Imported Upstream version 1.0.0upstream/1.0.0

197 files changed, 43210 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..c53df5fc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,56 @@
+.deps
+.libs
+
+*.o
+*.in
+*~
+
+Makefile
+aclocal.m4
+autom4te.cache
+compile
+config.guess
+config.h
+config.log
+config.status
+config.sub
+configure
+depcomp
+install-sh
+libtool
+ltmain.sh
+missing
+stamp-h1
+
+netdata
+apps.plugin
+netdata.spec
+
+*.tar.*
+
+.cproject
+.idea/
+.project
+CMakeLists.txt
+TODO.md
+asan_symbolize.py
+charts.d/bind.chart.sh
+conf.d/netdata.conf
+conf.d/netdata.conf.old
+isolate-0x1e0e170-v8.log
+lan-hosts.sh
+modp_numtoa.c
+plugins.d/apache_mod_status.plugin
+plugins.d/apps.plugin.old
+src/.cproject
+src/.project
+src/.settings/
+src/TODO.txt
+src/rrddim_file.c
+valgrind.log
+valgrind2.log
+web/chart-info/
+web/control.html
+web/datasource.css
+web/gadget.xml
+web/index_new.html
diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 00000000..24403486
--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,7 @@
+netdata (1.0.0) - 2016-03-22
+
+ - first public release
+
+netdata (1.0.0-rc.1) - 2015-11-28
+
+ - initial packaging
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 00000000..9666af97
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,140 @@
+# Netdata
+
+Copyright 2014-2016, Costa Tsaousis.
+Released under [GPL v3 or later](http://www.gnu.org/licenses/gpl-3.0.en.html).
+
+---
+
+## Re-distributed software
+
+Netdata re-distributes the following third party software.
+We decided to re-distribute all these, instead of using them
+through a CDN, to allow netdata work in cases where internet
+connectivity is not available.
+
+
+- [Dygraphs](http://dygraphs.com/)
+
+    Copyright 2009, Dan Vanderkam
+    [MIT License](http://dygraphs.com/legal.html)
+
+
+- [jQuery Sparklines](http://omnipotent.net/jquery.sparkline/)
+
+    Copyright 2009-2012, Splunk Inc.
+    [New BSD License](http://opensource.org/licenses/BSD-3-Clause)
+
+
+- [Peity](http://benpickles.github.io/peity/)
+
+    Copyright 2009-2015, Ben Pickles
+    [MIT License](https://github.com/benpickles/peity/blob/master/MIT-LICENCE)
+    
+
+- [Easy Pie Chart](https://rendro.github.io/easy-pie-chart/)
+
+    Copyright 2013, Robert Fleischmann
+    [MIT License](https://github.com/rendro/easy-pie-chart/blob/master/LICENSE)
+
+
+- [Guage.js](http://bernii.github.io/gauge.js/)
+
+    Copyright, Bernard Kobos
+    [MIT License](http://bernii.github.io/gauge.js/)
+
+
+- [jQuery](https://jquery.org/)
+
+    Copyright 2015, jQuery Foundation
+    [MIT License](https://jquery.org/license/)
+
+
+- [Bootstrap](http://getbootstrap.com/getting-started/)
+
+    Copyright 2015, Twitter
+    [MIT License](http://getbootstrap.com/getting-started/#license-faqs)
+
+
+- [NanoScroller](https://jamesflorentino.github.io/nanoScrollerJS/)
+
+    Copyright 2012, James Florentino
+    [MIT License](https://github.com/jamesflorentino/nanoScrollerJS/blob/master/LICENSE)
+
+
+- [Bootstrap Toggle](http://www.bootstraptoggle.com/)
+
+    Copyright (c) 2011-2014 Min Hur, The New York Times Company
+    [MIT License](https://github.com/minhur/bootstrap-toggle/blob/master/LICENSE)
+
+
+- [CSS Element Queries](https://github.com/marcj/css-element-queries)
+
+    Copyright Marc J. Schmidt
+    [MIT License](https://github.com/marcj/css-element-queries/blob/master/LICENSE)
+
+
+- [AVL C Library](http://freecode.com/projects/avl)
+
+    Copyright 2000, Daniel Nagy, Budapest University of Technology and Economics
+    Released under GNU General Public License (GPL) version 2
+
+
+- [FontAwesome](https://fortawesome.github.io/Font-Awesome/)
+
+    Created by Dave Gandy
+    Font license: [SIL OFL 1.1](http://scripts.sil.org/OFL)
+    CSS license: [MIT License](http://opensource.org/licenses/mit-license.html)
+
+
+- [IconsDB.com Icons](http://www.iconsdb.com/soylent-red-icons/seo-performance-icon.html)
+
+    Icons provided as CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
+
+
+- [morris.js](http://morrisjs.github.io/morris.js/)
+
+    Copyright 2013, Olly Smith
+    [Simplified BSD License](http://morrisjs.github.io/morris.js/)
+
+
+- [Raphaël](http://raphaeljs.com/)
+
+    Copyright 2008, Dmitry Baranovskiy
+    [MIT License](http://raphaeljs.com/license.html)
+    
+
+- [C3](http://c3js.org/)
+
+    Copyright 2013, Masayuki Tanaka
+    [MIT License](https://github.com/masayuki0812/c3/blob/master/LICENSE)
+    
+
+- [D3](http://d3js.org/)
+
+    Copyright 2015, Mike Bostock
+    [BSD License](http://opensource.org/licenses/BSD-3-Clause)
+    
+    
+- [node-extend](https://github.com/justmoon/node-extend)
+
+    Copyright 2014, Stefan Thomas
+    [MIT License](https://github.com/justmoon/node-extend/blob/master/LICENSE)
+    
+
+- [node-net-snmp](https://github.com/stephenwvickers/node-net-snmp)
+
+    Copyright 2013, Stephen Vickers
+    [MIT License](https://github.com/stephenwvickers/node-net-snmp)
+    
+
+- [node-asn1](https://github.com/mcavage/node-asn1)
+
+    Copyright 2011, Mark Cavage
+    [MIT License](https://github.com/mcavage/node-asn1)
+    
+
+- [pixl-xml](https://github.com/jhuckaby/pixl-xml)
+
+    Copyright 2015, Joseph Huckaby
+    [MIT License](https://github.com/jhuckaby/pixl-xml)
+    
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 00000000..72f0502c
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
+#
+AUTOMAKE_OPTIONS=foreign dist-bzip2 dist-xz 1.10
+ACLOCAL_AMFLAGS = -I m4
+
+MAINTAINERCLEANFILES= \
+	config.log config.status \
+	$(srcdir)/Makefile.in \
+	$(srcdir)/config.h.in $(srcdir)/config.h.in~ $(srcdir)/configure \
+	$(srcdir)/install-sh $(srcdir)/ltmain.sh $(srcdir)/missing \
+	$(srcdir)/compile $(srcdir)/depcomp $(srcdir)/aclocal.m4 \
+	$(srcdir)/config.guess $(srcdir)/config.sub \
+	$(srcdir)/m4/ltsugar.m4 $(srcdir)/m4/libtool.m4 \
+	$(srcdir)/m4/ltversion.m4 $(srcdir)/m4/lt~obsolete.m4 \
+	$(srcdir)/m4/ltoptions.m4 \
+	$(srcdir)/pkcs11-helper.spec $(srcdir)/config-w32-vc.h
+
+EXTRA_DIST = \
+	.gitignore \
+	autogen.sh \
+	README.md \
+	LICENSE.md \
+	autogen.sh \
+	netdata-9999.ebuild \
+	tests/stress.sh \
+	system/netdata-openrc \
+	system/netdata-systemd \
+	$(NULL)
+
+SUBDIRS = \
+	charts.d \
+	node.d \
+	conf.d \
+	plugins.d \
+	src \
+	web \
+	$(NULL)
+
+dist_noinst_DATA = netdata.spec
+
+# until integrated within build
+# should be proper init.d/openrc/systemd usable
+dist_noinst_SCRIPTS = netdata-installer.sh
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
@@ -0,0 +1,20 @@
+netdata
+=======
+
+**Real-time performance monitoring, in the greatest possible detail**!
+
+**netdata** tries to visualize the **truth of now**, in its **greatest detail**, so that you can get insights of what is happening now and what just happened, on your systems and applications.
+
+Read more at the **[netdata wiki](https://github.com/firehol/netdata/wiki)**.
+
+---
+
+# Features
+
+Check wiki page **[Why netdata?](https://github.com/firehol/netdata/wiki/Why-netdata%3F)**.
+
+---
+
+# Installation
+
+Check the **[Installation Wiki Page](https://github.com/firehol/netdata/wiki/Installation)**.
diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 00000000..3b076d1a
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+autoreconf -ivf
diff --git a/charts.d/Makefile.am b/charts.d/Makefile.am
new file mode 100644
index 00000000..6c33ed24
--- /dev/null
+++ b/charts.d/Makefile.am
@@ -0,0 +1,24 @@
+#
+# Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
+#
+MAINTAINERCLEANFILES= $(srcdir)/Makefile.in
+
+dist_charts_SCRIPTS = \
+	README.md \
+	airsearches.chart.sh \
+	ap.chart.sh \
+	apache.chart.sh \
+	cpu_apps.chart.sh \
+	cpufreq.chart.sh \
+	crsproxy.chart.sh \
+	example.chart.sh \
+	load_average.chart.sh \
+	mem_apps.chart.sh \
+	mysql.chart.sh \
+	nginx.chart.sh \
+	nut.chart.sh \
+	opensips.chart.sh \
+	postfix.chart.sh \
+	sensors.chart.sh \
+	squid.chart.sh \
+	$(NULL)
diff --git a/charts.d/README.md b/charts.d/README.md
new file mode 100644
index 00000000..fd66c0d6
--- /dev/null
+++ b/charts.d/README.md
@@ -0,0 +1,271 @@
+The following charts.d plugins are supported:
+
+# mysql
+
+The plugin will monitor one or more mysql servers
+
+It will produce the following charts:
+
+1. **Bandwidth** in kbps
+ * in
+ * out
+
+2. **Queries** in queries/sec
+ * queries
+ * questions
+ * slow queries
+
+3. **Operations** in operations/sec
+ * opened tables
+ * flush
+ * commit
+ * delete
+ * prepare
+ * read first
+ * read key
+ * read next
+ * read prev
+ * read random
+ * read random next
+ * rollback
+ * save point
+ * update
+ * write
+
+4. **Table Locks** in locks/sec
+ * immediate
+ * waited
+
+5. **Select Issues** in issues/sec
+ * full join
+ * full range join
+ * range
+ * range check
+ * scan
+
+6. **Sort Issues** in issues/sec
+ * merge passes
+ * range
+ * scan
+
+### configuration
+
+You can configure many database servers, like this:
+
+You can provide, per server, the following:
+
+1. a name, anything you like, but keep it short
+2. the mysql command to connect to the server
+3. the mysql command line options to be used for connecting to the server
+
+Here is an example for 2 servers:
+
+```sh
+mysql_opts[server1]="-h server1.example.com"
+mysql_opts[server2]="-h server2.example.com --connect_timeout 2"
+```
+
+The above will use the `mysql` command found in the system path.
+You can also provide a custom mysql command per server, like this:
+
+```sh
+mysql_cmds[server2]="/opt/mysql/bin/mysql"
+```
+
+The above sets the mysql command only for server2. server1 will use the system default.
+
+If no configuration is given, the plugin will attempt to connect to mysql server at localhost.
+
+---
+
+# squid
+
+The plugin will monitor a squid server.
+
+It will produce 4 charts:
+
+1. **Squid Client Bandwidth** in kbps
+
+ * in
+ * out
+ * hits
+
+2. **Squid Client Requests** in requests/sec
+
+ * requests
+ * hits
+ * errors
+
+3. **Squid Server Bandwidth** in kbps
+
+ * in
+ * out
+
+4. **Squid Server Requests** in requests/sec
+
+ * requests
+ * errors
+
+### autoconfig
+
+The plugin will by itself detect squid servers running on
+localhost, on ports 3128 or 8080.
+
+It will attempt to download URLs in the form:
+
+- `cache_object://HOST:PORT/counters`
+- `/squid-internal-mgr/counters`
+
+If any succeeds, it will use this.
+
+### configuration
+
+If you need to configure it by hand, create the file
+`/etc/netdata/squid.conf` with the following variables:
+
+- `squid_host=IP` the IP of the squid host
+- `squid_port=PORT` the port the squid is listening
+- `squid_url="URL"` the URL with the statistics to be fetched from squid
+- `squid_timeout=SECONDS` how much time we should wait for squid to respond
+- `squid_update_every=SECONDS` the frequency of the data collection
+
+Example `/etc/netdata/squid.conf`:
+
+```sh
+squid_host=127.0.0.1
+squid_port=3128
+squid_url="cache_object://127.0.0.1:3128/counters"
+squid_timeout=2
+squid_update_every=5
+```
+
+---
+
+# sensors
+
+The plugin will provide charts for all configured system sensors
+
+> This plugin is reading sensors directly from the kernel.
+> The `lm-sensors` package is able to perform calculations on the
+> kernel provided values, this plugin will not perform.
+> So, the values graphed, are the raw hardware values of the sensors.
+
+The plugin will create netdata charts for:
+
+1. **Temperature**
+2. **Voltage**
+3. **Current**
+4. **Power**
+5. **Fans Speed**
+6. **Energy**
+7. **Humidity**
+
+One chart for every sensor chip found and each of the above will be created.
+
+### configuration
+
+This is the internal default for `/etc/netdata/sensors.conf`
+
+```sh
+# the directory the kernel keeps sensor data
+sensors_sys_dir="${NETDATA_HOST_PREFIX}/sys/devices"
+
+# how deep in the tree to check for sensor data
+sensors_sys_depth=10
+
+# if set to 1, the script will overwrite internal
+# script functions with code generated ones
+# leave to 1, is faster
+sensors_source_update=1
+
+# how frequently to collect sensor data
+# the default is to collect it at every iteration of charts.d
+sensors_update_every=
+```
+
+---
+
+# postfix
+
+The plugin will collect the postfix queue size.
+
+It will create two charts:
+
+1. **queue size in emails**
+2. **queue size in KB**
+
+### configuration
+
+This is the internal default for `/etc/netdata/postfix.conf`
+
+```sh
+# the postqueue command
+# if empty, it will use the one found in the system path
+postfix_postqueue=
+
+# how frequently to collect queue size
+postfix_update_every=15
+```
+
+---
+
+# nut
+
+The plugin will collect UPS data for all UPSes configured in the system.
+
+The following charts will be created:
+
+1. **UPS Charge**
+
+ * percentage changed
+
+2. **UPS Battery Voltage**
+
+ * current voltage
+ * high voltage
+ * low voltage
+ * nominal voltage
+
+3. **UPS Input Voltage**
+
+ * current voltage
+ * fault voltage
+ * nominal voltage
+
+4. **UPS Input Current**
+
+ * nominal current
+
+5. **UPS Input Frequency**
+
+ * current frequency
+ * nominal frequency
+
+6. **UPS Output Voltage**
+
+ * current voltage
+
+7. **UPS Load**
+
+ * current load
+
+8. **UPS Temperature**
+
+ * current temperature
+
+
+### configuration
+
+This is the internal default for `/etc/netdata/nut.conf`
+
+```sh
+# a space separated list of UPS names
+# if empty, the list returned by 'upsc -l' will be used
+nut_ups=
+
+# how frequently to collect UPS data
+nut_update_every=2
+```
+
+---
+
diff --git a/charts.d/airsearches.chart.sh b/charts.d/airsearches.chart.sh
new file mode 100755
index 00000000..449b1425
--- /dev/null
+++ b/charts.d/airsearches.chart.sh
@@ -0,0 +1,91 @@
+#!/bin/sh
+
+airsearches_url=
+airsearches_cmds=
+airsearches_update_every=15
+
+airsearches_get() {
+	wget 2>/dev/null -O - "$airsearches_url" |\
+		sed -e "s|<br />|\n|g" -e "s|: |=|g" -e "s| \+|_|g" -e "s/^/airsearches_/g" |\
+		tr "[A-Z]\.\!@#\$%^&*()_+\-" "[a-z]_____________" |\
+		egrep "^airsearches_[a-z0-9_]+=[0-9]+$"
+}
+
+airsearches_check() {
+	# make sure we have all the commands we need
+	require_cmd wget || return 1
+
+	# make sure we are configured
+	if [ -z "$airsearches_url" ]
+		then
+		echo >&2 "$PROGRAM_NAME: airsearches: not configured. Please set airsearches_url='url' in $confd/airsearches.conf"
+		return 1
+	fi
+
+	# check once if the url works
+	wget 2>/dev/null -O /dev/null "$airsearches_url"
+	if [ ! $? -eq 0 ]
+	then
+		echo >&2 "$PROGRAM_NAME: airsearches: cannot fetch the url: $airsearches_url. Please set airsearches_url='url' in $confd/airsearches.conf"
+		return 1
+	fi
+
+	# if the admin did not give any commands
+	# find the available ones
+	if [ -z "$airsearches_cmds" ]
+	then
+		airsearches_cmds="$(airsearches_get | cut -d '=' -f 1 | sed "s/^airsearches_//g" | sort -u)"
+		echo
+	fi
+
+	# did we find any commands?
+	if [ -z "$airsearches_cmds" ]
+	then
+		echo >&2 "$PROGRAM_NAME: airsearches: cannot find command list automatically. Please set airsearches_cmds='...' in $confd/airsearches.conf"
+		return 1
+	fi
+
+	# ok we can do it
+	return 0
+}
+
+airsearches_create() {
+	[ -z "$airsearches_cmds" ] && return 1
+
+	# create the charts
+	local x=
+	echo "CHART airsearches.affiliates '' 'Air Searches per affiliate' 'requests / min' airsearches '' stacked 20000 $airsearches_update_every"
+	for x in $airsearches_cmds
+	do
+		echo "DIMENSION $x '' incremental 60 1"
+	done
+
+	return 0
+}
+
+airsearches_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	# get the values from airsearches
+	eval "$(airsearches_get)"
+
+	# write the result of the work.
+	local x=
+
+	echo "BEGIN airsearches.affiliates $1"
+	for x in $airsearches_cmds
+	do
+		eval "v=\$airsearches_$x"
+		echo "SET $x = $v"
+	done
+	echo "END"
+
+	airsearches_dt=0
+
+	return 0
+}
diff --git a/charts.d/ap.chart.sh b/charts.d/ap.chart.sh
new file mode 100755
index 00000000..4704b89d
--- /dev/null
+++ b/charts.d/ap.chart.sh
@@ -0,0 +1,160 @@
+#!/bin/sh
+
+# _update_every is a special variable - it holds the number of seconds
+# between the calls of the _update() function
+ap_update_every=
+ap_priority=6900
+
+declare -A ap_devs=()
+
+export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
+
+# _check is called once, to find out if this chart should be enabled or not
+ap_check() {
+	local ev=$(iw dev | awk '
+		BEGIN {
+			i = "";
+			ssid = "";
+			ap = 0;
+		}
+		/^[ \t]+Interface / {
+			if( ap == 1 ) {
+				print "ap_devs[" i "]=\"" ssid "\""
+			}
+
+			i = $2;
+			ssid = "";
+			ap = 0;
+		}
+		/^[ \t]+ssid / { ssid = $2; }
+		/^[ \t]+type AP$/ { ap = 1; }
+		END {
+			if( ap == 1 ) {
+				print "ap_devs[" i "]=\"" ssid "\""
+			}
+		}
+	')
+	eval "${ev}"
+
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	[ ${#ap_devs[@]} -gt 0 ] && return 0
+	return 1
+}
+
+# _create is called once, to create the charts
+ap_create() {
+	local ssid dev
+
+	for dev in "${!ap_devs[@]}"
+	do
+		ssid="${ap_devs[${dev}]}"
+
+		# create the chart with 3 dimensions
+		cat <<EOF
+CHART ap_clients.${dev} '' "Connected clients to ${ssid} on ${dev}" "clients" ${dev} ap.clients line $[ap_priority + 1] $ap_update_every
+DIMENSION clients '' absolute 1 1
+
+CHART ap_bandwidth.${dev} '' "Bandwidth for ${ssid} on ${dev}" "kilobits/s" ${dev} ap.net area $[ap_priority + 2] $ap_update_every
+DIMENSION received '' incremental 8 1024
+DIMENSION sent '' incremental -8 1024
+
+CHART ap_packets.${dev} '' "Packets for ${ssid} on ${dev}" "packets/s" ${dev} ap.packets line $[ap_priority + 3] $ap_update_every
+DIMENSION received '' incremental 1 1
+DIMENSION sent '' incremental -1 1
+
+CHART ap_issues.${dev} '' "Transmit Issues for ${ssid} on ${dev}" "issues/s" ${dev} ap.issues line $[ap_priority + 4] $ap_update_every
+DIMENSION retries 'tx retries' incremental 1 1
+DIMENSION failures 'tx failures' incremental -1 1
+
+CHART ap_signal.${dev} '' "Average Signal for ${ssid} on ${dev}" "dBm" ${dev} ap.signal line $[ap_priority + 5] $ap_update_every
+DIMENSION signal 'average signal' absolute 1 1
+
+CHART ap_bitrate.${dev} '' "Bitrate for ${ssid} on ${dev}" "Mbps" ${dev} ap.bitrate line $[ap_priority + 6] $ap_update_every
+DIMENSION receive '' absolute 1 1000
+DIMENSION transmit '' absolute -1 1000
+DIMENSION expected 'expected throughput' absolute 1 1000
+EOF
+
+	done
+
+	return 0
+}
+
+# _update is called continiously, to collect the values
+ap_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	for dev in "${!ap_devs[@]}"
+	do
+		iw ${dev} station dump |\
+			awk "
+				BEGIN {
+					c = 0;
+					rb = 0;
+					tb = 0;
+					rp = 0;
+					tp = 0;
+					tr = 0;
+					tf = 0;
+					tt = 0;
+					rt = 0;
+					s = 0;
+					g = 0;
+					e = 0;
+				}
+				/^Station/           { c++; }
+				/^[ \\t]+rx bytes:/   { rb += \$3 }
+				/^[ \\t]+tx bytes:/   { tb += \$3 }
+				/^[ \\t]+rx packets:/ { rp += \$3 }
+				/^[ \\t]+tx packets:/ { tp += \$3 }
+				/^[ \\t]+tx retries:/ { tr += \$3 }
+				/^[ \\t]+tx failed:/  { tf += \$3 }
+				/^[ \\t]+signal:/     { s  += \$2; }
+				/^[ \\t]+rx bitrate:/ { x = \$3; rt += x * 1000; }
+				/^[ \\t]+tx bitrate:/ { x = \$3; tt += x * 1000; }
+				/^[ \\t]+expected throughput:(.*)Mbps/ {
+					x=\$3;
+					sub(/Mbps/, \"\", x);
+					e += x * 1000;
+				}
+				END {
+					print \"BEGIN ap_clients.${dev}\"
+					print \"SET clients = \" c;
+					print \"END\"
+					print \"BEGIN ap_bandwidth.${dev}\"
+					print \"SET received = \" rb;
+					print \"SET sent = \" tb;
+					print \"END\"
+					print \"BEGIN ap_packets.${dev}\"
+					print \"SET received = \" rp;
+					print \"SET sent = \" tp;
+					print \"END\"
+					print \"BEGIN ap_issues.${dev}\"
+					print \"SET retries = \" tr;
+					print \"SET failures = \" tf;
+					print \"END\"
+					print \"BEGIN ap_signal.${dev}\"
+					print \"SET signal = \" s / c;
+					print \"END\"
+
+					if( c == 0 ) c = 1;
+					print \"BEGIN ap_bitrate.${dev}\"
+					print \"SET receive = \" rt / c;
+					print \"SET transmit = \" tt / c;
+					print \"SET expected = \" e / c;
+					print \"END\"
+				}
+				"
+	done
+
+	return 0
+}
+
diff --git a/charts.d/apache.chart.sh b/charts.d/apache.chart.sh
new file mode 100755
index 00000000..efa559dd
--- /dev/null
+++ b/charts.d/apache.chart.sh
@@ -0,0 +1,250 @@
+#!/bin/sh
+
+# the URL to download apache status info
+apache_url="http://127.0.0.1:80/server-status?auto"
+
+# _update_every is a special variable - it holds the number of seconds
+# between the calls of the _update() function
+apache_update_every=
+
+apache_priority=60000
+
+# convert apache floating point values
+# to integer using this multiplier
+# this only affects precision - the values
+# will be in the proper units
+apache_decimal_detail=1000000
+
+declare -a apache_response=()
+apache_accesses=0
+apache_kbytes=0
+apache_reqpersec=0
+apache_bytespersec=0
+apache_bytesperreq=0
+apache_busyworkers=0
+apache_idleworkers=0
+apache_connstotal=0
+apache_connsasyncwriting=0
+apache_connsasynckeepalive=0
+apache_connsasyncclosing=0
+
+apache_keys_detected=0
+apache_has_conns=0
+apache_key_accesses=
+apache_key_kbytes=
+apache_key_reqpersec=
+apache_key_bytespersec=
+apache_key_bytesperreq=
+apache_key_busyworkers=
+apache_key_idleworkers=
+apache_key_scoreboard=
+apache_key_connstotal=
+apache_key_connsasyncwriting=
+apache_key_connsasynckeepalive=
+apache_key_connsasyncclosing=
+apache_detect() {
+	local i=0
+	for x in "${@}"
+	do
+		case "${x}" in
+			'Total Accesses') 		apache_key_accesses=$[i + 1] ;;
+			'Total kBytes') 		apache_key_kbytes=$[i + 1] ;;
+			'ReqPerSec') 			apache_key_reqpersec=$[i + 1] ;;
+			'BytesPerSec')			apache_key_bytespersec=$[i + 1] ;;
+			'BytesPerReq')			apache_key_bytesperreq=$[i + 1] ;;
+			'BusyWorkers')			apache_key_busyworkers=$[i + 1] ;;
+			'IdleWorkers')			apache_key_idleworkers=$[i + 1];;
+			'ConnsTotal')			apache_key_connstotal=$[i + 1] ;;
+			'ConnsAsyncWriting')	apache_key_connsasyncwriting=$[i + 1] ;;
+			'ConnsAsyncKeepAlive')	apache_key_connsasynckeepalive=$[i + 1] ;;
+			'ConnsAsyncClosing')	apache_key_connsasyncclosing=$[i + 1] ;;
+			'Scoreboard')			apache_key_scoreboard=$[i] ;;
+		esac
+
+		i=$[i + 1]
+	done
+
+	# we will not check of the Conns*
+	# keys, since these are apache 2.4 specific
+	if [ -z "${apache_key_accesses}" \
+		-o -z "${apache_key_kbytes}" \
+		-o -z "${apache_key_reqpersec}" \
+		-o -z "${apache_key_bytespersec}" \
+		-o -z "${apache_key_bytesperreq}" \
+		-o -z "${apache_key_busyworkers}" \
+		-o -z "${apache_key_idleworkers}" \
+		-o -z "${apache_key_scoreboard}" \
+		]
+		then
+		echo >&2 "apache: Invalid response or missing keys from apache server: ${*}"
+		return 1
+	fi
+
+	if [ ! -z "${apache_key_connstotal}" \
+		-a ! -z "${apache_key_connsasyncwriting}" \
+		-a ! -z "${apache_key_connsasynckeepalive}" \
+		-a ! -z "${apache_key_connsasyncclosing}" \
+		]
+		then
+		apache_has_conns=1
+	fi
+
+	return 0
+}
+
+apache_get() {
+	local oIFS="${IFS}" ret
+	IFS=$':\n' apache_response=($(curl -s "${apache_url}"))
+	ret=$?
+	IFS="${oIFS}"
+
+	[ $ret -ne 0 -o "${#apache_response[@]}" -eq 0 ] && return 1
+
+	# the last line on the apache output is "Scoreboard"
+	# we use this label to detect that the output has a new word count
+	if [ ${apache_keys_detected} -eq 0 -o "${apache_response[${apache_key_scoreboard}]}" != "Scoreboard" ]
+		then
+		apache_detect "${apache_response[@]}" || return 1
+		apache_keys_detected=1
+	fi
+
+	apache_accesses="${apache_response[${apache_key_accesses}]}"
+	apache_kbytes="${apache_response[${apache_key_kbytes}]}"
+	
+	float2int "${apache_response[${apache_key_reqpersec}]}" ${apache_decimal_detail}
+	apache_reqpersec=${FLOAT2INT_RESULT}
+
+	float2int "${apache_response[${apache_key_bytespersec}]}" ${apache_decimal_detail}
+	apache_bytespersec=${FLOAT2INT_RESULT}
+
+	float2int "${apache_response[${apache_key_bytesperreq}]}" ${apache_decimal_detail}
+	apache_bytesperreq=${FLOAT2INT_RESULT}
+
+	apache_busyworkers="${apache_response[${apache_key_busyworkers}]}"
+	apache_idleworkers="${apache_response[${apache_key_idleworkers}]}"
+
+	if [ -z "${apache_accesses}" \
+		-o -z "${apache_kbytes}" \
+		-o -z "${apache_reqpersec}" \
+		-o -z "${apache_bytespersec}" \
+		-o -z "${apache_bytesperreq}" \
+		-o -z "${apache_busyworkers}" \
+		-o -z "${apache_idleworkers}" \
+		]
+		then
+		echo >&2 "apache: empty values got from apache server: ${apache_response[*]}"
+		return 1
+	fi
+
+	if [ ${apache_has_conns} -eq 1 ]
+		then
+		apache_connstotal="${apache_response[${apache_key_connstotal}]}"
+		apache_connsasyncwriting="${apache_response[${apache_key_connsasyncwriting}]}"
+		apache_connsasynckeepalive="${apache_response[${apache_key_connsasynckeepalive}]}"
+		apache_connsasyncclosing="${apache_response[${apache_key_connsasyncclosing}]}"
+	fi
+
+	return 0
+}
+
+# _check is called once, to find out if this chart should be enabled or not
+apache_check() {
+
+	apache_get
+	if [ $? -ne 0 ]
+		then
+		echo >&2 "apache: cannot find stub_status on URL '${apache_url}'. Please set apache_url='http://apache.server:80/server-status?auto' in $confd/apache.conf"
+		return 1
+	fi
+
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	return 0
+}
+
+# _create is called once, to create the charts
+apache_create() {
+	cat <<EOF
+CHART apache.bytesperreq '' "apache Lifetime Avg. Response Size" "bytes/request" statistics apache.bytesperreq area $[apache_priority + 8] $apache_update_every
+DIMENSION size '' absolute 1 ${apache_decimal_detail}
+CHART apache.workers '' "apache Workers" "workers" workers apache.workers stacked $[apache_priority + 5] $apache_update_every
+DIMENSION idle '' absolute 1 1
+DIMENSION busy '' absolute 1 1
+CHART apache.reqpersec '' "apache Lifetime Avg. Requests/s" "requests/s" statistics apache.reqpersec line $[apache_priority + 6] $apache_update_every
+DIMENSION requests '' absolute 1 ${apache_decimal_detail}
+CHART apache.bytespersec '' "apache Lifetime Avg. Bandwidth/s" "kilobits/s" statistics apache.bytespersec area $[apache_priority + 7] $apache_update_every
+DIMENSION sent '' absolute 8 $[apache_decimal_detail * 1000]
+CHART apache.requests '' "apache Requests" "requests/s" requests apache.requests line $[apache_priority + 1] $apache_update_every
+DIMENSION requests '' incremental 1 1
+CHART apache.net '' "apache Bandwidth" "kilobits/s" bandwidth apache.net area $[apache_priority + 3] $apache_update_every
+DIMENSION sent '' incremental 8 1
+EOF
+
+	if [ ${apache_has_conns} -eq 1 ]
+		then
+		cat <<EOF2
+CHART apache.connections '' "apache Connections" "connections" connections apache.connections line $[apache_priority + 2] $apache_update_every
+DIMENSION connections '' absolute 1 1
+CHART apache.conns_async '' "apache Async Connections" "connections" connections apache.conns_async stacked $[apache_priority + 4] $apache_update_every
+DIMENSION keepalive '' absolute 1 1
+DIMENSION closing '' absolute 1 1
+DIMENSION writing '' absolute 1 1
+EOF2
+	fi
+
+	return 0
+}
+
+# _update is called continiously, to collect the values
+apache_update() {
+	local reqs net
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	apache_get || return 1
+
+	# write the result of the work.
+	cat <<VALUESEOF
+BEGIN apache.requests $1
+SET requests = $[apache_accesses]
+END
+BEGIN apache.net $1
+SET sent = $[apache_kbytes]
+END
+BEGIN apache.reqpersec $1
+SET requests = $[apache_reqpersec]
+END
+BEGIN apache.bytespersec $1
+SET sent = $[apache_bytespersec]
+END
+BEGIN apache.bytesperreq $1
+SET size = $[apache_bytesperreq]
+END
+BEGIN apache.workers $1
+SET idle = $[apache_idleworkers]
+SET busy = $[apache_busyworkers]
+END
+VALUESEOF
+
+	if [ ${apache_has_conns} -eq 1 ]
+		then
+	cat <<VALUESEOF2
+BEGIN apache.connections $1
+SET connections = $[apache_connstotal]
+END
+BEGIN apache.conns_async $1
+SET keepalive = $[apache_connsasynckeepalive]
+SET closing = $[apache_connsasyncwriting]
+SET writing = $[apache_connsasyncwriting]
+END
+VALUESEOF2
+	fi
+
+	return 0
+}
diff --git a/charts.d/cpu_apps.chart.sh b/charts.d/cpu_apps.chart.sh
new file mode 100755
index 00000000..5a25163e
--- /dev/null
+++ b/charts.d/cpu_apps.chart.sh
@@ -0,0 +1,66 @@
+#!/bin/sh
+
+# THIS PLUGIN IS OBSOLETE
+# USE apps.plugin INSTEAD
+
+# a space separated list of command to monitor
+cpu_apps_apps=
+
+# these are required for computing memory in bytes and cpu in seconds
+#cpu_apps_pagesize="`getconf PAGESIZE`"
+cpu_apps_clockticks="$(getconf CLK_TCK)"
+
+cpu_apps_update_every=60
+
+cpu_apps_check() {
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	if [ -z "$cpu_apps_apps" ]
+	then
+		echo >&2 "$PROGRAM_NAME: cpu_apps: Please set cpu_apps_apps='command1 command2 ...' in $confd/cpu_apps_apps.conf"
+		return 1
+	fi
+	return 0
+}
+
+cpu_apps_bc_finalze=
+
+cpu_apps_create() {
+
+	echo "CHART chartsd_apps.cpu '' 'Apps CPU' 'milliseconds / $cpu_apps_update_every sec' apps apps stacked 20001 $cpu_apps_update_every"
+
+	local x=
+	for x in $cpu_apps_apps
+	do
+		echo "DIMENSION $x $x incremental 1000 $cpu_apps_clockticks"
+
+		# this string is needed later in the update() function
+		# to finalize the instructions for the bc command
+		cpu_apps_bc_finalze="$cpu_apps_bc_finalze \"SET $x = \"; $x;"
+	done
+	return 0
+}
+
+cpu_apps_update() {
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	echo "BEGIN chartsd_apps.cpu"
+	ps -o pid,comm -C "$cpu_apps_apps" |\
+		grep -v "COMMAND" |\
+		(
+			while read pid name
+			do
+				echo "$name+=`cat /proc/$pid/stat | cut -d ' ' -f 14-15`"
+			done
+		) |\
+		(	sed -e "s/ \+/ /g" -e "s/ /+/g";
+			echo "$cpu_apps_bc_finalze"
+		) | bc
+	echo "END"
+
+	return 0
+}
diff --git a/charts.d/cpufreq.chart.sh b/charts.d/cpufreq.chart.sh
new file mode 100755
index 00000000..6a968237
--- /dev/null
+++ b/charts.d/cpufreq.chart.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+# if this chart is called X.chart.sh, then all functions and global variables
+# must start with X_
+
+cpufreq_sys_dir="/sys/devices"
+cpufreq_sys_depth=10
+cpufreq_source_update=1
+
+# _update_every is a special variable - it holds the number of seconds
+# between the calls of the _update() function
+cpufreq_update_every=
+cpufreq_priority=10000
+
+cpufreq_find_all_files() {
+	find $1 -maxdepth $cpufreq_sys_depth -name scaling_cur_freq 2>/dev/null
+}
+
+# _check is called once, to find out if this chart should be enabled or not
+cpufreq_check() {
+
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	[ -z "$( cpufreq_find_all_files $cpufreq_sys_dir )" ] && return 1
+	return 0
+}
+
+# _create is called once, to create the charts
+cpufreq_create() {
+	local dir= file= id= i=
+
+	# we create a script with the source of the
+	# cpufreq_update() function
+	# - the highest speed we can achieve -
+	[ $cpufreq_source_update -eq 1 ] && echo >$TMP_DIR/cpufreq.sh "cpufreq_update() {"
+
+	echo "CHART cpu.cpufreq '' 'CPU Clock' 'MHz' 'cpufreq' '' line $[cpufreq_priority + 1] $cpufreq_update_every"
+	echo >>$TMP_DIR/cpufreq.sh "echo \"BEGIN cpu.cpufreq \$1\""
+
+	i=0
+	for file in $( cpufreq_find_all_files $cpufreq_sys_dir | sort -u )
+	do
+		i=$(( i + 1 ))
+		dir=$( dirname $file )
+		cpu=
+
+		[ -f $dir/affected_cpus ] && cpu=$( cat $dir/affected_cpus )
+		[ -z "$cpu" ] && cpu="$i.a"
+
+		id="$( fixid "cpu$cpu" )"
+
+		echo >&2 "charts.d: cpufreq: on file='$file', dir='$dir', cpu='$cpu', id='$id'"
+
+		echo "DIMENSION $id '$id' absolute 1 1000"
+		echo >>$TMP_DIR/cpufreq.sh "printf \"SET $id = \"; cat $file "
+	done
+	echo >>$TMP_DIR/cpufreq.sh "echo END"
+
+	[ $cpufreq_source_update -eq 1 ] && echo >>$TMP_DIR/cpufreq.sh "}"
+	# cat >&2 $TMP_DIR/cpufreq.sh
+
+	# ok, load the function cpufreq_update() we created
+	[ $cpufreq_source_update -eq 1 ] && . $TMP_DIR/cpufreq.sh
+
+	return 0
+}
+
+# _update is called continiously, to collect the values
+cpufreq_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	[ $cpufreq_source_update -eq 0 ] && . $TMP_DIR/cpufreq.sh $1
+
+	return 0
+}
+
diff --git a/charts.d/crsproxy.chart.sh b/charts.d/crsproxy.chart.sh
new file mode 100755
index 00000000..fc5358b4
--- /dev/null
+++ b/charts.d/crsproxy.chart.sh
@@ -0,0 +1,148 @@
+#!/bin/sh
+
+crsproxy_url=
+crsproxy_cmds=
+crsproxy_update_every=15
+
+crsproxy_get() {
+	wget 2>/dev/null -O - "$crsproxy_url" |\
+		sed \
+			-e "s/ \+/ /g" \
+			-e "s/\./_/g" \
+			-e "s/ =/=/g" \
+			-e "s/= /=/g" \
+			-e "s/^/crsproxy_/g" |\
+		egrep "^crsproxy_[a-zA-Z][a-zA-Z0-9_]*=[0-9]+$"
+}
+
+crsproxy_check() {
+	if [ -z "$crsproxy_url" ]
+		then
+		echo >&2 "$PROGRAM_NAME: crsproxy: not configured. Please set crsproxy_url='url' in $confd/crsproxy.conf"
+		return 1
+	fi
+
+	# check once if the url works
+	wget 2>/dev/null -O /dev/null "$crsproxy_url"
+	if [ ! $? -eq 0 ]
+	then
+		echo >&2 "$PROGRAM_NAME: crsproxy: cannot fetch the url: $crsproxy_url. Please set crsproxy_url='url' in $confd/crsproxy.conf"
+		return 1
+	fi
+
+	# if the user did not request specific commands
+	# find the commands available
+	if [ -z "$crsproxy_cmds" ]
+	then
+		crsproxy_cmds="$(crsproxy_get | cut -d '=' -f 1 | sed "s/^crsproxy_cmd_//g" | sort -u)"
+	fi
+
+	# if no commands are available
+	if [ -z "$crsproxy_cmds" ]
+	then
+		echo >&2 "$PROGRAM_NAME: crsproxy: cannot find command list automatically. Please set crsproxy_cmds='...' in $confd/crsproxy.conf"
+		return 1
+	fi
+	return 0
+}
+
+crsproxy_create() {
+	# create the charts
+	cat <<EOF
+CHART crsproxy.connected '' "CRS Proxy Connected Clients" "clients" crsproxy '' line 20000 $crsproxy_update_every
+DIMENSION web '' absolute 1 1
+DIMENSION native '' absolute 1 1
+DIMENSION virtual '' absolute 1 1
+CHART crsproxy.requests '' "CRS Proxy Requests Rate" "requests / min" crsproxy '' area 20001 $crsproxy_update_every
+DIMENSION web '' incremental 60 1
+DIMENSION native '' incremental -60 1
+CHART crsproxy.clients '' "CRS Proxy Clients Rate" "clients / min" crsproxy '' area 20010 $crsproxy_update_every
+DIMENSION web '' incremental 60 1
+DIMENSION native '' incremental -60 1
+DIMENSION virtual '' incremental 60 1
+CHART crsproxy.replies '' "CRS Replies Rate" "replies / min" crsproxy '' area 20020 $crsproxy_update_every
+DIMENSION ok '' incremental 60 1
+DIMENSION failed '' incremental -60 1
+CHART crsproxy.bconnections '' "Back-End Connections Rate" "connections / min" crsproxy '' area 20030 $crsproxy_update_every
+DIMENSION ok '' incremental 60 1
+DIMENSION failed '' incremental -60 1
+EOF
+
+	local x=
+	echo "CHART crsproxy.commands '' 'CRS Commands Requests' 'requests / min' crsproxy '' stacked 20100 $crsproxy_update_every"
+	for x in $crsproxy_cmds
+	do
+		echo "DIMENSION $x '' incremental 60 $crsproxy_update_every"
+	done
+
+	echo "CHART crsproxy.commands_failed '' 'CRS Failed Commands' 'replies / min' crsproxy '' stacked 20110 $crsproxy_update_every"
+	for x in $crsproxy_cmds
+	do
+		echo "DIMENSION $x '' incremental 60 $crsproxy_update_every"
+	done
+
+	return 0
+}
+
+
+crsproxy_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	# get the values from crsproxy
+	eval "$(crsproxy_get)"
+
+
+	# write the result of the work.
+	cat <<VALUESEOF
+BEGIN crsproxy.connected $1
+SET web = $((crsproxy_web_clients_opened - crsproxy_web_clients_closed))
+SET native = $((crsproxy_crs_clients_opened - crsproxy_crs_clients_closed))
+SET virtual = $((crsproxy_virtual_clients_opened - crsproxy_virtual_clients_closed))
+END
+BEGIN crsproxy.requests $1
+SET web = $crsproxy_web_requests
+SET native = $crsproxy_native_requests
+END
+BEGIN crsproxy.clients $1
+SET web = $crsproxy_web_clients_opened
+SET native = $crsproxy_crs_clients_opened
+SET virtual = $crsproxy_virtual_clients_opened
+END
+BEGIN crsproxy.replies $1
+SET ok = $crsproxy_replies_success
+SET failed = $crsproxy_replies_error
+END
+BEGIN crsproxy.bconnections $1
+SET ok = $crsproxy_connections_nonblocking_established
+SET failed = $crsproxy_connections_nonblocking_failed
+END
+VALUESEOF
+
+	local native_requests="_native_requests"
+	local web_requests="_web_requests"
+	local replies_error="_replies_error"
+	local x=
+
+	echo "BEGIN crsproxy.commands $1"
+	for x in $crsproxy_cmds
+	do
+		eval "v=\$(( crsproxy_cmd_$x$native_requests + crsproxy_cmd_$x$web_requests ))"
+		echo "SET $x = $v"
+	done
+	echo "END"
+
+	echo "BEGIN crsproxy.commands_failed $1"
+	for x in $crsproxy_cmds
+	do
+		eval "v=\$crsproxy_cmd_$x$replies_error"
+		echo "SET $x = $v"
+	done
+	echo "END"
+
+	return 0
+}
diff --git a/charts.d/example.chart.sh b/charts.d/example.chart.sh
new file mode 100755
index 00000000..641d03e5
--- /dev/null
+++ b/charts.d/example.chart.sh
@@ -0,0 +1,82 @@
+#!/bin/sh
+
+# if this chart is called X.chart.sh, then all functions and global variables
+# must start with X_
+
+# _update_every is a special variable - it holds the number of seconds
+# between the calls of the _update() function
+example_update_every=
+
+example_priority=150000
+
+# _check is called once, to find out if this chart should be enabled or not
+example_check() {
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	return 0
+}
+
+# _create is called once, to create the charts
+example_create() {
+	# create the chart with 3 dimensions
+	cat <<EOF
+CHART example.random '' "Random Numbers Stacked Chart" "% of random numbers" random random stacked $[example_priority] $example_update_every
+DIMENSION random1 '' percentage-of-absolute-row 1 1
+DIMENSION random2 '' percentage-of-absolute-row 1 1
+DIMENSION random3 '' percentage-of-absolute-row 1 1
+CHART example.random2 '' "A random number" "random number" random random area $[example_priority + 1] $example_update_every
+DIMENSION random '' absolute 1 1
+EOF
+
+	return 0
+}
+
+# _update is called continiously, to collect the values
+example_last=0
+example_count=0
+example_update() {
+	local value1 value2 value3 value4 mode
+
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	value1=$RANDOM
+	value2=$RANDOM
+	value3=$RANDOM
+	value4=$[8192 + (RANDOM * 16383 / 32767) ]
+
+	if [ $example_count -gt 0 ]
+		then
+		example_count=$[example_count - 1]
+
+		[ $example_last -gt 16383 ] && value4=$[example_last + (RANDOM * ( (32767 - example_last) / 2) / 32767)]
+		[ $example_last -le 16383 ] && value4=$[example_last - (RANDOM * (example_last / 2) / 32767)]
+	else
+		example_count=$[1 + (RANDOM * 5 / 32767) ]
+
+		[ $example_last -gt 16383 -a $value4 -gt 16383 ] && value4=$[value4 - 16383]
+		[ $example_last -le 16383 -a $value4 -lt 16383 ] && value4=$[value4 + 16383]
+	fi
+	example_last=$value4
+
+	# write the result of the work.
+	cat <<VALUESEOF
+BEGIN example.random $1
+SET random1 = $value1
+SET random2 = $value2
+SET random3 = $value3
+END
+BEGIN example.random2 $1
+SET random = $value4
+END
+VALUESEOF
+	# echo >&2 "example_count = $example_count value = $value4"
+
+	return 0
+}
diff --git a/charts.d/load_average.chart.sh b/charts.d/load_average.chart.sh
new file mode 100755
index 00000000..257ea7ca
--- /dev/null
+++ b/charts.d/load_average.chart.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+load_average_update_every=5
+load_priority=100
+
+# this is an example charts.d collector
+# it is disabled by default.
+# there is no point to enable it, since netdata already
+# collects this information using its internal plugins.
+load_average_enabled=0
+
+load_average_check() {
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	if [ ${load_average_update_every} -lt 5 ]
+		then
+		# there is no meaning for shorter than 5 seconds
+		# the kernel changes this value every 5 seconds
+		load_average_update_every=5
+	fi
+
+	[ ${load_average_enabled} -eq 0 ] && return 1
+	return 0
+}
+
+load_average_create() {
+	# create a chart with 3 dimensions
+cat <<EOF
+CHART system.load '' "System Load Average" "load" load system.load line $[load_priority + 1] $load_average_update_every
+DIMENSION load1 '1 min' absolute 1 100
+DIMENSION load5 '5 mins' absolute 1 100
+DIMENSION load15 '15 mins' absolute 1 100
+EOF
+
+	return 0
+}
+
+load_average_update() {
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	# here we parse the system average load
+	# it is decimal (with 2 decimal digits), so we remove the dot and
+	# at the definition we have divisor = 100, to have the graph show the right value
+	loadavg="`cat /proc/loadavg | sed -e "s/\.//g"`"
+	load1=`echo $loadavg | cut -d ' ' -f 1`
+	load5=`echo $loadavg | cut -d ' ' -f 2`
+	load15=`echo $loadavg | cut -d ' ' -f 3`
+
+	# write the result of the work.
+	cat <<VALUESEOF
+BEGIN system.load
+SET load1 = $load1
+SET load5 = $load5
+SET load15 = $load15
+END
+VALUESEOF
+
+	return 0
+}
+
diff --git a/charts.d/mem_apps.chart.sh b/charts.d/mem_apps.chart.sh
new file mode 100755
index 00000000..f537ada4
--- /dev/null
+++ b/charts.d/mem_apps.chart.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+
+mem_apps_apps=
+
+# these are required for computing memory in bytes and cpu in seconds
+#mem_apps_pagesize="`getconf PAGESIZE`"
+#mem_apps_clockticks="`getconf CLK_TCK`"
+
+mem_apps_update_every=
+
+mem_apps_check() {
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	if [ -z "$mem_apps_apps" ]
+	then
+		echo >&2 "$PROGRAM_NAME: mem_apps: not configured. Please set mem_apps_apps='command1 command2 ...' in $confd/mem_apps_apps.conf"
+		return 1
+	fi
+	return 0
+}
+
+mem_apps_bc_finalze=
+
+mem_apps_create() {
+
+	echo "CHART chartsd_apps.mem '' 'Apps Memory' MB apps apps.mem stacked 20000 $mem_apps_update_every"
+
+	local x=
+	for x in $mem_apps_apps
+	do
+		echo "DIMENSION $x $x absolute 1 1024"
+
+		# this string is needed later in the update() function
+		# to finalize the instructions for the bc command
+		mem_apps_bc_finalze="$mem_apps_bc_finalze \"SET $x = \"; $x;"
+	done
+	return 0
+}
+
+mem_apps_update() {
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	echo "BEGIN chartsd_apps.mem"
+	ps -o comm,rss -C "$mem_apps_apps" |\
+		grep -v "^COMMAND" |\
+		(	sed -e "s/ \+/ /g" -e "s/ /+=/g";
+			echo "$mem_apps_bc_finalze"
+		) | bc
+	echo "END"
+
+	return 0
+}
diff --git a/charts.d/mysql.chart.sh b/charts.d/mysql.chart.sh
new file mode 100755
index 00000000..28390528
--- /dev/null
+++ b/charts.d/mysql.chart.sh
@@ -0,0 +1,460 @@
+#!/bin/sh
+
+# http://dev.mysql.com/doc/refman/5.0/en/server-status-variables.html
+#
+# https://dev.mysql.com/doc/refman/5.1/en/show-status.html
+# SHOW STATUS provides server status information (see Section 5.1.6, “Server Status Variables”).
+# This statement does not require any privilege.
+# It requires only the ability to connect to the server.
+
+mysql_update_every=5
+mysql_priority=60000
+
+declare -A mysql_cmds=() mysql_opts=() mysql_ids=()
+
+mysql_exec() {
+	local ret
+
+	"${@}" -s -e "show global status;"
+	ret=$?
+
+	[ $ret -ne 0 ] && echo "plugin_command_failure $ret"
+	return $ret
+}
+
+mysql_get() {
+	unset \
+		mysql_Bytes_received \
+		mysql_Bytes_sent \
+		mysql_Queries \
+		mysql_Questions \
+		mysql_Slow_queries \
+		mysql_Handler_commit \
+		mysql_Handler_delete \
+		mysql_Handler_prepare \
+		mysql_Handler_read_first \
+		mysql_Handler_read_key \
+		mysql_Handler_read_next \
+		mysql_Handler_read_prev \
+		mysql_Handler_read_rnd \
+		mysql_Handler_read_rnd_next \
+		mysql_Handler_rollback \
+		mysql_Handler_savepoint \
+		mysql_Handler_savepoint_rollback \
+		mysql_Handler_update \
+		mysql_Handler_write \
+		mysql_Table_locks_immediate \
+		mysql_Table_locks_waited \
+		mysql_Select_full_join \
+		mysql_Select_full_range_join \
+		mysql_Select_range \
+		mysql_Select_range_check \
+		mysql_Select_scan \
+		mysql_Sort_merge_passes \
+		mysql_Sort_range \
+		mysql_Sort_scan \
+		mysql_Created_tmp_disk_tables \
+		mysql_Created_tmp_files \
+		mysql_Created_tmp_tables \
+		mysql_Connection_errors_accept \
+		mysql_Connection_errors_internal \
+		mysql_Connection_errors_max_connections \
+		mysql_Connection_errors_peer_addr \
+		mysql_Connection_errors_select \
+		mysql_Connection_errors_tcpwrap \
+		mysql_Connections \
+		mysql_Aborted_connects \
+		mysql_Binlog_cache_disk_use \
+		mysql_Binlog_cache_use \
+		mysql_Binlog_stmt_cache_disk_use \
+		mysql_Binlog_stmt_cache_use \
+		mysql_Threads_connected \
+		mysql_Threads_created \
+		mysql_Threads_cached \
+		mysql_Threads_running \
+		mysql_Innodb_data_read \
+		mysql_Innodb_data_written \
+		mysql_Innodb_data_reads \
+		mysql_Innodb_data_writes \
+		mysql_Innodb_data_fsyncs \
+		mysql_Innodb_data_pending_reads \
+		mysql_Innodb_data_pending_writes \
+		mysql_Innodb_data_pending_fsyncs \
+		mysql_Innodb_log_waits \
+		mysql_Innodb_log_write_requests \
+		mysql_Innodb_log_writes \
+		mysql_Innodb_os_log_fsyncs \
+		mysql_Innodb_os_log_pending_fsyncs \
+		mysql_Innodb_os_log_pending_writes \
+		mysql_Innodb_os_log_written \
+		mysql_Innodb_row_lock_current_waits \
+		mysql_Innodb_rows_inserted \
+		mysql_Innodb_rows_read \
+		mysql_Innodb_rows_updated \
+		mysql_Innodb_rows_deleted
+
+	mysql_plugin_command_failure=0
+
+	eval "$(mysql_exec "${@}" |\
+		sed \
+			-e "s/[[:space:]]\+/ /g" \
+			-e "s/\./_/g" \
+			-e "s/^\([a-zA-Z0-9_]\+\)[[:space:]]\+\([0-9]\+\)$/mysql_\1=\2/g" |\
+		egrep "^mysql_[a-zA-Z0-9_]+=[[:digit:]]+$")"
+
+	[ $mysql_plugin_command_failure -eq 1 ] && return 1
+	[ -z "$mysql_Connections" ] && return 1
+
+	mysql_Thread_cache_misses=0
+	[ $(( mysql_Connections + 1 - 1 )) -gt 0 ] && mysql_Thread_cache_misses=$(( mysql_Threads_created * 10000 / mysql_Connections ))
+
+	return 0
+}
+
+mysql_check() {
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	local x m mysql_cmd
+
+	[ -z "${mysql_cmd}" ] && mysql_cmd="$(which mysql)"
+
+	if [ ${#mysql_opts[@]} -eq 0 ]
+		then
+		mysql_cmds[local]="$mysql_cmd"
+		mysql_opts[local]=
+	fi
+
+	# check once if the url works
+	for m in "${!mysql_opts[@]}"
+	do
+		[ -z "${mysql_cmds[$m]}" ] && mysql_cmds[$m]="$mysql_cmd"
+		if [ -z "${mysql_cmds[$m]}" ]
+			then
+			echo >&2 "$PROGRAM_NAME: mysql: cannot get mysql command for '$m'. Please set mysql_cmds[$m]='/path/to/mysql', in $confd/mysql.conf"
+		fi
+
+		mysql_get "${mysql_cmds[$m]}" ${mysql_opts[$m]}
+		if [ ! $? -eq 0 ]
+		then
+			echo >&2 "$PROGRAM_NAME: mysql: cannot get global status for '$m'. Please set mysql_opts[$m]='options' to whatever needed to get connected to the mysql server, in $confd/mysql.conf"
+			unset mysql_cmds[$m]
+			unset mysql_opts[$m]
+			unset mysql_ids[$m]
+			continue
+		fi
+
+		mysql_ids[$m]="$( fixid "$m" )"
+	done
+
+	if [ ${#mysql_opts[@]} -eq 0 ]
+		then
+		echo >&2 "$PROGRAM_NAME: mysql: no mysql servers found. Please set mysql_opts[name]='options' to whatever needed to get connected to the mysql server, in $confd/mysql.conf"
+		return 1
+	fi
+
+	return 0
+}
+
+mysql_create() {
+	local m
+
+	# create the charts
+	for m in "${mysql_ids[@]}"
+	do
+		cat <<EOF
+CHART mysql_$m.net '' "mysql Bandwidth" "kilobits/s" bandwidth mysql.net area $[mysql_priority + 1] $mysql_update_every
+DIMENSION Bytes_received in incremental 8 1024
+DIMENSION Bytes_sent out incremental -8 1024
+
+CHART mysql_$m.queries '' "mysql Queries" "queries/s" queries mysql.queries line $[mysql_priority + 2] $mysql_update_every
+DIMENSION Queries queries incremental 1 1
+DIMENSION Questions questions incremental 1 1
+DIMENSION Slow_queries slow_queries incremental -1 1
+
+CHART mysql_$m.handlers '' "mysql Handlers" "handlers/s" handlers mysql.handlers line $[mysql_priority + 3] $mysql_update_every
+DIMENSION Handler_commit commit incremental 1 1
+DIMENSION Handler_delete delete incremental 1 1
+DIMENSION Handler_prepare prepare incremental 1 1
+DIMENSION Handler_read_first read_first incremental 1 1
+DIMENSION Handler_read_key read_key incremental 1 1
+DIMENSION Handler_read_next read_next incremental 1 1
+DIMENSION Handler_read_prev read_prev incremental 1 1
+DIMENSION Handler_read_rnd read_rnd incremental 1 1
+DIMENSION Handler_read_rnd_next read_rnd_next incremental 1 1
+DIMENSION Handler_rollback rollback incremental 1 1
+DIMENSION Handler_savepoint savepoint incremental 1 1
+DIMENSION Handler_savepoint_rollback savepoint_rollback incremental 1 1
+DIMENSION Handler_update update incremental 1 1
+DIMENSION Handler_write write incremental 1 1
+
+CHART mysql_$m.table_locks '' "mysql Tables Locks" "locks/s" locks mysql.table_locks line $[mysql_priority + 4] $mysql_update_every
+DIMENSION Table_locks_immediate immediate incremental 1 1
+DIMENSION Table_locks_waited waited incremental -1 1
+
+CHART mysql_$m.join_issues '' "mysql Select Join Issues" "joins/s" issues mysql.join_issues line $[mysql_priority + 5] $mysql_update_every
+DIMENSION Select_full_join full_join incremental 1 1
+DIMENSION Select_full_range_join full_range_join incremental 1 1
+DIMENSION Select_range range incremental 1 1
+DIMENSION Select_range_check range_check incremental 1 1
+DIMENSION Select_scan scan incremental 1 1
+
+CHART mysql_$m.sort_issues '' "mysql Sort Issues" "issues/s" issues mysql.sort.issues line $[mysql_priority + 6] $mysql_update_every
+DIMENSION Sort_merge_passes merge_passes incremental 1 1
+DIMENSION Sort_range range incremental 1 1
+DIMENSION Sort_scan scan incremental 1 1
+
+CHART mysql_$m.tmp '' "mysql Tmp Operations" "counter" temporaries mysql.tmp line $[mysql_priority + 7] $mysql_update_every
+DIMENSION Created_tmp_disk_tables disk_tables incremental 1 1
+DIMENSION Created_tmp_files files incremental 1 1
+DIMENSION Created_tmp_tables tables incremental 1 1
+
+CHART mysql_$m.connections '' "mysql Connections" "connections/s" connections mysql.connections line $[mysql_priority + 8] $mysql_update_every
+DIMENSION Connections all incremental 1 1
+DIMENSION Aborted_connects aborded incremental 1 1
+
+CHART mysql_$m.binlog_cache '' "mysql Binlog Cache" "transactions/s" binlog mysql.binlog_cache line $[mysql_priority + 9] $mysql_update_every
+DIMENSION Binlog_cache_disk_use disk incremental 1 1
+DIMENSION Binlog_cache_use all incremental 1 1
+
+CHART mysql_$m.threads '' "mysql Threads" "threads" threads mysql.threads line $[mysql_priority + 10] $mysql_update_every
+DIMENSION Threads_connected connected absolute 1 1
+DIMENSION Threads_created created incremental 1 1
+DIMENSION Threads_cached cached absolute -1 1
+DIMENSION Threads_running running absolute 1 1
+
+CHART mysql_$m.thread_cache_misses '' "mysql Threads Cache Misses" "misses" threads mysql.thread_cache_misses area $[mysql_priority + 11] $mysql_update_every
+DIMENSION misses misses absolute 1 100
+
+CHART mysql_$m.innodb_io '' "mysql InnoDB I/O Bandwidth" "kilobytes/s" innodb mysql.innodb_io area $[mysql_priority + 12] $mysql_update_every
+DIMENSION Innodb_data_read read incremental 1 1024
+DIMENSION Innodb_data_written write incremental -1 1024
+
+CHART mysql_$m.innodb_io_ops '' "mysql InnoDB I/O Operations" "operations/s" innodb mysql.innodb_io_ops line $[mysql_priority + 13] $mysql_update_every
+DIMENSION Innodb_data_reads reads incremental 1 1
+DIMENSION Innodb_data_writes writes incremental -1 1
+DIMENSION Innodb_data_fsyncs fsyncs incremental 1 1
+
+CHART mysql_$m.innodb_io_pending_ops '' "mysql InnoDB Pending I/O Operations" "operations" innodb mysql.innodb_io_pending_ops line $[mysql_priority + 14] $mysql_update_every
+DIMENSION Innodb_data_pending_reads reads absolute 1 1
+DIMENSION Innodb_data_pending_writes writes absolute -1 1
+DIMENSION Innodb_data_pending_fsyncs fsyncs absolute 1 1
+
+CHART mysql_$m.innodb_log '' "mysql InnoDB Log Operations" "operations/s" innodb mysql.innodb_log line $[mysql_priority + 15] $mysql_update_every
+DIMENSION Innodb_log_waits waits incremental 1 1
+DIMENSION Innodb_log_write_requests write_requests incremental -1 1
+DIMENSION Innodb_log_writes writes incremental -1 1
+
+CHART mysql_$m.innodb_os_log '' "mysql InnoDB OS Log Operations" "operations" innodb mysql.innodb_os_log line $[mysql_priority + 16] $mysql_update_every
+DIMENSION Innodb_os_log_fsyncs fsyncs incremental 1 1
+DIMENSION Innodb_os_log_pending_fsyncs pending_fsyncs absolute 1 1
+DIMENSION Innodb_os_log_pending_writes pending_writes absolute -1 1
+
+CHART mysql_$m.innodb_os_log_io '' "mysql InnoDB OS Log Bandwidth" "kilobytes/s" innodb mysql.innodb_os_log_io area $[mysql_priority + 17] $mysql_update_every
+DIMENSION Innodb_os_log_written write incremental -1 1024
+
+CHART mysql_$m.innodb_cur_row_lock '' "mysql InnoDB Current Row Locks" "operations" innodb mysql.innodb_cur_row_lock area $[mysql_priority + 18] $mysql_update_every
+DIMENSION Innodb_row_lock_current_waits current_waits absolute 1 1
+
+CHART mysql_$m.innodb_rows '' "mysql InnoDB Row Operations" "operations/s" innodb mysql.innodb_rows area $[mysql_priority + 19] $mysql_update_every
+DIMENSION Innodb_rows_read read incremental 1 1
+DIMENSION Innodb_rows_deleted deleted incremental -1 1
+DIMENSION Innodb_rows_inserted inserted incremental 1 1
+DIMENSION Innodb_rows_updated updated incremental -1 1
+
+EOF
+
+	if [ ! -z "$mysql_Binlog_stmt_cache_disk_use" ]
+		then
+		cat <<EOF
+CHART mysql_$m.binlog_stmt_cache '' "mysql Binlog Statement Cache" "statements/s" binlog mysql.binlog_stmt_cache line $[mysql_priority + 20] $mysql_update_every
+DIMENSION Binlog_stmt_cache_disk_use disk incremental 1 1
+DIMENSION Binlog_stmt_cache_use all incremental 1 1
+EOF
+	fi
+
+	if [ ! -z "$mysql_Connection_errors_accept" ]
+		then
+		cat <<EOF
+CHART mysql_$m.connection_errors '' "mysql Connection Errors" "connections/s" connections mysql.connection_errors line $[mysql_priority + 21] $mysql_update_every
+DIMENSION Connection_errors_accept accept incremental 1 1
+DIMENSION Connection_errors_internal internal incremental 1 1
+DIMENSION Connection_errors_max_connections max incremental 1 1
+DIMENSION Connection_errors_peer_addr peer_addr incremental 1 1
+DIMENSION Connection_errors_select select incremental 1 1
+DIMENSION Connection_errors_tcpwrap tcpwrap incremental 1 1
+EOF
+	fi
+
+	done
+	return 0
+}
+
+
+mysql_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	# 1. get the counters page from mysql
+	# 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local mysql_
+	# 3. egrep lines starting with:
+	#    local mysql_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
+	#    local mysql_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
+	# 4. then execute this as a script with the eval
+	#
+	# be very carefull with eval:
+	# prepare the script and always grep at the end the lines that are usefull, so that
+	# even if something goes wrong, no other code can be executed
+
+	local m x
+	for m in "${!mysql_ids[@]}"
+	do
+		x="${mysql_ids[$m]}"
+
+		mysql_get "${mysql_cmds[$m]}" ${mysql_opts[$m]}
+		if [ $? -ne 0 ]
+			then
+			unset mysql_ids[$m]
+			unset mysql_opts[$m]
+			unset mysql_cmds[$m]
+			echo >&2 "$PROGRAM_NAME: mysql: failed to get values for '$m', disabling it."
+			continue
+		fi
+
+		# write the result of the work.
+		cat <<VALUESEOF
+BEGIN mysql_$x.net $1
+SET Bytes_received = $mysql_Bytes_received
+SET Bytes_sent = $mysql_Bytes_sent
+END
+BEGIN mysql_$x.queries $1
+SET Queries = $mysql_Queries
+SET Questions = $mysql_Questions
+SET Slow_queries = $mysql_Slow_queries
+END
+BEGIN mysql_$x.handlers $1
+SET Handler_commit = $mysql_Handler_commit
+SET Handler_delete = $mysql_Handler_delete
+SET Handler_prepare = $mysql_Handler_prepare
+SET Handler_read_first = $mysql_Handler_read_first
+SET Handler_read_key = $mysql_Handler_read_key
+SET Handler_read_next = $mysql_Handler_read_next
+SET Handler_read_prev = $mysql_Handler_read_prev
+SET Handler_read_rnd = $mysql_Handler_read_rnd
+SET Handler_read_rnd_next = $mysql_Handler_read_rnd_next
+SET Handler_rollback = $mysql_Handler_rollback
+SET Handler_savepoint = $mysql_Handler_savepoint
+SET Handler_savepoint_rollback = $mysql_Handler_savepoint_rollback
+SET Handler_update = $mysql_Handler_update
+SET Handler_write = $mysql_Handler_write
+END
+BEGIN mysql_$x.table_locks $1
+SET Table_locks_immediate = $mysql_Table_locks_immediate
+SET Table_locks_waited = $mysql_Table_locks_waited
+END
+BEGIN mysql_$x.join_issues $1
+SET Select_full_join = $mysql_Select_full_join
+SET Select_full_range_join = $mysql_Select_full_range_join
+SET Select_range = $mysql_Select_range
+SET Select_range_check = $mysql_Select_range_check
+SET Select_scan = $mysql_Select_scan
+END
+BEGIN mysql_$x.sort_issues $1
+SET Sort_merge_passes = $mysql_Sort_merge_passes
+SET Sort_range = $mysql_Sort_range
+SET Sort_scan = $mysql_Sort_scan
+END
+BEGIN mysql_$m.tmp $1
+SET Created_tmp_disk_tables = $mysql_Created_tmp_disk_tables
+SET Created_tmp_files = $mysql_Created_tmp_files
+SET Created_tmp_tables = $mysql_Created_tmp_tables
+END
+BEGIN mysql_$m.connections $1
+SET Connections = $mysql_Connections
+SET Aborted_connects = $mysql_Aborted_connects
+END
+BEGIN mysql_$m.binlog_cache $1
+SET Binlog_cache_disk_use = $mysql_Binlog_cache_disk_use
+SET Binlog_cache_use = $mysql_Binlog_cache_use
+END
+BEGIN mysql_$m.threads $1
+SET Threads_connected = $mysql_Threads_connected
+SET Threads_created = $mysql_Threads_created
+SET Threads_cached = $mysql_Threads_cached
+SET Threads_running = $mysql_Threads_running
+END
+BEGIN mysql_$m.thread_cache_misses $1
+SET misses = $mysql_Thread_cache_misses
+END
+BEGIN mysql_$m.innodb_io $1
+SET Innodb_data_read = $mysql_Innodb_data_read
+SET Innodb_data_written = $mysql_Innodb_data_written
+END
+BEGIN mysql_$m.innodb_io_ops $1
+SET Innodb_data_reads = $mysql_Innodb_data_reads
+SET Innodb_data_writes = $mysql_Innodb_data_writes
+SET Innodb_data_fsyncs = $mysql_Innodb_data_fsyncs
+END
+BEGIN mysql_$m.innodb_io_pending_ops $1
+SET Innodb_data_pending_reads = $mysql_Innodb_data_pending_reads
+SET Innodb_data_pending_writes = $mysql_Innodb_data_pending_writes
+SET Innodb_data_pending_fsyncs = $mysql_Innodb_data_pending_fsyncs
+END
+BEGIN mysql_$m.innodb_log $1
+SET Innodb_log_waits = $mysql_Innodb_log_waits
+SET Innodb_log_write_requests = $mysql_Innodb_log_write_requests
+SET Innodb_log_writes = $mysql_Innodb_log_writes
+END
+BEGIN mysql_$m.innodb_os_log $1
+SET Innodb_os_log_fsyncs = $mysql_Innodb_os_log_fsyncs
+SET Innodb_os_log_pending_fsyncs = $mysql_Innodb_os_log_pending_fsyncs
+SET Innodb_os_log_pending_writes = $mysql_Innodb_os_log_pending_writes
+END
+BEGIN mysql_$m.innodb_os_log_io $1
+SET Innodb_os_log_written = $mysql_Innodb_os_log_written
+END
+BEGIN mysql_$m.innodb_cur_row_lock $1
+SET Innodb_row_lock_current_waits = $mysql_Innodb_row_lock_current_waits
+END
+BEGIN mysql_$m.innodb_rows $1
+SET Innodb_rows_inserted = $mysql_Innodb_rows_inserted
+SET Innodb_rows_read = $mysql_Innodb_rows_read
+SET Innodb_rows_updated = $mysql_Innodb_rows_updated
+SET Innodb_rows_deleted = $mysql_Innodb_rows_deleted
+END
+VALUESEOF
+
+		if [ ! -z "$mysql_Binlog_stmt_cache_disk_use" ]
+			then
+			cat <<VALUESEOF
+BEGIN mysql_$m.binlog_stmt_cache $1
+SET Binlog_stmt_cache_disk_use = $mysql_Binlog_stmt_cache_disk_use
+SET Binlog_stmt_cache_use = $mysql_Binlog_stmt_cache_use
+END
+VALUESEOF
+		fi
+
+		if [ ! -z "$mysql_Connection_errors_accept" ]
+			then
+			cat <<VALUESEOF
+BEGIN mysql_$m.connection_errors $1
+SET Connection_errors_accept = $mysql_Connection_errors_accept
+SET Connection_errors_internal = $mysql_Connection_errors_internal
+SET Connection_errors_max_connections = $mysql_Connection_errors_max_connections
+SET Connection_errors_peer_addr = $mysql_Connection_errors_peer_addr
+SET Connection_errors_select = $mysql_Connection_errors_select
+SET Connection_errors_tcpwrap = $mysql_Connection_errors_tcpwrap
+END
+VALUESEOF
+		fi
+	done
+
+	[ ${#mysql_ids[@]} -eq 0 ] && echo >&2 "$PROGRAM_NAME: mysql: no mysql servers left active." && return 1
+	return 0
+}
+
diff --git a/charts.d/nginx.chart.sh b/charts.d/nginx.chart.sh
new file mode 100755
index 00000000..bc8293c5
--- /dev/null
+++ b/charts.d/nginx.chart.sh
@@ -0,0 +1,134 @@
+#!/bin/sh
+
+# if this chart is called X.chart.sh, then all functions and global variables
+# must start with X_
+
+nginx_url="http://127.0.0.1:80/stub_status"
+
+# _update_every is a special variable - it holds the number of seconds
+# between the calls of the _update() function
+nginx_update_every=
+nginx_priority=60000
+
+declare -a nginx_response=()
+nginx_active_connections=0
+nginx_accepts=0
+nginx_handled=0
+nginx_requests=0
+nginx_reading=0
+nginx_writing=0
+nginx_waiting=0
+nginx_get() {
+	nginx_response=($(curl -s "${nginx_url}"))
+	[ $? -ne 0 -o "${#nginx_response[@]}" -eq 0 ] && return 1
+
+	if [ "${nginx_response[0]}" != "Active" \
+		 -o "${nginx_response[1]}" != "connections:" \
+		 -o "${nginx_response[3]}" != "server" \
+		 -o "${nginx_response[4]}" != "accepts" \
+		 -o "${nginx_response[5]}" != "handled" \
+		 -o "${nginx_response[6]}" != "requests" \
+		 -o "${nginx_response[10]}" != "Reading:" \
+		 -o "${nginx_response[12]}" != "Writing:" \
+		 -o "${nginx_response[14]}" != "Waiting:" \
+	   ]
+		then
+		echo >&2 "nginx: Invalid response from nginx server: ${nginx_response[*]}"
+		return 1
+	fi
+
+	nginx_active_connections="${nginx_response[2]}"
+	nginx_accepts="${nginx_response[7]}"
+	nginx_handled="${nginx_response[8]}"
+	nginx_requests="${nginx_response[9]}"
+	nginx_reading="${nginx_response[11]}"
+	nginx_writing="${nginx_response[13]}"
+	nginx_waiting="${nginx_response[15]}"
+
+	if [ -z "${nginx_active_connections}" \
+		-o -z "${nginx_accepts}" \
+		-o -z "${nginx_handled}" \
+		-o -z "${nginx_requests}" \
+		-o -z "${nginx_reading}" \
+		-o -z "${nginx_writing}" \
+		-o -z "${nginx_waiting}" \
+		]
+		then
+		echo >&2 "nginx: empty values got from nginx server: ${nginx_response[*]}"
+		return 1
+	fi
+
+	return 0
+}
+
+# _check is called once, to find out if this chart should be enabled or not
+nginx_check() {
+
+	nginx_get
+	if [ $? -ne 0 ]
+		then
+		echo >&2 "nginx: cannot find stub_status on URL '${nginx_url}'. Please set nginx_url='http://nginx.server/stub_status' in $confd/nginx.conf"
+		return 1
+	fi
+
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	return 0
+}
+
+# _create is called once, to create the charts
+nginx_create() {
+	cat <<EOF
+CHART nginx.connections '' "nginx Active Connections" "connections" nginx nginx.connections line $[nginx_priority + 1] $nginx_update_every
+DIMENSION active '' absolute 1 1
+
+CHART nginx.requests '' "nginx Requests" "requests/s" nginx nginx.requests line $[nginx_priority + 2] $nginx_update_every
+DIMENSION requests '' incremental 1 1
+
+CHART nginx.connections_status '' "nginx Active Connections by Status" "connections" nginx nginx.connections.status line $[nginx_priority + 3] $nginx_update_every
+DIMENSION reading '' absolute 1 1
+DIMENSION writing '' absolute 1 1
+DIMENSION waiting idle absolute 1 1
+
+CHART nginx.connect_rate '' "nginx Connections Rate" "connections/s" nginx nginx.connections.rate line $[nginx_priority + 4] $nginx_update_every
+DIMENSION accepts accepted incremental 1 1
+DIMENSION handled '' incremental 1 1
+EOF
+
+	return 0
+}
+
+# _update is called continiously, to collect the values
+nginx_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	nginx_get || return 1
+
+	# write the result of the work.
+	cat <<VALUESEOF
+BEGIN nginx.connections $1
+SET active = $[nginx_active_connections]
+END
+BEGIN nginx.requests $1
+SET requests = $[nginx_requests]
+END
+BEGIN nginx.connections_status $1
+SET reading = $[nginx_reading]
+SET writing = $[nginx_writing]
+SET waiting = $[nginx_waiting]
+END
+BEGIN nginx.connect_rate $1
+SET accepts = $[nginx_accepts]
+SET handled = $[nginx_handled]
+END
+VALUESEOF
+
+	return 0
+}
diff --git a/charts.d/nut.chart.sh b/charts.d/nut.chart.sh
new file mode 100755
index 00000000..343c6d9c
--- /dev/null
+++ b/charts.d/nut.chart.sh
@@ -0,0 +1,187 @@
+#!/bin/bash
+
+# a space separated list of UPS names
+# if empty, the list returned by 'upsc -l' will be used
+nut_ups=
+
+# how frequently to collect UPS data
+nut_update_every=2
+
+nut_timeout=2
+
+# the priority of nut related to other charts
+nut_priority=90000
+
+declare -A nut_ids=()
+
+nut_get_all() {
+	timeout $nut_timeout upsc -l
+}
+
+nut_get() {
+	timeout $nut_timeout upsc "$1"
+}
+
+nut_check() {
+
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	local x
+
+	require_cmd upsc || return 1
+
+	[ -z "$nut_ups" ] && nut_ups="$( nut_get_all )"
+
+	for x in $nut_ups
+	do
+		nut_get "$x" >/dev/null
+		if [ $? -eq 0 ]
+			then
+			nut_ids[$x]="$( fixid "$x" )"
+			continue
+		fi
+		echo >&2 "nut: ERROR: Cannot get information for NUT UPS '$x'."
+	done
+
+	if [ ${#nut_ids[@]} -eq 0 ]
+		then
+		echo >&2 "nut: Please set nut_ups='ups_name' in $confd/nut.conf"
+		return 1
+	fi
+
+	return 0
+}
+
+nut_create() {
+	# create the charts
+	local x
+
+	for x in "${nut_ids[@]}"
+	do
+		cat <<EOF
+CHART nut_$x.charge '' "UPS Charge" "percentage" ups nut.charge area $[nut_priority + 1] $nut_update_every
+DIMENSION battery_charge charge absolute 1 100
+
+CHART nut_$x.battery_voltage '' "UPS Battery Voltage" "Volts" ups nut.battery.voltage line $[nut_priority + 2] $nut_update_every
+DIMENSION battery_voltage voltage absolute 1 100
+DIMENSION battery_voltage_high high absolute 1 100
+DIMENSION battery_voltage_low low absolute 1 100
+DIMENSION battery_voltage_nominal nominal absolute 1 100
+
+CHART nut_$x.input_voltage '' "UPS Input Voltage" "Volts" input nut.input.voltage line $[nut_priority + 3] $nut_update_every
+DIMENSION input_voltage voltage absolute 1 100
+DIMENSION input_voltage_fault fault absolute 1 100
+DIMENSION input_voltage_nominal nominal absolute 1 100
+
+CHART nut_$x.input_current '' "UPS Input Current" "Ampere" input nut.input.current line $[nut_priority + 4] $nut_update_every
+DIMENSION input_current_nominal nominal absolute 1 100
+
+CHART nut_$x.input_frequency '' "UPS Input Frequency" "Hz" input nut.input.frequency line $[nut_priority + 5] $nut_update_every
+DIMENSION input_frequency frequency absolute 1 100
+DIMENSION input_frequency_nominal nominal absolute 1 100
+
+CHART nut_$x.output_voltage '' "UPS Output Voltage" "Volts" output nut.output.voltage line $[nut_priority + 6] $nut_update_every
+DIMENSION output_voltage voltage absolute 1 100
+
+CHART nut_$x.load '' "UPS Load" "percentage" ups nut.load area $[nut_priority] $nut_update_every
+DIMENSION load load absolute 1 100
+
+CHART nut_$x.temp '' "UPS Temperature" "temperature" ups nut.temperature line $[nut_priority + 7] $nut_update_every
+DIMENSION temp temp absolute 1 100
+EOF
+	done
+
+	return 0
+}
+
+
+nut_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	local i x
+	for i in "${!nut_ids[@]}"
+	do
+		x="${nut_ids[$i]}"
+		nut_get "$i" | awk "
+BEGIN {
+	battery_charge = 0;
+	battery_voltage = 0;
+	battery_voltage_high = 0;
+	battery_voltage_low = 0;
+	battery_voltage_nominal = 0;
+	input_voltage = 0;
+	input_voltage_fault = 0;
+	input_voltage_nominal = 0;
+	input_current_nominal = 0;
+	input_frequency = 0;
+	input_frequency_nominal = 0;
+	output_voltage = 0;
+	load = 0;
+	temp = 0;
+}
+/^battery.charge: .*/			{ battery_charge = \$2 * 100 };
+/^battery.voltage: .*/			{ battery_voltage = \$2 * 100 };
+/^battery.voltage.high: .*/		{ battery_voltage_high = \$2 * 100 };
+/^battery.voltage.low: .*/		{ battery_voltage_low = \$2 * 100 };
+/^battery.voltage.nominal: .*/	{ battery_voltage_nominal = \$2 * 100 };
+/^input.voltage: .*/			{ input_voltage = \$2 * 100 };
+/^input.voltage.fault: .*/		{ input_voltage_fault = \$2 * 100 };
+/^input.voltage.nominal: .*/	{ input_voltage_nominal = \$2 * 100 };
+/^input.current.nominal: .*/	{ input_current_nominal = \$2 * 100 };
+/^input.frequency: .*/			{ input_frequency = \$2 * 100 };
+/^input.frequency.nominal: .*/	{ input_frequency_nominal = \$2 * 100 };
+/^output.voltage: .*/			{ output_voltage = \$2 * 100 };
+/^ups.load: .*/					{ load = \$2 * 100 };
+/^ups.temperature: .*/			{ temp = \$2 * 100 };
+END {
+	print \"BEGIN nut_$x.charge $1\";
+	print \"SET battery_charge = \" battery_charge;
+	print \"END\"
+
+	print \"BEGIN nut_$x.battery_voltage $1\";
+	print \"SET battery_voltage = \" battery_voltage;
+	print \"SET battery_voltage_high = \" battery_voltage_high;
+	print \"SET battery_voltage_low = \" battery_voltage_low;
+	print \"SET battery_voltage_nominal = \" battery_voltage_nominal;
+	print \"END\"
+
+	print \"BEGIN nut_$x.input_voltage $1\";
+	print \"SET input_voltage = \" input_voltage;
+	print \"SET input_voltage_fault = \" input_voltage_fault;
+	print \"SET input_voltage_nominal = \" input_voltage_nominal;
+	print \"END\"
+
+	print \"BEGIN nut_$x.input_current $1\";
+	print \"SET input_current_nominal = \" input_current_nominal;
+	print \"END\"
+
+	print \"BEGIN nut_$x.input_frequency $1\";
+	print \"SET input_frequency = \" input_frequency;
+	print \"SET input_frequency_nominal = \" input_frequency_nominal;
+	print \"END\"
+
+	print \"BEGIN nut_$x.output_voltage $1\";
+	print \"SET output_voltage = \" output_voltage;
+	print \"END\"
+
+	print \"BEGIN nut_$x.load $1\";
+	print \"SET load = \" load;
+	print \"END\"
+
+	print \"BEGIN nut_$x.temp $1\";
+	print \"SET temp = \" temp;
+	print \"END\"
+}"
+		[ $? -ne 0 ] && unset nut_ids[$i] && echo >&2 "nut: failed to get values for '$i', disabling it."
+	done
+
+	[ ${#nut_ids[@]} -eq 0 ] && echo >&2 "nut: no UPSes left active." && return 1
+	return 0
+}
diff --git a/charts.d/opensips.chart.sh b/charts.d/opensips.chart.sh
new file mode 100755
index 00000000..4b60c811
--- /dev/null
+++ b/charts.d/opensips.chart.sh
@@ -0,0 +1,320 @@
+#!/bin/sh
+
+opensips_opts="fifo get_statistics all"
+opensips_cmd=
+opensips_update_every=5
+opensips_timeout=2
+opensips_priority=80000
+
+opensips_get_stats() {
+	timeout $opensips_timeout "$opensips_cmd" $opensips_opts |\
+		grep "^\(core\|dialog\|net\|registrar\|shmem\|siptrace\|sl\|tm\|uri\|usrloc\):[a-zA-Z0-9_ -]\+[[:space:]]*=[[:space:]]*[0-9]\+[[:space:]]*$" |\
+		sed \
+			-e "s|-|_|g" \
+			-e "s|:|_|g" \
+			-e "s|[[:space:]]\+=[[:space:]]\+|=|g" \
+			-e "s|[[:space:]]\+$||" \
+			-e "s|^[[:space:]]\+||" \
+			-e "s|[[:space:]]\+|_|" \
+			-e "s|^|opensips_|g"
+
+	local ret=$?
+	[ $ret -ne 0 ] && echo "opensips_command_failed=1"
+	return $ret
+}
+
+opensips_check() {
+	# if the user did not provide an opensips_cmd
+	# try to find it in the system
+	if [ -z "$opensips_cmd" ]
+		then
+		require_cmd opensipsctl || return 1
+	fi
+
+	# check once if the command works
+	local x="$(opensips_get_stats | grep "^opensips_core_")"
+	if [ ! $? -eq 0 -o -z "$x" ]
+	then
+		echo >&2 "$PROGRAM_NAME: opensips: cannot get global status. Please set opensips_opts='options' whatever needed to get connected to opensips server, in $confd/opensips.conf"
+		return 1
+	fi
+
+	return 0
+}
+
+opensips_create() {
+	# create the charts
+	cat <<EOF
+CHART opensips.dialogs_active '' "OpenSIPS Active Dialogs" "dialogs" dialogs '' area $[opensips_priority + 1] $opensips_update_every
+DIMENSION dialog_active_dialogs active absolute 1 1
+DIMENSION dialog_early_dialogs early absolute -1 1
+
+CHART opensips.users '' "OpenSIPS Users" "users" users '' line $[opensips_priority + 2] $opensips_update_every
+DIMENSION usrloc_registered_users registered absolute 1 1
+DIMENSION usrloc_location_users location absolute 1 1
+DIMENSION usrloc_location_contacts contacts absolute 1 1
+DIMENSION usrloc_location_expires expires incremental -1 1
+
+CHART opensips.registrar '' "OpenSIPS Registrar" "registrations/s" registrar '' line $[opensips_priority + 3] $opensips_update_every
+DIMENSION registrar_accepted_regs accepted incremental 1 1
+DIMENSION registrar_rejected_regs rejected incremental -1 1
+
+CHART opensips.transactions '' "OpenSIPS Transactions" "transactions/s" transactions '' line $[opensips_priority + 4] $opensips_update_every
+DIMENSION tm_UAS_transactions UAS incremental 1 1
+DIMENSION tm_UAC_transactions UAC incremental -1 1
+
+CHART opensips.core_rcv '' "OpenSIPS Core Receives" "queries/s" core '' line $[opensips_priority + 5] $opensips_update_every
+DIMENSION core_rcv_requests requests incremental 1 1
+DIMENSION core_rcv_replies replies incremental -1 1
+
+CHART opensips.core_fwd '' "OpenSIPS Core Forwards" "queries/s" core '' line $[opensips_priority + 6] $opensips_update_every
+DIMENSION core_fwd_requests requests incremental 1 1
+DIMENSION core_fwd_replies replies incremental -1 1
+
+CHART opensips.core_drop '' "OpenSIPS Core Drops" "queries/s" core '' line $[opensips_priority + 7] $opensips_update_every
+DIMENSION core_drop_requests requests incremental 1 1
+DIMENSION core_drop_replies replies incremental -1 1
+
+CHART opensips.core_err '' "OpenSIPS Core Errors" "queries/s" core '' line $[opensips_priority + 8] $opensips_update_every
+DIMENSION core_err_requests requests incremental 1 1
+DIMENSION core_err_replies replies incremental -1 1
+
+CHART opensips.core_bad '' "OpenSIPS Core Bad" "queries/s" core '' line $[opensips_priority + 9] $opensips_update_every
+DIMENSION core_bad_URIs_rcvd bad_URIs_rcvd incremental 1 1
+DIMENSION core_unsupported_methods unsupported_methods incremental 1 1
+DIMENSION core_bad_msg_hdr bad_msg_hdr incremental 1 1
+
+CHART opensips.tm_replies '' "OpenSIPS TM Replies" "replies/s" transactions '' line $[opensips_priority + 10] $opensips_update_every
+DIMENSION tm_received_replies received incremental 1 1
+DIMENSION tm_relayed_replies relayed incremental 1 1
+DIMENSION tm_local_replies local incremental 1 1
+
+CHART opensips.transactions_status '' "OpenSIPS Transactions Status" "transactions/s" transactions '' line $[opensips_priority + 11] $opensips_update_every
+DIMENSION tm_2xx_transactions 2xx incremental 1 1
+DIMENSION tm_3xx_transactions 3xx incremental 1 1
+DIMENSION tm_4xx_transactions 4xx incremental 1 1
+DIMENSION tm_5xx_transactions 5xx incremental 1 1
+DIMENSION tm_6xx_transactions 6xx incremental 1 1
+
+CHART opensips.transactions_inuse '' "OpenSIPS InUse Transactions" "transactions" transactions '' line $[opensips_priority + 12] $opensips_update_every
+DIMENSION tm_inuse_transactions inuse absolute 1 1
+
+CHART opensips.sl_replies '' "OpenSIPS SL Replies" "replies/s" core '' line $[opensips_priority + 13] $opensips_update_every
+DIMENSION sl_1xx_replies 1xx incremental 1 1
+DIMENSION sl_2xx_replies 2xx incremental 1 1
+DIMENSION sl_3xx_replies 3xx incremental 1 1
+DIMENSION sl_4xx_replies 4xx incremental 1 1
+DIMENSION sl_5xx_replies 5xx incremental 1 1
+DIMENSION sl_6xx_replies 6xx incremental 1 1
+DIMENSION sl_sent_replies sent incremental 1 1
+DIMENSION sl_sent_err_replies error incremental 1 1
+DIMENSION sl_received_ACKs ACKed incremental 1 1
+
+CHART opensips.dialogs '' "OpenSIPS Dialogs" "dialogs/s" dialogs '' line $[opensips_priority + 14] $opensips_update_every
+DIMENSION dialog_processed_dialogs processed incremental 1 1
+DIMENSION dialog_expired_dialogs expired incremental 1 1
+DIMENSION dialog_failed_dialogs failed incremental -1 1
+
+CHART opensips.net_waiting '' "OpenSIPS Network Waiting" "kilobytes" net '' line $[opensips_priority + 15] $opensips_update_every
+DIMENSION net_waiting_udp UDP absolute 1 1024
+DIMENSION net_waiting_tcp TCP absolute 1 1024
+
+CHART opensips.uri_checks '' "OpenSIPS URI Checks" "checks / sec" uri '' line $[opensips_priority + 16] $opensips_update_every
+DIMENSION uri_positive_checks positive incremental 1 1
+DIMENSION uri_negative_checks negative incremental -1 1
+
+CHART opensips.traces '' "OpenSIPS Traces" "traces / sec" traces '' line $[opensips_priority + 17] $opensips_update_every
+DIMENSION siptrace_traced_requests requests incremental 1 1
+DIMENSION siptrace_traced_replies replies incremental -1 1
+
+CHART opensips.shmem '' "OpenSIPS Shared Memory" "kilobytes" mem '' line $[opensips_priority + 18] $opensips_update_every
+DIMENSION shmem_total_size total absolute 1 1024
+DIMENSION shmem_used_size used absolute 1 1024
+DIMENSION shmem_real_used_size real_used absolute 1 1024
+DIMENSION shmem_max_used_size max_used absolute 1 1024
+DIMENSION shmem_free_size free absolute 1 1024
+
+CHART opensips.shmem_fragments '' "OpenSIPS Shared Memory Fragmentation" "fragments" mem '' line $[opensips_priority + 19] $opensips_update_every
+DIMENSION shmem_fragments fragments absolute 1 1
+EOF
+
+	return 0
+}
+
+opensips_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+
+	# 1. get the counters page from opensips
+	# 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local opensips_
+	# 3. egrep lines starting with:
+	#    local opensips_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
+	#    local opensips_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
+	# 4. then execute this as a script with the eval
+	#    be very carefull with eval:
+	#    prepare the script and always grep at the end the lines that are usefull, so that
+	#    even if something goes wrong, no other code can be executed
+
+	unset \
+		opensips_dialog_active_dialogs \
+		opensips_dialog_early_dialogs \
+		opensips_usrloc_registered_users \
+		opensips_usrloc_location_users \
+		opensips_usrloc_location_contacts \
+		opensips_usrloc_location_expires \
+		opensips_registrar_accepted_regs \
+		opensips_registrar_rejected_regs \
+		opensips_tm_UAS_transactions \
+		opensips_tm_UAC_transactions \
+		opensips_core_rcv_requests \
+		opensips_core_rcv_replies \
+		opensips_core_fwd_requests \
+		opensips_core_fwd_replies \
+		opensips_core_drop_requests \
+		opensips_core_drop_replies \
+		opensips_core_err_requests \
+		opensips_core_err_replies \
+		opensips_core_bad_URIs_rcvd \
+		opensips_core_unsupported_methods \
+		opensips_core_bad_msg_hdr \
+		opensips_tm_received_replies \
+		opensips_tm_relayed_replies \
+		opensips_tm_local_replies \
+		opensips_tm_2xx_transactions \
+		opensips_tm_3xx_transactions \
+		opensips_tm_4xx_transactions \
+		opensips_tm_5xx_transactions \
+		opensips_tm_6xx_transactions \
+		opensips_tm_inuse_transactions \
+		opensips_sl_1xx_replies \
+		opensips_sl_2xx_replies \
+		opensips_sl_3xx_replies \
+		opensips_sl_4xx_replies \
+		opensips_sl_5xx_replies \
+		opensips_sl_6xx_replies \
+		opensips_sl_sent_replies \
+		opensips_sl_sent_err_replies \
+		opensips_sl_received_ACKs \
+		opensips_dialog_processed_dialogs \
+		opensips_dialog_expired_dialogs \
+		opensips_dialog_failed_dialogs \
+		opensips_net_waiting_udp \
+		opensips_net_waiting_tcp \
+		opensips_uri_positive_checks \
+		opensips_uri_negative_checks \
+		opensips_siptrace_traced_requests \
+		opensips_siptrace_traced_replies \
+		opensips_shmem_total_size \
+		opensips_shmem_used_size \
+		opensips_shmem_real_used_size \
+		opensips_shmem_max_used_size \
+		opensips_shmem_free_size \
+		opensips_shmem_fragments
+
+	opensips_command_failed=0
+	eval "local $(opensips_get_stats)"
+	[ $? -ne 0 ] && return 1
+
+	[ $opensips_command_failed -eq 1 ] && echo >&2 "$PROGRAM_NAME: opensips: failed to get values, disabling." && return 1
+
+	# write the result of the work.
+	cat <<VALUESEOF
+BEGIN opensips.dialogs_active $1
+SET dialog_active_dialogs = $opensips_dialog_active_dialogs
+SET dialog_early_dialogs = $opensips_dialog_early_dialogs
+END
+BEGIN opensips.users $1
+SET usrloc_registered_users = $opensips_usrloc_registered_users
+SET usrloc_location_users = $opensips_usrloc_location_users
+SET usrloc_location_contacts = $opensips_usrloc_location_contacts
+SET usrloc_location_expires = $opensips_usrloc_location_expires
+END
+BEGIN opensips.registrar $1
+SET registrar_accepted_regs = $opensips_registrar_accepted_regs
+SET registrar_rejected_regs = $opensips_registrar_rejected_regs
+END
+BEGIN opensips.transactions $1
+SET tm_UAS_transactions = $opensips_tm_UAS_transactions
+SET tm_UAC_transactions = $opensips_tm_UAC_transactions
+END
+BEGIN opensips.core_rcv $1
+SET core_rcv_requests = $opensips_core_rcv_requests
+SET core_rcv_replies = $opensips_core_rcv_replies
+END
+BEGIN opensips.core_fwd $1
+SET core_fwd_requests = $opensips_core_fwd_requests
+SET core_fwd_replies = $opensips_core_fwd_replies
+END
+BEGIN opensips.core_drop $1
+SET core_drop_requests = $opensips_core_drop_requests
+SET core_drop_replies = $opensips_core_drop_replies
+END
+BEGIN opensips.core_err $1
+SET core_err_requests = $opensips_core_err_requests
+SET core_err_replies = $opensips_core_err_replies
+END
+BEGIN opensips.core_bad $1
+SET core_bad_URIs_rcvd = $opensips_core_bad_URIs_rcvd
+SET core_unsupported_methods = $opensips_core_unsupported_methods
+SET core_bad_msg_hdr = $opensips_core_bad_msg_hdr
+END
+BEGIN opensips.tm_replies $1
+SET tm_received_replies = $opensips_tm_received_replies
+SET tm_relayed_replies = $opensips_tm_relayed_replies
+SET tm_local_replies = $opensips_tm_local_replies
+END
+BEGIN opensips.transactions_status $1
+SET tm_2xx_transactions = $opensips_tm_2xx_transactions
+SET tm_3xx_transactions = $opensips_tm_3xx_transactions
+SET tm_4xx_transactions = $opensips_tm_4xx_transactions
+SET tm_5xx_transactions = $opensips_tm_5xx_transactions
+SET tm_6xx_transactions = $opensips_tm_6xx_transactions
+END
+BEGIN opensips.transactions_inuse $1
+SET tm_inuse_transactions = $opensips_tm_inuse_transactions
+END
+BEGIN opensips.sl_replies $1
+SET sl_1xx_replies = $opensips_sl_1xx_replies
+SET sl_2xx_replies = $opensips_sl_2xx_replies
+SET sl_3xx_replies = $opensips_sl_3xx_replies
+SET sl_4xx_replies = $opensips_sl_4xx_replies
+SET sl_5xx_replies = $opensips_sl_5xx_replies
+SET sl_6xx_replies = $opensips_sl_6xx_replies
+SET sl_sent_replies = $opensips_sl_sent_replies
+SET sl_sent_err_replies = $opensips_sl_sent_err_replies
+SET sl_received_ACKs = $opensips_sl_received_ACKs
+END
+BEGIN opensips.dialogs $1
+SET dialog_processed_dialogs = $opensips_dialog_processed_dialogs
+SET dialog_expired_dialogs = $opensips_dialog_expired_dialogs
+SET dialog_failed_dialogs = $opensips_dialog_failed_dialogs
+END
+BEGIN opensips.net_waiting $1
+SET net_waiting_udp = $opensips_net_waiting_udp
+SET net_waiting_tcp = $opensips_net_waiting_tcp
+END
+BEGIN opensips.uri_checks $1
+SET uri_positive_checks = $opensips_uri_positive_checks
+SET uri_negative_checks = $opensips_uri_negative_checks
+END
+BEGIN opensips.traces $1
+SET siptrace_traced_requests = $opensips_siptrace_traced_requests
+SET siptrace_traced_replies = $opensips_siptrace_traced_replies
+END
+BEGIN opensips.shmem $1
+SET shmem_total_size = $opensips_shmem_total_size
+SET shmem_used_size = $opensips_shmem_used_size
+SET shmem_real_used_size = $opensips_shmem_real_used_size
+SET shmem_max_used_size = $opensips_shmem_max_used_size
+SET shmem_free_size = $opensips_shmem_free_size
+END
+BEGIN opensips.shmem_fragments $1
+SET shmem_fragments = $opensips_shmem_fragments
+END
+VALUESEOF
+
+	return 0
+}
diff --git a/charts.d/postfix.chart.sh b/charts.d/postfix.chart.sh
new file mode 100755
index 00000000..d286f99f
--- /dev/null
+++ b/charts.d/postfix.chart.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+
+# the postqueue command
+# if empty, it will use the one found in the system path
+postfix_postqueue=
+
+# how frequently to collect queue size
+postfix_update_every=15
+
+postfix_priority=60000
+
+postfix_check() {
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	# try to find the postqueue executable
+	if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
+	then
+		postfix_postqueue="`which postqueue 2>/dev/null`"
+		if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
+		then
+			local d=
+			for d in /sbin /usr/sbin /usr/local/sbin
+			do
+				if [ -x "$d/postqueue" ]
+				then
+					postfix_postqueue="$d/postqueue"
+					break
+				fi
+			done
+		fi
+	fi
+
+	if [ -z "$postfix_postqueue" -o ! -x  "$postfix_postqueue" ]
+	then
+		echo >&2 "$PROGRAM_NAME: postfix: cannot find postqueue. Please set 'postfix_postqueue=/path/to/postqueue' in $confd/postfix.conf"
+		return 1
+	fi
+
+	return 0
+}
+
+postfix_create() {
+cat <<EOF
+CHART postfix.qemails '' "Postfix Queue Emails" "emails" queue postfix.queued.emails line $[postfix_priority + 1] $postfix_update_every
+DIMENSION emails '' absolute 1 1
+CHART postfix.qsize '' "Postfix Queue Emails Size" "emails size in KB" queue postfix.queued.size area $[postfix_priority + 2] $postfix_update_every
+DIMENSION size '' absolute 1 1
+EOF
+
+	return 0
+}
+
+postfix_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	# 1. execute postqueue -p
+	# 2. get the line that begins with --
+	# 3. match the 2 numbers on the line and output 2 lines like these:
+	#    local postfix_q_size=NUMBER
+	#    local postfix_q_emails=NUMBER
+	# 4. then execute this a script with the eval
+	#
+	# be very carefull with eval:
+	# prepare the script and always egrep at the end the lines that are usefull, so that
+	# even if something goes wrong, no other code can be executed
+	postfix_q_emails=0
+	postfix_q_size=0
+
+	eval "`$postfix_postqueue -p |\
+		grep "^--" |\
+		sed -e "s/-- \([0-9]\+\) Kbytes in \([0-9]\+\) Requests.$/local postfix_q_size=\1\nlocal postfix_q_emails=\2/g" |\
+		egrep "^local postfix_q_(emails|size)=[0-9]+$"`"
+
+	# write the result of the work.
+	cat <<VALUESEOF
+BEGIN postfix.qemails $1
+SET emails = $postfix_q_emails
+END
+BEGIN postfix.qsize $1
+SET size = $postfix_q_size
+END
+VALUESEOF
+
+	return 0
+}
diff --git a/charts.d/sensors.chart.sh b/charts.d/sensors.chart.sh
new file mode 100755
index 00000000..d14ddf0d
--- /dev/null
+++ b/charts.d/sensors.chart.sh
@@ -0,0 +1,238 @@
+#!/bin/sh
+
+# sensors docs
+# https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface
+
+# if this chart is called X.chart.sh, then all functions and global variables
+# must start with X_
+
+# the directory the kernel keeps sensor data
+sensors_sys_dir="${NETDATA_HOST_PREFIX}/sys/devices"
+
+# how deep in the tree to check for sensor data
+sensors_sys_depth=10
+
+# if set to 1, the script will overwrite internal
+# script functions with code generated ones
+# leave to 1, is faster
+sensors_source_update=1
+
+# how frequently to collect sensor data
+# the default is to collect it at every iteration of charts.d
+sensors_update_every=
+
+sensors_priority=90000
+
+sensors_find_all_files() {
+	find $1 -maxdepth $sensors_sys_depth -name \*_input -o -name temp 2>/dev/null
+}
+
+sensors_find_all_dirs() {
+	sensors_find_all_files $1 | while read
+	do
+		dirname $REPLY
+	done | sort -u
+}
+
+# _check is called once, to find out if this chart should be enabled or not
+sensors_check() {
+
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	[ -z "$( sensors_find_all_files $sensors_sys_dir )" ] && echo >&2 "$PROGRAM_NAME: sensors: no sensors found in '$sensors_sys_dir'." && return 1
+	return 0
+}
+
+sensors_check_files() {
+	# we only need sensors that report a non-zero value
+
+	local f= v=
+	for f in $*
+	do
+		[ ! -f "$f" ] && continue
+
+		v="$( cat $f )"
+		v=$(( v + 1 - 1 ))
+		[ $v -ne 0 ] && echo "$f" && continue
+
+		echo >&2 "$PROGRAM_NAME: sensors: $f gives zero values"
+	done
+}
+
+sensors_check_temp_type() {
+	# valid temp types are 1 to 6
+	# disabled sensors have the value 0
+
+	local f= t= v=
+	for f in $*
+	do
+		t=$( echo $f | sed "s|_input$|_type|g" )
+		[ "$f" = "$t" ] && echo "$f" && continue
+		[ ! -f "$t" ] && echo "$f" && continue
+
+		v="$( cat $t )"
+		v=$(( v + 1 - 1 ))
+		[ $v -ne 0 ] && echo "$f" && continue
+
+		echo >&2 "$PROGRAM_NAME: sensors: $f is disabled"
+	done
+}
+
+# _create is called once, to create the charts
+sensors_create() {
+	local path= dir= name= x= file= lfile= labelname= labelid= device= subsystem= id= type= mode= files= multiplier= divisor=
+
+	# we create a script with the source of the
+	# sensors_update() function
+	# - the highest speed we can achieve -
+	[ $sensors_source_update -eq 1 ] && echo >$TMP_DIR/sensors.sh "sensors_update() {"
+
+	for path in $( sensors_find_all_dirs $sensors_sys_dir | sort -u )
+	do
+		dir=$( basename $path )
+		device=
+		subsystem=
+		id=
+		type=
+		name=
+
+		[ -h $path/device ] && device=$( readlink -f $path/device )
+		[ ! -z "$device" ] && device=$( basename $device )
+		[ -z "$device" ] && device="$dir"
+
+		[ -h $path/subsystem ] && subsystem=$( readlink -f $path/subsystem )
+		[ ! -z "$subsystem" ] && subsystem=$( basename $subsystem )
+		[ -z "$subsystem" ] && subsystem="$dir"
+
+		[ -f $path/name ] && name=$( cat $path/name )
+		[ -z "$name" ] && name="$dir"
+
+		[ -f $path/type ] && type=$( cat $path/type )
+		[ -z "$type" ] && type="$dir"
+
+		id="$( fixid "$device.$subsystem.$dir" )"
+
+		echo >&2 "charts.d: sensors: on path='$path', dir='$dir', device='$device', subsystem='$subsystem', id='$id', name='$name'"
+
+		for mode in temperature voltage fans power current energy humidity
+		do
+			files=
+			multiplier=1
+			divisor=1
+			algorithm="absolute"
+
+			case $mode in
+				temperature)
+					files="$( ls $path/temp*_input 2>/dev/null; ls $path/temp 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					files="$( sensors_check_temp_type $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.temp_$id '' '$name Temperature' 'Celcius' 'temperature' 'sensors.temp' line $[sensors_priority + 1] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.temp_$id \$1\""
+					divisor=1000
+					;;
+
+				voltage)
+					files="$( ls $path/in*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.volt_$id '' '$name Voltage' 'Volts' 'voltage' 'sensors.volt' line $[sensors_priority + 2] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.volt_$id \$1\""
+					divisor=1000
+					;;
+
+				current)
+					files="$( ls $path/curr*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.curr_$id '' '$name Current' 'Ampere' 'current' 'sensors.curr' line $[sensors_priority + 3] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.curr_$id \$1\""
+					divisor=1000
+					;;
+
+				power)
+					files="$( ls $path/power*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.power_$id '' '$name Power' 'Watt' 'power' 'sensors.power' line $[sensors_priority + 4] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.power_$id \$1\""
+					divisor=1000000
+					;;
+
+				fans)
+					files="$( ls $path/fan*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.fan_$id '' '$name Fans Speed' 'Rotations / Minute' 'fans' 'sensors.fans' line $[sensors_priority + 5] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.fan_$id \$1\""
+					;;
+
+				energy)
+					files="$( ls $path/energy*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.energy_$id '' '$name Energy' 'Joule' 'energy' 'sensors.energy' areastack $[sensors_priority + 6] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.energy_$id \$1\""
+					algorithm="incremental"
+					divisor=1000000
+					;;
+
+				humidity)
+					files="$( ls $path/humidity*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.humidity_$id '' '$name Humidity' 'Percent' 'humidity' 'sensors.humidity' line $[sensors_priority + 7] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.humidity_$id \$1\""
+					divisor=1000
+					;;
+
+				*)
+					continue
+					;;
+			esac
+
+			for x in $files
+			do
+				file="$x"
+				fid="$( fixid "$file" )"
+				lfile="$( basename $file | sed "s|_input$|_label|g" )"
+				labelname="$( basename $file | sed "s|_input$||g" )"
+
+				if [ ! "$path/$lfile" = "$file" -a -f "$path/$lfile" ]
+					then
+					labelname="$( cat "$path/$lfile" )"
+				fi
+
+				echo "DIMENSION $fid '$labelname' $algorithm $multiplier $divisor"
+				echo >>$TMP_DIR/sensors.sh "printf \"SET $fid = \"; cat $file "
+			done
+
+			echo >>$TMP_DIR/sensors.sh "echo END"
+		done
+	done
+
+	[ $sensors_source_update -eq 1 ] && echo >>$TMP_DIR/sensors.sh "}"
+	# cat >&2 $TMP_DIR/sensors.sh
+
+	# ok, load the function sensors_update() we created
+	[ $sensors_source_update -eq 1 ] && . $TMP_DIR/sensors.sh
+
+	return 0
+}
+
+# _update is called continiously, to collect the values
+sensors_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	[ $sensors_source_update -eq 0 ] && . $TMP_DIR/sensors.sh $1
+
+	return 0
+}
+
diff --git a/charts.d/squid.chart.sh b/charts.d/squid.chart.sh
new file mode 100755
index 00000000..6260ce97
--- /dev/null
+++ b/charts.d/squid.chart.sh
@@ -0,0 +1,145 @@
+#!/bin/sh
+
+squid_host=
+squid_port=
+squid_url=
+squid_timeout=2
+squid_update_every=5
+squid_priority=60000
+
+squid_get_stats_internal() {
+	local host="$1" port="$2" url="$3"
+
+	nc -w $squid_timeout $host $port <<EOF
+GET $url HTTP/1.0
+Host: $host:$port
+Accept: */*
+User-Agent: netdata (charts.d/squid.chart.sh)
+
+EOF
+}
+
+squid_get_stats() {
+	squid_get_stats_internal "$squid_host" "$squid_port" "$squid_url"
+}
+
+squid_autodetect() {
+	local host="127.0.0.1" port url x
+
+	for port in 3128 8080
+	do
+		for url in "cache_object://$host:$port/counters" "/squid-internal-mgr/counters"
+		do
+			x=$(squid_get_stats_internal "$host" "$port" "$url" | grep client_http.requests)
+			if [ ! -z "$x" ]
+				then
+				squid_host="$host"
+				squid_port="$port"
+				squid_url="$url"
+				echo >&2 "squid: found squid at '$host:$port' with url '$url'"
+				return 0
+			fi
+		done
+	done
+
+	echo >&2 "squid: cannot find squid running in localhost. Please set squid_url='url' and squid_host='IP' and squid_port='PORT' in $confd/squid.conf"
+	return 1
+}
+
+squid_check() {
+	require_cmd nc    || return 1
+	require_cmd sed   || return 1
+	require_cmd egrep || return 1
+
+	if [ -z "$squid_host" -o -z "$squid_port" -o -z "$squid_url" ]
+		then
+		squid_autodetect || return 1
+	fi
+
+	# check once if the url works
+	local x="$(squid_get_stats | grep client_http.requests)"
+	if [ ! $? -eq 0 -o -z "$x" ]
+	then
+		echo >&2 "squid: cannot fetch URL '$squid_url' by connecting to $squid_host:$squid_port. Please set squid_url='url' and squid_host='host' and squid_port='port' in $confd/squid.conf"
+		return 1
+	fi
+
+	return 0
+}
+
+squid_create() {
+	# create the charts
+	cat <<EOF
+CHART squid.clients_net '' "Squid Client Bandwidth" "kilobits / sec" clients squid.clients.net area $[squid_priority + 1] $squid_update_every
+DIMENSION client_http_kbytes_in in incremental 8 1
+DIMENSION client_http_kbytes_out out incremental -8 1
+DIMENSION client_http_hit_kbytes_out hits incremental -8 1
+
+CHART squid.clients_requests '' "Squid Client Requests" "requests / sec" clients squid.clients.requests line $[squid_priority + 3] $squid_update_every
+DIMENSION client_http_requests requests incremental 1 1
+DIMENSION client_http_hits hits incremental 1 1
+DIMENSION client_http_errors errors incremental -1 1
+
+CHART squid.servers_net '' "Squid Server Bandwidth" "kilobits / sec" servers squid.servers.net area $[squid_priority + 2] $squid_update_every
+DIMENSION server_all_kbytes_in in incremental 8 1
+DIMENSION server_all_kbytes_out out incremental -8 1
+
+CHART squid.servers_requests '' "Squid Server Requests" "requests / sec" servers squid.servers.requests line $[squid_priority + 4] $squid_update_every
+DIMENSION server_all_requests requests incremental 1 1
+DIMENSION server_all_errors errors incremental -1 1
+EOF
+
+	return 0
+}
+
+
+squid_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	# 1. get the counters page from squid
+	# 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local squid_
+	# 3. egrep lines starting with:
+	#    local squid_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
+	#    local squid_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
+	# 4. then execute this as a script with the eval
+	#
+	# be very carefull with eval:
+	# prepare the script and always grep at the end the lines that are usefull, so that
+	# even if something goes wrong, no other code can be executed
+
+	eval "$(squid_get_stats |\
+		 sed -e "s/ \+/ /g" -e "s/\./_/g" -e "s/^\([a-z0-9_]\+\) *= *\([0-9]\+\)$/local squid_\1=\2/g" |\
+		egrep "^local squid_(client_http|server_all)_[a-z0-9_]+=[0-9]+$")"
+
+	# write the result of the work.
+	cat <<VALUESEOF
+BEGIN squid.clients_net $1
+SET client_http_kbytes_in = $squid_client_http_kbytes_in
+SET client_http_kbytes_out = $squid_client_http_kbytes_out
+SET client_http_hit_kbytes_out = $squid_client_http_hit_kbytes_out
+END
+
+BEGIN squid.clients_requests $1
+SET client_http_requests = $squid_client_http_requests
+SET client_http_hits = $squid_client_http_hits
+SET client_http_errors = $squid_client_http_errors
+END
+
+BEGIN squid.servers_net $1
+SET server_all_kbytes_in = $squid_server_all_kbytes_in
+SET server_all_kbytes_out = $squid_server_all_kbytes_out
+END
+
+BEGIN squid.servers_requests $1
+SET server_all_requests = $squid_server_all_requests
+SET server_all_errors = $squid_server_all_errors
+END
+VALUESEOF
+
+	return 0
+}
diff --git a/conf.d/Makefile.am b/conf.d/Makefile.am
new file mode 100644
index 00000000..381b546e
--- /dev/null
+++ b/conf.d/Makefile.am
@@ -0,0 +1,9 @@
+#
+# Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
+#
+MAINTAINERCLEANFILES= $(srcdir)/Makefile.in
+
+dist_config_DATA = \
+	apps_groups.conf \
+	charts.d.conf \
+	$(NULL)
diff --git a/conf.d/apps_groups.conf b/conf.d/apps_groups.conf
new file mode 100644
index 00000000..195118f4
--- /dev/null
+++ b/conf.d/apps_groups.conf
@@ -0,0 +1,65 @@
+#
+# apps.plugin process grouping
+#
+# The apps.plugin displays charts with information about the processes running.
+# This config allows grouping processes together, so that several processes
+# will be reported together.
+#
+# Only groups in this file are reported. All other processes will be reported
+# as 'other'.
+#
+# For each process given, its whole process tree will be grouped, not just
+# the process matched. The plugin will include both parents and childs.
+#
+# The format is:
+#
+# group_name: process1 process2 process3 ...
+#
+# The process names are the same to the ones returned by: ps -e
+#
+# If a group_name starts with a -, the dimension will be hidden (cpu chart only)
+#
+
+compile: cc1 cc1plus as gcc ld make automake autoconf git
+rsync: rsync
+media: mplayer vlc xine mediatomb omxplayer omxplayer.bin kodi kodi.bin xbmc xbmc.bin mediacenter eventlircd
+squid: squid squid2 squid3
+apache: apache apache2
+mysql: mysqld mysql
+asterisk: asterisk
+opensips: opensips opensips-mi-pro stund
+radius: radiusd radiusclient
+fail2ban: fail2ban-server
+mail: dovecot imapd pop3d
+postfix: master
+nginx: nginx
+splunk: splunkd
+mongo: mongod
+lighttpd: lighttpd
+ftpd: proftpd in.tftpd
+samba: smbd nmbd winbindd
+nfs: rpcbind rpc.statd rpc.idmapd rpc.mountd nfsd4 nfsd4_callbacks nfsd nfsiod
+ssh: ssh sshd scp
+X: X lightdm xdm pulseaudio gkrellm
+xfce: xfwm4 xfdesktop xfce4-appfinder Thunar xfsettingsd xfce4-panel
+gnome: gnome-session gdm gconfd-2 gnome-terminal gnome-screensaver gnome-settings-daemon
+named: named rncd
+clam: clamd freshclam
+cups: cupsd cups-browsed
+ntp: ntpq ntpd
+deluge: deluge deluged
+vbox: vboxwebsrv VBoxXPCOMIPCD VBoxSVC
+log: ulogd syslogd syslog-ng rsyslogd logrotate
+nms: snmpd vnstatd smokeping zabbix_agentd monit munin-node mon openhpid
+ppp: ppp pppd pptpd pptpctrl
+inetd: inetd xinetd
+openvpn: openvpn
+cron: cron atd
+ha: corosync hs_logd ha_logd stonithd
+ipvs: ipvs_syncmaster ipvs_syncbackup
+kernel: kthreadd kauditd lockd khelper kdevtmpfs khungtaskd rpciod fsnotify_mark kthrotld iscsi_eh deferwq
+netdata: netdata apps.plugin charts.d.plugin
+crsproxy: crsproxy
+wifi: hostapd wpa_supplicant
+system: systemd-journal systemd-udevd systemd-logind udisks-glue udisks-daemon udevd udevd connmand ipv6_addrconf dbus-daemon
+ksmd: ksmd
diff --git a/conf.d/charts.d.conf b/conf.d/charts.d.conf
new file mode 100644
index 00000000..f284c3b7
--- /dev/null
+++ b/conf.d/charts.d.conf
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# This is the configuration for charts.d.plugin
+
+# Each of its collectors can read configuration eiher from this file
+# or a NAME.conf file (where NAME is the collector name).
+# The collector specific file has higher precedence.
+
+# This file is a shell script too.
+
+# -----------------------------------------------------------------------------
+
+# number of seconds to run without restart
+# after this time, charts.d.plugin will exit
+# netdata will restart it, but a small gap
+# will appear in the charts.d.plugin charts.
+#restart_timeout=$[3600 * 4]
+
+# when making iterations, charts.d can loop more frequently
+# to prevent plugins missing iterations.
+# this is a percentage relative to update_every to align its
+# iterations.
+# The minimum is 10%, the maximum 100%.
+# So, if update_every is 1 second and time_divisor is 50,
+# charts.d will iterate every 500ms.
+# Charts will be called to collect data only if the time
+# passed since the last time the collected data is equal or
+# above their update_every.
+#time_divisor=50
+
+# -----------------------------------------------------------------------------
+
+# the default enable/disable for all charts.d collectors
+#enable_all_charts="yes"
+
+# per charts.d collector enable/disable
+#nut=yes
+#squid=yes
+#postfix=yes
+#sensors=yes
+#cpufreq=yes
+#mysql=yes
+#example=yes
+#load_average=yes
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 00000000..5aa31be3
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,170 @@
+#
+# Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
+#
+AC_PREREQ(2.60)
+
+define([VERSION_MAJOR], [1])
+define([VERSION_MINOR], [0])
+define([VERSION_FIX], [0])
+define([VERSION_NUMBER], VERSION_MAJOR[.]VERSION_MINOR[.]VERSION_FIX)
+define([VERSION_SUFFIX], [])
+
+dnl Set to "1" for a first RPM release of a new version
+PACKAGE_RPM_RELEASE="1"
+
+AC_INIT([netdata], VERSION_NUMBER[]VERSION_SUFFIX)
+
+AM_MAINTAINER_MODE([disable])
+if test x"$USE_MAINTAINER_MODE" = xyes; then
+AC_MSG_NOTICE(***************** MAINTAINER MODE *****************)
+PACKAGE_BUILT_DATE=$(date '+%d %b %Y')
+fi
+
+PACKAGE_RPM_VERSION="VERSION_NUMBER"
+AC_SUBST([PACKAGE_RPM_VERSION])
+AC_SUBST([PACKAGE_RPM_RELEASE])
+
+AC_CONFIG_AUX_DIR([.])
+AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_SRCDIR([src/main.c])
+AM_INIT_AUTOMAKE
+AC_CANONICAL_HOST
+AC_PROG_CC
+AC_PROG_INSTALL
+PKG_PROG_PKG_CONFIG
+AC_USE_SYSTEM_EXTENSIONS
+
+AC_ARG_ENABLE(
+	[plugin-nfacct],
+	[AS_HELP_STRING([--enable-plugin-nfacct], [enable nfacct plugin, requires root])],
+	,
+	[enable_plugin_nfacct="no"]
+)
+AC_ARG_ENABLE(
+	[pedantic],
+	[AS_HELP_STRING([--enable-pedantic], [enable pedantic compiler warnings])],
+	,
+	[enable_pedantic="no"]
+)
+AC_ARG_WITH(
+	[webdir],
+	[AS_HELP_STRING([--with-webdir], [location of webdir @<:@PKGDATADIR/web@:>@])],
+	[webdir="${withval}"],
+	[webdir="\$(pkgdatadir)/web"]
+)
+AC_ARG_WITH(
+	[zlib],
+	[AS_HELP_STRING([--with-zlib], [build with zlib])],
+	,
+	[with_zlib="yes"]
+)
+AC_ARG_WITH(
+	[math],
+	[AS_HELP_STRING([--with-math], [build with math])],
+	,
+	[with_math="yes"]
+)
+AC_ARG_WITH(
+	[user],
+	[AS_HELP_STRING([--with-user], [use this user to drop privilege])],
+	,
+	[with_user="nobody"]
+)
+
+ACX_PTHREAD(, [AC_MSG_ERROR([Cannot initialize pthread environment])])
+LIBS="${PTHREAD_LIBS} ${LIBS}"
+CFLAGS="${CFLAGS} ${PTHREAD_CFLAGS}"
+CC="${PTHREAD_CC}"
+
+AC_TYPE_UINT8_T
+AC_TYPE_UINT16_T
+AC_TYPE_UINT32_T
+AC_C_INLINE
+
+AC_ARG_VAR([MATH_CFLAGS], [C compiler flags for math])
+AC_ARG_VAR([MATH_LIBS], [linker flags for math])
+if test -z "${MATH_LIBS}"; then
+	AC_CHECK_LIB(
+		[m],
+		[sin],
+		[MATH_LIBS="-lm"]
+	)
+fi
+
+if test "${enable_plugin_nfacct}" = "yes"; then
+	PKG_CHECK_MODULES(
+		[NFACCT],
+		[libnetfilter_acct],
+	)
+	PKG_CHECK_MODULES(
+		[LIBMNL],
+		[libmnl],
+	)
+	test -z "${NFACCT_LIBS}" && AC_MSG_ERROR([netfilter_acct required but not found])
+	test -z "${LIBMNL_LIBS}" && AC_MSG_ERROR([libmnl required but not found])
+	AC_DEFINE([INTERNAL_PLUGIN_NFACCT], [1], [nfacct plugin settings])
+	OPTIONAL_NFACCT_CLFAGS="${NFACCT_CFLAGS} ${LIBMNL_CFLAGS}"
+	OPTIONAL_NFACCT_LIBS="${NFACCT_LIBS} ${LIBMNL_LIBS}"
+fi
+if test "${with_zlib}" = "yes"; then
+	PKG_CHECK_MODULES(
+		[ZLIB],
+		[zlib],
+	)
+	test -z "${ZLIB_LIBS}" && AC_MSG_ERROR([zlib required but not found])
+	AC_DEFINE([NETDATA_WITH_ZLIB], [1], [zlib settings])
+	OPTIONAL_ZLIB_CLFAGS="${ZLIB_CFLAGS}"
+	OPTIONAL_ZLIB_LIBS="${ZLIB_LIBS}"
+fi
+if test "${with_math}" = "yes"; then
+	test -z "${MATH_LIBS}" && AC_MSG_ERROR([math required but not found])
+	AC_DEFINE([STORAGE_WITH_MATH], [1], [math settings])
+	OPTIONAL_MATH_CFLAGS="${MATH_CFLAGS}"
+	OPTIONAL_MATH_LIBS="${MATH_LIBS}"
+fi
+
+if test "${GCC}" = "yes"; then
+	AC_DEFINE_UNQUOTED([likely(x)], [__builtin_expect(!!(x), 1)], [gcc branch optimization])
+	AC_DEFINE_UNQUOTED([unlikely(x)], [__builtin_expect(!!(x), 0)], [gcc branch optimization])
+else
+	AC_DEFINE_UNQUOTED([likely(x)], [(x)], [gcc branch optimization])
+	AC_DEFINE_UNQUOTED([unlikely(x)], [(x)], [gcc branch optimization])
+fi
+
+if test "${enable_pedantic}" = "yes"; then
+	enable_strict="yes"
+	CFLAGS="${CFLAGS} -pedantic -Wall -Wextra -Wno-long-long"
+fi
+
+AC_DEFINE_UNQUOTED([NETDATA_USER], ["${with_user}"], [use this user to drop privileged])
+
+AC_SUBST([cachedir], ["\$(localstatedir)/cache/netdata"])
+AC_SUBST([chartsdir], ["\$(libexecdir)/netdata/charts.d"])
+AC_SUBST([nodedir], ["\$(libexecdir)/netdata/node.d"])
+AC_SUBST([configdir], ["\$(sysconfdir)/netdata"])
+AC_SUBST([logdir], ["\$(localstatedir)/log/netdata"])
+AC_SUBST([pluginsdir], ["\$(libexecdir)/netdata/plugins.d"])
+AC_SUBST([webdir])
+
+AC_SUBST([OPTIONAL_MATH_CLFAGS])
+AC_SUBST([OPTIONAL_MATH_LIBS])
+AC_SUBST([OPTIONAL_NFACCT_CLFAGS])
+AC_SUBST([OPTIONAL_NFACCT_LIBS])
+AC_SUBST([OPTIONAL_ZLIB_CLFAGS])
+AC_SUBST([OPTIONAL_ZLIB_LIBS])
+
+AC_CONFIG_FILES([
+	Makefile
+	charts.d/Makefile
+	node.d/Makefile
+	conf.d/Makefile
+	netdata.spec
+	plugins.d/Makefile
+	src/Makefile
+	web/Makefile
+])
+AC_OUTPUT
+
+test "${with_math}" != "yes" && AC_MSG_WARN([You are building without math. math allows accurate calculations. It should be enabled.]) || :
+test "${with_zlib}" != "yes" && AC_MSG_WARN([You are building without zlib. zlib allows netdata to trasnfer a lot less data with web clients. It should be enabled.]) || :
diff --git a/hooks/post-commit b/hooks/post-commit
new file mode 100755
index 00000000..a1d41c71
--- /dev/null
+++ b/hooks/post-commit
@@ -0,0 +1,5 @@
+#!/bin/sh
+if [ -x ./packaging/update-tags ]
+then
+  exec git diff HEAD^ | ./packaging/update-tags -
+fi
diff --git a/hooks/pre-commit b/hooks/pre-commit
new file mode 100755
index 00000000..fb2209f0
--- /dev/null
+++ b/hooks/pre-commit
@@ -0,0 +1,5 @@
+#!/bin/sh
+if [ -x ./packaging/check-files ]
+then
+  exec git diff --cached | ./packaging/check-files -
+fi
diff --git a/hooks/prepare-commit-msg b/hooks/prepare-commit-msg
new file mode 100755
index 00000000..530f9576
--- /dev/null
+++ b/hooks/prepare-commit-msg
@@ -0,0 +1,2 @@
+#!/bin/sh
+test -x ./packaging/release-msg && exec ./packaging/release-msg "$@"
diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4
new file mode 100644
index 00000000..d383ad5c
--- /dev/null
+++ b/m4/ax_pthread.m4
@@ -0,0 +1,332 @@
+# ===========================================================================
+#        http://www.gnu.org/software/autoconf-archive/ax_pthread.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+#
+# DESCRIPTION
+#
+#   This macro figures out how to build C programs using POSIX threads. It
+#   sets the PTHREAD_LIBS output variable to the threads library and linker
+#   flags, and the PTHREAD_CFLAGS output variable to any special C compiler
+#   flags that are needed. (The user can also force certain compiler
+#   flags/libs to be tested by setting these environment variables.)
+#
+#   Also sets PTHREAD_CC to any special C compiler that is needed for
+#   multi-threaded programs (defaults to the value of CC otherwise). (This
+#   is necessary on AIX to use the special cc_r compiler alias.)
+#
+#   NOTE: You are assumed to not only compile your program with these flags,
+#   but also link it with them as well. e.g. you should link with
+#   $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
+#
+#   If you are only building threads programs, you may wish to use these
+#   variables in your default LIBS, CFLAGS, and CC:
+#
+#     LIBS="$PTHREAD_LIBS $LIBS"
+#     CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+#     CC="$PTHREAD_CC"
+#
+#   In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
+#   has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
+#   (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
+#
+#   Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
+#   PTHREAD_PRIO_INHERIT symbol is defined when compiling with
+#   PTHREAD_CFLAGS.
+#
+#   ACTION-IF-FOUND is a list of shell commands to run if a threads library
+#   is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it
+#   is not found. If ACTION-IF-FOUND is not specified, the default action
+#   will define HAVE_PTHREAD.
+#
+#   Please let the authors know if this macro fails on any platform, or if
+#   you have any other suggestions or comments. This macro was based on work
+#   by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help
+#   from M. Frigo), as well as ac_pthread and hb_pthread macros posted by
+#   Alejandro Forero Cuervo to the autoconf macro repository. We are also
+#   grateful for the helpful feedback of numerous users.
+#
+#   Updated for Autoconf 2.68 by Daniel Richard G.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
+#   Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG>
+#
+#   This program is free software: you can redistribute it and/or modify it
+#   under the terms of the GNU General Public License as published by the
+#   Free Software Foundation, either version 3 of the License, or (at your
+#   option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+#   Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright owner
+#   gives unlimited permission to copy, distribute and modify the configure
+#   scripts that are the output of Autoconf when processing the Macro. You
+#   need not follow the terms of the GNU General Public License when using
+#   or distributing such scripts, even though portions of the text of the
+#   Macro appear in them. The GNU General Public License (GPL) does govern
+#   all other use of the material that constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the Autoconf
+#   Macro released by the Autoconf Archive. When you make and distribute a
+#   modified version of the Autoconf Macro, you may extend this special
+#   exception to the GPL to apply to your modified version as well.
+
+#serial 21
+
+AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
+AC_DEFUN([AX_PTHREAD], [
+AC_REQUIRE([AC_CANONICAL_HOST])
+AC_LANG_PUSH([C])
+ax_pthread_ok=no
+
+# We used to check for pthread.h first, but this fails if pthread.h
+# requires special compiler flags (e.g. on True64 or Sequent).
+# It gets checked for in the link test anyway.
+
+# First of all, check if the user has set any of the PTHREAD_LIBS,
+# etcetera environment variables, and if threads linking works using
+# them:
+if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
+        save_CFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+        save_LIBS="$LIBS"
+        LIBS="$PTHREAD_LIBS $LIBS"
+        AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
+        AC_TRY_LINK_FUNC([pthread_join], [ax_pthread_ok=yes])
+        AC_MSG_RESULT([$ax_pthread_ok])
+        if test x"$ax_pthread_ok" = xno; then
+                PTHREAD_LIBS=""
+                PTHREAD_CFLAGS=""
+        fi
+        LIBS="$save_LIBS"
+        CFLAGS="$save_CFLAGS"
+fi
+
+# We must check for the threads library under a number of different
+# names; the ordering is very important because some systems
+# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
+# libraries is broken (non-POSIX).
+
+# Create a list of thread flags to try.  Items starting with a "-" are
+# C compiler flags, and other items are library names, except for "none"
+# which indicates that we try without any flags at all, and "pthread-config"
+# which is a program returning the flags for the Pth emulation library.
+
+ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
+
+# The ordering *is* (sometimes) important.  Some notes on the
+# individual items follow:
+
+# pthreads: AIX (must check this before -lpthread)
+# none: in case threads are in libc; should be tried before -Kthread and
+#       other compiler flags to prevent continual compiler warnings
+# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
+# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
+# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
+# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
+# -pthreads: Solaris/gcc
+# -mthreads: Mingw32/gcc, Lynx/gcc
+# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
+#      doesn't hurt to check since this sometimes defines pthreads too;
+#      also defines -D_REENTRANT)
+#      ... -mt is also the pthreads flag for HP/aCC
+# pthread: Linux, etcetera
+# --thread-safe: KAI C++
+# pthread-config: use pthread-config program (for GNU Pth library)
+
+case ${host_os} in
+        solaris*)
+
+        # On Solaris (at least, for some versions), libc contains stubbed
+        # (non-functional) versions of the pthreads routines, so link-based
+        # tests will erroneously succeed.  (We need to link with -pthreads/-mt/
+        # -lpthread.)  (The stubs are missing pthread_cleanup_push, or rather
+        # a function called by this macro, so we could check for that, but
+        # who knows whether they'll stub that too in a future libc.)  So,
+        # we'll just look for -pthreads and -lpthread first:
+
+        ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
+        ;;
+
+        darwin*)
+        ax_pthread_flags="-pthread $ax_pthread_flags"
+        ;;
+esac
+
+# Clang doesn't consider unrecognized options an error unless we specify
+# -Werror. We throw in some extra Clang-specific options to ensure that
+# this doesn't happen for GCC, which also accepts -Werror.
+
+AC_MSG_CHECKING([if compiler needs -Werror to reject unknown flags])
+save_CFLAGS="$CFLAGS"
+ax_pthread_extra_flags="-Werror"
+CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument"
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int foo(void);],[foo()])],
+                  [AC_MSG_RESULT([yes])],
+                  [ax_pthread_extra_flags=
+                   AC_MSG_RESULT([no])])
+CFLAGS="$save_CFLAGS"
+
+if test x"$ax_pthread_ok" = xno; then
+for flag in $ax_pthread_flags; do
+
+        case $flag in
+                none)
+                AC_MSG_CHECKING([whether pthreads work without any flags])
+                ;;
+
+                -*)
+                AC_MSG_CHECKING([whether pthreads work with $flag])
+                PTHREAD_CFLAGS="$flag"
+                ;;
+
+                pthread-config)
+                AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
+                if test x"$ax_pthread_config" = xno; then continue; fi
+                PTHREAD_CFLAGS="`pthread-config --cflags`"
+                PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
+                ;;
+
+                *)
+                AC_MSG_CHECKING([for the pthreads library -l$flag])
+                PTHREAD_LIBS="-l$flag"
+                ;;
+        esac
+
+        save_LIBS="$LIBS"
+        save_CFLAGS="$CFLAGS"
+        LIBS="$PTHREAD_LIBS $LIBS"
+        CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags"
+
+        # Check for various functions.  We must include pthread.h,
+        # since some functions may be macros.  (On the Sequent, we
+        # need a special flag -Kthread to make this header compile.)
+        # We check for pthread_join because it is in -lpthread on IRIX
+        # while pthread_create is in libc.  We check for pthread_attr_init
+        # due to DEC craziness with -lpthreads.  We check for
+        # pthread_cleanup_push because it is one of the few pthread
+        # functions on Solaris that doesn't have a non-functional libc stub.
+        # We try pthread_create on general principles.
+        AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
+                        static void routine(void *a) { a = 0; }
+                        static void *start_routine(void *a) { return a; }],
+                       [pthread_t th; pthread_attr_t attr;
+                        pthread_create(&th, 0, start_routine, 0);
+                        pthread_join(th, 0);
+                        pthread_attr_init(&attr);
+                        pthread_cleanup_push(routine, 0);
+                        pthread_cleanup_pop(0) /* ; */])],
+                [ax_pthread_ok=yes],
+                [])
+
+        LIBS="$save_LIBS"
+        CFLAGS="$save_CFLAGS"
+
+        AC_MSG_RESULT([$ax_pthread_ok])
+        if test "x$ax_pthread_ok" = xyes; then
+                break;
+        fi
+
+        PTHREAD_LIBS=""
+        PTHREAD_CFLAGS=""
+done
+fi
+
+# Various other checks:
+if test "x$ax_pthread_ok" = xyes; then
+        save_LIBS="$LIBS"
+        LIBS="$PTHREAD_LIBS $LIBS"
+        save_CFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+
+        # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
+        AC_MSG_CHECKING([for joinable pthread attribute])
+        attr_name=unknown
+        for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
+            AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
+                           [int attr = $attr; return attr /* ; */])],
+                [attr_name=$attr; break],
+                [])
+        done
+        AC_MSG_RESULT([$attr_name])
+        if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
+            AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], [$attr_name],
+                               [Define to necessary symbol if this constant
+                                uses a non-standard name on your system.])
+        fi
+
+        AC_MSG_CHECKING([if more special flags are required for pthreads])
+        flag=no
+        case ${host_os} in
+            aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
+            osf* | hpux*) flag="-D_REENTRANT";;
+            solaris*)
+            if test "$GCC" = "yes"; then
+                flag="-D_REENTRANT"
+            else
+                # TODO: What about Clang on Solaris?
+                flag="-mt -D_REENTRANT"
+            fi
+            ;;
+        esac
+        AC_MSG_RESULT([$flag])
+        if test "x$flag" != xno; then
+            PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
+        fi
+
+        AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
+            [ax_cv_PTHREAD_PRIO_INHERIT], [
+                AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
+                                                [[int i = PTHREAD_PRIO_INHERIT;]])],
+                    [ax_cv_PTHREAD_PRIO_INHERIT=yes],
+                    [ax_cv_PTHREAD_PRIO_INHERIT=no])
+            ])
+        AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
+            [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])])
+
+        LIBS="$save_LIBS"
+        CFLAGS="$save_CFLAGS"
+
+        # More AIX lossage: compile with *_r variant
+        if test "x$GCC" != xyes; then
+            case $host_os in
+                aix*)
+                AS_CASE(["x/$CC"],
+                  [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
+                  [#handle absolute path differently from PATH based program lookup
+                   AS_CASE(["x$CC"],
+                     [x/*],
+                     [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
+                     [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
+                ;;
+            esac
+        fi
+fi
+
+test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
+
+AC_SUBST([PTHREAD_LIBS])
+AC_SUBST([PTHREAD_CFLAGS])
+AC_SUBST([PTHREAD_CC])
+
+# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
+if test x"$ax_pthread_ok" = xyes; then
+        ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
+        :
+else
+        ax_pthread_ok=no
+        $2
+fi
+AC_LANG_POP
+])dnl AX_PTHREAD
diff --git a/netdata-9999.ebuild b/netdata-9999.ebuild
new file mode 100644
index 00000000..768b9ec1
--- /dev/null
+++ b/netdata-9999.ebuild
@@ -0,0 +1,47 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+inherit autotools git-2 user
+
+DESCRIPTION="Linux real time system monitoring, over the web!"
+HOMEPAGE="https://github.com/firehol/netdata"
+EGIT_REPO_URI="https://github.com/firehol/netdata"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS=""
+IUSE="nfacct +zlib"
+
+RDEPEND="zlib? ( sys-libs/zlib )
+	nfacct? (
+		net-firewall/nfacct
+		net-libs/libmnl
+	)"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig"
+
+pkg_setup() {
+	enewgroup netdata
+	enewuser netdata -1 -1 / netdata
+}
+
+src_prepare() {
+	eautoreconf
+}
+
+src_configure() {
+	econf \
+		--localstatedir="${EROOT}var" \
+		$(use_enable nfacct plugin-nfacct) \
+		$(use_with zlib) \
+		--with-user=netdata
+}
+
+src_install() {
+	default
+	fowners netdata /var/log/netdata
+	rm -fr "${ED}/var/cache/netdata"
+}
diff --git a/netdata-installer.sh b/netdata-installer.sh
new file mode 100755
index 00000000..7f21a137
--- /dev/null
+++ b/netdata-installer.sh
@@ -0,0 +1,446 @@
+#!/bin/bash
+
+LC_ALL=C
+
+# you can set CFLAGS before running installer
+CFLAGS="${CFLAGS--O3}"
+
+ME="$0"
+DONOTSTART=0
+DONOTWAIT=0
+NETDATA_PREFIX=
+ZLIB_IS_HERE=0
+
+usage() {
+	cat <<USAGE
+
+${ME} <installer options>
+
+Valid <installer options> are:
+
+   --install /PATH/TO/INSTALL
+
+        If your give: --install /opt
+        netdata will be installed in /opt/netdata
+
+   --dont-start-it
+
+        Do not (re)start netdata.
+        Just install it.
+
+   --dont-wait
+
+        Do not wait for the user to press ENTER.
+        Start immediately building it.
+
+   --zlib-is-really-here
+
+        If you get errors about missing zlib,
+        but you know it is available,
+        you have a broken pkg-config.
+        Use this option to allow it continue
+        without checking pkg-config.
+
+Netdata will by default be compiled with gcc optimization -O3
+If you need to pass different CFLAGS, use something like this:
+
+  CFLAGS="<gcc options>" $ME <installer options>
+
+For the installer to complete successfully, you will need
+these packages installed:
+
+   gcc make autoconf automake pkg-config zlib1g-dev
+
+For the plugins, you will at least need:
+
+   curl node
+
+USAGE
+}
+
+while [ ! -z "${1}" ]
+do
+	if [ "$1" = "--install" ]
+		then
+		NETDATA_PREFIX="${2}/netdata"
+		shift 2
+	elif [ "$1" = "--zlib-is-really-here" ]
+		then
+		ZLIB_IS_HERE=1
+		shift 1
+	elif [ "$1" = "--dont-start-it" ]
+		then
+		DONOTSTART=1
+		shift 1
+	elif [ "$1" = "--dont-wait" ]
+		then
+		DONOTWAIT=1
+		shift 1
+	elif [ "$1" = "--help" -o "$1" = "-h" ]
+		then
+		usage
+		exit 1
+	else
+		echo >&2
+		echo >&2 "ERROR:"
+		echo >&2 "I cannot understand option '$1'."
+		usage
+		exit 1
+	fi
+done
+
+cat <<BANNER
+
+Welcome to netdata!
+Nice to see you are giving it a try!
+
+You are about to build and install netdata to your system.
+
+It will be installed at these locations:
+
+  - the daemon    at ${NETDATA_PREFIX}/usr/sbin/netdata
+  - config files  at ${NETDATA_PREFIX}/etc/netdata
+  - web files     at ${NETDATA_PREFIX}/usr/share/web/netdata
+  - plugins       at ${NETDATA_PREFIX}/usr/libexec/netdata
+  - cache files   at ${NETDATA_PREFIX}/var/cache/netdata
+  - log files     at ${NETDATA_PREFIX}/var/log/netdata
+
+This installer allows you to change the installation path.
+Press Control-C and run the same command with --help for help.
+
+BANNER
+
+if [ ! "${UID}" = 0 -o "$1" = "-h" -o "$1" = "--help" ]
+	then
+	echo >&2
+	echo >&2 "You have to run netdata as root."
+	echo >&2 "The netdata daemon will drop priviliges"
+	echo >&2 "but you have to start it as root."
+	echo >&2
+	exit 1
+fi
+
+if [ ${DONOTWAIT} -eq 0 ]
+	then
+	if [ ! -z "${NETDATA_PREFIX}" ]
+		then
+		read -p "Press ENTER to build and install netdata to '${NETDATA_PREFIX}' > "
+	else
+		read -p "Press ENTER to build and install netdata to your system > "
+	fi
+fi
+
+# reload the profile
+[ -f /etc/profile ] && . /etc/profile
+
+build_error() {
+	cat <<EOF
+
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Sorry! NetData failed to build...
+
+You many need to check these:
+
+1. The package zlib1g-dev has to be installed.
+
+2. You need basic build tools installed, like:
+
+   gcc make autoconf automake pkg-config
+
+3. If your system cannot find ZLIB, although it is installed
+   run me with the option:  --zlib-is-really-here
+
+If you still cannot get it to build, ask for help at github:
+
+   https://github.com/firehol/netdata/issues
+
+
+EOF
+	trap - EXIT
+	exit 1
+}
+
+run() {
+	printf >&2 ":-----------------------------------------------------------------------------\n"
+	printf >&2 "Running command:\n"
+	printf >&2 "\n"
+	printf >&2 "%q " "${@}"
+	printf >&2 "\n"
+	printf >&2 "\n"
+
+	"${@}"
+}
+
+if [ ${ZLIB_IS_HERE} -eq 1 ]
+	then
+	shift
+	echo >&2 "ok, assuming zlib is really installed."
+	export ZLIB_CFLAGS=" "
+	export ZLIB_LIBS="-lz"
+fi
+
+trap build_error EXIT
+
+echo >&2 "Running ./autogen.sh ..."
+run ./autogen.sh || exit 1
+
+echo >&2 "Running ./configure ..."
+run ./configure \
+	--prefix="${NETDATA_PREFIX}/usr" \
+	--sysconfdir="${NETDATA_PREFIX}/etc" \
+	--localstatedir="${NETDATA_PREFIX}/var" \
+	--with-zlib --with-math --with-user=netdata \
+	CFLAGS="${CFLAGS}" || exit 1
+
+# remove the build_error hook
+trap - EXIT
+
+if [ -f src/netdata ]
+	then
+	echo >&2 "Cleaning a possibly old compilation ..."
+	run make clean
+fi
+
+echo >&2 "Compiling netdata ..."
+run make || exit 1
+
+echo >&2 "Installing netdata ..."
+run make install || exit 1
+
+echo >&2 "Adding netdata user group ..."
+getent group netdata > /dev/null || run groupadd -r netdata
+
+echo >&2 "Adding netdata user account ..."
+getent passwd netdata > /dev/null || run useradd -r -g netdata -c netdata -s /sbin/nologin -d / netdata
+
+
+
+# -----------------------------------------------------------------------------
+# load options from the configuration file
+
+# create an empty config if it does not exist
+[ ! -f "${NETDATA_PREFIX}/etc/netdata/netdata.conf" ] && touch "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+
+# function to extract values from the config file
+config_option() {
+	local key="${1}" value="${2}" line=
+
+	if [ -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf" ]
+		then
+		line="$( grep "^[[:space:]]*${key}[[:space:]]*=[[:space:]]*" "${NETDATA_PREFIX}/etc/netdata/netdata.conf" | head -n 1 )"
+		[ ! -z "${line}" ] && value="$( echo "${line}" | cut -d '=' -f 2 | sed -e "s/^[[:space:]]\+//g" -e "s/[[:space:]]\+$//g" )"
+	fi
+
+	echo "${value}"
+}
+
+# user
+defuser="netdata"
+[ ! "${UID}" = "0" ] && defuser="${USER}"
+NETDATA_USER="$( config_option "run as user" "${defuser}" )"
+
+# debug flags
+defdebug=0
+NETDATA_DEBUG="$( config_option "debug flags" ${defdebug} )"
+
+# port
+defport=19999
+NETDATA_PORT="$( config_option "port" ${defport} )"
+
+# directories
+NETDATA_CACHE_DIR="$( config_option "cache directory" "${NETDATA_PREFIX}/var/cache/netdata" )"
+NETDATA_WEB_DIR="$( config_option "web files directory" "${NETDATA_PREFIX}/usr/share/netdata/web" )"
+NETDATA_LOG_DIR="$( config_option "log directory" "${NETDATA_PREFIX}/var/log/netdata" )"
+NETDATA_CONF_DIR="$( config_option "config directory" "${NETDATA_PREFIX}/etc/netdata" )"
+
+
+# -----------------------------------------------------------------------------
+# prepare the directories
+
+echo >&2 "Fixing directory permissions for user ${NETDATA_USER}..."
+for x in "${NETDATA_WEB_DIR}" "${NETDATA_CONF_DIR}" "${NETDATA_CACHE_DIR}" "${NETDATA_LOG_DIR}"
+do
+	if [ ! -d "${x}" ]
+		then
+		echo >&2 "Creating directory '${x}'"
+		run mkdir -p "${x}" || exit 1
+	fi
+	run chown -R "${NETDATA_USER}:${NETDATA_USER}" "${x}" || echo >&2 "WARNING: Cannot change the ownership of the files in directory ${x} to ${NETDATA_USER}..."
+	run chmod 0775 "${x}" || echo >&2 "WARNING: Cannot change the permissions of the directory ${x} to 0755..."
+done
+
+# fix apps.plugin to be setuid to root
+run chown root "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
+run chmod 4755 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
+
+
+# -----------------------------------------------------------------------------
+# check if we can re-start netdata
+
+if [ ${DONOTSTART} -eq 1 ]
+	then
+	if [ ! -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf" ]
+		then
+		echo >&2 "Generating empty config file in: ${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+		echo "# Get config from http://127.0.0.1:${NETDATA_PORT}/netdata.conf" >"${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+		chown "${NETDATA_USER}" "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+		chmod 0664 "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+	fi
+	echo >&2 "OK. It is now installed and ready."
+	exit 0
+fi
+
+# -----------------------------------------------------------------------------
+# stop a running netdata
+
+isnetdata() {
+	[ -z "$1" -o ! -f "/proc/$1/stat" ] && return 1
+	[ "$(cat "/proc/$1/stat" | cut -d '(' -f 2 | cut -d ')' -f 1)" = "netdata" ] && return 0
+	return 1
+}
+
+
+printf >&2 "Stopping a (possibly) running netdata..."
+ret=0
+count=0
+while [ $ret -eq 0 ]
+do
+	if [ $count -gt 15 ]
+		then
+		echo >&2 "Cannot stop the running netdata."
+		exit 1
+	fi
+
+	count=$((count + 1))
+
+	pid=$(cat /var/run/netdata/netdata.pid 2>/dev/null)
+	isnetdata $pid || pid=
+	if [ ! -z "${pid}" ]
+		then
+		run kill $pid 2>/dev/null
+		ret=$?
+	else
+		run killall netdata 2>/dev/null
+		ret=$?
+	fi
+
+	test $ret -eq 0 && printf >&2 "." && sleep 2
+done
+echo >&2
+
+
+# -----------------------------------------------------------------------------
+# run netdata
+
+echo >&2 "Starting netdata..."
+run ${NETDATA_PREFIX}/usr/sbin/netdata "${@}"
+
+if [ $? -ne 0 ]
+	then
+	echo >&2
+	echo >&2 "SORRY! FAILED TO START NETDATA!"
+	exit 1
+else
+	echo >&2 "OK. NetData Started!"
+fi
+
+
+# -----------------------------------------------------------------------------
+# save a config file, if it is not already there
+
+if [ ! -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf" ]
+	then
+	echo >&2 "Downloading default configuration from netdata..."
+	sleep 5
+
+	# remove a possibly obsolete download
+	[ -f "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ] && rm "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new"
+
+	# try wget
+	wget 2>/dev/null -O "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" "http://localhost:${NETDATA_PORT}/netdata.conf"
+	ret=$?
+
+	# try curl
+	if [ $ret -ne 0 -o ! -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ]
+		then
+		curl -s -o "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" "http://localhost:${NETDATA_PORT}/netdata.conf"
+		ret=$?
+	fi
+
+	if [ $ret -eq 0 -a -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ]
+		then
+		mv "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+		echo >&2 "New configuration saved for you to edit at ${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+
+		chown "${NETDATA_USER}" "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+		chmod 0664 "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+	else
+		echo >&2 "Cannnot download configuration from netdata daemon using url 'http://localhost:${NETDATA_PORT}/netdata.conf'"
+		[ -f "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ] && rm "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new"
+	fi
+fi
+
+cat <<END
+
+
+-------------------------------------------------------------------------------
+
+ok. NetData is installed and is running.
+
+Hit http://localhost:${NETDATA_PORT}/ from your browser.
+
+To stop netdata, just kill it, with:
+
+  killall netdata
+
+To start it, just run it:
+
+  ${NETDATA_PREFIX}/usr/sbin/netdata
+
+Enjoy!
+
+END
+
+ksm_is_available_but_disabled() {
+	cat <<KSM1
+
+INFORMATION:
+
+I see you have kernel memory de-duper (called Kernel Same-page Merging,
+or KSM) available, but it is not currently enabled.
+
+To enable it run:
+
+echo 1 >/sys/kernel/mm/ksm/run
+echo 1000 >/sys/kernel/mm/ksm/sleep_millisecs
+
+If you enable it, you will save 20-60% of netdata memory.
+
+KSM1
+}
+
+ksm_is_not_available() {
+	cat <<KSM2
+
+INFORMATION:
+
+I see you do not have kernel memory de-duper (called Kernel Same-page
+Merging, or KSM) available.
+
+To enable it, you need a kernel built with CONFIG_KSM=y
+
+If you can have it, you will save 20-60% of netdata memory.
+
+KSM2
+}
+
+if [ -f "/sys/kernel/mm/ksm/run" ]
+	then
+	if [ $(cat "/sys/kernel/mm/ksm/run") != "1" ]
+		then
+		ksm_is_available_but_disabled
+	fi
+else
+	ksm_is_not_available
+fi
diff --git a/netdata.spec.in b/netdata.spec.in
new file mode 100644
index 00000000..f2e41dfe
--- /dev/null
+++ b/netdata.spec.in
@@ -0,0 +1,59 @@
+Summary:	Linux real time system monitoring, over the web
+Name:		@PACKAGE_NAME@
+Version:	@PACKAGE_RPM_VERSION@
+Release:	@PACKAGE_RPM_RELEASE@%{?release_suffix}%{?dist}
+License:	GPLv2+
+URL:		http://firehol.org
+Source:		%{name}-@PACKAGE_VERSION@.tar.bz2
+
+BuildRequires:	libmnl-devel
+BuildRequires:	libnetfilter_acct-devel
+BuildRequires:	zlib-devel
+Requires:	libmnl
+Requires:	libnetfilter_acct
+Requires:	zlib
+
+BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+
+%description
+Real-time performance monitoring, in the greatest possible detail!
+
+%pre
+getent group netdata > /dev/null || groupadd -r netdata
+getent passwd netdata > /dev/null || useradd -r -g netdata -c netdata -s /sbin/nologin -d / netdata
+
+%global ovirt_create_user_engine \
+%_ovirt_create_user %{engine_user} %{engine_uid} %{engine_group} %{engine_gid} "%{ovirt_user_description}" %{engine_state}
+
+
+%prep
+%setup -q -n %{name}-@PACKAGE_VERSION@
+
+%build
+%configure \
+	--docdir="%{_docdir}/%{name}-%{version}" \
+	--enable-plugin-nfacct \
+	--with-zlib \
+	--with-math \
+	--with-user=netdata \
+	%{?conf}
+make %{?_smp_mflags}
+
+%install
+rm -rf "%{buildroot}"
+make %{?_smp_mflags} install DESTDIR="%{buildroot}"
+find "%{buildroot}" -name .keep -exec rm {} \;
+
+%files
+%attr(-, netdata, netdata) %dir %{_localstatedir}/cache/%{name}/
+%attr(-, netdata, netdata) %dir %{_localstatedir}/log/%{name}/
+%config(noreplace) %{_sysconfdir}/%{name}/
+%{_bindir}/%{name}
+%{_datadir}/%{name}/
+%{_libexecdir}/%{name}/
+
+%changelog
+* Tue Mar 22 2016 Costa Tsaousis <costa@tsaousis.gr> - 1.0.0-1
+- First public release.
+* Sun Nov 15 2015 Alon Bar-Lev <alonbl@redhat.com> - 0.0.0-1
+- Initial add.
diff --git a/node.d/Makefile.am b/node.d/Makefile.am
new file mode 100644
index 00000000..ae7eeac5
--- /dev/null
+++ b/node.d/Makefile.am
@@ -0,0 +1,26 @@
+MAINTAINERCLEANFILES= $(srcdir)/Makefile.in
+
+dist_node_SCRIPTS = \
+	README.md \
+	named.node.js \
+	sma_webbox.node.js \
+	snmp.node.js \
+	$(NULL)
+
+nodemodulesdir=$(nodedir)/node_modules
+dist_nodemodules_DATA = \
+	node_modules/netdata.js \
+	node_modules/extend.js \
+	node_modules/pixl-xml.js \
+	node_modules/net-snmp.js \
+	node_modules/asn1.js \
+	$(NULL)
+
+nodemodulesberdir=$(nodedir)/node_modules/ber
+dist_nodemodulesber_DATA = \
+	node_modules/ber/index.js \
+	node_modules/ber/errors.js \
+	node_modules/ber/reader.js \
+	node_modules/ber/types.js \
+	node_modules/ber/writer.js \
+	$(NULL)
diff --git a/node.d/README.md b/node.d/README.md
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/node.d/README.md
diff --git a/node.d/named.node.js b/node.d/named.node.js
new file mode 100755
index 00000000..c2b15eae
--- /dev/null
+++ b/node.d/named.node.js
@@ -0,0 +1,586 @@
+'use strict';
+
+// collect statistics from bind (named) v9.10+
+//
+// bind statistics documentation at:
+// http://jpmens.net/2013/03/18/json-in-bind-9-s-statistics-server/
+// https://ftp.isc.org/isc/bind/9.10.3/doc/arm/Bv9ARM.ch06.html#statistics
+
+// example configuration in /etc/netdata/named.conf
+// the module supports auto-detection if bind is running in localhost
+
+/*
+{
+	"enable_autodetect": true,
+	"update_every": 5,
+	"servers": [
+		{
+			"name": "bind1",
+			"url": "http://127.0.0.1:8888/json/v1/server",
+			"update_every": 1
+		},
+		{
+			"name": "bind2",
+			"url": "http://10.0.0.1:8888/xml/v3/server",
+			"update_every": 2
+		}
+	]
+}
+*/
+
+// the following is the bind named.conf configuration required
+
+/*
+statistics-channels {
+        inet 127.0.0.1 port 8888 allow { 127.0.0.1; };
+};
+*/
+
+var url = require('url');
+var http = require('http');
+var XML = require('pixl-xml');
+var netdata = require('netdata');
+
+if(netdata.options.DEBUG === true) netdata.debug('loaded ' + __filename + ' plugin');
+
+var named = {
+	name: __filename,
+	enable_autodetect: true,
+	update_every: 1,
+	base_priority: 60000,
+	charts: {},
+
+	chartFromMembersCreate: function(service, obj, id, title_suffix, units, family, context, type, priority, algorithm, multiplier, divisor) {
+		var chart = {
+			id: id,											// the unique id of the chart
+			name: '',										// the unique name of the chart
+			title: service.name + ' ' + title_suffix,		// the title of the chart
+			units: units,									// the units of the chart dimensions
+			family: family,									// the family of the chart
+			context: context,								// the context of the chart
+			type: type,										// the type of the chart
+			priority: priority,								// the priority relative to others in the same family
+			update_every: service.update_every, 			// the expected update frequency of the chart
+			dimensions: {}
+		}
+
+		var found = 0;
+		for(var x in obj) {
+			if(typeof(obj[x]) !== 'undefined' && obj[x] !== 0) {
+				found++;
+				chart.dimensions[x] = {
+					id: x,					// the unique id of the dimension
+					name: x,				// the name of the dimension
+					algorithm: algorithm,	// the id of the netdata algorithm
+					multiplier: multiplier,	// the multiplier
+					divisor: divisor,		// the divisor
+					hidden: false			// is hidden (boolean)
+				}
+			}
+		}
+
+		if(found === false)
+			return null;
+
+		chart = service.chart(id, chart);
+		this.charts[id] = chart;
+		return chart;
+	},
+
+	chartFromMembers: function(service, obj, id_suffix, title_suffix, units, family, context, type, priority, algorithm, multiplier, divisor) {
+		var id = 'named_' + service.name + '.' + id_suffix;
+		var chart = this.charts[id];
+
+		if(typeof chart === 'undefined') {
+			chart = this.chartFromMembersCreate(service, obj, id, title_suffix, units, family, context, type, priority, algorithm, multiplier, divisor);
+			if(chart === null) return false;
+		}
+		else {
+			// check if we need to re-generate the chart
+			for(var x in obj) {
+				if(typeof(chart.dimensions[x]) === 'undefined') {
+					chart = this.chartFromMembersCreate(service, obj, id, title_suffix, units, family, context, type, priority, algorithm, multiplier, divisor);
+					if(chart === null) return false;
+					break;
+				}
+			}
+		}
+
+		var found = 0;
+		service.begin(chart);
+		for(var x in obj) {
+			if(typeof(chart.dimensions[x]) !== 'undefined') {
+				found++;
+				service.set(x, obj[x]);
+			}
+		}
+		service.end();
+
+		if(found > 0) return true;
+		return false;
+	},
+
+	// an index to map values to different charts
+	lookups: {
+		nsstats: {},
+		resolver_stats: {},
+		numfetch: {}
+	},
+
+	// transform the XML response of bind
+	// to the JSON response of bind
+	xml2js: function(service, data_xml) {
+		var d = XML.parse(data_xml);
+		if(d === null) return null;
+
+		var data = {};
+		var len = d.server.counters.length;
+		while(len--) {
+			var a = d.server.counters[len];
+			if(typeof a.counter === 'undefined') continue;
+			if(a.type === 'opcode') a.type = 'opcodes';
+			else if(a.type === 'qtype') a.type = 'qtypes';
+			else if(a.type === 'nsstat') a.type = 'nsstats';
+			var aa = data[a.type] = {};
+			var alen = 0
+			var alen2 = a.counter.length;
+			while(alen < alen2) {
+				aa[a.counter[alen].name] = parseInt(a.counter[alen]._Data);
+				alen++;
+			}
+		}
+
+		data.views = {};
+		var vlen = d.views.view.length;
+		while(vlen--) {
+			var vname = d.views.view[vlen].name;
+			data.views[vname] = { resolver: {} };
+			var len = d.views.view[vlen].counters.length;
+			while(len--) {
+				var a = d.views.view[vlen].counters[len];
+				if(typeof a.counter === 'undefined') continue;
+				if(a.type === 'resstats') a.type = 'stats';
+				else if(a.type === 'resqtype') a.type = 'qtypes';
+				else if(a.type === 'adbstat') a.type = 'adb';
+				var aa = data.views[vname].resolver[a.type] = {};
+				var alen = 0;
+				var alen2 = a.counter.length;
+				while(alen < alen2) {
+					aa[a.counter[alen].name] = parseInt(a.counter[alen]._Data);
+					alen++;
+				}
+			}
+		}
+
+		return data;
+	},
+
+	processResponse: function(service, data) {
+		if(data !== null) {
+			var r;
+
+			// parse XML or JSON
+			// pepending on the URL given
+			if(service.request.path.match(/^\/xml/) !== null)
+				r = named.xml2js(service, data);
+			else
+				r = JSON.parse(data);
+
+			if(typeof r === 'undefined' || r === null) {
+				netdata.serviceError(service, "Cannot parse these data: " + data);
+				return;
+			}
+
+			if(service.added !== true)
+				service.commit();
+
+			if(typeof r.nsstats !== 'undefined') {
+				// we split the nsstats object to several others
+				var global_requests = {}, global_requests_enable = false;
+				var global_failures = {}, global_failures_enable = false;
+				var global_failures_detail = {}, global_failures_detail_enable = false;
+				var global_updates = {}, global_updates_enable = false;
+				var protocol_queries = {}, protocol_queries_enable = false;
+				var global_queries = {}, global_queries_enable = false;
+				var global_queries_success = {}, global_queries_success_enable = false;
+				var default_enable = false;
+				var RecursClients = 0;
+
+				// RecursClients is an absolute value
+				if(typeof r.nsstats['RecursClients'] !== 'undefined') {
+					RecursClients = r.nsstats['RecursClients'];
+					delete r.nsstats['RecursClients'];
+				}
+
+				for( var x in r.nsstats ) {
+					// we maintain an index of the values found
+					// mapping them to objects splitted
+
+					var look = named.lookups.nsstats[x];
+					if(typeof look === 'undefined') {
+						// a new value, not found in the index
+						// index it:
+						if(x === 'Requestv4') {
+							named.lookups.nsstats[x] = {
+								name: 'IPv4',
+								type: 'global_requests'
+							};
+						}
+						else if(x === 'Requestv6') {
+							named.lookups.nsstats[x] = {
+								name: 'IPv6',
+								type: 'global_requests'
+							};
+						}
+						else if(x === 'QryFailure') {
+							named.lookups.nsstats[x] = {
+								name: 'failures',
+								type: 'global_failures'
+							};
+						}
+						else if(x === 'QryUDP') {
+							named.lookups.nsstats[x] = {
+								name: 'UDP',
+								type: 'protocol_queries'
+							};
+						}
+						else if(x === 'QryTCP') {
+							named.lookups.nsstats[x] = {
+								name: 'TCP',
+								type: 'protocol_queries'
+							};
+						}
+						else if(x === 'QrySuccess') {
+							named.lookups.nsstats[x] = {
+								name: 'queries',
+								type: 'global_queries_success'
+							};
+						}
+						else if(x.match(/QryRej$/) !== null) {
+							named.lookups.nsstats[x] = {
+								name: x,
+								type: 'global_failures_detail'
+							};
+						}
+						else if(x.match(/^Qry/) !== null) {
+							named.lookups.nsstats[x] = {
+								name: x,
+								type: 'global_queries'
+							};
+						}
+						else if(x.match(/^Update/) !== null) {
+							named.lookups.nsstats[x] = {
+								name: x,
+								type: 'global_updates'
+							};
+						}
+						else {
+							// values not mapped, will remain
+							// in the default map
+							named.lookups.nsstats[x] = {
+								name: x,
+								type: 'default'
+							};
+						}
+
+						look = named.lookups.nsstats[x];
+						// netdata.error('lookup nsstats value: ' + x + ' >>> ' + named.lookups.nsstats[x].type);
+					}
+
+					switch(look.type) {
+						case 'global_requests': global_requests[look.name] = r.nsstats[x]; delete r.nsstats[x]; global_requests_enable = true; break;
+						case 'global_queries': global_queries[look.name] = r.nsstats[x]; delete r.nsstats[x]; global_queries_enable = true; break;
+						case 'global_queries_success': global_queries_success[look.name] = r.nsstats[x]; delete r.nsstats[x]; global_queries_success_enable = true; break;
+						case 'global_updates': global_updates[look.name] = r.nsstats[x]; delete r.nsstats[x]; global_updates_enable = true; break;
+						case 'protocol_queries': protocol_queries[look.name] = r.nsstats[x]; delete r.nsstats[x]; protocol_queries_enable = true; break;
+						case 'global_failures': global_failures[look.name] = r.nsstats[x]; delete r.nsstats[x]; global_failures_enable = true; break;
+						case 'global_failures_detail': global_failures_detail[look.name] = r.nsstats[x]; delete r.nsstats[x]; global_failures_detail_enable = true; break;
+						default: default_enable = true; break;
+					}
+				}
+
+				if(global_requests_enable == true)
+					service.module.chartFromMembers(service, global_requests, 'received_requests', 'Bind, Global Received Requests by IP version', 'requests/s', 'requests', 'named.requests', netdata.chartTypes.stacked, named.base_priority + 1, netdata.chartAlgorithms.incremental, 1, 1);
+
+				if(global_queries_success_enable == true)
+					service.module.chartFromMembers(service, global_queries_success, 'global_queries_success', 'Bind, Global Successful Queries', 'queries/s', 'queries', 'named.queries.succcess', netdata.chartTypes.line, named.base_priority + 2, netdata.chartAlgorithms.incremental, 1, 1);
+
+				if(protocol_queries_enable == true)
+					service.module.chartFromMembers(service, protocol_queries, 'protocols_queries', 'Bind, Global Queries by IP Protocol', 'queries/s', 'queries', 'named.protocol.queries', netdata.chartTypes.stacked, named.base_priority + 3, netdata.chartAlgorithms.incremental, 1, 1);
+
+				if(global_queries_enable == true)
+					service.module.chartFromMembers(service, global_queries, 'global_queries', 'Bind, Global Queries Analysis', 'queries/s', 'queries', 'named.global.queries', netdata.chartTypes.stacked, named.base_priority + 4, netdata.chartAlgorithms.incremental, 1, 1);
+
+				if(global_updates_enable == true)
+					service.module.chartFromMembers(service, global_updates, 'received_updates', 'Bind, Global Received Updates', 'updates/s', 'updates', 'named.global.updates', netdata.chartTypes.stacked, named.base_priority + 5, netdata.chartAlgorithms.incremental, 1, 1);
+
+				if(global_failures_enable == true)
+					service.module.chartFromMembers(service, global_failures, 'query_failures', 'Bind, Global Query Failures', 'failures/s', 'failures', 'named.global.failures', netdata.chartTypes.line, named.base_priority + 6, netdata.chartAlgorithms.incremental, 1, 1);
+
+				if(global_failures_detail_enable == true)
+					service.module.chartFromMembers(service, global_failures_detail, 'query_failures_detail', 'Bind, Global Query Failures Analysis', 'failures/s', 'failures', 'named.global.failures.detail', netdata.chartTypes.stacked, named.base_priority + 7, netdata.chartAlgorithms.incremental, 1, 1);
+
+				if(default_enable === true)
+					service.module.chartFromMembers(service, r.nsstats, 'nsstats', 'Bind, Other Global Server Statistics', 'operations/s', 'other', 'named.nsstats', netdata.chartTypes.line, named.base_priority + 8, netdata.chartAlgorithms.incremental, 1, 1);
+
+				// RecursClients chart
+				{
+					var id = 'named_' + service.name + '.recursive_clients';
+					var chart = named.charts[id];
+
+					if(typeof chart === 'undefined') {
+						chart = {
+							id: id,											// the unique id of the chart
+							name: '',										// the unique name of the chart
+							title: service.name + ' Bind, Current Recursive Clients',		// the title of the chart
+							units: 'clients',								// the units of the chart dimensions
+							family: 'clients',								// the family of the chart
+							context: 'named.recursive.clients',				// the context of the chart
+							type: netdata.chartTypes.line,					// the type of the chart
+							priority: named.base_priority + 1,				// the priority relative to others in the same family
+							update_every: service.update_every,				// the expected update frequency of the chart
+							dimensions: {
+								'clients': {
+									id: 'clients',								// the unique id of the dimension
+									name: '',									// the name of the dimension
+									algorithm: netdata.chartAlgorithms.absolute,// the id of the netdata algorithm
+									multiplier: 1,								// the multiplier
+									divisor: 1,									// the divisor
+									hidden: false								// is hidden (boolean)
+								}
+							}
+						};
+
+						chart = service.chart(id, chart);
+						named.charts[id] = chart;
+					}
+
+					service.begin(chart);
+					service.set('clients', RecursClients);
+					service.end();
+				}
+			}
+
+			if(typeof r.opcodes !== 'undefined')
+				service.module.chartFromMembers(service, r.opcodes, 'in_opcodes', 'Bind, Global Incoming Requests by OpCode', 'requests/s', 'requests', 'named.in.opcodes', netdata.chartTypes.stacked, named.base_priority + 9, netdata.chartAlgorithms.incremental, 1, 1);
+
+			if(typeof r.qtypes !== 'undefined')
+				service.module.chartFromMembers(service, r.qtypes, 'in_qtypes', 'Bind, Global Incoming Requests by Query Type', 'requests/s', 'requests', 'named.in.qtypes', netdata.chartTypes.stacked, named.base_priority + 10, netdata.chartAlgorithms.incremental, 1, 1);
+
+			if(typeof r.sockstats !== 'undefined')
+				service.module.chartFromMembers(service, r.sockstats, 'in_sockstats', 'Bind, Global Socket Statistics', 'operations/s', 'sockets', 'named.in.sockstats', netdata.chartTypes.line, named.base_priority + 11, netdata.chartAlgorithms.incremental, 1, 1);
+
+			if(typeof r.views !== 'undefined') {
+				for( var x in r.views ) {
+					var resolver = r.views[x].resolver;
+
+					if(typeof resolver !== 'undefined') {
+						if(typeof resolver.stats !== 'undefined') {
+							var NumFetch = 0;
+							var key = service.name + '.' + x;
+							var default_enable = false;
+							var rtt = {}, rtt_enable = false;
+
+							// NumFetch is an absolute value
+							if(typeof resolver.stats['NumFetch'] !== 'undefined') {
+								named.lookups.numfetch[key] = true;
+								NumFetch = resolver.stats['NumFetch'];
+								delete resolver.stats['NumFetch'];
+							}
+							if(typeof resolver.stats['BucketSize'] !== 'undefined') {
+								delete resolver.stats['BucketSize'];
+							}
+
+							// split the QryRTT* from the main chart
+							for( var y in resolver.stats ) {
+								// we maintain an index of the values found
+								// mapping them to objects splitted
+
+								var look = named.lookups.resolver_stats[y];
+								if(typeof look === 'undefined') {
+									if(y.match(/^QryRTT/) !== null) {
+										named.lookups.resolver_stats[y] = {
+											name: y,
+											type: 'rtt'
+										};
+									}
+									else {
+										named.lookups.resolver_stats[y] = {
+											name: y,
+											type: 'default'
+										};
+									}
+
+									look = named.lookups.resolver_stats[y];
+									// netdata.error('lookup resolver stats value: ' + y + ' >>> ' + look.type);
+								}
+
+								switch(look.type) {
+									case 'rtt': rtt[look.name] = resolver.stats[y]; delete resolver.stats[y]; rtt_enable = true; break;
+									default: default_enable = true; break;
+								}
+							}
+
+							if(rtt_enable)
+								service.module.chartFromMembers(service, rtt, 'view_resolver_rtt_' + x, 'Bind, ' + x + ' View, Resolver Round Trip Timings', 'queries/s', 'view_' + x, 'named.resolver.rtt', netdata.chartTypes.stacked, named.base_priority + 12, netdata.chartAlgorithms.incremental, 1, 1);
+
+							if(default_enable)
+								service.module.chartFromMembers(service, resolver.stats, 'view_resolver_stats_' + x, 'Bind, ' + x + ' View, Resolver Statistics', 'operations/s', 'view_' + x, 'named.resolver.stats', netdata.chartTypes.line, named.base_priority + 13, netdata.chartAlgorithms.incremental, 1, 1);
+
+							// NumFetch chart
+							if(typeof named.lookups.numfetch[key] !== 'undefined') {
+								var id = 'named_' + service.name + '.view_resolver_numfetch_' + x;
+								var chart = named.charts[id];
+
+								if(typeof chart === 'undefined') {
+									chart = {
+										id: id,											// the unique id of the chart
+										name: '',										// the unique name of the chart
+										title: service.name + ' Bind, ' + x + ' View, Resolver Active Queries',		// the title of the chart
+										units: 'queries',								// the units of the chart dimensions
+										family: 'view_' + x,							// the family of the chart
+										context: 'named.resolver.active.queries',		// the context of the chart
+										type: netdata.chartTypes.line,					// the type of the chart
+										priority: named.base_priority + 1001,			// the priority relative to others in the same family
+										update_every: service.update_every,				// the expected update frequency of the chart
+										dimensions: {
+											'queries': {
+												id: 'queries',								// the unique id of the dimension
+												name: '',									// the name of the dimension
+												algorithm: netdata.chartAlgorithms.absolute,// the id of the netdata algorithm
+												multiplier: 1,								// the multiplier
+												divisor: 1,									// the divisor
+												hidden: false								// is hidden (boolean)
+											}
+										}
+									};
+
+									chart = service.chart(id, chart);
+									named.charts[id] = chart;
+								}
+
+								service.begin(chart);
+								service.set('queries', NumFetch);
+								service.end();
+							}
+						}
+					}
+
+					if(typeof resolver.qtypes !== 'undefined')
+						service.module.chartFromMembers(service, resolver.qtypes, 'view_resolver_qtypes_' + x, 'Bind, ' + x + ' View, Requests by Query Type', 'requests/s', 'view_' + x, 'named.resolver.qtypes', netdata.chartTypes.stacked, named.base_priority + 14, netdata.chartAlgorithms.incremental, 1, 1);
+
+					//if(typeof resolver.cache !== 'undefined')
+					//	service.module.chartFromMembers(service, resolver.cache, 'view_resolver_cache_' + x, 'Bind, ' + x + ' View, Cache Entries', 'entries', 'view_' + x, 'named.resolver.cache', netdata.chartTypes.stacked, named.base_priority + 15, netdata.chartAlgorithms.absolute, 1, 1);
+
+					if(typeof resolver.cachestats['CacheHits'] !== 'undefined' && resolver.cachestats['CacheHits'] > 0) {
+						var id = 'named_' + service.name + '.view_resolver_cachehits_' + x;
+						var chart = named.charts[id];
+
+						if(typeof chart === 'undefined') {
+							chart = {
+								id: id,											// the unique id of the chart
+								name: '',										// the unique name of the chart
+								title: service.name + ' Bind, ' + x + ' View, Resolver Cache Hits',		// the title of the chart
+								units: 'operations/s',							// the units of the chart dimensions
+								family: 'view_' + x,							// the family of the chart
+								context: 'named.resolver.cache.hits',			// the context of the chart
+								type: netdata.chartTypes.area,					// the type of the chart
+								priority: named.base_priority + 1100,			// the priority relative to others in the same family
+								update_every: service.update_every,				// the expected update frequency of the chart
+								dimensions: {
+									'CacheHits': {
+										id: 'CacheHits',							// the unique id of the dimension
+										name: 'hits',								// the name of the dimension
+										algorithm: netdata.chartAlgorithms.incremental,// the id of the netdata algorithm
+										multiplier: 1,								// the multiplier
+										divisor: 1,									// the divisor
+										hidden: false								// is hidden (boolean)
+									},
+									'CacheMisses': {
+										id: 'CacheMisses',							// the unique id of the dimension
+										name: 'misses',								// the name of the dimension
+										algorithm: netdata.chartAlgorithms.incremental,// the id of the netdata algorithm
+										multiplier: -1,								// the multiplier
+										divisor: 1,									// the divisor
+										hidden: false								// is hidden (boolean)
+									}
+								}
+							};
+
+							chart = service.chart(id, chart);
+							named.charts[id] = chart;
+						}
+
+						service.begin(chart);
+						service.set('CacheHits', resolver.cachestats['CacheHits']);
+						service.set('CacheMisses', resolver.cachestats['CacheMisses']);
+						service.end();
+					}
+
+					// this is wrong, it contains many types of info:
+					// 1. CacheHits, CacheMisses - incremental (added above)
+					// 2. QueryHits, QueryMisses - incremental
+					// 3. DeleteLRU, DeleteTTL - incremental
+					// 4. CacheNodes, CacheBuckets - absolute
+					// 5. TreeMemTotal, TreeMemInUse - absolute
+					// 6. HeapMemMax, HeapMemTotal, HeapMemInUse - absolute
+					//if(typeof resolver.cachestats !== 'undefined')
+					//	service.module.chartFromMembers(service, resolver.cachestats, 'view_resolver_cachestats_' + x, 'Bind, ' + x + ' View, Cache Statistics', 'requests/s', 'view_' + x, 'named.resolver.cache.stats', netdata.chartTypes.line, named.base_priority + 1001, netdata.chartAlgorithms.incremental, 1, 1);
+
+					//if(typeof resolver.adb !== 'undefined')
+					//	service.module.chartFromMembers(service, resolver.adb, 'view_resolver_adb_' + x, 'Bind, ' + x + ' View, ADB Statistics', 'entries', 'view_' + x, 'named.resolver.adb', netdata.chartTypes.line, named.base_priority + 1002, netdata.chartAlgorithms.absolute, 1, 1);
+				}
+			}
+		}
+	},
+
+	// module.serviceExecute()
+	// this function is called only from this module
+	// its purpose is to prepare the request and call
+	// netdata.serviceExecute()
+	serviceExecute: function(name, a_url, update_every) {
+		if(netdata.options.DEBUG === true) netdata.debug(this.name + ': ' + name + ': url: ' + a_url + ', update_every: ' + update_every);
+		var service = netdata.service({
+			name: name,
+			request: netdata.requestFromURL(a_url),
+			update_every: update_every,
+			module: this
+		});
+
+		service.execute(this.processResponse);
+	},
+
+	configure: function(config) {
+		var added = 0;
+
+		if(this.enable_autodetect === true) {
+			this.serviceExecute('local', 'http://localhost:8888/json/v1/server', this.update_every);
+			added++;
+		}
+		
+		if(typeof(config.servers) !== 'undefined') {
+			var len = config.servers.length;
+			while(len--) {
+				if(typeof config.servers[len].update_every === 'undefined')
+					config.servers[len].update_every = this.update_every;
+
+				this.serviceExecute(config.servers[len].name, config.servers[len].url, config.servers[len].update_every);
+				added++;
+			}
+		}
+
+		return added;
+	},
+
+	// module.update()
+	// this is called repeatidly to collect data, by calling
+	// netdata.serviceExecute()
+	update: function(service, callback) {
+		service.execute(function(serv, data) {
+			service.module.processResponse(serv, data);
+			callback();
+		});
+	},
+};
+
+module.exports = named;
diff --git a/node.d/node_modules/asn1.js b/node.d/node_modules/asn1.js
new file mode 100644
index 00000000..d1766e7a
--- /dev/null
+++ b/node.d/node_modules/asn1.js
@@ -0,0 +1,20 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+// If you have no idea what ASN.1 or BER is, see this:
+// ftp://ftp.rsa.com/pub/pkcs/ascii/layman.asc
+
+var Ber = require('./ber/index');
+
+
+
+///--- Exported API
+
+module.exports = {
+
+  Ber: Ber,
+
+  BerReader: Ber.Reader,
+
+  BerWriter: Ber.Writer
+
+};
diff --git a/node.d/node_modules/ber/errors.js b/node.d/node_modules/ber/errors.js
new file mode 100644
index 00000000..ff21d4fa
--- /dev/null
+++ b/node.d/node_modules/ber/errors.js
@@ -0,0 +1,13 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+
+module.exports = {
+
+  newInvalidAsn1Error: function(msg) {
+    var e = new Error();
+    e.name = 'InvalidAsn1Error';
+    e.message = msg || '';
+    return e;
+  }
+
+};
diff --git a/node.d/node_modules/ber/index.js b/node.d/node_modules/ber/index.js
new file mode 100644
index 00000000..4fb90aea
--- /dev/null
+++ b/node.d/node_modules/ber/index.js
@@ -0,0 +1,27 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var errors = require('./errors');
+var types = require('./types');
+
+var Reader = require('./reader');
+var Writer = require('./writer');
+
+
+///--- Exports
+
+module.exports = {
+
+  Reader: Reader,
+
+  Writer: Writer
+
+};
+
+for (var t in types) {
+  if (types.hasOwnProperty(t))
+    module.exports[t] = types[t];
+}
+for (var e in errors) {
+  if (errors.hasOwnProperty(e))
+    module.exports[e] = errors[e];
+}
diff --git a/node.d/node_modules/ber/reader.js b/node.d/node_modules/ber/reader.js
new file mode 100644
index 00000000..0a00e98e
--- /dev/null
+++ b/node.d/node_modules/ber/reader.js
@@ -0,0 +1,261 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var assert = require('assert');
+
+var ASN1 = require('./types');
+var errors = require('./errors');
+
+
+///--- Globals
+
+var newInvalidAsn1Error = errors.newInvalidAsn1Error;
+
+
+
+///--- API
+
+function Reader(data) {
+  if (!data || !Buffer.isBuffer(data))
+    throw new TypeError('data must be a node Buffer');
+
+  this._buf = data;
+  this._size = data.length;
+
+  // These hold the "current" state
+  this._len = 0;
+  this._offset = 0;
+}
+
+Object.defineProperty(Reader.prototype, 'length', {
+  enumerable: true,
+  get: function () { return (this._len); }
+});
+
+Object.defineProperty(Reader.prototype, 'offset', {
+  enumerable: true,
+  get: function () { return (this._offset); }
+});
+
+Object.defineProperty(Reader.prototype, 'remain', {
+  get: function () { return (this._size - this._offset); }
+});
+
+Object.defineProperty(Reader.prototype, 'buffer', {
+  get: function () { return (this._buf.slice(this._offset)); }
+});
+
+
+/**
+ * Reads a single byte and advances offset; you can pass in `true` to make this
+ * a "peek" operation (i.e., get the byte, but don't advance the offset).
+ *
+ * @param {Boolean} peek true means don't move offset.
+ * @return {Number} the next byte, null if not enough data.
+ */
+Reader.prototype.readByte = function(peek) {
+  if (this._size - this._offset < 1)
+    return null;
+
+  var b = this._buf[this._offset] & 0xff;
+
+  if (!peek)
+    this._offset += 1;
+
+  return b;
+};
+
+
+Reader.prototype.peek = function() {
+  return this.readByte(true);
+};
+
+
+/**
+ * Reads a (potentially) variable length off the BER buffer.  This call is
+ * not really meant to be called directly, as callers have to manipulate
+ * the internal buffer afterwards.
+ *
+ * As a result of this call, you can call `Reader.length`, until the
+ * next thing called that does a readLength.
+ *
+ * @return {Number} the amount of offset to advance the buffer.
+ * @throws {InvalidAsn1Error} on bad ASN.1
+ */
+Reader.prototype.readLength = function(offset) {
+  if (offset === undefined)
+    offset = this._offset;
+
+  if (offset >= this._size)
+    return null;
+
+  var lenB = this._buf[offset++] & 0xff;
+  if (lenB === null)
+    return null;
+
+  if ((lenB & 0x80) == 0x80) {
+    lenB &= 0x7f;
+
+    if (lenB == 0)
+      throw newInvalidAsn1Error('Indefinite length not supported');
+
+    if (lenB > 4)
+      throw newInvalidAsn1Error('encoding too long');
+
+    if (this._size - offset < lenB)
+      return null;
+
+    this._len = 0;
+    for (var i = 0; i < lenB; i++)
+      this._len = (this._len << 8) + (this._buf[offset++] & 0xff);
+
+  } else {
+    // Wasn't a variable length
+    this._len = lenB;
+  }
+
+  return offset;
+};
+
+
+/**
+ * Parses the next sequence in this BER buffer.
+ *
+ * To get the length of the sequence, call `Reader.length`.
+ *
+ * @return {Number} the sequence's tag.
+ */
+Reader.prototype.readSequence = function(tag) {
+  var seq = this.peek();
+  if (seq === null)
+    return null;
+  if (tag !== undefined && tag !== seq)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + seq.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+  if (o === null)
+    return null;
+
+  this._offset = o;
+  return seq;
+};
+
+
+Reader.prototype.readInt = function() {
+  return this._readTag(ASN1.Integer);
+};
+
+
+Reader.prototype.readBoolean = function() {
+  return (this._readTag(ASN1.Boolean) === 0 ? false : true);
+};
+
+
+Reader.prototype.readEnumeration = function() {
+  return this._readTag(ASN1.Enumeration);
+};
+
+
+Reader.prototype.readString = function(tag, retbuf) {
+  if (!tag)
+    tag = ASN1.OctetString;
+
+  var b = this.peek();
+  if (b === null)
+    return null;
+
+  if (b !== tag)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + b.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+
+  if (o === null)
+    return null;
+
+  if (this.length > this._size - o)
+    return null;
+
+  this._offset = o;
+
+  if (this.length === 0)
+    return retbuf ? new Buffer(0) : '';
+
+  var str = this._buf.slice(this._offset, this._offset + this.length);
+  this._offset += this.length;
+
+  return retbuf ? str : str.toString('utf8');
+};
+
+Reader.prototype.readOID = function(tag) {
+  if (!tag)
+    tag = ASN1.OID;
+
+  var b = this.readString(tag, true);
+  if (b === null)
+    return null;
+
+  var values = [];
+  var value = 0;
+
+  for (var i = 0; i < b.length; i++) {
+    var byte = b[i] & 0xff;
+
+    value <<= 7;
+    value += byte & 0x7f;
+    if ((byte & 0x80) == 0) {
+      values.push(value);
+      value = 0;
+    }
+  }
+
+  value = values.shift();
+  values.unshift(value % 40);
+  values.unshift((value / 40) >> 0);
+
+  return values.join('.');
+};
+
+
+Reader.prototype._readTag = function(tag) {
+  assert.ok(tag !== undefined);
+
+  var b = this.peek();
+
+  if (b === null)
+    return null;
+
+  if (b !== tag)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + b.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+  if (o === null)
+    return null;
+
+  if (this.length > 4)
+    throw newInvalidAsn1Error('Integer too long: ' + this.length);
+
+  if (this.length > this._size - o)
+    return null;
+  this._offset = o;
+
+  var fb = this._buf[this._offset];
+  var value = 0;
+
+  for (var i = 0; i < this.length; i++) {
+    value <<= 8;
+    value |= (this._buf[this._offset++] & 0xff);
+  }
+
+  if ((fb & 0x80) == 0x80 && i !== 4)
+    value -= (1 << (i * 8));
+
+  return value >> 0;
+};
+
+
+
+///--- Exported API
+
+module.exports = Reader;
diff --git a/node.d/node_modules/ber/types.js b/node.d/node_modules/ber/types.js
new file mode 100644
index 00000000..8aea0001
--- /dev/null
+++ b/node.d/node_modules/ber/types.js
@@ -0,0 +1,36 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+
+module.exports = {
+  EOC: 0,
+  Boolean: 1,
+  Integer: 2,
+  BitString: 3,
+  OctetString: 4,
+  Null: 5,
+  OID: 6,
+  ObjectDescriptor: 7,
+  External: 8,
+  Real: 9, // float
+  Enumeration: 10,
+  PDV: 11,
+  Utf8String: 12,
+  RelativeOID: 13,
+  Sequence: 16,
+  Set: 17,
+  NumericString: 18,
+  PrintableString: 19,
+  T61String: 20,
+  VideotexString: 21,
+  IA5String: 22,
+  UTCTime: 23,
+  GeneralizedTime: 24,
+  GraphicString: 25,
+  VisibleString: 26,
+  GeneralString: 28,
+  UniversalString: 29,
+  CharacterString: 30,
+  BMPString: 31,
+  Constructor: 32,
+  Context: 128
+};
diff --git a/node.d/node_modules/ber/writer.js b/node.d/node_modules/ber/writer.js
new file mode 100644
index 00000000..d9d99af6
--- /dev/null
+++ b/node.d/node_modules/ber/writer.js
@@ -0,0 +1,316 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var assert = require('assert');
+var ASN1 = require('./types');
+var errors = require('./errors');
+
+
+///--- Globals
+
+var newInvalidAsn1Error = errors.newInvalidAsn1Error;
+
+var DEFAULT_OPTS = {
+  size: 1024,
+  growthFactor: 8
+};
+
+
+///--- Helpers
+
+function merge(from, to) {
+  assert.ok(from);
+  assert.equal(typeof(from), 'object');
+  assert.ok(to);
+  assert.equal(typeof(to), 'object');
+
+  var keys = Object.getOwnPropertyNames(from);
+  keys.forEach(function(key) {
+    if (to[key])
+      return;
+
+    var value = Object.getOwnPropertyDescriptor(from, key);
+    Object.defineProperty(to, key, value);
+  });
+
+  return to;
+}
+
+
+
+///--- API
+
+function Writer(options) {
+  options = merge(DEFAULT_OPTS, options || {});
+
+  this._buf = new Buffer(options.size || 1024);
+  this._size = this._buf.length;
+  this._offset = 0;
+  this._options = options;
+
+  // A list of offsets in the buffer where we need to insert
+  // sequence tag/len pairs.
+  this._seq = [];
+}
+
+Object.defineProperty(Writer.prototype, 'buffer', {
+  get: function () {
+    if (this._seq.length)
+      throw new InvalidAsn1Error(this._seq.length + ' unended sequence(s)');
+
+    return (this._buf.slice(0, this._offset));
+  }
+});
+
+Writer.prototype.writeByte = function(b) {
+  if (typeof(b) !== 'number')
+    throw new TypeError('argument must be a Number');
+
+  this._ensure(1);
+  this._buf[this._offset++] = b;
+};
+
+
+Writer.prototype.writeInt = function(i, tag) {
+  if (typeof(i) !== 'number')
+    throw new TypeError('argument must be a Number');
+  if (typeof(tag) !== 'number')
+    tag = ASN1.Integer;
+
+  var sz = 4;
+
+  while ((((i & 0xff800000) === 0) || ((i & 0xff800000) === 0xff800000 >> 0)) &&
+         (sz > 1)) {
+    sz--;
+    i <<= 8;
+  }
+
+  if (sz > 4)
+    throw new InvalidAsn1Error('BER ints cannot be > 0xffffffff');
+
+  this._ensure(2 + sz);
+  this._buf[this._offset++] = tag;
+  this._buf[this._offset++] = sz;
+
+  while (sz-- > 0) {
+    this._buf[this._offset++] = ((i & 0xff000000) >>> 24);
+    i <<= 8;
+  }
+
+};
+
+
+Writer.prototype.writeNull = function() {
+  this.writeByte(ASN1.Null);
+  this.writeByte(0x00);
+};
+
+
+Writer.prototype.writeEnumeration = function(i, tag) {
+  if (typeof(i) !== 'number')
+    throw new TypeError('argument must be a Number');
+  if (typeof(tag) !== 'number')
+    tag = ASN1.Enumeration;
+
+  return this.writeInt(i, tag);
+};
+
+
+Writer.prototype.writeBoolean = function(b, tag) {
+  if (typeof(b) !== 'boolean')
+    throw new TypeError('argument must be a Boolean');
+  if (typeof(tag) !== 'number')
+    tag = ASN1.Boolean;
+
+  this._ensure(3);
+  this._buf[this._offset++] = tag;
+  this._buf[this._offset++] = 0x01;
+  this._buf[this._offset++] = b ? 0xff : 0x00;
+};
+
+
+Writer.prototype.writeString = function(s, tag) {
+  if (typeof(s) !== 'string')
+    throw new TypeError('argument must be a string (was: ' + typeof(s) + ')');
+  if (typeof(tag) !== 'number')
+    tag = ASN1.OctetString;
+
+  var len = Buffer.byteLength(s);
+  this.writeByte(tag);
+  this.writeLength(len);
+  if (len) {
+    this._ensure(len);
+    this._buf.write(s, this._offset);
+    this._offset += len;
+  }
+};
+
+
+Writer.prototype.writeBuffer = function(buf, tag) {
+  if (typeof(tag) !== 'number')
+    throw new TypeError('tag must be a number');
+  if (!Buffer.isBuffer(buf))
+    throw new TypeError('argument must be a buffer');
+
+  this.writeByte(tag);
+  this.writeLength(buf.length);
+  this._ensure(buf.length);
+  buf.copy(this._buf, this._offset, 0, buf.length);
+  this._offset += buf.length;
+};
+
+
+Writer.prototype.writeStringArray = function(strings) {
+  if ((!strings instanceof Array))
+    throw new TypeError('argument must be an Array[String]');
+
+  var self = this;
+  strings.forEach(function(s) {
+    self.writeString(s);
+  });
+};
+
+// This is really to solve DER cases, but whatever for now
+Writer.prototype.writeOID = function(s, tag) {
+  if (typeof(s) !== 'string')
+    throw new TypeError('argument must be a string');
+  if (typeof(tag) !== 'number')
+    tag = ASN1.OID;
+
+  if (!/^([0-9]+\.){3,}[0-9]+$/.test(s))
+    throw new Error('argument is not a valid OID string');
+
+  function encodeOctet(bytes, octet) {
+    if (octet < 128) {
+        bytes.push(octet);
+    } else if (octet < 16384) {
+        bytes.push((octet >>> 7) | 0x80);
+        bytes.push(octet & 0x7F);
+    } else if (octet < 2097152) {
+      bytes.push((octet >>> 14) | 0x80);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    } else if (octet < 268435456) {
+      bytes.push((octet >>> 21) | 0x80);
+      bytes.push(((octet >>> 14) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    } else {
+      bytes.push(((octet >>> 28) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 21) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 14) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    }
+  }
+
+  var tmp = s.split('.');
+  var bytes = [];
+  bytes.push(parseInt(tmp[0], 10) * 40 + parseInt(tmp[1], 10));
+  tmp.slice(2).forEach(function(b) {
+    encodeOctet(bytes, parseInt(b, 10));
+  });
+
+  var self = this;
+  this._ensure(2 + bytes.length);
+  this.writeByte(tag);
+  this.writeLength(bytes.length);
+  bytes.forEach(function(b) {
+    self.writeByte(b);
+  });
+};
+
+
+Writer.prototype.writeLength = function(len) {
+  if (typeof(len) !== 'number')
+    throw new TypeError('argument must be a Number');
+
+  this._ensure(4);
+
+  if (len <= 0x7f) {
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xff) {
+    this._buf[this._offset++] = 0x81;
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xffff) {
+    this._buf[this._offset++] = 0x82;
+    this._buf[this._offset++] = len >> 8;
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xffffff) {
+    this._buf[this._offset++] = 0x83;
+    this._buf[this._offset++] = len >> 16;
+    this._buf[this._offset++] = len >> 8;
+    this._buf[this._offset++] = len;
+  } else {
+    throw new InvalidAsn1ERror('Length too long (> 4 bytes)');
+  }
+};
+
+Writer.prototype.startSequence = function(tag) {
+  if (typeof(tag) !== 'number')
+    tag = ASN1.Sequence | ASN1.Constructor;
+
+  this.writeByte(tag);
+  this._seq.push(this._offset);
+  this._ensure(3);
+  this._offset += 3;
+};
+
+
+Writer.prototype.endSequence = function() {
+  var seq = this._seq.pop();
+  var start = seq + 3;
+  var len = this._offset - start;
+
+  if (len <= 0x7f) {
+    this._shift(start, len, -2);
+    this._buf[seq] = len;
+  } else if (len <= 0xff) {
+    this._shift(start, len, -1);
+    this._buf[seq] = 0x81;
+    this._buf[seq + 1] = len;
+  } else if (len <= 0xffff) {
+    this._buf[seq] = 0x82;
+    this._buf[seq + 1] = len >> 8;
+    this._buf[seq + 2] = len;
+  } else if (len <= 0xffffff) {
+    this._shift(start, len, 1);
+    this._buf[seq] = 0x83;
+    this._buf[seq + 1] = len >> 16;
+    this._buf[seq + 2] = len >> 8;
+    this._buf[seq + 3] = len;
+  } else {
+    throw new InvalidAsn1Error('Sequence too long');
+  }
+};
+
+
+Writer.prototype._shift = function(start, len, shift) {
+  assert.ok(start !== undefined);
+  assert.ok(len !== undefined);
+  assert.ok(shift);
+
+  this._buf.copy(this._buf, start + shift, start, start + len);
+  this._offset += shift;
+};
+
+Writer.prototype._ensure = function(len) {
+  assert.ok(len);
+
+  if (this._size - this._offset < len) {
+    var sz = this._size * this._options.growthFactor;
+    if (sz - this._offset < len)
+      sz += len;
+
+    var buf = new Buffer(sz);
+
+    this._buf.copy(buf, 0, 0, this._offset);
+    this._buf = buf;
+    this._size = sz;
+  }
+};
+
+
+
+///--- Exported API
+
+module.exports = Writer;
diff --git a/node.d/node_modules/extend.js b/node.d/node_modules/extend.js
new file mode 100644
index 00000000..0fdd8be2
--- /dev/null
+++ b/node.d/node_modules/extend.js
@@ -0,0 +1,87 @@
+// https://github.com/justmoon/node-extend
+
+'use strict';
+
+var hasOwn = Object.prototype.hasOwnProperty;
+var toStr = Object.prototype.toString;
+
+var isArray = function isArray(arr) {
+	if (typeof Array.isArray === 'function') {
+		return Array.isArray(arr);
+	}
+
+	return toStr.call(arr) === '[object Array]';
+};
+
+var isPlainObject = function isPlainObject(obj) {
+	if (!obj || toStr.call(obj) !== '[object Object]') {
+		return false;
+	}
+
+	var hasOwnConstructor = hasOwn.call(obj, 'constructor');
+	var hasIsPrototypeOf = obj.constructor && obj.constructor.prototype && hasOwn.call(obj.constructor.prototype, 'isPrototypeOf');
+	// Not own constructor property must be Object
+	if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {
+		return false;
+	}
+
+	// Own properties are enumerated firstly, so to speed up,
+	// if last one is own, then all properties are own.
+	var key;
+	for (key in obj) { /**/ }
+
+	return typeof key === 'undefined' || hasOwn.call(obj, key);
+};
+
+module.exports = function extend() {
+	var options, name, src, copy, copyIsArray, clone;
+	var target = arguments[0];
+	var i = 1;
+	var length = arguments.length;
+	var deep = false;
+
+	// Handle a deep copy situation
+	if (typeof target === 'boolean') {
+		deep = target;
+		target = arguments[1] || {};
+		// skip the boolean and the target
+		i = 2;
+	} else if ((typeof target !== 'object' && typeof target !== 'function') || target == null) {
+		target = {};
+	}
+
+	for (; i < length; ++i) {
+		options = arguments[i];
+		// Only deal with non-null/undefined values
+		if (options != null) {
+			// Extend the base object
+			for (name in options) {
+				src = target[name];
+				copy = options[name];
+
+				// Prevent never-ending loop
+				if (target !== copy) {
+					// Recurse if we're merging plain objects or arrays
+					if (deep && copy && (isPlainObject(copy) || (copyIsArray = isArray(copy)))) {
+						if (copyIsArray) {
+							copyIsArray = false;
+							clone = src && isArray(src) ? src : [];
+						} else {
+							clone = src && isPlainObject(src) ? src : {};
+						}
+
+						// Never move original objects, clone them
+						target[name] = extend(deep, clone, copy);
+
+					// Don't bring in undefined values
+					} else if (typeof copy !== 'undefined') {
+						target[name] = copy;
+					}
+				}
+			}
+		}
+	}
+
+	// Return the modified object
+	return target;
+};
diff --git a/node.d/node_modules/net-snmp.js b/node.d/node_modules/net-snmp.js
new file mode 100644
index 00000000..6fbd4e72
--- /dev/null
+++ b/node.d/node_modules/net-snmp.js
@@ -0,0 +1,1466 @@
+
+// Copyright 2013 Stephen Vickers <stephen.vickers.sv@gmail.com>
+
+var ber = require ("asn1").Ber;
+var dgram = require ("dgram");
+var events = require ("events");
+var util = require ("util");
+
+/*****************************************************************************
+ ** Constants
+ **/
+
+function _expandConstantObject (object) {
+	var keys = [];
+	for (key in object)
+		keys.push (key);
+	for (var i = 0; i < keys.length; i++)
+		object[object[keys[i]]] = parseInt (keys[i]);
+}
+
+var ErrorStatus = {
+	0: "NoError",
+	1: "TooBig",
+	2: "NoSuchName",
+	3: "BadValue",
+	4: "ReadOnly",
+	5: "GeneralError",
+	6: "NoAccess",
+	7: "WrongType",
+	8: "WrongLength",
+	9: "WrongEncoding",
+	10: "WrongValue",
+	11: "NoCreation",
+	12: "InconsistentValue",
+	13: "ResourceUnavailable",
+	14: "CommitFailed",
+	15: "UndoFailed",
+	16: "AuthorizationError",
+	17: "NotWritable",
+	18: "InconsistentName"
+};
+
+_expandConstantObject (ErrorStatus);
+
+var ObjectType = {
+	1: "Boolean",
+	2: "Integer",
+	4: "OctetString",
+	5: "Null",
+	6: "OID",
+	64: "IpAddress",
+	65: "Counter",
+	66: "Gauge",
+	67: "TimeTicks",
+	68: "Opaque",
+	70: "Counter64",
+	128: "NoSuchObject",
+	129: "NoSuchInstance",
+	130: "EndOfMibView"
+};
+
+_expandConstantObject (ObjectType);
+
+ObjectType.Integer32 = ObjectType.Integer;
+ObjectType.Counter32 = ObjectType.Counter;
+ObjectType.Gauge32 = ObjectType.Gauge;
+ObjectType.Unsigned32 = ObjectType.Gauge32;
+
+var PduType = {
+	160: "GetRequest",
+	161: "GetNextRequest",
+	162: "GetResponse",
+	163: "SetRequest",
+	164: "Trap",
+	165: "GetBulkRequest",
+	166: "InformRequest",
+	167: "TrapV2",
+	168: "Report"
+};
+
+_expandConstantObject (PduType);
+
+var TrapType = {
+	0: "ColdStart",
+	1: "WarmStart",
+	2: "LinkDown",
+	3: "LinkUp",
+	4: "AuthenticationFailure",
+	5: "EgpNeighborLoss",
+	6: "EnterpriseSpecific"
+};
+
+_expandConstantObject (TrapType);
+
+var Version1 = 0;
+var Version2c = 1;
+
+/*****************************************************************************
+ ** Exception class definitions
+ **/
+
+function ResponseInvalidError (message) {
+	this.name = "ResponseInvalidError";
+	this.message = message;
+	Error.captureStackTrace(this, ResponseInvalidError);
+}
+util.inherits (ResponseInvalidError, Error);
+
+function RequestInvalidError (message) {
+	this.name = "RequestInvalidError";
+	this.message = message;
+	Error.captureStackTrace(this, RequestInvalidError);
+}
+util.inherits (RequestInvalidError, Error);
+
+function RequestFailedError (message, status) {
+	this.name = "RequestFailedError";
+	this.message = message;
+	this.status = status;
+	Error.captureStackTrace(this, RequestFailedError);
+}
+util.inherits (RequestFailedError, Error);
+
+function RequestTimedOutError (message) {
+	this.name = "RequestTimedOutError";
+	this.message = message;
+	Error.captureStackTrace(this, RequestTimedOutError);
+}
+util.inherits (RequestTimedOutError, Error);
+
+/*****************************************************************************
+ ** OID and varbind helper functions
+ **/
+
+function isVarbindError (varbind) {
+	if (varbind.type == ObjectType.NoSuchObject
+			|| varbind.type == ObjectType.NoSuchInstance
+			|| varbind.type == ObjectType.EndOfMibView)
+		return true;
+	else
+		return false;
+}
+
+function varbindError (varbind) {
+	return (ObjectType[varbind.type] || "NotAnError") + ": " + varbind.oid;
+}
+
+function oidFollowsOid (oidString, nextString) {
+	var oid = {str: oidString, len: oidString.length, idx: 0};
+	var next = {str: nextString, len: nextString.length, idx: 0};
+	var dotCharCode = ".".charCodeAt (0);
+
+	function getNumber (item) {
+		var n = 0;
+		if (item.idx >= item.len)
+			return null;
+		while (item.idx < item.len) {
+			var charCode = item.str.charCodeAt (item.idx++);
+			if (charCode == dotCharCode)
+				return n;
+			n = (n ? (n * 10) : n) + (charCode - 48);
+		}
+		return n;
+	}
+
+	while (1) {
+		var oidNumber = getNumber (oid);
+		var nextNumber = getNumber (next);
+
+		if (oidNumber !== null) {
+			if (nextNumber !== null) {
+				if (nextNumber > oidNumber) {
+					return true;
+				} else if (nextNumber < oidNumber) {
+					return false;
+				}
+			} else {
+				return true;
+			}
+		} else {
+			return true;
+		}
+	}
+}
+
+function oidInSubtree (oidString, nextString) {
+	var oid = oidString.split (".");
+	var next = nextString.split (".");
+
+	if (oid.length > next.length)
+		return false;
+
+	for (var i = 0; i < oid.length; i++) {
+		if (next[i] != oid[i])
+			return false;
+	}
+
+	return true;
+}
+
+/**
+ ** Some SNMP agents produce integers on the wire such as 00 ff ff ff ff.
+ ** The ASN.1 BER parser we use throws an error when parsing this, which we
+ ** believe is correct.  So, we decided not to bother the "asn1" developer(s)
+ ** with this, instead opting to work around it here.
+ **
+ ** If an integer is 5 bytes in length we check if the first byte is 0, and if so
+ ** simply drop it and parse it like it was a 4 byte integer, otherwise throw
+ ** an error since the integer is too large.
+ **/
+
+function readInt (buffer) {
+	return readUint (buffer, true);
+}
+
+function readUint (buffer, isSigned) {
+	buffer.readByte ();
+	var length = buffer.readByte ();
+
+	if (length > 5) {
+		 throw new RangeError ("Integer too long '" + length + "'");
+	} else if (length == 5) {
+		if (buffer.readByte () !== 0)
+			throw new RangeError ("Integer too long '" + length + "'");
+		length = 4;
+	}
+
+	value = 0, signedBitSet = false;
+	
+	for (var i = 0; i < length; i++) {
+		value *= 256;
+		value += buffer.readByte ();
+
+		if (isSigned && i <= 0) {
+			if ((value & 0x80) == 0x80)
+				signedBitSet = true;
+		}
+	}
+	
+	if (signedBitSet)
+		value -= (1 << (i * 8));
+
+	return value;
+}
+
+function readUint64 (buffer) {
+	var value = buffer.readString (ObjectType.Counter64, true);
+
+	if (value.length > 8)
+		throw new RequestInvalidError ("64 bit unsigned integer too long '"
+				+ value.length + "'")
+
+	return value;
+}
+
+function readVarbinds (buffer, varbinds) {
+	buffer.readSequence ();
+
+	while (1) {
+		buffer.readSequence ();
+		var oid = buffer.readOID ();
+		var type = buffer.peek ();
+
+		if (type == null)
+			break;
+
+		var value;
+
+		if (type == ObjectType.Boolean) {
+			value = buffer.readBoolean ();
+		} else if (type == ObjectType.Integer) {
+			value = readInt (buffer);
+		} else if (type == ObjectType.OctetString) {
+			value = buffer.readString (null, true);
+		} else if (type == ObjectType.Null) {
+			buffer.readByte ();
+			buffer.readByte ();
+			value = null;
+		} else if (type == ObjectType.OID) {
+			value = buffer.readOID ();
+		} else if (type == ObjectType.IpAddress) {
+			var bytes = buffer.readString (ObjectType.IpAddress, true);
+			if (bytes.length != 4)
+				throw new ResponseInvalidError ("Length '" + bytes.length
+						+ "' of IP address '" + bytes.toString ("hex")
+						+ "' is not 4");
+			value = bytes[0] + "." + bytes[1] + "." + bytes[2] + "." + bytes[3];
+		} else if (type == ObjectType.Counter) {
+			value = readUint (buffer);
+		} else if (type == ObjectType.Gauge) {
+			value = readUint (buffer);
+		} else if (type == ObjectType.TimeTicks) {
+			value = readUint (buffer);
+		} else if (type == ObjectType.Opaque) {
+			value = buffer.readString (ObjectType.Opaque, true);
+		} else if (type == ObjectType.Counter64) {
+			value = readUint64 (buffer);
+		} else if (type == ObjectType.NoSuchObject) {
+			buffer.readByte ();
+			buffer.readByte ();
+			value = null;
+		} else if (type == ObjectType.NoSuchInstance) {
+			buffer.readByte ();
+			buffer.readByte ();
+			value = null;
+		} else if (type == ObjectType.EndOfMibView) {
+			buffer.readByte ();
+			buffer.readByte ();
+			value = null;
+		} else {
+			throw new ResponseInvalidError ("Unknown type '" + type
+					+ "' in response");
+		}
+
+		varbinds.push ({
+			oid: oid,
+			type: type,
+			value: value
+		});
+	}
+}
+
+function writeUint (buffer, type, value) {
+	var b = new Buffer (4);
+	b.writeUInt32BE (value, 0);
+	buffer.writeBuffer (b, type);
+}
+
+function writeUint64 (buffer, value) {
+	if (value.length > 8)
+		throw new RequestInvalidError ("64 bit unsigned integer too long '"
+				+ value.length + "'")
+	buffer.writeBuffer (value, ObjectType.Counter64);
+}
+
+function writeVarbinds (buffer, varbinds) {
+	buffer.startSequence ();
+	for (var i = 0; i < varbinds.length; i++) {
+		buffer.startSequence ();
+		buffer.writeOID (varbinds[i].oid);
+
+		if (varbinds[i].type && varbinds[i].hasOwnProperty("value")) {
+			var type = varbinds[i].type;
+			var value = varbinds[i].value;
+
+			if (type == ObjectType.Boolean) {
+				buffer.writeBoolean (value ? true : false);
+			} else if (type == ObjectType.Integer) { // also Integer32
+				buffer.writeInt (value);
+			} else if (type == ObjectType.OctetString) {
+				if (typeof value == "string")
+					buffer.writeString (value);
+				else
+					buffer.writeBuffer (value, ObjectType.OctetString);
+			} else if (type == ObjectType.Null) {
+				buffer.writeNull ();
+			} else if (type == ObjectType.OID) {
+				buffer.writeOID (value);
+			} else if (type == ObjectType.IpAddress) {
+				var bytes = value.split (".");
+				if (bytes.length != 4)
+					throw new RequestInvalidError ("Invalid IP address '"
+							+ value + "'");
+				buffer.writeBuffer (new Buffer (bytes), 64);
+			} else if (type == ObjectType.Counter) { // also Counter32
+				writeUint (buffer, ObjectType.Counter, value);
+			} else if (type == ObjectType.Gauge) { // also Gauge32 & Unsigned32
+				writeUint (buffer, ObjectType.Gauge, value);
+			} else if (type == ObjectType.TimeTicks) {
+				writeUint (buffer, ObjectType.TimeTicks, value);
+			} else if (type == ObjectType.Opaque) {
+				buffer.writeBuffer (value, ObjectType.Opaque);
+			} else if (type == ObjectType.Counter64) {
+				writeUint64 (buffer, value);
+			} else {
+				throw new RequestInvalidError ("Unknown type '" + type
+						+ "' in request");
+			}
+		} else {
+			buffer.writeNull ();
+		}
+
+		buffer.endSequence ();
+	};
+	buffer.endSequence ();
+}
+
+/*****************************************************************************
+ ** PDU class definitions
+ **/
+
+var SimplePdu = function (id, varbinds, options) {
+	this.id = id;
+	this.varbinds = varbinds;
+	this.options = options || {};
+};
+
+SimplePdu.prototype.toBuffer = function (buffer) {
+	buffer.startSequence (this.type);
+
+	buffer.writeInt (this.id);
+	buffer.writeInt ((this.type == PduType.GetBulkRequest)
+			? (this.options.nonRepeaters || 0)
+			: 0);
+	buffer.writeInt ((this.type == PduType.GetBulkRequest)
+			? (this.options.maxRepetitions || 0)
+			: 0);
+
+	writeVarbinds (buffer, this.varbinds);
+
+	buffer.endSequence ();
+};
+
+var GetBulkRequestPdu = function () {
+	this.type = PduType.GetBulkRequest;
+	GetBulkRequestPdu.super_.apply (this, arguments);
+};
+
+util.inherits (GetBulkRequestPdu, SimplePdu);
+
+var GetNextRequestPdu = function () {
+	this.type = PduType.GetNextRequest;
+	GetNextRequestPdu.super_.apply (this, arguments);
+};
+
+util.inherits (GetNextRequestPdu, SimplePdu);
+
+var GetResponsePdu = function (buffer) {
+	this.type = PduType.GetResponse;
+
+	buffer.readSequence (this.type);
+
+	this.id = buffer.readInt ();
+
+	this.errorStatus = buffer.readInt ();
+	this.errorIndex = buffer.readInt ();
+
+	this.varbinds = [];
+
+	readVarbinds (buffer, this.varbinds);
+};
+
+var GetRequestPdu = function () {
+	this.type = PduType.GetRequest;
+	GetRequestPdu.super_.apply (this, arguments);
+};
+
+util.inherits (GetRequestPdu, SimplePdu);
+
+var InformRequestPdu = function () {
+	this.type = PduType.InformRequest;
+	InformRequestPdu.super_.apply (this, arguments);
+};
+
+util.inherits (InformRequestPdu, SimplePdu);
+
+var SetRequestPdu = function () {
+	this.type = PduType.SetRequest;
+	SetRequestPdu.super_.apply (this, arguments);
+};
+
+util.inherits (SetRequestPdu, SimplePdu);
+
+var TrapPdu = function (typeOrOid, varbinds, options) {
+	this.type = PduType.Trap;
+
+	this.agentAddr = options.agentAddr || "127.0.0.1";
+	this.upTime = options.upTime;
+
+	if (typeof typeOrOid == "string") {
+		this.generic = TrapType.EnterpriseSpecific;
+		this.specific = parseInt (typeOrOid.match (/\.(\d+)$/)[1]);
+		this.enterprise = typeOrOid.replace (/\.(\d+)$/, "");
+	} else {
+		this.generic = typeOrOid;
+		this.specific = 0;
+		this.enterprise = "1.3.6.1.4.1";
+	}
+
+	this.varbinds = varbinds;
+};
+
+TrapPdu.prototype.toBuffer = function (buffer) {
+	buffer.startSequence (this.type);
+
+	buffer.writeOID (this.enterprise);
+	buffer.writeBuffer (new Buffer (this.agentAddr.split (".")),
+			ObjectType.IpAddress);
+	buffer.writeInt (this.generic);
+	buffer.writeInt (this.specific);
+	writeUint (buffer, ObjectType.TimeTicks,
+			this.upTime || Math.floor (process.uptime () * 100));
+
+	writeVarbinds (buffer, this.varbinds);
+
+	buffer.endSequence ();
+};
+
+var TrapV2Pdu = function () {
+	this.type = PduType.TrapV2;
+	TrapV2Pdu.super_.apply (this, arguments);
+};
+
+util.inherits (TrapV2Pdu, SimplePdu);
+
+/*****************************************************************************
+ ** Message class definitions
+ **/
+
+var RequestMessage = function (version, community, pdu) {
+	this.version = version;
+	this.community = community;
+	this.pdu = pdu;
+};
+
+RequestMessage.prototype.toBuffer = function () {
+	if (this.buffer)
+		return this.buffer;
+
+	var writer = new ber.Writer ();
+
+	writer.startSequence ();
+
+	writer.writeInt (this.version);
+	writer.writeString (this.community);
+
+	this.pdu.toBuffer (writer);
+
+	writer.endSequence ();
+
+	this.buffer = writer.buffer;
+
+	return this.buffer;
+};
+
+var ResponseMessage = function (buffer) {
+	var reader = new ber.Reader (buffer);
+
+	reader.readSequence ();
+
+	this.version = reader.readInt ();
+	this.community = reader.readString ();
+
+	var type = reader.peek ();
+
+	if (type == PduType.GetResponse) {
+		this.pdu = new GetResponsePdu (reader);
+	} else {
+		throw new ResponseInvalidError ("Unknown PDU type '" + type
+				+ "' in response");
+	}
+}
+
+/*****************************************************************************
+ ** Session class definition
+ **/
+
+var Session = function (target, community, options) {
+	this.target = target || "127.0.0.1";
+	this.community = community || "public";
+
+	this.version = (options && options.version)
+			? options.version
+			: Version1;
+
+	this.transport = (options && options.transport)
+			? options.transport
+			: "udp4";
+	this.port = (options && options.port )
+			? options.port
+			: 161;
+	this.trapPort = (options && options.trapPort )
+			? options.trapPort
+			: 162;
+
+	this.retries = (options && (options.retries || options.retries == 0))
+			? options.retries
+			: 1;
+	this.timeout = (options && options.timeout)
+			? options.timeout
+			: 5000;
+
+	this.sourceAddress = (options && options.sourceAddress )
+			? options.sourceAddress
+			: undefined;
+	this.sourcePort = (options && options.sourcePort )
+			? parseInt(options.sourcePort)
+			: undefined;
+
+	this.reqs = {};
+	this.reqCount = 0;
+
+	this.dgram = dgram.createSocket (this.transport);
+	this.dgram.unref();
+	
+	var me = this;
+	this.dgram.on ("message", me.onMsg.bind (me));
+	this.dgram.on ("close", me.onClose.bind (me));
+	this.dgram.on ("error", me.onError.bind (me));
+
+	if (this.sourceAddress || this.sourcePort)
+		req.dgram.bind (this.sourcePort, this.sourceAddress);
+};
+
+util.inherits (Session, events.EventEmitter);
+
+Session.prototype.close = function () {
+	this.dgram.close ();
+	return this;
+}
+
+Session.prototype.cancelRequests = function (error) {
+	for (id in this.reqs) {
+		var req = this.reqs[id];
+		this.unregisterRequest (req.id);
+		req.responseCb (error);
+	}
+}
+
+function _generateId () {
+	return Math.floor (Math.random () + Math.random () * 10000000)
+}
+
+Session.prototype.get = function (oids, responseCb) {
+	function feedCb (req, message) {
+		var pdu = message.pdu;
+		var varbinds = [];
+
+		if (req.message.pdu.varbinds.length != pdu.varbinds.length) {
+			req.responseCb (new ResponseInvalidError ("Requested OIDs do not "
+					+ "match response OIDs"));
+		} else {
+			for (var i = 0; i < req.message.pdu.varbinds.length; i++) {
+				if (req.message.pdu.varbinds[i].oid != pdu.varbinds[i].oid) {
+					req.responseCb (new ResponseInvalidError ("OID '"
+							+ req.message.pdu.varbinds[i].oid
+							+ "' in request at positiion '" + i + "' does not "
+							+ "match OID '" + pdu.varbinds[i].oid + "' in response "
+							+ "at position '" + i + "'"));
+					return;
+				} else {
+					varbinds.push (pdu.varbinds[i]);
+				}
+			}
+
+			req.responseCb (null, varbinds);
+		}
+	};
+
+	var pduVarbinds = [];
+
+	for (var i = 0; i < oids.length; i++) {
+		var varbind = {
+			oid: oids[i]
+		};
+		pduVarbinds.push (varbind);
+	}
+
+	this.simpleGet (GetRequestPdu, feedCb, pduVarbinds, responseCb);
+
+	return this;
+};
+
+Session.prototype.getBulk = function () {
+	var oids, nonRepeaters, maxRepetitions, responseCb;
+
+	if (arguments.length >= 4) {
+		oids = arguments[0];
+		nonRepeaters = arguments[1];
+		maxRepetitions = arguments[2];
+		responseCb = arguments[3];
+	} else if (arguments.length >= 3) {
+		oids = arguments[0];
+		nonRepeaters = arguments[1];
+		maxRepetitions = 10;
+		responseCb = arguments[2];
+	} else {
+		oids = arguments[0];
+		nonRepeaters = 0;
+		maxRepetitions = 10;
+		responseCb = arguments[1];
+	}
+
+	function feedCb (req, message) {
+		var pdu = message.pdu;
+		var varbinds = [];
+		var i = 0;
+
+		// first walk through and grab non-repeaters
+		if (pdu.varbinds.length < nonRepeaters) {
+			req.responseCb (new ResponseInvalidError ("Varbind count in "
+					+ "response '" + pdu.varbinds.length + "' is less than "
+					+ "non-repeaters '" + nonRepeaters + "' in request"));
+		} else {
+			for ( ; i < nonRepeaters; i++) {
+				if (isVarbindError (pdu.varbinds[i])) {
+					varbinds.push (pdu.varbinds[i]);
+				} else if (! oidFollowsOid (req.message.pdu.varbinds[i].oid,
+						pdu.varbinds[i].oid)) {
+					req.responseCb (new ResponseInvalidError ("OID '"
+							+ req.message.pdu.varbinds[i].oid + "' in request at "
+							+ "positiion '" + i + "' does not precede "
+							+ "OID '" + pdu.varbinds[i].oid + "' in response "
+							+ "at position '" + i + "'"));
+					return;
+				} else {
+					varbinds.push (pdu.varbinds[i]);
+				}
+			}
+		}
+
+		var repeaters = req.message.pdu.varbinds.length - nonRepeaters;
+
+		// secondly walk through and grab repeaters
+		if (pdu.varbinds.length % (repeaters)) {
+			req.responseCb (new ResponseInvalidError ("Varbind count in "
+					+ "response '" + pdu.varbinds.length + "' is not a "
+					+ "multiple of repeaters '" + repeaters
+					+ "' plus non-repeaters '" + nonRepeaters + "' in request"));
+		} else {
+			while (i < pdu.varbinds.length) {
+				for (var j = 0; j < repeaters; j++, i++) {
+					var reqIndex = nonRepeaters + j;
+					var respIndex = i;
+
+					if (isVarbindError (pdu.varbinds[respIndex])) {
+						if (! varbinds[reqIndex])
+							varbinds[reqIndex] = [];
+						varbinds[reqIndex].push (pdu.varbinds[respIndex]);
+					} else if (! oidFollowsOid (
+							req.message.pdu.varbinds[reqIndex].oid,
+							pdu.varbinds[respIndex].oid)) {
+						req.responseCb (new ResponseInvalidError ("OID '"
+								+ req.message.pdu.varbinds[reqIndex].oid
+								+ "' in request at positiion '" + (reqIndex)
+								+ "' does not precede OID '"
+								+ pdu.varbinds[respIndex].oid
+								+ "' in response at position '" + (respIndex) + "'"));
+						return;
+					} else {
+						if (! varbinds[reqIndex])
+							varbinds[reqIndex] = [];
+						varbinds[reqIndex].push (pdu.varbinds[respIndex]);
+					}
+				}
+			}
+		}
+
+		req.responseCb (null, varbinds);
+	};
+
+	var pduVarbinds = [];
+
+	for (var i = 0; i < oids.length; i++) {
+		var varbind = {
+			oid: oids[i]
+		};
+		pduVarbinds.push (varbind);
+	}
+
+	var options = {
+		nonRepeaters: nonRepeaters,
+		maxRepetitions: maxRepetitions
+	};
+
+	this.simpleGet (GetBulkRequestPdu, feedCb, pduVarbinds, responseCb,
+			options);
+
+	return this;
+};
+
+Session.prototype.getNext = function (oids, responseCb) {
+	function feedCb (req, message) {
+		var pdu = message.pdu;
+		var varbinds = [];
+
+		if (req.message.pdu.varbinds.length != pdu.varbinds.length) {
+			req.responseCb (new ResponseInvalidError ("Requested OIDs do not "
+					+ "match response OIDs"));
+		} else {
+			for (var i = 0; i < req.message.pdu.varbinds.length; i++) {
+				if (isVarbindError (pdu.varbinds[i])) {
+					varbinds.push (pdu.varbinds[i]);
+				} else if (! oidFollowsOid (req.message.pdu.varbinds[i].oid,
+						pdu.varbinds[i].oid)) {
+					req.responseCb (new ResponseInvalidError ("OID '"
+							+ req.message.pdu.varbinds[i].oid + "' in request at "
+							+ "positiion '" + i + "' does not precede "
+							+ "OID '" + pdu.varbinds[i].oid + "' in response "
+							+ "at position '" + i + "'"));
+					return;
+				} else {
+					varbinds.push (pdu.varbinds[i]);
+				}
+			}
+
+			req.responseCb (null, varbinds);
+		}
+	};
+
+	var pduVarbinds = [];
+
+	for (var i = 0; i < oids.length; i++) {
+		var varbind = {
+			oid: oids[i]
+		};
+		pduVarbinds.push (varbind);
+	}
+
+	this.simpleGet (GetNextRequestPdu, feedCb, pduVarbinds, responseCb);
+
+	return this;
+};
+
+Session.prototype.inform = function () {
+	var typeOrOid = arguments[0];;
+	var varbinds, options = {}, responseCb;
+
+	/**
+	 ** Support the following signatures:
+	 ** 
+	 **    typeOrOid, varbinds, options, callback
+	 **    typeOrOid, varbinds, callback
+	 **    typeOrOid, options, callback
+	 **    typeOrOid, callback
+	 **/
+	if (arguments.length >= 4) {
+		varbinds = arguments[1];
+		options = arguments[2];
+		responseCb = arguments[3];
+	} else if (arguments.length >= 3) {
+		if (arguments[1].constructor != Array) {
+			varbinds = [];
+			options = arguments[1];
+			responseCb = arguments[2];
+		} else {
+			varbinds = arguments[1];
+			responseCb = arguments[2];
+		}
+	} else {
+		varbinds = [];
+		responseCb = arguments[1];
+	}
+
+	function feedCb (req, message) {
+		var pdu = message.pdu;
+		var varbinds = [];
+
+		if (req.message.pdu.varbinds.length != pdu.varbinds.length) {
+			req.responseCb (new ResponseInvalidError ("Inform OIDs do not "
+					+ "match response OIDs"));
+		} else {
+			for (var i = 0; i < req.message.pdu.varbinds.length; i++) {
+				if (req.message.pdu.varbinds[i].oid != pdu.varbinds[i].oid) {
+					req.responseCb (new ResponseInvalidError ("OID '"
+							+ req.message.pdu.varbinds[i].oid
+							+ "' in inform at positiion '" + i + "' does not "
+							+ "match OID '" + pdu.varbinds[i].oid + "' in response "
+							+ "at position '" + i + "'"));
+					return;
+				} else {
+					varbinds.push (pdu.varbinds[i]);
+				}
+			}
+
+			req.responseCb (null, varbinds);
+		}
+	};
+
+	if (typeof typeOrOid != "string")
+		typeOrOid = "1.3.6.1.6.3.1.1.5." + (typeOrOid + 1);
+
+	var pduVarbinds = [
+		{
+			oid: "1.3.6.1.2.1.1.3.0",
+			type: ObjectType.TimeTicks,
+			value: options.upTime || Math.floor (process.uptime () * 100)
+		},
+		{
+			oid: "1.3.6.1.6.3.1.1.4.1.0",
+			type: ObjectType.OID,
+			value: typeOrOid
+		}
+	];
+
+	for (var i = 0; i < varbinds.length; i++) {
+		var varbind = {
+			oid: varbinds[i].oid,
+			type: varbinds[i].type,
+			value: varbinds[i].value
+		};
+		pduVarbinds.push (varbind);
+	}
+	
+	options.port = this.trapPort;
+
+	this.simpleGet (InformRequestPdu, feedCb, pduVarbinds, responseCb, options);
+
+	return this;
+};
+
+Session.prototype.onClose = function () {
+	this.cancelRequests (new Error ("Socket forcibly closed"));
+	this.emit ("close");
+};
+
+Session.prototype.onError = function (error) {
+	this.emit (error);
+};
+
+Session.prototype.onMsg = function (buffer, remote) {
+	try {
+		var message = new ResponseMessage (buffer);
+
+		var req = this.unregisterRequest (message.pdu.id);
+		if (! req)
+			return;
+
+		try {
+			if (message.version != req.message.version) {
+				req.responseCb (new ResponseInvalidError ("Version in request '"
+						+ req.message.version + "' does not match version in "
+						+ "response '" + message.version));
+			} else if (message.community != req.message.community) {
+				req.responseCb (new ResponseInvalidError ("Community '"
+						+ req.message.community + "' in request does not match "
+						+ "community '" + message.community + "' in response"));
+			} else if (message.pdu.type == PduType.GetResponse) {
+				req.onResponse (req, message);
+			} else {
+				req.responseCb (new ResponseInvalidError ("Unknown PDU type '"
+						+ message.pdu.type + "' in response"));
+			}
+		} catch (error) {
+			req.responseCb (error);
+		}
+	} catch (error) {
+		this.emit("error", error);
+	}
+};
+
+Session.prototype.onSimpleGetResponse = function (req, message) {
+	var pdu = message.pdu;
+
+	if (pdu.errorStatus > 0) {
+		var statusString = ErrorStatus[pdu.errorStatus]
+				|| ErrorStatus.GeneralError;
+		var statusCode = ErrorStatus[statusString]
+				|| ErrorStatus[ErrorStatus.GeneralError];
+
+		if (pdu.errorIndex <= 0 || pdu.errorIndex > pdu.varbinds.length) {
+			req.responseCb (new RequestFailedError (statusString, statusCode));
+		} else {
+			var oid = pdu.varbinds[pdu.errorIndex - 1].oid;
+			var error = new RequestFailedError (statusString + ": " + oid,
+					statusCode);
+			req.responseCb (error);
+		}
+	} else {
+		req.feedCb (req, message);
+	}
+};
+
+Session.prototype.registerRequest = function (req) {
+	if (! this.reqs[req.id]) {
+		this.reqs[req.id] = req;
+		if (this.reqCount <= 0)
+			this.dgram.ref();
+		this.reqCount++;
+	}
+	var me = this;
+	req.timer = setTimeout (function () {
+		if (req.retries-- > 0) {
+			me.send (req);
+		} else {
+			me.unregisterRequest (req.id);
+			req.responseCb (new RequestTimedOutError (
+					"Request timed out"));
+		}
+	}, req.timeout);
+};
+
+Session.prototype.send = function (req, noWait) {
+	try {
+		var me = this;
+		
+		var buffer = req.message.toBuffer ();
+
+		this.dgram.send (buffer, 0, buffer.length, req.port, this.target,
+				function (error, bytes) {
+			if (error) {
+				req.responseCb (error);
+			} else {
+				if (noWait) {
+					req.responseCb (null);
+				} else {
+					me.registerRequest (req);
+				}
+			}
+		});
+	} catch (error) {
+		req.responseCb (error);
+	}
+	
+	return this;
+};
+
+Session.prototype.set = function (varbinds, responseCb) {
+	function feedCb (req, message) {
+		var pdu = message.pdu;
+		var varbinds = [];
+
+		if (req.message.pdu.varbinds.length != pdu.varbinds.length) {
+			req.responseCb (new ResponseInvalidError ("Requested OIDs do not "
+					+ "match response OIDs"));
+		} else {
+			for (var i = 0; i < req.message.pdu.varbinds.length; i++) {
+				if (req.message.pdu.varbinds[i].oid != pdu.varbinds[i].oid) {
+					req.responseCb (new ResponseInvalidError ("OID '"
+							+ req.message.pdu.varbinds[i].oid
+							+ "' in request at positiion '" + i + "' does not "
+							+ "match OID '" + pdu.varbinds[i].oid + "' in response "
+							+ "at position '" + i + "'"));
+					return;
+				} else {
+					varbinds.push (pdu.varbinds[i]);
+				}
+			}
+
+			req.responseCb (null, varbinds);
+		}
+	};
+
+	var pduVarbinds = [];
+
+	for (var i = 0; i < varbinds.length; i++) {
+		var varbind = {
+			oid: varbinds[i].oid,
+			type: varbinds[i].type,
+			value: varbinds[i].value
+		};
+		pduVarbinds.push (varbind);
+	}
+
+	this.simpleGet (SetRequestPdu, feedCb, pduVarbinds, responseCb);
+
+	return this;
+};
+
+Session.prototype.simpleGet = function (pduClass, feedCb, varbinds,
+		responseCb, options) {
+	var req = {}
+
+	try {
+		var id = _generateId ();
+		var pdu = new pduClass (id, varbinds, options);
+		var message = new RequestMessage (this.version, this.community, pdu);
+
+		req = {
+			id: id,
+			message: message,
+			responseCb: responseCb,
+			retries: this.retries,
+			timeout: this.timeout,
+			onResponse: this.onSimpleGetResponse,
+			feedCb: feedCb,
+			port: (options && options.port) ? options.port : this.port
+		};
+
+		this.send (req);
+	} catch (error) {
+		if (req.responseCb)
+			req.responseCb (error);
+	}
+};
+
+function subtreeCb (req, varbinds) {
+	var done = 0;
+
+	for (var i = varbinds.length; i > 0; i--) {
+		if (! oidInSubtree (req.baseOid, varbinds[i - 1].oid)) {
+			done = 1;
+			varbinds.pop ();
+		}
+	}
+
+	if (varbinds.length > 0)
+		req.feedCb (varbinds);
+
+	if (done)
+		return true;
+}
+
+Session.prototype.subtree  = function () {
+	var me = this;
+	var oid = arguments[0];
+	var maxRepetitions, feedCb, doneCb;
+
+	if (arguments.length < 4) {
+		maxRepetitions = 20;
+		feedCb = arguments[1];
+		doneCb = arguments[2];
+	} else {
+		maxRepetitions = arguments[1];
+		feedCb = arguments[2];
+		doneCb = arguments[3];
+	}
+
+	var req = {
+		feedCb: feedCb,
+		doneCb: doneCb,
+		maxRepetitions: maxRepetitions,
+		baseOid: oid
+	};
+
+	this.walk (oid, maxRepetitions, subtreeCb.bind (me, req), doneCb);
+
+	return this;
+}
+
+function tableColumnsResponseCb (req, error) {
+	if (error) {
+		req.responseCb (error);
+	} else if (req.error) {
+		req.responseCb (req.error);
+	} else {
+		if (req.columns.length > 0) {
+			var column = req.columns.pop ();
+			var me = this;
+			this.subtree (req.rowOid + column, req.maxRepetitions,
+					tableColumnsFeedCb.bind (me, req),
+					tableColumnsResponseCb.bind (me, req));
+		} else {
+			req.responseCb (null, req.table);
+		}
+	}
+}
+
+function tableColumnsFeedCb (req, varbinds) {
+	for (var i = 0; i < varbinds.length; i++) {
+		if (isVarbindError (varbinds[i])) {
+			req.error = new RequestFailedError (varbindError (varbind[i]));
+			return true;
+		}
+
+		var oid = varbinds[i].oid.replace (req.rowOid, "")
+		if (oid && oid != varbinds[i].oid) {
+			var match = oid.match (/^(\d+)\.(.+)$/);
+			if (match && match[1] > 0) {
+				if (! req.table[match[2]])
+					req.table[match[2]] = {};
+				req.table[match[2]][match[1]] = varbinds[i].value;
+			}
+		}
+	}
+}
+
+Session.prototype.tableColumns = function () {
+	var me = this;
+
+	var oid = arguments[0];
+	var columns = arguments[1];
+	var maxRepetitions, responseCb;
+
+	if (arguments.length < 4) {
+		responseCb = arguments[2];
+		maxRepetitions = 20;
+	} else {
+		maxRepetitions = arguments[2];
+		responseCb = arguments[3];
+	}
+
+	var req = {
+		responseCb: responseCb,
+		maxRepetitions: maxRepetitions,
+		baseOid: oid,
+		rowOid: oid + ".1.",
+		columns: columns.slice(0),
+		table: {}
+	};
+
+	if (req.columns.length > 0) {
+		var column = req.columns.pop ();
+		this.subtree (req.rowOid + column, maxRepetitions,
+				tableColumnsFeedCb.bind (me, req),
+				tableColumnsResponseCb.bind (me, req));
+	}
+
+	return this;
+}
+
+function tableResponseCb (req, error) {
+	if (error)
+		req.responseCb (error);
+	else if (req.error)
+		req.responseCb (req.error);
+	else
+		req.responseCb (null, req.table);
+}
+
+function tableFeedCb (req, varbinds) {
+	for (var i = 0; i < varbinds.length; i++) {
+		if (isVarbindError (varbinds[i])) {
+			req.error = new RequestFailedError (varbindError (varbind[i]));
+			return true;
+		}
+
+		var oid = varbinds[i].oid.replace (req.rowOid, "")
+		if (oid && oid != varbinds[i].oid) {
+			var match = oid.match (/^(\d+)\.(.+)$/);
+			if (match && match[1] > 0) {
+				if (! req.table[match[2]])
+					req.table[match[2]] = {};
+				req.table[match[2]][match[1]] = varbinds[i].value;
+			}
+		}
+	}
+}
+
+Session.prototype.table = function () {
+	var me = this;
+
+	var oid = arguments[0];
+	var maxRepetitions, responseCb;
+
+	if (arguments.length < 3) {
+		responseCb = arguments[1];
+		maxRepetitions = 20;
+	} else {
+		maxRepetitions = arguments[1];
+		responseCb = arguments[2];
+	}
+
+	var req = {
+		responseCb: responseCb,
+		maxRepetitions: maxRepetitions,
+		baseOid: oid,
+		rowOid: oid + ".1.",
+		table: {}
+	};
+
+	this.subtree (oid, maxRepetitions, tableFeedCb.bind (me, req),
+			tableResponseCb.bind (me, req));
+
+	return this;
+}
+
+Session.prototype.trap = function () {
+	var req = {};
+
+	try {
+		var typeOrOid = arguments[0];
+		var varbinds, options = {}, responseCb;
+
+		/**
+		 ** Support the following signatures:
+		 ** 
+		 **    typeOrOid, varbinds, options, callback
+		 **    typeOrOid, varbinds, agentAddr, callback
+		 **    typeOrOid, varbinds, callback
+		 **    typeOrOid, agentAddr, callback
+		 **    typeOrOid, options, callback
+		 **    typeOrOid, callback
+		 **/
+		if (arguments.length >= 4) {
+			varbinds = arguments[1];
+			if (typeof arguments[2] == "string") {
+				options.agentAddr = arguments[2];
+			} else if (arguments[2].constructor != Array) {
+				options = arguments[2];
+			}
+			responseCb = arguments[3];
+		} else if (arguments.length >= 3) {
+			if (typeof arguments[1] == "string") {
+				varbinds = [];
+				options.agentAddr = arguments[1];
+			} else if (arguments[1].constructor != Array) {
+				varbinds = [];
+				options = arguments[1];
+			} else {
+				varbinds = arguments[1];
+				agentAddr = null;
+			}
+			responseCb = arguments[2];
+		} else {
+			varbinds = [];
+			responseCb = arguments[1];
+		}
+
+		var pdu, pduVarbinds = [];
+
+		for (var i = 0; i < varbinds.length; i++) {
+			var varbind = {
+				oid: varbinds[i].oid,
+				type: varbinds[i].type,
+				value: varbinds[i].value
+			};
+			pduVarbinds.push (varbind);
+		}
+		
+		var id = _generateId ();
+
+		if (this.version == Version2c) {
+			if (typeof typeOrOid != "string")
+				typeOrOid = "1.3.6.1.6.3.1.1.5." + (typeOrOid + 1);
+
+			pduVarbinds.unshift (
+				{
+					oid: "1.3.6.1.2.1.1.3.0",
+					type: ObjectType.TimeTicks,
+					value: options.upTime || Math.floor (process.uptime () * 100)
+				},
+				{
+					oid: "1.3.6.1.6.3.1.1.4.1.0",
+					type: ObjectType.OID,
+					value: typeOrOid
+				}
+			);
+
+			pdu = new TrapV2Pdu (id, pduVarbinds, options);
+		} else {
+			pdu = new TrapPdu (typeOrOid, pduVarbinds, options);
+		}
+
+		var message = new RequestMessage (this.version, this.community, pdu);
+
+		req = {
+			id: id,
+			message: message,
+			responseCb: responseCb,
+			port: this.trapPort
+		};
+
+		this.send (req, true);
+	} catch (error) {
+		if (req.responseCb)
+			req.responseCb (error);
+	}
+
+	return this;
+};
+
+Session.prototype.unregisterRequest = function (id) {
+	var req = this.reqs[id];
+	if (req) {
+		delete this.reqs[id];
+		clearTimeout (req.timer);
+		delete req.timer;
+		this.reqCount--;
+		if (this.reqCount <= 0)
+			this.dgram.unref();
+		return req;
+	} else {
+		return null;
+	}
+};
+
+function walkCb (req, error, varbinds) {
+	var done = 0;
+	var oid;
+
+	if (error) {
+		if (error instanceof RequestFailedError) {
+			if (error.status != ErrorStatus.NoSuchName) {
+				req.doneCb (error);
+				return;
+			} else {
+				// signal the version 1 walk code below that it should stop
+				done = 1;
+			}
+		} else {
+			req.doneCb (error);
+			return;
+		}
+	}
+
+	if (this.version == Version2c) {
+		for (var i = varbinds[0].length; i > 0; i--) {
+			if (varbinds[0][i - 1].type == ObjectType.EndOfMibView) {
+				varbinds[0].pop ();
+				done = 1;
+			}
+		}
+		if (req.feedCb (varbinds[0]))
+			done = 1;
+		if (! done)
+			oid = varbinds[0][varbinds[0].length - 1].oid;
+	} else {
+		if (! done) {
+			if (req.feedCb (varbinds)) {
+				done = 1;
+			} else {
+				oid = varbinds[0].oid;
+			}
+		}
+	}
+
+	if (done)
+		req.doneCb (null);
+	else
+		this.walk (oid, req.maxRepetitions, req.feedCb, req.doneCb,
+				req.baseOid);
+}
+
+Session.prototype.walk  = function () {
+	var me = this;
+	var oid = arguments[0];
+	var maxRepetitions, feedCb, doneCb, baseOid;
+
+	if (arguments.length < 4) {
+		maxRepetitions = 20;
+		feedCb = arguments[1];
+		doneCb = arguments[2];
+	} else {
+		maxRepetitions = arguments[1];
+		feedCb = arguments[2];
+		doneCb = arguments[3];
+	}
+
+	var req = {
+		maxRepetitions: maxRepetitions,
+		feedCb: feedCb,
+		doneCb: doneCb
+	};
+
+	if (this.version == Version2c)
+		this.getBulk ([oid], 0, maxRepetitions,
+				walkCb.bind (me, req));
+	else
+		this.getNext ([oid], walkCb.bind (me, req));
+
+	return this;
+}
+
+/*****************************************************************************
+ ** Exports
+ **/
+
+exports.Session = Session;
+
+exports.createSession = function (target, community, version, options) {
+	return new Session (target, community, version, options);
+};
+
+exports.isVarbindError = isVarbindError;
+exports.varbindError = varbindError;
+
+exports.Version1 = Version1;
+exports.Version2c = Version2c;
+
+exports.ErrorStatus = ErrorStatus;
+exports.TrapType = TrapType;
+exports.ObjectType = ObjectType;
+
+exports.ResponseInvalidError = ResponseInvalidError;
+exports.RequestInvalidError = RequestInvalidError;
+exports.RequestFailedError = RequestFailedError;
+exports.RequestTimedOutError = RequestTimedOutError;
+
+/**
+ ** We've added this for testing.
+ **/
+exports.ObjectParser = {
+	readInt: readInt,
+	readUint: readUint
+};
diff --git a/node.d/node_modules/netdata.js b/node.d/node_modules/netdata.js
new file mode 100755
index 00000000..9834534e
--- /dev/null
+++ b/node.d/node_modules/netdata.js
@@ -0,0 +1,612 @@
+'use strict';
+
+var url = require('url');
+var http = require('http');
+var util = require('util');
+
+/*
+var netdata = require('netdata');
+
+var example_chart = {
+	id: 'id',						// the unique id of the chart
+	name: 'name',					// the name of the chart
+	title: 'title',					// the title of the chart
+	units: 'units',					// the units of the chart dimensions
+	family: 'family',				// the family of the chart
+	context: 'context',				// the context of the chart
+	type: netdata.chartTypes.line,	// the type of the chart
+	priority: 0,					// the priority relative to others in the same family
+	update_every: 1,				// the expected update frequency of the chart
+	dimensions: {
+		'dim1': {
+			id: 'dim1',				// the unique id of the dimension
+			name: 'name',			// the name of the dimension
+			algorithm: netdata.chartAlgorithms.absolute,	// the id of the netdata algorithm
+			multiplier: 1,			// the multiplier
+			divisor: 1,				// the divisor
+			hidden: false,			// is hidden (boolean)
+		},
+		'dim2': {
+			id: 'dim2',				// the unique id of the dimension
+			name: 'name',			// the name of the dimension
+			algorithm: 'absolute',	// the id of the netdata algorithm
+			multiplier: 1,			// the multiplier
+			divisor: 1,				// the divisor
+			hidden: false,			// is hidden (boolean)
+		}
+		// add as many dimensions as needed
+	}
+};
+*/
+
+var netdata = {
+	options: {
+		filename: __filename,
+		DEBUG: false,
+		update_every: 1,
+	},
+
+	chartAlgorithms: {
+		incremental: 'incremental',
+		absolute: 'absolute',
+		percentage_of_absolute_row: 'percentage-of-absolute-row',
+		percentage_of_incremental_row: 'percentage-of-incremental-row'
+	},
+
+	chartTypes: {
+		line: 'line',
+		area: 'area',
+		stacked: 'stacked'
+	},
+
+	services: new Array(),
+	modules_configuring: 0,
+	charts: {},
+
+
+	processors: {
+		http: {
+			name: 'http',
+
+			process: function(service, callback) {
+				if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': making ' + this.name + ' request: ' + netdata.stringify(service.request));
+
+				var req = http.request(service.request, function(response) {
+					if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': got server response...');
+
+					var end = false;
+					var data = '';
+					response.setEncoding('utf8');
+
+					if(response.statusCode !== 200) {
+						if(end === false) {
+							service.error('Got HTTP code ' + response.statusCode + ', failed to get data.');
+							end = true;
+							callback(null);
+						}
+					}
+
+					response.on('data', function(chunk) {
+						if(end === false) data += chunk;
+					});
+
+					response.on('error', function() {
+						if(end === false) {
+							service.error(': Read error, failed to get data.');
+							end = true;
+							callback(null);
+						}
+					});
+
+					response.on('end', function() {
+						if(end === false) {
+							if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': read completed.');
+							end = true;
+							callback(data);
+						}
+					});
+				});
+
+				req.on('error', function(e) {
+					service.error('Failed to make request: ' + netdata.stringify(service.request) + ', message: ' + e.message);
+					callback(null);
+				});
+
+				// write data to request body
+				if(typeof service.postData !== 'undefined' && service.request.method === 'POST') {
+					if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': posting data: ' + service.postData);
+					req.write(service.postData);
+				}
+
+				req.end();
+			}
+		}
+	},
+
+	stringify: function(obj) {
+		return util.inspect(obj, {depth: 10});
+	},
+
+	// show debug info, if debug is enabled
+	debug: function(msg) {
+		if(this.options.DEBUG === true) {
+			var now = new Date();
+			console.error(now.toString() + ': ' + netdata.options.filename + ': DEBUG: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString());
+		}
+	},
+
+	// log an error
+	error: function(msg) {
+		var now = new Date();
+		console.error(now.toString() + ': ' + netdata.options.filename + ': ERROR: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString());
+	},
+
+	// send data to netdata
+	send: function(msg) {
+		console.log(msg.toString());
+	},
+
+	service: function(service) {
+		if(typeof service === 'undefined')
+			service = {};
+
+		var now = new Date().getTime();
+
+		service._current_chart = null;	// the current chart we work on
+		service._queue = '';			// data to be sent to netdata
+
+		service.error_reported = false;	// error log flood control
+
+		service.added = false;			// added to netdata.services
+		service.enabled = true;
+		service.updates = 0;
+		service.running = false;
+		service.started = 0;
+		service.ended = 0;
+
+		if(typeof service.module === 'undefined') {
+			service.module = { name: 'not-defined-module' };
+			service.error('Attempted to create service without a module.');
+			service.enabled = false;
+		}
+
+		if(typeof service.name === 'undefined') {
+			service.name = 'unnamed@' + service.module.name + '/' + now;
+		}
+
+		if(typeof service.processor === 'undefined')
+			service.processor = netdata.processors.http;
+
+		if(typeof service.update_every === 'undefined')
+			service.update_every = service.module.update_every;
+
+		if(typeof service.update_every === 'undefined')
+			service.update_every = netdata.options.update_every;
+
+		if(service.update_every < netdata.options.update_every)
+			service.update_every = netdata.options.update_every;
+
+		// align the runs
+		service.next_run = now - (now % (service.update_every * 1000));
+
+		service.commit = function() {
+			if(this.added !== true) {
+				this.added = true;
+				
+				var now = new Date().getTime();
+				while( this.next_run < now )
+					this.next_run += (this.update_every * 1000);
+
+				netdata.services.push(this);
+				if(netdata.options.DEBUG === true) netdata.debug(this.module.name + ': ' + this.name + ': service committed.');
+			}
+		};
+
+		service.execute = function(callback) {
+			if(service.enabled === false) {
+				callback(null);
+				return;
+			}
+
+			this.module.active++;
+			this.running = true;
+			this.started = new Date().getTime();
+			this.updates++;
+
+			if(netdata.options.DEBUG === true)
+				netdata.debug(this.module.name + ': ' + this.name + ': making ' + this.processor.name + ' request: ' + netdata.stringify(this));
+
+			this.processor.process(this, function(response) {
+				service.ended = new Date().getTime();
+				service.duration = service.ended - service.started;
+
+				if(typeof response === 'undefined')
+					response = null;
+
+				if(response !== null)
+					service.errorClear();
+
+				if(netdata.options.DEBUG === true)
+					netdata.debug(service.module.name + ': ' + service.name + ': processing ' + service.processor.name + ' response (received in ' + (service.ended - service.started).toString() + ' ms)');
+
+				callback(service, response);
+
+				service.running = false;
+				service.module.active--;
+				if(service.module.active < 0) {
+					service.module.active = 0;
+					if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': active module counter below zero.');
+				}
+
+				if(service.module.active === 0) {
+					// check if we run under configure
+					if(service.module.configure_callback !== null) {
+						if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': configuration finish callback called from processResponse().');
+						var ccallback = service.module.configure_callback;
+						service.module.configure_callback = null;
+						ccallback();
+					}
+				}
+			});
+		};
+
+		service.update = function() {
+			if(netdata.options.DEBUG === true) netdata.debug(this.module.name + ': ' + this.name + ': starting data collection...');
+
+			this.module.update(this, function() {
+				if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': data collection ended in ' + service.duration.toString() + ' ms.');
+			});
+		};
+
+		service.error = function(message) {
+			if(this.error_reported === false) {
+				netdata.error(this.module.name + ': ' + this.name + ': ' + message);
+				this.error_reported = true;
+			}
+			else if(netdata.options.DEBUG === true)
+				netdata.debug(this.module.name + ': ' + this.name + ': ' + message);
+		};
+
+		service.errorClear = function() {
+			this.error_reported = false;
+		};
+
+		service.queue = function(txt) {
+			this._queue += txt + '\n';
+		};
+
+		service._send_chart_to_netdata = function(chart) {
+			// internal function to send a chart to netdata
+			this.queue('CHART "' + chart.id + '" "' + chart.name + '" "' + chart.title + '" "' + chart.units + '" "' + chart.family + '" "' + chart.context + '" "' + chart.type + '" ' + chart.priority.toString() + ' ' + chart.update_every.toString());
+			
+			for(var dim in chart.dimensions) {
+				var d = chart.dimensions[dim];
+
+				this.queue('DIMENSION "' + d.id + '" "' + d.name + '" "' + d.algorithm + '" ' + d.multiplier.toString() + ' ' + d.divisor.toString() + ' ' + ((d.hidden === true)?'hidden':'').toString());
+				d._created = true;
+				d._updated = false;
+			}
+
+			chart._created = true;
+			chart._updated = false;
+		};
+
+		// begin data collection for a chart
+		service.begin = function(chart) {
+			if(this._current_chart !== null && this._current_chart !== chart) {
+				this.error('Called begin() for chart ' + chart.id + ' while chart ' + this._current_chart.id + ' is still open. Closing it.');
+				this.end();
+			}
+
+			if(typeof(chart.id) === 'undefined' || netdata.charts[chart.id] != chart) {
+				this.error('Called begin() for chart ' + chart.id + ' that is not mine. Where did you find it? Ignoring it.');
+				return false;
+			}
+
+			if(netdata.options.DEBUG === true) netdata.debug('setting current chart to ' + chart.id);
+			this._current_chart = chart;
+			this._current_chart._began = true;
+
+			if(this._current_chart._dimensions_count !== 0) {
+				if(this._current_chart._created === false || this._current_chart._updated === true)
+					this._send_chart_to_netdata(this._current_chart);
+
+				var now = this.ended;
+				this.queue('BEGIN ' + this._current_chart.id + ' ' + ((this._current_chart._last_updated > 0)?((now - this._current_chart._last_updated) * 1000):'').toString());
+			}
+			// else this.error('Called begin() for chart ' + chart.id + ' which is empty.');
+
+			this._current_chart._last_updated = now;
+			this._current_chart._began = true;
+			this._current_chart._counter++;
+
+			return true;
+		};
+
+		// set a collected value for a chart
+		// we do most things on the first value we attempt to set
+		service.set = function(dimension, value) {
+			if(this._current_chart === null) {
+				this.error('Called set(' + dimension + ', ' + value + ') without an open chart.');
+				return false;
+			}
+
+			if(typeof(this._current_chart.dimensions[dimension]) === 'undefined') {
+				this.error('Called set(' + dimension + ', ' + value + ') but dimension "' + dimension + '" does not exist in chart "' + this._current_chart.id + '".');
+				return false;
+			}
+
+			if(typeof value === 'undefined' || value === null)
+				return false;
+
+			if(this._current_chart._dimensions_count !== 0)
+				this.queue('SET ' + dimension + ' = ' + value);
+
+			return true;
+		};
+
+		// end data collection for the current chart - after calling begin()
+		service.end = function() {
+			if(this._current_chart !== null && this._current_chart._began === false) {
+				this.error('Called end() without an open chart.');
+				return false;
+			}
+
+			if(this._current_chart._dimensions_count !== 0) {
+				this.queue('END');
+				netdata.send(this._queue);
+			}
+
+			this._queue = '';
+			this._current_chart._began = false;
+			if(netdata.options.DEBUG === true) netdata.debug('sent chart ' + this._current_chart.id);
+			this._current_chart = null;
+			return true;
+		};
+
+		// discard the collected values for the current chart - after calling begin()
+		service.flush = function() {
+			if(this._current_chart === null || this._current_chart._began === false) {
+				this.error('Called flush() without an open chart.');
+				return false;
+			}
+
+			this._queue = '';
+			this._current_chart._began = false;
+			this._current_chart = null;
+			return true;
+		};
+
+		// create a netdata chart
+		service.chart = function(id, chart) {
+			if(typeof(netdata.charts[id]) === 'undefined') {
+				netdata.charts[id] = {
+					_created: false,
+					_updated: true,
+					_began: false,
+					_counter: 0,
+					_last_updated: 0,
+					_dimensions_count: 0,
+					id: id,
+					name: id,
+					title: 'untitled chart',
+					units: 'a unit',
+					family: '',
+					context: '',
+					type: netdata.chartTypes.line,
+					priority: 50000,
+					update_every: netdata.options.update_every,
+					dimensions: {}
+				};
+			}
+
+			var c = netdata.charts[id];
+
+			if(typeof(chart.name) !== 'undefined' && chart.name !== c.name) {
+				if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its name');
+				c.name = chart.name;
+				c._updated = true;
+			}
+
+			if(typeof(chart.title) !== 'undefined' && chart.title !== c.title) {
+				if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its title');
+				c.title = chart.title;
+				c._updated = true;
+			}
+
+			if(typeof(chart.units) !== 'undefined' && chart.units !== c.units) {
+				if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its units');
+				c.units = chart.units;
+				c._updated = true;
+			}
+
+			if(typeof(chart.family) !== 'undefined' && chart.family !== c.family) {
+				if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its family');
+				c.family = chart.family;
+				c._updated = true;
+			}
+
+			if(typeof(chart.context) !== 'undefined' && chart.context !== c.context) {
+				if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its context');
+				c.context = chart.context;
+				c._updated = true;
+			}
+
+			if(typeof(chart.type) !== 'undefined' && chart.type !== c.type) {
+				if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its type');
+				c.type = chart.type;
+				c._updated = true;
+			}
+
+			if(typeof(chart.priority) !== 'undefined' && chart.priority !== c.priority) {
+				if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its priority');
+				c.priority = chart.priority;
+				c._updated = true;
+			}
+
+			if(typeof(chart.update_every) !== 'undefined' && chart.update_every !== c.update_every) {
+				if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its update_every from ' + c.update_every + ' to ' + chart.update_every);
+				c.update_every = chart.update_every;
+				c._updated = true;
+			}
+
+			if(typeof(chart.dimensions) !== 'undefined') {
+				for(var x in chart.dimensions) {
+					if(typeof(c.dimensions[x]) === 'undefined') {
+						c._dimensions_count++;
+
+						c.dimensions[x] = {
+							_created: false,
+							_updated: false,
+							id: x,					// the unique id of the dimension
+							name: x,				// the name of the dimension
+							algorithm: netdata.chartAlgorithms.absolute,	// the id of the netdata algorithm
+							multiplier: 1,			// the multiplier
+							divisor: 1,				// the divisor
+							hidden: false,			// is hidden (boolean)
+						};
+
+						if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' created dimension ' + x);
+						c._updated = true;
+					}
+
+					var dim = chart.dimensions[x];
+					var d = c.dimensions[x];
+
+					if(typeof(dim.name) !== 'undefined' && d.name !== dim.name) {
+						if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its name');
+						d.name = dim.name;
+						d._updated = true;
+					}
+
+					if(typeof(dim.algorithm) !== 'undefined' && d.algorithm !== dim.algorithm) {
+						if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its algorithm from ' + d.algorithm + ' to ' + dim.algorithm);
+						d.algorithm = dim.algorithm;
+						d._updated = true;
+					}
+
+					if(typeof(dim.multiplier) !== 'undefined' && d.multiplier !== dim.multiplier) {
+						if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its multiplier');
+						d.multiplier = dim.multiplier;
+						d._updated = true;
+					}
+
+					if(typeof(dim.divisor) !== 'undefined' && d.divisor !== dim.divisor) {
+						if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its divisor');
+						d.divisor = dim.divisor;
+						d._updated = true;
+					}
+
+					if(typeof(dim.hidden) !== 'undefined' && d.hidden !== dim.hidden) {
+						if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its hidden status');
+						d.hidden = dim.hidden;
+						d._updated = true;
+					}
+
+					if(d._updated) c._updated = true;
+				}
+			}
+
+			//if(netdata.options.DEBUG === true) netdata.debug(netdata.charts);
+			return netdata.charts[id];
+		};
+
+		return service;
+	},
+
+	runAllServices: function() {
+		if(netdata.options.DEBUG === true) netdata.debug('runAllServices()');
+
+		var now = new Date().getTime();
+		var len = netdata.services.length;
+		while(len--) {
+			var service = netdata.services[len];
+
+			if(service.enabled === false || service.running === true) continue;
+			if(now <= service.next_run) continue;
+
+			service.update();
+
+			now = new Date().getTime();
+			while(service.next_run < now)
+				service.next_run += (service.update_every * 1000);
+		}
+
+		// 1/10th of update_every in pause
+		setTimeout(netdata.runAllServices, netdata.options.update_every * 100);
+	},
+
+	start: function() {
+		if(netdata.options.DEBUG === true) this.debug('started, services: ' + netdata.stringify(this.services));
+
+		if(this.services.length === 0) {
+			this.disableNodePlugin();
+			process.exit(1);
+		}
+		else this.runAllServices();
+	},
+
+	// disable the whole node.js plugin
+	disableNodePlugin: function() {
+		this.send('DISABLE');
+		process.exit(1);
+	},
+
+	requestFromParams: function(protocol, hostname, port, path, method) {
+		return {
+			protocol: protocol,
+			hostname: hostname,
+			port: port,
+			path: path,
+			//family: 4,
+			method: method,
+			headers: {
+				'Content-Type': 'application/x-www-form-urlencoded',
+				'Connection': 'keep-alive'
+			},
+			agent: new http.Agent({
+				keepAlive: true,
+				keepAliveMsecs: netdata.options.update_every * 1000,
+				maxSockets: 2, // it must be 2 to work
+				maxFreeSockets: 1
+			})
+		};
+	},
+
+	requestFromURL: function(a_url) {
+		var u = url.parse(a_url);
+		return netdata.requestFromParams(u.protocol, u.hostname, u.port, u.path, 'GET');
+	},
+
+	configure: function(module, config, callback) {
+		if(netdata.options.DEBUG === true) this.debug(module.name + ': configuring (update_every: ' + this.options.update_every + ')...');
+
+		module.active = 0;
+		module.update_every = this.options.update_every;
+
+		if(typeof config.update_every !== 'undefined')
+			module.update_every = config.update_every;
+
+		module.enable_autodetect = (config.enable_autodetect)?true:false;
+
+		if(typeof(callback) === 'function')
+			module.configure_callback = callback;
+		else
+			module.configure_callback = null;
+
+		var added = module.configure(config);
+
+		if(netdata.options.DEBUG === true) this.debug(module.name + ': configured, reporting ' + added + ' eligible services.');
+
+		if(module.configure_callback !== null && added === 0) {
+			if(netdata.options.DEBUG === true) this.debug(module.name + ': configuration finish callback called from configure().');
+			module.configure_callback = null;
+			callback();
+		}
+
+		return added;
+	}
+};
+
+if(netdata.options.DEBUG === true) netdata.debug('loaded netdata from: ' + __filename);
+module.exports = netdata;
diff --git a/node.d/node_modules/pixl-xml.js b/node.d/node_modules/pixl-xml.js
new file mode 100644
index 00000000..481acbae
--- /dev/null
+++ b/node.d/node_modules/pixl-xml.js
@@ -0,0 +1,606 @@
+/*
+	JavaScript XML Library
+	Plus a bunch of object utility functions
+	
+	Usage:
+		var XML = require('pixl-xml');
+		var myxmlstring = '<?xml version="1.0"?><Document>' + 
+			'<Simple>Hello</Simple>' + 
+			'<Node Key="Value">Content</Node>' + 
+			'</Document>';
+		
+		var tree = XML.parse( myxmlstring, { preserveAttributes: true });
+		console.log( tree );
+		
+		tree.Simple = "Hello2";
+		tree.Node._Attribs.Key = "Value2";
+		tree.Node._Data = "Content2";
+		tree.New = "I added this";
+		
+		console.log( XML.stringify( tree, 'Document' ) );
+	
+	Copyright (c) 2004 - 2015 Joseph Huckaby
+	Released under the MIT License
+	This version is for Node.JS, converted in 2012.
+*/
+
+var fs = require('fs');
+
+var indent_string = "\t";
+var xml_header = '<?xml version="1.0"?>';
+var sort_args = null;
+var re_valid_tag_name  = /^\w[\w\-\:]*$/;
+
+var XML = exports.XML = function XML(args) {
+	// class constructor for XML parser class
+	// pass in args hash or text to parse
+	if (!args) args = '';
+	if (isa_hash(args)) {
+		for (var key in args) this[key] = args[key];
+	}
+	else this.text = args || '';
+	
+	// stringify buffers
+	if (this.text instanceof Buffer) {
+		this.text = this.text.toString();
+	}
+	
+	if (!this.text.match(/^\s*</)) {
+		// try as file path
+		var file = this.text;
+		this.text = fs.readFileSync(file, { encoding: 'utf8' });
+		if (!this.text) throw new Error("File not found: " + file);
+	}
+	
+	this.tree = {};
+	this.errors = [];
+	this.piNodeList = [];
+	this.dtdNodeList = [];
+	this.documentNodeName = '';
+	
+	if (this.lowerCase) {
+		this.attribsKey = this.attribsKey.toLowerCase();
+		this.dataKey = this.dataKey.toLowerCase();
+	}
+	
+	this.patTag.lastIndex = 0;
+	if (this.text) this.parse();
+}
+
+XML.prototype.preserveAttributes = false;
+XML.prototype.lowerCase = false;
+
+XML.prototype.patTag = /([^<]*?)<([^>]+)>/g;
+XML.prototype.patSpecialTag = /^\s*([\!\?])/;
+XML.prototype.patPITag = /^\s*\?/;
+XML.prototype.patCommentTag = /^\s*\!--/;
+XML.prototype.patDTDTag = /^\s*\!DOCTYPE/;
+XML.prototype.patCDATATag = /^\s*\!\s*\[\s*CDATA/;
+XML.prototype.patStandardTag = /^\s*(\/?)([\w\-\:\.]+)\s*(.*)$/;
+XML.prototype.patSelfClosing = /\/\s*$/;
+XML.prototype.patAttrib = new RegExp("([\\w\\-\\:\\.]+)\\s*=\\s*([\\\"\\'])([^\\2]*?)\\2", "g");
+XML.prototype.patPINode = /^\s*\?\s*([\w\-\:]+)\s*(.*)$/;
+XML.prototype.patEndComment = /--$/;
+XML.prototype.patNextClose = /([^>]*?)>/g;
+XML.prototype.patExternalDTDNode = new RegExp("^\\s*\\!DOCTYPE\\s+([\\w\\-\\:]+)\\s+(SYSTEM|PUBLIC)\\s+\\\"([^\\\"]+)\\\"");
+XML.prototype.patInlineDTDNode = /^\s*\!DOCTYPE\s+([\w\-\:]+)\s+\[/;
+XML.prototype.patEndDTD = /\]$/;
+XML.prototype.patDTDNode = /^\s*\!DOCTYPE\s+([\w\-\:]+)\s+\[(.*)\]/;
+XML.prototype.patEndCDATA = /\]\]$/;
+XML.prototype.patCDATANode = /^\s*\!\s*\[\s*CDATA\s*\[([^]*)\]\]/;
+
+XML.prototype.attribsKey = '_Attribs';
+XML.prototype.dataKey = '_Data';
+
+XML.prototype.parse = function(branch, name) {
+	// parse text into XML tree, recurse for nested nodes
+	if (!branch) branch = this.tree;
+	if (!name) name = null;
+	var foundClosing = false;
+	var matches = null;
+	
+	// match each tag, plus preceding text
+	while ( matches = this.patTag.exec(this.text) ) {
+		var before = matches[1];
+		var tag = matches[2];
+		
+		// text leading up to tag = content of parent node
+		if (before.match(/\S/)) {
+			if (typeof(branch[this.dataKey]) != 'undefined') branch[this.dataKey] += ' '; else branch[this.dataKey] = '';
+			branch[this.dataKey] += trim(decode_entities(before));
+		}
+		
+		// parse based on tag type
+		if (tag.match(this.patSpecialTag)) {
+			// special tag
+			if (tag.match(this.patPITag)) tag = this.parsePINode(tag);
+			else if (tag.match(this.patCommentTag)) tag = this.parseCommentNode(tag);
+			else if (tag.match(this.patDTDTag)) tag = this.parseDTDNode(tag);
+			else if (tag.match(this.patCDATATag)) {
+				tag = this.parseCDATANode(tag);
+				if (typeof(branch[this.dataKey]) != 'undefined') branch[this.dataKey] += ' '; else branch[this.dataKey] = '';
+				branch[this.dataKey] += trim(decode_entities(tag));
+			} // cdata
+			else {
+				this.throwParseError( "Malformed special tag", tag );
+				break;
+			} // error
+			
+			if (tag == null) break;
+			continue;
+		} // special tag
+		else {
+			// Tag is standard, so parse name and attributes (if any)
+			var matches = tag.match(this.patStandardTag);
+			if (!matches) {
+				this.throwParseError( "Malformed tag", tag );
+				break;
+			}
+			
+			var closing = matches[1];
+			var nodeName = this.lowerCase ? matches[2].toLowerCase() : matches[2];
+			var attribsRaw = matches[3];
+			
+			// If this is a closing tag, make sure it matches its opening tag
+			if (closing) {
+				if (nodeName == (name || '')) {
+					foundClosing = 1;
+					break;
+				}
+				else {
+					this.throwParseError( "Mismatched closing tag (expected </" + name + ">)", tag );
+					break;
+				}
+			} // closing tag
+			else {
+				// Not a closing tag, so parse attributes into hash.  If tag
+				// is self-closing, no recursive parsing is needed.
+				var selfClosing = !!attribsRaw.match(this.patSelfClosing);
+				var leaf = {};
+				var attribs = leaf;
+				
+				// preserve attributes means they go into a sub-hash named "_Attribs"
+				// the XML composer honors this for restoring the tree back into XML
+				if (this.preserveAttributes) {
+					leaf[this.attribsKey] = {};
+					attribs = leaf[this.attribsKey];
+				}
+				
+				// parse attributes
+				this.patAttrib.lastIndex = 0;
+				while ( matches = this.patAttrib.exec(attribsRaw) ) {
+					var key = this.lowerCase ? matches[1].toLowerCase() : matches[1];
+					attribs[ key ] = decode_entities( matches[3] );
+				} // foreach attrib
+				
+				// if no attribs found, but we created the _Attribs subhash, clean it up now
+				if (this.preserveAttributes && !num_keys(attribs)) {
+					delete leaf[this.attribsKey];
+				}
+				
+				// Recurse for nested nodes
+				if (!selfClosing) {
+					this.parse( leaf, nodeName );
+					if (this.error()) break;
+				}
+				
+				// Compress into simple node if text only
+				var num_leaf_keys = num_keys(leaf);
+				if ((typeof(leaf[this.dataKey]) != 'undefined') && (num_leaf_keys == 1)) {
+					leaf = leaf[this.dataKey];
+				}
+				else if (!num_leaf_keys) {
+					leaf = '';
+				}
+				
+				// Add leaf to parent branch
+				if (typeof(branch[nodeName]) != 'undefined') {
+					if (isa_array(branch[nodeName])) {
+						branch[nodeName].push( leaf );
+					}
+					else {
+						var temp = branch[nodeName];
+						branch[nodeName] = [ temp, leaf ];
+					}
+				}
+				else {
+					branch[nodeName] = leaf;
+				}
+				
+				if (this.error() || (branch == this.tree)) break;
+			} // not closing
+		} // standard tag
+	} // main reg exp
+	
+	// Make sure we found the closing tag
+	if (name && !foundClosing) {
+		this.throwParseError( "Missing closing tag (expected </" + name + ">)", name );
+	}
+	
+	// If we are the master node, finish parsing and setup our doc node
+	if (branch == this.tree) {
+		if (typeof(this.tree[this.dataKey]) != 'undefined') delete this.tree[this.dataKey];
+		
+		if (num_keys(this.tree) > 1) {
+			this.throwParseError( 'Only one top-level node is allowed in document', first_key(this.tree) );
+			return;
+		}
+
+		this.documentNodeName = first_key(this.tree);
+		if (this.documentNodeName) {
+			this.tree = this.tree[this.documentNodeName];
+		}
+	}
+};
+
+XML.prototype.throwParseError = function(key, tag) {
+	// log error and locate current line number in source XML document
+	var parsedSource = this.text.substring(0, this.patTag.lastIndex);
+	var eolMatch = parsedSource.match(/\n/g);
+	var lineNum = (eolMatch ? eolMatch.length : 0) + 1;
+	lineNum -= tag.match(/\n/) ? tag.match(/\n/g).length : 0;
+	
+	this.errors.push({ 
+		type: 'Parse',
+		key: key,
+		text: '<' + tag + '>',
+		line: lineNum
+	});
+	
+	// Throw actual error (must wrap parse in try/catch)
+	throw new Error( this.getLastError() );
+};
+
+XML.prototype.error = function() {
+	// return number of errors
+	return this.errors.length;
+};
+
+XML.prototype.getError = function(error) {
+	// get formatted error
+	var text = '';
+	if (!error) return '';
+
+	text = (error.type || 'General') + ' Error';
+	if (error.code) text += ' ' + error.code;
+	text += ': ' + error.key;
+	
+	if (error.line) text += ' on line ' + error.line;
+	if (error.text) text += ': ' + error.text;
+
+	return text;
+};
+
+XML.prototype.getLastError = function() {
+	// Get most recently thrown error in plain text format
+	if (!this.error()) return '';
+	return this.getError( this.errors[this.errors.length - 1] );
+};
+
+XML.prototype.parsePINode = function(tag) {
+	// Parse Processor Instruction Node, e.g. <?xml version="1.0"?>
+	if (!tag.match(this.patPINode)) {
+		this.throwParseError( "Malformed processor instruction", tag );
+		return null;
+	}
+	
+	this.piNodeList.push( tag );
+	return tag;
+};
+
+XML.prototype.parseCommentNode = function(tag) {
+	// Parse Comment Node, e.g. <!-- hello -->
+	var matches = null;
+	this.patNextClose.lastIndex = this.patTag.lastIndex;
+	
+	while (!tag.match(this.patEndComment)) {
+		if (matches = this.patNextClose.exec(this.text)) {
+			tag += '>' + matches[1];
+		}
+		else {
+			this.throwParseError( "Unclosed comment tag", tag );
+			return null;
+		}
+	}
+	
+	this.patTag.lastIndex = this.patNextClose.lastIndex;
+	return tag;
+};
+
+XML.prototype.parseDTDNode = function(tag) {
+	// Parse Document Type Descriptor Node, e.g. <!DOCTYPE ... >
+	var matches = null;
+	
+	if (tag.match(this.patExternalDTDNode)) {
+		// tag is external, and thus self-closing
+		this.dtdNodeList.push( tag );
+	}
+	else if (tag.match(this.patInlineDTDNode)) {
+		// Tag is inline, so check for nested nodes.
+		this.patNextClose.lastIndex = this.patTag.lastIndex;
+		
+		while (!tag.match(this.patEndDTD)) {
+			if (matches = this.patNextClose.exec(this.text)) {
+				tag += '>' + matches[1];
+			}
+			else {
+				this.throwParseError( "Unclosed DTD tag", tag );
+				return null;
+			}
+		}
+		
+		this.patTag.lastIndex = this.patNextClose.lastIndex;
+		
+		// Make sure complete tag is well-formed, and push onto DTD stack.
+		if (tag.match(this.patDTDNode)) {
+			this.dtdNodeList.push( tag );
+		}
+		else {
+			this.throwParseError( "Malformed DTD tag", tag );
+			return null;
+		}
+	}
+	else {
+		this.throwParseError( "Malformed DTD tag", tag );
+		return null;
+	}
+	
+	return tag;
+};
+
+XML.prototype.parseCDATANode = function(tag) {
+	// Parse CDATA Node, e.g. <![CDATA[Brooks & Shields]]>
+	var matches = null;
+	this.patNextClose.lastIndex = this.patTag.lastIndex;
+	
+	while (!tag.match(this.patEndCDATA)) {
+		if (matches = this.patNextClose.exec(this.text)) {
+			tag += '>' + matches[1];
+		}
+		else {
+			this.throwParseError( "Unclosed CDATA tag", tag );
+			return null;
+		}
+	}
+	
+	this.patTag.lastIndex = this.patNextClose.lastIndex;
+	
+	if (matches = tag.match(this.patCDATANode)) {
+		return matches[1];
+	}
+	else {
+		this.throwParseError( "Malformed CDATA tag", tag );
+		return null;
+	}
+};
+
+XML.prototype.getTree = function() {
+	// get reference to parsed XML tree
+	return this.tree;
+};
+
+XML.prototype.compose = function() {
+	// compose tree back into XML
+	var raw = compose_xml( this.tree, this.documentNodeName );
+	var body = raw.substring( raw.indexOf("\n") + 1, raw.length );
+	var xml = '';
+	
+	if (this.piNodeList.length) {
+		for (var idx = 0, len = this.piNodeList.length; idx < len; idx++) {
+			xml += '<' + this.piNodeList[idx] + '>' + "\n";
+		}
+	}
+	else {
+		xml += xml_header + "\n";
+	}
+	
+	if (this.dtdNodeList.length) {
+		for (var idx = 0, len = this.dtdNodeList.length; idx < len; idx++) {
+			xml += '<' + this.dtdNodeList[idx] + '>' + "\n";
+		}
+	}
+	
+	xml += body;
+	return xml;
+};
+
+//
+// Static Utility Functions:
+//
+
+var parse_xml = exports.parse = function parse_xml(text, opts) {
+	// turn text into XML tree quickly
+	if (!opts) opts = {};
+	opts.text = text;
+	var parser = new XML(opts);
+	return parser.error() ? parser.getLastError() : parser.getTree();
+};
+
+var trim = exports.trim = function trim(text) {
+	// strip whitespace from beginning and end of string
+	if (text == null) return '';
+	
+	if (text && text.replace) {
+		text = text.replace(/^\s+/, "");
+		text = text.replace(/\s+$/, "");
+	}
+	
+	return text;
+};
+
+var encode_entities = exports.encodeEntities = function encode_entities(text) {
+	// Simple entitize exports.for = function for composing XML
+	if (text == null) return '';
+	
+	if (text && text.replace) {
+		text = text.replace(/\&/g, "&amp;"); // MUST BE FIRST
+		text = text.replace(/</g, "&lt;");
+		text = text.replace(/>/g, "&gt;");
+	}
+	
+	return text;
+};
+
+var encode_attrib_entities = exports.encodeAttribEntities = function encode_attrib_entities(text) {
+	// Simple entitize exports.for = function for composing XML attributes
+	if (text == null) return '';
+	
+	if (text && text.replace) {
+		text = text.replace(/\&/g, "&amp;"); // MUST BE FIRST
+		text = text.replace(/</g, "&lt;");
+		text = text.replace(/>/g, "&gt;");
+		text = text.replace(/\"/g, "&quot;");
+		text = text.replace(/\'/g, "&apos;");
+	}
+	
+	return text;
+};
+
+var decode_entities = exports.decodeEntities = function decode_entities(text) {
+	// Decode XML entities into raw ASCII
+	if (text == null) return '';
+	
+	if (text && text.replace && text.match(/\&/)) {
+		text = text.replace(/\&lt\;/g, "<");
+		text = text.replace(/\&gt\;/g, ">");
+		text = text.replace(/\&quot\;/g, '"');
+		text = text.replace(/\&apos\;/g, "'");
+		text = text.replace(/\&amp\;/g, "&"); // MUST BE LAST
+	}
+	
+	return text;
+};
+
+var compose_xml = exports.stringify = function compose_xml(node, name, indent) {
+	// Compose node into XML including attributes
+	// Recurse for child nodes
+	var xml = "";
+	
+	// If this is the root node, set the indent to 0
+	// and setup the XML header (PI node)
+	if (!indent) {
+		indent = 0;
+		xml = xml_header + "\n";
+		
+		if (!name) {
+			// no name provided, assume content is wrapped in it
+			name = first_key(node);
+			node = node[name];
+		}
+	}
+	
+	// Setup the indent text
+	var indent_text = "";
+	for (var k = 0; k < indent; k++) indent_text += indent_string;
+
+	if ((typeof(node) == 'object') && (node != null)) {
+		// node is object -- now see if it is an array or hash
+		if (!node.length) { // what about zero-length array?
+			// node is hash
+			xml += indent_text + "<" + name;
+
+			var num_keys = 0;
+			var has_attribs = 0;
+			for (var key in node) num_keys++; // there must be a better way...
+
+			if (node["_Attribs"]) {
+				has_attribs = 1;
+				var sorted_keys = hash_keys_to_array(node["_Attribs"]).sort();
+				for (var idx = 0, len = sorted_keys.length; idx < len; idx++) {
+					var key = sorted_keys[idx];
+					xml += " " + key + "=\"" + encode_attrib_entities(node["_Attribs"][key]) + "\"";
+				}
+			} // has attribs
+
+			if (num_keys > has_attribs) {
+				// has child elements
+				xml += ">";
+
+				if (node["_Data"]) {
+					// simple text child node
+					xml += encode_entities(node["_Data"]) + "</" + name + ">\n";
+				} // just text
+				else {
+					xml += "\n";
+					
+					var sorted_keys = hash_keys_to_array(node).sort();
+					for (var idx = 0, len = sorted_keys.length; idx < len; idx++) {
+						var key = sorted_keys[idx];					
+						if ((key != "_Attribs") && key.match(re_valid_tag_name)) {
+							// recurse for node, with incremented indent value
+							xml += compose_xml( node[key], key, indent + 1 );
+						} // not _Attribs key
+					} // foreach key
+
+					xml += indent_text + "</" + name + ">\n";
+				} // real children
+			}
+			else {
+				// no child elements, so self-close
+				xml += "/>\n";
+			}
+		} // standard node
+		else {
+			// node is array
+			for (var idx = 0; idx < node.length; idx++) {
+				// recurse for node in array with same indent
+				xml += compose_xml( node[idx], name, indent );
+			}
+		} // array of nodes
+	} // complex node
+	else {
+		// node is simple string
+		xml += indent_text + "<" + name + ">" + encode_entities(node) + "</" + name + ">\n";
+	} // simple text node
+
+	return xml;
+};
+
+var always_array = exports.alwaysArray = function always_array(obj, key) {
+	// if object is not array, return array containing object
+	// if key is passed, work like XMLalwaysarray() instead
+	if (key) {
+		if ((typeof(obj[key]) != 'object') || (typeof(obj[key].length) == 'undefined')) {
+			var temp = obj[key];
+			delete obj[key];
+			obj[key] = new Array();
+			obj[key][0] = temp;
+		}
+		return null;
+	}
+	else {
+		if ((typeof(obj) != 'object') || (typeof(obj.length) == 'undefined')) { return [ obj ]; }
+		else return obj;
+	}
+};
+
+var hash_keys_to_array = exports.hashKeysToArray = function hash_keys_to_array(hash) {
+	// convert hash keys to array (discard values)
+	var array = [];
+	for (var key in hash) array.push(key);
+	return array;
+};
+
+var isa_hash = exports.isaHash = function isa_hash(arg) {
+	// determine if arg is a hash
+	return( !!arg && (typeof(arg) == 'object') && (typeof(arg.length) == 'undefined') );
+};
+
+var isa_array = exports.isaArray = function isa_array(arg) {
+	// determine if arg is an array or is array-like
+	if (typeof(arg) == 'array') return true;
+	return( !!arg && (typeof(arg) == 'object') && (typeof(arg.length) != 'undefined') );
+};
+
+var first_key = exports.firstKey = function first_key(hash) {
+	// return first key from hash (unordered)
+	for (var key in hash) return key;
+	return null; // no keys in hash
+};
+
+var num_keys = exports.numKeys = function num_keys(hash) {
+	// count the number of keys in a hash
+	var count = 0;
+	for (var a in hash) count++;
+	return count;
+};
diff --git a/node.d/sma_webbox.node.js b/node.d/sma_webbox.node.js
new file mode 100755
index 00000000..5ed1c55a
--- /dev/null
+++ b/node.d/sma_webbox.node.js
@@ -0,0 +1,237 @@
+'use strict';
+
+// This program will connect to one or more SMA Sunny Webboxes
+// to get the Solar Power Generated (current, today, total).
+
+// example configuration in /etc/netdata/sma_webbox.conf
+/*
+{
+	"enable_autodetect": false,
+	"update_every": 5,
+	"servers": [
+		{
+			"name": "plant1",
+			"hostname": "10.0.1.1",
+			"update_every": 10
+		},
+		{
+			"name": "plant2",
+			"hostname": "10.0.2.1",
+			"update_every": 15
+		}
+	]
+}
+*/
+
+var url = require('url');
+var http = require('http');
+var netdata = require('netdata');
+
+if(netdata.options.DEBUG === true) netdata.debug('loaded ' + __filename + ' plugin');
+
+var webbox = {
+	name: __filename,
+	enable_autodetect: true,
+	update_every: 1,
+	base_priority: 60000,
+	charts: {},
+
+	processResponse: function(service, data) {
+		if(data !== null) {
+			var r = JSON.parse(data);
+
+			var d = {
+				'GriPwr': {
+					unit: null,
+					value: null
+				},
+				'GriEgyTdy': {
+					unit: null,
+					value: null
+				},
+				'GriEgyTot': {
+					unit: null,
+					value: null
+				}
+			};
+
+			// parse the webbox response
+			// and put it in our d object
+			var found = 0;
+			var len = r.result.overview.length;
+			while(len--) {
+				var e = r.result.overview[len];
+				if(typeof(d[e.meta]) !== 'undefined') {
+					found++;
+					d[e.meta].value = e.value;
+					d[e.meta].unit = e.unit;
+				}
+			}
+
+			// add the service
+			if(found > 0 && service.added !== true)
+				service.commit();
+
+			// Grid Current Power Chart
+			if(d['GriPwr'].value !== null) {
+				var id = 'sma_webbox_' + service.name + '.current';
+				var chart = webbox.charts[id];
+
+				if(typeof chart === 'undefined') {
+					chart = {
+						id: id,											// the unique id of the chart
+						name: '',										// the unique name of the chart
+						title: service.name + ' Current Grid Power',	// the title of the chart
+						units: d['GriPwr'].unit,						// the units of the chart dimensions
+						family: 'now',									// the family of the chart
+						context: 'sma_webbox.grid.power',				// the context of the chart
+						type: netdata.chartTypes.area,					// the type of the chart
+						priority: webbox.base_priority + 1,				// the priority relative to others in the same family
+						update_every: service.update_every,				// the expected update frequency of the chart
+						dimensions: {
+							'GriPwr': {
+								id: 'GriPwr',								// the unique id of the dimension
+								name: 'power',								// the name of the dimension
+								algorithm: netdata.chartAlgorithms.absolute,// the id of the netdata algorithm
+								multiplier: 1,								// the multiplier
+								divisor: 1,									// the divisor
+								hidden: false								// is hidden (boolean)
+							}
+						}
+					};
+
+					chart = service.chart(id, chart);
+					webbox.charts[id] = chart;
+				}
+
+				service.begin(chart);
+				service.set('GriPwr', Math.round(d['GriPwr'].value));
+				service.end();
+			}
+
+			if(d['GriEgyTdy'].value !== null) {
+				var id = 'sma_webbox_' + service.name + '.today';
+				var chart = webbox.charts[id];
+
+				if(typeof chart === 'undefined') {
+					chart = {
+						id: id,											// the unique id of the chart
+						name: '',										// the unique name of the chart
+						title: service.name + ' Today Grid Power',		// the title of the chart
+						units: d['GriEgyTdy'].unit,						// the units of the chart dimensions
+						family: 'today',								// the family of the chart
+						context: 'sma_webbox.grid.power.today',			// the context of the chart
+						type: netdata.chartTypes.area,					// the type of the chart
+						priority: webbox.base_priority + 2,				// the priority relative to others in the same family
+						update_every: service.update_every,				// the expected update frequency of the chart
+						dimensions: {
+							'GriEgyTdy': {
+								id: 'GriEgyTdy',								// the unique id of the dimension
+								name: 'power',								// the name of the dimension
+								algorithm: netdata.chartAlgorithms.absolute,// the id of the netdata algorithm
+								multiplier: 1,								// the multiplier
+								divisor: 1000,								// the divisor
+								hidden: false								// is hidden (boolean)
+							}
+						}
+					};
+
+					chart = service.chart(id, chart);
+					webbox.charts[id] = chart;
+				}
+
+				service.begin(chart);
+				service.set('GriEgyTdy', Math.round(d['GriEgyTdy'].value * 1000));
+				service.end();
+			}
+
+			if(d['GriEgyTot'].value !== null) {
+				var id = 'sma_webbox_' + service.name + '.total';
+				var chart = webbox.charts[id];
+
+				if(typeof chart === 'undefined') {
+					chart = {
+						id: id,											// the unique id of the chart
+						name: '',										// the unique name of the chart
+						title: service.name + ' Total Grid Power',		// the title of the chart
+						units: d['GriEgyTot'].unit,						// the units of the chart dimensions
+						family: 'total',								// the family of the chart
+						context: 'sma_webbox.grid.power.total',			// the context of the chart
+						type: netdata.chartTypes.area,					// the type of the chart
+						priority: webbox.base_priority + 3,				// the priority relative to others in the same family
+						update_every: service.update_every,				// the expected update frequency of the chart
+						dimensions: {
+							'GriEgyTot': {
+								id: 'GriEgyTot',								// the unique id of the dimension
+								name: 'power',								// the name of the dimension
+								algorithm: netdata.chartAlgorithms.absolute,// the id of the netdata algorithm
+								multiplier: 1,								// the multiplier
+								divisor: 1000,								// the divisor
+								hidden: false								// is hidden (boolean)
+							}
+						}
+					};
+
+					chart = service.chart(id, chart);
+					webbox.charts[id] = chart;
+				}
+
+				service.begin(chart);
+				service.set('GriEgyTot', Math.round(d['GriEgyTot'].value * 1000));
+				service.end();
+			}
+		}
+	},
+
+	// module.serviceExecute()
+	// this function is called only from this module
+	// its purpose is to prepare the request and call
+	// netdata.serviceExecute()
+	serviceExecute: function(name, hostname, update_every) {
+		if(netdata.options.DEBUG === true) netdata.debug(this.name + ': ' + name + ': hostname: ' + hostname + ', update_every: ' + update_every);
+
+		var service = netdata.service({
+			name: name,
+			request: netdata.requestFromURL('http://' + hostname + '/rpc'),
+			update_every: update_every,
+			module: this
+		});
+		service.postData = 'RPC={"proc":"GetPlantOverview","format":"JSON","version":"1.0","id":"1"}';
+		service.request.method = 'POST';
+		service.request.headers['Content-Length'] = service.postData.length;
+
+		service.execute(this.processResponse);
+	},
+
+	configure: function(config) {
+		var added = 0;
+
+		if(typeof(config.servers) !== 'undefined') {
+			var len = config.servers.length;
+			while(len--) {
+				if(typeof config.servers[len].update_every === 'undefined')
+					config.servers[len].update_every = this.update_every;
+
+				if(config.servers[len].update_every < 5)
+					config.servers[len].update_every = 5;
+
+				this.serviceExecute(config.servers[len].name, config.servers[len].hostname, config.servers[len].update_every);
+				added++;
+			}
+		}
+
+		return added;
+	},
+
+	// module.update()
+	// this is called repeatidly to collect data, by calling
+	// netdata.serviceExecute()
+	update: function(service, callback) {
+		service.execute(function(serv, data) {
+			service.module.processResponse(serv, data);
+			callback();
+		});
+	},
+};
+
+module.exports = webbox;
diff --git a/node.d/snmp.node.js b/node.d/snmp.node.js
new file mode 100755
index 00000000..21615f62
--- /dev/null
+++ b/node.d/snmp.node.js
@@ -0,0 +1,436 @@
+'use strict';
+
+// This program will connect to one or more SNMP Agents
+
+// example configuration in /etc/netdata/snmp.conf
+/*
+{
+	"enable_autodetect": false,
+	"update_every": 5,
+	"max_request_size": 50,
+	"servers": [
+		{
+			"hostname": "10.11.12.8",
+			"community": "public",
+			"update_every": 10,
+			"max_request_size": 50,
+			"options": { "timeout": 10000 },
+			"charts": {
+				"snmp_switch.bandwidth_port1": {
+					"title": "Switch Bandwidth for port 1",
+					"units": "kilobits/s",
+					"type": "area",
+					"priority": 1,
+					"dimensions": {
+						"in": {
+							"oid": ".1.3.6.1.2.1.2.2.1.10.1",
+							"algorithm": "incremental",
+							"multiplier": 8,
+							"divisor": 1024
+						},
+						"out": {
+							"oid": ".1.3.6.1.2.1.2.2.1.16.1",
+							"algorithm": "incremental",
+							"multiplier": -8,
+							"divisor": 1024
+						}
+					}
+				},
+				"snmp_switch.bandwidth_port2": {
+					"title": "Switch Bandwidth for port 2",
+					"units": "kilobits/s",
+					"type": "area",
+					"priority": 1,
+					"dimensions": {
+						"in": {
+							"oid": ".1.3.6.1.2.1.2.2.1.10.2",
+							"algorithm": "incremental",
+							"multiplier": 8,
+							"divisor": 1024
+						},
+						"out": {
+							"oid": ".1.3.6.1.2.1.2.2.1.16.2",
+							"algorithm": "incremental",
+							"multiplier": -8,
+							"divisor": 1024
+						}
+					}
+				}
+			}
+		}
+	]
+}
+*/
+
+// You can also give ranges of charts like the following.
+// This will append 1-24 to id, title, oid (on each dimension)
+// so that 24 charts will be created.
+/*
+{
+	"enable_autodetect": false,
+	"update_every": 10,
+	"max_request_size": 50,
+	"servers": [
+		{
+			"hostname": "10.11.12.8",
+			"community": "public",
+			"update_every": 10,
+			"max_request_size": 50,
+			"options": { "timeout": 20000 },
+			"charts": {
+				"snmp_switch.bandwidth_port": {
+					"title": "Switch Bandwidth for port ",
+					"units": "kilobits/s",
+					"type": "area",
+					"priority": 1,
+					"multiply_range": [ 1, 24 ],
+					"dimensions": {
+						"in": {
+							"oid": ".1.3.6.1.2.1.2.2.1.10.",
+							"algorithm": "incremental",
+							"multiplier": 8,
+							"divisor": 1024
+						},
+						"out": {
+							"oid": ".1.3.6.1.2.1.2.2.1.16.",
+							"algorithm": "incremental",
+							"multiplier": -8,
+							"divisor": 1024
+						}
+					}
+				}
+			}
+		}
+	]
+}
+*/
+
+var net_snmp = require('net-snmp');
+var extend = require('extend');
+var netdata = require('netdata');
+
+if(netdata.options.DEBUG === true) netdata.debug('loaded ' + __filename + ' plugin');
+
+netdata.processors.snmp = {
+	name: 'snmp',
+
+	fixoid: function(oid) {
+		if(typeof oid !== 'string')
+			return oid;
+
+		if(oid.charAt(0) === '.')
+			return oid.substring(1, oid.length);
+
+		return oid;
+	},
+
+	prepare: function(service) {
+		if(typeof service.snmp_oids === 'undefined' || service.snmp_oids === null || service.snmp_oids.length === 0) {
+			// this is the first time we see this service
+
+			if(netdata.options.DEBUG === true)
+				netdata.debug(service.module.name + ': ' + service.name + ': preparing ' + this.name + ' OIDs');
+
+			// build an index of all OIDs
+			service.snmp_oids_index = {};
+			for(var c in service.request.charts) {
+				// for each chart
+
+				if(netdata.options.DEBUG === true)
+					netdata.debug(service.module.name + ': ' + service.name + ': indexing ' + this.name + ' chart: ' + c);
+
+				if(typeof service.request.charts[c].titleoid !== 'undefined') {
+						service.snmp_oids_index[this.fixoid(service.request.charts[c].titleoid)] = {
+							type: 'title',
+							link: service.request.charts[c]
+						};
+					}
+
+				for(var d in service.request.charts[c].dimensions) {
+					// for each dimension in the chart
+
+					var oid = this.fixoid(service.request.charts[c].dimensions[d].oid);
+					var oidname = this.fixoid(service.request.charts[c].dimensions[d].oidname);
+					
+					if(netdata.options.DEBUG === true)
+						netdata.debug(service.module.name + ': ' + service.name + ': indexing ' + this.name + ' chart: ' + c + ', dimension: ' + d + ', OID: ' + oid + ", OID name: " + oidname);
+
+					// link it to the point we need to set the value to
+					service.snmp_oids_index[oid] = {
+						type: 'value',
+						link: service.request.charts[c].dimensions[d]
+					};
+
+					if(typeof oidname !== 'undefined')
+						service.snmp_oids_index[oidname] = {
+							type: 'name',
+							link: service.request.charts[c].dimensions[d]
+						};
+
+					// and set the value to null
+					service.request.charts[c].dimensions[d].value = null;
+				}
+			}
+
+			if(netdata.options.DEBUG === true)
+				netdata.debug(service.module.name + ': ' + service.name + ': indexed ' + this.name + ' OIDs: ' + netdata.stringify(service.snmp_oids_index));
+
+			// now create the array of OIDs needed by net-snmp
+			service.snmp_oids = new Array();
+			for(var o in service.snmp_oids_index)
+				service.snmp_oids.push(o);
+
+			if(netdata.options.DEBUG === true)
+				netdata.debug(service.module.name + ': ' + service.name + ': final list of ' + this.name + ' OIDs: ' + netdata.stringify(service.snmp_oids));
+
+			service.snmp_oids_cleaned = 0;
+		}
+		else if(service.snmp_oids_cleaned === 0) {
+			service.snmp_oids_cleaned = 1;
+
+			// the second time, keep only values
+			service.snmp_oids = new Array();
+			for(var o in service.snmp_oids_index)
+				if(service.snmp_oids_index[o].type === 'value')
+					service.snmp_oids.push(o);
+		}
+	},
+
+	getdata: function(service, index, ok, failed, callback) {
+		var that = this;
+
+		if(index >= service.snmp_oids.length) {
+			callback((ok > 0)?{ ok: ok, failed: failed }:null);
+			return;
+		}
+
+		var slice;
+		if(service.snmp_oids.length <= service.request.max_request_size) {
+			slice = service.snmp_oids;
+			index = service.snmp_oids.length;
+		}
+		else if(service.snmp_oids.length - index <= service.request.max_request_size) {
+			slice = service.snmp_oids.slice(index, service.snmp_oids.length);
+			index = service.snmp_oids.length;
+		}
+		else {
+			slice = service.snmp_oids.slice(index, index + service.request.max_request_size);
+			index += service.request.max_request_size;
+		}
+
+		if(netdata.options.DEBUG === true)
+			netdata.debug(service.module.name + ': ' + service.name + ': making ' + slice.length + ' entries request, max is: ' + service.request.max_request_size);
+
+		service.snmp_session.get(slice, function(error, varbinds) {
+			if(error) {
+				service.error('Received error = ' + netdata.stringify(error) + ' varbinds = ' + netdata.stringify(varbinds));
+
+				// make all values null
+				var len = slice.length;
+				while(len--)
+					service.snmp_oids_index[slice[len]].value = null;
+			}
+			else {
+				if(netdata.options.DEBUG === true)
+					netdata.debug(service.module.name + ': ' + service.name + ': got valid ' + service.module.name + ' response: ' + netdata.stringify(varbinds));
+
+				for(var i = 0; i < varbinds.length; i++) {
+					var value = null;
+
+					if(net_snmp.isVarbindError(varbinds[i])) {
+						if(netdata.options.DEBUG === true)
+							netdata.debug(service.module.name + ': ' + service.name + ': failed ' + service.module.name + ' get for OIDs ' + varbinds[i].oid);
+
+						service.error('OID ' + varbinds[i].oid + ' gave error: ' + snmp.varbindError(varbinds[i]));
+						value = null;
+						failed++;
+					}
+					else {
+						if(netdata.options.DEBUG === true)
+							netdata.debug(service.module.name + ': ' + service.name + ': found ' + service.module.name + ' value of OIDs ' + varbinds[i].oid + " = " + varbinds[i].value);
+
+						value = varbinds[i].value;
+						ok++;
+					}
+
+					if(value !== null) {
+						switch(service.snmp_oids_index[varbinds[i].oid].type) {
+							case 'title': service.snmp_oids_index[varbinds[i].oid].link.title += ' ' + value; break;
+							case 'name' : service.snmp_oids_index[varbinds[i].oid].link.name = value; break;
+							case 'value': service.snmp_oids_index[varbinds[i].oid].link.value = value; break;
+						}
+					}
+				}
+
+				if(netdata.options.DEBUG === true)
+					netdata.debug(service.module.name + ': ' + service.name + ': finished ' + service.module.name + ' with ' + ok + ' successful and ' + failed + ' failed values');
+			}
+			that.getdata(service, index, ok, failed, callback);
+		});
+	},
+
+	process: function(service, callback) {
+		this.prepare(service);
+
+		if(service.snmp_oids.length === 0) {
+			// no OIDs found for this service
+
+			if(netdata.options.DEBUG === true)
+				service.error('no OIDs to process.');
+
+			callback(null);
+			return;
+		}
+
+		if(typeof service.snmp_session === 'undefined' || service.snmp_session === null) {
+			// no SNMP session has been created for this service
+			// the SNMP session is just the initialization of NET-SNMP
+
+			if(netdata.options.DEBUG === true)
+				netdata.debug(service.module.name + ': ' + service.name + ': opening ' + this.name + ' session on ' + service.request.hostname + ' community ' + service.request.community + ' options ' + netdata.stringify(service.request.options));
+
+			// create the SNMP session
+			service.snmp_session = net_snmp.createSession (service.request.hostname, service.request.community, service.request.options);
+
+			if(netdata.options.DEBUG === true)
+				netdata.debug(service.module.name + ': ' + service.name + ': got ' + this.name + ' session: ' + netdata.stringify(service.snmp_session));
+
+			// if we later need traps, this is how to do it:
+			//service.snmp_session.trap(net_snmp.TrapType.LinkDown, function(error) {
+			//	if(error) console.error('trap error: ' + netdata.stringify(error));
+			//});
+		}
+
+		// do it, get the SNMP values for the sessions we need
+		this.getdata(service, 0, 0, 0, callback);
+	}
+};
+
+var snmp = {
+	name: __filename,
+	enable_autodetect: true,
+	update_every: 1,
+	base_priority: 50000,
+
+	charts: {},
+
+	processResponse: function(service, data) {
+		if(data !== null) {
+			if(service.added !== true)
+				service.commit();
+
+			for(var c in service.request.charts) {
+				var chart = snmp.charts[c];
+
+				if(typeof chart === 'undefined') {
+					chart = service.chart(c, service.request.charts[c]);
+					snmp.charts[c] = chart;
+				}
+
+				service.begin(chart);
+				
+				for( var d in service.request.charts[c].dimensions )
+					if(service.request.charts[c].dimensions[d].value !== null)
+						service.set(d, service.request.charts[c].dimensions[d].value);
+
+				service.end();
+			}
+		}
+	},
+
+	// module.serviceExecute()
+	// this function is called only from this module
+	// its purpose is to prepare the request and call
+	// netdata.serviceExecute()
+	serviceExecute: function(conf) {
+		if(netdata.options.DEBUG === true)
+			netdata.debug(this.name + ': snmp hostname: ' + conf.hostname + ', update_every: ' + conf.update_every);
+
+		var service = netdata.service({
+			name: conf.hostname,
+			request: conf,
+			update_every: conf.update_every,
+			module: this,
+			processor: netdata.processors.snmp
+		});
+
+		// multiply the charts, if required
+		for(var c in service.request.charts) {
+			if(netdata.options.DEBUG === true)
+				netdata.debug(this.name + ': snmp hostname: ' + conf.hostname + ', examining chart: ' + c);
+
+			if(typeof service.request.charts[c].update_every === 'undefined')
+				service.request.charts[c].update_every = service.update_every;
+
+			if(typeof service.request.charts[c].multiply_range !== 'undefined') {
+				var from = service.request.charts[c].multiply_range[0];
+				var to = service.request.charts[c].multiply_range[1];
+				var prio = service.request.charts[c].priority || 1;
+
+				if(prio < snmp.base_priority) prio += snmp.base_priority;
+
+				while(from <= to) {
+					var id = c + from.toString();
+					var chart = extend(true, {}, service.request.charts[c]);
+					chart.title += from.toString();
+					
+					if(typeof chart.titleoid !== 'undefined')
+						chart.titleoid += from.toString();
+
+					chart.priority = prio++;
+					for(var d in chart.dimensions) {
+						chart.dimensions[d].oid += from.toString();
+
+						if(typeof chart.dimensions[d].oidname !== 'undefined')
+							chart.dimensions[d].oidname += from.toString();
+					}
+					service.request.charts[id] = chart;
+					from++;
+				}
+
+				delete service.request.charts[c];
+			}
+			else {
+				if(service.request.charts[c].priority < snmp.base_priority)
+					service.request.charts[c].priority += snmp.base_priority;
+			}
+		}
+
+		service.execute(this.processResponse);
+	},
+
+	configure: function(config) {
+		var added = 0;
+
+		if(typeof config.max_request_size === 'undefined')
+			config.max_request_size = 50;
+
+		if(typeof(config.servers) !== 'undefined') {
+			var len = config.servers.length;
+			while(len--) {
+				if(typeof config.servers[len].update_every === 'undefined')
+					config.servers[len].update_every = this.update_every;
+
+				if(typeof config.servers[len].max_request_size === 'undefined')
+					config.servers[len].max_request_size = config.max_request_size;
+
+				this.serviceExecute(config.servers[len]);
+				added++;
+			}
+		}
+
+		return added;
+	},
+
+	// module.update()
+	// this is called repeatidly to collect data, by calling
+	// service.execute()
+	update: function(service, callback) {
+		service.execute(function(serv, data) {
+			service.module.processResponse(serv, data);
+			callback();
+		});
+	},
+};
+
+module.exports = snmp;
diff --git a/packaging/README.md b/packaging/README.md
new file mode 100644
index 00000000..664f588e
--- /dev/null
+++ b/packaging/README.md
@@ -0,0 +1,53 @@
+Packaging Tools
+===============
+
+The programs in this folder are used when packaging from within git
+and are not included in source or binary packages.
+
+For the most part they are used from the git commit hooks (copy
+`../hooks/*` to `../.git/hooks` to automate checking and the release
+process.
+
+The check-files script pulls in `*.functions` and `*/*.functions` to
+do the actual work.
+
+`packaging.functions` contains generic checks on e.g `ChangeLog`
+and `configure.ac` and automates release version, checking, tagging
+and post-release update.
+
+Programs and packages with specific needs should create extra
+`whatever.functions` and supporting scripts in a subdirectory.
+
+Making a release
+----------------
+`
+Just update ChangeLog and configure.ac to specify a suitable version
+suffix:
+
+    empty - final release
+    pre.# - pre-release candidate
+    rc.# - pre-release candidate
+
+If it is a final release and there is a package.spec.in, add a new
+entry to the top of the %changelog section and update:
+    PACKAGE_RPM_RELEASE="1"
+
+The hooks will take over and if everything is OK will tag the release
+(you will be asked to sign the tag) and then update the files ready
+for further development.
+
+The release is not pushed out automatically, so if you want to undo
+it, run:
+
+~~~~
+git reset --hard HEAD^^
+git tag -d vx.y.z
+~~~~
+
+Otherwise you can just push the results; the script outputs the required
+instructions upon success.
+
+Once pushed the infrastructure will build a set of tar-files on the server.
+For information on how to verify, sign and make these available, see:
+
+    https://github.com/firehol/infrastructure/raw/master/doc/release.txt
diff --git a/packaging/check-files b/packaging/check-files
new file mode 100755
index 00000000..4827f563
--- /dev/null
+++ b/packaging/check-files
@@ -0,0 +1,126 @@
+#!/bin/bash
+
+#
+# check-files
+#
+scriptname=check-files
+if ! MYTMP=$(mktemp -d -t $scriptname-XXXXXX)
+then
+            echo >&2
+            echo >&2
+            echo >&2 "Cannot create temporary directory."
+            echo >&2
+            exit 1
+fi
+
+cleanup() {
+  status=$?
+  rm -rf "${MYTMP}"
+  exit $status
+}
+
+# clean up if we get stopped by Crtl-C or forced logout or normal exit
+trap cleanup INT
+trap cleanup HUP
+trap cleanup 0
+
+set -e
+if [ "$1" = "--debug" ]
+then
+  set -x
+  shift
+fi
+
+if [ $# -lt 1 ]
+then
+  echo "check-files [--debug] -|filenames"
+  echo "e.g."
+  echo "  git diff | ./packaging/check-files -"
+  echo "or in .git/hooks/pre-commit:"
+  echo "  exec git diff --cached | ./packaging/check-files -"
+  exit 1
+fi
+
+if [ ! -x packaging/check-files ]
+then
+  echo "Must be run from base directory"
+  exit 1
+fi
+
+if [ "$1" = "-" ]
+then
+  from_cache=Y
+  f=""
+else
+  from_cache=
+  for f in "$@"
+  do
+    if [ ! -f "$f" ]
+    then
+      echo "$f: no such file"
+      exit 1
+    fi
+  done
+
+  git status --porcelain "$@" | grep "^?" | cut -c4- > $MYTMP/missing.lst
+
+  while read missing
+  do
+     git update-index --add --cacheinfo \
+          100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 $missing
+  done < $MYTMP/missing.lst
+
+  empty_tree=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+  git diff $empty_tree -- "$@" > $MYTMP/diff.full
+  f=$MYTMP/diff.full
+
+  while read missing
+  do
+     git update-index --force-remove $missing
+  done < $MYTMP/missing.lst
+fi
+
+> $MYTMP/diff.lst sed -e "/^+++ b/{p;s:^+++ b/::;w $MYTMP/files.lst" -e "d;}" $f
+
+#cat $MYTMP/diff.lst
+#cat $MYTMP/files.lst
+
+dirname="${0%/*}"
+if [ "$dirname" = "$0" ]; then dirname="."; fi
+
+for i in $dirname/*.functions $dirname/*/*.functions
+do
+  if [ -f "$i" ]
+  then
+    source $i
+    echo $i | sed -e 's:.*/::' -e 's/\.functions$//' -e 's/\./_/g' >> $MYTMP/fns
+  fi
+done
+
+status=0
+while read fn
+do
+  "${fn}_check_init" $filename || status=1
+done < $MYTMP/fns
+
+while read filename
+do
+  #echo Checking $filename
+  while read fn
+  do
+    if [ $status -eq 0 ]
+    then
+      "${fn}_check_file" $filename || status=1
+    fi
+  done < $MYTMP/fns
+done < $MYTMP/files.lst
+
+if [ $status -eq 0 ]
+then
+  while read fn
+  do
+    "${fn}_check_fin" $filename || status=1
+  done < $MYTMP/fns
+fi
+
+exit $status
diff --git a/packaging/git-build b/packaging/git-build
new file mode 100755
index 00000000..e33d2355
--- /dev/null
+++ b/packaging/git-build
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# When run from the top-level repository, performs a complete clean
+# and maintainer-mode rebuild of the FireHOL package.
+
+if [ ! -f .gitignore -o ! -f configure.ac -o ! -x autogen.sh ]
+then
+  echo "Run as ./packaging/git-build from an autotools git repository"
+  exit 1
+fi
+
+# If we are genuinely in a git repo, try to clean it up, otherwise
+# just make the assumption
+if [ -d .git ]
+then
+  clean=$(git status -s | grep "^?")
+
+  if [ "$clean" ]
+  then
+    if [ "$1" != "-ok" ]
+    then
+      echo "Warning: this script runs: git clean -d -f -x"
+      echo "         ensure all required ?? files are added, then re-run with '-ok'"
+      git status -s | grep '^?'
+      exit 1
+    fi
+  fi
+
+  set -e
+  git clean -d -f -x
+  set +e
+fi
+
+set -e
+./autogen.sh
+./configure --enable-maintainer-mode 
+set +e
+make dist
+status=$?
+exit $status
diff --git a/packaging/packaging.functions b/packaging/packaging.functions
new file mode 100644
index 00000000..397157fc
--- /dev/null
+++ b/packaging/packaging.functions
@@ -0,0 +1,316 @@
+#!/bin/bash
+
+packaging_check_init() {
+  version_check=
+}
+
+packaging_check_file() {
+  local filename="$1" status=0
+
+  case $filename in
+    configure.ac)
+      check_versions || status=1
+      version_check=Y
+    ;;
+    *.spec.in)
+      check_versions || status=1
+      version_check=Y
+    ;;
+    ChangeLog)
+      check_versions || status=1
+      version_check=Y
+      if [ $status -eq 0 ]
+      then
+        check_changelog || status=1
+      fi
+    ;;
+    *)
+      #echo "No checks found for $filename"
+      :
+    ;;
+  esac
+  return $status
+}
+
+packaging_check_fin() {
+  if [ "$version_check" ]
+  then
+    version=`get_configure_ac_version`
+    case "$(match_version $version)" in
+      prerelease|candidate|release)
+        try_build || status=1
+        if [ $status -eq 0 ]
+        then
+           cp $MYTMP/build/*.tar.* .
+           echo "Check $(cd $MYTMP/build && ls *.tar.gz) before pushing tags"
+        fi
+      ;;
+    esac
+  fi
+}
+
+get_staged_file() {
+  local optional=0
+  if [ "$1" = "-o" ]
+  then
+    optional=1
+    shift
+  fi
+
+  local dir="${1%/*}"
+  if [ "$dir" = "$1" ]; then dir="."; fi
+  mkdir -p $MYTMP/files/$dir
+
+  test -f $MYTMP/files/$1 && return 0
+
+  if [ "$from_cache" ]
+  then
+    if [ $optional -eq 1 ]
+    then
+      git show :$1 > $MYTMP/files/$1 2> /dev/null || rm -f $MYTMP/files/$1
+    else
+      git show :$1 > $MYTMP/files/$1
+    fi
+  else
+    if [ $optional -eq 0 -o -f $1 ]
+    then
+      cp $1 $MYTMP/files/$1
+    fi
+  fi
+}
+
+try_build() {
+  if [ -f $MYTMP/success ]; then return 0; fi
+  mkdir -p $MYTMP/build
+  git archive HEAD | tar -xf - -C "$MYTMP/build"
+  git diff --staged | patch -p1 -d "$MYTMP/build"
+  (cd $MYTMP/build; ./packaging/git-build || touch $MYTMP/fail)
+  if [ -f $MYTMP/fail ]; then return 1; fi
+  (cd $MYTMP/build; ./packaging/tar-compare . *.tar.gz || touch $MYTMP/fail)
+  if [ -f $MYTMP/fail ]; then return 1; fi
+  touch $MYTMP/success
+  return 0
+}
+
+get_changelog_version() {
+  get_staged_file ChangeLog
+  local v=`sed -ne '1s/.*(\(.*\)).*/\1/p' $MYTMP/files/ChangeLog`
+  if [ ! "$v" ]; then v="No version in ChangeLog!"; fi
+  echo "$v"
+}
+
+get_configure_ac_version() {
+  get_staged_file configure.ac
+  local v=`sed -n \
+         -e '/define(\[VERSION_\(MINOR\|FIX\)/s/.*\[\([^[]*\)\].*/.\1/p' \
+         -e '/define(\[VERSION_\(MAJOR\|SUFFIX\)/s/.*\[\([^[]*\)\].*/\1/p' \
+         $MYTMP/files/configure.ac | tr -d '\n'`
+  if [ ! "$v" ]; then v="No version in configure.ac!"; fi
+  echo "$v"
+}
+
+get_configure_ac_package() {
+  get_staged_file configure.ac
+  local v=`sed -n -e 's/AC_INIT(\[\([^]]*\)\].*/\1/p' configure.ac`
+  if [ ! "$v" ]; then v="noname"; fi
+  echo "$v"
+}
+
+get_configure_ac_rpmrel() {
+  get_staged_file configure.ac
+  local v=`sed -n -e 's/PACKAGE_RPM_RELEASE="\([^"]*\)".*/\1/p' configure.ac`
+  if [ ! "$v" ]; then v="norpmrel"; fi
+  echo "$v"
+}
+
+get_spec_version() {
+  get_staged_file "$1".spec.in
+  test -f $MYTMP/files/"$1".spec.in || return 0 # Spec file is optional
+  sed -n -e '1,/^%changelog/d' -e '/^*/{s/.*- \([0-9].*\)/\1/p;q}' "$1".spec.in
+}
+
+splitver() {
+	local maj min fix sfx IFS=.-_
+
+	maj=$1
+	min=$2
+	fix=$3
+	sfx=$4
+
+	set -- $5
+	eval $maj=\$1 $min=\$2 $fix=\$3 $sfx=\$4
+}
+
+match_version() {
+  case "$1" in
+     [0-9]*.[0-9]*.[0-9]*_*)
+       # x.y.z_ZZZZ = development branch (can be before or after pre/rc)
+       echo "development"
+     ;;
+     [0-9]*.[0-9]*.[0-9]-pre[0-9]*)
+       echo "prerelease"
+     ;;
+     [0-9]*.[0-9]*.[0-9]-rc.[0-9]*)
+       echo "candidate"
+     ;;
+     [0-9]*.[0-9]*.[0-9]*)
+       echo "release"
+     ;;
+     *)
+       # Unknown
+       :
+     ;;
+  esac
+}
+
+check_versions() {
+  local status=0 exact=0 prerelease=0
+
+  if [ -f $MYTMP/version-checked ]
+  then
+    read status < $MYTMP/version-checked
+    return $status
+  fi
+
+  local confver=`get_configure_ac_version`
+  case "$(match_version $confver)" in
+     development)
+       :
+     ;;
+     prerelease|candidate|release)
+       exact=1
+     ;;
+     *)
+       echo "Unrecognised version in configure.ac ($confver)"
+       status=1
+     ;;
+  esac
+
+  local clogver=`get_changelog_version`
+  case "$(match_version $clogver)" in
+     development)
+       echo "Do not include development branch version in ChangeLog ($clogver)"
+       status=1
+     ;;
+     prerelease|candidate)
+       prerelease=1
+     ;;
+     release)
+       :
+     ;;
+     *)
+       echo "Unrecognised version format in ChangeLog ($clogver)"
+       status=1
+     ;;
+  esac
+
+  local package=`get_configure_ac_package`
+  local specver=`get_spec_version $package`
+
+  local clogmaj clogmin clogfix clogsfx
+  local confmaj confmin conffix confsfx
+  local specmaj specmin specfix specsfx
+
+  splitver clogmaj clogmin clogfix clogsfx "$clogver"
+  splitver confmaj confmin conffix confsfx "$confver"
+  splitver specmaj specmin specfix specsfx "$specver"
+
+  if [ "$specver" ]
+  then
+    if [ $specmaj -ne $clogmaj \
+      -o $specmin -ne $clogmin \
+      -o $specfix -ne $clogfix ]
+    then
+      echo "Main version of $package.spec.in ($specver) differs from ChangeLog ($clogver)"
+      status=1
+    fi
+  fi
+
+  if [ $status -eq 0 -a $exact -eq 0 ]
+  then
+
+    if [ $confmaj -gt $clogmaj \
+      -o $confmin -gt $clogmin \
+      -o $conffix -gt $clogfix ]
+    then
+      :
+    elif [ $confmaj -eq $clogmaj \
+        -a $confmin -eq $clogmin \
+        -a $conffix -eq $clogfix \
+        -a $prerelease -eq 1 ]
+    then
+      :
+    else
+      echo "Version in configure.ac ($confver) lesser than ChangeLog ($clogver)"
+      status=1
+    fi
+  fi
+
+  if [ $exact -eq 1 ]
+  then
+    echo "Running additional release checks"
+
+    if [ "$confver" != "$clogver" ]
+    then
+      echo "Version in configure.ac ($confver) differs from ChangeLog ($clogver)"
+      status=1
+    elif [ "$(git tag -l v$confver)" ]
+    then
+      echo "Tag v$confver already exists"
+      status=1
+    fi
+
+    if [ "$specver" ]
+    then
+      local confrpmrel=`get_configure_ac_rpmrel`
+      if [ "$specsfx" != "$confrpmrel" ]
+      then
+        echo "%changelog suffix in $package.spec.in ($specsfx) differs from configure.ac PACKAGE_RPM_RELEASE ($confrpmrel)"
+        status=1
+      fi
+    fi
+
+    if [ "$(git config user.signingkey)" = "" ]
+    then
+      echo "You need to set up a PGP signing key e.g.:"
+      echo "   gpg --list-keys"
+      echo "and"
+      echo "   git config user.signingkey SHORTID"
+      echo "or"
+      echo "   git config --global user.signingkey SHORTID"
+      status=1
+    fi
+
+    git status -s | grep "^?" > $MYTMP/needclean
+    if [ -s $MYTMP/needclean ]
+    then
+      echo "The following files must be dealt with before commit:"
+      cat $MYTMP/needclean
+      echo "e.g. add them to .gitignore or remove with 'git clean -fdx'"
+      status=1
+    fi
+  fi
+
+  echo $status > $MYTMP/version-checked
+  return $status
+}
+
+check_changelog() {
+  local status=0
+
+  if [ -f $MYTMP/changelog-checked ]
+  then
+    read status < $MYTMP/changelog-checked
+    return $status
+  fi
+
+  local version=`sed -ne '1s/.*(\(.*\)).*/\1/p' $filename`
+  if [ "`echo $version | grep '[[:space:]]'`" != "" ]
+  then
+    echo "ChangeLog version contains whitespace! Fix it!"
+    status=1
+  fi
+
+  echo $status > $MYTMP/changelog-checked
+  return $status
+}
diff --git a/packaging/release-msg b/packaging/release-msg
new file mode 100755
index 00000000..01ec3814
--- /dev/null
+++ b/packaging/release-msg
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+#
+# release-msg
+#
+scriptname=release-msg
+if ! MYTMP=$(mktemp -d -t $scriptname-XXXXXX)
+then
+            echo >&2
+            echo >&2
+            echo >&2 "Cannot create temporary directory."
+            echo >&2
+            exit 1
+fi
+
+cleanup() {
+  status=$?
+  rm -rf "${MYTMP}"
+  exit $status
+}
+
+# clean up if we get stopped by Crtl-C or forced logout or normal exit
+trap cleanup INT
+trap cleanup HUP
+trap cleanup 0
+
+set -e
+if [ "$1" = "--debug" ]
+then
+  set -x
+  shift
+fi
+
+if [ $# -lt 1 ]
+then
+  echo "Use only from .git/hooks/prepare-commit-msg"
+  exit 1
+fi
+
+if [ ! -x packaging/release-msg ]
+then
+  echo "Must be run from base directory"
+  exit 1
+fi
+
+dirname="${0%/*}"
+if [ "$dirname" = "$0" ]; then dirname="."; fi
+source $dirname/packaging.functions
+
+mkdir -p $MYTMP/files
+git show :configure.ac > $MYTMP/files/configure.ac
+version=`get_configure_ac_version`
+case "$(match_version $version)" in
+  prerelease|candidate|release)
+    sed -i -e "1s/.*/Prepare release $version/" "$1"
+  ;;
+esac
+
+exit 0
diff --git a/packaging/tar-compare b/packaging/tar-compare
new file mode 100755
index 00000000..02ec3c29
--- /dev/null
+++ b/packaging/tar-compare
@@ -0,0 +1,62 @@
+#!/bin/sh
+
+# When provided with a git repo, which has been used to produce a
+# distribution tar.gz (with make dist) and the resultant tar-file,
+# lists files which appear in one or the other only, to help check
+# for missing EXTRA_DIST entries in Makefile.am files.
+
+scriptname=tar-compare
+if ! MYTMP=$(mktemp -d -t $scriptname-XXXXXX)
+then
+            echo >&2
+            echo >&2
+            echo >&2 "Cannot create temporary directory."
+            echo >&2
+            exit 1
+fi
+
+cleanup() {
+  status=$?
+  rm -rf "${MYTMP}"
+  exit $status
+}
+
+# clean up if we get stopped by Crtl-C or forced logout or normal exit
+trap cleanup INT
+trap cleanup HUP
+trap cleanup 0
+
+if [ $# -ne 2 ]
+then
+  echo "tar-compare git-dir tar-gz-file"
+  exit 1
+fi
+
+mkdir $MYTMP/unpack
+tar xfzC "$2" $MYTMP/unpack
+diff -r "$1" $MYTMP/unpack/* | grep "^Only" | sed \
+	-e '/: autom4te\.cache$/d' \
+	-e '/: \.deps$/d' \
+	-e '/: \.git$/d' \
+	-e '/: \.gitattributes$/d' \
+	-e '/: \.gitignore$/d' \
+	-e '/: config\.log$/d' \
+	-e '/: config\.status$/d' \
+	-e '/: config\.h.*$/d' \
+	-e '/: Makefile$/d' \
+	-e '/: hooks$/d' \
+	-e '/: packaging$/d' \
+	-e '/: stamp-h1$/d' \
+	-e '/: README\.md$/d' \
+	-e '/: tmp-anchor-links$/d' \
+	-e '/: tmp-manproc$/d' \
+	-e '/: .*\.tar\.\(gz\|bz2\|xz\)$/d' \
+	-e '/: unittest$/d' \
+	-e '/: iprange$/d' \
+	-e '/: .*\.o$/d' \
+	-e '/sbin: \(firehol\|fireqos\|link-balancer\)$/d' \
+	-e '/sbin: \(update-ipsets\|vnetbuild\|commands.sed\)$/d' > $MYTMP/out
+
+cat $MYTMP/out
+test -s $MYTMP/out && exit 1
+exit 0
diff --git a/packaging/update-tags b/packaging/update-tags
new file mode 100755
index 00000000..6823fce1
--- /dev/null
+++ b/packaging/update-tags
@@ -0,0 +1,149 @@
+#!/bin/bash
+
+#
+# update-tags
+#
+scriptname=update-tags
+if ! MYTMP=$(mktemp -d -t $scriptname-XXXXXX)
+then
+            echo >&2
+            echo >&2
+            echo >&2 "Cannot create temporary directory."
+            echo >&2
+            exit 1
+fi
+
+cleanup() {
+  status=$?
+  if [ $status -ne 0 ]
+  then
+    echo "FAILED."
+    if [ "$TAGVER" ]
+    then
+      git tag -d "$TAGVER"
+    fi
+    echo "To re-run manually:"
+    echo "  git diff HEAD^ | ./packaging/update-tags -"
+    echo "To undo commit:"
+    echo "  git reset HEAD^"
+  fi
+  rm -rf "${MYTMP}"
+  exit $status
+}
+
+# clean up if we get stopped by Crtl-C or forced logout or normal exit
+trap cleanup INT
+trap cleanup HUP
+trap cleanup 0
+
+set -e
+if [ "$1" = "--debug" ]
+then
+  set -x
+  shift
+fi
+
+if [ $# -lt 1 ]
+then
+  echo "Use only from .git/hooks/post-commit"
+  exit 1
+fi
+
+if [ ! -x packaging/update-tags ]
+then
+  echo "Must be run from base directory"
+  exit 1
+fi
+
+if [ "$1" = "-" ]
+then
+  from_cache=Y
+  f=""
+else
+  from_cache=
+  for f in "$@"
+  do
+    if [ ! -f "$f" ]
+    then
+      echo "$f: no such file"
+      exit 1
+    fi
+  done
+
+  git status --porcelain "$@" | grep "^?" | cut -c4- > $MYTMP/missing.lst
+
+  while read missing
+  do
+     git update-index --add --cacheinfo \
+          100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 $missing
+  done < $MYTMP/missing.lst
+
+  empty_tree=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+  git diff $empty_tree -- "$@" > $MYTMP/diff.full
+  f=$MYTMP/diff.full
+
+  while read missing
+  do
+     git update-index --force-remove $missing
+  done < $MYTMP/missing.lst
+fi
+
+> $MYTMP/diff.lst sed -e "/^+++ b/{p;s:^+++ b/::;w $MYTMP/files.lst" -e "d;}" $f
+
+#cat $MYTMP/diff.lst
+#cat $MYTMP/files.lst
+
+dirname="${0%/*}"
+if [ "$dirname" = "$0" ]; then dirname="."; fi
+source $dirname/packaging.functions
+
+status=0
+while read filename
+do
+  #echo Checking $filename
+  case $filename in
+    configure.ac|ChangeLog)
+      mkdir -p $MYTMP/files
+      git show HEAD:configure.ac > $MYTMP/files/configure.ac
+      version=`get_configure_ac_version`
+      case "$(match_version $version)" in
+         prerelease|candidate|release)
+           do_release=Y
+         ;;
+      esac
+    ;;
+    *)
+      #echo "No checks found for $filename"
+      :
+    ;;
+  esac
+done < $MYTMP/files.lst
+
+if [ "$do_release" ]
+then
+  echo "Tagging new release with:"
+  echo "   git tag -s \"v$version\" -m \"Release version $version\""
+  git tag -s "v$version" -m "Release version $version"
+  TAGVER="v$version"
+
+  splitver confmaj confmin conffix confsfx "$version"
+  if [ ! "$confsfx" ]
+  then
+    echo "Incrementing version in configure.ac:"
+    conffix=`expr $conffix + 1`
+    sed -i -e "s/define(\[VERSION_FIX\], \[.*])/define([VERSION_FIX], [$conffix])/" configure.ac
+  fi
+
+  echo "Resetting suffix in configure.ac:"
+  sed -i -e 's/define(\[VERSION_SUFFIX\], \[.*])/define([VERSION_SUFFIX], [_master])/' configure.ac
+  sed -i -e 's:^PACKAGE_RPM_RELEASE=.*:PACKAGE_RPM_RELEASE="0.0.$(echo VERSION_SUFFIX | sed s/^_//)":' configure.ac
+
+  echo "Committing new configure.ac:"
+  git commit --no-verify -m "Post release $version" -- configure.ac
+  echo ""
+  echo "Verify, then:"
+  echo "  git push origin"
+  echo "  git push origin tag $TAGVER"
+fi
+
+exit $status
diff --git a/plugins.d/Makefile.am b/plugins.d/Makefile.am
new file mode 100644
index 00000000..a89ee4cd
--- /dev/null
+++ b/plugins.d/Makefile.am
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
+#
+MAINTAINERCLEANFILES= $(srcdir)/Makefile.in
+
+dist_plugins_DATA = \
+	README.md \
+	$(NULL)
+
+dist_plugins_SCRIPTS = \
+	charts.d.dryrun-helper.sh \
+	charts.d.plugin \
+	node.d.plugin \
+	tc-qos-helper.sh \
+	loopsleepms.sh.inc \
+	$(NULL)
diff --git a/plugins.d/README.md b/plugins.d/README.md
new file mode 100644
index 00000000..35b9a2d9
--- /dev/null
+++ b/plugins.d/README.md
@@ -0,0 +1,236 @@
+netdata plugins
+===============
+
+Any program that can print a few values to its standard output can become
+a netdata plugin.
+
+There are 5 lines netdata parses. lines starting with:
+
+- `CHART` - create a new chart
+- `DIMENSION` - add a dimension to the chart just created
+- `BEGIN` - initialize data collection for a chart
+- `SET` - set the value of a dimension for the initialized chart
+- `END` - complete data collection for the initialized chart
+
+a single program can produce any number of charts with any number of dimensions
+each.
+
+charts can also be added any time (not just the beginning).
+
+### command line parameters
+
+The plugin should accept just **one** parameter: **the number of seconds it is
+expected to update the values for its charts**. The value passed by netdata
+to the plugin is controlled via its configuration file (so there is not need
+for the plugin to handle this configuration option).
+
+The script can overwrite the update frequency. For example, the server may
+request per second updates, but the script may overwrite this to one update
+every 5 seconds.
+
+### environment variables
+
+There are a few environment variables that are set by `netdata` and are
+available for the plugin to use.
+
+variable|description
+:------:|:----------
+`NETDATA_CONFIG_DIR`|The directory where all netdata related configuration should be stored. If the plugin requires custom configuration, this is the place to save it.
+`NETDATA_PLUGINS_DIR`|The directory where all netdata plugins are stored.
+`NETDATA_WEB_DIR`|The directory where the web files of netdata are saved.
+`NETDATA_CACHE_DIR`|The directory where the cache files of netdata are stored. Use this directory if the plugin requires a place to store data. A new directory should be created for the plugin for this purpose, inside this directory.
+`NETDATA_LOG_DIR`|The directory where the log files are stored. By default the `stderr` output of the plugin will be saved in the `error.log` file of netdata.
+`NETDATA_HOST_PREFIX`|This is used in environments where system directories like `/sys` and `/proc` have to be accessed at a different path.
+`NETDATA_DEBUG_FLAGS`|This is number (probably in hex starting with `0x`), that enables certain netdata debugging features.
+`NETDATA_UPDATE_EVERY`|The minimum number of seconds between chart refreshes. This is like the **internal clock** of netdata (it is user configurable, defaulting to `1`). There is no meaning for a plugin to update its values more frequently than this number of seconds.
+
+
+# the output of the plugin
+
+The plugin should output instructions for netdata to its output (`stdout`).
+
+## CHART
+
+`CHART` defines a new chart.
+
+the template is:
+
+> CHART type.id name title units [family [category [charttype [priority [update_every]]]]]
+
+ where:
+  - `type.id`
+
+    uniquely identifies the chart,
+    this is what will be needed to add values to the chart
+
+  - `name`
+
+    is the name that will be presented to the used for this chart
+
+  - `title`
+
+    the text above the chart
+
+  - `units`
+
+    the label of the vertical axis of the chart,
+    all dimensions added to a chart should have the same units
+    of measurement
+
+  - `family`
+
+    is used to group charts together
+    (for example all eth0 charts should say: eth0),
+    if empty or missing, the `id` part of `type.id` will be used
+
+  - `category`
+
+    the section under which the chart will appear
+    (for example mem.ram should appear in the 'system' section),
+    the special word 'none' means: do not show this chart on the home page,
+    if empty or missing, the `type` part of `type.id` will be used
+
+  - `charttype`
+
+    one of `line`, `area` or `stacked`,
+    if empty or missing, the `line` will be used
+
+  - `priority`
+
+    is the relative priority of the charts as rendered on the web page,
+    lower numbers make the charts appear before the ones with higher numbers,
+    if empty or missing, `1000` will be used
+
+  - `update_every`
+
+    overwrite the update frequency set by the server,
+    if empty or missing, the user configured value will be used
+
+
+## DIMENSION
+
+`DIMENSION` defines a new dimension for the chart
+
+the template is:
+
+> DIMENSION id [name [algorithm [multiplier [divisor [hidden]]]]]
+
+ where:
+
+  - `id`
+
+    the `id` of this dimension (it is a text value, not numeric),
+    this will be needed later to add values to the dimension
+
+  - `name`
+
+    the name of the dimension as it will appear at the legend of the chart,
+    if empty or missing the `id` will be used
+
+  - `algorithm`
+
+    one of:
+
+    * `absolute`
+
+      the value is to drawn as-is (interpolated to second boundary),
+      if `algorithm` is empty, invalid or missing, `absolute` is used
+
+    * `incremental`
+
+      the value increases over time,
+      the difference from the last value is presented in the chart,
+      the server interpolates the value and calculates a per second figure
+
+    * `percentage-of-absolute-row`
+
+      the % of this value compared to the total of all dimensions
+
+    * `percentage-of-incremental-row`
+
+      the % of this value compared to the incremental total of
+      all dimensions
+
+  - `multiplier`
+
+    an integer value to multiply the collected value,
+    if empty or missing, `1` is used
+
+  - `divisor`
+
+    an integer value to divide the collected value,
+    if empty or missing, `1` is used
+
+  - `hidden`
+
+    giving the keyword `hidden` will make this dimension hidden,
+    it will take part in the calculations but will not be presented in the chart
+
+
+## data collection
+
+data collection is defined as a series of `BEGIN` -> `SET` -> `END` lines
+
+> BEGIN type.id [microseconds]
+
+  - `type.id`
+
+    is the unique identification of the chart (as given in `CHART`)
+
+  - `microseconds`
+
+    is the number of microseconds since the last update of the chart,
+    it is optional.
+
+    Under heavy system load, the system may have some latency transfering
+    data from the plugins to netdata via the pipe. This number improves
+    accuracy significantly, since the plugin is able to calculate the
+    duration between its iterations better than netdata.
+
+    The first time the plugin is started, no microseconds should be given
+    to netdata.
+
+> SET id = value
+
+   - `id`
+
+     is the unique identification of the dimension (of the chart just began)
+
+   - `value`
+
+     is the collected value
+
+> END
+
+  END does not take any parameters, it commits the collected values to the chart.
+
+More `SET` lines may appear to update all the dimensions of the chart.
+All of them in one `BEGIN` -> `END` block.
+
+All `SET` lines within a single `BEGIN` -> `END` block have to refer to the
+same chart.
+
+If more charts need to be updated, each chart should have its own
+`BEGIN` -> `SET` -> `END` block.
+
+If, for any reason, a plugin has issued a `BEGIN` but wants to cancel it,
+it can issue a `FLUSH`. The `FLUSH` command will instruct netdata to ignore
+the last `BEGIN` command.
+
+If a plugin does not behave properly (outputs invalid lines, or does not
+follow these guidelines), will be disabled by netdata.
+
+
+### collected values
+
+netdata will collect any **signed** value in the 64bit range:
+`-9.223.372.036.854.775.808` to `+9.223.372.036.854.775.807`
+
+Internally, all calculations are made using 128 bit double precision and are
+stored in 30 bits as floating point.
+
+If a value is not collected, leave it empty, like this:
+
+`SET id = `
+
+or do not output the line at all.
diff --git a/plugins.d/charts.d.dryrun-helper.sh b/plugins.d/charts.d.dryrun-helper.sh
new file mode 100755
index 00000000..64645289
--- /dev/null
+++ b/plugins.d/charts.d.dryrun-helper.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+
+# will stop the script for any error
+set -e
+
+me="$0"
+name="$1"
+chart="$2"
+conf="$3"
+
+can_diff=1
+
+tmp1="`mktemp`"
+tmp2="`mktemp`"
+
+myset() {
+	set | grep -v "^_="	| grep -v "^PIPESTATUS=" | grep -v "^BASH_LINENO="
+}
+
+# save 2 'set'
+myset >"$tmp1"
+myset >"$tmp2"
+
+# make sure they don't differ
+diff "$tmp1" "$tmp2" >/dev/null 2>&1
+if [ $? -ne 0 ]
+then
+	# they differ, we cannot do the check
+	echo >&2 "$me: cannot check with diff."
+	can_diff=0
+fi
+
+# do it again, now including the script
+myset >"$tmp1"
+
+# include the plugin and its config
+if [ -f "$conf" ]
+then
+	. "$conf"
+	if [ $? -ne 0 ]
+	then
+		echo >&2 "$me: cannot load config file $conf"
+		rm "$tmp1" "$tmp2"
+		exit 1
+	fi
+fi
+
+. "$chart"
+if [ $? -ne 0 ]
+then
+	echo >&2 "$me: cannot load chart file $chart"
+	rm "$tmp1" "$tmp2"
+	exit 1
+fi
+
+# remove all variables starting with the plugin name
+myset | grep -v "^$name" >"$tmp2"
+
+if [ $can_diff -eq 1 ]
+then
+	# check if they are different
+	# make sure they don't differ
+	diff "$tmp1" "$tmp2" >&2
+	if [ $? -ne 0 ]
+	then
+		# they differ
+		rm "$tmp1" "$tmp2"
+		exit 1
+	fi
+fi
+
+rm "$tmp1" "$tmp2"
+exit 0
diff --git a/plugins.d/charts.d.plugin b/plugins.d/charts.d.plugin
new file mode 100755
index 00000000..40c0356c
--- /dev/null
+++ b/plugins.d/charts.d.plugin
@@ -0,0 +1,592 @@
+#!/bin/bash
+
+PROGRAM_FILE="$0"
+PROGRAM_NAME="$(basename $0)"
+PROGRAM_NAME="${PROGRAM_NAME/.plugin}"
+
+# if you need to run parallel charts.d processes
+# just link this files with a different name
+# in the same directory, with a .plugin suffix
+# netdata will start multiple of them
+# each will have a different config file
+
+echo >&2 "$PROGRAM_NAME: started from '$PROGRAM_FILE' with options: $*"
+
+if [ $(( ${BASH_VERSINFO[0]} )) -lt 4 ]
+then
+	echo >&2
+	echo >&2 "$PROGRAM_NAME: ERROR"
+	echo >&2 "BASH version 4 or later is required."
+	echo >&2 "You are running version: ${BASH_VERSION}"
+	echo >&2 "Please upgrade."
+	echo >&2
+	exit 1
+fi
+
+# check a few commands
+require_cmd() {
+	which "$1" >/dev/null
+	if [ $? -ne 0 ]
+		then
+		echo >&2 "$PROGRAM_NAME: ERROR: Command '$1' is not found in the system path."
+		return 1
+	fi
+	return 0
+}
+
+require_cmd date || exit 1
+require_cmd sed || exit 1
+require_cmd basename || exit 1
+require_cmd dirname || exit 1
+require_cmd cat || exit 1
+require_cmd grep || exit 1
+require_cmd egrep || exit 1
+require_cmd mktemp || exit 1
+require_cmd awk || exit 1
+
+# -----------------------------------------------------------------------------
+# insternal defaults
+# netdata exposes a few environment variables for us
+
+pause_method="sleep" # use either "suspend" or "sleep"
+                     # DO NOT USE SUSPEND - LINUX WILL SUSPEND NETDATA TOO
+                     # THE WHOLE PROCESS GROUP - NOT JUST THE SHELL
+
+pluginsd="${NETDATA_PLUGINS_DIR}"
+[ -z "$pluginsd" ] && pluginsd="$( dirname $PROGRAM_FILE )"
+
+confd="${NETDATA_CONFIG_DIR-/etc/netdata}"
+chartsd="$pluginsd/../charts.d"
+
+myconfig="$confd/$PROGRAM_NAME.conf"
+
+minimum_update_frequency="${NETDATA_UPDATE_EVERY-1}"
+update_every=${minimum_update_frequency}	# this will be overwritten by the command line
+
+# work around for non BASH shells
+charts_create="_create"
+charts_update="_update"
+charts_check="_check"
+charts_undescore="_"
+
+# when making iterations, charts.d can loop more frequently
+# to prevent plugins missing iterations.
+# this is a percentage relative to update_every to align its
+# iterations.
+# The minimum is 10%, the maximum 100%.
+# So, if update_every is 1 second and time_divisor is 50,
+# charts.d will iterate every 500ms.
+# Charts will be called to collect data only if the time
+# passed since the last time the collected data is equal or
+# above their update_every.
+time_divisor=50
+
+# number of seconds to run without restart
+# after this time, charts.d.plugin will exit
+# netdata will restart it
+restart_timeout=$[3600 * 4]
+
+# check if the charts.d plugins are using global variables
+# they should not.
+# It does not currently support BASH v4 arrays, so it is
+# disabled
+dryrunner=0
+
+# check for timeout command
+check_for_timeout=1
+
+# the default enable/disable value for all charts
+enable_all_charts="yes"
+
+# -----------------------------------------------------------------------------
+# parse parameters
+
+debug=0
+check=0
+chart_only=
+while [ ! -z "$1" ]
+do
+	if [ "$1" = "check" ]
+	then
+		check=1
+		shift
+		continue
+	fi
+
+	if [ "$1" = "debug" -o "$1" = "all" ]
+	then
+		debug=1
+		shift
+		continue
+	fi
+
+	if [ -f "$chartsd/$1.chart.sh" ]
+	then
+		debug=1
+		chart_only="$( echo $1.chart.sh | sed "s/\.chart\.sh$//g" )"
+		shift
+		continue
+	fi
+
+	if [ -f "$chartsd/$1" ]
+	then
+		debug=1
+		chart_only="$( echo $1 | sed "s/\.chart\.sh$//g" )"
+		shift
+		continue
+	fi
+
+	# number check
+	n="$1"
+	x=$(( n ))
+	if [ "$x" = "$n" ]
+	then
+		shift
+		update_every=$x
+		[ $update_every -lt $minimum_update_frequency ] && update_every=$minimum_update_frequency
+		continue
+	fi
+
+	echo >&2 "Cannot understand parameter $1. Aborting."
+	echo "DISABLE"
+	exit 1
+done
+
+
+# -----------------------------------------------------------------------------
+# load my configuration
+
+if [ -f "$myconfig" ]
+	then
+	. "$myconfig"
+	if [ $? -ne 0 ]
+	then
+		echo >&2 "$PROGRAM_NAME: cannot load $myconfig"
+		echo "DISABLE"
+		exit 1
+	fi
+	time_divisor=$((time_divisor))
+	[ $time_divisor -lt 10 ] && time_divisor=10
+	[ $time_divisor -gt 100 ] && time_divisor=100
+else
+	echo >&2 "$PROGRAM_NAME: configuration file '$myconfig' not found. Using defaults."
+fi
+
+if [ "$pause_method" = "suspend" ]
+then
+	# enable bash job control
+	# this is required for suspend to work
+	set -m
+fi
+
+# we check for the timeout command, after we load our
+# configuration, so that the user may overwrite the
+# timeout command we use, providing a function that
+# can emulate the timeout command we need:
+# > timeout SECONDS command ...
+if [ $check_for_timeout -eq 1 ]
+	then
+	require_cmd timeout || exit 1
+fi
+
+# -----------------------------------------------------------------------------
+# internal checks
+
+# netdata passes the requested update frequency as the first argument
+update_every=$(( update_every + 1 - 1))	# makes sure it is a number
+test $update_every -eq 0 && update_every=1 # if it is zero, make it 1
+
+# check the charts.d directory
+if [ ! -d "$chartsd" ]
+	then
+	echo >&2 "$PROGRAM_NAME: cannot find charts directory '$chartsd'"
+	echo "DISABLE"
+fi
+
+
+# -----------------------------------------------------------------------------
+# loop control
+
+# default sleep function
+LOOPSLEEPMS_HIGHRES=0
+loopsleepms() {
+	[ "$1" = "tellwork" ] && shift
+	sleep $1
+}
+
+now_ms=
+current_time_ms() {
+	now_ms="$(date +'%s')000"
+}
+
+# if found and included, this file overwrites loopsleepms()
+# and current_time_ms() with a high resolution timer function
+# for precise looping.
+. "$pluginsd/loopsleepms.sh.inc"
+
+
+# -----------------------------------------------------------------------------
+# library functions
+
+fixid() {
+	echo "$*" |\
+		tr -c "[A-Z][a-z][0-9]" "_" |\
+		sed -e "s|^_\+||g" -e "s|_\+$||g" -e "s|_\+|_|g" |\
+		tr "[A-Z]" "[a-z]"
+}
+
+# convert any floating point number
+# to integer, give a multiplier
+# the result is stored in ${FLOAT2INT_RESULT}
+# so that no fork is necessary
+# the multiplier must be a power of 10
+float2int() {
+	local f m="$2" a b l v=($1)
+	f=${v[0]}
+
+	# echo >&2 "value='${1}' f='${f}', m='${m}'"
+
+	# the length of the multiplier - 1
+	l=$[ ${#m} - 1 ]
+
+	# split the floating point number
+	# in integer (a) and decimal (b)
+	a=${f/.*/}
+	b=${f/*./}
+
+	# prepend a zero to the integer part
+	# if it is missing
+	[ -z "${a}" ] && a="0"
+	# strip leading zeros - base 10 convertion
+	a=$[10#$a]
+
+	# check the length of the decimal part
+	# against the length of the multiplier
+	if [ ${#b} -gt ${l} ]
+		then
+		# too many digits - take the most significant
+		b=${b:0:${l}}
+	elif [ ${#b} -lt ${l} ]
+		then
+		# too few digits - pad with zero on the right
+		local z="00000000000000000000000" r=$[l - ${#b}]
+		b="${b}${z:0:${r}}"
+	fi
+	# strip leading zeros - base 10 convertion
+	b=$[10#$b]
+
+	# store the result
+	FLOAT2INT_RESULT=$[ (a * m) + b ]
+	#echo >&2 "FLOAT2INT_RESULT='${FLOAT2INT_RESULT}'"
+}
+
+
+# -----------------------------------------------------------------------------
+# charts check functions
+
+all_charts() {
+	cd "$chartsd"
+	[ $? -ne 0 ] && echo >&2 "$PROGRAM_NAME: Cannot cd to $chartsd" && return 1
+
+	ls *.chart.sh | sed "s/\.chart\.sh$//g"
+}
+
+all_enabled_charts() {
+	local charts= enabled=
+
+	# find all enabled charts
+
+	for chart in $( all_charts )
+	do
+		eval "enabled=\$$chart"
+		if [ -z "${enabled}" ]
+			then
+			enabled="${enable_all_charts}"
+		fi
+
+		if [ ! "${enabled}" = "yes" ]
+		then
+			echo >&2 "$PROGRAM_NAME: '$chart' is NOT enabled. Add a line with $chart=yes in $myconfig to enable it (or remove the line that disables it)."
+		else
+			[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: '$chart' is enabled."
+			local charts="$charts $chart"
+		fi
+	done
+
+	local charts2=
+	for chart in $charts
+	do
+		# check the enabled charts
+		local check="$( cat "$chartsd/$chart.chart.sh" | sed "s/^ \+//g" | grep "^$chart$charts_check()" )"
+		if [ -z "$check" ]
+		then
+			echo >&2 "$PROGRAM_NAME: chart '$chart' does not seem to have a $chart$charts_check() function. Disabling it."
+			continue
+		fi
+
+		local create="$( cat "$chartsd/$chart.chart.sh" | sed "s/^ \+//g" | grep "^$chart$charts_create()" )"
+		if [ -z "$create" ]
+		then
+			echo >&2 "$PROGRAM_NAME: chart '$chart' does not seem to have a $chart$charts_create() function. Disabling it."
+			continue
+		fi
+
+		local update="$( cat "$chartsd/$chart.chart.sh" | sed "s/^ \+//g" | grep "^$chart$charts_update()" )"
+		if [ -z "$update" ]
+		then
+			echo >&2 "$PROGRAM_NAME: chart '$chart' does not seem to have a $chart$charts_update() function. Disabling it."
+			continue
+		fi
+
+		# check its config
+		#if [ -f "$confd/$chart.conf" ]
+		#then
+		#	if [ ! -z "$( cat "$confd/$chart.conf" | sed "s/^ \+//g" | grep -v "^$" | grep -v "^#" | grep -v "^$chart$charts_undescore" )" ]
+		#	then
+		#		echo >&2 "$PROGRAM_NAME: chart's $chart config $confd/$chart.conf should only have lines starting with $chart$charts_undescore . Disabling it."
+		#		continue
+		#	fi
+		#fi
+
+		#if [ $dryrunner -eq 1 ]
+		#	then
+		#	"$pluginsd/charts.d.dryrun-helper.sh" "$chart" "$chartsd/$chart.chart.sh" "$confd/$chart.conf" >/dev/null
+		#	if [ $? -ne 0 ]
+		#	then
+		#		echo >&2 "$PROGRAM_NAME: chart's $chart did not pass the dry run check. This means it uses global variables not starting with $chart. Disabling it."
+		#		continue
+		#	fi
+		#fi
+
+		local charts2="$charts2 $chart"
+	done
+
+	echo $charts2
+	[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: enabled charts: $charts2"
+}
+
+
+# -----------------------------------------------------------------------------
+# load the charts
+
+suffix_update_every="_update_every"
+active_charts=
+for chart in $( all_enabled_charts )
+do
+	[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: loading chart: '$chartsd/$chart.chart.sh'"
+	. "$chartsd/$chart.chart.sh"
+
+	if [ -f "$confd/$chart.conf" ]
+	then
+		[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: loading chart options: '$confd/$chart.conf'"
+		. "$confd/$chart.conf"
+	else
+		echo >&2 "$PROGRAM_NAME: $chart: configuration file '$confd/$chart.conf' not found. Using defaults."
+	fi
+
+	eval "dt=\$$chart$suffix_update_every"
+	dt=$(( dt + 1 - 1 )) # make sure it is a number
+	if [ $dt -lt $update_every ]
+	then
+		eval "$chart$suffix_update_every=$update_every"
+	fi
+
+	$chart$charts_check
+	if [ $? -eq 0 ]
+	then
+		[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: '$chart' activated"
+		active_charts="$active_charts $chart"
+	else
+		echo >&2 "$PROGRAM_NAME: chart '$chart' check() function reports failure."
+	fi
+done
+[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: activated charts: $active_charts"
+
+
+# -----------------------------------------------------------------------------
+# check overwrites
+
+# enable work time reporting
+debug_time=
+test $debug -eq 1 && debug_time=tellwork
+
+# if we only need a specific chart, remove all the others
+if [ ! -z "${chart_only}" ]
+then
+	[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: requested to run only for: '${chart_only}'"
+	check_charts=
+	for chart in $active_charts
+	do
+		if [ "$chart" = "$chart_only" ]
+		then
+			check_charts="$chart"
+			break
+		fi
+	done
+	active_charts="$check_charts"
+fi
+[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: activated charts: $active_charts"
+
+# stop if we just need a pre-check
+if [ $check -eq 1 ]
+then
+	echo >&2 "CHECK RESULT"
+	echo >&2 "Will run the charts: $active_charts"
+	exit 0
+fi
+
+# -----------------------------------------------------------------------------
+# create temp dir
+
+TMP_DIR=
+chartsd_cleanup() {
+	cd /tmp
+	if [ ! -z "$TMP_DIR" -a -d "$TMP_DIR" ]
+	then
+		[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: cleaning up temporary directory $TMP_DIR ..."
+		rm -rf "$TMP_DIR"
+	fi
+	exit 0
+}
+trap chartsd_cleanup EXIT
+trap chartsd_cleanup SIGHUP
+trap chartsd_cleanup INT
+
+if [ $UID = "0" ]
+then
+	TMP_DIR="$( mktemp -d /var/run/netdata-${PROGRAM_NAME}-XXXXXXXXXX )"
+else
+	TMP_DIR="$( mktemp -d /tmp/.netdata-${PROGRAM_NAME}-XXXXXXXXXX )"
+fi
+
+cd "$TMP_DIR" || exit 1
+
+# -----------------------------------------------------------------------------
+# create charts
+
+run_charts=
+for chart in $active_charts
+do
+	[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: Calling '$chart$charts_create()'..."
+	$chart$charts_create
+	if [ $? -eq 0 ]
+	then
+		run_charts="$run_charts $chart"
+		[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: '$chart' has initialized."
+	else
+		echo >&2 "$PROGRAM_NAME: chart '$chart' function '$chart$charts_create()' reports failure."
+	fi
+done
+[ $debug -eq 1 ] && echo >&2 "$PROGRAM_NAME: run_charts='$run_charts'"
+
+
+# -----------------------------------------------------------------------------
+# update dimensions
+
+if [ -z "$run_charts" ]
+	then
+	echo >&2 "$PROGRAM_NAME: No charts to collect data from."
+	echo "DISABLE"
+	exit 1
+fi
+
+declare -A charts_last_update=() charts_update_every=() charts_next_update=() charts_run_counter=()
+global_update() {
+	local exit_at \
+		c=0 dt ret last_ms exec_start_ms exec_end_ms \
+		chart now_charts=() next_charts=($run_charts)
+
+	# return the current time in ms in $now_ms
+	current_time_ms
+
+	exit_at=$(( now_ms + (restart_timeout * 1000) ))
+
+	for chart in $run_charts
+	do
+		eval "charts_update_every[$chart]=\$$chart$suffix_update_every"
+		test -z "${charts_update_every[$chart]}" && charts_update_every[$charts]=$update_every
+		charts_last_update[$chart]=$((now_ms - (now_ms % (charts_update_every[$chart] * 1000) ) ))
+		charts_next_update[$chart]=$(( charts_last_update[$chart] + (charts_update_every[$chart] * 1000) ))
+		charts_run_counter[$chart]=0
+
+		echo "CHART netdata.plugin_chartsd_$chart '' 'Execution time for $chart plugin' 'milliseconds / run' charts.d netdata.plugin_charts area 145000 ${charts_update_every[$chart]}"
+		echo "DIMENSION run_time 'run time' absolute 1 1"
+	done
+
+	# the main loop
+	while [ 1 ]
+	do
+		c=$((c + 1))
+		now_charts=("${next_charts[@]}")
+		next_charts=()
+
+		# return the current time in ms in $now_ms
+		current_time_ms
+
+		for chart in "${now_charts[@]}"
+		do
+			# echo >&2 "DEBUG: chart: $chart last: ${charts_last_update[$chart]}, next: ${charts_next_update[$chart]}, now: ${now_ms}"
+			if [ ${now_ms} -ge ${charts_next_update[$chart]} ]
+			then
+				last_ms=${charts_last_update[$chart]}
+				dt=$(( (now_ms - last_ms) ))
+				# echo >&2 "DEBUG: chart: $chart last: ${charts_last_update[$chart]}, next: ${charts_next_update[$chart]}, now: ${now_ms}, dt: ${dt}"
+
+				charts_last_update[$chart]=${now_ms}
+
+				while [ ${charts_next_update[$chart]} -lt ${now_ms} ]
+				do
+					charts_next_update[$chart]=$(( charts_next_update[$chart] + (charts_update_every[$chart] * 1000) ))
+				done
+
+				# the first call should not give a duration
+				# so that netdata calibrates to current time
+				dt=$(( dt * 1000 ))
+				charts_run_counter[$chart]=$(( charts_run_counter[$chart] + 1 ))
+				if [ ${charts_run_counter[$chart]} -eq 1 ]
+					then
+					dt=
+				fi
+
+				exec_start_ms=$now_ms
+				$chart$charts_update $dt
+				ret=$?
+				
+				# return the current time in ms in $now_ms
+				current_time_ms; exec_end_ms=$now_ms
+
+				echo "BEGIN netdata.plugin_chartsd_$chart $dt"
+				if [ $ret -eq 0 ]
+				then
+					echo "SET run_time = $(( exec_end_ms - exec_start_ms ))"
+					next_charts+=($chart)
+				else
+					echo "SET run_time = $(( (exec_end_ms - exec_start_ms) * -1 ))"
+					echo >&2 "$PROGRAM_NAME: chart '$chart' update() function reports failure. Disabling it."
+				fi
+				echo "END"
+			else
+				next_charts+=($chart)
+			fi
+		done
+
+		if [ "$pause_method" = "suspend" ]
+		then
+			echo "STOPPING_WAKE_ME_UP_PLEASE"
+			suspend || ( echo >&2 "$PROGRAM_NAME: suspend returned error $?, falling back to sleep."; loopsleepms $debug_time $update_every $time_divisor)
+		else
+			# wait the time you are required to
+			#loopsleepms $debug_time $update_every $time_divisor
+			if [ ${LOOPSLEEPMS_HIGHRES} -eq 1 ]
+				then
+				sleep 0.2
+			else
+				sleep 1
+			fi
+		fi
+
+		test ${now_ms} -ge ${exit_at} && exit 0
+	done
+}
+
+global_update
diff --git a/plugins.d/loopsleepms.sh.inc b/plugins.d/loopsleepms.sh.inc
new file mode 100644
index 00000000..2e22de3d
--- /dev/null
+++ b/plugins.d/loopsleepms.sh.inc
@@ -0,0 +1,90 @@
+#!/bin/bash
+
+# this function is used to sleep a fraction of a second
+# it calculates the difference between every time is called
+# and tries to align the sleep time to give you exactly the
+# loop you need.
+
+LOOPSLEEP_DATE="$(which date)"
+if [ -z "$LOOPSLEEP_DATE" ]
+	then
+	echo >&2 "$0: ERROR: Cannot find the command 'date' in the system path."
+	exit 1
+fi
+
+LOOPSLEEPMS_LASTRUN=0
+LOOPSLEEPMS_LASTSLEEP=0
+LOOPSLEEPMS_LASTWORK=0
+
+LOOPSLEEPMS_HIGHRES=1
+test "$($LOOPSLEEP_DATE +%N)" = "%N" && LOOPSLEEPMS_HIGHRES=0
+
+now_ms=
+current_time_ms() {
+	# if high resolution is not supported
+	# just sleep the time requested, in seconds
+	if [ $LOOPSLEEPMS_HIGHRES -eq 0 ]
+	then
+		now_ms="$($LOOPSLEEP_DATE +'%s')000"
+	else
+		now_ms="$(( $( $LOOPSLEEP_DATE +'%s * 1000 + %-N / 1000000' ) ))"
+	fi
+}
+
+loopsleepms() {
+	local tellwork=0 t="$1" div s m now mstosleep
+
+	if [ "$t" = "tellwork" ]
+	then
+		tellwork=1
+		shift
+		t="$1"
+	fi
+	div="${2-100}"
+
+	# $t = the time in seconds to wait
+
+	# if high resolution is not supported
+	# just sleep the time requested, in seconds
+	if [ $LOOPSLEEPMS_HIGHRES -eq 0 ]
+	then
+		sleep $t
+		return
+	fi
+
+	# get the current time, in ms
+	# milliseconds since epoch (1-1-1970)
+	now="$(( $( $LOOPSLEEP_DATE +'%s * 1000 + %-N / 1000000' ) ))"
+
+	# calculate required sleep in ms
+	t=$((t * 1000 * div / 100))
+
+	# this is our first run
+	# just wait the requested time
+	test $LOOPSLEEPMS_LASTRUN -eq 0 && LOOPSLEEPMS_LASTRUN=$now
+
+	# calculate ms since last run
+	LOOPSLEEPMS_LASTWORK=$((now - LOOPSLEEPMS_LASTRUN - LOOPSLEEPMS_LASTSLEEP))
+	# echo "# last loop's work took $LOOPSLEEPMS_LASTWORK ms"
+
+	# calculate ms to sleep
+	mstosleep=$(( t - LOOPSLEEPMS_LASTWORK ))
+	# echo "# mstosleep is $mstosleep ms"
+
+	# if we are too slow, sleep some time
+	test $mstosleep -lt 200 && mstosleep=200
+
+	s=$((mstosleep / 1000))
+	m=$((mstosleep - (s * 1000)))
+
+	test $tellwork -eq 1 && echo >&2 " >>> PERFORMANCE >>> WORK TOOK $LOOPSLEEPMS_LASTWORK ms ( $((LOOPSLEEPMS_LASTWORK * 100 / 1000)).$((LOOPSLEEPMS_LASTWORK % 10))% cpu ) >>> SLEEPING $mstosleep ms"
+
+	# echo "# sleeping $s.$m"
+	# echo
+	sleep $s.$m
+
+	# keep the values we need
+	# for our next run
+	LOOPSLEEPMS_LASTRUN=$now
+	LOOPSLEEPMS_LASTSLEEP=$mstosleep
+}
diff --git a/plugins.d/node.d.plugin b/plugins.d/node.d.plugin
new file mode 100755
index 00000000..a1fa754f
--- /dev/null
+++ b/plugins.d/node.d.plugin
@@ -0,0 +1,278 @@
+#!/bin/sh
+':' //; exec "$(command -v nodejs || command -v node || command -v js || echo "ERROR node.js IS NOT AVAILABLE IN THIS SYSTEM")" "$0" "$@"
+
+// shebang hack from:
+// http://unix.stackexchange.com/questions/65235/universal-node-js-shebang
+
+// Initially this is run as a shell script (#!/bin/sh).
+// Then, the second line, finds nodejs or node or js in the system path
+// and executes it with the shell parameters.
+
+// --------------------------------------------------------------------------------------------------------------------
+
+'use strict';
+
+// --------------------------------------------------------------------------------------------------------------------
+// get NETDATA environment variables
+
+var NETDATA_PLUGINS_DIR = process.env.NETDATA_PLUGINS_DIR || __dirname;
+var NETDATA_CONFIG_DIR = process.env.NETDATA_CONFIG_DIR || '/etc/netdata';
+var NETDATA_UPDATE_EVERY = process.env.NETDATA_UPDATE_EVERY || 1;
+var NODE_D_DIR = NETDATA_PLUGINS_DIR + '/../node.d';
+
+// make sure the modules are found
+process.mainModule.paths.unshift(NODE_D_DIR + '/node_modules');
+process.mainModule.paths.unshift(NODE_D_DIR);
+
+
+// --------------------------------------------------------------------------------------------------------------------
+// load required modules
+
+var fs = require('fs');
+var url = require('url');
+var http = require('http');
+var path = require('path');
+var extend = require('extend');
+var netdata = require('netdata');
+
+
+// --------------------------------------------------------------------------------------------------------------------
+// configuration
+
+function pluginConfig(filename) {
+	var f = path.basename(filename);
+
+	var m = f.match('.plugin' + '$');
+	if(m === null) m = f.match('.node.js' + '$');
+	if(m !== null)
+		return netdata.options.paths.config + '/' + f.substring(0, m.index) + '.conf';
+
+	return netdata.options.paths.config + '/' + f + '.conf';
+}
+
+// internal defaults
+extend(true, netdata.options, {
+	filename: path.basename(__filename),
+
+	update_every: NETDATA_UPDATE_EVERY,
+
+	exit_after_ms: 3600 * 4 * 1000,
+
+	paths: {
+		plugins: NETDATA_PLUGINS_DIR,
+		config: NETDATA_CONFIG_DIR,
+		modules: [],
+	},
+
+	modules_enable_autodetect: true,
+	modules_enable_all: true,
+	modules: {},
+});
+netdata.options.config_filename = pluginConfig(__filename);
+
+// load configuration file
+try {
+	netdata.options_loaded = JSON.parse(fs.readFileSync(netdata.options.config_filename, 'utf8'));
+	extend(true, netdata.options, netdata.options_loaded);
+	console.error('merged netdata object:');
+	console.error(netdata);
+}
+catch(e) {
+	netdata.error('Cannot read configuration file ' + netdata.options.config_filename + ': ' + e.message + ', using internal defaults.');
+	netdata.options_loaded = undefined;
+	dumpError(e);
+}
+
+
+// apply module paths to node.js process
+function applyModulePaths() {
+	var len = netdata.options.paths.modules.length;
+	while(len--)
+		process.mainModule.paths.unshift(netdata.options.paths.modules[len]);
+}
+applyModulePaths();
+
+
+// --------------------------------------------------------------------------------------------------------------------
+// tracing
+
+function dumpError(err) {
+	if (typeof err === 'object') {
+		if (err.stack) {
+			netdata.debug(err.stack);
+		}
+	}
+}
+
+// --------------------------------------------------------------------------------------------------------------------
+// get command line arguments
+{
+	var found_myself = false;
+	var found_number = false;
+	var found_modules = false;
+	process.argv.forEach(function (val, index, array) {
+		netdata.debug('PARAM: ' + val);
+
+		if(!found_myself) {
+			if(val === __filename)
+				found_myself = true;
+		}
+		else {
+			switch(val) {
+				case 'debug':
+					netdata.options.DEBUG = true;
+					netdata.debug('DEBUG enabled');
+					break;
+
+				default:
+					if(found_number === true) {
+						if(found_modules === false) {
+							for(var i in netdata.options.modules)
+								netdata.options.modules[i].enabled = false;
+						}
+
+						if(typeof netdata.options.modules[val] === 'undefined')
+							netdata.options.modules[val] = {};
+
+						netdata.options.modules[val].enabled = true;
+						netdata.options.modules_enable_all = false;
+						netdata.debug('enabled module ' + val);
+					}
+					else {
+						try {
+							var x = parseInt(val);
+							if(x > 0) {
+								netdata.options.update_every = x;
+								if(netdata.options.update_every < NETDATA_UPDATE_EVERY) {
+									netdata.options.update_every = NETDATA_UPDATE_EVERY;
+									netdata.debug('Update frequency ' + x + 's is too low');
+								}
+
+								found_number = true;
+								netdata.debug('Update frequency set to ' + netdata.options.update_every + ' seconds');
+							}
+							else netdata.error('Ignoring parameter: ' + val);
+						}
+						catch(e) {
+							netdata.error('Cannot get value of parameter: ' + val);
+							dumpError(e);
+						}
+					}
+					break;
+			}
+		}
+	});
+}
+
+if(netdata.options.update_every < 1) {
+	netdata.debug('Adjusting update frequency to 1 second');
+	netdata.options.update_every = 1;
+}
+
+// --------------------------------------------------------------------------------------------------------------------
+// find modules
+
+function findModules() {
+	var found = 0;
+
+	var files = fs.readdirSync(NODE_D_DIR);
+	var len = files.length;
+	while(len--) {
+		var m = files[len].match('.node.js' + '$');
+		if(m !== null) {
+			var n = files[len].substring(0, m.index);
+
+			if(typeof(netdata.options.modules[n]) === 'undefined')
+				netdata.options.modules[n] = { name: n, enabled: netdata.options.modules_enable_all };
+
+			if(netdata.options.modules[n].enabled === true) {
+				netdata.options.modules[n].name = n;
+				netdata.options.modules[n].filename = NODE_D_DIR + '/' + files[len];
+				netdata.options.modules[n].loaded = false;
+
+				if(typeof(netdata.options.modules[n].config_filename) !== 'string')
+					netdata.options.modules[n].config_filename = pluginConfig(files[len]);
+
+				// load the module
+				try {
+					netdata.debug('loading module ' + netdata.options.modules[n].filename);
+					netdata.options.modules[n].module = require(netdata.options.modules[n].filename);
+					netdata.options.modules[n].module.name = n;
+					netdata.debug('loaded module ' + netdata.options.modules[n].name + ' from ' + netdata.options.modules[n].filename);
+				}
+				catch(e) {
+					netdata.options.modules[n].enabled = false;
+					netdata.error('Cannot load module: ' + netdata.options.modules[n].filename + ' exception: ' + e);
+					dumpError(e);
+					continue;
+				}
+
+				// load its configuration
+				var c = {
+					enable_autodetect: netdata.options.modules_enable_autodetect,
+					update_every: netdata.options.update_every
+				};
+				try {
+					netdata.debug('loading module\'s ' + netdata.options.modules[n].name + ' config ' + netdata.options.modules[n].config_filename);
+					var c2 = JSON.parse(fs.readFileSync(netdata.options.modules[n].config_filename, 'utf8'));
+					extend(true, c, c2);
+					netdata.debug('loaded module\'s ' + netdata.options.modules[n].name + ' config ' + netdata.options.modules[n].config_filename);
+				}
+				catch(e) {
+					netdata.error('Cannot load module\'s ' + netdata.options.modules[n].name + ' config from ' + netdata.options.modules[n].config_filename + ' exception: ' + e + ', using internal defaults.');
+					dumpError(e);
+				}
+
+				// call module auto-detection / configuration
+				try {
+					netdata.modules_configuring++;
+					netdata.debug('Configuring module ' + netdata.options.modules[n].name);
+					var serv = netdata.configure(netdata.options.modules[n].module, c, function() {
+						netdata.debug('Configured module ' + netdata.options.modules[n].name);
+						netdata.modules_configuring--;
+					});
+
+					netdata.debug('Configuring module ' + netdata.options.modules[n].name + ' reports ' + serv + ' eligible services.');
+				}
+				catch(e) {
+					netdata.modules_configuring--;
+					netdata.options.modules[n].enabled = false;
+					netdata.error('Failed module auto-detection: ' + netdata.options.modules[n].name + ' exception: ' + e + ', disabling module.');
+					dumpError(e);
+					continue;
+				}
+
+				netdata.options.modules[n].loaded = true;
+				found++;
+			}
+		}
+	}
+
+	// netdata.debug(netdata.options.modules);
+	return found;
+}
+
+if(findModules() === 0) {
+	netdata.error('Cannot load any .node.js module from: ' + NODE_D_DIR);
+	netdata.disableNodePlugin();
+	process.exit(1);
+}
+
+
+// --------------------------------------------------------------------------------------------------------------------
+// start
+
+function start_when_configuring_ends() {
+	if(netdata.modules_configuring > 0) {
+		netdata.debug('Waiting modules configuration, still running ' + netdata.modules_configuring);
+		setTimeout(start_when_configuring_ends, 500);
+		return;
+	}
+
+	netdata.modules_configuring = 0;
+	netdata.start();
+}
+start_when_configuring_ends();
+
+//netdata.debug('netdata object:')
+//netdata.debug(netdata);
diff --git a/plugins.d/tc-qos-helper.sh b/plugins.d/tc-qos-helper.sh
new file mode 100755
index 00000000..86f71712
--- /dev/null
+++ b/plugins.d/tc-qos-helper.sh
@@ -0,0 +1,105 @@
+#!/bin/bash
+
+# default time function
+now_ms=
+current_time_ms() {
+	now_ms="$(date +'%s')000"
+}
+
+# default sleep function
+LOOPSLEEPMS_LASTWORK=0
+loopsleepms() {
+	[ "$1" = "tellwork" ] && shift
+	sleep $1
+}
+
+# if found and included, this file overwrites loopsleepms()
+# with a high resolution timer function for precise looping.
+. "$NETDATA_PLUGINS_DIR/loopsleepms.sh.inc"
+
+# check if we have a valid number for interval
+t=$1
+sleep_time=$((t))
+[ $((sleep_time)) -lt 1 ] && $NETDATA_UPDATE_EVERY
+[ $((sleep_time)) -lt 1 ] && sleep_time=1
+
+tc_cmd="$(which tc)"
+if [ -z "$tc_cmd" ]
+	then
+	echo >&2 "tc: Cannot find a 'tc' command in this system."
+	exit 1
+fi
+
+devices=
+fix_names=
+
+setclassname() {
+	echo "SETCLASSNAME $3 $2"
+}
+
+show_tc() {
+	local x="$1"
+
+	echo "BEGIN $x"
+	$tc_cmd -s class show dev $x
+
+	# check FireQOS names for classes
+	if [ ! -z "$fix_names" -a -f /var/run/fireqos/ifaces/$x ]
+	then
+		name="$(cat /var/run/fireqos/ifaces/$x)"
+		echo "SETDEVICENAME $name"
+
+		interface_classes=
+		interface_classes_monitor=
+		. /var/run/fireqos/$name.conf
+		for n in $interface_classes_monitor
+		do
+			setclassname $(echo $n | tr '|' ' ')
+		done
+		echo "SETDEVICEGROUP $interface_dev"
+	fi
+	echo "END $x"
+}
+
+all_devices() {
+	cat /proc/net/dev | grep ":" | cut -d ':' -f 1 | while read dev
+	do
+		l=$($tc_cmd class show dev $dev | wc -l)
+		[ $l -ne 0 ] && echo $dev
+	done
+}
+
+# update devices and class names
+# once every 2 minutes
+names_every=$((120 / sleep_time))
+
+# exit this script every hour
+# it will be restarted automatically
+exit_after=$((3600 / sleep_time))
+
+c=0
+gc=0
+while [ 1 ]
+do
+	fix_names=
+	c=$((c + 1))
+	gc=$((gc + 1))
+
+	if [ $c -le 1 -o $c -ge $names_every ]
+	then
+		c=1
+		fix_names="YES"
+		devices="$( all_devices )"
+	fi
+
+	for d in $devices
+	do
+		show_tc $d
+	done
+
+	echo "WORKTIME $LOOPSLEEPMS_LASTWORK"
+
+	loopsleepms $sleep_time
+
+	[ $gc -gt $exit_after ] && exit 0
+done
diff --git a/src/.keep b/src/.keep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/.keep
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 00000000..0c51bb54
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,90 @@
+#
+# Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
+#
+MAINTAINERCLEANFILES= $(srcdir)/Makefile.in
+
+AM_CPPFLAGS = \
+	-DCACHE_DIR="\"$(cachedir)\"" \
+	-DCONFIG_DIR="\"$(configdir)\"" \
+	-DLOG_DIR="\"$(logdir)\"" \
+	-DPLUGINS_DIR="\"$(pluginsdir)\"" \
+	-DWEB_DIR="\"$(webdir)\"" \
+	$(NULL)
+AM_CFLAGS = \
+	$(OPTIONAL_MATH_CFLAGS) \
+	$(OPTIONAL_NFACCT_CLFAGS) \
+	$(OPTIONAL_ZLIB_CFLAGS) \
+	$(NULL)
+
+sbin_PROGRAMS = netdata
+dist_cache_DATA = .keep
+dist_log_DATA = .keep
+plugins_PROGRAMS = apps.plugin
+
+netdata_SOURCES = \
+	appconfig.c appconfig.h \
+	avl.c avl.h \
+	common.c common.h \
+	daemon.c daemon.h \
+	dictionary.c dictionary.h \
+	global_statistics.c global_statistics.h \
+	log.c log.h \
+	main.c main.h \
+	plugin_checks.c plugin_checks.h \
+	plugin_idlejitter.c plugin_idlejitter.h \
+	plugin_nfacct.c plugin_nfacct.h \
+	plugin_proc.c plugin_proc.h \
+	plugin_tc.c plugin_tc.h \
+	plugins_d.c plugins_d.h \
+	popen.c popen.h \
+	proc_diskstats.c \
+	proc_interrupts.c \
+	proc_softirqs.c \
+	proc_loadavg.c \
+	proc_meminfo.c \
+	proc_net_dev.c \
+	proc_net_ip_vs_stats.c \
+	proc_net_netstat.c \
+	proc_net_rpc_nfsd.c \
+	proc_net_snmp.c \
+	proc_net_stat_conntrack.c \
+	proc_stat.c \
+	proc_sys_kernel_random_entropy_avail.c \
+	proc_vmstat.c \
+	sys_kernel_mm_ksm.c \
+	procfile.c procfile.h \
+	rrd.c rrd.h \
+	rrd2json.c rrd2json.h \
+	storage_number.c storage_number.h \
+	unit_test.c unit_test.h \
+	url.c url.h \
+	web_buffer.c web_buffer.h \
+	web_client.c web_client.h \
+	web_server.c web_server.h \
+	$(NULL)
+netdata_LDADD = \
+	$(OPTIONAL_MATH_LIBS) \
+	$(OPTIONAL_NFACCT_LIBS) \
+	$(OPTIONAL_ZLIB_LIBS) \
+	$(NULL)
+
+apps_plugin_SOURCES = \
+	apps_plugin.c \
+	avl.c avl.h \
+	common.c common.h \
+	log.c log.h \
+	procfile.c procfile.h \
+	$(NULL)
+
+install-data-hook:
+	if [ `id -u` == 0 ]; then \
+		chown root '$(DESTDIR)$(pluginsdir)/apps.plugin' && \
+			chmod 4755 '$(DESTDIR)$(pluginsdir)/apps.plugin'; \
+	else \
+		echo; \
+		echo "ATTENTION"; \
+		echo; \
+		echo "setuid bit of $(pluginsdir)/apps.plugin must be set, please execute as root:"; \
+		echo "chown root '$(pluginsdir)/apps.plugin' && chmod 4755 '$(pluginsdir)/apps.plugin'"; \
+		echo; \
+	fi
diff --git a/src/appconfig.c b/src/appconfig.c
new file mode 100755
index 00000000..49eca90f
--- /dev/null
+++ b/src/appconfig.c
@@ -0,0 +1,485 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "avl.h"
+#include "common.h"
+#include "appconfig.h"
+#include "log.h"
+
+#define CONFIG_FILE_LINE_MAX ((CONFIG_MAX_NAME + CONFIG_MAX_VALUE + 1024) * 2)
+
+pthread_rwlock_t config_rwlock = PTHREAD_RWLOCK_INITIALIZER;
+
+// ----------------------------------------------------------------------------
+// definitions
+
+#define CONFIG_VALUE_LOADED  0x01 // has been loaded from the config
+#define CONFIG_VALUE_USED    0x02 // has been accessed from the program
+#define CONFIG_VALUE_CHANGED 0x04 // has been changed from the loaded value
+#define CONFIG_VALUE_CHECKED 0x08 // has been checked if the value is different from the default
+
+struct config_value {
+	avl avl;				// the index - this has to be first!
+
+	uint32_t hash;			// a simple hash to speed up searching
+							// we first compare hashes, and only if the hashes are equal we do string comparisons
+
+	char *name;
+	char *value;
+
+	uint8_t	flags;
+
+	struct config_value *next;
+};
+
+struct config {
+	avl avl;
+
+	uint32_t hash;			// a simple hash to speed up searching
+							// we first compare hashes, and only if the hashes are equal we do string comparisons
+
+	char *name;
+
+	struct config_value *values;
+	avl_tree values_index;
+
+	struct config *next;
+
+	pthread_rwlock_t rwlock;
+} *config_root = NULL;
+
+
+// ----------------------------------------------------------------------------
+// config value
+
+static int config_value_iterator(avl *a) { if(a) {}; return 0; }
+
+static int config_value_compare(void* a, void* b) {
+	if(((struct config_value *)a)->hash < ((struct config_value *)b)->hash) return -1;
+	else if(((struct config_value *)a)->hash > ((struct config_value *)b)->hash) return 1;
+	else return strcmp(((struct config_value *)a)->name, ((struct config_value *)b)->name);
+}
+
+#define config_value_index_add(co, cv) avl_insert(&((co)->values_index), (avl *)(cv))
+#define config_value_index_del(co, cv) avl_remove(&((co)->values_index), (avl *)(cv))
+
+static struct config_value *config_value_index_find(struct config *co, const char *name, uint32_t hash) {
+	struct config_value *result = NULL, tmp;
+	tmp.hash = (hash)?hash:simple_hash(name);
+	tmp.name = (char *)name;
+
+	avl_search(&(co->values_index), (avl *)&tmp, config_value_iterator, (avl **)&result);
+	return result;
+}
+
+// ----------------------------------------------------------------------------
+// config
+
+static int config_iterator(avl *a) { if(a) {}; return 0; }
+
+static int config_compare(void* a, void* b) {
+	if(((struct config *)a)->hash < ((struct config *)b)->hash) return -1;
+	else if(((struct config *)a)->hash > ((struct config *)b)->hash) return 1;
+	else return strcmp(((struct config *)a)->name, ((struct config *)b)->name);
+}
+
+avl_tree config_root_index = {
+		NULL,
+		config_compare,
+#ifdef AVL_LOCK_WITH_MUTEX
+		PTHREAD_MUTEX_INITIALIZER
+#else
+		PTHREAD_RWLOCK_INITIALIZER
+#endif
+};
+
+#define config_index_add(cfg) avl_insert(&config_root_index, (avl *)(cfg))
+#define config_index_del(cfg) avl_remove(&config_root_index, (avl *)(cfg))
+
+static struct config *config_index_find(const char *name, uint32_t hash) {
+	struct config *result = NULL, tmp;
+	tmp.hash = (hash)?hash:simple_hash(name);
+	tmp.name = (char *)name;
+
+	avl_search(&config_root_index, (avl *)&tmp, config_iterator, (avl **)&result);
+	return result;
+}
+
+struct config_value *config_value_create(struct config *co, const char *name, const char *value)
+{
+	debug(D_CONFIG, "Creating config entry for name '%s', value '%s', in section '%s'.", name, value, co->name);
+
+	struct config_value *cv = calloc(1, sizeof(struct config_value));
+	if(!cv) fatal("Cannot allocate config_value");
+
+	cv->name = strdup(name);
+	if(!cv->name) fatal("Cannot allocate config.name");
+	cv->hash = simple_hash(cv->name);
+
+	cv->value = strdup(value);
+	if(!cv->value) fatal("Cannot allocate config.value");
+
+	config_value_index_add(co, cv);
+
+	// no need for string termination, due to calloc()
+
+	pthread_rwlock_wrlock(&co->rwlock);
+
+	struct config_value *cv2 = co->values;
+	if(cv2) {
+		while (cv2->next) cv2 = cv2->next;
+		cv2->next = cv;
+	}
+	else co->values = cv;
+
+	pthread_rwlock_unlock(&co->rwlock);
+
+	return cv;
+}
+
+struct config *config_create(const char *section)
+{
+	debug(D_CONFIG, "Creating section '%s'.", section);
+
+	struct config *co = calloc(1, sizeof(struct config));
+	if(!co) fatal("Cannot allocate config");
+
+	co->name = strdup(section);
+	if(!co->name) fatal("Cannot allocate config.name");
+	co->hash = simple_hash(co->name);
+
+	pthread_rwlock_init(&co->rwlock, NULL);
+	avl_init(&co->values_index, config_value_compare);
+
+	config_index_add(co);
+
+	// no need for string termination, due to calloc()
+
+	pthread_rwlock_wrlock(&config_rwlock);
+
+	struct config *co2 = config_root;
+	if(co2) {
+		while (co2->next) co2 = co2->next;
+		co2->next = co;
+	}
+	else config_root = co;
+
+	pthread_rwlock_unlock(&config_rwlock);
+
+	return co;
+}
+
+struct config *config_find_section(const char *section)
+{
+	return config_index_find(section, 0);
+}
+
+int load_config(char *filename, int overwrite_used)
+{
+	int line = 0;
+	struct config *co = NULL;
+
+	char buffer[CONFIG_FILE_LINE_MAX + 1], *s;
+
+	if(!filename) filename = CONFIG_DIR "/" CONFIG_FILENAME;
+	FILE *fp = fopen(filename, "r");
+	if(!fp) {
+		error("Cannot open file '%s'", CONFIG_DIR "/" CONFIG_FILENAME);
+		return 0;
+	}
+
+	while(fgets(buffer, CONFIG_FILE_LINE_MAX, fp) != NULL) {
+		buffer[CONFIG_FILE_LINE_MAX] = '\0';
+		line++;
+
+		s = trim(buffer);
+		if(!s) {
+			debug(D_CONFIG, "Ignoring line %d, it is empty.", line);
+			continue;
+		}
+
+		int len = (int) strlen(s);
+		if(*s == '[' && s[len - 1] == ']') {
+			// new section
+			s[len - 1] = '\0';
+			s++;
+
+			co = config_find_section(s);
+			if(!co) co = config_create(s);
+
+			continue;
+		}
+
+		if(!co) {
+			// line outside a section
+			error("Ignoring line %d ('%s'), it is outsize all sections.", line, s);
+			continue;
+		}
+
+		char *name = s;
+		char *value = strchr(s, '=');
+		if(!value) {
+			error("Ignoring line %d ('%s'), there is no = in it.", line, s);
+			continue;
+		}
+		*value = '\0';
+		value++;
+
+		name = trim(name);
+		value = trim(value);
+
+		if(!name) {
+			error("Ignoring line %d, name is empty.", line);
+			continue;
+		}
+		if(!value) {
+			debug(D_CONFIG, "Ignoring line %d, value is empty.", line);
+			continue;
+		}
+
+		struct config_value *cv = config_value_index_find(co, name, 0);
+
+		if(!cv) cv = config_value_create(co, name, value);
+		else {
+			if(((cv->flags & CONFIG_VALUE_USED) && overwrite_used) || !(cv->flags & CONFIG_VALUE_USED)) {
+				debug(D_CONFIG, "Overwriting '%s/%s'.", line, co->name, cv->name);
+				free(cv->value);
+				cv->value = strdup(value);
+				if(!cv->value) fatal("Cannot allocate config.value");
+			}
+			else
+				debug(D_CONFIG, "Ignoring line %d, '%s/%s' is already present and used.", line, co->name, cv->name);
+		}
+		cv->flags |= CONFIG_VALUE_LOADED;
+	}
+
+	fclose(fp);
+
+	return 1;
+}
+
+char *config_get(const char *section, const char *name, const char *default_value)
+{
+	struct config_value *cv;
+
+	debug(D_CONFIG, "request to get config in section '%s', name '%s', default_value '%s'", section, name, default_value);
+
+	struct config *co = config_find_section(section);
+	if(!co) co = config_create(section);
+
+	cv = config_value_index_find(co, name, 0);
+	if(!cv) {
+		cv = config_value_create(co, name, default_value);
+		if(!cv) return NULL;
+	}
+	cv->flags |= CONFIG_VALUE_USED;
+
+	if((cv->flags & CONFIG_VALUE_LOADED) || (cv->flags & CONFIG_VALUE_CHANGED)) {
+		// this is a loaded value from the config file
+		// if it is different that the default, mark it
+		if(!(cv->flags & CONFIG_VALUE_CHECKED)) {
+			if(strcmp(cv->value, default_value) != 0) cv->flags |= CONFIG_VALUE_CHANGED;
+			cv->flags |= CONFIG_VALUE_CHECKED;
+		}
+	}
+
+	return(cv->value);
+}
+
+long long config_get_number(const char *section, const char *name, long long value)
+{
+	char buffer[100], *s;
+	sprintf(buffer, "%lld", value);
+
+	s = config_get(section, name, buffer);
+	if(!s) return value;
+
+	return strtoll(s, NULL, 0);
+}
+
+int config_get_boolean(const char *section, const char *name, int value)
+{
+	char *s;
+	if(value) s = "yes";
+	else s = "no";
+
+	s = config_get(section, name, s);
+	if(!s) return value;
+
+	if(!strcmp(s, "yes")) return 1;
+	else return 0;
+}
+
+int config_get_boolean_ondemand(const char *section, const char *name, int value)
+{
+	char *s;
+
+	if(value == CONFIG_ONDEMAND_ONDEMAND)
+		s = "on demand";
+
+	else if(value == CONFIG_ONDEMAND_NO)
+		s = "no";
+
+	else
+		s = "yes";
+
+	s = config_get(section, name, s);
+	if(!s) return value;
+
+	if(!strcmp(s, "yes"))
+		return CONFIG_ONDEMAND_YES;
+	else if(!strcmp(s, "no"))
+		return CONFIG_ONDEMAND_NO;
+	else if(!strcmp(s, "on demand"))
+		return CONFIG_ONDEMAND_ONDEMAND;
+
+	return value;
+}
+
+const char *config_set_default(const char *section, const char *name, const char *value)
+{
+	struct config_value *cv;
+
+	debug(D_CONFIG, "request to set config in section '%s', name '%s', value '%s'", section, name, value);
+
+	struct config *co = config_find_section(section);
+	if(!co) return config_set(section, name, value);
+
+	cv = config_value_index_find(co, name, 0);
+	if(!cv) return config_set(section, name, value);
+
+	cv->flags |= CONFIG_VALUE_USED;
+
+	if(cv->flags & CONFIG_VALUE_LOADED)
+		return cv->value;
+
+	if(strcmp(cv->value, value) != 0) {
+		cv->flags |= CONFIG_VALUE_CHANGED;
+
+		free(cv->value);
+		cv->value = strdup(value);
+		if(!cv->value) fatal("Cannot allocate config.value");
+	}
+
+	return cv->value;
+}
+
+const char *config_set(const char *section, const char *name, const char *value)
+{
+	struct config_value *cv;
+
+	debug(D_CONFIG, "request to set config in section '%s', name '%s', value '%s'", section, name, value);
+
+	struct config *co = config_find_section(section);
+	if(!co) co = config_create(section);
+
+	cv = config_value_index_find(co, name, 0);
+	if(!cv) cv = config_value_create(co, name, value);
+	cv->flags |= CONFIG_VALUE_USED;
+
+	if(strcmp(cv->value, value) != 0) {
+		cv->flags |= CONFIG_VALUE_CHANGED;
+
+		free(cv->value);
+		cv->value = strdup(value);
+		if(!cv->value) fatal("Cannot allocate config.value");
+	}
+
+	return value;
+}
+
+long long config_set_number(const char *section, const char *name, long long value)
+{
+	char buffer[100];
+	sprintf(buffer, "%lld", value);
+
+	config_set(section, name, buffer);
+
+	return value;
+}
+
+int config_set_boolean(const char *section, const char *name, int value)
+{
+	char *s;
+	if(value) s = "yes";
+	else s = "no";
+
+	config_set(section, name, s);
+
+	return value;
+}
+
+void generate_config(BUFFER *wb, int only_changed)
+{
+	int i, pri;
+	struct config *co;
+	struct config_value *cv;
+
+	for(i = 0; i < 3 ;i++) {
+		switch(i) {
+			case 0:
+				buffer_strcat(wb,
+					"# NetData Configuration\n"
+					"# You can uncomment and change any of the options below.\n"
+					"# The value shown in the commented settings, is the default value.\n"
+					"\n# global netdata configuration\n");
+				break;
+
+			case 1:
+				buffer_strcat(wb, "\n\n# per plugin configuration\n");
+				break;
+
+			case 2:
+				buffer_strcat(wb, "\n\n# per chart configuration\n");
+				break;
+		}
+
+		pthread_rwlock_wrlock(&config_rwlock);
+		for(co = config_root; co ; co = co->next) {
+			if(strcmp(co->name, "global") == 0 || strcmp(co->name, "plugins") == 0) pri = 0;
+			else if(strncmp(co->name, "plugin:", 7) == 0) pri = 1;
+			else pri = 2;
+
+			if(i == pri) {
+				int used = 0;
+				int changed = 0;
+				int count = 0;
+
+				pthread_rwlock_wrlock(&co->rwlock);
+
+				for(cv = co->values; cv ; cv = cv->next) {
+					used += (cv->flags && CONFIG_VALUE_USED)?1:0;
+					changed += (cv->flags & CONFIG_VALUE_CHANGED)?1:0;
+					count++;
+				}
+
+				pthread_rwlock_unlock(&co->rwlock);
+
+				if(!count) continue;
+				if(only_changed && !changed) continue;
+
+				if(!used) {
+					buffer_sprintf(wb, "\n# node '%s' is not used.", co->name);
+				}
+
+				buffer_sprintf(wb, "\n[%s]\n", co->name);
+
+				pthread_rwlock_wrlock(&co->rwlock);
+				for(cv = co->values; cv ; cv = cv->next) {
+
+					if(used && !(cv->flags & CONFIG_VALUE_USED)) {
+						buffer_sprintf(wb, "\n\t# option '%s' is not used.\n", cv->name);
+					}
+					buffer_sprintf(wb, "\t%s%s = %s\n", ((!(cv->flags & CONFIG_VALUE_CHANGED)) && (cv->flags & CONFIG_VALUE_USED))?"# ":"", cv->name, cv->value);
+				}
+				pthread_rwlock_unlock(&co->rwlock);
+			}
+		}
+		pthread_rwlock_unlock(&config_rwlock);
+	}
+}
+
diff --git a/src/appconfig.h b/src/appconfig.h
new file mode 100755
index 00000000..41d1e19b
--- /dev/null
+++ b/src/appconfig.h
@@ -0,0 +1,31 @@
+#include "web_buffer.h"
+
+#ifndef NETDATA_CONFIG_H
+#define NETDATA_CONFIG_H 1
+
+#define CONFIG_FILENAME "netdata.conf"
+
+// these are used to limit the configuration names and values lengths
+// they are not enforced by config.c functions (they will strdup() all strings, no matter of their length)
+#define CONFIG_MAX_NAME 1024
+#define CONFIG_MAX_VALUE 2048
+
+extern int load_config(char *filename, int overwrite_used);
+
+extern char *config_get(const char *section, const char *name, const char *default_value);
+extern long long config_get_number(const char *section, const char *name, long long value);
+extern int config_get_boolean(const char *section, const char *name, int value);
+
+#define CONFIG_ONDEMAND_NO 0
+#define CONFIG_ONDEMAND_YES 1
+#define CONFIG_ONDEMAND_ONDEMAND 2
+extern int config_get_boolean_ondemand(const char *section, const char *name, int value);
+
+extern const char *config_set(const char *section, const char *name, const char *value);
+extern const char *config_set_default(const char *section, const char *name, const char *value);
+extern long long config_set_number(const char *section, const char *name, long long value);
+extern int config_set_boolean(const char *section, const char *name, int value);
+
+extern void generate_config(BUFFER *wb, int only_changed);
+
+#endif /* NETDATA_CONFIG_H */
diff --git a/src/apps_plugin.c b/src/apps_plugin.c
new file mode 100755
index 00000000..15368719
--- /dev/null
+++ b/src/apps_plugin.c
@@ -0,0 +1,2002 @@
+// TODO
+//
+// 1. disable RESET_OR_OVERFLOW check in charts
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+
+#include <sys/resource.h>
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <stdarg.h>
+#include <locale.h>
+#include <ctype.h>
+#include <fcntl.h>
+
+#include <malloc.h>
+#include <dirent.h>
+#include <arpa/inet.h>
+
+#include "common.h"
+#include "log.h"
+#include "avl.h"
+#include "procfile.h"
+
+#define MAX_COMPARE_NAME 15
+#define MAX_NAME 100
+
+unsigned long long Hertz = 1;
+
+long processors = 1;
+long pid_max = 32768;
+int debug = 0;
+
+int update_every = 1;
+unsigned long long file_counter = 0;
+
+char *host_prefix = "";
+
+// ----------------------------------------------------------------------------
+// memory debugger
+
+struct allocations {
+	size_t allocations;
+	size_t allocated;
+	size_t allocated_max;
+} allocations = { 0, 0, 0 };
+
+#define MALLOC_MARK (uint32_t)(0x0BADCAFE)
+#define MALLOC_PREFIX (sizeof(uint32_t) * 2)
+#define MALLOC_SUFFIX (sizeof(uint32_t))
+#define MALLOC_OVERHEAD (MALLOC_PREFIX + MALLOC_SUFFIX)
+
+void *mark_allocation(void *allocated_ptr, size_t size_without_overheads) {
+	uint32_t *real_ptr = (uint32_t *)allocated_ptr;
+	real_ptr[0] = MALLOC_MARK;
+	real_ptr[1] = (uint32_t) size_without_overheads;
+
+	uint32_t *end_ptr = (uint32_t *)(allocated_ptr + MALLOC_PREFIX + size_without_overheads);
+	end_ptr[0] = MALLOC_MARK;
+
+	// fprintf(stderr, "MEMORY_POINTER: Allocated at %p, returning %p.\n", allocated_ptr, (void *)(allocated_ptr + MALLOC_PREFIX));
+
+	return allocated_ptr + MALLOC_PREFIX;
+}
+
+void *check_allocation(const char *file, int line, const char *function, void *marked_ptr, size_t *size_without_overheads_ptr) {
+	uint32_t *real_ptr = (uint32_t *)(marked_ptr - MALLOC_PREFIX);
+
+	// fprintf(stderr, "MEMORY_POINTER: Checking pointer at %p, real %p for %s/%u@%s.\n", marked_ptr, (void *)(marked_ptr - MALLOC_PREFIX), function, line, file);
+
+	if(real_ptr[0] != MALLOC_MARK) fatal("MEMORY: prefix MARK is not valid for %s/%u@%s.", function, line, file);
+
+	size_t size = real_ptr[1];
+
+	uint32_t *end_ptr = (uint32_t *)(marked_ptr + size);
+	if(end_ptr[0] != MALLOC_MARK) fatal("MEMORY: suffix MARK of allocation with size %zu is not valid for %s/%u@%s.", size, function, line, file);
+
+	if(size_without_overheads_ptr) *size_without_overheads_ptr = size;
+
+	return real_ptr;
+}
+
+void *malloc_debug(const char *file, int line, const char *function, size_t size) {
+	void *ptr = malloc(size + MALLOC_OVERHEAD);
+	if(!ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
+
+	allocations.allocated += size;
+	allocations.allocations++;
+
+	debug(D_MEMORY, "MEMORY: Allocated %zu bytes for %s/%u@%s."
+		" Status: allocated %zu in %zu allocs."
+		, size
+		, function, line, file
+		, allocations.allocated
+		, allocations.allocations
+	);
+
+	if(allocations.allocated > allocations.allocated_max) {
+		debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
+		allocations.allocated_max = allocations.allocated;
+	}
+
+	size_t csize;
+	check_allocation(file, line, function, mark_allocation(ptr, size), &csize);
+	if(size != csize) {
+		fatal("Invalid size.");
+	}
+
+	return mark_allocation(ptr, size);
+}
+
+void *calloc_debug(const char *file, int line, const char *function, size_t nmemb, size_t size) {
+	void *ptr = malloc_debug(file, line, function, (nmemb * size));
+	bzero(ptr, nmemb * size);
+	return ptr;
+}
+
+void free_debug(const char *file, int line, const char *function, void *ptr) {
+	size_t size;
+	void *real_ptr = check_allocation(file, line, function, ptr, &size);
+
+	bzero(real_ptr, size + MALLOC_OVERHEAD);
+
+	free(real_ptr);
+	allocations.allocated -= size;
+	allocations.allocations--;
+
+	debug(D_MEMORY, "MEMORY: freed %zu bytes for %s/%u@%s."
+		" Status: allocated %zu in %zu allocs."
+		, size
+		, function, line, file
+		, allocations.allocated
+		, allocations.allocations
+	);
+}
+
+void *realloc_debug(const char *file, int line, const char *function, void *ptr, size_t size) {
+	if(!ptr) return malloc_debug(file, line, function, size);
+	if(!size) { free_debug(file, line, function, ptr); return NULL; }
+
+	size_t old_size;
+	void *real_ptr = check_allocation(file, line, function, ptr, &old_size);
+
+	void *new_ptr = realloc(real_ptr, size + MALLOC_OVERHEAD);
+	if(!new_ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
+
+	allocations.allocated += size;
+	allocations.allocated -= old_size;
+
+	debug(D_MEMORY, "MEMORY: Re-allocated from %zu to %zu bytes for %s/%u@%s."
+		" Status: allocated %z in %zu allocs."
+		, old_size, size
+		, function, line, file
+		, allocations.allocated
+		, allocations.allocations
+	);
+
+	if(allocations.allocated > allocations.allocated_max) {
+		debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
+		allocations.allocated_max = allocations.allocated;
+	}
+
+	return mark_allocation(new_ptr, size);
+}
+
+char *strdup_debug(const char *file, int line, const char *function, const char *ptr) {
+	size_t size = 0;
+	const char *s = ptr;
+
+	while(*s++) size++;
+	size++;
+
+	char *p = malloc_debug(file, line, function, size);
+	if(!p) fatal("Cannot allocate %zu bytes.", size);
+
+	memcpy(p, ptr, size);
+	return p;
+}
+
+#define malloc(size) malloc_debug(__FILE__, __LINE__, __FUNCTION__, (size))
+#define calloc(nmemb, size) calloc_debug(__FILE__, __LINE__, __FUNCTION__, (nmemb), (size))
+#define realloc(ptr, size) realloc_debug(__FILE__, __LINE__, __FUNCTION__, (ptr), (size))
+#define free(ptr) free_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
+
+#ifdef strdup
+#undef strdup
+#endif
+#define strdup(ptr) strdup_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
+
+// ----------------------------------------------------------------------------
+// helper functions
+
+procfile *ff = NULL;
+
+long get_processors(void) {
+	int processors = 0;
+
+	char filename[FILENAME_MAX + 1];
+	snprintf(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
+
+	ff = procfile_reopen(ff, filename, "", PROCFILE_FLAG_DEFAULT);
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) {
+		// procfile_close(ff);
+		return 1;
+	}
+
+	unsigned int i;
+	for(i = 0; i < procfile_lines(ff); i++) {
+		if(!procfile_linewords(ff, i)) continue;
+
+		if(strncmp(procfile_lineword(ff, i, 0), "cpu", 3) == 0) processors++;
+	}
+	processors--;
+	if(processors < 1) processors = 1;
+
+	// procfile_close(ff);
+	return processors;
+}
+
+long get_pid_max(void) {
+	long mpid = 32768;
+
+	char filename[FILENAME_MAX + 1];
+	snprintf(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix);
+	ff = procfile_reopen(ff, filename, "", PROCFILE_FLAG_DEFAULT);
+	if(!ff) return mpid;
+
+	ff = procfile_readall(ff);
+	if(!ff) {
+		// procfile_close(ff);
+		return mpid;
+	}
+
+	mpid = atol(procfile_lineword(ff, 0, 0));
+	if(!mpid) mpid = 32768;
+
+	// procfile_close(ff);
+	return mpid;
+}
+
+unsigned long long get_hertz(void)
+{
+	unsigned long long myhz = 1;
+
+#ifdef _SC_CLK_TCK
+	if((myhz = (unsigned long long int) sysconf(_SC_CLK_TCK)) > 0) {
+		return myhz;
+	}
+#endif
+
+#ifdef HZ
+	myhz = HZ;    /* <asm/param.h> */
+#else
+	/* If 32-bit or big-endian (not Alpha or ia64), assume HZ is 100. */
+	hz = (sizeof(long)==sizeof(int) || htons(999)==999) ? 100UL : 1024UL;
+#endif
+
+	error("Unknown HZ value. Assuming %llu.", myhz);
+	return myhz;
+}
+
+
+// ----------------------------------------------------------------------------
+// target
+// target is the point to aggregate a process tree values
+
+struct target {
+	char compare[MAX_COMPARE_NAME + 1];
+	char id[MAX_NAME + 1];
+	char name[MAX_NAME + 1];
+
+	unsigned long long minflt;
+	unsigned long long cminflt;
+	unsigned long long majflt;
+	unsigned long long cmajflt;
+	unsigned long long utime;
+	unsigned long long stime;
+	unsigned long long cutime;
+	unsigned long long cstime;
+	unsigned long long num_threads;
+	unsigned long long rss;
+
+	unsigned long long fix_minflt;
+	unsigned long long fix_cminflt;
+	unsigned long long fix_majflt;
+	unsigned long long fix_cmajflt;
+	unsigned long long fix_utime;
+	unsigned long long fix_stime;
+	unsigned long long fix_cutime;
+	unsigned long long fix_cstime;
+
+	unsigned long long statm_size;
+	unsigned long long statm_resident;
+	unsigned long long statm_share;
+	unsigned long long statm_text;
+	unsigned long long statm_lib;
+	unsigned long long statm_data;
+	unsigned long long statm_dirty;
+
+	unsigned long long io_logical_bytes_read;
+	unsigned long long io_logical_bytes_written;
+	unsigned long long io_read_calls;
+	unsigned long long io_write_calls;
+	unsigned long long io_storage_bytes_read;
+	unsigned long long io_storage_bytes_written;
+	unsigned long long io_cancelled_write_bytes;
+
+	unsigned long long fix_io_logical_bytes_read;
+	unsigned long long fix_io_logical_bytes_written;
+	unsigned long long fix_io_read_calls;
+	unsigned long long fix_io_write_calls;
+	unsigned long long fix_io_storage_bytes_read;
+	unsigned long long fix_io_storage_bytes_written;
+	unsigned long long fix_io_cancelled_write_bytes;
+
+	int *fds;
+	unsigned long long openfiles;
+	unsigned long long openpipes;
+	unsigned long long opensockets;
+	unsigned long long openinotifies;
+	unsigned long long openeventfds;
+	unsigned long long opentimerfds;
+	unsigned long long opensignalfds;
+	unsigned long long openeventpolls;
+	unsigned long long openother;
+
+	unsigned long processes;	// how many processes have been merged to this
+	int exposed;				// if set, we have sent this to netdata
+	int hidden;					// if set, we set the hidden flag on the dimension
+	int debug;
+
+	struct target *target;	// the one that will be reported to netdata
+	struct target *next;
+} *target_root = NULL, *default_target = NULL;
+
+long targets = 0;
+
+// find or create a target
+// there are targets that are just agregated to other target (the second argument)
+struct target *get_target(const char *id, struct target *target)
+{
+	const char *nid = id;
+	if(nid[0] == '-') nid++;
+
+	struct target *w;
+	for(w = target_root ; w ; w = w->next)
+		if(strncmp(nid, w->id, MAX_NAME) == 0) return w;
+
+	w = calloc(sizeof(struct target), 1);
+	if(!w) {
+		error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
+		return NULL;
+	}
+
+	strncpy(w->id, nid, MAX_NAME);
+	strncpy(w->name, nid, MAX_NAME);
+	strncpy(w->compare, nid, MAX_COMPARE_NAME);
+	if(id[0] == '-') w->hidden = 1;
+
+	w->target = target;
+
+	w->next = target_root;
+	target_root = w;
+
+	if(debug) fprintf(stderr, "apps.plugin: adding hook for process '%s', compare '%s' on target '%s'\n", w->id, w->compare, w->target?w->target->id:"");
+
+	return w;
+}
+
+// read the process groups file
+int read_process_groups(const char *name)
+{
+	char buffer[4096+1];
+	char filename[FILENAME_MAX + 1];
+
+	snprintf(filename, FILENAME_MAX, "%s/apps_%s.conf", CONFIG_DIR, name);
+
+	if(debug) fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
+	FILE *fp = fopen(filename, "r");
+	if(!fp) {
+		error("Cannot open file '%s'", filename);
+		return 1;
+	}
+
+	long line = 0;
+	while(fgets(buffer, 4096, fp) != NULL) {
+		int whidden = 0, wdebug = 0;
+		line++;
+
+		// if(debug) fprintf(stderr, "apps.plugin: \tread %s\n", buffer);
+
+		char *s = buffer, *t, *p;
+		s = trim(s);
+		if(!s || !*s || *s == '#') continue;
+
+		if(debug) fprintf(stderr, "apps.plugin: \tread %s\n", s);
+
+		// the target name
+		t = strsep(&s, ":");
+		if(t) t = trim(t);
+		if(!t || !*t) continue;
+
+		while(t[0]) {
+			int stop = 1;
+
+			switch(t[0]) {
+				case '-':
+					stop = 0;
+					whidden = 1;
+					t++;
+					break;
+
+				case '+':
+					stop = 0;
+					wdebug = 1;
+					t++;
+					break;
+			}
+
+			if(stop) break;
+		}
+
+		if(debug) fprintf(stderr, "apps.plugin: \t\ttarget %s\n", t);
+
+		struct target *w = NULL;
+		long count = 0;
+		int blen = 0;
+		char buffer[4097] = "";
+		buffer[4096] = '\0';
+
+		// the process names
+		while((p = strsep(&s, " "))) {
+			p = trim(p);
+			if(!p || !*p) continue;
+
+			strncpy(&buffer[blen], p, 4096 - blen);
+			blen = strlen(buffer);
+
+			while(buffer[blen - 1] == '\\') {
+				buffer[blen - 1] = ' ';
+
+				if((p = strsep(&s, " ")))
+					p = trim(p);
+
+				if(!p || !*p) p = " ";
+				strncpy(&buffer[blen], p, 4096 - blen);
+				blen = strlen(buffer);
+			}
+
+			struct target *n = get_target(buffer, w);
+			n->hidden = whidden;
+			n->debug = wdebug;
+			if(!w) w = n;
+
+			buffer[0] = '\0';
+			blen = 0;
+
+			count++;
+		}
+
+		if(w) strncpy(w->name, t, MAX_NAME);
+		if(!count) error("The line %ld on file '%s', for group '%s' does not state any process names.", line, filename, t);
+	}
+	fclose(fp);
+
+	default_target = get_target("+p!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
+	strncpy(default_target->name, "other", MAX_NAME);
+
+	return 0;
+}
+
+
+// ----------------------------------------------------------------------------
+// data to store for each pid
+// see: man proc
+
+struct pid_stat {
+	int32_t pid;
+	char comm[MAX_COMPARE_NAME + 1];
+	// char state;
+	int32_t ppid;
+	// int32_t pgrp;
+	// int32_t session;
+	// int32_t tty_nr;
+	// int32_t tpgid;
+	// uint64_t flags;
+	unsigned long long minflt;
+	unsigned long long cminflt;
+	unsigned long long majflt;
+	unsigned long long cmajflt;
+	unsigned long long utime;
+	unsigned long long stime;
+	unsigned long long cutime;
+	unsigned long long cstime;
+	// int64_t priority;
+	// int64_t nice;
+	int32_t num_threads;
+	// int64_t itrealvalue;
+	// unsigned long long starttime;
+	// unsigned long long vsize;
+	unsigned long long rss;
+	// unsigned long long rsslim;
+	// unsigned long long starcode;
+	// unsigned long long endcode;
+	// unsigned long long startstack;
+	// unsigned long long kstkesp;
+	// unsigned long long kstkeip;
+	// uint64_t signal;
+	// uint64_t blocked;
+	// uint64_t sigignore;
+	// uint64_t sigcatch;
+	// uint64_t wchan;
+	// uint64_t nswap;
+	// uint64_t cnswap;
+	// int32_t exit_signal;
+	// int32_t processor;
+	// uint32_t rt_priority;
+	// uint32_t policy;
+	// unsigned long long delayacct_blkio_ticks;
+	// uint64_t guest_time;
+	// int64_t cguest_time;
+
+	unsigned long long statm_size;
+	unsigned long long statm_resident;
+	unsigned long long statm_share;
+	unsigned long long statm_text;
+	unsigned long long statm_lib;
+	unsigned long long statm_data;
+	unsigned long long statm_dirty;
+
+	unsigned long long io_logical_bytes_read;
+	unsigned long long io_logical_bytes_written;
+	unsigned long long io_read_calls;
+	unsigned long long io_write_calls;
+	unsigned long long io_storage_bytes_read;
+	unsigned long long io_storage_bytes_written;
+	unsigned long long io_cancelled_write_bytes;
+
+#ifdef INCLUDE_CHILDS
+	unsigned long long old_utime;
+	unsigned long long old_stime;
+	unsigned long long old_minflt;
+	unsigned long long old_majflt;
+
+	unsigned long long old_cutime;
+	unsigned long long old_cstime;
+	unsigned long long old_cminflt;
+	unsigned long long old_cmajflt;
+
+	unsigned long long fix_cutime;
+	unsigned long long fix_cstime;
+	unsigned long long fix_cminflt;
+	unsigned long long fix_cmajflt;
+
+	unsigned long long diff_cutime;
+	unsigned long long diff_cstime;
+	unsigned long long diff_cminflt;
+	unsigned long long diff_cmajflt;
+#endif
+
+	int *fds;					// array of fds it uses
+	int fds_size;				// the size of the fds array
+
+	int childs;					// number of processes directly referencing this
+	int updated;				// 1 when update
+	int merged;					// 1 when it has been merged to its parent
+	int new_entry;
+	struct target *target;
+	struct pid_stat *parent;
+	struct pid_stat *prev;
+	struct pid_stat *next;
+} *root_of_pids = NULL, **all_pids;
+
+long all_pids_count = 0;
+
+struct pid_stat *get_pid_entry(pid_t pid)
+{
+	if(all_pids[pid]) {
+		all_pids[pid]->new_entry = 0;
+		return all_pids[pid];
+	}
+
+	all_pids[pid] = calloc(sizeof(struct pid_stat), 1);
+	if(!all_pids[pid]) {
+		error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct pid_stat));
+		return NULL;
+	}
+
+	all_pids[pid]->fds = calloc(sizeof(int), 100);
+	if(!all_pids[pid]->fds)
+		error("Cannot allocate %ld bytes of memory", (unsigned long)(sizeof(int) * 100));
+	else all_pids[pid]->fds_size = 100;
+
+	if(root_of_pids) root_of_pids->prev = all_pids[pid];
+	all_pids[pid]->next = root_of_pids;
+	root_of_pids = all_pids[pid];
+
+	all_pids[pid]->pid = pid;
+	all_pids[pid]->new_entry = 1;
+
+	return all_pids[pid];
+}
+
+void del_pid_entry(pid_t pid)
+{
+	if(!all_pids[pid]) return;
+
+	if(debug) fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
+
+	if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next;
+	if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev;
+	if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next;
+
+	if(all_pids[pid]->fds) free(all_pids[pid]->fds);
+	free(all_pids[pid]);
+	all_pids[pid] = NULL;
+}
+
+
+// ----------------------------------------------------------------------------
+// update pids from proc
+
+int read_proc_pid_stat(struct pid_stat *p) {
+	char filename[FILENAME_MAX + 1];
+
+	snprintf(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid);
+
+	ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) {
+		// procfile_close(ff);
+		return 1;
+	}
+
+	file_counter++;
+
+	p->comm[0] = '\0';
+	p->comm[MAX_COMPARE_NAME] = '\0';
+	size_t blen = 0;
+
+	char *s = procfile_lineword(ff, 0, 1);
+	if(*s == '(') s++;
+	size_t len = strlen(s);
+	unsigned int i = 0;
+	while(len && s[len - 1] != ')') {
+		if(blen < MAX_COMPARE_NAME) {
+			strncpy(&p->comm[blen], s, MAX_COMPARE_NAME - blen);
+			blen = strlen(p->comm);
+		}
+
+		i++;
+		s = procfile_lineword(ff, 0, 1+i);
+		len = strlen(s);
+	}
+	if(len && s[len - 1] == ')') s[len - 1] = '\0';
+	if(blen < MAX_COMPARE_NAME)
+		strncpy(&p->comm[blen], s, MAX_COMPARE_NAME - blen);
+
+	// p->pid			= atol(procfile_lineword(ff, 0, 0+i));
+	// comm is at 1
+	// p->state			= *(procfile_lineword(ff, 0, 2+i));
+	p->ppid				= (int32_t) atol(procfile_lineword(ff, 0, 3 + i));
+	// p->pgrp			= atol(procfile_lineword(ff, 0, 4+i));
+	// p->session		= atol(procfile_lineword(ff, 0, 5+i));
+	// p->tty_nr		= atol(procfile_lineword(ff, 0, 6+i));
+	// p->tpgid			= atol(procfile_lineword(ff, 0, 7+i));
+	// p->flags			= strtoull(procfile_lineword(ff, 0, 8+i), NULL, 10);
+	p->minflt			= strtoull(procfile_lineword(ff, 0, 9+i), NULL, 10);
+	p->cminflt			= strtoull(procfile_lineword(ff, 0, 10+i), NULL, 10);
+	p->majflt			= strtoull(procfile_lineword(ff, 0, 11+i), NULL, 10);
+	p->cmajflt			= strtoull(procfile_lineword(ff, 0, 12+i), NULL, 10);
+	p->utime			= strtoull(procfile_lineword(ff, 0, 13+i), NULL, 10);
+	p->stime			= strtoull(procfile_lineword(ff, 0, 14+i), NULL, 10);
+	p->cutime			= strtoull(procfile_lineword(ff, 0, 15+i), NULL, 10);
+	p->cstime			= strtoull(procfile_lineword(ff, 0, 16+i), NULL, 10);
+	// p->priority		= strtoull(procfile_lineword(ff, 0, 17+i), NULL, 10);
+	// p->nice			= strtoull(procfile_lineword(ff, 0, 18+i), NULL, 10);
+	p->num_threads		= (int32_t) atol(procfile_lineword(ff, 0, 19 + i));
+	// p->itrealvalue	= strtoull(procfile_lineword(ff, 0, 20+i), NULL, 10);
+	// p->starttime		= strtoull(procfile_lineword(ff, 0, 21+i), NULL, 10);
+	// p->vsize			= strtoull(procfile_lineword(ff, 0, 22+i), NULL, 10);
+	p->rss				= strtoull(procfile_lineword(ff, 0, 23+i), NULL, 10);
+	// p->rsslim		= strtoull(procfile_lineword(ff, 0, 24+i), NULL, 10);
+	// p->starcode		= strtoull(procfile_lineword(ff, 0, 25+i), NULL, 10);
+	// p->endcode		= strtoull(procfile_lineword(ff, 0, 26+i), NULL, 10);
+	// p->startstack	= strtoull(procfile_lineword(ff, 0, 27+i), NULL, 10);
+	// p->kstkesp		= strtoull(procfile_lineword(ff, 0, 28+i), NULL, 10);
+	// p->kstkeip		= strtoull(procfile_lineword(ff, 0, 29+i), NULL, 10);
+	// p->signal		= strtoull(procfile_lineword(ff, 0, 30+i), NULL, 10);
+	// p->blocked		= strtoull(procfile_lineword(ff, 0, 31+i), NULL, 10);
+	// p->sigignore		= strtoull(procfile_lineword(ff, 0, 32+i), NULL, 10);
+	// p->sigcatch		= strtoull(procfile_lineword(ff, 0, 33+i), NULL, 10);
+	// p->wchan			= strtoull(procfile_lineword(ff, 0, 34+i), NULL, 10);
+	// p->nswap			= strtoull(procfile_lineword(ff, 0, 35+i), NULL, 10);
+	// p->cnswap		= strtoull(procfile_lineword(ff, 0, 36+i), NULL, 10);
+	// p->exit_signal	= atol(procfile_lineword(ff, 0, 37+i));
+	// p->processor		= atol(procfile_lineword(ff, 0, 38+i));
+	// p->rt_priority	= strtoul(procfile_lineword(ff, 0, 39+i), NULL, 10);
+	// p->policy		= strtoul(procfile_lineword(ff, 0, 40+i), NULL, 10);
+	// p->delayacct_blkio_ticks		= strtoull(procfile_lineword(ff, 0, 41+i), NULL, 10);
+	// p->guest_time	= strtoull(procfile_lineword(ff, 0, 42+i), NULL, 10);
+	// p->cguest_time	= strtoull(procfile_lineword(ff, 0, 43), NULL, 10);
+
+	if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: VALUES: %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n", p->comm, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads);
+
+	// procfile_close(ff);
+	return 0;
+}
+
+int read_proc_pid_statm(struct pid_stat *p) {
+	char filename[FILENAME_MAX + 1];
+
+	snprintf(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid);
+
+	ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) {
+		// procfile_close(ff);
+		return 1;
+	}
+
+	file_counter++;
+
+	p->statm_size			= strtoull(procfile_lineword(ff, 0, 0), NULL, 10);
+	p->statm_resident		= strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
+	p->statm_share			= strtoull(procfile_lineword(ff, 0, 2), NULL, 10);
+	p->statm_text			= strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
+	p->statm_lib			= strtoull(procfile_lineword(ff, 0, 4), NULL, 10);
+	p->statm_data			= strtoull(procfile_lineword(ff, 0, 5), NULL, 10);
+	p->statm_dirty			= strtoull(procfile_lineword(ff, 0, 6), NULL, 10);
+
+	// procfile_close(ff);
+	return 0;
+}
+
+int read_proc_pid_io(struct pid_stat *p) {
+	char filename[FILENAME_MAX + 1];
+
+	snprintf(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid);
+
+	ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) {
+		// procfile_close(ff);
+		return 1;
+	}
+
+	file_counter++;
+
+	p->io_logical_bytes_read 		= strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
+	p->io_logical_bytes_written 	= strtoull(procfile_lineword(ff, 1, 1), NULL, 10);
+	p->io_read_calls 				= strtoull(procfile_lineword(ff, 2, 1), NULL, 10);
+	p->io_write_calls 				= strtoull(procfile_lineword(ff, 3, 1), NULL, 10);
+	p->io_storage_bytes_read 		= strtoull(procfile_lineword(ff, 4, 1), NULL, 10);
+	p->io_storage_bytes_written 	= strtoull(procfile_lineword(ff, 5, 1), NULL, 10);
+	p->io_cancelled_write_bytes		= strtoull(procfile_lineword(ff, 6, 1), NULL, 10);
+
+	// procfile_close(ff);
+	return 0;
+}
+
+
+// ----------------------------------------------------------------------------
+
+#ifdef INCLUDE_CHILDS
+// print a tree view of all processes
+int walk_down(pid_t pid, int level) {
+	struct pid_stat *p = NULL;
+	char b[level+3];
+	int i, ret = 0;
+
+	for(i = 0; i < level; i++) b[i] = '\t';
+	b[level] = '|';
+	b[level+1] = '-';
+	b[level+2] = '\0';
+
+	for(p = root_of_pids; p ; p = p->next) {
+		if(p->ppid == pid) {
+			ret += walk_down(p->pid, level+1);
+		}
+	}
+
+	p = all_pids[pid];
+	if(p) {
+		if(!p->updated) ret += 1;
+		if(ret) fprintf(stderr, "%s %s %d [%s, %s] c=%d u=%llu+%llu, s=%llu+%llu, cu=%llu+%llu, cs=%llu+%llu, n=%llu+%llu, j=%llu+%llu, cn=%llu+%llu, cj=%llu+%llu\n"
+			, b, p->comm, p->pid, p->updated?"OK":"KILLED", p->target->name, p->childs
+			, p->utime, p->utime - p->old_utime
+			, p->stime, p->stime - p->old_stime
+			, p->cutime, p->cutime - p->old_cutime
+			, p->cstime, p->cstime - p->old_cstime
+			, p->minflt, p->minflt - p->old_minflt
+			, p->majflt, p->majflt - p->old_majflt
+			, p->cminflt, p->cminflt - p->old_cminflt
+			, p->cmajflt, p->cmajflt - p->old_cmajflt
+			);
+	}
+
+	return ret;
+}
+#endif
+
+
+// ----------------------------------------------------------------------------
+// file descriptor
+// this is used to keep a global list of all open files of the system
+// it is needed in order to figure out the unique files a process tree has open
+
+#define FILE_DESCRIPTORS_INCREASE_STEP 100
+
+struct file_descriptor {
+	avl avl;
+	uint32_t magic;
+	uint32_t hash;
+	const char *name;
+	int type;
+	int count;
+	int pos;
+} *all_files = NULL;
+
+int all_files_len = 0;
+int all_files_size = 0;
+
+int file_descriptor_compare(void* a, void* b) {
+	if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
+		error("Corrupted index data detected. Please report this.");
+
+	if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
+		return -1;
+	else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
+		return 1;
+	else return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
+}
+int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
+
+avl_tree all_files_index = {
+		NULL,
+		file_descriptor_compare,
+#ifdef AVL_LOCK_WITH_MUTEX
+		PTHREAD_MUTEX_INITIALIZER
+#else
+		PTHREAD_RWLOCK_INITIALIZER
+#endif
+};
+
+static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
+	struct file_descriptor *result = NULL, tmp;
+	tmp.hash = (hash)?hash:simple_hash(name);
+	tmp.name = name;
+	tmp.count = 0;
+	tmp.pos = 0;
+	tmp.magic = 0x0BADCAFE;
+
+	avl_search(&all_files_index, (avl *)&tmp, file_descriptor_iterator, (avl **)&result);
+	return result;
+}
+
+#define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
+#define file_descriptor_remove(fd) avl_remove(&all_files_index, (avl *)(fd))
+
+#define FILETYPE_OTHER 0
+#define FILETYPE_FILE 1
+#define FILETYPE_PIPE 2
+#define FILETYPE_SOCKET 3
+#define FILETYPE_INOTIFY 4
+#define FILETYPE_EVENTFD 5
+#define FILETYPE_EVENTPOLL 6
+#define FILETYPE_TIMERFD 7
+#define FILETYPE_SIGNALFD 8
+
+void file_descriptor_not_used(int id)
+{
+	if(id > 0 && id < all_files_size) {
+		if(all_files[id].magic != 0x0BADCAFE) {
+			error("Ignoring request to remove empty file id %d.", id);
+			return;
+		}
+
+		if(debug) fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
+
+		if(all_files[id].count > 0) {
+			all_files[id].count--;
+
+			if(!all_files[id].count) {
+				if(debug) fprintf(stderr, "apps.plugin:   >> slot %d is empty.\n", id);
+				file_descriptor_remove(&all_files[id]);
+				all_files[id].magic = 0x00000000;
+				all_files_len--;
+			}
+		}
+		else
+			error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name);
+	}
+	else	error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size);
+}
+
+int file_descriptor_find_or_add(const char *name)
+{
+	static int last_pos = 0;
+	uint32_t hash = simple_hash(name);
+
+	if(debug) fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
+
+	struct file_descriptor *fd = file_descriptor_find(name, hash);
+	if(fd) {
+		// found
+		if(debug) fprintf(stderr, "apps.plugin:   >> found on slot %d\n", fd->pos);
+		fd->count++;
+		return fd->pos;
+	}
+	// not found
+
+	// check we have enough memory to add it
+	if(!all_files || all_files_len == all_files_size) {
+		void *old = all_files;
+		int i;
+
+		// there is no empty slot
+		if(debug) fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
+		all_files = realloc(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
+
+		// if the address changed, we have to rebuild the index
+		// since all pointers are now invalid
+		if(old && old != (void *)all_files) {
+			if(debug) fprintf(stderr, "apps.plugin:   >> re-indexing.\n");
+			all_files_index.root = NULL;
+			for(i = 0; i < all_files_size; i++) {
+				if(!all_files[i].count) continue;
+				file_descriptor_add(&all_files[i]);
+			}
+			if(debug) fprintf(stderr, "apps.plugin:   >> re-indexing done.\n");
+		}
+
+		for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
+			all_files[i].count = 0;
+			all_files[i].name = NULL;
+			all_files[i].magic = 0x00000000;
+			all_files[i].pos = i;
+		}
+
+		if(!all_files_size) all_files_len = 1;
+		all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
+	}
+
+	if(debug) fprintf(stderr, "apps.plugin:   >> searching for empty slot.\n");
+
+	// search for an empty slot
+	int i, c;
+	for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) {
+		if(c >= all_files_size) c = 0;
+		if(c == 0) continue;
+
+		if(!all_files[c].count) {
+			if(debug) fprintf(stderr, "apps.plugin:   >> Examining slot %d.\n", c);
+
+			if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
+				error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
+
+			if(debug) fprintf(stderr, "apps.plugin:   >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name);
+			if(all_files[c].name) free((void *)all_files[c].name);
+			all_files[c].name = NULL;
+			last_pos = c;
+			break;
+		}
+	}
+	if(i == all_files_size) {
+		fatal("We should find an empty slot, but there isn't any");
+		exit(1);
+	}
+	if(debug) fprintf(stderr, "apps.plugin:   >> updating slot %d.\n", c);
+
+	all_files_len++;
+
+	// else we have an empty slot in 'c'
+
+	int type;
+	if(name[0] == '/') type = FILETYPE_FILE;
+	else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE;
+	else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET;
+	else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY;
+	else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD;
+	else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
+	else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD;
+	else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD;
+	else if(strncmp(name, "anon_inode:", 11) == 0) {
+		if(debug) fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
+		type = FILETYPE_OTHER;
+	}
+	else {
+		if(debug) fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
+		type = FILETYPE_OTHER;
+	}
+
+	all_files[c].name = strdup(name);
+	all_files[c].hash = hash;
+	all_files[c].type = type;
+	all_files[c].pos  = c;
+	all_files[c].count = 1;
+	all_files[c].magic = 0x0BADCAFE;
+
+	file_descriptor_add(&all_files[c]);
+
+	if(debug) fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
+
+	return c;
+}
+
+
+// 1. read all files in /proc
+// 2. for each numeric directory:
+//    i.   read /proc/pid/stat
+//    ii.  read /proc/pid/statm
+//    iii. read /proc/pid/io (requires root access)
+//    iii. read the entries in directory /proc/pid/fd (requires root access)
+//         for each entry:
+//         a. find or create a struct file_descriptor
+//         b. cleanup any old/unused file_descriptors
+
+// after all these, some pids may be linked to targets, while others may not
+
+// in case of errors, only 1 every 1000 errors is printed
+// to avoid filling up all disk space
+// if debug is enabled, all errors are printed
+
+int update_from_proc(void)
+{
+	static long count_errors = 0;
+
+	char filename[FILENAME_MAX+1];
+	char dirname[FILENAME_MAX + 1];
+
+	snprintf(dirname, FILENAME_MAX, "%s/proc", host_prefix);
+	DIR *dir = opendir(dirname);
+	if(!dir) return 0;
+
+	struct dirent *file = NULL;
+	struct pid_stat *p = NULL;
+
+	// mark them all as un-updated
+	all_pids_count = 0;
+	for(p = root_of_pids; p ; p = p->next) {
+		all_pids_count++;
+		p->parent = NULL;
+		p->updated = 0;
+		p->childs = 0;
+		p->merged = 0;
+		p->new_entry = 0;
+	}
+
+	while((file = readdir(dir))) {
+		char *endptr = file->d_name;
+		pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10);
+		if(pid <= 0 || pid > pid_max || endptr == file->d_name || *endptr != '\0') continue;
+
+		p = get_pid_entry(pid);
+		if(!p) continue;
+
+		// --------------------------------------------------------------------
+		// /proc/<pid>/stat
+
+		if(read_proc_pid_stat(p)) {
+			if(!count_errors++ || debug || (p->target && p->target->debug))
+				error("Cannot process %s/proc/%d/stat", host_prefix, pid);
+
+			continue;
+		}
+		if(p->ppid < 0 || p->ppid > pid_max) p->ppid = 0;
+
+
+		// --------------------------------------------------------------------
+		// /proc/<pid>/statm
+
+		if(read_proc_pid_statm(p)) {
+			if(!count_errors++ || debug || (p->target && p->target->debug))
+				error("Cannot process %s/proc/%d/statm", host_prefix, pid);
+
+			continue;
+		}
+
+
+		// --------------------------------------------------------------------
+		// /proc/<pid>/io
+
+		if(read_proc_pid_io(p)) {
+			if(!count_errors++ || debug || (p->target && p->target->debug))
+				error("Cannot process %s/proc/%d/io", host_prefix, pid);
+
+			continue;
+		}
+
+		// --------------------------------------------------------------------
+		// link it
+
+		// check if it is target
+		// we do this only once, the first time this pid is loaded
+		if(p->new_entry) {
+			if(debug) fprintf(stderr, "apps.plugin: \tJust added %s\n", p->comm);
+
+			struct target *w;
+			for(w = target_root; w ; w = w->next) {
+				// if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm);
+
+				if(strcmp(w->compare, p->comm) == 0) {
+					if(w->target) p->target = w->target;
+					else p->target = w;
+
+					if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
+				}
+			}
+		}
+
+		// --------------------------------------------------------------------
+		// /proc/<pid>/fd
+
+		snprintf(filename, FILENAME_MAX, "%s/proc/%s/fd", host_prefix, file->d_name);
+		DIR *fds = opendir(filename);
+		if(fds) {
+			int c;
+			struct dirent *de;
+			char fdname[FILENAME_MAX + 1];
+			char linkname[FILENAME_MAX + 1];
+
+			// make the array negative
+			for(c = 0 ; c < p->fds_size ; c++) p->fds[c] = -p->fds[c];
+
+			while((de = readdir(fds))) {
+				if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
+
+				// check if the fds array is small
+				int fdid = atoi(de->d_name);
+				if(fdid < 0) continue;
+				if(fdid >= p->fds_size) {
+					// it is small, extend it
+					if(debug) fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100);
+					p->fds = realloc(p->fds, (fdid + 100) * sizeof(int));
+					if(!p->fds) {
+						error("Cannot re-allocate fds for %s", p->comm);
+						break;
+					}
+
+					// and initialize it
+					for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
+					p->fds_size = fdid + 100;
+				}
+
+				if(p->fds[fdid] == 0) {
+					// we don't know this fd, get it
+
+					sprintf(fdname, "%s/proc/%s/fd/%s", host_prefix, file->d_name, de->d_name);
+					ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
+					if(l == -1) {
+						if(debug || (p->target && p->target->debug)) {
+							if(!count_errors++ || debug || (p->target && p->target->debug))
+								error("Cannot read link %s", fdname);
+						}
+						continue;
+					}
+					linkname[l] = '\0';
+					file_counter++;
+
+					// if another process already has this, we will get
+					// the same id
+					p->fds[fdid] = file_descriptor_find_or_add(linkname);
+				}
+
+				// else make it positive again, we need it
+				// of course, the actual file may have changed, but we don't care so much
+				// FIXME: we could compare the inode as returned by readdir direct structure
+				else p->fds[fdid] = -p->fds[fdid];
+			}
+			closedir(fds);
+
+			// remove all the negative file descriptors
+			for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) {
+				file_descriptor_not_used(-p->fds[c]);
+				p->fds[c] = 0;
+			}
+		}
+
+		// --------------------------------------------------------------------
+		// done!
+
+		// mark it as updated
+		p->updated = 1;
+	}
+	if(count_errors > 1000) {
+		error("%ld more errors encountered\n", count_errors - 1);
+		count_errors = 0;
+	}
+
+	closedir(dir);
+
+	return 1;
+}
+
+
+// ----------------------------------------------------------------------------
+// update statistics on the targets
+
+// 1. link all childs to their parents
+// 2. go from bottom to top, marking as merged all childs to their parents
+//    this step links all parents without a target to the child target, if any
+// 3. link all top level processes (the ones not merged) to the default target
+// 4. go from top to bottom, linking all childs without a target, to their parent target
+//    after this step, all processes have a target
+// [5. for each killed pid (updated = 0), remove its usage from its target]
+// 6. zero all targets
+// 7. concentrate all values on the targets
+// 8. remove all killed processes
+// 9. find the unique file count for each target
+
+void update_statistics(void)
+{
+	int c;
+	struct pid_stat *p = NULL;
+
+	// link all parents and update childs count
+	for(p = root_of_pids; p ; p = p->next) {
+		if(p->ppid > 0 && p->ppid <= pid_max && all_pids[p->ppid]) {
+			if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \tparent of %d %s is %d %s\n", p->pid, p->comm, p->ppid, all_pids[p->ppid]->comm);
+
+			p->parent = all_pids[p->ppid];
+			p->parent->childs++;
+		}
+		else if(p->ppid != 0) error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
+	}
+
+	// find all the procs with 0 childs and merge them to their parents
+	// repeat, until nothing more can be done.
+	int found = 1;
+	while(found) {
+		found = 0;
+		for(p = root_of_pids; p ; p = p->next) {
+			// if this process does not have any childs, and
+			// is not already merged, and
+			// its parent has childs waiting to be merged, and
+			// the target of this process and its parent is the same, or the parent does not have a target, or this process does not have a parent
+			// and its parent is not init
+			// then... merge them!
+			if(!p->childs && !p->merged && p->parent && p->parent->childs && (p->target == p->parent->target || !p->parent->target || !p->target) && p->ppid != 1) {
+				p->parent->childs--;
+				p->merged = 1;
+
+				// the parent inherits the child's target, if it does not have a target itself
+				if(p->target && !p->parent->target) {
+					p->parent->target = p->target;
+					if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\ttarget %s is inherited by %d %s from its child %d %s.\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
+				}
+
+				found++;
+			}
+		}
+		if(debug) fprintf(stderr, "apps.plugin: merged %d processes\n", found);
+	}
+
+	// give a default target on all top level processes
+	// init goes always to default target
+	if(all_pids[1]) all_pids[1]->target = default_target;
+
+	for(p = root_of_pids; p ; p = p->next) {
+		// if the process is not merged itself
+		// then is is a top level process
+		if(!p->merged && !p->target) p->target = default_target;
+
+#ifdef INCLUDE_CHILDS
+		// by the way, update the diffs
+		// will be used later for substracting killed process times
+		p->diff_cutime = p->utime - p->cutime;
+		p->diff_cstime = p->stime - p->cstime;
+		p->diff_cminflt = p->minflt - p->cminflt;
+		p->diff_cmajflt = p->majflt - p->cmajflt;
+#endif
+	}
+
+	// give a target to all merged child processes
+	found = 1;
+	while(found) {
+		found = 0;
+		for(p = root_of_pids; p ; p = p->next) {
+			if(!p->target && p->merged && p->parent && p->parent->target) {
+				p->target = p->parent->target;
+				found++;
+			}
+		}
+	}
+
+#ifdef INCLUDE_CHILDS
+	// for each killed process, remove its values from the parents
+	// sums (we had already added them in a previous loop)
+	for(p = root_of_pids; p ; p = p->next) {
+		if(p->updated) continue;
+
+		if(debug) fprintf(stderr, "apps.plugin: UNMERGING %d %s\n", p->pid, p->comm);
+
+		unsigned long long diff_utime = p->utime + p->cutime + p->fix_cutime;
+		unsigned long long diff_stime = p->stime + p->cstime + p->fix_cstime;
+		unsigned long long diff_minflt = p->minflt + p->cminflt + p->fix_cminflt;
+		unsigned long long diff_majflt = p->majflt + p->cmajflt + p->fix_cmajflt;
+
+		struct pid_stat *t = p;
+		while((t = t->parent)) {
+			if(!t->updated) continue;
+
+			unsigned long long x;
+			if(diff_utime && t->diff_cutime) {
+				x = (t->diff_cutime < diff_utime)?t->diff_cutime:diff_utime;
+				diff_utime -= x;
+				t->diff_cutime -= x;
+				t->fix_cutime += x;
+				if(debug) fprintf(stderr, "apps.plugin: \t cutime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
+			}
+			if(diff_stime && t->diff_cstime) {
+				x = (t->diff_cstime < diff_stime)?t->diff_cstime:diff_stime;
+				diff_stime -= x;
+				t->diff_cstime -= x;
+				t->fix_cstime += x;
+				if(debug) fprintf(stderr, "apps.plugin: \t cstime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
+			}
+			if(diff_minflt && t->diff_cminflt) {
+				x = (t->diff_cminflt < diff_minflt)?t->diff_cminflt:diff_minflt;
+				diff_minflt -= x;
+				t->diff_cminflt -= x;
+				t->fix_cminflt += x;
+				if(debug) fprintf(stderr, "apps.plugin: \t cminflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
+			}
+			if(diff_majflt && t->diff_cmajflt) {
+				x = (t->diff_cmajflt < diff_majflt)?t->diff_cmajflt:diff_majflt;
+				diff_majflt -= x;
+				t->diff_cmajflt -= x;
+				t->fix_cmajflt += x;
+				if(debug) fprintf(stderr, "apps.plugin: \t cmajflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
+			}
+		}
+
+		if(diff_utime) error("Cannot fix up utime %llu", diff_utime);
+		if(diff_stime) error("Cannot fix up stime %llu", diff_stime);
+		if(diff_minflt) error("Cannot fix up minflt %llu", diff_minflt);
+		if(diff_majflt) error("Cannot fix up majflt %llu", diff_majflt);
+	}
+#endif
+
+	// zero all the targets
+	targets = 0;
+	struct target *w;
+	for (w = target_root; w ; w = w->next) {
+		targets++;
+
+		w->fds = calloc(sizeof(int), (size_t) all_files_size);
+		if(!w->fds)
+			error("Cannot allocate memory for fds in %s", w->name);
+
+		w->minflt = 0;
+		w->majflt = 0;
+		w->utime = 0;
+		w->stime = 0;
+		w->cminflt = 0;
+		w->cmajflt = 0;
+		w->cutime = 0;
+		w->cstime = 0;
+		w->num_threads = 0;
+		w->rss = 0;
+		w->processes = 0;
+
+		w->statm_size = 0;
+		w->statm_resident = 0;
+		w->statm_share = 0;
+		w->statm_text = 0;
+		w->statm_lib = 0;
+		w->statm_data = 0;
+		w->statm_dirty = 0;
+
+		w->io_logical_bytes_read = 0;
+		w->io_logical_bytes_written = 0;
+		w->io_read_calls = 0;
+		w->io_write_calls = 0;
+		w->io_storage_bytes_read = 0;
+		w->io_storage_bytes_written = 0;
+		w->io_cancelled_write_bytes = 0;
+	}
+
+#ifdef INCLUDE_CHILDS
+	if(debug) walk_down(0, 1);
+#endif
+
+	// concentrate everything on the targets
+	for(p = root_of_pids; p ; p = p->next) {
+		if(!p->target) {
+			error("pid %d %s was left without a target!", p->pid, p->comm);
+			continue;
+		}
+
+		if(p->updated) {
+			p->target->cutime += p->cutime; // - p->fix_cutime;
+			p->target->cstime += p->cstime; // - p->fix_cstime;
+			p->target->cminflt += p->cminflt; // - p->fix_cminflt;
+			p->target->cmajflt += p->cmajflt; // - p->fix_cmajflt;
+
+			p->target->utime += p->utime; //+ (p->pid != 1)?(p->cutime - p->fix_cutime):0;
+			p->target->stime += p->stime; //+ (p->pid != 1)?(p->cstime - p->fix_cstime):0;
+			p->target->minflt += p->minflt; //+ (p->pid != 1)?(p->cminflt - p->fix_cminflt):0;
+			p->target->majflt += p->majflt; //+ (p->pid != 1)?(p->cmajflt - p->fix_cmajflt):0;
+
+			//if(p->num_threads < 0)
+			//	error("Negative threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
+
+			//if(p->num_threads > 10000)
+			//	error("Excessive threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
+
+			p->target->num_threads += p->num_threads;
+			p->target->rss += p->rss;
+
+			p->target->statm_size += p->statm_size;
+			p->target->statm_resident += p->statm_resident;
+			p->target->statm_share += p->statm_share;
+			p->target->statm_text += p->statm_text;
+			p->target->statm_lib += p->statm_lib;
+			p->target->statm_data += p->statm_data;
+			p->target->statm_dirty += p->statm_dirty;
+
+			p->target->io_logical_bytes_read += p->io_logical_bytes_read;
+			p->target->io_logical_bytes_written += p->io_logical_bytes_written;
+			p->target->io_read_calls += p->io_read_calls;
+			p->target->io_write_calls += p->io_write_calls;
+			p->target->io_storage_bytes_read += p->io_storage_bytes_read;
+			p->target->io_storage_bytes_written += p->io_storage_bytes_written;
+			p->target->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
+
+			p->target->processes++;
+
+			for(c = 0; c < p->fds_size ;c++) {
+				if(p->fds[c] == 0) continue;
+				if(p->fds[c] < all_files_size) {
+					if(p->target->fds) p->target->fds[p->fds[c]]++;
+				}
+				else
+					error("Invalid fd number %d", p->fds[c]);
+			}
+
+			if(debug || p->target->debug) fprintf(stderr, "apps.plugin: \tAgregating %s pid %d on %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->comm, p->pid, p->target->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
+
+/*			if(p->utime - p->old_utime > 100) fprintf(stderr, "BIG CHANGE: %d %s utime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->utime - p->old_utime, p->old_utime, p->utime);
+			if(p->cutime - p->old_cutime > 100) fprintf(stderr, "BIG CHANGE: %d %s cutime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cutime - p->old_cutime, p->old_cutime, p->cutime);
+			if(p->stime - p->old_stime > 100) fprintf(stderr, "BIG CHANGE: %d %s stime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->stime - p->old_stime, p->old_stime, p->stime);
+			if(p->cstime - p->old_cstime > 100) fprintf(stderr, "BIG CHANGE: %d %s cstime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cstime - p->old_cstime, p->old_cstime, p->cstime);
+			if(p->minflt - p->old_minflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s minflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->minflt - p->old_minflt, p->old_minflt, p->minflt);
+			if(p->majflt - p->old_majflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s majflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->majflt - p->old_majflt, p->old_majflt, p->majflt);
+			if(p->cminflt - p->old_cminflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cminflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cminflt - p->old_cminflt, p->old_cminflt, p->cminflt);
+			if(p->cmajflt - p->old_cmajflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cmajflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cmajflt - p->old_cmajflt, p->old_cmajflt, p->cmajflt);
+*/
+#ifdef INCLUDE_CHILDS
+			p->old_utime = p->utime;
+			p->old_cutime = p->cutime;
+			p->old_stime = p->stime;
+			p->old_cstime = p->cstime;
+			p->old_minflt = p->minflt;
+			p->old_majflt = p->majflt;
+			p->old_cminflt = p->cminflt;
+			p->old_cmajflt = p->cmajflt;
+#endif
+		}
+		else {
+			// since the process has exited, the user
+			// will see a drop in our charts, because the incremental
+			// values of this process will not be there
+
+			// add them to the fix_* values and they will be added to
+			// the reported values, so that the report goes steady
+			p->target->fix_minflt += p->minflt;
+			p->target->fix_majflt += p->majflt;
+			p->target->fix_utime += p->utime;
+			p->target->fix_stime += p->stime;
+			p->target->fix_cminflt += p->cminflt;
+			p->target->fix_cmajflt += p->cmajflt;
+			p->target->fix_cutime += p->cutime;
+			p->target->fix_cstime += p->cstime;
+
+			p->target->fix_io_logical_bytes_read += p->io_logical_bytes_read;
+			p->target->fix_io_logical_bytes_written += p->io_logical_bytes_written;
+			p->target->fix_io_read_calls += p->io_read_calls;
+			p->target->fix_io_write_calls += p->io_write_calls;
+			p->target->fix_io_storage_bytes_read += p->io_storage_bytes_read;
+			p->target->fix_io_storage_bytes_written += p->io_storage_bytes_written;
+			p->target->fix_io_cancelled_write_bytes += p->io_cancelled_write_bytes;
+		}
+	}
+
+//	fprintf(stderr, "\n");
+	// cleanup all un-updated processed (exited, killed, etc)
+	for(p = root_of_pids; p ;) {
+		if(!p->updated) {
+//			fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->parent->pid, p->parent->comm, p->target->name,  p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
+
+			for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
+				file_descriptor_not_used(p->fds[c]);
+				p->fds[c] = 0;
+			}
+
+			pid_t r = p->pid;
+			p = p->next;
+			del_pid_entry(r);
+		}
+		else p = p->next;
+	}
+
+	for (w = target_root; w ; w = w->next) {
+		w->openfiles = 0;
+		w->openpipes = 0;
+		w->opensockets = 0;
+		w->openinotifies = 0;
+		w->openeventfds = 0;
+		w->opentimerfds = 0;
+		w->opensignalfds = 0;
+		w->openeventpolls = 0;
+		w->openother = 0;
+
+		for(c = 1; c < all_files_size ;c++) {
+			if(w->fds && w->fds[c] > 0) switch(all_files[c].type) {
+				case FILETYPE_FILE:
+					w->openfiles++;
+					break;
+
+				case FILETYPE_PIPE:
+					w->openpipes++;
+					break;
+
+				case FILETYPE_SOCKET:
+					w->opensockets++;
+					break;
+
+				case FILETYPE_INOTIFY:
+					w->openinotifies++;
+					break;
+
+				case FILETYPE_EVENTFD:
+					w->openeventfds++;
+					break;
+
+				case FILETYPE_TIMERFD:
+					w->opentimerfds++;
+					break;
+
+				case FILETYPE_SIGNALFD:
+					w->opensignalfds++;
+					break;
+
+				case FILETYPE_EVENTPOLL:
+					w->openeventpolls++;
+					break;
+
+				default:
+					w->openother++;
+			}
+		}
+
+		free(w->fds);
+		w->fds = NULL;
+	}
+}
+
+// ----------------------------------------------------------------------------
+// update chart dimensions
+
+void show_dimensions(void)
+{
+	static struct timeval last = { 0, 0 };
+	static struct rusage me_last;
+
+	struct target *w;
+	struct timeval now;
+	struct rusage me;
+
+	unsigned long long usec;
+	unsigned long long cpuuser;
+	unsigned long long cpusyst;
+
+	if(!last.tv_sec) {
+		gettimeofday(&last, NULL);
+		getrusage(RUSAGE_SELF, &me_last);
+
+		// the first time, give a zero to allow
+		// netdata calibrate to the current time
+		// usec = update_every * 1000000ULL;
+		usec = 0ULL;
+		cpuuser = 0;
+		cpusyst = 0;
+	}
+	else {
+		gettimeofday(&now, NULL);
+		getrusage(RUSAGE_SELF, &me);
+
+		usec = usecdiff(&now, &last);
+		cpuuser = me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec;
+		cpusyst = me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec;
+
+		bcopy(&now, &last, sizeof(struct timeval));
+		bcopy(&me, &me_last, sizeof(struct rusage));
+	}
+
+	fprintf(stdout, "BEGIN apps.cpu %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->stime + w->fix_utime + w->fix_stime);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.cpu_user %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->fix_utime);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.cpu_system %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->stime + w->fix_stime);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.threads %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->num_threads);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.processes %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %lu\n", w->name, w->processes);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.mem %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %lld\n", w->name, (long long)w->statm_resident - (long long)w->statm_share);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.minor_faults %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->minflt + w->fix_minflt);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.major_faults %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->majflt + w->fix_majflt);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.lreads %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.lwrites %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_written);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.preads %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_read);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.pwrites %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_written);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.files %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->openfiles);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.sockets %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->opensockets);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN apps.pipes %llu\n", usec);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "SET %s = %llu\n", w->name, w->openpipes);
+	}
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN netdata.apps_cpu %llu\n", usec);
+	fprintf(stdout, "SET user = %llu\n", cpuuser);
+	fprintf(stdout, "SET system = %llu\n", cpusyst);
+	fprintf(stdout, "END\n");
+
+	fprintf(stdout, "BEGIN netdata.apps_files %llu\n", usec);
+	fprintf(stdout, "SET files = %llu\n", file_counter);
+	fprintf(stdout, "SET pids = %ld\n", all_pids_count);
+	fprintf(stdout, "SET fds = %d\n", all_files_len);
+	fprintf(stdout, "SET targets = %ld\n", targets);
+	fprintf(stdout, "END\n");
+
+	fflush(stdout);
+}
+
+
+// ----------------------------------------------------------------------------
+// generate the charts
+
+void show_charts(void)
+{
+	struct target *w;
+	int newly_added = 0;
+
+	for(w = target_root ; w ; w = w->next)
+		if(!w->exposed && w->processes) {
+			newly_added++;
+			w->exposed = 1;
+			if(debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name);
+		}
+
+	// nothing more to show
+	if(!newly_added) return;
+
+	// we have something new to show
+	// update the charts
+	fprintf(stdout, "CHART apps.cpu '' 'Apps CPU Time (%ld%% = %ld core%s)' 'cpu time %%' cpu apps.cpu stacked 20001 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 100 %llu %s\n", w->name, Hertz, w->hidden ? "hidden,noreset" : "noreset");
+	}
+
+	fprintf(stdout, "CHART apps.mem '' 'Apps Dedicated Memory (w/o shared)' 'MB' mem apps.mem stacked 20003 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' absolute %ld %ld noreset\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
+	}
+
+	fprintf(stdout, "CHART apps.threads '' 'Apps Threads' 'threads' processes apps.threads stacked 20005 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
+	}
+
+	fprintf(stdout, "CHART apps.processes '' 'Apps Processes' 'processes' processes apps.processes stacked 20004 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
+	}
+
+	fprintf(stdout, "CHART apps.cpu_user '' 'Apps CPU User Time (%ld%% = %ld core%s)' 'cpu time %%' cpu apps.cpu_user stacked 20020 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
+	}
+
+	fprintf(stdout, "CHART apps.cpu_system '' 'Apps CPU System Time (%ld%% = %ld core%s)' 'cpu time %%' cpu apps.cpu_system stacked 20021 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
+	}
+
+	fprintf(stdout, "CHART apps.major_faults '' 'Apps Major Page Faults (swap read)' 'page faults/s' swap apps.major_faults stacked 20010 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
+	}
+
+	fprintf(stdout, "CHART apps.minor_faults '' 'Apps Minor Page Faults' 'page faults/s' mem apps.minor_faults stacked 20011 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
+	}
+
+	fprintf(stdout, "CHART apps.lreads '' 'Apps Disk Logical Reads' 'kilobytes/s' disk apps.lreads stacked 20042 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
+	}
+
+	fprintf(stdout, "CHART apps.lwrites '' 'Apps I/O Logical Writes' 'kilobytes/s' disk apps.lwrites stacked 20042 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
+	}
+
+	fprintf(stdout, "CHART apps.preads '' 'Apps Disk Reads' 'kilobytes/s' disk apps.preads stacked 20002 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
+	}
+
+	fprintf(stdout, "CHART apps.pwrites '' 'Apps Disk Writes' 'kilobytes/s' disk apps.pwrites stacked 20002 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
+	}
+
+	fprintf(stdout, "CHART apps.files '' 'Apps Open Files' 'open files' disk apps.files stacked 20050 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
+	}
+
+	fprintf(stdout, "CHART apps.sockets '' 'Apps Open Sockets' 'open sockets' net apps.sockets stacked 20051 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
+	}
+
+	fprintf(stdout, "CHART apps.pipes '' 'Apps Pipes' 'open pipes' processes apps.pipes stacked 20053 %d\n", update_every);
+	for (w = target_root; w ; w = w->next) {
+		if(w->target || (!w->processes && !w->exposed)) continue;
+
+		fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
+	}
+
+	fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %d\n", update_every);
+	fprintf(stdout, "DIMENSION user '' incremental 1 %d\n", 1000);
+	fprintf(stdout, "DIMENSION system '' incremental 1 %d\n", 1000);
+
+	fprintf(stdout, "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %d\n", update_every);
+	fprintf(stdout, "DIMENSION files '' incremental 1 1\n");
+	fprintf(stdout, "DIMENSION pids '' absolute 1 1\n");
+	fprintf(stdout, "DIMENSION fds '' absolute 1 1\n");
+	fprintf(stdout, "DIMENSION targets '' absolute 1 1\n");
+
+	fflush(stdout);
+}
+
+
+// ----------------------------------------------------------------------------
+// parse command line arguments
+
+void parse_args(int argc, char **argv)
+{
+	int i, freq = 0;
+	char *name = NULL;
+
+	for(i = 1; i < argc; i++) {
+		if(!freq) {
+			int n = atoi(argv[i]);
+			if(n > 0) {
+				freq = n;
+				continue;
+			}
+		}
+
+		if(strcmp("debug", argv[i]) == 0) {
+			debug = 1;
+			debug_flags = 0xffffffff;
+			continue;
+		}
+
+		if(!name) {
+			name = argv[i];
+			continue;
+		}
+
+		error("Cannot understand option %s", argv[i]);
+		exit(1);
+	}
+
+	if(freq > 0) update_every = freq;
+	if(!name) name = "groups";
+
+	if(read_process_groups(name)) {
+		error("Cannot read process groups %s", name);
+		exit(1);
+	}
+}
+
+int main(int argc, char **argv)
+{
+	// debug_flags = D_PROCFILE;
+
+	// set the name for logging
+	program_name = "apps.plugin";
+
+	host_prefix = getenv("NETDATA_HOST_PREFIX");
+	if(host_prefix == NULL) {
+		info("NETDATA_HOST_PREFIX is not passed from netdata");
+		host_prefix = "";
+	}
+	else info("Found NETDATA_HOST_PREFIX='%s'", host_prefix);
+
+	info("starting...");
+
+	procfile_adaptive_initial_allocation = 1;
+
+	time_t started_t = time(NULL);
+	time_t current_t;
+	Hertz = get_hertz();
+	pid_max = get_pid_max();
+	processors = get_processors();
+
+	parse_args(argc, argv);
+
+	all_pids = calloc(sizeof(struct pid_stat *), (size_t) pid_max);
+	if(!all_pids) {
+		error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
+		printf("DISABLE\n");
+		exit(1);
+	}
+
+	unsigned long long counter = 1;
+	unsigned long long usec = 0, susec = 0;
+	struct timeval last, now;
+	gettimeofday(&last, NULL);
+
+	for(;1; counter++) {
+		if(!update_from_proc()) {
+			error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
+			printf("DISABLE\n");
+			exit(1);
+		}
+
+		update_statistics();
+		show_charts();		// this is smart enough to show only newly added apps, when needed
+		show_dimensions();
+
+		if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
+		fflush(NULL);
+
+		gettimeofday(&now, NULL);
+		usec = usecdiff(&now, &last) - susec;
+		if(debug) fprintf(stderr, "apps.plugin: last loop took %llu usec (worked for %llu, sleeped for %llu).\n", usec + susec, usec, susec);
+
+		// if the last loop took less than half the time
+		// wait the rest of the time
+		if(usec < (update_every * 1000000ULL / 2)) susec = (update_every * 1000000ULL) - usec;
+		else susec = update_every * 1000000ULL / 2;
+
+		usleep((__useconds_t) susec);
+		bcopy(&now, &last, sizeof(struct timeval));
+
+		// restart once per day (14400 seconds)
+		current_t = time(NULL);
+		if(current_t - started_t > 14400) exit(0);
+	}
+}
diff --git a/src/avl.c b/src/avl.c
new file mode 100755
index 00000000..4eb0ce0e
--- /dev/null
+++ b/src/avl.c
@@ -0,0 +1,398 @@
+/*
+ * ANSI C Library for maintainance of AVL Balanced Trees
+ *
+ * ref.:
+ *  G. M. Adelson-Velskij & E. M. Landis
+ *  Doklady Akad. Nauk SSSR 146 (1962), 263-266
+ *
+ * see also:
+ *  D. E. Knuth: The Art of Computer Programming Vol.3 (Sorting and Searching)
+ *
+ * (C) 2000 Daniel Nagy, Budapest University of Technology and Economics
+ * Released under GNU General Public License (GPL) version 2
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "avl.h"
+
+/* Private methods */
+int _avl_removeroot(avl_tree* t);
+
+/* Swing to the left
+ * Warning: no balance maintainance
+ */
+void avl_swl(avl** root) {
+	avl* a = *root;
+	avl* b = a->right;
+	*root = b;
+	a->right = b->left;
+	b->left = a;
+}
+
+/* Swing to the right
+ * Warning: no balance maintainance
+ */
+void avl_swr(avl** root) {
+	avl* a = *root;
+	avl* b = a->left;
+	*root = b;
+	a->left = b->right;
+	b->right = a;
+}
+
+/* Balance maintainance after especially nasty swings
+ */
+void avl_nasty(avl* root) {
+	switch (root->balance) {
+	case -1:
+		root->left->balance = 0;
+		root->right->balance = 1;
+		break;
+	case 1:
+		root->left->balance = -1;
+		root->right->balance = 0;
+		break;
+	case 0:
+		root->left->balance = 0;
+		root->right->balance = 0;
+	}
+	root->balance = 0;
+}
+
+/* Public methods */
+
+/* Insert element a into the AVL tree t
+ * returns 1 if the depth of the tree has grown
+ * Warning: do not insert elements already present
+ */
+int _avl_insert(avl_tree* t, avl* a) {
+	/* initialize */
+	a->left = 0;
+	a->right = 0;
+	a->balance = 0;
+	/* insert into an empty tree */
+	if (!t->root) {
+		t->root = a;
+		return 1;
+	}
+
+	if (t->compar(t->root, a) > 0) {
+		/* insert into the left subtree */
+		if (t->root->left) {
+			avl_tree left_subtree;
+			left_subtree.root = t->root->left;
+			left_subtree.compar = t->compar;
+			if (_avl_insert(&left_subtree, a)) {
+				switch (t->root->balance--) {
+				case 1:
+					return 0;
+				case 0:
+					return 1;
+				}
+				if (t->root->left->balance < 0) {
+					avl_swr(&(t->root));
+					t->root->balance = 0;
+					t->root->right->balance = 0;
+				} else {
+					avl_swl(&(t->root->left));
+					avl_swr(&(t->root));
+					avl_nasty(t->root);
+				}
+			} else
+				t->root->left = left_subtree.root;
+			return 0;
+		} else {
+			t->root->left = a;
+			if (t->root->balance--)
+				return 0;
+			return 1;
+		}
+	} else {
+		/* insert into the right subtree */
+		if (t->root->right) {
+			avl_tree right_subtree;
+			right_subtree.root = t->root->right;
+			right_subtree.compar = t->compar;
+			if (_avl_insert(&right_subtree, a)) {
+				switch (t->root->balance++) {
+				case -1:
+					return 0;
+				case 0:
+					return 1;
+				}
+				if (t->root->right->balance > 0) {
+					avl_swl(&(t->root));
+					t->root->balance = 0;
+					t->root->left->balance = 0;
+				} else {
+					avl_swr(&(t->root->right));
+					avl_swl(&(t->root));
+					avl_nasty(t->root);
+				}
+			} else
+				t->root->right = right_subtree.root;
+			return 0;
+		} else {
+			t->root->right = a;
+			if (t->root->balance++)
+				return 0;
+			return 1;
+		}
+	}
+}
+int avl_insert(avl_tree* t, avl* a) {
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_lock(&t->mutex);
+#else
+	pthread_rwlock_wrlock(&t->rwlock);
+#endif
+
+	int ret = _avl_insert(t, a);
+
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_unlock(&t->mutex);
+#else
+	pthread_rwlock_unlock(&t->rwlock);
+#endif
+	return ret;
+}
+
+/* Remove an element a from the AVL tree t
+ * returns -1 if the depth of the tree has shrunk
+ * Warning: if the element is not present in the tree,
+ *          returns 0 as if it had been removed succesfully.
+ */
+int _avl_remove(avl_tree* t, avl* a) {
+	int b;
+	if (t->root == a)
+		return _avl_removeroot(t);
+	b = t->compar(t->root, a);
+	if (b >= 0) {
+		/* remove from the left subtree */
+		int ch;
+		avl_tree left_subtree;
+		if ((left_subtree.root = t->root->left)) {
+			left_subtree.compar = t->compar;
+			ch = _avl_remove(&left_subtree, a);
+			t->root->left = left_subtree.root;
+			if (ch) {
+				switch (t->root->balance++) {
+				case -1:
+					return -1;
+				case 0:
+					return 0;
+				}
+				switch (t->root->right->balance) {
+				case 0:
+					avl_swl(&(t->root));
+					t->root->balance = -1;
+					t->root->left->balance = 1;
+					return 0;
+				case 1:
+					avl_swl(&(t->root));
+					t->root->balance = 0;
+					t->root->left->balance = 0;
+					return -1;
+				}
+				avl_swr(&(t->root->right));
+				avl_swl(&(t->root));
+				avl_nasty(t->root);
+				return -1;
+			}
+		}
+	}
+	if (b <= 0) {
+		/* remove from the right subtree */
+		int ch;
+		avl_tree right_subtree;
+		if ((right_subtree.root = t->root->right)) {
+			right_subtree.compar = t->compar;
+			ch = _avl_remove(&right_subtree, a);
+			t->root->right = right_subtree.root;
+			if (ch) {
+				switch (t->root->balance--) {
+				case 1:
+					return -1;
+				case 0:
+					return 0;
+				}
+				switch (t->root->left->balance) {
+				case 0:
+					avl_swr(&(t->root));
+					t->root->balance = 1;
+					t->root->right->balance = -1;
+					return 0;
+				case -1:
+					avl_swr(&(t->root));
+					t->root->balance = 0;
+					t->root->right->balance = 0;
+					return -1;
+				}
+				avl_swl(&(t->root->left));
+				avl_swr(&(t->root));
+				avl_nasty(t->root);
+				return -1;
+			}
+		}
+	}
+	return 0;
+}
+
+int avl_remove(avl_tree* t, avl* a) {
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_lock(&t->mutex);
+#else
+	pthread_rwlock_wrlock(&t->rwlock);
+#endif
+
+	int ret = _avl_remove(t, a);
+
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_unlock(&t->mutex);
+#else
+	pthread_rwlock_unlock(&t->rwlock);
+#endif
+	return ret;
+}
+
+/* Remove the root of the AVL tree t
+ * Warning: dumps core if t is empty
+ */
+int _avl_removeroot(avl_tree* t) {
+	int ch;
+	avl* a;
+	if (!t->root->left) {
+		if (!t->root->right) {
+			t->root = 0;
+			return -1;
+		}
+		t->root = t->root->right;
+		return -1;
+	}
+	if (!t->root->right) {
+		t->root = t->root->left;
+		return -1;
+	}
+	if (t->root->balance < 0) {
+		/* remove from the left subtree */
+		a = t->root->left;
+		while (a->right)
+			a = a->right;
+	} else {
+		/* remove from the right subtree */
+		a = t->root->right;
+		while (a->left)
+			a = a->left;
+	}
+	ch = _avl_remove(t, a);
+	a->left = t->root->left;
+	a->right = t->root->right;
+	a->balance = t->root->balance;
+	t->root = a;
+	if (a->balance == 0)
+		return ch;
+	return 0;
+}
+
+int avl_removeroot(avl_tree* t) {
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_lock(&t->mutex);
+#else
+	pthread_rwlock_wrlock(&t->rwlock);
+#endif
+
+	int ret = _avl_removeroot(t);
+
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_unlock(&t->mutex);
+#else
+	pthread_rwlock_unlock(&t->rwlock);
+#endif
+	return ret;
+}
+
+/* Iterate through elements in t from a range between a and b (inclusive)
+ * for each element calls iter(a) until it returns 0
+ * returns the last value returned by iterator or 0 if there were no calls
+ * Warning: a<=b must hold
+ */
+int _avl_range(avl_tree* t, avl* a, avl* b, int (*iter)(avl*), avl** ret) {
+	int x, c = 0;
+	if (!t->root)
+		return 0;
+	x = t->compar(t->root, a);
+	if (a != b) {
+		if (x < 0) {
+			x = t->compar(t->root, b);
+			if (x > 0)
+				x = 0;
+		}
+	}
+	if (x >= 0) {
+		/* search in the left subtree */
+		avl_tree left_subtree;
+		if ((left_subtree.root = t->root->left)) {
+			left_subtree.compar = t->compar;
+			if (!(c = _avl_range(&left_subtree, a, b, iter, ret)))
+				if (x > 0)
+					return 0;
+		}
+	}
+	if (x == 0) {
+		if (!(c = iter(t->root))) {
+			if (ret)
+				*ret = t->root;
+			return 0;
+		}
+	}
+	if (x <= 0) {
+		/* search in the right subtree */
+		avl_tree right_subtree;
+		if ((right_subtree.root = t->root->right)) {
+			right_subtree.compar = t->compar;
+			if (!(c = _avl_range(&right_subtree, a, b, iter, ret)))
+				if (x < 0)
+					return 0;
+		}
+	}
+	return c;
+}
+
+int avl_range(avl_tree* t, avl* a, avl* b, int (*iter)(avl*), avl** ret) {
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_lock(&t->mutex);
+#else
+	pthread_rwlock_wrlock(&t->rwlock);
+#endif
+
+	int ret2 = _avl_range(t, a, b, iter, ret);
+
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_unlock(&t->mutex);
+#else
+	pthread_rwlock_unlock(&t->rwlock);
+#endif
+
+	return ret2;
+}
+
+/* Iterate through elements in t equal to a
+ * for each element calls iter(a) until it returns 0
+ * returns the last value returned by iterator or 0 if there were no calls
+ */
+int avl_search(avl_tree* t, avl* a, int (*iter)(avl* a), avl** ret) {
+	return avl_range(t, a, a, iter, ret);
+}
+
+void avl_init(avl_tree* t, int (*compar)(void* a, void* b)) {
+	t->root = NULL;
+	t->compar = compar;
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_init(&t->mutex, NULL);
+#else
+	pthread_rwlock_init(&t->rwlock, NULL);
+#endif
+}
diff --git a/src/avl.h b/src/avl.h
new file mode 100755
index 00000000..cbcc4121
--- /dev/null
+++ b/src/avl.h
@@ -0,0 +1,80 @@
+/*
+ * ANSI C Library for maintainance of AVL Balanced Trees
+ *
+ * ref.:
+ *  G. M. Adelson-Velskij & E. M. Landis
+ *  Doklady Akad. Nauk SSSR 146 (1962), 263-266
+ *
+ * see also:
+ *  D. E. Knuth: The Art of Computer Programming Vol.3 (Sorting and Searching)
+ *
+ * (C) 2000 Daniel Nagy, Budapest University of Technology and Economics
+ * Released under GNU General Public License (GPL) version 2
+ *
+ */
+#ifndef _AVL_H
+#define _AVL_H 1
+
+#include <pthread.h>
+
+// #define AVL_LOCK_WITH_MUTEX 1
+
+/* Data structures */
+
+/* One element of the AVL tree */
+typedef struct avl {
+	struct avl* left;
+	struct avl* right;
+	signed char balance;
+} avl;
+
+/* An AVL tree */
+typedef struct avl_tree {
+	avl* root;
+	int (*compar)(void* a, void* b);
+
+#ifdef AVL_LOCK_WITH_MUTEX
+	pthread_mutex_t mutex;
+#else
+	pthread_rwlock_t rwlock;
+#endif
+} avl_tree;
+
+/* Public methods */
+
+/* Insert element a into the AVL tree t
+ * returns 1 if the depth of the tree has grown
+ * Warning: do not insert elements already present
+ */
+int avl_insert(avl_tree* t, avl* a);
+
+/* Remove an element a from the AVL tree t
+ * returns -1 if the depth of the tree has shrunk
+ * Warning: if the element is not present in the tree,
+ *          returns 0 as if it had been removed succesfully.
+ */
+int avl_remove(avl_tree* t, avl* a);
+
+/* Remove the root of the AVL tree t
+ * Warning: dumps core if t is empty
+ */
+int avl_removeroot(avl_tree* t);
+
+/* Iterate through elements in t from a range between a and b (inclusive)
+ * for each element calls iter(a) until it returns 0
+ * returns the last value returned by iterator or 0 if there were no calls
+ * Warning: a<=b must hold
+ */
+int avl_range(avl_tree* t, avl* a, avl* b, int (*iter)(avl*), avl** ret);
+
+/* Iterate through elements in t equal to a
+ * for each element calls iter(a) until it returns 0
+ * returns the last value returned by iterator or 0 if there were no calls
+ */
+int avl_search(avl_tree* t, avl* a, int (*iter)(avl*), avl** ret);
+
+/* Initialize the avl_tree
+ */
+void avl_init(avl_tree* t, int (*compar)(void* a, void* b));
+
+#endif /* avl.h */
diff --git a/src/common.c b/src/common.c
new file mode 100755
index 00000000..e3c3afe3
--- /dev/null
+++ b/src/common.c
@@ -0,0 +1,226 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <sys/syscall.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+
+
+#include "log.h"
+#include "common.h"
+#include "appconfig.h"
+
+char *global_host_prefix = "";
+int enable_ksm = 1;
+
+/*
+// http://stackoverflow.com/questions/7666509/hash-function-for-string
+uint32_t simple_hash(const char *name)
+{
+	const char *s = name;
+	uint32_t hash = 5381;
+	int i;
+
+	while((i = *s++)) hash = ((hash << 5) + hash) + i;
+
+	// fprintf(stderr, "HASH: %lu %s\n", hash, name);
+
+	return hash;
+}
+*/
+
+
+// http://isthe.com/chongo/tech/comp/fnv/#FNV-1a
+uint32_t simple_hash(const char *name) {
+	unsigned char *s = (unsigned char *)name;
+	uint32_t hval = 0x811c9dc5;
+
+	// FNV-1a algorithm
+	while (*s) {
+		// multiply by the 32 bit FNV magic prime mod 2^32
+		// gcc optimized
+		hval += (hval<<1) + (hval<<4) + (hval<<7) + (hval<<8) + (hval<<24);
+
+		// xor the bottom with the current octet
+		hval ^= (uint32_t)*s++;
+	}
+
+	// fprintf(stderr, "HASH: %u = %s\n", hval, name);
+	return hval;
+}
+
+/*
+// http://eternallyconfuzzled.com/tuts/algorithms/jsw_tut_hashing.aspx
+// one at a time hash
+uint32_t simple_hash(const char *name) {
+	unsigned char *s = (unsigned char *)name;
+	uint32_t h = 0;
+
+	while(*s) {
+		h += *s++;
+		h += (h << 10);
+		h ^= (h >> 6);
+	}
+
+	h += (h << 3);
+	h ^= (h >> 11);
+	h += (h << 15);
+
+	// fprintf(stderr, "HASH: %u = %s\n", h, name);
+
+	return h;
+}
+*/
+
+void strreverse(char* begin, char* end)
+{
+    char aux;
+    while (end > begin)
+        aux = *end, *end-- = *begin, *begin++ = aux;
+}
+
+char *mystrsep(char **ptr, char *s)
+{
+	char *p = "";
+	while ( p && !p[0] && *ptr ) p = strsep(ptr, s);
+	return(p);
+}
+
+char *trim(char *s)
+{
+	// skip leading spaces
+	while(*s && isspace(*s)) s++;
+	if(!*s || *s == '#') return NULL;
+
+	// skip tailing spaces
+	long c = (long) strlen(s) - 1;
+	while(c >= 0 && isspace(s[c])) {
+		s[c] = '\0';
+		c--;
+	}
+	if(c < 0) return NULL;
+	if(!*s) return NULL;
+	return s;
+}
+
+void *mymmap(const char *filename, size_t size, int flags, int ksm)
+{
+	int fd;
+	void *mem = NULL;
+
+	errno = 0;
+	fd = open(filename, O_RDWR|O_CREAT|O_NOATIME, 0664);
+	if(fd != -1) {
+		if(lseek(fd, size, SEEK_SET) == (long)size) {
+			if(write(fd, "", 1) == 1) {
+				if(ftruncate(fd, size))
+					error("Cannot truncate file '%s' to size %ld. Will use the larger file.", filename, size);
+
+#ifdef MADV_MERGEABLE
+				if(flags & MAP_SHARED || !enable_ksm || !ksm) {
+#endif
+					mem = mmap(NULL, size, PROT_READ|PROT_WRITE, flags, fd, 0);
+					if(mem) {
+						int advise = MADV_SEQUENTIAL|MADV_DONTFORK;
+						if(flags & MAP_SHARED) advise |= MADV_WILLNEED;
+
+						if(madvise(mem, size, advise) != 0)
+							error("Cannot advise the kernel about the memory usage of file '%s'.", filename);
+					}
+#ifdef MADV_MERGEABLE
+				}
+				else {
+					mem = mmap(NULL, size, PROT_READ|PROT_WRITE, flags|MAP_ANONYMOUS, -1, 0);
+					if(mem) {
+						if(lseek(fd, 0, SEEK_SET) == 0) {
+							if(read(fd, mem, size) != (ssize_t)size)
+								error("Cannot read from file '%s'", filename);
+						}
+						else
+							error("Cannot seek to beginning of file '%s'.", filename);
+
+						// don't use MADV_SEQUENTIAL|MADV_DONTFORK, they disable MADV_MERGEABLE
+						if(madvise(mem, size, MADV_SEQUENTIAL|MADV_DONTFORK) != 0)
+							error("Cannot advise the kernel about the memory usage (MADV_SEQUENTIAL|MADV_DONTFORK) of file '%s'.", filename);
+
+						if(madvise(mem, size, MADV_MERGEABLE) != 0)
+							error("Cannot advise the kernel about the memory usage (MADV_MERGEABLE) of file '%s'.", filename);
+					}
+					else
+						error("Cannot allocate PRIVATE ANONYMOUS memory for KSM for file '%s'.", filename);
+				}
+#endif
+			}
+			else error("Cannot write to file '%s' at position %ld.", filename, size);
+		}
+		else error("Cannot seek file '%s' to size %ld.", filename, size);
+
+		close(fd);
+	}
+	else error("Cannot create/open file '%s'.", filename);
+
+	return mem;
+}
+
+int savememory(const char *filename, void *mem, unsigned long size)
+{
+	char tmpfilename[FILENAME_MAX + 1];
+
+	snprintf(tmpfilename, FILENAME_MAX, "%s.%ld.tmp", filename, (long)getpid());
+
+	int fd = open(tmpfilename, O_RDWR|O_CREAT|O_NOATIME, 0664);
+	if(fd < 0) {
+		error("Cannot create/open file '%s'.", filename);
+		return -1;
+	}
+
+	if(write(fd, mem, size) != (long)size) {
+		error("Cannot write to file '%s' %ld bytes.", filename, (long)size);
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+
+	int ret = 0;
+	if(rename(tmpfilename, filename)) {
+		error("Cannot rename '%s' to '%s'", tmpfilename, filename);
+		ret = -1;
+	}
+
+	return ret;
+}
+
+int fd_is_valid(int fd) {
+    return fcntl(fd, F_GETFD) != -1 || errno != EBADF;
+}
+
+/*
+ ***************************************************************************
+ * Get number of clock ticks per second.
+ ***************************************************************************
+ */
+unsigned int hz;
+
+void get_HZ(void)
+{
+	long ticks;
+
+	if ((ticks = sysconf(_SC_CLK_TCK)) == -1) {
+		perror("sysconf");
+	}
+
+	hz = (unsigned int) ticks;
+}
+
+pid_t gettid(void)
+{
+	return syscall(SYS_gettid);
+}
+
diff --git a/src/common.h b/src/common.h
new file mode 100755
index 00000000..9d8836f8
--- /dev/null
+++ b/src/common.h
@@ -0,0 +1,35 @@
+#ifndef NETDATA_COMMON_H
+#define NETDATA_COMMON_H 1
+
+#if defined(HAVE_INTTYPES_H)
+#include <inttypes.h>
+#elif defined(HAVE_STDINT_H)
+#include <stdint.h>
+#endif
+#include <sys/types.h>
+#include <unistd.h>
+
+#define abs(x) ((x < 0)? -x : x)
+#define usecdiff(now, last) (((((now)->tv_sec * 1000000ULL) + (now)->tv_usec) - (((last)->tv_sec * 1000000ULL) + (last)->tv_usec)))
+
+extern uint32_t simple_hash(const char *name);
+extern void strreverse(char* begin, char* end);
+extern char *mystrsep(char **ptr, char *s);
+extern char *trim(char *s);
+
+extern void *mymmap(const char *filename, size_t size, int flags, int ksm);
+extern int savememory(const char *filename, void *mem, unsigned long size);
+
+extern int fd_is_valid(int fd);
+
+extern char *global_host_prefix;
+extern int enable_ksm;
+
+/* Number of ticks per second */
+#define HZ        myhz
+extern unsigned int hz;
+extern void get_HZ(void);
+
+extern pid_t gettid(void);
+
+#endif /* NETDATA_COMMON_H */
diff --git a/src/daemon.c b/src/daemon.c
new file mode 100755
index 00000000..26881479
--- /dev/null
+++ b/src/daemon.c
@@ -0,0 +1,317 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <pthread.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <execinfo.h>
+
+#include "common.h"
+#include "appconfig.h"
+#include "log.h"
+#include "web_client.h"
+#include "plugins_d.h"
+#include "rrd.h"
+#include "popen.h"
+#include "main.h"
+#include "daemon.h"
+
+void sig_handler(int signo)
+{
+	switch(signo) {
+		case SIGILL:
+		case SIGABRT:
+		case SIGFPE:
+		case SIGSEGV:
+		case SIGBUS:
+		case SIGSYS:
+		case SIGTRAP:
+		case SIGXCPU:
+		case SIGXFSZ:
+			infoerr("Death signaled exit (signal %d).", signo);
+			signal(signo, SIG_DFL);
+			break;
+
+		case SIGKILL:
+		case SIGTERM:
+		case SIGQUIT:
+		case SIGINT:
+		case SIGHUP:
+		case SIGUSR1:
+		case SIGUSR2:
+			infoerr("Signaled exit (signal %d).", signo);
+			signal(SIGPIPE, SIG_IGN);
+			signal(SIGTERM, SIG_IGN);
+			signal(SIGQUIT, SIG_IGN);
+			signal(SIGHUP,  SIG_IGN);
+			signal(SIGINT,  SIG_IGN);
+			signal(SIGCHLD, SIG_IGN);
+			netdata_cleanup_and_exit(1);
+			break;
+
+		case SIGPIPE:
+			infoerr("Signaled PIPE (signal %d).", signo);
+			// this is received when web clients send a reset
+			// no need to log it.
+			// infoerr("Ignoring signal %d.", signo);
+			break;
+
+		default:
+			info("Signal %d received. Falling back to default action for it.", signo);
+			signal(signo, SIG_DFL);
+			break;
+	}
+}
+
+char rundir[FILENAME_MAX + 1] = "/var/run/netdata";
+char pidfile[FILENAME_MAX + 1] = "";
+void prepare_rundir() {
+	if(getuid() != 0) {
+		mkdir("/run/user", 0775);
+		snprintf(rundir, FILENAME_MAX, "/run/user/%d", getuid());
+		mkdir(rundir, 0775);
+		snprintf(rundir, FILENAME_MAX, "/run/user/%d/netdata", getuid());
+	}
+
+	snprintf(pidfile, FILENAME_MAX, "%s/netdata.pid", rundir);
+
+	if(mkdir(rundir, 0775) != 0) {
+		if(errno != EEXIST) error("Cannot create directory '%s'.", rundir);
+	}
+}
+
+int become_user(const char *username)
+{
+	struct passwd *pw = getpwnam(username);
+	if(!pw) {
+		error("User %s is not present.", username);
+		return -1;
+	}
+
+	if(chown(rundir, pw->pw_uid, pw->pw_gid) != 0) {
+		error("Cannot chown directory '%s' to user %s.", rundir, username);
+		return -1;
+	}
+
+	if(setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) != 0) {
+		error("Cannot switch to user's %s group (gid: %d).", username, pw->pw_gid);
+		return -1;
+	}
+
+	if(setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid) != 0) {
+		error("Cannot switch to user %s (uid: %d).", username, pw->pw_uid);
+		return -1;
+	}
+
+	if(setgid(pw->pw_gid) != 0) {
+		error("Cannot switch to user's %s group (gid: %d).", username, pw->pw_gid);
+		return -1;
+	}
+	if(setegid(pw->pw_gid) != 0) {
+		error("Cannot effectively switch to user's %s group (gid: %d).", username, pw->pw_gid);
+		return -1;
+	}
+	if(setuid(pw->pw_uid) != 0) {
+		error("Cannot switch to user %s (uid: %d).", username, pw->pw_uid);
+		return -1;
+	}
+	if(seteuid(pw->pw_uid) != 0) {
+		error("Cannot effectively switch to user %s (uid: %d).", username, pw->pw_uid);
+		return -1;
+	}
+
+	return(0);
+}
+
+int become_daemon(int dont_fork, int close_all_files, const char *user, const char *input, const char *output, const char *error, const char *access, int *access_fd, FILE **access_fp)
+{
+	fflush(NULL);
+
+	// open the files before forking
+	int input_fd = -1, output_fd = -1, error_fd = -1, dev_null;
+
+	if(input && *input) {
+		if((input_fd = open(input, O_RDONLY, 0666)) == -1) {
+			error("Cannot open input file '%s'.", input);
+			return -1;
+		}
+	}
+
+	if(output && *output) {
+		if((output_fd = open(output, O_RDWR | O_APPEND | O_CREAT, 0666)) == -1) {
+			error("Cannot open output log file '%s'", output);
+			if(input_fd != -1) close(input_fd);
+			return -1;
+		}
+	}
+
+	if(error && *error) {
+		if((error_fd = open(error, O_RDWR | O_APPEND | O_CREAT, 0666)) == -1) {
+			error("Cannot open error log file '%s'.", error);
+			if(input_fd != -1) close(input_fd);
+			if(output_fd != -1) close(output_fd);
+			return -1;
+		}
+	}
+
+	if(access && *access && access_fd) {
+		if((*access_fd = open(access, O_RDWR | O_APPEND | O_CREAT, 0666)) == -1) {
+			error("Cannot open access log file '%s'", access);
+			if(input_fd != -1) close(input_fd);
+			if(output_fd != -1) close(output_fd);
+			if(error_fd != -1) close(error_fd);
+			return -1;
+		}
+
+		if(access_fp) {
+			*access_fp = fdopen(*access_fd, "w");
+			if(!*access_fp) {
+				error("Cannot migrate file's '%s' fd %d.", access, *access_fd);
+				if(input_fd != -1) close(input_fd);
+				if(output_fd != -1) close(output_fd);
+				if(error_fd != -1) close(error_fd);
+				close(*access_fd);
+				*access_fd = -1;
+				return -1;
+			}
+		}
+	}
+
+	if((dev_null = open("/dev/null", O_RDWR, 0666)) == -1) {
+		perror("Cannot open /dev/null");
+		if(input_fd != -1) close(input_fd);
+		if(output_fd != -1) close(output_fd);
+		if(error_fd != -1) close(error_fd);
+		if(access && access_fd && *access_fd != -1) {
+			close(*access_fd);
+			*access_fd = -1;
+			if(access_fp) {
+				fclose(*access_fp);
+				*access_fp = NULL;
+			}
+		}
+		return -1;
+	}
+
+	// all files opened
+	// lets do it
+
+	if(!dont_fork) {
+		int i = fork();
+		if(i == -1) {
+			perror("cannot fork");
+			exit(1);
+		}
+		if(i != 0) {
+			exit(0); // the parent
+		}
+
+		// become session leader
+		if (setsid() < 0) {
+			perror("Cannot become session leader.");
+			exit(2);
+		}
+	}
+
+	signal(SIGCHLD,  SIG_IGN);
+	signal(SIGHUP,   SIG_IGN);
+	signal(SIGWINCH, SIG_IGN);
+
+	// fork() again
+	if(!dont_fork) {
+		int i = fork();
+		if(i == -1) {
+			perror("cannot fork");
+			exit(1);
+		}
+		if(i != 0) {
+			exit(0); // the parent
+		}
+	}
+
+	// Set new file permissions
+	umask(0);
+
+	// close all files
+	if(close_all_files) {
+		int i;
+		for(i = (int) (sysconf(_SC_OPEN_MAX) - 1); i > 0; i--)
+			if(
+				((access_fd && i != *access_fd) || !access_fd)
+				&& i != dev_null
+				&& i != input_fd
+				&& i != output_fd
+				&& i != error_fd
+				&& fd_is_valid(i)
+				) close(i);
+	}
+	else {
+		close(STDIN_FILENO);
+		close(STDOUT_FILENO);
+		close(STDERR_FILENO);
+	}
+
+	// put the opened files
+	// to our standard file descriptors
+	if(input_fd != -1) {
+		if(input_fd != STDIN_FILENO) {
+			dup2(input_fd, STDIN_FILENO);
+			close(input_fd);
+		}
+		input_fd = -1;
+	}
+	else dup2(dev_null, STDIN_FILENO);
+
+	if(output_fd != -1) {
+		if(output_fd != STDOUT_FILENO) {
+			dup2(output_fd, STDOUT_FILENO);
+			close(output_fd);
+		}
+		output_fd = -1;
+	}
+	else dup2(dev_null, STDOUT_FILENO);
+
+	if(error_fd != -1) {
+		if(error_fd != STDERR_FILENO) {
+			dup2(error_fd, STDERR_FILENO);
+			close(error_fd);
+		}
+		error_fd = -1;
+	}
+	else dup2(dev_null, STDERR_FILENO);
+
+	// close /dev/null
+	if(dev_null != STDIN_FILENO && dev_null != STDOUT_FILENO && dev_null != STDERR_FILENO)
+		close(dev_null);
+
+	// generate our pid file
+	{
+		unlink(pidfile);
+		int fd = open(pidfile, O_RDWR | O_CREAT, 0666);
+		if(fd >= 0) {
+			char b[100];
+			sprintf(b, "%d\n", getpid());
+			ssize_t i = write(fd, b, strlen(b));
+			if(i <= 0) perror("Cannot write pid to file.");
+			close(fd);
+		}
+	}
+
+	if(user && *user) {
+		if(become_user(user) != 0) {
+			error("Cannot become user '%s'. Continuing as we are.", user);
+		}
+		else info("Successfully became user '%s'.", user);
+	}
+
+	return(0);
+}
diff --git a/src/daemon.h b/src/daemon.h
new file mode 100755
index 00000000..77186daa
--- /dev/null
+++ b/src/daemon.h
@@ -0,0 +1,14 @@
+#ifndef NETDATA_DAEMON_H
+#define NETDATA_DAEMON_H 1
+
+extern void sig_handler(int signo);
+
+extern void prepare_rundir();
+
+extern int become_user(const char *username);
+
+extern int become_daemon(int dont_fork, int close_all_files, const char *user, const char *input, const char *output, const char *error, const char *access, int *access_fd, FILE **access_fp);
+
+extern void netdata_cleanup_and_exit(int i);
+
+#endif /* NETDATA_DAEMON_H */
diff --git a/src/dictionary.c b/src/dictionary.c
new file mode 100755
index 00000000..31f4d52e
--- /dev/null
+++ b/src/dictionary.c
@@ -0,0 +1,160 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "avl.h"
+#include "common.h"
+#include "log.h"
+
+#include "dictionary.h"
+
+// ----------------------------------------------------------------------------
+// name_value index
+
+static int name_value_iterator(avl *a) { if(a) {}; return 0; }
+
+static int name_value_compare(void* a, void* b) {
+	if(((NAME_VALUE *)a)->hash < ((NAME_VALUE *)b)->hash) return -1;
+	else if(((NAME_VALUE *)a)->hash > ((NAME_VALUE *)b)->hash) return 1;
+	else return strcmp(((NAME_VALUE *)a)->name, ((NAME_VALUE *)b)->name);
+}
+
+#define name_value_index_add(dict, cv) avl_insert(&((dict)->values_index), (avl *)(cv))
+#define name_value_index_del(dict, cv) avl_remove(&((dict)->values_index), (avl *)(cv))
+
+static NAME_VALUE *dictionary_name_value_index_find(DICTIONARY *dict, const char *name, uint32_t hash) {
+	NAME_VALUE *result = NULL, tmp;
+	tmp.hash = (hash)?hash:simple_hash(name);
+	tmp.name = (char *)name;
+
+	avl_search(&(dict->values_index), (avl *)&tmp, name_value_iterator, (avl **)&result);
+	return result;
+}
+
+// ----------------------------------------------------------------------------
+
+static NAME_VALUE *dictionary_name_value_create(DICTIONARY *dict, const char *name, void *value, size_t value_len) {
+	debug(D_DICTIONARY, "Creating name value entry for name '%s', value '%s'.", name, value);
+
+	NAME_VALUE *nv = calloc(1, sizeof(NAME_VALUE));
+	if(!nv) {
+		fatal("Cannot allocate name_value of size %z", sizeof(NAME_VALUE));
+		exit(1);
+	}
+
+	nv->name = strdup(name);
+	if(!nv->name) fatal("Cannot allocate name_value.name of size %z", strlen(name));
+	nv->hash = simple_hash(nv->name);
+
+	nv->value = malloc(value_len);
+	if(!nv->value) fatal("Cannot allocate name_value.value of size %z", value_len);
+	memcpy(nv->value, value, value_len);
+
+	// link it
+	pthread_rwlock_wrlock(&dict->rwlock);
+	nv->next = dict->values;
+	dict->values = nv;
+	pthread_rwlock_unlock(&dict->rwlock);
+
+	// index it
+	name_value_index_add(dict, nv);
+
+	return nv;
+}
+
+static void dictionary_name_value_destroy(DICTIONARY *dict, NAME_VALUE *nv) {
+	debug(D_DICTIONARY, "Destroying name value entry for name '%s'.", nv->name);
+
+	pthread_rwlock_wrlock(&dict->rwlock);
+	if(dict->values == nv) dict->values = nv->next;
+	else {
+		NAME_VALUE *n = dict->values;
+		while(n && n->next && n->next != nv) nv = nv->next;
+		if(!n || n->next != nv) {
+			fatal("Cannot find name_value with name '%s' in dictionary.", nv->name);
+			exit(1);
+		}
+		n->next = nv->next;
+		nv->next = NULL;
+	}
+	pthread_rwlock_unlock(&dict->rwlock);
+
+	free(nv->value);
+	free(nv);
+}
+
+// ----------------------------------------------------------------------------
+
+DICTIONARY *dictionary_create(void) {
+	debug(D_DICTIONARY, "Creating dictionary.");
+
+	DICTIONARY *dict = calloc(1, sizeof(DICTIONARY));
+	if(!dict) {
+		fatal("Cannot allocate DICTIONARY");
+		exit(1);
+	}
+
+	avl_init(&dict->values_index, name_value_compare);
+	pthread_rwlock_init(&dict->rwlock, NULL);
+
+	return dict;
+}
+
+void dictionary_destroy(DICTIONARY *dict) {
+	debug(D_DICTIONARY, "Destroying dictionary.");
+
+	pthread_rwlock_wrlock(&dict->rwlock);
+	while(dict->values) dictionary_name_value_destroy(dict, dict->values);
+	pthread_rwlock_unlock(&dict->rwlock);
+
+	free(dict);
+}
+
+// ----------------------------------------------------------------------------
+
+void *dictionary_set(DICTIONARY *dict, const char *name, void *value, size_t value_len) {
+	debug(D_DICTIONARY, "SET dictionary entry with name '%s'.", name);
+
+	pthread_rwlock_rdlock(&dict->rwlock);
+	NAME_VALUE *nv = dictionary_name_value_index_find(dict, name, 0);
+	pthread_rwlock_unlock(&dict->rwlock);
+	if(!nv) {
+		debug(D_DICTIONARY, "Dictionary entry with name '%s' not found. Creating a new one.", name);
+		nv = dictionary_name_value_create(dict, name, value, value_len);
+		if(!nv) {
+			fatal("Cannot create name_value.");
+			exit(1);
+		}
+		return nv->value;
+	}
+	else {
+		debug(D_DICTIONARY, "Dictionary entry with name '%s' found. Changing its value.", name);
+		pthread_rwlock_wrlock(&dict->rwlock);
+		void *old = nv->value;
+		nv->value = malloc(value_len);
+		if(!nv->value) fatal("Cannot allocate value of size %z", value_len);
+		memcpy(nv->value, value, value_len);
+		pthread_rwlock_unlock(&dict->rwlock);
+		free(old);
+	}
+
+	return nv->value;
+}
+
+void *dictionary_get(DICTIONARY *dict, const char *name) {
+	debug(D_DICTIONARY, "GET dictionary entry with name '%s'.", name);
+
+	pthread_rwlock_rdlock(&dict->rwlock);
+	NAME_VALUE *nv = dictionary_name_value_index_find(dict, name, 0);
+	pthread_rwlock_unlock(&dict->rwlock);
+	if(!nv) {
+		debug(D_DICTIONARY, "Not found dictionary entry with name '%s'.", name);
+		return NULL;
+	}
+
+	debug(D_DICTIONARY, "Found dictionary entry with name '%s'.", name);
+	return nv->value;
+}
diff --git a/src/dictionary.h b/src/dictionary.h
new file mode 100755
index 00000000..9822b23c
--- /dev/null
+++ b/src/dictionary.h
@@ -0,0 +1,29 @@
+#include "web_buffer.h"
+
+#ifndef NETDATA_DICTIONARY_H
+#define NETDATA_DICTIONARY_H 1
+
+typedef struct name_value {
+	avl avl;				// the index - this has to be first!
+
+	uint32_t hash;			// a simple hash to speed up searching
+							// we first compare hashes, and only if the hashes are equal we do string comparisons
+
+	char *name;
+	char *value;
+
+	struct name_value *next;
+} NAME_VALUE;
+
+typedef struct dictionary {
+	NAME_VALUE *values;
+	avl_tree values_index;
+	pthread_rwlock_t rwlock;
+} DICTIONARY;
+
+extern DICTIONARY *dictionary_create(void);
+extern void dictionary_destroy(DICTIONARY *dict);
+extern void *dictionary_set(DICTIONARY *dict, const char *name, void *value, size_t value_len);
+extern void *dictionary_get(DICTIONARY *dict, const char *name);
+
+#endif /* NETDATA_DICTIONARY_H */
diff --git a/src/global_statistics.c b/src/global_statistics.c
new file mode 100755
index 00000000..d4a04efd
--- /dev/null
+++ b/src/global_statistics.c
@@ -0,0 +1,18 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <pthread.h>
+
+#include "global_statistics.h"
+
+struct global_statistics global_statistics = { 0ULL, 0ULL, 0ULL, 0ULL };
+
+pthread_mutex_t global_statistics_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+void global_statistics_lock(void) {
+	pthread_mutex_lock(&global_statistics_mutex);
+}
+
+void global_statistics_unlock(void) {
+	pthread_mutex_unlock(&global_statistics_mutex);
+}
diff --git a/src/global_statistics.h b/src/global_statistics.h
new file mode 100755
index 00000000..ce3c3490
--- /dev/null
+++ b/src/global_statistics.h
@@ -0,0 +1,20 @@
+#ifndef NETDATA_GLOBAL_STATISTICS_H
+#define NETDATA_GLOBAL_STATISTICS_H 1
+
+// ----------------------------------------------------------------------------
+// global statistics
+
+struct global_statistics {
+	unsigned long long connected_clients;
+	unsigned long long web_requests;
+	unsigned long long bytes_received;
+	unsigned long long bytes_sent;
+
+};
+
+extern struct global_statistics global_statistics;
+
+extern void global_statistics_lock(void);
+extern void global_statistics_unlock(void);
+
+#endif /* NETDATA_GLOBAL_STATISTICS_H */
diff --git a/src/log.c b/src/log.c
new file mode 100755
index 00000000..7ab3f1a5
--- /dev/null
+++ b/src/log.c
@@ -0,0 +1,157 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <time.h>
+#include <syslog.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "log.h"
+#include "common.h"
+
+
+// ----------------------------------------------------------------------------
+// LOG
+
+const char *program_name = "";
+unsigned long long debug_flags = DEBUG;
+
+int silent = 0;
+
+int access_fd = -1;
+FILE *stdaccess = NULL;
+
+int access_log_syslog = 1;
+int error_log_syslog = 1;
+int output_log_syslog = 1;	// debug log
+
+void log_date(FILE *out)
+{
+		char outstr[200];
+		time_t t;
+		struct tm *tmp, tmbuf;
+
+		t = time(NULL);
+		tmp = localtime_r(&t, &tmbuf);
+
+		if (tmp == NULL) return;
+		if (strftime(outstr, sizeof(outstr), "%y-%m-%d %H:%M:%S", tmp) == 0) return;
+
+		fprintf(out, "%s: ", outstr);
+}
+
+void debug_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
+{
+	va_list args;
+
+	log_date(stdout);
+	va_start( args, fmt );
+	fprintf(stdout, "DEBUG (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
+	vfprintf( stdout, fmt, args );
+	va_end( args );
+	fprintf(stdout, "\n");
+
+	if(output_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_ERR,  fmt, args );
+		va_end( args );
+	}
+}
+
+void info_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
+{
+	va_list args;
+
+	log_date(stderr);
+
+	va_start( args, fmt );
+	if(debug_flags) fprintf(stderr, "INFO (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
+	else            fprintf(stderr, "INFO: %s: ", program_name);
+	vfprintf( stderr, fmt, args );
+	va_end( args );
+
+	fprintf(stderr, "\n");
+
+	if(error_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_INFO,  fmt, args );
+		va_end( args );
+	}
+}
+
+void error_int( const char *prefix, const char *file, const char *function, const unsigned long line, const char *fmt, ... )
+{
+	va_list args;
+
+	log_date(stderr);
+
+	va_start( args, fmt );
+	if(debug_flags) fprintf(stderr, "%s (%04lu@%-10.10s:%-15.15s): %s: ", prefix, line, file, function, program_name);
+	else            fprintf(stderr, "%s: %s: ", prefix, program_name);
+	vfprintf( stderr, fmt, args );
+	va_end( args );
+
+	if(errno) {
+		char buf[200];
+		char *s = strerror_r(errno, buf, 200);
+		fprintf(stderr, " (errno %d, %s)\n", errno, s);
+		errno = 0;
+	}
+	else fprintf(stderr, "\n");
+
+	if(error_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_ERR,  fmt, args );
+		va_end( args );
+	}
+}
+
+void fatal_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
+{
+	va_list args;
+
+	log_date(stderr);
+
+	va_start( args, fmt );
+	if(debug_flags) fprintf(stderr, "FATAL (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
+	else            fprintf(stderr, "FATAL: %s: ", program_name);
+	vfprintf( stderr, fmt, args );
+	va_end( args );
+
+	perror(" # ");
+	fprintf(stderr, "\n");
+
+	if(error_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_CRIT,  fmt, args );
+		va_end( args );
+	}
+
+	exit(1);
+}
+
+void log_access( const char *fmt, ... )
+{
+	va_list args;
+
+	if(stdaccess) {
+		log_date(stdaccess);
+
+		va_start( args, fmt );
+		vfprintf( stdaccess, fmt, args );
+		va_end( args );
+		fprintf( stdaccess, "\n");
+#ifdef NETDATA_INTERNAL_CHECKS
+		fflush( stdaccess );
+#endif
+	}
+
+	if(access_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_INFO,  fmt, args );
+		va_end( args );
+	}
+}
+
diff --git a/src/log.h b/src/log.h
new file mode 100755
index 00000000..08f3c4fe
--- /dev/null
+++ b/src/log.h
@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+#ifndef NETDATA_LOG_H
+#define NETDATA_LOG_H 1
+
+#define D_WEB_BUFFER 		0x00000001
+#define D_WEB_CLIENT 		0x00000002
+#define D_LISTENER   		0x00000004
+#define D_WEB_DATA   		0x00000008
+#define D_OPTIONS    		0x00000010
+#define D_PROCNETDEV_LOOP   0x00000020
+#define D_RRD_STATS 		0x00000040
+#define D_WEB_CLIENT_ACCESS	0x00000080
+#define D_TC_LOOP           0x00000100
+#define D_DEFLATE           0x00000200
+#define D_CONFIG            0x00000400
+#define D_PLUGINSD          0x00000800
+#define D_CHILDS            0x00001000
+#define D_EXIT              0x00002000
+#define D_CHECKS            0x00004000
+#define D_NFACCT_LOOP		0x00008000
+#define D_PROCFILE			0x00010000
+#define D_RRD_CALLS			0x00020000
+#define D_DICTIONARY		0x00040000
+#define D_MEMORY			0x00080000
+
+//#define DEBUG (D_WEB_CLIENT_ACCESS|D_LISTENER|D_RRD_STATS)
+//#define DEBUG 0xffffffff
+#define DEBUG (0)
+
+extern unsigned long long debug_flags;
+
+extern const char *program_name;
+
+extern int silent;
+
+extern int access_fd;
+extern FILE *stdaccess;
+
+extern int access_log_syslog;
+extern int error_log_syslog;
+extern int output_log_syslog;
+
+#define debug(type, args...) do { if(unlikely(!silent && (debug_flags & type))) debug_int(__FILE__, __FUNCTION__, __LINE__, ##args); } while(0)
+#define info(args...)    info_int(__FILE__, __FUNCTION__, __LINE__, ##args)
+#define infoerr(args...) error_int("INFO", __FILE__, __FUNCTION__, __LINE__, ##args)
+#define error(args...)   error_int("ERROR", __FILE__, __FUNCTION__, __LINE__, ##args)
+#define fatal(args...)   fatal_int(__FILE__, __FUNCTION__, __LINE__, ##args)
+
+extern void log_date(FILE *out);
+extern void debug_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... );
+extern void info_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... );
+extern void error_int( const char *prefix, const char *file, const char *function, const unsigned long line, const char *fmt, ... );
+extern void fatal_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... ) __attribute__ ((noreturn));
+extern void log_access( const char *fmt, ... );
+
+#endif /* NETDATA_LOG_H */
diff --git a/src/main.c b/src/main.c
new file mode 100755
index 00000000..a2975735
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,479 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <syslog.h>
+#include <pthread.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/mman.h>
+
+#include "common.h"
+#include "log.h"
+#include "daemon.h"
+#include "web_server.h"
+#include "popen.h"
+#include "appconfig.h"
+#include "web_client.h"
+#include "rrd.h"
+#include "rrd2json.h"
+
+#include "unit_test.h"
+
+#include "plugins_d.h"
+#include "plugin_idlejitter.h"
+#include "plugin_tc.h"
+#include "plugin_checks.h"
+#include "plugin_proc.h"
+#include "plugin_nfacct.h"
+
+#include "main.h"
+
+int netdata_exit = 0;
+
+void netdata_cleanup_and_exit(int ret)
+{
+	netdata_exit = 1;
+	rrdset_save_all();
+	// kill_childs();
+	unlink("/var/run/netdata.pid");
+	info("NetData exiting. Bye bye...");
+	exit(ret);
+}
+
+struct netdata_static_thread {
+	char *name;
+
+	char *config_section;
+	char *config_name;
+
+	int enabled;
+
+	pthread_t *thread;
+
+	void (*init_routine) (void);
+	void *(*start_routine) (void *);
+};
+
+struct netdata_static_thread static_threads[] = {
+	{"tc",			"plugins",	"tc",			1, NULL, NULL,	tc_main},
+	{"idlejitter",	"plugins",	"idlejitter",	1, NULL, NULL,	cpuidlejitter_main},
+	{"proc",		"plugins",	"proc",			1, NULL, NULL,	proc_main},
+
+#ifdef INTERNAL_PLUGIN_NFACCT
+	// nfacct requires root access
+	// so, we build it as an external plugin with setuid to root
+	{"nfacct",		"plugins",	"nfacct",		1, NULL, NULL, 	nfacct_main},
+#endif
+
+	{"plugins.d",	NULL,		NULL,			1, NULL, NULL,	pluginsd_main},
+	{"check",		"plugins",	"checks",		0, NULL, NULL,	checks_main},
+	{"web",			NULL,		NULL,			1, NULL, NULL,	socket_listen_main},
+	{NULL,			NULL,		NULL,			0, NULL, NULL,	NULL}
+};
+
+int killpid(pid_t pid, int sig)
+{
+	int ret = -1;
+	debug(D_EXIT, "Request to kill pid %d", pid);
+
+	errno = 0;
+	if(kill(pid, 0) == -1) {
+		switch(errno) {
+			case ESRCH:
+				error("Request to kill pid %d, but it is not running.", pid);
+				break;
+
+			case EPERM:
+				error("Request to kill pid %d, but I do not have enough permissions.", pid);
+				break;
+
+			default:
+				error("Request to kill pid %d, but I received an error.", pid);
+				break;
+		}
+	}
+	else {
+		errno = 0;
+
+		void (*old)(int);
+		old = signal(sig, SIG_IGN);
+		if(old == SIG_ERR) {
+			error("Cannot overwrite signal handler for signal %d", sig);
+			old = sig_handler;
+		}
+
+		ret = kill(pid, sig);
+
+		if(signal(sig, old) == SIG_ERR)
+			error("Cannot restore signal handler for signal %d", sig);
+
+		if(ret == -1) {
+			switch(errno) {
+				case ESRCH:
+					error("Cannot kill pid %d, but it is not running.", pid);
+					break;
+
+				case EPERM:
+					error("Cannot kill pid %d, but I do not have enough permissions.", pid);
+					break;
+
+				default:
+					error("Cannot kill pid %d, but I received an error.", pid);
+					break;
+			}
+		}
+	}
+
+	return ret;
+}
+
+void kill_childs()
+{
+	siginfo_t info;
+
+	struct web_client *w;
+	for(w = web_clients; w ; w = w->next) {
+		debug(D_EXIT, "Stopping web client %s", w->client_ip);
+		pthread_cancel(w->thread);
+		pthread_join(w->thread, NULL);
+	}
+
+	int i;
+	for (i = 0; static_threads[i].name != NULL ; i++) {
+		if(static_threads[i].thread) {
+			debug(D_EXIT, "Stopping %s thread", static_threads[i].name);
+			pthread_cancel(*static_threads[i].thread);
+			pthread_join(*static_threads[i].thread, NULL);
+			static_threads[i].thread = NULL;
+		}
+	}
+
+	if(tc_child_pid) {
+		info("Killing tc-qos-helper procees");
+		if(killpid(tc_child_pid, SIGTERM) != -1)
+			waitid(P_PID, (id_t) tc_child_pid, &info, WEXITED);
+	}
+	tc_child_pid = 0;
+
+	struct plugind *cd;
+	for(cd = pluginsd_root ; cd ; cd = cd->next) {
+		debug(D_EXIT, "Stopping %s plugin thread", cd->id);
+		pthread_cancel(cd->thread);
+		pthread_join(cd->thread, NULL);
+
+		if(cd->pid && !cd->obsolete) {
+			debug(D_EXIT, "killing %s plugin process", cd->id);
+			if(killpid(cd->pid, SIGTERM) != -1)
+				waitid(P_PID, (id_t) cd->pid, &info, WEXITED);
+		}
+	}
+
+	// if, for any reason there is any child exited
+	// catch it here
+	waitid(P_PID, 0, &info, WEXITED|WNOHANG);
+
+	debug(D_EXIT, "All threads/childs stopped.");
+}
+
+
+int main(int argc, char **argv)
+{
+	int i;
+	int config_loaded = 0;
+	int dont_fork = 0;
+
+	// global initialization
+	get_HZ();
+
+	// set the name for logging
+	program_name = "netdata";
+
+	// parse  the arguments
+	for(i = 1; i < argc ; i++) {
+		if(strcmp(argv[i], "-c") == 0 && (i+1) < argc) {
+			if(load_config(argv[i+1], 1) != 1) {
+				error("Cannot load configuration file %s.", argv[i+1]);
+				exit(1);
+			}
+			else {
+				debug(D_OPTIONS, "Configuration loaded from %s.", argv[i+1]);
+				config_loaded = 1;
+			}
+			i++;
+		}
+		else if(strcmp(argv[i], "-df") == 0 && (i+1) < argc) { config_set("global", "debug flags",  argv[i+1]); debug_flags = strtoull(argv[i+1], NULL, 0); i++; }
+		else if(strcmp(argv[i], "-p")  == 0 && (i+1) < argc) { config_set("global", "port",         argv[i+1]); i++; }
+		else if(strcmp(argv[i], "-u")  == 0 && (i+1) < argc) { config_set("global", "run as user",  argv[i+1]); i++; }
+		else if(strcmp(argv[i], "-l")  == 0 && (i+1) < argc) { config_set("global", "history",      argv[i+1]); i++; }
+		else if(strcmp(argv[i], "-t")  == 0 && (i+1) < argc) { config_set("global", "update every", argv[i+1]); i++; }
+		else if(strcmp(argv[i], "-ch") == 0 && (i+1) < argc) { config_set("global", "host access prefix", argv[i+1]); i++; }
+		else if(strcmp(argv[i], "-nodeamon") == 0 || strcmp(argv[i], "-nd") == 0) dont_fork = 1;
+		else if(strcmp(argv[i], "--unittest")  == 0) {
+			rrd_update_every = 1;
+			if(run_all_mockup_tests()) exit(1);
+			if(unit_test_storage()) exit(1);
+			fprintf(stderr, "\n\nALL TESTS PASSED\n\n");
+			exit(0);
+		}
+		else {
+			fprintf(stderr, "Cannot understand option '%s'.\n", argv[i]);
+			fprintf(stderr, "\nUSAGE: %s [-d] [-l LINES_TO_SAVE] [-u UPDATE_TIMER] [-p LISTEN_PORT] [-dl debug log file] [-df debug flags].\n\n", argv[0]);
+			fprintf(stderr, "  -c CONFIG FILE the configuration file to load. Default: %s.\n", CONFIG_DIR "/" CONFIG_FILENAME);
+			fprintf(stderr, "  -l LINES_TO_SAVE can be from 5 to %d lines in JSON data. Default: %d.\n", RRD_HISTORY_ENTRIES_MAX, RRD_DEFAULT_HISTORY_ENTRIES);
+			fprintf(stderr, "  -t UPDATE_TIMER can be from 1 to %d seconds. Default: %d.\n", UPDATE_EVERY_MAX, UPDATE_EVERY);
+			fprintf(stderr, "  -p LISTEN_PORT can be from 1 to %d. Default: %d.\n", 65535, LISTEN_PORT);
+			fprintf(stderr, "  -u USERNAME can be any system username to run as. Default: none.\n");
+			fprintf(stderr, "  -ch path to access host /proc and /sys when running in a container. Default: empty.\n");
+			fprintf(stderr, "  -nd or -nodeamon to disable forking in the background. Default: unset.\n");
+			fprintf(stderr, "  -df FLAGS debug options. Default: 0x%08llx.\n", debug_flags);
+			exit(1);
+		}
+	}
+
+	if(!config_loaded) load_config(NULL, 0);
+
+	// prepare configuration environment variables for the plugins
+	setenv("NETDATA_CONFIG_DIR" , config_get("global", "config directory"   , CONFIG_DIR) , 1);
+	setenv("NETDATA_PLUGINS_DIR", config_get("global", "plugins directory"  , PLUGINS_DIR), 1);
+	setenv("NETDATA_WEB_DIR"    , config_get("global", "web files directory", WEB_DIR)    , 1);
+	setenv("NETDATA_CACHE_DIR"  , config_get("global", "cache directory"    , CACHE_DIR)  , 1);
+	setenv("NETDATA_LOG_DIR"    , config_get("global", "log directory"      , LOG_DIR)    , 1);
+	setenv("NETDATA_HOST_PREFIX", config_get("global", "host access prefix" , "")         , 1);
+
+	// avoid extended to stat(/etc/localtime)
+	// http://stackoverflow.com/questions/4554271/how-to-avoid-excessive-stat-etc-localtime-calls-in-strftime-on-linux
+	setenv("TZ", ":/etc/localtime", 0);
+
+	// cd to /tmp to avoid any plugins writing files at random places
+	if(chdir("/tmp")) error("netdata: ERROR: Cannot cd to /tmp");
+
+	char *input_log_file = NULL;
+	char *output_log_file = NULL;
+	char *error_log_file = NULL;
+	char *access_log_file = NULL;
+	char *user = NULL;
+	{
+		char buffer[1024];
+
+		// --------------------------------------------------------------------
+
+		sprintf(buffer, "0x%08llx", 0ULL);
+		char *flags = config_get("global", "debug flags", buffer);
+		setenv("NETDATA_DEBUG_FLAGS", flags, 1);
+
+		debug_flags = strtoull(flags, NULL, 0);
+		debug(D_OPTIONS, "Debug flags set to '0x%8llx'.", debug_flags);
+
+		if(debug_flags != 0) {
+			struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
+			if(setrlimit(RLIMIT_CORE, &rl) != 0)
+				info("Cannot request unlimited core dumps for debugging... Proceeding anyway...");
+		}
+
+		// --------------------------------------------------------------------
+
+#ifdef MADV_MERGEABLE
+		enable_ksm = config_get_boolean("global", "memory deduplication (ksm)", enable_ksm);
+#else
+#warning "Kernel memory deduplication (KSM) is not available"
+#endif
+
+		// --------------------------------------------------------------------
+
+
+		global_host_prefix = config_get("global", "host access prefix", "");
+		setenv("NETDATA_HOST_PREFIX", global_host_prefix, 1);
+
+		// --------------------------------------------------------------------
+
+		output_log_file = config_get("global", "debug log", LOG_DIR "/debug.log");
+		if(strcmp(output_log_file, "syslog") == 0) {
+			output_log_syslog = 1;
+			output_log_file = NULL;
+		}
+		else if(strcmp(output_log_file, "none") == 0) {
+			output_log_syslog = 0;
+			output_log_file = NULL;
+		}
+		else output_log_syslog = 0;
+
+		// --------------------------------------------------------------------
+
+		error_log_file = config_get("global", "error log", LOG_DIR "/error.log");
+		if(strcmp(error_log_file, "syslog") == 0) {
+			error_log_syslog = 1;
+			error_log_file = NULL;
+		}
+		else if(strcmp(error_log_file, "none") == 0) {
+			error_log_syslog = 0;
+			error_log_file = NULL;
+			// optimization - do not even generate debug log entries
+		}
+		else error_log_syslog = 0;
+
+		// --------------------------------------------------------------------
+
+		access_log_file = config_get("global", "access log", LOG_DIR "/access.log");
+		if(strcmp(access_log_file, "syslog") == 0) {
+			access_log_syslog = 1;
+			access_log_file = NULL;
+		}
+		else if(strcmp(access_log_file, "none") == 0) {
+			access_log_syslog = 0;
+			access_log_file = NULL;
+		}
+		else access_log_syslog = 0;
+
+		// --------------------------------------------------------------------
+
+		rrd_memory_mode = rrd_memory_mode_id(config_get("global", "memory mode", rrd_memory_mode_name(rrd_memory_mode)));
+
+		// --------------------------------------------------------------------
+
+		if(gethostname(buffer, HOSTNAME_MAX) == -1)
+			error("WARNING: Cannot get machine hostname.");
+		hostname = config_get("global", "hostname", buffer);
+		debug(D_OPTIONS, "hostname set to '%s'", hostname);
+
+		// --------------------------------------------------------------------
+
+		rrd_default_history_entries = (int) config_get_number("global", "history", RRD_DEFAULT_HISTORY_ENTRIES);
+		if(rrd_default_history_entries < 5 || rrd_default_history_entries > RRD_HISTORY_ENTRIES_MAX) {
+			fprintf(stderr, "Invalid save lines %d given. Defaulting to %d.\n", rrd_default_history_entries, RRD_DEFAULT_HISTORY_ENTRIES);
+			rrd_default_history_entries = RRD_DEFAULT_HISTORY_ENTRIES;
+		}
+		else {
+			debug(D_OPTIONS, "save lines set to %d.", rrd_default_history_entries);
+		}
+
+		// --------------------------------------------------------------------
+
+		rrd_update_every = (int) config_get_number("global", "update every", UPDATE_EVERY);
+		if(rrd_update_every < 1 || rrd_update_every > 600) {
+			fprintf(stderr, "Invalid update timer %d given. Defaulting to %d.\n", rrd_update_every, UPDATE_EVERY_MAX);
+			rrd_update_every = UPDATE_EVERY;
+		}
+		else debug(D_OPTIONS, "update timer set to %d.", rrd_update_every);
+
+		// let the plugins know the min update_every
+		{
+			char buf[50];
+			snprintf(buf, 50, "%d", rrd_update_every);
+			setenv("NETDATA_UPDATE_EVERY", buf, 1);
+		}
+
+		// --------------------------------------------------------------------
+
+		for (i = 0; static_threads[i].name != NULL ; i++) {
+			struct netdata_static_thread *st = &static_threads[i];
+
+			if(st->config_name) st->enabled = config_get_boolean(st->config_section, st->config_name, st->enabled);
+			if(st->enabled && st->init_routine) st->init_routine();
+		}
+
+		// --------------------------------------------------------------------
+
+		prepare_rundir();
+		user = config_get("global", "run as user"    , (getuid() == 0)?NETDATA_USER:"");
+		web_files_uid();
+
+		// --------------------------------------------------------------------
+
+		listen_backlog = (int) config_get_number("global", "http port listen backlog", LISTEN_BACKLOG);
+
+		listen_port = (int) config_get_number("global", "port", LISTEN_PORT);
+		if(listen_port < 1 || listen_port > 65535) {
+			fprintf(stderr, "Invalid listen port %d given. Defaulting to %d.\n", listen_port, LISTEN_PORT);
+			listen_port = LISTEN_PORT;
+		}
+		else debug(D_OPTIONS, "Listen port set to %d.", listen_port);
+
+		int ip = 0;
+		char *ipv = config_get("global", "ip version", "any");
+		if(!strcmp(ipv, "any") || !strcmp(ipv, "both") || !strcmp(ipv, "all")) ip = 0;
+		else if(!strcmp(ipv, "ipv4") || !strcmp(ipv, "IPV4") || !strcmp(ipv, "IPv4") || !strcmp(ipv, "4")) ip = 4;
+		else if(!strcmp(ipv, "ipv6") || !strcmp(ipv, "IPV6") || !strcmp(ipv, "IPv6") || !strcmp(ipv, "6")) ip = 6;
+		else fprintf(stderr, "Cannot understand ip version '%s'. Assumming 'any'.", ipv);
+
+		if(ip == 0 || ip == 6) listen_fd = create_listen_socket6(listen_port, listen_backlog);
+		if(listen_fd < 0) {
+			listen_fd = create_listen_socket4(listen_port, listen_backlog);
+			if(listen_fd >= 0 && ip != 4) fprintf(stderr, "Managed to open an IPv4 socket on port %d.", listen_port);
+		}
+
+		if(listen_fd < 0) fatal("Cannot listen socket.");
+	}
+
+	// never become a problem
+	if(nice(20) == -1) error("Cannot lower my CPU priority.");
+
+	if(become_daemon(dont_fork, 0, user, input_log_file, output_log_file, error_log_file, access_log_file, &access_fd, &stdaccess) == -1) {
+		fatal("Cannot demonize myself.");
+		exit(1);
+	}
+
+	if(output_log_syslog || error_log_syslog || access_log_syslog)
+		openlog("netdata", LOG_PID, LOG_DAEMON);
+
+	info("NetData started on pid %d", getpid());
+
+
+	// catch all signals
+	for (i = 1 ; i < 65 ;i++) {
+		switch(i) {
+			case SIGKILL: // not catchable
+			case SIGSTOP: // not catchable
+				break;
+
+			case SIGSEGV:
+			case SIGFPE:
+			case SIGCHLD:
+				signal(i, SIG_DFL);
+				break;
+
+			default:
+				signal(i,  sig_handler);
+				break;
+		}
+	}
+
+	for (i = 0; static_threads[i].name != NULL ; i++) {
+		struct netdata_static_thread *st = &static_threads[i];
+
+		if(st->enabled) {
+			st->thread = malloc(sizeof(pthread_t));
+
+			info("Starting thread %s.", st->name);
+
+			if(pthread_create(st->thread, NULL, st->start_routine, NULL))
+				error("failed to create new thread for %s.", st->name);
+
+			else if(pthread_detach(*st->thread))
+				error("Cannot request detach of newly created %s thread.", st->name);
+		}
+		else info("Not starting thread %s.", st->name);
+	}
+
+	// for future use - the main thread
+	while(1) {
+		if(netdata_exit != 0) {
+			netdata_exit++;
+
+			if(netdata_exit > 5) {
+				netdata_cleanup_and_exit(0);
+				exit(0);
+			}
+		}
+		sleep(2);
+	}
+
+	exit(0);
+}
diff --git a/src/main.h b/src/main.h
new file mode 100755
index 00000000..6a90efd9
--- /dev/null
+++ b/src/main.h
@@ -0,0 +1,10 @@
+#ifndef NETDATA_MAIN_H
+#define NETDATA_MAIN_H 1
+
+extern int netdata_exit;
+
+extern void kill_childs(void);
+extern int killpid(pid_t pid, int signal);
+extern void netdata_cleanup_and_exit(int ret);
+
+#endif /* NETDATA_MAIN_H */
diff --git a/src/plugin_checks.c b/src/plugin_checks.c
new file mode 100755
index 00000000..379fb9a8
--- /dev/null
+++ b/src/plugin_checks.c
@@ -0,0 +1,97 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <pthread.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <strings.h>
+#include <unistd.h>
+
+#include "common.h"
+#include "appconfig.h"
+#include "log.h"
+#include "rrd.h"
+#include "plugin_checks.h"
+
+void *checks_main(void *ptr)
+{
+	if(ptr) { ; }
+
+	info("CHECKS thread created with task id %d", gettid());
+
+	if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+		error("Cannot set pthread cancel type to DEFERRED.");
+
+	if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+		error("Cannot set pthread cancel state to ENABLE.");
+
+	unsigned long long usec = 0, susec = rrd_update_every * 1000000ULL, loop_usec = 0, total_susec = 0;
+	struct timeval now, last, loop;
+
+	RRDSET *check1, *check2, *check3, *apps_cpu = NULL;
+
+	check1 = rrdset_create("netdata", "check1", NULL, "netdata", NULL, "Caller gives microseconds", "a million !", 99999, rrd_update_every, RRDSET_TYPE_LINE);
+	rrddim_add(check1, "absolute", NULL, -1, 1, RRDDIM_ABSOLUTE);
+	rrddim_add(check1, "incremental", NULL, 1, 1, RRDDIM_INCREMENTAL);
+
+	check2 = rrdset_create("netdata", "check2", NULL, "netdata", NULL, "Netdata calcs microseconds", "a million !", 99999, rrd_update_every, RRDSET_TYPE_LINE);
+	rrddim_add(check2, "absolute", NULL, -1, 1, RRDDIM_ABSOLUTE);
+	rrddim_add(check2, "incremental", NULL, 1, 1, RRDDIM_INCREMENTAL);
+
+	check3 = rrdset_create("netdata", "checkdt", NULL, "netdata", NULL, "Clock difference", "microseconds diff", 99999, rrd_update_every, RRDSET_TYPE_LINE);
+	rrddim_add(check3, "caller", NULL, 1, 1, RRDDIM_ABSOLUTE);
+	rrddim_add(check3, "netdata", NULL, 1, 1, RRDDIM_ABSOLUTE);
+	rrddim_add(check3, "apps.plugin", NULL, 1, 1, RRDDIM_ABSOLUTE);
+
+	gettimeofday(&last, NULL);
+	while(1) {
+		usleep(susec);
+
+		// find the time to sleep in order to wait exactly update_every seconds
+		gettimeofday(&now, NULL);
+		loop_usec = usecdiff(&now, &last);
+		usec = loop_usec - susec;
+		debug(D_PROCNETDEV_LOOP, "CHECK: last loop took %llu usec (worked for %llu, sleeped for %llu).", loop_usec, usec, susec);
+
+		if(usec < (rrd_update_every * 1000000ULL / 2ULL)) susec = (rrd_update_every * 1000000ULL) - usec;
+		else susec = rrd_update_every * 1000000ULL / 2ULL;
+
+		// --------------------------------------------------------------------
+		// Calculate loop time
+
+		last.tv_sec = now.tv_sec;
+		last.tv_usec = now.tv_usec;
+		total_susec += loop_usec;
+
+		// --------------------------------------------------------------------
+		// check chart 1
+
+		if(check1->counter_done) rrdset_next_usec(check1, loop_usec);
+		rrddim_set(check1, "absolute", 1000000);
+		rrddim_set(check1, "incremental", total_susec);
+		rrdset_done(check1);
+
+		// --------------------------------------------------------------------
+		// check chart 2
+
+		if(check2->counter_done) rrdset_next(check2);
+		rrddim_set(check2, "absolute", 1000000);
+		rrddim_set(check2, "incremental", total_susec);
+		rrdset_done(check2);
+
+		// --------------------------------------------------------------------
+		// check chart 3
+
+		if(!apps_cpu) apps_cpu = rrdset_find("apps.cpu");
+		if(check3->counter_done) rrdset_next_usec(check3, loop_usec);
+		gettimeofday(&loop, NULL);
+		rrddim_set(check3, "caller", (long long)usecdiff(&loop, &check1->last_collected_time));
+		rrddim_set(check3, "netdata", (long long)usecdiff(&loop, &check2->last_collected_time));
+		if(apps_cpu) rrddim_set(check3, "apps.plugin", (long long)usecdiff(&loop, &apps_cpu->last_collected_time));
+		rrdset_done(check3);
+	}
+
+	pthread_exit(NULL);
+	return NULL;
+}
+
diff --git a/src/plugin_checks.h b/src/plugin_checks.h
new file mode 100755
index 00000000..c27685b8
--- /dev/null
+++ b/src/plugin_checks.h
@@ -0,0 +1,6 @@
+#ifndef NETDATA_PLUGIN_CHECKS_H
+#define NETDATA_PLUGIN_CHECKS_H 1
+
+void *checks_main(void *ptr);
+
+#endif /* NETDATA_PLUGIN_PROC_H */
diff --git a/src/plugin_idlejitter.c b/src/plugin_idlejitter.c
new file mode 100755
index 00000000..56c22a16
--- /dev/null
+++ b/src/plugin_idlejitter.c
@@ -0,0 +1,68 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <pthread.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <strings.h>
+#include <unistd.h>
+
+#include "global_statistics.h"
+#include "common.h"
+#include "appconfig.h"
+#include "log.h"
+#include "rrd.h"
+#include "plugin_idlejitter.h"
+
+#define CPU_IDLEJITTER_SLEEP_TIME_MS 20
+
+void *cpuidlejitter_main(void *ptr)
+{
+	if(ptr) { ; }
+
+	info("CPU Idle Jitter thread created with task id %d", gettid());
+
+	if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+		error("Cannot set pthread cancel type to DEFERRED.");
+
+	if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+		error("Cannot set pthread cancel state to ENABLE.");
+
+	int sleep_ms = (int) config_get_number("plugin:idlejitter", "loop time in ms", CPU_IDLEJITTER_SLEEP_TIME_MS);
+	if(sleep_ms <= 0) {
+		config_set_number("plugin:idlejitter", "loop time in ms", CPU_IDLEJITTER_SLEEP_TIME_MS);
+		sleep_ms = CPU_IDLEJITTER_SLEEP_TIME_MS;
+	}
+
+	RRDSET *st = rrdset_find("system.idlejitter");
+	if(!st) {
+		st = rrdset_create("system", "idlejitter", NULL, "processes", NULL, "CPU Idle Jitter", "microseconds lost/s", 9999, rrd_update_every, RRDSET_TYPE_LINE);
+		rrddim_add(st, "jitter", NULL, 1, 1, RRDDIM_ABSOLUTE);
+	}
+
+	struct timeval before, after;
+	unsigned long long counter;
+	for(counter = 0; 1 ;counter++) {
+		unsigned long long usec = 0, susec = 0;
+
+		while(susec < (rrd_update_every * 1000000ULL)) {
+
+			gettimeofday(&before, NULL);
+			usleep(sleep_ms * 1000);
+			gettimeofday(&after, NULL);
+
+			// calculate the time it took for a full loop
+			usec = usecdiff(&after, &before);
+			susec += usec;
+		}
+		usec -= (sleep_ms * 1000);
+
+		if(counter) rrdset_next(st);
+		rrddim_set(st, "jitter", usec);
+		rrdset_done(st);
+	}
+
+	pthread_exit(NULL);
+	return NULL;
+}
+
diff --git a/src/plugin_idlejitter.h b/src/plugin_idlejitter.h
new file mode 100755
index 00000000..dc82f052
--- /dev/null
+++ b/src/plugin_idlejitter.h
@@ -0,0 +1,6 @@
+#ifndef NETDATA_PLUGIN_IDLEJITTER_H
+#define NETDATA_PLUGIN_IDLEJITTER_H 1
+
+extern void *cpuidlejitter_main(void *ptr);
+
+#endif /* NETDATA_PLUGIN_IDLEJITTER_H */
diff --git a/src/plugin_nfacct.c b/src/plugin_nfacct.c
new file mode 100644
index 00000000..0c5b3945
--- /dev/null
+++ b/src/plugin_nfacct.c
@@ -0,0 +1,221 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#ifdef INTERNAL_PLUGIN_NFACCT
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <time.h>
+#include <errno.h>
+
+#include <libmnl/libmnl.h>
+#include <libnetfilter_acct/libnetfilter_acct.h>
+
+#include "global_statistics.h"
+#include "common.h"
+#include "appconfig.h"
+#include "log.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+struct mynfacct {
+	const char *name;
+	uint64_t pkts;
+	uint64_t bytes;
+	struct nfacct *nfacct;
+};
+
+struct nfacct_list {
+	int size;
+	int len;
+	struct mynfacct data[];
+} *nfacct_list = NULL;
+
+static int nfacct_callback(const struct nlmsghdr *nlh, void *data) {
+	if(data) {};
+
+	if(!nfacct_list || nfacct_list->len == nfacct_list->size) {
+		int size = (nfacct_list) ? nfacct_list->size : 0;
+		int len = (nfacct_list) ? nfacct_list->len : 0;
+		size++;
+
+		info("nfacct.plugin: increasing nfacct_list to size %d", size);
+
+		nfacct_list = realloc(nfacct_list, sizeof(struct nfacct_list) + (sizeof(struct mynfacct) * size));
+		if(!nfacct_list) {
+			error("nfacct.plugin: cannot allocate nfacct_list.");
+			return MNL_CB_OK;
+		}
+
+		nfacct_list->data[len].nfacct = nfacct_alloc();
+		if(!nfacct_list->data[size - 1].nfacct) {
+			error("nfacct.plugin: nfacct_alloc() failed.");
+			free(nfacct_list);
+			nfacct_list = NULL;
+			return MNL_CB_OK;
+		}
+
+		nfacct_list->size = size;
+		nfacct_list->len = len;
+	}
+
+	if(nfacct_nlmsg_parse_payload(nlh, nfacct_list->data[nfacct_list->len].nfacct) < 0) {
+		error("nfacct.plugin: nfacct_nlmsg_parse_payload() failed.");
+		return MNL_CB_OK;
+	}
+
+	nfacct_list->data[nfacct_list->len].name  = nfacct_attr_get_str(nfacct_list->data[nfacct_list->len].nfacct, NFACCT_ATTR_NAME);
+	nfacct_list->data[nfacct_list->len].pkts  = nfacct_attr_get_u64(nfacct_list->data[nfacct_list->len].nfacct, NFACCT_ATTR_PKTS);
+	nfacct_list->data[nfacct_list->len].bytes = nfacct_attr_get_u64(nfacct_list->data[nfacct_list->len].nfacct, NFACCT_ATTR_BYTES);
+
+	nfacct_list->len++;
+	return MNL_CB_OK;
+}
+
+void *nfacct_main(void *ptr) {
+	if(ptr) { ; }
+
+	info("NFACCT thread created with task id %d", gettid());
+
+	if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+		error("nfacct.plugin: Cannot set pthread cancel type to DEFERRED.");
+
+	if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+		error("nfacct.plugin: Cannot set pthread cancel state to ENABLE.");
+
+	char buf[MNL_SOCKET_BUFFER_SIZE];
+	struct mnl_socket *nl = NULL;
+	struct nlmsghdr *nlh = NULL;
+	unsigned int seq = 0, portid = 0;
+
+	seq = time(NULL) - 1;
+
+	nl  = mnl_socket_open(NETLINK_NETFILTER);
+	if(!nl) {
+		error("nfacct.plugin: mnl_socket_open() failed");
+		pthread_exit(NULL);
+		return NULL;
+	}
+
+	if(mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
+		mnl_socket_close(nl);
+		error("nfacct.plugin: mnl_socket_bind() failed");
+		pthread_exit(NULL);
+		return NULL;
+	}
+	portid = mnl_socket_get_portid(nl);
+
+	// ------------------------------------------------------------------------
+
+	struct timeval last, now;
+	unsigned long long usec = 0, susec = 0;
+	RRDSET *st = NULL;
+
+	gettimeofday(&last, NULL);
+
+	// ------------------------------------------------------------------------
+
+	while(1) {
+		if(unlikely(netdata_exit)) break;
+
+		seq++;
+
+		nlh = nfacct_nlmsg_build_hdr(buf, NFNL_MSG_ACCT_GET, NLM_F_DUMP, seq);
+		if(!nlh) {
+			mnl_socket_close(nl);
+			error("nfacct.plugin: nfacct_nlmsg_build_hdr() failed");
+			pthread_exit(NULL);
+			return NULL;
+		}
+
+		if(mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
+			error("nfacct.plugin: mnl_socket_send");
+			pthread_exit(NULL);
+			return NULL;
+		}
+
+		if(nfacct_list) nfacct_list->len = 0;
+
+		int ret;
+		while((ret = mnl_socket_recvfrom(nl, buf, sizeof(buf))) > 0) {
+			if((ret = mnl_cb_run(buf, ret, seq, portid, nfacct_callback, NULL)) <= 0) break;
+		}
+
+		if (ret == -1) {
+			error("nfacct.plugin: error communicating with kernel.");
+			pthread_exit(NULL);
+			return NULL;
+		}
+
+		// --------------------------------------------------------------------
+
+		gettimeofday(&now, NULL);
+		usec = usecdiff(&now, &last) - susec;
+		debug(D_NFACCT_LOOP, "nfacct.plugin: last loop took %llu usec (worked for %llu, sleeped for %llu).", usec + susec, usec, susec);
+
+		if(usec < (rrd_update_every * 1000000ULL / 2ULL)) susec = (rrd_update_every * 1000000ULL) - usec;
+		else susec = rrd_update_every * 1000000ULL / 2ULL;
+
+
+		// --------------------------------------------------------------------
+
+		if(nfacct_list && nfacct_list->len) {
+			int i;
+
+			st = rrdset_find_bytype("nfacct", "packets");
+			if(!st) {
+				st = rrdset_create("nfacct", "packets", NULL, "netfilter", "Netfilter Accounting Packets", "packets/s", 1006, rrd_update_every, RRDSET_TYPE_STACKED);
+
+				for(i = 0; i < nfacct_list->len ; i++)
+					rrddim_add(st, nfacct_list->data[i].name, NULL, 1, rrd_update_every, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			for(i = 0; i < nfacct_list->len ; i++) {
+				RRDDIM *rd = rrddim_find(st, nfacct_list->data[i].name);
+
+				if(!rd) rd = rrddim_add(st, nfacct_list->data[i].name, NULL, 1, rrd_update_every, RRDDIM_INCREMENTAL);
+				if(rd) rrddim_set_by_pointer(st, rd, nfacct_list->data[i].pkts);
+			}
+
+			rrdset_done(st);
+
+			// ----------------------------------------------------------------
+
+			st = rrdset_find_bytype("nfacct", "bytes");
+			if(!st) {
+				st = rrdset_create("nfacct", "bytes", NULL, "netfilter", "Netfilter Accounting Bandwidth", "kilobytes/s", 1007, rrd_update_every, RRDSET_TYPE_STACKED);
+
+				for(i = 0; i < nfacct_list->len ; i++)
+					rrddim_add(st, nfacct_list->data[i].name, NULL, 1, 1000 * rrd_update_every, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			for(i = 0; i < nfacct_list->len ; i++) {
+				RRDDIM *rd = rrddim_find(st, nfacct_list->data[i].name);
+
+				if(!rd) rd = rrddim_add(st, nfacct_list->data[i].name, NULL, 1, 1000 * rrd_update_every, RRDDIM_INCREMENTAL);
+				if(rd) rrddim_set_by_pointer(st, rd, nfacct_list->data[i].bytes);
+			}
+
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		usleep(susec);
+
+		// copy current to last
+		bcopy(&now, &last, sizeof(struct timeval));
+	}
+
+	mnl_socket_close(nl);
+	pthread_exit(NULL);
+	return NULL;
+}
+#endif
diff --git a/src/plugin_nfacct.h b/src/plugin_nfacct.h
new file mode 100755
index 00000000..88a3a923
--- /dev/null
+++ b/src/plugin_nfacct.h
@@ -0,0 +1,7 @@
+#ifndef NETDATA_NFACCT_H
+#define NETDATA_NFACCT_H 1
+
+extern void *nfacct_main(void *ptr);
+
+#endif /* NETDATA_NFACCT_H */
+
diff --git a/src/plugin_proc.c b/src/plugin_proc.c
new file mode 100755
index 00000000..af679de1
--- /dev/null
+++ b/src/plugin_proc.c
@@ -0,0 +1,300 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <pthread.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <strings.h>
+#include <unistd.h>
+
+#include "global_statistics.h"
+#include "common.h"
+#include "appconfig.h"
+#include "log.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+#include "main.h"
+
+unsigned long long sutime() {
+	struct timeval now;
+	gettimeofday(&now, NULL);
+	return now.tv_sec * 1000000ULL + now.tv_usec;
+}
+
+void *proc_main(void *ptr)
+{
+	if(ptr) { ; }
+
+	info("PROC Plugin thread created with task id %d", gettid());
+
+	if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+		error("Cannot set pthread cancel type to DEFERRED.");
+
+	if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+		error("Cannot set pthread cancel state to ENABLE.");
+
+	struct rusage me, thread;
+
+	// disable (by default) various interface that are not needed
+	config_get_boolean("plugin:proc:/proc/net/dev:lo", "enabled", 0);
+	config_get_boolean("plugin:proc:/proc/net/dev:fireqos_monitor", "enabled", 0);
+
+	// when ZERO, attempt to do it
+	int vdo_proc_net_dev 			= !config_get_boolean("plugin:proc", "/proc/net/dev", 1);
+	int vdo_proc_diskstats 			= !config_get_boolean("plugin:proc", "/proc/diskstats", 1);
+	int vdo_proc_net_snmp 			= !config_get_boolean("plugin:proc", "/proc/net/snmp", 1);
+	int vdo_proc_net_netstat 		= !config_get_boolean("plugin:proc", "/proc/net/netstat", 1);
+	int vdo_proc_net_stat_conntrack = !config_get_boolean("plugin:proc", "/proc/net/stat/conntrack", 1);
+	int vdo_proc_net_ip_vs_stats 	= !config_get_boolean("plugin:proc", "/proc/net/ip_vs/stats", 1);
+	int vdo_proc_stat 				= !config_get_boolean("plugin:proc", "/proc/stat", 1);
+	int vdo_proc_meminfo 			= !config_get_boolean("plugin:proc", "/proc/meminfo", 1);
+	int vdo_proc_vmstat 			= !config_get_boolean("plugin:proc", "/proc/vmstat", 1);
+	int vdo_proc_net_rpc_nfsd		= !config_get_boolean("plugin:proc", "/proc/net/rpc/nfsd", 1);
+	int vdo_proc_sys_kernel_random_entropy_avail	= !config_get_boolean("plugin:proc", "/proc/sys/kernel/random/entropy_avail", 1);
+	int vdo_proc_interrupts			= !config_get_boolean("plugin:proc", "/proc/interrupts", 1);
+	int vdo_proc_softirqs			= !config_get_boolean("plugin:proc", "/proc/softirqs", 1);
+	int vdo_proc_loadavg			= !config_get_boolean("plugin:proc", "/proc/loadavg", 1);
+	int vdo_sys_kernel_mm_ksm		= !config_get_boolean("plugin:proc", "/sys/kernel/mm/ksm", 1);
+	int vdo_cpu_netdata 			= !config_get_boolean("plugin:proc", "netdata server resources", 1);
+
+	// keep track of the time each module was called
+	unsigned long long sutime_proc_net_dev = 0ULL;
+	unsigned long long sutime_proc_diskstats = 0ULL;
+	unsigned long long sutime_proc_net_snmp = 0ULL;
+	unsigned long long sutime_proc_net_netstat = 0ULL;
+	unsigned long long sutime_proc_net_stat_conntrack = 0ULL;
+	unsigned long long sutime_proc_net_ip_vs_stats = 0ULL;
+	unsigned long long sutime_proc_stat = 0ULL;
+	unsigned long long sutime_proc_meminfo = 0ULL;
+	unsigned long long sutime_proc_vmstat = 0ULL;
+	unsigned long long sutime_proc_net_rpc_nfsd = 0ULL;
+	unsigned long long sutime_proc_sys_kernel_random_entropy_avail = 0ULL;
+	unsigned long long sutime_proc_interrupts = 0ULL;
+	unsigned long long sutime_proc_softirqs = 0ULL;
+	unsigned long long sutime_proc_loadavg = 0ULL;
+	unsigned long long sutime_sys_kernel_mm_ksm = 0ULL;
+
+	// the next time we will run - aligned properly
+	unsigned long long sunext = (time(NULL) - (time(NULL) % rrd_update_every) + rrd_update_every) * 1000000ULL;
+	unsigned long long sunow;
+
+	RRDSET *stcpu = NULL, *stcpu_thread = NULL, *stclients = NULL, *streqs = NULL, *stbytes = NULL;
+
+	for(;1;) {
+		if(unlikely(netdata_exit)) break;
+
+		// delay until it is our time to run
+		while((sunow = sutime()) < sunext)
+			usleep((useconds_t)(sunext - sunow));
+
+		// find the next time we need to run
+		while(sutime() > sunext)
+			sunext += rrd_update_every * 1000000ULL;
+
+		if(unlikely(netdata_exit)) break;
+
+		// BEGIN -- the job to be done
+
+		if(!vdo_sys_kernel_mm_ksm) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_sys_kernel_mm_ksm().");
+
+			sunow = sutime();
+			vdo_sys_kernel_mm_ksm = do_sys_kernel_mm_ksm(rrd_update_every, (sutime_sys_kernel_mm_ksm > 0)?sunow - sutime_sys_kernel_mm_ksm:0ULL);
+			sutime_sys_kernel_mm_ksm = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_loadavg) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_loadavg().");
+			sunow = sutime();
+			vdo_proc_loadavg = do_proc_loadavg(rrd_update_every, (sutime_proc_loadavg > 0)?sunow - sutime_proc_loadavg:0ULL);
+			sutime_proc_loadavg = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_interrupts) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_interrupts().");
+			sunow = sutime();
+			vdo_proc_interrupts = do_proc_interrupts(rrd_update_every, (sutime_proc_interrupts > 0)?sunow - sutime_proc_interrupts:0ULL);
+			sutime_proc_interrupts = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_softirqs) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_softirqs().");
+			sunow = sutime();
+			vdo_proc_softirqs = do_proc_softirqs(rrd_update_every, (sutime_proc_softirqs > 0)?sunow - sutime_proc_softirqs:0ULL);
+			sutime_proc_softirqs = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_sys_kernel_random_entropy_avail) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_sys_kernel_random_entropy_avail().");
+			sunow = sutime();
+			vdo_proc_sys_kernel_random_entropy_avail = do_proc_sys_kernel_random_entropy_avail(rrd_update_every, (sutime_proc_sys_kernel_random_entropy_avail > 0)?sunow - sutime_proc_sys_kernel_random_entropy_avail:0ULL);
+			sutime_proc_sys_kernel_random_entropy_avail = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_net_dev) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_dev().");
+			sunow = sutime();
+			vdo_proc_net_dev = do_proc_net_dev(rrd_update_every, (sutime_proc_net_dev > 0)?sunow - sutime_proc_net_dev:0ULL);
+			sutime_proc_net_dev = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_diskstats) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_diskstats().");
+			sunow = sutime();
+			vdo_proc_diskstats = do_proc_diskstats(rrd_update_every, (sutime_proc_diskstats > 0)?sunow - sutime_proc_diskstats:0ULL);
+			sutime_proc_diskstats = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_net_snmp) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_snmp().");
+			sunow = sutime();
+			vdo_proc_net_snmp = do_proc_net_snmp(rrd_update_every, (sutime_proc_net_snmp > 0)?sunow - sutime_proc_net_snmp:0ULL);
+			sutime_proc_net_snmp = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_net_netstat) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_netstat().");
+			sunow = sutime();
+			vdo_proc_net_netstat = do_proc_net_netstat(rrd_update_every, (sutime_proc_net_netstat > 0)?sunow - sutime_proc_net_netstat:0ULL);
+			sutime_proc_net_netstat = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_net_stat_conntrack) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_stat_conntrack().");
+			sunow = sutime();
+			vdo_proc_net_stat_conntrack	= do_proc_net_stat_conntrack(rrd_update_every, (sutime_proc_net_stat_conntrack > 0)?sunow - sutime_proc_net_stat_conntrack:0ULL);
+			sutime_proc_net_stat_conntrack = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_net_ip_vs_stats) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_net_ip_vs_stats().");
+			sunow = sutime();
+			vdo_proc_net_ip_vs_stats = do_proc_net_ip_vs_stats(rrd_update_every, (sutime_proc_net_ip_vs_stats > 0)?sunow - sutime_proc_net_ip_vs_stats:0ULL);
+			sutime_proc_net_ip_vs_stats = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_stat) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_stat().");
+			sunow = sutime();
+			vdo_proc_stat = do_proc_stat(rrd_update_every, (sutime_proc_stat > 0)?sunow - sutime_proc_stat:0ULL);
+			sutime_proc_stat = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_meminfo) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_meminfo().");
+			sunow = sutime();
+			vdo_proc_meminfo = do_proc_meminfo(rrd_update_every, (sutime_proc_meminfo > 0)?sunow - sutime_proc_meminfo:0ULL);
+			sutime_proc_meminfo = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_vmstat) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_vmstat().");
+			sunow = sutime();
+			vdo_proc_vmstat = do_proc_vmstat(rrd_update_every, (sutime_proc_vmstat > 0)?sunow - sutime_proc_vmstat:0ULL);
+			sutime_proc_vmstat = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		if(!vdo_proc_net_rpc_nfsd) {
+			debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_rpc_nfsd().");
+			sunow = sutime();
+			vdo_proc_net_rpc_nfsd = do_proc_net_rpc_nfsd(rrd_update_every, (sutime_proc_net_rpc_nfsd > 0)?sunow - sutime_proc_net_rpc_nfsd:0ULL);
+			sutime_proc_net_rpc_nfsd = sunow;
+		}
+		if(unlikely(netdata_exit)) break;
+
+		// END -- the job is done
+
+		// --------------------------------------------------------------------
+
+		if(!vdo_cpu_netdata) {
+			getrusage(RUSAGE_THREAD, &thread);
+			getrusage(RUSAGE_SELF, &me);
+
+			if(!stcpu_thread) stcpu_thread = rrdset_find("netdata.plugin_proc_cpu");
+			if(!stcpu_thread) {
+				stcpu_thread = rrdset_create("netdata", "plugin_proc_cpu", NULL, "proc.internal", NULL, "NetData Proc Plugin CPU usage", "milliseconds/s", 131000, rrd_update_every, RRDSET_TYPE_STACKED);
+
+				rrddim_add(stcpu_thread, "user",  NULL,  1, 1000, RRDDIM_INCREMENTAL);
+				rrddim_add(stcpu_thread, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(stcpu_thread);
+
+			rrddim_set(stcpu_thread, "user"  , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
+			rrddim_set(stcpu_thread, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
+			rrdset_done(stcpu_thread);
+
+			// ----------------------------------------------------------------
+
+			if(!stcpu) stcpu = rrdset_find("netdata.server_cpu");
+			if(!stcpu) {
+				stcpu = rrdset_create("netdata", "server_cpu", NULL, "netdata", NULL, "NetData CPU usage", "milliseconds/s", 130000, rrd_update_every, RRDSET_TYPE_STACKED);
+
+				rrddim_add(stcpu, "user",  NULL,  1, 1000, RRDDIM_INCREMENTAL);
+				rrddim_add(stcpu, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(stcpu);
+
+			rrddim_set(stcpu, "user"  , me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec);
+			rrddim_set(stcpu, "system", me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec);
+			rrdset_done(stcpu);
+
+			// ----------------------------------------------------------------
+
+			if(!stclients) stclients = rrdset_find("netdata.clients");
+			if(!stclients) {
+				stclients = rrdset_create("netdata", "clients", NULL, "netdata", NULL, "NetData Web Clients", "connected clients", 131000, rrd_update_every, RRDSET_TYPE_LINE);
+
+				rrddim_add(stclients, "clients",  NULL,  1, 1, RRDDIM_ABSOLUTE);
+			}
+			else rrdset_next(stclients);
+
+			rrddim_set(stclients, "clients", global_statistics.connected_clients);
+			rrdset_done(stclients);
+
+			// ----------------------------------------------------------------
+
+			if(!streqs) streqs = rrdset_find("netdata.requests");
+			if(!streqs) {
+				streqs = rrdset_create("netdata", "requests", NULL, "netdata", NULL, "NetData Web Requests", "requests/s", 131100, rrd_update_every, RRDSET_TYPE_LINE);
+
+				rrddim_add(streqs, "requests",  NULL,  1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(streqs);
+
+			rrddim_set(streqs, "requests", global_statistics.web_requests);
+			rrdset_done(streqs);
+
+			// ----------------------------------------------------------------
+
+			if(!stbytes) stbytes = rrdset_find("netdata.net");
+			if(!stbytes) {
+				stbytes = rrdset_create("netdata", "net", NULL, "netdata", NULL, "NetData Network Traffic", "kilobits/s", 131200, rrd_update_every, RRDSET_TYPE_AREA);
+
+				rrddim_add(stbytes, "in",  NULL,  8, 1024, RRDDIM_INCREMENTAL);
+				rrddim_add(stbytes, "out",  NULL,  -8, 1024, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(stbytes);
+
+			rrddim_set(stbytes, "in", global_statistics.bytes_received);
+			rrddim_set(stbytes, "out", global_statistics.bytes_sent);
+			rrdset_done(stbytes);
+		}
+	}
+
+	pthread_exit(NULL);
+	return NULL;
+}
diff --git a/src/plugin_proc.h b/src/plugin_proc.h
new file mode 100755
index 00000000..28b8c59e
--- /dev/null
+++ b/src/plugin_proc.h
@@ -0,0 +1,22 @@
+#ifndef NETDATA_PLUGIN_PROC_H
+#define NETDATA_PLUGIN_PROC_H 1
+
+void *proc_main(void *ptr);
+
+extern int do_proc_net_dev(int update_every, unsigned long long dt);
+extern int do_proc_diskstats(int update_every, unsigned long long dt);
+extern int do_proc_net_snmp(int update_every, unsigned long long dt);
+extern int do_proc_net_netstat(int update_every, unsigned long long dt);
+extern int do_proc_net_stat_conntrack(int update_every, unsigned long long dt);
+extern int do_proc_net_ip_vs_stats(int update_every, unsigned long long dt);
+extern int do_proc_stat(int update_every, unsigned long long dt);
+extern int do_proc_meminfo(int update_every, unsigned long long dt);
+extern int do_proc_vmstat(int update_every, unsigned long long dt);
+extern int do_proc_net_rpc_nfsd(int update_every, unsigned long long dt);
+extern int do_proc_sys_kernel_random_entropy_avail(int update_every, unsigned long long dt);
+extern int do_proc_interrupts(int update_every, unsigned long long dt);
+extern int do_proc_softirqs(int update_every, unsigned long long dt);
+extern int do_sys_kernel_mm_ksm(int update_every, unsigned long long dt);
+extern int do_proc_loadavg(int update_every, unsigned long long dt);
+
+#endif /* NETDATA_PLUGIN_PROC_H */
diff --git a/src/plugin_tc.c b/src/plugin_tc.c
new file mode 100755
index 00000000..f02b7078
--- /dev/null
+++ b/src/plugin_tc.c
@@ -0,0 +1,737 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/resource.h>
+
+#include "avl.h"
+#include "log.h"
+#include "common.h"
+#include "appconfig.h"
+#include "rrd.h"
+#include "popen.h"
+#include "plugin_tc.h"
+#include "main.h"
+
+#define RRD_TYPE_TC					"tc"
+#define RRD_TYPE_TC_LEN				strlen(RRD_TYPE_TC)
+
+// ----------------------------------------------------------------------------
+// /sbin/tc processor
+// this requires the script plugins.d/tc-qos-helper.sh
+
+#define TC_LINE_MAX 1024
+
+struct tc_class {
+	avl avl;
+
+	char *id;
+	uint32_t hash;
+
+	char *name;
+
+	char *leafid;
+	uint32_t leaf_hash;
+
+	char *parentid;
+	uint32_t parent_hash;
+
+	char hasparent;
+	char isleaf;
+	unsigned long long bytes;
+	unsigned long long packets;
+	unsigned long long dropped;
+	unsigned long long overlimits;
+	unsigned long long requeues;
+	unsigned long long lended;
+	unsigned long long borrowed;
+	unsigned long long giants;
+	unsigned long long tokens;
+	unsigned long long ctokens;
+
+	char updated;	// updated bytes
+	char seen;		// seen in the tc list (even without bytes)
+
+	struct tc_class *next;
+	struct tc_class *prev;
+};
+
+struct tc_device {
+	avl avl;
+
+	char *id;
+	uint32_t hash;
+
+	char *name;
+	char *family;
+
+	avl_tree classes_index;
+
+	struct tc_class *classes;
+
+	struct tc_device *next;
+	struct tc_device *prev;
+};
+
+
+struct tc_device *tc_device_root = NULL;
+
+// ----------------------------------------------------------------------------
+// tc_device index
+
+static int tc_device_iterator(avl *a) { if(a) {}; return 0; }
+
+static int tc_device_compare(void* a, void* b) {
+	if(((struct tc_device *)a)->hash < ((struct tc_device *)b)->hash) return -1;
+	else if(((struct tc_device *)a)->hash > ((struct tc_device *)b)->hash) return 1;
+	else return strcmp(((struct tc_device *)a)->id, ((struct tc_device *)b)->id);
+}
+
+avl_tree tc_device_root_index = {
+		NULL,
+		tc_device_compare,
+#ifdef AVL_LOCK_WITH_MUTEX
+		PTHREAD_MUTEX_INITIALIZER
+#else
+		PTHREAD_RWLOCK_INITIALIZER
+#endif
+};
+
+#define tc_device_index_add(st) avl_insert(&tc_device_root_index, (avl *)(st))
+#define tc_device_index_del(st) avl_remove(&tc_device_root_index, (avl *)(st))
+
+static struct tc_device *tc_device_index_find(const char *id, uint32_t hash) {
+	struct tc_device *result = NULL, tmp;
+	tmp.id = (char *)id;
+	tmp.hash = (hash)?hash:simple_hash(tmp.id);
+
+	avl_search(&(tc_device_root_index), (avl *)&tmp, tc_device_iterator, (avl **)&result);
+	return result;
+}
+
+
+// ----------------------------------------------------------------------------
+// tc_class index
+
+static int tc_class_iterator(avl *a) { if(a) {}; return 0; }
+
+static int tc_class_compare(void* a, void* b) {
+	if(((struct tc_class *)a)->hash < ((struct tc_class *)b)->hash) return -1;
+	else if(((struct tc_class *)a)->hash > ((struct tc_class *)b)->hash) return 1;
+	else return strcmp(((struct tc_class *)a)->id, ((struct tc_class *)b)->id);
+}
+
+#define tc_class_index_add(st, rd) avl_insert(&((st)->classes_index), (avl *)(rd))
+#define tc_class_index_del(st, rd) avl_remove(&((st)->classes_index), (avl *)(rd))
+
+static struct tc_class *tc_class_index_find(struct tc_device *st, const char *id, uint32_t hash) {
+	struct tc_class *result = NULL, tmp;
+	tmp.id = (char *)id;
+	tmp.hash = (hash)?hash:simple_hash(tmp.id);
+
+	avl_search(&(st->classes_index), (avl *)&tmp, tc_class_iterator, (avl **)&result);
+	return result;
+}
+
+// ----------------------------------------------------------------------------
+
+static void tc_class_free(struct tc_device *n, struct tc_class *c) {
+	debug(D_TC_LOOP, "Removing from device '%s' class '%s', parentid '%s', leafid '%s', seen=%d", n->id, c->id, c->parentid?c->parentid:"", c->leafid?c->leafid:"", c->seen);
+
+	if(c->next) c->next->prev = c->prev;
+	if(c->prev) c->prev->next = c->next;
+	if(n->classes == c) {
+		if(c->next) n->classes = c->next;
+		else n->classes = c->prev;
+	}
+
+	tc_class_index_del(n, c);
+
+	if(c->id) free(c->id);
+	if(c->name) free(c->name);
+	if(c->leafid) free(c->leafid);
+	if(c->parentid) free(c->parentid);
+
+	free(c);
+}
+
+static void tc_device_classes_cleanup(struct tc_device *d) {
+	static int cleanup_every = 999;
+
+	if(cleanup_every > 0) {
+		cleanup_every = (int) -config_get_number("plugin:tc", "cleanup unused classes every", 60);
+		if(cleanup_every > 0) cleanup_every = -cleanup_every;
+		if(cleanup_every == 0) cleanup_every = -1;
+	}
+
+	struct tc_class *c = d->classes;
+	while(c) {
+		if(c->seen < cleanup_every) {
+			struct tc_class *nc = c->next;
+			tc_class_free(d, c);
+			c = nc;
+		}
+		else c = c->next;
+
+		if(c) {
+			c->updated = 0;
+			c->seen--;
+		}
+	}
+}
+
+static void tc_device_commit(struct tc_device *d)
+{
+	static int enable_new_interfaces = -1;
+
+	if(enable_new_interfaces == -1)	enable_new_interfaces = config_get_boolean("plugin:tc", "enable new interfaces detected at runtime", 1);
+
+	// we only need to add leaf classes
+	struct tc_class *c, *x;
+
+	// set all classes
+	for(c = d->classes ; c ; c = c->next) {
+		c->isleaf = 1;
+		c->hasparent = 0;
+	}
+
+	// mark the classes as leafs and parents
+	for(c = d->classes ; c ; c = c->next) {
+		if(!c->updated) continue;
+
+		for(x = d->classes ; x ; x = x->next) {
+			if(!x->updated) continue;
+
+			if(c == x) continue;
+
+			if(x->parentid && (
+				(               c->hash      == x->parent_hash && strcmp(c->id,     x->parentid) == 0) ||
+				(c->leafid   && c->leaf_hash == x->parent_hash && strcmp(c->leafid, x->parentid) == 0))) {
+				// debug(D_TC_LOOP, "TC: In device '%s', class '%s' (leafid: '%s') has as leaf class '%s' (parentid: '%s').", d->name?d->name:d->id, c->name?c->name:c->id, c->leafid?c->leafid:c->id, x->name?x->name:x->id, x->parentid?x->parentid:x->id);
+				c->isleaf = 0;
+				x->hasparent = 1;
+			}
+		}
+	}
+
+	// debugging:
+	/*
+	for ( c = d->classes ; c ; c = c->next) {
+		if(c->isleaf && c->hasparent) debug(D_TC_LOOP, "TC: Device %s, class %s, OK", d->name, c->id);
+		else debug(D_TC_LOOP, "TC: Device %s, class %s, IGNORE (isleaf: %d, hasparent: %d, parent: %s)", d->name, c->id, c->isleaf, c->hasparent, c->parentid);
+	}
+	*/
+
+	// we need at least a class
+	for(c = d->classes ; c ; c = c->next) {
+		// debug(D_TC_LOOP, "TC: Device '%s', class '%s', isLeaf=%d, HasParent=%d, Seen=%d", d->name?d->name:d->id, c->name?c->name:c->id, c->isleaf, c->hasparent, c->seen);
+		if(!c->updated) continue;
+		if(c->isleaf && c->hasparent) break;
+	}
+	if(!c) {
+		debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. No leaf classes.", d->name?d->name:d->id);
+		tc_device_classes_cleanup(d);
+		return;
+	}
+
+	char var_name[CONFIG_MAX_NAME + 1];
+	snprintf(var_name, CONFIG_MAX_NAME, "qos for %s", d->id);
+	if(config_get_boolean("plugin:tc", var_name, enable_new_interfaces)) {
+		RRDSET *st = rrdset_find_bytype(RRD_TYPE_TC, d->id);
+		if(!st) {
+			debug(D_TC_LOOP, "TC: Creating new chart for device '%s'", d->name?d->name:d->id);
+
+			st = rrdset_create(RRD_TYPE_TC, d->id, d->name?d->name:d->id, d->family?d->family:d->id, RRD_TYPE_TC ".qos", "Class Usage", "kilobits/s", 7000, rrd_update_every, RRDSET_TYPE_STACKED);
+
+			for(c = d->classes ; c ; c = c->next) {
+				if(!c->updated) continue;
+
+				if(c->isleaf && c->hasparent)
+					rrddim_add(st, c->id, c->name?c->name:c->id, 8, 1024, RRDDIM_INCREMENTAL);
+			}
+		}
+		else {
+			debug(D_TC_LOOP, "TC: Updating chart for device '%s'", d->name?d->name:d->id);
+			rrdset_next_plugins(st);
+
+			if(d->name && strcmp(d->id, d->name) != 0) rrdset_set_name(st, d->name);
+		}
+
+		for(c = d->classes ; c ; c = c->next) {
+			if(!c->updated) continue;
+
+			if(c->isleaf && c->hasparent) {
+				RRDDIM *rd = rrddim_find(st, c->id);
+
+				if(!rd) {
+					debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s'", st->id, c->id, c->name);
+
+					// new class, we have to add it
+					rd = rrddim_add(st, c->id, c->name?c->name:c->id, 8, 1024, RRDDIM_INCREMENTAL);
+				}
+				else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", st->id, c->id);
+
+				rrddim_set_by_pointer(st, rd, c->bytes);
+
+				// if it has a name, different to the id
+				if(c->name) {
+					// update the rrd dimension with the new name
+					debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", st->id, rd->id, c->name);
+					rrddim_set_name(st, rd, c->name);
+
+					free(c->name);
+					c->name = NULL;
+				}
+			}
+		}
+		rrdset_done(st);
+	}
+
+	tc_device_classes_cleanup(d);
+}
+
+static void tc_device_set_class_name(struct tc_device *d, char *id, char *name)
+{
+	struct tc_class *c = tc_class_index_find(d, id, 0);
+	if(c) {
+		if(c->name) free(c->name);
+		c->name = NULL;
+
+		if(name && *name && strcmp(c->id, name) != 0) {
+			debug(D_TC_LOOP, "TC: Setting device '%s', class '%s' name to '%s'", d->id, id, name);
+			c->name = strdup(name);
+		}
+	}
+}
+
+static void tc_device_set_device_name(struct tc_device *d, char *name) {
+	if(d->name) free(d->name);
+	d->name = NULL;
+
+	if(name && *name && strcmp(d->id, name) != 0) {
+		debug(D_TC_LOOP, "TC: Setting device '%s' name to '%s'", d->id, name);
+		d->name = strdup(name);
+	}
+}
+
+static void tc_device_set_device_family(struct tc_device *d, char *family) {
+	if(d->family) free(d->family);
+	d->family = NULL;
+
+	if(family && *family && strcmp(d->id, family) != 0) {
+		debug(D_TC_LOOP, "TC: Setting device '%s' family to '%s'", d->id, family);
+		d->family = strdup(family);
+	}
+	// no need for null termination - it is already null
+}
+
+static struct tc_device *tc_device_create(char *id)
+{
+	struct tc_device *d = tc_device_index_find(id, 0);
+
+	if(!d) {
+		debug(D_TC_LOOP, "TC: Creating device '%s'", id);
+
+		d = calloc(1, sizeof(struct tc_device));
+		if(!d) {
+			fatal("Cannot allocate memory for tc_device %s", id);
+			return NULL;
+		}
+
+		d->id = strdup(id);
+		d->hash = simple_hash(d->id);
+
+		d->classes_index.root = NULL;
+		d->classes_index.compar = tc_class_compare;
+#ifdef AVL_LOCK_WITH_MUTEX
+		pthread_mutex_init(&d->classes_index.mutex, NULL);
+#else
+		pthread_rwlock_init(&d->classes_index.rwlock, NULL);
+#endif
+
+		tc_device_index_add(d);
+
+		if(!tc_device_root) {
+			tc_device_root = d;
+		}
+		else {
+			d->next = tc_device_root;
+			tc_device_root->prev = d;
+			tc_device_root = d;
+		}
+	}
+
+	return(d);
+}
+
+static struct tc_class *tc_class_add(struct tc_device *n, char *id, char *parentid, char *leafid)
+{
+	struct tc_class *c = tc_class_index_find(n, id, 0);
+
+	if(!c) {
+		debug(D_TC_LOOP, "TC: Creating in device '%s', class id '%s', parentid '%s', leafid '%s'", n->id, id, parentid?parentid:"", leafid?leafid:"");
+
+		c = calloc(1, sizeof(struct tc_class));
+		if(!c) {
+			fatal("Cannot allocate memory for tc class");
+			return NULL;
+		}
+
+		if(n->classes) n->classes->prev = c;
+		c->next = n->classes;
+		n->classes = c;
+
+		c->id = strdup(id);
+		if(!c->id) {
+			free(c);
+			return NULL;
+		}
+		c->hash = simple_hash(c->id);
+
+		if(parentid && *parentid) {
+			c->parentid = strdup(parentid);
+			c->parent_hash = simple_hash(c->parentid);
+		}
+
+		if(leafid && *leafid) {
+			c->leafid = strdup(leafid);
+			c->leaf_hash = simple_hash(c->leafid);
+		}
+
+		tc_class_index_add(n, c);
+	}
+
+	c->seen = 1;
+
+	return(c);
+}
+
+static void tc_device_free(struct tc_device *n)
+{
+	if(n->next) n->next->prev = n->prev;
+	if(n->prev) n->prev->next = n->next;
+	if(tc_device_root == n) {
+		if(n->next) tc_device_root = n->next;
+		else tc_device_root = n->prev;
+	}
+
+	tc_device_index_del(n);
+
+	while(n->classes) tc_class_free(n, n->classes);
+
+	if(n->id) free(n->id);
+	if(n->name) free(n->name);
+	if(n->family) free(n->family);
+
+	free(n);
+}
+
+static void tc_device_free_all()
+{
+	while(tc_device_root)
+		tc_device_free(tc_device_root);
+}
+
+#define MAX_WORDS 20
+
+static inline int tc_space(char c) {
+	switch(c) {
+	case ' ':
+	case '\t':
+	case '\r':
+	case '\n':
+		return 1;
+
+	default:
+		return 0;
+	}
+}
+
+static void tc_split_words(char *str, char **words, int max_words) {
+	char *s = str;
+	int i = 0;
+
+	// skip all white space
+	while(tc_space(*s)) s++;
+
+	// store the first word
+	words[i++] = s;
+
+	// while we have something
+	while(*s) {
+		// if it is a space
+		if(tc_space(*s)) {
+
+			// terminate the word
+			*s++ = '\0';
+
+			// skip all white space
+			while(tc_space(*s)) s++;
+
+			// if we reached the end, stop
+			if(!*s) break;
+
+			// store the next word
+			if(i < max_words) words[i++] = s;
+			else break;
+		}
+		else s++;
+	}
+
+	// terminate the words
+	while(i < max_words) words[i++] = NULL;
+}
+
+pid_t tc_child_pid = 0;
+void *tc_main(void *ptr)
+{
+	if(ptr) { ; }
+
+	info("TC thread created with task id %d", gettid());
+
+	if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+		error("Cannot set pthread cancel type to DEFERRED.");
+
+	if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+		error("Cannot set pthread cancel state to ENABLE.");
+
+	struct rusage thread;
+	RRDSET *stcpu = NULL, *sttime = NULL;
+
+	char buffer[TC_LINE_MAX+1] = "";
+	char *words[MAX_WORDS] = { NULL };
+
+	uint32_t BEGIN_HASH = simple_hash("BEGIN");
+	uint32_t END_HASH = simple_hash("END");
+	uint32_t CLASS_HASH = simple_hash("class");
+	uint32_t SENT_HASH = simple_hash("Sent");
+	uint32_t LENDED_HASH = simple_hash("lended:");
+	uint32_t TOKENS_HASH = simple_hash("tokens:");
+	uint32_t SETDEVICENAME_HASH = simple_hash("SETDEVICENAME");
+	uint32_t SETDEVICEGROUP_HASH = simple_hash("SETDEVICEGROUP");
+	uint32_t SETCLASSNAME_HASH = simple_hash("SETCLASSNAME");
+	uint32_t WORKTIME_HASH = simple_hash("WORKTIME");
+#ifdef DETACH_PLUGINS_FROM_NETDATA
+	uint32_t MYPID_HASH = simple_hash("MYPID");
+#endif
+	uint32_t first_hash;
+
+	for(;1;) {
+		if(unlikely(netdata_exit)) break;
+
+		FILE *fp;
+		struct tc_device *device = NULL;
+		struct tc_class *class = NULL;
+
+		snprintf(buffer, TC_LINE_MAX, "exec %s %d", config_get("plugin:tc", "script to run to get tc values", PLUGINS_DIR "/tc-qos-helper.sh"), rrd_update_every);
+		debug(D_TC_LOOP, "executing '%s'", buffer);
+		// fp = popen(buffer, "r");
+		fp = mypopen(buffer, &tc_child_pid);
+		if(!fp) {
+			error("TC: Cannot popen(\"%s\", \"r\").", buffer);
+			pthread_exit(NULL);
+			return NULL;
+		}
+
+		while(fgets(buffer, TC_LINE_MAX, fp) != NULL) {
+			if(unlikely(netdata_exit)) break;
+
+			buffer[TC_LINE_MAX] = '\0';
+			// debug(D_TC_LOOP, "TC: read '%s'", buffer);
+
+			tc_split_words(buffer, words, MAX_WORDS);
+			if(!words[0] || !*words[0]) {
+				// debug(D_TC_LOOP, "empty line");
+				continue;
+			}
+			// else debug(D_TC_LOOP, "First word is '%s'", words[0]);
+
+			first_hash = simple_hash(words[0]);
+
+			if(device && first_hash == CLASS_HASH && strcmp(words[0], "class") == 0) {
+				// debug(D_TC_LOOP, "CLASS line on class id='%s', parent='%s', parentid='%s', leaf='%s', leafid='%s'", words[2], words[3], words[4], words[5], words[6]);
+
+				// clear the last class
+				class = NULL;
+
+				// words[1] : class type
+				// words[2] : N:XX
+				// words[3] : parent or root
+				if(words[1] && words[2] && words[3] && (strcmp(words[3], "parent") == 0 || strcmp(words[3], "root") == 0)) {
+					//char *type     = words[1];  // the class: htb, fq_codel, etc
+
+					// we are only interested for HTB classes
+					//if(strcmp(type, "htb") != 0) continue;
+
+					char *id       = words[2];	// the class major:minor
+					char *parent   = words[3];	// 'parent' or 'root'
+					char *parentid = words[4];	// the parent's id
+					char *leaf     = words[5];	// 'leaf'
+					char *leafid   = words[6];	// leafid
+
+					if(strcmp(parent, "root") == 0) {
+						parentid = NULL;
+						leafid = NULL;
+					}
+					else if(!leaf || strcmp(leaf, "leaf") != 0)
+						leafid = NULL;
+
+					char leafbuf[20 + 1] = "";
+					if(leafid && leafid[strlen(leafid) - 1] == ':') {
+						strncpy(leafbuf, leafid, 20 - 1);
+						strcat(leafbuf, "1");
+						leafid = leafbuf;
+					}
+
+					class = tc_class_add(device, id, parentid, leafid);
+				}
+			}
+			else if(first_hash == END_HASH && strcmp(words[0], "END") == 0) {
+				// debug(D_TC_LOOP, "END line");
+
+				if(device) {
+					if(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL) != 0)
+						error("Cannot set pthread cancel state to DISABLE.");
+
+					tc_device_commit(device);
+					// tc_device_free(device);
+					device = NULL;
+					class = NULL;
+
+					if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+						error("Cannot set pthread cancel state to ENABLE.");
+				}
+			}
+			else if(first_hash == BEGIN_HASH && strcmp(words[0], "BEGIN") == 0) {
+				// debug(D_TC_LOOP, "BEGIN line on device '%s'", words[1]);
+
+				if(device) {
+					// tc_device_free(device);
+					device = NULL;
+					class = NULL;
+				}
+
+				if(words[1] && *words[1]) {
+					device = tc_device_create(words[1]);
+					class = NULL;
+				}
+			}
+			else if(device && class && first_hash == SENT_HASH && strcmp(words[0], "Sent") == 0) {
+				// debug(D_TC_LOOP, "SENT line '%s'", words[1]);
+				if(words[1] && *words[1]) {
+					class->bytes = strtoull(words[1], NULL, 10);
+					class->updated = 1;
+				}
+
+				if(words[3] && *words[3])
+					class->packets = strtoull(words[3], NULL, 10);
+
+				if(words[6] && *words[6])
+					class->dropped = strtoull(words[6], NULL, 10);
+
+				if(words[8] && *words[8])
+					class->overlimits = strtoull(words[8], NULL, 10);
+
+				if(words[10] && *words[10])
+					class->requeues = strtoull(words[8], NULL, 10);
+			}
+			else if(device && class && class->updated && first_hash == LENDED_HASH && strcmp(words[0], "lended:") == 0) {
+				// debug(D_TC_LOOP, "LENDED line '%s'", words[1]);
+				if(words[1] && *words[1])
+					class->lended = strtoull(words[1], NULL, 10);
+
+				if(words[3] && *words[3])
+					class->borrowed = strtoull(words[3], NULL, 10);
+
+				if(words[5] && *words[5])
+					class->giants = strtoull(words[5], NULL, 10);
+			}
+			else if(device && class && class->updated && first_hash == TOKENS_HASH && strcmp(words[0], "tokens:") == 0) {
+				// debug(D_TC_LOOP, "TOKENS line '%s'", words[1]);
+				if(words[1] && *words[1])
+					class->tokens = strtoull(words[1], NULL, 10);
+
+				if(words[3] && *words[3])
+					class->ctokens = strtoull(words[3], NULL, 10);
+			}
+			else if(device && first_hash == SETDEVICENAME_HASH && strcmp(words[0], "SETDEVICENAME") == 0) {
+				// debug(D_TC_LOOP, "SETDEVICENAME line '%s'", words[1]);
+				if(words[1] && *words[1]) tc_device_set_device_name(device, words[1]);
+			}
+			else if(device && first_hash == SETDEVICEGROUP_HASH && strcmp(words[0], "SETDEVICEGROUP") == 0) {
+				// debug(D_TC_LOOP, "SETDEVICEGROUP line '%s'", words[1]);
+				if(words[1] && *words[1]) tc_device_set_device_family(device, words[1]);
+			}
+			else if(device && first_hash == SETCLASSNAME_HASH && strcmp(words[0], "SETCLASSNAME") == 0) {
+				// debug(D_TC_LOOP, "SETCLASSNAME line '%s' '%s'", words[1], words[2]);
+				char *id    = words[1];
+				char *path  = words[2];
+				if(id && *id && path && *path) tc_device_set_class_name(device, id, path);
+			}
+			else if(first_hash == WORKTIME_HASH && strcmp(words[0], "WORKTIME") == 0) {
+				// debug(D_TC_LOOP, "WORKTIME line '%s' '%s'", words[1], words[2]);
+				getrusage(RUSAGE_THREAD, &thread);
+
+				if(!stcpu) stcpu = rrdset_find("netdata.plugin_tc_cpu");
+				if(!stcpu) {
+					stcpu = rrdset_create("netdata", "plugin_tc_cpu", NULL, "tc.helper", NULL, "NetData TC CPU usage", "milliseconds/s", 135000, rrd_update_every, RRDSET_TYPE_STACKED);
+					rrddim_add(stcpu, "user",  NULL,  1, 1000, RRDDIM_INCREMENTAL);
+					rrddim_add(stcpu, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(stcpu);
+
+				rrddim_set(stcpu, "user"  , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
+				rrddim_set(stcpu, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
+				rrdset_done(stcpu);
+
+				if(!sttime) stcpu = rrdset_find("netdata.plugin_tc_time");
+				if(!sttime) {
+					sttime = rrdset_create("netdata", "plugin_tc_time", NULL, "tc.helper", NULL, "NetData TC script execution", "milliseconds/run", 135001, rrd_update_every, RRDSET_TYPE_AREA);
+					rrddim_add(sttime, "run_time",  "run time",  1, 1, RRDDIM_ABSOLUTE);
+				}
+				else rrdset_next(sttime);
+
+				rrddim_set(sttime, "run_time", atoll(words[1]));
+				rrdset_done(sttime);
+
+			}
+#ifdef DETACH_PLUGINS_FROM_NETDATA
+			else if(first_hash == MYPID_HASH && (strcmp(words[0], "MYPID") == 0)) {
+				// debug(D_TC_LOOP, "MYPID line '%s'", words[1]);
+				char *id = words[1];
+				pid_t pid = atol(id);
+
+				if(pid) tc_child_pid = pid;
+
+				debug(D_TC_LOOP, "TC: Child PID is %d.", tc_child_pid);
+			}
+#endif
+			//else {
+			//	debug(D_TC_LOOP, "IGNORED line");
+			//}
+		}
+		mypclose(fp, tc_child_pid);
+		tc_child_pid = 0;
+
+		if(device) {
+			// tc_device_free(device);
+			device = NULL;
+			class = NULL;
+		}
+
+		if(netdata_exit) {
+			tc_device_free_all();
+			pthread_exit(NULL);
+			return NULL;
+		}
+
+		sleep((unsigned int) rrd_update_every);
+	}
+
+	pthread_exit(NULL);
+	return NULL;
+}
+
diff --git a/src/plugin_tc.h b/src/plugin_tc.h
new file mode 100755
index 00000000..c3abbddd
--- /dev/null
+++ b/src/plugin_tc.h
@@ -0,0 +1,8 @@
+#ifndef NETDATA_PLUGIN_TC_H
+#define NETDATA_PLUGIN_TC_H 1
+
+extern pid_t tc_child_pid;
+extern void *tc_main(void *ptr);
+
+#endif /* NETDATA_PLUGIN_TC_H */
+
diff --git a/src/plugins_d.c b/src/plugins_d.c
new file mode 100755
index 00000000..eb8f141b
--- /dev/null
+++ b/src/plugins_d.c
@@ -0,0 +1,532 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <sys/types.h>
+#include <dirent.h>
+#include <pthread.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+
+#include "main.h"
+#include "common.h"
+#include "appconfig.h"
+#include "log.h"
+#include "rrd.h"
+#include "popen.h"
+#include "plugins_d.h"
+
+struct plugind *pluginsd_root = NULL;
+
+#define MAX_WORDS 20
+
+static inline int pluginsd_space(char c) {
+	switch(c) {
+	case ' ':
+	case '\t':
+	case '\r':
+	case '\n':
+	case '=':
+		return 1;
+
+	default:
+		return 0;
+	}
+}
+
+static int pluginsd_split_words(char *str, char **words, int max_words) {
+	char *s = str, quote = 0;
+	int i = 0, j;
+
+	// skip all white space
+	while(unlikely(pluginsd_space(*s))) s++;
+
+	// check for quote
+	if(unlikely(*s == '\'' || *s == '"')) {
+		quote = *s;	// remember the quote
+		s++;		// skip the quote
+	}
+
+	// store the first word
+	words[i++] = s;
+
+	// while we have something
+	while(likely(*s)) {
+		// if it is escape
+		if(unlikely(*s == '\\' && s[1])) {
+			s += 2;
+			continue;
+		}
+
+		// if it is quote
+		else if(unlikely(*s == quote)) {
+			quote = 0;
+			*s = ' ';
+			continue;
+		}
+
+		// if it is a space
+		else if(unlikely(quote == 0 && pluginsd_space(*s))) {
+
+			// terminate the word
+			*s++ = '\0';
+
+			// skip all white space
+			while(likely(pluginsd_space(*s))) s++;
+
+			// check for quote
+			if(unlikely(*s == '\'' || *s == '"')) {
+				quote = *s;	// remember the quote
+				s++;		// skip the quote
+			}
+
+			// if we reached the end, stop
+			if(unlikely(!*s)) break;
+
+			// store the next word
+			if(likely(i < max_words)) words[i++] = s;
+			else break;
+		}
+
+		// anything else
+		else s++;
+	}
+
+	// terminate the words
+	j = i;
+	while(likely(j < max_words)) words[j++] = NULL;
+
+	return i;
+}
+
+
+void *pluginsd_worker_thread(void *arg)
+{
+	struct plugind *cd = (struct plugind *)arg;
+	char line[PLUGINSD_LINE_MAX + 1];
+
+#ifdef DETACH_PLUGINS_FROM_NETDATA
+	unsigned long long usec = 0, susec = 0;
+	struct timeval last = {0, 0} , now = {0, 0};
+#endif
+
+	char *words[MAX_WORDS] = { NULL };
+	uint32_t SET_HASH = simple_hash("SET");
+	uint32_t BEGIN_HASH = simple_hash("BEGIN");
+	uint32_t END_HASH = simple_hash("END");
+	uint32_t FLUSH_HASH = simple_hash("FLUSH");
+	uint32_t CHART_HASH = simple_hash("CHART");
+	uint32_t DIMENSION_HASH = simple_hash("DIMENSION");
+	uint32_t DISABLE_HASH = simple_hash("DISABLE");
+#ifdef DETACH_PLUGINS_FROM_NETDATA
+	uint32_t MYPID_HASH = simple_hash("MYPID");
+	uint32_t STOPPING_WAKE_ME_UP_PLEASE_HASH = simple_hash("STOPPING_WAKE_ME_UP_PLEASE");
+#endif
+
+	while(likely(1)) {
+		if(unlikely(netdata_exit)) break;
+
+		FILE *fp = mypopen(cd->cmd, &cd->pid);
+		if(unlikely(!fp)) {
+			error("Cannot popen(\"%s\", \"r\").", cd->cmd);
+			break;
+		}
+
+		info("PLUGINSD: '%s' running on pid %d", cd->fullfilename, cd->pid);
+
+		RRDSET *st = NULL;
+		unsigned long long count = 0;
+		char *s;
+		uint32_t hash;
+
+		while(likely(fgets(line, PLUGINSD_LINE_MAX, fp) != NULL)) {
+			if(unlikely(netdata_exit)) break;
+
+			line[PLUGINSD_LINE_MAX] = '\0';
+
+			// debug(D_PLUGINSD, "PLUGINSD: %s: %s", cd->filename, line);
+
+			int w = pluginsd_split_words(line, words, MAX_WORDS);
+			s = words[0];
+			if(unlikely(!s || !*s || !w)) {
+				// debug(D_PLUGINSD, "PLUGINSD: empty line");
+				continue;
+			}
+
+			// debug(D_PLUGINSD, "PLUGINSD: words 0='%s' 1='%s' 2='%s' 3='%s' 4='%s' 5='%s' 6='%s' 7='%s' 8='%s' 9='%s'", words[0], words[1], words[2], words[3], words[4], words[5], words[6], words[7], words[8], words[9]);
+
+			hash = simple_hash(s);
+
+			if(likely(hash == SET_HASH && !strcmp(s, "SET"))) {
+				char *dimension = words[1];
+				char *value = words[2];
+
+				if(unlikely(!dimension || !*dimension)) {
+					error("PLUGINSD: '%s' is requesting a SET on chart '%s', without a dimension. Disabling it.", cd->fullfilename, st->id);
+					cd->enabled = 0;
+					killpid(cd->pid, SIGTERM);
+					break;
+				}
+
+				if(unlikely(!value || !*value)) value = NULL;
+
+				if(unlikely(!st)) {
+					error("PLUGINSD: '%s' is requesting a SET on dimension %s with value %s, without a BEGIN. Disabling it.", cd->fullfilename, dimension, value?value:"<nothing>");
+					cd->enabled = 0;
+					killpid(cd->pid, SIGTERM);
+					break;
+				}
+
+				if(unlikely(st->debug)) debug(D_PLUGINSD, "PLUGINSD: '%s' is setting dimension %s/%s to %s", cd->fullfilename, st->id, dimension, value?value:"<nothing>");
+
+				if(value) rrddim_set(st, dimension, atoll(value));
+
+				count++;
+			}
+			else if(likely(hash == BEGIN_HASH && !strcmp(s, "BEGIN"))) {
+				char *id = words[1];
+				char *microseconds_txt = words[2];
+
+				if(unlikely(!id)) {
+					error("PLUGINSD: '%s' is requesting a BEGIN without a chart id. Disabling it.", cd->fullfilename);
+					cd->enabled = 0;
+					killpid(cd->pid, SIGTERM);
+					break;
+				}
+
+				st = rrdset_find(id);
+				if(unlikely(!st)) {
+					error("PLUGINSD: '%s' is requesting a BEGIN on chart '%s', which does not exist. Disabling it.", cd->fullfilename, id);
+					cd->enabled = 0;
+					killpid(cd->pid, SIGTERM);
+					break;
+				}
+
+				if(likely(st->counter_done)) {
+					unsigned long long microseconds = 0;
+					if(microseconds_txt && *microseconds_txt) microseconds = strtoull(microseconds_txt, NULL, 10);
+					if(microseconds) rrdset_next_usec(st, microseconds);
+					else rrdset_next_plugins(st);
+				}
+			}
+			else if(likely(hash == END_HASH && !strcmp(s, "END"))) {
+				if(unlikely(!st)) {
+					error("PLUGINSD: '%s' is requesting an END, without a BEGIN. Disabling it.", cd->fullfilename);
+					cd->enabled = 0;
+					killpid(cd->pid, SIGTERM);
+					break;
+				}
+
+				if(unlikely(st->debug)) debug(D_PLUGINSD, "PLUGINSD: '%s' is requesting a END on chart %s", cd->fullfilename, st->id);
+
+				rrdset_done(st);
+				st = NULL;
+			}
+			else if(likely(hash == FLUSH_HASH && !strcmp(s, "FLUSH"))) {
+				debug(D_PLUGINSD, "PLUGINSD: '%s' is requesting a FLUSH", cd->fullfilename);
+				st = NULL;
+			}
+			else if(likely(hash == CHART_HASH && !strcmp(s, "CHART"))) {
+				int noname = 0;
+				st = NULL;
+
+				if((words[1]) != NULL && (words[2]) != NULL && strcmp(words[1], words[2]) == 0)
+					noname = 1;
+
+				char *type = words[1];
+				char *id = NULL;
+				if(likely(type)) {
+					id = strchr(type, '.');
+					if(likely(id)) { *id = '\0'; id++; }
+				}
+				char *name = words[2];
+				char *title = words[3];
+				char *units = words[4];
+				char *family = words[5];
+				char *context = words[6];
+				char *chart = words[7];
+				char *priority_s = words[8];
+				char *update_every_s = words[9];
+
+				if(unlikely(!type || !*type || !id || !*id)) {
+					error("PLUGINSD: '%s' is requesting a CHART, without a type.id. Disabling it.", cd->fullfilename);
+					cd->enabled = 0;
+					killpid(cd->pid, SIGTERM);
+					break;
+				}
+
+				int priority = 1000;
+				if(likely(priority_s)) priority = atoi(priority_s);
+
+				int update_every = cd->update_every;
+				if(likely(update_every_s)) update_every = atoi(update_every_s);
+				if(unlikely(!update_every)) update_every = cd->update_every;
+
+				int chart_type = RRDSET_TYPE_LINE;
+				if(unlikely(chart)) chart_type = rrdset_type_id(chart);
+
+				if(unlikely(noname || !name || !*name || strcasecmp(name, "NULL") == 0 || strcasecmp(name, "(NULL)") == 0)) name = NULL;
+				if(unlikely(!family || !*family)) family = NULL;
+				if(unlikely(!context || !*context)) context = NULL;
+
+				st = rrdset_find_bytype(type, id);
+				if(unlikely(!st)) {
+					debug(D_PLUGINSD, "PLUGINSD: Creating chart type='%s', id='%s', name='%s', family='%s', context='%s', chart='%s', priority=%d, update_every=%d"
+						, type, id
+						, name?name:""
+						, family?family:""
+						, context?context:""
+						, rrdset_type_name(chart_type)
+						, priority
+						, update_every
+						);
+
+					st = rrdset_create(type, id, name, family, context, title, units, priority, update_every, chart_type);
+					cd->update_every = update_every;
+				}
+				else debug(D_PLUGINSD, "PLUGINSD: Chart '%s' already exists. Not adding it again.", st->id);
+			}
+			else if(likely(hash == DIMENSION_HASH && !strcmp(s, "DIMENSION"))) {
+				char *id = words[1];
+				char *name = words[2];
+				char *algorithm = words[3];
+				char *multiplier_s = words[4];
+				char *divisor_s = words[5];
+				char *options = words[6];
+
+				if(unlikely(!id || !*id)) {
+					error("PLUGINSD: '%s' is requesting a DIMENSION, without an id. Disabling it.", cd->fullfilename);
+					cd->enabled = 0;
+					killpid(cd->pid, SIGTERM);
+					break;
+				}
+
+				if(unlikely(!st)) {
+					error("PLUGINSD: '%s' is requesting a DIMENSION, without a CHART. Disabling it.", cd->fullfilename);
+					cd->enabled = 0;
+					killpid(cd->pid, SIGTERM);
+					break;
+				}
+
+				long multiplier = 1;
+				if(multiplier_s && *multiplier_s) multiplier = atol(multiplier_s);
+				if(unlikely(!multiplier)) multiplier = 1;
+
+				long divisor = 1;
+				if(likely(divisor_s && *divisor_s)) divisor = atol(divisor_s);
+				if(unlikely(!divisor)) divisor = 1;
+
+				if(unlikely(!algorithm || !*algorithm)) algorithm = "absolute";
+
+				if(unlikely(st->debug)) debug(D_PLUGINSD, "PLUGINSD: Creating dimension in chart %s, id='%s', name='%s', algorithm='%s', multiplier=%ld, divisor=%ld, hidden='%s'"
+					, st->id
+					, id
+					, name?name:""
+					, rrddim_algorithm_name(rrddim_algorithm_id(algorithm))
+					, multiplier
+					, divisor
+					, options?options:""
+					);
+
+				RRDDIM *rd = rrddim_find(st, id);
+				if(unlikely(!rd)) {
+					rd = rrddim_add(st, id, name, multiplier, divisor, rrddim_algorithm_id(algorithm));
+					rd->flags = 0x00000000;
+					if(options && *options) {
+						if(strstr(options, "hidden") != NULL) rd->flags |= RRDDIM_FLAG_HIDDEN;
+						if(strstr(options, "noreset") != NULL) rd->flags |= RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS;
+						if(strstr(options, "nooverflow") != NULL) rd->flags |= RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS;
+					}
+				}
+				else if(unlikely(st->debug)) debug(D_PLUGINSD, "PLUGINSD: dimension %s/%s already exists. Not adding it again.", st->id, id);
+			}
+			else if(unlikely(hash == DISABLE_HASH && !strcmp(s, "DISABLE"))) {
+				error("PLUGINSD: '%s' called DISABLE. Disabling it.", cd->fullfilename);
+				cd->enabled = 0;
+				killpid(cd->pid, SIGTERM);
+				break;
+			}
+#ifdef DETACH_PLUGINS_FROM_NETDATA
+			else if(likely(hash == MYPID_HASH && !strcmp(s, "MYPID"))) {
+				char *pid_s = words[1];
+				pid_t pid = atol(pid_s);
+
+				if(likely(pid)) cd->pid = pid;
+				debug(D_PLUGINSD, "PLUGINSD: %s is on pid %d", cd->id, cd->pid);
+			}
+			else if(likely(hash == STOPPING_WAKE_ME_UP_PLEASE_HASH && !strcmp(s, "STOPPING_WAKE_ME_UP_PLEASE"))) {
+				error("PLUGINSD: '%s' (pid %d) called STOPPING_WAKE_ME_UP_PLEASE.", cd->fullfilename, cd->pid);
+
+				gettimeofday(&now, NULL);
+				if(unlikely(!usec && !susec)) {
+					// our first run
+					susec = cd->rrd_update_every * 1000000ULL;
+				}
+				else {
+					// second+ run
+					usec = usecdiff(&now, &last) - susec;
+					error("PLUGINSD: %s last loop took %llu usec (worked for %llu, sleeped for %llu).\n", cd->fullfilename, usec + susec, usec, susec);
+					if(unlikely(usec < (rrd_update_every * 1000000ULL / 2ULL))) susec = (rrd_update_every * 1000000ULL) - usec;
+					else susec = rrd_update_every * 1000000ULL / 2ULL;
+				}
+
+				error("PLUGINSD: %s sleeping for %llu. Will kill with SIGCONT pid %d to wake it up.\n", cd->fullfilename, susec, cd->pid);
+				usleep(susec);
+				killpid(cd->pid, SIGCONT);
+				bcopy(&now, &last, sizeof(struct timeval));
+				break;
+			}
+#endif
+			else {
+				error("PLUGINSD: '%s' is sending command '%s' which is not known by netdata. Disabling it.", cd->fullfilename, s);
+				cd->enabled = 0;
+				killpid(cd->pid, SIGTERM);
+				break;
+			}
+		}
+
+		info("PLUGINSD: '%s' on pid %d stopped.", cd->fullfilename, cd->pid);
+
+		// fgets() failed or loop broke
+		int code = mypclose(fp, cd->pid);
+		if(code == 1 || code == 127) {
+			// 1 = DISABLE
+			// 127 = cannot even run it
+			error("PLUGINSD: '%s' (pid %d) exited with code %d. Disabling it.", cd->fullfilename, cd->pid, code);
+			cd->enabled = 0;
+		}
+
+		if(netdata_exit) {
+			cd->pid = 0;
+			cd->enabled = 0;
+			cd->obsolete = 1;
+			pthread_exit(NULL);
+			return NULL;
+		}
+
+		if(unlikely(!count && cd->enabled)) {
+			error("PLUGINSD: '%s' (pid %d) does not generate usefull output. Waiting a bit before starting it again.", cd->fullfilename, cd->pid);
+			sleep((unsigned int) (cd->update_every * 10));
+		}
+
+		cd->pid = 0;
+		if(likely(cd->enabled)) sleep((unsigned int) cd->update_every);
+		else break;
+	}
+
+	cd->obsolete = 1;
+	pthread_exit(NULL);
+	return NULL;
+}
+
+void *pluginsd_main(void *ptr)
+{
+	if(ptr) { ; }
+
+	info("PLUGINS.D thread created with task id %d", gettid());
+
+	if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+		error("Cannot set pthread cancel type to DEFERRED.");
+
+	if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+		error("Cannot set pthread cancel state to ENABLE.");
+
+	char *dir_name = config_get("plugins", "plugins directory", PLUGINS_DIR);
+	int automatic_run = config_get_boolean("plugins", "enable running new plugins", 1);
+	int scan_frequency = (int) config_get_number("plugins", "check for new plugins every", 60);
+	DIR *dir = NULL;
+	struct dirent *file = NULL;
+	struct plugind *cd;
+
+	// enable the apps plugin by default
+	// config_get_boolean("plugins", "apps", 1);
+
+	if(scan_frequency < 1) scan_frequency = 1;
+
+	while(likely(1)) {
+		if(unlikely(netdata_exit)) break;
+
+		dir = opendir(dir_name);
+		if(unlikely(!dir)) {
+			error("Cannot open directory '%s'.", dir_name);
+			pthread_exit(NULL);
+			return NULL;
+		}
+
+		while(likely((file = readdir(dir)))) {
+			if(unlikely(netdata_exit)) break;
+
+			debug(D_PLUGINSD, "PLUGINSD: Examining file '%s'", file->d_name);
+
+			if(unlikely(strcmp(file->d_name, ".") == 0 || strcmp(file->d_name, "..") == 0)) continue;
+
+			int len = (int) strlen(file->d_name);
+			if(unlikely(len <= (int)PLUGINSD_FILE_SUFFIX_LEN)) continue;
+			if(unlikely(strcmp(PLUGINSD_FILE_SUFFIX, &file->d_name[len - (int)PLUGINSD_FILE_SUFFIX_LEN]) != 0)) {
+				debug(D_PLUGINSD, "PLUGINSD: File '%s' does not end in '%s'.", file->d_name, PLUGINSD_FILE_SUFFIX);
+				continue;
+			}
+
+			char pluginname[CONFIG_MAX_NAME + 1];
+			snprintf(pluginname, CONFIG_MAX_NAME, "%.*s", (int)(len - PLUGINSD_FILE_SUFFIX_LEN), file->d_name);
+			int enabled = config_get_boolean("plugins", pluginname, automatic_run);
+
+			if(unlikely(!enabled)) {
+				debug(D_PLUGINSD, "PLUGINSD: plugin '%s' is not enabled", file->d_name);
+				continue;
+			}
+
+			// check if it runs already
+			for(cd = pluginsd_root ; likely(cd) ; cd = cd->next) {
+				if(unlikely(strcmp(cd->filename, file->d_name) == 0)) break;
+			}
+			if(likely(cd && !cd->obsolete)) {
+				debug(D_PLUGINSD, "PLUGINSD: plugin '%s' is already running", cd->filename);
+				continue;
+			}
+
+			// it is not running
+			// allocate a new one, or use the obsolete one
+			if(unlikely(!cd)) {
+				cd = calloc(sizeof(struct plugind), 1);
+				if(unlikely(!cd)) fatal("Cannot allocate memory for plugin.");
+
+				snprintf(cd->id, CONFIG_MAX_NAME, "plugin:%s", pluginname);
+
+				strncpy(cd->filename, file->d_name, FILENAME_MAX);
+				snprintf(cd->fullfilename, FILENAME_MAX, "%s/%s", dir_name, cd->filename);
+
+				cd->enabled = enabled;
+				cd->update_every = (int) config_get_number(cd->id, "update every", rrd_update_every);
+				cd->started_t = time(NULL);
+
+				char *def = "";
+				snprintf(cd->cmd, PLUGINSD_CMD_MAX, "exec %s %d %s", cd->fullfilename, cd->update_every, config_get(cd->id, "command options", def));
+
+				// link it
+				if(likely(pluginsd_root)) cd->next = pluginsd_root;
+				pluginsd_root = cd;
+			}
+			cd->obsolete = 0;
+
+			if(unlikely(!cd->enabled)) continue;
+
+			// spawn a new thread for it
+			if(unlikely(pthread_create(&cd->thread, NULL, pluginsd_worker_thread, cd) != 0)) {
+				error("PLUGINSD: failed to create new thread for plugin '%s'.", cd->filename);
+				cd->obsolete = 1;
+			}
+			else if(unlikely(pthread_detach(cd->thread) != 0))
+				error("PLUGINSD: Cannot request detach of newly created thread for plugin '%s'.", cd->filename);
+		}
+
+		closedir(dir);
+		sleep((unsigned int) scan_frequency);
+	}
+
+	pthread_exit(NULL);
+	return NULL;
+}
+
+
diff --git a/src/plugins_d.h b/src/plugins_d.h
new file mode 100755
index 00000000..11e89e0a
--- /dev/null
+++ b/src/plugins_d.h
@@ -0,0 +1,36 @@
+#include <sys/types.h>
+#include <unistd.h>
+
+
+#ifndef NETDATA_PLUGINS_D_H
+#define NETDATA_PLUGINS_D_H 1
+
+#define PLUGINSD_FILE_SUFFIX ".plugin"
+#define PLUGINSD_FILE_SUFFIX_LEN strlen(PLUGINSD_FILE_SUFFIX)
+#define PLUGINSD_CMD_MAX (FILENAME_MAX*2)
+#define PLUGINSD_LINE_MAX 1024
+
+struct plugind {
+	char id[CONFIG_MAX_NAME+1];			// config node id
+
+	char filename[FILENAME_MAX+1];		// just the filename
+	char fullfilename[FILENAME_MAX+1];	// with path
+	char cmd[PLUGINSD_CMD_MAX+1];		// the command that is executes
+
+	pid_t pid;
+	pthread_t thread;
+
+	int update_every;
+	int obsolete;
+	int enabled;
+
+	time_t started_t;
+
+	struct plugind *next;
+};
+
+extern struct plugind *pluginsd_root;
+
+extern void *pluginsd_main(void *ptr);
+
+#endif /* NETDATA_PLUGINS_D_H */
diff --git a/src/popen.c b/src/popen.c
new file mode 100755
index 00000000..882a4cc5
--- /dev/null
+++ b/src/popen.c
@@ -0,0 +1,171 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <signal.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "log.h"
+#include "popen.h"
+#include "common.h"
+
+/*
+struct mypopen {
+	pid_t pid;
+	FILE *fp;
+	struct mypopen *next;
+	struct mypopen *prev;
+};
+
+static struct mypopen *mypopen_root = NULL;
+
+static void mypopen_add(FILE *fp, pid_t *pid) {
+	struct mypopen *mp = malloc(sizeof(struct mypopen));
+	if(!mp) {
+		fatal("Cannot allocate %zu bytes", sizeof(struct mypopen))
+		return;
+	}
+
+	mp->fp = fp;
+	mp->pid = pid;
+	mp->next = popen_root;
+	mp->prev = NULL;
+	if(mypopen_root) mypopen_root->prev = mp;
+	mypopen_root = mp;
+}
+
+static void mypopen_del(FILE *fp) {
+	struct mypopen *mp;
+
+	for(mp = mypopen_root; mp; mp = mp->next)
+		if(mp->fd == fp) break;
+
+	if(!mp) error("Cannot find mypopen() file pointer in open childs.");
+	else {
+		if(mp->next) mp->next->prev = mp->prev;
+		if(mp->prev) mp->prev->next = mp->next;
+		if(mypopen_root == mp) mypopen_root = mp->next;
+		free(mp);
+	}
+}
+*/
+#define PIPE_READ 0
+#define PIPE_WRITE 1
+
+FILE *mypopen(const char *command, pid_t *pidptr)
+{
+	int pipefd[2];
+
+	if(pipe(pipefd) == -1) return NULL;
+
+	int pid = fork();
+	if(pid == -1) {
+		close(pipefd[PIPE_READ]);
+		close(pipefd[PIPE_WRITE]);
+		return NULL;
+	}
+	if(pid != 0) {
+		// the parent
+		*pidptr = pid;
+		close(pipefd[PIPE_WRITE]);
+		FILE *fp = fdopen(pipefd[PIPE_READ], "r");
+		/*mypopen_add(fp, pid);*/
+		return(fp);
+	}
+	// the child
+
+	// close all files
+	int i;
+	for(i = (int) (sysconf(_SC_OPEN_MAX) - 1); i > 0; i--)
+		if(i != STDIN_FILENO && i != STDERR_FILENO && i != pipefd[PIPE_WRITE]) close(i);
+
+	// move the pipe to stdout
+	if(pipefd[PIPE_WRITE] != STDOUT_FILENO) {
+		dup2(pipefd[PIPE_WRITE], STDOUT_FILENO);
+		close(pipefd[PIPE_WRITE]);
+	}
+
+#ifdef DETACH_PLUGINS_FROM_NETDATA
+	// this was an attempt to detach the child and use the suspend mode charts.d
+	// unfortunatelly it does not work as expected.
+
+	// fork again to become session leader
+	pid = fork();
+	if(pid == -1) fprintf(stderr, "Cannot fork again on pid %d\n", getpid());
+	if(pid != 0) {
+		// the parent
+		exit(0);
+	}
+
+	// set a new process group id for just this child
+	if( setpgid(0, 0) != 0 )
+		error("Cannot set a new process group for pid %d (%s)", getpid(), strerror(errno));
+
+	if( getpgid(0) != getpid() )
+		error("Process group set is incorrect. Expected %d, found %d", getpid(), getpgid(0));
+
+	if( setsid() != 0 )
+		error("Cannot set session id for pid %d (%s)", getpid(), strerror(errno));
+
+	fprintf(stdout, "MYPID %d\n", getpid());
+	fflush(NULL);
+#endif
+
+	// reset all signals
+	for (i = 1 ; i < 65 ;i++) if(i != SIGSEGV) signal(i, SIG_DFL);
+
+	info("executing command: '%s' on pid %d.", command, getpid());
+ 	execl("/bin/sh", "sh", "-c", command, NULL);
+	exit(1);
+}
+
+int mypclose(FILE *fp, pid_t pid) {
+	debug(D_EXIT, "Request to mypclose() on pid %d", pid);
+
+	/*mypopen_del(fp);*/
+	fclose(fp);
+
+	siginfo_t info;
+	if(waitid(P_PID, (id_t) pid, &info, WEXITED) != -1) {
+		switch(info.si_code) {
+			case CLD_EXITED:
+				error("pid %d exited with code %d.", info.si_pid, info.si_status);
+				return(info.si_status);
+				break;
+
+			case CLD_KILLED:
+				error("pid %d killed by signal %d.", info.si_pid, info.si_status);
+				return(-1);
+				break;
+
+			case CLD_DUMPED:
+				error("pid %d core dumped by signal %d.", info.si_pid, info.si_status);
+				return(-2);
+				break;
+
+			case CLD_STOPPED:
+				error("pid %d stopped by signal %d.", info.si_pid, info.si_status);
+				return(0);
+				break;
+
+			case CLD_TRAPPED:
+				error("pid %d trapped by signal %d.", info.si_pid, info.si_status);
+				return(-4);
+				break;
+
+			case CLD_CONTINUED:
+				error("pid %d continued by signal %d.", info.si_pid, info.si_status);
+				return(0);
+				break;
+
+			default:
+				error("pid %d gave us a SIGCHLD with code %d and status %d.", info.si_pid, info.si_code, info.si_status);
+				return(-5);
+				break;
+		}
+	}
+	else error("Cannot waitid() for pid %d", pid);
+	return 0;
+}
diff --git a/src/popen.h b/src/popen.h
new file mode 100755
index 00000000..10680f0c
--- /dev/null
+++ b/src/popen.h
@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#ifndef NETDATA_POPEN_H
+#define NETDATA_POPEN_H 1
+
+#define PIPE_READ 0
+#define PIPE_WRITE 1
+
+extern FILE *mypopen(const char *command, pid_t *pidptr);
+extern int mypclose(FILE *fp, pid_t pid);
+
+#endif /* NETDATA_POPEN_H */
diff --git a/src/proc_diskstats.c b/src/proc_diskstats.c
new file mode 100755
index 00000000..f404118f
--- /dev/null
+++ b/src/proc_diskstats.c
@@ -0,0 +1,470 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+#define RRD_TYPE_DISK "disk"
+
+int do_proc_diskstats(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static char path_to_get_hw_sector_size[FILENAME_MAX + 1] = "";
+	static int enable_new_disks = -1;
+	static int do_io = -1, do_ops = -1, do_mops = -1, do_iotime = -1, do_qops = -1, do_util = -1, do_backlog = -1;
+
+	if(enable_new_disks == -1)	enable_new_disks = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "enable new disks detected at runtime", CONFIG_ONDEMAND_ONDEMAND);
+
+	if(do_io == -1)		do_io 		= config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "bandwidth for all disks", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_ops == -1)	do_ops 		= config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "operations for all disks", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_mops == -1)	do_mops 	= config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "merged operations for all disks", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_iotime == -1)	do_iotime 	= config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "i/o time for all disks", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_qops == -1)	do_qops 	= config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "queued operations for all disks", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_util == -1)	do_util 	= config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "utilization percentage for all disks", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_backlog == -1)do_backlog 	= config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "backlog for all disks", CONFIG_ONDEMAND_ONDEMAND);
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/diskstats");
+		ff = procfile_open(config_get("plugin:proc:/proc/diskstats", "filename to monitor", filename), " \t", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	if(!path_to_get_hw_sector_size[0]) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/block/%s/queue/hw_sector_size");
+		snprintf(path_to_get_hw_sector_size, FILENAME_MAX, "%s%s", global_host_prefix, config_get("plugin:proc:/proc/diskstats", "path to get h/w sector size", filename));
+	}
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	for(l = 0; l < lines ;l++) {
+		char *disk;
+		unsigned long long 	major = 0, minor = 0,
+							reads = 0,  mreads = 0,  readsectors = 0,  readms = 0,
+							writes = 0, mwrites = 0, writesectors = 0, writems = 0,
+							queued_ios = 0, busy_ms = 0, backlog_ms = 0;
+
+		unsigned long long 	last_reads = 0,  last_readsectors = 0,  last_readms = 0,
+							last_writes = 0, last_writesectors = 0, last_writems = 0,
+							last_busy_ms = 0;
+
+		words = procfile_linewords(ff, l);
+		if(words < 14) continue;
+
+		major 			= strtoull(procfile_lineword(ff, l, 0), NULL, 10);
+		minor 			= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+		disk 			= procfile_lineword(ff, l, 2);
+
+		// # of reads completed # of writes completed
+		// This is the total number of reads or writes completed successfully.
+		reads 			= strtoull(procfile_lineword(ff, l, 3), NULL, 10); 	// rd_ios
+		writes 			= strtoull(procfile_lineword(ff, l, 7), NULL, 10); 	// wr_ios
+
+		// # of reads merged # of writes merged
+		// Reads and writes which are adjacent to each other may be merged for
+	    // efficiency.  Thus two 4K reads may become one 8K read before it is
+	    // ultimately handed to the disk, and so it will be counted (and queued)
+		mreads		 	= strtoull(procfile_lineword(ff, l, 4), NULL, 10); 	// rd_merges_or_rd_sec
+		mwrites 		= strtoull(procfile_lineword(ff, l, 8), NULL, 10); 	// wr_merges
+
+		// # of sectors read # of sectors written
+		// This is the total number of sectors read or written successfully.
+		readsectors 	= strtoull(procfile_lineword(ff, l, 5), NULL, 10); 	// rd_sec_or_wr_ios
+		writesectors 	= strtoull(procfile_lineword(ff, l, 9), NULL, 10); 	// wr_sec
+
+		// # of milliseconds spent reading # of milliseconds spent writing
+		// This is the total number of milliseconds spent by all reads or writes (as
+		// measured from __make_request() to end_that_request_last()).
+		readms 			= strtoull(procfile_lineword(ff, l, 6), NULL, 10); 	// rd_ticks_or_wr_sec
+		writems 		= strtoull(procfile_lineword(ff, l, 10), NULL, 10);	// wr_ticks
+
+		// # of I/Os currently in progress
+		// The only field that should go to zero. Incremented as requests are
+		// given to appropriate struct request_queue and decremented as they finish.
+		queued_ios 		= strtoull(procfile_lineword(ff, l, 11), NULL, 10);	// ios_pgr
+
+		// # of milliseconds spent doing I/Os
+		// This field increases so long as field queued_ios is nonzero.
+		busy_ms 		= strtoull(procfile_lineword(ff, l, 12), NULL, 10);	// tot_ticks
+
+		// weighted # of milliseconds spent doing I/Os
+		// This field is incremented at each I/O start, I/O completion, I/O
+		// merge, or read of these stats by the number of I/Os in progress
+		// (field queued_ios) times the number of milliseconds spent doing I/O since the
+		// last update of this field.  This can provide an easy measure of both
+		// I/O completion time and the backlog that may be accumulating.
+		backlog_ms 		= strtoull(procfile_lineword(ff, l, 13), NULL, 10);	// rq_ticks
+
+
+		int def_enabled = 0;
+
+		// remove slashes from disk names
+		char *s;
+		for(s = disk; *s ;s++) if(*s == '/') *s = '_';
+
+		switch(major) {
+			case 9: // MDs
+			case 43: // network block
+			case 144: // nfs
+			case 145: // nfs
+			case 146: // nfs
+			case 199: // veritas
+			case 201: // veritas
+			case 251: // dm
+				def_enabled = enable_new_disks;
+				break;
+
+			case 48: // RAID
+			case 49: // RAID
+			case 50: // RAID
+			case 51: // RAID
+			case 52: // RAID
+			case 53: // RAID
+			case 54: // RAID
+			case 55: // RAID
+			case 112: // RAID
+			case 136: // RAID
+			case 137: // RAID
+			case 138: // RAID
+			case 139: // RAID
+			case 140: // RAID
+			case 141: // RAID
+			case 142: // RAID
+			case 143: // RAID
+			case 179: // MMC
+			case 180: // USB
+				if(minor % 8) def_enabled = 0; // partitions
+				else def_enabled = enable_new_disks;
+				break;
+
+			case 8: // scsi disks
+			case 65: // scsi disks
+			case 66: // scsi disks
+			case 67: // scsi disks
+			case 68: // scsi disks
+			case 69: // scsi disks
+			case 70: // scsi disks
+			case 71: // scsi disks
+			case 72: // scsi disks
+			case 73: // scsi disks
+			case 74: // scsi disks
+			case 75: // scsi disks
+			case 76: // scsi disks
+			case 77: // scsi disks
+			case 78: // scsi disks
+			case 79: // scsi disks
+			case 80: // i2o
+			case 81: // i2o
+			case 82: // i2o
+			case 83: // i2o
+			case 84: // i2o
+			case 85: // i2o
+			case 86: // i2o
+			case 87: // i2o
+			case 101: // hyperdisk
+			case 102: // compressed
+			case 104: // scsi
+			case 105: // scsi
+			case 106: // scsi
+			case 107: // scsi
+			case 108: // scsi
+			case 109: // scsi
+			case 110: // scsi
+			case 111: // scsi
+			case 114: // bios raid
+			case 116: // ram board
+			case 128: // scsi
+			case 129: // scsi
+			case 130: // scsi
+			case 131: // scsi
+			case 132: // scsi
+			case 133: // scsi
+			case 134: // scsi
+			case 135: // scsi
+			case 153: // raid
+			case 202: // xen
+			case 256: // flash
+			case 257: // flash
+				if(minor % 16) def_enabled = 0; // partitions
+				else def_enabled = enable_new_disks;
+				break;
+
+			case 160: // raid
+			case 161: // raid
+				if(minor % 32) def_enabled = 0; // partitions
+				else def_enabled = enable_new_disks;
+				break;
+
+			case 3: // ide
+			case 13: // 8bit ide
+			case 22: // ide
+			case 33: // ide
+			case 34: // ide
+			case 56: // ide
+			case 57: // ide
+			case 88: // ide
+			case 89: // ide
+			case 90: // ide
+			case 91: // ide
+				if(minor % 64) def_enabled = 0; // partitions
+				else def_enabled = enable_new_disks;
+				break;
+
+			case 252: // zram
+				def_enabled = 0;
+				break;
+
+			default:
+				def_enabled = 0;
+				break;
+		}
+
+		int ddo_io = do_io, ddo_ops = do_ops, ddo_mops = do_mops, ddo_iotime = do_iotime, ddo_qops = do_qops, ddo_util = do_util, ddo_backlog = do_backlog;
+
+		// check which charts are enabled for this disk
+		{
+			char var_name[4096 + 1];
+			snprintf(var_name, 4096, "plugin:proc:/proc/diskstats:%s", disk);
+			def_enabled = config_get_boolean_ondemand(var_name, "enabled", def_enabled);
+			if(def_enabled == CONFIG_ONDEMAND_NO) continue;
+			if(def_enabled == CONFIG_ONDEMAND_ONDEMAND && !reads && !writes) continue;
+
+
+			ddo_io 		= config_get_boolean_ondemand(var_name, "bandwidth", ddo_io);
+			ddo_ops 	= config_get_boolean_ondemand(var_name, "operations", ddo_ops);
+			ddo_mops 	= config_get_boolean_ondemand(var_name, "merged operations", ddo_mops);
+			ddo_iotime 	= config_get_boolean_ondemand(var_name, "i/o time", ddo_iotime);
+			ddo_qops 	= config_get_boolean_ondemand(var_name, "queued operations", ddo_qops);
+			ddo_util 	= config_get_boolean_ondemand(var_name, "utilization percentage", ddo_util);
+			ddo_backlog = config_get_boolean_ondemand(var_name, "backlog", ddo_backlog);
+
+			// by default, do not add charts that do not have values
+			if(ddo_io == CONFIG_ONDEMAND_ONDEMAND && !reads && !writes) ddo_io = 0;
+			if(ddo_mops == CONFIG_ONDEMAND_ONDEMAND && mreads == 0 && mwrites == 0) ddo_mops = 0;
+			if(ddo_iotime == CONFIG_ONDEMAND_ONDEMAND && readms == 0 && writems == 0) ddo_iotime = 0;
+			if(ddo_util == CONFIG_ONDEMAND_ONDEMAND && busy_ms == 0) ddo_util = 0;
+			if(ddo_backlog == CONFIG_ONDEMAND_ONDEMAND && backlog_ms == 0) ddo_backlog = 0;
+			if(ddo_qops == CONFIG_ONDEMAND_ONDEMAND && backlog_ms == 0) ddo_qops = 0;
+
+			// for absolute values, we need to switch the setting to 'yes'
+			// to allow it refresh from now on
+			if(ddo_qops == CONFIG_ONDEMAND_ONDEMAND) config_set(var_name, "queued operations", "yes");
+		}
+
+		RRDSET *st;
+
+		// --------------------------------------------------------------------
+
+		int sector_size = 512;
+		if(ddo_io) {
+			st = rrdset_find_bytype(RRD_TYPE_DISK, disk);
+			if(!st) {
+				char tf[FILENAME_MAX + 1], *t;
+				char ssfilename[FILENAME_MAX + 1];
+
+				strncpy(tf, disk, FILENAME_MAX);
+				tf[FILENAME_MAX] = '\0';
+
+				// replace all / with !
+				while((t = strchr(tf, '/'))) *t = '!';
+
+				snprintf(ssfilename, FILENAME_MAX, path_to_get_hw_sector_size, tf);
+				FILE *fpss = fopen(ssfilename, "r");
+				if(fpss) {
+					char ssbuffer[1025];
+					char *tmp = fgets(ssbuffer, 1024, fpss);
+
+					if(tmp) {
+						sector_size = atoi(tmp);
+						if(sector_size <= 0) {
+							error("Invalid sector size %d for device %s in %s. Assuming 512.", sector_size, disk, ssfilename);
+							sector_size = 512;
+						}
+					}
+					else error("Cannot read data for sector size for device %s from %s. Assuming 512.", disk, ssfilename);
+
+					fclose(fpss);
+				}
+				else error("Cannot read sector size for device %s from %s. Assuming 512.", disk, ssfilename);
+
+				st = rrdset_create(RRD_TYPE_DISK, disk, NULL, disk, "disk.io", "Disk I/O Bandwidth", "kilobytes/s", 2000, update_every, RRDSET_TYPE_AREA);
+
+				rrddim_add(st, "reads", NULL, sector_size, 1024, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "writes", NULL, sector_size * -1, 1024, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next_usec(st, dt);
+
+			last_readsectors  = rrddim_set(st, "reads", readsectors);
+			last_writesectors = rrddim_set(st, "writes", writesectors);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_ops) {
+			st = rrdset_find_bytype("disk_ops", disk);
+			if(!st) {
+				st = rrdset_create("disk_ops", disk, NULL, disk, "disk.ops", "Disk Completed I/O Operations", "operations/s", 2001, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next_usec(st, dt);
+
+			last_reads  = rrddim_set(st, "reads", reads);
+			last_writes = rrddim_set(st, "writes", writes);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_qops) {
+			st = rrdset_find_bytype("disk_qops", disk);
+			if(!st) {
+				st = rrdset_create("disk_qops", disk, NULL, disk, "disk.qops", "Disk Current I/O Operations", "operations", 2002, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "operations", NULL, 1, 1, RRDDIM_ABSOLUTE);
+			}
+			else rrdset_next_usec(st, dt);
+
+			rrddim_set(st, "operations", queued_ios);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_backlog) {
+			st = rrdset_find_bytype("disk_backlog", disk);
+			if(!st) {
+				st = rrdset_create("disk_backlog", disk, NULL, disk, "disk.backlog", "Disk Backlog", "backlog (ms)", 2003, update_every, RRDSET_TYPE_AREA);
+				st->isdetail = 1;
+
+				rrddim_add(st, "backlog", NULL, 1, 10, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next_usec(st, dt);
+
+			rrddim_set(st, "backlog", backlog_ms);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_util) {
+			st = rrdset_find_bytype("disk_util", disk);
+			if(!st) {
+				st = rrdset_create("disk_util", disk, NULL, disk, "disk.util", "Disk Utilization Time", "% of time working", 2004, update_every, RRDSET_TYPE_AREA);
+				st->isdetail = 1;
+
+				rrddim_add(st, "utilization", NULL, 1, 10, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next_usec(st, dt);
+
+			last_busy_ms = rrddim_set(st, "utilization", busy_ms);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_mops) {
+			st = rrdset_find_bytype("disk_mops", disk);
+			if(!st) {
+				st = rrdset_create("disk_mops", disk, NULL, disk, "disk.mops", "Disk Merged Operations", "merged operations/s", 2021, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next_usec(st, dt);
+
+			rrddim_set(st, "reads", mreads);
+			rrddim_set(st, "writes", mwrites);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_iotime) {
+			st = rrdset_find_bytype("disk_iotime", disk);
+			if(!st) {
+				st = rrdset_create("disk_iotime", disk, NULL, disk, "disk.iotime", "Disk Total I/O Time", "milliseconds/s", 2022, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next_usec(st, dt);
+
+			last_readms  = rrddim_set(st, "reads", readms);
+			last_writems = rrddim_set(st, "writes", writems);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+		// calculate differential charts
+		// only if this is not the first time we run
+
+		if(dt) {
+			if(ddo_iotime && ddo_ops) {
+				st = rrdset_find_bytype("disk_await", disk);
+				if(!st) {
+					st = rrdset_create("disk_await", disk, NULL, disk, "disk.await", "Average Completed I/O Operation Time", "ms per operation", 2005, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_ABSOLUTE);
+					rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_ABSOLUTE);
+				}
+				else rrdset_next_usec(st, dt);
+
+				rrddim_set(st, "reads", (reads - last_reads) ? (readms - last_readms) / (reads - last_reads) : 0);
+				rrddim_set(st, "writes", (writes - last_writes) ? (writems - last_writems) / (writes - last_writes) : 0);
+				rrdset_done(st);
+			}
+
+			if(ddo_io && ddo_ops) {
+				st = rrdset_find_bytype("disk_avgsz", disk);
+				if(!st) {
+					st = rrdset_create("disk_avgsz", disk, NULL, disk, "disk.avgsz", "Average Completed I/O Operation Bandwidth", "kilobytes per operation", 2006, update_every, RRDSET_TYPE_AREA);
+					st->isdetail = 1;
+
+					rrddim_add(st, "reads", NULL, sector_size, 1024, RRDDIM_ABSOLUTE);
+					rrddim_add(st, "writes", NULL, -sector_size, 1024, RRDDIM_ABSOLUTE);
+				}
+				else rrdset_next_usec(st, dt);
+
+				rrddim_set(st, "reads", (reads - last_reads) ? (readsectors - last_readsectors) / (reads - last_reads) : 0);
+				rrddim_set(st, "writes", (writes - last_writes) ? (writesectors - last_writesectors) / (writes - last_writes) : 0);
+				rrdset_done(st);
+			}
+
+			if(ddo_util && ddo_ops) {
+				st = rrdset_find_bytype("disk_svctm", disk);
+				if(!st) {
+					st = rrdset_create("disk_svctm", disk, NULL, disk, "disk.svctm", "Average Service Time", "ms per operation", 2007, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "svctm", NULL, 1, 1, RRDDIM_ABSOLUTE);
+				}
+				else rrdset_next_usec(st, dt);
+
+				rrddim_set(st, "svctm", ((reads - last_reads) + (writes - last_writes)) ? (busy_ms - last_busy_ms) / ((reads - last_reads) + (writes - last_writes)) : 0);
+				rrdset_done(st);
+			}
+		}
+	}
+
+	return 0;
+}
diff --git a/src/proc_interrupts.c b/src/proc_interrupts.c
new file mode 100755
index 00000000..25482dfa
--- /dev/null
+++ b/src/proc_interrupts.c
@@ -0,0 +1,164 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "common.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+#include "log.h"
+
+#define MAX_INTERRUPTS 256
+#define MAX_INTERRUPT_CPUS 256
+#define MAX_INTERRUPT_NAME 50
+
+struct interrupt {
+	int used;
+	char *id;
+	char name[MAX_INTERRUPT_NAME + 1];
+	unsigned long long value[MAX_INTERRUPT_CPUS];
+	unsigned long long total;
+};
+
+int do_proc_interrupts(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int cpus = -1, do_per_core = -1;
+
+	if(dt) {};
+
+	if(do_per_core == -1) do_per_core = config_get_boolean("plugin:proc:/proc/interrupts", "interrupts per core", 1);
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/interrupts");
+		ff = procfile_open(config_get("plugin:proc:/proc/interrupts", "filename to monitor", filename), " \t", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words = procfile_linewords(ff, 0), w;
+
+	// find how many CPUs are there
+	if(cpus == -1) {
+		cpus = 0;
+		for(w = 0; w < words ; w++) {
+			if(strncmp(procfile_lineword(ff, 0, w), "CPU", 3) == 0)
+				cpus++;
+		}
+
+		if(cpus > MAX_INTERRUPT_CPUS) cpus = MAX_INTERRUPT_CPUS;
+	}
+
+	if(!cpus) {
+		error("PLUGIN: PROC_INTERRUPTS: Cannot find the number of CPUs in /proc/interrupts");
+		return 1;
+	}
+
+	// allocate the size we need;
+	struct interrupt irrs[lines];
+	irrs[0].used = 0;
+
+	// loop through all lines
+	for(l = 1; l < lines ;l++) {
+		struct interrupt *irr = &irrs[l];
+		irr->used = 0;
+		irr->total = 0;
+
+		words = procfile_linewords(ff, l);
+		if(!words) continue;
+
+		irr->id = procfile_lineword(ff, l, 0);
+		if(!irr->id || !irr->id[0]) continue;
+
+		int idlen = strlen(irr->id);
+		if(irr->id[idlen - 1] == ':')
+			irr->id[idlen - 1] = '\0';
+
+		int c;
+		for(c = 0; c < cpus ;c++) {
+			if((c + 1) < (int)words)
+				irr->value[c] = strtoull(procfile_lineword(ff, l, (uint32_t)(c + 1)), NULL, 10);
+			else
+				irr->value[c] = 0;
+
+			irr->total += irr->value[c];
+		}
+
+		if(isdigit(irr->id[0]) && (uint32_t)(cpus + 2) < words) {
+			strncpy(irr->name, procfile_lineword(ff, l, words - 1), MAX_INTERRUPT_NAME);
+			irr->name[MAX_INTERRUPT_NAME] = '\0';
+			int nlen = strlen(irr->name);
+			if(nlen < (MAX_INTERRUPT_NAME-1)) {
+				irr->name[nlen] = '_';
+				strncpy(&irr->name[nlen + 1], irr->id, MAX_INTERRUPT_NAME - nlen);
+				irr->name[MAX_INTERRUPT_NAME] = '\0';
+			}
+		}
+		else {
+			strncpy(irr->name, irr->id, MAX_INTERRUPT_NAME);
+			irr->name[MAX_INTERRUPT_NAME] = '\0';
+		}
+
+		irr->used = 1;
+	}
+
+	RRDSET *st;
+
+	// --------------------------------------------------------------------
+
+	st = rrdset_find_bytype("system", "interrupts");
+	if(!st) {
+		st = rrdset_create("system", "interrupts", NULL, "interrupts", NULL, "System interrupts", "interrupts/s", 1000, update_every, RRDSET_TYPE_STACKED);
+
+		for(l = 0; l < lines ;l++) {
+			if(!irrs[l].used) continue;
+			rrddim_add(st, irrs[l].id, irrs[l].name, 1, 1, RRDDIM_INCREMENTAL);
+		}
+	}
+	else rrdset_next(st);
+
+	for(l = 0; l < lines ;l++) {
+		if(!irrs[l].used) continue;
+		rrddim_set(st, irrs[l].id, irrs[l].total);
+	}
+	rrdset_done(st);
+
+	if(do_per_core) {
+		int c;
+
+		for(c = 0; c < cpus ; c++) {
+			char id[256];
+			snprintf(id, 256, "cpu%d_interrupts", c);
+
+			st = rrdset_find_bytype("cpu", id);
+			if(!st) {
+				char name[256], title[256];
+				snprintf(name, 256, "cpu%d_interrupts", c);
+				snprintf(title, 256, "CPU%d Interrupts", c);
+				st = rrdset_create("cpu", id, name, "interrupts", "cpu.interrupts", title, "interrupts/s", 2000 + c, update_every, RRDSET_TYPE_STACKED);
+
+				for(l = 0; l < lines ;l++) {
+					if(!irrs[l].used) continue;
+					rrddim_add(st, irrs[l].id, irrs[l].name, 1, 1, RRDDIM_INCREMENTAL);
+				}
+			}
+			else rrdset_next(st);
+
+			for(l = 0; l < lines ;l++) {
+				if(!irrs[l].used) continue;
+				rrddim_set(st, irrs[l].id, irrs[l].value[c]);
+			}
+			rrdset_done(st);
+		}
+	}
+
+	return 0;
+}
diff --git a/src/proc_loadavg.c b/src/proc_loadavg.c
new file mode 100755
index 00000000..cd7edc83
--- /dev/null
+++ b/src/proc_loadavg.c
@@ -0,0 +1,89 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "log.h"
+#include "common.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+int do_proc_loadavg(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int do_loadavg = -1, do_all_processes = -1;
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/loadavg");
+		ff = procfile_open(config_get("plugin:proc:/proc/loadavg", "filename to monitor", filename), " \t,:|/", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	if(do_loadavg == -1)		do_loadavg 			= config_get_boolean("plugin:proc:/proc/loadavg", "enable load average", 1);
+	if(do_all_processes == -1)	do_all_processes 	= config_get_boolean("plugin:proc:/proc/loadavg", "enable total processes", 1);
+
+	if(procfile_lines(ff) < 1) {
+		error("/proc/loadavg has no lines.");
+		return 1;
+	}
+	if(procfile_linewords(ff, 0) < 6) {
+		error("/proc/loadavg has less than 6 words in it.");
+		return 1;
+	}
+
+	double load1 = strtod(procfile_lineword(ff, 0, 0), NULL);
+	double load5 = strtod(procfile_lineword(ff, 0, 1), NULL);
+	double load15 = strtod(procfile_lineword(ff, 0, 2), NULL);
+
+	//unsigned long long running_processes	= strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
+	unsigned long long active_processes		= strtoull(procfile_lineword(ff, 0, 4), NULL, 10);
+	//unsigned long long next_pid				= strtoull(procfile_lineword(ff, 0, 5), NULL, 10);
+
+
+	RRDSET *st;
+
+	// --------------------------------------------------------------------
+
+	if(do_loadavg) {
+		st = rrdset_find_byname("system.load");
+		if(!st) {
+			st = rrdset_create("system", "load", NULL, "load", NULL, "System Load Average", "load", 100, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "load1", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "load5", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "load15", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "load1", load1 * 1000);
+		rrddim_set(st, "load5", load5 * 1000);
+		rrddim_set(st, "load15", load15 * 1000);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_all_processes) {
+		st = rrdset_find_byname("system.active_processes");
+		if(!st) {
+			st = rrdset_create("system", "active_processes", NULL, "processes", NULL, "System Active Processes", "processes", 750, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "active", NULL, 1, 1, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "active", active_processes);
+		rrdset_done(st);
+	}
+
+	return 0;
+}
diff --git a/src/proc_meminfo.c b/src/proc_meminfo.c
new file mode 100755
index 00000000..dbd43369
--- /dev/null
+++ b/src/proc_meminfo.c
@@ -0,0 +1,254 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+#define MAX_PROC_MEMINFO_LINE 4096
+#define MAX_PROC_MEMINFO_NAME 1024
+
+int do_proc_meminfo(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+
+	static int do_ram = -1, do_swap = -1, do_hwcorrupt = -1, do_committed = -1, do_writeback = -1, do_kernel = -1, do_slab = -1;
+
+	if(do_ram == -1)		do_ram 			= config_get_boolean("plugin:proc:/proc/meminfo", "system ram", 1);
+	if(do_swap == -1)		do_swap 		= config_get_boolean("plugin:proc:/proc/meminfo", "system swap", 1);
+	if(do_hwcorrupt == -1)	do_hwcorrupt 	= config_get_boolean_ondemand("plugin:proc:/proc/meminfo", "hardware corrupted ECC", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_committed == -1)	do_committed 	= config_get_boolean("plugin:proc:/proc/meminfo", "committed memory", 1);
+	if(do_writeback == -1)	do_writeback 	= config_get_boolean("plugin:proc:/proc/meminfo", "writeback memory", 1);
+	if(do_kernel == -1)		do_kernel 		= config_get_boolean("plugin:proc:/proc/meminfo", "kernel memory", 1);
+	if(do_slab == -1)		do_slab 		= config_get_boolean("plugin:proc:/proc/meminfo", "slab memory", 1);
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/meminfo");
+		ff = procfile_open(config_get("plugin:proc:/proc/meminfo", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	int hwcorrupted = 0;
+
+	unsigned long long MemTotal = 0, MemFree = 0, Buffers = 0, Cached = 0, SwapCached = 0,
+		Active = 0, Inactive = 0, ActiveAnon = 0, InactiveAnon = 0, ActiveFile = 0, InactiveFile = 0,
+		Unevictable = 0, Mlocked = 0, SwapTotal = 0, SwapFree = 0, Dirty = 0, Writeback = 0, AnonPages = 0,
+		Mapped = 0, Shmem = 0, Slab = 0, SReclaimable = 0, SUnreclaim = 0, KernelStack = 0, PageTables = 0,
+		NFS_Unstable = 0, Bounce = 0, WritebackTmp = 0, CommitLimit = 0, Committed_AS = 0,
+		VmallocTotal = 0, VmallocUsed = 0, VmallocChunk = 0,
+		AnonHugePages = 0, HugePages_Total = 0, HugePages_Free = 0, HugePages_Rsvd = 0, HugePages_Surp = 0, Hugepagesize = 0,
+		DirectMap4k = 0, DirectMap2M = 0, HardwareCorrupted = 0;
+
+	for(l = 0; l < lines ;l++) {
+		words = procfile_linewords(ff, l);
+		if(words < 2) continue;
+
+		char *name = procfile_lineword(ff, l, 0);
+		unsigned long long value = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+
+		     if(!MemTotal && strcmp(name, "MemTotal") == 0) MemTotal = value;
+		else if(!MemFree && strcmp(name, "MemFree") == 0) MemFree = value;
+		else if(!Buffers && strcmp(name, "Buffers") == 0) Buffers = value;
+		else if(!Cached && strcmp(name, "Cached") == 0) Cached = value;
+		else if(!SwapCached && strcmp(name, "SwapCached") == 0) SwapCached = value;
+		else if(!Active && strcmp(name, "Active") == 0) Active = value;
+		else if(!Inactive && strcmp(name, "Inactive") == 0) Inactive = value;
+		else if(!ActiveAnon && strcmp(name, "ActiveAnon") == 0) ActiveAnon = value;
+		else if(!InactiveAnon && strcmp(name, "InactiveAnon") == 0) InactiveAnon = value;
+		else if(!ActiveFile && strcmp(name, "ActiveFile") == 0) ActiveFile = value;
+		else if(!InactiveFile && strcmp(name, "InactiveFile") == 0) InactiveFile = value;
+		else if(!Unevictable && strcmp(name, "Unevictable") == 0) Unevictable = value;
+		else if(!Mlocked && strcmp(name, "Mlocked") == 0) Mlocked = value;
+		else if(!SwapTotal && strcmp(name, "SwapTotal") == 0) SwapTotal = value;
+		else if(!SwapFree && strcmp(name, "SwapFree") == 0) SwapFree = value;
+		else if(!Dirty && strcmp(name, "Dirty") == 0) Dirty = value;
+		else if(!Writeback && strcmp(name, "Writeback") == 0) Writeback = value;
+		else if(!AnonPages && strcmp(name, "AnonPages") == 0) AnonPages = value;
+		else if(!Mapped && strcmp(name, "Mapped") == 0) Mapped = value;
+		else if(!Shmem && strcmp(name, "Shmem") == 0) Shmem = value;
+		else if(!Slab && strcmp(name, "Slab") == 0) Slab = value;
+		else if(!SReclaimable && strcmp(name, "SReclaimable") == 0) SReclaimable = value;
+		else if(!SUnreclaim && strcmp(name, "SUnreclaim") == 0) SUnreclaim = value;
+		else if(!KernelStack && strcmp(name, "KernelStack") == 0) KernelStack = value;
+		else if(!PageTables && strcmp(name, "PageTables") == 0) PageTables = value;
+		else if(!NFS_Unstable && strcmp(name, "NFS_Unstable") == 0) NFS_Unstable = value;
+		else if(!Bounce && strcmp(name, "Bounce") == 0) Bounce = value;
+		else if(!WritebackTmp && strcmp(name, "WritebackTmp") == 0) WritebackTmp = value;
+		else if(!CommitLimit && strcmp(name, "CommitLimit") == 0) CommitLimit = value;
+		else if(!Committed_AS && strcmp(name, "Committed_AS") == 0) Committed_AS = value;
+		else if(!VmallocTotal && strcmp(name, "VmallocTotal") == 0) VmallocTotal = value;
+		else if(!VmallocUsed && strcmp(name, "VmallocUsed") == 0) VmallocUsed = value;
+		else if(!VmallocChunk && strcmp(name, "VmallocChunk") == 0) VmallocChunk = value;
+		else if(!HardwareCorrupted && strcmp(name, "HardwareCorrupted") == 0) { HardwareCorrupted = value; hwcorrupted = 1; }
+		else if(!AnonHugePages && strcmp(name, "AnonHugePages") == 0) AnonHugePages = value;
+		else if(!HugePages_Total && strcmp(name, "HugePages_Total") == 0) HugePages_Total = value;
+		else if(!HugePages_Free && strcmp(name, "HugePages_Free") == 0) HugePages_Free = value;
+		else if(!HugePages_Rsvd && strcmp(name, "HugePages_Rsvd") == 0) HugePages_Rsvd = value;
+		else if(!HugePages_Surp && strcmp(name, "HugePages_Surp") == 0) HugePages_Surp = value;
+		else if(!Hugepagesize && strcmp(name, "Hugepagesize") == 0) Hugepagesize = value;
+		else if(!DirectMap4k && strcmp(name, "DirectMap4k") == 0) DirectMap4k = value;
+		else if(!DirectMap2M && strcmp(name, "DirectMap2M") == 0) DirectMap2M = value;
+	}
+
+	RRDSET *st;
+
+	// --------------------------------------------------------------------
+
+	// http://stackoverflow.com/questions/3019748/how-to-reliably-measure-available-memory-in-linux
+	unsigned long long MemUsed = MemTotal - MemFree - Cached - Buffers;
+
+	if(do_ram) {
+		st = rrdset_find("system.ram");
+		if(!st) {
+			st = rrdset_create("system", "ram", NULL, "ram", NULL, "System RAM", "MB", 200, update_every, RRDSET_TYPE_STACKED);
+
+			rrddim_add(st, "buffers", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "used",    NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "cached",  NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "free",    NULL, 1, 1024, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "used", MemUsed);
+		rrddim_set(st, "free", MemFree);
+		rrddim_set(st, "cached", Cached);
+		rrddim_set(st, "buffers", Buffers);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	unsigned long long SwapUsed = SwapTotal - SwapFree;
+
+	if(do_swap) {
+		st = rrdset_find("system.swap");
+		if(!st) {
+			st = rrdset_create("system", "swap", NULL, "swap", NULL, "System Swap", "MB", 201, update_every, RRDSET_TYPE_STACKED);
+			st->isdetail = 1;
+
+			rrddim_add(st, "free",    NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "used",    NULL, 1, 1024, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "used", SwapUsed);
+		rrddim_set(st, "free", SwapFree);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(hwcorrupted && do_hwcorrupt && HardwareCorrupted > 0) {
+		do_hwcorrupt = CONFIG_ONDEMAND_YES;
+
+		st = rrdset_find("mem.hwcorrupt");
+		if(!st) {
+			st = rrdset_create("mem", "hwcorrupt", NULL, "errors", NULL, "Hardware Corrupted ECC", "MB", 9000, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "HardwareCorrupted", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "HardwareCorrupted", HardwareCorrupted);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_committed) {
+		st = rrdset_find("mem.committed");
+		if(!st) {
+			st = rrdset_create("mem", "committed", NULL, "system", NULL, "Committed (Allocated) Memory", "MB", 5000, update_every, RRDSET_TYPE_AREA);
+			st->isdetail = 1;
+
+			rrddim_add(st, "Committed_AS", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "Committed_AS", Committed_AS);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_writeback) {
+		st = rrdset_find("mem.writeback");
+		if(!st) {
+			st = rrdset_create("mem", "writeback", NULL, "kernel", NULL, "Writeback Memory", "MB", 4000, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "Dirty", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "Writeback", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "FuseWriteback", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "NfsWriteback", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "Bounce", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "Dirty", Dirty);
+		rrddim_set(st, "Writeback", Writeback);
+		rrddim_set(st, "FuseWriteback", WritebackTmp);
+		rrddim_set(st, "NfsWriteback", NFS_Unstable);
+		rrddim_set(st, "Bounce", Bounce);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_kernel) {
+		st = rrdset_find("mem.kernel");
+		if(!st) {
+			st = rrdset_create("mem", "kernel", NULL, "kernel", NULL, "Memory Used by Kernel", "MB", 6000, update_every, RRDSET_TYPE_STACKED);
+			st->isdetail = 1;
+
+			rrddim_add(st, "Slab", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "KernelStack", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "PageTables", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "VmallocUsed", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "KernelStack", KernelStack);
+		rrddim_set(st, "Slab", Slab);
+		rrddim_set(st, "PageTables", PageTables);
+		rrddim_set(st, "VmallocUsed", VmallocUsed);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_slab) {
+		st = rrdset_find("mem.slab");
+		if(!st) {
+			st = rrdset_create("mem", "slab", NULL, "slab", NULL, "Reclaimable Kernel Memory", "MB", 6500, update_every, RRDSET_TYPE_STACKED);
+			st->isdetail = 1;
+
+			rrddim_add(st, "reclaimable", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "unreclaimable", NULL, 1, 1024, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "reclaimable", SReclaimable);
+		rrddim_set(st, "unreclaimable", SUnreclaim);
+		rrdset_done(st);
+	}
+
+	return 0;
+}
+
diff --git a/src/proc_net_dev.c b/src/proc_net_dev.c
new file mode 100755
index 00000000..5070ab81
--- /dev/null
+++ b/src/proc_net_dev.c
@@ -0,0 +1,247 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+int do_proc_net_dev(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int enable_new_interfaces = -1, enable_ifb_interfaces = -1;
+	static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1, do_events = -1;
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/dev");
+		ff = procfile_open(config_get("plugin:proc:/proc/net/dev", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	if(enable_new_interfaces == -1)	enable_new_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable new interfaces detected at runtime", CONFIG_ONDEMAND_ONDEMAND);
+	if(enable_ifb_interfaces == -1)	enable_ifb_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable ifb interfaces", CONFIG_ONDEMAND_NO);
+
+	if(do_bandwidth == -1)	do_bandwidth 	= config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "bandwidth for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_packets == -1)	do_packets 		= config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_errors == -1)		do_errors 		= config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "errors for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_drops == -1)		do_drops 		= config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "drops for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_fifo == -1) 		do_fifo 		= config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "fifo for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_compressed == -1)	do_compressed 	= config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "compressed packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+	if(do_events == -1)		do_events 		= config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "frames, collisions, carrier counters for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	char *iface;
+	unsigned long long rbytes, rpackets, rerrors, rdrops, rfifo, rframe, rcompressed, rmulticast;
+	unsigned long long tbytes, tpackets, terrors, tdrops, tfifo, tcollisions, tcarrier, tcompressed;
+
+	for(l = 2; l < lines ;l++) {
+		words = procfile_linewords(ff, l);
+		if(words < 17) continue;
+
+		iface		= procfile_lineword(ff, l, 0);
+
+		rbytes		= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+		rpackets	= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+		rerrors		= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+		rdrops		= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+		rfifo		= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+		rframe		= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+		rcompressed	= strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+		rmulticast	= strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+
+		tbytes		= strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+		tpackets	= strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+		terrors		= strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+		tdrops		= strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+		tfifo		= strtoull(procfile_lineword(ff, l, 13), NULL, 10);
+		tcollisions	= strtoull(procfile_lineword(ff, l, 14), NULL, 10);
+		tcarrier	= strtoull(procfile_lineword(ff, l, 15), NULL, 10);
+		tcompressed	= strtoull(procfile_lineword(ff, l, 16), NULL, 10);
+
+		int ddo_bandwidth = do_bandwidth, ddo_packets = do_packets, ddo_errors = do_errors, ddo_drops = do_drops, ddo_fifo = do_fifo, ddo_compressed = do_compressed, ddo_events = do_events;
+
+		int default_enable = enable_new_interfaces;
+
+		// prevent unused interfaces from creating charts
+		if(strcmp(iface, "lo") == 0)
+			default_enable = 0;
+		else {
+			int len = strlen(iface);
+			if(len >= 4 && strcmp(&iface[len-4], "-ifb") == 0)
+				default_enable = enable_ifb_interfaces;
+		}
+
+		// check if the user wants it
+		{
+			char var_name[512 + 1];
+			snprintf(var_name, 512, "plugin:proc:/proc/net/dev:%s", iface);
+			default_enable = config_get_boolean_ondemand(var_name, "enabled", default_enable);
+			if(default_enable == CONFIG_ONDEMAND_NO) continue;
+			if(default_enable == CONFIG_ONDEMAND_ONDEMAND && !rbytes && !tbytes) continue;
+
+			ddo_bandwidth = config_get_boolean_ondemand(var_name, "bandwidth", ddo_bandwidth);
+			ddo_packets = config_get_boolean_ondemand(var_name, "packets", ddo_packets);
+			ddo_errors = config_get_boolean_ondemand(var_name, "errors", ddo_errors);
+			ddo_drops = config_get_boolean_ondemand(var_name, "drops", ddo_drops);
+			ddo_fifo = config_get_boolean_ondemand(var_name, "fifo", ddo_fifo);
+			ddo_compressed = config_get_boolean_ondemand(var_name, "compressed", ddo_compressed);
+			ddo_events = config_get_boolean_ondemand(var_name, "events", ddo_events);
+
+			if(ddo_bandwidth == CONFIG_ONDEMAND_ONDEMAND && rbytes == 0 && tbytes == 0) ddo_bandwidth = 0;
+			if(ddo_errors == CONFIG_ONDEMAND_ONDEMAND && rerrors == 0 && terrors == 0) ddo_errors = 0;
+			if(ddo_drops == CONFIG_ONDEMAND_ONDEMAND && rdrops == 0 && tdrops == 0) ddo_drops = 0;
+			if(ddo_fifo == CONFIG_ONDEMAND_ONDEMAND && rfifo == 0 && tfifo == 0) ddo_fifo = 0;
+			if(ddo_compressed == CONFIG_ONDEMAND_ONDEMAND && rcompressed == 0 && tcompressed == 0) ddo_compressed = 0;
+			if(ddo_events == CONFIG_ONDEMAND_ONDEMAND && rframe == 0 && tcollisions == 0 && tcarrier == 0) ddo_events = 0;
+
+			// for absolute values, we need to switch the setting to 'yes'
+			// to allow it refresh from now on
+			// if(ddo_fifo == CONFIG_ONDEMAND_ONDEMAND) config_set(var_name, "fifo", "yes");
+		}
+
+		RRDSET *st;
+
+		// --------------------------------------------------------------------
+
+		if(ddo_bandwidth) {
+			st = rrdset_find_bytype("net", iface);
+			if(!st) {
+				st = rrdset_create("net", iface, NULL, iface, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
+
+				rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			rrddim_set(st, "received", rbytes);
+			rrddim_set(st, "sent", tbytes);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_packets) {
+			st = rrdset_find_bytype("net_packets", iface);
+			if(!st) {
+				st = rrdset_create("net_packets", iface, NULL, iface, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "multicast", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			rrddim_set(st, "received", rpackets);
+			rrddim_set(st, "sent", tpackets);
+			rrddim_set(st, "multicast", rmulticast);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_errors) {
+			st = rrdset_find_bytype("net_errors", iface);
+			if(!st) {
+				st = rrdset_create("net_errors", iface, NULL, iface, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			rrddim_set(st, "inbound", rerrors);
+			rrddim_set(st, "outbound", terrors);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_drops) {
+			st = rrdset_find_bytype("net_drops", iface);
+			if(!st) {
+				st = rrdset_create("net_drops", iface, NULL, iface, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			rrddim_set(st, "inbound", rdrops);
+			rrddim_set(st, "outbound", tdrops);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_fifo) {
+			st = rrdset_find_bytype("net_fifo", iface);
+			if(!st) {
+				st = rrdset_create("net_fifo", iface, NULL, iface, "net.fifo", "Interface FIFO Buffer Errors", "errors", 7004, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "receive", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "transmit", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			rrddim_set(st, "receive", rfifo);
+			rrddim_set(st, "transmit", tfifo);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_compressed) {
+			st = rrdset_find_bytype("net_compressed", iface);
+			if(!st) {
+				st = rrdset_create("net_compressed", iface, NULL, iface, "net.compressed", "Compressed Packets", "packets/s", 7005, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			rrddim_set(st, "received", rcompressed);
+			rrddim_set(st, "sent", tcompressed);
+			rrdset_done(st);
+		}
+
+		// --------------------------------------------------------------------
+
+		if(ddo_events) {
+			st = rrdset_find_bytype("net_events", iface);
+			if(!st) {
+				st = rrdset_create("net_events", iface, NULL, iface, "net.events", "Network Interface Events", "events/s", 7006, update_every, RRDSET_TYPE_LINE);
+				st->isdetail = 1;
+
+				rrddim_add(st, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
+				rrddim_add(st, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			}
+			else rrdset_next(st);
+
+			rrddim_set(st, "frames", rframe);
+			rrddim_set(st, "collisions", tcollisions);
+			rrddim_set(st, "carrier", tcarrier);
+			rrdset_done(st);
+		}
+	}
+
+	return 0;
+}
diff --git a/src/proc_net_ip_vs_stats.c b/src/proc_net_ip_vs_stats.c
new file mode 100755
index 00000000..8c2ece7d
--- /dev/null
+++ b/src/proc_net_ip_vs_stats.c
@@ -0,0 +1,102 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "common.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+#define RRD_TYPE_NET_IPVS 			"ipvs"
+#define RRD_TYPE_NET_IPVS_LEN		strlen(RRD_TYPE_NET_IPVS)
+
+int do_proc_net_ip_vs_stats(int update_every, unsigned long long dt) {
+	static int do_bandwidth = -1, do_sockets = -1, do_packets = -1;
+	static procfile *ff = NULL;
+
+	if(do_bandwidth == -1)	do_bandwidth 	= config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS bandwidth", 1);
+	if(do_sockets == -1)	do_sockets 		= config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS connections", 1);
+	if(do_packets == -1)	do_packets 		= config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS packets", 1);
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/ip_vs_stats");
+		ff = procfile_open(config_get("plugin:proc:/proc/net/ip_vs_stats", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	// make sure we have 3 lines
+	if(procfile_lines(ff) < 3) return 1;
+
+	// make sure we have 5 words on the 3rd line
+	if(procfile_linewords(ff, 2) < 5) return 1;
+
+	unsigned long long entries, InPackets, OutPackets, InBytes, OutBytes;
+
+	entries 	= strtoull(procfile_lineword(ff, 2, 0), NULL, 16);
+	InPackets 	= strtoull(procfile_lineword(ff, 2, 1), NULL, 16);
+	OutPackets 	= strtoull(procfile_lineword(ff, 2, 2), NULL, 16);
+	InBytes 	= strtoull(procfile_lineword(ff, 2, 3), NULL, 16);
+	OutBytes 	= strtoull(procfile_lineword(ff, 2, 4), NULL, 16);
+
+	RRDSET *st;
+
+	// --------------------------------------------------------------------
+
+	if(do_sockets) {
+		st = rrdset_find(RRD_TYPE_NET_IPVS ".sockets");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_IPVS, "sockets", NULL, RRD_TYPE_NET_IPVS, NULL, "IPVS New Connections", "connections/s", 1001, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "connections", NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "connections", entries);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_packets) {
+		st = rrdset_find(RRD_TYPE_NET_IPVS ".packets");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_IPVS, "packets", NULL, RRD_TYPE_NET_IPVS, NULL, "IPVS Packets", "packets/s", 1002, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "received", InPackets);
+		rrddim_set(st, "sent", OutPackets);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_bandwidth) {
+		st = rrdset_find(RRD_TYPE_NET_IPVS ".net");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_IPVS, "net", NULL, RRD_TYPE_NET_IPVS, NULL, "IPVS Bandwidth", "kilobits/s", 1000, update_every, RRDSET_TYPE_AREA);
+
+			rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "received", InBytes);
+		rrddim_set(st, "sent", OutBytes);
+		rrdset_done(st);
+	}
+
+	return 0;
+}
diff --git a/src/proc_net_netstat.c b/src/proc_net_netstat.c
new file mode 100755
index 00000000..3f178a4a
--- /dev/null
+++ b/src/proc_net_netstat.c
@@ -0,0 +1,185 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+int do_proc_net_netstat(int update_every, unsigned long long dt) {
+	static int do_bandwidth = -1, do_inerrors = -1, do_mcast = -1, do_bcast = -1, do_mcast_p = -1, do_bcast_p = -1;
+	static procfile *ff = NULL;
+
+	if(do_bandwidth == -1)	do_bandwidth	= config_get_boolean("plugin:proc:/proc/net/netstat", "bandwidth", 1);
+	if(do_inerrors == -1)	do_inerrors		= config_get_boolean("plugin:proc:/proc/net/netstat", "input errors", 1);
+	if(do_mcast == -1)		do_mcast 		= config_get_boolean("plugin:proc:/proc/net/netstat", "multicast bandwidth", 1);
+	if(do_bcast == -1)		do_bcast 		= config_get_boolean("plugin:proc:/proc/net/netstat", "broadcast bandwidth", 1);
+	if(do_mcast_p == -1)	do_mcast_p 		= config_get_boolean("plugin:proc:/proc/net/netstat", "multicast packets", 1);
+	if(do_bcast_p == -1)	do_bcast_p 		= config_get_boolean("plugin:proc:/proc/net/netstat", "broadcast packets", 1);
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/netstat");
+		ff = procfile_open(config_get("plugin:proc:/proc/net/netstat", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	for(l = 0; l < lines ;l++) {
+		if(strcmp(procfile_lineword(ff, l, 0), "IpExt") == 0) {
+			l++; // we need the next line
+
+			if(strcmp(procfile_lineword(ff, l, 0), "IpExt") != 0) {
+				error("Cannot read IpExt line from /proc/net/netstat.");
+				break;
+			}
+			words = procfile_linewords(ff, l);
+			if(words < 12) {
+				error("Cannot read /proc/net/netstat IpExt line. Expected 12 params, read %d.", words);
+				continue;
+			}
+
+			unsigned long long
+				InNoRoutes = 0, InTruncatedPkts = 0,
+				InOctets = 0,  InMcastPkts = 0,  InBcastPkts = 0,  InMcastOctets = 0,  InBcastOctets = 0,
+				OutOctets = 0, OutMcastPkts = 0, OutBcastPkts = 0, OutMcastOctets = 0, OutBcastOctets = 0;
+
+			InNoRoutes 			= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			InTruncatedPkts 	= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			InMcastPkts 		= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			OutMcastPkts 		= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+			InBcastPkts 		= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+			OutBcastPkts 		= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+			InOctets 			= strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+			OutOctets 			= strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+			InMcastOctets 		= strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+			OutMcastOctets 		= strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+			InBcastOctets 		= strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+			OutBcastOctets 		= strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+
+			RRDSET *st;
+
+			// --------------------------------------------------------------------
+
+			if(do_bandwidth) {
+				st = rrdset_find("system.ipv4");
+				if(!st) {
+					st = rrdset_create("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
+
+					rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "sent", OutOctets);
+				rrddim_set(st, "received", InOctets);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_inerrors) {
+				st = rrdset_find("ipv4.inerrors");
+				if(!st) {
+					st = rrdset_create("ipv4", "inerrors", NULL, "errors", NULL, "IPv4 Input Errors", "packets/s", 4000, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "noroutes", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "trunkated", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "noroutes", InNoRoutes);
+				rrddim_set(st, "trunkated", InTruncatedPkts);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_mcast) {
+				st = rrdset_find("ipv4.mcast");
+				if(!st) {
+					st = rrdset_create("ipv4", "mcast", NULL, "multicast", NULL, "IPv4 Multicast Bandwidth", "kilobits/s", 9000, update_every, RRDSET_TYPE_AREA);
+					st->isdetail = 1;
+
+					rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "sent", OutMcastOctets);
+				rrddim_set(st, "received", InMcastOctets);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_bcast) {
+				st = rrdset_find("ipv4.bcast");
+				if(!st) {
+					st = rrdset_create("ipv4", "bcast", NULL, "broadcast", NULL, "IPv4 Broadcast Bandwidth", "kilobits/s", 8000, update_every, RRDSET_TYPE_AREA);
+					st->isdetail = 1;
+
+					rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "sent", OutBcastOctets);
+				rrddim_set(st, "received", InBcastOctets);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_mcast_p) {
+				st = rrdset_find("ipv4.mcastpkts");
+				if(!st) {
+					st = rrdset_create("ipv4", "mcastpkts", NULL, "multicast", NULL, "IPv4 Multicast Packets", "packets/s", 9500, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "sent", OutMcastPkts);
+				rrddim_set(st, "received", InMcastPkts);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_bcast_p) {
+				st = rrdset_find("ipv4.bcastpkts");
+				if(!st) {
+					st = rrdset_create("ipv4", "bcastpkts", NULL, "broadcast", NULL, "IPv4 Broadcast Packets", "packets/s", 8500, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "sent", OutBcastPkts);
+				rrddim_set(st, "received", InBcastPkts);
+				rrdset_done(st);
+			}
+		}
+	}
+
+	return 0;
+}
diff --git a/src/proc_net_rpc_nfsd.c b/src/proc_net_rpc_nfsd.c
new file mode 100644
index 00000000..12949f5d
--- /dev/null
+++ b/src/proc_net_rpc_nfsd.c
@@ -0,0 +1,693 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+struct nfsd_procs {
+	char name[30];
+	unsigned long long proc2;
+	unsigned long long proc3;
+	unsigned long long proc4;
+	int present2;
+	int present3;
+	int present4;
+};
+
+struct nfsd_procs nfsd_proc_values[] = {
+	{ "null", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "getattr", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "setattr", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "lookup", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "access", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "readlink", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "read", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "write", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "create", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "mkdir", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "symlink", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "mknod", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "remove", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "rmdir", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "rename", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "link", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "readdir", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "readdirplus", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "fsstat", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "fsinfo", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "pathconf", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "commit", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+	{ "", 0ULL, 0ULL, 0ULL, 0, 0, 0 },
+};
+
+struct nfsd4_ops {
+	char name[30];
+	unsigned long long value;
+	int present;
+};
+
+struct nfsd4_ops nfsd4_ops_values[] = {
+	{ "access", 0ULL, 0},
+	{ "close", 0ULL, 0},
+	{ "commit", 0ULL, 0},
+	{ "create", 0ULL, 0},
+	{ "delegpurge", 0ULL, 0},
+	{ "delegreturn", 0ULL, 0},
+	{ "getattr", 0ULL, 0},
+	{ "getfh", 0ULL, 0},
+	{ "link", 0ULL, 0},
+	{ "lock", 0ULL, 0},
+	{ "lockt", 0ULL, 0},
+	{ "locku", 0ULL, 0},
+	{ "lookup", 0ULL, 0},
+	{ "lookupp", 0ULL, 0},
+	{ "nverify", 0ULL, 0},
+	{ "open", 0ULL, 0},
+	{ "openattr", 0ULL, 0},
+	{ "open_confirm", 0ULL, 0},
+	{ "open_downgrade", 0ULL, 0},
+	{ "putfh", 0ULL, 0},
+	{ "putpubfh", 0ULL, 0},
+	{ "putrootfh", 0ULL, 0},
+	{ "read", 0ULL, 0},
+	{ "readdir", 0ULL, 0},
+	{ "readlink", 0ULL, 0},
+	{ "remove", 0ULL, 0},
+	{ "rename", 0ULL, 0},
+	{ "renew", 0ULL, 0},
+	{ "restorefh", 0ULL, 0},
+	{ "savefh", 0ULL, 0},
+	{ "secinfo", 0ULL, 0},
+	{ "setattr", 0ULL, 0},
+	{ "setclientid", 0ULL, 0},
+	{ "setclientid_confirm", 0ULL, 0},
+	{ "verify", 0ULL, 0},
+	{ "write", 0ULL, 0},
+	{ "release_lockowner", 0ULL, 0},
+
+	/* nfs41 */
+	{ "backchannel_ctl", 0ULL, 0},
+	{ "bind_conn_to_session", 0ULL, 0},
+	{ "exchange_id", 0ULL, 0},
+	{ "create_session", 0ULL, 0},
+	{ "destroy_session", 0ULL, 0},
+	{ "free_stateid", 0ULL, 0},
+	{ "get_dir_delegation", 0ULL, 0},
+	{ "getdeviceinfo", 0ULL, 0},
+	{ "getdevicelist", 0ULL, 0},
+	{ "layoutcommit", 0ULL, 0},
+	{ "layoutget", 0ULL, 0},
+	{ "layoutreturn", 0ULL, 0},
+	{ "secinfo_no_name", 0ULL, 0},
+	{ "sequence", 0ULL, 0},
+	{ "set_ssv", 0ULL, 0},
+	{ "test_stateid", 0ULL, 0},
+	{ "want_delegation", 0ULL, 0},
+	{ "destroy_clientid", 0ULL, 0},
+	{ "reclaim_complete", 0ULL, 0},
+
+	/* nfs42 */
+	{ "allocate", 0ULL, 0},
+	{ "copy", 0ULL, 0},
+	{ "copy_notify", 0ULL, 0},
+	{ "deallocate", 0ULL, 0},
+	{ "io_advise", 0ULL, 0},
+	{ "layouterror", 0ULL, 0},
+	{ "layoutstats", 0ULL, 0},
+	{ "offload_cancel", 0ULL, 0},
+	{ "offload_status", 0ULL, 0},
+	{ "read_plus", 0ULL, 0},
+	{ "seek", 0ULL, 0},
+	{ "write_same", 0ULL, 0},
+
+	/* termination */
+	{ "", 0ULL, 0 }
+};
+
+
+int do_proc_net_rpc_nfsd(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int do_rc = -1, do_fh = -1, do_io = -1, do_th = -1, do_ra = -1, do_net = -1, do_rpc = -1, do_proc2 = -1, do_proc3 = -1, do_proc4 = -1, do_proc4ops = -1;
+	static int ra_warning = 0, th_warning = 0, proc2_warning = 0, proc3_warning = 0, proc4_warning = 0, proc4ops_warning = 0;
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/rpc/nfsd");
+		ff = procfile_open(config_get("plugin:proc:/proc/net/rpc/nfsd", "filename to monitor", filename), " \t", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	if(do_rc == -1) do_rc = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "read cache", 1);
+	if(do_fh == -1) do_fh = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "file handles", 1);
+	if(do_io == -1) do_io = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "I/O", 1);
+	if(do_th == -1) do_th = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "threads", 1);
+	if(do_ra == -1) do_ra = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "read ahead", 1);
+	if(do_net == -1) do_net = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "network", 1);
+	if(do_rpc == -1) do_rpc = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "rpc", 1);
+	if(do_proc2 == -1) do_proc2 = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "NFS v2 procedures", 1);
+	if(do_proc3 == -1) do_proc3 = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "NFS v3 procedures", 1);
+	if(do_proc4 == -1) do_proc4 = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "NFS v4 procedures", 1);
+	if(do_proc4ops == -1) do_proc4ops = config_get_boolean("plugin:proc:/proc/net/rpc/nfsd", "NFS v4 operations", 1);
+
+	// if they are enabled, reset them to 1
+	// later we do them =2 to avoid doing strcmp for all lines
+	if(do_rc) do_rc = 1;
+	if(do_fh) do_fh = 1;
+	if(do_io) do_io = 1;
+	if(do_th) do_th = 1;
+	if(do_ra) do_ra = 1;
+	if(do_net) do_net = 1;
+	if(do_rpc) do_rpc = 1;
+	if(do_proc2) do_proc2 = 1;
+	if(do_proc3) do_proc3 = 1;
+	if(do_proc4) do_proc4 = 1;
+	if(do_proc4ops) do_proc4ops = 1;
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	char *type;
+	unsigned long long rc_hits = 0, rc_misses = 0, rc_nocache = 0;
+	unsigned long long fh_stale = 0, fh_total_lookups = 0, fh_anonymous_lookups = 0, fh_dir_not_in_dcache = 0, fh_non_dir_not_in_dcache = 0;
+	unsigned long long io_read = 0, io_write = 0;
+	unsigned long long th_threads = 0, th_fullcnt = 0, th_hist10 = 0, th_hist20 = 0, th_hist30 = 0, th_hist40 = 0, th_hist50 = 0, th_hist60 = 0, th_hist70 = 0, th_hist80 = 0, th_hist90 = 0, th_hist100 = 0;
+	unsigned long long ra_size = 0, ra_hist10 = 0, ra_hist20 = 0, ra_hist30 = 0, ra_hist40 = 0, ra_hist50 = 0, ra_hist60 = 0, ra_hist70 = 0, ra_hist80 = 0, ra_hist90 = 0, ra_hist100 = 0, ra_none = 0;
+	unsigned long long net_count = 0, net_udp_count = 0, net_tcp_count = 0, net_tcp_connections = 0;
+	unsigned long long rpc_count = 0, rpc_bad_format = 0, rpc_bad_auth = 0, rpc_bad_client = 0;
+
+	for(l = 0; l < lines ;l++) {
+		words = procfile_linewords(ff, l);
+		if(!words) continue;
+
+		type		= procfile_lineword(ff, l, 0);
+
+		if(do_rc == 1 && strcmp(type, "rc") == 0) {
+			if(words < 4) {
+				error("%s line of /proc/net/rpc/nfsd has %d words, expected %d", type, words, 4);
+				continue;
+			}
+
+			rc_hits = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			rc_misses = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			rc_nocache = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+
+			unsigned long long sum = rc_hits + rc_misses + rc_nocache;
+			if(sum == 0ULL) do_rc = -1;
+			else do_rc = 2;
+		}
+		else if(do_fh == 1 && strcmp(type, "fh") == 0) {
+			if(words < 6) {
+				error("%s line of /proc/net/rpc/nfsd has %d words, expected %d", type, words, 6);
+				continue;
+			}
+
+			fh_stale = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			fh_total_lookups = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			fh_anonymous_lookups = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			fh_dir_not_in_dcache = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+			fh_non_dir_not_in_dcache = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+
+			unsigned long long sum = fh_stale + fh_total_lookups + fh_anonymous_lookups + fh_dir_not_in_dcache + fh_non_dir_not_in_dcache;
+			if(sum == 0ULL) do_fh = -1;
+			else do_fh = 2;
+		}
+		else if(do_io == 1 && strcmp(type, "io") == 0) {
+			if(words < 3) {
+				error("%s line of /proc/net/rpc/nfsd has %d words, expected %d", type, words, 3);
+				continue;
+			}
+
+			io_read = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			io_write = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+
+			unsigned long long sum = io_read + io_write;
+			if(sum == 0ULL) do_io = -1;
+			else do_io = 2;
+		}
+		else if(do_th == 1 && strcmp(type, "th") == 0) {
+			if(words < 13) {
+				error("%s line of /proc/net/rpc/nfsd has %d words, expected %d", type, words, 13);
+				continue;
+			}
+
+			th_threads = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			th_fullcnt = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			th_hist10 = (unsigned long long)(atof(procfile_lineword(ff, l, 3)) * 1000.0);
+			th_hist20 = (unsigned long long)(atof(procfile_lineword(ff, l, 4)) * 1000.0);
+			th_hist30 = (unsigned long long)(atof(procfile_lineword(ff, l, 5)) * 1000.0);
+			th_hist40 = (unsigned long long)(atof(procfile_lineword(ff, l, 6)) * 1000.0);
+			th_hist50 = (unsigned long long)(atof(procfile_lineword(ff, l, 7)) * 1000.0);
+			th_hist60 = (unsigned long long)(atof(procfile_lineword(ff, l, 8)) * 1000.0);
+			th_hist70 = (unsigned long long)(atof(procfile_lineword(ff, l, 9)) * 1000.0);
+			th_hist80 = (unsigned long long)(atof(procfile_lineword(ff, l, 10)) * 1000.0);
+			th_hist90 = (unsigned long long)(atof(procfile_lineword(ff, l, 11)) * 1000.0);
+			th_hist100 = (unsigned long long)(atof(procfile_lineword(ff, l, 12)) * 1000.0);
+
+			// threads histogram has been disabled on recent kernels
+			// http://permalink.gmane.org/gmane.linux.nfs/24528
+			unsigned long long sum = th_hist10 + th_hist20 + th_hist30 + th_hist40 + th_hist50 + th_hist60 + th_hist70 + th_hist80 + th_hist90 + th_hist100;
+			if(sum == 0ULL) {
+				if(!th_warning) {
+					info("Disabling /proc/net/rpc/nfsd threads histogram. It seems unused on this machine. It will be enabled automatically when found with data in it.");
+					th_warning = 1;
+				}
+				do_th = -1;
+			}
+			else do_th = 2;
+		}
+		else if(do_ra == 1 && strcmp(type, "ra") == 0) {
+			if(words < 13) {
+				error("%s line of /proc/net/rpc/nfsd has %d words, expected %d", type, words, 13);
+				continue;
+			}
+
+			ra_size = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			ra_hist10 = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			ra_hist20 = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			ra_hist30 = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+			ra_hist40 = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+			ra_hist50 = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+			ra_hist60 = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+			ra_hist70 = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+			ra_hist80 = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+			ra_hist90 = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+			ra_hist100 = strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+			ra_none = strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+
+			unsigned long long sum = ra_hist10 + ra_hist20 + ra_hist30 + ra_hist40 + ra_hist50 + ra_hist60 + ra_hist70 + ra_hist80 + ra_hist90 + ra_hist100 + ra_none;
+			if(sum == 0ULL) {
+				if(!ra_warning) {
+					info("Disabling /proc/net/rpc/nfsd read ahead histogram. It seems unused on this machine. It will be enabled automatically when found with data in it.");
+					ra_warning = 1;
+				}
+				do_ra = -1;
+			}
+			else do_ra = 2;
+		}
+		else if(do_net == 1 && strcmp(type, "net") == 0) {
+			if(words < 5) {
+				error("%s line of /proc/net/rpc/nfsd has %d words, expected %d", type, words, 5);
+				continue;
+			}
+
+			net_count = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			net_udp_count = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			net_tcp_count = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			net_tcp_connections = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+
+			unsigned long long sum = net_count + net_udp_count + net_tcp_count + net_tcp_connections;
+			if(sum == 0ULL) do_net = -1;
+			else do_net = 2;
+		}
+		else if(do_rpc == 1 && strcmp(type, "rpc") == 0) {
+			if(words < 6) {
+				error("%s line of /proc/net/rpc/nfsd has %d words, expected %d", type, words, 6);
+				continue;
+			}
+
+			rpc_count = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			rpc_bad_format = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			rpc_bad_auth = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			rpc_bad_client = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+
+			unsigned long long sum = rpc_count + rpc_bad_format + rpc_bad_auth + rpc_bad_client;
+			if(sum == 0ULL) do_rpc = -1;
+			else do_rpc = 2;
+		}
+		else if(do_proc2 == 1 && strcmp(type, "proc2") == 0) {
+			// the first number is the count of numbers present
+			// so we start for word 2
+
+			unsigned long long sum = 0;
+			unsigned int i, j;
+			for(i = 0, j = 2; j < words && nfsd_proc_values[i].name[0] ; i++, j++) {
+				nfsd_proc_values[i].proc2 = strtoull(procfile_lineword(ff, l, j), NULL, 10);
+				nfsd_proc_values[i].present2 = 1;
+				sum += nfsd_proc_values[i].proc2;
+			}
+
+			if(sum == 0ULL) {
+				if(!proc2_warning) {
+					error("Disabling /proc/net/rpc/nfsd v2 procedure calls chart. It seems unused on this machine. It will be enabled automatically when found with data in it.");
+					proc2_warning = 1;
+				}
+				do_proc2 = 0;
+			}
+			else do_proc2 = 2;
+		}
+		else if(do_proc3 == 1 && strcmp(type, "proc3") == 0) {
+			// the first number is the count of numbers present
+			// so we start for word 2
+
+			unsigned long long sum = 0;
+			unsigned int i, j;
+			for(i = 0, j = 2; j < words && nfsd_proc_values[i].name[0] ; i++, j++) {
+				nfsd_proc_values[i].proc3 = strtoull(procfile_lineword(ff, l, j), NULL, 10);
+				nfsd_proc_values[i].present3 = 1;
+				sum += nfsd_proc_values[i].proc3;
+			}
+
+			if(sum == 0ULL) {
+				if(!proc3_warning) {
+					info("Disabling /proc/net/rpc/nfsd v3 procedure calls chart. It seems unused on this machine. It will be enabled automatically when found with data in it.");
+					proc3_warning = 1;
+				}
+				do_proc3 = 0;
+			}
+			else do_proc3 = 2;
+		}
+		else if(do_proc4 == 1 && strcmp(type, "proc4") == 0) {
+			// the first number is the count of numbers present
+			// so we start for word 2
+
+			unsigned long long sum = 0;
+			unsigned int i, j;
+			for(i = 0, j = 2; j < words && nfsd_proc_values[i].name[0] ; i++, j++) {
+				nfsd_proc_values[i].proc4 = strtoull(procfile_lineword(ff, l, j), NULL, 10);
+				nfsd_proc_values[i].present4 = 1;
+				sum += nfsd_proc_values[i].proc4;
+			}
+
+			if(sum == 0ULL) {
+				if(!proc4_warning) {
+					info("Disabling /proc/net/rpc/nfsd v4 procedure calls chart. It seems unused on this machine. It will be enabled automatically when found with data in it.");
+					proc4_warning = 1;
+				}
+				do_proc4 = 0;
+			}
+			else do_proc4 = 2;
+		}
+		else if(do_proc4ops == 1 && strcmp(type, "proc4ops") == 0) {
+			// the first number is the count of numbers present
+			// so we start for word 2
+
+			unsigned long long sum = 0;
+			unsigned int i, j;
+			for(i = 0, j = 2; j < words && nfsd4_ops_values[i].name[0] ; i++, j++) {
+				nfsd4_ops_values[i].value = strtoull(procfile_lineword(ff, l, j), NULL, 10);
+				nfsd4_ops_values[i].present = 1;
+				sum += nfsd4_ops_values[i].value;
+			}
+
+			if(sum == 0ULL) {
+				if(!proc4ops_warning) {
+					info("Disabling /proc/net/rpc/nfsd v4 operations chart. It seems unused on this machine. It will be enabled automatically when found with data in it.");
+					proc4ops_warning = 1;
+				}
+				do_proc4ops = 0;
+			}
+			else do_proc4ops = 2;
+		}
+	}
+
+	RRDSET *st;
+
+	// --------------------------------------------------------------------
+
+	if(do_rc == 2) {
+		st = rrdset_find_bytype("nfsd", "readcache");
+		if(!st) {
+			st = rrdset_create("nfsd", "readcache", NULL, "nfsd", NULL, "Read Cache", "reads/s", 5000, update_every, RRDSET_TYPE_STACKED);
+
+			rrddim_add(st, "hits", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "misses", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "nocache", NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "hits", rc_hits);
+		rrddim_set(st, "misses", rc_misses);
+		rrddim_set(st, "nocache", rc_nocache);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_fh == 2) {
+		st = rrdset_find_bytype("nfsd", "filehandles");
+		if(!st) {
+			st = rrdset_create("nfsd", "filehandles", NULL, "nfsd", NULL, "File Handles", "handles/s", 5001, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "stale", NULL, 1, 1, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "total_lookups", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "anonymous_lookups", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "dir_not_in_dcache", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "non_dir_not_in_dcache", NULL, -1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "stale", fh_stale);
+		rrddim_set(st, "total_lookups", fh_total_lookups);
+		rrddim_set(st, "anonymous_lookups", fh_anonymous_lookups);
+		rrddim_set(st, "dir_not_in_dcache", fh_dir_not_in_dcache);
+		rrddim_set(st, "non_dir_not_in_dcache", fh_non_dir_not_in_dcache);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_io == 2) {
+		st = rrdset_find_bytype("nfsd", "io");
+		if(!st) {
+			st = rrdset_create("nfsd", "io", NULL, "nfsd", NULL, "I/O", "kilobytes/s", 5002, update_every, RRDSET_TYPE_AREA);
+
+			rrddim_add(st, "read", NULL, 1, 1000, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "write", NULL, -1, 1000, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "read", io_read);
+		rrddim_set(st, "write", io_write);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_th == 2) {
+		st = rrdset_find_bytype("nfsd", "threads");
+		if(!st) {
+			st = rrdset_create("nfsd", "threads", NULL, "nfsd", NULL, "Threads", "threads", 5003, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "threads", NULL, 1, 1, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "threads", th_threads);
+		rrdset_done(st);
+
+		st = rrdset_find_bytype("nfsd", "threads_fullcnt");
+		if(!st) {
+			st = rrdset_create("nfsd", "threads_fullcnt", NULL, "nfsd", NULL, "Threads Full Count", "ops/s", 5004, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "full_count", NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "full_count", th_fullcnt);
+		rrdset_done(st);
+
+		st = rrdset_find_bytype("nfsd", "threads_histogram");
+		if(!st) {
+			st = rrdset_create("nfsd", "threads_histogram", NULL, "nfsd", NULL, "Threads Usage Histogram", "percentage", 5005, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "0%-10%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "10%-20%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "20%-30%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "30%-40%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "40%-50%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "50%-60%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "60%-70%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "70%-80%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "80%-90%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "90%-100%", NULL, 1, 1000, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "0%-10%", th_hist10);
+		rrddim_set(st, "10%-20%", th_hist20);
+		rrddim_set(st, "20%-30%", th_hist30);
+		rrddim_set(st, "30%-40%", th_hist40);
+		rrddim_set(st, "40%-50%", th_hist50);
+		rrddim_set(st, "50%-60%", th_hist60);
+		rrddim_set(st, "60%-70%", th_hist70);
+		rrddim_set(st, "70%-80%", th_hist80);
+		rrddim_set(st, "80%-90%", th_hist90);
+		rrddim_set(st, "90%-100%", th_hist100);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_ra == 2) {
+		st = rrdset_find_bytype("nfsd", "readahead");
+		if(!st) {
+			st = rrdset_create("nfsd", "readahead", NULL, "nfsd", NULL, "Read Ahead Depth", "percentage", 5005, update_every, RRDSET_TYPE_STACKED);
+
+			rrddim_add(st, "10%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "20%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "30%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "40%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "50%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "60%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "70%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "80%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "90%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "100%", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+			rrddim_add(st, "misses", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+		}
+		else rrdset_next(st);
+
+		// ignore ra_size
+		if(ra_size) {};
+
+		rrddim_set(st, "10%", ra_hist10);
+		rrddim_set(st, "20%", ra_hist20);
+		rrddim_set(st, "30%", ra_hist30);
+		rrddim_set(st, "40%", ra_hist40);
+		rrddim_set(st, "50%", ra_hist50);
+		rrddim_set(st, "60%", ra_hist60);
+		rrddim_set(st, "70%", ra_hist70);
+		rrddim_set(st, "80%", ra_hist80);
+		rrddim_set(st, "90%", ra_hist90);
+		rrddim_set(st, "100%", ra_hist100);
+		rrddim_set(st, "misses", ra_none);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_net == 2) {
+		st = rrdset_find_bytype("nfsd", "net");
+		if(!st) {
+			st = rrdset_create("nfsd", "net", NULL, "nfsd", NULL, "Network Reads", "reads/s", 5007, update_every, RRDSET_TYPE_STACKED);
+			st->isdetail = 1;
+
+			rrddim_add(st, "udp", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "tcp", NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		// ignore net_count, net_tcp_connections
+		if(net_count) {};
+		if(net_tcp_connections) {};
+
+		rrddim_set(st, "udp", net_udp_count);
+		rrddim_set(st, "tcp", net_tcp_count);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_rpc == 2) {
+		st = rrdset_find_bytype("nfsd", "rpc");
+		if(!st) {
+			st = rrdset_create("nfsd", "rpc", NULL, "nfsd", NULL, "Remote Procedure Calls", "calls/s", 5008, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "bad_format", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "bad_auth", NULL, -1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		// ignore rpc_bad_client
+		if(rpc_bad_client) {};
+
+		rrddim_set(st, "all", rpc_count);
+		rrddim_set(st, "bad_format", rpc_bad_format);
+		rrddim_set(st, "bad_auth", rpc_bad_auth);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_proc2 == 2) {
+		unsigned int i;
+		st = rrdset_find_bytype("nfsd", "proc2");
+		if(!st) {
+			st = rrdset_create("nfsd", "proc2", NULL, "nfsd", NULL, "NFS v2 Calls", "calls/s", 5009, update_every, RRDSET_TYPE_STACKED);
+
+			for(i = 0; nfsd_proc_values[i].present2 ; i++)
+				rrddim_add(st, nfsd_proc_values[i].name, NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		for(i = 0; nfsd_proc_values[i].present2 ; i++)
+			rrddim_set(st, nfsd_proc_values[i].name, nfsd_proc_values[i].proc2);
+
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_proc3 == 2) {
+		unsigned int i;
+		st = rrdset_find_bytype("nfsd", "proc3");
+		if(!st) {
+			st = rrdset_create("nfsd", "proc3", NULL, "nfsd", NULL, "NFS v3 Calls", "calls/s", 5010, update_every, RRDSET_TYPE_STACKED);
+
+			for(i = 0; nfsd_proc_values[i].present3 ; i++)
+				rrddim_add(st, nfsd_proc_values[i].name, NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		for(i = 0; nfsd_proc_values[i].present3 ; i++)
+			rrddim_set(st, nfsd_proc_values[i].name, nfsd_proc_values[i].proc3);
+
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_proc4 == 2) {
+		unsigned int i;
+		st = rrdset_find_bytype("nfsd", "proc4");
+		if(!st) {
+			st = rrdset_create("nfsd", "proc4", NULL, "nfsd", NULL, "NFS v4 Calls", "calls/s", 5011, update_every, RRDSET_TYPE_STACKED);
+
+			for(i = 0; nfsd_proc_values[i].present4 ; i++)
+				rrddim_add(st, nfsd_proc_values[i].name, NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		for(i = 0; nfsd_proc_values[i].present4 ; i++)
+			rrddim_set(st, nfsd_proc_values[i].name, nfsd_proc_values[i].proc4);
+
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_proc4ops == 2) {
+		unsigned int i;
+		st = rrdset_find_bytype("nfsd", "proc4ops");
+		if(!st) {
+			st = rrdset_create("nfsd", "proc4ops", NULL, "nfsd", NULL, "NFS v4 Operations", "operations/s", 5012, update_every, RRDSET_TYPE_STACKED);
+
+			for(i = 0; nfsd4_ops_values[i].present ; i++)
+				rrddim_add(st, nfsd4_ops_values[i].name, NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		for(i = 0; nfsd4_ops_values[i].present ; i++)
+			rrddim_set(st, nfsd4_ops_values[i].name, nfsd4_ops_values[i].value);
+
+		rrdset_done(st);
+	}
+
+	return 0;
+}
diff --git a/src/proc_net_snmp.c b/src/proc_net_snmp.c
new file mode 100755
index 00000000..efefbadc
--- /dev/null
+++ b/src/proc_net_snmp.c
@@ -0,0 +1,366 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+#define RRD_TYPE_NET_SNMP			"ipv4"
+#define RRD_TYPE_NET_SNMP_LEN		strlen(RRD_TYPE_NET_SNMP)
+
+int do_proc_net_snmp(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int do_ip_packets = -1, do_ip_fragsout = -1, do_ip_fragsin = -1, do_ip_errors = -1,
+		do_tcp_sockets = -1, do_tcp_packets = -1, do_tcp_errors = -1, do_tcp_handshake = -1,
+		do_udp_packets = -1, do_udp_errors = -1;
+
+	if(do_ip_packets == -1)		do_ip_packets 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 packets", 1);
+	if(do_ip_fragsout == -1)	do_ip_fragsout 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 fragrments sent", 1);
+	if(do_ip_fragsin == -1)		do_ip_fragsin 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 fragments assembly", 1);
+	if(do_ip_errors == -1)		do_ip_errors 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 errors", 1);
+	if(do_tcp_sockets == -1)	do_tcp_sockets 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP connections", 1);
+	if(do_tcp_packets == -1)	do_tcp_packets 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP packets", 1);
+	if(do_tcp_errors == -1)		do_tcp_errors 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP errors", 1);
+	if(do_tcp_handshake == -1)	do_tcp_handshake 	= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP handshake issues", 1);
+	if(do_udp_packets == -1)	do_udp_packets 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDP packets", 1);
+	if(do_udp_errors == -1)		do_udp_errors 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDP errors", 1);
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/snmp");
+		ff = procfile_open(config_get("plugin:proc:/proc/net/snmp", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	RRDSET *st;
+
+	for(l = 0; l < lines ;l++) {
+		if(strcmp(procfile_lineword(ff, l, 0), "Ip") == 0) {
+			l++;
+
+			if(strcmp(procfile_lineword(ff, l, 0), "Ip") != 0) {
+				error("Cannot read Ip line from /proc/net/snmp.");
+				break;
+			}
+
+			words = procfile_linewords(ff, l);
+			if(words < 20) {
+				error("Cannot read /proc/net/snmp Ip line. Expected 20 params, read %d.", words);
+				continue;
+			}
+
+			// see also http://net-snmp.sourceforge.net/docs/mibs/ip.html
+			unsigned long long Forwarding, DefaultTTL, InReceives, InHdrErrors, InAddrErrors, ForwDatagrams, InUnknownProtos, InDiscards, InDelivers,
+				OutRequests, OutDiscards, OutNoRoutes, ReasmTimeout, ReasmReqds, ReasmOKs, ReasmFails, FragOKs, FragFails, FragCreates;
+
+			Forwarding		= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			DefaultTTL		= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			InReceives		= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			InHdrErrors		= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+			InAddrErrors	= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+			ForwDatagrams	= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+			InUnknownProtos	= strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+			InDiscards		= strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+			InDelivers		= strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+			OutRequests		= strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+			OutDiscards		= strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+			OutNoRoutes		= strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+			ReasmTimeout	= strtoull(procfile_lineword(ff, l, 13), NULL, 10);
+			ReasmReqds		= strtoull(procfile_lineword(ff, l, 14), NULL, 10);
+			ReasmOKs		= strtoull(procfile_lineword(ff, l, 15), NULL, 10);
+			ReasmFails		= strtoull(procfile_lineword(ff, l, 16), NULL, 10);
+			FragOKs			= strtoull(procfile_lineword(ff, l, 17), NULL, 10);
+			FragFails		= strtoull(procfile_lineword(ff, l, 18), NULL, 10);
+			FragCreates		= strtoull(procfile_lineword(ff, l, 19), NULL, 10);
+
+			// these are not counters
+			if(Forwarding) {};		// is forwarding enabled?
+			if(DefaultTTL) {};		// the default ttl on packets
+			if(ReasmTimeout) {};	// Reassembly timeout
+
+			// this counter is not used
+			if(InDelivers) {};		// total number of packets delivered to IP user-protocols
+
+			// --------------------------------------------------------------------
+
+			if(do_ip_packets) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".packets");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "packets", NULL, "packets", NULL, "IPv4 Packets", "packets/s", 3000, update_every, RRDSET_TYPE_LINE);
+
+					rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "forwarded", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "sent", OutRequests);
+				rrddim_set(st, "received", InReceives);
+				rrddim_set(st, "forwarded", ForwDatagrams);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_ip_fragsout) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".fragsout");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "fragsout", NULL, "fragments", NULL, "IPv4 Fragments Sent", "packets/s", 3010, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "ok", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "ok", FragOKs);
+				rrddim_set(st, "failed", FragFails);
+				rrddim_set(st, "all", FragCreates);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_ip_fragsin) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".fragsin");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "fragsin", NULL, "fragments", NULL, "IPv4 Fragments Reassembly", "packets/s", 3011, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "ok", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "ok", ReasmOKs);
+				rrddim_set(st, "failed", ReasmFails);
+				rrddim_set(st, "all", ReasmReqds);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_ip_errors) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".errors");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "errors", NULL, "errors", NULL, "IPv4 Errors", "packets/s", 3002, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "InDiscards", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "OutDiscards", NULL, -1, 1, RRDDIM_INCREMENTAL);
+
+					rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "InUnknownProtos", NULL, 1, 1, RRDDIM_INCREMENTAL);
+
+					rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "InDiscards", InDiscards);
+				rrddim_set(st, "OutDiscards", OutDiscards);
+				rrddim_set(st, "InHdrErrors", InHdrErrors);
+				rrddim_set(st, "InAddrErrors", InAddrErrors);
+				rrddim_set(st, "InUnknownProtos", InUnknownProtos);
+				rrddim_set(st, "OutNoRoutes", OutNoRoutes);
+				rrdset_done(st);
+			}
+		}
+		else if(strcmp(procfile_lineword(ff, l, 0), "Tcp") == 0) {
+			l++;
+
+			if(strcmp(procfile_lineword(ff, l, 0), "Tcp") != 0) {
+				error("Cannot read Tcp line from /proc/net/snmp.");
+				break;
+			}
+
+			words = procfile_linewords(ff, l);
+			if(words < 15) {
+				error("Cannot read /proc/net/snmp Tcp line. Expected 15 params, read %d.", words);
+				continue;
+			}
+
+			unsigned long long RtoAlgorithm, RtoMin, RtoMax, MaxConn, ActiveOpens, PassiveOpens, AttemptFails, EstabResets,
+				CurrEstab, InSegs, OutSegs, RetransSegs, InErrs, OutRsts;
+
+			RtoAlgorithm	= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			RtoMin			= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			RtoMax			= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			MaxConn			= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+			ActiveOpens		= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+			PassiveOpens	= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+			AttemptFails	= strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+			EstabResets		= strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+			CurrEstab		= strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+			InSegs			= strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+			OutSegs			= strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+			RetransSegs		= strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+			InErrs			= strtoull(procfile_lineword(ff, l, 13), NULL, 10);
+			OutRsts			= strtoull(procfile_lineword(ff, l, 14), NULL, 10);
+
+			// these are not counters
+			if(RtoAlgorithm) {};
+			if(RtoMin) {};
+			if(RtoMax) {};
+			if(MaxConn) {};
+
+			// --------------------------------------------------------------------
+
+			// see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
+			if(do_tcp_sockets) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".tcpsock");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "tcpsock", NULL, "tcp", NULL, "IPv4 TCP Connections", "active connections", 2500, update_every, RRDSET_TYPE_LINE);
+
+					rrddim_add(st, "connections", NULL, 1, 1, RRDDIM_ABSOLUTE);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "connections", CurrEstab);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_tcp_packets) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".tcppackets");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "tcppackets", NULL, "tcp", NULL, "IPv4 TCP Packets", "packets/s", 2600, update_every, RRDSET_TYPE_LINE);
+
+					rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "received", InSegs);
+				rrddim_set(st, "sent", OutSegs);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_tcp_errors) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".tcperrors");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "tcperrors", NULL, "tcp", NULL, "IPv4 TCP Errors", "packets/s", 2700, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "InErrs", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "RetransSegs", NULL, -1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "InErrs", InErrs);
+				rrddim_set(st, "RetransSegs", RetransSegs);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_tcp_handshake) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".tcphandshake");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "tcphandshake", NULL, "tcp", NULL, "IPv4 TCP Handshake Issues", "events/s", 2900, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "EstabResets", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "OutRsts", NULL, -1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "ActiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "PassiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "AttemptFails", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "EstabResets", EstabResets);
+				rrddim_set(st, "OutRsts", OutRsts);
+				rrddim_set(st, "ActiveOpens", ActiveOpens);
+				rrddim_set(st, "PassiveOpens", PassiveOpens);
+				rrddim_set(st, "AttemptFails", AttemptFails);
+				rrdset_done(st);
+			}
+		}
+		else if(strcmp(procfile_lineword(ff, l, 0), "Udp") == 0) {
+			l++;
+
+			if(strcmp(procfile_lineword(ff, l, 0), "Udp") != 0) {
+				error("Cannot read Udp line from /proc/net/snmp.");
+				break;
+			}
+
+			words = procfile_linewords(ff, l);
+			if(words < 7) {
+				error("Cannot read /proc/net/snmp Udp line. Expected 7 params, read %d.", words);
+				continue;
+			}
+
+			unsigned long long InDatagrams, NoPorts, InErrors, OutDatagrams, RcvbufErrors, SndbufErrors;
+
+			InDatagrams		= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			NoPorts			= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			InErrors		= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			OutDatagrams	= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+			RcvbufErrors	= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+			SndbufErrors	= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+
+			// --------------------------------------------------------------------
+
+			// see http://net-snmp.sourceforge.net/docs/mibs/udp.html
+			if(do_udp_packets) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".udppackets");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "udppackets", NULL, "udp", NULL, "IPv4 UDP Packets", "packets/s", 2601, update_every, RRDSET_TYPE_LINE);
+
+					rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "received", InDatagrams);
+				rrddim_set(st, "sent", OutDatagrams);
+				rrdset_done(st);
+			}
+
+			// --------------------------------------------------------------------
+
+			if(do_udp_errors) {
+				st = rrdset_find(RRD_TYPE_NET_SNMP ".udperrors");
+				if(!st) {
+					st = rrdset_create(RRD_TYPE_NET_SNMP, "udperrors", NULL, "udp", NULL, "IPv4 UDP Errors", "events/s", 2701, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "SndbufErrors", NULL, -1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "InErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
+					rrddim_add(st, "NoPorts", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "InErrors", InErrors);
+				rrddim_set(st, "NoPorts", NoPorts);
+				rrddim_set(st, "RcvbufErrors", RcvbufErrors);
+				rrddim_set(st, "SndbufErrors", SndbufErrors);
+				rrdset_done(st);
+			}
+		}
+	}
+
+	return 0;
+}
+
diff --git a/src/proc_net_stat_conntrack.c b/src/proc_net_stat_conntrack.c
new file mode 100755
index 00000000..912c3eef
--- /dev/null
+++ b/src/proc_net_stat_conntrack.c
@@ -0,0 +1,214 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+#define RRD_TYPE_NET_STAT_CONNTRACK 	"netfilter"
+#define RRD_TYPE_NET_STAT_CONNTRACK_LEN	strlen(RRD_TYPE_NET_STAT_CONNTRACK)
+
+int do_proc_net_stat_conntrack(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int do_sockets = -1, do_new = -1, do_changes = -1, do_expect = -1, do_search = -1, do_errors = -1;
+
+	if(do_sockets == -1)	do_sockets = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter connections", 1);
+	if(do_new == -1)		do_new = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter new connections", 1);
+	if(do_changes == -1)	do_changes = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter connection changes", 1);
+	if(do_expect == -1)		do_expect = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter connection expectations", 1);
+	if(do_search == -1)		do_search = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter connection searches", 1);
+	if(do_errors == -1)		do_errors = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter errors", 1);
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/stat/nf_conntrack");
+		ff = procfile_open(config_get("plugin:proc:/proc/net/stat/nf_conntrack", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	unsigned long long aentries = 0, asearched = 0, afound = 0, anew = 0, ainvalid = 0, aignore = 0, adelete = 0, adelete_list = 0,
+		ainsert = 0, ainsert_failed = 0, adrop = 0, aearly_drop = 0, aicmp_error = 0, aexpect_new = 0, aexpect_create = 0, aexpect_delete = 0, asearch_restart = 0;
+
+	for(l = 1; l < lines ;l++) {
+		words = procfile_linewords(ff, l);
+		if(words < 17) {
+			if(words) error("Cannot read /proc/net/stat/nf_conntrack line. Expected 17 params, read %d.", words);
+			continue;
+		}
+
+		unsigned long long tentries = 0, tsearched = 0, tfound = 0, tnew = 0, tinvalid = 0, tignore = 0, tdelete = 0, tdelete_list = 0, tinsert = 0, tinsert_failed = 0, tdrop = 0, tearly_drop = 0, ticmp_error = 0, texpect_new = 0, texpect_create = 0, texpect_delete = 0, tsearch_restart = 0;
+
+		tentries		= strtoull(procfile_lineword(ff, l, 0), NULL, 16);
+		tsearched		= strtoull(procfile_lineword(ff, l, 1), NULL, 16);
+		tfound			= strtoull(procfile_lineword(ff, l, 2), NULL, 16);
+		tnew			= strtoull(procfile_lineword(ff, l, 3), NULL, 16);
+		tinvalid		= strtoull(procfile_lineword(ff, l, 4), NULL, 16);
+		tignore			= strtoull(procfile_lineword(ff, l, 5), NULL, 16);
+		tdelete			= strtoull(procfile_lineword(ff, l, 6), NULL, 16);
+		tdelete_list	= strtoull(procfile_lineword(ff, l, 7), NULL, 16);
+		tinsert			= strtoull(procfile_lineword(ff, l, 8), NULL, 16);
+		tinsert_failed	= strtoull(procfile_lineword(ff, l, 9), NULL, 16);
+		tdrop			= strtoull(procfile_lineword(ff, l, 10), NULL, 16);
+		tearly_drop		= strtoull(procfile_lineword(ff, l, 11), NULL, 16);
+		ticmp_error		= strtoull(procfile_lineword(ff, l, 12), NULL, 16);
+		texpect_new		= strtoull(procfile_lineword(ff, l, 13), NULL, 16);
+		texpect_create	= strtoull(procfile_lineword(ff, l, 14), NULL, 16);
+		texpect_delete	= strtoull(procfile_lineword(ff, l, 15), NULL, 16);
+		tsearch_restart	= strtoull(procfile_lineword(ff, l, 16), NULL, 16);
+
+		if(!aentries) aentries =  tentries;
+
+		// sum all the cpus together
+		asearched 			+= tsearched;		// conntrack.search
+		afound 				+= tfound;			// conntrack.search
+		anew 				+= tnew;			// conntrack.new
+		ainvalid 			+= tinvalid;		// conntrack.new
+		aignore 			+= tignore;			// conntrack.new
+		adelete 			+= tdelete;			// conntrack.changes
+		adelete_list 		+= tdelete_list;	// conntrack.changes
+		ainsert 			+= tinsert;			// conntrack.changes
+		ainsert_failed 		+= tinsert_failed;	// conntrack.errors
+		adrop 				+= tdrop;			// conntrack.errors
+		aearly_drop 		+= tearly_drop;		// conntrack.errors
+		aicmp_error 		+= ticmp_error;		// conntrack.errors
+		aexpect_new 		+= texpect_new;		// conntrack.expect
+		aexpect_create 		+= texpect_create;	// conntrack.expect
+		aexpect_delete 		+= texpect_delete;	// conntrack.expect
+		asearch_restart 	+= tsearch_restart;	// conntrack.search
+	}
+
+	RRDSET *st;
+
+	// --------------------------------------------------------------------
+
+	if(do_sockets) {
+		st = rrdset_find(RRD_TYPE_NET_STAT_CONNTRACK ".sockets");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_STAT_CONNTRACK, "sockets", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Netfilter Connections", "active connections", 1000, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "connections", NULL, 1, 1, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "connections", aentries);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_new) {
+		st = rrdset_find(RRD_TYPE_NET_STAT_CONNTRACK ".new");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_STAT_CONNTRACK, "new", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Netfilter New Connections", "connections/s", 1001, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "new", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "ignore", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "invalid", NULL, -1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "new", anew);
+		rrddim_set(st, "ignore", aignore);
+		rrddim_set(st, "invalid", ainvalid);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_changes) {
+		st = rrdset_find(RRD_TYPE_NET_STAT_CONNTRACK ".changes");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_STAT_CONNTRACK, "changes", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Netfilter Connection Changes", "changes/s", 1002, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "inserted", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "deleted", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "delete_list", NULL, -1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "inserted", ainsert);
+		rrddim_set(st, "deleted", adelete);
+		rrddim_set(st, "delete_list", adelete_list);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_expect) {
+		st = rrdset_find(RRD_TYPE_NET_STAT_CONNTRACK ".expect");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_STAT_CONNTRACK, "expect", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Netfilter Connection Expectations", "expectations/s", 1003, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "created", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "deleted", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "new", NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "created", aexpect_create);
+		rrddim_set(st, "deleted", aexpect_delete);
+		rrddim_set(st, "new", aexpect_new);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_search) {
+		st = rrdset_find(RRD_TYPE_NET_STAT_CONNTRACK ".search");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_STAT_CONNTRACK, "search", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Netfilter Connection Searches", "searches/s", 1010, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "searched", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "restarted", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "found", NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "searched", asearched);
+		rrddim_set(st, "restarted", asearch_restart);
+		rrddim_set(st, "found", afound);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_errors) {
+		st = rrdset_find(RRD_TYPE_NET_STAT_CONNTRACK ".errors");
+		if(!st) {
+			st = rrdset_create(RRD_TYPE_NET_STAT_CONNTRACK, "errors", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Netfilter Errors", "events/s", 1005, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "icmp_error", NULL, 1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "insert_failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "drop", NULL, -1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st, "early_drop", NULL, -1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "icmp_error", aicmp_error);
+		rrddim_set(st, "insert_failed", ainsert_failed);
+		rrddim_set(st, "drop", adrop);
+		rrddim_set(st, "early_drop", aearly_drop);
+		rrdset_done(st);
+	}
+
+	return 0;
+}
diff --git a/src/proc_softirqs.c b/src/proc_softirqs.c
new file mode 100755
index 00000000..9373baae
--- /dev/null
+++ b/src/proc_softirqs.c
@@ -0,0 +1,160 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "common.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+#include "log.h"
+
+#define MAX_INTERRUPTS 256
+#define MAX_INTERRUPT_CPUS 256
+#define MAX_INTERRUPT_NAME 50
+
+struct interrupt {
+	int used;
+	char *id;
+	char name[MAX_INTERRUPT_NAME + 1];
+	unsigned long long value[MAX_INTERRUPT_CPUS];
+	unsigned long long total;
+};
+
+int do_proc_softirqs(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int cpus = -1, do_per_core = -1;
+
+	if(dt) {};
+
+	if(do_per_core == -1) do_per_core = config_get_boolean("plugin:proc:/proc/softirqs", "interrupts per core", 1);
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/softirqs");
+		ff = procfile_open(config_get("plugin:proc:/proc/softirqs", "filename to monitor", filename), " \t", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words = procfile_linewords(ff, 0), w;
+
+	// find how many CPUs are there
+	if(cpus == -1) {
+		cpus = 0;
+		for(w = 0; w < words ; w++) {
+			if(strncmp(procfile_lineword(ff, 0, w), "CPU", 3) == 0)
+				cpus++;
+		}
+
+		if(cpus > MAX_INTERRUPT_CPUS) cpus = MAX_INTERRUPT_CPUS;
+	}
+
+	if(!cpus) {
+		error("PLUGIN: PROC_SOFTIRQS: Cannot find the number of CPUs in /proc/softirqs");
+		return 1;
+	}
+
+	// allocate the size we need;
+	struct interrupt irrs[lines];
+	irrs[0].used = 0;
+
+	// loop through all lines
+	for(l = 1; l < lines ;l++) {
+		struct interrupt *irr = &irrs[l];
+		irr->used = 0;
+		irr->total = 0;
+
+		words = procfile_linewords(ff, l);
+		if(!words) continue;
+
+		irr->id = procfile_lineword(ff, l, 0);
+		if(!irr->id || !irr->id[0]) continue;
+
+		int idlen = strlen(irr->id);
+		if(irr->id[idlen - 1] == ':')
+			irr->id[idlen - 1] = '\0';
+
+		int c;
+		for(c = 0; c < cpus ;c++) {
+			if((c + 1) < (int)words)
+				irr->value[c] = strtoull(procfile_lineword(ff, l, (uint32_t)(c + 1)), NULL, 10);
+			else
+				irr->value[c] = 0;
+
+			irr->total += irr->value[c];
+		}
+
+		strncpy(irr->name, irr->id, MAX_INTERRUPT_NAME);
+		irr->name[MAX_INTERRUPT_NAME] = '\0';
+
+		irr->used = 1;
+	}
+
+	RRDSET *st;
+
+	// --------------------------------------------------------------------
+
+	st = rrdset_find_bytype("system", "softirqs");
+	if(!st) {
+		st = rrdset_create("system", "softirqs", NULL, "softirqs", NULL, "System softirqs", "softirqs/s", 950, update_every, RRDSET_TYPE_STACKED);
+
+		for(l = 0; l < lines ;l++) {
+			if(!irrs[l].used) continue;
+			rrddim_add(st, irrs[l].id, irrs[l].name, 1, 1, RRDDIM_INCREMENTAL);
+		}
+	}
+	else rrdset_next(st);
+
+	for(l = 0; l < lines ;l++) {
+		if(!irrs[l].used) continue;
+		rrddim_set(st, irrs[l].id, irrs[l].total);
+	}
+	rrdset_done(st);
+
+	if(do_per_core) {
+		int c;
+
+		for(c = 0; c < cpus ; c++) {
+			char id[256];
+			snprintf(id, 256, "cpu%d_softirqs", c);
+
+			st = rrdset_find_bytype("cpu", id);
+			if(!st) {
+				// find if everything is zero
+				unsigned long long core_sum = 0 ;
+				for(l = 0; l < lines ;l++) {
+					if(!irrs[l].used) continue;
+					core_sum += irrs[l].value[c];
+				}
+				if(core_sum == 0) continue; // try next core
+
+				char name[256], title[256];
+				snprintf(name, 256, "cpu%d_softirqs", c);
+				snprintf(title, 256, "CPU%d softirqs", c);
+				st = rrdset_create("cpu", id, name, "softirqs", "cpu.softirqs", title, "softirqs/s", 3000 + c, update_every, RRDSET_TYPE_STACKED);
+
+				for(l = 0; l < lines ;l++) {
+					if(!irrs[l].used) continue;
+					rrddim_add(st, irrs[l].id, irrs[l].name, 1, 1, RRDDIM_INCREMENTAL);
+				}
+			}
+			else rrdset_next(st);
+
+			for(l = 0; l < lines ;l++) {
+				if(!irrs[l].used) continue;
+				rrddim_set(st, irrs[l].id, irrs[l].value[c]);
+			}
+			rrdset_done(st);
+		}
+	}
+
+	return 0;
+}
diff --git a/src/proc_stat.c b/src/proc_stat.c
new file mode 100755
index 00000000..3d090ed7
--- /dev/null
+++ b/src/proc_stat.c
@@ -0,0 +1,204 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+#define RRD_TYPE_STAT 				"cpu"
+#define RRD_TYPE_STAT_LEN			strlen(RRD_TYPE_STAT)
+
+int do_proc_stat(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int do_cpu = -1, do_cpu_cores = -1, do_interrupts = -1, do_context = -1, do_forks = -1, do_processes = -1;
+
+	if(do_cpu == -1)		do_cpu 			= config_get_boolean("plugin:proc:/proc/stat", "cpu utilization", 1);
+	if(do_cpu_cores == -1)	do_cpu_cores 	= config_get_boolean("plugin:proc:/proc/stat", "per cpu core utilization", 1);
+	if(do_interrupts == -1)	do_interrupts 	= config_get_boolean("plugin:proc:/proc/stat", "cpu interrupts", 1);
+	if(do_context == -1)	do_context 		= config_get_boolean("plugin:proc:/proc/stat", "context switches", 1);
+	if(do_forks == -1)		do_forks 		= config_get_boolean("plugin:proc:/proc/stat", "processes started", 1);
+	if(do_processes == -1)	do_processes 	= config_get_boolean("plugin:proc:/proc/stat", "processes running", 1);
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/stat");
+		ff = procfile_open(config_get("plugin:proc:/proc/stat", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	unsigned long long processes = 0, running = 0 , blocked = 0;
+	RRDSET *st;
+
+	for(l = 0; l < lines ;l++) {
+		if(strncmp(procfile_lineword(ff, l, 0), "cpu", 3) == 0) {
+			words = procfile_linewords(ff, l);
+			if(words < 10) {
+				error("Cannot read /proc/stat cpu line. Expected 10 params, read %d.", words);
+				continue;
+			}
+
+			char *id;
+			unsigned long long user = 0, nice = 0, system = 0, idle = 0, iowait = 0, irq = 0, softirq = 0, steal = 0, guest = 0, guest_nice = 0;
+
+			id			= procfile_lineword(ff, l, 0);
+			user		= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+			nice		= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+			system		= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+			idle		= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+			iowait		= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+			irq			= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+			softirq		= strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+			steal		= strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+			guest		= strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+			if(words >= 11) guest_nice	= strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+
+			char *title = "Core utilization";
+			char *type = RRD_TYPE_STAT;
+			char *context = "cpu.cpu";
+			char *family = "utilization";
+			long priority = 1000;
+			int isthistotal = 0;
+
+			if(strcmp(id, "cpu") == 0) {
+				isthistotal = 1;
+				type = "system";
+				title = "Total CPU utilization";
+				context = "system.cpu";
+				family = id;
+				priority = 100;
+			}
+
+			if((isthistotal && do_cpu) || (!isthistotal && do_cpu_cores)) {
+				st = rrdset_find_bytype(type, id);
+				if(!st) {
+					st = rrdset_create(type, id, NULL, family, context, title, "percentage", priority, update_every, RRDSET_TYPE_STACKED);
+
+					long multiplier = 1;
+					long divisor = 1; // sysconf(_SC_CLK_TCK);
+
+					rrddim_add(st, "guest_nice", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_add(st, "guest", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_add(st, "steal", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_add(st, "softirq", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_add(st, "irq", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_add(st, "user", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_add(st, "system", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_add(st, "nice", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_add(st, "iowait", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+
+					rrddim_add(st, "idle", NULL, multiplier, divisor, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+					rrddim_hide(st, "idle");
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "user", user);
+				rrddim_set(st, "nice", nice);
+				rrddim_set(st, "system", system);
+				rrddim_set(st, "idle", idle);
+				rrddim_set(st, "iowait", iowait);
+				rrddim_set(st, "irq", irq);
+				rrddim_set(st, "softirq", softirq);
+				rrddim_set(st, "steal", steal);
+				rrddim_set(st, "guest", guest);
+				rrddim_set(st, "guest_nice", guest_nice);
+				rrdset_done(st);
+			}
+		}
+		else if(strcmp(procfile_lineword(ff, l, 0), "intr") == 0) {
+			unsigned long long value = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+
+			// --------------------------------------------------------------------
+
+			if(do_interrupts) {
+				st = rrdset_find_bytype("system", "intr");
+				if(!st) {
+					st = rrdset_create("system", "intr", NULL, "interrupts", NULL, "CPU Interrupts", "interrupts/s", 900, update_every, RRDSET_TYPE_LINE);
+					st->isdetail = 1;
+
+					rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "interrupts", value);
+				rrdset_done(st);
+			}
+		}
+		else if(strcmp(procfile_lineword(ff, l, 0), "ctxt") == 0) {
+			unsigned long long value = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+
+			// --------------------------------------------------------------------
+
+			if(do_context) {
+				st = rrdset_find_bytype("system", "ctxt");
+				if(!st) {
+					st = rrdset_create("system", "ctxt", NULL, "processes", NULL, "CPU Context Switches", "context switches/s", 800, update_every, RRDSET_TYPE_LINE);
+
+					rrddim_add(st, "switches", NULL, 1, 1, RRDDIM_INCREMENTAL);
+				}
+				else rrdset_next(st);
+
+				rrddim_set(st, "switches", value);
+				rrdset_done(st);
+			}
+		}
+		else if(!processes && strcmp(procfile_lineword(ff, l, 0), "processes") == 0) {
+			processes = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+		}
+		else if(!running && strcmp(procfile_lineword(ff, l, 0), "procs_running") == 0) {
+			running = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+		}
+		else if(!blocked && strcmp(procfile_lineword(ff, l, 0), "procs_blocked") == 0) {
+			blocked = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_forks) {
+		st = rrdset_find_bytype("system", "forks");
+		if(!st) {
+			st = rrdset_create("system", "forks", NULL, "processes", NULL, "Started Processes", "processes/s", 700, update_every, RRDSET_TYPE_LINE);
+			st->isdetail = 1;
+
+			rrddim_add(st, "started", NULL, 1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "started", processes);
+		rrdset_done(st);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_processes) {
+		st = rrdset_find_bytype("system", "processes");
+		if(!st) {
+			st = rrdset_create("system", "processes", NULL, "processes", NULL, "System Processes", "processes", 600, update_every, RRDSET_TYPE_LINE);
+
+			rrddim_add(st, "running", NULL, 1, 1, RRDDIM_ABSOLUTE);
+			rrddim_add(st, "blocked", NULL, -1, 1, RRDDIM_ABSOLUTE);
+		}
+		else rrdset_next(st);
+
+		rrddim_set(st, "running", running);
+		rrddim_set(st, "blocked", blocked);
+		rrdset_done(st);
+	}
+
+	return 0;
+}
diff --git a/src/proc_sys_kernel_random_entropy_avail.c b/src/proc_sys_kernel_random_entropy_avail.c
new file mode 100755
index 00000000..be9070ac
--- /dev/null
+++ b/src/proc_sys_kernel_random_entropy_avail.c
@@ -0,0 +1,41 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "common.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+int do_proc_sys_kernel_random_entropy_avail(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+
+	if(dt) {} ;
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/sys/kernel/random/entropy_avail");
+		ff = procfile_open(config_get("plugin:proc:/proc/sys/kernel/random/entropy_avail", "filename to monitor", filename), "", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	unsigned long long entropy = strtoull(procfile_lineword(ff, 0, 0), NULL, 10);
+
+	RRDSET *st = rrdset_find_bytype("system", "entropy");
+	if(!st) {
+		st = rrdset_create("system", "entropy", NULL, "entropy", NULL, "Available Entropy", "entropy", 1000, update_every, RRDSET_TYPE_LINE);
+		rrddim_add(st, "entropy", NULL, 1, 1, RRDDIM_ABSOLUTE);
+	}
+	else rrdset_next(st);
+
+	rrddim_set(st, "entropy", entropy);
+	rrdset_done(st);
+
+	return 0;
+}
diff --git a/src/proc_vmstat.c b/src/proc_vmstat.c
new file mode 100755
index 00000000..46ddbae7
--- /dev/null
+++ b/src/proc_vmstat.c
@@ -0,0 +1,486 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+#define MAX_PROC_VMSTAT_LINE 4096
+#define MAX_PROC_VMSTAT_NAME 1024
+
+int do_proc_vmstat(int update_every, unsigned long long dt) {
+	static procfile *ff = NULL;
+	static int do_swapio = -1, do_io = -1, do_pgfaults = -1, gen_hashes = -1;
+
+	// static uint32_t hash_allocstall = -1;
+	// static uint32_t hash_compact_blocks_moved = -1;
+	// static uint32_t hash_compact_fail = -1;
+	// static uint32_t hash_compact_pagemigrate_failed = -1;
+	// static uint32_t hash_compact_pages_moved = -1;
+	// static uint32_t hash_compact_stall = -1;
+	// static uint32_t hash_compact_success = -1;
+	// static uint32_t hash_htlb_buddy_alloc_fail = -1;
+	// static uint32_t hash_htlb_buddy_alloc_success = -1;
+	// static uint32_t hash_kswapd_high_wmark_hit_quickly = -1;
+	// static uint32_t hash_kswapd_inodesteal = -1;
+	// static uint32_t hash_kswapd_low_wmark_hit_quickly = -1;
+	// static uint32_t hash_kswapd_skip_congestion_wait = -1;
+	// static uint32_t hash_nr_active_anon = -1;
+	// static uint32_t hash_nr_active_file = -1;
+	// static uint32_t hash_nr_anon_pages = -1;
+	// static uint32_t hash_nr_anon_transparent_hugepages = -1;
+	// static uint32_t hash_nr_bounce = -1;
+	// static uint32_t hash_nr_dirtied = -1;
+	// static uint32_t hash_nr_dirty = -1;
+	// static uint32_t hash_nr_dirty_background_threshold = -1;
+	// static uint32_t hash_nr_dirty_threshold = -1;
+	// static uint32_t hash_nr_file_pages = -1;
+	// static uint32_t hash_nr_free_pages = -1;
+	// static uint32_t hash_nr_inactive_anon = -1;
+	// static uint32_t hash_nr_inactive_file = -1;
+	// static uint32_t hash_nr_isolated_anon = -1;
+	// static uint32_t hash_nr_isolated_file = -1;
+	// static uint32_t hash_nr_kernel_stack = -1;
+	// static uint32_t hash_nr_mapped = -1;
+	// static uint32_t hash_nr_mlock = -1;
+	// static uint32_t hash_nr_page_table_pages = -1;
+	// static uint32_t hash_nr_shmem = -1;
+	// static uint32_t hash_nr_slab_reclaimable = -1;
+	// static uint32_t hash_nr_slab_unreclaimable = -1;
+	// static uint32_t hash_nr_unevictable = -1;
+	// static uint32_t hash_nr_unstable = -1;
+	// static uint32_t hash_nr_vmscan_immediate_reclaim = -1;
+	// static uint32_t hash_nr_vmscan_write = -1;
+	// static uint32_t hash_nr_writeback = -1;
+	// static uint32_t hash_nr_writeback_temp = -1;
+	// static uint32_t hash_nr_written = -1;
+	// static uint32_t hash_pageoutrun = -1;
+	// static uint32_t hash_pgactivate = -1;
+	// static uint32_t hash_pgalloc_dma = -1;
+	// static uint32_t hash_pgalloc_dma32 = -1;
+	// static uint32_t hash_pgalloc_movable = -1;
+	// static uint32_t hash_pgalloc_normal = -1;
+	// static uint32_t hash_pgdeactivate = -1;
+	static uint32_t hash_pgfault = -1;
+	// static uint32_t hash_pgfree = -1;
+	// static uint32_t hash_pginodesteal = -1;
+	static uint32_t hash_pgmajfault = -1;
+	static uint32_t hash_pgpgin = -1;
+	static uint32_t hash_pgpgout = -1;
+	// static uint32_t hash_pgrefill_dma = -1;
+	// static uint32_t hash_pgrefill_dma32 = -1;
+	// static uint32_t hash_pgrefill_movable = -1;
+	// static uint32_t hash_pgrefill_normal = -1;
+	// static uint32_t hash_pgrotated = -1;
+	// static uint32_t hash_pgscan_direct_dma = -1;
+	// static uint32_t hash_pgscan_direct_dma32 = -1;
+	// static uint32_t hash_pgscan_direct_movable = -1;
+	// static uint32_t hash_pgscan_direct_normal = -1;
+	// static uint32_t hash_pgscan_kswapd_dma = -1;
+	// static uint32_t hash_pgscan_kswapd_dma32 = -1;
+	// static uint32_t hash_pgscan_kswapd_movable = -1;
+	// static uint32_t hash_pgscan_kswapd_normal = -1;
+	// static uint32_t hash_pgsteal_direct_dma = -1;
+	// static uint32_t hash_pgsteal_direct_dma32 = -1;
+	// static uint32_t hash_pgsteal_direct_movable = -1;
+	// static uint32_t hash_pgsteal_direct_normal = -1;
+	// static uint32_t hash_pgsteal_kswapd_dma = -1;
+	// static uint32_t hash_pgsteal_kswapd_dma32 = -1;
+	// static uint32_t hash_pgsteal_kswapd_movable = -1;
+	// static uint32_t hash_pgsteal_kswapd_normal = -1;
+	static uint32_t hash_pswpin = -1;
+	static uint32_t hash_pswpout = -1;
+	// static uint32_t hash_slabs_scanned = -1;
+	// static uint32_t hash_thp_collapse_alloc = -1;
+	// static uint32_t hash_thp_collapse_alloc_failed = -1;
+	// static uint32_t hash_thp_fault_alloc = -1;
+	// static uint32_t hash_thp_fault_fallback = -1;
+	// static uint32_t hash_thp_split = -1;
+	// static uint32_t hash_unevictable_pgs_cleared = -1;
+	// static uint32_t hash_unevictable_pgs_culled = -1;
+	// static uint32_t hash_unevictable_pgs_mlocked = -1;
+	// static uint32_t hash_unevictable_pgs_mlockfreed = -1;
+	// static uint32_t hash_unevictable_pgs_munlocked = -1;
+	// static uint32_t hash_unevictable_pgs_rescued = -1;
+	// static uint32_t hash_unevictable_pgs_scanned = -1;
+	// static uint32_t hash_unevictable_pgs_stranded = -1;
+
+	if(gen_hashes != 1) {
+		gen_hashes = 1;
+		// hash_allocstall = simple_hash("allocstall");
+		// hash_compact_blocks_moved = simple_hash("compact_blocks_moved");
+		// hash_compact_fail = simple_hash("compact_fail");
+		// hash_compact_pagemigrate_failed = simple_hash("compact_pagemigrate_failed");
+		// hash_compact_pages_moved = simple_hash("compact_pages_moved");
+		// hash_compact_stall = simple_hash("compact_stall");
+		// hash_compact_success = simple_hash("compact_success");
+		// hash_htlb_buddy_alloc_fail = simple_hash("htlb_buddy_alloc_fail");
+		// hash_htlb_buddy_alloc_success = simple_hash("htlb_buddy_alloc_success");
+		// hash_kswapd_high_wmark_hit_quickly = simple_hash("kswapd_high_wmark_hit_quickly");
+		// hash_kswapd_inodesteal = simple_hash("kswapd_inodesteal");
+		// hash_kswapd_low_wmark_hit_quickly = simple_hash("kswapd_low_wmark_hit_quickly");
+		// hash_kswapd_skip_congestion_wait = simple_hash("kswapd_skip_congestion_wait");
+		// hash_nr_active_anon = simple_hash("nr_active_anon");
+		// hash_nr_active_file = simple_hash("nr_active_file");
+		// hash_nr_anon_pages = simple_hash("nr_anon_pages");
+		// hash_nr_anon_transparent_hugepages = simple_hash("nr_anon_transparent_hugepages");
+		// hash_nr_bounce = simple_hash("nr_bounce");
+		// hash_nr_dirtied = simple_hash("nr_dirtied");
+		// hash_nr_dirty = simple_hash("nr_dirty");
+		// hash_nr_dirty_background_threshold = simple_hash("nr_dirty_background_threshold");
+		// hash_nr_dirty_threshold = simple_hash("nr_dirty_threshold");
+		// hash_nr_file_pages = simple_hash("nr_file_pages");
+		// hash_nr_free_pages = simple_hash("nr_free_pages");
+		// hash_nr_inactive_anon = simple_hash("nr_inactive_anon");
+		// hash_nr_inactive_file = simple_hash("nr_inactive_file");
+		// hash_nr_isolated_anon = simple_hash("nr_isolated_anon");
+		// hash_nr_isolated_file = simple_hash("nr_isolated_file");
+		// hash_nr_kernel_stack = simple_hash("nr_kernel_stack");
+		// hash_nr_mapped = simple_hash("nr_mapped");
+		// hash_nr_mlock = simple_hash("nr_mlock");
+		// hash_nr_page_table_pages = simple_hash("nr_page_table_pages");
+		// hash_nr_shmem = simple_hash("nr_shmem");
+		// hash_nr_slab_reclaimable = simple_hash("nr_slab_reclaimable");
+		// hash_nr_slab_unreclaimable = simple_hash("nr_slab_unreclaimable");
+		// hash_nr_unevictable = simple_hash("nr_unevictable");
+		// hash_nr_unstable = simple_hash("nr_unstable");
+		// hash_nr_vmscan_immediate_reclaim = simple_hash("nr_vmscan_immediate_reclaim");
+		// hash_nr_vmscan_write = simple_hash("nr_vmscan_write");
+		// hash_nr_writeback = simple_hash("nr_writeback");
+		// hash_nr_writeback_temp = simple_hash("nr_writeback_temp");
+		// hash_nr_written = simple_hash("nr_written");
+		// hash_pageoutrun = simple_hash("pageoutrun");
+		// hash_pgactivate = simple_hash("pgactivate");
+		// hash_pgalloc_dma = simple_hash("pgalloc_dma");
+		// hash_pgalloc_dma32 = simple_hash("pgalloc_dma32");
+		// hash_pgalloc_movable = simple_hash("pgalloc_movable");
+		// hash_pgalloc_normal = simple_hash("pgalloc_normal");
+		// hash_pgdeactivate = simple_hash("pgdeactivate");
+		hash_pgfault = simple_hash("pgfault");
+		// hash_pgfree = simple_hash("pgfree");
+		// hash_pginodesteal = simple_hash("pginodesteal");
+		hash_pgmajfault = simple_hash("pgmajfault");
+		hash_pgpgin = simple_hash("pgpgin");
+		hash_pgpgout = simple_hash("pgpgout");
+		// hash_pgrefill_dma = simple_hash("pgrefill_dma");
+		// hash_pgrefill_dma32 = simple_hash("pgrefill_dma32");
+		// hash_pgrefill_movable = simple_hash("pgrefill_movable");
+		// hash_pgrefill_normal = simple_hash("pgrefill_normal");
+		// hash_pgrotated = simple_hash("pgrotated");
+		// hash_pgscan_direct_dma = simple_hash("pgscan_direct_dma");
+		// hash_pgscan_direct_dma32 = simple_hash("pgscan_direct_dma32");
+		// hash_pgscan_direct_movable = simple_hash("pgscan_direct_movable");
+		// hash_pgscan_direct_normal = simple_hash("pgscan_direct_normal");
+		// hash_pgscan_kswapd_dma = simple_hash("pgscan_kswapd_dma");
+		// hash_pgscan_kswapd_dma32 = simple_hash("pgscan_kswapd_dma32");
+		// hash_pgscan_kswapd_movable = simple_hash("pgscan_kswapd_movable");
+		// hash_pgscan_kswapd_normal = simple_hash("pgscan_kswapd_normal");
+		// hash_pgsteal_direct_dma = simple_hash("pgsteal_direct_dma");
+		// hash_pgsteal_direct_dma32 = simple_hash("pgsteal_direct_dma32");
+		// hash_pgsteal_direct_movable = simple_hash("pgsteal_direct_movable");
+		// hash_pgsteal_direct_normal = simple_hash("pgsteal_direct_normal");
+		// hash_pgsteal_kswapd_dma = simple_hash("pgsteal_kswapd_dma");
+		// hash_pgsteal_kswapd_dma32 = simple_hash("pgsteal_kswapd_dma32");
+		// hash_pgsteal_kswapd_movable = simple_hash("pgsteal_kswapd_movable");
+		// hash_pgsteal_kswapd_normal = simple_hash("pgsteal_kswapd_normal");
+		hash_pswpin = simple_hash("pswpin");
+		hash_pswpout = simple_hash("pswpout");
+		// hash_slabs_scanned = simple_hash("slabs_scanned");
+		// hash_thp_collapse_alloc = simple_hash("thp_collapse_alloc");
+		// hash_thp_collapse_alloc_failed = simple_hash("thp_collapse_alloc_failed");
+		// hash_thp_fault_alloc = simple_hash("thp_fault_alloc");
+		// hash_thp_fault_fallback = simple_hash("thp_fault_fallback");
+		// hash_thp_split = simple_hash("thp_split");
+		// hash_unevictable_pgs_cleared = simple_hash("unevictable_pgs_cleared");
+		// hash_unevictable_pgs_culled = simple_hash("unevictable_pgs_culled");
+		// hash_unevictable_pgs_mlocked = simple_hash("unevictable_pgs_mlocked");
+		// hash_unevictable_pgs_mlockfreed = simple_hash("unevictable_pgs_mlockfreed");
+		// hash_unevictable_pgs_munlocked = simple_hash("unevictable_pgs_munlocked");
+		// hash_unevictable_pgs_rescued = simple_hash("unevictable_pgs_rescued");
+		// hash_unevictable_pgs_scanned = simple_hash("unevictable_pgs_scanned");
+		// hash_unevictable_pgs_stranded = simple_hash("unevictable_pgs_stranded");
+	}
+
+	if(do_swapio == -1)	do_swapio = config_get_boolean("plugin:proc:/proc/vmstat", "swap i/o", 1);
+	if(do_io == -1)		do_io = config_get_boolean("plugin:proc:/proc/vmstat", "disk i/o", 1);
+	if(do_pgfaults == -1)	do_pgfaults = config_get_boolean("plugin:proc:/proc/vmstat", "memory page faults", 1);
+
+	if(dt) {};
+
+	if(!ff) {
+		char filename[FILENAME_MAX + 1];
+		snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/vmstat");
+		ff = procfile_open(config_get("plugin:proc:/proc/vmstat", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+	if(!ff) return 1;
+
+	ff = procfile_readall(ff);
+	if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words;
+
+	// unsigned long long allocstall = 0ULL;
+	// unsigned long long compact_blocks_moved = 0ULL;
+	// unsigned long long compact_fail = 0ULL;
+	// unsigned long long compact_pagemigrate_failed = 0ULL;
+	// unsigned long long compact_pages_moved = 0ULL;
+	// unsigned long long compact_stall = 0ULL;
+	// unsigned long long compact_success = 0ULL;
+	// unsigned long long htlb_buddy_alloc_fail = 0ULL;
+	// unsigned long long htlb_buddy_alloc_success = 0ULL;
+	// unsigned long long kswapd_high_wmark_hit_quickly = 0ULL;
+	// unsigned long long kswapd_inodesteal = 0ULL;
+	// unsigned long long kswapd_low_wmark_hit_quickly = 0ULL;
+	// unsigned long long kswapd_skip_congestion_wait = 0ULL;
+	// unsigned long long nr_active_anon = 0ULL;
+	// unsigned long long nr_active_file = 0ULL;
+	// unsigned long long nr_anon_pages = 0ULL;
+	// unsigned long long nr_anon_transparent_hugepages = 0ULL;
+	// unsigned long long nr_bounce = 0ULL;
+	// unsigned long long nr_dirtied = 0ULL;
+	// unsigned long long nr_dirty = 0ULL;
+	// unsigned long long nr_dirty_background_threshold = 0ULL;
+	// unsigned long long nr_dirty_threshold = 0ULL;
+	// unsigned long long nr_file_pages = 0ULL;
+	// unsigned long long nr_free_pages = 0ULL;
+	// unsigned long long nr_inactive_anon = 0ULL;
+	// unsigned long long nr_inactive_file = 0ULL;
+	// unsigned long long nr_isolated_anon = 0ULL;
+	// unsigned long long nr_isolated_file = 0ULL;
+	// unsigned long long nr_kernel_stack = 0ULL;
+	// unsigned long long nr_mapped = 0ULL;
+	// unsigned long long nr_mlock = 0ULL;
+	// unsigned long long nr_page_table_pages = 0ULL;
+	// unsigned long long nr_shmem = 0ULL;
+	// unsigned long long nr_slab_reclaimable = 0ULL;
+	// unsigned long long nr_slab_unreclaimable = 0ULL;
+	// unsigned long long nr_unevictable = 0ULL;
+	// unsigned long long nr_unstable = 0ULL;
+	// unsigned long long nr_vmscan_immediate_reclaim = 0ULL;
+	// unsigned long long nr_vmscan_write = 0ULL;
+	// unsigned long long nr_writeback = 0ULL;
+	// unsigned long long nr_writeback_temp = 0ULL;
+	// unsigned long long nr_written = 0ULL;
+	// unsigned long long pageoutrun = 0ULL;
+	// unsigned long long pgactivate = 0ULL;
+	// unsigned long long pgalloc_dma = 0ULL;
+	// unsigned long long pgalloc_dma32 = 0ULL;
+	// unsigned long long pgalloc_movable = 0ULL;
+	// unsigned long long pgalloc_normal = 0ULL;
+	// unsigned long long pgdeactivate = 0ULL;
+	unsigned long long pgfault = 0ULL;
+	// unsigned long long pgfree = 0ULL;
+	// unsigned long long pginodesteal = 0ULL;
+	unsigned long long pgmajfault = 0ULL;
+	unsigned long long pgpgin = 0ULL;
+	unsigned long long pgpgout = 0ULL;
+	// unsigned long long pgrefill_dma = 0ULL;
+	// unsigned long long pgrefill_dma32 = 0ULL;
+	// unsigned long long pgrefill_movable = 0ULL;
+	// unsigned long long pgrefill_normal = 0ULL;
+	// unsigned long long pgrotated = 0ULL;
+	// unsigned long long pgscan_direct_dma = 0ULL;
+	// unsigned long long pgscan_direct_dma32 = 0ULL;
+	// unsigned long long pgscan_direct_movable = 0ULL;
+	// unsigned long long pgscan_direct_normal = 0ULL;
+	// unsigned long long pgscan_kswapd_dma = 0ULL;
+	// unsigned long long pgscan_kswapd_dma32 = 0ULL;
+	// unsigned long long pgscan_kswapd_movable = 0ULL;
+	// unsigned long long pgscan_kswapd_normal = 0ULL;
+	// unsigned long long pgsteal_direct_dma = 0ULL;
+	// unsigned long long pgsteal_direct_dma32 = 0ULL;
+	// unsigned long long pgsteal_direct_movable = 0ULL;
+	// unsigned long long pgsteal_direct_normal = 0ULL;
+	// unsigned long long pgsteal_kswapd_dma = 0ULL;
+	// unsigned long long pgsteal_kswapd_dma32 = 0ULL;
+	// unsigned long long pgsteal_kswapd_movable = 0ULL;
+	// unsigned long long pgsteal_kswapd_normal = 0ULL;
+	unsigned long long pswpin = 0ULL;
+	unsigned long long pswpout = 0ULL;
+	// unsigned long long slabs_scanned = 0ULL;
+	// unsigned long long thp_collapse_alloc = 0ULL;
+	// unsigned long long thp_collapse_alloc_failed = 0ULL;
+	// unsigned long long thp_fault_alloc = 0ULL;
+	// unsigned long long thp_fault_fallback = 0ULL;
+	// unsigned long long thp_split = 0ULL;
+	// unsigned long long unevictable_pgs_cleared = 0ULL;
+	// unsigned long long unevictable_pgs_culled = 0ULL;
+	// unsigned long long unevictable_pgs_mlocked = 0ULL;
+	// unsigned long long unevictable_pgs_mlockfreed = 0ULL;
+	// unsigned long long unevictable_pgs_munlocked = 0ULL;
+	// unsigned long long unevictable_pgs_rescued = 0ULL;
+	// unsigned long long unevictable_pgs_scanned = 0ULL;
+	// unsigned long long unevictable_pgs_stranded = 0ULL;
+
+	for(l = 0; l < lines ;l++) {
+		words = procfile_linewords(ff, l);
+		if(words < 2) {
+			if(words) error("Cannot read /proc/vmstat line %d. Expected 2 params, read %d.", l, words);
+			continue;
+		}
+
+		char *name = procfile_lineword(ff, l, 0);
+		char * value = procfile_lineword(ff, l, 1);
+		if(!name || !*name || !value || !*value) continue;
+
+		uint32_t hash = simple_hash(name);
+
+		if(0) ;
+		// else if(hash == hash_allocstall && strcmp(name, "allocstall") == 0) allocstall = strtoull(value, NULL, 10);
+		// else if(hash == hash_compact_blocks_moved && strcmp(name, "compact_blocks_moved") == 0) compact_blocks_moved = strtoull(value, NULL, 10);
+		// else if(hash == hash_compact_fail && strcmp(name, "compact_fail") == 0) compact_fail = strtoull(value, NULL, 10);
+		// else if(hash == hash_compact_pagemigrate_failed && strcmp(name, "compact_pagemigrate_failed") == 0) compact_pagemigrate_failed = strtoull(value, NULL, 10);
+		// else if(hash == hash_compact_pages_moved && strcmp(name, "compact_pages_moved") == 0) compact_pages_moved = strtoull(value, NULL, 10);
+		// else if(hash == hash_compact_stall && strcmp(name, "compact_stall") == 0) compact_stall = strtoull(value, NULL, 10);
+		// else if(hash == hash_compact_success && strcmp(name, "compact_success") == 0) compact_success = strtoull(value, NULL, 10);
+		// else if(hash == hash_htlb_buddy_alloc_fail && strcmp(name, "htlb_buddy_alloc_fail") == 0) htlb_buddy_alloc_fail = strtoull(value, NULL, 10);
+		// else if(hash == hash_htlb_buddy_alloc_success && strcmp(name, "htlb_buddy_alloc_success") == 0) htlb_buddy_alloc_success = strtoull(value, NULL, 10);
+		// else if(hash == hash_kswapd_high_wmark_hit_quickly && strcmp(name, "kswapd_high_wmark_hit_quickly") == 0) kswapd_high_wmark_hit_quickly = strtoull(value, NULL, 10);
+		// else if(hash == hash_kswapd_inodesteal && strcmp(name, "kswapd_inodesteal") == 0) kswapd_inodesteal = strtoull(value, NULL, 10);
+		// else if(hash == hash_kswapd_low_wmark_hit_quickly && strcmp(name, "kswapd_low_wmark_hit_quickly") == 0) kswapd_low_wmark_hit_quickly = strtoull(value, NULL, 10);
+		// else if(hash == hash_kswapd_skip_congestion_wait && strcmp(name, "kswapd_skip_congestion_wait") == 0) kswapd_skip_congestion_wait = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_active_anon && strcmp(name, "nr_active_anon") == 0) nr_active_anon = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_active_file && strcmp(name, "nr_active_file") == 0) nr_active_file = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_anon_pages && strcmp(name, "nr_anon_pages") == 0) nr_anon_pages = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_anon_transparent_hugepages && strcmp(name, "nr_anon_transparent_hugepages") == 0) nr_anon_transparent_hugepages = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_bounce && strcmp(name, "nr_bounce") == 0) nr_bounce = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_dirtied && strcmp(name, "nr_dirtied") == 0) nr_dirtied = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_dirty && strcmp(name, "nr_dirty") == 0) nr_dirty = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_dirty_background_threshold && strcmp(name, "nr_dirty_background_threshold") == 0) nr_dirty_background_threshold = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_dirty_threshold && strcmp(name, "nr_dirty_threshold") == 0) nr_dirty_threshold = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_file_pages && strcmp(name, "nr_file_pages") == 0) nr_file_pages = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_free_pages && strcmp(name, "nr_free_pages") == 0) nr_free_pages = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_inactive_anon && strcmp(name, "nr_inactive_anon") == 0) nr_inactive_anon = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_inactive_file && strcmp(name, "nr_inactive_file") == 0) nr_inactive_file = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_isolated_anon && strcmp(name, "nr_isolated_anon") == 0) nr_isolated_anon = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_isolated_file && strcmp(name, "nr_isolated_file") == 0) nr_isolated_file = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_kernel_stack && strcmp(name, "nr_kernel_stack") == 0) nr_kernel_stack = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_mapped && strcmp(name, "nr_mapped") == 0) nr_mapped = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_mlock && strcmp(name, "nr_mlock") == 0) nr_mlock = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_page_table_pages && strcmp(name, "nr_page_table_pages") == 0) nr_page_table_pages = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_shmem && strcmp(name, "nr_shmem") == 0) nr_shmem = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_slab_reclaimable && strcmp(name, "nr_slab_reclaimable") == 0) nr_slab_reclaimable = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_slab_unreclaimable && strcmp(name, "nr_slab_unreclaimable") == 0) nr_slab_unreclaimable = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_unevictable && strcmp(name, "nr_unevictable") == 0) nr_unevictable = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_unstable && strcmp(name, "nr_unstable") == 0) nr_unstable = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_vmscan_immediate_reclaim && strcmp(name, "nr_vmscan_immediate_reclaim") == 0) nr_vmscan_immediate_reclaim = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_vmscan_write && strcmp(name, "nr_vmscan_write") == 0) nr_vmscan_write = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_writeback && strcmp(name, "nr_writeback") == 0) nr_writeback = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_writeback_temp && strcmp(name, "nr_writeback_temp") == 0) nr_writeback_temp = strtoull(value, NULL, 10);
+		// else if(hash == hash_nr_written && strcmp(name, "nr_written") == 0) nr_written = strtoull(value, NULL, 10);
+		// else if(hash == hash_pageoutrun && strcmp(name, "pageoutrun") == 0) pageoutrun = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgactivate && strcmp(name, "pgactivate") == 0) pgactivate = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgalloc_dma && strcmp(name, "pgalloc_dma") == 0) pgalloc_dma = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgalloc_dma32 && strcmp(name, "pgalloc_dma32") == 0) pgalloc_dma32 = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgalloc_movable && strcmp(name, "pgalloc_movable") == 0) pgalloc_movable = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgalloc_normal && strcmp(name, "pgalloc_normal") == 0) pgalloc_normal = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgdeactivate && strcmp(name, "pgdeactivate") == 0) pgdeactivate = strtoull(value, NULL, 10);
+		else if(hash == hash_pgfault && strcmp(name, "pgfault") == 0) pgfault = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgfree && strcmp(name, "pgfree") == 0) pgfree = strtoull(value, NULL, 10);
+		// else if(hash == hash_pginodesteal && strcmp(name, "pginodesteal") == 0) pginodesteal = strtoull(value, NULL, 10);
+		else if(hash == hash_pgmajfault && strcmp(name, "pgmajfault") == 0) pgmajfault = strtoull(value, NULL, 10);
+		else if(hash == hash_pgpgin && strcmp(name, "pgpgin") == 0) pgpgin = strtoull(value, NULL, 10);
+		else if(hash == hash_pgpgout && strcmp(name, "pgpgout") == 0) pgpgout = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgrefill_dma && strcmp(name, "pgrefill_dma") == 0) pgrefill_dma = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgrefill_dma32 && strcmp(name, "pgrefill_dma32") == 0) pgrefill_dma32 = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgrefill_movable && strcmp(name, "pgrefill_movable") == 0) pgrefill_movable = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgrefill_normal && strcmp(name, "pgrefill_normal") == 0) pgrefill_normal = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgrotated && strcmp(name, "pgrotated") == 0) pgrotated = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgscan_direct_dma && strcmp(name, "pgscan_direct_dma") == 0) pgscan_direct_dma = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgscan_direct_dma32 && strcmp(name, "pgscan_direct_dma32") == 0) pgscan_direct_dma32 = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgscan_direct_movable && strcmp(name, "pgscan_direct_movable") == 0) pgscan_direct_movable = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgscan_direct_normal && strcmp(name, "pgscan_direct_normal") == 0) pgscan_direct_normal = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgscan_kswapd_dma && strcmp(name, "pgscan_kswapd_dma") == 0) pgscan_kswapd_dma = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgscan_kswapd_dma32 && strcmp(name, "pgscan_kswapd_dma32") == 0) pgscan_kswapd_dma32 = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgscan_kswapd_movable && strcmp(name, "pgscan_kswapd_movable") == 0) pgscan_kswapd_movable = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgscan_kswapd_normal && strcmp(name, "pgscan_kswapd_normal") == 0) pgscan_kswapd_normal = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgsteal_direct_dma && strcmp(name, "pgsteal_direct_dma") == 0) pgsteal_direct_dma = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgsteal_direct_dma32 && strcmp(name, "pgsteal_direct_dma32") == 0) pgsteal_direct_dma32 = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgsteal_direct_movable && strcmp(name, "pgsteal_direct_movable") == 0) pgsteal_direct_movable = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgsteal_direct_normal && strcmp(name, "pgsteal_direct_normal") == 0) pgsteal_direct_normal = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgsteal_kswapd_dma && strcmp(name, "pgsteal_kswapd_dma") == 0) pgsteal_kswapd_dma = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgsteal_kswapd_dma32 && strcmp(name, "pgsteal_kswapd_dma32") == 0) pgsteal_kswapd_dma32 = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgsteal_kswapd_movable && strcmp(name, "pgsteal_kswapd_movable") == 0) pgsteal_kswapd_movable = strtoull(value, NULL, 10);
+		// else if(hash == hash_pgsteal_kswapd_normal && strcmp(name, "pgsteal_kswapd_normal") == 0) pgsteal_kswapd_normal = strtoull(value, NULL, 10);
+		else if(hash == hash_pswpin && strcmp(name, "pswpin") == 0) pswpin = strtoull(value, NULL, 10);
+		else if(hash == hash_pswpout && strcmp(name, "pswpout") == 0) pswpout = strtoull(value, NULL, 10);
+		// else if(hash == hash_slabs_scanned && strcmp(name, "slabs_scanned") == 0) slabs_scanned = strtoull(value, NULL, 10);
+		// else if(hash == hash_thp_collapse_alloc && strcmp(name, "thp_collapse_alloc") == 0) thp_collapse_alloc = strtoull(value, NULL, 10);
+		// else if(hash == hash_thp_collapse_alloc_failed && strcmp(name, "thp_collapse_alloc_failed") == 0) thp_collapse_alloc_failed = strtoull(value, NULL, 10);
+		// else if(hash == hash_thp_fault_alloc && strcmp(name, "thp_fault_alloc") == 0) thp_fault_alloc = strtoull(value, NULL, 10);
+		// else if(hash == hash_thp_fault_fallback && strcmp(name, "thp_fault_fallback") == 0) thp_fault_fallback = strtoull(value, NULL, 10);
+		// else if(hash == hash_thp_split && strcmp(name, "thp_split") == 0) thp_split = strtoull(value, NULL, 10);
+		// else if(hash == hash_unevictable_pgs_cleared && strcmp(name, "unevictable_pgs_cleared") == 0) unevictable_pgs_cleared = strtoull(value, NULL, 10);
+		// else if(hash == hash_unevictable_pgs_culled && strcmp(name, "unevictable_pgs_culled") == 0) unevictable_pgs_culled = strtoull(value, NULL, 10);
+		// else if(hash == hash_unevictable_pgs_mlocked && strcmp(name, "unevictable_pgs_mlocked") == 0) unevictable_pgs_mlocked = strtoull(value, NULL, 10);
+		// else if(hash == hash_unevictable_pgs_mlockfreed && strcmp(name, "unevictable_pgs_mlockfreed") == 0) unevictable_pgs_mlockfreed = strtoull(value, NULL, 10);
+		// else if(hash == hash_unevictable_pgs_munlocked && strcmp(name, "unevictable_pgs_munlocked") == 0) unevictable_pgs_munlocked = strtoull(value, NULL, 10);
+		// else if(hash == hash_unevictable_pgs_rescued && strcmp(name, "unevictable_pgs_rescued") == 0) unevictable_pgs_rescued = strtoull(value, NULL, 10);
+		// else if(hash == hash_unevictable_pgs_scanned && strcmp(name, "unevictable_pgs_scanned") == 0) unevictable_pgs_scanned = strtoull(value, NULL, 10);
+		// else if(hash == hash_unevictable_pgs_stranded && strcmp(name, "unevictable_pgs_stranded") == 0) unevictable_pgs_stranded = strtoull(value, NULL, 10);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_swapio) {
+		static RRDSET *st_swapio = NULL;
+		if(!st_swapio) {
+			st_swapio = rrdset_create("system", "swapio", NULL, "swap", NULL, "Swap I/O", "kilobytes/s", 250, update_every, RRDSET_TYPE_AREA);
+
+			rrddim_add(st_swapio, "in",  NULL, sysconf(_SC_PAGESIZE), 1024, RRDDIM_INCREMENTAL);
+			rrddim_add(st_swapio, "out", NULL, -sysconf(_SC_PAGESIZE), 1024, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st_swapio);
+
+		rrddim_set(st_swapio, "in", pswpin);
+		rrddim_set(st_swapio, "out", pswpout);
+		rrdset_done(st_swapio);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_io) {
+		static RRDSET *st_io = NULL;
+		if(!st_io) {
+			st_io = rrdset_create("system", "io", NULL, "disk", NULL, "Disk I/O", "kilobytes/s", 150, update_every, RRDSET_TYPE_AREA);
+
+			rrddim_add(st_io, "in",  NULL,  1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st_io, "out", NULL, -1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st_io);
+
+		rrddim_set(st_io, "in", pgpgin);
+		rrddim_set(st_io, "out", pgpgout);
+		rrdset_done(st_io);
+	}
+
+	// --------------------------------------------------------------------
+
+	if(do_pgfaults) {
+		static RRDSET *st_pgfaults = NULL;
+		if(!st_pgfaults) {
+			st_pgfaults = rrdset_create("mem", "pgfaults", NULL, "system", NULL, "Memory Page Faults", "page faults/s", 500, update_every, RRDSET_TYPE_LINE);
+			st_pgfaults->isdetail = 1;
+
+			rrddim_add(st_pgfaults, "minor",  NULL,  1, 1, RRDDIM_INCREMENTAL);
+			rrddim_add(st_pgfaults, "major", NULL, -1, 1, RRDDIM_INCREMENTAL);
+		}
+		else rrdset_next(st_pgfaults);
+
+		rrddim_set(st_pgfaults, "minor", pgfault);
+		rrddim_set(st_pgfaults, "major", pgmajfault);
+		rrdset_done(st_pgfaults);
+	}
+
+	return 0;
+}
+
diff --git a/src/procfile.c b/src/procfile.c
new file mode 100755
index 00000000..7a485795
--- /dev/null
+++ b/src/procfile.c
@@ -0,0 +1,400 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <malloc.h>
+#include <ctype.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+
+#include "common.h"
+#include "log.h"
+#include "procfile.h"
+
+#define PF_PREFIX "PROCFILE"
+
+#define PFWORDS_INCREASE_STEP 200
+#define PFLINES_INCREASE_STEP 10
+#define PROCFILE_INCREMENT_BUFFER 512
+
+int procfile_adaptive_initial_allocation = 0;
+
+// if adaptive allocation is set, these store the
+// max values we have seen so far
+uint32_t procfile_max_lines = PFLINES_INCREASE_STEP;
+uint32_t procfile_max_words = PFWORDS_INCREASE_STEP;
+size_t procfile_max_allocation = PROCFILE_INCREMENT_BUFFER;
+
+// ----------------------------------------------------------------------------
+// An array of words
+
+
+pfwords *pfwords_add(pfwords *fw, char *str) {
+	// debug(D_PROCFILE, PF_PREFIX ":	adding word No %d: '%s'", fw->len, str);
+
+	if(unlikely(fw->len == fw->size)) {
+		// debug(D_PROCFILE, PF_PREFIX ":	expanding words");
+
+		pfwords *new = realloc(fw, sizeof(pfwords) + (fw->size + PFWORDS_INCREASE_STEP) * sizeof(char *));
+		if(unlikely(!new)) {
+			error(PF_PREFIX ":	failed to expand words");
+			free(fw);
+			return NULL;
+		}
+		fw = new;
+		fw->size += PFWORDS_INCREASE_STEP;
+	}
+
+	fw->words[fw->len++] = str;
+
+	return fw;
+}
+
+pfwords *pfwords_new(void) {
+	// debug(D_PROCFILE, PF_PREFIX ":	initializing words");
+
+	uint32_t size = (procfile_adaptive_initial_allocation) ? procfile_max_words : PFWORDS_INCREASE_STEP;
+
+	pfwords *new = malloc(sizeof(pfwords) + size * sizeof(char *));
+	if(unlikely(!new)) return NULL;
+
+	new->len = 0;
+	new->size = size;
+	return new;
+}
+
+void pfwords_reset(pfwords *fw) {
+	// debug(D_PROCFILE, PF_PREFIX ":	reseting words");
+	fw->len = 0;
+}
+
+void pfwords_free(pfwords *fw) {
+	// debug(D_PROCFILE, PF_PREFIX ":	freeing words");
+
+	free(fw);
+}
+
+
+// ----------------------------------------------------------------------------
+// An array of lines
+
+pflines *pflines_add(pflines *fl, uint32_t first_word) {
+	// debug(D_PROCFILE, PF_PREFIX ":	adding line %d at word %d", fl->len, first_word);
+
+	if(unlikely(fl->len == fl->size)) {
+		// debug(D_PROCFILE, PF_PREFIX ":	expanding lines");
+
+		pflines *new = realloc(fl, sizeof(pflines) + (fl->size + PFLINES_INCREASE_STEP) * sizeof(ffline));
+		if(unlikely(!new)) {
+			error(PF_PREFIX ":	failed to expand lines");
+			free(fl);
+			return NULL;
+		}
+		fl = new;
+		fl->size += PFLINES_INCREASE_STEP;
+	}
+
+	fl->lines[fl->len].words = 0;
+	fl->lines[fl->len++].first = first_word;
+
+	return fl;
+}
+
+pflines *pflines_new(void) {
+	// debug(D_PROCFILE, PF_PREFIX ":	initializing lines");
+
+	uint32_t size = (unlikely(procfile_adaptive_initial_allocation)) ? procfile_max_words : PFLINES_INCREASE_STEP;
+
+	pflines *new = malloc(sizeof(pflines) + size * sizeof(ffline));
+	if(unlikely(!new)) return NULL;
+
+	new->len = 0;
+	new->size = size;
+	return new;
+}
+
+void pflines_reset(pflines *fl) {
+	// debug(D_PROCFILE, PF_PREFIX ":	reseting lines");
+
+	fl->len = 0;
+}
+
+void pflines_free(pflines *fl) {
+	// debug(D_PROCFILE, PF_PREFIX ":	freeing lines");
+
+	free(fl);
+}
+
+
+// ----------------------------------------------------------------------------
+// The procfile
+
+#define PF_CHAR_IS_SEPARATOR	' '
+#define PF_CHAR_IS_NEWLINE		'N'
+#define PF_CHAR_IS_WORD			'W'
+
+void procfile_close(procfile *ff) {
+	debug(D_PROCFILE, PF_PREFIX ": Closing file '%s'", ff->filename);
+
+	if(likely(ff->lines)) pflines_free(ff->lines);
+	if(likely(ff->words)) pfwords_free(ff->words);
+
+	if(likely(ff->fd != -1)) close(ff->fd);
+	free(ff);
+}
+
+procfile *procfile_parser(procfile *ff) {
+	debug(D_PROCFILE, PF_PREFIX ": Parsing file '%s'", ff->filename);
+
+	char *s = ff->data, *e = ff->data, *t = ff->data;
+	uint32_t l = 0, w = 0;
+	e += ff->len;
+
+	ff->lines = pflines_add(ff->lines, w);
+	if(unlikely(!ff->lines)) goto cleanup;
+
+	while(likely(s < e)) {
+		switch(ff->separators[(int)(*s)]) {
+			case PF_CHAR_IS_SEPARATOR:
+				if(likely(s == t)) {
+					// skip all leading white spaces
+					t = ++s;
+					continue;
+				}
+
+				// end of word
+				*s = '\0';
+
+				ff->words = pfwords_add(ff->words, t);
+				if(unlikely(!ff->words)) goto cleanup;
+
+				ff->lines->lines[l].words++;
+				w++;
+
+				t = ++s;
+				continue;
+
+			case PF_CHAR_IS_NEWLINE:
+				// end of line
+				*s = '\0';
+
+				ff->words = pfwords_add(ff->words, t);
+				if(unlikely(!ff->words)) goto cleanup;
+
+				ff->lines->lines[l].words++;
+				w++;
+
+				// debug(D_PROCFILE, PF_PREFIX ":	ended line %d with %d words", l, ff->lines->lines[l].words);
+
+				ff->lines = pflines_add(ff->lines, w);
+				if(unlikely(!ff->lines)) goto cleanup;
+				l++;
+
+				t = ++s;
+				continue;
+
+			default:
+				s++;
+				continue;
+		}
+	}
+
+	if(likely(s != t)) {
+		// the last word
+		if(likely(ff->len < ff->size)) *s = '\0';
+		else {
+			// we are going to loose the last byte
+			ff->data[ff->size - 1] = '\0';
+		}
+
+		ff->words = pfwords_add(ff->words, t);
+		if(unlikely(!ff->words)) goto cleanup;
+
+		ff->lines->lines[l].words++;
+		w++;
+	}
+
+	return ff;
+
+cleanup:
+	error(PF_PREFIX ": Failed to parse file '%s'", ff->filename);
+	procfile_close(ff);
+	return NULL;
+}
+
+procfile *procfile_readall(procfile *ff) {
+	debug(D_PROCFILE, PF_PREFIX ": Reading file '%s'.", ff->filename);
+
+	ssize_t s, r = 1, x;
+	ff->len = 0;
+
+	while(likely(r > 0)) {
+		s = ff->len;
+		x = ff->size - s;
+
+		if(!x) {
+			debug(D_PROCFILE, PF_PREFIX ": Expanding data buffer for file '%s'.", ff->filename);
+
+			procfile *new = realloc(ff, sizeof(procfile) + ff->size + PROCFILE_INCREMENT_BUFFER);
+			if(unlikely(!new)) {
+				error(PF_PREFIX ": Cannot allocate memory for file '%s'", ff->filename);
+				procfile_close(ff);
+				return NULL;
+			}
+			ff = new;
+			ff->size += PROCFILE_INCREMENT_BUFFER;
+		}
+
+		debug(D_PROCFILE, "Reading file '%s', from position %ld with length %ld", ff->filename, s, ff->size - s);
+		r = read(ff->fd, &ff->data[s], ff->size - s);
+		if(unlikely(r == -1)) {
+			if(unlikely(!(ff->flags & PROCFILE_FLAG_NO_ERROR_ON_FILE_IO))) error(PF_PREFIX ": Cannot read from file '%s'", ff->filename);
+			procfile_close(ff);
+			return NULL;
+		}
+
+		ff->len += r;
+	}
+
+	debug(D_PROCFILE, "Rewinding file '%s'", ff->filename);
+	if(unlikely(lseek(ff->fd, 0, SEEK_SET) == -1)) {
+		if(unlikely(!(ff->flags & PROCFILE_FLAG_NO_ERROR_ON_FILE_IO))) error(PF_PREFIX ": Cannot rewind on file '%s'.", ff->filename);
+		procfile_close(ff);
+		return NULL;
+	}
+
+	pflines_reset(ff->lines);
+	pfwords_reset(ff->words);
+
+	ff = procfile_parser(ff);
+
+	if(unlikely(procfile_adaptive_initial_allocation)) {
+		if(unlikely(ff->len > procfile_max_allocation)) procfile_max_allocation = ff->len;
+		if(unlikely(ff->lines->len > procfile_max_lines)) procfile_max_lines = ff->lines->len;
+		if(unlikely(ff->words->len > procfile_max_words)) procfile_max_words = ff->words->len;
+	}
+
+	debug(D_PROCFILE, "File '%s' updated.", ff->filename);
+	return ff;
+}
+
+static void procfile_set_separators(procfile *ff, const char *separators) {
+	static char def[256] = { [0 ... 255] = 0 };
+	int i;
+
+	if(unlikely(!def[255])) {
+		// this is thread safe
+		// we check that the last byte is non-zero
+		// if it is zero, multiple threads may be executing this at the same time
+		// setting in def[] the exact same values
+		for(i = 0; likely(i < 256) ;i++) {
+			if(unlikely(i == '\n' || i == '\r')) def[i] = PF_CHAR_IS_NEWLINE;
+			else if(unlikely(isspace(i) || !isprint(i))) def[i] = PF_CHAR_IS_SEPARATOR;
+			else def[i] = PF_CHAR_IS_WORD;
+		}
+	}
+
+	// copy the default
+	char *ffs = ff->separators, *ffd = def, *ffe = &def[256];
+	while(likely(ffd != ffe)) *ffs++ = *ffd++;
+
+	// set the separators
+	if(unlikely(!separators)) separators = " \t=|";
+	ffs = ff->separators;
+	const char *s = separators;
+	while(likely(*s)) ffs[(int)*s++] = PF_CHAR_IS_SEPARATOR;
+}
+
+procfile *procfile_open(const char *filename, const char *separators, uint32_t flags) {
+	debug(D_PROCFILE, PF_PREFIX ": Opening file '%s'", filename);
+
+	int fd = open(filename, O_RDONLY, 0666);
+	if(unlikely(fd == -1)) {
+		if(unlikely(!(flags & PROCFILE_FLAG_NO_ERROR_ON_FILE_IO))) error(PF_PREFIX ": Cannot open file '%s'", filename);
+		return NULL;
+	}
+
+	size_t size = (unlikely(procfile_adaptive_initial_allocation)) ? procfile_max_allocation : PROCFILE_INCREMENT_BUFFER;
+	procfile *ff = malloc(sizeof(procfile) + size);
+	if(unlikely(!ff)) {
+		error(PF_PREFIX ": Cannot allocate memory for file '%s'", filename);
+		close(fd);
+		return NULL;
+	}
+
+	strncpy(ff->filename, filename, FILENAME_MAX);
+	ff->filename[FILENAME_MAX] = '\0';
+
+	ff->fd = fd;
+	ff->size = size;
+	ff->len = 0;
+	ff->flags = flags;
+
+	ff->lines = pflines_new();
+	ff->words = pfwords_new();
+
+	if(unlikely(!ff->lines || !ff->words)) {
+		error(PF_PREFIX ": Cannot initialize parser for file '%s'", filename);
+		procfile_close(ff);
+		return NULL;
+	}
+
+	procfile_set_separators(ff, separators);
+
+	debug(D_PROCFILE, "File '%s' opened.", filename);
+	return ff;
+}
+
+procfile *procfile_reopen(procfile *ff, const char *filename, const char *separators, uint32_t flags) {
+	if(unlikely(!ff)) return procfile_open(filename, separators, flags);
+
+	if(likely(ff->fd != -1)) close(ff->fd);
+
+	ff->fd = open(filename, O_RDONLY, 0666);
+	if(unlikely(ff->fd == -1)) {
+		procfile_close(ff);
+		return NULL;
+	}
+
+	strncpy(ff->filename, filename, FILENAME_MAX);
+	ff->filename[FILENAME_MAX] = '\0';
+
+	ff->flags = flags;
+
+	// do not do the separators again if NULL is given
+	if(likely(separators)) procfile_set_separators(ff, separators);
+
+	return ff;
+}
+
+// ----------------------------------------------------------------------------
+// example parsing of procfile data
+
+void procfile_print(procfile *ff) {
+	uint32_t lines = procfile_lines(ff), l;
+	uint32_t words, w;
+	char *s;
+
+	debug(D_PROCFILE, "File '%s' with %d lines and %d words", ff->filename, ff->lines->len, ff->words->len);
+
+	for(l = 0; likely(l < lines) ;l++) {
+		words = procfile_linewords(ff, l);
+
+		debug(D_PROCFILE, "	line %d starts at word %d and has %d words", l, ff->lines->lines[l].first, ff->lines->lines[l].words);
+
+		for(w = 0; likely(w < words) ;w++) {
+			s = procfile_lineword(ff, l, w);
+			debug(D_PROCFILE, "		[%d.%d] '%s'", l, w, s);
+		}
+	}
+}
diff --git a/src/procfile.h b/src/procfile.h
new file mode 100755
index 00000000..ce2f9bc9
--- /dev/null
+++ b/src/procfile.h
@@ -0,0 +1,109 @@
+/*
+ * procfile is a library for reading kernel files from /proc
+ *
+ * The idea is this:
+ *
+ *  - every file is opened once with procfile_open().
+ *
+ *  - to read updated contents, we rewind it (lseek() to 0) and read again
+ *    with procfile_readall().
+ *
+ *  - for every file, we use a buffer that is adjusted to fit its entire
+ *    contents in memory, allowing us to read it with a single read() call.
+ *    (this provides atomicity / consistency on the data read from the kernel)
+ *
+ *  - once the data are read, we update two arrays of pointers:
+ *     - a words array, pointing to each word in the data read
+ *     - a lines array, pointing to the first word for each line
+ *
+ *    This is highly optimized. Both arrays are automatically adjusted to
+ *    fit all contents and are updated in a single pass on the data:
+ *     - a raspberry Pi can process 5.000+ files / sec.
+ *     - a J1900 celeron processor can process 23.000+ files / sec.
+*/
+
+
+#ifndef NETDATA_PROCFILE_H
+#define NETDATA_PROCFILE_H 1
+
+// ----------------------------------------------------------------------------
+// An array of words
+
+typedef struct {
+	uint32_t len;	// used entries
+	uint32_t size;	// capacity
+	char *words[];	// array of pointers
+} pfwords;
+
+
+// ----------------------------------------------------------------------------
+// An array of lines
+
+typedef struct {
+	uint32_t words;		// how many words this line has
+	uint32_t first;		// the id of the first word of this line
+				// in the words array
+} ffline;
+
+typedef struct {
+	uint32_t len;		// used entries
+	uint32_t size;		// capacity
+	ffline lines[];		// array of lines
+} pflines;
+
+
+// ----------------------------------------------------------------------------
+// The procfile
+
+#define PROCFILE_FLAG_DEFAULT             0x00000000
+#define PROCFILE_FLAG_NO_ERROR_ON_FILE_IO 0x00000001
+
+typedef struct {
+	char filename[FILENAME_MAX + 1];
+	uint32_t flags;
+	int fd;			// the file desriptor
+	size_t len;		// the bytes we have placed into data
+	size_t size;		// the bytes we have allocated for data
+	pflines *lines;
+	pfwords *words;
+	char separators[256];
+	char data[];		// allocated buffer to keep file contents
+} procfile;
+
+// close the proc file and free all related memory
+extern void procfile_close(procfile *ff);
+
+// (re)read and parse the proc file
+extern procfile *procfile_readall(procfile *ff);
+
+// open a /proc or /sys file
+extern procfile *procfile_open(const char *filename, const char *separators, uint32_t flags);
+
+// re-open a file
+// if separators == NULL, the last separators are used
+extern procfile *procfile_reopen(procfile *ff, const char *filename, const char *separators, uint32_t flags);
+
+// example walk-through a procfile parsed file
+extern void procfile_print(procfile *ff);
+
+// ----------------------------------------------------------------------------
+
+// set this to 1, to have procfile adapt its initial buffer allocation to the max allocation used so far
+extern int procfile_adaptive_initial_allocation;
+
+// return the number of lines present
+#define procfile_lines(ff) (ff->lines->len)
+
+// return the number of words of the Nth line
+#define procfile_linewords(ff, line) (((line) < procfile_lines(ff)) ? (ff)->lines->lines[(line)].words : 0)
+
+// return the Nth word of the file, or empty string
+#define procfile_word(ff, word) (((word) < (ff)->words->len) ? (ff)->words->words[(word)] : "")
+
+// return the first word of the Nth line, or empty string
+#define procfile_line(ff, line) (((line) < procfile_lines(ff)) ? procfile_word((ff), (ff)->lines->lines[(line)].first) : "")
+
+// return the Nth word of the current line
+#define procfile_lineword(ff, line, word) (((line) < procfile_lines(ff) && (word) < procfile_linewords(ff, (line))) ? procfile_word((ff), (ff)->lines->lines[(line)].first + word) : "")
+
+#endif /* NETDATA_PROCFILE_H */
diff --git a/src/rrd.c b/src/rrd.c
new file mode 100755
index 00000000..2dce02e6
--- /dev/null
+++ b/src/rrd.c
@@ -0,0 +1,1338 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stddef.h>
+#include <string.h>
+#include <unistd.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <pthread.h>
+#include <errno.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <stdlib.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+
+#include "rrd.h"
+
+#define RRD_DEFAULT_GAP_INTERPOLATIONS 1
+
+// ----------------------------------------------------------------------------
+// globals
+
+// if not zero it gives the time (in seconds) to remove un-updated dimensions
+// DO NOT ENABLE
+// if dimensions are removed, the chart generation will have to run again
+int rrd_delete_unupdated_dimensions = 0;
+
+int rrd_update_every = UPDATE_EVERY;
+int rrd_default_history_entries = RRD_DEFAULT_HISTORY_ENTRIES;
+
+RRDSET *rrdset_root = NULL;
+pthread_rwlock_t rrdset_root_rwlock = PTHREAD_RWLOCK_INITIALIZER;
+
+int rrd_memory_mode = RRD_MEMORY_MODE_SAVE;
+
+
+// ----------------------------------------------------------------------------
+// RRDSET index
+
+static int rrdset_iterator(avl *a) { if(a) {}; return 0; }
+
+static int rrdset_compare(void* a, void* b) {
+	if(((RRDSET *)a)->hash < ((RRDSET *)b)->hash) return -1;
+	else if(((RRDSET *)a)->hash > ((RRDSET *)b)->hash) return 1;
+	else return strcmp(((RRDSET *)a)->id, ((RRDSET *)b)->id);
+}
+
+avl_tree rrdset_root_index = {
+		NULL,
+		rrdset_compare,
+#ifdef AVL_LOCK_WITH_MUTEX
+		PTHREAD_MUTEX_INITIALIZER
+#else
+		PTHREAD_RWLOCK_INITIALIZER
+#endif
+};
+
+#define rrdset_index_add(st) avl_insert(&rrdset_root_index, (avl *)(st))
+#define rrdset_index_del(st) avl_remove(&rrdset_root_index, (avl *)(st))
+
+static RRDSET *rrdset_index_find(const char *id, uint32_t hash) {
+	RRDSET *result = NULL, tmp;
+	strncpy(tmp.id, id, RRD_ID_LENGTH_MAX);
+	tmp.id[RRD_ID_LENGTH_MAX] = '\0';
+	tmp.hash = (hash)?hash:simple_hash(tmp.id);
+
+	avl_search(&(rrdset_root_index), (avl *)&tmp, rrdset_iterator, (avl **)&result);
+	return result;
+}
+
+// ----------------------------------------------------------------------------
+// RRDSET name index
+
+#define rrdset_from_avlname(avlname_ptr) ((RRDSET *)((avlname_ptr) - offsetof(RRDSET, avlname)))
+
+static int rrdset_iterator_name(avl *a) { if(a) {}; return 0; }
+
+static int rrdset_compare_name(void* a, void* b) {
+	RRDSET *A = rrdset_from_avlname(a);
+	RRDSET *B = rrdset_from_avlname(b);
+
+	// fprintf(stderr, "COMPARING: %s with %s\n", A->name, B->name);
+
+	if(A->hash_name < B->hash_name) return -1;
+	else if(A->hash_name > B->hash_name) return 1;
+	else return strcmp(A->name, B->name);
+}
+
+avl_tree rrdset_root_index_name = {
+		NULL,
+		rrdset_compare_name,
+#ifdef AVL_LOCK_WITH_MUTEX
+		PTHREAD_MUTEX_INITIALIZER
+#else
+		PTHREAD_RWLOCK_INITIALIZER
+#endif
+};
+
+int rrdset_index_add_name(RRDSET *st) {
+	// fprintf(stderr, "ADDING: %s (name: %s)\n", st->id, st->name);
+	return avl_insert(&rrdset_root_index_name, (avl *)(&st->avlname));
+}
+
+#define rrdset_index_del_name(st) avl_remove(&rrdset_root_index_name, (avl *)(&st->avlname))
+
+static RRDSET *rrdset_index_find_name(const char *name, uint32_t hash) {
+	void *result = NULL;
+	RRDSET tmp;
+	tmp.name = name;
+	tmp.hash_name = (hash)?hash:simple_hash(tmp.name);
+
+	// fprintf(stderr, "SEARCHING: %s\n", name);
+	avl_search(&(rrdset_root_index_name), (avl *)(&(tmp.avlname)), rrdset_iterator_name, (avl **)&result);
+	if(result) {
+		RRDSET *st = rrdset_from_avlname(result);
+		if(strcmp(st->magic, RRDSET_MAGIC))
+			error("Search for RRDSET %s returned an invalid RRDSET %s (name %s)", name, st->id, st->name);
+
+		// fprintf(stderr, "FOUND: %s\n", name);
+		return rrdset_from_avlname(result);
+	}
+	// fprintf(stderr, "NOT FOUND: %s\n", name);
+	return NULL;
+}
+
+
+// ----------------------------------------------------------------------------
+// RRDDIM index
+
+static int rrddim_iterator(avl *a) { if(a) {}; return 0; }
+
+static int rrddim_compare(void* a, void* b) {
+	if(((RRDDIM *)a)->hash < ((RRDDIM *)b)->hash) return -1;
+	else if(((RRDDIM *)a)->hash > ((RRDDIM *)b)->hash) return 1;
+	else return strcmp(((RRDDIM *)a)->id, ((RRDDIM *)b)->id);
+}
+
+#define rrddim_index_add(st, rd) avl_insert(&((st)->dimensions_index), (avl *)(rd))
+#define rrddim_index_del(st,rd ) avl_remove(&((st)->dimensions_index), (avl *)(rd))
+
+static RRDDIM *rrddim_index_find(RRDSET *st, const char *id, uint32_t hash) {
+	RRDDIM *result = NULL, tmp;
+	strncpy(tmp.id, id, RRD_ID_LENGTH_MAX);
+	tmp.id[RRD_ID_LENGTH_MAX] = '\0';
+	tmp.hash = (hash)?hash:simple_hash(tmp.id);
+
+	avl_search(&(st->dimensions_index), (avl *)&tmp, rrddim_iterator, (avl **)&result);
+	return result;
+}
+
+// ----------------------------------------------------------------------------
+// chart types
+
+int rrdset_type_id(const char *name)
+{
+	if(unlikely(strcmp(name, RRDSET_TYPE_AREA_NAME) == 0)) return RRDSET_TYPE_AREA;
+	else if(unlikely(strcmp(name, RRDSET_TYPE_STACKED_NAME) == 0)) return RRDSET_TYPE_STACKED;
+	else if(unlikely(strcmp(name, RRDSET_TYPE_LINE_NAME) == 0)) return RRDSET_TYPE_LINE;
+	return RRDSET_TYPE_LINE;
+}
+
+const char *rrdset_type_name(int chart_type)
+{
+	static char line[] = RRDSET_TYPE_LINE_NAME;
+	static char area[] = RRDSET_TYPE_AREA_NAME;
+	static char stacked[] = RRDSET_TYPE_STACKED_NAME;
+
+	switch(chart_type) {
+		case RRDSET_TYPE_LINE:
+			return line;
+
+		case RRDSET_TYPE_AREA:
+			return area;
+
+		case RRDSET_TYPE_STACKED:
+			return stacked;
+	}
+	return line;
+}
+
+// ----------------------------------------------------------------------------
+// load / save
+
+const char *rrd_memory_mode_name(int id)
+{
+	static const char ram[] = RRD_MEMORY_MODE_RAM_NAME;
+	static const char map[] = RRD_MEMORY_MODE_MAP_NAME;
+	static const char save[] = RRD_MEMORY_MODE_SAVE_NAME;
+
+	switch(id) {
+		case RRD_MEMORY_MODE_RAM:
+			return ram;
+
+		case RRD_MEMORY_MODE_MAP:
+			return map;
+
+		case RRD_MEMORY_MODE_SAVE:
+		default:
+			return save;
+	}
+
+	return save;
+}
+
+int rrd_memory_mode_id(const char *name)
+{
+	if(unlikely(!strcmp(name, RRD_MEMORY_MODE_RAM_NAME)))
+		return RRD_MEMORY_MODE_RAM;
+	else if(unlikely(!strcmp(name, RRD_MEMORY_MODE_MAP_NAME)))
+		return RRD_MEMORY_MODE_MAP;
+
+	return RRD_MEMORY_MODE_SAVE;
+}
+
+// ----------------------------------------------------------------------------
+// algorithms types
+
+int rrddim_algorithm_id(const char *name)
+{
+	if(strcmp(name, RRDDIM_ABSOLUTE_NAME) == 0) 			return RRDDIM_ABSOLUTE;
+	if(strcmp(name, RRDDIM_INCREMENTAL_NAME) == 0) 			return RRDDIM_INCREMENTAL;
+	if(strcmp(name, RRDDIM_PCENT_OVER_ROW_TOTAL_NAME) == 0) 		return RRDDIM_PCENT_OVER_ROW_TOTAL;
+	if(strcmp(name, RRDDIM_PCENT_OVER_DIFF_TOTAL_NAME) == 0) 	return RRDDIM_PCENT_OVER_DIFF_TOTAL;
+	return RRDDIM_ABSOLUTE;
+}
+
+const char *rrddim_algorithm_name(int chart_type)
+{
+	static char absolute[] = RRDDIM_ABSOLUTE_NAME;
+	static char incremental[] = RRDDIM_INCREMENTAL_NAME;
+	static char percentage_of_absolute_row[] = RRDDIM_PCENT_OVER_ROW_TOTAL_NAME;
+	static char percentage_of_incremental_row[] = RRDDIM_PCENT_OVER_DIFF_TOTAL_NAME;
+
+	switch(chart_type) {
+		case RRDDIM_ABSOLUTE:
+			return absolute;
+
+		case RRDDIM_INCREMENTAL:
+			return incremental;
+
+		case RRDDIM_PCENT_OVER_ROW_TOTAL:
+			return percentage_of_absolute_row;
+
+		case RRDDIM_PCENT_OVER_DIFF_TOTAL:
+			return percentage_of_incremental_row;
+	}
+	return absolute;
+}
+
+// ----------------------------------------------------------------------------
+// chart names
+
+char *rrdset_strncpy_name(char *to, const char *from, int length)
+{
+	int i;
+	for(i = 0; i < length && from[i] ;i++) {
+		if(from[i] == '.' || isalpha(from[i]) || isdigit(from[i])) to[i] = from[i];
+		else to[i] = '_';
+	}
+	if(i < length) to[i] = '\0';
+	to[length - 1] = '\0';
+
+	return to;
+}
+
+void rrdset_set_name(RRDSET *st, const char *name)
+{
+	debug(D_RRD_CALLS, "rrdset_set_name() old: %s, new: %s", st->name, name);
+
+	if(st->name) rrdset_index_del_name(st);
+
+	char b[CONFIG_MAX_VALUE + 1];
+	char n[RRD_ID_LENGTH_MAX + 1];
+
+	snprintf(n, RRD_ID_LENGTH_MAX, "%s.%s", st->type, name);
+	rrdset_strncpy_name(b, n, CONFIG_MAX_VALUE);
+	st->name = config_get(st->id, "name", b);
+	st->hash_name = simple_hash(st->name);
+
+	rrdset_index_add_name(st);
+}
+
+// ----------------------------------------------------------------------------
+// cache directory
+
+char *rrdset_cache_dir(const char *id)
+{
+	char *ret = NULL;
+
+	static char *cache_dir = NULL;
+	if(!cache_dir) cache_dir = config_get("global", "cache directory", CACHE_DIR);
+
+	char b[FILENAME_MAX + 1];
+	char n[FILENAME_MAX + 1];
+	rrdset_strncpy_name(b, id, FILENAME_MAX);
+
+	snprintf(n, FILENAME_MAX, "%s/%s", cache_dir, b);
+	ret = config_get(id, "cache directory", n);
+
+	if(rrd_memory_mode == RRD_MEMORY_MODE_MAP || rrd_memory_mode == RRD_MEMORY_MODE_SAVE) {
+		int r = mkdir(ret, 0775);
+		if(r != 0 && errno != EEXIST)
+			error("Cannot create directory '%s'", ret);
+	}
+
+	return ret;
+}
+
+// ----------------------------------------------------------------------------
+// core functions
+
+void rrdset_reset(RRDSET *st)
+{
+	debug(D_RRD_CALLS, "rrdset_reset() %s", st->name);
+
+	st->last_collected_time.tv_sec = 0;
+	st->last_collected_time.tv_usec = 0;
+	st->last_updated.tv_sec = 0;
+	st->last_updated.tv_usec = 0;
+	st->current_entry = 0;
+	st->counter = 0;
+	st->counter_done = 0;
+
+	RRDDIM *rd;
+	for(rd = st->dimensions; rd ; rd = rd->next) {
+		rd->last_collected_time.tv_sec = 0;
+		rd->last_collected_time.tv_usec = 0;
+		rd->counter = 0;
+		bzero(rd->values, rd->entries * sizeof(storage_number));
+	}
+}
+
+RRDSET *rrdset_create(const char *type, const char *id, const char *name, const char *family, const char *context, const char *title, const char *units, long priority, int update_every, int chart_type)
+{
+	if(!type || !type[0]) {
+		fatal("Cannot create rrd stats without a type.");
+		return NULL;
+	}
+
+	if(!id || !id[0]) {
+		fatal("Cannot create rrd stats without an id.");
+		return NULL;
+	}
+
+	char fullid[RRD_ID_LENGTH_MAX + 1];
+	char fullfilename[FILENAME_MAX + 1];
+	RRDSET *st = NULL;
+
+	snprintf(fullid, RRD_ID_LENGTH_MAX, "%s.%s", type, id);
+
+	st = rrdset_find(fullid);
+	if(st) {
+		error("Cannot create rrd stats for '%s', it already exists.", fullid);
+		return st;
+	}
+
+	long entries = config_get_number(fullid, "history", rrd_default_history_entries);
+	if(entries < 5) entries = config_set_number(fullid, "history", 5);
+	if(entries > RRD_HISTORY_ENTRIES_MAX) entries = config_set_number(fullid, "history", RRD_HISTORY_ENTRIES_MAX);
+
+	int enabled = config_get_boolean(fullid, "enabled", 1);
+	if(!enabled) entries = 5;
+
+	unsigned long size = sizeof(RRDSET);
+	char *cache_dir = rrdset_cache_dir(fullid);
+
+	debug(D_RRD_CALLS, "Creating RRD_STATS for '%s.%s'.", type, id);
+
+	snprintf(fullfilename, FILENAME_MAX, "%s/main.db", cache_dir);
+	if(rrd_memory_mode != RRD_MEMORY_MODE_RAM) st = (RRDSET *)mymmap(fullfilename, size, ((rrd_memory_mode == RRD_MEMORY_MODE_MAP)?MAP_SHARED:MAP_PRIVATE), 0);
+	if(st) {
+		if(strcmp(st->magic, RRDSET_MAGIC) != 0) {
+			errno = 0;
+			info("Initializing file %s.", fullfilename);
+			bzero(st, size);
+		}
+		else if(strcmp(st->id, fullid) != 0) {
+			errno = 0;
+			error("File %s contents are not for chart %s. Clearing it.", fullfilename, fullid);
+			// munmap(st, size);
+			// st = NULL;
+			bzero(st, size);
+		}
+		else if(st->memsize != size || st->entries != entries) {
+			errno = 0;
+			error("File %s does not have the desired size. Clearing it.", fullfilename);
+			bzero(st, size);
+		}
+		else if(st->update_every != update_every) {
+			errno = 0;
+			error("File %s does not have the desired update frequency. Clearing it.", fullfilename);
+			bzero(st, size);
+		}
+		else if((time(NULL) - st->last_updated.tv_sec) > update_every * entries) {
+			errno = 0;
+			error("File %s is too old. Clearing it.", fullfilename);
+			bzero(st, size);
+		}
+	}
+
+	if(st) {
+		st->name = NULL;
+		st->type = NULL;
+		st->family = NULL;
+		st->context = NULL;
+		st->title = NULL;
+		st->units = NULL;
+		st->dimensions = NULL;
+		st->next = NULL;
+		st->mapped = rrd_memory_mode;
+	}
+	else {
+		st = calloc(1, size);
+		if(!st) {
+			fatal("Cannot allocate memory for RRD_STATS %s.%s", type, id);
+			return NULL;
+		}
+		st->mapped = RRD_MEMORY_MODE_RAM;
+	}
+	st->memsize = size;
+	st->entries = entries;
+	st->update_every = update_every;
+
+	strcpy(st->cache_filename, fullfilename);
+	strcpy(st->magic, RRDSET_MAGIC);
+
+	strcpy(st->id, fullid);
+	st->hash = simple_hash(st->id);
+
+	st->cache_dir = cache_dir;
+
+	st->chart_type = rrdset_type_id(config_get(st->id, "chart type", rrdset_type_name(chart_type)));
+	st->type       = config_get(st->id, "type", type);
+	st->family     = config_get(st->id, "family", family?family:st->type);
+	st->context    = config_get(st->id, "context", context?context:st->id);
+	st->units      = config_get(st->id, "units", units?units:"");
+
+	st->priority = config_get_number(st->id, "priority", priority);
+	st->enabled = enabled;
+
+	st->isdetail = 0;
+	st->debug = 0;
+
+	st->last_collected_time.tv_sec = 0;
+	st->last_collected_time.tv_usec = 0;
+	st->counter_done = 0;
+
+	st->gap_when_lost_iterations_above = (int) (
+			config_get_number(st->id, "gap when lost iterations above", RRD_DEFAULT_GAP_INTERPOLATIONS) + 2);
+
+	avl_init(&st->dimensions_index, rrddim_compare);
+
+	pthread_rwlock_init(&st->rwlock, NULL);
+	pthread_rwlock_wrlock(&rrdset_root_rwlock);
+
+	if(name && *name) rrdset_set_name(st, name);
+	else rrdset_set_name(st, id);
+
+	{
+		char varvalue[CONFIG_MAX_VALUE + 1];
+		snprintf(varvalue, CONFIG_MAX_VALUE, "%s (%s)", title?title:"", st->name);
+		st->title = config_get(st->id, "title", varvalue);
+	}
+
+	st->next = rrdset_root;
+	rrdset_root = st;
+
+	rrdset_index_add(st);
+
+	pthread_rwlock_unlock(&rrdset_root_rwlock);
+
+	return(st);
+}
+
+RRDDIM *rrddim_add(RRDSET *st, const char *id, const char *name, long multiplier, long divisor, int algorithm)
+{
+	char filename[FILENAME_MAX + 1];
+	char fullfilename[FILENAME_MAX + 1];
+
+	char varname[CONFIG_MAX_NAME + 1];
+	RRDDIM *rd = NULL;
+	unsigned long size = sizeof(RRDDIM) + (st->entries * sizeof(storage_number));
+
+	debug(D_RRD_CALLS, "Adding dimension '%s/%s'.", st->id, id);
+
+	rrdset_strncpy_name(filename, id, FILENAME_MAX);
+	snprintf(fullfilename, FILENAME_MAX, "%s/%s.db", st->cache_dir, filename);
+	if(rrd_memory_mode != RRD_MEMORY_MODE_RAM) rd = (RRDDIM *)mymmap(fullfilename, size, ((rrd_memory_mode == RRD_MEMORY_MODE_MAP)?MAP_SHARED:MAP_PRIVATE), 1);
+	if(rd) {
+		struct timeval now;
+		gettimeofday(&now, NULL);
+
+		if(strcmp(rd->magic, RRDDIMENSION_MAGIC) != 0) {
+			errno = 0;
+			info("Initializing file %s.", fullfilename);
+			bzero(rd, size);
+		}
+		else if(rd->memsize != size) {
+			errno = 0;
+			error("File %s does not have the desired size. Clearing it.", fullfilename);
+			bzero(rd, size);
+		}
+		else if(rd->multiplier != multiplier) {
+			errno = 0;
+			error("File %s does not have the same multiplier. Clearing it.", fullfilename);
+			bzero(rd, size);
+		}
+		else if(rd->divisor != divisor) {
+			errno = 0;
+			error("File %s does not have the same divisor. Clearing it.", fullfilename);
+			bzero(rd, size);
+		}
+		else if(rd->algorithm != algorithm) {
+			errno = 0;
+			error("File %s does not have the same algorithm. Clearing it.", fullfilename);
+			bzero(rd, size);
+		}
+		else if(rd->update_every != st->update_every) {
+			errno = 0;
+			error("File %s does not have the same refresh frequency. Clearing it.", fullfilename);
+			bzero(rd, size);
+		}
+		else if(usecdiff(&now, &rd->last_collected_time) > (rd->entries * rd->update_every * 1000000ULL)) {
+			errno = 0;
+			error("File %s is too old. Clearing it.", fullfilename);
+			bzero(rd, size);
+		}
+		else if(strcmp(rd->id, id) != 0) {
+			errno = 0;
+			error("File %s contents are not for dimension %s. Clearing it.", fullfilename, id);
+			// munmap(rd, size);
+			// rd = NULL;
+			bzero(rd, size);
+		}
+	}
+
+	if(rd) {
+		// we have a file mapped for rd
+		rd->mapped = rrd_memory_mode;
+		rd->flags = 0x00000000;
+		rd->next = NULL;
+		rd->name = NULL;
+	}
+	else {
+		// if we didn't manage to get a mmap'd dimension, just create one
+
+		rd = calloc(1, size);
+		if(!rd) {
+			fatal("Cannot allocate RRD_DIMENSION %s/%s.", st->id, id);
+			return NULL;
+		}
+
+		rd->mapped = RRD_MEMORY_MODE_RAM;
+	}
+	rd->memsize = size;
+
+	strcpy(rd->magic, RRDDIMENSION_MAGIC);
+	strcpy(rd->cache_filename, fullfilename);
+	strncpy(rd->id, id, RRD_ID_LENGTH_MAX);
+	rd->hash = simple_hash(rd->id);
+
+	snprintf(varname, CONFIG_MAX_NAME, "dim %s name", rd->id);
+	rd->name = config_get(st->id, varname, (name && *name)?name:rd->id);
+
+	snprintf(varname, CONFIG_MAX_NAME, "dim %s algorithm", rd->id);
+	rd->algorithm = rrddim_algorithm_id(config_get(st->id, varname, rrddim_algorithm_name(algorithm)));
+
+	snprintf(varname, CONFIG_MAX_NAME, "dim %s multiplier", rd->id);
+	rd->multiplier = config_get_number(st->id, varname, multiplier);
+
+	snprintf(varname, CONFIG_MAX_NAME, "dim %s divisor", rd->id);
+	rd->divisor = config_get_number(st->id, varname, divisor);
+	if(!rd->divisor) rd->divisor = 1;
+
+	rd->entries = st->entries;
+	rd->update_every = st->update_every;
+
+	// prevent incremental calculation spikes
+	rd->counter = 0;
+
+	// append this dimension
+	pthread_rwlock_wrlock(&st->rwlock);
+	if(!st->dimensions)
+		st->dimensions = rd;
+	else {
+		RRDDIM *td = st->dimensions;
+		for(; td->next; td = td->next) ;
+		td->next = rd;
+	}
+	pthread_rwlock_unlock(&st->rwlock);
+
+	rrddim_index_add(st, rd);
+
+	return(rd);
+}
+
+void rrddim_set_name(RRDSET *st, RRDDIM *rd, const char *name)
+{
+	debug(D_RRD_CALLS, "rrddim_set_name() %s.%s", st->name, rd->name);
+
+	char varname[CONFIG_MAX_NAME + 1];
+	snprintf(varname, CONFIG_MAX_NAME, "dim %s name", rd->id);
+	config_set_default(st->id, varname, name);
+}
+
+void rrddim_free(RRDSET *st, RRDDIM *rd)
+{
+	debug(D_RRD_CALLS, "rrddim_free() %s.%s", st->name, rd->name);
+
+	RRDDIM *i, *last = NULL;
+	for(i = st->dimensions; i && i != rd ; i = i->next) last = i;
+
+	if(!i) {
+		error("Request to free dimension %s.%s but it is not linked.", st->id, rd->name);
+		return;
+	}
+
+	if(last) last->next = rd->next;
+	else st->dimensions = rd->next;
+	rd->next = NULL;
+
+	rrddim_index_del(st, rd);
+
+	// free(rd->annotations);
+	if(rd->mapped == RRD_MEMORY_MODE_SAVE) {
+		debug(D_RRD_CALLS, "Saving dimension '%s' to '%s'.", rd->name, rd->cache_filename);
+		savememory(rd->cache_filename, rd, rd->memsize);
+
+		debug(D_RRD_CALLS, "Unmapping dimension '%s'.", rd->name);
+		munmap(rd, rd->memsize);
+	}
+	else if(rd->mapped == RRD_MEMORY_MODE_MAP) {
+		debug(D_RRD_CALLS, "Unmapping dimension '%s'.", rd->name);
+		munmap(rd, rd->memsize);
+	}
+	else {
+		debug(D_RRD_CALLS, "Removing dimension '%s'.", rd->name);
+		free(rd);
+	}
+}
+
+void rrdset_free_all(void)
+{
+	info("Freeing all memory...");
+
+	RRDSET *st;
+	for(st = rrdset_root; st ;) {
+		RRDSET *next = st->next;
+
+		while(st->dimensions)
+			rrddim_free(st, st->dimensions);
+
+		rrdset_index_del(st);
+
+		if(st->mapped == RRD_MEMORY_MODE_SAVE) {
+			debug(D_RRD_CALLS, "Saving stats '%s' to '%s'.", st->name, st->cache_filename);
+			savememory(st->cache_filename, st, st->memsize);
+
+			debug(D_RRD_CALLS, "Unmapping stats '%s'.", st->name);
+			munmap(st, st->memsize);
+		}
+		else if(st->mapped == RRD_MEMORY_MODE_MAP) {
+			debug(D_RRD_CALLS, "Unmapping stats '%s'.", st->name);
+			munmap(st, st->memsize);
+		}
+		else
+			free(st);
+
+		st = next;
+	}
+	rrdset_root = NULL;
+
+	info("Memory cleanup completed...");
+}
+
+void rrdset_save_all(void)
+{
+	debug(D_RRD_CALLS, "rrdset_save_all()");
+
+	RRDSET *st;
+	RRDDIM *rd;
+
+	pthread_rwlock_wrlock(&rrdset_root_rwlock);
+	for(st = rrdset_root; st ; st = st->next) {
+		pthread_rwlock_wrlock(&st->rwlock);
+
+		if(st->mapped == RRD_MEMORY_MODE_SAVE) {
+			debug(D_RRD_CALLS, "Saving stats '%s' to '%s'.", st->name, st->cache_filename);
+			savememory(st->cache_filename, st, st->memsize);
+		}
+
+		for(rd = st->dimensions; rd ; rd = rd->next) {
+			if(likely(rd->mapped == RRD_MEMORY_MODE_SAVE)) {
+				debug(D_RRD_CALLS, "Saving dimension '%s' to '%s'.", rd->name, rd->cache_filename);
+				savememory(rd->cache_filename, rd, rd->memsize);
+			}
+		}
+
+		pthread_rwlock_unlock(&st->rwlock);
+	}
+	pthread_rwlock_unlock(&rrdset_root_rwlock);
+}
+
+
+RRDSET *rrdset_find(const char *id)
+{
+	debug(D_RRD_CALLS, "rrdset_find() for chart %s", id);
+
+	RRDSET *st = rrdset_index_find(id, 0);
+	return(st);
+}
+
+RRDSET *rrdset_find_bytype(const char *type, const char *id)
+{
+	debug(D_RRD_CALLS, "rrdset_find_bytype() for chart %s.%s", type, id);
+
+	char buf[RRD_ID_LENGTH_MAX + 1];
+
+	strncpy(buf, type, RRD_ID_LENGTH_MAX - 1);
+	buf[RRD_ID_LENGTH_MAX - 1] = '\0';
+	strcat(buf, ".");
+	int len = (int) strlen(buf);
+	strncpy(&buf[len], id, (size_t) (RRD_ID_LENGTH_MAX - len));
+	buf[RRD_ID_LENGTH_MAX] = '\0';
+
+	return(rrdset_find(buf));
+}
+
+RRDSET *rrdset_find_byname(const char *name)
+{
+	debug(D_RRD_CALLS, "rrdset_find_byname() for chart %s", name);
+
+	RRDSET *st = rrdset_index_find_name(name, 0);
+	return(st);
+}
+
+RRDDIM *rrddim_find(RRDSET *st, const char *id)
+{
+	debug(D_RRD_CALLS, "rrddim_find() for chart %s, dimension %s", st->name, id);
+
+	return rrddim_index_find(st, id, 0);
+}
+
+int rrddim_hide(RRDSET *st, const char *id)
+{
+	debug(D_RRD_CALLS, "rrddim_hide() for chart %s, dimension %s", st->name, id);
+
+	RRDDIM *rd = rrddim_find(st, id);
+	if(unlikely(!rd)) {
+		error("Cannot find dimension with id '%s' on stats '%s' (%s).", id, st->name, st->id);
+		return 1;
+	}
+
+	rd->flags |= RRDDIM_FLAG_HIDDEN;
+	return 0;
+}
+
+int rrddim_unhide(RRDSET *st, const char *id)
+{
+	debug(D_RRD_CALLS, "rrddim_unhide() for chart %s, dimension %s", st->name, id);
+
+	RRDDIM *rd = rrddim_find(st, id);
+	if(unlikely(!rd)) {
+		error("Cannot find dimension with id '%s' on stats '%s' (%s).", id, st->name, st->id);
+		return 1;
+	}
+
+	if(rd->flags & RRDDIM_FLAG_HIDDEN) rd->flags ^= RRDDIM_FLAG_HIDDEN;
+	return 0;
+}
+
+collected_number rrddim_set_by_pointer(RRDSET *st, RRDDIM *rd, collected_number value)
+{
+	debug(D_RRD_CALLS, "rrddim_set_by_pointer() for chart %s, dimension %s, value " COLLECTED_NUMBER_FORMAT, st->name, rd->name, value);
+
+	gettimeofday(&rd->last_collected_time, NULL);
+	rd->collected_value = value;
+	rd->updated = 1;
+	rd->counter++;
+
+	return rd->last_collected_value;
+}
+
+collected_number rrddim_set(RRDSET *st, const char *id, collected_number value)
+{
+	RRDDIM *rd = rrddim_find(st, id);
+	if(unlikely(!rd)) {
+		error("Cannot find dimension with id '%s' on stats '%s' (%s).", id, st->name, st->id);
+		return 0;
+	}
+
+	return rrddim_set_by_pointer(st, rd, value);
+}
+
+void rrdset_next_usec(RRDSET *st, unsigned long long microseconds)
+{
+	if(!microseconds) rrdset_next(st);
+	else {
+		debug(D_RRD_CALLS, "rrdset_next_usec() for chart %s with microseconds %llu", st->name, microseconds);
+
+		if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: NEXT: %llu microseconds", st->name, microseconds);
+		st->usec_since_last_update = microseconds;
+	}
+}
+
+void rrdset_next(RRDSET *st)
+{
+	unsigned long long microseconds = 0;
+
+	if(likely(st->last_collected_time.tv_sec)) {
+		struct timeval now;
+		gettimeofday(&now, NULL);
+		microseconds = usecdiff(&now, &st->last_collected_time);
+	}
+	// prevent infinite loop
+	else microseconds = st->update_every * 1000000ULL;
+
+	rrdset_next_usec(st, microseconds);
+}
+
+void rrdset_next_plugins(RRDSET *st)
+{
+	rrdset_next(st);
+}
+
+unsigned long long rrdset_done(RRDSET *st)
+{
+	debug(D_RRD_CALLS, "rrdset_done() for chart %s", st->name);
+
+	RRDDIM *rd, *last;
+	int oldstate, store_this_entry = 1, first_entry = 0;
+	unsigned long long last_ut, now_ut, next_ut, stored_entries = 0;
+
+	if(unlikely(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate) != 0))
+		error("Cannot set pthread cancel state to DISABLE.");
+
+	// a read lock is OK here
+	pthread_rwlock_rdlock(&st->rwlock);
+
+	// enable the chart, if it was disabled
+	st->enabled = 1;
+
+	// check if the chart has a long time to be updated
+	if(unlikely(st->usec_since_last_update > st->entries * st->update_every * 1000000ULL)) {
+		info("%s: took too long to be updated (%0.3Lf secs). Reseting it.", st->name, (long double)(st->usec_since_last_update / 1000000.0));
+		rrdset_reset(st);
+		st->usec_since_last_update = st->update_every * 1000000ULL;
+		first_entry = 1;
+	}
+	if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: microseconds since last update: %llu", st->name, st->usec_since_last_update);
+
+	// set last_collected_time
+	if(unlikely(!st->last_collected_time.tv_sec)) {
+		// it is the first entry
+		// set the last_collected_time to now
+		gettimeofday(&st->last_collected_time, NULL);
+
+		// the first entry should not be stored
+		store_this_entry = 0;
+		first_entry = 1;
+
+		if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: has not set last_collected_time. Setting it now. Will not store the next entry.", st->name);
+	}
+	else {
+		// it is not the first entry
+		// calculate the proper last_collected_time, using usec_since_last_update
+		unsigned long long ut = st->last_collected_time.tv_sec * 1000000ULL + st->last_collected_time.tv_usec + st->usec_since_last_update;
+		st->last_collected_time.tv_sec = (time_t) (ut / 1000000ULL);
+		st->last_collected_time.tv_usec = (useconds_t) (ut % 1000000ULL);
+	}
+
+	// if this set has not been updated in the past
+	// we fake the last_update time to be = now - usec_since_last_update
+	if(unlikely(!st->last_updated.tv_sec)) {
+		// it has never been updated before
+		// set a fake last_updated, in the past using usec_since_last_update
+		unsigned long long ut = st->last_collected_time.tv_sec * 1000000ULL + st->last_collected_time.tv_usec - st->usec_since_last_update;
+		st->last_updated.tv_sec = (time_t) (ut / 1000000ULL);
+		st->last_updated.tv_usec = (useconds_t) (ut % 1000000ULL);
+
+		// the first entry should not be stored
+		store_this_entry = 0;
+		first_entry = 1;
+
+		if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: initializing last_updated to now - %llu microseconds (%0.3Lf). Will not store the next entry.", st->name, st->usec_since_last_update, (long double)ut/1000000.0);
+	}
+
+	// check if we will re-write the entire data set
+	if(unlikely(usecdiff(&st->last_collected_time, &st->last_updated) > st->update_every * st->entries * 1000000ULL)) {
+		info("%s: too old data (last updated at %u.%u, last collected at %u.%u). Reseting it. Will not store the next entry.", st->name, st->last_updated.tv_sec, st->last_updated.tv_usec, st->last_collected_time.tv_sec, st->last_collected_time.tv_usec);
+		rrdset_reset(st);
+
+		st->usec_since_last_update = st->update_every * 1000000ULL;
+
+		gettimeofday(&st->last_collected_time, NULL);
+
+		unsigned long long ut = st->last_collected_time.tv_sec * 1000000ULL + st->last_collected_time.tv_usec - st->usec_since_last_update;
+		st->last_updated.tv_sec = (time_t) (ut / 1000000ULL);
+		st->last_updated.tv_usec = (useconds_t) (ut % 1000000ULL);
+
+		// the first entry should not be stored
+		store_this_entry = 0;
+		first_entry = 1;
+	}
+
+	// these are the 3 variables that will help us in interpolation
+	// last_ut = the last time we added a value to the storage
+	//  now_ut = the time the current value is taken at
+	// next_ut = the time of the next interpolation point
+	last_ut = st->last_updated.tv_sec * 1000000ULL + st->last_updated.tv_usec;
+	now_ut  = st->last_collected_time.tv_sec * 1000000ULL + st->last_collected_time.tv_usec;
+	next_ut = (st->last_updated.tv_sec + st->update_every) * 1000000ULL;
+
+	if(unlikely(!first_entry && now_ut < next_ut)) {
+		if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: THIS IS IN THE SAME INTERPOLATION POINT", st->name);
+	}
+
+	if(unlikely(st->debug)) {
+		debug(D_RRD_STATS, "%s: last ut = %0.3Lf (last updated time)", st->name, (long double)last_ut/1000000.0);
+		debug(D_RRD_STATS, "%s: now  ut = %0.3Lf (current update time)", st->name, (long double)now_ut/1000000.0);
+		debug(D_RRD_STATS, "%s: next ut = %0.3Lf (next interpolation point)", st->name, (long double)next_ut/1000000.0);
+	}
+
+	if(unlikely(!st->counter_done)) {
+		store_this_entry = 0;
+		if(unlikely(st->debug)) debug(D_RRD_STATS, "%s: Will not store the next entry.", st->name);
+	}
+	st->counter_done++;
+
+	// calculate totals and count the dimensions
+	int dimensions;
+	st->collected_total = 0;
+	for( rd = st->dimensions, dimensions = 0 ; likely(rd) ; rd = rd->next, dimensions++ )
+		st->collected_total += rd->collected_value;
+
+	uint32_t storage_flags = SN_EXISTS;
+
+	// process all dimensions to calculate their values
+	// based on the collected figures only
+	// at this stage we do not interpolate anything
+	for( rd = st->dimensions ; likely(rd) ; rd = rd->next ) {
+
+		if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: START "
+			" last_collected_value = " COLLECTED_NUMBER_FORMAT
+			" collected_value = " COLLECTED_NUMBER_FORMAT
+			" last_calculated_value = " CALCULATED_NUMBER_FORMAT
+			" calculated_value = " CALCULATED_NUMBER_FORMAT
+			, st->id, rd->name
+			, rd->last_collected_value
+			, rd->collected_value
+			, rd->last_calculated_value
+			, rd->calculated_value
+			);
+
+		switch(rd->algorithm) {
+		case RRDDIM_ABSOLUTE:
+			rd->calculated_value = (calculated_number)rd->collected_value
+				* (calculated_number)rd->multiplier
+				/ (calculated_number)rd->divisor;
+
+			if(unlikely(st->debug))
+				debug(D_RRD_STATS, "%s/%s: CALC ABS/ABS-NO-IN "
+					CALCULATED_NUMBER_FORMAT " = "
+					COLLECTED_NUMBER_FORMAT
+					" * " CALCULATED_NUMBER_FORMAT
+					" / " CALCULATED_NUMBER_FORMAT
+					, st->id, rd->name
+					, rd->calculated_value
+					, rd->collected_value
+					, (calculated_number)rd->multiplier
+					, (calculated_number)rd->divisor
+					);
+			break;
+
+			case RRDDIM_PCENT_OVER_ROW_TOTAL:
+				if(unlikely(!st->collected_total)) rd->calculated_value = 0;
+				else
+				// the percentage of the current value
+				// over the total of all dimensions
+				rd->calculated_value =
+					  (calculated_number)100
+					* (calculated_number)rd->collected_value
+					/ (calculated_number)st->collected_total;
+
+				if(unlikely(st->debug))
+					debug(D_RRD_STATS, "%s/%s: CALC PCENT-ROW "
+						CALCULATED_NUMBER_FORMAT " = 100"
+						" * " COLLECTED_NUMBER_FORMAT
+						" / " COLLECTED_NUMBER_FORMAT
+						, st->id, rd->name
+						, rd->calculated_value
+						, rd->collected_value
+						, st->collected_total
+						);
+				break;
+
+			case RRDDIM_INCREMENTAL:
+				if(unlikely(!rd->updated || rd->counter <= 1)) {
+					rd->calculated_value = 0;
+					continue;
+				}
+
+				// if the new is smaller than the old (an overflow, or reset), set the old equal to the new
+				// to reset the calculation (it will give zero as the calculation for this second)
+				if(unlikely(rd->last_collected_value > rd->collected_value)) {
+					debug(D_RRD_STATS, "%s.%s: RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
+							, st->name, rd->name
+							, rd->last_collected_value
+							, rd->collected_value);
+					if(!(rd->flags & RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS)) storage_flags = SN_EXISTS_RESET;
+					rd->last_collected_value = rd->collected_value;
+				}
+
+				rd->calculated_value = (calculated_number)(rd->collected_value - rd->last_collected_value)
+					* (calculated_number)rd->multiplier
+					/ (calculated_number)rd->divisor;
+
+				if(unlikely(st->debug))
+					debug(D_RRD_STATS, "%s/%s: CALC INC PRE "
+						CALCULATED_NUMBER_FORMAT " = ("
+						COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT
+						")"
+						" * " CALCULATED_NUMBER_FORMAT
+						" / " CALCULATED_NUMBER_FORMAT
+						, st->id, rd->name
+						, rd->calculated_value
+						, rd->collected_value, rd->last_collected_value
+						, (calculated_number)rd->multiplier
+						, (calculated_number)rd->divisor
+						);
+				break;
+
+			case RRDDIM_PCENT_OVER_DIFF_TOTAL:
+				if(unlikely(!rd->updated || rd->counter <= 1)) {
+					rd->calculated_value = 0;
+					continue;
+				}
+
+				// the percentage of the current increment
+				// over the increment of all dimensions together
+				if(unlikely(st->collected_total == st->last_collected_total)) rd->calculated_value = rd->last_calculated_value;
+				else rd->calculated_value =
+					  (calculated_number)100
+					* (calculated_number)(rd->collected_value - rd->last_collected_value)
+					/ (calculated_number)(st->collected_total  - st->last_collected_total);
+
+				if(unlikely(st->debug))
+					debug(D_RRD_STATS, "%s/%s: CALC PCENT-DIFF "
+						CALCULATED_NUMBER_FORMAT " = 100"
+						" * (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
+						" / (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
+						, st->id, rd->name
+						, rd->calculated_value
+						, rd->collected_value, rd->last_collected_value
+						, st->collected_total, st->last_collected_total
+						);
+				break;
+
+			default:
+				// make the default zero, to make sure
+				// it gets noticed when we add new types
+				rd->calculated_value = 0;
+
+				if(unlikely(st->debug))
+					debug(D_RRD_STATS, "%s/%s: CALC "
+						CALCULATED_NUMBER_FORMAT " = 0"
+						, st->id, rd->name
+						, rd->calculated_value
+						);
+				break;
+		}
+
+		if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: PHASE2 "
+			" last_collected_value = " COLLECTED_NUMBER_FORMAT
+			" collected_value = " COLLECTED_NUMBER_FORMAT
+			" last_calculated_value = " CALCULATED_NUMBER_FORMAT
+			" calculated_value = " CALCULATED_NUMBER_FORMAT
+			, st->id, rd->name
+			, rd->last_collected_value
+			, rd->collected_value
+			, rd->last_calculated_value
+			, rd->calculated_value
+			);
+
+	}
+
+	// at this point we have all the calculated values ready
+	// it is now time to interpolate values on a second boundary
+
+	unsigned long long first_ut = last_ut;
+	long long iterations = (now_ut - last_ut) / (st->update_every * 1000000ULL);
+	if((now_ut % (st->update_every * 1000000ULL)) == 0) iterations++;
+
+	for( ; likely(next_ut <= now_ut) ; next_ut += st->update_every * 1000000ULL, iterations-- ) {
+#ifdef NETDATA_INTERNAL_CHECKS
+		if(iterations < 0) { error("%s: iterations calculation wrapped! first_ut = %llu, last_ut = %llu, next_ut = %llu, now_ut = %llu", st->name, first_ut, last_ut, next_ut, now_ut); }
+#endif
+
+		if(unlikely(st->debug)) {
+			debug(D_RRD_STATS, "%s: last ut = %0.3Lf (last updated time)", st->name, (long double)last_ut/1000000.0);
+			debug(D_RRD_STATS, "%s: next ut = %0.3Lf (next interpolation point)", st->name, (long double)next_ut/1000000.0);
+		}
+
+		st->last_updated.tv_sec = (time_t) (next_ut / 1000000ULL);
+		st->last_updated.tv_usec = 0;
+
+		for( rd = st->dimensions ; likely(rd) ; rd = rd->next ) {
+			calculated_number new_value;
+
+			switch(rd->algorithm) {
+				case RRDDIM_INCREMENTAL:
+					new_value = (calculated_number)
+						(	   rd->calculated_value
+							* (calculated_number)(next_ut - last_ut)
+							/ (calculated_number)(now_ut - last_ut)
+						);
+
+					if(unlikely(st->debug))
+						debug(D_RRD_STATS, "%s/%s: CALC2 INC "
+							CALCULATED_NUMBER_FORMAT " = "
+							CALCULATED_NUMBER_FORMAT
+							" * %llu"
+							" / %llu"
+							, st->id, rd->name
+							, new_value
+							, rd->calculated_value
+							, (next_ut - last_ut)
+							, (now_ut - last_ut)
+							);
+
+					rd->calculated_value -= new_value;
+					new_value += rd->last_calculated_value;
+					rd->last_calculated_value = 0;
+					new_value /= (calculated_number)st->update_every;
+					break;
+
+				case RRDDIM_ABSOLUTE:
+				case RRDDIM_PCENT_OVER_ROW_TOTAL:
+				case RRDDIM_PCENT_OVER_DIFF_TOTAL:
+				default:
+					if(iterations == 1) {
+						// this is the last iteration
+						// do not interpolate
+						// just show the calculated value
+
+						new_value = rd->calculated_value;
+					}
+					else {
+						// we have missed an update
+						// interpolate in the middle values
+
+						new_value = (calculated_number)
+							(	(	  (rd->calculated_value - rd->last_calculated_value)
+									* (calculated_number)(next_ut - first_ut)
+									/ (calculated_number)(now_ut - first_ut)
+								)
+								+  rd->last_calculated_value
+							);
+
+						if(unlikely(st->debug))
+							debug(D_RRD_STATS, "%s/%s: CALC2 DEF "
+								CALCULATED_NUMBER_FORMAT " = ((("
+								"(" CALCULATED_NUMBER_FORMAT " - " CALCULATED_NUMBER_FORMAT ")"
+								" * %llu"
+								" / %llu) + " CALCULATED_NUMBER_FORMAT
+								, st->id, rd->name
+								, new_value
+								, rd->calculated_value, rd->last_calculated_value
+								, (next_ut - first_ut)
+								, (now_ut - first_ut), rd->last_calculated_value
+								);
+
+						// this is wrong
+						// it fades the value towards the target
+						// while we know the calculated value is different
+						// if(likely(next_ut + st->update_every * 1000000ULL > now_ut)) rd->calculated_value = new_value;
+					}
+					break;
+			}
+
+			if(unlikely(!store_this_entry)) {
+				store_this_entry = 1;
+				continue;
+			}
+
+			if(likely(rd->updated && rd->counter > 1 && iterations < st->gap_when_lost_iterations_above)) {
+				rd->values[st->current_entry] = pack_storage_number(new_value, storage_flags );
+
+				if(unlikely(st->debug))
+					debug(D_RRD_STATS, "%s/%s: STORE[%ld] "
+						CALCULATED_NUMBER_FORMAT " = " CALCULATED_NUMBER_FORMAT
+						, st->id, rd->name
+						, st->current_entry
+						, unpack_storage_number(rd->values[st->current_entry]), new_value
+						);
+			}
+			else {
+				if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: STORE[%ld] = NON EXISTING "
+						, st->id, rd->name
+						, st->current_entry
+						);
+				rd->values[st->current_entry] = pack_storage_number(0, SN_NOT_EXISTS);
+			}
+
+			stored_entries++;
+
+			if(unlikely(st->debug)) {
+				calculated_number t1 = new_value * (calculated_number)rd->multiplier / (calculated_number)rd->divisor;
+				calculated_number t2 = unpack_storage_number(rd->values[st->current_entry]);
+				calculated_number accuracy = accuracy_loss(t1, t2);
+				debug(D_RRD_STATS, "%s/%s: UNPACK[%ld] = " CALCULATED_NUMBER_FORMAT " FLAGS=0x%08x (original = " CALCULATED_NUMBER_FORMAT ", accuracy loss = " CALCULATED_NUMBER_FORMAT "%%%s)"
+						, st->id, rd->name
+						, st->current_entry
+						, t2
+						, get_storage_number_flags(rd->values[st->current_entry])
+						, t1
+						, accuracy
+						, (accuracy > ACCURACY_LOSS) ? " **TOO BIG** " : ""
+						);
+
+				rd->collected_volume += t1;
+				rd->stored_volume += t2;
+				accuracy = accuracy_loss(rd->collected_volume, rd->stored_volume);
+				debug(D_RRD_STATS, "%s/%s: VOLUME[%ld] = " CALCULATED_NUMBER_FORMAT ", calculated  = " CALCULATED_NUMBER_FORMAT ", accuracy loss = " CALCULATED_NUMBER_FORMAT "%%%s"
+						, st->id, rd->name
+						, st->current_entry
+						, rd->stored_volume
+						, rd->collected_volume
+						, accuracy
+						, (accuracy > ACCURACY_LOSS) ? " **TOO BIG** " : ""
+						);
+
+			}
+		}
+		// reset the storage flags for the next point, if any;
+		storage_flags = SN_EXISTS;
+
+		st->counter++;
+		st->current_entry = ((st->current_entry + 1) >= st->entries) ? 0 : st->current_entry + 1;
+		last_ut = next_ut;
+	}
+
+	// align next interpolation to last collection point
+	if(likely(stored_entries || !store_this_entry)) {
+		st->last_updated.tv_sec = st->last_collected_time.tv_sec;
+		st->last_updated.tv_usec = st->last_collected_time.tv_usec;
+	}
+
+	for( rd = st->dimensions; likely(rd) ; rd = rd->next ) {
+		if(unlikely(!rd->updated)) continue;
+
+		if(likely(stored_entries || !store_this_entry)) {
+			if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: setting last_collected_value (old: " COLLECTED_NUMBER_FORMAT ") to last_collected_value (new: " COLLECTED_NUMBER_FORMAT ")", st->id, rd->name, rd->last_collected_value, rd->collected_value);
+			rd->last_collected_value = rd->collected_value;
+
+			if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: setting last_calculated_value (old: " CALCULATED_NUMBER_FORMAT ") to last_calculated_value (new: " CALCULATED_NUMBER_FORMAT ")", st->id, rd->name, rd->last_calculated_value, rd->calculated_value);
+			rd->last_calculated_value = rd->calculated_value;
+		}
+
+		rd->calculated_value = 0;
+		rd->collected_value = 0;
+		rd->updated = 0;
+
+		if(unlikely(st->debug)) debug(D_RRD_STATS, "%s/%s: END "
+			" last_collected_value = " COLLECTED_NUMBER_FORMAT
+			" collected_value = " COLLECTED_NUMBER_FORMAT
+			" last_calculated_value = " CALCULATED_NUMBER_FORMAT
+			" calculated_value = " CALCULATED_NUMBER_FORMAT
+			, st->id, rd->name
+			, rd->last_collected_value
+			, rd->collected_value
+			, rd->last_calculated_value
+			, rd->calculated_value
+			);
+	}
+	st->last_collected_total  = st->collected_total;
+
+	// ALL DONE ABOUT THE DATA UPDATE
+	// --------------------------------------------------------------------
+
+	// find if there are any obsolete dimensions (not updated recently)
+	if(unlikely(rrd_delete_unupdated_dimensions)) {
+
+		for( rd = st->dimensions; likely(rd) ; rd = rd->next )
+			if((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec)
+				break;
+
+		if(unlikely(rd)) {
+			// there is dimension to free
+			// upgrade our read lock to a write lock
+			pthread_rwlock_unlock(&st->rwlock);
+			pthread_rwlock_wrlock(&st->rwlock);
+
+			for( rd = st->dimensions, last = NULL ; likely(rd) ; ) {
+				// remove it only it is not updated in rrd_delete_unupdated_dimensions seconds
+
+				if(unlikely((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec)) {
+					info("Removing obsolete dimension '%s' (%s) of '%s' (%s).", rd->name, rd->id, st->name, st->id);
+
+					if(unlikely(!last)) {
+						st->dimensions = rd->next;
+						rd->next = NULL;
+						rrddim_free(st, rd);
+						rd = st->dimensions;
+						continue;
+					}
+					else {
+						last->next = rd->next;
+						rd->next = NULL;
+						rrddim_free(st, rd);
+						rd = last->next;
+						continue;
+					}
+				}
+
+				last = rd;
+				rd = rd->next;
+			}
+
+			if(unlikely(!st->dimensions)) {
+				info("Disabling chart %s (%s) since it does not have any dimensions", st->name, st->id);
+				st->enabled = 0;
+			}
+		}
+	}
+
+	pthread_rwlock_unlock(&st->rwlock);
+
+	if(unlikely(pthread_setcancelstate(oldstate, NULL) != 0))
+		error("Cannot set pthread cancel state to RESTORE (%d).", oldstate);
+
+	return(st->usec_since_last_update);
+}
diff --git a/src/rrd.h b/src/rrd.h
new file mode 100755
index 00000000..4211b7d5
--- /dev/null
+++ b/src/rrd.h
@@ -0,0 +1,340 @@
+#include <sys/time.h>
+#include <pthread.h>
+#include <stdint.h>
+
+#include "avl.h"
+#include "storage_number.h"
+
+#ifndef NETDATA_RRD_H
+#define NETDATA_RRD_H 1
+
+#define UPDATE_EVERY 1
+#define UPDATE_EVERY_MAX 3600
+extern int rrd_update_every;
+
+#define RRD_DEFAULT_HISTORY_ENTRIES 3600
+#define RRD_HISTORY_ENTRIES_MAX (86400*10)
+extern int rrd_default_history_entries;
+
+// time in seconds to delete unupdated dimensions
+// set to zero to disable this feature
+extern int rrd_delete_unupdated_dimensions;
+
+#define RRD_ID_LENGTH_MAX 1024
+
+#define RRDSET_MAGIC		"NETDATA RRD SET FILE V017"
+#define RRDDIMENSION_MAGIC	"NETDATA RRD DIMENSION FILE V017"
+
+typedef long long total_number;
+#define TOTAL_NUMBER_FORMAT "%lld"
+
+// ----------------------------------------------------------------------------
+// chart types
+
+#define RRDSET_TYPE_LINE_NAME "line"
+#define RRDSET_TYPE_AREA_NAME "area"
+#define RRDSET_TYPE_STACKED_NAME "stacked"
+
+#define RRDSET_TYPE_LINE	0
+#define RRDSET_TYPE_AREA 	1
+#define RRDSET_TYPE_STACKED 2
+
+int rrdset_type_id(const char *name);
+const char *rrdset_type_name(int chart_type);
+
+
+// ----------------------------------------------------------------------------
+// memory mode
+
+#define RRD_MEMORY_MODE_RAM_NAME "ram"
+#define RRD_MEMORY_MODE_MAP_NAME "map"
+#define RRD_MEMORY_MODE_SAVE_NAME "save"
+
+#define RRD_MEMORY_MODE_RAM 0
+#define RRD_MEMORY_MODE_MAP 1
+#define RRD_MEMORY_MODE_SAVE 2
+
+extern int rrd_memory_mode;
+
+extern const char *rrd_memory_mode_name(int id);
+extern int rrd_memory_mode_id(const char *name);
+
+
+// ----------------------------------------------------------------------------
+// algorithms types
+
+#define RRDDIM_ABSOLUTE_NAME 				"absolute"
+#define RRDDIM_INCREMENTAL_NAME 			"incremental"
+#define RRDDIM_PCENT_OVER_DIFF_TOTAL_NAME	"percentage-of-incremental-row"
+#define RRDDIM_PCENT_OVER_ROW_TOTAL_NAME	"percentage-of-absolute-row"
+
+#define RRDDIM_ABSOLUTE					0
+#define RRDDIM_INCREMENTAL				1
+#define RRDDIM_PCENT_OVER_DIFF_TOTAL	2
+#define RRDDIM_PCENT_OVER_ROW_TOTAL		3
+
+extern int rrddim_algorithm_id(const char *name);
+extern const char *rrddim_algorithm_name(int chart_type);
+
+// ----------------------------------------------------------------------------
+// flags
+
+#define RRDDIM_FLAG_HIDDEN 0x00000001 // this dimension will not be offered to callers
+#define RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS 0x00000002 // do not offer RESET or OVERFLOW info to callers
+
+// ----------------------------------------------------------------------------
+// RRD DIMENSION
+
+struct rrddim {
+	// ------------------------------------------------------------------------
+	// binary indexing structures
+
+	avl avl;										// the binary index - this has to be first member!
+
+	// ------------------------------------------------------------------------
+	// the dimension definition
+
+	char id[RRD_ID_LENGTH_MAX + 1];					// the id of this dimension (for internal identification)
+
+	const char *name;								// the name of this dimension (as presented to user)
+													// this is a pointer to the config structure
+													// since the config always has a higher priority
+													// (the user overwrites the name of the charts)
+
+	int algorithm;									// the algorithm that is applied to add new collected values
+	long multiplier;								// the multiplier of the collected values
+	long divisor;									// the divider of the collected values
+
+	int mapped;										// if set to non zero, this dimension is mapped to a file
+
+	// ------------------------------------------------------------------------
+	// members for temporary data we need for calculations
+
+	uint32_t hash;									// a simple hash of the id, to speed up searching / indexing
+													// instead of strcmp() every item in the binary index
+													// we first compare the hashes
+
+	uint32_t flags;
+
+	char cache_filename[FILENAME_MAX+1];			// the filename we load/save from/to this set
+
+	unsigned long counter;							// the number of times we added values to this rrdim
+
+	int updated;									// set to 0 after each calculation, to 1 after each collected value
+													// we use this to detect that a dimension is not updated
+
+	struct timeval last_collected_time;				// when was this dimension last updated
+													// this is actual date time we updated the last_collected_value
+													// THIS IS DIFFERENT FROM THE SAME MEMBER OF RRDSET
+
+	calculated_number calculated_value;				// the current calculated value, after applying the algorithm
+	calculated_number last_calculated_value;		// the last calculated value
+
+	collected_number collected_value;				// the current value, as collected
+	collected_number last_collected_value;			// the last value that was collected
+
+	// the *_volume members are used to calculate the accuracy of the rounding done by the
+	// storage number - they are printed to debug.log when debug is enabled for a set.
+	calculated_number collected_volume;				// the sum of all collected values so far
+	calculated_number stored_volume;				// the sum of all stored values so far
+
+	struct rrddim *next;							// linking of dimensions within the same data set
+
+	// ------------------------------------------------------------------------
+	// members for checking the data when loading from disk
+
+	long entries;									// how many entries this dimension has in ram
+													// this is the same to the entries of the data set
+													// we set it here, to check the data when we load it from disk.
+
+	int update_every;								// every how many seconds is this updated
+
+	unsigned long memsize;							// the memory allocated for this dimension
+
+	char magic[sizeof(RRDDIMENSION_MAGIC) + 1];		// a string to be saved, used to identify our data file
+
+	// ------------------------------------------------------------------------
+	// the values stored in this dimension, using our floating point numbers
+
+	storage_number values[];						// the array of values - THIS HAS TO BE THE LAST MEMBER
+};
+typedef struct rrddim RRDDIM;
+
+
+// ----------------------------------------------------------------------------
+// RRDSET
+
+struct rrdset {
+	// ------------------------------------------------------------------------
+	// binary indexing structures
+
+	avl avl;										// the index, with key the id - this has to be first!
+	avl avlname;									// the index, with key the name
+
+	// ------------------------------------------------------------------------
+	// the set configuration
+
+	char id[RRD_ID_LENGTH_MAX + 1];					// id of the data set
+
+	const char *name;								// the name of this dimension (as presented to user)
+													// this is a pointer to the config structure
+													// since the config always has a higher priority
+													// (the user overwrites the name of the charts)
+
+	char *type;										// the type of graph RRD_TYPE_* (a category, for determining graphing options)
+	char *family;									// grouping sets under the same family
+	char *context;									// the template of this data set
+	char *title;									// title shown to user
+	char *units;									// units of measurement
+
+	int chart_type;
+
+	int update_every;								// every how many seconds is this updated?
+
+	long entries;									// total number of entries in the data set
+
+	long current_entry;								// the entry that is currently being updated
+													// it goes around in a round-robin fashion
+
+	int enabled;
+
+	int gap_when_lost_iterations_above;				// after how many lost iterations a gap should be stored
+													// netdata will interpolate values for gaps lower than this
+
+	long priority;
+
+	int isdetail;									// if set, the data set should be considered as a detail of another
+													// (the master data set should be the one that has the same family and is not detail)
+
+	// ------------------------------------------------------------------------
+	// members for temporary data we need for calculations
+
+	int mapped;										// if set to 1, this is memory mapped
+
+	int debug;
+
+	char *cache_dir;								// the directory to store dimensions
+	char cache_filename[FILENAME_MAX+1];			// the filename to store this set
+
+	pthread_rwlock_t rwlock;
+
+	unsigned long counter;							// the number of times we added values to this rrd
+	unsigned long counter_done;						// the number of times we added values to this rrd
+
+	uint32_t hash;									// a simple hash on the id, to speed up searching
+													// we first compare hashes, and only if the hashes are equal we do string comparisons
+
+	uint32_t hash_name;								// a simple hash on the name
+
+	unsigned long long usec_since_last_update;		// the time in microseconds since the last collection of data
+
+	struct timeval last_updated;					// when this data set was last updated (updated every time the rrd_stats_done() function)
+	struct timeval last_collected_time;				// when did this data set last collected values
+
+	total_number collected_total;					// used internally to calculate percentages
+	total_number last_collected_total;				// used internally to calculate percentages
+
+	struct rrdset *next;							// linking of rrdsets
+
+	// ------------------------------------------------------------------------
+	// members for checking the data when loading from disk
+
+	unsigned long memsize;							// how much mem we have allocated for this (without dimensions)
+
+	char magic[sizeof(RRDSET_MAGIC) + 1];			// our magic
+
+	// ------------------------------------------------------------------------
+	// the dimensions
+
+	avl_tree dimensions_index;						// the root of the dimensions index
+	RRDDIM *dimensions;								// the actual data for every dimension
+};
+typedef struct rrdset RRDSET;
+
+extern RRDSET *rrdset_root;
+extern pthread_rwlock_t rrdset_root_rwlock;
+
+// ----------------------------------------------------------------------------
+// RRD SET functions
+
+extern char *rrdset_strncpy_name(char *to, const char *from, int length);
+extern void rrdset_set_name(RRDSET *st, const char *name);
+
+extern char *rrdset_cache_dir(const char *id);
+
+extern void rrdset_reset(RRDSET *st);
+
+extern RRDSET *rrdset_create(const char *type
+		, const char *id
+		, const char *name
+		, const char *family
+		, const char *context
+		, const char *title
+		, const char *units
+		, long priority
+		, int update_every
+		, int chart_type);
+
+extern void rrdset_free_all(void);
+extern void rrdset_save_all(void);
+
+extern RRDSET *rrdset_find(const char *id);
+extern RRDSET *rrdset_find_bytype(const char *type, const char *id);
+extern RRDSET *rrdset_find_byname(const char *name);
+
+extern void rrdset_next_usec(RRDSET *st, unsigned long long microseconds);
+extern void rrdset_next(RRDSET *st);
+extern void rrdset_next_plugins(RRDSET *st);
+
+extern unsigned long long rrdset_done(RRDSET *st);
+
+// get the total duration in seconds of the round robin database
+#define rrdset_duration(st) ((time_t)( (((st)->counter >= ((unsigned long)(st)->entries))?(unsigned long)(st)->entries:(st)->counter) * (st)->update_every ))
+
+// get the timestamp of the last entry in the round robin database
+#define rrdset_last_entry_t(st) ((time_t)(((st)->last_updated.tv_sec)))
+
+// get the timestamp of first entry in the round robin database
+#define rrdset_first_entry_t(st) ((time_t)(rrdset_last_entry_t(st) - rrdset_duration(st)))
+
+// get the last slot updated in the round robin database
+#define rrdset_last_slot(st) ((unsigned long)(((st)->current_entry == 0) ? (st)->entries - 1 : (st)->current_entry - 1))
+
+// get the first / oldest slot updated in the round robin database
+#define rrdset_first_slot(st) ((unsigned long)( (((st)->counter >= ((unsigned long)(st)->entries)) ? (unsigned long)( ((unsigned long)(st)->current_entry > 0) ? ((unsigned long)(st)->current_entry) : ((unsigned long)(st)->entries) ) - 1 : 0) ))
+
+// get the slot of the round robin database, for the given timestamp (t)
+// it always returns a valid slot, although may not be for the time requested if the time is outside the round robin database
+#define rrdset_time2slot(st, t) ( \
+		(  (time_t)(t) >= rrdset_last_entry_t(st))  ? ( rrdset_last_slot(st) ) : \
+		( ((time_t)(t) <= rrdset_first_entry_t(st)) ?   rrdset_first_slot(st) : \
+		( (rrdset_last_slot(st) >= (unsigned long)((rrdset_last_entry_t(st) - (time_t)(t)) / (unsigned long)((st)->update_every)) ) ? \
+		  (rrdset_last_slot(st) -  (unsigned long)((rrdset_last_entry_t(st) - (time_t)(t)) / (unsigned long)((st)->update_every)) ) : \
+		  (rrdset_last_slot(st) -  (unsigned long)((rrdset_last_entry_t(st) - (time_t)(t)) / (unsigned long)((st)->update_every)) + (unsigned long)(st)->entries ) \
+		)))
+
+// get the timestamp of a specific slot in the round robin database
+#define rrdset_slot2time(st, slot) ( rrdset_last_entry_t(st) - \
+		((unsigned long)(st)->update_every * ( \
+				( (unsigned long)(slot) > rrdset_last_slot(st)) ? \
+				( (rrdset_last_slot(st) - (unsigned long)(slot) + (unsigned long)(st)->entries) ) : \
+				( (rrdset_last_slot(st) - (unsigned long)(slot)) )) \
+		))
+
+// ----------------------------------------------------------------------------
+// RRD DIMENSION functions
+
+extern RRDDIM *rrddim_add(RRDSET *st, const char *id, const char *name, long multiplier, long divisor, int algorithm);
+
+extern void rrddim_set_name(RRDSET *st, RRDDIM *rd, const char *name);
+extern void rrddim_free(RRDSET *st, RRDDIM *rd);
+
+extern RRDDIM *rrddim_find(RRDSET *st, const char *id);
+
+extern int rrddim_hide(RRDSET *st, const char *id);
+extern int rrddim_unhide(RRDSET *st, const char *id);
+
+extern collected_number rrddim_set_by_pointer(RRDSET *st, RRDDIM *rd, collected_number value);
+extern collected_number rrddim_set(RRDSET *st, const char *id, collected_number value);
+
+#endif /* NETDATA_RRD_H */
diff --git a/src/rrd2json.c b/src/rrd2json.c
new file mode 100755
index 00000000..ad453cb6
--- /dev/null
+++ b/src/rrd2json.c
@@ -0,0 +1,2009 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "log.h"
+#include "common.h"
+#include "rrd2json.h"
+
+#define HOSTNAME_MAX 1024
+char *hostname = "unknown";
+
+void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb)
+{
+	pthread_rwlock_rdlock(&st->rwlock);
+
+	buffer_sprintf(wb,
+		"\t\t{\n"
+		"\t\t\t\"id\": \"%s\",\n"
+		"\t\t\t\"name\": \"%s\",\n"
+		"\t\t\t\"type\": \"%s\",\n"
+		"\t\t\t\"family\": \"%s\",\n"
+		"\t\t\t\"context\": \"%s\",\n"
+		"\t\t\t\"title\": \"%s\",\n"
+		"\t\t\t\"priority\": %ld,\n"
+		"\t\t\t\"enabled\": %s,\n"
+		"\t\t\t\"units\": \"%s\",\n"
+		"\t\t\t\"data_url\": \"/api/v1/data?chart=%s\",\n"
+		"\t\t\t\"chart_type\": \"%s\",\n"
+		"\t\t\t\"duration\": %ld,\n"
+		"\t\t\t\"first_entry\": %lu,\n"
+		"\t\t\t\"last_entry\": %lu,\n"
+		"\t\t\t\"update_every\": %d,\n"
+		"\t\t\t\"dimensions\": {\n"
+		, st->id
+		, st->name
+		, st->type
+		, st->family
+		, st->context
+		, st->title
+		, st->priority
+		, st->enabled?"true":"false"
+		, st->units
+		, st->name
+		, rrdset_type_name(st->chart_type)
+		, st->entries * st->update_every
+		, rrdset_first_entry_t(st)
+		, rrdset_last_entry_t(st)
+		, st->update_every
+		);
+
+	unsigned long memory = st->memsize;
+
+	int c = 0;
+	RRDDIM *rd;
+	for(rd = st->dimensions; rd ; rd = rd->next) {
+		if(rd->flags & RRDDIM_FLAG_HIDDEN) continue;
+
+		memory += rd->memsize;
+
+		buffer_sprintf(wb,
+			"%s"
+			"\t\t\t\t\"%s\": { \"name\": \"%s\" }"
+			, c?",\n":""
+			, rd->id
+			, rd->name
+			);
+
+		c++;
+	}
+
+	buffer_sprintf(wb,
+		"\n\t\t\t}\n"
+		"\t\t}"
+		);
+
+	pthread_rwlock_unlock(&st->rwlock);
+}
+
+void rrd_stats_api_v1_charts(BUFFER *wb)
+{
+	long c;
+	RRDSET *st;
+
+	buffer_sprintf(wb, "{\n"
+		   "\t\"hostname\": \"%s\""
+		",\n\t\"update_every\": %d"
+		",\n\t\"history\": %d"
+		",\n\t\"charts\": {"
+		, hostname
+		, rrd_update_every
+		, rrd_default_history_entries
+		);
+
+	pthread_rwlock_rdlock(&rrdset_root_rwlock);
+	for(st = rrdset_root, c = 0; st ; st = st->next) {
+		if(st->enabled) {
+			if(c) buffer_strcat(wb, ",");
+			buffer_strcat(wb, "\n\t\t\"");
+			buffer_strcat(wb, st->id);
+			buffer_strcat(wb, "\": ");
+			rrd_stats_api_v1_chart(st, wb);
+			c++;
+		}
+	}
+	pthread_rwlock_unlock(&rrdset_root_rwlock);
+
+	buffer_strcat(wb, "\n\t}\n}\n");
+}
+
+
+unsigned long rrd_stats_one_json(RRDSET *st, char *options, BUFFER *wb)
+{
+	time_t now = time(NULL);
+
+	pthread_rwlock_rdlock(&st->rwlock);
+
+	buffer_sprintf(wb,
+		"\t\t{\n"
+		"\t\t\t\"id\": \"%s\",\n"
+		"\t\t\t\"name\": \"%s\",\n"
+		"\t\t\t\"type\": \"%s\",\n"
+		"\t\t\t\"family\": \"%s\",\n"
+		"\t\t\t\"context\": \"%s\",\n"
+		"\t\t\t\"title\": \"%s\",\n"
+		"\t\t\t\"priority\": %ld,\n"
+		"\t\t\t\"enabled\": %d,\n"
+		"\t\t\t\"units\": \"%s\",\n"
+		"\t\t\t\"url\": \"/data/%s/%s\",\n"
+		"\t\t\t\"chart_type\": \"%s\",\n"
+		"\t\t\t\"counter\": %ld,\n"
+		"\t\t\t\"entries\": %ld,\n"
+		"\t\t\t\"first_entry_t\": %lu,\n"
+		"\t\t\t\"last_entry\": %ld,\n"
+		"\t\t\t\"last_entry_t\": %lu,\n"
+		"\t\t\t\"last_entry_secs_ago\": %lu,\n"
+		"\t\t\t\"update_every\": %d,\n"
+		"\t\t\t\"isdetail\": %d,\n"
+		"\t\t\t\"usec_since_last_update\": %llu,\n"
+		"\t\t\t\"collected_total\": " TOTAL_NUMBER_FORMAT ",\n"
+		"\t\t\t\"last_collected_total\": " TOTAL_NUMBER_FORMAT ",\n"
+		"\t\t\t\"dimensions\": [\n"
+		, st->id
+		, st->name
+		, st->type
+		, st->family
+		, st->context
+		, st->title
+		, st->priority
+		, st->enabled
+		, st->units
+		, st->name, options?options:""
+		, rrdset_type_name(st->chart_type)
+		, st->counter
+		, st->entries
+		, rrdset_first_entry_t(st)
+		, rrdset_last_slot(st)
+		, rrdset_last_entry_t(st)
+		, (now < rrdset_last_entry_t(st)) ? (time_t)0 : now - rrdset_last_entry_t(st)
+		, st->update_every
+		, st->isdetail
+		, st->usec_since_last_update
+		, st->collected_total
+		, st->last_collected_total
+		);
+
+	unsigned long memory = st->memsize;
+
+	RRDDIM *rd;
+	for(rd = st->dimensions; rd ; rd = rd->next) {
+
+		memory += rd->memsize;
+
+		buffer_sprintf(wb,
+			"\t\t\t\t{\n"
+			"\t\t\t\t\t\"id\": \"%s\",\n"
+			"\t\t\t\t\t\"name\": \"%s\",\n"
+			"\t\t\t\t\t\"entries\": %ld,\n"
+			"\t\t\t\t\t\"isHidden\": %d,\n"
+			"\t\t\t\t\t\"algorithm\": \"%s\",\n"
+			"\t\t\t\t\t\"multiplier\": %ld,\n"
+			"\t\t\t\t\t\"divisor\": %ld,\n"
+			"\t\t\t\t\t\"last_entry_t\": %lu,\n"
+			"\t\t\t\t\t\"collected_value\": " COLLECTED_NUMBER_FORMAT ",\n"
+			"\t\t\t\t\t\"calculated_value\": " CALCULATED_NUMBER_FORMAT ",\n"
+			"\t\t\t\t\t\"last_collected_value\": " COLLECTED_NUMBER_FORMAT ",\n"
+			"\t\t\t\t\t\"last_calculated_value\": " CALCULATED_NUMBER_FORMAT ",\n"
+			"\t\t\t\t\t\"memory\": %lu\n"
+			"\t\t\t\t}%s\n"
+			, rd->id
+			, rd->name
+			, rd->entries
+			, (rd->flags & RRDDIM_FLAG_HIDDEN)?1:0
+			, rrddim_algorithm_name(rd->algorithm)
+			, rd->multiplier
+			, rd->divisor
+			, rd->last_collected_time.tv_sec
+			, rd->collected_value
+			, rd->calculated_value
+			, rd->last_collected_value
+			, rd->last_calculated_value
+			, rd->memsize
+			, rd->next?",":""
+			);
+	}
+
+	buffer_sprintf(wb,
+		"\t\t\t],\n"
+		"\t\t\t\"memory\" : %lu\n"
+		"\t\t}"
+		, memory
+		);
+
+	pthread_rwlock_unlock(&st->rwlock);
+	return memory;
+}
+
+#define RRD_GRAPH_JSON_HEADER "{\n\t\"charts\": [\n"
+#define RRD_GRAPH_JSON_FOOTER "\n\t]\n}\n"
+
+void rrd_stats_graph_json(RRDSET *st, char *options, BUFFER *wb)
+{
+	buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
+	rrd_stats_one_json(st, options, wb);
+	buffer_strcat(wb, RRD_GRAPH_JSON_FOOTER);
+}
+
+void rrd_stats_all_json(BUFFER *wb)
+{
+	unsigned long memory = 0;
+	long c;
+	RRDSET *st;
+
+	buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
+
+	pthread_rwlock_rdlock(&rrdset_root_rwlock);
+	for(st = rrdset_root, c = 0; st ; st = st->next) {
+		if(st->enabled) {
+			if(c) buffer_strcat(wb, ",\n");
+			memory += rrd_stats_one_json(st, NULL, wb);
+			c++;
+		}
+	}
+	pthread_rwlock_unlock(&rrdset_root_rwlock);
+
+	buffer_sprintf(wb, "\n\t],\n"
+		"\t\"hostname\": \"%s\",\n"
+		"\t\"update_every\": %d,\n"
+		"\t\"history\": %d,\n"
+		"\t\"memory\": %lu\n"
+		"}\n"
+		, hostname
+		, rrd_update_every
+		, rrd_default_history_entries
+		, memory
+		);
+}
+
+
+
+// ----------------------------------------------------------------------------
+
+// RRDR dimension options
+#define RRDR_EMPTY  	0x01 // the dimension contains / the value is empty (null)
+#define RRDR_RESET  	0x02 // the dimension contains / the value is reset
+#define RRDR_HIDDEN 	0x04 // the dimension contains / the value is hidden
+#define RRDR_NONZERO 	0x08 // the dimension contains / the value is non-zero
+
+// RRDR result options
+#define RRDR_RESULT_OPTION_ABSOLUTE 0x00000001
+#define RRDR_RESULT_OPTION_RELATIVE 0x00000002
+
+typedef struct rrdresult {
+	RRDSET *st;			// the chart this result refers to
+
+	uint32_t result_options;	// RRDR_RESULT_OPTION_*
+
+	int d;					// the number of dimensions
+	long n;					// the number of values in the arrays
+	long rows;			    // the number of rows used
+
+	uint8_t *od;			// the options for the dimensions
+
+	time_t *t;				// array of n timestamps
+	calculated_number *v;	// array n x d values
+	uint8_t *o;				// array n x d options
+
+	long c;					// current line ( -1 ~ n ), ( -1 = none, use rrdr_rows() to get number of rows )
+
+	long group;				// how many collected values were grouped for each row
+	long update_every;		// what is the suggested update frequency in seconds
+
+	calculated_number min;
+	calculated_number max;
+
+	time_t before;
+	time_t after;
+
+	int has_st_lock;		// if st is read locked by us
+} RRDR;
+
+#define rrdr_rows(r) ((r)->rows)
+
+/*
+static void rrdr_dump(RRDR *r)
+{
+	long c, i;
+	RRDDIM *d;
+
+	fprintf(stderr, "\nCHART %s (%s)\n", r->st->id, r->st->name);
+
+	for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) {
+		fprintf(stderr, "DIMENSION %s (%s), %s%s%s%s\n"
+				, d->id
+				, d->name
+				, (r->od[c] & RRDR_EMPTY)?"EMPTY ":""
+				, (r->od[c] & RRDR_RESET)?"RESET ":""
+				, (r->od[c] & RRDR_HIDDEN)?"HIDDEN ":""
+				, (r->od[c] & RRDR_NONZERO)?"NONZERO ":""
+				);
+	}
+
+	if(r->rows <= 0) {
+		fprintf(stderr, "RRDR does not have any values in it.\n");
+		return;
+	}
+
+	fprintf(stderr, "RRDR includes %d values in it:\n", r->rows);
+
+	// for each line in the array
+	for(i = 0; i < r->rows ;i++) {
+		calculated_number *cn = &r->v[ i * r->d ];
+		uint8_t *co = &r->o[ i * r->d ];
+
+		// print the id and the timestamp of the line
+		fprintf(stderr, "%ld %ld ", i + 1, r->t[i]);
+
+		// for each dimension
+		for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) {
+			if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+			if(unlikely(!(r->od[c] & RRDR_NONZERO))) continue;
+
+			if(co[c] & RRDR_EMPTY)
+				fprintf(stderr, "null ");
+			else
+				fprintf(stderr, CALCULATED_NUMBER_FORMAT " %s%s%s%s "
+					, cn[c]
+					, (co[c] & RRDR_EMPTY)?"E":" "
+					, (co[c] & RRDR_RESET)?"R":" "
+					, (co[c] & RRDR_HIDDEN)?"H":" "
+					, (co[c] & RRDR_NONZERO)?"N":" "
+					);
+		}
+
+		fprintf(stderr, "\n");
+	}
+}
+*/
+
+void rrdr_disable_not_selected_dimensions(RRDR *r, const char *dims)
+{
+	char b[strlen(dims) + 1];
+	char *o = b, *tok;
+	strcpy(o, dims);
+
+	long c;
+	RRDDIM *d;
+
+	// disable all of them
+	for(c = 0, d = r->st->dimensions; d ;c++, d = d->next)
+		r->od[c] |= RRDR_HIDDEN;
+
+	while(o && *o && (tok = mystrsep(&o, ", |"))) {
+		if(!*tok) continue;
+
+		// find it and enable it
+		for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) {
+			if(!strcmp(d->name, tok)) {
+				r->od[c] &= ~RRDR_HIDDEN;
+
+				// since the user needs this dimension
+				// make it appear as NONZERO, to return it
+				// even if the dimension has only zeros
+				r->od[c] |= RRDR_NONZERO;
+			}
+		}
+	}
+}
+
+void rrdr_buffer_print_format(BUFFER *wb, uint32_t format)
+{
+	switch(format) {
+	case DATASOURCE_JSON:
+		buffer_strcat(wb, DATASOURCE_FORMAT_JSON);
+		break;
+
+	case DATASOURCE_DATATABLE_JSON:
+		buffer_strcat(wb, DATASOURCE_FORMAT_DATATABLE_JSON);
+		break;
+
+	case DATASOURCE_DATATABLE_JSONP:
+		buffer_strcat(wb, DATASOURCE_FORMAT_DATATABLE_JSONP);
+		break;
+
+	case DATASOURCE_JSONP:
+		buffer_strcat(wb, DATASOURCE_FORMAT_JSONP);
+		break;
+
+	case DATASOURCE_SSV:
+		buffer_strcat(wb, DATASOURCE_FORMAT_SSV);
+		break;
+
+	case DATASOURCE_CSV:
+		buffer_strcat(wb, DATASOURCE_FORMAT_CSV);
+		break;
+
+	case DATASOURCE_TSV:
+		buffer_strcat(wb, DATASOURCE_FORMAT_TSV);
+		break;
+
+	case DATASOURCE_HTML:
+		buffer_strcat(wb, DATASOURCE_FORMAT_HTML);
+		break;
+
+	case DATASOURCE_JS_ARRAY:
+		buffer_strcat(wb, DATASOURCE_FORMAT_JS_ARRAY);
+		break;
+
+	case DATASOURCE_SSV_COMMA:
+		buffer_strcat(wb, DATASOURCE_FORMAT_SSV_COMMA);
+		break;
+
+	default:
+		buffer_strcat(wb, "unknown");
+		break;
+	}
+}
+
+uint32_t rrdr_check_options(RRDR *r, uint32_t options, const char *dims)
+{
+	if(options & RRDR_OPTION_NONZERO) {
+		long i;
+
+		if(dims && *dims) {
+			// the caller wants specific dimensions
+			// disable NONZERO option
+			// to make sure we don't accidentally prevent
+			// the specific dimensions from being returned
+			i = 0;
+		}
+		else {
+			// find how many dimensions are not zero
+			long c;
+			RRDDIM *rd;
+			for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ; c++, rd = rd->next) {
+				if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+				if(unlikely(!(r->od[c] & RRDR_NONZERO))) continue;
+				i++;
+			}
+		}
+
+		// if with nonzero we get i = 0 (no dimensions will be returned)
+		// disable nonzero to show all dimensions
+		if(!i) options &= ~RRDR_OPTION_NONZERO;
+	}
+
+	return options;
+}
+
+void rrdr_json_wrapper_begin(RRDR *r, BUFFER *wb, uint32_t format, uint32_t options, int string_value)
+{
+	long rows = rrdr_rows(r);
+	long c, i;
+	RRDDIM *rd;
+
+	//info("JSONWRAPPER(): %s: BEGIN", r->st->id);
+	char kq[2] = "",					// key quote
+		sq[2] = "";						// string quote
+
+	if( options & RRDR_OPTION_GOOGLE_JSON ) {
+		kq[0] = '\0';
+		sq[0] = '\'';
+	}
+	else {
+		kq[0] = '"';
+		sq[0] = '"';
+	}
+
+	buffer_sprintf(wb, "{\n"
+			"	%sapi%s: 1,\n"
+			"	%sid%s: %s%s%s,\n"
+			"	%sname%s: %s%s%s,\n"
+			"	%sview_update_every%s: %d,\n"
+			"	%supdate_every%s: %d,\n"
+			"	%sfirst_entry%s: %u,\n"
+			"	%slast_entry%s: %u,\n"
+			"	%sbefore%s: %u,\n"
+			"	%safter%s: %u,\n"
+			"	%sdimension_names%s: ["
+			, kq, kq
+			, kq, kq, sq, r->st->id, sq
+			, kq, kq, sq, r->st->name, sq
+			, kq, kq, r->update_every
+			, kq, kq, r->st->update_every
+			, kq, kq, rrdset_first_entry_t(r->st)
+			, kq, kq, rrdset_last_entry_t(r->st)
+			, kq, kq, r->before
+			, kq, kq, r->after
+			, kq, kq);
+
+	for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+		if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+		if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+		if(i) buffer_strcat(wb, ", ");
+		buffer_strcat(wb, sq);
+		buffer_strcat(wb, rd->name);
+		buffer_strcat(wb, sq);
+		i++;
+	}
+	if(!i) {
+#ifdef NETDATA_INTERNAL_CHECKS
+		error("RRDR is empty for %s (RRDR has %d dimensions, options is 0x%08x)", r->st->id, r->d, options);
+#endif
+		rows = 0;
+		buffer_strcat(wb, sq);
+		buffer_strcat(wb, "no data");
+		buffer_strcat(wb, sq);
+	}
+
+	buffer_sprintf(wb, "],\n"
+			"	%sdimension_ids%s: ["
+			, kq, kq);
+
+	for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+		if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+		if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+		if(i) buffer_strcat(wb, ", ");
+		buffer_strcat(wb, sq);
+		buffer_strcat(wb, rd->id);
+		buffer_strcat(wb, sq);
+		i++;
+	}
+	if(!i) {
+		rows = 0;
+		buffer_strcat(wb, sq);
+		buffer_strcat(wb, "no data");
+		buffer_strcat(wb, sq);
+	}
+
+	buffer_sprintf(wb, "],\n"
+			"	%slatest_values%s: ["
+			, kq, kq);
+
+	for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+		if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+		if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+		if(i) buffer_strcat(wb, ", ");
+		i++;
+
+		storage_number n = rd->values[rrdset_last_slot(r->st)];
+
+		if(!does_storage_number_exist(n))
+			buffer_strcat(wb, "null");
+		else
+			buffer_rrd_value(wb, unpack_storage_number(n));
+	}
+	if(!i) {
+		rows = 0;
+		buffer_strcat(wb, "null");
+	}
+
+	buffer_sprintf(wb, "],\n"
+			"	%sview_latest_values%s: ["
+			, kq, kq);
+
+	i = 0;
+	if(rows) {
+		for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+			if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+			if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+			if(i) buffer_strcat(wb, ", ");
+			i++;
+
+			calculated_number *cn = &r->v[ (0) * r->d ];
+			uint8_t *co = &r->o[ (0) * r->d ];
+
+			if(co[c] & RRDR_EMPTY)
+				buffer_strcat(wb, "null");
+			else
+				buffer_rrd_value(wb, cn[c]);
+		}
+	}
+	if(!i) {
+		rows = 0;
+		buffer_strcat(wb, "null");
+	}
+
+	buffer_sprintf(wb, "],\n"
+			"	%sdimensions%s: %d,\n"
+			"	%spoints%s: %d,\n"
+			"	%sformat%s: %s"
+			, kq, kq, i
+			, kq, kq, rows
+			, kq, kq, sq
+			);
+
+	rrdr_buffer_print_format(wb, format);
+
+	buffer_sprintf(wb, "%s,\n"
+			"	%sresult%s: "
+			, sq
+			, kq, kq
+			);
+
+	if(string_value) buffer_strcat(wb, sq);
+	//info("JSONWRAPPER(): %s: END", r->st->id);
+}
+
+void rrdr_json_wrapper_end(RRDR *r, BUFFER *wb, uint32_t format, uint32_t options, int string_value)
+{
+	if(r) {;}
+	if(format) {;}
+
+	char kq[2] = "",					// key quote
+		sq[2] = "";						// string quote
+
+	if( options & RRDR_OPTION_GOOGLE_JSON ) {
+		kq[0] = '\0';
+		sq[0] = '\'';
+	}
+	else {
+		kq[0] = '"';
+		sq[0] = '"';
+	}
+
+	if(string_value) buffer_strcat(wb, sq);
+
+	buffer_sprintf(wb, ",\n	%smin%s: ", kq, kq);
+	buffer_rrd_value(wb, r->min);
+	buffer_sprintf(wb, ",\n	%smax%s: ", kq, kq);
+	buffer_rrd_value(wb, r->max);
+	buffer_strcat(wb, "\n}\n");
+}
+
+#define JSON_DATES_JS 1
+#define JSON_DATES_TIMESTAMP 2
+
+static void rrdr2json(RRDR *r, BUFFER *wb, uint32_t options, int datatable)
+{
+	//info("RRD2JSON(): %s: BEGIN", r->st->id);
+	int row_annotations = 0, dates, dates_with_new = 0;
+	char kq[2] = "",					// key quote
+		sq[2] = "",						// string quote
+		pre_label[101] = "",			// before each label
+		post_label[101] = "",			// after each label
+		pre_date[101] = "",				// the beginning of line, to the date
+		post_date[101] = "",			// closing the date
+		pre_value[101] = "",			// before each value
+		post_value[101] = "",			// after each value
+		post_line[101] = "",			// at the end of each row
+		normal_annotation[201] = "",	// default row annotation
+		overflow_annotation[201] = "",	// overflow row annotation
+		data_begin[101] = "",			// between labels and values
+		finish[101] = "";				// at the end of everything
+
+	if(datatable) {
+		dates = JSON_DATES_JS;
+		if( options & RRDR_OPTION_GOOGLE_JSON ) {
+			kq[0] = '\0';
+			sq[0] = '\'';
+		}
+		else {
+			kq[0] = '"';
+			sq[0] = '"';
+		}
+		row_annotations = 1;
+		snprintf(pre_date,   100, "		{%sc%s:[{%sv%s:%s", kq, kq, kq, kq, sq);
+		snprintf(post_date,  100, "%s}", sq);
+		snprintf(pre_label,  100, ",\n		{%sid%s:%s%s,%slabel%s:%s", kq, kq, sq, sq, kq, kq, sq);
+		snprintf(post_label, 100, "%s,%spattern%s:%s%s,%stype%s:%snumber%s}", sq, kq, kq, sq, sq, kq, kq, sq, sq);
+		snprintf(pre_value,  100, ",{%sv%s:", kq, kq);
+		snprintf(post_value, 100, "}");
+		snprintf(post_line,  100, "]}");
+		snprintf(data_begin, 100, "\n	],\n	%srows%s:\n	[\n", kq, kq);
+		snprintf(finish,     100, "\n	]\n}");
+
+		snprintf(overflow_annotation, 200, ",{%sv%s:%sRESET OR OVERFLOW%s},{%sv%s:%sThe counters have been wrapped.%s}", kq, kq, sq, sq, kq, kq, sq, sq);
+		snprintf(normal_annotation,   200, ",{%sv%s:null},{%sv%s:null}", kq, kq, kq, kq);
+
+		buffer_sprintf(wb, "{\n	%scols%s:\n	[\n", kq, kq, kq, kq);
+		buffer_sprintf(wb, "		{%sid%s:%s%s,%slabel%s:%stime%s,%spattern%s:%s%s,%stype%s:%sdatetime%s},\n", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq);
+		buffer_sprintf(wb, "		{%sid%s:%s%s,%slabel%s:%s%s,%spattern%s:%s%s,%stype%s:%sstring%s,%sp%s:{%srole%s:%sannotation%s}},\n", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, kq, kq, sq, sq);
+		buffer_sprintf(wb, "		{%sid%s:%s%s,%slabel%s:%s%s,%spattern%s:%s%s,%stype%s:%sstring%s,%sp%s:{%srole%s:%sannotationText%s}}", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, kq, kq, sq, sq);
+
+		// remove the valueobjects flag
+		// google wants its own keys
+		if(options & RRDR_OPTION_OBJECTSROWS)
+			options &= ~RRDR_OPTION_OBJECTSROWS;
+	}
+	else {
+		kq[0] = '"';
+		sq[0] = '"';
+		if((options & RRDR_OPTION_SECONDS) || (options & RRDR_OPTION_MILLISECONDS)) {
+			dates = JSON_DATES_TIMESTAMP;
+			dates_with_new = 0;
+		}
+		else {
+			dates = JSON_DATES_JS;
+			dates_with_new = 1;
+		}
+		if( options & RRDR_OPTION_OBJECTSROWS )
+			snprintf(pre_date,   100, "		{ ");
+		else
+			snprintf(pre_date,   100, "		[ ");
+		snprintf(pre_label,  100, ", \"");
+		snprintf(post_label, 100, "\"");
+		snprintf(pre_value,  100, ", ");
+		if( options & RRDR_OPTION_OBJECTSROWS )
+			snprintf(post_line,  100, "}");
+		else
+			snprintf(post_line,  100, "]");
+		snprintf(data_begin, 100, "],\n	%sdata%s:\n	[\n", kq, kq);
+		snprintf(finish,     100, "\n	]\n}");
+
+		buffer_sprintf(wb, "{\n	%slabels%s: [", kq, kq);
+		buffer_sprintf(wb, "%stime%s", sq, sq);
+	}
+
+	// -------------------------------------------------------------------------
+	// print the JSON header
+
+	long c, i;
+	RRDDIM *rd;
+
+	// print the header lines
+	for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+		if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+		if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+		buffer_strcat(wb, pre_label);
+		buffer_strcat(wb, rd->name);
+		buffer_strcat(wb, post_label);
+		i++;
+	}
+	if(!i) {
+		buffer_strcat(wb, pre_label);
+		buffer_strcat(wb, "no data");
+		buffer_strcat(wb, post_label);
+	}
+
+	// print the begin of row data
+	buffer_strcat(wb, data_begin);
+
+	// if all dimensions are hidden, print a null
+	if(!i) {
+		buffer_strcat(wb, finish);
+		return;
+	}
+
+	long start = 0, end = rrdr_rows(r), step = 1;
+	if((options & RRDR_OPTION_REVERSED)) {
+		start = rrdr_rows(r) - 1;
+		end = -1;
+		step = -1;
+	}
+
+	// for each line in the array
+	calculated_number total = 1;
+	for(i = start; i != end ;i += step) {
+		calculated_number *cn = &r->v[ i * r->d ];
+		uint8_t *co = &r->o[ i * r->d ];
+
+		time_t now = r->t[i];
+
+		if(dates == JSON_DATES_JS) {
+			// generate the local date time
+			struct tm tmbuf, *tm = localtime_r(&now, &tmbuf);
+			if(!tm) { error("localtime_r() failed."); continue; }
+
+			if(likely(i != start)) buffer_strcat(wb, ",\n");
+			buffer_strcat(wb, pre_date);
+
+			if( options & RRDR_OPTION_OBJECTSROWS )
+				buffer_sprintf(wb, "%stime%s: ", kq, kq);
+
+			if(dates_with_new)
+				buffer_strcat(wb, "new ");
+
+			buffer_jsdate(wb, tm->tm_year + 1900, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+			buffer_strcat(wb, post_date);
+
+			if(row_annotations) {
+				// google supports one annotation per row
+				int annotation_found = 0;
+				for(c = 0, rd = r->st->dimensions; rd ;c++, rd = rd->next) {
+					if(co[c] & RRDR_RESET) {
+						buffer_strcat(wb, overflow_annotation);
+						annotation_found = 1;
+						break;
+					}
+				}
+				if(!annotation_found)
+					buffer_strcat(wb, normal_annotation);
+			}
+		}
+		else {
+			// print the timestamp of the line
+			if(likely(i != start)) buffer_strcat(wb, ",\n");
+			buffer_strcat(wb, pre_date);
+
+			if( options & RRDR_OPTION_OBJECTSROWS )
+				buffer_sprintf(wb, "%stime%s: ", kq, kq);
+
+			buffer_rrd_value(wb, (calculated_number)r->t[i]);
+			// in ms
+			if(options & RRDR_OPTION_MILLISECONDS) buffer_strcat(wb, "000");
+
+			buffer_strcat(wb, post_date);
+		}
+
+		if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
+			total = 0;
+			for(c = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+				calculated_number n = cn[c];
+
+				if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
+					n = -n;
+
+				total += n;
+			}
+			// prevent a division by zero
+			if(total == 0) total = 1;
+		}
+
+		// for each dimension
+		for(c = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+			if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+			if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+			calculated_number n = cn[c];
+
+			buffer_strcat(wb, pre_value);
+
+			if( options & RRDR_OPTION_OBJECTSROWS )
+				buffer_sprintf(wb, "%s%s%s: ", kq, rd->name, kq);
+
+			if(co[c] & RRDR_EMPTY) {
+				if(options & RRDR_OPTION_NULL2ZERO)
+					buffer_strcat(wb, "0");
+				else
+					buffer_strcat(wb, "null");
+			}
+			else {
+				if(unlikely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
+					n = -n;
+
+				if(unlikely(options & RRDR_OPTION_PERCENTAGE))
+					n = n * 100 / total;
+
+				buffer_rrd_value(wb, n);
+			}
+
+			buffer_strcat(wb, post_value);
+		}
+
+		buffer_strcat(wb, post_line);
+	}
+
+	buffer_strcat(wb, finish);
+	//info("RRD2JSON(): %s: END", r->st->id);
+}
+
+static void rrdr2csv(RRDR *r, BUFFER *wb, uint32_t options, const char *startline, const char *separator, const char *endline, const char *betweenlines)
+{
+	//info("RRD2CSV(): %s: BEGIN", r->st->id);
+	long c, i;
+	RRDDIM *d;
+
+	// print the csv header
+	for(c = 0, i = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
+		if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+		if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+		if(!i) {
+			buffer_strcat(wb, startline);
+			if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\"");
+			buffer_strcat(wb, "time");
+			if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\"");
+		}
+		buffer_strcat(wb, separator);
+		if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\"");
+		buffer_strcat(wb, d->name);
+		if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\"");
+		i++;
+	}
+	buffer_strcat(wb, endline);
+
+	if(!i) {
+		// no dimensions present
+		return;
+	}
+
+	long start = 0, end = rrdr_rows(r), step = 1;
+	if((options & RRDR_OPTION_REVERSED)) {
+		start = rrdr_rows(r) - 1;
+		end = -1;
+		step = -1;
+	}
+
+	// for each line in the array
+	calculated_number total = 1;
+	for(i = start; i != end ;i += step) {
+		calculated_number *cn = &r->v[ i * r->d ];
+		uint8_t *co = &r->o[ i * r->d ];
+
+		buffer_strcat(wb, betweenlines);
+		buffer_strcat(wb, startline);
+
+		time_t now = r->t[i];
+
+		if((options & RRDR_OPTION_SECONDS) || (options & RRDR_OPTION_MILLISECONDS)) {
+			// print the timestamp of the line
+			buffer_rrd_value(wb, (calculated_number)now);
+			// in ms
+			if(options & RRDR_OPTION_MILLISECONDS) buffer_strcat(wb, "000");
+		}
+		else {
+			// generate the local date time
+			struct tm tmbuf, *tm = localtime_r(&now, &tmbuf);
+			if(!tm) { error("localtime() failed."); continue; }
+			buffer_date(wb, tm->tm_year + 1900, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+		}
+
+		if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
+			total = 0;
+			for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
+				calculated_number n = cn[c];
+
+				if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
+					n = -n;
+
+				total += n;
+			}
+			// prevent a division by zero
+			if(total == 0) total = 1;
+		}
+
+		// for each dimension
+		for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
+			if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+			if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+			buffer_strcat(wb, separator);
+
+			calculated_number n = cn[c];
+
+			if(co[c] & RRDR_EMPTY) {
+				if(options & RRDR_OPTION_NULL2ZERO)
+					buffer_strcat(wb, "0");
+				else
+					buffer_strcat(wb, "null");
+			}
+			else {
+				if(unlikely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
+					n = -n;
+
+				if(unlikely(options & RRDR_OPTION_PERCENTAGE))
+					n = n * 100 / total;
+
+				buffer_rrd_value(wb, n);
+			}
+		}
+
+		buffer_strcat(wb, endline);
+	}
+	//info("RRD2CSV(): %s: END", r->st->id);
+}
+
+static void rrdr2ssv(RRDR *r, BUFFER *wb, uint32_t options, const char *prefix, const char *separator, const char *suffix)
+{
+	//info("RRD2SSV(): %s: BEGIN", r->st->id);
+	long c, i;
+	RRDDIM *d;
+
+	buffer_strcat(wb, prefix);
+	long start = 0, end = rrdr_rows(r), step = 1;
+	if((options & RRDR_OPTION_REVERSED)) {
+		start = rrdr_rows(r) - 1;
+		end = -1;
+		step = -1;
+	}
+
+	// for each line in the array
+	calculated_number total = 1;
+	for(i = start; i != end ;i += step) {
+
+		calculated_number *cn = &r->v[ i * r->d ];
+		uint8_t *co = &r->o[ i * r->d ];
+
+		calculated_number sum = 0, min = 0, max = 0, v;
+		int all_null = 1, init = 1;
+
+		if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
+			total = 0;
+			for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
+				calculated_number n = cn[c];
+
+				if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
+					n = -n;
+
+				total += n;
+			}
+			// prevent a division by zero
+			if(total == 0) total = 1;
+		}
+
+		// for each dimension
+		for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
+			if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+			if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+			calculated_number n = cn[c];
+
+			if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
+				n = -n;
+
+			if(unlikely(options & RRDR_OPTION_PERCENTAGE))
+				n = n * 100 / total;
+
+			if(unlikely(init)) {
+				if(n > 0) {
+					min = 0;
+					max = n;
+				}
+				else {
+					min = n;
+					max = 0;
+				}
+				init = 0;
+			}
+
+			if(likely(!(co[c] & RRDR_EMPTY))) {
+				all_null = 0;
+				sum += n;
+			}
+
+			if(n < min) min = n;
+			if(n > max) max = n;
+		}
+
+		if(likely(i != start))
+			buffer_strcat(wb, separator);
+
+		if(all_null) {
+			if(options & RRDR_OPTION_NULL2ZERO)
+				buffer_strcat(wb, "0");
+			else
+				buffer_strcat(wb, "null");
+		}
+		else {
+			if(options & RRDR_OPTION_MIN2MAX)
+				v = max - min;
+			else
+				v = sum;
+
+			if(likely(i != start)) {
+				if(r->min > v) r->min = v;
+				if(r->max < v) r->max = v;
+			}
+			else {
+				r->min = v;
+				r->max = v;
+			}
+
+			buffer_rrd_value(wb, v);
+		}
+	}
+	buffer_strcat(wb, suffix);
+	//info("RRD2SSV(): %s: END", r->st->id);
+}
+
+inline static calculated_number *rrdr_line_values(RRDR *r)
+{
+	return &r->v[ r->c * r->d ];
+}
+
+inline static uint8_t *rrdr_line_options(RRDR *r)
+{
+	return &r->o[ r->c * r->d ];
+}
+
+inline static int rrdr_line_init(RRDR *r, time_t t)
+{
+	r->c++;
+
+	if(unlikely(r->c >= r->n)) {
+		error("requested to step above RRDR size for chart %s", r->st->name);
+		r->c = r->n - 1;
+	}
+
+	// save the time
+	r->t[r->c] = t;
+
+	return 1;
+}
+
+inline static void rrdr_lock_rrdset(RRDR *r) {
+	if(unlikely(!r)) {
+		error("NULL value given!");
+		return;
+	}
+
+	pthread_rwlock_rdlock(&r->st->rwlock);
+	r->has_st_lock = 1;
+}
+
+inline static void rrdr_unlock_rrdset(RRDR *r) {
+	if(unlikely(!r)) {
+		error("NULL value given!");
+		return;
+	}
+
+	if(likely(r->has_st_lock)) {
+		pthread_rwlock_unlock(&r->st->rwlock);
+		r->has_st_lock = 0;
+	}
+}
+
+inline static void rrdr_free(RRDR *r)
+{
+	if(unlikely(!r)) {
+		error("NULL value given!");
+		return;
+	}
+
+	rrdr_unlock_rrdset(r);
+	if(likely(r->t)) free(r->t);
+	if(likely(r->v)) free(r->v);
+	if(likely(r->o)) free(r->o);
+	if(likely(r->od)) free(r->od);
+	free(r);
+}
+
+inline void rrdr_done(RRDR *r)
+{
+	r->rows = r->c + 1;
+	r->c = 0;
+}
+
+static RRDR *rrdr_create(RRDSET *st, long n)
+{
+	if(unlikely(!st)) {
+		error("NULL value given!");
+		return NULL;
+	}
+
+	RRDR *r = calloc(1, sizeof(RRDR));
+	if(unlikely(!r)) goto cleanup;
+
+	r->st = st;
+
+	rrdr_lock_rrdset(r);
+
+	RRDDIM *rd;
+	for(rd = st->dimensions ; rd ; rd = rd->next) r->d++;
+
+	r->n = n;
+
+	r->t = malloc(n * sizeof(time_t));
+	if(unlikely(!r->t)) goto cleanup;
+
+	r->v = malloc(n * r->d * sizeof(calculated_number));
+	if(unlikely(!r->v)) goto cleanup;
+
+	r->o = malloc(n * r->d * sizeof(uint8_t));
+	if(unlikely(!r->o)) goto cleanup;
+
+	r->od = malloc(r->d * sizeof(uint8_t));
+	if(unlikely(!r->od)) goto cleanup;
+
+	// set the hidden flag on hidden dimensions
+	int c;
+	for(c = 0, rd = st->dimensions ; rd ; c++, rd = rd->next) {
+		if(unlikely(rd->flags & RRDDIM_FLAG_HIDDEN)) r->od[c] = RRDR_HIDDEN;
+		else r->od[c] = 0;
+	}
+
+	r->c = -1;
+
+	r->group = 1;
+	r->update_every = 1;
+
+	return r;
+
+cleanup:
+	error("Cannot allocate RRDR memory for %d entries", n);
+	if(likely(r)) rrdr_free(r);
+	return NULL;
+}
+
+RRDR *rrd2rrdr(RRDSET *st, long points, long long after, long long before, int group_method)
+{
+	int debug = st->debug;
+	int absolute_period_requested = -1;
+
+	time_t first_entry_t = rrdset_first_entry_t(st);
+	time_t last_entry_t = rrdset_last_entry_t(st);
+
+	if(before == 0 && after == 0) {
+		before = last_entry_t;
+		after = first_entry_t;
+		absolute_period_requested = 0;
+	}
+
+	// allow relative for before and after
+	if(before <= st->update_every * st->entries) {
+		before = last_entry_t + before;
+		absolute_period_requested = 0;
+	}
+
+	if(after <= st->update_every * st->entries) {
+		after = last_entry_t + after;
+		absolute_period_requested = 0;
+	}
+
+	if(absolute_period_requested == -1)
+		absolute_period_requested = 1;
+
+	// make sure they are within our timeframe
+	if(before > last_entry_t) before = last_entry_t;
+	if(before < first_entry_t) before = first_entry_t;
+
+	if(after > last_entry_t) after = last_entry_t;
+	if(after < first_entry_t) after = first_entry_t;
+
+	// check if they are upside down
+	if(after > before) {
+		time_t tmp = before;
+		before = after;
+		after = tmp;
+	}
+
+	// the duration of the chart
+	time_t duration = before - after;
+	long available_points = duration / st->update_every;
+
+	if(duration <= 0 || available_points <= 0)
+		return rrdr_create(st, 1);
+
+	// check the wanted points
+	if(points < 0) points = -points;
+	if(points > available_points) points = available_points;
+	if(points == 0) points = available_points;
+
+	// calculate proper grouping of source data
+	long group = available_points / points;
+	if(group <= 0) group = 1;
+
+	// round group to the closest integer
+	if(available_points % points > points / 2) group++;
+
+	time_t after_new = after - (after % (group * st->update_every));
+	time_t before_new = before - (before % (group * st->update_every));
+	long points_new = (before_new - after_new) / st->update_every / group;
+
+	// find the starting and ending slots in our round robin db
+	long    start_at_slot = rrdset_time2slot(st, before_new),
+			stop_at_slot = rrdset_time2slot(st, after_new);
+
+#ifdef NETDATA_INTERNAL_CHECKS
+	if(after_new < first_entry_t) {
+		error("after_new %u is too small, minimum %u", after_new, first_entry_t);
+	}
+	if(after_new > last_entry_t) {
+		error("after_new %u is too big, maximum %u", after_new, last_entry_t);
+	}
+	if(before_new < first_entry_t) {
+		error("before_new %u is too small, minimum %u", before_new, first_entry_t);
+	}
+	if(before_new > last_entry_t) {
+		error("before_new %u is too big, maximum %u", before_new, last_entry_t);
+	}
+	if(start_at_slot < 0 || start_at_slot >= st->entries) {
+		error("start_at_slot is invalid %ld, expected %ld to %ld", start_at_slot, 0, st->entries - 1);
+	}
+	if(stop_at_slot < 0 || stop_at_slot >= st->entries) {
+		error("stop_at_slot is invalid %ld, expected %ld to %ld", stop_at_slot, 0, st->entries - 1);
+	}
+	if(points_new > (before_new - after_new) / group / st->update_every + 1) {
+		error("points_new %ld is more than points %ld", points_new, (before_new - after_new) / group / st->update_every + 1);
+	}
+#endif
+
+	//info("RRD2RRDR(): %s: wanted %ld points, got %ld - group=%ld, wanted duration=%u, got %u - wanted %ld - %ld, got %ld - %ld", st->id, points, points_new, group, before - after, before_new - after_new, after, before, after_new, before_new);
+
+	after = after_new;
+	before = before_new;
+	duration = before - after;
+	points = points_new;
+
+	// Now we have:
+	// before = the end time of the calculation
+	// after = the start time of the calculation
+	// duration = the duration of the calculation
+	// group = the number of source points to aggregate / group together
+	// method = the method of grouping source points
+	// points = the number of points to generate
+
+
+	// -------------------------------------------------------------------------
+	// initialize our result set
+
+	RRDR *r = rrdr_create(st, points);
+	if(!r) {
+#ifdef NETDATA_INTERNAL_CHECKS
+		error("Cannot create RRDR for %s, after=%u, before=%u, duration=%u, points=%d", st->id, after, before, duration, points);
+#endif
+		return NULL;
+	}
+	if(!r->d) {
+#ifdef NETDATA_INTERNAL_CHECKS
+		error("Returning empty RRDR (no dimensions in RRDSET) for %s, after=%u, before=%u, duration=%u, points=%d", st->id, after, before, duration, points);
+#endif
+		return r;
+	}
+
+	if(absolute_period_requested == 1)
+		r->result_options |= RRDR_RESULT_OPTION_ABSOLUTE;
+	else
+		r->result_options |= RRDR_RESULT_OPTION_RELATIVE;
+
+	// find how many dimensions we have
+	long dimensions = r->d;
+
+
+	// -------------------------------------------------------------------------
+	// checks for debugging
+
+	if(debug) debug(D_RRD_STATS, "INFO %s first_t: %lu, last_t: %lu, all_duration: %lu, after: %lu, before: %lu, duration: %lu, points: %ld, group: %ld"
+			, st->id
+			, first_entry_t
+			, last_entry_t
+			, last_entry_t - first_entry_t
+			, after
+			, before
+			, duration
+			, points
+			, group
+			);
+
+
+	// -------------------------------------------------------------------------
+	// temp arrays for keeping values per dimension
+
+	calculated_number 	group_values[dimensions]; // keep sums when grouping
+	long 				group_counts[dimensions]; // keep the number of values added to group_values
+	uint8_t 			group_options[dimensions];
+	uint8_t				found_non_zero[dimensions];
+
+
+	// initialize them
+	RRDDIM *rd;
+	long c;
+	for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+		group_values[c] = 0;
+		group_counts[c] = 0;
+		group_options[c] = 0;
+		found_non_zero[c] = 0;
+	}
+
+
+	// -------------------------------------------------------------------------
+	// the main loop
+
+	time_t 	now = rrdset_slot2time(st, start_at_slot),
+			dt = st->update_every,
+			group_start_t = 0;
+
+	if(unlikely(debug)) debug(D_RRD_STATS, "BEGIN %s after_t: %lu (stop_at_t: %ld), before_t: %lu (start_at_t: %ld), start_t(now): %lu, current_entry: %ld, entries: %ld"
+			, st->id
+			, after
+			, stop_at_slot
+			, before
+			, start_at_slot
+			, now
+			, st->current_entry
+			, st->entries
+			);
+
+	r->group = group;
+	r->update_every = group * st->update_every;
+	r->before = now;
+	r->after = now;
+
+	//info("RRD2RRDR(): %s: STARTING", st->id);
+
+	long slot = start_at_slot, counter = 0, stop_now = 0, added = 0, group_count = 0, add_this = 0;
+	for(; !stop_now ; now -= dt, slot--, counter++) {
+		if(unlikely(slot < 0)) slot = st->entries - 1;
+		if(unlikely(slot == stop_at_slot)) stop_now = counter;
+
+		if(unlikely(debug)) debug(D_RRD_STATS, "ROW %s slot: %ld, entries_counter: %ld, group_count: %ld, added: %ld, now: %lu, %s %s"
+				, st->id
+				, slot
+				, counter
+				, group_count + 1
+				, added
+				, now
+				, (group_count + 1 == group)?"PRINT":"  -  "
+				, (now >= after && now <= before)?"RANGE":"  -  "
+				);
+
+		// make sure we return data in the proper time range
+		if(unlikely(now > before)) continue;
+		if(unlikely(now < after)) break;
+
+		if(unlikely(group_count == 0)) {
+			group_start_t = now;
+		}
+		group_count++;
+
+		if(unlikely(group_count == group)) {
+			if(unlikely(added >= points)) break;
+			add_this = 1;
+		}
+
+		// do the calculations
+		for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+			storage_number n = rd->values[slot];
+			if(unlikely(!does_storage_number_exist(n))) continue;
+
+			group_counts[c]++;
+
+			calculated_number value = unpack_storage_number(n);
+			if(likely(value != 0.0)) {
+				group_options[c] |= RRDR_NONZERO;
+				found_non_zero[c] = 1;
+			}
+
+			if(unlikely(did_storage_number_reset(n)))
+				group_options[c] |= RRDR_RESET;
+
+			switch(group_method) {
+				case GROUP_MAX:
+					if(unlikely(abs(value) > abs(group_values[c])))
+						group_values[c] = value;
+					break;
+
+				default:
+				case GROUP_SUM:
+				case GROUP_AVERAGE:
+					group_values[c] += value;
+					break;
+			}
+		}
+
+		// added it
+		if(unlikely(add_this)) {
+			if(unlikely(!rrdr_line_init(r, group_start_t))) break;
+
+			r->after = now;
+
+			calculated_number *cn = rrdr_line_values(r);
+			uint8_t *co = rrdr_line_options(r);
+
+			for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+
+				// update the dimension options
+				if(likely(found_non_zero[c])) r->od[c] |= RRDR_NONZERO;
+
+				// store the specific point options
+				co[c] = group_options[c];
+
+				// store the value
+				if(unlikely(group_counts[c] == 0)) {
+					cn[c] = 0.0;
+					co[c] |= RRDR_EMPTY;
+				}
+				else if(unlikely(group_method == GROUP_AVERAGE)) {
+					cn[c] = group_values[c] / group_counts[c];
+				}
+				else {
+					cn[c] = group_values[c];
+				}
+
+				if(cn[c] < r->min) r->min = cn[c];
+				if(cn[c] > r->max) r->max = cn[c];
+
+				// reset them for the next loop
+				group_values[c] = 0;
+				group_counts[c] = 0;
+				group_options[c] = 0;
+			}
+
+			added++;
+			group_count = 0;
+			add_this = 0;
+		}
+	}
+
+	rrdr_done(r);
+	//info("RRD2RRDR(): %s: END %ld loops made, %ld points generated", st->id, counter, rrdr_rows(r));
+	//error("SHIFT: %s: wanted %ld points, got %ld", st->id, points, rrdr_rows(r));
+	return r;
+}
+
+int rrd2format(RRDSET *st, BUFFER *wb, BUFFER *dimensions, uint32_t format, long points, long long after, long long before, int group_method, uint32_t options, time_t *latest_timestamp)
+{
+	RRDR *r = rrd2rrdr(st, points, after, before, group_method);
+	if(!r) {
+		buffer_strcat(wb, "Cannot generate output with these parameters on this chart.");
+		return 500;
+	}
+
+	if(r->result_options & RRDR_RESULT_OPTION_RELATIVE)
+		wb->options |= WB_CONTENT_NO_CACHEABLE;
+	else if(r->result_options & RRDR_RESULT_OPTION_ABSOLUTE)
+		wb->options |= WB_CONTENT_CACHEABLE;
+
+	options = rrdr_check_options(r, options, (dimensions)?buffer_tostring(dimensions):NULL);
+
+	if(dimensions)
+		rrdr_disable_not_selected_dimensions(r, buffer_tostring(dimensions));
+
+	if(latest_timestamp && rrdr_rows(r) > 0)
+		*latest_timestamp = r->before;
+
+	switch(format) {
+	case DATASOURCE_SSV:
+		if(options & RRDR_OPTION_JSON_WRAP) {
+			wb->contenttype = CT_APPLICATION_JSON;
+			rrdr_json_wrapper_begin(r, wb, format, options, 1);
+			rrdr2ssv(r, wb, options, "", " ", "");
+			rrdr_json_wrapper_end(r, wb, format, options, 1);
+		}
+		else {
+			wb->contenttype = CT_TEXT_PLAIN;
+			rrdr2ssv(r, wb, options, "", " ", "");
+		}
+		break;
+
+	case DATASOURCE_SSV_COMMA:
+		if(options & RRDR_OPTION_JSON_WRAP) {
+			wb->contenttype = CT_APPLICATION_JSON;
+			rrdr_json_wrapper_begin(r, wb, format, options, 1);
+			rrdr2ssv(r, wb, options, "", ",", "");
+			rrdr_json_wrapper_end(r, wb, format, options, 1);
+		}
+		else {
+			wb->contenttype = CT_TEXT_PLAIN;
+			rrdr2ssv(r, wb, options, "", ",", "");
+		}
+		break;
+
+	case DATASOURCE_JS_ARRAY:
+		if(options & RRDR_OPTION_JSON_WRAP) {
+			wb->contenttype = CT_APPLICATION_JSON;
+			rrdr_json_wrapper_begin(r, wb, format, options, 0);
+			rrdr2ssv(r, wb, options, "[", ",", "]");
+			rrdr_json_wrapper_end(r, wb, format, options, 0);
+		}
+		else {
+			wb->contenttype = CT_APPLICATION_JSON;
+			rrdr2ssv(r, wb, options, "[", ",", "]");
+		}
+		break;
+
+	case DATASOURCE_CSV:
+		if(options & RRDR_OPTION_JSON_WRAP) {
+			wb->contenttype = CT_APPLICATION_JSON;
+			rrdr_json_wrapper_begin(r, wb, format, options, 1);
+			rrdr2csv(r, wb, options, "", ",", "\\n", "");
+			rrdr_json_wrapper_end(r, wb, format, options, 1);
+		}
+		else {
+			wb->contenttype = CT_TEXT_PLAIN;
+			rrdr2csv(r, wb, options, "", ",", "\r\n", "");
+		}
+		break;
+
+	case DATASOURCE_CSV_JSON_ARRAY:
+		wb->contenttype = CT_APPLICATION_JSON;
+		if(options & RRDR_OPTION_JSON_WRAP) {
+			rrdr_json_wrapper_begin(r, wb, format, options, 0);
+			buffer_strcat(wb, "[\n");
+			rrdr2csv(r, wb, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n");
+			buffer_strcat(wb, "\n]");
+			rrdr_json_wrapper_end(r, wb, format, options, 0);
+		}
+		else {
+			wb->contenttype = CT_TEXT_PLAIN;
+			buffer_strcat(wb, "[\n");
+			rrdr2csv(r, wb, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n");
+			buffer_strcat(wb, "\n]");
+		}
+		break;
+
+	case DATASOURCE_TSV:
+		if(options & RRDR_OPTION_JSON_WRAP) {
+			wb->contenttype = CT_APPLICATION_JSON;
+			rrdr_json_wrapper_begin(r, wb, format, options, 1);
+			rrdr2csv(r, wb, options, "", "\t", "\\n", "");
+			rrdr_json_wrapper_end(r, wb, format, options, 1);
+		}
+		else {
+			wb->contenttype = CT_TEXT_PLAIN;
+			rrdr2csv(r, wb, options, "", "\t", "\r\n", "");
+		}
+		break;
+
+	case DATASOURCE_HTML:
+		if(options & RRDR_OPTION_JSON_WRAP) {
+			wb->contenttype = CT_APPLICATION_JSON;
+			rrdr_json_wrapper_begin(r, wb, format, options, 1);
+			buffer_strcat(wb, "<html>\\n<center>\\n<table border=\\\"0\\\" cellpadding=\\\"5\\\" cellspacing=\\\"5\\\">\\n");
+			rrdr2csv(r, wb, options, "<tr><td>", "</td><td>", "</td></tr>\\n", "");
+			buffer_strcat(wb, "</table>\\n</center>\\n</html>\\n");
+			rrdr_json_wrapper_end(r, wb, format, options, 1);
+		}
+		else {
+			wb->contenttype = CT_TEXT_HTML;
+			buffer_strcat(wb, "<html>\n<center>\n<table border=\"0\" cellpadding=\"5\" cellspacing=\"5\">\n");
+			rrdr2csv(r, wb, options, "<tr><td>", "</td><td>", "</td></tr>\n", "");
+			buffer_strcat(wb, "</table>\n</center>\n</html>\n");
+		}
+		break;
+
+	case DATASOURCE_DATATABLE_JSONP:
+		wb->contenttype = CT_APPLICATION_X_JAVASCRIPT;
+
+		if(options & RRDR_OPTION_JSON_WRAP)
+			rrdr_json_wrapper_begin(r, wb, format, options, 0);
+
+		rrdr2json(r, wb, options, 1);
+
+		if(options & RRDR_OPTION_JSON_WRAP)
+			rrdr_json_wrapper_end(r, wb, format, options, 0);
+		break;
+
+	case DATASOURCE_DATATABLE_JSON:
+		wb->contenttype = CT_APPLICATION_JSON;
+
+		if(options & RRDR_OPTION_JSON_WRAP)
+			rrdr_json_wrapper_begin(r, wb, format, options, 0);
+
+		rrdr2json(r, wb, options, 1);
+
+		if(options & RRDR_OPTION_JSON_WRAP)
+			rrdr_json_wrapper_end(r, wb, format, options, 0);
+		break;
+
+	case DATASOURCE_JSONP:
+		wb->contenttype = CT_APPLICATION_X_JAVASCRIPT;
+		if(options & RRDR_OPTION_JSON_WRAP)
+			rrdr_json_wrapper_begin(r, wb, format, options, 0);
+
+		rrdr2json(r, wb, options, 0);
+
+		if(options & RRDR_OPTION_JSON_WRAP)
+			rrdr_json_wrapper_end(r, wb, format, options, 0);
+		break;
+
+	case DATASOURCE_JSON:
+	default:
+		wb->contenttype = CT_APPLICATION_JSON;
+
+		if(options & RRDR_OPTION_JSON_WRAP)
+			rrdr_json_wrapper_begin(r, wb, format, options, 0);
+
+		rrdr2json(r, wb, options, 0);
+
+		if(options & RRDR_OPTION_JSON_WRAP)
+			rrdr_json_wrapper_end(r, wb, format, options, 0);
+		break;
+	}
+
+	rrdr_free(r);
+	return 200;
+}
+
+time_t rrd_stats_json(int type, RRDSET *st, BUFFER *wb, long points, long group, int group_method, time_t after, time_t before, int only_non_zero)
+{
+	int c;
+	pthread_rwlock_rdlock(&st->rwlock);
+
+
+	// -------------------------------------------------------------------------
+	// switch from JSON to google JSON
+
+	char kq[2] = "\"";
+	char sq[2] = "\"";
+	switch(type) {
+		case DATASOURCE_DATATABLE_JSON:
+		case DATASOURCE_DATATABLE_JSONP:
+			kq[0] = '\0';
+			sq[0] = '\'';
+			break;
+
+		case DATASOURCE_JSON:
+		default:
+			break;
+	}
+
+
+	// -------------------------------------------------------------------------
+	// validate the parameters
+
+	if(points < 1) points = 1;
+	if(group < 1) group = 1;
+
+	if(before == 0 || before > rrdset_last_entry_t(st)) before = rrdset_last_entry_t(st);
+	if(after  == 0 || after < rrdset_first_entry_t(st)) after = rrdset_first_entry_t(st);
+
+	// ---
+
+	// our return value (the last timestamp printed)
+	// this is required to detect re-transmit in google JSONP
+	time_t last_timestamp = 0;
+
+
+	// -------------------------------------------------------------------------
+	// find how many dimensions we have
+
+	int dimensions = 0;
+	RRDDIM *rd;
+	for( rd = st->dimensions ; rd ; rd = rd->next) dimensions++;
+	if(!dimensions) {
+		pthread_rwlock_unlock(&st->rwlock);
+		buffer_strcat(wb, "No dimensions yet.");
+		return 0;
+	}
+
+
+	// -------------------------------------------------------------------------
+	// prepare various strings, to speed up the loop
+
+	char overflow_annotation[201]; snprintf(overflow_annotation, 200, ",{%sv%s:%sRESET OR OVERFLOW%s},{%sv%s:%sThe counters have been wrapped.%s}", kq, kq, sq, sq, kq, kq, sq, sq);
+	char normal_annotation[201];   snprintf(normal_annotation,   200, ",{%sv%s:null},{%sv%s:null}", kq, kq, kq, kq);
+	char pre_date[51];             snprintf(pre_date,             50, "		{%sc%s:[{%sv%s:%s", kq, kq, kq, kq, sq);
+	char post_date[21];            snprintf(post_date,            20, "%s}", sq);
+	char pre_value[21];            snprintf(pre_value,            20, ",{%sv%s:", kq, kq);
+	char post_value[21];           snprintf(post_value,           20, "}");
+
+
+	// -------------------------------------------------------------------------
+	// checks for debugging
+
+	if(st->debug) {
+		debug(D_RRD_STATS, "%s first_entry_t = %lu, last_entry_t = %lu, duration = %lu, after = %lu, before = %lu, duration = %lu, entries_to_show = %lu, group = %lu"
+			, st->id
+			, rrdset_first_entry_t(st)
+			, rrdset_last_entry_t(st)
+			, rrdset_last_entry_t(st) - rrdset_first_entry_t(st)
+			, after
+			, before
+			, before - after
+			, points
+			, group
+			);
+
+		if(before < after)
+			debug(D_RRD_STATS, "WARNING: %s The newest value in the database (%lu) is earlier than the oldest (%lu)", st->name, before, after);
+
+		if((before - after) > st->entries * st->update_every)
+			debug(D_RRD_STATS, "WARNING: %s The time difference between the oldest and the newest entries (%lu) is higher than the capacity of the database (%lu)", st->name, before - after, st->entries * st->update_every);
+	}
+
+
+	// -------------------------------------------------------------------------
+	// temp arrays for keeping values per dimension
+
+	calculated_number group_values[dimensions]; // keep sums when grouping
+	int               print_hidden[dimensions]; // keep hidden flags
+	int               found_non_zero[dimensions];
+	int               found_non_existing[dimensions];
+
+	// initialize them
+	for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+		group_values[c] = 0;
+		print_hidden[c] = (rd->flags & RRDDIM_FLAG_HIDDEN)?1:0;
+		found_non_zero[c] = 0;
+		found_non_existing[c] = 0;
+	}
+
+
+	// error("OLD: points=%d after=%d before=%d group=%d, duration=%d", entries_to_show, before - (st->update_every * group * entries_to_show), before, group, before - after + 1);
+	// rrd2array(st, entries_to_show, before - (st->update_every * group * entries_to_show), before, group_method, only_non_zero);
+	// rrd2rrdr(st, entries_to_show, before - (st->update_every * group * entries_to_show), before, group_method);
+
+	// -------------------------------------------------------------------------
+	// remove dimensions that contain only zeros
+
+	int max_loop = 1;
+	if(only_non_zero) max_loop = 2;
+
+	for(; max_loop ; max_loop--) {
+
+		// -------------------------------------------------------------------------
+		// print the JSON header
+
+		buffer_sprintf(wb, "{\n	%scols%s:\n	[\n", kq, kq);
+		buffer_sprintf(wb, "		{%sid%s:%s%s,%slabel%s:%stime%s,%spattern%s:%s%s,%stype%s:%sdatetime%s},\n", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq);
+		buffer_sprintf(wb, "		{%sid%s:%s%s,%slabel%s:%s%s,%spattern%s:%s%s,%stype%s:%sstring%s,%sp%s:{%srole%s:%sannotation%s}},\n", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, kq, kq, sq, sq);
+		buffer_sprintf(wb, "		{%sid%s:%s%s,%slabel%s:%s%s,%spattern%s:%s%s,%stype%s:%sstring%s,%sp%s:{%srole%s:%sannotationText%s}}", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, kq, kq, sq, sq);
+
+		// print the header for each dimension
+		// and update the print_hidden array for the dimensions that should be hidden
+		int pc = 0;
+		for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+			if(!print_hidden[c]) {
+				pc++;
+				buffer_sprintf(wb, ",\n		{%sid%s:%s%s,%slabel%s:%s%s%s,%spattern%s:%s%s,%stype%s:%snumber%s}", kq, kq, sq, sq, kq, kq, sq, rd->name, sq, kq, kq, sq, sq, kq, kq, sq, sq);
+			}
+		}
+		if(!pc) {
+			buffer_sprintf(wb, ",\n		{%sid%s:%s%s,%slabel%s:%s%s%s,%spattern%s:%s%s,%stype%s:%snumber%s}", kq, kq, sq, sq, kq, kq, sq, "no data", sq, kq, kq, sq, sq, kq, kq, sq, sq);
+		}
+
+		// print the begin of row data
+		buffer_sprintf(wb, "\n	],\n	%srows%s:\n	[\n", kq, kq);
+
+
+		// -------------------------------------------------------------------------
+		// the main loop
+
+		int annotate_reset = 0;
+		int annotation_count = 0;
+
+		long 	t = rrdset_time2slot(st, before),
+				stop_at_t = rrdset_time2slot(st, after),
+				stop_now = 0;
+
+		t -= t % group;
+
+		time_t 	now = rrdset_slot2time(st, t),
+				dt = st->update_every;
+
+		long count = 0, printed = 0, group_count = 0;
+		last_timestamp = 0;
+
+		if(st->debug) debug(D_RRD_STATS, "%s: REQUEST after:%lu before:%lu, points:%d, group:%d, CHART cur:%ld first: %lu last:%lu, CALC start_t:%ld, stop_t:%ld"
+					, st->id
+					, after
+					, before
+					, points
+					, group
+					, st->current_entry
+					, rrdset_first_entry_t(st)
+					, rrdset_last_entry_t(st)
+					, t
+					, stop_at_t
+					);
+
+		long counter = 0;
+		for(; !stop_now ; now -= dt, t--, counter++) {
+			if(t < 0) t = st->entries - 1;
+			if(t == stop_at_t) stop_now = counter;
+
+			int print_this = 0;
+
+			if(st->debug) debug(D_RRD_STATS, "%s t = %ld, count = %ld, group_count = %ld, printed = %ld, now = %lu, %s %s"
+					, st->id
+					, t
+					, count + 1
+					, group_count + 1
+					, printed
+					, now
+					, (group_count + 1 == group)?"PRINT":"  -  "
+					, (now >= after && now <= before)?"RANGE":"  -  "
+					);
+
+
+			// make sure we return data in the proper time range
+			if(now > before) continue;
+			if(now < after) break;
+
+			//if(rrdset_slot2time(st, t) != now)
+			//	error("%s: slot=%ld, now=%ld, slot2time=%ld, diff=%ld, last_entry_t=%ld, rrdset_last_slot=%ld", st->id, t, now, rrdset_slot2time(st,t), now - rrdset_slot2time(st,t), rrdset_last_entry_t(st), rrdset_last_slot(st));
+
+			count++;
+			group_count++;
+
+			// check if we have to print this now
+			if(group_count == group) {
+				if(printed >= points) {
+					// debug(D_RRD_STATS, "Already printed all rows. Stopping.");
+					break;
+				}
+
+				// generate the local date time
+				struct tm tmbuf, *tm = localtime_r(&now, &tmbuf);
+				if(!tm) { error("localtime() failed."); continue; }
+				if(now > last_timestamp) last_timestamp = now;
+
+				if(printed) buffer_strcat(wb, "]},\n");
+				buffer_strcat(wb, pre_date);
+				buffer_jsdate(wb, tm->tm_year + 1900, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+				buffer_strcat(wb, post_date);
+
+				print_this = 1;
+			}
+
+			// do the calculations
+			for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+				storage_number n = rd->values[t];
+				calculated_number value = unpack_storage_number(n);
+
+				if(!does_storage_number_exist(n)) {
+					value = 0.0;
+					found_non_existing[c]++;
+				}
+				if(did_storage_number_reset(n)) annotate_reset = 1;
+
+				switch(group_method) {
+					case GROUP_MAX:
+						if(abs(value) > abs(group_values[c])) group_values[c] = value;
+						break;
+
+					case GROUP_SUM:
+						group_values[c] += value;
+						break;
+
+					default:
+					case GROUP_AVERAGE:
+						group_values[c] += value;
+						if(print_this) group_values[c] /= ( group_count - found_non_existing[c] );
+						break;
+				}
+			}
+
+			if(print_this) {
+				if(annotate_reset) {
+					annotation_count++;
+					buffer_strcat(wb, overflow_annotation);
+					annotate_reset = 0;
+				}
+				else
+					buffer_strcat(wb, normal_annotation);
+
+				pc = 0;
+				for(c = 0 ; c < dimensions ; c++) {
+					if(found_non_existing[c] == group_count) {
+						// all entries are non-existing
+						pc++;
+						buffer_strcat(wb, pre_value);
+						buffer_strcat(wb, "null");
+						buffer_strcat(wb, post_value);
+					}
+					else if(!print_hidden[c]) {
+						pc++;
+						buffer_strcat(wb, pre_value);
+						buffer_rrd_value(wb, group_values[c]);
+						buffer_strcat(wb, post_value);
+
+						if(group_values[c]) found_non_zero[c]++;
+					}
+
+					// reset them for the next loop
+					group_values[c] = 0;
+					found_non_existing[c] = 0;
+				}
+
+				// if all dimensions are hidden, print a null
+				if(!pc) {
+					buffer_strcat(wb, pre_value);
+					buffer_strcat(wb, "null");
+					buffer_strcat(wb, post_value);
+				}
+
+				printed++;
+				group_count = 0;
+			}
+		}
+
+		if(printed) buffer_strcat(wb, "]}");
+		buffer_strcat(wb, "\n	]\n}\n");
+
+		if(only_non_zero && max_loop > 1) {
+			int changed = 0;
+			for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+				group_values[c] = 0;
+				found_non_existing[c] = 0;
+
+				if(!print_hidden[c] && !found_non_zero[c]) {
+					changed = 1;
+					print_hidden[c] = 1;
+				}
+			}
+
+			if(changed) buffer_flush(wb);
+			else break;
+		}
+		else break;
+
+	} // max_loop
+
+	debug(D_RRD_STATS, "RRD_STATS_JSON: %s total %ld bytes", st->name, wb->len);
+
+	pthread_rwlock_unlock(&st->rwlock);
+	return last_timestamp;
+}
diff --git a/src/rrd2json.h b/src/rrd2json.h
new file mode 100755
index 00000000..d1f850d4
--- /dev/null
+++ b/src/rrd2json.h
@@ -0,0 +1,69 @@
+#include <time.h>
+
+#include "web_buffer.h"
+#include "rrd.h"
+
+#ifndef NETDATA_RRD2JSON_H
+#define NETDATA_RRD2JSON_H 1
+
+#define HOSTNAME_MAX 1024
+extern char *hostname;
+
+// type of JSON generations
+#define DATASOURCE_INVALID -1
+#define DATASOURCE_JSON 0
+#define DATASOURCE_DATATABLE_JSON 1
+#define DATASOURCE_DATATABLE_JSONP 2
+#define DATASOURCE_SSV 3
+#define DATASOURCE_CSV 4
+#define DATASOURCE_JSONP 5
+#define DATASOURCE_TSV 6
+#define DATASOURCE_HTML 7
+#define DATASOURCE_JS_ARRAY 8
+#define DATASOURCE_SSV_COMMA 9
+#define DATASOURCE_CSV_JSON_ARRAY 10
+
+#define DATASOURCE_FORMAT_JSON "json"
+#define DATASOURCE_FORMAT_DATATABLE_JSON "datatable"
+#define DATASOURCE_FORMAT_DATATABLE_JSONP "datasource"
+#define DATASOURCE_FORMAT_JSONP "jsonp"
+#define DATASOURCE_FORMAT_SSV "ssv"
+#define DATASOURCE_FORMAT_CSV "csv"
+#define DATASOURCE_FORMAT_TSV "tsv"
+#define DATASOURCE_FORMAT_HTML "html"
+#define DATASOURCE_FORMAT_JS_ARRAY "array"
+#define DATASOURCE_FORMAT_SSV_COMMA "ssvcomma"
+#define DATASOURCE_FORMAT_CSV_JSON_ARRAY "csvjsonarray"
+
+#define GROUP_AVERAGE	0
+#define GROUP_MAX 		1
+#define GROUP_SUM		2
+
+#define RRDR_OPTION_NONZERO 		0x00000001 // don't output dimensions will just zero values
+#define RRDR_OPTION_REVERSED		0x00000002 // output the rows in reverse order (oldest to newest)
+#define RRDR_OPTION_ABSOLUTE 		0x00000004 // values positive, for DATASOURCE_SSV before summing
+#define RRDR_OPTION_MIN2MAX	 		0x00000008 // for DATASOURCE_SSV, out max - min, instead of sum
+#define RRDR_OPTION_SECONDS			0x00000010 // output seconds, instead of dates
+#define RRDR_OPTION_MILLISECONDS	0x00000020 // output milliseconds, instead of dates
+#define RRDR_OPTION_NULL2ZERO		0x00000040 // do not show nulls, convert them to zeros
+#define RRDR_OPTION_OBJECTSROWS		0x00000080 // each row of values should be an object, not an array
+#define RRDR_OPTION_GOOGLE_JSON		0x00000100 // comply with google JSON/JSONP specs
+#define RRDR_OPTION_JSON_WRAP		0x00000200 // wrap the response in a JSON header with info about the result
+#define RRDR_OPTION_LABEL_QUOTES 	0x00000400 // in CSV output, wrap header labels in double quotes
+#define RRDR_OPTION_PERCENTAGE		0x00000800 // give values as percentage of total
+
+extern void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb);
+extern void rrd_stats_api_v1_charts(BUFFER *wb);
+
+extern unsigned long rrd_stats_one_json(RRDSET *st, char *options, BUFFER *wb);
+
+extern void rrd_stats_graph_json(RRDSET *st, char *options, BUFFER *wb);
+
+extern void rrd_stats_all_json(BUFFER *wb);
+
+extern time_t rrd_stats_json(int type, RRDSET *st, BUFFER *wb, long entries_to_show, long group, int group_method, time_t after, time_t before, int only_non_zero);
+
+extern int rrd2format(RRDSET *st, BUFFER *out, BUFFER *dimensions, uint32_t format, long points, long long after, long long before, int group_method, uint32_t options, time_t *latest_timestamp);
+
+
+#endif /* NETDATA_RRD2JSON_H */
diff --git a/src/storage_number.c b/src/storage_number.c
new file mode 100755
index 00000000..225cf034
--- /dev/null
+++ b/src/storage_number.c
@@ -0,0 +1,206 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#ifdef STORAGE_WITH_MATH
+#include <math.h>
+#endif
+
+#include "common.h"
+#include "log.h"
+#include "storage_number.h"
+
+#if __GNUC__
+#if __x86_64__ || __ppc64__
+#define ENVIRONMENT64
+#else
+#define ENVIRONMENT32
+#endif
+#endif
+
+storage_number pack_storage_number(calculated_number value, uint32_t flags)
+{
+	// bit 32 = sign 0:positive, 1:negative
+	// bit 31 = 0:divide, 1:multiply
+	// bit 30, 29, 28 = (multiplier or divider) 0-6 (7 total)
+	// bit 27, 26, 25 flags
+	// bit 24 to bit 1 = the value
+
+	storage_number r = get_storage_number_flags(flags);
+	if(!value) return r;
+
+	int m = 0;
+	calculated_number n = value;
+
+	// if the value is negative
+	// add the sign bit and make it positive
+	if(n < 0) {
+		r += (1 << 31); // the sign bit 32
+		n = -n;
+	}
+
+	// make its integer part fit in 0x00ffffff
+	// by dividing it by 10 up to 7 times
+	// and increasing the multiplier
+	while(m < 7 && n > (calculated_number)0x00ffffff) {
+		n /= 10;
+		m++;
+	}
+
+	if(m) {
+		// the value was too big and we divided it
+		// so we add a multiplier to unpack it
+		r += (1 << 30) + (m << 27); // the multiplier m
+
+		if(n > (calculated_number)0x00ffffff) {
+			error("Number " CALCULATED_NUMBER_FORMAT " is too big.", value);
+			r += 0x00ffffff;
+			return r;
+		}
+	}
+	else {
+		// 0x0019999e is the number that can be multiplied
+		// by 10 to give 0x00ffffff
+		// while the value is below 0x0019999e we can
+		// multiply it by 10, up to 7 times, increasing
+		// the multiplier
+		while(m < 7 && n < (calculated_number)0x0019999e) {
+			n *= 10;
+			m++;
+		}
+
+		// the value was small enough and we multiplied it
+		// so we add a divider to unpack it
+		r += (0 << 30) + (m << 27); // the divider m
+	}
+
+#ifdef STORAGE_WITH_MATH
+	// without this there are rounding problems
+	// example: 0.9 becomes 0.89
+	r += lrint((double) n);
+#else
+	r += (storage_number)n;
+#endif
+
+	return r;
+}
+
+calculated_number unpack_storage_number(storage_number value)
+{
+	if(!value) return 0;
+
+	int sign = 0, exp = 0;
+
+	value ^= get_storage_number_flags(value);
+
+	if(value & (1 << 31)) {
+		sign = 1;
+		value ^= 1 << 31;
+	}
+
+	if(value & (1 << 30)) {
+		exp = 1;
+		value ^= 1 << 30;
+	}
+
+	int mul = value >> 27;
+	value ^= mul << 27;
+
+	calculated_number n = value;
+
+	// fprintf(stderr, "UNPACK: %08X, sign = %d, exp = %d, mul = %d, n = " CALCULATED_NUMBER_FORMAT "\n", value, sign, exp, mul, n);
+
+	while(mul > 0) {
+		if(exp) n *= 10;
+		else n /= 10;
+		mul--;
+	}
+
+	if(sign) n = -n;
+	return n;
+}
+
+#ifdef ENVIRONMENT32
+// This trick seems to give an 80% speed increase in 32bit systems
+// print_calculated_number_llu_r() will just print the digits up to the
+// point the remaining value fits in 32 bits, and then calls
+// print_calculated_number_lu_r() to print the rest with 32 bit arithmetic.
+
+static char *print_calculated_number_lu_r(char *str, unsigned long uvalue) {
+	char *wstr = str;
+
+	// print each digit
+	do *wstr++ = (char)(48 + (uvalue % 10)); while(uvalue /= 10);
+	return wstr;
+}
+
+static char *print_calculated_number_llu_r(char *str, unsigned long long uvalue) {
+	char *wstr = str;
+
+	// print each digit
+	do *wstr++ = (char)(48 + (uvalue % 10)); while((uvalue /= 10) && uvalue > (unsigned long long)0xffffffff);
+	if(uvalue) return print_calculated_number_lu_r(wstr, uvalue);
+	return wstr;
+}
+#endif
+
+int print_calculated_number(char *str, calculated_number value)
+{
+	char *wstr = str;
+
+	int sign = (value < 0) ? 1 : 0;
+	if(sign) value = -value;
+
+#ifdef STORAGE_WITH_MATH
+	// without llrint() there are rounding problems
+	// for example 0.9 becomes 0.89
+	unsigned long long uvalue = (unsigned long long int) llrint(value * (calculated_number)100000);
+#else
+	unsigned long long uvalue = value * (calculated_number)100000;
+#endif
+
+#ifdef ENVIRONMENT32
+	if(uvalue > (unsigned long long)0xffffffff)
+		wstr = print_calculated_number_llu_r(str, uvalue);
+	else
+		wstr = print_calculated_number_lu_r(str, uvalue);
+#else
+	do *wstr++ = (char)(48 + (uvalue % 10)); while(uvalue /= 10);
+#endif
+
+	// make sure we have 6 bytes at least
+	while((wstr - str) < 6) *wstr++ = '0';
+
+	// put the sign back
+	if(sign) *wstr++ = '-';
+
+	// reverse it
+    char *begin = str, *end = --wstr, aux;
+    while (end > begin) aux = *end, *end-- = *begin, *begin++ = aux;
+	// wstr--;
+	// strreverse(str, wstr);
+
+	// remove trailing zeros
+	int decimal = 5;
+	while(decimal > 0 && *wstr == '0') {
+		*wstr-- = '\0';
+		decimal--;
+	}
+
+	// terminate it, one position to the right
+	// to let space for a dot
+	wstr[2] = '\0';
+
+	// make space for the dot
+	int i;
+	for(i = 0; i < decimal ;i++) {
+		wstr[1] = wstr[0];
+		wstr--;
+	}
+
+	// put the dot
+	if(wstr[2] == '\0') { wstr[1] = '\0'; decimal--; }
+	else wstr[1] = '.';
+
+	// return the buffer length
+	return (int) ((wstr - str) + 2 + decimal );
+}
diff --git a/src/storage_number.h b/src/storage_number.h
new file mode 100755
index 00000000..f35e99dd
--- /dev/null
+++ b/src/storage_number.h
@@ -0,0 +1,52 @@
+#ifndef NETDATA_STORAGE_NUMBER_H
+#define NETDATA_STORAGE_NUMBER_H
+
+typedef long double calculated_number;
+#define CALCULATED_NUMBER_FORMAT "%0.7Lf"
+//typedef long long calculated_number;
+//#define CALCULATED_NUMBER_FORMAT "%lld"
+
+typedef long long collected_number;
+#define COLLECTED_NUMBER_FORMAT "%lld"
+
+/*
+typedef long double collected_number;
+#define COLLECTED_NUMBER_FORMAT "%0.7Lf"
+*/
+
+typedef int32_t storage_number;
+typedef uint32_t ustorage_number;
+#define STORAGE_NUMBER_FORMAT "%d"
+
+#define SN_NOT_EXISTS		(0x0 << 24)
+#define SN_EXISTS			(0x1 << 24)
+#define SN_EXISTS_RESET		(0x2 << 24)
+#define SN_EXISTS_UNDEF1	(0x3 << 24)
+#define SN_EXISTS_UNDEF2	(0x4 << 24)
+#define SN_EXISTS_UNDEF3	(0x5 << 24)
+#define SN_EXISTS_UNDEF4	(0x6 << 24)
+
+#define SN_FLAGS_MASK		(~(0x6 << 24))
+
+// extract the flags
+#define get_storage_number_flags(value) ((((storage_number)value) & (1 << 24)) | (((storage_number)value) & (2 << 24)) | (((storage_number)value) & (4 << 24)))
+
+// checks
+#define does_storage_number_exist(value) ((get_storage_number_flags(value) != 0)?1:0)
+#define did_storage_number_reset(value)  ((get_storage_number_flags(value) == SN_EXISTS_RESET)?1:0)
+
+storage_number pack_storage_number(calculated_number value, uint32_t flags);
+calculated_number unpack_storage_number(storage_number value);
+
+int print_calculated_number(char *str, calculated_number value);
+
+#define STORAGE_NUMBER_POSITIVE_MAX 167772150000000.0
+#define STORAGE_NUMBER_POSITIVE_MIN 0.00001
+#define STORAGE_NUMBER_NEGATIVE_MAX -0.00001
+#define STORAGE_NUMBER_NEGATIVE_MIN -167772150000000.0
+
+// accepted accuracy loss
+#define ACCURACY_LOSS 0.0001
+#define accuracy_loss(t1, t2) ((t1 == t2 || t1 == 0.0 || t2 == 0.0) ? 0.0 : (100.0 - ((t1 > t2) ? (t2 * 100.0 / t1 ) : (t1 * 100.0 / t2))))
+
+#endif /* NETDATA_STORAGE_NUMBER_H */
diff --git a/src/sys_kernel_mm_ksm.c b/src/sys_kernel_mm_ksm.c
new file mode 100755
index 00000000..822e0d41
--- /dev/null
+++ b/src/sys_kernel_mm_ksm.c
@@ -0,0 +1,150 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+typedef struct name_value {
+	char filename[FILENAME_MAX + 1];
+	unsigned long long value;
+} NAME_VALUE;
+
+#define PAGES_SHARED 0
+#define PAGES_SHARING 1
+#define PAGES_UNSHARED 2
+#define PAGES_VOLATILE 3
+#define PAGES_TO_SCAN 4
+
+NAME_VALUE values[] = {
+		[PAGES_SHARED] = { "/sys/kernel/mm/ksm/pages_shared", 0ULL },
+		[PAGES_SHARING] = { "/sys/kernel/mm/ksm/pages_sharing", 0ULL },
+		[PAGES_UNSHARED] = { "/sys/kernel/mm/ksm/pages_unshared", 0ULL },
+		[PAGES_VOLATILE] = { "/sys/kernel/mm/ksm/pages_volatile", 0ULL },
+		[PAGES_TO_SCAN] = { "/sys/kernel/mm/ksm/pages_to_scan", 0ULL },
+};
+
+int do_sys_kernel_mm_ksm(int update_every, unsigned long long dt) {
+	static procfile *ff_pages_shared = NULL, *ff_pages_sharing = NULL, *ff_pages_unshared = NULL, *ff_pages_volatile = NULL, *ff_pages_to_scan = NULL;
+	static long page_size = -1;
+
+	if(dt) {};
+
+	if(page_size == -1)
+		page_size = sysconf(_SC_PAGESIZE);
+
+	if(!ff_pages_shared) {
+		snprintf(values[PAGES_SHARED].filename, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/kernel/mm/ksm/pages_shared");
+		snprintf(values[PAGES_SHARED].filename, FILENAME_MAX, "%s", config_get("plugin:proc:/sys/kernel/mm/ksm", "/sys/kernel/mm/ksm/pages_shared", values[PAGES_SHARED].filename));
+		ff_pages_shared = procfile_open(values[PAGES_SHARED].filename, " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+
+	if(!ff_pages_sharing) {
+		snprintf(values[PAGES_SHARING].filename, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/kernel/mm/ksm/pages_sharing");
+		snprintf(values[PAGES_SHARING].filename, FILENAME_MAX, "%s", config_get("plugin:proc:/sys/kernel/mm/ksm", "/sys/kernel/mm/ksm/pages_sharing", values[PAGES_SHARING].filename));
+		ff_pages_sharing = procfile_open(values[PAGES_SHARING].filename, " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+
+	if(!ff_pages_unshared) {
+		snprintf(values[PAGES_UNSHARED].filename, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/kernel/mm/ksm/pages_unshared");
+		snprintf(values[PAGES_UNSHARED].filename, FILENAME_MAX, "%s", config_get("plugin:proc:/sys/kernel/mm/ksm", "/sys/kernel/mm/ksm/pages_unshared", values[PAGES_UNSHARED].filename));
+		ff_pages_unshared = procfile_open(values[PAGES_UNSHARED].filename, " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+
+	if(!ff_pages_volatile) {
+		snprintf(values[PAGES_VOLATILE].filename, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/kernel/mm/ksm/pages_volatile");
+		snprintf(values[PAGES_VOLATILE].filename, FILENAME_MAX, "%s", config_get("plugin:proc:/sys/kernel/mm/ksm", "/sys/kernel/mm/ksm/pages_volatile", values[PAGES_VOLATILE].filename));
+		ff_pages_volatile = procfile_open(values[PAGES_VOLATILE].filename, " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+
+	if(!ff_pages_to_scan) {
+		snprintf(values[PAGES_TO_SCAN].filename, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/kernel/mm/ksm/pages_to_scan");
+		snprintf(values[PAGES_TO_SCAN].filename, FILENAME_MAX, "%s", config_get("plugin:proc:/sys/kernel/mm/ksm", "/sys/kernel/mm/ksm/pages_to_scan", values[PAGES_TO_SCAN].filename));
+		ff_pages_to_scan = procfile_open(values[PAGES_TO_SCAN].filename, " \t:", PROCFILE_FLAG_DEFAULT);
+	}
+
+	if(!ff_pages_shared || !ff_pages_sharing || !ff_pages_unshared || !ff_pages_volatile || !ff_pages_to_scan) return 1;
+
+	unsigned long long pages_shared = 0, pages_sharing = 0, pages_unshared = 0, pages_volatile = 0, pages_to_scan = 0, offered = 0, saved = 0;
+
+	ff_pages_shared = procfile_readall(ff_pages_shared);
+	if(!ff_pages_shared) return 0; // we return 0, so that we will retry to open it next time
+	pages_shared = strtoull(procfile_lineword(ff_pages_shared, 0, 0), NULL, 10);
+
+	ff_pages_sharing = procfile_readall(ff_pages_sharing);
+	if(!ff_pages_sharing) return 0; // we return 0, so that we will retry to open it next time
+	pages_sharing = strtoull(procfile_lineword(ff_pages_sharing, 0, 0), NULL, 10);
+
+	ff_pages_unshared = procfile_readall(ff_pages_unshared);
+	if(!ff_pages_unshared) return 0; // we return 0, so that we will retry to open it next time
+	pages_unshared = strtoull(procfile_lineword(ff_pages_unshared, 0, 0), NULL, 10);
+
+	ff_pages_volatile = procfile_readall(ff_pages_volatile);
+	if(!ff_pages_volatile) return 0; // we return 0, so that we will retry to open it next time
+	pages_volatile = strtoull(procfile_lineword(ff_pages_volatile, 0, 0), NULL, 10);
+
+	ff_pages_to_scan = procfile_readall(ff_pages_to_scan);
+	if(!ff_pages_to_scan) return 0; // we return 0, so that we will retry to open it next time
+	pages_to_scan = strtoull(procfile_lineword(ff_pages_to_scan, 0, 0), NULL, 10);
+
+	offered = pages_sharing + pages_unshared + pages_volatile;
+	saved = pages_sharing - pages_shared;
+
+	if(!offered || !pages_to_scan) return 0;
+
+	RRDSET *st;
+
+	// --------------------------------------------------------------------
+
+	st = rrdset_find("mem.ksm");
+	if(!st) {
+		st = rrdset_create("mem", "ksm", NULL, "ksm", NULL, "Kernel Same Page Merging", "MB", 5000, update_every, RRDSET_TYPE_AREA);
+
+		rrddim_add(st, "shared", NULL, 1, 1024 * 1024, RRDDIM_ABSOLUTE);
+		rrddim_add(st, "unshared", NULL, -1, 1024 * 1024, RRDDIM_ABSOLUTE);
+		rrddim_add(st, "sharing", NULL, 1, 1024 * 1024, RRDDIM_ABSOLUTE);
+		rrddim_add(st, "volatile", NULL, -1, 1024 * 1024, RRDDIM_ABSOLUTE);
+		rrddim_add(st, "to_scan", "to scan", -1, 1024 * 1024, RRDDIM_ABSOLUTE);
+	}
+	else rrdset_next(st);
+
+	rrddim_set(st, "shared", pages_shared * page_size);
+	rrddim_set(st, "unshared", pages_unshared * page_size);
+	rrddim_set(st, "sharing", pages_sharing * page_size);
+	rrddim_set(st, "volatile", pages_volatile * page_size);
+	rrddim_set(st, "to_scan", pages_to_scan * page_size);
+	rrdset_done(st);
+
+	st = rrdset_find("mem.ksm_savings");
+	if(!st) {
+		st = rrdset_create("mem", "ksm_savings", NULL, "ksm", NULL, "Kernel Same Page Merging Savings", "MB", 5001, update_every, RRDSET_TYPE_AREA);
+
+		rrddim_add(st, "savings", NULL, -1, 1024 * 1024, RRDDIM_ABSOLUTE);
+		rrddim_add(st, "offered", NULL, 1, 1024 * 1024, RRDDIM_ABSOLUTE);
+	}
+	else rrdset_next(st);
+
+	rrddim_set(st, "savings", saved * page_size);
+	rrddim_set(st, "offered", offered * page_size);
+	rrdset_done(st);
+
+	st = rrdset_find("mem.ksm_ratios");
+	if(!st) {
+		st = rrdset_create("mem", "ksm_ratios", NULL, "ksm", NULL, "Kernel Same Page Merging Effectiveness", "percentage", 5002, update_every, RRDSET_TYPE_LINE);
+
+		rrddim_add(st, "savings", NULL, 1, 10000, RRDDIM_ABSOLUTE);
+	}
+	else rrdset_next(st);
+
+	rrddim_set(st, "savings", (saved * 1000000) / offered);
+	rrdset_done(st);
+
+	return 0;
+}
diff --git a/src/unit_test.c b/src/unit_test.c
new file mode 100755
index 00000000..47aa5396
--- /dev/null
+++ b/src/unit_test.c
@@ -0,0 +1,799 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/resource.h>
+
+#include "common.h"
+#include "storage_number.h"
+#include "rrd.h"
+#include "log.h"
+#include "web_buffer.h"
+
+int check_storage_number(calculated_number n, int debug) {
+	char buffer[100];
+	uint32_t flags = SN_EXISTS;
+
+	storage_number s = pack_storage_number(n, flags);
+	calculated_number d = unpack_storage_number(s);
+
+	if(!does_storage_number_exist(s)) {
+		fprintf(stderr, "Exists flags missing for number " CALCULATED_NUMBER_FORMAT "!\n", n);
+		return 5;
+	}
+
+	calculated_number ddiff = d - n;
+	calculated_number dcdiff = ddiff * 100.0 / n;
+
+	if(dcdiff < 0) dcdiff = -dcdiff;
+
+	size_t len = print_calculated_number(buffer, d);
+	calculated_number p = strtold(buffer, NULL);
+	calculated_number pdiff = n - p;
+	calculated_number pcdiff = pdiff * 100.0 / n;
+	if(pcdiff < 0) pcdiff = -pcdiff;
+
+	if(debug) {
+		fprintf(stderr,
+			CALCULATED_NUMBER_FORMAT " original\n"
+			CALCULATED_NUMBER_FORMAT " packed and unpacked, (stored as 0x%08X, diff " CALCULATED_NUMBER_FORMAT ", " CALCULATED_NUMBER_FORMAT "%%)\n"
+			"%s printed after unpacked (%zu bytes)\n"
+			CALCULATED_NUMBER_FORMAT " re-parsed from printed (diff " CALCULATED_NUMBER_FORMAT ", " CALCULATED_NUMBER_FORMAT "%%)\n\n",
+			n,
+			d, s, ddiff, dcdiff,
+			buffer,
+			len, p, pdiff, pcdiff
+		);
+		if(len != strlen(buffer)) fprintf(stderr, "ERROR: printed number %s is reported to have length %zu but it has %zu\n", buffer, len, strlen(buffer));
+		if(dcdiff > ACCURACY_LOSS) fprintf(stderr, "WARNING: packing number " CALCULATED_NUMBER_FORMAT " has accuracy loss %0.7Lf %%\n", n, dcdiff);
+		if(pcdiff > ACCURACY_LOSS) fprintf(stderr, "WARNING: re-parsing the packed, unpacked and printed number " CALCULATED_NUMBER_FORMAT " has accuracy loss %0.7Lf %%\n", n, pcdiff);
+	}
+
+	if(len != strlen(buffer)) return 1;
+	if(dcdiff > ACCURACY_LOSS) return 3;
+	if(pcdiff > ACCURACY_LOSS) return 4;
+	return 0;
+}
+
+void benchmark_storage_number(int loop, int multiplier) {
+	int i, j;
+	calculated_number n, d;
+	storage_number s;
+	unsigned long long user, system, total, mine, their;
+
+	char buffer[100];
+
+	struct rusage now, last;
+
+	fprintf(stderr, "\n\nBenchmarking %d numbers, please wait...\n\n", loop);
+
+	// ------------------------------------------------------------------------
+
+	fprintf(stderr, "SYSTEM  LONG DOUBLE    SIZE: %zu bytes\n", sizeof(calculated_number));
+	fprintf(stderr, "NETDATA FLOATING POINT SIZE: %zu bytes\n", sizeof(storage_number));
+
+	mine = (calculated_number)sizeof(storage_number) * (calculated_number)loop;
+	their = (calculated_number)sizeof(calculated_number) * (calculated_number)loop;
+
+	if(mine > their) {
+		fprintf(stderr, "\nNETDATA NEEDS %0.2Lf TIMES MORE MEMORY. Sorry!\n", (long double)(mine / their));
+	}
+	else {
+		fprintf(stderr, "\nNETDATA INTERNAL FLOATING POINT ARITHMETICS NEEDS %0.2Lf TIMES LESS MEMORY.\n", (long double)(their / mine));
+	}
+
+	fprintf(stderr, "\nNETDATA FLOATING POINT\n");
+	fprintf(stderr, "MIN POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_POSITIVE_MIN);
+	fprintf(stderr, "MAX POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_POSITIVE_MAX);
+	fprintf(stderr, "MIN NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_NEGATIVE_MIN);
+	fprintf(stderr, "MAX NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_NEGATIVE_MAX);
+	fprintf(stderr, "Maximum accuracy loss: " CALCULATED_NUMBER_FORMAT "%%\n\n\n", (calculated_number)ACCURACY_LOSS);
+
+	// ------------------------------------------------------------------------
+
+	fprintf(stderr, "INTERNAL LONG DOUBLE PRINTING: ");
+	getrusage(RUSAGE_SELF, &last);
+
+	// do the job
+	for(j = 1; j < 11 ;j++) {
+		n = STORAGE_NUMBER_POSITIVE_MIN * j;
+
+		for(i = 0; i < loop ;i++) {
+			n *= multiplier;
+			if(n > STORAGE_NUMBER_POSITIVE_MAX) n = STORAGE_NUMBER_POSITIVE_MIN;
+
+			print_calculated_number(buffer, n);
+		}
+	}
+
+	getrusage(RUSAGE_SELF, &now);
+	user   = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec;
+	system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec;
+	total  = user + system;
+	mine = total;
+
+	fprintf(stderr, "user %0.5Lf, system %0.5Lf, total %0.5Lf\n", (long double)(user / 1000000.0), (long double)(system / 1000000.0), (long double)(total / 1000000.0));
+
+	// ------------------------------------------------------------------------
+
+	fprintf(stderr, "SYSTEM   LONG DOUBLE PRINTING: ");
+	getrusage(RUSAGE_SELF, &last);
+
+	// do the job
+	for(j = 1; j < 11 ;j++) {
+		n = STORAGE_NUMBER_POSITIVE_MIN * j;
+
+		for(i = 0; i < loop ;i++) {
+			n *= multiplier;
+			if(n > STORAGE_NUMBER_POSITIVE_MAX) n = STORAGE_NUMBER_POSITIVE_MIN;
+			snprintf(buffer, 100, CALCULATED_NUMBER_FORMAT, n);
+		}
+	}
+
+	getrusage(RUSAGE_SELF, &now);
+	user   = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec;
+	system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec;
+	total  = user + system;
+	their = total;
+
+	fprintf(stderr, "user %0.5Lf, system %0.5Lf, total %0.5Lf\n", (long double)(user / 1000000.0), (long double)(system / 1000000.0), (long double)(total / 1000000.0));
+
+	if(mine > total) {
+		fprintf(stderr, "NETDATA CODE IS SLOWER %0.2Lf %%\n", (long double)(mine * 100.0 / their - 100.0));
+	}
+	else {
+		fprintf(stderr, "NETDATA CODE IS  F A S T E R  %0.2Lf %%\n", (long double)(their * 100.0 / mine - 100.0));
+	}
+
+	// ------------------------------------------------------------------------
+
+	fprintf(stderr, "\nINTERNAL LONG DOUBLE PRINTING WITH PACK / UNPACK: ");
+	getrusage(RUSAGE_SELF, &last);
+
+	// do the job
+	for(j = 1; j < 11 ;j++) {
+		n = STORAGE_NUMBER_POSITIVE_MIN * j;
+
+		for(i = 0; i < loop ;i++) {
+			n *= multiplier;
+			if(n > STORAGE_NUMBER_POSITIVE_MAX) n = STORAGE_NUMBER_POSITIVE_MIN;
+
+			s = pack_storage_number(n, 1);
+			d = unpack_storage_number(s);
+			print_calculated_number(buffer, d);
+		}
+	}
+
+	getrusage(RUSAGE_SELF, &now);
+	user   = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec;
+	system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec;
+	total  = user + system;
+	mine = total;
+
+	fprintf(stderr, "user %0.5Lf, system %0.5Lf, total %0.5Lf\n", (long double)(user / 1000000.0), (long double)(system / 1000000.0), (long double)(total / 1000000.0));
+
+	if(mine > their) {
+		fprintf(stderr, "WITH PACKING UNPACKING NETDATA CODE IS SLOWER %0.2Lf %%\n", (long double)(mine * 100.0 / their - 100.0));
+	}
+	else {
+		fprintf(stderr, "EVEN WITH PACKING AND UNPACKING, NETDATA CODE IS  F A S T E R  %0.2Lf %%\n", (long double)(their * 100.0 / mine - 100.0));
+	}
+
+	// ------------------------------------------------------------------------
+
+}
+
+static int check_storage_number_exists() {
+	uint32_t flags = SN_EXISTS;
+
+
+	for(flags = 0; flags < 7 ; flags++) {
+		if(get_storage_number_flags(flags << 24) != flags << 24) {
+			fprintf(stderr, "Flag 0x%08x is not checked correctly. It became 0x%08x\n", flags << 24, get_storage_number_flags(flags << 24));
+			return 1;
+		}
+	}
+
+	flags = SN_EXISTS;
+	calculated_number n = 0.0;
+
+	storage_number s = pack_storage_number(n, flags);
+	calculated_number d = unpack_storage_number(s);
+	if(get_storage_number_flags(s) != flags) {
+		fprintf(stderr, "Wrong flags. Given %08x, Got %08x!\n", flags, get_storage_number_flags(s));
+		return 1;
+	}
+	if(n != d) {
+		fprintf(stderr, "Wrong number returned. Expected " CALCULATED_NUMBER_FORMAT ", returned " CALCULATED_NUMBER_FORMAT "!\n", n, d);
+		return 1;
+	}
+
+	return 0;
+}
+
+int unit_test_storage()
+{
+	if(check_storage_number_exists()) return 0;
+
+	calculated_number c, a = 0;
+	int i, j, g, r = 0;
+
+	for(g = -1; g <= 1 ; g++) {
+		a = 0;
+
+		if(!g) continue;
+
+		for(j = 0; j < 9 ;j++) {
+			a += 0.0000001;
+			c = a * g;
+			for(i = 0; i < 21 ;i++, c *= 10) {
+				if(c > 0 && c < STORAGE_NUMBER_POSITIVE_MIN) continue;
+				if(c < 0 && c > STORAGE_NUMBER_NEGATIVE_MAX) continue;
+
+				if(check_storage_number(c, 1)) return 1;
+			}
+		}
+	}
+
+	benchmark_storage_number(1000000, 2);
+	return r;
+}
+
+
+// --------------------------------------------------------------------------------------------------------------------
+
+struct feed_values {
+		unsigned long long microseconds;
+		calculated_number value;
+};
+
+struct test {
+	char name[100];
+	char description[1024];
+
+	int update_every;
+	unsigned long long multiplier;
+	unsigned long long divisor;
+	int algorithm;
+
+	unsigned long feed_entries;
+	unsigned long result_entries;
+	struct feed_values *feed;
+	calculated_number *results;
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test1
+// test absolute values stored
+
+struct feed_values test1_feed[] = {
+		{ 0, 10 },
+		{ 1000000, 20 },
+		{ 1000000, 30 },
+		{ 1000000, 40 },
+		{ 1000000, 50 },
+		{ 1000000, 60 },
+		{ 1000000, 70 },
+		{ 1000000, 80 },
+		{ 1000000, 90 },
+		{ 1000000, 100 },
+};
+
+calculated_number test1_results[] = {
+		20, 30, 40, 50, 60, 70, 80, 90, 100
+};
+
+struct test test1 = {
+		"test1",			// name
+		"test absolute values stored at exactly second boundaries",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_ABSOLUTE,	// algorithm
+		10,					// feed entries
+		9,					// result entries
+		test1_feed,			// feed
+		test1_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test2
+// test absolute values stored in the middle of second boundaries
+
+struct feed_values test2_feed[] = {
+		{ 500000, 10 },
+		{ 1000000, 20 },
+		{ 1000000, 30 },
+		{ 1000000, 40 },
+		{ 1000000, 50 },
+		{ 1000000, 60 },
+		{ 1000000, 70 },
+		{ 1000000, 80 },
+		{ 1000000, 90 },
+		{ 1000000, 100 },
+};
+
+calculated_number test2_results[] = {
+		20, 30, 40, 50, 60, 70, 80, 90, 100
+};
+
+struct test test2 = {
+		"test2",			// name
+		"test absolute values stored in the middle of second boundaries",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_ABSOLUTE,	// algorithm
+		10,					// feed entries
+		9,					// result entries
+		test2_feed,			// feed
+		test2_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test3
+
+struct feed_values test3_feed[] = {
+		{ 0, 10 },
+		{ 1000000, 20 },
+		{ 1000000, 30 },
+		{ 1000000, 40 },
+		{ 1000000, 50 },
+		{ 1000000, 60 },
+		{ 1000000, 70 },
+		{ 1000000, 80 },
+		{ 1000000, 90 },
+		{ 1000000, 100 },
+};
+
+calculated_number test3_results[] = {
+		10, 10, 10, 10, 10, 10, 10, 10, 10
+};
+
+struct test test3 = {
+		"test3",			// name
+		"test incremental values stored at exactly second boundaries",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_INCREMENTAL,	// algorithm
+		10,					// feed entries
+		9,					// result entries
+		test3_feed,			// feed
+		test3_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test4
+
+struct feed_values test4_feed[] = {
+		{ 500000, 10 },
+		{ 1000000, 20 },
+		{ 1000000, 30 },
+		{ 1000000, 40 },
+		{ 1000000, 50 },
+		{ 1000000, 60 },
+		{ 1000000, 70 },
+		{ 1000000, 80 },
+		{ 1000000, 90 },
+		{ 1000000, 100 },
+};
+
+calculated_number test4_results[] = {
+		5, 10, 10, 10, 10, 10, 10, 10, 10
+};
+
+struct test test4 = {
+		"test4",			// name
+		"test incremental values stored in the middle of second boundaries",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_INCREMENTAL,	// algorithm
+		10,					// feed entries
+		9,					// result entries
+		test4_feed,			// feed
+		test4_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test5
+
+struct feed_values test5_feed[] = {
+		{ 500000, 1000 },
+		{ 1000000, 2000 },
+		{ 1000000, 2000 },
+		{ 1000000, 2000 },
+		{ 1000000, 3000 },
+		{ 1000000, 2000 },
+		{ 1000000, 2000 },
+		{ 1000000, 2000 },
+		{ 1000000, 2000 },
+		{ 1000000, 2000 },
+};
+
+calculated_number test5_results[] = {
+		500, 500, 0, 500, 500, 0, 0, 0, 0
+};
+
+struct test test5 = {
+		"test5",			// name
+		"test incremental values ups and downs",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_INCREMENTAL,	// algorithm
+		10,					// feed entries
+		9,					// result entries
+		test5_feed,			// feed
+		test5_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test6
+
+struct feed_values test6_feed[] = {
+		{ 250000, 1000 },
+		{ 250000, 2000 },
+		{ 250000, 3000 },
+		{ 250000, 4000 },
+		{ 250000, 5000 },
+		{ 250000, 6000 },
+		{ 250000, 7000 },
+		{ 250000, 8000 },
+		{ 250000, 9000 },
+		{ 250000, 10000 },
+		{ 250000, 11000 },
+		{ 250000, 12000 },
+		{ 250000, 13000 },
+		{ 250000, 14000 },
+		{ 250000, 15000 },
+		{ 250000, 16000 },
+};
+
+calculated_number test6_results[] = {
+		3000, 4000, 4000, 4000
+};
+
+struct test test6 = {
+		"test6",			// name
+		"test incremental values updated within the same second",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_INCREMENTAL,	// algorithm
+		16,					// feed entries
+		4,					// result entries
+		test6_feed,			// feed
+		test6_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test7
+
+struct feed_values test7_feed[] = {
+		{ 500000, 1000 },
+		{ 2000000, 2000 },
+		{ 2000000, 3000 },
+		{ 2000000, 4000 },
+		{ 2000000, 5000 },
+		{ 2000000, 6000 },
+		{ 2000000, 7000 },
+		{ 2000000, 8000 },
+		{ 2000000, 9000 },
+		{ 2000000, 10000 },
+};
+
+calculated_number test7_results[] = {
+		250, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500
+};
+
+struct test test7 = {
+		"test7",			// name
+		"test incremental values updated in long durations",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_INCREMENTAL,	// algorithm
+		10,					// feed entries
+		18,					// result entries
+		test7_feed,			// feed
+		test7_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test8
+
+struct feed_values test8_feed[] = {
+		{ 500000, 1000 },
+		{ 2000000, 2000 },
+		{ 2000000, 3000 },
+		{ 2000000, 4000 },
+		{ 2000000, 5000 },
+		{ 2000000, 6000 },
+};
+
+calculated_number test8_results[] = {
+		1250, 2000, 2250, 3000, 3250, 4000, 4250, 5000, 5250, 6000
+};
+
+struct test test8 = {
+		"test8",			// name
+		"test absolute values updated in long durations",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_ABSOLUTE,	// algorithm
+		6,					// feed entries
+		10,					// result entries
+		test8_feed,			// feed
+		test8_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test9
+
+struct feed_values test9_feed[] = {
+		{ 250000, 1000 },
+		{ 250000, 2000 },
+		{ 250000, 3000 },
+		{ 250000, 4000 },
+		{ 250000, 5000 },
+		{ 250000, 6000 },
+		{ 250000, 7000 },
+		{ 250000, 8000 },
+		{ 250000, 9000 },
+		{ 250000, 10000 },
+		{ 250000, 11000 },
+		{ 250000, 12000 },
+		{ 250000, 13000 },
+		{ 250000, 14000 },
+		{ 250000, 15000 },
+		{ 250000, 16000 },
+};
+
+calculated_number test9_results[] = {
+		4000, 8000, 12000, 16000
+};
+
+struct test test9 = {
+		"test9",			// name
+		"test absolute values updated within the same second",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_ABSOLUTE,	// algorithm
+		16,					// feed entries
+		4,					// result entries
+		test9_feed,			// feed
+		test9_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+// test10
+
+struct feed_values test10_feed[] = {
+		{ 500000,  1000 },
+		{ 600000,  1000 +  600 },
+		{ 200000,  1600 +  200 },
+		{ 1000000, 1800 + 1000 },
+		{ 200000,  2800 +  200 },
+		{ 2000000, 3000 + 2000 },
+		{ 600000,  5000 +  600 },
+		{ 400000,  5600 +  400 },
+		{ 900000,  6000 +  900 },
+		{ 1000000, 6900 + 1000 },
+};
+
+calculated_number test10_results[] = {
+		500, 1000, 1000, 1000, 1000, 1000, 1000
+};
+
+struct test test10 = {
+		"test10",			// name
+		"test incremental values updated in short and long durations",
+		1,					// update_every
+		1,					// multiplier
+		1,					// divisor
+		RRDDIM_INCREMENTAL,	// algorithm
+		10,					// feed entries
+		7,					// result entries
+		test10_feed,			// feed
+		test10_results		// results
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+
+int run_test(struct test *test)
+{
+	fprintf(stderr, "\nRunning test '%s':\n%s\n", test->name, test->description);
+
+	rrd_memory_mode = RRD_MEMORY_MODE_RAM;
+	rrd_update_every = test->update_every;
+
+	char name[101];
+	snprintf(name, 100, "unittest-%s", test->name);
+
+	// create the chart
+	RRDSET *st = rrdset_create("netdata", name, name, "netdata", NULL, "Unit Testing", "a value", 1, 1, RRDSET_TYPE_LINE);
+	RRDDIM *rd = rrddim_add(st, "dimension", NULL, test->multiplier, test->divisor, test->algorithm);
+	st->debug = 1;
+
+	// feed it with the test data
+	unsigned long c;
+	for(c = 0; c < test->feed_entries; c++) {
+		if(debug_flags) fprintf(stderr, "\n\n");
+
+		if(c) {
+			fprintf(stderr, "    > %s: feeding position %lu, after %llu microseconds, with value " CALCULATED_NUMBER_FORMAT "\n", test->name, c+1, test->feed[c].microseconds, test->feed[c].value);
+			rrdset_next_usec(st, test->feed[c].microseconds);
+		}
+		else {
+			fprintf(stderr, "    > %s: feeding position %lu with value " CALCULATED_NUMBER_FORMAT "\n", test->name, c+1, test->feed[c].value);
+		}
+
+		rrddim_set(st, "dimension", test->feed[c].value);
+		rrdset_done(st);
+
+		// align the first entry to second boundary
+		if(!c) {
+			fprintf(stderr, "    > %s: fixing first collection time to be %llu microseconds to second boundary\n", test->name, test->feed[c].microseconds);
+			rd->last_collected_time.tv_usec = st->last_collected_time.tv_usec = st->last_updated.tv_usec = test->feed[c].microseconds;
+		}
+	}
+
+	// check the result
+	int errors = 0;
+
+	if(st->counter != test->result_entries) {
+		fprintf(stderr, "    %s stored %lu entries, but we were expecting %lu, ### E R R O R ###\n", test->name, st->counter, test->result_entries);
+		errors++;
+	}
+
+	unsigned long max = (st->counter < test->result_entries)?st->counter:test->result_entries;
+	for(c = 0 ; c < max ; c++) {
+		calculated_number v = unpack_storage_number(rd->values[c]), n = test->results[c];
+		fprintf(stderr, "    %s: checking position %lu, expecting value " CALCULATED_NUMBER_FORMAT ", found " CALCULATED_NUMBER_FORMAT ", %s\n", test->name, c+1, n, v, (v == n)?"OK":"### E R R O R ###");
+		if(v != n) errors++;
+	}
+
+	return errors;
+}
+
+int run_all_mockup_tests(void)
+{
+	if(run_test(&test1))
+		return 1;
+
+	if(run_test(&test2))
+		return 1;
+
+	if(run_test(&test3))
+		return 1;
+
+	if(run_test(&test4))
+		return 1;
+
+	if(run_test(&test5))
+		return 1;
+
+	if(run_test(&test6))
+		return 1;
+
+	if(run_test(&test7))
+		return 1;
+
+	if(run_test(&test8))
+		return 1;
+
+	if(run_test(&test9))
+		return 1;
+
+	if(run_test(&test10))
+		return 1;
+
+	return 0;
+}
+
+int unit_test(long delay, long shift)
+{
+	static int repeat = 0;
+	repeat++;
+
+	char name[101];
+	snprintf(name, 100, "unittest-%d-%ld-%ld", repeat, delay, shift);
+
+	//debug_flags = 0xffffffff;
+	rrd_memory_mode = RRD_MEMORY_MODE_RAM;
+	rrd_update_every = 1;
+
+	int do_abs = 1;
+	int do_inc = 1;
+	int do_abst = 0;
+	int do_absi = 0;
+
+	RRDSET *st = rrdset_create("netdata", name, name, "netdata", NULL, "Unit Testing", "a value", 1, 1, RRDSET_TYPE_LINE);
+	st->debug = 1;
+
+	RRDDIM *rdabs = NULL;
+	RRDDIM *rdinc = NULL;
+	RRDDIM *rdabst = NULL;
+	RRDDIM *rdabsi = NULL;
+
+	if(do_abs) rdabs = rrddim_add(st, "absolute", "absolute", 1, 1, RRDDIM_ABSOLUTE);
+	if(do_inc) rdinc = rrddim_add(st, "incremental", "incremental", 1, 1, RRDDIM_INCREMENTAL);
+	if(do_abst) rdabst = rrddim_add(st, "percentage-of-absolute-row", "percentage-of-absolute-row", 1, 1, RRDDIM_PCENT_OVER_ROW_TOTAL);
+	if(do_absi) rdabsi = rrddim_add(st, "percentage-of-incremental-row", "percentage-of-incremental-row", 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
+
+	long increment = 1000;
+	collected_number i = 0;
+
+	unsigned long c, dimensions = 0;
+	RRDDIM *rd;
+	for(rd = st->dimensions ; rd ; rd = rd->next) dimensions++;
+
+	for(c = 0; c < 20 ;c++) {
+		i += increment;
+
+		fprintf(stderr, "\n\nLOOP = %lu, DELAY = %ld, VALUE = " COLLECTED_NUMBER_FORMAT "\n", c, delay, i);
+		if(c) {
+			rrdset_next_usec(st, delay);
+		}
+		if(do_abs) rrddim_set(st, "absolute", i);
+		if(do_inc) rrddim_set(st, "incremental", i);
+		if(do_abst) rrddim_set(st, "percentage-of-absolute-row", i);
+		if(do_absi) rrddim_set(st, "percentage-of-incremental-row", i);
+
+		if(!c) {
+			gettimeofday(&st->last_collected_time, NULL);
+			st->last_collected_time.tv_usec = shift;
+		}
+
+		// prevent it from deleting the dimensions
+		for(rd = st->dimensions ; rd ; rd = rd->next)
+			rd->last_collected_time.tv_sec = st->last_collected_time.tv_sec;
+
+		rrdset_done(st);
+	}
+
+	unsigned long oincrement = increment;
+	increment = increment * st->update_every * 1000000 / delay;
+	fprintf(stderr, "\n\nORIGINAL INCREMENT: %lu, INCREMENT %lu, DELAY %lu, SHIFT %lu\n", oincrement * 10, increment * 10, delay, shift);
+
+	int ret = 0;
+	storage_number sn;
+	calculated_number cn, v;
+	for(c = 0 ; c < st->counter ; c++) {
+		fprintf(stderr, "\nPOSITION: c = %lu, EXPECTED VALUE %lu\n", c, (oincrement + c * increment + increment * (1000000 - shift) / 1000000 )* 10);
+
+		for(rd = st->dimensions ; rd ; rd = rd->next) {
+			sn = rd->values[c];
+			cn = unpack_storage_number(sn);
+			fprintf(stderr, "\t %s " CALCULATED_NUMBER_FORMAT " (PACKED AS " STORAGE_NUMBER_FORMAT ")   ->   ", rd->id, cn, sn);
+
+			if(rd == rdabs) v =
+				(	  oincrement
+					// + (increment * (1000000 - shift) / 1000000)
+					+ (c + 1) * increment
+				);
+
+			else if(rd == rdinc) v = (c?(increment):(increment * (1000000 - shift) / 1000000));
+			else if(rd == rdabst) v = oincrement / dimensions / 10;
+			else if(rd == rdabsi) v = oincrement / dimensions / 10;
+			else v = 0;
+
+			if(v == cn) fprintf(stderr, "passed.\n");
+			else {
+				fprintf(stderr, "ERROR! (expected " CALCULATED_NUMBER_FORMAT ")\n", v);
+				ret = 1;
+			}
+		}
+	}
+
+	if(ret)
+		fprintf(stderr, "\n\nUNIT TEST(%ld, %ld) FAILED\n\n", delay, shift);
+
+	return ret;
+}
diff --git a/src/unit_test.h b/src/unit_test.h
new file mode 100755
index 00000000..916ad71f
--- /dev/null
+++ b/src/unit_test.h
@@ -0,0 +1,8 @@
+#ifndef NETDATA_UNIT_TEST_H
+#define NETDATA_UNIT_TEST_H 1
+
+extern int unit_test_storage(void);
+extern int unit_test(long delay, long shift);
+extern int run_all_mockup_tests(void);
+
+#endif /* NETDATA_UNIT_TEST_H */
diff --git a/src/url.c b/src/url.c
new file mode 100755
index 00000000..c4933b20
--- /dev/null
+++ b/src/url.c
@@ -0,0 +1,81 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "common.h"
+#include "log.h"
+#include "url.h"
+
+// ----------------------------------------------------------------------------
+// URL encode / decode
+// code from: http://www.geekhideout.com/urlcode.shtml
+
+/* Converts a hex character to its integer value */
+char from_hex(char ch) {
+	return (char)(isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10);
+}
+
+/* Converts an integer value to its hex character*/
+char to_hex(char code) {
+	static char hex[] = "0123456789abcdef";
+	return hex[code & 15];
+}
+
+/* Returns a url-encoded version of str */
+/* IMPORTANT: be sure to free() the returned string after use */
+char *url_encode(char *str) {
+	char *pstr = str,
+		*buf = malloc(strlen(str) * 3 + 1),
+		*pbuf = buf;
+
+	while (*pstr) {
+		if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~')
+			*pbuf++ = *pstr;
+
+		else if (*pstr == ' ')
+			*pbuf++ = '+';
+
+		else
+			*pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15);
+
+		pstr++;
+	}
+
+	*pbuf = '\0';
+
+	return buf;
+}
+
+/* Returns a url-decoded version of str */
+/* IMPORTANT: be sure to free() the returned string after use */
+char *url_decode(char *str) {
+	char *pstr = str,
+		*buf = malloc(strlen(str) + 1),
+		*pbuf = buf;
+
+	if(!buf) fatal("Cannot allocate memory.");
+
+	while (*pstr) {
+		if (*pstr == '%') {
+			if (pstr[1] && pstr[2]) {
+				*pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]);
+				pstr += 2;
+			}
+		}
+		else if (*pstr == '+')
+			*pbuf++ = ' ';
+
+		else
+			*pbuf++ = *pstr;
+
+		pstr++;
+	}
+
+	*pbuf = '\0';
+
+	return buf;
+}
+
diff --git a/src/url.h b/src/url.h
new file mode 100755
index 00000000..f79a20ea
--- /dev/null
+++ b/src/url.h
@@ -0,0 +1,22 @@
+#ifndef NETDATA_URL_H
+#define NETDATA_URL_H 1
+
+// ----------------------------------------------------------------------------
+// URL encode / decode
+// code from: http://www.geekhideout.com/urlcode.shtml
+
+/* Converts a hex character to its integer value */
+extern char from_hex(char ch);
+
+/* Converts an integer value to its hex character*/
+extern char to_hex(char code);
+
+/* Returns a url-encoded version of str */
+/* IMPORTANT: be sure to free() the returned string after use */
+extern char *url_encode(char *str);
+
+/* Returns a url-decoded version of str */
+/* IMPORTANT: be sure to free() the returned string after use */
+extern char *url_decode(char *str);
+
+#endif /* NETDATA_URL_H */
diff --git a/src/web_buffer.c b/src/web_buffer.c
new file mode 100755
index 00000000..482eb390
--- /dev/null
+++ b/src/web_buffer.c
@@ -0,0 +1,330 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef STORAGE_WITH_MATH
+#include <math.h>
+#endif
+
+#include "common.h"
+#include "web_buffer.h"
+#include "log.h"
+
+#define BUFFER_OVERFLOW_EOF "EOF"
+
+static inline void buffer_overflow_init(BUFFER *b)
+{
+	b->buffer[b->size] = '\0';
+	strcpy(&b->buffer[b->size + 1], BUFFER_OVERFLOW_EOF);
+}
+
+#ifdef NETDATA_INTERNAL_CHECKS
+#define buffer_overflow_check(b) _buffer_overflow_check(b, __FILE__, __FUNCTION__, __LINE__)
+#else
+#define buffer_overflow_check(b)
+#endif
+
+static inline void _buffer_overflow_check(BUFFER *b, const char *file, const char *function, const unsigned long line)
+{
+	if(b->len > b->size) {
+		error("BUFFER: length %ld is above size %ld, at line %lu, at function %s() of file '%s'.", b->len, b->size, line, function, file);
+		b->len = b->size;
+	}
+
+	if(b->buffer[b->size] != '\0' || strcmp(&b->buffer[b->size + 1], BUFFER_OVERFLOW_EOF)) {
+		error("BUFFER: detected overflow at line %lu, at function %s() of file '%s'.", line, function, file);
+		buffer_overflow_init(b);
+	}
+}
+
+
+void buffer_reset(BUFFER *wb)
+{
+	buffer_flush(wb);
+
+	wb->contenttype = CT_TEXT_PLAIN;
+	wb->options = 0;
+	wb->date = 0;
+
+	buffer_overflow_check(wb);
+}
+
+const char *buffer_tostring(BUFFER *wb)
+{
+	buffer_need_bytes(wb, (size_t)1);
+	wb->buffer[wb->len] = '\0';
+
+	buffer_overflow_check(wb);
+
+	return(wb->buffer);
+}
+
+void buffer_char_replace(BUFFER *wb, char from, char to)
+{
+	char *s = wb->buffer, *end = &wb->buffer[wb->len];
+
+	while(s != end) {
+		if(*s == from) *s = to;
+		s++;
+	}
+
+	buffer_overflow_check(wb);
+}
+
+
+void buffer_strcat(BUFFER *wb, const char *txt)
+{
+	if(unlikely(!txt || !*txt)) return;
+
+	buffer_need_bytes(wb, (size_t)(1));
+
+	char *s = &wb->buffer[wb->len], *end = &wb->buffer[wb->size];
+	long len = wb->len;
+
+	while(*txt && s != end) {
+		*s++ = *txt++;
+		len++;
+	}
+
+	wb->len = len;
+	buffer_overflow_check(wb);
+
+	if(*txt) {
+		debug(D_WEB_BUFFER, "strcat(): increasing web_buffer at position %ld, size = %ld\n", wb->len, wb->size);
+		len = strlen(txt);
+		buffer_increase(wb, len);
+		buffer_strcat(wb, txt);
+	}
+	else {
+		// terminate the string
+		// without increasing the length
+		buffer_need_bytes(wb, (size_t)1);
+		wb->buffer[wb->len] = '\0';
+	}
+}
+
+
+void buffer_snprintf(BUFFER *wb, size_t len, const char *fmt, ...)
+{
+	if(unlikely(!fmt || !*fmt)) return;
+
+	buffer_need_bytes(wb, len+1);
+
+	va_list args;
+	va_start(args, fmt);
+	wb->len += vsnprintf(&wb->buffer[wb->len], len+1, fmt, args);
+	va_end(args);
+
+	buffer_overflow_check(wb);
+
+	// the buffer is \0 terminated by vsnprintf
+}
+
+void buffer_vsprintf(BUFFER *wb, const char *fmt, va_list args)
+{
+	if(unlikely(!fmt || !*fmt)) return;
+
+	buffer_need_bytes(wb, 1);
+
+	size_t len = wb->size - wb->len;
+
+	wb->len += vsnprintf(&wb->buffer[wb->len], len, fmt, args);
+
+	buffer_overflow_check(wb);
+
+	// the buffer is \0 terminated by vsnprintf
+}
+
+void buffer_sprintf(BUFFER *wb, const char *fmt, ...)
+{
+	if(unlikely(!fmt || !*fmt)) return;
+
+	buffer_need_bytes(wb, 1);
+
+	size_t len = wb->size - wb->len, wrote;
+
+	va_list args;
+	va_start(args, fmt);
+	wrote = (size_t) vsnprintf(&wb->buffer[wb->len], len, fmt, args);
+	va_end(args);
+
+	if(unlikely(wrote >= len)) {
+		// there is bug in vsnprintf() and it returns
+		// a number higher to len, but it does not
+		// overflow the buffer.
+		// our buffer overflow detector will log it
+		// if it does.
+		buffer_overflow_check(wb);
+
+		debug(D_WEB_BUFFER, "web_buffer_sprintf(): increasing web_buffer at position %ld, size = %ld\n", wb->len, wb->size);
+		buffer_need_bytes(wb, len + WEB_DATA_LENGTH_INCREASE_STEP);
+
+		va_start(args, fmt);
+		buffer_vsprintf(wb, fmt, args);
+		va_end(args);
+	}
+	else
+		wb->len += wrote;
+
+	// the buffer is \0 terminated by vsnprintf
+}
+
+
+void buffer_rrd_value(BUFFER *wb, calculated_number value)
+{
+	buffer_need_bytes(wb, 50);
+	wb->len += print_calculated_number(&wb->buffer[wb->len], value);
+
+	// terminate it
+	buffer_need_bytes(wb, 1);
+	wb->buffer[wb->len] = '\0';
+
+	buffer_overflow_check(wb);
+}
+
+// generate a javascript date, the fastest possible way...
+void buffer_jsdate(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds)
+{
+	//         10        20        30      = 35
+	// 01234567890123456789012345678901234
+	// Date(2014,04,01,03,28,20)
+
+	buffer_need_bytes(wb, 30);
+
+	char *b = &wb->buffer[wb->len];
+
+	int i = 0;
+	b[i++]='D';
+	b[i++]='a';
+	b[i++]='t';
+	b[i++]='e';
+	b[i++]='(';
+	b[i++]= (char) (48 + year / 1000); year -= (year / 1000) * 1000;
+	b[i++]= (char) (48 + year / 100); year -= (year / 100) * 100;
+	b[i++]= (char) (48 + year / 10);
+	b[i++]= (char) (48 + year % 10);
+	b[i++]=',';
+	b[i]= (char) (48 + month / 10); if(b[i] != '0') i++;
+	b[i++]= (char) (48 + month % 10);
+	b[i++]=',';
+	b[i]= (char) (48 + day / 10); if(b[i] != '0') i++;
+	b[i++]= (char) (48 + day % 10);
+	b[i++]=',';
+	b[i]= (char) (48 + hours / 10); if(b[i] != '0') i++;
+	b[i++]= (char) (48 + hours % 10);
+	b[i++]=',';
+	b[i]= (char) (48 + minutes / 10); if(b[i] != '0') i++;
+	b[i++]= (char) (48 + minutes % 10);
+	b[i++]=',';
+	b[i]= (char) (48 + seconds / 10); if(b[i] != '0') i++;
+	b[i++]= (char) (48 + seconds % 10);
+	b[i++]=')';
+	b[i]='\0';
+
+	wb->len += i;
+
+	// terminate it
+	wb->buffer[wb->len] = '\0';
+	buffer_overflow_check(wb);
+}
+
+// generate a date, the fastest possible way...
+void buffer_date(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds)
+{
+	//         10        20        30      = 35
+	// 01234567890123456789012345678901234
+	// 2014-04-01 03:28:20
+
+	buffer_need_bytes(wb, 36);
+
+	char *b = &wb->buffer[wb->len];
+
+	int i = 0;
+	b[i++]= (char) (48 + year / 1000); year -= (year / 1000) * 1000;
+	b[i++]= (char) (48 + year / 100); year -= (year / 100) * 100;
+	b[i++]= (char) (48 + year / 10);
+	b[i++]= (char) (48 + year % 10);
+	b[i++]='-';
+	b[i++]= (char) (48 + month / 10);
+	b[i++]= (char) (48 + month % 10);
+	b[i++]='-';
+	b[i++]= (char) (48 + day / 10);
+	b[i++]= (char) (48 + day % 10);
+	b[i++]=' ';
+	b[i++]= (char) (48 + hours / 10);
+	b[i++]= (char) (48 + hours % 10);
+	b[i++]=':';
+	b[i++]= (char) (48 + minutes / 10);
+	b[i++]= (char) (48 + minutes % 10);
+	b[i++]=':';
+	b[i++]= (char) (48 + seconds / 10);
+	b[i++]= (char) (48 + seconds % 10);
+	b[i]='\0';
+
+	wb->len += i;
+
+	// terminate it
+	wb->buffer[wb->len] = '\0';
+	buffer_overflow_check(wb);
+}
+
+BUFFER *buffer_create(long size)
+{
+	BUFFER *b;
+
+	debug(D_WEB_BUFFER, "Creating new web buffer of size %d.", size);
+
+	b = calloc(1, sizeof(BUFFER));
+	if(!b) {
+		error("Cannot allocate a web_buffer.");
+		return NULL;
+	}
+
+	b->buffer = malloc(size + sizeof(BUFFER_OVERFLOW_EOF) + 2);
+	if(!b->buffer) {
+		error("Cannot allocate a buffer of size %u.", size + sizeof(BUFFER_OVERFLOW_EOF) + 2);
+		free(b);
+		return NULL;
+	}
+	b->buffer[0] = '\0';
+	b->size = size;
+	b->contenttype = CT_TEXT_PLAIN;
+	buffer_overflow_init(b);
+	buffer_overflow_check(b);
+
+	return(b);
+}
+
+void buffer_free(BUFFER *b)
+{
+	buffer_overflow_check(b);
+
+	debug(D_WEB_BUFFER, "Freeing web buffer of size %d.", b->size);
+
+	if(b->buffer) free(b->buffer);
+	free(b);
+}
+
+void buffer_increase(BUFFER *b, size_t free_size_required)
+{
+	buffer_overflow_check(b);
+
+	size_t left = b->size - b->len;
+
+	if(left >= free_size_required) return;
+
+	size_t increase = free_size_required - left;
+	if(increase < WEB_DATA_LENGTH_INCREASE_STEP) increase = WEB_DATA_LENGTH_INCREASE_STEP;
+
+	debug(D_WEB_BUFFER, "Increasing data buffer from size %d to %d.", b->size, b->size + increase);
+
+	b->buffer = realloc(b->buffer, b->size + increase + sizeof(BUFFER_OVERFLOW_EOF) + 2);
+	if(!b->buffer) fatal("Failed to increase data buffer from size %d to %d.", b->size + sizeof(BUFFER_OVERFLOW_EOF) + 2, b->size + increase + sizeof(BUFFER_OVERFLOW_EOF) + 2);
+
+	b->size += increase;
+
+	buffer_overflow_init(b);
+	buffer_overflow_check(b);
+}
diff --git a/src/web_buffer.h b/src/web_buffer.h
new file mode 100755
index 00000000..58dd9c09
--- /dev/null
+++ b/src/web_buffer.h
@@ -0,0 +1,70 @@
+#include <stdarg.h>
+#include <time.h>
+#include "storage_number.h"
+
+#ifndef NETDATA_WEB_BUFFER_H
+#define NETDATA_WEB_BUFFER_H 1
+
+#define WEB_DATA_LENGTH_INCREASE_STEP 16384
+
+typedef struct web_buffer {
+	size_t size;		// allocation size of buffer
+	size_t len;		// current data length in buffer
+	char *buffer;	// the buffer
+	uint8_t contenttype;
+	uint8_t options;
+	time_t date;	// the date this content has been generated
+} BUFFER;
+
+// options
+#define WB_CONTENT_CACHEABLE			1
+#define WB_CONTENT_NO_CACHEABLE			2
+
+// content-types
+#define CT_APPLICATION_JSON				1
+#define CT_TEXT_PLAIN					2
+#define CT_TEXT_HTML					3
+#define CT_APPLICATION_X_JAVASCRIPT		4
+#define CT_TEXT_CSS						5
+#define CT_TEXT_XML						6
+#define CT_APPLICATION_XML				7
+#define CT_TEXT_XSL						8
+#define CT_APPLICATION_OCTET_STREAM		9
+#define CT_APPLICATION_X_FONT_TRUETYPE	10
+#define CT_APPLICATION_X_FONT_OPENTYPE	11
+#define CT_APPLICATION_FONT_WOFF		12
+#define CT_APPLICATION_FONT_WOFF2		13
+#define CT_APPLICATION_VND_MS_FONTOBJ	14
+#define CT_IMAGE_SVG_XML				15
+#define CT_IMAGE_PNG					16
+#define CT_IMAGE_JPG					17
+#define CT_IMAGE_GIF					18
+#define CT_IMAGE_XICON					19
+#define CT_IMAGE_ICNS					20
+#define CT_IMAGE_BMP					21
+
+#define buffer_strlen(wb) ((wb)->len)
+extern const char *buffer_tostring(BUFFER *wb);
+
+#define buffer_need_bytes(buffer, needed_free_size) do { if(unlikely((buffer)->size - (buffer)->len < (size_t)(needed_free_size))) buffer_increase((buffer), (size_t)(needed_free_size)); } while(0)
+
+#define buffer_flush(wb) wb->buffer[wb->len = 0] = '\0'
+extern void buffer_reset(BUFFER *wb);
+
+extern void buffer_strcat(BUFFER *wb, const char *txt);
+extern void buffer_rrd_value(BUFFER *wb, calculated_number value);
+
+extern void buffer_date(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds);
+extern void buffer_jsdate(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds);
+
+extern BUFFER *buffer_create(long size);
+extern void buffer_free(BUFFER *b);
+extern void buffer_increase(BUFFER *b, size_t free_size_required);
+
+extern void buffer_snprintf(BUFFER *wb, size_t len, const char *fmt, ...);
+extern void buffer_vsprintf(BUFFER *wb, const char *fmt, va_list args);
+extern void buffer_sprintf(BUFFER *wb, const char *fmt, ...);
+
+extern void buffer_char_replace(BUFFER *wb, char from, char to);
+
+#endif /* NETDATA_WEB_BUFFER_H */
diff --git a/src/web_client.c b/src/web_client.c
new file mode 100755
index 00000000..12733355
--- /dev/null
+++ b/src/web_client.c
@@ -0,0 +1,1814 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <pthread.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <netinet/tcp.h>
+#include <malloc.h>
+#include <pwd.h>
+#include <ctype.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "url.h"
+#include "web_buffer.h"
+#include "web_server.h"
+#include "global_statistics.h"
+#include "rrd.h"
+#include "rrd2json.h"
+
+#include "web_client.h"
+
+#define INITIAL_WEB_DATA_LENGTH 16384
+#define WEB_REQUEST_LENGTH 16384
+
+int web_client_timeout = DEFAULT_DISCONNECT_IDLE_WEB_CLIENTS_AFTER_SECONDS;
+int web_enable_gzip = 1;
+
+extern int netdata_exit;
+
+struct web_client *web_clients = NULL;
+unsigned long long web_clients_count = 0;
+
+struct web_client *web_client_create(int listener)
+{
+	struct web_client *w;
+
+	w = calloc(1, sizeof(struct web_client));
+	if(!w) {
+		error("Cannot allocate new web_client memory.");
+		return NULL;
+	}
+
+	w->id = ++web_clients_count;
+	w->mode = WEB_CLIENT_MODE_NORMAL;
+
+	{
+		struct sockaddr *sadr;
+		socklen_t addrlen;
+
+		sadr = (struct sockaddr*) &w->clientaddr;
+		addrlen = sizeof(w->clientaddr);
+
+		w->ifd = accept(listener, sadr, &addrlen);
+		if (w->ifd == -1) {
+			error("%llu: Cannot accept new incoming connection.", w->id);
+			free(w);
+			return NULL;
+		}
+		w->ofd = w->ifd;
+
+		if(getnameinfo(sadr, addrlen, w->client_ip, NI_MAXHOST, w->client_port, NI_MAXSERV, NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
+			error("Cannot getnameinfo() on received client connection.");
+			strncpy(w->client_ip,   "UNKNOWN", NI_MAXHOST);
+			strncpy(w->client_port, "UNKNOWN", NI_MAXSERV);
+		}
+		w->client_ip[NI_MAXHOST]   = '\0';
+		w->client_port[NI_MAXSERV] = '\0';
+
+		switch(sadr->sa_family) {
+
+		case AF_INET:
+			debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv4 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
+			break;
+
+		case AF_INET6:
+			if(strncmp(w->client_ip, "::ffff:", 7) == 0) {
+				strcpy(w->client_ip, &w->client_ip[7]);
+				debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv4 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
+			}
+			debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv6 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
+			break;
+
+		default:
+			debug(D_WEB_CLIENT_ACCESS, "%llu: New UNKNOWN web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
+			break;
+		}
+
+		int flag = 1;
+		if(setsockopt(w->ifd, SOL_SOCKET, SO_KEEPALIVE, (char *) &flag, sizeof(int)) != 0) error("%llu: Cannot set SO_KEEPALIVE on socket.", w->id);
+	}
+
+	w->response.data = buffer_create(INITIAL_WEB_DATA_LENGTH);
+	if(unlikely(!w->response.data)) {
+		// no need for error log - web_buffer_create already logged the error
+		close(w->ifd);
+		free(w);
+		return NULL;
+	}
+
+	w->response.header = buffer_create(HTTP_RESPONSE_HEADER_SIZE);
+	if(unlikely(!w->response.header)) {
+		// no need for error log - web_buffer_create already logged the error
+		buffer_free(w->response.data);
+		close(w->ifd);
+		free(w);
+		return NULL;
+	}
+
+	w->response.header_output = buffer_create(HTTP_RESPONSE_HEADER_SIZE);
+	if(unlikely(!w->response.header_output)) {
+		// no need for error log - web_buffer_create already logged the error
+		buffer_free(w->response.header);
+		buffer_free(w->response.data);
+		close(w->ifd);
+		free(w);
+		return NULL;
+	}
+
+	w->wait_receive = 1;
+
+	if(web_clients) web_clients->prev = w;
+	w->next = web_clients;
+	web_clients = w;
+
+	global_statistics.connected_clients++;
+
+	return(w);
+}
+
+void web_client_reset(struct web_client *w)
+{
+	struct timeval tv;
+	gettimeofday(&tv, NULL);
+
+	long sent = (w->mode == WEB_CLIENT_MODE_FILECOPY)?w->response.rlen:w->response.data->len;
+
+#ifdef NETDATA_WITH_ZLIB
+	if(likely(w->response.zoutput)) sent = (long)w->response.zstream.total_out;
+#endif
+
+	long size = (w->mode == WEB_CLIENT_MODE_FILECOPY)?w->response.rlen:w->response.data->len;
+
+	if(likely(w->last_url[0]))
+		log_access("%llu: (sent/all = %ld/%ld bytes %0.0f%%, prep/sent/total = %0.2f/%0.2f/%0.2f ms) %s: %d '%s'",
+			w->id,
+			sent, size, -((size>0)?((float)(size-sent)/(float)size * 100.0):0.0),
+			(float)usecdiff(&w->tv_ready, &w->tv_in) / 1000.0,
+			(float)usecdiff(&tv, &w->tv_ready) / 1000.0,
+			(float)usecdiff(&tv, &w->tv_in) / 1000.0,
+			(w->mode == WEB_CLIENT_MODE_FILECOPY)?"filecopy":((w->mode == WEB_CLIENT_MODE_OPTIONS)?"options":"data"),
+			w->response.code,
+			w->last_url
+		);
+
+	debug(D_WEB_CLIENT, "%llu: Reseting client.", w->id);
+
+	if(unlikely(w->mode == WEB_CLIENT_MODE_FILECOPY)) {
+		debug(D_WEB_CLIENT, "%llu: Closing filecopy input file.", w->id);
+		close(w->ifd);
+		w->ifd = w->ofd;
+	}
+
+	w->last_url[0] = '\0';
+
+	w->mode = WEB_CLIENT_MODE_NORMAL;
+
+	buffer_reset(w->response.header_output);
+	buffer_reset(w->response.header);
+	buffer_reset(w->response.data);
+	w->response.rlen = 0;
+	w->response.sent = 0;
+	w->response.code = 0;
+
+	w->wait_receive = 1;
+	w->wait_send = 0;
+
+	w->response.zoutput = 0;
+
+	// if we had enabled compression, release it
+#ifdef NETDATA_WITH_ZLIB
+	if(w->response.zinitialized) {
+		debug(D_DEFLATE, "%llu: Reseting compression.", w->id);
+		deflateEnd(&w->response.zstream);
+		w->response.zsent = 0;
+		w->response.zhave = 0;
+		w->response.zstream.avail_in = 0;
+		w->response.zstream.avail_out = 0;
+		w->response.zstream.total_in = 0;
+		w->response.zstream.total_out = 0;
+		w->response.zinitialized = 0;
+	}
+#endif // NETDATA_WITH_ZLIB
+}
+
+struct web_client *web_client_free(struct web_client *w)
+{
+	struct web_client *n = w->next;
+
+	debug(D_WEB_CLIENT_ACCESS, "%llu: Closing web client from %s port %s.", w->id, w->client_ip, w->client_port);
+
+	if(w->prev)	w->prev->next = w->next;
+	if(w->next) w->next->prev = w->prev;
+
+	if(w == web_clients) web_clients = w->next;
+
+	if(w->response.header_output) buffer_free(w->response.header_output);
+	if(w->response.header) buffer_free(w->response.header);
+	if(w->response.data) buffer_free(w->response.data);
+	close(w->ifd);
+	if(w->ofd != w->ifd) close(w->ofd);
+	free(w);
+
+	global_statistics.connected_clients--;
+
+	return(n);
+}
+
+uid_t web_files_uid(void)
+{
+	static char *web_owner = NULL;
+	static uid_t owner_uid = 0;
+
+	if(unlikely(!web_owner)) {
+		web_owner = config_get("global", "web files owner", NETDATA_USER);
+		if(!web_owner || !*web_owner)
+			owner_uid = geteuid();
+		else {
+			struct passwd *pw = getpwnam(web_owner);
+			if(!pw) {
+				error("User %s is not present. Ignoring option.", web_owner);
+				owner_uid = geteuid();
+			}
+			else {
+				debug(D_WEB_CLIENT, "Web files owner set to %s.\n", web_owner);
+				owner_uid = pw->pw_uid;
+			}
+		}
+	}
+
+	return(owner_uid);
+}
+
+int mysendfile(struct web_client *w, char *filename)
+{
+	static char *web_dir = NULL;
+
+	// initialize our static data
+	if(unlikely(!web_dir)) web_dir = config_get("global", "web files directory", WEB_DIR);
+
+	debug(D_WEB_CLIENT, "%llu: Looking for file '%s/%s'", w->id, web_dir, filename);
+
+	// skip leading slashes
+	while (*filename == '/') filename++;
+
+	// if the filename contain known paths, skip them
+	if(strncmp(filename, WEB_PATH_FILE "/", strlen(WEB_PATH_FILE) + 1) == 0) filename = &filename[strlen(WEB_PATH_FILE) + 1];
+
+	char *s;
+	for(s = filename; *s ;s++) {
+		if( !isalnum(*s) && *s != '/' && *s != '.' && *s != '-' && *s != '_') {
+			debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not acceptable.", w->id, filename);
+			buffer_sprintf(w->response.data, "File '%s' cannot be served. Filename contains invalid character '%c'", *s);
+			return 400;
+		}
+	}
+
+	// if the filename contains a .. refuse to serve it
+	if(strstr(filename, "..") != 0) {
+		debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not acceptable.", w->id, filename);
+		buffer_sprintf(w->response.data, "File '%s' cannot be served. Relative filenames with '..' in them are not supported.", filename);
+		return 400;
+	}
+
+	// access the file
+	char webfilename[FILENAME_MAX + 1];
+	snprintf(webfilename, FILENAME_MAX, "%s/%s", web_dir, filename);
+
+	// check if the file exists
+	struct stat stat;
+	if(lstat(webfilename, &stat) != 0) {
+		debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not found.", w->id, webfilename);
+		buffer_sprintf(w->response.data, "File '%s' does not exist, or is not accessible.", filename);
+		return 404;
+	}
+
+	// check if the file is owned by us
+	if(stat.st_uid != web_files_uid()) {
+		error("%llu: File '%s' is owned by user %d (I run as user %d). Access Denied.", w->id, webfilename, stat.st_uid, getuid());
+		buffer_sprintf(w->response.data, "Access to file '%s' is not permitted.", filename);
+		return 403;
+	}
+
+	if((stat.st_mode & S_IFMT) == S_IFDIR) {
+		snprintf(webfilename, FILENAME_MAX+1, "%s/index.html", filename);
+		return mysendfile(w, webfilename);
+	}
+
+	if((stat.st_mode & S_IFMT) != S_IFREG) {
+		error("%llu: File '%s' is not a regular file. Access Denied.", w->id, webfilename);
+		buffer_sprintf(w->response.data, "Access to file '%s' is not permitted.", filename);
+		return 403;
+	}
+
+	// open the file
+	w->ifd = open(webfilename, O_NONBLOCK, O_RDONLY);
+	if(w->ifd == -1) {
+		w->ifd = w->ofd;
+
+		if(errno == EBUSY || errno == EAGAIN) {
+			error("%llu: File '%s' is busy, sending 307 Moved Temporarily to force retry.", w->id, webfilename);
+			buffer_sprintf(w->response.header, "Location: /" WEB_PATH_FILE "/%s\r\n", filename);
+			buffer_sprintf(w->response.data, "The file '%s' is currently busy. Please try again later.", filename);
+			return 307;
+		}
+		else {
+			error("%llu: Cannot open file '%s'.", w->id, webfilename);
+			buffer_sprintf(w->response.data, "Cannot open file '%s'.", filename);
+			return 404;
+		}
+	}
+
+	// pick a Content-Type for the file
+		 if(strstr(filename, ".html") != NULL)	w->response.data->contenttype = CT_TEXT_HTML;
+	else if(strstr(filename, ".js")   != NULL)	w->response.data->contenttype = CT_APPLICATION_X_JAVASCRIPT;
+	else if(strstr(filename, ".css")  != NULL)	w->response.data->contenttype = CT_TEXT_CSS;
+	else if(strstr(filename, ".xml")  != NULL)	w->response.data->contenttype = CT_TEXT_XML;
+	else if(strstr(filename, ".xsl")  != NULL)	w->response.data->contenttype = CT_TEXT_XSL;
+	else if(strstr(filename, ".txt")  != NULL)  w->response.data->contenttype = CT_TEXT_PLAIN;
+	else if(strstr(filename, ".svg")  != NULL)  w->response.data->contenttype = CT_IMAGE_SVG_XML;
+	else if(strstr(filename, ".ttf")  != NULL)  w->response.data->contenttype = CT_APPLICATION_X_FONT_TRUETYPE;
+	else if(strstr(filename, ".otf")  != NULL)  w->response.data->contenttype = CT_APPLICATION_X_FONT_OPENTYPE;
+	else if(strstr(filename, ".woff2")!= NULL)  w->response.data->contenttype = CT_APPLICATION_FONT_WOFF2;
+	else if(strstr(filename, ".woff") != NULL)  w->response.data->contenttype = CT_APPLICATION_FONT_WOFF;
+	else if(strstr(filename, ".eot")  != NULL)  w->response.data->contenttype = CT_APPLICATION_VND_MS_FONTOBJ;
+	else if(strstr(filename, ".png")  != NULL)  w->response.data->contenttype = CT_IMAGE_PNG;
+	else if(strstr(filename, ".jpg")  != NULL)  w->response.data->contenttype = CT_IMAGE_JPG;
+	else if(strstr(filename, ".jpeg") != NULL)  w->response.data->contenttype = CT_IMAGE_JPG;
+	else if(strstr(filename, ".gif")  != NULL)  w->response.data->contenttype = CT_IMAGE_GIF;
+	else if(strstr(filename, ".bmp")  != NULL)  w->response.data->contenttype = CT_IMAGE_BMP;
+	else if(strstr(filename, ".ico")  != NULL)  w->response.data->contenttype = CT_IMAGE_XICON;
+	else if(strstr(filename, ".icns") != NULL)  w->response.data->contenttype = CT_IMAGE_ICNS;
+	else w->response.data->contenttype = CT_APPLICATION_OCTET_STREAM;
+
+	debug(D_WEB_CLIENT_ACCESS, "%llu: Sending file '%s' (%ld bytes, ifd %d, ofd %d).", w->id, webfilename, stat.st_size, w->ifd, w->ofd);
+
+	w->mode = WEB_CLIENT_MODE_FILECOPY;
+	w->wait_receive = 1;
+	w->wait_send = 0;
+	buffer_flush(w->response.data);
+	w->response.rlen = stat.st_size;
+	w->response.data->date = stat.st_mtim.tv_sec;
+
+	return 200;
+}
+
+
+#ifdef NETDATA_WITH_ZLIB
+void web_client_enable_deflate(struct web_client *w) {
+	if(w->response.zinitialized == 1) {
+		error("%llu: Compression has already be initialized for this client.", w->id);
+		return;
+	}
+
+	if(w->response.sent) {
+		error("%llu: Cannot enable compression in the middle of a conversation.", w->id);
+		return;
+	}
+
+	w->response.zstream.zalloc = Z_NULL;
+	w->response.zstream.zfree = Z_NULL;
+	w->response.zstream.opaque = Z_NULL;
+
+	w->response.zstream.next_in = (Bytef *)w->response.data->buffer;
+	w->response.zstream.avail_in = 0;
+	w->response.zstream.total_in = 0;
+
+	w->response.zstream.next_out = w->response.zbuffer;
+	w->response.zstream.avail_out = 0;
+	w->response.zstream.total_out = 0;
+
+	w->response.zstream.zalloc = Z_NULL;
+	w->response.zstream.zfree = Z_NULL;
+	w->response.zstream.opaque = Z_NULL;
+
+//	if(deflateInit(&w->response.zstream, Z_DEFAULT_COMPRESSION) != Z_OK) {
+//		error("%llu: Failed to initialize zlib. Proceeding without compression.", w->id);
+//		return;
+//	}
+
+	// Select GZIP compression: windowbits = 15 + 16 = 31
+	if(deflateInit2(&w->response.zstream, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, Z_DEFAULT_STRATEGY) != Z_OK) {
+		error("%llu: Failed to initialize zlib. Proceeding without compression.", w->id);
+		return;
+	}
+
+	w->response.zsent = 0;
+	w->response.zoutput = 1;
+	w->response.zinitialized = 1;
+
+	debug(D_DEFLATE, "%llu: Initialized compression.", w->id);
+}
+#endif // NETDATA_WITH_ZLIB
+
+uint32_t web_client_api_request_v1_data_options(char *o)
+{
+	uint32_t ret = 0x00000000;
+	char *tok;
+
+	while(o && *o && (tok = mystrsep(&o, ", |"))) {
+		if(!*tok) continue;
+
+		if(!strcmp(tok, "nonzero"))
+			ret |= RRDR_OPTION_NONZERO;
+		else if(!strcmp(tok, "flip") || !strcmp(tok, "reversed") || !strcmp(tok, "reverse"))
+			ret |= RRDR_OPTION_REVERSED;
+		else if(!strcmp(tok, "jsonwrap"))
+			ret |= RRDR_OPTION_JSON_WRAP;
+		else if(!strcmp(tok, "min2max"))
+			ret |= RRDR_OPTION_MIN2MAX;
+		else if(!strcmp(tok, "ms") || !strcmp(tok, "milliseconds"))
+			ret |= RRDR_OPTION_MILLISECONDS;
+		else if(!strcmp(tok, "abs") || !strcmp(tok, "absolute") || !strcmp(tok, "absolute_sum") || !strcmp(tok, "absolute-sum"))
+			ret |= RRDR_OPTION_ABSOLUTE;
+		else if(!strcmp(tok, "seconds"))
+			ret |= RRDR_OPTION_SECONDS;
+		else if(!strcmp(tok, "null2zero"))
+			ret |= RRDR_OPTION_NULL2ZERO;
+		else if(!strcmp(tok, "objectrows"))
+			ret |= RRDR_OPTION_OBJECTSROWS;
+		else if(!strcmp(tok, "google_json"))
+			ret |= RRDR_OPTION_GOOGLE_JSON;
+		else if(!strcmp(tok, "percentage"))
+			ret |= RRDR_OPTION_PERCENTAGE;
+	}
+
+	return ret;
+}
+
+uint32_t web_client_api_request_v1_data_format(char *name)
+{
+	if(!strcmp(name, DATASOURCE_FORMAT_DATATABLE_JSON)) // datatable
+		return DATASOURCE_DATATABLE_JSON;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_DATATABLE_JSONP)) // datasource
+		return DATASOURCE_DATATABLE_JSONP;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_JSON)) // json
+		return DATASOURCE_JSON;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_JSONP)) // jsonp
+		return DATASOURCE_JSONP;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_SSV)) // ssv
+		return DATASOURCE_SSV;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_CSV)) // csv
+		return DATASOURCE_CSV;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_TSV) || !strcmp(name, "tsv-excel")) // tsv
+		return DATASOURCE_TSV;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_HTML)) // html
+		return DATASOURCE_HTML;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_JS_ARRAY)) // array
+		return DATASOURCE_JS_ARRAY;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_SSV_COMMA)) // ssvcomma
+		return DATASOURCE_SSV_COMMA;
+
+	else if(!strcmp(name, DATASOURCE_FORMAT_CSV_JSON_ARRAY)) // csvjsonarray
+		return DATASOURCE_CSV_JSON_ARRAY;
+
+	return DATASOURCE_JSON;
+}
+
+uint32_t web_client_api_request_v1_data_google_format(char *name)
+{
+	if(!strcmp(name, "json"))
+		return DATASOURCE_DATATABLE_JSONP;
+
+	else if(!strcmp(name, "html"))
+		return DATASOURCE_HTML;
+
+	else if(!strcmp(name, "csv"))
+		return DATASOURCE_CSV;
+
+	else if(!strcmp(name, "tsv-excel"))
+		return DATASOURCE_TSV;
+
+	return DATASOURCE_JSON;
+}
+
+int web_client_api_request_v1_data_group(char *name)
+{
+	if(!strcmp(name, "max"))
+		return GROUP_MAX;
+
+	else if(!strcmp(name, "average"))
+		return GROUP_AVERAGE;
+
+	return GROUP_MAX;
+}
+
+int web_client_api_request_v1_charts(struct web_client *w, char *url)
+{
+	if(url) { ; }
+
+	buffer_flush(w->response.data);
+	w->response.data->contenttype = CT_APPLICATION_JSON;
+	rrd_stats_api_v1_charts(w->response.data);
+	return 200;
+}
+
+int web_client_api_request_v1_chart(struct web_client *w, char *url)
+{
+	int ret = 400;
+	char *chart = NULL;
+
+	buffer_flush(w->response.data);
+
+	while(url) {
+		char *value = mystrsep(&url, "?&[]");
+		if(!value || !*value) continue;
+
+		char *name = mystrsep(&value, "=");
+		if(!name || !*name) continue;
+		if(!value || !*value) continue;
+
+		// name and value are now the parameters
+		// they are not null and not empty
+
+		if(!strcmp(name, "chart")) chart = value;
+		//else {
+		///	buffer_sprintf(w->response.data, "Unknown parameter '%s' in request.", name);
+		//	goto cleanup;
+		//}
+	}
+
+	if(!chart || !*chart) {
+		buffer_sprintf(w->response.data, "No chart id is given at the request.");
+		goto cleanup;
+	}
+
+	RRDSET *st = rrdset_find(chart);
+	if(!st) st = rrdset_find_byname(chart);
+	if(!st) {
+		buffer_sprintf(w->response.data, "Chart '%s' is not found.", chart);
+		ret = 404;
+		goto cleanup;
+	}
+
+	w->response.data->contenttype = CT_APPLICATION_JSON;
+	rrd_stats_api_v1_chart(st, w->response.data);
+	return 200;
+
+cleanup:
+	return ret;
+}
+
+// returns the HTTP code
+int web_client_api_request_v1_data(struct web_client *w, char *url)
+{
+	debug(D_WEB_CLIENT, "%llu: API v1 data with URL '%s'", w->id, url);
+
+	int ret = 400;
+	BUFFER *dimensions = NULL;
+
+	buffer_flush(w->response.data);
+
+	char 	*google_version = "0.6",
+			*google_reqId = "0",
+			*google_sig = "0",
+			*google_out = "json",
+			*responseHandler = NULL,
+			*outFileName = NULL;
+
+	time_t last_timestamp_in_data = 0, google_timestamp = 0;
+
+	char *chart = NULL
+			, *before_str = NULL
+			, *after_str = NULL
+			, *points_str = NULL;
+
+	int group = GROUP_MAX;
+	uint32_t format = DATASOURCE_JSON;
+	uint32_t options = 0x00000000;
+
+	while(url) {
+		char *value = mystrsep(&url, "?&[]");
+		if(!value || !*value) continue;
+
+		char *name = mystrsep(&value, "=");
+		if(!name || !*name) continue;
+		if(!value || !*value) continue;
+
+		debug(D_WEB_CLIENT, "%llu: API v1 query param '%s' with value '%s'", w->id, name, value);
+
+		// name and value are now the parameters
+		// they are not null and not empty
+
+		if(!strcmp(name, "chart")) chart = value;
+		else if(!strcmp(name, "dimension") || !strcmp(name, "dim") || !strcmp(name, "dimensions") || !strcmp(name, "dims")) {
+			if(!dimensions) dimensions = buffer_create(strlen(value));
+			if(dimensions) {
+				buffer_strcat(dimensions, "|");
+				buffer_strcat(dimensions, value);
+			}
+		}
+		else if(!strcmp(name, "after")) after_str = value;
+		else if(!strcmp(name, "before")) before_str = value;
+		else if(!strcmp(name, "points")) points_str = value;
+		else if(!strcmp(name, "group")) {
+			group = web_client_api_request_v1_data_group(value);
+		}
+		else if(!strcmp(name, "format")) {
+			format = web_client_api_request_v1_data_format(value);
+		}
+		else if(!strcmp(name, "options")) {
+			options |= web_client_api_request_v1_data_options(value);
+		}
+		else if(!strcmp(name, "callback")) {
+			responseHandler = value;
+		}
+		else if(!strcmp(name, "filename")) {
+			outFileName = value;
+		}
+		else if(!strcmp(name, "tqx")) {
+			// parse Google Visualization API options
+			// https://developers.google.com/chart/interactive/docs/dev/implementing_data_source
+			char *tqx_name, *tqx_value;
+
+			while(value) {
+				tqx_value = mystrsep(&value, ";");
+				if(!tqx_value || !*tqx_value) continue;
+
+				tqx_name = mystrsep(&tqx_value, ":");
+				if(!tqx_name || !*tqx_name) continue;
+				if(!tqx_value || !*tqx_value) continue;
+
+				if(!strcmp(tqx_name, "version"))
+					google_version = tqx_value;
+				else if(!strcmp(tqx_name, "reqId"))
+					google_reqId = tqx_value;
+				else if(!strcmp(tqx_name, "sig")) {
+					google_sig = tqx_value;
+					google_timestamp = strtoul(google_sig, NULL, 0);
+				}
+				else if(!strcmp(tqx_name, "out")) {
+					google_out = tqx_value;
+					format = web_client_api_request_v1_data_google_format(google_out);
+				}
+				else if(!strcmp(tqx_name, "responseHandler"))
+					responseHandler = tqx_value;
+				else if(!strcmp(tqx_name, "outFileName"))
+					outFileName = tqx_value;
+			}
+		}
+	}
+
+	if(!chart || !*chart) {
+		buffer_sprintf(w->response.data, "No chart id is given at the request.");
+		goto cleanup;
+	}
+
+	RRDSET *st = rrdset_find(chart);
+	if(!st) st = rrdset_find_byname(chart);
+	if(!st) {
+		buffer_sprintf(w->response.data, "Chart '%s' is not found.", chart);
+		ret = 404;
+		goto cleanup;
+	}
+
+	long long before = (before_str && *before_str)?atol(before_str):0;
+	long long after  = (after_str  && *after_str) ?atol(after_str):0;
+	int       points = (points_str && *points_str)?atoi(points_str):0;
+
+	debug(D_WEB_CLIENT, "%llu: API command 'data' for chart '%s', dimensions '%s', after '%lld', before '%lld', points '%d', group '%u', format '%u', options '0x%08x'"
+			, w->id
+			, chart
+			, (dimensions)?buffer_tostring(dimensions):""
+			, after
+			, before
+			, points
+			, group
+			, format
+			, options
+			);
+
+	if(outFileName && *outFileName) {
+		buffer_sprintf(w->response.header, "Content-Disposition: attachment; filename=\"%s\"\r\n", outFileName);
+		error("generating outfilename header: '%s'", outFileName);
+	}
+
+	if(format == DATASOURCE_DATATABLE_JSONP) {
+		if(responseHandler == NULL)
+			responseHandler = "google.visualization.Query.setResponse";
+
+		debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSON/JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
+				w->id, google_version, google_reqId, google_sig, google_out, responseHandler, outFileName
+			);
+
+		buffer_sprintf(w->response.data,
+			"%s({version:'%s',reqId:'%s',status:'ok',sig:'%lu',table:",
+			responseHandler, google_version, google_reqId, st->last_updated.tv_sec);
+	}
+	else if(format == DATASOURCE_JSONP) {
+		if(responseHandler == NULL)
+			responseHandler = "callback";
+
+		buffer_strcat(w->response.data, responseHandler);
+		buffer_strcat(w->response.data, "(");
+	}
+
+	ret = rrd2format(st, w->response.data, dimensions, format, points, after, before, group, options, &last_timestamp_in_data);
+
+	if(format == DATASOURCE_DATATABLE_JSONP) {
+		if(google_timestamp < last_timestamp_in_data)
+			buffer_strcat(w->response.data, "});");
+
+		else {
+			// the client already has the latest data
+			buffer_flush(w->response.data);
+			buffer_sprintf(w->response.data,
+				"%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
+				responseHandler, google_version, google_reqId);
+		}
+	}
+	else if(format == DATASOURCE_JSONP)
+		buffer_strcat(w->response.data, ");");
+
+cleanup:
+	if(dimensions) buffer_free(dimensions);
+	return ret;
+}
+
+int web_client_api_request_v1(struct web_client *w, char *url)
+{
+	// get the command
+	char *tok = mystrsep(&url, "/?&");
+	debug(D_WEB_CLIENT, "%llu: Searching for API v1 command '%s'.", w->id, tok);
+
+	if(strcmp(tok, "data") == 0)
+		return web_client_api_request_v1_data(w, url);
+	else if(strcmp(tok, "chart") == 0)
+		return web_client_api_request_v1_chart(w, url);
+	else if(strcmp(tok, "charts") == 0)
+		return web_client_api_request_v1_charts(w, url);
+
+	buffer_flush(w->response.data);
+	buffer_sprintf(w->response.data, "Unsupported v1 API command: %s", tok);
+	return 404;
+}
+
+int web_client_api_request(struct web_client *w, char *url)
+{
+	// get the api version
+	char *tok = mystrsep(&url, "/?&");
+	debug(D_WEB_CLIENT, "%llu: Searching for API version '%s'.", w->id, tok);
+
+	if(strcmp(tok, "v1") == 0)
+		return web_client_api_request_v1(w, url);
+
+	buffer_flush(w->response.data);
+	buffer_sprintf(w->response.data, "Unsupported API version: %s", tok);
+	return 404;
+}
+
+int web_client_data_request(struct web_client *w, char *url, int datasource_type)
+{
+	char *args = strchr(url, '?');
+	if(args) {
+		*args='\0';
+		args = &args[1];
+	}
+
+	// get the name of the data to show
+	char *tok = mystrsep(&url, "/");
+	debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
+
+	// do we have such a data set?
+	RRDSET *st = rrdset_find_byname(tok);
+	if(!st) st = rrdset_find(tok);
+	if(!st) {
+		// we don't have it
+		// try to send a file with that name
+		buffer_flush(w->response.data);
+		return(mysendfile(w, tok));
+	}
+
+	// we have it
+	debug(D_WEB_CLIENT, "%llu: Found RRD data with name '%s'.", w->id, tok);
+
+	// how many entries does the client want?
+	long lines = rrd_default_history_entries;
+	long group_count = 1;
+	time_t after = 0, before = 0;
+	int group_method = GROUP_AVERAGE;
+	int nonzero = 0;
+
+	if(url) {
+		// parse the lines required
+		tok = mystrsep(&url, "/");
+		if(tok) lines = atoi(tok);
+		if(lines < 1) lines = 1;
+	}
+	if(url) {
+		// parse the group count required
+		tok = mystrsep(&url, "/");
+		if(tok) group_count = atoi(tok);
+		if(group_count < 1) group_count = 1;
+		//if(group_count > save_history / 20) group_count = save_history / 20;
+	}
+	if(url) {
+		// parse the grouping method required
+		tok = mystrsep(&url, "/");
+		if(strcmp(tok, "max") == 0) group_method = GROUP_MAX;
+		else if(strcmp(tok, "average") == 0) group_method = GROUP_AVERAGE;
+		else if(strcmp(tok, "sum") == 0) group_method = GROUP_SUM;
+		else debug(D_WEB_CLIENT, "%llu: Unknown group method '%s'", w->id, tok);
+	}
+	if(url) {
+		// parse after time
+		tok = mystrsep(&url, "/");
+		if(tok) after = strtoul(tok, NULL, 10);
+		if(after < 0) after = 0;
+	}
+	if(url) {
+		// parse before time
+		tok = mystrsep(&url, "/");
+		if(tok) before = strtoul(tok, NULL, 10);
+		if(before < 0) before = 0;
+	}
+	if(url) {
+		// parse nonzero
+		tok = mystrsep(&url, "/");
+		if(tok && strcmp(tok, "nonzero") == 0) nonzero = 1;
+	}
+
+	w->response.data->contenttype = CT_APPLICATION_JSON;
+	buffer_flush(w->response.data);
+
+	char *google_version = "0.6";
+	char *google_reqId = "0";
+	char *google_sig = "0";
+	char *google_out = "json";
+	char *google_responseHandler = "google.visualization.Query.setResponse";
+	char *google_outFileName = NULL;
+	time_t last_timestamp_in_data = 0;
+	if(datasource_type == DATASOURCE_DATATABLE_JSON || datasource_type == DATASOURCE_DATATABLE_JSONP) {
+
+		w->response.data->contenttype = CT_APPLICATION_X_JAVASCRIPT;
+
+		while(args) {
+			tok = mystrsep(&args, "&");
+			if(tok) {
+				char *name = mystrsep(&tok, "=");
+				if(name && strcmp(name, "tqx") == 0) {
+					char *key = mystrsep(&tok, ":");
+					char *value = mystrsep(&tok, ";");
+					if(key && value && *key && *value) {
+						if(strcmp(key, "version") == 0)
+							google_version = value;
+
+						else if(strcmp(key, "reqId") == 0)
+							google_reqId = value;
+
+						else if(strcmp(key, "sig") == 0)
+							google_sig = value;
+
+						else if(strcmp(key, "out") == 0)
+							google_out = value;
+
+						else if(strcmp(key, "responseHandler") == 0)
+							google_responseHandler = value;
+
+						else if(strcmp(key, "outFileName") == 0)
+							google_outFileName = value;
+					}
+				}
+			}
+		}
+
+		debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
+			w->id, google_version, google_reqId, google_sig, google_out, google_responseHandler, google_outFileName
+			);
+
+		if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
+			last_timestamp_in_data = strtoul(google_sig, NULL, 0);
+
+			// check the client wants json
+			if(strcmp(google_out, "json") != 0) {
+				buffer_sprintf(w->response.data,
+					"%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'invalid_query',message:'output format is not supported',detailed_message:'the format %s requested is not supported by netdata.'}]});",
+					google_responseHandler, google_version, google_reqId, google_out);
+					return 200;
+			}
+		}
+	}
+
+	if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
+		buffer_sprintf(w->response.data,
+			"%s({version:'%s',reqId:'%s',status:'ok',sig:'%lu',table:",
+			google_responseHandler, google_version, google_reqId, st->last_updated.tv_sec);
+	}
+
+	debug(D_WEB_CLIENT_ACCESS, "%llu: Sending RRD data '%s' (id %s, %d lines, %d group, %d group_method, %lu after, %lu before).", w->id, st->name, st->id, lines, group_count, group_method, after, before);
+	time_t timestamp_in_data = rrd_stats_json(datasource_type, st, w->response.data, lines, group_count, group_method, after, before, nonzero);
+
+	if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
+		if(timestamp_in_data > last_timestamp_in_data)
+			buffer_strcat(w->response.data, "});");
+
+		else {
+			// the client already has the latest data
+			buffer_flush(w->response.data);
+			buffer_sprintf(w->response.data,
+				"%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
+				google_responseHandler, google_version, google_reqId);
+		}
+	}
+
+	return 200;
+}
+
+/*
+int web_client_parse_request(struct web_client *w) {
+	// protocol
+	// hostname
+	// path
+	// query string name-value
+	// http version
+	// method
+	// http request headers name-value
+
+	web_client_clean_request(w);
+
+	debug(D_WEB_DATA, "%llu: Processing data buffer of %d bytes: '%s'.", w->id, w->response.data->bytes, w->response.data->buffer);
+
+	char *buf = w->response.data->buffer;
+	char *line, *tok;
+
+	// ------------------------------------------------------------------------
+	// the first line
+
+	if(buf && (line = strsep(&buf, "\r\n"))) {
+		// method
+		if(line && (tok = strsep(&line, " "))) {
+			w->request.protocol = strdup(tok);
+		}
+		else goto cleanup;
+
+		// url
+	}
+	else goto cleanup;
+
+	// ------------------------------------------------------------------------
+	// the rest of the lines
+
+	while(buf && (line = strsep(&buf, "\r\n"))) {
+		while(line && (tok = strsep(&line, ": "))) {
+		}
+	}
+
+	char *url = NULL;
+
+
+cleanup:
+	web_client_clean_request(w);
+	return 0;
+}
+*/
+
+void web_client_process(struct web_client *w) {
+	int code = 500;
+	ssize_t bytes;
+	int enable_gzip = 0;
+
+	w->wait_receive = 0;
+
+	// check if we have an empty line (end of HTTP header)
+	if(strstr(w->response.data->buffer, "\r\n\r\n")) {
+		global_statistics_lock();
+		global_statistics.web_requests++;
+		global_statistics_unlock();
+
+		gettimeofday(&w->tv_in, NULL);
+		debug(D_WEB_DATA, "%llu: Processing data buffer of %d bytes: '%s'.", w->id, w->response.data->len, w->response.data->buffer);
+
+		// check if the client requested keep-alive HTTP
+		if(strcasestr(w->response.data->buffer, "Connection: keep-alive")) w->keepalive = 1;
+		else w->keepalive = 0;
+
+#ifdef NETDATA_WITH_ZLIB
+		// check if the client accepts deflate
+		if(web_enable_gzip && strstr(w->response.data->buffer, "gzip"))
+			enable_gzip = 1;
+#endif // NETDATA_WITH_ZLIB
+
+		int datasource_type = DATASOURCE_DATATABLE_JSONP;
+		//if(strstr(w->response.data->buffer, "X-DataSource-Auth"))
+		//	datasource_type = DATASOURCE_GOOGLE_JSON;
+
+		char *buf = (char *)buffer_tostring(w->response.data);
+		char *tok = strsep(&buf, " \r\n");
+		char *url = NULL;
+		char *pointer_to_free = NULL; // keep url_decode() allocated buffer
+
+		w->mode = WEB_CLIENT_MODE_NORMAL;
+
+		if(buf && strcmp(tok, "GET") == 0) {
+			tok = strsep(&buf, " \r\n");
+			pointer_to_free = url = url_decode(tok);
+			debug(D_WEB_CLIENT, "%llu: Processing HTTP GET on url '%s'.", w->id, url);
+		}
+		else if(buf && strcmp(tok, "OPTIONS") == 0) {
+			tok = strsep(&buf, " \r\n");
+			pointer_to_free = url = url_decode(tok);
+			debug(D_WEB_CLIENT, "%llu: Processing HTTP OPTIONS on url '%s'.", w->id, url);
+			w->mode = WEB_CLIENT_MODE_OPTIONS;
+		}
+		else if (buf && strcmp(tok, "POST") == 0) {
+			w->keepalive = 0;
+			tok = strsep(&buf, " \r\n");
+			pointer_to_free = url = url_decode(tok);
+			debug(D_WEB_CLIENT, "%llu: I don't know how to handle POST with form data. Assuming it is a GET on url '%s'.", w->id, url);
+		}
+
+		w->last_url[0] = '\0';
+
+		if(w->mode == WEB_CLIENT_MODE_OPTIONS) {
+			strncpy(w->last_url, url, URL_MAX);
+			w->last_url[URL_MAX] = '\0';
+
+			code = 200;
+			w->response.data->contenttype = CT_TEXT_PLAIN;
+			buffer_flush(w->response.data);
+			buffer_strcat(w->response.data, "OK");
+		}
+		else if(url) {
+#ifdef NETDATA_WITH_ZLIB
+			if(enable_gzip)
+				web_client_enable_deflate(w);
+#endif
+
+			strncpy(w->last_url, url, URL_MAX);
+			w->last_url[URL_MAX] = '\0';
+
+			tok = mystrsep(&url, "/?");
+
+			debug(D_WEB_CLIENT, "%llu: Processing command '%s'.", w->id, tok);
+
+			if(strcmp(tok, "api") == 0) {
+				// the client is requesting api access
+				datasource_type = DATASOURCE_JSON;
+				code = web_client_api_request(w, url);
+			}
+#ifdef NETDATA_INTERNAL_CHECKS
+			else if(strcmp(tok, "exit") == 0) {
+				netdata_exit = 1;
+				code = 200;
+				w->response.data->contenttype = CT_TEXT_PLAIN;
+				buffer_flush(w->response.data);
+				buffer_strcat(w->response.data, "will do");
+			}
+#endif
+			else if(strcmp(tok, WEB_PATH_DATA) == 0) { // "data"
+				// the client is requesting rrd data
+				datasource_type = DATASOURCE_JSON;
+				code = web_client_data_request(w, url, datasource_type);
+			}
+			else if(strcmp(tok, WEB_PATH_DATASOURCE) == 0) { // "datasource"
+				// the client is requesting google datasource
+				code = web_client_data_request(w, url, datasource_type);
+			}
+			else if(strcmp(tok, WEB_PATH_GRAPH) == 0) { // "graph"
+				// the client is requesting an rrd graph
+
+				// get the name of the data to show
+				tok = mystrsep(&url, "/?&");
+				debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
+
+				// do we have such a data set?
+				RRDSET *st = rrdset_find_byname(tok);
+				if(!st) st = rrdset_find(tok);
+				if(!st) {
+					// we don't have it
+					// try to send a file with that name
+					buffer_flush(w->response.data);
+					code = mysendfile(w, tok);
+				}
+				else {
+					code = 200;
+					debug(D_WEB_CLIENT_ACCESS, "%llu: Sending %s.json of RRD_STATS...", w->id, st->name);
+					w->response.data->contenttype = CT_APPLICATION_JSON;
+					buffer_flush(w->response.data);
+					rrd_stats_graph_json(st, url, w->response.data);
+				}
+			}
+#ifdef NETDATA_INTERNAL_CHECKS
+			else if(strcmp(tok, "debug") == 0) {
+				buffer_flush(w->response.data);
+
+				// get the name of the data to show
+				tok = mystrsep(&url, "/?&");
+				debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
+
+				// do we have such a data set?
+				RRDSET *st = rrdset_find_byname(tok);
+				if(!st) st = rrdset_find(tok);
+				if(!st) {
+					code = 404;
+					buffer_sprintf(w->response.data, "Chart %s is not found.\r\n", tok);
+					debug(D_WEB_CLIENT_ACCESS, "%llu: %s is not found.", w->id, tok);
+				}
+				else {
+					code = 200;
+					debug_flags |= D_RRD_STATS;
+					st->debug = st->debug?0:1;
+					buffer_sprintf(w->response.data, "Chart %s has now debug %s.\r\n", tok, st->debug?"enabled":"disabled");
+					debug(D_WEB_CLIENT_ACCESS, "%llu: debug for %s is %s.", w->id, tok, st->debug?"enabled":"disabled");
+				}
+			}
+			else if(strcmp(tok, "mirror") == 0) {
+				code = 200;
+
+				debug(D_WEB_CLIENT_ACCESS, "%llu: Mirroring...", w->id);
+
+				// replace the zero bytes with spaces
+				buffer_char_replace(w->response.data, '\0', ' ');
+
+				// just leave the buffer as is
+				// it will be copied back to the client
+			}
+#endif
+			else if(strcmp(tok, "list") == 0) {
+				code = 200;
+
+				debug(D_WEB_CLIENT_ACCESS, "%llu: Sending list of RRD_STATS...", w->id);
+
+				buffer_flush(w->response.data);
+				RRDSET *st = rrdset_root;
+
+				for ( ; st ; st = st->next )
+					buffer_sprintf(w->response.data, "%s\n", st->name);
+			}
+			else if(strcmp(tok, "all.json") == 0) {
+				code = 200;
+				debug(D_WEB_CLIENT_ACCESS, "%llu: Sending JSON list of all monitors of RRD_STATS...", w->id);
+
+				w->response.data->contenttype = CT_APPLICATION_JSON;
+				buffer_flush(w->response.data);
+				rrd_stats_all_json(w->response.data);
+			}
+			else if(strcmp(tok, "netdata.conf") == 0) {
+				code = 200;
+				debug(D_WEB_CLIENT_ACCESS, "%llu: Sending netdata.conf ...", w->id);
+
+				w->response.data->contenttype = CT_TEXT_PLAIN;
+				buffer_flush(w->response.data);
+				generate_config(w->response.data, 0);
+			}
+			else {
+				char filename[FILENAME_MAX+1];
+				url = filename;
+				strncpy(filename, w->last_url, FILENAME_MAX);
+				filename[FILENAME_MAX] = '\0';
+				tok = mystrsep(&url, "?");
+				buffer_flush(w->response.data);
+				code = mysendfile(w, (tok && *tok)?tok:"/");
+			}
+		}
+		else {
+			strcpy(w->last_url, "not a valid response");
+
+			if(buf) debug(D_WEB_CLIENT_ACCESS, "%llu: Cannot understand '%s'.", w->id, buf);
+
+			code = 500;
+			buffer_flush(w->response.data);
+			buffer_strcat(w->response.data, "I don't understand you...\r\n");
+		}
+
+		// free url_decode() buffer
+		if(pointer_to_free) free(pointer_to_free);
+	}
+	else if(w->response.data->len > 8192) {
+		strcpy(w->last_url, "too big request");
+
+		debug(D_WEB_CLIENT_ACCESS, "%llu: Received request is too big.", w->id);
+
+		code = 400;
+		buffer_flush(w->response.data);
+		buffer_strcat(w->response.data, "Received request is too big.\r\n");
+	}
+	else {
+		// wait for more data
+		w->wait_receive = 1;
+		return;
+	}
+
+	gettimeofday(&w->tv_ready, NULL);
+	w->response.data->date = time(NULL);
+	w->response.sent = 0;
+	w->response.code = code;
+
+	// prepare the HTTP response header
+	debug(D_WEB_CLIENT, "%llu: Generating HTTP header with response %d.", w->id, code);
+
+	char *content_type_string;
+	switch(w->response.data->contenttype) {
+		case CT_TEXT_HTML:
+			content_type_string = "text/html; charset=utf-8";
+			break;
+
+		case CT_APPLICATION_XML:
+			content_type_string = "application/xml; charset=utf-8";
+			break;
+
+		case CT_APPLICATION_JSON:
+			content_type_string = "application/json; charset=utf-8";
+			break;
+
+		case CT_APPLICATION_X_JAVASCRIPT:
+			content_type_string = "application/x-javascript; charset=utf-8";
+			break;
+
+		case CT_TEXT_CSS:
+			content_type_string = "text/css; charset=utf-8";
+			break;
+
+		case CT_TEXT_XML:
+			content_type_string = "text/xml; charset=utf-8";
+			break;
+
+		case CT_TEXT_XSL:
+			content_type_string = "text/xsl; charset=utf-8";
+			break;
+
+		case CT_APPLICATION_OCTET_STREAM:
+			content_type_string = "application/octet-stream";
+			break;
+
+		case CT_IMAGE_SVG_XML:
+			content_type_string = "image/svg+xml";
+			break;
+
+		case CT_APPLICATION_X_FONT_TRUETYPE:
+			content_type_string = "application/x-font-truetype";
+			break;
+
+		case CT_APPLICATION_X_FONT_OPENTYPE:
+			content_type_string = "application/x-font-opentype";
+			break;
+
+		case CT_APPLICATION_FONT_WOFF:
+			content_type_string = "application/font-woff";
+			break;
+
+		case CT_APPLICATION_FONT_WOFF2:
+			content_type_string = "application/font-woff2";
+			break;
+
+		case CT_APPLICATION_VND_MS_FONTOBJ:
+			content_type_string = "application/vnd.ms-fontobject";
+			break;
+
+		case CT_IMAGE_PNG:
+			content_type_string = "image/png";
+			break;
+
+		case CT_IMAGE_JPG:
+			content_type_string = "image/jpeg";
+			break;
+
+		case CT_IMAGE_GIF:
+			content_type_string = "image/gif";
+			break;
+
+		case CT_IMAGE_XICON:
+			content_type_string = "image/x-icon";
+			break;
+
+		case CT_IMAGE_BMP:
+			content_type_string = "image/bmp";
+			break;
+
+		case CT_IMAGE_ICNS:
+			content_type_string = "image/icns";
+			break;
+
+		default:
+		case CT_TEXT_PLAIN:
+			content_type_string = "text/plain; charset=utf-8";
+			break;
+	}
+
+	char *code_msg;
+	switch(code) {
+		case 200:
+			code_msg = "OK";
+			break;
+
+		case 307:
+			code_msg = "Temporary Redirect";
+			break;
+
+		case 400:
+			code_msg = "Bad Request";
+			break;
+
+		case 403:
+			code_msg = "Forbidden";
+			break;
+
+		case 404:
+			code_msg = "Not Found";
+			break;
+
+		default:
+			code_msg = "Internal Server Error";
+			break;
+	}
+
+	char date[100];
+	struct tm tmbuf, *tm = gmtime_r(&w->response.data->date, &tmbuf);
+	strftime(date, sizeof(date), "%a, %d %b %Y %H:%M:%S %Z", tm);
+
+	buffer_sprintf(w->response.header_output,
+		"HTTP/1.1 %d %s\r\n"
+		"Connection: %s\r\n"
+		"Server: NetData Embedded HTTP Server\r\n"
+		"Content-Type: %s\r\n"
+		"Access-Control-Allow-Origin: *\r\n"
+		"Access-Control-Allow-Methods: GET, OPTIONS\r\n"
+		"Access-Control-Allow-Headers: accept, x-requested-with\r\n"
+		"Access-Control-Max-Age: 86400\r\n"
+		"Date: %s\r\n"
+		, code, code_msg
+		, w->keepalive?"keep-alive":"close"
+		, content_type_string
+		, date
+		);
+
+	if(buffer_strlen(w->response.header))
+		buffer_strcat(w->response.header_output, buffer_tostring(w->response.header));
+
+	if(w->mode == WEB_CLIENT_MODE_NORMAL && (w->response.data->options & WB_CONTENT_NO_CACHEABLE)) {
+		buffer_sprintf(w->response.header_output,
+			"Expires: %s\r\n"
+			"Cache-Control: no-cache\r\n"
+			, date);
+	}
+	else {
+		char edate[100];
+		time_t et = w->response.data->date + (86400 * 14);
+		struct tm etmbuf, *etm = gmtime_r(&et, &etmbuf);
+		strftime(edate, sizeof(edate), "%a, %d %b %Y %H:%M:%S %Z", etm);
+
+		buffer_sprintf(w->response.header_output,
+			"Expires: %s\r\n"
+			"Cache-Control: public\r\n"
+			, edate);
+	}
+
+	// if we know the content length, put it
+	if(!w->response.zoutput && (w->response.data->len || w->response.rlen))
+		buffer_sprintf(w->response.header_output,
+			"Content-Length: %ld\r\n"
+			, w->response.data->len? w->response.data->len: w->response.rlen
+			);
+	else if(!w->response.zoutput)
+		w->keepalive = 0;	// content-length is required for keep-alive
+
+	if(w->response.zoutput) {
+		buffer_strcat(w->response.header_output,
+			"Content-Encoding: gzip\r\n"
+			"Transfer-Encoding: chunked\r\n"
+			);
+	}
+
+	buffer_strcat(w->response.header_output, "\r\n");
+
+	// disable TCP_NODELAY, to buffer the header
+	int flag = 0;
+	if(setsockopt(w->ofd, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int)) != 0)
+		error("%llu: failed to disable TCP_NODELAY on socket.", w->id);
+
+	// sent the HTTP header
+	debug(D_WEB_DATA, "%llu: Sending response HTTP header of size %d: '%s'"
+			, w->id
+			, buffer_strlen(w->response.header_output)
+			, buffer_tostring(w->response.header_output)
+			);
+
+	bytes = send(w->ofd, buffer_tostring(w->response.header_output), buffer_strlen(w->response.header_output), 0);
+	if(bytes != (ssize_t) buffer_strlen(w->response.header_output))
+		error("%llu: HTTP Header failed to be sent (I sent %d bytes but the system sent %d bytes)."
+				, w->id
+				, buffer_strlen(w->response.header_output)
+				, bytes);
+	else {
+		global_statistics_lock();
+		global_statistics.bytes_sent += bytes;
+		global_statistics_unlock();
+	}
+
+	// enable TCP_NODELAY, to send all data immediately at the next send()
+	flag = 1;
+	if(setsockopt(w->ofd, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int)) != 0) error("%llu: failed to enable TCP_NODELAY on socket.", w->id);
+
+	// enable sending immediately if we have data
+	if(w->response.data->len) w->wait_send = 1;
+	else w->wait_send = 0;
+
+	// pretty logging
+	switch(w->mode) {
+		case WEB_CLIENT_MODE_OPTIONS:
+			debug(D_WEB_CLIENT, "%llu: Done preparing the OPTIONS response. Sending data (%d bytes) to client.", w->id, w->response.data->len);
+			break;
+
+		case WEB_CLIENT_MODE_NORMAL:
+			debug(D_WEB_CLIENT, "%llu: Done preparing the response. Sending data (%d bytes) to client.", w->id, w->response.data->len);
+			break;
+
+		case WEB_CLIENT_MODE_FILECOPY:
+			if(w->response.rlen) {
+				debug(D_WEB_CLIENT, "%llu: Done preparing the response. Will be sending data file of %d bytes to client.", w->id, w->response.rlen);
+				w->wait_receive = 1;
+
+				/*
+				// utilize the kernel sendfile() for copying the file to the socket.
+				// this block of code can be commented, without anything missing.
+				// when it is commented, the program will copy the data using async I/O.
+				{
+					long len = sendfile(w->ofd, w->ifd, NULL, w->response.data->rbytes);
+					if(len != w->response.data->rbytes) error("%llu: sendfile() should copy %ld bytes, but copied %ld. Falling back to manual copy.", w->id, w->response.data->rbytes, len);
+					else web_client_reset(w);
+				}
+				*/
+			}
+			else
+				debug(D_WEB_CLIENT, "%llu: Done preparing the response. Will be sending an unknown amount of bytes to client.", w->id);
+			break;
+
+		default:
+			fatal("%llu: Unknown client mode %d.", w->id, w->mode);
+			break;
+	}
+}
+
+long web_client_send_chunk_header(struct web_client *w, long len)
+{
+	debug(D_DEFLATE, "%llu: OPEN CHUNK of %d bytes (hex: %x).", w->id, len, len);
+	char buf[1024];
+	sprintf(buf, "%lX\r\n", len);
+	ssize_t bytes = send(w->ofd, buf, strlen(buf), MSG_DONTWAIT);
+
+	if(bytes > 0) debug(D_DEFLATE, "%llu: Sent chunk header %d bytes.", w->id, bytes);
+	else if(bytes == 0) debug(D_DEFLATE, "%llu: Did not send chunk header to the client.", w->id);
+	else debug(D_DEFLATE, "%llu: Failed to send chunk header to client.", w->id);
+
+	return bytes;
+}
+
+long web_client_send_chunk_close(struct web_client *w)
+{
+	//debug(D_DEFLATE, "%llu: CLOSE CHUNK.", w->id);
+
+	ssize_t bytes = send(w->ofd, "\r\n", 2, MSG_DONTWAIT);
+
+	if(bytes > 0) debug(D_DEFLATE, "%llu: Sent chunk suffix %d bytes.", w->id, bytes);
+	else if(bytes == 0) debug(D_DEFLATE, "%llu: Did not send chunk suffix to the client.", w->id);
+	else debug(D_DEFLATE, "%llu: Failed to send chunk suffix to client.", w->id);
+
+	return bytes;
+}
+
+long web_client_send_chunk_finalize(struct web_client *w)
+{
+	//debug(D_DEFLATE, "%llu: FINALIZE CHUNK.", w->id);
+
+	ssize_t bytes = send(w->ofd, "\r\n0\r\n\r\n", 7, MSG_DONTWAIT);
+
+	if(bytes > 0) debug(D_DEFLATE, "%llu: Sent chunk suffix %d bytes.", w->id, bytes);
+	else if(bytes == 0) debug(D_DEFLATE, "%llu: Did not send chunk suffix to the client.", w->id);
+	else debug(D_DEFLATE, "%llu: Failed to send chunk suffix to client.", w->id);
+
+	return bytes;
+}
+
+#ifdef NETDATA_WITH_ZLIB
+long web_client_send_deflate(struct web_client *w)
+{
+	long len = 0, t = 0;
+
+	// when using compression,
+	// w->response.sent is the amount of bytes passed through compression
+
+	debug(D_DEFLATE, "%llu: web_client_send_deflate(): w->response.data->len = %d, w->response.sent = %d, w->response.zhave = %d, w->response.zsent = %d, w->response.zstream.avail_in = %d, w->response.zstream.avail_out = %d, w->response.zstream.total_in = %d, w->response.zstream.total_out = %d.", w->id, w->response.data->len, w->response.sent, w->response.zhave, w->response.zsent, w->response.zstream.avail_in, w->response.zstream.avail_out, w->response.zstream.total_in, w->response.zstream.total_out);
+
+	if(w->response.data->len - w->response.sent == 0 && w->response.zstream.avail_in == 0 && w->response.zhave == w->response.zsent && w->response.zstream.avail_out != 0) {
+		// there is nothing to send
+
+		debug(D_WEB_CLIENT, "%llu: Out of output data.", w->id);
+
+		// finalize the chunk
+		if(w->response.sent != 0)
+			t += web_client_send_chunk_finalize(w);
+
+		// there can be two cases for this
+		// A. we have done everything
+		// B. we temporarily have nothing to send, waiting for the buffer to be filled by ifd
+
+		if(w->mode == WEB_CLIENT_MODE_FILECOPY && w->wait_receive && w->ifd != w->ofd && w->response.rlen && w->response.rlen > w->response.data->len) {
+			// we have to wait, more data will come
+			debug(D_WEB_CLIENT, "%llu: Waiting for more data to become available.", w->id);
+			w->wait_send = 0;
+			return(0);
+		}
+
+		if(w->keepalive == 0) {
+			debug(D_WEB_CLIENT, "%llu: Closing (keep-alive is not enabled). %ld bytes sent.", w->id, w->response.sent);
+			errno = 0;
+			return(-1);
+		}
+
+		// reset the client
+		web_client_reset(w);
+		debug(D_WEB_CLIENT, "%llu: Done sending all data on socket. Waiting for next request on the same socket.", w->id);
+		return(0);
+	}
+
+	if(w->response.zhave == w->response.zsent) {
+		// compress more input data
+
+		// close the previous open chunk
+		if(w->response.sent != 0) t += web_client_send_chunk_close(w);
+
+		debug(D_DEFLATE, "%llu: Compressing %d new bytes starting from %d (and %d left behind).", w->id, (w->response.data->len - w->response.sent), w->response.sent, w->response.zstream.avail_in);
+
+		// give the compressor all the data not passed through the compressor yet
+		if(w->response.data->len > w->response.sent) {
+#ifdef NETDATA_INTERNAL_CHECKS
+			if((long)w->response.sent - (long)w->response.zstream.avail_in < 0)
+				error("internal error: avail_in is corrupted.");
+#endif
+			w->response.zstream.next_in = (Bytef *)&w->response.data->buffer[w->response.sent - w->response.zstream.avail_in];
+			w->response.zstream.avail_in += (uInt) (w->response.data->len - w->response.sent);
+		}
+
+		// reset the compressor output buffer
+		w->response.zstream.next_out = w->response.zbuffer;
+		w->response.zstream.avail_out = ZLIB_CHUNK;
+
+		// ask for FINISH if we have all the input
+		int flush = Z_SYNC_FLUSH;
+		if(w->mode == WEB_CLIENT_MODE_NORMAL
+			|| (w->mode == WEB_CLIENT_MODE_FILECOPY && !w->wait_receive && w->response.data->len == w->response.rlen)) {
+			flush = Z_FINISH;
+			debug(D_DEFLATE, "%llu: Requesting Z_FINISH, if possible.", w->id);
+		}
+		else {
+			debug(D_DEFLATE, "%llu: Requesting Z_SYNC_FLUSH.", w->id);
+		}
+
+		// compress
+		if(deflate(&w->response.zstream, flush) == Z_STREAM_ERROR) {
+			error("%llu: Compression failed. Closing down client.", w->id);
+			web_client_reset(w);
+			return(-1);
+		}
+
+		w->response.zhave = ZLIB_CHUNK - w->response.zstream.avail_out;
+		w->response.zsent = 0;
+
+		// keep track of the bytes passed through the compressor
+		w->response.sent = w->response.data->len;
+
+		debug(D_DEFLATE, "%llu: Compression produced %d bytes.", w->id, w->response.zhave);
+
+		// open a new chunk
+		t += web_client_send_chunk_header(w, w->response.zhave);
+	}
+	
+	debug(D_WEB_CLIENT, "%llu: Sending %d bytes of data (+%d of chunk header).", w->id, w->response.zhave - w->response.zsent, t);
+
+	len = send(w->ofd, &w->response.zbuffer[w->response.zsent], (size_t) (w->response.zhave - w->response.zsent), MSG_DONTWAIT);
+	if(len > 0) {
+		w->response.zsent += len;
+		if(t > 0) len += t;
+		debug(D_WEB_CLIENT, "%llu: Sent %d bytes.", w->id, len);
+	}
+	else if(len == 0) debug(D_WEB_CLIENT, "%llu: Did not send any bytes to the client (zhave = %ld, zsent = %ld, need to send = %ld).", w->id, w->response.zhave, w->response.zsent, w->response.zhave - w->response.zsent);
+	else debug(D_WEB_CLIENT, "%llu: Failed to send data to client. Reason: %s", w->id, strerror(errno));
+
+	return(len);
+}
+#endif // NETDATA_WITH_ZLIB
+
+long web_client_send(struct web_client *w)
+{
+#ifdef NETDATA_WITH_ZLIB
+	if(likely(w->response.zoutput)) return web_client_send_deflate(w);
+#endif // NETDATA_WITH_ZLIB
+
+	long bytes;
+
+	if(unlikely(w->response.data->len - w->response.sent == 0)) {
+		// there is nothing to send
+
+		debug(D_WEB_CLIENT, "%llu: Out of output data.", w->id);
+
+		// there can be two cases for this
+		// A. we have done everything
+		// B. we temporarily have nothing to send, waiting for the buffer to be filled by ifd
+
+		if(w->mode == WEB_CLIENT_MODE_FILECOPY && w->wait_receive && w->ifd != w->ofd && w->response.rlen && w->response.rlen > w->response.data->len) {
+			// we have to wait, more data will come
+			debug(D_WEB_CLIENT, "%llu: Waiting for more data to become available.", w->id);
+			w->wait_send = 0;
+			return(0);
+		}
+
+		if(unlikely(w->keepalive == 0)) {
+			debug(D_WEB_CLIENT, "%llu: Closing (keep-alive is not enabled). %ld bytes sent.", w->id, w->response.sent);
+			errno = 0;
+			return(-1);
+		}
+
+		web_client_reset(w);
+		debug(D_WEB_CLIENT, "%llu: Done sending all data on socket. Waiting for next request on the same socket.", w->id);
+		return(0);
+	}
+
+	bytes = send(w->ofd, &w->response.data->buffer[w->response.sent], w->response.data->len - w->response.sent, MSG_DONTWAIT);
+	if(likely(bytes > 0)) {
+		w->response.sent += bytes;
+		debug(D_WEB_CLIENT, "%llu: Sent %d bytes.", w->id, bytes);
+	}
+	else if(likely(bytes == 0)) debug(D_WEB_CLIENT, "%llu: Did not send any bytes to the client.", w->id);
+	else debug(D_WEB_CLIENT, "%llu: Failed to send data to client.", w->id);
+
+	return(bytes);
+}
+
+long web_client_receive(struct web_client *w)
+{
+	// do we have any space for more data?
+	buffer_need_bytes(w->response.data, WEB_REQUEST_LENGTH);
+
+	long left = w->response.data->size - w->response.data->len;
+	long bytes;
+
+	if(unlikely(w->mode == WEB_CLIENT_MODE_FILECOPY))
+		bytes = read(w->ifd, &w->response.data->buffer[w->response.data->len], (size_t) (left - 1));
+	else
+		bytes = recv(w->ifd, &w->response.data->buffer[w->response.data->len], (size_t) (left - 1), MSG_DONTWAIT);
+
+	if(likely(bytes > 0)) {
+		size_t old = w->response.data->len;
+		w->response.data->len += bytes;
+		w->response.data->buffer[w->response.data->len] = '\0';
+
+		debug(D_WEB_CLIENT, "%llu: Received %d bytes.", w->id, bytes);
+		debug(D_WEB_DATA, "%llu: Received data: '%s'.", w->id, &w->response.data->buffer[old]);
+
+		if(w->mode == WEB_CLIENT_MODE_FILECOPY) {
+			w->wait_send = 1;
+			if(w->response.rlen && w->response.data->len >= w->response.rlen) w->wait_receive = 0;
+		}
+	}
+	else if(likely(bytes == 0)) {
+		debug(D_WEB_CLIENT, "%llu: Out of input data.", w->id);
+
+		// if we cannot read, it means we have an error on input.
+		// if however, we are copying a file from ifd to ofd, we should not return an error.
+		// in this case, the error should be generated when the file has been sent to the client.
+
+		if(w->mode == WEB_CLIENT_MODE_FILECOPY) {
+			// we are copying data from ifd to ofd
+			// let it finish copying...
+			w->wait_receive = 0;
+			debug(D_WEB_CLIENT, "%llu: Disabling input.", w->id);
+		}
+		else {
+			bytes = -1;
+			errno = 0;
+		}
+	}
+
+	return(bytes);
+}
+
+
+// --------------------------------------------------------------------------------------
+// the thread of a single client
+
+// 1. waits for input and output, using async I/O
+// 2. it processes HTTP requests
+// 3. it generates HTTP responses
+// 4. it copies data from input to output if mode is FILECOPY
+
+void *web_client_main(void *ptr)
+{
+	if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+		error("Cannot set pthread cancel type to DEFERRED.");
+
+	if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+		error("Cannot set pthread cancel state to ENABLE.");
+
+	struct timeval tv;
+	struct web_client *w = ptr;
+	int retval;
+	fd_set ifds, ofds, efds;
+	int fdmax = 0;
+
+	log_access("%llu: %s port %s connected on thread task id %d", w->id, w->client_ip, w->client_port, gettid());
+
+	for(;;) {
+		FD_ZERO (&ifds);
+		FD_ZERO (&ofds);
+		FD_ZERO (&efds);
+
+		FD_SET(w->ifd, &efds);
+
+		if(w->ifd != w->ofd)
+			FD_SET(w->ofd, &efds);
+
+		if (w->wait_receive) {
+			FD_SET(w->ifd, &ifds);
+			if(w->ifd > fdmax) fdmax = w->ifd;
+		}
+
+		if (w->wait_send) {
+			FD_SET(w->ofd, &ofds);
+			if(w->ofd > fdmax) fdmax = w->ofd;
+		}
+
+		tv.tv_sec = web_client_timeout;
+		tv.tv_usec = 0;
+
+		debug(D_WEB_CLIENT, "%llu: Waiting socket async I/O for %s %s", w->id, w->wait_receive?"INPUT":"", w->wait_send?"OUTPUT":"");
+		retval = select(fdmax+1, &ifds, &ofds, &efds, &tv);
+
+		if(retval == -1) {
+			debug(D_WEB_CLIENT_ACCESS, "%llu: LISTENER: select() failed.", w->id);
+			continue;
+		}
+		else if(!retval) {
+			// timeout
+			debug(D_WEB_CLIENT_ACCESS, "%llu: LISTENER: timeout.", w->id);
+			break;
+		}
+
+		if(FD_ISSET(w->ifd, &efds)) {
+			debug(D_WEB_CLIENT_ACCESS, "%llu: Received error on input socket.", w->id);
+			break;
+		}
+
+		if(FD_ISSET(w->ofd, &efds)) {
+			debug(D_WEB_CLIENT_ACCESS, "%llu: Received error on output socket.", w->id);
+			break;
+		}
+
+		if(w->wait_send && FD_ISSET(w->ofd, &ofds)) {
+			long bytes;
+			if((bytes = web_client_send(w)) < 0) {
+				debug(D_WEB_CLIENT, "%llu: Cannot send data to client. Closing client.", w->id);
+				errno = 0;
+				break;
+			}
+
+			global_statistics_lock();
+			global_statistics.bytes_sent += bytes;
+			global_statistics_unlock();
+		}
+
+		if(w->wait_receive && FD_ISSET(w->ifd, &ifds)) {
+			long bytes;
+			if((bytes = web_client_receive(w)) < 0) {
+				debug(D_WEB_CLIENT, "%llu: Cannot receive data from client. Closing client.", w->id);
+				errno = 0;
+				break;
+			}
+
+			if(w->mode == WEB_CLIENT_MODE_NORMAL) {
+				debug(D_WEB_CLIENT, "%llu: Attempting to process received data (%ld bytes).", w->id, bytes);
+				// info("%llu: Attempting to process received data (%ld bytes).", w->id, bytes);
+				web_client_process(w);
+			}
+
+			global_statistics_lock();
+			global_statistics.bytes_received += bytes;
+			global_statistics_unlock();
+		}
+	}
+
+	log_access("%llu: %s port %s disconnected from thread task id %d", w->id, w->client_ip, w->client_port, gettid());
+	debug(D_WEB_CLIENT, "%llu: done...", w->id);
+
+	web_client_reset(w);
+	w->obsolete = 1;
+
+	return NULL;
+}
diff --git a/src/web_client.h b/src/web_client.h
new file mode 100755
index 00000000..14cd91bc
--- /dev/null
+++ b/src/web_client.h
@@ -0,0 +1,90 @@
+
+#ifdef NETDATA_WITH_ZLIB
+#include <zlib.h>
+#endif
+
+#include <sys/time.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#include "web_buffer.h"
+
+#define DEFAULT_DISCONNECT_IDLE_WEB_CLIENTS_AFTER_SECONDS 60
+extern int web_client_timeout;
+extern int web_enable_gzip;
+
+#ifndef NETDATA_WEB_CLIENT_H
+#define NETDATA_WEB_CLIENT_H 1
+
+#define WEB_CLIENT_MODE_NORMAL		0
+#define WEB_CLIENT_MODE_FILECOPY	1
+#define WEB_CLIENT_MODE_OPTIONS		2
+
+#define URL_MAX 8192
+#define ZLIB_CHUNK 	16384
+#define HTTP_RESPONSE_HEADER_SIZE 4096
+
+struct response {
+	BUFFER *header;					// our response header
+	BUFFER *header_output;			// internal use
+	BUFFER *data;					// our response data buffer
+
+	int code;						// the HTTP response code
+
+	size_t rlen;					// if non-zero, the excepted size of ifd (input)
+	size_t sent;					// current data length sent to output
+
+	int zoutput;					// if set to 1, web_client_send() will send compressed data
+#ifdef NETDATA_WITH_ZLIB
+	z_stream zstream;				// zlib stream for sending compressed output to client
+	Bytef zbuffer[ZLIB_CHUNK];		// temporary buffer for storing compressed output
+	long zsent;						// the compressed bytes we have sent to the client
+	long zhave;						// the compressed bytes that we have to send
+	int zinitialized;
+#endif
+
+};
+
+struct web_client {
+	unsigned long long id;
+
+	char client_ip[NI_MAXHOST+1];
+	char client_port[NI_MAXSERV+1];
+
+	char last_url[URL_MAX+1];
+
+	struct timeval tv_in, tv_ready;
+
+	int mode;
+	int keepalive;
+
+	struct sockaddr_storage clientaddr;
+
+	pthread_t thread;				// the thread servicing this client
+	int obsolete;					// if set to 1, the listener will remove this client
+
+	int ifd;
+	int ofd;
+
+	struct response response;
+
+	int wait_receive;
+	int wait_send;
+
+	struct web_client *prev;
+	struct web_client *next;
+};
+
+extern struct web_client *web_clients;
+
+extern uid_t web_files_uid(void);
+
+extern struct web_client *web_client_create(int listener);
+extern struct web_client *web_client_free(struct web_client *w);
+
+extern void *web_client_main(void *ptr);
+
+#endif
diff --git a/src/web_server.c b/src/web_server.c
new file mode 100755
index 00000000..cae94aca
--- /dev/null
+++ b/src/web_server.c
@@ -0,0 +1,225 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <pthread.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <netinet/tcp.h>
+#include <malloc.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "url.h"
+#include "web_buffer.h"
+#include "web_client.h"
+#include "web_server.h"
+#include "global_statistics.h"
+#include "rrd.h"
+#include "rrd2json.h"
+
+int listen_backlog = LISTEN_BACKLOG;
+
+int listen_fd = -1;
+int listen_port = LISTEN_PORT;
+
+static void log_allocations(void)
+{
+	static int mem = 0;
+
+	struct mallinfo mi;
+
+	mi = mallinfo();
+	if(mi.uordblks > mem) {
+		int clients = 0;
+		struct web_client *w;
+		for(w = web_clients; w ; w = w->next) clients++;
+
+		info("Allocated memory increased from %d to %d (increased by %d bytes). There are %d web clients connected.", mem, mi.uordblks, mi.uordblks - mem, clients);
+		mem = mi.uordblks;
+	}
+}
+
+int create_listen_socket4(int port, int listen_backlog)
+{
+		int sock;
+		int sockopt = 1;
+		struct sockaddr_in name;
+
+		debug(D_LISTENER, "IPv4 creating new listening socket on port %d", port);
+
+		sock = socket(AF_INET, SOCK_STREAM, 0);
+		if(sock < 0) {
+			error("IPv4 socket() failed.");
+			return -1;
+		}
+
+		/* avoid "address already in use" */
+		setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&sockopt, sizeof(sockopt));
+
+		memset(&name, 0, sizeof(struct sockaddr_in));
+		name.sin_family = AF_INET;
+		name.sin_port = htons (port);
+		name.sin_addr.s_addr = htonl (INADDR_ANY);
+
+		if(bind (sock, (struct sockaddr *) &name, sizeof (name)) < 0) {
+			close(sock);
+			error("IPv4 bind() failed.");
+			return -1;
+		}
+
+		if(listen(sock, listen_backlog) < 0) {
+			close(sock);
+			fatal("IPv4 listen() failed.");
+			return -1;
+		}
+
+		debug(D_LISTENER, "IPv4 listening port %d created", port);
+		return sock;
+}
+
+int create_listen_socket6(int port, int listen_backlog)
+{
+		int sock = -1;
+		int sockopt = 1;
+		struct sockaddr_in6 name;
+
+		debug(D_LISTENER, "IPv6 creating new listening socket on port %d", port);
+
+		sock = socket(AF_INET6, SOCK_STREAM, 0);
+		if (sock < 0) {
+			error("IPv6 socket() failed.");
+			return -1;
+		}
+
+		/* avoid "address already in use" */
+		setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&sockopt, sizeof(sockopt));
+
+		memset(&name, 0, sizeof(struct sockaddr_in6));
+		name.sin6_family = AF_INET6;
+		name.sin6_port = htons ((uint16_t) port);
+		name.sin6_addr = in6addr_any;
+		name.sin6_scope_id = 0;
+
+		if (bind (sock, (struct sockaddr *) &name, sizeof (name)) < 0) {
+			close(sock);
+			error("IPv6 bind() failed.");
+			return -1;
+		}
+
+		if (listen(sock, listen_backlog) < 0) {
+			close(sock);
+			fatal("IPv6 listen() failed.");
+			return -1;
+		}
+
+		debug(D_LISTENER, "IPv6 listening port %d created", port);
+		return sock;
+}
+
+
+// --------------------------------------------------------------------------------------
+// the main socket listener
+
+// 1. it accepts new incoming requests on our port
+// 2. creates a new web_client for each connection received
+// 3. spawns a new pthread to serve the client (this is optimal for keep-alive clients)
+// 4. cleans up old web_clients that their pthreads have been exited
+
+void *socket_listen_main(void *ptr)
+{
+	if(ptr) { ; }
+
+	info("WEB SERVER thread created with task id %d", gettid());
+
+	struct web_client *w;
+	struct timeval tv;
+	int retval;
+
+	if(ptr) { ; }
+
+	if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+		error("Cannot set pthread cancel type to DEFERRED.");
+
+	if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+		error("Cannot set pthread cancel state to ENABLE.");
+
+	web_client_timeout = (int) config_get_number("global", "disconnect idle web clients after seconds", DEFAULT_DISCONNECT_IDLE_WEB_CLIENTS_AFTER_SECONDS);
+	web_enable_gzip = config_get_boolean("global", "enable web responses gzip compression", web_enable_gzip);
+
+	if(listen_fd < 0) fatal("LISTENER: Listen socket is not ready.");
+
+	fd_set ifds, ofds, efds;
+	int fdmax = listen_fd;
+
+	FD_ZERO (&ifds);
+	FD_ZERO (&ofds);
+	FD_ZERO (&efds);
+
+	for(;;) {
+		tv.tv_sec = 0;
+		tv.tv_usec = 200000;
+
+		if(listen_fd >= 0) {
+			FD_SET(listen_fd, &ifds);
+			FD_SET(listen_fd, &efds);
+		}
+
+		// debug(D_WEB_CLIENT, "LISTENER: Waiting...");
+		retval = select(fdmax+1, &ifds, &ofds, &efds, &tv);
+
+		if(retval == -1) {
+			error("LISTENER: select() failed.");
+			continue;
+		}
+		else if(retval) {
+			// check for new incoming connections
+			if(FD_ISSET(listen_fd, &ifds)) {
+				w = web_client_create(listen_fd);
+				if(unlikely(!w)) {
+					// no need for error log - web_client_create already logged the error
+					continue;
+				}
+
+				if(pthread_create(&w->thread, NULL, web_client_main, w) != 0) {
+					error("%llu: failed to create new thread for web client.");
+					w->obsolete = 1;
+				}
+				else if(pthread_detach(w->thread) != 0) {
+					error("%llu: Cannot request detach of newly created web client thread.", w->id);
+					w->obsolete = 1;
+				}
+			}
+			else debug(D_WEB_CLIENT, "LISTENER: select() didn't do anything.");
+
+		}
+		//else {
+		//	debug(D_WEB_CLIENT, "LISTENER: select() timeout.");
+		//}
+
+		// cleanup unused clients
+		for(w = web_clients; w ; w = w?w->next:NULL) {
+			if(w->obsolete) {
+				debug(D_WEB_CLIENT, "%llu: Removing client.", w->id);
+				// pthread_join(w->thread,  NULL);
+				w = web_client_free(w);
+				log_allocations();
+			}
+		}
+	}
+
+	error("LISTENER: exit!");
+
+	if(listen_fd >= 0) close(listen_fd);
+	exit(2);
+
+	return NULL;
+}
+
diff --git a/src/web_server.h b/src/web_server.h
new file mode 100755
index 00000000..0d1e2da9
--- /dev/null
+++ b/src/web_server.h
@@ -0,0 +1,20 @@
+#ifndef NETDATA_WEB_SERVER_H
+#define NETDATA_WEB_SERVER_H 1
+
+#define WEB_PATH_FILE				"file"
+#define WEB_PATH_DATA				"data"
+#define WEB_PATH_DATASOURCE			"datasource"
+#define WEB_PATH_GRAPH				"graph"
+
+#define LISTEN_PORT 19999
+#define LISTEN_BACKLOG 100
+
+extern int listen_backlog;
+extern int listen_fd;
+extern int listen_port;
+
+extern int create_listen_socket4(int port, int listen_backlog);
+extern int create_listen_socket6(int port, int listen_backlog);
+extern void *socket_listen_main(void *ptr);
+
+#endif /* NETDATA_WEB_SERVER_H */
diff --git a/system/netdata-openrc b/system/netdata-openrc
new file mode 100755
index 00000000..202db64c
--- /dev/null
+++ b/system/netdata-openrc
@@ -0,0 +1,125 @@
+#!/sbin/runscript
+
+# The path netdata has been installed.
+# Leave it empty if netdata is installed in /
+NETDATA_INSTALL_PATH=${NETDATA_INSTALL_PATH-}
+
+# The user netdata is configured to run as.
+# If you edit its configuration file to set a different
+# user, set it here too, to have its files switch ownership
+NETDATA_OWNER=${NETDATA_OWNER-netdata:netdata}
+
+# The URL to download netdata config.
+NETDATA_CONFIG_URL=${NETDATA_CONFIG_URL-http://localhost:19999/netdata.conf}
+
+# The timeout in seconds to wait for netdata
+# to save its database on disk and exit.
+NETDATA_WAIT_EXIT_TIMEOUT=${NETDATA_WAIT_EXIT_TIMEOUT-15}
+
+# When set to 1, if netdata does not exit in
+# NETDATA_WAIT_EXIT_TIMEOUT, we will force it
+# to exit.
+NETDATA_FORCE_EXIT=${NETDATA_FORCE_EXIT-0}
+
+# Netdata will use these services, only if they
+# are enabled to start.
+NETDATA_START_AFTER_SERVICES="${NETDATA_START_AFTER_SERVICES-apache2 squid nginx mysql named opensips upsd hostapd postfix lm_sensors}"
+
+extra_started_commands="getconf"
+pidfile="/var/run/netdata/netdata.pid"
+command="${NETDATA_INSTALL_PATH}/usr/sbin/netdata"
+command_background="yes"
+
+depend() {
+	use logger
+	need net
+
+	local x
+	for x in ${NETDATA_START_AFTER_SERVICES}
+	do
+		if [ -f /etc/runlevels/default/${x} ]
+			then
+			use ${x}
+		fi
+	done
+}
+
+start() {
+	local ret
+
+	if [ ! -d ${NETDATA_INSTALL_PATH}/var/cache/netdata ]
+		then
+		ebegin "Creating ${NETDATA_INSTALL_PATH}/var/cache/netdata"
+		mkdir -p ${NETDATA_INSTALL_PATH}/var/cache/netdata
+		chown ${NETDATA_OWNER} ${NETDATA_INSTALL_PATH}/var/cache/netdata
+		echo "${NETDATA_OWNER}" >${NETDATA_INSTALL_PATH}/var/cache/netdata/.last_owner
+		eend $?
+	fi
+
+	if [ "$(cat ${NETDATA_INSTALL_PATH}/var/cache/netdata/.last_owner 2>/dev/null)" != "${NETDATA_OWNER}" ]
+		then
+		ebegin "Switching ownership of ${NETDATA_INSTALL_PATH}/var/cache/netdata"
+		chown -R ${NETDATA_OWNER} ${NETDATA_INSTALL_PATH}/var/cache/netdata
+		echo "${NETDATA_OWNER}" >${NETDATA_INSTALL_PATH}/var/cache/netdata/.last_owner
+		eend 0
+	fi
+
+	ebegin "Starting netdata"
+	start-stop-daemon --start --quiet --pidfile ${pidfile} --exec ${command} -- ${NETDATA_EXTRA_ARGS}
+	ret=$?
+	eend $ret
+
+	if [ $ret -eq 0 -a ! -f ${NETDATA_INSTALL_PATH}/etc/netdata/netdata.conf ]
+		then
+		ebegin "Downloading default configuration to ${NETDATA_INSTALL_PATH}/etc/netdata/netdata.conf"
+		sleep 2
+		curl -s -o ${NETDATA_INSTALL_PATH}/etc/netdata/netdata.conf.new "${NETDATA_CONFIG_URL}"
+		ret=$?
+		if [ $ret -eq 0 -a -s ${NETDATA_INSTALL_PATH}/etc/netdata/netdata.conf.new ]
+			then
+			mv ${NETDATA_INSTALL_PATH}/etc/netdata/netdata.conf.new ${NETDATA_INSTALL_PATH}/etc/netdata/netdata.conf
+		else
+			ret=1
+			rm ${NETDATA_INSTALL_PATH}/etc/netdata/netdata.conf.new 2>/dev/null
+		fi
+		eend $ret
+	fi
+}
+
+stop() {
+	local result ret=0 count=0 sigkill=0
+
+	ebegin "Stopping netdata"
+	start-stop-daemon --stop --quiet --pidfile ${pidfile}
+	result=$?
+	eend $result
+
+	ebegin "Waiting for netdata to save its database"
+	while [ -f "${pidfile}" ]
+	do
+		if [ $count -gt ${NETDATA_WAIT_EXIT_TIMEOUT} ]
+			then
+			sigkill=1
+			break
+		fi
+
+		count=$[count + 1]
+		kill -0 $(cat ${pidfile}) 2>/dev/null
+		ret=$?
+		test $ret -eq 0 && sleep 1
+	done
+	eend $sigkill
+
+	if [ $sigkill -eq 1 -a -f "${pidfile}" ]
+		then
+		ebegin "Netdata is taking too long to exit, forcing it to quit"
+		kill -SIGKILL $(cat ${pidfile}) 2>/dev/null
+		eend $?
+	fi
+}
+
+getconf() {
+	ebegin "Downloading configuration from netdata to /tmp/netdata.conf"
+	curl -o /tmp/netdata.conf "${NETDATA_CONFIG_URL}"
+	eend $?
+}
diff --git a/system/netdata-systemd b/system/netdata-systemd
new file mode 100644
index 00000000..7033cef6
--- /dev/null
+++ b/system/netdata-systemd
@@ -0,0 +1,16 @@
+[Unit]
+Description=netdata
+After=network.target httpd.service squid.service nfs-server.service mysqld.service named.service postfix.service
+
+[Service]
+Type=forking
+WorkingDirectory=/tmp
+User=root
+Group=root
+PIDFile=/var/run/netdata/netdata.pid
+ExecStart=/usr/sbin/netdata
+ExecStop=/bin/kill -SIGTERM $MAINPID
+TimeoutStopSec=30
+
+[Install]
+WantedBy=multi-user.target
diff --git a/tests/stress.sh b/tests/stress.sh
new file mode 100755
index 00000000..572dc7d1
--- /dev/null
+++ b/tests/stress.sh
@@ -0,0 +1,74 @@
+#!/bin/bash
+
+# set the host to connect to
+if [ ! -z "$1" ]
+	then
+	host="$1"
+else
+	host="http://127.0.0.1:19999"
+fi
+echo "using netdata server at: $host"
+
+charts=($(curl "$host/netdata.conf" 2>/dev/null | grep "^\[" | cut -d '[' -f 2 | cut -d ']' -f 1 | grep -v ^global$ | grep -v "^plugin" | sort -u))
+if [ "${#charts[@]}" -eq 0 ]
+	then
+	echo "Cannot download charts from server: $host"
+	exit 1
+fi
+
+update_every="$(curl "$host/netdata.conf" 2>/dev/null | grep "update every = " | head -n 1 | cut -d '=' -f 2)"
+[ $[ update_every + 1 - 1] -eq 0 ] && update_every=1
+
+entries="$(curl "$host/netdata.conf" 2>/dev/null | grep "history = " | head -n 1 | cut -d '=' -f 2)"
+[ $[ entries + 1 - 1] -eq 0 ] && entries=3600
+
+# to compare equal things, set the entries to 3600 max
+[ $entries -gt 3600 ] && entries=3600
+
+if [ $entries -ne 3600 ]
+	then
+	echo >&2 "You are running a test for a history of $entries entries."
+fi
+
+modes=("average" "max")
+formats=("jsonp" "json" "ssv" "csv" "datatable" "datasource" "tsv" "ssvcomma" "html" "array")
+options="flip|jsonwrap"
+
+now=$(date +%s)
+first=$[now - (entries * update_every)]
+duration=$[now - first]
+
+file="$(mktemp /tmp/netdata-stress-XXXXXXXX)"
+cleanup() {
+	echo "cleanup"
+	[ -f $file ] && rm $file
+}
+trap cleanup EXIT
+
+while [ 1 = 1 ]
+do
+	echo "curl --compressed --keepalive-time 120 --header \"Connection: keep-alive\" \\" >$file
+	for x in {1..100}
+	do
+		dt=$[RANDOM * duration / 32767]
+		st=$[RANDOM * duration / 32767]
+		et=$[ st + dt ]
+		[ $et -gt $now ] && st=$[ now - dt ]
+
+		points=$[RANDOM * 2000 / 32767 + 2]
+		st=$[first + st]
+		et=$[first + et]
+
+		mode=$[RANDOM * ${#modes[@]} / 32767]
+		mode="${modes[$mode]}"
+
+		chart=$[RANDOM * ${#charts[@]} / 32767]
+		chart="${charts[$chart]}"
+
+		format=$[RANDOM * ${#formats[@]} / 32767]
+		format="${formats[$format]}"
+
+		echo "--url \"$host/api/v1/data?chart=$chart&mode=$mode&format=$format&options=$options&after=$st&before=$et&points=$points\" \\"
+	done >>$file
+	bash $file >/dev/null
+done
diff --git a/web/Makefile.am b/web/Makefile.am
new file mode 100644
index 00000000..f762ce37
--- /dev/null
+++ b/web/Makefile.am
@@ -0,0 +1,91 @@
+#
+# Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
+#
+MAINTAINERCLEANFILES= $(srcdir)/Makefile.in
+
+dist_web_DATA = \
+        robots.txt \
+        index.html \
+	demo.html \
+	demo2.html \
+        dashboard.html \
+        dashboard.js \
+        dashboard.css \
+        dashboard.slate.css \
+	favicon.ico \
+	netdata-swagger.yaml \
+	netdata-swagger.json \
+        $(NULL)
+
+webolddir=$(webdir)/old
+dist_webold_DATA = \
+        old/datasource.html \
+        old/index.html \
+        old/index.js \
+        old/netdata.js \
+        old/theme.css \
+        $(NULL)
+
+weblibdir=$(webdir)/lib
+dist_weblib_DATA = \
+        lib/dygraph-combined.js \
+        lib/dygraph-smooth-plotter.js \
+        lib/jquery-1.12.0.min.js \
+        lib/jquery.peity.min.js \
+        lib/jquery.sparkline.min.js \
+        lib/morris.min.js \
+        lib/raphael-min.js \
+	lib/jquery.easypiechart.min.js \
+	lib/jquery.nanoscroller.min.js \
+        lib/bootstrap.min.js \
+	lib/ElementQueries.js \
+	lib/ResizeSensor.js \
+        lib/bootstrap-toggle.min.js \
+        lib/c3.min.js \
+        lib/d3.min.js \
+        lib/gauge.min.js \
+        $(NULL)
+
+webcssdir=$(webdir)/css
+dist_webcss_DATA = \
+        css/morris.css \
+        css/bootstrap.min.css \
+        css/bootstrap-theme.min.css \
+        css/bootstrap.slate.min.css \
+	css/font-awesome.min.css \
+        css/bootstrap-toggle.min.css \
+        css/c3.min.css \
+        $(NULL)
+
+webfontsdir=$(webdir)/fonts
+dist_webfonts_DATA = \
+        fonts/glyphicons-halflings-regular.eot \
+        fonts/glyphicons-halflings-regular.svg \
+        fonts/glyphicons-halflings-regular.ttf \
+        fonts/glyphicons-halflings-regular.woff \
+        fonts/glyphicons-halflings-regular.woff2 \
+	fonts/FontAwesome.otf \
+	fonts/fontawesome-webfont.eot \
+	fonts/fontawesome-webfont.svg \
+	fonts/fontawesome-webfont.ttf \
+	fonts/fontawesome-webfont.woff \
+	fonts/fontawesome-webfont.woff2 \
+        $(NULL)
+
+webimagesdir=$(webdir)/images
+dist_webimages_DATA = \
+	images/seo-performance-16.png \
+	images/seo-performance-24.png \
+	images/seo-performance-32.png \
+	images/seo-performance-48.png \
+	images/seo-performance-64.png \
+	images/seo-performance-72.png \
+	images/seo-performance-114.png \
+	images/seo-performance-128.png \
+	images/seo-performance-256.png \
+	images/seo-performance-512.png \
+	images/seo-performance-multi-size.ico \
+	images/seo-performance-multi-size.icns \
+        $(NULL)
+
+
diff --git a/web/css/bootstrap-theme.min.css b/web/css/bootstrap-theme.min.css
new file mode 100755
index 00000000..dc95d8e4
--- /dev/null
+++ b/web/css/bootstrap-theme.min.css
@@ -0,0 +1,6 @@
+/*!
+ * Bootstrap v3.3.6 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */.btn-danger,.btn-default,.btn-info,.btn-primary,.btn-success,.btn-warning{text-shadow:0 -1px 0 rgba(0,0,0,.2);-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 1px 1px rgba(0,0,0,.075);box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 1px 1px rgba(0,0,0,.075)}.btn-danger.active,.btn-danger:active,.btn-default.active,.btn-default:active,.btn-info.active,.btn-info:active,.btn-primary.active,.btn-primary:active,.btn-success.active,.btn-success:active,.btn-warning.active,.btn-warning:active{-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,.125);box-shadow:inset 0 3px 5px rgba(0,0,0,.125)}.btn-danger.disabled,.btn-danger[disabled],.btn-default.disabled,.btn-default[disabled],.btn-info.disabled,.btn-info[disabled],.btn-primary.disabled,.btn-primary[disabled],.btn-success.disabled,.btn-success[disabled],.btn-warning.disabled,.btn-warning[disabled],fieldset[disabled] .btn-danger,fieldset[disabled] .btn-default,fieldset[disabled] .btn-info,fieldset[disabled] .btn-primary,fieldset[disabled] .btn-success,fieldset[disabled] .btn-warning{-webkit-box-shadow:none;box-shadow:none}.btn-danger .badge,.btn-default .badge,.btn-info .badge,.btn-primary .badge,.btn-success .badge,.btn-warning .badge{text-shadow:none}.btn.active,.btn:active{background-image:none}.btn-default{text-shadow:0 1px 0 #fff;background-image:-webkit-linear-gradient(top,#fff 0,#e0e0e0 100%);background-image:-o-linear-gradient(top,#fff 0,#e0e0e0 100%);background-image:-webkit-gradient(linear,left top,left bottom,from(#fff),to(#e0e0e0));background-image:linear-gradient(to bottom,#fff 0,#e0e0e0 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#ffe0e0e0', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled=false);background-repeat:repeat-x;border-color:#dbdbdb;border-color:#ccc}.btn-default:focus,.btn-default:hover{background-color:#e0e0e0;background-position:0 -15px}.btn-default.active,.btn-default:active{background-color:#e0e0e0;border-color:#dbdbdb}.btn-default.disabled,.btn-default.disabled.active,.btn-default.disabled.focus,.btn-default.disabled:active,.btn-default.disabled:focus,.btn-default.disabled:hover,.btn-default[disabled],.btn-default[disabled].active,.btn-default[disabled].focus,.btn-default[disabled]:active,.btn-default[disabled]:focus,.btn-default[disabled]:hover,fieldset[disabled] .btn-default,fieldset[disabled] .btn-default.active,fieldset[disabled] .btn-default.focus,fieldset[disabled] .btn-default:active,fieldset[disabled] .btn-default:focus,fieldset[disabled] .btn-default:hover{background-color:#e0e0e0;background-image:none}.btn-primary{background-image:-webkit-linear-gradient(top,#337ab7 0,#265a88 100%);background-image:-o-linear-gradient(top,#337ab7 0,#265a88 100%);background-image:-webkit-gradient(linear,left top,left bottom,from(#337ab7),to(#265a88));background-image:linear-gradient(to bottom,#337ab7 0,#265a88 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+/*# sourceMappingURL=bootstrap-theme.min.css.map */
\ No newline at end of file
diff --git a/web/css/bootstrap-toggle.min.css b/web/css/bootstrap-toggle.min.css
new file mode 100644
index 00000000..0d42ed09
--- /dev/null
+++ b/web/css/bootstrap-toggle.min.css
@@ -0,0 +1,28 @@
+/*! ========================================================================
+ * Bootstrap Toggle: bootstrap-toggle.css v2.2.0
+ * http://www.bootstraptoggle.com
+ * ========================================================================
+ * Copyright 2014 Min Hur, The New York Times Company
+ * Licensed under MIT
+ * ======================================================================== */
+.checkbox label .toggle,.checkbox-inline .toggle{margin-left:-20px;margin-right:5px}
+.toggle{position:relative;overflow:hidden}
+.toggle input[type=checkbox]{display:none}
+.toggle-group{position:absolute;width:200%;top:0;bottom:0;left:0;transition:left .35s;-webkit-transition:left .35s;-moz-user-select:none;-webkit-user-select:none}
+.toggle.off .toggle-group{left:-100%}
+.toggle-on{position:absolute;top:0;bottom:0;left:0;right:50%;margin:0;border:0;border-radius:0}
+.toggle-off{position:absolute;top:0;bottom:0;left:50%;right:0;margin:0;border:0;border-radius:0}
+.toggle-handle{position:relative;margin:0 auto;padding-top:0;padding-bottom:0;height:100%;width:0;border-width:0 1px}
+.toggle.btn{min-width:59px;min-height:34px}
+.toggle-on.btn{padding-right:24px}
+.toggle-off.btn{padding-left:24px}
+.toggle.btn-lg{min-width:79px;min-height:45px}
+.toggle-on.btn-lg{padding-right:31px}
+.toggle-off.btn-lg{padding-left:31px}
+.toggle-handle.btn-lg{width:40px}
+.toggle.btn-sm{min-width:50px;min-height:30px}
+.toggle-on.btn-sm{padding-right:20px}
+.toggle-off.btn-sm{padding-left:20px}
+.toggle.btn-xs{min-width:35px;min-height:22px}
+.toggle-on.btn-xs{padding-right:12px}
+.toggle-off.btn-xs{padding-left:12px}
\ No newline at end of file
diff --git a/web/css/bootstrap.min.css b/web/css/bootstrap.min.css
new file mode 100755
index 00000000..4cf729e4
--- /dev/null
+++ b/web/css/bootstrap.min.css
@@ -0,0 +1,6 @@
+/*!
+ * Bootstrap v3.3.6 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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new file mode 100644
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+/*!
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+ * Homepage: http://bootswatch.com
+ * Copyright 2012-2016 Thomas Park
+ * Licensed under MIT
+ * Based on Bootstrap
+*//*!
+ * Bootstrap v3.3.6 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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diff --git a/web/css/font-awesome.min.css b/web/css/font-awesome.min.css
new file mode 100755
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diff --git a/web/css/morris.css b/web/css/morris.css
new file mode 100644
index 00000000..209f0915
--- /dev/null
+++ b/web/css/morris.css
@@ -0,0 +1,2 @@
+.morris-hover{position:absolute;z-index:1000}.morris-hover.morris-default-style{border-radius:10px;padding:6px;color:#666;background:rgba(255,255,255,0.8);border:solid 2px rgba(230,230,230,0.8);font-family:sans-serif;font-size:12px;text-align:center}.morris-hover.morris-default-style .morris-hover-row-label{font-weight:bold;margin:0.25em 0}
+.morris-hover.morris-default-style .morris-hover-point{white-space:nowrap;margin:0.1em 0}
diff --git a/web/dashboard.css b/web/dashboard.css
new file mode 100755
index 00000000..5c756d55
--- /dev/null
+++ b/web/dashboard.css
@@ -0,0 +1,454 @@
+html,
+body {
+	/*font-family: Calibri,"Segoe UI","Helvetica Neue",Helvetica,Arial,sans-serif;*/
+	font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
+	font-style: normal;
+	font-variant: normal;
+}
+
+.netdata-chart-alignment {
+	margin-left: 55px;
+}
+
+.netdata-container {
+	display: -webkit-flex; /* Safari */
+	-webkit-flex-wrap: wrap; /* Safari 6.1+ */
+	display: inline-block;
+	flex-wrap: wrap;
+	overflow: hidden;
+
+	/* required for child elements to have absolute position */
+	position: relative;
+	
+	/* width and height is given per chart with data-width and data-height */
+}
+
+.netdata-aspect {
+	position: relative;
+	width: 100%;
+	padding: 0px;
+	margin: 0px;
+}
+
+.netdata-container-with-legend {
+	display: -webkit-flex; /* Safari */
+	-webkit-flex-wrap: wrap; /* Safari 6.1+ */
+	display: inline-block;
+	flex-wrap: wrap;
+	overflow: hidden;
+
+	/* fix minimum scrollbar issue in firefox */
+	min-height: 99px;
+
+	/* required for child elements to have absolute position */
+	position: relative;
+	
+	/* width and height is given per chart with data-width and data-height */
+}
+
+.netdata-legend-resize-handler {
+	display: block;
+	position: absolute;
+	bottom: 0px;
+	right: 0px;
+	height: 15px;
+	width: 30px;
+	background-color: White;
+	font-size: 12px;
+	vertical-align: middle;
+	line-height: 15px;
+	cursor: ns-resize;
+	color: #DDDDDD;
+	text-align: center;
+	overflow: hidden;
+	z-index: 20;
+	padding: 0px;
+	margin: 0px;
+}
+
+.netdata-message {
+	display: inline-block;
+	text-align: left;
+	vertical-align: top;
+	font-weight: bold;
+	font-size: x-small;
+	width: 100%;
+	height: 100%;
+	overflow: hidden;
+	background: inherit;
+	z-index: 0;
+}
+
+.netdata-message.hidden {
+	display: none;
+}
+
+.netdata-message.icon {
+	color: #F8F8F8;
+	text-align: center;
+	vertical-align: middle;
+}
+
+.netdata-chart-legend {
+	position: absolute;			/* within .netdata-container */
+	top: 0;
+	right: 0;
+	background-color: white;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	line-height: 14px;
+	display: block;
+	width: 140px;				/* --legend-width */
+	height: calc(100% - 15px);	/* 10px for the resize handler and 5px for the top margin */
+	font-size: 10px;
+	margin-top: 5px;
+	/* width and height is calculated (depends on the appearance of the legend) */
+}
+
+.netdata-legend-title-date {
+	font-size: 10px;
+	font-weight: normal;
+	margin-top: 0px;
+}
+.netdata-legend-title-time {
+	font-size: 11px;
+	font-weight: bold;
+	margin-top: 0px;
+}
+.netdata-legend-title-units {
+	position: absolute;
+	right: 5px;
+	float: right;
+	font-size: 10px;
+	vertical-align: top;
+	font-weight: normal;
+	margin-top: 0px;
+}
+.netdata-legend-series {
+	position: absolute;
+	width: 140px;				/* --legend-width */
+	height: calc(100% - 50px);
+	overflow: hidden;
+	text-overflow: ellipsis;
+	line-height: 14px;
+	display: block;
+	font-size: 10px;
+	margin-top: 0px;
+}
+
+.netdata-legend-series > .netdata-legend-series-content {
+	position      : absolute;
+	overflow      : scroll;
+	overflow-x    : hidden;
+	top           : 0;
+	right         : 0;
+	bottom        : 0;
+	left          : 0;
+	text-overflow: ellipsis;
+}
+.netdata-legend-series > .netdata-legend-series-content:focus {
+	outline: thin dotted;
+}
+.netdata-legend-series > .netdata-legend-series-content::-webkit-scrollbar {
+	display: block; /* was 'none', but chrome was hidding content with it */
+}
+.has-scrollbar > .netdata-legend-series-content::-webkit-scrollbar {
+	display: block;
+}
+.netdata-legend-series > .netdata-legend-series-pane {
+/*	background : rgba(0,0,0,.25);*/
+	background : #DDD;
+	position   : absolute;
+	width      : 4px;
+	right      : 0;
+	top        : 0;
+	bottom     : 0;
+/*	visibility : hidden\9; */ /* Target only IE7 and IE8 with this hack */
+/*	opacity    : .01; */
+/*	-webkit-transition    : .2s; */
+/*	-moz-transition       : .2s; */
+/*	-o-transition         : .2s; */
+/*	transition            : .2s; */
+	-moz-border-radius    : 4px;
+	-webkit-border-radius : 4px;
+	border-radius         : 4px;
+}
+.netdata-legend-series > .netdata-legend-series-pane > .netdata-legend-series-slider {
+	background            : #444;
+/*	background            : rgba(0,0,0,.5);*/
+	position              : relative;
+	margin                : 0 1px;
+	-moz-border-radius    : 2px;
+	-webkit-border-radius : 2px;
+	border-radius         : 2px;
+}
+.netdata-legend-series:hover > .netdata-legend-series-pane, .netdata-legend-series-pane.active, .netdata-legend-series-pane.flashed {
+/*  visibility : visible\9; */ /* Target only IE7 and IE8 with this hack */
+/*  opacity    : 0.99;*/
+}
+
+.netdata-legend-name-table-line {
+	display: inline-block;
+	width: 13px;
+	height: 4px;
+	border-width: 0px;
+	border-bottom-width: 2px;
+	border-bottom-style: solid;
+	border-bottom-color: white;
+}
+.netdata-legend-name-table-area {
+	display: inline-block;
+	width: 13px;
+	height: 5px;
+	border-width: 1px;
+	border-top-width: 1px;
+	border-top-style: solid;
+	border-top-color: inherit;
+}
+.netdata-legend-name-table-stacked {
+	display: inline-block;
+	width: 13px;
+	height: 5px;
+	border-width: 1px;
+	border-top-width: 1px;
+	border-top-style: solid;
+	border-top-color: inherit;
+}
+.netdata-legend-name-tr {
+}
+.netdata-legend-name-td {
+}
+.netdata-legend-name {
+	text-align: left;
+	font-size: 10px;
+	font-weight: bold;
+	vertical-align: bottom;
+	margin-top: 0px;
+	z-index: 9;
+	padding: 0px;
+	width: 80px !important;
+	max-width: 80px !important;
+	text-overflow: ellipsis;
+	overflow: hidden;
+	white-space: nowrap;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.netdata-legend-value {
+	/*margin-left: 14px;*/
+	position: absolute;
+	right: 5px;
+	float: right;
+	text-align: right;
+	font-size: 10px;
+	font-weight: bold;
+	vertical-align: bottom;
+	background-color: White;
+	margin-top: 0px;
+	z-index: 10;
+	padding: 0px;
+	padding-left: 15px;
+	cursor: pointer;
+	/* -webkit-font-smoothing: none; */
+}
+.netdata-legend-name.not-selected {
+	font-weight: normal;
+	opacity: 0.3;
+}
+
+.netdata-chart {
+	position: absolute;		/* within .netdata-container */
+	top: 0;					/* within .netdata-container */
+	left: 0;				/* within .netdata-container */
+	display: inline-block;
+	overflow: hidden;
+	width: 100%;
+	height: 100%;
+	z-index: 5;
+
+	/* width and height is calculated (depends on the appearance of the legend) */
+}
+
+.netdata-chart-with-legend-right {
+	position: absolute;		/* within .netdata-container */
+	top: 0;					/* within .netdata-container */
+	left: 0;				/* within .netdata-container */
+	display: block;
+	overflow: hidden;
+	margin-right: 140px;		/* --legend-width */
+	width: calc(100% - 140px);	/* --legend-width */
+	height: 100%;
+	z-index: 5;
+	flex-grow: 1;
+
+	/* width and height is calculated (depends on the appearance of the legend) */
+}
+
+.netdata-peity-chart {
+
+}
+
+.netdata-sparkline-chart {
+
+}
+
+.netdata-dygraph-chart {
+
+}
+
+.netdata-morris-chart {
+
+}
+
+.netdata-google-chart {
+
+}
+
+.dygraph-ylabel {
+}
+
+.dygraph-title {
+	text-indent: 56px;
+	text-align: left;
+	position: absolute;
+	left: 0px;
+	top: 4px;
+	font-size: 11px;
+	font-weight: bold;
+	text-overflow: ellipsis;
+	overflow: hidden;
+	white-space: nowrap;
+}
+
+/* fix for sparkline tooltip under bootstrap */
+.jqstooltip {
+  width: auto !important;
+  height: auto !important;
+}
+
+.easyPieChart {
+	position: relative;
+	text-align: center;
+}
+
+.easyPieChart canvas {
+	position: absolute;
+	top: 0;
+	left: 0;
+}
+
+.easyPieChartLabel {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 100%;
+	text-align: center;
+	color: #666;
+	font-weight: normal;
+	text-shadow: #BBB 0px 0px 1px;
+	/* -webkit-font-smoothing: none; */
+}
+
+.easyPieChartTitle {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 64%;
+	margin-left: 18%;
+	text-align: center;
+	color: #999999;
+	font-weight: normal;
+}
+
+.easyPieChartUnits {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 60%;
+	margin-left: 20%;
+	text-align: center;
+	color: #999999;
+	font-weight: normal;
+}
+
+.gaugeChart {
+	position: relative;
+	text-align: center;
+}
+
+.gaugeChart canvas {
+	position: absolute;
+	top: 0;
+	left: 0;
+	z-index: 0;
+}
+
+.gaugeChartLabel {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 100%;
+	text-align: center;
+	color: #FFFFFF;
+	font-weight: bold;
+	z-index: 1;
+	text-shadow: #777 0px 0px 1px;
+	/* text-shadow: #CCC 1px 1px 0px, #CCC -1px -1px 0px, #CCC 1px -1px 0px, #CCC -1px 1px 0px; */
+	/* -webkit-text-stroke: 1px #777; */
+	/* -webkit-font-smoothing: none; */
+}
+
+.gaugeChartTitle {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 100%;
+	text-align: center;
+	color: #999999;
+	font-weight: bold;
+}
+
+.gaugeChartUnits {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	bottom: 0;
+	width: 100%;
+	text-align: left;
+	margin-left: 5%;
+	color: #999999;
+	font-weight: normal;
+}
+
+.gaugeChartMin {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	bottom: 10%;
+	width: 92%;
+	margin-left: 8%;
+	text-align: left;
+	color: #999999;
+	font-weight: normal;
+}
+
+.gaugeChartMax {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	bottom: 10%;
+	width: 95%;
+	margin-right: 5%;
+	text-align: right;
+	color: #999999;
+	font-weight: normal;
+}
diff --git a/web/dashboard.html b/web/dashboard.html
new file mode 100755
index 00000000..8b8a6990
--- /dev/null
+++ b/web/dashboard.html
@@ -0,0 +1,650 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<title>NetData Dashboard</title>
+
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<meta charset="utf-8">
+	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<meta name="apple-mobile-web-app-capable" content="yes">
+	<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+	<meta name="author" content="costa@tsaousis.gr">
+</head>
+<body>
+
+<div class="container-fluid">
+
+<h1>NetData Custom Dashboard <div data-netdata="system.cpu" data-chart-library="sparkline" data-height="30" data-after="-600" data-sparkline-linecolor="#888"></div></h1>
+
+This is a template for building custom dashboards. To build a dashboard you just do this:
+
+<pre>
+&lt;!DOCTYPE html>
+&lt;html lang="en">
+&lt;head>
+	&lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+	&lt;meta charset="utf-8">
+	&lt;meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+	&lt;meta name="viewport" content="width=device-width, initial-scale=1">
+	&lt;meta name="apple-mobile-web-app-capable" content="yes">
+	&lt;meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+&lt;/head>
+&lt;body>
+	&lt;div data-netdata="system.processes"
+		data-chart-library="dygraph"
+		data-width="600"
+		data-height="200"
+		data-after="-600"
+		>&lt;/div>
+&lt;/body>
+&lt;script type="text/javascript" src="http://netdata.server:19999/dashboard.js">&lt;/script>
+&lt;/html>
+</pre>
+
+<ul>
+	<li>You can host your dashboard anywhere.</li>
+	<li>You can add as many charts as you like.</li>
+	<li>You can have charts from many different netdata servers (add <pre>data-host="http://another.netdata.server:19999/"</pre> to each chart).</li>
+	<li>You can use different chart libraries on the same page: <b>peity</b>, <b>sparkline</b>, <b>dygraph</b>, <b>google</b>, <b>morris</b></li>
+	<li>You can customize each chart to your preferences. For each chart library most of their attributes can be given in <b>data-</b> attributes.</li>
+	<li>Each chart can have each own duration - it is controlled with the <b>data-after</b> attribute to give that many seconds of data.</li>
+	<li>Depending on the width of the chart and <b>data-after</b> attribute, netdata will automatically refresh the chart when it needs to be updated. For example giving 600 pixels for width for -600 seconds of data, using a chart library that needs 3 pixels per point, will yeld in a chart updated once every 3 seconds.</li>
+</ul>
+
+
+<hr>
+<h1>Sparkline Charts</h1>
+Sparkline charts support 'NULL' values, so the charts can indicate that values are missing.
+Sparkline charts stretch the values to show the variations between values in more detail.
+They also have mouse-hover support.
+<br/>
+<b>Sparklines are fantastic</b>. You can inline charts in text. For example this
+	<div	data-netdata="system.cpu"
+			data-chart-library="sparkline"
+			data-width="5%"
+			data-height="20"
+			data-after="-30"
+			></div> is my current cpu usage (last 30 seconds),
+	while this
+	<div	data-netdata="netdata.net"
+			data-dimensions="out"
+			data-chart-library="sparkline"
+			data-width="10%"
+			data-height="20"
+			data-after="-60"
+			></div> is the bandwidth my netdata server is currently transmitting (last minute)
+	and this
+	<div	data-netdata="netdata.requests"
+			data-chart-library="sparkline"
+			data-width="20%"
+			data-height="20"
+			data-after="-180"
+			></div> is the requests/sec it serves (last 3 minutes).
+
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.processes"
+		data-chart-library="sparkline"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time101"
+		></div>
+	<br/>
+	<small>rendered in <span id="time101">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.ipv4"
+		data-chart-library="sparkline"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time102"
+		></div>
+	<br/>
+	<small>rendered in <span id="time102">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.cpu"
+		data-chart-library="sparkline"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time103"
+		></div>
+	<br/>
+	<small>rendered in <span id="time103">X</span> ms</small>
+</div>
+
+
+
+<hr>
+<h1>Peity Charts</h1>
+Peity charts do not support 'NULL' values, so the charts cannot indicate that values are missing.
+Peity charts cannot have multiple dimensions on the charts - so netdata will use 'min2max' to show
+the total of all dimensions.
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.processes"
+		data-chart-library="peity"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time001"
+		></div>
+	<br/>
+	<small>rendered in <span id="time001">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.ipv4"
+		data-chart-library="peity"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time002"
+		></div>
+	<br/>
+	<small>rendered in <span id="time002">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.cpu"
+		data-chart-library="peity"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time003"
+		></div>
+	<br/>
+	<small>rendered in <span id="time003">X</span> ms</small>
+</div>
+
+
+
+
+<hr>
+<h1>Dygraph Charts</h1>
+The fastest charting engine that can chart complete charts (not just sparklines).
+The charts are zoomable (drag their contents to pan, shift with mouse wheel to zoom-in or zoom-out, double click to reset it).
+<b>Netdata magic!</b> Realtime charts on your web page!
+<br/>
+Sparklines using dygraphs
+	<div data-netdata="system.processes"
+		data-chart-library="dygraph"
+		data-dygraph-theme="sparkline"
+		data-legend="no"
+		data-width="15%"
+		data-height="20"
+		data-after="-300"
+		></div>
+	are also possible! This 
+	<div data-netdata="system.ipv4"
+		data-chart-library="dygraph"
+		data-dygraph-theme="sparkline"
+		data-legend="no"
+		data-width="15%"
+		data-height="20"
+		data-after="-300"
+		></div>
+	is an area chart, while this
+	<div data-netdata="system.cpu"
+		data-chart-library="dygraph"
+		data-dygraph-theme="sparkline"
+		data-legend="no"
+		data-width="15%"
+		data-height="20"
+		data-after="-300"
+		></div> is a stacked area chart!
+
+
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.processes"
+		data-chart-library="dygraph"
+		data-dygraph-theme="sparkline"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time501"
+		></div>
+	<br/>
+	<small>rendered in <span id="time501">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.ipv4"
+		data-chart-library="dygraph"
+		data-dygraph-theme="sparkline"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time502"
+		></div>
+	<br/>
+	<small>rendered in <span id="time502">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.cpu"
+		data-chart-library="dygraph"
+		data-dygraph-theme="sparkline"
+		data-width="100%"
+		data-height="30"
+		data-after="-300"
+		data-dt-element-name="time503"
+		></div>
+	<br/>
+	<small>rendered in <span id="time503">X</span> ms</small>
+</div>
+
+
+
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.processes"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time201"
+		></div>
+	<br/>
+	<small>rendered in <span id="time201">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.ipv4"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time202"
+		></div>
+	<br/>
+	<small>rendered in <span id="time202">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.cpu"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time203"
+		></div>
+	<br/>
+	<small>rendered in <span id="time203">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.io"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time204"
+		></div>
+	<br/>
+	<small>rendered in <span id="time204">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="apps.cpu"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time205"
+		></div>
+	<br/>
+	<small>rendered in <span id="time205">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="netdata.net"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time206"
+		></div>
+	<br/>
+	<small>rendered in <span id="time206">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="netdata.server_cpu"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time207"
+		></div>
+	<br/>
+	<small>rendered in <span id="time207">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="netdata.requests"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time208"
+		></div>
+	<br/>
+	<small>rendered in <span id="time208">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="net.gstag0"
+		data-chart-library="dygraph"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time209"
+		></div>
+	<br/>
+	<small>rendered in <span id="time209">X</span> ms</small>
+</div>
+
+
+
+<hr>
+<h1>EasyPieChart</h1>
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.processes"
+			data-chart-library="easypiechart"
+			data-width="200"
+			data-height="200"
+			data-after="-300"
+			data-points="300"
+			data-dt-element-name="time601"
+			></div>
+		<br/>
+		<small>rendered in <span id="time601">X</span> ms</small>
+	</div>
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.processes"
+			data-chart-library="easypiechart"
+			data-width="150"
+			data-height="150"
+			data-after="-300"
+			data-points="150"
+			data-dt-element-name="time601a"
+			></div>
+		<br/>
+		<small>rendered in <span id="time601a">X</span> ms</small>
+	</div>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.ipv4"
+			data-chart-library="easypiechart"
+			data-width="200"
+			data-height="200"
+			data-after="-300"
+			data-points="300"
+			data-dt-element-name="time602"
+			></div>
+		<br/>
+		<small>rendered in <span id="time602">X</span> ms</small>
+	</div>
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.ipv4"
+			data-chart-library="easypiechart"
+			data-width="100"
+			data-height="100"
+			data-after="-300"
+			data-points="150"
+			data-dt-element-name="time602a"
+			></div>
+		<br/>
+		<small>rendered in <span id="time602a">X</span> ms</small>
+	</div>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.cpu"
+			data-chart-library="easypiechart"
+			data-width="200"
+			data-height="200"
+			data-after="-300"
+			data-points="300"
+			data-dt-element-name="time603"
+			></div>
+		<br/>
+		<small>rendered in <span id="time603">X</span> ms</small>
+	</div>
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.cpu"
+			data-chart-library="easypiechart"
+			data-width="75"
+			data-height="75"
+			data-after="-300"
+			data-points="150"
+			data-dt-element-name="time603a"
+			></div>
+		<br/>
+		<small>rendered in <span id="time603a">X</span> ms</small>
+	</div>
+</div>
+
+
+<hr>
+<h1>Gauge.js</h1>
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.processes"
+			data-chart-library="gauge"
+			data-width="250"
+			data-height="200"
+			data-after="-300"
+			data-points="300"
+			data-dt-element-name="time701"
+			></div>
+		<br/>
+		<small>rendered in <span id="time701">X</span> ms</small>
+	</div>
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.processes"
+			data-chart-library="gauge"
+			data-width="125"
+			data-height="100"
+			data-after="-300"
+			data-points="150"
+			data-dt-element-name="time701a"
+			></div>
+		<br/>
+		<small>rendered in <span id="time701a">X</span> ms</small>
+	</div>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.ipv4"
+			data-chart-library="gauge"
+			data-width="250"
+			data-height="200"
+			data-after="-300"
+			data-points="300"
+			data-dt-element-name="time702"
+			></div>
+		<br/>
+		<small>rendered in <span id="time702">X</span> ms</small>
+	</div>
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.ipv4"
+			data-chart-library="gauge"
+			data-width="125"
+			data-height="100"
+			data-after="-300"
+			data-points="150"
+			data-dt-element-name="time702a"
+			></div>
+		<br/>
+		<small>rendered in <span id="time702a">X</span> ms</small>
+	</div>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.cpu"
+			data-chart-library="gauge"
+			data-width="250"
+			data-height="200"
+			data-after="-300"
+			data-points="300"
+			data-dt-element-name="time703"
+			></div>
+		<br/>
+		<small>rendered in <span id="time703">X</span> ms</small>
+	</div>
+	<div style="display: inline-block; position: relative;">
+		<div data-netdata="system.cpu"
+			data-chart-library="gauge"
+			data-width="125"
+			data-height="100"
+			data-after="-300"
+			data-points="150"
+			data-dt-element-name="time703a"
+			></div>
+		<br/>
+		<small>rendered in <span id="time703a">X</span> ms</small>
+	</div>
+</div>
+
+
+<hr>
+<h1>Google Charts</h1>
+NetData was originaly developed with Google Charts.
+NetData is a complete Google Visualization API provider.
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.processes"
+		data-chart-library="google"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time301"
+		></div>
+	<br/>
+	<small>rendered in <span id="time301">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.ipv4"
+		data-chart-library="google"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time302"
+		></div>
+	<br/>
+	<small>rendered in <span id="time302">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.cpu"
+		data-chart-library="google"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time303"
+		></div>
+	<br/>
+	<small>rendered in <span id="time303">X</span> ms</small>
+</div>
+
+
+
+
+
+
+<hr>
+<h1>Morris Charts</h1>
+Unfortunatelly, Morris Charts are very slow. Here we force them to lower their detail to get acceptable results.
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.processes"
+		data-chart-library="morris"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time401"
+		></div>
+	<br/>
+	<small>rendered in <span id="time401">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.ipv4"
+		data-chart-library="morris"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time402"
+		></div>
+	<br/>
+	<small>rendered in <span id="time402">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.cpu"
+		data-chart-library="morris"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time403"
+		></div>
+	<br/>
+	<small>rendered in <span id="time403">X</span> ms</small>
+</div>
+
+
+<hr>
+<h1>C3 Charts</h1>
+C3 charts are not usable in large scale. They suffer from the following issues:
+<ul>
+ <li>extreme use of transitions (implemented with D3 instead of CSS, meaning they are javascript rendered) that cannot be disabled - even opacity is hardcoded in the javascript library</li>
+ <li>rendering is done with <code>SVG</code> instead of <code>canvas</code>, so they use DOM elements for every point, becomimg useless if more than 500 points are drawn</li>
+ <li>lack of a <code>raw</code> data format, so every time a chart is updated, data convertion in javascript is required</li>
+ <li>lack of <code>stacked</code> charts support</li>
+</ul>
+So, to avoid flashing the charts, we destroy and re-create the charts on each update. Also, since they manipulate the data with javascript we were forced to lower the detail they render to get acceptable speeds.
+<br/>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.processes"
+		data-chart-library="c3"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time801"
+		></div>
+	<br/>
+	<small>rendered in <span id="time801">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.ipv4"
+		data-chart-library="c3"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time802"
+		></div>
+	<br/>
+	<small>rendered in <span id="time802">X</span> ms</small>
+</div>
+<div style="width: 33%; display: inline-block;">
+	<div data-netdata="system.cpu"
+		data-chart-library="c3"
+		data-width="100%"
+		data-height="200"
+		data-after="-300"
+		data-dt-element-name="time803"
+		></div>
+	<br/>
+	<small>rendered in <span id="time803">X</span> ms</small>
+</div>
+
+
+
+
+
+</div> <!-- 1st container -->
+</body>
+</html>
+	<!-- you can set your netdata server globally, by ucommenting this -->
+	<!-- you can also give a different server per chart, with the attribute: data-host="http://netdata.server:19999" -->
+	<!-- <script> netdataServer = "http://box:19999"; </script> -->
+
+	<!-- load the dashboard manager - it will do the rest -->
+	<script type="text/javascript" src="dashboard.js"></script>
+
diff --git a/web/dashboard.js b/web/dashboard.js
new file mode 100755
index 00000000..079209d7
--- /dev/null
+++ b/web/dashboard.js
@@ -0,0 +1,5173 @@
+// You can set the following variables before loading this script:
+//
+// var netdataNoDygraphs = true;		// do not use dygraph
+// var netdataNoSparklines = true;		// do not use sparkline
+// var netdataNoPeitys = true;			// do not use peity
+// var netdataNoGoogleCharts = true;	// do not use google
+// var netdataNoMorris = true;			// do not use morris
+// var netdataNoEasyPieChart = true;	// do not use easy pie chart
+// var netdataNoGauge = true;			// do not use gauge.js
+// var netdataNoD3 = true;				// do not use D3
+// var netdataNoC3 = true;				// do not use C3
+// var netdataNoBootstrap = true;		// do not load bootstrap
+// var netdataDontStart = true;			// do not start the thread to process the charts
+//
+// You can also set the default netdata server, using the following.
+// When this variable is not set, we assume the page is hosted on your
+// netdata server already.
+// var netdataServer = "http://yourhost:19999"; // set your NetData server
+
+//(function(window, document, undefined) {
+	// fix IE issue with console
+	if(!window.console){ window.console = {log: function(){} }; }
+
+	// global namespace
+	var NETDATA = window.NETDATA || {};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// Detect the netdata server
+
+	// http://stackoverflow.com/questions/984510/what-is-my-script-src-url
+	// http://stackoverflow.com/questions/6941533/get-protocol-domain-and-port-from-url
+	NETDATA._scriptSource = function() {
+		var script = null;
+
+		if(typeof document.currentScript !== 'undefined') {
+			script = document.currentScript;
+		}
+		else {
+			var all_scripts = document.getElementsByTagName('script');
+			script = all_scripts[all_scripts.length - 1];
+		}
+
+		if (typeof script.getAttribute.length !== 'undefined')
+			script = script.src;
+		else
+			script = script.getAttribute('src', -1);
+
+		return script;
+	};
+
+	if(typeof netdataServer !== 'undefined')
+		NETDATA.serverDefault = netdataServer;
+	else {
+		var s = NETDATA._scriptSource();
+		NETDATA.serverDefault = s.replace(/\/dashboard.js(\?.*)*$/g, "");
+	}
+
+	if(NETDATA.serverDefault === null)
+		NETDATA.serverDefault = '';
+	else if(NETDATA.serverDefault.slice(-1) !== '/')
+		NETDATA.serverDefault += '/';
+
+	// default URLs for all the external files we need
+	// make them RELATIVE so that the whole thing can also be
+	// installed under a web server
+	NETDATA.jQuery       		= NETDATA.serverDefault + 'lib/jquery-1.12.0.min.js';
+	NETDATA.peity_js     		= NETDATA.serverDefault + 'lib/jquery.peity.min.js';
+	NETDATA.sparkline_js 		= NETDATA.serverDefault + 'lib/jquery.sparkline.min.js';
+	NETDATA.easypiechart_js 	= NETDATA.serverDefault + 'lib/jquery.easypiechart.min.js';
+	NETDATA.gauge_js 			= NETDATA.serverDefault + 'lib/gauge.min.js';
+	NETDATA.dygraph_js   		= NETDATA.serverDefault + 'lib/dygraph-combined.js';
+	NETDATA.dygraph_smooth_js   = NETDATA.serverDefault + 'lib/dygraph-smooth-plotter.js';
+	NETDATA.raphael_js   		= NETDATA.serverDefault + 'lib/raphael-min.js';
+	NETDATA.morris_js    		= NETDATA.serverDefault + 'lib/morris.min.js';
+	NETDATA.d3_js  		  		= NETDATA.serverDefault + 'lib/d3.min.js';
+	NETDATA.c3_js  		  		= NETDATA.serverDefault + 'lib/c3.min.js';
+	NETDATA.c3_css   			= NETDATA.serverDefault + 'css/c3.min.css';
+	NETDATA.morris_css   		= NETDATA.serverDefault + 'css/morris.css';
+	NETDATA.google_js    		= 'https://www.google.com/jsapi';
+
+	NETDATA.themes = {
+		default: {
+			bootstrap_css: NETDATA.serverDefault + 'css/bootstrap.min.css',
+			dashboard_css: NETDATA.serverDefault + 'dashboard.css',
+			background: '#FFFFFF',
+			foreground: '#000000',
+			grid: '#DDDDDD',
+			axis: '#CCCCCC',
+			colors: [ 	'#3366CC', '#DC3912',   '#109618', '#FF9900',   '#990099', '#DD4477',
+						'#3B3EAC', '#66AA00',   '#0099C6', '#B82E2E',   '#AAAA11', '#5574A6',
+						'#994499', '#22AA99',   '#6633CC', '#E67300',   '#316395', '#8B0707',
+						'#329262', '#3B3EAC' ],
+			easypiechart_track: '#f0f0f0',
+			easypiechart_scale: '#dfe0e0',
+			gauge_pointer: '#C0C0C0',
+			gauge_stroke: '#F0F0F0',
+			gauge_gradient: true
+		},
+		slate: {
+			bootstrap_css: NETDATA.serverDefault + 'css/bootstrap.slate.min.css',
+			dashboard_css: NETDATA.serverDefault + 'dashboard.slate.css',
+			background: '#272b30',
+			foreground: '#C8C8C8',
+			grid: '#373b40',
+			axis: '#373b40',
+/*			colors: [ 	'#55bb33', '#ff2222',   '#0099C6', '#faa11b',   '#adbce0', '#DDDD00',
+						'#4178ba', '#f58122',   '#a5cc39', '#f58667',   '#f5ef89', '#cf93c0',
+						'#a5d18a', '#b8539d',   '#3954a3', '#c8a9cf',   '#c7de8a', '#fad20a',
+						'#a6a479', '#a66da8' ],
+*/
+			colors: [ 	'#66AA00', '#FE3912',   '#3366CC', '#D66300',   '#0099C6', '#DDDD00',
+						'#3B3EAC', '#EE9911',   '#BB44CC', '#C83E3E',   '#990099', '#CC7700',
+						'#22AA99', '#109618',   '#6633CC', '#DD4477',   '#316395', '#8B0707',
+						'#329262', '#3B3EFF' ],
+			easypiechart_track: '#373b40',
+			easypiechart_scale: '#373b40',
+			gauge_pointer: '#474b50',
+			gauge_stroke: '#373b40',
+			gauge_gradient: false
+		}
+	};
+
+	if(typeof netdataTheme !== 'undefined' && typeof NETDATA.themes[netdataTheme] !== 'undefined')
+		NETDATA.themes.current = NETDATA.themes[netdataTheme];
+	else
+		NETDATA.themes.current = NETDATA.themes.default;
+
+	NETDATA.colors = NETDATA.themes.current.colors;
+
+	// these are the colors Google Charts are using
+	// we have them here to attempt emulate their look and feel on the other chart libraries
+	// http://there4.io/2012/05/02/google-chart-color-list/
+	//NETDATA.colors		= [ '#3366CC', '#DC3912', '#FF9900', '#109618', '#990099', '#3B3EAC', '#0099C6',
+	//						'#DD4477', '#66AA00', '#B82E2E', '#316395', '#994499', '#22AA99', '#AAAA11',
+	//						'#6633CC', '#E67300', '#8B0707', '#329262', '#5574A6', '#3B3EAC' ];
+
+	// an alternative set
+	// http://www.mulinblog.com/a-color-palette-optimized-for-data-visualization/
+	//                         (blue)     (red)      (orange)   (green)    (pink)     (brown)    (purple)   (yellow)   (gray)
+	//NETDATA.colors 		= [ '#5DA5DA', '#F15854', '#FAA43A', '#60BD68', '#F17CB0', '#B2912F', '#B276B2', '#DECF3F', '#4D4D4D' ];
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// the defaults for all charts
+
+	// if the user does not specify any of these, the following will be used
+
+	NETDATA.chartDefaults = {
+		host: NETDATA.serverDefault,	// the server to get data from
+		width: '100%',					// the chart width - can be null
+		height: '100%',					// the chart height - can be null
+		min_width: null,				// the chart minimum width - can be null
+		library: 'dygraph',				// the graphing library to use
+		method: 'average',				// the grouping method
+		before: 0,						// panning
+		after: -600,					// panning
+		pixels_per_point: 1,			// the detail of the chart
+		fill_luminance: 0.8				// luminance of colors in solit areas
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// global options
+
+	NETDATA.options = {
+		pauseCallback: null,			// a callback when we are really paused
+
+		pause: false,					// when enabled we don't auto-refresh the charts
+
+		targets: null,					// an array of all the state objects that are
+										// currently active (independently of their
+										// viewport visibility)
+
+		updated_dom: true,				// when true, the DOM has been updated with
+										// new elements we have to check.
+
+		auto_refresher_fast_weight: 0,	// this is the current time in ms, spent
+										// rendering charts continiously.
+										// used with .current.fast_render_timeframe
+
+		page_is_visible: true,			// when true, this page is visible
+
+		auto_refresher_stop_until: 0,	// timestamp in ms - used internaly, to stop the
+										// auto-refresher for some time (when a chart is
+										// performing pan or zoom, we need to stop refreshing
+										// all other charts, to have the maximum speed for
+										// rendering the chart that is panned or zoomed).
+										// Used with .current.global_pan_sync_time
+
+		last_resized: new Date().getTime(), // the timestamp of the last resize request
+
+		crossDomainAjax: false,			// enable this to request crossDomain AJAX
+
+		last_page_scroll: 0,			// the timestamp the last time the page was scrolled
+
+		// the current profile
+		// we may have many...
+		current: {
+			pixels_per_point: 1,		// the minimum pixels per point for all charts
+										// increase this to speed javascript up
+										// each chart library has its own limit too
+										// the max of this and the chart library is used
+										// the final is calculated every time, so a change
+										// here will have immediate effect on the next chart
+										// update
+
+			idle_between_charts: 100,	// ms - how much time to wait between chart updates
+
+			fast_render_timeframe: 200, // ms - render continously until this time of continious
+										// rendering has been reached
+										// this setting is used to make it render e.g. 10
+										// charts at once, sleep idle_between_charts time
+										// and continue for another 10 charts.
+
+			idle_between_loops: 500,	// ms - if all charts have been updated, wait this
+										// time before starting again.
+
+			idle_parallel_loops: 100,	// ms - the time between parallel refresher updates
+
+			idle_lost_focus: 500,		// ms - when the window does not have focus, check
+										// if focus has been regained, every this time
+
+			global_pan_sync_time: 1000,	// ms - when you pan or zoon a chart, the background
+										// autorefreshing of charts is paused for this amount
+										// of time
+
+			sync_selection_delay: 1500,	// ms - when you pan or zoom a chart, wait this amount
+										// of time before setting up synchronized selections
+										// on hover.
+
+			sync_selection: true,		// enable or disable selection sync
+
+			pan_and_zoom_delay: 50,		// when panning or zooming, how ofter to update the chart
+
+			sync_pan_and_zoom: true,	// enable or disable pan and zoom sync
+
+			pan_and_zoom_data_padding: true, // fetch more data for the master chart when panning or zooming
+
+			update_only_visible: true,	// enable or disable visibility management
+
+			parallel_refresher: true,	// enable parallel refresh of charts
+
+			concurrent_refreshes: true,	// when parallel_refresher is enabled, sync also the charts
+
+			destroy_on_hide: false,		// destroy charts when they are not visible
+
+			eliminate_zero_dimensions: true, // do not show dimensions with just zeros
+
+			stop_updates_when_focus_is_lost: true, // boolean - shall we stop auto-refreshes when document does not have user focus
+			stop_updates_while_resizing: 1000,	// ms - time to stop auto-refreshes while resizing the charts
+
+			double_click_speed: 500,	// ms - time between clicks / taps to detect double click/tap
+
+ 			smooth_plot: true,			// enable smooth plot, where possible
+
+			charts_selection_animation_delay: 50, // delay to animate charts when syncing selection
+
+ 			color_fill_opacity_line: 1.0,
+ 			color_fill_opacity_area: 0.2,
+			color_fill_opacity_stacked: 0.8,
+
+			setOptionCallback: function() { ; }
+		},
+
+		debug: {
+			show_boxes: 		false,
+			main_loop: 			false,
+			focus: 				false,
+			visibility: 		false,
+			chart_data_url: 	false,
+			chart_errors: 		false, // FIXME
+			chart_timing: 		false,
+			chart_calls: 		false,
+			libraries: 			false,
+			dygraph: 			false
+		}
+	}
+
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// local storage options
+
+	NETDATA.localStorage = {
+		default: {},
+		current: {},
+		callback: {} // only used for resetting back to defaults
+	};
+
+	NETDATA.localStorageGet = function(key, def, callback) {
+		var ret = def;
+
+		if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
+			NETDATA.localStorage.default[key.toString()] = def;
+			NETDATA.localStorage.callback[key.toString()] = callback;
+		}
+
+		if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
+			try {
+				// console.log('localStorage: loading "' + key.toString() + '"');
+				ret = localStorage.getItem(key.toString());
+				if(ret === null || ret === 'undefined') {
+					// console.log('localStorage: cannot load it, saving "' + key.toString() + '" with value "' + JSON.stringify(def) + '"');
+					localStorage.setItem(key.toString(), JSON.stringify(def));
+					ret = def;
+				}
+				else {
+					// console.log('localStorage: got "' + key.toString() + '" with value "' + ret + '"');
+					ret = JSON.parse(ret);
+					// console.log('localStorage: loaded "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
+				}
+			}
+			catch(error) {
+				console.log('localStorage: failed to read "' + key.toString() + '", using default: "' + def.toString() + '"');
+				ret = def;
+			}
+		}
+
+		if(typeof ret === 'undefined' || ret === 'undefined') {
+			console.log('localStorage: LOADED UNDEFINED "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
+			ret = def;
+		}
+
+		NETDATA.localStorage.current[key.toString()] = ret;
+		return ret;
+	}
+
+	NETDATA.localStorageSet = function(key, value, callback) {
+		if(typeof value === 'undefined' || value === 'undefined') {
+			console.log('localStorage: ATTEMPT TO SET UNDEFINED "' + key.toString() + '" as value ' + value + ' of type ' + typeof(value));
+		}
+
+		if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
+			NETDATA.localStorage.default[key.toString()] = value;
+			NETDATA.localStorage.current[key.toString()] = value;
+			NETDATA.localStorage.callback[key.toString()] = callback;
+		}
+
+		if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
+			// console.log('localStorage: saving "' + key.toString() + '" with value "' + JSON.stringify(value) + '"');
+			try {
+				localStorage.setItem(key.toString(), JSON.stringify(value));
+			}
+			catch(e) {
+				console.log('localStorage: failed to save "' + key.toString() + '" with value: "' + value.toString() + '"');
+			}
+		}
+
+		NETDATA.localStorage.current[key.toString()] = value;
+		return value;
+	}
+
+	NETDATA.localStorageGetRecursive = function(obj, prefix, callback) {
+		for(var i in obj) {
+			if(typeof obj[i] === 'object') {
+				//console.log('object ' + prefix + '.' + i.toString());
+				NETDATA.localStorageGetRecursive(obj[i], prefix + '.' + i.toString(), callback);
+				continue;
+			}
+
+			obj[i] = NETDATA.localStorageGet(prefix + '.' + i.toString(), obj[i], callback);
+		}
+	}
+
+	NETDATA.setOption = function(key, value) {
+		if(key.toString() === 'setOptionCallback') {
+			if(typeof NETDATA.options.current.setOptionCallback === 'function') {
+				NETDATA.options.current[key.toString()] = value;
+				NETDATA.options.current.setOptionCallback();
+			}
+		}
+		else if(NETDATA.options.current[key.toString()] !== value) {
+			var name = 'options.' + key.toString();
+
+			if(typeof NETDATA.localStorage.default[name.toString()] === 'undefined')
+				console.log('localStorage: setOption() on unsaved option: "' + name.toString() + '", value: ' + value);
+
+			//console.log(NETDATA.localStorage);
+			//console.log('setOption: setting "' + key.toString() + '" to "' + value + '" of type ' + typeof(value) + ' original type ' + typeof(NETDATA.options.current[key.toString()]));
+			//console.log(NETDATA.options);
+			NETDATA.options.current[key.toString()] = NETDATA.localStorageSet(name.toString(), value, null);
+
+			if(typeof NETDATA.options.current.setOptionCallback === 'function')
+				NETDATA.options.current.setOptionCallback();
+		}
+
+		return true;
+	}
+
+	NETDATA.getOption = function(key) {
+		return NETDATA.options.current[key.toString()];
+	}
+
+	// read settings from local storage
+	NETDATA.localStorageGetRecursive(NETDATA.options.current, 'options', null);
+
+	// always start with this option enabled.
+	NETDATA.setOption('stop_updates_when_focus_is_lost', true);
+
+	NETDATA.resetOptions = function() {
+		for(var i in NETDATA.localStorage.default) {
+			var a = i.split('.');
+
+			if(a[0] === 'options') {
+				if(a[1] === 'setOptionCallback') continue;
+				if(typeof NETDATA.localStorage.default[i] === 'undefined') continue;
+				if(NETDATA.options.current[i] === NETDATA.localStorage.default[i]) continue;
+
+				NETDATA.setOption(a[1], NETDATA.localStorage.default[i]);
+			}
+			else if(a[0] === 'chart_heights') {
+				if(typeof NETDATA.localStorage.callback[i] === 'function' && typeof NETDATA.localStorage.default[i] !== 'undefined') {
+					NETDATA.localStorage.callback[i](NETDATA.localStorage.default[i]);
+				}
+			}
+		}
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+
+	if(NETDATA.options.debug.main_loop === true)
+		console.log('welcome to NETDATA');
+
+	NETDATA.onresize = function() {
+		NETDATA.options.last_resized = new Date().getTime();
+		NETDATA.onscroll();
+	};
+
+	NETDATA.onscroll = function() {
+		// console.log('onscroll');
+
+		NETDATA.options.last_page_scroll = new Date().getTime();
+		if(NETDATA.options.targets === null) return;
+
+		// when the user scrolls he sees that we have
+		// hidden all the not-visible charts
+		// using this little function we try to switch
+		// the charts back to visible quickly
+		var targets = NETDATA.options.targets;
+		var len = targets.length;
+		while(len--) targets[len].isVisible();
+	};
+
+	window.onresize = NETDATA.onresize;
+	window.onscroll = NETDATA.onscroll;
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// Error Handling
+
+	NETDATA.errorCodes = {
+		100: { message: "Cannot load chart library", alert: true },
+		101: { message: "Cannot load jQuery", alert: true },
+		402: { message: "Chart library not found", alert: false },
+		403: { message: "Chart library not enabled/is failed", alert: false },
+		404: { message: "Chart not found", alert: false }
+	};
+	NETDATA.errorLast = {
+		code: 0,
+		message: "",
+		datetime: 0
+	};
+
+	NETDATA.error = function(code, msg) {
+		NETDATA.errorLast.code = code;
+		NETDATA.errorLast.message = msg;
+		NETDATA.errorLast.datetime = new Date().getTime();
+
+		console.log("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
+
+		if(NETDATA.errorCodes[code].alert)
+			alert("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
+	}
+
+	NETDATA.errorReset = function() {
+		NETDATA.errorLast.code = 0;
+		NETDATA.errorLast.message = "You are doing fine!";
+		NETDATA.errorLast.datetime = 0;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// Chart Registry
+
+	// When multiple charts need the same chart, we avoid downloading it
+	// multiple times (and having it in browser memory multiple time)
+	// by using this registry.
+
+	// Every time we download a chart definition, we save it here with .add()
+	// Then we try to get it back with .get(). If that fails, we download it.
+
+	NETDATA.chartRegistry = {
+		charts: {},
+
+		fixid: function(id) {
+			return id.replace(/:/g, "_").replace(/\//g, "_");
+		},
+
+		add: function(host, id, data) {
+			host = this.fixid(host);
+			id   = this.fixid(id);
+
+			if(typeof this.charts[host] === 'undefined')
+				this.charts[host] = {};
+
+			//console.log('added ' + host + '/' + id);
+			this.charts[host][id] = data;
+		},
+
+		get: function(host, id) {
+			host = this.fixid(host);
+			id   = this.fixid(id);
+
+			if(typeof this.charts[host] === 'undefined')
+				return null;
+
+			if(typeof this.charts[host][id] === 'undefined')
+				return null;
+
+			//console.log('cached ' + host + '/' + id);
+			return this.charts[host][id];
+		},
+
+		downloadAll: function(host, callback) {
+			while(host.slice(-1) === '/')
+				host = host.substring(0, host.length - 1);
+
+			var self = this;
+
+			$.ajax({
+				url: host + '/api/v1/charts',
+				crossDomain: NETDATA.options.crossDomainAjax,
+				async: true,
+				cache: false
+			})
+			.done(function(data) {
+				var h = NETDATA.chartRegistry.fixid(host);
+				//console.log('downloaded all charts from ' + host + ' (' + h + ')');
+				self.charts[h] = data.charts;
+				if(typeof callback === 'function')
+					callback(data);
+			})
+			.fail(function() {
+				if(typeof callback === 'function')
+					callback(null);
+			});
+		}
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// Global Pan and Zoom on charts
+
+	// Using this structure are synchronize all the charts, so that
+	// when you pan or zoom one, all others are automatically refreshed
+	// to the same timespan.
+
+	NETDATA.globalPanAndZoom = {
+		seq: 0,					// timestamp ms
+								// every time a chart is panned or zoomed
+								// we set the timestamp here
+								// then we use it as a sequence number
+								// to find if other charts are syncronized
+								// to this timerange
+
+		master: null,			// the master chart (state), to which all others
+								// are synchronized
+
+		force_before_ms: null,	// the timespan to sync all other charts 
+		force_after_ms: null,
+
+		// set a new master
+		setMaster: function(state, after, before) {
+			if(NETDATA.options.current.sync_pan_and_zoom === false)
+				return;
+
+			if(this.master !== null && this.master !== state)
+				this.master.resetChart(true, true);
+
+			var now = new Date().getTime();
+			this.master = state;
+			this.seq = now;
+			this.force_after_ms = after;
+			this.force_before_ms = before;
+			NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.global_pan_sync_time;
+		},
+
+		// clear the master
+		clearMaster: function() {
+			if(this.master !== null) {
+				var st = this.master;
+				this.master = null;
+				st.resetChart();
+			}
+
+			this.master = null;
+			this.seq = 0;
+			this.force_after_ms = null;
+			this.force_before_ms = null;
+			NETDATA.options.auto_refresher_stop_until = 0;
+		},
+
+		// is the given state the master of the global
+		// pan and zoom sync?
+		isMaster: function(state) {
+			if(this.master === state) return true;
+			return false;
+		},
+
+		// are we currently have a global pan and zoom sync?
+		isActive: function() {
+			if(this.master !== null && this.force_before_ms !== null && this.force_after_ms !== null && this.seq !== 0) return true;
+			return false;
+		},
+
+		// check if a chart, other than the master
+		// needs to be refreshed, due to the global pan and zoom
+		shouldBeAutoRefreshed: function(state) {
+			if(this.master === null || this.seq === 0)
+				return false;
+
+			//if(state.needsRecreation())
+			//	return true;
+
+			if(state.tm.pan_and_zoom_seq === this.seq)
+				return false;
+
+			return true;
+		}
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// dimensions selection
+
+	// FIXME
+	// move color assignment to dimensions, here
+
+	dimensionStatus = function(parent, label, name_div, value_div, color) {
+		this.enabled = false;
+		this.parent = parent;
+		this.label = label;
+		this.name_div = null;
+		this.value_div = null;
+		this.color = NETDATA.themes.current.foreground;
+
+		if(parent.selected === parent.unselected)
+			this.selected = true;
+		else
+			this.selected = false;
+
+		this.setOptions(name_div, value_div, color);
+	}
+
+	dimensionStatus.prototype.invalidate = function() {
+		this.name_div = null;
+		this.value_div = null;
+		this.enabled = false;
+	}
+
+	dimensionStatus.prototype.setOptions = function(name_div, value_div, color) {
+		this.color = color;
+
+		if(this.name_div != name_div) {
+			this.name_div = name_div;
+			this.name_div.title = this.label;
+			this.name_div.style.color = this.color;
+			if(this.selected === false)
+				this.name_div.className = 'netdata-legend-name not-selected';
+			else
+				this.name_div.className = 'netdata-legend-name selected';
+		}
+
+		if(this.value_div != value_div) {
+			this.value_div = value_div;
+			this.value_div.title = this.label;
+			this.value_div.style.color = this.color;
+			if(this.selected === false)
+				this.value_div.className = 'netdata-legend-value not-selected';
+			else
+				this.value_div.className = 'netdata-legend-value selected';
+		}
+
+		this.enabled = true;
+		this.setHandler();
+	}
+
+	dimensionStatus.prototype.setHandler = function() {
+		if(this.enabled === false) return;
+
+		var ds = this;
+
+		// this.name_div.onmousedown = this.value_div.onmousedown = function(e) {
+		this.name_div.onclick = this.value_div.onclick = function(e) {
+			e.preventDefault();
+			if(ds.isSelected()) {
+				// this is selected
+				if(e.shiftKey === true || e.ctrlKey === true) {
+					// control or shift key is pressed -> unselect this (except is none will remain selected, in which case select all)
+					ds.unselect();
+
+					if(ds.parent.countSelected() === 0)
+						ds.parent.selectAll();
+				}
+				else {
+					// no key is pressed -> select only this (except if it is the only selected already, in which case select all)
+					if(ds.parent.countSelected() === 1) {
+						ds.parent.selectAll();
+					}
+					else {
+						ds.parent.selectNone();
+						ds.select();
+					}
+				}
+			}
+			else {
+				// this is not selected
+				if(e.shiftKey === true || e.ctrlKey === true) {
+					// control or shift key is pressed -> select this too
+					ds.select();
+				}
+				else {
+					// no key is pressed -> select only this
+					ds.parent.selectNone();
+					ds.select();
+				}
+			}
+
+			ds.parent.state.redrawChart();
+		}
+	}
+
+	dimensionStatus.prototype.select = function() {
+		if(this.enabled === false) return;
+
+		this.name_div.className = 'netdata-legend-name selected';
+		this.value_div.className = 'netdata-legend-value selected';
+		this.selected = true;
+	}
+
+	dimensionStatus.prototype.unselect = function() {
+		if(this.enabled === false) return;
+
+		this.name_div.className = 'netdata-legend-name not-selected';
+		this.value_div.className = 'netdata-legend-value hidden';
+		this.selected = false;
+	}
+
+	dimensionStatus.prototype.isSelected = function() {
+		return(this.enabled === true && this.selected === true);
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+
+	dimensionsVisibility = function(state) {
+		this.state = state;
+		this.len = 0;
+		this.dimensions = {};
+		this.selected_count = 0;
+		this.unselected_count = 0;
+	}
+
+	dimensionsVisibility.prototype.dimensionAdd = function(label, name_div, value_div, color) {
+		if(typeof this.dimensions[label] === 'undefined') {
+			this.len++;
+			this.dimensions[label] = new dimensionStatus(this, label, name_div, value_div, color);
+		}
+		else
+			this.dimensions[label].setOptions(name_div, value_div, color);
+
+		return this.dimensions[label];
+	}
+
+	dimensionsVisibility.prototype.dimensionGet = function(label) {
+		return this.dimensions[label];
+	}
+
+	dimensionsVisibility.prototype.invalidateAll = function() {
+		for(var d in this.dimensions)
+			this.dimensions[d].invalidate();
+	}
+
+	dimensionsVisibility.prototype.selectAll = function() {
+		for(var d in this.dimensions)
+			this.dimensions[d].select();
+	}
+
+	dimensionsVisibility.prototype.countSelected = function() {
+		var i = 0;
+		for(var d in this.dimensions)
+			if(this.dimensions[d].isSelected()) i++;
+
+		return i;
+	}
+
+	dimensionsVisibility.prototype.selectNone = function() {
+		for(var d in this.dimensions)
+			this.dimensions[d].unselect();
+	}
+
+	dimensionsVisibility.prototype.selected2BooleanArray = function(array) {
+		var ret = new Array();
+		this.selected_count = 0;
+		this.unselected_count = 0;
+
+		for(var i = 0, len = array.length; i < len ; i++) {
+			var ds = this.dimensions[array[i]];
+			if(typeof ds === 'undefined') {
+				// console.log(array[i] + ' is not found');
+				ret.push(false);
+				continue;
+			}
+
+			if(ds.isSelected()) {
+				ret.push(true);
+				this.selected_count++;
+			}
+			else {
+				ret.push(false);
+				this.unselected_count++;
+			}
+		}
+
+		if(this.selected_count === 0 && this.unselected_count !== 0) {
+			this.selectAll();
+			return this.selected2BooleanArray(array);
+		}
+
+		return ret;
+	}
+
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// global selection sync
+
+	NETDATA.globalSelectionSync = {
+		state: null,
+		dont_sync_before: 0,
+		last_t: 0,
+		slaves: [],
+
+		stop: function() {
+			if(this.state !== null)
+				this.state.globalSelectionSyncStop();
+		},
+
+		delay: function() {
+			if(this.state !== null) {
+				this.state.globalSelectionSyncDelay();
+			}
+		}
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// Our state object, where all per-chart values are stored
+
+	chartState = function(element) {
+		var self = $(element);
+		this.element = element;
+
+		// IMPORTANT:
+		// all private functions should use 'that', instead of 'this'
+		var that = this;
+
+		/* error() - private
+		 * show an error instead of the chart
+		 */
+		var error = function(msg) {
+			that.element.innerHTML = that.id + ': ' + msg;
+			that.enabled = false;
+			that.current = that.pan;
+		}
+
+		// GUID - a unique identifier for the chart
+		this.uuid = NETDATA.guid();
+
+		// string - the name of chart
+		this.id = self.data('netdata');
+
+		// string - the key for localStorage settings
+		this.settings_id = self.data('id') || null;
+
+		// the user given dimensions of the element
+		this.width = self.data('width') || NETDATA.chartDefaults.width;
+		this.height = self.data('height') || NETDATA.chartDefaults.height;
+
+		if(this.settings_id !== null) {
+			this.height = NETDATA.localStorageGet('chart_heights.' + this.settings_id, this.height, function(height) {
+				// this is the callback that will be called
+				// if and when the user resets all localStorage variables
+				// to their defaults
+
+				resizeChartToHeight(height);
+			});
+		}
+
+		// string - the netdata server URL, without any path
+		this.host = self.data('host') || NETDATA.chartDefaults.host;
+
+		// make sure the host does not end with /
+		// all netdata API requests use absolute paths
+		while(this.host.slice(-1) === '/')
+			this.host = this.host.substring(0, this.host.length - 1);
+
+		// string - the grouping method requested by the user
+		this.method = self.data('method') || NETDATA.chartDefaults.method;
+
+		// the time-range requested by the user
+		this.after = self.data('after') || NETDATA.chartDefaults.after;
+		this.before = self.data('before') || NETDATA.chartDefaults.before;
+
+		// the pixels per point requested by the user
+		this.pixels_per_point = self.data('pixels-per-point') || 1;
+		this.points = self.data('points') || null;
+
+		// the dimensions requested by the user
+		this.dimensions = self.data('dimensions') || null;
+
+		// the chart library requested by the user
+		this.library_name = self.data('chart-library') || NETDATA.chartDefaults.library;
+
+		// object - the chart library used
+		this.library = null;
+
+		// color management
+		this.colors = null;
+		this.colors_assigned = {};
+		this.colors_available = null;
+
+		// the element already created by the user
+		this.element_message = null;
+
+		// the element with the chart
+		this.element_chart = null;
+
+		// the element with the legend of the chart (if created by us)
+		this.element_legend = null;
+		this.element_legend_childs = {
+			hidden: null,
+			title_date: null,
+			title_time: null,
+			title_units: null,
+			nano: null,
+			nano_options: null,
+			series: null
+		};
+
+		this.chart_url = null;						// string - the url to download chart info
+		this.chart = null;							// object - the chart as downloaded from the server
+
+		this.title = self.data('title') || null;	// the title of the chart
+		this.units = self.data('units') || null;	// the units of the chart dimensions
+		this.append_options = self.data('append-options') || null;	// the units of the chart dimensions
+
+		this.validated = false; 					// boolean - has the chart been validated?
+		this.enabled = true; 						// boolean - is the chart enabled for refresh?
+		this.paused = false;						// boolean - is the chart paused for any reason?
+		this.selected = false;						// boolean - is the chart shown a selection?
+		this.debug = false;							// boolean - console.log() debug info about this chart
+
+		this.netdata_first = 0;						// milliseconds - the first timestamp in netdata
+		this.netdata_last = 0;						// milliseconds - the last timestamp in netdata
+		this.requested_after = null;				// milliseconds - the timestamp of the request after param
+		this.requested_before = null;				// milliseconds - the timestamp of the request before param
+		this.requested_padding = null;
+		this.view_after = 0;
+		this.view_before = 0;
+
+		this.auto = {
+			name: 'auto',
+			autorefresh: true,
+			force_update_at: 0, // the timestamp to force the update at
+			force_before_ms: null,
+			force_after_ms: null
+		};
+		this.pan = {
+			name: 'pan',
+			autorefresh: false,
+			force_update_at: 0, // the timestamp to force the update at
+			force_before_ms: null,
+			force_after_ms: null
+		};
+		this.zoom = {
+			name: 'zoom',
+			autorefresh: false,
+			force_update_at: 0, // the timestamp to force the update at
+			force_before_ms: null,
+			force_after_ms: null
+		};
+
+		// this is a pointer to one of the sub-classes below
+		// auto, pan, zoom
+		this.current = this.auto;
+
+		// check the requested library is available
+		// we don't initialize it here - it will be initialized when
+		// this chart will be first used
+		if(typeof NETDATA.chartLibraries[that.library_name] === 'undefined') {
+			NETDATA.error(402, that.library_name);
+			error('chart library "' + that.library_name + '" is not found');
+			return;
+		}
+		else if(NETDATA.chartLibraries[that.library_name].enabled === false) {
+			NETDATA.error(403, that.library_name);
+			error('chart library "' + that.library_name + '" is not enabled');
+			return;
+		}
+		else
+			that.library = NETDATA.chartLibraries[that.library_name];
+
+		// milliseconds - the time the last refresh took
+		this.refresh_dt_ms = 0;
+
+		// if we need to report the rendering speed
+		// find the element that needs to be updated
+		var refresh_dt_element_name = self.data('dt-element-name') || null;	// string - the element to print refresh_dt_ms
+
+		if(refresh_dt_element_name !== null)
+			this.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null;
+		else
+			this.refresh_dt_element = null;
+
+		this.dimensions_visibility = new dimensionsVisibility(this);
+
+		this._updating = false;
+
+		// ============================================================================================================
+		// PRIVATE FUNCTIONS
+
+		var createDOM = function() {
+			if(that.enabled === false) return;
+
+			if(that.element_message !== null) that.element_message.innerHTML = '';
+			if(that.element_legend !== null) that.element_legend.innerHTML = '';
+			if(that.element_chart !== null) that.element_chart.innerHTML = '';
+
+			that.element.innerHTML = '';
+
+			that.element_message = document.createElement('div');
+			that.element_message.className = ' netdata-message hidden';
+			that.element.appendChild(that.element_message);
+
+			that.element_chart = document.createElement('div');
+			that.element_chart.id = that.library_name + '-' + that.uuid + '-chart';
+			that.element.appendChild(that.element_chart);
+
+			if(that.hasLegend() === true) {
+				that.element.className = "netdata-container-with-legend";
+				that.element_chart.className = 'netdata-chart-with-legend-right netdata-' + that.library_name + '-chart-with-legend-right';
+
+				that.element_legend = document.createElement('div');
+				that.element_legend.className = 'netdata-chart-legend netdata-' + that.library_name + '-legend';
+				that.element.appendChild(that.element_legend);
+			}
+			else {
+				that.element.className = "netdata-container";
+				that.element_chart.className = ' netdata-chart netdata-' + that.library_name + '-chart';
+
+				that.element_legend = null;
+			}
+			that.element_legend_childs.series = null;
+
+			if(typeof(that.width) === 'string')
+				$(that.element).css('width', that.width);
+			else if(typeof(that.width) === 'number')
+				$(that.element).css('width', that.width + 'px');
+
+			if(typeof(that.library.aspect_ratio) === 'undefined') {
+				if(typeof(that.height) === 'string')
+					$(that.element).css('height', that.height);
+				else if(typeof(that.height) === 'number')
+					$(that.element).css('height', that.height + 'px');
+			}
+			else {
+				var w = that.element.offsetWidth;
+				if(w === null || w === 0) {
+					// the div is hidden
+					// this is resize the chart when next viewed
+					that.tm.last_resized = 0;
+				}
+				else
+					$(that.element).css('height', (that.element.offsetWidth * that.library.aspect_ratio / 100).toString() + 'px');
+			}
+
+			if(NETDATA.chartDefaults.min_width !== null)
+				$(that.element).css('min-width', NETDATA.chartDefaults.min_width);
+
+			that.tm.last_dom_created = new Date().getTime();
+
+			showLoading();
+		}
+
+		/* init() private
+		 * initialize state viariables
+		 * destroy all (possibly) created state elements
+		 * create the basic DOM for a chart
+		 */
+		var init = function() {
+			if(that.enabled === false) return;
+
+			that.paused = false;
+			that.selected = false;
+
+			that.chart_created = false;			// boolean - is the library.create() been called?
+			that.updates_counter = 0;			// numeric - the number of refreshes made so far
+			that.updates_since_last_unhide = 0;	// numeric - the number of refreshes made since the last time the chart was unhidden
+			that.updates_since_last_creation = 0; // numeric - the number of refreshes made since the last time the chart was created
+
+			that.tm = {
+				last_initialized: 0,		// milliseconds - the timestamp it was last initialized
+				last_dom_created: 0,		// milliseconds - the timestamp its DOM was last created
+				last_mode_switch: 0,		// milliseconds - the timestamp it switched modes
+
+				last_info_downloaded: 0,	// milliseconds - the timestamp we downloaded the chart
+				last_updated: 0,			// the timestamp the chart last updated with data
+				pan_and_zoom_seq: 0,		// the sequence number of the global synchronization
+											// between chart.
+											// Used with NETDATA.globalPanAndZoom.seq
+				last_visible_check: 0,		// the time we last checked if it is visible
+				last_resized: 0,			// the time the chart was resized
+				last_hidden: 0,				// the time the chart was hidden
+				last_unhidden: 0,			// the time the chart was unhidden
+				last_autorefreshed: 0		// the time the chart was last refreshed
+			},
+
+			that.data = null;				// the last data as downloaded from the netdata server
+			that.data_url = 'invalid://';	// string - the last url used to update the chart
+			that.data_points = 0;			// number - the number of points returned from netdata
+			that.data_after = 0;			// milliseconds - the first timestamp of the data
+			that.data_before = 0;			// milliseconds - the last timestamp of the data
+			that.data_update_every = 0;		// milliseconds - the frequency to update the data
+
+			that.tm.last_initialized = new Date().getTime();
+			createDOM();
+
+			that.setMode('auto');
+		}
+
+		var maxMessageFontSize = function() {
+			// normally we want a font size, as tall as the element
+			var h = that.element_message.clientHeight;
+
+			// but give it some air, 20% let's say, or 5 pixels min
+			var lost = Math.max(h * 0.2, 5);
+			h -= lost;
+
+			// center the text, verically
+			var paddingTop = (lost - 5) / 2;
+
+			// but check the width too
+			// it should fit 10 characters in it
+			var w = that.element_message.clientWidth / 10;
+			if(h > w) {
+				paddingTop += (h - w) / 2;
+				h = w;
+			}
+
+			// and don't make it too huge
+			// 5% of the screen size is good
+			if(h > screen.height / 20) {
+				paddingTop += (h - (screen.height / 20)) / 2;
+				h = screen.height / 20;
+			}
+
+			// set it
+			that.element_message.style.fontSize = h.toString() + 'px';
+			that.element_message.style.paddingTop = paddingTop.toString() + 'px';
+		}
+
+		var showMessage = function(msg) {
+			that.element_message.className = 'netdata-message';
+			that.element_message.innerHTML = msg;
+			this.element_message.style.fontSize = 'x-small';
+			that.element_message.style.paddingTop = '0px';
+			that.___messageHidden___ = undefined;
+		}
+
+		var showMessageIcon = function(icon) {
+			that.element_message.innerHTML = icon;
+			that.element_message.className = 'netdata-message icon';
+			maxMessageFontSize();
+			that.___messageHidden___ = undefined;
+		}
+
+		var hideMessage = function() {
+			if(typeof that.___messageHidden___ === 'undefined') {
+				that.___messageHidden___ = true;
+				that.element_message.className = 'netdata-message hidden';
+			}
+		}
+
+		var showRendering = function() {
+			var icon;
+			if(that.chart !== null) {
+				if(that.chart.chart_type === 'line')
+					icon = '<i class="fa fa-line-chart"></i>';
+				else
+					icon = '<i class="fa fa-area-chart"></i>';
+			}
+			else
+				icon = '<i class="fa fa-area-chart"></i>';
+
+			showMessageIcon(icon + ' netdata');
+		}
+
+		var showLoading = function() {
+			if(that.chart_created === false) {
+				showMessageIcon('<i class="fa fa-refresh"></i> netdata');
+				return true;
+			}
+			return false;
+		}
+
+		var isHidden = function() {
+			if(typeof that.___chartIsHidden___ !== 'undefined')
+				return true;
+
+			return false;
+		}
+
+		// hide the chart, when it is not visible - called from isVisible()
+		var hideChart = function() {
+			// hide it, if it is not already hidden
+			if(isHidden() === true) return;
+
+			if(that.chart_created === true) {
+				// we should destroy it
+				if(NETDATA.options.current.destroy_on_hide === true) {
+					init();
+				}
+				else {
+					showRendering();
+					that.element_chart.style.display = 'none';
+					if(that.element_legend !== null) that.element_legend.style.display = 'none';
+					that.tm.last_hidden = new Date().getTime();
+				}
+			}
+			
+			that.___chartIsHidden___ = true;
+		}
+
+		// unhide the chart, when it is visible - called from isVisible()
+		var unhideChart = function() {
+			if(isHidden() === false) return;
+
+			that.___chartIsHidden___ = undefined;
+			that.updates_since_last_unhide = 0;
+
+			if(that.chart_created === false) {
+				// we need to re-initialize it, to show our background
+				// logo in bootstrap tabs, until the chart loads
+				init();
+			}
+			else {
+				that.tm.last_unhidden = new Date().getTime();
+				that.element_chart.style.display = '';
+				if(that.element_legend !== null) that.element_legend.style.display = '';
+				resizeChart();
+				hideMessage();
+			}
+		}
+
+		var canBeRendered = function() {
+			if(isHidden() === true || that.isVisible(true) === false)
+				return false;
+
+			return true;
+		}
+
+		// https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+		var callChartLibraryUpdateSafely = function(data) {
+			var status;
+
+			if(canBeRendered() === false)
+				return false;
+
+			if(NETDATA.options.debug.chart_errors === true)
+				status = that.library.update(that, data);
+			else {
+				try {
+					status = that.library.update(that, data);
+				}
+				catch(err) {
+					status = false;
+				}
+			}
+
+			if(status === false) {
+				error('chart failed to be updated as ' + that.library_name);
+				return false;
+			}
+
+			return true;
+		}
+
+		// https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+		var callChartLibraryCreateSafely = function(data) {
+			var status;
+
+			if(canBeRendered() === false)
+				return false;
+
+			if(NETDATA.options.debug.chart_errors === true)
+				status = that.library.create(that, data);
+			else {
+				try {
+					status = that.library.create(that, data);
+				}
+				catch(err) {
+					status = false;
+				}
+			}
+
+			if(status === false) {
+				error('chart failed to be created as ' + that.library_name);
+				return false;
+			}
+
+			that.chart_created = true;
+			that.updates_since_last_creation = 0;
+			return true;
+		}
+
+		// ----------------------------------------------------------------------------------------------------------------
+		// Chart Resize
+
+		// resizeChart() - private
+		// to be called just before the chart library to make sure that
+		// a properly sized dom is available
+		var resizeChart = function() {
+			if(that.isVisible() === true && that.tm.last_resized < NETDATA.options.last_resized) {
+				if(that.chart_created === false) return;
+
+				if(that.needsRecreation()) {
+					init();
+				}
+				else if(typeof that.library.resize === 'function') {
+					that.library.resize(that);
+
+					if(that.element_legend_childs.nano !== null && that.element_legend_childs.nano_options !== null)
+						$(that.element_legend_childs.nano).nanoScroller();
+
+					maxMessageFontSize();
+				}
+
+				that.tm.last_resized = new Date().getTime();
+			}
+		}
+
+		// this is the actual chart resize algorithm
+		// it will:
+		// - resize the entire container
+		// - update the internal states
+		// - resize the chart as the div changes height
+		// - update the scrollbar of the legend
+		var resizeChartToHeight = function(h) {
+			// console.log(h);
+			that.element.style.height = h;
+
+			if(that.settings_id !== null)
+				NETDATA.localStorageSet('chart_heights.' + that.settings_id, h);
+
+			var now = new Date().getTime();
+			NETDATA.options.last_page_scroll = now;
+			NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.stop_updates_while_resizing;
+
+			// force a resize
+			that.tm.last_resized = 0;
+			resizeChart();
+		};
+
+		this.resizeHandler = function(e) {
+			e.preventDefault();
+
+			if(typeof this.event_resize === 'undefined'
+				|| this.event_resize.chart_original_w === 'undefined'
+				|| this.event_resize.chart_original_h === 'undefined')
+				this.event_resize = {
+					chart_original_w: this.element.clientWidth,
+					chart_original_h: this.element.clientHeight,
+					last: 0
+				};
+
+			if(e.type === 'touchstart') {
+				this.event_resize.mouse_start_x = e.touches.item(0).pageX;
+				this.event_resize.mouse_start_y = e.touches.item(0).pageY;
+			}
+			else {
+				this.event_resize.mouse_start_x = e.clientX;
+				this.event_resize.mouse_start_y = e.clientY;
+			}
+
+			this.event_resize.chart_start_w = this.element.clientWidth;
+			this.event_resize.chart_start_h = this.element.clientHeight;
+			this.event_resize.chart_last_w = this.element.clientWidth;
+			this.event_resize.chart_last_h = this.element.clientHeight;
+
+			var now = new Date().getTime();
+			if(now - this.event_resize.last <= NETDATA.options.current.double_click_speed) {
+				// double click / double tap event
+
+				// the optimal height of the chart
+				// showing the entire legend
+				var optimal = this.event_resize.chart_last_h
+						+ this.element_legend_childs.content.scrollHeight
+						- this.element_legend_childs.content.clientHeight;
+
+				// if we are not optimal, be optimal
+				if(this.event_resize.chart_last_h != optimal)
+					resizeChartToHeight(optimal.toString() + 'px');
+
+				// else if we do not have the original height
+				// reset to the original height
+				else if(this.event_resize.chart_last_h != this.event_resize.chart_original_h)
+					resizeChartToHeight(this.event_resize.chart_original_h.toString() + 'px');
+			}
+			else {
+				this.event_resize.last = now;
+
+				// process movement event
+				document.onmousemove =
+				document.ontouchmove =
+				this.element_legend_childs.resize_handler.onmousemove =
+				this.element_legend_childs.resize_handler.ontouchmove =
+					function(e) {
+						var y = null;
+
+						switch(e.type) {
+							case 'mousemove': y = e.clientY; break;
+							case 'touchmove': y = e.touches.item(e.touches - 1).pageY; break;
+						}
+
+						if(y !== null) {
+							var	newH = that.event_resize.chart_start_h + y - that.event_resize.mouse_start_y;
+
+							if(newH >= 70 && newH !== that.event_resize.chart_last_h) {
+								resizeChartToHeight(newH.toString() + 'px');
+								that.event_resize.chart_last_h = newH;
+							}
+						}
+					};
+
+				// process end event
+				document.onmouseup = 
+				document.ontouchend = 
+				this.element_legend_childs.resize_handler.onmouseup =
+				this.element_legend_childs.resize_handler.ontouchend =
+					function(e) {
+						// remove all the hooks
+						document.onmouseup =
+						document.onmousemove =
+						document.ontouchmove =
+						document.ontouchend =
+						that.element_legend_childs.resize_handler.onmousemove =
+						that.element_legend_childs.resize_handler.ontouchmove =
+						that.element_legend_childs.resize_handler.onmouseout =
+						that.element_legend_childs.resize_handler.onmouseup =
+						that.element_legend_childs.resize_handler.ontouchend =
+							null;
+
+						// allow auto-refreshes
+						NETDATA.options.auto_refresher_stop_until = 0;
+					};
+			}
+		}
+
+
+		var noDataToShow = function() {
+			showMessageIcon('<i class="fa fa-warning"></i> empty');
+			that.legendUpdateDOM();
+			that.tm.last_autorefreshed = new Date().getTime();
+			// that.data_update_every = 30 * 1000;
+			//that.element_chart.style.display = 'none';
+			//if(that.element_legend !== null) that.element_legend.style.display = 'none';
+			//that.___chartIsHidden___ = true;
+		}
+
+		// ============================================================================================================
+		// PUBLIC FUNCTIONS
+
+		this.error = function(msg) {
+			error(msg);
+		}
+
+		this.setMode = function(m) {
+			if(this.current !== null && this.current.name === m) return;
+
+			if(m === 'auto')
+				this.current = this.auto;
+			else if(m === 'pan')
+				this.current = this.pan;
+			else if(m === 'zoom')
+				this.current = this.zoom;
+			else
+				this.current = this.auto;
+
+			this.current.force_update_at = 0;
+			this.current.force_before_ms = null;
+			this.current.force_after_ms = null;
+
+			this.tm.last_mode_switch = new Date().getTime();
+		}
+
+		// ----------------------------------------------------------------------------------------------------------------
+		// global selection sync
+
+		// prevent to global selection sync for some time
+		this.globalSelectionSyncDelay = function(ms) {
+			if(NETDATA.options.current.sync_selection === false)
+				return;
+
+			if(typeof ms === 'number')
+				NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + ms;
+			else
+				NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_selection_delay;
+		}
+
+		// can we globally apply selection sync?
+		this.globalSelectionSyncAbility = function() {
+			if(NETDATA.options.current.sync_selection === false)
+				return false;
+
+			if(NETDATA.globalSelectionSync.dont_sync_before > new Date().getTime())
+				return false;
+
+			return true;
+		}
+
+		this.globalSelectionSyncIsMaster = function() {
+			if(NETDATA.globalSelectionSync.state === this)
+				return true;
+			else
+				return false;
+		}
+
+		// this chart is the master of the global selection sync
+		this.globalSelectionSyncBeMaster = function() {
+			// am I the master?
+			if(this.globalSelectionSyncIsMaster()) {
+				if(this.debug === true)
+					this.log('sync: I am the master already.');
+
+				return;
+			}
+
+			if(NETDATA.globalSelectionSync.state) {
+				if(this.debug === true)
+					this.log('sync: I am not the sync master. Resetting global sync.');
+
+				this.globalSelectionSyncStop();
+			}
+
+			// become the master
+			if(this.debug === true)
+				this.log('sync: becoming sync master.');
+
+			this.selected = true;
+			NETDATA.globalSelectionSync.state = this;
+
+			// find the all slaves
+			var targets = NETDATA.options.targets;
+			var len = targets.length;
+			while(len--) {
+				st = targets[len];
+
+				if(st === this) {
+					if(this.debug === true)
+						st.log('sync: not adding me to sync');
+				}
+				else if(st.globalSelectionSyncIsEligible()) {
+					if(this.debug === true)
+						st.log('sync: adding to sync as slave');
+
+					st.globalSelectionSyncBeSlave();
+				}
+			}
+
+			// this.globalSelectionSyncDelay(100);
+		}
+
+		// can the chart participate to the global selection sync as a slave?
+		this.globalSelectionSyncIsEligible = function() {
+			if(this.enabled === true
+				&& this.library !== null
+				&& typeof this.library.setSelection === 'function'
+				&& this.isVisible() === true
+				&& this.chart_created === true)
+				return true;
+
+			return false;
+		}
+
+		// this chart becomes a slave of the global selection sync
+		this.globalSelectionSyncBeSlave = function() {
+			if(NETDATA.globalSelectionSync.state !== this)
+				NETDATA.globalSelectionSync.slaves.push(this);
+		}
+
+		// sync all the visible charts to the given time
+		// this is to be called from the chart libraries
+		this.globalSelectionSync = function(t) {
+			if(this.globalSelectionSyncAbility() === false) {
+				if(this.debug === true)
+					this.log('sync: cannot sync (yet?).');
+
+				return;
+			}
+
+			if(this.globalSelectionSyncIsMaster() === false) {
+				if(this.debug === true)
+					this.log('sync: trying to be sync master.');
+
+				this.globalSelectionSyncBeMaster();
+
+				if(this.globalSelectionSyncAbility() === false) {
+					if(this.debug === true)
+						this.log('sync: cannot sync (yet?).');
+
+					return;
+				}
+			}
+
+			NETDATA.globalSelectionSync.last_t = t;
+			$.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+				st.setSelection(t);
+			});
+		}
+
+		// stop syncing all charts to the given time
+		this.globalSelectionSyncStop = function() {
+			if(NETDATA.globalSelectionSync.slaves.length) {
+				if(this.debug === true)
+					this.log('sync: cleaning up...');
+
+				$.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+					if(st === that) {
+						if(that.debug === true)
+							st.log('sync: not adding me to sync stop');
+					}
+					else {
+						if(that.debug === true)
+							st.log('sync: removed slave from sync');
+
+						st.clearSelection();
+					}
+				});
+
+				NETDATA.globalSelectionSync.last_t = 0;
+				NETDATA.globalSelectionSync.slaves = [];
+				NETDATA.globalSelectionSync.state = null;
+			}
+
+			this.clearSelection();
+		}
+
+		this.setSelection = function(t) {
+			if(typeof this.library.setSelection === 'function') {
+				if(this.library.setSelection(this, t) === true)
+					this.selected = true;
+				else
+					this.selected = false;
+			}
+			else this.selected = true;
+
+			if(this.selected === true && this.debug === true)
+				this.log('selection set to ' + t.toString());
+
+			return this.selected;
+		}
+
+		this.clearSelection = function() {
+			if(this.selected === true) {
+				if(typeof this.library.clearSelection === 'function') {
+					if(this.library.clearSelection(this) === true)
+						this.selected = false;
+					else
+						this.selected = true;
+				}
+				else this.selected = false;
+
+				if(this.selected === false && this.debug === true)
+					this.log('selection cleared');
+
+				this.legendReset();
+			}
+
+			return this.selected;
+		}
+
+		// find if a timestamp (ms) is shown in the current chart
+		this.timeIsVisible = function(t) {
+			if(t >= this.data_after && t <= this.data_before)
+				return true;
+			return false;
+		},
+
+		this.calculateRowForTime = function(t) {
+			if(this.timeIsVisible(t) === false) return -1;
+			return Math.floor((t - this.data_after) / this.data_update_every);
+		}
+
+		// ----------------------------------------------------------------------------------------------------------------
+
+		// console logging
+		this.log = function(msg) {
+			console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
+		}
+
+		this.pauseChart = function() {
+			if(this.paused === false) {
+				if(this.debug === true)
+					this.log('pauseChart()');
+
+				this.paused = true;
+			}
+		}
+
+		this.unpauseChart = function() {
+			if(this.paused === true) {
+				if(this.debug === true)
+					this.log('unpauseChart()');
+
+				this.paused = false;
+			}
+		}
+
+		this.resetChart = function(dont_clear_master, dont_update) {
+			if(this.debug === true)
+				this.log('resetChart(' + dont_clear_master + ', ' + dont_update + ') called');
+
+			if(typeof dont_clear_master === 'undefined')
+				dont_clear_master = false;
+
+			if(typeof dont_update === 'undefined')
+				dont_update = false;
+
+			if(dont_clear_master !== true && NETDATA.globalPanAndZoom.isMaster(this) === true) {
+				if(this.debug === true)
+					this.log('resetChart() diverting to clearMaster().');
+				// this will call us back with master === true
+				NETDATA.globalPanAndZoom.clearMaster();
+				return;
+			}
+
+			this.clearSelection();
+
+			this.tm.pan_and_zoom_seq = 0;
+
+			this.setMode('auto');
+			this.current.force_update_at = 0;
+			this.current.force_before_ms = null;
+			this.current.force_after_ms = null;
+			this.tm.last_autorefreshed = 0;
+			this.paused = false;
+			this.selected = false;
+			this.enabled = true;
+			// this.debug = false;
+
+			// do not update the chart here
+			// or the chart will flip-flop when it is the master
+			// of a selection sync and another chart becomes
+			// the new master
+
+			if(dont_update !== true && this.isVisible() === true) {
+				this.updateChart();
+			}
+		}
+
+		this.updateChartPanOrZoom = function(after, before) {
+			var logme = 'updateChartPanOrZoom(' + after + ', ' + before + '): ';
+			var ret = true;
+
+			if(this.debug === true)
+				this.log(logme);
+
+			if(before < after) {
+				this.log(logme + 'flipped parameters, rejecting it.');
+				return false;
+			}
+
+			if(typeof this.fixed_min_duration === 'undefined')
+				this.fixed_min_duration = Math.round((this.chartWidth() / 30) * this.chart.update_every * 1000);
+			
+			var min_duration = this.fixed_min_duration;
+			var current_duration = Math.round(this.view_before - this.view_after);
+
+			// round the numbers
+			after = Math.round(after);
+			before = Math.round(before);
+
+			// align them to update_every
+			// stretching them further away
+			after -= after % this.data_update_every;
+			before += this.data_update_every - (before % this.data_update_every);
+
+			// the final wanted duration
+			var wanted_duration = before - after;
+			
+			// to allow panning, accept just a point below our minimum
+			if((current_duration - this.data_update_every) < min_duration)
+				min_duration = current_duration - this.data_update_every;
+
+			// we do it, but we adjust to minimum size and return false
+			// when the wanted size is below the current and the minimum
+			// and we zoom
+			if(wanted_duration < current_duration && wanted_duration < min_duration) {
+				if(this.debug === true)
+					this.log(logme + 'too small: min_duration: ' + (min_duration / 1000).toString() + ', wanted: ' + (wanted_duration / 1000).toString());
+
+				min_duration = this.fixed_min_duration;
+
+				var dt = (min_duration - wanted_duration) / 2;
+				before += dt;
+				after -= dt;
+				wanted_duration = before - after;
+				ret = false;
+			}
+
+			var tolerance = this.data_update_every * 2;
+			var movement = Math.abs(before - this.view_before);
+
+			if(Math.abs(current_duration - wanted_duration) <= tolerance && movement <= tolerance && ret === true) {
+				if(this.debug === true)
+					this.log(logme + 'REJECTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + false);
+				return false;
+			}
+
+			if(this.current.name === 'auto') {
+				this.log(logme + 'caller called me with mode: ' + this.current.name);
+				this.setMode('pan');
+			}
+
+			if(this.debug === true)
+				this.log(logme + 'ACCEPTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + ret);
+
+			this.current.force_update_at = new Date().getTime() + NETDATA.options.current.pan_and_zoom_delay;
+			this.current.force_after_ms = after;
+			this.current.force_before_ms = before;
+			NETDATA.globalPanAndZoom.setMaster(this, after, before);
+			return ret;
+		}
+
+		this.legendFormatValue = function(value) {
+			if(value === null || value === 'undefined') return '-';
+			if(typeof value !== 'number') return value;
+
+			var abs = Math.abs(value);
+			if(abs >= 1000) return (Math.round(value)).toLocaleString();
+			if(abs >= 100 ) return (Math.round(value * 10) / 10).toLocaleString();
+			if(abs >= 1   ) return (Math.round(value * 100) / 100).toLocaleString();
+			if(abs >= 0.1 ) return (Math.round(value * 1000) / 1000).toLocaleString();
+			return (Math.round(value * 10000) / 10000).toLocaleString();
+		}
+
+		this.legendSetLabelValue = function(label, value) {
+			var series = this.element_legend_childs.series[label];
+			if(typeof series === 'undefined') return;
+			if(series.value === null && series.user === null) return;
+
+			// if the value has not changed, skip DOM update
+			//if(series.last === value) return;
+
+			var s, r;
+			if(typeof value === 'number') {
+				var v = Math.abs(value);
+				s = r = this.legendFormatValue(value);
+
+				if(typeof series.last === 'number') {
+					if(v > series.last) s += '<i class="fa fa-angle-up" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+					else if(v < series.last) s += '<i class="fa fa-angle-down" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+					else s += '<i class="fa fa-angle-left" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+				}
+				else s += '<i class="fa fa-angle-right" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+				series.last = v;
+			}
+			else {
+				s = r = value;
+				series.last = value;
+			}
+
+			if(series.value !== null) series.value.innerHTML = s;
+			if(series.user !== null) series.user.innerHTML = r;
+		}
+
+		this.legendSetDate = function(ms) {
+			if(typeof ms !== 'number') {
+				this.legendShowUndefined();
+				return;
+			}
+
+			var d = new Date(ms);
+
+			if(this.element_legend_childs.title_date)
+				this.element_legend_childs.title_date.innerHTML = d.toLocaleDateString();
+
+			if(this.element_legend_childs.title_time)
+				this.element_legend_childs.title_time.innerHTML = d.toLocaleTimeString();
+
+			if(this.element_legend_childs.title_units)
+				this.element_legend_childs.title_units.innerHTML = this.units;
+		}
+
+		this.legendShowUndefined = function() {
+			if(this.element_legend_childs.title_date)
+				this.element_legend_childs.title_date.innerHTML = '&nbsp;';
+
+			if(this.element_legend_childs.title_time)
+				this.element_legend_childs.title_time.innerHTML = this.chart.name;
+
+			if(this.element_legend_childs.title_units)
+				this.element_legend_childs.title_units.innerHTML = '&nbsp;';
+
+			if(this.data && this.element_legend_childs.series !== null) {
+				var labels = this.data.dimension_names;
+				var i = labels.length;
+				while(i--) {
+					var label = labels[i];
+
+					if(typeof label === 'undefined') continue;
+					if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
+					this.legendSetLabelValue(label, null);
+				}
+			}
+		}
+
+		this.legendShowLatestValues = function() {
+			if(this.chart === null) return;
+			if(this.selected) return;
+
+			if(this.data === null || this.element_legend_childs.series === null) {
+				this.legendShowUndefined();
+				return;
+			}
+
+			var show_undefined = true;
+			if(Math.abs(this.netdata_last - this.view_before) <= this.data_update_every)
+				show_undefined = false;
+
+			if(show_undefined) {
+				this.legendShowUndefined();
+				return;
+			}
+
+			this.legendSetDate(this.view_before);
+
+			var labels = this.data.dimension_names;
+			var i = labels.length;
+			while(i--) {
+				var label = labels[i];
+
+				if(typeof label === 'undefined') continue;
+				if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
+
+				if(show_undefined)
+					this.legendSetLabelValue(label, null);
+				else
+					this.legendSetLabelValue(label, this.data.view_latest_values[i]);
+			}
+		}
+
+		this.legendReset = function() {
+			this.legendShowLatestValues();
+		}
+
+		// this should be called just ONCE per dimension per chart
+		this._chartDimensionColor = function(label) {
+			if(this.colors === null) this.chartColors();
+
+			if(typeof this.colors_assigned[label] === 'undefined') {
+				if(this.colors_available.length === 0) {
+					for(var i = 0, len = NETDATA.themes.current.colors.length; i < len ; i++)
+						this.colors_available.push(NETDATA.themes.current.colors[i]);
+				}
+
+				this.colors_assigned[label] = this.colors_available.shift();
+
+				if(this.debug === true)
+					this.log('label "' + label + '" got color "' + this.colors_assigned[label]);
+			}
+			else {
+				if(this.debug === true)
+					this.log('label "' + label + '" already has color "' + this.colors_assigned[label] + '"');
+			}
+
+			this.colors.push(this.colors_assigned[label]);
+			return this.colors_assigned[label];
+		}
+
+		this.chartColors = function() {
+			if(this.colors !== null) return this.colors;
+
+			this.colors = new Array();
+			this.colors_available = new Array();
+
+			var c = $(this.element).data('colors');
+			// this.log('read colors: ' + c);
+			if(typeof c !== 'undefined' && c !== null && c.length > 0) {
+				if(typeof c !== 'string') {
+					this.log('invalid color given: ' + c + ' (give a space separated list of colors)');
+				}
+				else {
+					c = c.split(' ');
+					var added = 0;
+
+					while(added < 20) {
+						for(var i = 0, len = c.length; i < len ; i++) {
+							added++;
+							this.colors_available.push(c[i]);
+							// this.log('adding color: ' + c[i]);
+						}
+					}
+				}
+			}
+
+			// push all the standard colors too
+			for(var i = 0, len = NETDATA.themes.current.colors.length; i < len ; i++)
+				this.colors_available.push(NETDATA.themes.current.colors[i]);
+
+			return this.colors;
+		}
+
+		this.legendUpdateDOM = function() {
+			var needed = false;
+
+			// check that the legend DOM is up to date for the downloaded dimensions
+			if(typeof this.element_legend_childs.series !== 'object' || this.element_legend_childs.series === null) {
+				// this.log('the legend does not have any series - requesting legend update');
+				needed = true;
+			}
+			else if(this.data === null) {
+				// this.log('the chart does not have any data - requesting legend update');
+				needed = true;
+			}
+			else if(typeof this.element_legend_childs.series.labels_key === 'undefined') {
+				needed = true;
+			}
+			else {
+				var labels = this.data.dimension_names.toString();
+				if(labels !== this.element_legend_childs.series.labels_key) {
+					needed = true;
+
+					if(this.debug === true)
+						this.log('NEW LABELS: "' + labels + '" NOT EQUAL OLD LABELS: "' + this.element_legend_childs.series.labels_key + '"');
+				}
+			}
+
+			if(needed === false) {
+				// make sure colors available
+				this.chartColors();
+
+				// do we have to update the current values?
+				// we do this, only when the visible chart is current
+				if(Math.abs(this.netdata_last - this.view_before) <= this.data_update_every) {
+					if(this.debug === true)
+						this.log('chart is in latest position... updating values on legend...');
+
+					//var labels = this.data.dimension_names;
+					//var i = labels.length;
+					//while(i--)
+					//	this.legendSetLabelValue(labels[i], this.data.latest_values[i]);
+				}
+				return;
+			}
+			if(this.colors === null) {
+				// this is the first time we update the chart
+				// let's assign colors to all dimensions
+				if(this.library.track_colors() === true)
+					for(var dim in this.chart.dimensions)
+						this._chartDimensionColor(this.chart.dimensions[dim].name);
+			}
+			// we will re-generate the colors for the chart
+			// based on the selected dimensions
+			this.colors = null;
+
+			if(this.debug === true)
+				this.log('updating Legend DOM');
+
+			// mark all dimensions as invalid
+			this.dimensions_visibility.invalidateAll();
+
+			var genLabel = function(state, parent, name, count) {
+				var color = state._chartDimensionColor(name);
+
+				var user_element = null;
+				var user_id = self.data('show-value-of-' + name + '-at') || null;
+				if(user_id !== null) {
+					user_element = document.getElementById(user_id) || null;
+					if(user_element === null)
+						me.log('Cannot find element with id: ' + user_id);
+				}
+
+				state.element_legend_childs.series[name] = {
+					name: document.createElement('span'),
+					value: document.createElement('span'),
+					user: user_element,
+					last: null
+				};
+
+				var label = state.element_legend_childs.series[name];
+
+				// create the dimension visibility tracking for this label
+				state.dimensions_visibility.dimensionAdd(name, label.name, label.value, color);
+
+				var rgb = NETDATA.colorHex2Rgb(color);
+				label.name.innerHTML = '<table class="netdata-legend-name-table-'
+					+ state.chart.chart_type
+					+ '" style="background-color: '
+					+ 'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + NETDATA.options.current['color_fill_opacity_' + state.chart.chart_type] + ')'
+					+ '"><tr class="netdata-legend-name-tr"><td class="netdata-legend-name-td"></td></tr></table>'
+
+				var text = document.createTextNode(' ' + name);
+				label.name.appendChild(text);
+
+				if(count > 0)
+					parent.appendChild(document.createElement('br'));
+
+				parent.appendChild(label.name);
+				parent.appendChild(label.value);
+			};
+
+			var content = document.createElement('div');
+
+			if(this.hasLegend()) {
+				this.element_legend_childs = {
+					content: content,
+					resize_handler: document.createElement('div'),
+					title_date: document.createElement('span'),
+					title_time: document.createElement('span'),
+					title_units: document.createElement('span'),
+					nano: document.createElement('div'),
+					nano_options: {
+						paneClass: 'netdata-legend-series-pane',
+						sliderClass: 'netdata-legend-series-slider',
+						contentClass: 'netdata-legend-series-content',
+						enabledClass: '__enabled',
+						flashedClass: '__flashed',
+						activeClass: '__active',
+						tabIndex: -1,
+						alwaysVisible: true,
+						sliderMinHeight: 10
+					},
+					series: {}
+				};
+
+				this.element_legend.innerHTML = '';
+
+				this.element_legend_childs.resize_handler.className += " netdata-legend-resize-handler";
+				this.element_legend_childs.resize_handler.innerHTML = '<i class="fa fa-chevron-up"></i><i class="fa fa-chevron-down"></i>';
+				this.element.appendChild(this.element_legend_childs.resize_handler);
+
+				// mousedown event
+				this.element_legend_childs.resize_handler.onmousedown =
+					function(e) {
+						that.resizeHandler(e);
+					};
+
+				// touchstart event
+				this.element_legend_childs.resize_handler.addEventListener('touchstart', function(e) {
+					that.resizeHandler(e);
+				}, false);
+
+				this.element_legend_childs.title_date.className += " netdata-legend-title-date";
+				this.element_legend.appendChild(this.element_legend_childs.title_date);
+
+				this.element_legend.appendChild(document.createElement('br'));
+
+				this.element_legend_childs.title_time.className += " netdata-legend-title-time";
+				this.element_legend.appendChild(this.element_legend_childs.title_time);
+
+				this.element_legend.appendChild(document.createElement('br'));
+
+				this.element_legend_childs.title_units.className += " netdata-legend-title-units";
+				this.element_legend.appendChild(this.element_legend_childs.title_units);
+
+				this.element_legend.appendChild(document.createElement('br'));
+
+				this.element_legend_childs.nano.className = 'netdata-legend-series';
+				this.element_legend.appendChild(this.element_legend_childs.nano);
+
+				content.className = 'netdata-legend-series-content';
+				this.element_legend_childs.nano.appendChild(content);
+			}
+			else {
+				this.element_legend_childs = {
+					content: content,
+					resize_handler: null,
+					title_date: null,
+					title_time: null,
+					title_units: null,
+					nano: null,
+					nano_options: null,
+					series: {}
+				};
+			}
+
+			if(this.data) {
+				this.element_legend_childs.series.labels_key = this.data.dimension_names.toString();
+				if(this.debug === true)
+					this.log('labels from data: "' + this.element_legend_childs.series.labels_key + '"');
+
+				for(var i = 0, len = this.data.dimension_names.length; i < len ;i++) {
+					genLabel(this, content, this.data.dimension_names[i], i);
+				}
+			}
+			else {
+				var tmp = new Array();
+				for(var dim in this.chart.dimensions) {
+					tmp.push(this.chart.dimensions[dim].name);
+					genLabel(this, content, this.chart.dimensions[dim].name, i);
+				}
+				this.element_legend_childs.series.labels_key = tmp.toString();
+				if(this.debug === true)
+					this.log('labels from chart: "' + this.element_legend_childs.series.labels_key + '"');
+			}
+
+			// create a hidden div to be used for hidding
+			// the original legend of the chart library
+			var el = document.createElement('div');
+			if(this.element_legend !== null)
+				this.element_legend.appendChild(el);
+			el.style.display = 'none';
+
+			this.element_legend_childs.hidden = document.createElement('div');
+			el.appendChild(this.element_legend_childs.hidden);
+
+			if(this.element_legend_childs.nano !== null && this.element_legend_childs.nano_options !== null)
+				$(this.element_legend_childs.nano).nanoScroller(this.element_legend_childs.nano_options);
+
+			this.legendShowLatestValues();
+		}
+
+		this.hasLegend = function() {
+			if(typeof this.___hasLegendCache___ !== 'undefined')
+				return this.___hasLegendCache___;
+
+			var leg = false;
+			if(this.library && this.library.legend(this) === 'right-side') {
+				var legend = $(this.element).data('legend') || 'yes';
+				if(legend === 'yes') leg = true;
+			}
+
+			this.___hasLegendCache___ = leg;
+			return leg;
+		}
+
+		this.legendWidth = function() {
+			return (this.hasLegend())?140:0;
+		}
+
+		this.legendHeight = function() {
+			return $(this.element).height();
+		}
+
+		this.chartWidth = function() {
+			return $(this.element).width() - this.legendWidth();
+		}
+
+		this.chartHeight = function() {
+			return $(this.element).height();
+		}
+
+		this.chartPixelsPerPoint = function() {
+			// force an options provided detail
+			var px = this.pixels_per_point;
+
+			if(this.library && px < this.library.pixels_per_point(this))
+				px = this.library.pixels_per_point(this);
+
+			if(px < NETDATA.options.current.pixels_per_point)
+				px = NETDATA.options.current.pixels_per_point;
+
+			return px;
+		}
+
+		this.needsRecreation = function() {
+			return (
+					this.chart_created === true
+					&& this.library
+					&& this.library.autoresize() === false
+					&& this.tm.last_resized < NETDATA.options.last_resized
+				);
+		}
+
+		this.chartURL = function() {
+			var after, before, points_multiplier = 1;
+			if(NETDATA.globalPanAndZoom.isActive() && NETDATA.globalPanAndZoom.isMaster(this) === false) {
+				this.tm.pan_and_zoom_seq = NETDATA.globalPanAndZoom.seq;
+
+				after = Math.round(NETDATA.globalPanAndZoom.force_after_ms / 1000);
+				before = Math.round(NETDATA.globalPanAndZoom.force_before_ms / 1000);
+				this.view_after = after * 1000;
+				this.view_before = before * 1000;
+
+				this.requested_padding = null;
+				points_multiplier = 1;
+			}
+			else if(this.current.force_before_ms !== null && this.current.force_after_ms !== null) {
+				this.tm.pan_and_zoom_seq = 0;
+
+				before = Math.round(this.current.force_before_ms / 1000);
+				after  = Math.round(this.current.force_after_ms / 1000);
+				this.view_after = after * 1000;
+				this.view_before = before * 1000;
+
+				if(NETDATA.options.current.pan_and_zoom_data_padding === true) {
+					this.requested_padding = Math.round((before - after) / 2);
+					after -= this.requested_padding;
+					before += this.requested_padding;
+					this.requested_padding *= 1000;
+					points_multiplier = 2;
+				}
+
+				this.current.force_before_ms = null;
+				this.current.force_after_ms = null;
+			}
+			else {
+				this.tm.pan_and_zoom_seq = 0;
+
+				before = this.before;
+				after  = this.after;
+				this.view_after = after * 1000;
+				this.view_before = before * 1000;
+
+				this.requested_padding = null;
+				points_multiplier = 1;
+			}
+
+			this.requested_after = after * 1000;
+			this.requested_before = before * 1000;
+
+			this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+
+			// build the data URL
+			this.data_url = this.host + this.chart.data_url;
+			this.data_url += "&format="  + this.library.format();
+			this.data_url += "&points="  + (this.data_points * points_multiplier).toString();
+			this.data_url += "&group="   + this.method;
+			this.data_url += "&options=" + this.library.options(this);
+			this.data_url += '|jsonwrap';
+
+			if(NETDATA.options.current.eliminate_zero_dimensions === true)
+				this.data_url += '|nonzero';
+
+			if(this.append_options !== null)
+				this.data_url += '|' + this.append_options.toString();
+
+			if(after)
+				this.data_url += "&after="  + after.toString();
+
+			if(before)
+				this.data_url += "&before=" + before.toString();
+
+			if(this.dimensions)
+				this.data_url += "&dimensions=" + this.dimensions;
+
+			if(NETDATA.options.debug.chart_data_url === true || this.debug === true)
+				this.log('chartURL(): ' + this.data_url + ' WxH:' + this.chartWidth() + 'x' + this.chartHeight() + ' points: ' + this.data_points + ' library: ' + this.library_name);
+		}
+
+		this.redrawChart = function() {
+			if(this.data !== null)
+				this.updateChartWithData(this.data);
+		}
+
+		this.updateChartWithData = function(data) {
+			if(this.debug === true)
+				this.log('updateChartWithData() called.');
+
+			this._updating = false;
+
+			// this may force the chart to be re-created
+			resizeChart();
+
+			this.data = data;
+			this.updates_counter++;
+			this.updates_since_last_unhide++;
+			this.updates_since_last_creation++;
+
+			var started = new Date().getTime();
+
+			// if the result is JSON, find the latest update-every
+			this.data_update_every = data.view_update_every * 1000;
+			this.data_after = data.after * 1000;
+			this.data_before = data.before * 1000;
+			this.netdata_first = data.first_entry * 1000;
+			this.netdata_last = data.last_entry * 1000;
+			this.data_points = data.points;
+			data.state = this;
+
+			if(NETDATA.options.current.pan_and_zoom_data_padding === true && this.requested_padding !== null) {
+				if(this.view_after < this.data_after) {
+					// console.log('adusting view_after from ' + this.view_after + ' to ' + this.data_after);
+					this.view_after = this.data_after;
+				}
+				
+				if(this.view_before > this.data_before) {
+					// console.log('adusting view_before from ' + this.view_before + ' to ' + this.data_before);
+					this.view_before = this.data_before;
+				}
+			}
+			else {
+				this.view_after = this.data_after;
+				this.view_before = this.data_before;
+			}
+
+			if(this.debug === true) {
+				this.log('UPDATE No ' + this.updates_counter + ' COMPLETED');
+
+				if(this.current.force_after_ms)
+					this.log('STATUS: forced    : ' + (this.current.force_after_ms / 1000).toString() + ' - ' + (this.current.force_before_ms / 1000).toString());
+				else
+					this.log('STATUS: forced    : unset');
+
+				this.log('STATUS: requested : ' + (this.requested_after / 1000).toString() + ' - ' + (this.requested_before / 1000).toString());
+				this.log('STATUS: downloaded: ' + (this.data_after / 1000).toString() + ' - ' + (this.data_before / 1000).toString());
+				this.log('STATUS: rendered  : ' + (this.view_after / 1000).toString() + ' - ' + (this.view_before / 1000).toString());
+				this.log('STATUS: points    : ' + (this.data_points).toString());
+			}
+
+			if(this.data_points === 0) {
+				noDataToShow();
+				return;
+			}
+
+			if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) {
+				if(this.debug === true)
+					this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.');
+
+				this.chart_created = false;
+			}
+
+			// check and update the legend
+			this.legendUpdateDOM();
+
+			if(this.chart_created === true
+				&& typeof this.library.update === 'function') {
+
+				if(this.debug === true)
+					this.log('updating chart...');
+
+				if(callChartLibraryUpdateSafely(data) === false)
+					return;
+			}
+			else {
+				if(this.debug === true)
+					this.log('creating chart...');
+
+				if(callChartLibraryCreateSafely(data) === false)
+					return;
+			}
+			hideMessage();
+			this.legendShowLatestValues();
+			if(this.selected === true)
+				NETDATA.globalSelectionSync.stop();
+
+			// update the performance counters
+			var now = new Date().getTime();
+			this.tm.last_updated = now;
+
+			// don't update last_autorefreshed if this chart is
+			// forced to be updated with global PanAndZoom
+			if(NETDATA.globalPanAndZoom.isActive())
+				this.tm.last_autorefreshed = 0;
+			else {
+				if(NETDATA.options.current.parallel_refresher === true && NETDATA.options.current.concurrent_refreshes)
+					this.tm.last_autorefreshed = Math.round(now / this.data_update_every) * this.data_update_every;
+				else
+					this.tm.last_autorefreshed = now;
+			}
+
+			this.refresh_dt_ms = now - started;
+			NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms;
+
+			if(this.refresh_dt_element !== null)
+				this.refresh_dt_element.innerHTML = this.refresh_dt_ms.toString();
+		}
+
+		this.updateChart = function(callback) {
+			if(this.debug === true)
+				this.log('updateChart() called.');
+
+			if(this._updating === true) {
+				if(this.debug === true)
+					this.log('I am already updating...');
+
+				if(typeof callback === 'function') callback();
+				return false;
+			}
+
+			// due to late initialization of charts and libraries
+			// we need to check this too
+			if(this.enabled === false) {
+				if(this.debug === true)
+					this.log('I am not enabled');
+
+				if(typeof callback === 'function') callback();
+				return false;
+			}
+
+			if(canBeRendered() === false) {
+				if(typeof callback === 'function') callback();
+				return false;
+			}
+
+			if(this.chart === null) {
+				this.getChart(function() { that.updateChart(callback); });
+				return false;
+			}
+
+			if(this.library.initialized === false) {
+				if(this.library.enabled === true) {
+					this.library.initialize(function() { that.updateChart(callback); });
+					return false;
+				}
+				else {
+					error('chart library "' + this.library_name + '" is not available.');
+					if(typeof callback === 'function') callback();
+					return false;
+				}
+			}
+
+			this.clearSelection();
+			this.chartURL();
+
+			if(this.debug === true)
+				this.log('updating from ' + this.data_url);
+
+			this._updating = true;
+
+			this.xhr = $.ajax( {
+				url: this.data_url,
+				crossDomain: NETDATA.options.crossDomainAjax,
+				cache: false,
+				async: true
+			})
+			.success(function(data) {
+				if(that.debug === true)
+					that.log('data received. updating chart.');
+
+				that.updateChartWithData(data);
+			})
+			.fail(function() {
+				error('data download failed for url: ' + that.data_url);
+			})
+			.always(function() {
+				this._updating = false;
+				if(typeof callback === 'function') callback();
+			});
+
+			return true;
+		}
+
+		this.isVisible = function(nocache) {
+			if(typeof nocache === 'undefined')
+				nocache = false;
+
+			// this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll);
+
+			// caching - we do not evaluate the charts visibility
+			// if the page has not been scrolled since the last check
+			if(nocache === false && this.tm.last_visible_check > NETDATA.options.last_page_scroll)
+				return this.___isVisible___;
+
+			this.tm.last_visible_check = new Date().getTime();
+
+			var wh = window.innerHeight;
+			var x = this.element.getBoundingClientRect();
+			var ret = 0;
+			var tolerance = 0;
+
+			if(x.width === 0 || x.height === 0) {
+				hideChart();
+				this.___isVisible___ = false;
+				return this.___isVisible___;
+			}
+
+			if(x.top < 0 && -x.top > x.height) {
+				// the chart is entirely above
+				ret = -x.top - x.height;
+			}
+			else if(x.top > wh) {
+				// the chart is entirely below
+				ret = x.top - wh;
+			}
+
+			if(ret > tolerance) {
+				// the chart is too far
+
+				hideChart();
+				this.___isVisible___ = false;
+				return this.___isVisible___;
+			}
+			else {
+				// the chart is inside or very close
+
+				unhideChart();
+				this.___isVisible___ = true;
+				return this.___isVisible___;
+			}
+		}
+
+		this.isAutoRefreshed = function() {
+			return (this.current.autorefresh);
+		}
+
+		this.canBeAutoRefreshed = function() {
+			now = new Date().getTime();
+
+			if(this.enabled === false) {
+				if(this.debug === true)
+					this.log('I am not enabled');
+
+				return false;
+			}
+
+			if(this.library === null || this.library.enabled === false) {
+				error('charting library "' + this.library_name + '" is not available');
+				if(this.debug === true)
+					this.log('My chart library ' + this.library_name + ' is not available');
+
+				return false;
+			}
+
+			if(this.isVisible() === false) {
+				if(NETDATA.options.debug.visibility === true || this.debug === true)
+					this.log('I am not visible');
+
+				return false;
+			}
+
+			if(this.current.force_update_at !== 0 && this.current.force_update_at < now) {
+				if(this.debug === true)
+					this.log('timed force update detected - allowing this update');
+
+				this.current.force_update_at = 0;
+				return true;
+			}
+
+			if(this.isAutoRefreshed() === true) {
+				// allow the first update, even if the page is not visible
+				if(this.updates_counter && this.updates_since_last_unhide && NETDATA.options.page_is_visible === false) {
+					if(NETDATA.options.debug.focus === true || this.debug === true)
+						this.log('canBeAutoRefreshed(): page does not have focus');
+
+					return false;
+				}
+
+				if(this.needsRecreation() === true) {
+					if(this.debug === true)
+						this.log('canBeAutoRefreshed(): needs re-creation.');
+
+					return true;
+				}
+
+				// options valid only for autoRefresh()
+				if(NETDATA.options.auto_refresher_stop_until === 0 || NETDATA.options.auto_refresher_stop_until < now) {
+					if(NETDATA.globalPanAndZoom.isActive()) {
+						if(NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) {
+							if(this.debug === true)
+								this.log('canBeAutoRefreshed(): global panning: I need an update.');
+
+							return true;
+						}
+						else {
+							if(this.debug === true)
+								this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
+
+							return false;
+						}
+					}
+
+					if(this.selected === true) {
+						if(this.debug === true)
+							this.log('canBeAutoRefreshed(): I have a selection in place.');
+
+						return false;
+					}
+
+					if(this.paused === true) {
+						if(this.debug === true)
+							this.log('canBeAutoRefreshed(): I am paused.');
+
+						return false;
+					}
+
+					if(now - this.tm.last_autorefreshed >= this.data_update_every) {
+						if(this.debug === true)
+							this.log('canBeAutoRefreshed(): It is time to update me.');
+
+						return true;
+					}
+				}
+			}
+
+			return false;
+		}
+
+		this.autoRefresh = function(callback) {
+			if(this.canBeAutoRefreshed() === true) {
+				this.updateChart(callback);
+			}
+			else {
+				if(typeof callback !== 'undefined')
+					callback();
+			}
+		}
+
+		this._defaultsFromDownloadedChart = function(chart) {
+			this.chart = chart;
+			this.chart_url = chart.url;
+			this.data_update_every = chart.update_every * 1000;
+			this.data_points = Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+			this.tm.last_info_downloaded = new Date().getTime();
+
+			if(this.title === null)
+				this.title = chart.title;
+
+			if(this.units === null)
+				this.units = chart.units;
+		}
+
+		// fetch the chart description from the netdata server
+		this.getChart = function(callback) {
+			this.chart = NETDATA.chartRegistry.get(this.host, this.id);
+			if(this.chart) {
+				this._defaultsFromDownloadedChart(this.chart);
+				if(typeof callback === 'function') callback();
+			}
+			else {
+				this.chart_url = "/api/v1/chart?chart=" + this.id;
+
+				if(this.debug === true)
+					this.log('downloading ' + this.chart_url);
+
+				$.ajax( {
+					url:  this.host + this.chart_url,
+					crossDomain: NETDATA.options.crossDomainAjax,
+					cache: false,
+					async: true
+				})
+				.done(function(chart) {
+					chart.url = that.chart_url;
+					that._defaultsFromDownloadedChart(chart);
+					NETDATA.chartRegistry.add(that.host, that.id, chart);
+				})
+				.fail(function() {
+					NETDATA.error(404, that.chart_url);
+					error('chart not found on url "' + that.chart_url + '"');
+				})
+				.always(function() {
+					if(typeof callback === 'function') callback();
+				});
+			}
+		}
+
+		// ============================================================================================================
+		// INITIALIZATION
+
+		init();
+	}
+
+	NETDATA.resetAllCharts = function(state) {
+		// first clear the global selection sync
+		// to make sure no chart is in selected state
+		state.globalSelectionSyncStop();
+
+		// there are 2 possibilities here
+		// a. state is the global Pan and Zoom master
+		// b. state is not the global Pan and Zoom master
+		var master = true;
+		if(NETDATA.globalPanAndZoom.isMaster(state) === false)
+			master = false;
+
+		// clear the global Pan and Zoom
+		// this will also refresh the master
+		// and unblock any charts currently mirroring the master
+		NETDATA.globalPanAndZoom.clearMaster();
+
+		// if we were not the master, reset our status too
+		// this is required because most probably the mouse
+		// is over this chart, blocking it from autorefreshing
+		if(master === false && (state.paused === true || state.selected === true))
+			state.resetChart();
+	}
+
+	// get or create a chart state, given a DOM element
+	NETDATA.chartState = function(element) {
+		var state = $(element).data('netdata-state-object') || null;
+		if(state === null) {
+			state = new chartState(element);
+			$(element).data('netdata-state-object', state);
+		}
+		return state;
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// Library functions
+
+	// Load a script without jquery
+	// This is used to load jquery - after it is loaded, we use jquery
+	NETDATA._loadjQuery = function(callback) {
+		if(typeof jQuery === 'undefined') {
+			if(NETDATA.options.debug.main_loop === true)
+				console.log('loading ' + NETDATA.jQuery);
+
+			var script = document.createElement('script');
+			script.type = 'text/javascript';
+			script.async = true;
+			script.src = NETDATA.jQuery;
+
+			// script.onabort = onError;
+			script.onerror = function(err, t) { NETDATA.error(101, NETDATA.jQuery); };
+			if(typeof callback === "function")
+				script.onload = callback;
+
+			var s = document.getElementsByTagName('script')[0];
+			s.parentNode.insertBefore(script, s);
+		}
+		else if(typeof callback === "function")
+			callback();
+	}
+
+	NETDATA._loadCSS = function(filename) {
+		// don't use jQuery here
+		// styles are loaded before jQuery
+		// to eliminate showing an unstyled page to the user
+
+		var fileref = document.createElement("link");
+		fileref.setAttribute("rel", "stylesheet");
+		fileref.setAttribute("type", "text/css");
+		fileref.setAttribute("href", filename);
+
+		if (typeof fileref !== 'undefined')
+			document.getElementsByTagName("head")[0].appendChild(fileref);
+	}
+
+	NETDATA.colorHex2Rgb = function(hex) {
+		// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
+		var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
+			hex = hex.replace(shorthandRegex, function(m, r, g, b) {
+			return r + r + g + g + b + b;
+		});
+
+		var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
+		return result ? {
+			r: parseInt(result[1], 16),
+			g: parseInt(result[2], 16),
+			b: parseInt(result[3], 16)
+		} : null;
+	}
+
+	NETDATA.colorLuminance = function(hex, lum) {
+		// validate hex string
+		hex = String(hex).replace(/[^0-9a-f]/gi, '');
+		if (hex.length < 6)
+			hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2];
+
+		lum = lum || 0;
+
+		// convert to decimal and change luminosity
+		var rgb = "#", c, i;
+		for (i = 0; i < 3; i++) {
+			c = parseInt(hex.substr(i*2,2), 16);
+			c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16);
+			rgb += ("00"+c).substr(c.length);
+		}
+
+		return rgb;
+	}
+
+	NETDATA.guid = function() {
+		function s4() {
+			return Math.floor((1 + Math.random()) * 0x10000)
+					.toString(16)
+					.substring(1);
+			}
+
+			return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
+	}
+
+	NETDATA.zeropad = function(x) {
+		if(x > -10 && x < 10) return '0' + x.toString();
+		else return x.toString();
+	}
+
+	// user function to signal us the DOM has been
+	// updated.
+	NETDATA.updatedDom = function() {
+		NETDATA.options.updated_dom = true;
+	}
+
+	NETDATA.ready = function(callback) {
+		NETDATA.options.pauseCallback = callback;
+	}
+
+	NETDATA.pause = function(callback) {
+		if(NETDATA.options.pause === true)
+			callback();
+		else
+			NETDATA.options.pauseCallback = callback;
+	}
+
+	NETDATA.unpause = function() {
+		NETDATA.options.pauseCallback = null;
+		NETDATA.options.updated_dom = true;
+		NETDATA.options.pause = false;
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+
+	// this is purely sequencial charts refresher
+	// it is meant to be autonomous
+	NETDATA.chartRefresherNoParallel = function(index) {
+		if(NETDATA.options.debug.mail_loop === true)
+			console.log('NETDATA.chartRefresherNoParallel(' + index + ')');
+
+		if(NETDATA.options.updated_dom === true) {
+			// the dom has been updated
+			// get the dom parts again
+			NETDATA.parseDom(NETDATA.chartRefresher);
+			return;
+		}
+		if(index >= NETDATA.options.targets.length) {
+			if(NETDATA.options.debug.main_loop === true)
+				console.log('waiting to restart main loop...');
+
+			NETDATA.options.auto_refresher_fast_weight = 0;
+
+			setTimeout(function() {
+				NETDATA.chartRefresher();
+			}, NETDATA.options.current.idle_between_loops);
+		}
+		else {
+			var state = NETDATA.options.targets[index];
+
+			if(NETDATA.options.auto_refresher_fast_weight < NETDATA.options.current.fast_render_timeframe) {
+				if(NETDATA.options.debug.main_loop === true)
+					console.log('fast rendering...');
+
+				state.autoRefresh(function() {
+					NETDATA.chartRefresherNoParallel(++index);
+				});
+			}
+			else {
+				if(NETDATA.options.debug.main_loop === true) console.log('waiting for next refresh...');
+				NETDATA.options.auto_refresher_fast_weight = 0;
+
+				setTimeout(function() {
+					state.autoRefresh(function() {
+						NETDATA.chartRefresherNoParallel(++index);
+					});
+				}, NETDATA.options.current.idle_between_charts);
+			}
+		}
+	}
+
+	// this is part of the parallel refresher
+	// its cause is to refresh sequencially all the charts
+	// that depend on chart library initialization
+	// it will call the parallel refresher back
+	// as soon as it sees a chart that its chart library
+	// is initialized
+	NETDATA.chartRefresher_unitialized = function() {
+		if(NETDATA.options.updated_dom === true) {
+			// the dom has been updated
+			// get the dom parts again
+			NETDATA.parseDom(NETDATA.chartRefresher);
+			return;
+		}
+
+		if(NETDATA.options.sequencial.length === 0)
+			NETDATA.chartRefresher();
+		else {
+			var state = NETDATA.options.sequencial.pop();
+			if(state.library.initialized === true)
+				NETDATA.chartRefresher();
+			else
+				state.autoRefresh(NETDATA.chartRefresher_unitialized);
+		}
+	}
+
+	NETDATA.chartRefresherWaitTime = function() {
+		return NETDATA.options.current.idle_parallel_loops;
+	}
+
+	// the default refresher
+	// it will create 2 sets of charts:
+	// - the ones that can be refreshed in parallel
+	// - the ones that depend on something else
+	// the first set will be executed in parallel
+	// the second will be given to NETDATA.chartRefresher_unitialized()
+	NETDATA.chartRefresher = function() {
+		if(NETDATA.options.pause === true) {
+			// console.log('auto-refresher is paused');
+			setTimeout(NETDATA.chartRefresher,
+				NETDATA.chartRefresherWaitTime());
+			return;
+		}
+
+		if(typeof NETDATA.options.pauseCallback === 'function') {
+			// console.log('auto-refresher is calling pauseCallback');
+			NETDATA.options.pause = true;
+			NETDATA.options.pauseCallback();
+			NETDATA.chartRefresher();
+			return;
+		}
+
+		if(NETDATA.options.current.parallel_refresher === false) {
+			NETDATA.chartRefresherNoParallel(0);
+			return;
+		}
+
+		if(NETDATA.options.updated_dom === true) {
+			// the dom has been updated
+			// get the dom parts again
+			NETDATA.parseDom(NETDATA.chartRefresher);
+			return;
+		}
+
+		var parallel = new Array();
+		var targets = NETDATA.options.targets;
+		var len = targets.length;
+		while(len--) {
+			if(targets[len].isVisible() === false)
+				continue;
+
+			var state = targets[len];
+			if(state.library.initialized === false) {
+				if(state.library.enabled === true) {
+					state.library.initialize(NETDATA.chartRefresher);
+					return;
+				}
+				else {
+					state.error('chart library "' + state.library_name + '" is not enabled.');
+				}
+			}
+
+			parallel.unshift(state);
+		}
+
+		if(parallel.length > 0) {
+			var parallel_jobs = parallel.length;
+
+			// this will execute the jobs in parallel
+			$(parallel).each(function() {
+				this.autoRefresh(function() {
+					parallel_jobs--;
+
+					if(parallel_jobs === 0) {
+						setTimeout(NETDATA.chartRefresher,
+							NETDATA.chartRefresherWaitTime());
+					}
+				});
+			})
+		}
+		else {
+			setTimeout(NETDATA.chartRefresher,
+				NETDATA.chartRefresherWaitTime());
+		}
+	}
+
+	NETDATA.parseDom = function(callback) {
+		NETDATA.options.last_page_scroll = new Date().getTime();
+		NETDATA.options.updated_dom = false;
+
+		var targets = $('div[data-netdata]'); //.filter(':visible');
+
+		if(NETDATA.options.debug.main_loop === true)
+			console.log('DOM updated - there are ' + targets.length + ' charts on page.');
+
+		NETDATA.options.targets = new Array();
+		var len = targets.length;
+		while(len--) {
+			// the initialization will take care of sizing
+			// and the "loading..." message
+			NETDATA.options.targets.push(NETDATA.chartState(targets[len]));
+		}
+
+		if(typeof callback === 'function') callback();
+	}
+
+	// this is the main function - where everything starts
+	NETDATA.start = function() {
+		// this should be called only once
+
+		NETDATA.options.page_is_visible = true;
+
+		$(window).blur(function() {
+			if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+				NETDATA.options.page_is_visible = false;
+				if(NETDATA.options.debug.focus === true)
+					console.log('Lost Focus!');
+			}
+		});
+
+		$(window).focus(function() {
+			if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+				NETDATA.options.page_is_visible = true;
+				if(NETDATA.options.debug.focus === true)
+					console.log('Focus restored!');
+			}
+		});
+
+		if(typeof document.hasFocus === 'function' && !document.hasFocus()) {
+			if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+				NETDATA.options.page_is_visible = false;
+				if(NETDATA.options.debug.focus === true)
+					console.log('Document has no focus!');
+			}
+		}
+
+		// bootstrap tab switching
+		$('a[data-toggle="tab"]').on('shown.bs.tab', NETDATA.onscroll);
+
+		// bootstrap modal switching
+		$('.modal').on('hidden.bs.modal', NETDATA.onscroll);
+		$('.modal').on('shown.bs.modal', NETDATA.onscroll);
+		
+		NETDATA.parseDom(NETDATA.chartRefresher);
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// peity
+
+	NETDATA.peityInitialize = function(callback) {
+		if(typeof netdataNoPeitys === 'undefined' || !netdataNoPeitys) {
+			$.ajax({
+				url: NETDATA.peity_js,
+				cache: true,
+				dataType: "script"
+			})
+			.done(function() {
+				NETDATA.registerChartLibrary('peity', NETDATA.peity_js);
+			})
+			.fail(function() {
+				NETDATA.chartLibraries.peity.enabled = false;
+				NETDATA.error(100, NETDATA.peity_js);
+			})
+			.always(function() {
+				if(typeof callback === "function")
+					callback();
+			});
+		}
+		else {
+			NETDATA.chartLibraries.peity.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.peityChartUpdate = function(state, data) {
+		state.peity_instance.innerHTML = data.result;
+
+		if(state.peity_options.stroke !== state.chartColors()[0]) {
+			state.peity_options.stroke = state.chartColors()[0];
+			if(state.chart.chart_type === 'line')
+				state.peity_options.fill = NETDATA.themes.current.background;
+			else
+				state.peity_options.fill = NETDATA.colorLuminance(state.chartColors()[0], NETDATA.chartDefaults.fill_luminance);
+		}
+
+		$(state.peity_instance).peity('line', state.peity_options);
+		return true;
+	}
+
+	NETDATA.peityChartCreate = function(state, data) {
+		state.peity_instance = document.createElement('div');
+		state.element_chart.appendChild(state.peity_instance);
+
+		var self = $(state.element);
+		state.peity_options = {
+			stroke: NETDATA.themes.current.foreground,
+			strokeWidth: self.data('peity-strokewidth') || 1,
+			width: state.chartWidth(),
+			height: state.chartHeight(),
+			fill: NETDATA.themes.current.foreground
+		};
+
+		NETDATA.peityChartUpdate(state, data);
+		return true;
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// sparkline
+
+	NETDATA.sparklineInitialize = function(callback) {
+		if(typeof netdataNoSparklines === 'undefined' || !netdataNoSparklines) {
+			$.ajax({
+				url: NETDATA.sparkline_js,
+				cache: true,
+				dataType: "script"
+			})
+			.done(function() {
+				NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js);
+			})
+			.fail(function() {
+				NETDATA.chartLibraries.sparkline.enabled = false;
+				NETDATA.error(100, NETDATA.sparkline_js);
+			})
+			.always(function() {
+				if(typeof callback === "function")
+					callback();
+			});
+		}
+		else {
+			NETDATA.chartLibraries.sparkline.enabled = false;
+			if(typeof callback === "function") 
+				callback();
+		}
+	};
+
+	NETDATA.sparklineChartUpdate = function(state, data) {
+		state.sparkline_options.width = state.chartWidth();
+		state.sparkline_options.height = state.chartHeight();
+
+		$(state.element_chart).sparkline(data.result, state.sparkline_options);
+		return true;
+	}
+
+	NETDATA.sparklineChartCreate = function(state, data) {
+		var self = $(state.element);
+		var type = self.data('sparkline-type') || 'line';
+		var lineColor = self.data('sparkline-linecolor') || state.chartColors()[0];
+		var fillColor = self.data('sparkline-fillcolor') || (state.chart.chart_type === 'line')?NETDATA.themes.current.background:NETDATA.colorLuminance(lineColor, NETDATA.chartDefaults.fill_luminance);
+		var chartRangeMin = self.data('sparkline-chartrangemin') || undefined;
+		var chartRangeMax = self.data('sparkline-chartrangemax') || undefined;
+		var composite = self.data('sparkline-composite') || undefined;
+		var enableTagOptions = self.data('sparkline-enabletagoptions') || undefined;
+		var tagOptionPrefix = self.data('sparkline-tagoptionprefix') || undefined;
+		var tagValuesAttribute = self.data('sparkline-tagvaluesattribute') || undefined;
+		var disableHiddenCheck = self.data('sparkline-disablehiddencheck') || undefined;
+		var defaultPixelsPerValue = self.data('sparkline-defaultpixelspervalue') || undefined;
+		var spotColor = self.data('sparkline-spotcolor') || undefined;
+		var minSpotColor = self.data('sparkline-minspotcolor') || undefined;
+		var maxSpotColor = self.data('sparkline-maxspotcolor') || undefined;
+		var spotRadius = self.data('sparkline-spotradius') || undefined;
+		var valueSpots = self.data('sparkline-valuespots') || undefined;
+		var highlightSpotColor = self.data('sparkline-highlightspotcolor') || undefined;
+		var highlightLineColor = self.data('sparkline-highlightlinecolor') || undefined;
+		var lineWidth = self.data('sparkline-linewidth') || undefined;
+		var normalRangeMin = self.data('sparkline-normalrangemin') || undefined;
+		var normalRangeMax = self.data('sparkline-normalrangemax') || undefined;
+		var drawNormalOnTop = self.data('sparkline-drawnormalontop') || undefined;
+		var xvalues = self.data('sparkline-xvalues') || undefined;
+		var chartRangeClip = self.data('sparkline-chartrangeclip') || undefined;
+		var xvalues = self.data('sparkline-xvalues') || undefined;
+		var chartRangeMinX = self.data('sparkline-chartrangeminx') || undefined;
+		var chartRangeMaxX = self.data('sparkline-chartrangemaxx') || undefined;
+		var disableInteraction = self.data('sparkline-disableinteraction') || false;
+		var disableTooltips = self.data('sparkline-disabletooltips') || false;
+		var disableHighlight = self.data('sparkline-disablehighlight') || false;
+		var highlightLighten = self.data('sparkline-highlightlighten') || 1.4;
+		var highlightColor = self.data('sparkline-highlightcolor') || undefined;
+		var tooltipContainer = self.data('sparkline-tooltipcontainer') || undefined;
+		var tooltipClassname = self.data('sparkline-tooltipclassname') || undefined;
+		var tooltipFormat = self.data('sparkline-tooltipformat') || undefined;
+		var tooltipPrefix = self.data('sparkline-tooltipprefix') || undefined;
+		var tooltipSuffix = self.data('sparkline-tooltipsuffix') || ' ' + state.units;
+		var tooltipSkipNull = self.data('sparkline-tooltipskipnull') || true;
+		var tooltipValueLookups = self.data('sparkline-tooltipvaluelookups') || undefined;
+		var tooltipFormatFieldlist = self.data('sparkline-tooltipformatfieldlist') || undefined;
+		var tooltipFormatFieldlistKey = self.data('sparkline-tooltipformatfieldlistkey') || undefined;
+		var numberFormatter = self.data('sparkline-numberformatter') || function(n){ return n.toFixed(2); };
+		var numberDigitGroupSep = self.data('sparkline-numberdigitgroupsep') || undefined;
+		var numberDecimalMark = self.data('sparkline-numberdecimalmark') || undefined;
+		var numberDigitGroupCount = self.data('sparkline-numberdigitgroupcount') || undefined;
+		var animatedZooms = self.data('sparkline-animatedzooms') || false;
+
+		state.sparkline_options = {
+			type: type,
+			lineColor: lineColor,
+			fillColor: fillColor,
+			chartRangeMin: chartRangeMin,
+			chartRangeMax: chartRangeMax,
+			composite: composite,
+			enableTagOptions: enableTagOptions,
+			tagOptionPrefix: tagOptionPrefix,
+			tagValuesAttribute: tagValuesAttribute,
+			disableHiddenCheck: disableHiddenCheck,
+			defaultPixelsPerValue: defaultPixelsPerValue,
+			spotColor: spotColor,
+			minSpotColor: minSpotColor,
+			maxSpotColor: maxSpotColor,
+			spotRadius: spotRadius,
+			valueSpots: valueSpots,
+			highlightSpotColor: highlightSpotColor,
+			highlightLineColor: highlightLineColor,
+			lineWidth: lineWidth,
+			normalRangeMin: normalRangeMin,
+			normalRangeMax: normalRangeMax,
+			drawNormalOnTop: drawNormalOnTop,
+			xvalues: xvalues,
+			chartRangeClip: chartRangeClip,
+			chartRangeMinX: chartRangeMinX,
+			chartRangeMaxX: chartRangeMaxX,
+			disableInteraction: disableInteraction,
+			disableTooltips: disableTooltips,
+			disableHighlight: disableHighlight,
+			highlightLighten: highlightLighten,
+			highlightColor: highlightColor,
+			tooltipContainer: tooltipContainer,
+			tooltipClassname: tooltipClassname,
+			tooltipChartTitle: state.title,
+			tooltipFormat: tooltipFormat,
+			tooltipPrefix: tooltipPrefix,
+			tooltipSuffix: tooltipSuffix,
+			tooltipSkipNull: tooltipSkipNull,
+			tooltipValueLookups: tooltipValueLookups,
+			tooltipFormatFieldlist: tooltipFormatFieldlist,
+			tooltipFormatFieldlistKey: tooltipFormatFieldlistKey,
+			numberFormatter: numberFormatter,
+			numberDigitGroupSep: numberDigitGroupSep,
+			numberDecimalMark: numberDecimalMark,
+			numberDigitGroupCount: numberDigitGroupCount,
+			animatedZooms: animatedZooms,
+			width: state.chartWidth(),
+			height: state.chartHeight()
+		};
+
+		$(state.element_chart).sparkline(data.result, state.sparkline_options);
+		return true;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// dygraph
+
+	NETDATA.dygraph = {
+		smooth: false
+	};
+
+	NETDATA.dygraphSetSelection = function(state, t) {
+		if(typeof state.dygraph_instance !== 'undefined') {
+			var r = state.calculateRowForTime(t);
+			if(r !== -1)
+				state.dygraph_instance.setSelection(r);
+			else {
+				state.dygraph_instance.clearSelection();
+				state.legendShowUndefined();
+			}
+		}
+
+		return true;
+	};
+
+	NETDATA.dygraphClearSelection = function(state, t) {
+		if(typeof state.dygraph_instance !== 'undefined') {
+			state.dygraph_instance.clearSelection();
+		}
+		return true;
+	};
+
+	NETDATA.dygraphSmoothInitialize = function(callback) {
+		$.ajax({
+			url: NETDATA.dygraph_smooth_js,
+			cache: true,
+			dataType: "script"
+		})
+		.done(function() {
+			NETDATA.dygraph.smooth = true;
+			smoothPlotter.smoothing = 0.3;
+		})
+		.fail(function() {
+			NETDATA.dygraph.smooth = false;
+		})
+		.always(function() {
+			if(typeof callback === "function")
+				callback();
+		});
+	}
+
+	NETDATA.dygraphInitialize = function(callback) {
+		if(typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) {
+			$.ajax({
+				url: NETDATA.dygraph_js,
+				cache: true,
+				dataType: "script"
+			})
+			.done(function() {
+				NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js);
+			})
+			.fail(function() {
+				NETDATA.chartLibraries.dygraph.enabled = false;
+				NETDATA.error(100, NETDATA.dygraph_js);
+			})
+			.always(function() {
+				if(NETDATA.chartLibraries.dygraph.enabled === true && NETDATA.options.current.smooth_plot === true)
+					NETDATA.dygraphSmoothInitialize(callback);
+				else if(typeof callback === "function")
+					callback();
+			});
+		}
+		else {
+			NETDATA.chartLibraries.dygraph.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.dygraphChartUpdate = function(state, data) {
+		var dygraph = state.dygraph_instance;
+
+		if(typeof dygraph === 'undefined')
+			return NETDATA.dygraphChartCreate(state, data);
+
+		// when the chart is not visible, and hidden
+		// if there is a window resize, dygraph detects
+		// its element size as 0x0.
+		// this will make it re-appear properly
+
+		if(state.tm.last_unhidden > state.dygraph_last_rendered)
+			dygraph.resize();
+
+		var options = {
+				file: data.result.data,
+				colors: state.chartColors(),
+				labels: data.result.labels,
+				labelsDivWidth: state.chartWidth() - 70,
+				visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names)
+		};
+
+		if(state.dygraph_force_zoom === true) {
+			if(NETDATA.options.debug.dygraph === true || state.debug === true)
+				state.log('dygraphChartUpdate() forced zoom update');
+
+			options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null;
+			options.valueRange = null;
+			options.isZoomedIgnoreProgrammaticZoom = true;
+			state.dygraph_force_zoom = false;
+		}
+		else if(state.current.name !== 'auto') {
+			if(NETDATA.options.debug.dygraph === true || state.debug === true)
+				state.log('dygraphChartUpdate() loose update');
+		}
+		else {
+			if(NETDATA.options.debug.dygraph === true || state.debug === true)
+				state.log('dygraphChartUpdate() strict update');
+
+			options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null;
+			options.valueRange = null;
+			options.isZoomedIgnoreProgrammaticZoom = true;
+		}
+
+		if(state.dygraph_smooth_eligible === true) {
+			if((NETDATA.options.current.smooth_plot === true && state.dygraph_options.plotter !== smoothPlotter)
+				|| (NETDATA.options.current.smooth_plot === false && state.dygraph_options.plotter === smoothPlotter)) {
+				NETDATA.dygraphChartCreate(state, data);
+				return;
+			}
+		}
+
+		dygraph.updateOptions(options);
+
+		state.dygraph_last_rendered = new Date().getTime();
+		return true;
+	};
+
+	NETDATA.dygraphChartCreate = function(state, data) {
+		if(NETDATA.options.debug.dygraph === true || state.debug === true)
+			state.log('dygraphChartCreate()');
+
+		var self = $(state.element);
+
+		var chart_type = state.chart.chart_type;
+		if(chart_type === 'stacked' && data.dimensions === 1) chart_type = 'area';
+		chart_type = self.data('dygraph-type') || chart_type;
+
+		var smooth = (chart_type === 'line' && !NETDATA.chartLibraries.dygraph.isSparkline(state))?true:false;
+		smooth = self.data('dygraph-smooth') || smooth;
+
+		if(NETDATA.dygraph.smooth === false)
+			smooth = false;
+
+		var strokeWidth = (chart_type === 'stacked')?0.1:((smooth)?1.5:0.7)
+		var highlightCircleSize = (NETDATA.chartLibraries.dygraph.isSparkline(state))?3:4;
+
+		state.dygraph_options = {
+			colors: self.data('dygraph-colors') || state.chartColors(),
+
+			// leave a few pixels empty on the right of the chart
+			rightGap: self.data('dygraph-rightgap') || 5,
+			showRangeSelector: self.data('dygraph-showrangeselector') || false,
+			showRoller: self.data('dygraph-showroller') || false,
+
+			title: self.data('dygraph-title') || state.title,
+			titleHeight: self.data('dygraph-titleheight') || 19,
+
+			legend: self.data('dygraph-legend') || 'always', // 'onmouseover',
+			labels: data.result.labels,
+			labelsDiv: self.data('dygraph-labelsdiv') || state.element_legend_childs.hidden,
+			labelsDivStyles: self.data('dygraph-labelsdivstyles') || { 'fontSize':'1px' },
+			labelsDivWidth: self.data('dygraph-labelsdivwidth') || state.chartWidth() - 70,
+			labelsSeparateLines: self.data('dygraph-labelsseparatelines') || true,
+			labelsShowZeroValues: self.data('dygraph-labelsshowzerovalues') || true,
+			labelsKMB: false,
+			labelsKMG2: false,
+			showLabelsOnHighlight: self.data('dygraph-showlabelsonhighlight') || true,
+			hideOverlayOnMouseOut: self.data('dygraph-hideoverlayonmouseout') || true,
+
+			ylabel: state.units,
+			yLabelWidth: self.data('dygraph-ylabelwidth') || 12,
+
+			// the function to plot the chart
+			plotter: null,
+
+			// The width of the lines connecting data points. This can be used to increase the contrast or some graphs.
+			strokeWidth: self.data('dygraph-strokewidth') || strokeWidth,
+			strokePattern: self.data('dygraph-strokepattern') || undefined,
+
+			// The size of the dot to draw on each point in pixels (see drawPoints). A dot is always drawn when a point is "isolated",
+			// i.e. there is a missing point on either side of it. This also controls the size of those dots.
+			drawPoints: self.data('dygraph-drawpoints') || false,
+
+			// Draw points at the edges of gaps in the data. This improves visibility of small data segments or other data irregularities.
+			drawGapEdgePoints: self.data('dygraph-drawgapedgepoints') || true,
+
+			connectSeparatedPoints: self.data('dygraph-connectseparatedpoints') || false,
+			pointSize: self.data('dygraph-pointsize') || 1,
+
+			// enabling this makes the chart with little square lines
+			stepPlot: self.data('dygraph-stepplot') || false,
+
+			// Draw a border around graph lines to make crossing lines more easily distinguishable. Useful for graphs with many lines.
+			strokeBorderColor: self.data('dygraph-strokebordercolor') || NETDATA.themes.current.background,
+			strokeBorderWidth: self.data('dygraph-strokeborderwidth') || (chart_type === 'stacked')?0.0:0.0,
+
+			fillGraph: self.data('dygraph-fillgraph') || (chart_type === 'area' || chart_type === 'stacked')?true:false,
+			fillAlpha: self.data('dygraph-fillalpha') || (chart_type === 'stacked')?NETDATA.options.current.color_fill_opacity_stacked:NETDATA.options.current.color_fill_opacity_area,
+			stackedGraph: self.data('dygraph-stackedgraph') || (chart_type === 'stacked')?true:false,
+			stackedGraphNaNFill: self.data('dygraph-stackedgraphnanfill') || 'none',
+
+			drawAxis: self.data('dygraph-drawaxis') || true,
+			axisLabelFontSize: self.data('dygraph-axislabelfontsize') || 10,
+			axisLineColor: self.data('dygraph-axislinecolor') || NETDATA.themes.current.axis,
+			axisLineWidth: self.data('dygraph-axislinewidth') || 0.3,
+
+			drawGrid: self.data('dygraph-drawgrid') || true,
+			drawXGrid: self.data('dygraph-drawxgrid') || undefined,
+			drawYGrid: self.data('dygraph-drawygrid') || undefined,
+			gridLinePattern: self.data('dygraph-gridlinepattern') || null,
+			gridLineWidth: self.data('dygraph-gridlinewidth') || 0.3,
+			gridLineColor: self.data('dygraph-gridlinecolor') || NETDATA.themes.current.grid,
+
+			maxNumberWidth: self.data('dygraph-maxnumberwidth') || 8,
+			sigFigs: self.data('dygraph-sigfigs') || null,
+			digitsAfterDecimal: self.data('dygraph-digitsafterdecimal') || 2,
+			valueFormatter: self.data('dygraph-valueformatter') || function(x){ return x.toFixed(2); },
+
+			highlightCircleSize: self.data('dygraph-highlightcirclesize') || highlightCircleSize,
+			highlightSeriesOpts: self.data('dygraph-highlightseriesopts') || null, // TOO SLOW: { strokeWidth: 1.5 },
+			highlightSeriesBackgroundAlpha: self.data('dygraph-highlightseriesbackgroundalpha') || null, // TOO SLOW: (chart_type === 'stacked')?0.7:0.5,
+
+			pointClickCallback: self.data('dygraph-pointclickcallback') || undefined,
+			visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names),
+			axes: {
+				x: {
+					pixelsPerLabel: 50,
+					ticker: Dygraph.dateTicker,
+					axisLabelFormatter: function (d, gran) {
+						return NETDATA.zeropad(d.getHours()) + ":" + NETDATA.zeropad(d.getMinutes()) + ":" + NETDATA.zeropad(d.getSeconds());
+					},
+					valueFormatter: function (ms) {
+						var d = new Date(ms);
+						return d.toLocaleDateString() + ' ' + d.toLocaleTimeString();
+						// return NETDATA.zeropad(d.getHours()) + ":" + NETDATA.zeropad(d.getMinutes()) + ":" + NETDATA.zeropad(d.getSeconds());
+					}
+				},
+				y: {
+					pixelsPerLabel: 15,
+					valueFormatter: function (x) {
+						// we format legends with the state object
+						// no need to do anything here
+						// return (Math.round(x*100) / 100).toLocaleString();
+						// return state.legendFormatValue(x);
+						return x;
+					}
+				}
+			},
+			legendFormatter: function(data) {
+				var elements = state.element_legend_childs;
+
+				// if the hidden div is not there
+				// we are not managing the legend
+				if(elements.hidden === null) return;
+
+				if (typeof data.x !== 'undefined') {
+					state.legendSetDate(data.x);
+					var i = data.series.length;
+					while(i--) {
+						var series = data.series[i];
+						if(!series.isVisible) continue;
+						state.legendSetLabelValue(series.label, series.y);
+					}
+				}
+
+				return '';
+			},
+			drawCallback: function(dygraph, is_initial) {
+				if(state.current.name !== 'auto' && state.dygraph_user_action === true) {
+					state.dygraph_user_action = false;
+
+					var x_range = dygraph.xAxisRange();
+					var after = Math.round(x_range[0]);
+					var before = Math.round(x_range[1]);
+
+					if(NETDATA.options.debug.dygraph === true)
+						state.log('dygraphDrawCallback(dygraph, ' + is_initial + '): ' + (after / 1000).toString() + ' - ' + (before / 1000).toString());
+
+					if(before <= state.netdata_last && after >= state.netdata_first)
+						state.updateChartPanOrZoom(after, before);
+				}
+			},
+			zoomCallback: function(minDate, maxDate, yRanges) {
+				if(NETDATA.options.debug.dygraph === true)
+					state.log('dygraphZoomCallback()');
+
+				state.globalSelectionSyncStop();
+				state.globalSelectionSyncDelay();
+				state.setMode('zoom');
+
+				// refresh it to the greatest possible zoom level
+				state.dygraph_user_action = true;
+				state.dygraph_force_zoom = true;
+				state.updateChartPanOrZoom(minDate, maxDate);
+			},
+			highlightCallback: function(event, x, points, row, seriesName) {
+				if(NETDATA.options.debug.dygraph === true || state.debug === true)
+					state.log('dygraphHighlightCallback()');
+
+				state.pauseChart();
+
+				// there is a bug in dygraph when the chart is zoomed enough
+				// the time it thinks is selected is wrong
+				// here we calculate the time t based on the row number selected
+				// which is ok
+				var t = state.data_after + row * state.data_update_every;
+				// console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t === x)?'SAME':(Math.abs(x-t)<=state.data_update_every)?'SIMILAR':'DIFFERENT') + ', rows in db: ' + state.data_points + ' visible(x) = ' + state.timeIsVisible(x) + ' visible(t) = ' + state.timeIsVisible(t) + ' r(x) = ' + state.calculateRowForTime(x) + ' r(t) = ' + state.calculateRowForTime(t) + ' range: ' + state.data_after + ' - ' + state.data_before + ' real: ' + state.data.after + ' - ' + state.data.before + ' every: ' + state.data_update_every);
+
+				state.globalSelectionSync(x);
+
+				// fix legend zIndex using the internal structures of dygraph legend module
+				// this works, but it is a hack!
+				// state.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000;
+			},
+			unhighlightCallback: function(event) {
+				if(NETDATA.options.debug.dygraph === true || state.debug === true)
+					state.log('dygraphUnhighlightCallback()');
+
+				state.unpauseChart();
+				state.globalSelectionSyncStop();
+			},
+			interactionModel : {
+				mousedown: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.mousedown()');
+
+					state.dygraph_user_action = true;
+					state.globalSelectionSyncStop();
+
+					if(NETDATA.options.debug.dygraph === true)
+						state.log('dygraphMouseDown()');
+
+					// Right-click should not initiate a zoom.
+					if(event.button && event.button === 2) return;
+
+					context.initializeMouseDown(event, dygraph, context);
+
+					if(event.button && event.button === 1) {
+						if (event.altKey || event.shiftKey) {
+							state.setMode('pan');
+							state.globalSelectionSyncDelay();
+							Dygraph.startPan(event, dygraph, context);
+						}
+						else {
+							state.setMode('zoom');
+							state.globalSelectionSyncDelay();
+							Dygraph.startZoom(event, dygraph, context);
+						}
+					}
+					else {
+						if (event.altKey || event.shiftKey) {
+							state.setMode('zoom');
+							state.globalSelectionSyncDelay();
+							Dygraph.startZoom(event, dygraph, context);
+						}
+						else {
+							state.setMode('pan');
+							state.globalSelectionSyncDelay();
+							Dygraph.startPan(event, dygraph, context);
+						}
+					}
+				},
+				mousemove: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.mousemove()');
+
+					if(context.isPanning) {
+						state.dygraph_user_action = true;
+						state.globalSelectionSyncStop();
+						state.globalSelectionSyncDelay();
+						state.setMode('pan');
+						Dygraph.movePan(event, dygraph, context);
+					}
+					else if(context.isZooming) {
+						state.dygraph_user_action = true;
+						state.globalSelectionSyncStop();
+						state.globalSelectionSyncDelay();
+						state.setMode('zoom');
+						Dygraph.moveZoom(event, dygraph, context);
+					}
+				},
+				mouseup: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.mouseup()');
+
+					if (context.isPanning) {
+						state.dygraph_user_action = true;
+						state.globalSelectionSyncDelay();
+						Dygraph.endPan(event, dygraph, context);
+					}
+					else if (context.isZooming) {
+						state.dygraph_user_action = true;
+						state.globalSelectionSyncDelay();
+						Dygraph.endZoom(event, dygraph, context);
+					}
+				},
+				click: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.click()');
+
+					event.preventDefault();
+				},
+				dblclick: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.dblclick()');
+					NETDATA.resetAllCharts(state);
+				},
+				mousewheel: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.mousewheel()');
+
+					// Take the offset of a mouse event on the dygraph canvas and
+					// convert it to a pair of percentages from the bottom left. 
+					// (Not top left, bottom is where the lower value is.)
+					function offsetToPercentage(g, offsetX, offsetY) {
+						// This is calculating the pixel offset of the leftmost date.
+						var xOffset = g.toDomCoords(g.xAxisRange()[0], null)[0];
+						var yar0 = g.yAxisRange(0);
+
+						// This is calculating the pixel of the higest value. (Top pixel)
+						var yOffset = g.toDomCoords(null, yar0[1])[1];
+
+						// x y w and h are relative to the corner of the drawing area,
+						// so that the upper corner of the drawing area is (0, 0).
+						var x = offsetX - xOffset;
+						var y = offsetY - yOffset;
+
+						// This is computing the rightmost pixel, effectively defining the
+						// width.
+						var w = g.toDomCoords(g.xAxisRange()[1], null)[0] - xOffset;
+
+						// This is computing the lowest pixel, effectively defining the height.
+						var h = g.toDomCoords(null, yar0[0])[1] - yOffset;
+
+						// Percentage from the left.
+						var xPct = w === 0 ? 0 : (x / w);
+						// Percentage from the top.
+						var yPct = h === 0 ? 0 : (y / h);
+
+						// The (1-) part below changes it from "% distance down from the top"
+						// to "% distance up from the bottom".
+						return [xPct, (1-yPct)];
+					}
+
+					// Adjusts [x, y] toward each other by zoomInPercentage%
+					// Split it so the left/bottom axis gets xBias/yBias of that change and
+					// tight/top gets (1-xBias)/(1-yBias) of that change.
+					//
+					// If a bias is missing it splits it down the middle.
+					function zoomRange(g, zoomInPercentage, xBias, yBias) {
+						xBias = xBias || 0.5;
+						yBias = yBias || 0.5;
+
+						function adjustAxis(axis, zoomInPercentage, bias) {
+							var delta = axis[1] - axis[0];
+							var increment = delta * zoomInPercentage;
+							var foo = [increment * bias, increment * (1-bias)];
+
+							return [ axis[0] + foo[0], axis[1] - foo[1] ];
+						}
+
+						var yAxes = g.yAxisRanges();
+						var newYAxes = [];
+						for (var i = 0; i < yAxes.length; i++) {
+							newYAxes[i] = adjustAxis(yAxes[i], zoomInPercentage, yBias);
+						}
+
+						return adjustAxis(g.xAxisRange(), zoomInPercentage, xBias);
+					}
+
+					if(event.altKey || event.shiftKey) {
+						state.dygraph_user_action = true;
+
+						state.globalSelectionSyncStop();
+						state.globalSelectionSyncDelay();
+
+						// http://dygraphs.com/gallery/interaction-api.js
+						var normal = (event.detail) ? event.detail * -1 : event.wheelDelta / 40;
+						var percentage = normal / 50;
+
+						if (!(event.offsetX && event.offsetY)){
+							event.offsetX = event.layerX - event.target.offsetLeft;
+							event.offsetY = event.layerY - event.target.offsetTop;
+						}
+
+						var percentages = offsetToPercentage(dygraph, event.offsetX, event.offsetY);
+						var xPct = percentages[0];
+						var yPct = percentages[1];
+
+						var new_x_range = zoomRange(dygraph, percentage, xPct, yPct);
+
+						var after = new_x_range[0];
+						var before = new_x_range[1];
+
+						var first = state.netdata_first + state.data_update_every;
+						var last = state.netdata_last + state.data_update_every;
+
+						if(before > last) {
+							after -= (before - last);
+							before = last;
+						}
+						if(after < first) {
+							after = first;
+						}
+
+						state.setMode('zoom');
+						if(state.updateChartPanOrZoom(after, before) === true)
+							dygraph.updateOptions({ dateWindow: [ after, before ] });
+
+						event.preventDefault();
+					}
+				},
+				touchstart: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.touchstart()');
+
+					state.dygraph_user_action = true;
+					state.setMode('zoom');
+					state.pauseChart();
+
+					Dygraph.defaultInteractionModel.touchstart(event, dygraph, context);
+
+					// we overwrite the touch directions at the end, to overwrite
+					// the internal default of dygraphs
+					context.touchDirections = { x: true, y: false };
+
+					state.dygraph_last_touch_start = new Date().getTime();
+					state.dygraph_last_touch_move = 0;
+
+					if(typeof event.touches[0].pageX === 'number')
+						state.dygraph_last_touch_page_x = event.touches[0].pageX;
+					else
+						state.dygraph_last_touch_page_x = 0;
+				},
+				touchmove: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.touchmove()');
+
+					state.dygraph_user_action = true;
+					Dygraph.defaultInteractionModel.touchmove(event, dygraph, context);
+
+					state.dygraph_last_touch_move = new Date().getTime();
+				},
+				touchend: function(event, dygraph, context) {
+					if(NETDATA.options.debug.dygraph === true || state.debug === true)
+						state.log('interactionModel.touchend()');
+
+					state.dygraph_user_action = true;
+					Dygraph.defaultInteractionModel.touchend(event, dygraph, context);
+
+					// if it didn't move, it is a selection
+					if(state.dygraph_last_touch_move === 0 && state.dygraph_last_touch_page_x !== 0) {
+						// internal api of dygraphs
+						var pct = (state.dygraph_last_touch_page_x - (dygraph.plotter_.area.x + state.element.getBoundingClientRect().left)) / dygraph.plotter_.area.w;
+						var t = Math.round(state.data_after + (state.data_before - state.data_after) * pct);
+						if(NETDATA.dygraphSetSelection(state, t) === true)
+							state.globalSelectionSync(t);
+					}
+
+					// if it was double tap within double click time, reset the charts
+					var now = new Date().getTime();
+					if(typeof state.dygraph_last_touch_end !== 'undefined') {
+						if(state.dygraph_last_touch_move === 0) {
+							var dt = now - state.dygraph_last_touch_end;
+							if(dt <= NETDATA.options.current.double_click_speed)
+								NETDATA.resetAllCharts(state);
+						}
+					}
+
+					// remember the timestamp of the last touch end
+					state.dygraph_last_touch_end = now;
+				}
+			}
+		};
+
+		if(NETDATA.chartLibraries.dygraph.isSparkline(state)) {
+			state.dygraph_options.drawGrid = false;
+			state.dygraph_options.drawAxis = false;
+			state.dygraph_options.title = undefined;
+			state.dygraph_options.units = undefined;
+			state.dygraph_options.ylabel = undefined;
+			state.dygraph_options.yLabelWidth = 0;
+			state.dygraph_options.labelsDivWidth = 120;
+			state.dygraph_options.labelsDivStyles.width = '120px';
+			state.dygraph_options.labelsSeparateLines = true;
+			state.dygraph_options.rightGap = 0;
+		}
+
+		if(smooth === true) {
+			state.dygraph_smooth_eligible = true;
+
+			if(NETDATA.options.current.smooth_plot === true)
+				state.dygraph_options.plotter = smoothPlotter;
+		}
+		else state.dygraph_smooth_eligible = false;
+
+		state.dygraph_instance = new Dygraph(state.element_chart,
+			data.result.data, state.dygraph_options);
+
+		state.dygraph_force_zoom = false;
+		state.dygraph_user_action = false;
+		state.dygraph_last_rendered = new Date().getTime();
+		return true;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// morris
+
+	NETDATA.morrisInitialize = function(callback) {
+		if(typeof netdataNoMorris === 'undefined' || !netdataNoMorris) {
+
+			// morris requires raphael
+			if(!NETDATA.chartLibraries.raphael.initialized) {
+				if(NETDATA.chartLibraries.raphael.enabled) {
+					NETDATA.raphaelInitialize(function() {
+						NETDATA.morrisInitialize(callback);
+					});
+				}
+				else {
+					NETDATA.chartLibraries.morris.enabled = false;
+					if(typeof callback === "function")
+						callback();
+				}
+			}
+			else {
+				NETDATA._loadCSS(NETDATA.morris_css);
+
+				$.ajax({
+					url: NETDATA.morris_js,
+					cache: true,
+					dataType: "script"
+				})
+				.done(function() {
+					NETDATA.registerChartLibrary('morris', NETDATA.morris_js);
+				})
+				.fail(function() {
+					NETDATA.chartLibraries.morris.enabled = false;
+					NETDATA.error(100, NETDATA.morris_js);
+				})
+				.always(function() {
+					if(typeof callback === "function")
+						callback();
+				});
+			}
+		}
+		else {
+			NETDATA.chartLibraries.morris.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.morrisChartUpdate = function(state, data) {
+		state.morris_instance.setData(data.result.data);
+		return true;
+	};
+
+	NETDATA.morrisChartCreate = function(state, data) {
+
+		state.morris_options = {
+				element: state.element_chart.id,
+				data: data.result.data,
+				xkey: 'time',
+				ykeys: data.dimension_names,
+				labels: data.dimension_names,
+				lineWidth: 2,
+				pointSize: 3,
+				smooth: true,
+				hideHover: 'auto',
+				parseTime: true,
+				continuousLine: false,
+				behaveLikeLine: false
+		};
+
+		if(state.chart.chart_type === 'line')
+			state.morris_instance = new Morris.Line(state.morris_options);
+
+		else if(state.chart.chart_type === 'area') {
+			state.morris_options.behaveLikeLine = true;
+			state.morris_instance = new Morris.Area(state.morris_options);
+		}
+		else // stacked
+			state.morris_instance = new Morris.Area(state.morris_options);
+		
+		return true;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// raphael
+
+	NETDATA.raphaelInitialize = function(callback) {
+		if(typeof netdataStopRaphael === 'undefined' || !netdataStopRaphael) {
+			$.ajax({
+				url: NETDATA.raphael_js,
+				cache: true,
+				dataType: "script"
+			})
+			.done(function() {
+				NETDATA.registerChartLibrary('raphael', NETDATA.raphael_js);
+			})
+			.fail(function() {
+				NETDATA.chartLibraries.raphael.enabled = false;
+				NETDATA.error(100, NETDATA.raphael_js);
+			})
+			.always(function() {
+				if(typeof callback === "function")
+					callback();
+			});
+		}
+		else {
+			NETDATA.chartLibraries.raphael.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.raphaelChartUpdate = function(state, data) {
+		$(state.element_chart).raphael(data.result, {
+			width: state.chartWidth(),
+			height: state.chartHeight()
+		});
+
+		return false;
+	};
+
+	NETDATA.raphaelChartCreate = function(state, data) {
+		$(state.element_chart).raphael(data.result, {
+			width: state.chartWidth(),
+			height: state.chartHeight()
+		});
+
+		return false;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// C3
+
+	NETDATA.c3Initialize = function(callback) {
+		if(typeof netdataNoC3 === 'undefined' || !netdataNoC3) {
+
+			// C3 requires D3
+			if(!NETDATA.chartLibraries.d3.initialized) {
+				if(NETDATA.chartLibraries.d3.enabled) {
+					NETDATA.d3Initialize(function() {
+						NETDATA.c3Initialize(callback);
+					});
+				}
+				else {
+					NETDATA.chartLibraries.c3.enabled = false;
+					if(typeof callback === "function")
+						callback();
+				}
+			}
+			else {
+				NETDATA._loadCSS(NETDATA.c3_css);
+
+				$.ajax({
+					url: NETDATA.c3_js,
+					cache: true,
+					dataType: "script"
+				})
+				.done(function() {
+					NETDATA.registerChartLibrary('c3', NETDATA.c3_js);
+				})
+				.fail(function() {
+					NETDATA.chartLibraries.c3.enabled = false;
+					NETDATA.error(100, NETDATA.c3_js);
+				})
+				.always(function() {
+					if(typeof callback === "function")
+						callback();
+				});
+			}
+		}
+		else {
+			NETDATA.chartLibraries.c3.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.c3ChartUpdate = function(state, data) {
+		state.c3_instance.destroy();
+		return NETDATA.c3ChartCreate(state, data);
+
+		//state.c3_instance.load({
+		//	rows: data.result,
+		//	unload: true
+		//});
+
+		//return true;
+	};
+
+	NETDATA.c3ChartCreate = function(state, data) {
+
+		state.element_chart.id = 'c3-' + state.uuid;
+		// console.log('id = ' + state.element_chart.id);
+
+		state.c3_instance = c3.generate({
+			bindto: '#' + state.element_chart.id,
+			size: {
+				width: state.chartWidth(),
+				height: state.chartHeight()
+			},
+			color: {
+				pattern: state.chartColors()
+			},
+			data: {
+				x: 'time',
+				rows: data.result,
+				type: (state.chart.chart_type === 'line')?'spline':'area-spline'
+			},
+			axis: {
+				x: {
+					type: 'timeseries',
+					tick: {
+						format: function(x) {
+							return NETDATA.zeropad(x.getHours()) + ":" + NETDATA.zeropad(x.getMinutes()) + ":" + NETDATA.zeropad(x.getSeconds());
+						}
+					}
+				}
+			},
+			grid: {
+				x: {
+					show: true
+				},
+				y: {
+					show: true
+				}
+			},
+			point: {
+				show: false
+			},
+			line: {
+				connectNull: false
+			},
+			transition: {
+				duration: 0
+			},
+			interaction: {
+				enabled: true
+			}
+		});
+
+		// console.log(state.c3_instance);
+
+		return true;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// D3
+
+	NETDATA.d3Initialize = function(callback) {
+		if(typeof netdataStopD3 === 'undefined' || !netdataStopD3) {
+			$.ajax({
+				url: NETDATA.d3_js,
+				cache: true,
+				dataType: "script"
+			})
+			.done(function() {
+				NETDATA.registerChartLibrary('d3', NETDATA.d3_js);
+			})
+			.fail(function() {
+				NETDATA.chartLibraries.d3.enabled = false;
+				NETDATA.error(100, NETDATA.d3_js);
+			})
+			.always(function() {
+				if(typeof callback === "function")
+					callback();
+			});
+		}
+		else {
+			NETDATA.chartLibraries.d3.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.d3ChartUpdate = function(state, data) {
+		return false;
+	};
+
+	NETDATA.d3ChartCreate = function(state, data) {
+		return false;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// google charts
+
+	NETDATA.googleInitialize = function(callback) {
+		if(typeof netdataNoGoogleCharts === 'undefined' || !netdataNoGoogleCharts) {
+			$.ajax({
+				url: NETDATA.google_js,
+				cache: true,
+				dataType: "script"
+			})
+			.done(function() {
+				NETDATA.registerChartLibrary('google', NETDATA.google_js);
+				google.load('visualization', '1.1', {
+					'packages': ['corechart', 'controls'],
+					'callback': callback
+				});
+			})
+			.fail(function() {
+				NETDATA.chartLibraries.google.enabled = false;
+				NETDATA.error(100, NETDATA.google_js);
+				if(typeof callback === "function")
+					callback();
+			});
+		}
+		else {
+			NETDATA.chartLibraries.google.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.googleChartUpdate = function(state, data) {
+		var datatable = new google.visualization.DataTable(data.result);
+		state.google_instance.draw(datatable, state.google_options);
+		return true;
+	};
+
+	NETDATA.googleChartCreate = function(state, data) {
+		var datatable = new google.visualization.DataTable(data.result);
+
+		state.google_options = {
+			colors: state.chartColors(),
+
+			// do not set width, height - the chart resizes itself
+			//width: state.chartWidth(),
+			//height: state.chartHeight(),
+			lineWidth: 1,
+			title: state.title,
+			fontSize: 11,
+			hAxis: {
+			//	title: "Time of Day",
+			//	format:'HH:mm:ss',
+				viewWindowMode: 'maximized',
+				slantedText: false,
+				format:'HH:mm:ss',
+				textStyle: {
+					fontSize: 9
+				},
+				gridlines: {
+					color: '#EEE'
+				}
+			},
+			vAxis: {
+				title: state.units,
+				viewWindowMode: 'pretty',
+				minValue: -0.1,
+				maxValue: 0.1,
+				direction: 1,
+				textStyle: {
+					fontSize: 9
+				},
+				gridlines: {
+					color: '#EEE'
+				}
+			},
+			chartArea: {
+				width: '65%',
+				height: '80%'
+			},
+			focusTarget: 'category',
+			annotation: {
+				'1': {
+					style: 'line'
+				}
+			},
+			pointsVisible: 0,
+			titlePosition: 'out',
+			titleTextStyle: {
+				fontSize: 11
+			},
+			tooltip: {
+				isHtml: false,
+				ignoreBounds: true,
+				textStyle: {
+					fontSize: 9
+				}
+			},
+			curveType: 'function',
+			areaOpacity: 0.3,
+			isStacked: false
+		};
+
+		switch(state.chart.chart_type) {
+			case "area":
+				state.google_options.vAxis.viewWindowMode = 'maximized';
+				state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_area;
+				state.google_instance = new google.visualization.AreaChart(state.element_chart);
+				break;
+
+			case "stacked":
+				state.google_options.isStacked = true;
+				state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_stacked;
+				state.google_options.vAxis.viewWindowMode = 'maximized';
+				state.google_options.vAxis.minValue = null;
+				state.google_options.vAxis.maxValue = null;
+				state.google_instance = new google.visualization.AreaChart(state.element_chart);
+				break;
+
+			default:
+			case "line":
+				state.google_options.lineWidth = 2;
+				state.google_instance = new google.visualization.LineChart(state.element_chart);
+				break;
+		}
+
+		state.google_instance.draw(datatable, state.google_options);
+		return true;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+
+	NETDATA.percentFromValueMax = function(value, max) {
+		if(value === null) value = 0;
+		if(max < value) max = value;
+		
+		var pcent = 0;
+		if(max !== 0) {
+			pcent = Math.round(value * 100 / max);
+			if(pcent === 0 && value > 0) pcent = 1;
+		}
+
+		return pcent;
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// easy-pie-chart
+
+	NETDATA.easypiechartInitialize = function(callback) {
+		if(typeof netdataNoEasyPieChart === 'undefined' || !netdataNoEasyPieChart) {
+			$.ajax({
+				url: NETDATA.easypiechart_js,
+				cache: true,
+				dataType: "script"
+			})
+				.done(function() {
+					NETDATA.registerChartLibrary('easypiechart', NETDATA.easypiechart_js);
+				})
+				.fail(function() {
+					NETDATA.chartLibraries.easypiechart.enabled = false;
+					NETDATA.error(100, NETDATA.easypiechart_js);
+				})
+				.always(function() {
+					if(typeof callback === "function")
+						callback();
+				})
+		}
+		else {
+			NETDATA.chartLibraries.easypiechart.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.easypiechartClearSelection = function(state) {
+		if(typeof state.easyPieChartEvent !== 'undefined') {
+			if(state.easyPieChartEvent.timer !== null)
+				clearTimeout(state.easyPieChartEvent.timer);
+
+			state.easyPieChartEvent.timer = null;
+		}
+
+		if(state.isAutoRefreshed() === true && state.data !== null) {
+			NETDATA.easypiechartChartUpdate(state, state.data);
+		}
+		else {
+			state.easyPieChartLabel.innerHTML = state.legendFormatValue(null);
+			state.easyPieChart_instance.update(0);
+		}
+		state.easyPieChart_instance.enableAnimation();
+
+		return true;
+	};
+
+	NETDATA.easypiechartSetSelection = function(state, t) {
+		if(state.timeIsVisible(t) !== true)
+			return NETDATA.easypiechartClearSelection(state);
+
+		var slot = state.calculateRowForTime(t);
+		if(slot < 0 || slot >= state.data.result.length)
+			return NETDATA.easypiechartClearSelection(state);
+
+		if(typeof state.easyPieChartEvent === 'undefined') {
+			state.easyPieChartEvent = {
+				timer: null,
+				value: 0,
+				pcent: 0,
+			};
+		}
+
+		var value = state.data.result[state.data.result.length - 1 - slot];
+		var max = (state.easyPieChartMax === null)?state.data.max:state.easyPieChartMax;
+		var pcent = NETDATA.percentFromValueMax(value, max);
+
+		state.easyPieChartEvent.value = value;
+		state.easyPieChartEvent.pcent = pcent;
+		state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+
+		if(state.easyPieChartEvent.timer === null) {
+			state.easyPieChart_instance.disableAnimation();
+
+			state.easyPieChartEvent.timer = setTimeout(function() {
+				state.easyPieChartEvent.timer = null;
+				state.easyPieChart_instance.update(state.easyPieChartEvent.pcent);
+			}, NETDATA.options.current.charts_selection_animation_delay);
+		}
+
+		return true;
+	};
+
+	NETDATA.easypiechartChartUpdate = function(state, data) {
+		var value, max, pcent;
+
+		if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+			value = null;
+			max = 0;
+			pcent = 0;
+		}
+		else {
+			value = data.result[0];
+			max = (state.easyPieChartMax === null)?data.max:state.easyPieChartMax;
+			pcent = NETDATA.percentFromValueMax(value, max);
+		}
+
+		state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+		state.easyPieChart_instance.update(pcent);
+		return true;
+	};
+
+	NETDATA.easypiechartChartCreate = function(state, data) {
+		var self = $(state.element);
+		var chart = $(state.element_chart);
+
+		var value = data.result[0];
+		var max = self.data('easypiechart-max-value') || null;
+		var adjust = self.data('easypiechart-adjust') || null;
+		
+		if(max === null) {
+			max = data.max;
+			state.easyPieChartMax = null;
+		}
+		else
+			state.easyPieChartMax = max;
+
+		var pcent = NETDATA.percentFromValueMax(value, max);
+
+		chart.data('data-percent', pcent);
+
+		var size;
+		switch(adjust) {
+			case 'width': size = state.chartHeight(); break;
+			case 'min': size = Math.min(state.chartWidth(), state.chartHeight()); break;
+			case 'max': size = Math.max(state.chartWidth(), state.chartHeight()); break;
+			case 'height':
+			default: size = state.chartWidth(); break;
+		}
+		state.element.style.width = size + 'px';
+		state.element.style.height = size + 'px';
+
+		var stroke = Math.floor(size / 22);
+		if(stroke < 3) stroke = 2;
+
+		var valuefontsize = Math.floor((size * 2 / 3) / 5);
+		var valuetop = Math.round((size - valuefontsize - (size / 40)) / 2);
+		state.easyPieChartLabel = document.createElement('span');
+		state.easyPieChartLabel.className = 'easyPieChartLabel';
+		state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+		state.easyPieChartLabel.style.fontSize = valuefontsize + 'px';
+		state.easyPieChartLabel.style.top = valuetop.toString() + 'px';
+		state.element_chart.appendChild(state.easyPieChartLabel);
+
+		var titlefontsize = Math.round(valuefontsize * 1.6 / 3);
+		var titletop = Math.round(valuetop - (titlefontsize * 2) - (size / 40));
+		state.easyPieChartTitle = document.createElement('span');
+		state.easyPieChartTitle.className = 'easyPieChartTitle';
+		state.easyPieChartTitle.innerHTML = state.title;
+		state.easyPieChartTitle.style.fontSize = titlefontsize + 'px';
+		state.easyPieChartTitle.style.lineHeight = titlefontsize + 'px';
+		state.easyPieChartTitle.style.top = titletop.toString() + 'px';
+		state.element_chart.appendChild(state.easyPieChartTitle);
+
+		var unitfontsize = Math.round(titlefontsize * 0.9);
+		var unittop = Math.round(valuetop + (valuefontsize + unitfontsize) + (size / 40));
+		state.easyPieChartUnits = document.createElement('span');
+		state.easyPieChartUnits.className = 'easyPieChartUnits';
+		state.easyPieChartUnits.innerHTML = state.units;
+		state.easyPieChartUnits.style.fontSize = unitfontsize + 'px';
+		state.easyPieChartUnits.style.top = unittop.toString() + 'px';
+		state.element_chart.appendChild(state.easyPieChartUnits);
+
+		chart.easyPieChart({
+			barColor: self.data('easypiechart-barcolor') || state.chartColors()[0], //'#ef1e25',
+			trackColor: self.data('easypiechart-trackcolor') || NETDATA.themes.current.easypiechart_track,
+			scaleColor: self.data('easypiechart-scalecolor') || NETDATA.themes.current.easypiechart_scale,
+			scaleLength: self.data('easypiechart-scalelength') || 5,
+			lineCap: self.data('easypiechart-linecap') || 'round',
+			lineWidth: self.data('easypiechart-linewidth') || stroke,
+			trackWidth: self.data('easypiechart-trackwidth') || undefined,
+			size: self.data('easypiechart-size') || size,
+			rotate: self.data('easypiechart-rotate') || 0,
+			animate: self.data('easypiechart-rotate') || {duration: 500, enabled: true},
+			easing: self.data('easypiechart-easing') || undefined
+		});
+		
+		// when we just re-create the chart
+		// do not animate the first update
+		var animate = true;
+		if(typeof state.easyPieChart_instance !== 'undefined')
+			animate = false;
+
+		state.easyPieChart_instance = chart.data('easyPieChart');
+		if(animate === false) state.easyPieChart_instance.disableAnimation();
+		state.easyPieChart_instance.update(pcent);
+		if(animate === false) state.easyPieChart_instance.enableAnimation();
+		return true;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// gauge.js
+
+	NETDATA.gaugeInitialize = function(callback) {
+		if(typeof netdataNoGauge === 'undefined' || !netdataNoGauge) {
+			$.ajax({
+				url: NETDATA.gauge_js,
+				cache: true,
+				dataType: "script"
+			})
+				.done(function() {
+					NETDATA.registerChartLibrary('gauge', NETDATA.gauge_js);
+				})
+				.fail(function() {
+					NETDATA.chartLibraries.gauge.enabled = false;
+					NETDATA.error(100, NETDATA.gauge_js);
+				})
+				.always(function() {
+					if(typeof callback === "function")
+						callback();
+				})
+		}
+		else {
+			NETDATA.chartLibraries.gauge.enabled = false;
+			if(typeof callback === "function")
+				callback();
+		}
+	};
+
+	NETDATA.gaugeAnimation = function(state, status) {
+		var speed = 32;
+
+		if(typeof status === 'boolean' && status === false)
+			speed = 1000000000;
+		else if(typeof status === 'number')
+			speed = status;
+		
+		state.gauge_instance.animationSpeed = speed;
+		state.___gaugeOld__.speed = speed;
+	}
+
+	NETDATA.gaugeSet = function(state, value, min, max) {
+		if(typeof value !== 'number') value = 0;
+		if(typeof min !== 'number') min = 0;
+		if(typeof max !== 'number') max = 0;
+		if(value > max) max = value;
+		if(value < min) min = value;
+		if(min > max) {
+			var t = min;
+			min = max;
+			max = t;
+		}
+		else if(min == max)
+			max = min + 1;
+
+		// gauge.js has an issue if the needle
+		// is smaller than min or larger than max
+		// when we set the new values
+		// the needle will go crazy
+
+		// to prevent it, we always feed it
+		// with a percentage, so that the needle
+		// is always between min and max
+		var pcent = (value - min) * 100 / (max - min);
+
+		// these should never happen
+		if(pcent < 0) pcent = 0;
+		if(pcent > 100) pcent = 100;
+
+		state.gauge_instance.set(pcent);
+
+		state.___gaugeOld__.value = value;
+		state.___gaugeOld__.min = min;
+		state.___gaugeOld__.max = max;
+	};
+
+	NETDATA.gaugeSetLabels = function(state, value, min, max) {
+		if(state.___gaugeOld__.valueLabel !== value) {
+			state.___gaugeOld__.valueLabel = value;
+			state.gaugeChartLabel.innerHTML = state.legendFormatValue(value);
+		}
+		if(state.___gaugeOld__.minLabel !== min) {
+			state.___gaugeOld__.minLabel = min;
+			state.gaugeChartMin.innerHTML = state.legendFormatValue(min);
+		}
+		if(state.___gaugeOld__.maxLabel !== max) {
+			state.___gaugeOld__.maxLabel = max;
+			state.gaugeChartMax.innerHTML = state.legendFormatValue(max);
+		}
+	};
+
+	NETDATA.gaugeClearSelection = function(state) {
+		if(typeof state.gaugeEvent !== 'undefined') {
+			if(state.gaugeEvent.timer !== null)
+				clearTimeout(state.gaugeEvent.timer);
+
+			state.gaugeEvent.timer = null;
+		}
+
+		if(state.isAutoRefreshed() === true && state.data !== null) {
+			NETDATA.gaugeChartUpdate(state, state.data);
+		}
+		else {
+			NETDATA.gaugeAnimation(state, false);
+			NETDATA.gaugeSet(state, null, null, null);
+			NETDATA.gaugeSetLabels(state, null, null, null);
+		}
+
+		NETDATA.gaugeAnimation(state, true);
+		return true;
+	};
+
+	NETDATA.gaugeSetSelection = function(state, t) {
+		if(state.timeIsVisible(t) !== true)
+			return NETDATA.gaugeClearSelection(state);
+
+		var slot = state.calculateRowForTime(t);
+		if(slot < 0 || slot >= state.data.result.length)
+			return NETDATA.gaugeClearSelection(state);
+
+		if(typeof state.gaugeEvent === 'undefined') {
+			state.gaugeEvent = {
+				timer: null,
+				value: 0,
+				min: 0,
+				max: 0
+			};
+		}
+
+		var value = state.data.result[state.data.result.length - 1 - slot];
+		var max = (state.gaugeMax === null)?state.data.max:state.gaugeMax;
+		var min = 0;
+
+		state.gaugeEvent.value = value;
+		state.gaugeEvent.max = max;
+		state.gaugeEvent.min = min;
+		NETDATA.gaugeSetLabels(state, value, min, max);
+
+		if(state.gaugeEvent.timer === null) {
+			NETDATA.gaugeAnimation(state, false);
+
+			state.gaugeEvent.timer = setTimeout(function() {
+				state.gaugeEvent.timer = null;
+				NETDATA.gaugeSet(state, state.gaugeEvent.value, state.gaugeEvent.min, state.gaugeEvent.max);
+			}, NETDATA.options.current.charts_selection_animation_delay);
+		}
+
+		return true;
+	};
+
+	NETDATA.gaugeChartUpdate = function(state, data) {
+		var value, min, max;
+
+		if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+			value = 0;
+			min = 0;
+			max = 1;
+			NETDATA.gaugeSetLabels(state, null, null, null);
+		}
+		else {
+			value = data.result[0];
+			min = 0;
+			max = (state.gaugeMax === null)?data.max:state.gaugeMax;
+			if(value > max) max = value;
+			NETDATA.gaugeSetLabels(state, value, min, max);
+		}
+
+		NETDATA.gaugeSet(state, value, min, max);
+		return true;
+	};
+
+	NETDATA.gaugeChartCreate = function(state, data) {
+		var self = $(state.element);
+		var chart = $(state.element_chart);
+
+		var value = data.result[0];
+		var max = self.data('gauge-max-value') || null;
+		var adjust = self.data('gauge-adjust') || null;
+		var pointerColor = self.data('gauge-pointer-color') || NETDATA.themes.current.gauge_pointer;
+		var strokeColor = self.data('gauge-stroke-color') || NETDATA.themes.current.gauge_stroke;
+		var startColor = self.data('gauge-start-color') || state.chartColors()[0];
+		var stopColor = self.data('gauge-stop-color') || void 0;
+		var generateGradient = self.data('gauge-generate-gradient') || false;
+
+		if(max === null) {
+			max = data.max;
+			state.gaugeMax = null;
+		}
+		else
+			state.gaugeMax = max;
+
+		var width = state.chartWidth(), height = state.chartHeight(); //, ratio = 1.5;
+		//switch(adjust) {
+		//	case 'width': width = height * ratio; break;
+		//	case 'height':
+		//	default: height = width / ratio; break;
+		//}
+		//state.element.style.width = width.toString() + 'px';
+		//state.element.style.height = height.toString() + 'px';
+
+		var lum_d = 0.05;
+
+		var options = {
+			lines: 12,					// The number of lines to draw
+			angle: 0.15,				// The length of each line
+			lineWidth: 0.44,			// 0.44 The line thickness
+			pointer: {
+				length: 0.8,			// 0.9 The radius of the inner circle
+				strokeWidth: 0.035,		// The rotation offset
+				color: pointerColor		// Fill color
+			},
+			colorStart: startColor,		// Colors
+			colorStop: stopColor,		// just experiment with them
+			strokeColor: strokeColor,	// to see which ones work best for you
+			limitMax: true,
+			generateGradient: generateGradient,
+			gradientType: 0
+		};
+
+		if(generateGradient === false && NETDATA.themes.current.gauge_gradient === true) {
+			options.percentColors = [
+				[0.0, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 0))],
+				[0.1, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 1))],
+				[0.2, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 2))],
+				[0.3, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 3))],
+				[0.4, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 4))],
+				[0.5, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 5))],
+				[0.6, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 6))],
+				[0.7, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 7))],
+				[0.8, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 8))],
+				[0.9, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 9))],
+				[1.0, NETDATA.colorLuminance(startColor, 0.0)]];
+		}
+
+		state.gauge_canvas = document.createElement('canvas');
+		state.gauge_canvas.id = 'gauge-' + state.uuid + '-canvas';
+		state.gauge_canvas.className = 'gaugeChart';
+		state.gauge_canvas.width  = width;
+		state.gauge_canvas.height = height;
+		state.element_chart.appendChild(state.gauge_canvas);
+
+		var valuefontsize = Math.floor(height / 6);
+		var valuetop = Math.round((height - valuefontsize - (height / 6)) / 2);
+		state.gaugeChartLabel = document.createElement('span');
+		state.gaugeChartLabel.className = 'gaugeChartLabel';
+		state.gaugeChartLabel.style.fontSize = valuefontsize + 'px';
+		state.gaugeChartLabel.style.top = valuetop.toString() + 'px';
+		state.element_chart.appendChild(state.gaugeChartLabel);
+
+		var titlefontsize = Math.round(valuefontsize / 2);
+		var titletop = 0;
+		state.gaugeChartTitle = document.createElement('span');
+		state.gaugeChartTitle.className = 'gaugeChartTitle';
+		state.gaugeChartTitle.innerHTML = state.title;
+		state.gaugeChartTitle.style.fontSize = titlefontsize + 'px';
+		state.gaugeChartTitle.style.lineHeight = titlefontsize + 'px';
+		state.gaugeChartTitle.style.top = titletop.toString() + 'px';
+		state.element_chart.appendChild(state.gaugeChartTitle);
+
+		var unitfontsize = Math.round(titlefontsize * 0.9);
+		state.gaugeChartUnits = document.createElement('span');
+		state.gaugeChartUnits.className = 'gaugeChartUnits';
+		state.gaugeChartUnits.innerHTML = state.units;
+		state.gaugeChartUnits.style.fontSize = unitfontsize + 'px';
+		state.element_chart.appendChild(state.gaugeChartUnits);
+
+		state.gaugeChartMin = document.createElement('span');
+		state.gaugeChartMin.className = 'gaugeChartMin';
+		state.gaugeChartMin.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
+		state.element_chart.appendChild(state.gaugeChartMin);
+
+		state.gaugeChartMax = document.createElement('span');
+		state.gaugeChartMax.className = 'gaugeChartMax';
+		state.gaugeChartMax.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
+		state.element_chart.appendChild(state.gaugeChartMax);
+
+		// when we just re-create the chart
+		// do not animate the first update
+		var animate = true;
+		if(typeof state.gauge_instance !== 'undefined')
+			animate = false;
+
+		state.gauge_instance = new Gauge(state.gauge_canvas).setOptions(options); // create sexy gauge!
+
+		state.___gaugeOld__ = {
+			value: value,
+			min: 0,
+			max: max,
+			valueLabel: null,
+			minLabel: null,
+			maxLabel: null
+		};
+		
+		// we will always feed a percentage
+		state.gauge_instance.minValue = 0;
+		state.gauge_instance.maxValue = 100;
+
+		NETDATA.gaugeAnimation(state, animate);
+		NETDATA.gaugeSet(state, value, 0, max);
+		NETDATA.gaugeSetLabels(state, value, 0, max);
+		NETDATA.gaugeAnimation(state, true);
+		return true;
+	};
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// Charts Libraries Registration
+
+	NETDATA.chartLibraries = {
+		"dygraph": {
+			initialize: NETDATA.dygraphInitialize,
+			create: NETDATA.dygraphChartCreate,
+			update: NETDATA.dygraphChartUpdate,
+			resize: function(state) {
+				if(typeof state.dygraph_instance.resize === 'function')
+					state.dygraph_instance.resize();
+			},
+			setSelection: NETDATA.dygraphSetSelection,
+			clearSelection:  NETDATA.dygraphClearSelection,
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'json'; },
+			options: function(state) { return 'ms|flip'; },
+			legend: function(state) {
+				if(this.isSparkline(state) === false)
+					return 'right-side';
+				else
+					return null;
+			},
+			autoresize: function(state) { return true; },
+			max_updates_to_recreate: function(state) { return 5000; },
+			track_colors: function(state) { return true; },
+			pixels_per_point: function(state) {
+				if(this.isSparkline(state) === false)
+					return 3;
+				else
+					return 2;
+			},
+
+			isSparkline: function(state) {
+				if(typeof state.dygraph_sparkline === 'undefined') {
+					var t = $(state.element).data('dygraph-theme');
+					if(t === 'sparkline')
+						state.dygraph_sparkline = true;
+					else
+						state.dygraph_sparkline = false;
+				}
+				return state.dygraph_sparkline;
+			}
+		},
+		"sparkline": {
+			initialize: NETDATA.sparklineInitialize,
+			create: NETDATA.sparklineChartCreate,
+			update: NETDATA.sparklineChartUpdate,
+			resize: null,
+			setSelection: undefined, // function(state, t) { return true; },
+			clearSelection: undefined, // function(state) { return true; },
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'array'; },
+			options: function(state) { return 'flip|abs'; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 5000; },
+			track_colors: function(state) { return false; },
+			pixels_per_point: function(state) { return 3; }
+		},
+		"peity": {
+			initialize: NETDATA.peityInitialize,
+			create: NETDATA.peityChartCreate,
+			update: NETDATA.peityChartUpdate,
+			resize: null,
+			setSelection: undefined, // function(state, t) { return true; },
+			clearSelection: undefined, // function(state) { return true; },
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'ssvcomma'; },
+			options: function(state) { return 'null2zero|flip|abs'; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 5000; },
+			track_colors: function(state) { return false; },
+			pixels_per_point: function(state) { return 3; }
+		},
+		"morris": {
+			initialize: NETDATA.morrisInitialize,
+			create: NETDATA.morrisChartCreate,
+			update: NETDATA.morrisChartUpdate,
+			resize: null,
+			setSelection: undefined, // function(state, t) { return true; },
+			clearSelection: undefined, // function(state) { return true; },
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'json'; },
+			options: function(state) { return 'objectrows|ms'; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 50; },
+			track_colors: function(state) { return false; },
+			pixels_per_point: function(state) { return 15; }
+		},
+		"google": {
+			initialize: NETDATA.googleInitialize,
+			create: NETDATA.googleChartCreate,
+			update: NETDATA.googleChartUpdate,
+			resize: null,
+			setSelection: undefined, //function(state, t) { return true; },
+			clearSelection: undefined, //function(state) { return true; },
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'datatable'; },
+			options: function(state) { return ''; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 300; },
+			track_colors: function(state) { return false; },
+			pixels_per_point: function(state) { return 4; }
+		},
+		"raphael": {
+			initialize: NETDATA.raphaelInitialize,
+			create: NETDATA.raphaelChartCreate,
+			update: NETDATA.raphaelChartUpdate,
+			resize: null,
+			setSelection: undefined, // function(state, t) { return true; },
+			clearSelection: undefined, // function(state) { return true; },
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'json'; },
+			options: function(state) { return ''; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 5000; },
+			track_colors: function(state) { return false; },
+			pixels_per_point: function(state) { return 3; }
+		},
+		"c3": {
+			initialize: NETDATA.c3Initialize,
+			create: NETDATA.c3ChartCreate,
+			update: NETDATA.c3ChartUpdate,
+			resize: null,
+			setSelection: undefined, // function(state, t) { return true; },
+			clearSelection: undefined, // function(state) { return true; },
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'csvjsonarray'; },
+			options: function(state) { return 'milliseconds'; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 5000; },
+			track_colors: function(state) { return false; },
+			pixels_per_point: function(state) { return 15; }
+		},
+		"d3": {
+			initialize: NETDATA.d3Initialize,
+			create: NETDATA.d3ChartCreate,
+			update: NETDATA.d3ChartUpdate,
+			resize: null,
+			setSelection: undefined, // function(state, t) { return true; },
+			clearSelection: undefined, // function(state) { return true; },
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'json'; },
+			options: function(state) { return ''; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 5000; },
+			track_colors: function(state) { return false; },
+			pixels_per_point: function(state) { return 3; }
+		},
+		"easypiechart": {
+			initialize: NETDATA.easypiechartInitialize,
+			create: NETDATA.easypiechartChartCreate,
+			update: NETDATA.easypiechartChartUpdate,
+			resize: null,
+			setSelection: NETDATA.easypiechartSetSelection,
+			clearSelection: NETDATA.easypiechartClearSelection,
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'array'; },
+			options: function(state) { return 'absolute'; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 5000; },
+			track_colors: function(state) { return true; },
+			pixels_per_point: function(state) { return 3; },
+			aspect_ratio: 100
+		},
+		"gauge": {
+			initialize: NETDATA.gaugeInitialize,
+			create: NETDATA.gaugeChartCreate,
+			update: NETDATA.gaugeChartUpdate,
+			resize: null,
+			setSelection: NETDATA.gaugeSetSelection,
+			clearSelection: NETDATA.gaugeClearSelection,
+			initialized: false,
+			enabled: true,
+			format: function(state) { return 'array'; },
+			options: function(state) { return 'absolute'; },
+			legend: function(state) { return null; },
+			autoresize: function(state) { return false; },
+			max_updates_to_recreate: function(state) { return 5000; },
+			track_colors: function(state) { return true; },
+			pixels_per_point: function(state) { return 3; },
+			aspect_ratio: 70
+		}
+	};
+
+	NETDATA.registerChartLibrary = function(library, url) {
+		if(NETDATA.options.debug.libraries === true)
+			console.log("registering chart library: " + library);
+
+		NETDATA.chartLibraries[library].url = url;
+		NETDATA.chartLibraries[library].initialized = true;
+		NETDATA.chartLibraries[library].enabled = true;
+	}
+
+	// ----------------------------------------------------------------------------------------------------------------
+	// Start up
+
+	NETDATA.requiredJs = [
+		{
+			url: NETDATA.serverDefault + 'lib/bootstrap.min.js',
+			isAlreadyLoaded: function() {
+				if(typeof $().emulateTransitionEnd == 'function')
+					return true;
+				else {
+					if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
+						return true;
+					else
+						return false;
+				}
+			}
+		},
+		{
+			url: NETDATA.serverDefault + 'lib/jquery.nanoscroller.min.js',
+			isAlreadyLoaded: function() { return false; }
+		},
+		{
+			url: NETDATA.serverDefault + 'lib/bootstrap-toggle.min.js',
+			isAlreadyLoaded: function() { return false; }
+		}
+	];
+
+	NETDATA.requiredCSS = [
+		{
+			url: NETDATA.themes.current.bootstrap_css,
+			isAlreadyLoaded: function() {
+				if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
+					return true;
+				else
+					return false;
+			}
+		},
+		{
+			url: NETDATA.serverDefault + 'css/font-awesome.min.css',
+			isAlreadyLoaded: function() { return false; }
+		},
+		{
+			url: NETDATA.themes.current.dashboard_css,
+			isAlreadyLoaded: function() { return false; }
+		},
+		{
+			url: NETDATA.serverDefault + 'css/bootstrap-toggle.min.css',
+			isAlreadyLoaded: function() { return false; }
+		}
+	];
+
+	NETDATA.loadRequiredJs = function(index, callback) {
+		if(index >= NETDATA.requiredJs.length)  {
+			if(typeof callback === 'function')
+				callback();
+			return;
+		}
+
+		if(NETDATA.requiredJs[index].isAlreadyLoaded()) {
+			NETDATA.loadRequiredJs(++index, callback);
+			return;
+		}
+
+		if(NETDATA.options.debug.main_loop === true)
+			console.log('loading ' + NETDATA.requiredJs[index].url);
+
+		$.ajax({
+			url: NETDATA.requiredJs[index].url,
+			cache: true,
+			dataType: "script"
+		})
+		.success(function() {
+			if(NETDATA.options.debug.main_loop === true)
+				console.log('loaded ' + NETDATA.requiredJs[index].url);
+
+			NETDATA.loadRequiredJs(++index, callback);
+		})
+		.fail(function() {
+			alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url);
+		})
+	}
+
+	NETDATA.loadRequiredCSS = function(index) {
+		if(index >= NETDATA.requiredCSS.length)
+			return;
+
+		if(NETDATA.requiredCSS[index].isAlreadyLoaded()) {
+			NETDATA.loadRequiredCSS(++index);
+			return;
+		}
+
+		if(NETDATA.options.debug.main_loop === true)
+			console.log('loading ' + NETDATA.requiredCSS[index].url);
+
+		NETDATA._loadCSS(NETDATA.requiredCSS[index].url);
+		NETDATA.loadRequiredCSS(++index);
+	}
+
+	NETDATA.errorReset();
+	NETDATA.loadRequiredCSS(0);
+
+	NETDATA._loadjQuery(function() {
+		NETDATA.loadRequiredJs(0, function() {
+			if(typeof netdataDontStart === 'undefined' || !netdataDontStart) {
+				if(NETDATA.options.debug.main_loop === true)
+					console.log('starting chart refresh thread');
+
+				NETDATA.start();
+			}
+		});
+	});
+
+	// window.NETDATA = NETDATA;
+// })(window, document);
diff --git a/web/dashboard.slate.css b/web/dashboard.slate.css
new file mode 100755
index 00000000..0a6e955e
--- /dev/null
+++ b/web/dashboard.slate.css
@@ -0,0 +1,466 @@
+html,
+body {
+	/*font-family: Calibri,"Segoe UI","Helvetica Neue",Helvetica,Arial,sans-serif;*/
+	font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
+	font-style: normal;
+	font-variant: normal;
+	color: #878b90;
+}
+
+.dashboard-sidebar .nav > .active > a,
+.dashboard-sidebar .nav > .active:hover > a,
+.dashboard-sidebar .nav > .active:focus > a {
+	color: #765d9c;
+	border-left: 2px solid #765d9c;
+}
+
+.netdata-chart-alignment {
+	margin-left: 55px;
+}
+
+.netdata-container {
+	display: -webkit-flex; /* Safari */
+	-webkit-flex-wrap: wrap; /* Safari 6.1+ */
+	display: inline-block;
+	flex-wrap: wrap;
+	overflow: hidden;
+
+	/* required for child elements to have absolute position */
+	position: relative;
+	
+	/* width and height is given per chart with data-width and data-height */
+}
+
+.netdata-aspect {
+	position: relative;
+	width: 100%;
+	padding: 0px;
+	margin: 0px;
+}
+
+.netdata-container-with-legend {
+	display: -webkit-flex; /* Safari */
+	-webkit-flex-wrap: wrap; /* Safari 6.1+ */
+	display: inline-block;
+	flex-wrap: wrap;
+	overflow: hidden;
+
+	/* fix minimum scrollbar issue in firefox */
+	min-height: 99px;
+
+	/* required for child elements to have absolute position */
+	position: relative;
+	
+	/* width and height is given per chart with data-width and data-height */
+}
+
+.netdata-legend-resize-handler {
+	display: block;
+	position: absolute;
+	bottom: 0px;
+	right: 0px;
+	height: 15px;
+	width: 30px;
+	background-color: #272b30;
+	font-size: 12px;
+	vertical-align: middle;
+	line-height: 15px;
+	cursor: ns-resize;
+	color: #373b40;
+	text-align: center;
+	overflow: hidden;
+	z-index: 20;
+	padding: 0px;
+	margin: 0px;
+}
+
+.netdata-message {
+	display: inline-block;
+	text-align: left;
+	vertical-align: top;
+	font-weight: bold;
+	font-size: x-small;
+	width: 100%;
+	height: 100%;
+	overflow: hidden;
+	background: inherit;
+	z-index: 0;
+}
+
+.netdata-message.hidden {
+	display: none;
+}
+
+.netdata-message.icon {
+	color: #35393e;
+	text-align: center;
+	vertical-align: middle;
+}
+
+.netdata-chart-legend {
+	position: absolute;			/* within .netdata-container */
+	top: 0;
+	right: 0;
+	background-color: #272b30;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	line-height: 14px;
+	display: block;
+	width: 140px;				/* --legend-width */
+	height: calc(100% - 15px);	/* 10px for the resize handler and 5px for the top margin */
+	font-size: 10px;
+	margin-top: 5px;
+	/* width and height is calculated (depends on the appearance of the legend) */
+}
+
+.netdata-legend-title-date {
+	font-size: 10px;
+	font-weight: normal;
+	margin-top: 0px;
+}
+.netdata-legend-title-time {
+	font-size: 11px;
+	font-weight: bold;
+	margin-top: 0px;
+}
+.netdata-legend-title-units {
+	position: absolute;
+	right: 5px;
+	float: right;
+	font-size: 10px;
+	vertical-align: top;
+	font-weight: normal;
+	margin-top: 0px;
+}
+.netdata-legend-series {
+	position: absolute;
+	width: 140px;				/* --legend-width */
+	height: calc(100% - 50px);
+	overflow: hidden;
+	text-overflow: ellipsis;
+	line-height: 14px;
+	display: block;
+	font-size: 10px;
+	margin-top: 0px;
+}
+
+.netdata-legend-series > .netdata-legend-series-content {
+	position      : absolute;
+	overflow      : scroll;
+	overflow-x    : hidden;
+	top           : 0;
+	right         : 0;
+	bottom        : 0;
+	left          : 0;
+	text-overflow: ellipsis;
+}
+.netdata-legend-series > .netdata-legend-series-content:focus {
+	outline: thin dotted;
+}
+.netdata-legend-series > .netdata-legend-series-content::-webkit-scrollbar {
+	display: block; /* was 'none', but chrome was hidding content with it */
+}
+.has-scrollbar > .netdata-legend-series-content::-webkit-scrollbar {
+	display: block;
+}
+.netdata-legend-series > .netdata-legend-series-pane {
+/*	background : rgba(0,0,0,.25);*/
+	background : #373b40;
+	position   : absolute;
+	width      : 4px;
+	right      : 0;
+	top        : 0;
+	bottom     : 0;
+/*	visibility : hidden\9; */ /* Target only IE7 and IE8 with this hack */
+/*	opacity    : .01; */
+/*	-webkit-transition    : .2s; */
+/*	-moz-transition       : .2s; */
+/*	-o-transition         : .2s; */
+/*	transition            : .2s; */
+	-moz-border-radius    : 4px;
+	-webkit-border-radius : 4px;
+	border-radius         : 4px;
+}
+.netdata-legend-series > .netdata-legend-series-pane > .netdata-legend-series-slider {
+	background            : #222; /* nano scroller handler color */
+/*	background            : rgba(0,0,0,.5);*/
+	position              : relative;
+	margin                : 0 1px;
+	-moz-border-radius    : 2px;
+	-webkit-border-radius : 2px;
+	border-radius         : 2px;
+}
+.netdata-legend-series:hover > .netdata-legend-series-pane, .netdata-legend-series-pane.active, .netdata-legend-series-pane.flashed {
+/*  visibility : visible\9; */ /* Target only IE7 and IE8 with this hack */
+/*  opacity    : 0.99;*/
+}
+
+.netdata-legend-name-table-line {
+	display: inline-block;
+	width: 13px;
+	height: 4px;
+	border-width: 0px;
+	border-bottom-width: 2px;
+	border-bottom-style: solid;
+	border-bottom-color: #272b30;
+}
+.netdata-legend-name-table-area {
+	display: inline-block;
+	width: 13px;
+	height: 5px;
+	border-width: 1px;
+	border-top-width: 1px;
+	border-top-style: solid;
+	border-top-color: inherit;
+}
+.netdata-legend-name-table-stacked {
+	display: inline-block;
+	width: 13px;
+	height: 5px;
+	border-width: 1px;
+	border-top-width: 1px;
+	border-top-style: solid;
+	border-top-color: inherit;
+}
+.netdata-legend-name-tr {
+}
+.netdata-legend-name-td {
+}
+.netdata-legend-name {
+	text-align: left;
+	font-size: 10px;
+	font-weight: bold;
+	vertical-align: bottom;
+	margin-top: 0px;
+	z-index: 9;
+	padding: 0px;
+	width: 80px !important;
+	max-width: 80px !important;
+	text-overflow: ellipsis;
+	overflow: hidden;
+	white-space: nowrap;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.netdata-legend-value {
+	/*margin-left: 14px;*/
+	position: absolute;
+	right: 5px;
+	float: right;
+	text-align: right;
+	font-size: 10px;
+	font-weight: bold;
+	vertical-align: bottom;
+	background-color: #272b30;
+	margin-top: 0px;
+	z-index: 10;
+	padding: 0px;
+	padding-left: 15px;
+	cursor: pointer;
+	/* -webkit-font-smoothing: none; */
+}
+.netdata-legend-name.not-selected {
+	font-weight: normal;
+	opacity: 0.3;
+}
+
+.netdata-chart {
+	position: absolute;		/* within .netdata-container */
+	top: 0;					/* within .netdata-container */
+	left: 0;				/* within .netdata-container */
+	display: inline-block;
+	overflow: hidden;
+	width: 100%;
+	height: 100%;
+	z-index: 5;
+
+	/* width and height is calculated (depends on the appearance of the legend) */
+}
+
+.netdata-chart-with-legend-right {
+	position: absolute;		/* within .netdata-container */
+	top: 0;					/* within .netdata-container */
+	left: 0;				/* within .netdata-container */
+	display: block;
+	overflow: hidden;
+	margin-right: 140px;		/* --legend-width */
+	width: calc(100% - 140px);	/* --legend-width */
+	height: 100%;
+	z-index: 5;
+	flex-grow: 1;
+
+	/* width and height is calculated (depends on the appearance of the legend) */
+}
+
+.netdata-peity-chart {
+
+}
+
+.netdata-sparkline-chart {
+
+}
+
+.netdata-dygraph-chart {
+
+}
+
+.netdata-morris-chart {
+
+}
+
+.netdata-google-chart {
+
+}
+
+.dygraph-ylabel {
+}
+
+.dygraph-axis-label {
+	color: #6c7075;
+}
+
+.dygraph-title {
+	text-indent: 56px;
+	text-align: left;
+	position: absolute;
+	left: 0px;
+	top: 4px;
+	font-size: 11px;
+	font-weight: bold;
+	text-overflow: ellipsis;
+	overflow: hidden;
+	white-space: nowrap;
+}
+
+/* fix for sparkline tooltip under bootstrap */
+.jqstooltip {
+  width: auto !important;
+  height: auto !important;
+}
+
+.easyPieChart {
+	position: relative;
+	text-align: center;
+}
+
+.easyPieChart canvas {
+	position: absolute;
+	top: 0;
+	left: 0;
+}
+
+.easyPieChartLabel {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 100%;
+	text-align: center;
+	color: #BBB;
+	font-weight: normal;
+	text-shadow: #272b30 0px 0px 1px;
+	/* -webkit-font-smoothing: none; */
+}
+
+.easyPieChartTitle {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 64%;
+	margin-left: 18%;
+	text-align: center;
+	color: #676b70;
+	font-weight: normal;
+}
+
+.easyPieChartUnits {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 60%;
+	margin-left: 20%;
+	text-align: center;
+	color: #676b70;
+	font-weight: normal;
+}
+
+.gaugeChart {
+	position: relative;
+	text-align: center;
+}
+
+.gaugeChart canvas {
+	position: absolute;
+	top: 0;
+	left: 0;
+	z-index: 0;
+}
+
+.gaugeChartLabel {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 100%;
+	text-align: center;
+	color: #BBB;
+	font-weight: bold;
+	z-index: 1;
+	text-shadow: #272b30 0px 0px 1px;
+	/* text-shadow: #CCC 1px 1px 0px, #CCC -1px -1px 0px, #CCC 1px -1px 0px, #CCC -1px 1px 0px; */
+	/* -webkit-text-stroke: 1px #777; */
+	/* -webkit-font-smoothing: none; */
+}
+
+.gaugeChartTitle {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	width: 100%;
+	text-align: center;
+	color: #676b70;
+	font-weight: bold;
+}
+
+.gaugeChartUnits {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	bottom: 0;
+	width: 100%;
+	text-align: left;
+	margin-left: 5%;
+	color: #676b70;
+	font-weight: normal;
+}
+
+.gaugeChartMin {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	bottom: 10%;
+	width: 92%;
+	margin-left: 8%;
+	text-align: left;
+	color: #676b70;
+	font-weight: normal;
+}
+
+.gaugeChartMax {
+	display: inline-block;
+	position: absolute;
+	float: left;
+	left: 0;
+	bottom: 10%;
+	width: 95%;
+	margin-right: 5%;
+	text-align: right;
+	color: #676b70;
+	font-weight: normal;
+}
diff --git a/web/demo.html b/web/demo.html
new file mode 100755
index 00000000..8a6c0c12
--- /dev/null
+++ b/web/demo.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>

+<html lang="en">

+<head>

+	<title>NetData Dashboard</title>

+

+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

+	<meta charset="utf-8">

+	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">

+	<meta name="viewport" content="width=device-width, initial-scale=1">

+	<meta name="apple-mobile-web-app-capable" content="yes">

+	<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">

+	<meta name="author" content="costa@tsaousis.gr">

+

+	<script type="text/javascript" src="dashboard.js"></script>

+</head>

+<body>

+

+<div style="width: 100%; text-align: center;">

+	<div data-netdata="netdata.server_cpu"

+			data-dimensions="user"

+			data-chart-library="gauge"

+			data-width="150px"

+			data-after="-60"

+			data-points="60"

+			data-title="Yes! Realtime!"

+			data-units="I am alive!"

+			data-colors="#FF5555"

+			></div>

+	<br/>

+	<div data-netdata="netdata.server_cpu"

+			data-dimensions="user"

+			data-chart-library="dygraph"

+			data-dygraph-theme="sparkline"

+			data-width="200px"

+			data-height="30px"

+			data-after="-60"

+			data-points="60"

+			data-colors="#FF5555"

+			></div>

+</div>

+</body>

+</html>

diff --git a/web/demo2.html b/web/demo2.html
new file mode 100755
index 00000000..7a8d75a5
--- /dev/null
+++ b/web/demo2.html
@@ -0,0 +1,134 @@
+<!DOCTYPE html>

+<html lang="en">

+<head>

+	<title>NetData Dashboard</title>

+

+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

+	<meta charset="utf-8">

+	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">

+	<meta name="viewport" content="width=device-width, initial-scale=1">

+	<meta name="apple-mobile-web-app-capable" content="yes">

+	<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">

+	<meta name="author" content="costa@tsaousis.gr">

+

+	<script>var netdataTheme = 'slate';</script>

+	<script type="text/javascript" src="dashboard.js"></script>

+</head>

+<body>

+

+<div class="container" style="width: 90%; padding-top: 10px; text-align: center; color: #AAA">

+	<div style="font-size: 7vw;">why netdata?</div>

+	<br/>

+	<div style="font-size: 2vw; color: white;">These charts visualize the same data...</div>

+

+

+	<!-- Nav tabs -->

+	<ul class="nav nav-tabs" role="tablist">

+		<li role="presentation" class="active"><a href="#gauge" aria-controls="gauge" role="tab" data-toggle="tab">Gauge.js</a></li>

+		<li role="presentation"><a href="#easypiechart" aria-controls="easypiechart" role="tab" data-toggle="tab">Easy Pie Chart</a></li>

+	</ul>

+

+	<!-- Tab panes -->

+	<div class="tab-content">

+		<div role="tabpanel" class="tab-pane active" id="gauge">

+

+			<div style="display: inline-block; width: 35.8%">

+				<div style="font-size: 1.2vw; color: #666; padding-top: 10px;"><i class="fa fa-comment"></i> I can trace an issue like this</div>

+				<br/>

+				<div data-netdata="example.random2"

+						data-dimensions="random"

+						data-chart-library="gauge"

+						data-gauge-max-value="32767"

+						data-width="100%"

+						data-after="-600"

+						data-points="600"

+						data-title="1/second (netdata&nbsp;default)"

+						data-units="important metric"

+						data-colors="#5A5"

+						></div>

+			</div>

+			<div style="display: inline-block; width: 50%">

+				<div style="font-size: 1.2vw; color: #666;"><i class="fa fa-comment"></i> Can you trace an issue like these?<br/>&nbsp;<br/></div>

+				<div data-netdata="example.random2"

+						data-dimensions="random"

+						data-chart-library="gauge"

+						data-gauge-max-value="32767"

+						data-width="45%"

+						data-after="-600"

+						data-points="40"

+						data-title="Updates Every 15&nbsp;Sec"

+						data-units="important metric"

+						data-colors="#C55"

+						></div>

+				<div data-netdata="example.random2"

+						data-dimensions="random"

+						data-chart-library="gauge"

+						data-gauge-max-value="32767"

+						data-width="45%"

+						data-after="-600"

+						data-points="2"

+						data-title="Updates Every 5&nbsp;Mins"

+						data-units="important metric"

+						data-colors="#C55"

+						></div>

+			</div>

+		</div>

+		<div role="tabpanel" class="tab-pane" id="easypiechart">

+

+			<div style="display: inline-block; width: 25%">

+				<div style="font-size: 1.2vw; color: #666; padding-top: 10px;"><i class="fa fa-comment"></i> I can trace an issue like this</div>

+				<br/>

+				<div data-netdata="example.random2"

+						data-dimensions="random"

+						data-chart-library="easypiechart"

+						data-easypiechart-max-value="32767"

+						data-width="100%"

+						data-after="-600"

+						data-points="600"

+						data-title="1/second (netdata&nbsp;default)"

+						data-units="important metric"

+						data-colors="#5A5"

+						></div>

+			</div>

+			<div style="display: inline-block; width: 40%">

+				<div style="font-size: 1.2vw; color: #666;"><i class="fa fa-comment"></i> Can you trace an issue like these?<br/>&nbsp;<br/></div>

+				<div data-netdata="example.random2"

+						data-dimensions="random"

+						data-chart-library="easypiechart"

+						data-easypiechart-max-value="32767"

+						data-width="45%"

+						data-after="-600"

+						data-points="40"

+						data-title="Updates Every 15&nbsp;Sec&nbsp;(<a href='https://github.com/OpenTSDB/opentsdb.net/blob/gh-pages/docs/source/user_guide/utilities/tcollector.rst#collecting-lots-of-metrics-with-tcollector' target='_blank'>OpenTSDB</a>)"

+						data-units="important metric"

+						data-colors="#C55"

+						></div>

+				<div data-netdata="example.random2"

+						data-dimensions="random"

+						data-chart-library="easypiechart"

+						data-easypiechart-max-value="32767"

+						data-width="45%"

+						data-after="-600"

+						data-points="2"

+						data-title="Updates Every 5&nbsp;Mins&nbsp;(your&nbsp;NMS)"

+						data-units="important metric"

+						data-colors="#C55"

+						></div>

+			</div>

+		</div>

+	</div>

+	<div style="font-size: 1.5vw;">Hover on the chart below, to see the selected value on the charts above!</div>

+	<div data-netdata="example.random2"

+			data-dimensions="random"

+			data-dygraph-theme="sparkline"

+			data-width="100%"

+			data-height="20vh"

+			data-after="-600"

+			data-points="600"

+			data-title="1/second (netdata&nbsp;default)"

+			data-units="something"

+			data-colors="#888"

+			></div>

+</div>

+</body>

+</html>

diff --git a/web/favicon.ico b/web/favicon.ico
new file mode 100755
index 00000000..bba4043e
--- /dev/null
+++ b/web/favicon.ico
diff --git a/web/fonts/FontAwesome.otf b/web/fonts/FontAwesome.otf
new file mode 100755
index 00000000..3ed7f8b4
--- /dev/null
+++ b/web/fonts/FontAwesome.otf
diff --git a/web/fonts/fontawesome-webfont.eot b/web/fonts/fontawesome-webfont.eot
new file mode 100755
index 00000000..9b6afaed
--- /dev/null
+++ b/web/fonts/fontawesome-webfont.eot
diff --git a/web/fonts/fontawesome-webfont.svg b/web/fonts/fontawesome-webfont.svg
new file mode 100755
index 00000000..d05688e9
--- /dev/null
+++ b/web/fonts/fontawesome-webfont.svg
@@ -0,0 +1,655 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata></metadata>
+<defs>
+<font id="fontawesomeregular" horiz-adv-x="1536" >
+<font-face units-per-em="1792" ascent="1536" descent="-256" />
+<missing-glyph horiz-adv-x="448" />
+<glyph unicode=" "  horiz-adv-x="448" />
+<glyph unicode="&#x09;" horiz-adv-x="448" />
+<glyph unicode="&#xa0;" horiz-adv-x="448" />
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+<glyph unicode="&#xa9;" horiz-adv-x="1792" />
+<glyph unicode="&#xae;" horiz-adv-x="1792" />
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diff --git a/web/fonts/fontawesome-webfont.woff b/web/fonts/fontawesome-webfont.woff
new file mode 100755
index 00000000..dc35ce3c
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diff --git a/web/fonts/fontawesome-webfont.woff2 b/web/fonts/fontawesome-webfont.woff2
new file mode 100755
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diff --git a/web/fonts/glyphicons-halflings-regular.ttf b/web/fonts/glyphicons-halflings-regular.ttf
new file mode 100755
index 00000000..1413fc60
--- /dev/null
+++ b/web/fonts/glyphicons-halflings-regular.ttf
diff --git a/web/fonts/glyphicons-halflings-regular.woff b/web/fonts/glyphicons-halflings-regular.woff
new file mode 100755
index 00000000..9e612858
--- /dev/null
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diff --git a/web/fonts/glyphicons-halflings-regular.woff2 b/web/fonts/glyphicons-halflings-regular.woff2
new file mode 100755
index 00000000..64539b54
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diff --git a/web/images/README.md b/web/images/README.md
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index 00000000..0c250fe5
--- /dev/null
+++ b/web/images/README.md
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+Icons provided by [IconsDB.com](http://www.iconsdb.com/red-icons/seo-performance-icon.html)
diff --git a/web/images/seo-performance-114.png b/web/images/seo-performance-114.png
new file mode 100755
index 00000000..89427079
--- /dev/null
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diff --git a/web/images/seo-performance-128.png b/web/images/seo-performance-128.png
new file mode 100755
index 00000000..c91a39b5
--- /dev/null
+++ b/web/images/seo-performance-128.png
diff --git a/web/images/seo-performance-16.png b/web/images/seo-performance-16.png
new file mode 100755
index 00000000..4bafb3c2
--- /dev/null
+++ b/web/images/seo-performance-16.png
diff --git a/web/images/seo-performance-24.png b/web/images/seo-performance-24.png
new file mode 100755
index 00000000..1a03f394
--- /dev/null
+++ b/web/images/seo-performance-24.png
diff --git a/web/images/seo-performance-256.png b/web/images/seo-performance-256.png
new file mode 100755
index 00000000..380c4317
--- /dev/null
+++ b/web/images/seo-performance-256.png
diff --git a/web/images/seo-performance-32.png b/web/images/seo-performance-32.png
new file mode 100755
index 00000000..407b3407
--- /dev/null
+++ b/web/images/seo-performance-32.png
diff --git a/web/images/seo-performance-48.png b/web/images/seo-performance-48.png
new file mode 100755
index 00000000..dd214992
--- /dev/null
+++ b/web/images/seo-performance-48.png
diff --git a/web/images/seo-performance-512.png b/web/images/seo-performance-512.png
new file mode 100755
index 00000000..b5164802
--- /dev/null
+++ b/web/images/seo-performance-512.png
diff --git a/web/images/seo-performance-64.png b/web/images/seo-performance-64.png
new file mode 100755
index 00000000..36f8af4c
--- /dev/null
+++ b/web/images/seo-performance-64.png
diff --git a/web/images/seo-performance-72.png b/web/images/seo-performance-72.png
new file mode 100755
index 00000000..e168fde0
--- /dev/null
+++ b/web/images/seo-performance-72.png
diff --git a/web/images/seo-performance-multi-size.icns b/web/images/seo-performance-multi-size.icns
new file mode 100755
index 00000000..2e1a884f
--- /dev/null
+++ b/web/images/seo-performance-multi-size.icns
diff --git a/web/images/seo-performance-multi-size.ico b/web/images/seo-performance-multi-size.ico
new file mode 100755
index 00000000..bba4043e
--- /dev/null
+++ b/web/images/seo-performance-multi-size.ico
diff --git a/web/index.html b/web/index.html
new file mode 100755
index 00000000..8c86e16c
--- /dev/null
+++ b/web/index.html
@@ -0,0 +1,1595 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<title>netdata dashboard</title>
+
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<meta charset="utf-8">
+	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<meta name="apple-mobile-web-app-capable" content="yes">
+	<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+	<meta name="author" content="costa@tsaousis.gr">
+
+	<link rel="shortcut icon" href="images/seo-performance-multi-size.ico">
+	
+	<link rel="apple-touch-icon" href="images/seo-performance-72.png">
+	<link rel="apple-touch-icon" sizes="72x72" href="images/seo-performance-72.png">
+	<link rel="apple-touch-icon" sizes="114x114" href="images/seo-performance-114.png">
+
+	<link rel="icon" type="image/png" sizes="512x512" href="images/seo-performance-512.png">
+	<link rel="icon" type="image/png" sizes="256x256" href="images/seo-performance-256.png">
+	<link rel="icon" type="image/png" sizes="128x128" href="images/seo-performance-128.png">
+	<link rel="icon" type="image/png" sizes="64x64" href="images/seo-performance-64.png">
+	<link rel="icon" type="image/png" sizes="48x48" href="images/seo-performance-48.png">
+	<link rel="icon" type="image/png" sizes="32x32" href="images/seo-performance-32.png">
+	<link rel="icon" type="image/png" sizes="24x24" href="images/seo-performance-24.png">
+	<link rel="icon" type="image/png" sizes="16x16" href="images/seo-performance-16.png">
+
+	<style>
+
+	/* prevent body from hidding under the navbar */
+	body {
+		padding-top: 50px;
+	}
+
+	.modal-wide .modal-dialog {
+		width: 80%;
+	}
+
+	/* fix # anchors scrolling under the navbar
+	   https://github.com/twbs/bootstrap/issues/1768#issuecomment-46519033
+	 */
+	h1 {
+		position: relative;
+		z-index: -1;
+	}
+	h2 {
+		position: relative;
+		z-index: -2;
+	}
+	h1:before, h2:before { 
+		display: block; 
+		content: " "; 
+		margin-top: -70px;
+		height: 70px;
+		visibility: hidden; 
+	}
+
+	.p {
+		display: block;
+		margin-top: 15px;
+	}
+
+	.option-row,
+	.option-control {
+		vertical-align: top;
+		padding: 10px;
+		padding-top: 30px;
+		padding-left: 30px;
+	}
+
+	.option-info {
+		padding: 10px;
+	}
+
+	.chart-message {
+		display: block; 
+		margin-top: 10px;
+	}
+
+	.container {
+		width: 90% !important;
+	}
+
+	#masthead h1 {
+		/*font-size: 30px;*/
+		line-height: 1;
+		padding-top: 30px;
+	}
+
+	#masthead .well {
+		margin-top:4%;
+	}
+
+	/* fix the navbar shifting when a modal is open */
+	/* https://github.com/twbs/bootstrap/issues/14040#issuecomment-159891033 */
+	body.modal-open{
+		width: 100% !important;
+		padding-right: 0 !important;
+/*		overflow-y: scroll !important; */
+/*		position: fixed !important;*/
+		overflow: visible;
+	}
+
+	/*
+	 * Side navigation
+	 *
+	 * Scrollspy and affixed enhanced navigation to highlight sections and secondary
+	 * sections of docs content.
+	 */
+
+	.affix {
+		position: static;
+		top: 70px !important;
+		/*width: 220px;*/
+	}
+
+	.affix-top {
+		/*width: 220px;*/
+	}
+
+	.dashboard-sidebar {
+		max-height: calc(100% - 70px) !important;
+		overflow-y: auto;
+		/*width: 220px !important;*/
+	}
+
+	/* By default it's not affixed in mobile views, so undo that */
+	.dashboard-sidebar.affix {
+		position: static;
+	}
+
+	@media (min-width: 768px) {
+		.dashboard-sidebar {
+			padding-left: 20px;
+		}
+	}
+
+	/* First level of nav */
+	.dashboard-sidenav {
+		margin-top: 20px;
+		margin-bottom: 20px;
+	}
+
+	/* All levels of nav */
+	.dashboard-sidebar .nav > li > a {
+		display: block;
+		padding: 4px 20px;
+		font-size: 13px;
+		font-weight: 500;
+		color: #767676;
+	}
+	.dashboard-sidebar .nav > li > a:hover,
+	.dashboard-sidebar .nav > li > a:focus {
+		padding-left: 19px;
+		color: #563d7c;
+		text-decoration: none;
+		background-color: transparent;
+		border-left: 1px solid #563d7c;
+	}
+	.dashboard-sidebar .nav > .active > a,
+	.dashboard-sidebar .nav > .active:hover > a,
+	.dashboard-sidebar .nav > .active:focus > a {
+		padding-left: 18px;
+		font-weight: bold;
+		color: #563d7c;
+		background-color: transparent;
+		border-left: 2px solid #563d7c;
+	}
+
+	/* Nav: second level (shown on .active) */
+	.dashboard-sidebar .nav .nav {
+		display: none; /* Hide by default, but at >768px, show it */
+		padding-bottom: 10px;
+	}
+	.dashboard-sidebar .nav .nav > li > a {
+		padding-top: 1px;
+		padding-bottom: 1px;
+		padding-left: 30px;
+		font-size: 12px;
+		font-weight: normal;
+	}
+	.dashboard-sidebar .nav .nav > li > a:hover,
+	.dashboard-sidebar .nav .nav > li > a:focus {
+		padding-left: 29px;
+	}
+	.dashboard-sidebar .nav .nav > .active > a,
+	.dashboard-sidebar .nav .nav > .active:hover > a,
+	.dashboard-sidebar .nav .nav > .active:focus > a {
+		padding-left: 28px;
+		font-weight: 500;
+	}
+
+	/* Back to top (hidden on mobile) */
+	.back-to-top,
+	.dashboard-theme-toggle {
+		display: none;
+		padding: 4px 10px;
+		margin-top: 10px;
+		margin-left: 10px;
+		font-size: 12px;
+		font-weight: 500;
+		color: #999;
+	}
+	.back-to-top:hover,
+	.dashboard-theme-toggle:hover {
+		color: #563d7c;
+		text-decoration: none;
+	}
+	.dashboard-theme-toggle {
+		margin-top: 0;
+	}
+
+	@media (min-width: 768px) {
+		.back-to-top,
+		.dashboard-theme-toggle {
+			display: block;
+		}
+
+		/* Widen the fixed sidebar */
+		.dashboard-sidebar.affix,
+		.dashboard-sidebar.affix-top,
+		.dashboard-sidebar.affix-bottom {
+			width: 200px !important;
+		}
+
+		.dashboard-sidebar.affix {
+			position: fixed; /* Undo the static from mobile first approach */
+			top: 20px;
+		}
+
+		.dashboard-sidebar.affix-bottom {
+			position: absolute; /* Undo the static from mobile first approach */
+		}
+
+		.dashboard-sidebar.affix-bottom .dashboard-sidenav,
+		.dashboard-sidebar.affix .dashboard-sidenav {
+			margin-top: 0;
+			margin-bottom: 0;
+		}
+	}
+
+	/* Show and affix the side nav when space allows it */
+	@media (min-width: 992px) {
+		.dashboard-sidebar .nav > .active > ul {
+			display: block;
+		}
+
+		/* Widen the fixed sidebar */
+		.dashboard-sidebar.affix,
+		.dashboard-sidebar.affix-top,
+		.dashboard-sidebar.affix-bottom {
+			width: 200px !important;
+		}
+		.dashboard-sidebar.affix {
+			position: fixed; /* Undo the static from mobile first approach */
+			top: 20px;
+		}
+		.dashboard-sidebar.affix-bottom {
+			position: absolute; /* Undo the static from mobile first approach */
+		}
+		.dashboard-sidebar.affix-bottom .dashboard-sidenav,
+		.dashboard-sidebar.affix .dashboard-sidenav {
+			margin-top: 0;
+			margin-bottom: 0;
+		}
+	}
+
+	@media (min-width: 1200px) {
+		/* Widen the fixed sidebar again */
+		.dashboard-sidebar.affix-bottom,
+		.dashboard-sidebar.affix-top,
+		.dashboard-sidebar.affix {
+			width: 263px;
+		}
+	}
+	</style>
+
+	<!-- you can set your netdata server globally, by ucommenting this -->
+	<!-- you can also give a different server per chart, with the attribute: data-host="http://netdata.server:19999" -->
+	<!-- <script> netdataServer = "http://box:19999"; </script> -->
+
+	<!-- load the dashboard manager - it will do the rest -->
+	<script>var netdataTheme = 'slate';</script>
+	<script type="text/javascript" src="dashboard.js?v25"></script>
+</head>
+
+<body data-spy="scroll" data-target="#sidebar">
+	<nav class="navbar navbar-default navbar-fixed-top" role="banner">
+		<div class="container">
+			<div class="navbar-header">
+				<button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".navbar-collapse">
+					<span class="sr-only">Toggle navigation</span>
+					<span class="icon-bar"></span>
+					<span class="icon-bar"></span>
+					<span class="icon-bar"></span>
+				</button>
+				<a href="/" class="navbar-brand" id="hostname">netdata</a>
+			</div>
+			<nav class="collapse navbar-collapse navbar-right" role="navigation">
+				<ul class="nav navbar-nav">
+					<li><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fa fa-cog"></i> settings</a></li>
+					<li><a href="https://github.com/firehol/netdata/wiki" class="btn" target="_blank"><i class="fa fa-github"></i> community</a></li>
+<!--					<li><a href="old/" class="btn" target="_blank"><i class="fa fa-step-backward"></i> old dashboard</a></li> -->
+					<li><a href="#" class="btn" data-toggle="modal" data-target="#helpModal"><i class="fa fa-question-circle"></i> help</a></li>
+<!--					<li><a href="#sec">Visualize</a></li>
+					<li><a href="#sec">Prototype</a></li>
+-->				</ul>
+			</nav>
+		</div>
+	</nav>
+
+	<div id="masthead" style="display: none;">
+		<div class="container">
+			<div class="row">
+				<div class="col-md-7">
+					<h1>Netdata
+						<p class="lead">Real-time performance monitoring, in the greatest possible detail</p>
+					</h1>
+				</div>
+				<div class="col-md-5">
+					<div class="well well-lg">
+						<div class="row">
+						<div class="col-md-6">
+							<b>Drag</b> charts to pan.
+							<b>Shift + wheel</b> on them, to zoom in and out.
+							<b>Double-click</b> on them, to reset.
+							<b>Hover</b> on them too!
+							</div>
+						<div class="col-md-6">
+							<div data-netdata="system.intr" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-dygraph-type="line" data-dygraph-strokewidth="3" data-dygraph-smooth="true" data-dygraph-highlightcirclesize="6" data-after="-90" data-height="60px" data-colors="#C66"></div>
+							</div>
+						</div>
+					</div>
+				</div>
+			</div>
+		</div>
+	</div>
+
+	<div class="container">
+		<div class="row">
+			<div class="col-md-10" role="main">
+				<div id="charts_div"></div>
+			</div>
+			<div class="col-md-2" role="complementary">
+				<nav class="dashboard-sidebar hidden-print hidden-xs hidden-sm" id="sidebar" role="menu"></nav>
+			</div>
+		</div>
+	</div>
+
+	<div id="footer" class="container" style="display: none;">
+		<div class="row">
+			<div class="col-md-10" role="main">
+				<div class="p">
+					<big><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></big><br/>
+					<i class="fa fa-copyright"></i> Copyright 2016, Costa Tsaousis.<br/>
+					Released under <a href="http://www.gnu.org/licenses/gpl-3.0.en.html" target="_blank">GPL v3 or later</a>.<br/>
+				</div>
+				<div class="p">
+					<small>
+						<a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a> re-distributes these software tools:
+
+						<i class="fa fa-circle"></i> The excellent <a href="http://dygraphs.com/" target="_blank">Dygraphs.com</a> web chart library,
+						<i class="fa fa-copyright"></i> Copyright 2009, Dan Vanderkam, <a href="http://dygraphs.com/legal.html" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://omnipotent.net/jquery.sparkline/" target="_blank">jQuery Sparklines</a> web chart library,
+						<i class="fa fa-copyright"></i> Copyright 2009-2012, Splunk Inc., <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">New BSD License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://benpickles.github.io/peity/" target="_blank">Peity</a> web chart library,
+						<i class="fa fa-copyright"></i> Copyright 2009-2015, Ben Pickles, <a href="https://github.com/benpickles/peity/blob/master/MIT-LICENCE" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="https://rendro.github.io/easy-pie-chart/" target="_blank">Easy Pie Chart</a> web chart library,
+						<i class="fa fa-copyright"></i> Copyright 2013, Robert Fleischmann, <a href="https://github.com/rendro/easy-pie-chart/blob/master/LICENSE" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://bernii.github.io/gauge.js/" target="_blank">Gauge.js</a> web chart library,
+						<i class="fa fa-copyright"></i> Copyright, Bernard Kobos, <a href="http://bernii.github.io/gauge.js/" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="https://jquery.org/" target="_blank">jQuery</a>,
+						<i class="fa fa-copyright"></i> Copyright 2015, jQuery Foundation, <a href="https://jquery.org/license/" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://getbootstrap.com/getting-started/" target="_blank">Bootstrap</a>,
+						<i class="fa fa-copyright"></i> Copyright 2015, Twitter, <a href="http://getbootstrap.com/getting-started/#license-faqs" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://www.bootstraptoggle.com/" target="_blank">Bootstrap Toggle</a>,
+						<i class="fa fa-copyright"></i> Copyright (c) 2011-2014 Min Hur, The New York Times Company, <a href="https://github.com/minhur/bootstrap-toggle/blob/master/LICENSE" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="https://jamesflorentino.github.io/nanoScrollerJS/" target="_blank">NanoScroller</a>,
+						<i class="fa fa-copyright"></i> Copyright 2012, James Florentino, <a href="https://github.com/jamesflorentino/nanoScrollerJS/blob/master/LICENSE" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="https://github.com/marcj/css-element-queries" target="_blank">CSS Element Queries</a>,
+						<i class="fa fa-copyright"></i> Copyright Marc J. Schmidt, <a href="https://github.com/marcj/css-element-queries/blob/master/LICENSE" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="https://fortawesome.github.io/Font-Awesome/" target="_blank">FontAwesome</a>,
+						<i class="fa fa-copyright"></i> Created by Dave Gandy, Font: <a href="http://scripts.sil.org/OFL" target="_blank">SIL OFL 1.1 License</a>, CSS: <a href="http://opensource.org/licenses/mit-license.html" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://www.iconsdb.com/soylent-red-icons/seo-performance-icon.html" target="_blank">IconsDB.com Icons</a>, Icons provided as CC0 1.0 Universal (CC0 1.0) Public Domain Dedication.
+
+						<i class="fa fa-circle"></i> <a href="http://morrisjs.github.io/morris.js/" target="_blank">morris.js</a>,
+						<i class="fa fa-copyright"></i> Copyright 2013, Olly Smith, <a href="http://morrisjs.github.io/morris.js/" target="_blank">Simplified BSD License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://raphaeljs.com/" target="_blank">Raphaël</a>,
+						<i class="fa fa-copyright"></i> Copyright 2008, Dmitry Baranovskiy, <a href="http://raphaeljs.com/license.html" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://C3js.org/" target="_blank">C3</a>,
+						<i class="fa fa-copyright"></i> Copyright 2013, Masayuki Tanaka, <a href="https://github.com/masayuki0812/c3/blob/master/LICENSE" target="_blank">MIT License</a>
+
+						<i class="fa fa-circle"></i> <a href="http://D3js.org/" target="_blank">D3</a>,
+						<i class="fa fa-copyright"></i> Copyright 2015, Mike Bostock, <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">BSD License</a>
+
+					</small>
+				</div>
+			</div>
+		</div>
+	</div>
+
+	<div class="modal fade" id="welcomeModal" tabindex="-1" role="dialog" aria-labelledby="welcomeModalLabel">
+		<div class="modal-dialog modal-lg" role="document">
+			<div class="modal-content">
+				<div class="modal-header">
+					<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+					<h4 class="modal-title" id="welcomeModalLabel">Welcome!</h4>
+				</div>
+				<div class="modal-body">
+						<div class="p">
+						<b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> is the fastest way to visualize metrics. It is a resource efficient, highly optimized system for collecting and visualizing any type of realtime timeseries data, from CPU usage, disk activity, SQL queries, API calls, web site visitors, etc.
+						</div>
+						<div class="p">
+						<b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> tries to visualize the truth of <b>now</b>, in its <b>greatest detail</b>, so that you can get insights of what is happening now and what just happened, on your systems and applications.
+						</div>
+						<div class="p">
+						To make a chart in <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b>, you just need a <b>number</b>. Just a number you can read somehow. <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> will turn this number to a real time, interactive, web chart. For collecting these numbers, it supports <a href="https://github.com/firehol/netdata/wiki/External-Plugins" target="_blank">external plugins</a>, even <a href="https://github.com/firehol/netdata/wiki/General-Info---charts.d" target="_blank">shell</a> or <a href="https://github.com/firehol/netdata/wiki/General-Info---charts.d" target="_blank">node.js</a> plugins. Any computer program, in any language, that can print a few lines of text on its standard output, can be a netdata data collector.
+						</div>
+						<div class="p">
+						<b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> can embed charts everywhere, like this one <div data-netdata="system.cpu" data-dimensions="system" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-show-value-of-system-at="system.cpu.system.modal.1"></div> (my CPU system usage which is <span id="system.cpu.system.modal.1" style="display: inline-block; width: 40px; text-align: right;"></span>%),
+						or this one <div data-netdata="ipv4.tcppackets" data-dimensions="received" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-show-value-of-received-at="ipv4.tcppackets.received.modal.1"></div> (my IPv4 received TCP packets, which are <span id="ipv4.tcppackets.received.modal.1" style="display: inline-block; width: 60px; text-align: right;"></span>/second).
+						</div>
+						<div class="p">
+						You can have <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> charts on your site too. Just give it a <code>div</code> and a real time chart, zoomable and draggable will appear (try it even on these tiny ones - <b>drag</b> them to pan horizontally, <b>shift + drag</b> to zoom in, on <b>chrome shift + mouse wheel</b> to zoom in/out, <b>double click</b> on them to reset them - don't be afraid of <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> performance - <a href="https://github.com/firehol/netdata/wiki/Performance" target="_blank">a raspberry pi 2 can sustain 300 charts updates per second</a>!).
+						</div>
+						<div class="p">
+						For more information please refer to the <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata wiki</a></b>.
+						</div>
+				</div>
+				<div class="modal-footer">
+					<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+				</div>
+			</div>
+		</div>
+	</div>
+
+	<div class="modal fade" id="helpModal" tabindex="-1" role="dialog" aria-labelledby="helpModalLabel">
+		<div class="modal-dialog modal-lg" role="document">
+			<div class="modal-content">
+				<div class="modal-header">
+					<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+					<h4 class="modal-title" id="helpModalLabel">Dashboard Help</h4>
+				</div>
+				<div class="modal-body">
+
+					<h4>Dygraphs (line, area and stacked area charts)</h4>
+
+					<!-- Nav tabs -->
+					<ul class="nav nav-tabs" role="tablist">
+						<li role="presentation" class="active"><a href="#help_mouse" aria-controls="help_mouse" role="tab" data-toggle="tab">Mouse Interface</a></li>
+						<li role="presentation"><a href="#help_touch" aria-controls="help_touch" role="tab" data-toggle="tab">Touch Interface</a></li>
+					</ul>
+
+					<!-- Tab panes -->
+					<div class="tab-content">
+						<div role="tabpanel" class="tab-pane active" id="help_mouse">
+							<div class="p">
+								<h4>Mouse Over / Hover</h4>
+								Mouse over on a chart to show, at its legend, the values for the timestamp under the mouse (the chart will also highlight the point at the chart).
+								<br/>
+								All the other visible charts will also show and highlight their values for the same timestamp.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>Drag Chart Contents</h4>
+								Drag the contents of a chart to pan it horizontally.
+								<br/>
+								All the charts will follow soon after you let the chart alone (this little delay is by design: it speeds up your browser and lets you focus on what you are exploring).
+								<br/>
+								Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double click</b> a panned chart.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>Double Click</h4>
+								Double Click a chart to reset all the charts to their default auto-refreshing state.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>SHIFT + Drag</h4>
+								While pressing the shift key, click on the contents of a chart and move the mouse to select an area, to zoom in. The other charts will follow too. Zooming is performed in two phases:
+								<ul>
+									<li>The already loaded chart contents are zoomed (low resolution)</li>
+									<li>New data are transfered from the netdata server, to refresh the chart with possibly more detail.</li>
+								</ul>
+								Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>SHIFT + Mouse Wheel <small>(does not work on firefox and IE/Edge)</small></h4>
+								While pressing the shift key and the mouse pointer is over the contents of a chart, scroll the mouse wheel to zoom in or out. This kind of zooming is aligned to center below the mouse pointer. The other charts will follow too.
+								<br/>
+								Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>Legend Operations</h4>
+								Click on the label or value of a dimension, will select / unselect this dimension.
+								<br/>
+								You can press any of the SHIFT or CONTROL keys and then click on legend labels or values, to select / unselect multiple dimensions.
+							</div>
+						</div>
+						<div role="tabpanel" class="tab-pane" id="help_touch">
+							<div class="p">
+								<h4>Single Tap</h4>
+								Single Tap on the contents of a chart to show, at its legend, the values for the timestamp tapped (the chart will also highlight the point at the chart).
+								<br/>
+								All the other visible charts will also show and highlight their values for the same timestamp.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>Drag Chart Contents</h4>
+								Touch and Drag the contents of a chart to pan it horizontally.
+								<br/>
+								All the charts will follow soon after you let the chart alone (this little delay is by design: it speeds up your browser and lets you focus on what you are exploring).
+								<br/>
+								Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double tap</b> a panned chart.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>Double Tap</h4>
+								Double tap a chart to reset all the charts to their default auto-refreshing state.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>Zoom <small>(does not work on firefox and IE/Edge)</small></h4>
+								With two fingers, zoom in or out.
+								<br/>
+								Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
+							</div>
+							<hr/>
+							<div class="p">
+								<h4>Legend Operations</h4>
+								Tap on the label or value of a dimension, will select / unselect this dimension.
+							</div>
+						</div>
+					</div>
+				</div>
+				<div class="modal-footer">
+					<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+				</div>
+			</div>
+		</div>
+	</div>
+
+	<div class="modal fade" id="optionsModal" tabindex="-1" role="dialog" aria-labelledby="optionsModalLabel">
+		<div class="modal-dialog modal-lg" role="document">
+			<div class="modal-content">
+				<div class="modal-header">
+					<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+					<h4 class="modal-title" id="optionsModalLabel">netdata dashboard options</h4>
+				</div>
+				<div class="modal-body">
+					<center>
+						<small style="color: #BBBBBB;">Settings take effect immediately and are saved permanently to browser local storage (except the refresh on focus / always option).
+						<br/>
+						To reset all options (including charts sizes) to their defaults, click <a href="#" onclick="NETDATA.resetOptions(); return false;">here</a>.</small>
+					</center>
+					<div style="padding: 10px;"></div>
+
+					<!-- Nav tabs -->
+					<ul class="nav nav-tabs" role="tablist">
+						<li role="presentation" class="active"><a href="#settings_performance" aria-controls="settings_performance" role="tab" data-toggle="tab">Performance</a></li>
+						<li role="presentation"><a href="#settings_sync" aria-controls="settings_sync" role="tab" data-toggle="tab">Synchronization</a></li>
+						<li role="presentation"><a href="#settings_visual" aria-controls="settings_visual" role="tab" data-toggle="tab">Visual</a></li>
+					</ul>
+
+					<!-- Tab panes -->
+					<div class="tab-content">
+						<div role="tabpanel" class="tab-pane active" id="settings_performance">
+							<form id="optionsForm" method="get" class="form-horizontal">
+								<div class="form-group">
+									<table>
+									<tr class="option-row">
+										<td class="option-control"><input id="stop_updates_when_focus_is_lost" type="checkbox" checked data-toggle="toggle" data-offstyle="danger" data-onstyle="success" data-on="On Focus" data-off="Always" data-width="110px"></td>
+										<td class="option-info"><strong>When to refresh the charts?</strong><br/>
+											<small>When set to <b>On Focus</b>, the charts will stop being updated if the page / tab does not have the focus of the user. When set to <b>Always</b>, the charts will always be refreshed. Set it to <b>On Focus</b> it to lower the CPU requirements of the browser (and extend the battery of laptops and tablets) when this page does not have your focus. Set to <b>Always</b> to work on another window (i.e. change the settings of something) and have the charts auto-refresh in this window.</small>
+										</td>
+										</tr>
+									<tr class="option-row">
+										<td class="option-control">
+										<input id="eliminate_zero_dimensions" type="checkbox" checked data-toggle="toggle" data-on="Non Zero" data-off="All" data-width="110px">
+										</td>
+										<td class="option-info"><strong>Which dimensions to show?</strong><br/>
+											<small>When set to <b>Non Zero</b>, dimensions that have all their values (within the current view) set to zero will not be transfered from the netdata server (except if all dimensions of the chart are zero, in which case this setting does nothing - all dimensions are transfered and shown). When set to <b>All</b>, all dimensions will always be shown. Set it to <b>Non Zero</b> to lower the data transfered between netdata and your browser, lower the CPU requirements of your browser (fewer lines to draw) and increase the focus on the legends (fewer entries at the legends).</small>
+										</td>
+										</tr>
+									<tr class="option-row">
+										<td class="option-control"><input id="destroy_on_hide" type="checkbox" data-toggle="toggle" data-on="Destroy" data-off="Hide" data-width="110px"></td>
+										<td class="option-info"><strong>How to handle hidden charts?</strong><br/>
+											<small>When set to <b>Destroy</b>, charts that are not in the current viewport of the browser (are above, or below the visible area of the page), will be destroyed and re-created if and when they become visible again. When set to <b>Hide</b>, the not-visible charts will be just hidden, to simplify the DOM and speed up your browser. Set it to <b>Destroy</b>, to lower the memory requirements of your browser. Set it to <b>Hide</b> for smoother page scrolling.</small>
+										</td>
+										</tr>
+									</table>
+								</div>
+							</form>
+						</div>
+						<div role="tabpanel" class="tab-pane" id="settings_sync">
+							<form id="optionsForm" method="get" class="form-horizontal">
+								<div class="form-group">
+									<table>
+									<tr class="option-row">
+										<td class="option-control"><input id="parallel_refresher" type="checkbox" checked data-toggle="toggle" data-on="Parallel" data-off="Sequencial" data-width="110px"></td>
+										<td class="option-info"><strong>Which chart refresh policy to use?</strong><br/>
+											<small>When set to <b>parallel</b>, visible charts are refreshed in parallel (all queries are sent to netdata server in parallel) and are rendered asynchronously. When set to <b>sequencial</b> charts are refreshed one after another. Set it to parallel if your browser can cope with it (most modern browsers do), set it to sequencial if you work on an older/slower computer.</small>
+										</td>
+										</tr>
+									<tr class="option-row" id="concurrent_refreshes_row">
+										<td class="option-control"></td>
+										<td class="option-info">
+											<table>
+											<tr class="option-row">
+											<td class="option-control">
+											<input id="concurrent_refreshes" type="checkbox" checked data-toggle="toggle" data-on="Resync" data-off="Best Effort" data-width="110px">
+											</td>
+											<td class="option-info">
+											<strong>Shall we re-sync chart refreshes?</strong><br/>
+											<small>When set to <b>Resync</b>, the dashboard will attempt to re-synchronize all the charts so that they are refreshed concurrently. When set to <b>Best Effort</b>, each chart may be refreshed with a little time difference to the others. Normally, the dashboard starts refreshing them in parallel, but depending on the speed of your computer and the network latencies, charts start having a slight time difference. Setting this to <b>Resync</b> will attempt to re-synchronize the charts on every update. Setting it to <b>Best Effort</b> may lower the pressure on your browser and the network.</small>
+											</td>
+											</tr>
+											</table>
+										</td>
+										</tr>
+									<tr class="option-row">
+										<td class="option-control"><input id="sync_selection" type="checkbox" checked data-toggle="toggle" data-on="Sync" data-off="Don't Sync" data-onstyle="success" data-offstyle="danger" data-width="110px"></td>
+										<td class="option-info"><strong>Sync hover selection on all charts?</strong><br/>
+											<small>When enabled, a selection on one chart will automatically select the same time on all other visible charts and the legends of all visible charts will be updated to show the selected values. When disabled, only the chart getting the user's attention will be selected. Enable it to get better insights of the data. Disable it if you are on a very slow computer that cannot actually do it.</small>
+										</td>
+										</tr>
+									<tr class="option-row">
+										<td class="option-control"><input id="sync_pan_and_zoom" type="checkbox" checked data-toggle="toggle"  data-on="Sync" data-off="Don't Sync" data-onstyle="success" data-offstyle="danger" data-width="110px"></td>
+										<td class="option-info"><strong>Sync pan and zoom on all charts?</strong><br/>
+											<small>When enabled, pan and zoom operations on a chart will be replicated to all charts (even the ones that are not currently visible - of course only when they will become visible). When disabled, pan and zoom operations will not be propagated to other charts.</small>
+										</td>
+										</tr>
+									</table>
+								</div>
+							</form>
+						</div>
+						<div role="tabpanel" class="tab-pane" id="settings_visual">
+							<form id="optionsForm" method="get" class="form-horizontal">
+								<div class="form-group">
+									<table>
+									<tr class="option-row">
+										<td class="option-control"><input id="pan_and_zoom_data_padding" type="checkbox" checked data-toggle="toggle"  data-on="Pad" data-off="Don't Pad" data-width="110px"></td>
+										<td class="option-info"><strong>Enable data padding when panning and zooming?</strong><br/>
+											<small>When set to <b>Pad</b> the charts will be padded with more data, both before and after the visible area, thus giving the impression the whole database is loaded. This padding will happen only after the first pan or zoom operation on the chart (initially all charts have only the visible data). When set to <b>Don't Pad</b> only the visible data will be transfered from the netdata server, even after the first pan and zoom operation.</small>
+										</td>
+										</tr>
+									<tr class="option-row">
+										<td class="option-control"><input id="smooth_plot" type="checkbox" checked data-toggle="toggle"  data-on="Smooth" data-off="Rough" data-width="110px"></td>
+										<td class="option-info"><strong>Enable Bézier lines on charts?</strong><br/>
+											<small>When set to <b>Smooth</b> the charts libraries that support it, will plot smooth curves instead of simple straight lines to connect the points.</small>
+										</td>
+										</tr>
+									</table>
+								</div>
+							</form>
+						</div>
+					</div>
+				</div>
+				<div class="modal-footer">
+					<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+				</div>
+			</div>
+		</div>
+	</div>
+
+</body>
+</html>
+<script>
+
+var demo_hostname = 'netdata.firehol.org';
+// var demo_hostname = 'box';
+
+if(document.location.hostname === demo_hostname) {
+	document.getElementById('masthead').style.display = 'block';
+}
+
+var options = {
+	sparklines_registry: {},
+	submenu_names: {},
+	data: null,
+	hostname: 'netdata_server', // will be overwritten by the netdata server
+	categories: new Array(),
+	categories_idx: {},
+	families: new Array(),
+	families_idx: {},
+
+	chartsPerRow: 0,
+	chartsMinWidth: 1450,
+	chartsHeight: 180,
+	sparklinesHeight: 60
+};
+
+// generate a sparkline
+// used in the documentation
+function sparkline(chart, dimension, units) {
+	var key = chart + '.' + dimension;
+
+	if(typeof units === 'undefined')
+		units = '';
+
+	if(typeof options.sparklines_registry[key] === 'undefined')
+		options.sparklines_registry[key] = { count: 1 };
+	else
+		options.sparklines_registry[key].count++;
+
+	key = key + '.' + options.sparklines_registry[key].count;
+
+	var h = '<div data-netdata="' + chart + '" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-dimensions="' + dimension + '" data-show-value-of-' + dimension + '-at="' + key + '"></div> (<span id="' + key + '" style="display: inline-block; min-width: 50px; text-align: right;">X</span>' + units + ')';
+
+	return h;
+}
+
+function chartsPerRow(total) {
+	if(options.chartsPerRow === 0) {
+		width = Math.floor(total / options.chartsMinWidth);
+		if(width === 0) width = 1;
+		return width;
+	}
+	else return options.chartsPerRow;
+}
+
+function prioritySort(a, b) {
+	if(a.priority < b.priority) return -1;
+	if(a.priority > b.priority) return 1;
+	if(a.name < b.name) return -1;
+	return 1;
+}
+
+function sortObjectByPriority(object) {
+	var idx = {};
+	var sorted = new Array();
+
+	for(var i in object) {
+		if(typeof idx[i] === 'undefined') {
+			idx[i] = object[i];
+			sorted.push(i);
+		}
+	}
+
+	sorted.sort(function(a, b) {
+		if(idx[a].priority < idx[b].priority) return -1;
+		if(idx[a].priority > idx[b].priority) return 1;
+		if(a < b) return -1;
+		return 1;
+	});
+
+	return sorted;
+}
+
+// ----------------------------------------------------------------------------
+
+function gaugeChart(title, width, dimensions, colors) {
+	if(typeof colors === 'undefined')
+		colors = '';
+	
+	if(typeof dimensions === 'undefined')
+		dimensions = '';
+	
+	return '<div data-netdata="CHART_UNIQUE_ID"'
+							+ ' data-dimensions="' + dimensions + '"'
+							+ ' data-chart-library="gauge"'
+							+ ' data-gauge-adjust="width"'
+							+ ' data-title="' + title + '"'
+							+ ' data-width="' + width + '"'
+							+ ' data-before="0"'
+							+ ' data-after="-CHART_DURATION"'
+							+ ' data-points="CHART_DURATION"'
+							+ ' data-colors="' + colors + '"'
+							+ ' role="application"></div>';
+}
+
+// ----------------------------------------------------------------------------
+
+var menuData = {
+	'system': {
+		title: 'System Overview',
+		info: 'Overview of the key system metrics.'
+	},
+
+	'ap': {
+		title: 'Access Points',
+		info: undefined
+	},
+
+	'tc': {
+		title: 'Quality of Service',
+		info: 'Netdata collects and visualizes tc class utilization using its <a href="https://github.com/firehol/netdata/blob/master/plugins.d/tc-qos-helper.sh" target="_blank">tc-helper plugin</a>. If you also use <a href="http://firehol.org/#fireqos" target="_blank">FireQOS</a> for setting up QoS, netdata automatically collects interface and class names. If your QoS configuration includes overheads calculation, the values shown here will include these overheads (the total bandwidth for the same interface as reported in the Network Interfaces section, will be lower than the total bandwidth reported here). Also, data collection may have a slight time difference compared to the interface (QoS data collection is implemented with a BASH script, so a shift in data collection of a few milliseconds should be justified).'
+	},
+
+	'net': {
+		title: 'Network Interfaces',
+		info: 'Per network interface statistics collected from <code>/proc/net/dev</code>.'
+	},
+
+	'ipv4': {
+		title: 'IPv4 Networking',
+		info: undefined
+	},
+
+	'ipvs': {
+		title: 'IP Virtual Server',
+		info: undefined
+	},
+
+	'netfilter': {
+		title: 'Firewall (netfilter)',
+		info: undefined
+	},
+
+	'cpu': {
+		title: 'CPUs',
+		info: undefined
+	},
+
+	'mem': {
+		title: 'Memory',
+		info: undefined
+	},
+
+	'disk': {
+		title: 'Disks',
+		info: undefined
+	},
+
+	'sensors': {
+		title: 'Sensors',
+		info: undefined
+	},
+
+	'nfsd': {
+		title: 'File Server (nfsd)',
+		info: undefined
+	},
+
+	'apps': {
+		title: 'Applications',
+		info: 'Per application statistics are collected using netdata\'s <code>apps.plugin</code>. This plugin walks through the entire <code>/proc</code> filesystem and aggregates statistics for applications of interest, defined in <code>/etc/netdata/apps_groups.conf</code> (the default is <a href="https://github.com/firehol/netdata/blob/master/conf.d/apps_groups.conf" target="_blank">here</a>). The plugin internaly builds a process tree (much like <code>ps fax</code> does), and groups processes together (evaluating both child and parent processes) so that the result is always a chart with a predefined set of dimensions (of course, only application groups found running are reported).<br/><b>IMPORTANT</b>: The values shown here are not 100% accurate. They only include values for the processes running. If an application is spawning childs continiously, which are terminated in just a few milliseconds (like shell scripts do), the values reported will be inaccurate. Linux does report the values for the exited childs of a process. However, these values are reported to the parent process <b>only when the child exits</b>. If these values, of the exited child processes, were also aggregated in the charts below, the charts would have been full of spikes, presenting unrealisting utilization for each process group. So, we decided to ignore these values and present only the utilization of <b>the currently running processes</b>.',
+		height: 1.5
+	},
+
+	'netdata': {
+		title: 'Netdata Monitoring',
+		info: undefined
+	},
+
+	'example': {
+		title: 'Example Charts',
+		info: undefined
+	},
+};
+
+var submenuData = {
+	'mem.ksm': {
+		title: 'Memory Deduper',
+		info: 'Kernel Same-page Merging (KSM) is the kernel memory de-duper.'
+	}
+};
+
+var chartData = {
+	'system.cpu': {
+		info: 'Total CPU utilization (all cores). 100% here means there is no CPU idle time at all. You can get per core usage at the <a href="#cpu">CPUs</a> section and per application usage at the <a href="#apps">Applications Monitoring</a> section.<br/>Keep an eye on <b>iowait</b> ' + sparkline('system.cpu', 'iowait', '%') + '. If it is constantly high, your disks are a bottleneck and they slow your system down.<br/>Another important metric worth monitoring, is <b>softirq</b> ' + sparkline('system.cpu', 'softirq', '%') + '. A constantly high percentage of softirq may indicate network drivers issues.'
+	},
+
+	'system.load': {
+		info: 'Current system load read from <code>/proc/loadavg</code>.',
+		height: 0.7
+	},
+
+	'system.io': {
+		info: 'Total Disk I/O, for all disks, read from <code>/proc/vmstat</code>. You can get detailed information about each disk at the <a href="#disk">Disks</a> section and per application Disk usage at the <a href="#apps">Applications Monitoring</a> section.'
+	},
+
+	'system.swapio': {
+		info: 'Total Swap I/O, read from <code>/proc/vmstat</code>. (netdata measures both <code>in</code> and <code>out</code>. If either of them is not shown in the chart, it is because it is zero - you can change the page settings to always render all the available dimensions on all charts).'
+	},
+
+	'system.pgfaults': {
+		info: 'Total page faults, read from <code>/proc/vmstat</code>. <b>Major page faults</b> indicates that the system is using its swap. You can find which applications use the swap at the <a href="#apps">Applications Monitoring</a> section.'
+	},
+
+	'system.entropy': {
+		colors: '#CC22AA',
+		info: '<a href="https://en.wikipedia.org/wiki/Entropy_(computing)" target="_blank">Entropy</a>, read from <code>/proc/sys/kernel/random/entropy_avail</code>, is like a pool of random numbers that are mainly used in cryptography. It is advised that the pool remains always <a href="https://blog.cloudflare.com/ensuring-randomness-with-linuxs-random-number-generator/" target="_blank">above 200</a>. If the pool of entropy gets empty, you risk your security to be predictable and you should install a user-space random numbers generating daemon, like <a href="http://www.issihosts.com/haveged/" target="_blank">haveged</a>, to keep the pool in healthy levels.'
+	},
+
+	'system.forks': {
+		colors: '#5555DD',
+		info: 'The number of new processes created per second, read from <code>/proc/stat</code>.'
+	},
+
+	'system.intr': {
+		colors: '#DD5555',
+		info: 'Total number of CPU interrupts, read from <code>/proc/stat</code>. Check <code>system.interrupts</code> that gives more detail about each interrupt and also the <a href="#cpu">CPUs</a> section where interrupts are analyzed per CPU core.'
+	},
+
+	'system.interrupts': {
+		info: 'CPU interrupts in detail, read from <code>/proc/interrupts</code>. At the <a href="#cpu">CPUs</a> section, interrupts are analyzed per CPU core.'
+	},
+
+	'system.softirqs': {
+		info: 'CPU softirqs in detail, read from <code>/proc/softirqs</code>. At the <a href="#cpu">CPUs</a> section, softirqs are analyzed per CPU core.'
+	},
+
+	'system.processes': {
+		info: 'System processes, read from <code>/proc/stat</code>. <b>Blocked</b> are processes that are willing to execute but they cannot, e.g. because they wait for disk activity.'
+	},
+
+	'system.active_processes': {
+		info: 'All system active processes, read from <code>/proc/loadavg</code>.'
+	},
+
+	'system.ctxt': {
+		info: '<a href="https://en.wikipedia.org/wiki/Context_switch" target="_blank">Context Switches</a>, read from <code>/proc/stat</code>, is the switching of the CPU from one process, task or thread to another. If there are many processes or threads willing to execute and very few CPU cores available to handle them, the system is making more context switching to balance the CPU resources among them. The whole process is computationally intensive. The more the context switches, the slower the system gets.'
+	},
+
+	'system.idlejitter': {
+		colors: '#5555AA',
+		info: 'Idle jitter is calculated by netdata. A thread is spawned that requests to sleep for a few microseconds. When the system wakes it up, it measures how many microseconds have passed. The different between the requested and the actual duration of the sleep, is the <b>idle jitter</b>. This number is useful in realtime environments, where CPU jitter can affect the quality of the service (like VoIP media gateways).'
+	},
+
+	'system.ipv4': {
+		info: 'Total IPv4 Traffic, read from <code>/proc/net/netstat</code>. This includes <code>lo</code> device traffic.'
+	},
+
+	'system.ram': {
+		info: 'System memory, read from <code>/proc/meminfo</code>.'
+	},
+
+	'system.swap': {
+		info: 'System swap memory, read from <code>/proc/meminfo</code>.'
+	},
+
+	'mem.ksm_savings': {
+		heads: [
+			gaugeChart('Saved', '12%', 'savings', '#0099CC')
+		]
+	},
+
+	'mem.ksm_ratios': {
+		heads: [
+			function(id) {
+				return 	'<div data-netdata="' + id + '"'
+					+ ' data-gauge-max-value="100"'
+					+ ' data-chart-library="gauge"'
+					+ ' data-title="Savings"'
+					+ ' data-units="percentage %"'
+					+ ' data-gauge-adjust="width"'
+					+ ' data-width="12%"'
+					+ ' data-before="0"'
+					+ ' data-after="-CHART_DURATION"'
+					+ ' data-points="CHART_DURATION"'
+					+ ' role="application"></div>';
+			}
+		]
+	},
+
+	'mem.committed': {
+		colors: NETDATA.colors[3]
+	},
+
+	'apps.cpu': {
+		height: 2.0
+	},
+
+	'apps.preads': {
+		height: 2.0
+	},
+
+	'apps.pwrites': {
+		height: 2.0
+	},
+
+	'tc.qos': {
+		heads: [
+			function(id) {
+				if(id.match(/.*-ifb$/))
+					return gaugeChart('Inbound', '12%', '', '#5555AA');
+				else
+					return gaugeChart('Outbound', '12%', '', '#AA9900');
+			}
+		]
+	},
+
+	'net.net': {
+		heads: [
+			gaugeChart('Received', '12%', 'received'),
+			gaugeChart('Sent', '12%', 'sent')
+		]
+	},
+
+	'disk.util': {
+		colors: '#FF5588',
+		heads: [
+			gaugeChart('Utilization', '12%', '', '#FF5588')
+		]
+	},
+
+	'disk.backlog': {
+		colors: '#0099CC'
+	},
+
+	'disk.io': {
+		heads: [
+			gaugeChart('Read', '12%', 'reads'),
+			gaugeChart('Write', '12%', 'writes')
+		]
+	},
+
+	'netfilter.sockets': {
+		colors: '#88AA00',
+		heads: [
+			gaugeChart('Active Connections', '12%', '', '#88AA00')
+		]
+	},
+
+	'netfilter.new': {
+		heads: [
+			gaugeChart('New Connections', '12%', 'new', '#5555AA')
+		]
+	},
+
+	'disk.iotime': {
+		height: 0.5
+	},
+	'disk.mops': {
+		height: 0.5
+	},
+	'disk.svctm': {
+		height: 0.5
+	},
+	'disk.avgsz': {
+		height: 0.5
+	},
+	'disk.await': {
+		height: 0.5
+	},
+
+	'apache.connections': {
+		colors: NETDATA.colors[4],
+		mainheads: [
+			gaugeChart('Connections', '12%', '', NETDATA.colors[4])
+		]
+	},
+
+	'apache.requests': {
+		colors: NETDATA.colors[0],
+		mainheads: [
+			gaugeChart('Connections', '12%', '', NETDATA.colors[0])
+		]
+	},
+
+	'apache.net': {
+		colors: NETDATA.colors[3],
+		mainheads: [
+			gaugeChart('Bandwidth', '12%', '', NETDATA.colors[3])
+		]
+	},
+
+	'apache.workers': {
+		mainheads: [
+			function(id) {
+				return 	'<div data-netdata="' + id + '"'
+					+ ' data-dimensions="busy"'
+					+ ' data-append-options="percentage"'
+					+ ' data-gauge-max-value="100"'
+					+ ' data-chart-library="gauge"'
+					+ ' data-title="Workers Utilization"'
+					+ ' data-units="percentage %"'
+					+ ' data-gauge-adjust="width"'
+					+ ' data-width="12%"'
+					+ ' data-before="0"'
+					+ ' data-after="-CHART_DURATION"'
+					+ ' data-points="CHART_DURATION"'
+					+ ' role="application"></div>';
+			}
+		]
+	},
+
+	'apache.bytesperreq': {
+		colors: NETDATA.colors[3],
+		height: 0.5
+	},
+
+	'apache.reqpersec': {
+		colors: NETDATA.colors[4],
+		height: 0.5
+	},
+
+	'apache.bytespersec': {
+		colors: NETDATA.colors[6],
+		height: 0.5
+	},
+
+	'nginx.connections': {
+		colors: NETDATA.colors[4],
+		mainheads: [
+			gaugeChart('Connections', '12%', '', NETDATA.colors[4])
+		]
+	},
+
+	'nginx.requests': {
+		colors: NETDATA.colors[0],
+		mainheads: [
+			gaugeChart('Requests', '12%', '', NETDATA.colors[0])
+		]
+	}
+};
+
+function anyAttribute(obj, attr, key, def) {
+	if(typeof obj[key] !== 'undefined') {
+		if(typeof obj[key][attr] !== 'undefined')
+			return obj[key][attr];
+	}
+	return def;
+}
+
+function menuTitle(menu) {
+	return anyAttribute(menuData, 'title', menu, menu);
+}
+
+function menuInfo(menu) {
+	return anyAttribute(menuData, 'title', menu, null);
+}
+
+function menuHeight(menu, relative) {
+	return anyAttribute(menuData, 'height', menu, 1.0) * relative;
+}
+
+function submenuTitle(menu, submenu) {
+	var key = menu + '.' + submenu;
+	return anyAttribute(submenuData, 'title', key, submenu);
+}
+
+function submenuInfo(menu, submenu) {
+	var key = menu + '.' + submenu;
+	return anyAttribute(submenuData, 'info', key, null);
+}
+
+function submenuHeight(menu, submenu, relative) {
+	var key = menu + '.' + submenu;
+	return anyAttribute(submenuData, 'height', key, 1.0) * relative;
+}
+
+
+function chartInfo(id) {
+	if(typeof chartData[id] !== 'undefined' && typeof chartData[id].info !== 'undefined')
+		return '<div class="chart-message netdata-chart-alignment" role="document">' + chartData[id].info + '</div>';
+	else
+		return '';
+}
+
+function chartHeight(id, def) {
+	if(typeof chartData[id] !== 'undefined' && typeof chartData[id].height !== 'undefined')
+		return def * chartData[id].height;
+	else
+		return def;
+}
+
+
+// ----------------------------------------------------------------------------
+
+// enrich the data structure returned by netdata
+// to reflect our menu system and content
+function enrichChartData(chart) {
+	var tmp = chart.type.split('_')[0];
+
+	switch(tmp) {
+		case 'ap':
+		case 'net':
+		case 'disk':
+			chart.menu = tmp;
+			break;
+
+		case 'tc':
+			chart.menu = tmp;
+
+			// find the interface name from the name
+			if(typeof options.submenu_names[chart.family] === 'undefined' || options.submenu_names[chart.family] === chart.family)
+				options.submenu_names[chart.family] = chart.name.split('.')[1].split('_')[0];
+
+			// increase the priority of IFB devices
+			if(chart.id.match(/.*-ifb$/))
+				chart.priority--;
+
+			break;
+
+		default:
+			chart.menu = chart.type;
+			break;
+	}
+
+	chart.submenu = chart.family;
+}
+
+// ----------------------------------------------------------------------------
+
+function name2id(s) {
+	return s
+		.replace(' ', '_')
+		.replace('(', '_')
+		.replace(')', '_')
+		.replace('.', '_')
+		.replace('/', '_');
+}
+
+function headMain(charts, duration) {
+	var head = '';
+
+	if(typeof charts['system.swap'] !== 'undefined')
+		head += '<div style="margin-right: 10px;" data-netdata="system.swap"'
+		+ ' data-dimensions="free"'
+		+ ' data-append-options="percentage"'
+		+ ' data-chart-library="easypiechart"'
+		+ ' data-title="Free Swap"'
+		+ ' data-units="%"'
+		+ ' data-easypiechart-max-value="100"'
+		+ ' data-width="8%"'
+		+ ' data-before="0"'
+		+ ' data-after="-' + duration.toString() + '"'
+		+ ' data-points="' + duration.toString() + '"'
+		+ ' data-colors="#DD4400"'
+		+ ' role="application"></div>';
+
+	if(typeof charts['system.io'] !== 'undefined') {
+		head += '<div style="margin-right: 10px;" data-netdata="system.io"'
+		+ ' data-dimensions="in"'
+		+ ' data-chart-library="easypiechart"'
+		+ ' data-title="Disk Read"'
+		+ ' data-units="KB / s"'
+		+ ' data-width="10%"'
+		+ ' data-before="0"'
+		+ ' data-after="-' + duration.toString() + '"'
+		+ ' data-points="' + duration.toString() + '"'
+		+ ' role="application"></div>';
+
+		head += '<div style="margin-right: 10px;" data-netdata="system.io"'
+		+ ' data-dimensions="out"'
+		+ ' data-chart-library="easypiechart"'
+		+ ' data-title="Disk Write"'
+		+ ' data-units="KB / s"'
+		+ ' data-width="10%"'
+		+ ' data-before="0"'
+		+ ' data-after="-' + duration.toString() + '"'
+		+ ' data-points="' + duration.toString() + '"'
+		+ ' role="application"></div>';
+	}
+
+	if(typeof charts['system.cpu'] !== 'undefined')
+		head += '<div data-netdata="system.cpu"'
+		+ ' data-chart-library="gauge"'
+		+ ' data-title="CPU"'
+		+ ' data-units="%"'
+		+ ' data-gauge-max-value="100"'
+		+ ' data-width="18%"'
+		+ ' data-after="-' + duration.toString() + '"'
+		+ ' data-points="' + duration.toString() + '"'
+		+ ' data-colors="' + NETDATA.colors[12] + '"'
+		+ ' role="application"></div>';
+
+	if(typeof charts['system.ipv4'] !== 'undefined') {
+		head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
+		+ ' data-dimensions="received"'
+		+ ' data-chart-library="easypiechart"'
+		+ ' data-title="IPv4 Inbound"'
+		+ ' data-units="kbps"'
+		+ ' data-width="10%"'
+		+ ' data-before="0"'
+		+ ' data-after="-' + duration.toString() + '"'
+		+ ' data-points="' + duration.toString() + '"'
+		+ ' role="application"></div>';
+
+		head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
+		+ ' data-dimensions="sent"'
+		+ ' data-chart-library="easypiechart"'
+		+ ' data-title="IPv4 Outbound"'
+		+ ' data-units="kbps"'
+		+ ' data-width="10%"'
+		+ ' data-before="0"'
+		+ ' data-after="-' + duration.toString() + '"'
+		+ ' data-points="' + duration.toString() + '"'
+		+ ' role="application"></div>';
+	}
+
+	if(typeof charts['system.ram'] !== 'undefined')
+		head += '<div style="margin-right: 10px;" data-netdata="system.ram"'
+		+ ' data-dimensions="cached|free"'
+		+ ' data-append-options="percentage"'
+		+ ' data-chart-library="easypiechart"'
+		+ ' data-title="Available RAM"'
+		+ ' data-units="%"'
+		+ ' data-easypiechart-max-value="100"'
+		+ ' data-width="8%"'
+		+ ' data-after="-' + duration.toString() + '"'
+		+ ' data-points="' + duration.toString() + '"'
+		+ ' data-colors="' + NETDATA.colors[7] + '"'
+		+ ' role="application"></div>';
+
+	return head;
+}
+
+function generateHeadCharts(type, chart, duration) {
+	var head = '';
+	var hcharts = anyAttribute(chartData, type, chart.context, []);
+	if(hcharts.length > 0) {
+		var hi = 0, hlen = hcharts.length;
+		while(hi < hlen) {
+			if(typeof hcharts[hi] === 'function')
+				head += hcharts[hi](chart.id).replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
+			else
+				head += hcharts[hi].replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
+			hi++;
+		}
+	}
+	return head;
+}
+
+function renderPage(menus, data) {
+	var div = document.getElementById('charts_div');
+	var pcent_width = Math.floor(100 / chartsPerRow($(div).width()));
+
+	// find the proper duration for per-second updates
+	var duration = Math.round(($(div).width() * pcent_width / 100 * data.update_every / 3) / 60) * 60;
+	var html = '';
+	var sidebar = '<ul class="nav dashboard-sidenav" data-spy="affix" id="sidebar_ul">';
+	var mainhead = headMain(data.charts, duration);
+
+	// sort the menus
+	var main = sortObjectByPriority(menus);
+	var i = 0, len = main.length;
+	while(i < len) {
+		var menu = main[i++];
+
+		// generate an entry at the main menu
+
+		sidebar += '<li class=""><a href="#' + menu + '">' + menus[menu].title + '</a><ul class="nav">';
+		html += '<div role="section"><div role="sectionhead"><h1 id="' + menu + '" role="heading">' + menus[menu].title + '</h1></div><div id="' + menu + '" role="document">';
+
+		if(menus[menu].info !== null)
+			html += menus[menu].info;
+
+		// console.log(' >> ' + menu + ' (' + menus[menu].priority + '): ' + menus[menu].title);
+
+		var shtml = '';
+		var mhead = '<div style="width: 100%; text-align: center;">' + mainhead;
+		mainhead = '';
+
+		// sort the submenus of this menu
+		var sub = sortObjectByPriority(menus[menu].submenus);
+		var si = 0, slen = sub.length;
+		while(si < slen) {
+			var submenu = sub[si++];
+
+			// generate an entry at the submenu
+			sidebar += '<li class><a href="#' + name2id(menu + '_' + submenu) + '">' + menus[menu].submenus[submenu].title + '</a></li>';
+			shtml += '<div class="netdata-group-container" id="submenu_' + name2id(menu + '_' + submenu) + '" style="display: inline-block; width: ' + pcent_width.toString() + '%"><h2 id="' + name2id(menu + '_' + submenu) + '" class="netdata-chart-alignment" role="heading">' + menus[menu].submenus[submenu].title + '</h2>';
+
+			if(menus[menu].submenus[submenu].info !== null)
+				shtml += '<div class="chart-message netdata-chart-alignment" role="document">' + menus[menu].submenus[submenu].info + '</div>';
+
+			var head = '<div style="width: 100%; text-align: center;">';
+			var chtml = '';
+
+			// console.log('    \------- ' + submenu + ' (' + menus[menu].submenus[submenu].priority + '): ' + menus[menu].submenus[submenu].title);
+
+			// sort the charts in this submenu of this menu
+			menus[menu].submenus[submenu].charts.sort(prioritySort);
+			var ci = 0, clen = menus[menu].submenus[submenu].charts.length;
+			while(ci < clen) {
+				var chart = menus[menu].submenus[submenu].charts[ci++];
+
+				// generate the submenu heading charts
+				mhead += generateHeadCharts('mainheads', chart, duration);
+				head += generateHeadCharts('heads', chart, duration);
+
+				// generate the chart
+				chtml += chartInfo(chart.context) + '<div data-netdata="' + chart.id + '"'
+					+ ' data-width="' + pcent_width.toString() + '%"'
+					+ ' data-height="' + chartHeight(chart.context, options.chartsHeight).toString() + 'px"'
+					+ ' data-before="0"'
+					+ ' data-after="-' + duration.toString() + '"'
+					+ ' data-id="' + name2id(options.hostname + '/' + chart.id) + '"'
+					+ ' data-colors="' + anyAttribute(chartData, 'colors', chart.context, '') + '"'
+					+ ' role="application"></div>';
+
+				// console.log('         \------- ' + chart.id + ' (' + chart.priority + '): ' + chart.context  + ' height: ' + menus[menu].submenus[submenu].height);
+			}
+
+			head += '</div>';
+			shtml += head + chtml + '</div>';
+		}
+
+		mhead += '</div>';
+		sidebar += '</ul></li>';
+		html += mhead + shtml + '</div></div><hr role="separator"/>';
+	}
+
+	sidebar += '</ul>';
+	div.innerHTML = html;
+	document.getElementById('sidebar').innerHTML = sidebar;
+	finalizePage();
+}
+
+function renderChartsAndMenu(data) {
+	var menus = {};
+	var charts = data.charts;
+
+	for(var c in charts) {
+		enrichChartData(charts[c]);
+
+		// create the menu
+		if(typeof menus[charts[c].menu] === 'undefined') {
+			menus[charts[c].menu] = {
+				priority: charts[c].priority,
+				submenus: {},
+				title: menuTitle(charts[c].menu),
+				info: menuInfo(charts[c].menu),
+				height: menuHeight(charts[c].menu, options.chartsHeight)
+			};
+		}
+		
+		if(charts[c].priority < menus[charts[c].menu].priority)
+			menus[charts[c].menu].priority = charts[c].priority;
+
+		// create the submenu
+		if(typeof menus[charts[c].menu].submenus[charts[c].submenu] === 'undefined') {
+			menus[charts[c].menu].submenus[charts[c].submenu] = {
+				priority: charts[c].priority,
+				charts: new Array(),
+				title: null,
+				info: submenuInfo(charts[c].menu, charts[c].submenu),
+				height: submenuHeight(charts[c].menu, charts[c].submenu, menus[charts[c].menu].height)
+			};
+		}
+		
+		if(charts[c].priority < menus[charts[c].menu].submenus[charts[c].submenu].priority)
+			menus[charts[c].menu].submenus[charts[c].submenu].priority = charts[c].priority;
+
+		// index the chart in the menu/submenu
+		menus[charts[c].menu].submenus[charts[c].submenu].charts.push(charts[c]);
+	}
+
+	for(var m in menus) {
+		for(var s in menus[m].submenus) {
+			// set the family using a name
+			if(typeof options.submenu_names[s] !== 'undefined') {
+				menus[m].submenus[s].title = s + ' (' + options.submenu_names[s] + ')';
+			}
+			else {
+				menus[m].submenus[s].title = submenuTitle(m, s);
+			}
+		}
+	}
+
+	renderPage(menus, data);
+}
+
+function downloadAllCharts(netdata_url) {
+	if(typeof netdata_url === 'undefined' || netdata_url === null)
+		netdata_url = NETDATA.serverDefault;
+
+	NETDATA.pause(function() {
+
+		// download all the charts the server knows
+		NETDATA.chartRegistry.downloadAll(netdata_url, function(data) {
+
+			options.data = data;
+			options.hostname = data.hostname;
+			document.getElementById('hostname').innerHTML = options.hostname;
+			document.getElementById('hostname').href = NETDATA.serverDefault;
+			document.title = options.hostname + ' dashboard';
+			
+			renderChartsAndMenu(data);
+
+			// prepare our DOM
+//			prepareScreen(data);
+
+			// due to affix issues, prepareScreen() will unpause
+			// netdata as needed
+		});
+	});
+}
+
+// ----------------------------------------------------------------------------
+
+function finalizePage() {
+	// resize all charts - without starting the background thread
+	// this has to be done while NETDATA is paused
+	// if we ommit this, the affix menu will be wrong, since all
+	// the Dom elements are initially zero-sized
+	NETDATA.parseDom();
+
+	// let it run (update the charts)
+	NETDATA.unpause();
+
+	// check if we have to jump to a specific section
+	var hash = location.hash.replace('#','');
+	if(hash != '') {
+		// Clear the hash in the URL
+		// location.hash = '';   // delete front "//" if you want to change the address bar
+		var offset = $(location.hash).offset();
+		if(typeof offset !== 'undefined')
+			$('html, body').animate({ scrollTop: offset.top }, 0);
+	}
+
+	/* activate bootstrap sidebar (affix) */
+	$('#sidebar').affix({
+		offset: {
+			top: (document.location.hostname === demo_hostname)?150:0,
+			bottom: 0
+		}
+	});
+
+	/* fix scrolling of very long affix lists
+	   http://stackoverflow.com/questions/21691585/bootstrap-3-1-0-affix-too-long
+	 */
+	$('#sidebar').on('affixed.bs.affix', function() {
+		$(this).removeAttr('style');
+	});
+	
+	/* activate bootstrap scrollspy (needed for sidebar) */
+	$(document.body).scrollspy({
+		target: '#sidebar',
+		offset: $(window).height() / 3 // controls the diff of the <hX> element to the top, to select it
+	});
+
+	document.getElementById('footer').style.display = 'block';
+
+
+	var update_options_modal = function() {
+		// console.log('update_options_modal');
+
+		var sync_option = function(option) {
+			var self = $('#' + option);
+
+			if(self.prop('checked') !== NETDATA.getOption(option)) {
+				// console.log('switching ' + option.toString());
+				self.bootstrapToggle(NETDATA.getOption(option)?'on':'off');
+			}
+		}
+
+		sync_option('eliminate_zero_dimensions');
+		sync_option('destroy_on_hide');
+		sync_option('parallel_refresher');
+		sync_option('concurrent_refreshes');
+		sync_option('sync_selection');
+		sync_option('sync_pan_and_zoom');
+		sync_option('stop_updates_when_focus_is_lost');
+		sync_option('smooth_plot');
+		sync_option('pan_and_zoom_data_padding');
+
+		if(NETDATA.getOption('parallel_refresher') === false) {
+			$('#concurrent_refreshes_row').hide();
+		}
+		else {
+			$('#concurrent_refreshes_row').show();
+		}
+	};
+	NETDATA.setOption('setOptionCallback', update_options_modal);
+
+	// handle options changes
+	$('#eliminate_zero_dimensions').change(function()       { NETDATA.setOption('eliminate_zero_dimensions', $(this).prop('checked')); });
+	$('#destroy_on_hide').change(function()                 { NETDATA.setOption('destroy_on_hide', $(this).prop('checked')); });
+	$('#parallel_refresher').change(function()              { NETDATA.setOption('parallel_refresher', $(this).prop('checked')); });
+	$('#concurrent_refreshes').change(function()            { NETDATA.setOption('concurrent_refreshes', $(this).prop('checked')); });
+	$('#sync_selection').change(function()                  { NETDATA.setOption('sync_selection', $(this).prop('checked')); });
+	$('#sync_pan_and_zoom').change(function()               { NETDATA.setOption('sync_pan_and_zoom', $(this).prop('checked')); });
+	$('#stop_updates_when_focus_is_lost').change(function() { NETDATA.setOption('stop_updates_when_focus_is_lost', $(this).prop('checked')); });
+	$('#smooth_plot').change(function()                     { NETDATA.setOption('smooth_plot', $(this).prop('checked')); });
+	$('#pan_and_zoom_data_padding').change(function()       { NETDATA.setOption('pan_and_zoom_data_padding', $(this).prop('checked')); });
+	
+	if(document.location.hostname === demo_hostname)
+		setTimeout(function() {
+			$('#welcomeModal').modal();
+		}, 1000);
+}
+
+downloadAllCharts();
+
+</script>
diff --git a/web/lib/ElementQueries.js b/web/lib/ElementQueries.js
new file mode 100755
index 00000000..0c0906e3
--- /dev/null
+++ b/web/lib/ElementQueries.js
@@ -0,0 +1,360 @@
+/**
+ * Copyright Marc J. Schmidt. See the LICENSE file at the top-level
+ * directory of this distribution and at
+ * https://github.com/marcj/css-element-queries/blob/master/LICENSE.
+ */
+//;
+//(function() {
+    /**
+     *
+     * @type {Function}
+     * @constructor
+     */
+    var ElementQueries = window.ElementQueries = function() {
+
+        this.withTracking = false;
+        var elements = [];
+
+        /**
+         *
+         * @param element
+         * @returns {Number}
+         */
+        function getEmSize(element) {
+            if (!element) {
+                element = document.documentElement;
+            }
+            var fontSize = getComputedStyle(element, 'fontSize');
+            return parseFloat(fontSize) || 16;
+        }
+
+        /**
+         *
+         * @copyright https://github.com/Mr0grog/element-query/blob/master/LICENSE
+         *
+         * @param {HTMLElement} element
+         * @param {*} value
+         * @returns {*}
+         */
+        function convertToPx(element, value) {
+            var units = value.replace(/[0-9]*/, '');
+            value = parseFloat(value);
+            switch (units) {
+                case "px":
+                    return value;
+                case "em":
+                    return value * getEmSize(element);
+                case "rem":
+                    return value * getEmSize();
+                // Viewport units!
+                // According to http://quirksmode.org/mobile/tableViewport.html
+                // documentElement.clientWidth/Height gets us the most reliable info
+                case "vw":
+                    return value * document.documentElement.clientWidth / 100;
+                case "vh":
+                    return value * document.documentElement.clientHeight / 100;
+                case "vmin":
+                case "vmax":
+                    var vw = document.documentElement.clientWidth / 100;
+                    var vh = document.documentElement.clientHeight / 100;
+                    var chooser = Math[units === "vmin" ? "min" : "max"];
+                    return value * chooser(vw, vh);
+                default:
+                    return value;
+                // for now, not supporting physical units (since they are just a set number of px)
+                // or ex/ch (getting accurate measurements is hard)
+            }
+        }
+
+        /**
+         *
+         * @param {HTMLElement} element
+         * @constructor
+         */
+        function SetupInformation(element) {
+            this.element = element;
+            this.options = {};
+            var key, option, width = 0, height = 0, value, actualValue, attrValues, attrValue, attrName;
+
+            /**
+             * @param {Object} option {mode: 'min|max', property: 'width|height', value: '123px'}
+             */
+            this.addOption = function(option) {
+                var idx = [option.mode, option.property, option.value].join(',');
+                this.options[idx] = option;
+            };
+
+            var attributes = ['min-width', 'min-height', 'max-width', 'max-height'];
+
+            /**
+             * Extracts the computed width/height and sets to min/max- attribute.
+             */
+            this.call = function() {
+                // extract current dimensions
+                width = this.element.offsetWidth;
+                height = this.element.offsetHeight;
+
+                attrValues = {};
+
+                for (key in this.options) {
+                    if (!this.options.hasOwnProperty(key)){
+                        continue;
+                    }
+                    option = this.options[key];
+
+                    value = convertToPx(this.element, option.value);
+
+                    actualValue = option.property == 'width' ? width : height;
+                    attrName = option.mode + '-' + option.property;
+                    attrValue = '';
+
+                    if (option.mode == 'min' && actualValue >= value) {
+                        attrValue += option.value;
+                    }
+
+                    if (option.mode == 'max' && actualValue <= value) {
+                        attrValue += option.value;
+                    }
+
+                    if (!attrValues[attrName]) attrValues[attrName] = '';
+                    if (attrValue && -1 === (' '+attrValues[attrName]+' ').indexOf(' ' + attrValue + ' ')) {
+                        attrValues[attrName] += ' ' + attrValue;
+                    }
+                }
+
+                for (var k in attributes) {
+                    if (attrValues[attributes[k]]) {
+                        this.element.setAttribute(attributes[k], attrValues[attributes[k]].substr(1));
+                    } else {
+                        this.element.removeAttribute(attributes[k]);
+                    }
+                }
+            };
+        }
+
+        /**
+         * @param {HTMLElement} element
+         * @param {Object}      options
+         */
+        function setupElement(element, options) {
+            if (element.elementQueriesSetupInformation) {
+                element.elementQueriesSetupInformation.addOption(options);
+            } else {
+                element.elementQueriesSetupInformation = new SetupInformation(element);
+                element.elementQueriesSetupInformation.addOption(options);
+                element.elementQueriesSensor = new ResizeSensor(element, function() {
+                    element.elementQueriesSetupInformation.call();
+                });
+            }
+            element.elementQueriesSetupInformation.call();
+
+            if (ElementQueries.instance.withTracking && elements.indexOf(element) < 0) {
+                elements.push(element);
+            }
+        }
+
+        /**
+         * @param {String} selector
+         * @param {String} mode min|max
+         * @param {String} property width|height
+         * @param {String} value
+         */
+        var allQueries = {};
+        function queueQuery(selector, mode, property, value) {
+            if (typeof(allQueries[mode]) == 'undefined') allQueries[mode] = {};
+            if (typeof(allQueries[mode][property]) == 'undefined') allQueries[mode][property] = {};
+            if (typeof(allQueries[mode][property][value]) == 'undefined') allQueries[mode][property][value] = selector;
+            else allQueries[mode][property][value] += ','+selector;
+        }
+
+        function executeQueries() {
+            var query;
+            if (document.querySelectorAll) query = document.querySelectorAll.bind(document);
+            if (!query && 'undefined' !== typeof $$) query = $$;
+            if (!query && 'undefined' !== typeof jQuery) query = jQuery;
+
+            if (!query) {
+                throw 'No document.querySelectorAll, jQuery or Mootools\'s $$ found.';
+            }
+
+            for (var mode in allQueries) if (allQueries.hasOwnProperty(mode)) {
+              for (var property in allQueries[mode]) if (allQueries[mode].hasOwnProperty(property)) {
+                for (var value in allQueries[mode][property]) if (allQueries[mode][property].hasOwnProperty(value)) {
+                  var elements = query(allQueries[mode][property][value]);
+                  for (var i = 0, j = elements.length; i < j; i++) {
+                    setupElement(elements[i], {
+                      mode: mode,
+                      property: property,
+                      value: value
+                    });
+                  }
+                }
+              }
+            }
+
+        }
+
+        var regex = /,?[\s\t]*([^,\n]*?)((?:\[[\s\t]*?(?:min|max)-(?:width|height)[\s\t]*?[~$\^]?=[\s\t]*?"[^"]*?"[\s\t]*?])+)([^,\n\s\{]*)/mgi;
+        var attrRegex = /\[[\s\t]*?(min|max)-(width|height)[\s\t]*?[~$\^]?=[\s\t]*?"([^"]*?)"[\s\t]*?]/mgi;
+        /**
+         * @param {String} css
+         */
+        function extractQuery(css) {
+            var match;
+            var smatch;
+            css = css.replace(/'/g, '"');
+            while (null !== (match = regex.exec(css))) {
+                smatch = match[1] + match[3];
+                attrs = match[2];
+
+                while (null !== (attrMatch = attrRegex.exec(attrs))) {
+                    queueQuery(smatch, attrMatch[1], attrMatch[2], attrMatch[3]);
+                }
+            }
+        }
+
+        /**
+         * @param {CssRule[]|String} rules
+         */
+        function readRules(rules) {
+            var selector = '';
+            if (!rules) {
+                return;
+            }
+            if ('string' === typeof rules) {
+                rules = rules.toLowerCase();
+                if (-1 !== rules.indexOf('min-width') || -1 !== rules.indexOf('max-width')) {
+                    extractQuery(rules);
+                }
+            } else {
+                for (var i = 0, j = rules.length; i < j; i++) {
+                    if (1 === rules[i].type) {
+                        selector = rules[i].selectorText || rules[i].cssText;
+                        if (-1 !== selector.indexOf('min-height') || -1 !== selector.indexOf('max-height')) {
+                            extractQuery(selector);
+                        }else if(-1 !== selector.indexOf('min-width') || -1 !== selector.indexOf('max-width')) {
+                            extractQuery(selector);
+                        }
+                    } else if (4 === rules[i].type) {
+                        readRules(rules[i].cssRules || rules[i].rules);
+                    }
+                }
+            }
+        }
+
+        /**
+         * Searches all css rules and setups the event listener to all elements with element query rules..
+         *
+         * @param {Boolean} withTracking allows and requires you to use detach, since we store internally all used elements
+         *                               (no garbage collection possible if you don not call .detach() first)
+         */
+        this.init = function(withTracking) {
+            this.withTracking = withTracking;
+            for (var i = 0, j = document.styleSheets.length; i < j; i++) {
+                try {
+                    readRules(document.styleSheets[i].cssRules || document.styleSheets[i].rules || document.styleSheets[i].cssText);
+                } catch(e) {
+                    if (e.name !== 'SecurityError') {
+                        throw e;
+                    }
+                }
+            }
+            executeQueries();
+        };
+
+        /**
+         *
+         * @param {Boolean} withTracking allows and requires you to use detach, since we store internally all used elements
+         *                               (no garbage collection possible if you don not call .detach() first)
+         */
+        this.update = function(withTracking) {
+            this.withTracking = withTracking;
+            this.init();
+        };
+
+        this.detach = function() {
+            if (!this.withTracking) {
+                throw 'withTracking is not enabled. We can not detach elements since we don not store it.' +
+                'Use ElementQueries.withTracking = true; before domready.';
+            }
+
+            var element;
+            while (element = elements.pop()) {
+                ElementQueries.detach(element);
+            }
+
+            elements = [];
+        };
+    };
+
+    /**
+     *
+     * @param {Boolean} withTracking allows and requires you to use detach, since we store internally all used elements
+     *                               (no garbage collection possible if you don not call .detach() first)
+     */
+    ElementQueries.update = function(withTracking) {
+        ElementQueries.instance.update(withTracking);
+    };
+
+    /**
+     * Removes all sensor and elementquery information from the element.
+     *
+     * @param {HTMLElement} element
+     */
+    ElementQueries.detach = function(element) {
+        if (element.elementQueriesSetupInformation) {
+            element.elementQueriesSensor.detach();
+            delete element.elementQueriesSetupInformation;
+            delete element.elementQueriesSensor;
+            console.log('detached');
+        } else {
+            console.log('detached already', element);
+        }
+    };
+
+    ElementQueries.withTracking = false;
+
+    ElementQueries.init = function() {
+        if (!ElementQueries.instance) {
+            ElementQueries.instance = new ElementQueries();
+        }
+
+        ElementQueries.instance.init(ElementQueries.withTracking);
+    };
+
+    var domLoaded = function (callback) {
+        /* Internet Explorer */
+        /*@cc_on
+        @if (@_win32 || @_win64)
+            document.write('<script id="ieScriptLoad" defer src="//:"><\/script>');
+            document.getElementById('ieScriptLoad').onreadystatechange = function() {
+                if (this.readyState == 'complete') {
+                    callback();
+                }
+            };
+        @end @*/
+        /* Mozilla, Chrome, Opera */
+        if (document.addEventListener) {
+            document.addEventListener('DOMContentLoaded', callback, false);
+        }
+        /* Safari, iCab, Konqueror */
+        else if (/KHTML|WebKit|iCab/i.test(navigator.userAgent)) {
+            var DOMLoadTimer = setInterval(function () {
+                if (/loaded|complete/i.test(document.readyState)) {
+                    callback();
+                    clearInterval(DOMLoadTimer);
+                }
+            }, 10);
+        }
+        /* Other web browsers */
+        else window.onload = callback;
+    };
+
+//    if (window.addEventListener) {
+//        window.addEventListener('load', ElementQueries.init, false);
+//    } else {
+//        window.attachEvent('onload', ElementQueries.init);
+//    }
+//    domLoaded(ElementQueries.init);
+
+//})();
diff --git a/web/lib/ResizeSensor.js b/web/lib/ResizeSensor.js
new file mode 100755
index 00000000..e5ce136a
--- /dev/null
+++ b/web/lib/ResizeSensor.js
@@ -0,0 +1,166 @@
+/**
+ * Copyright Marc J. Schmidt. See the LICENSE file at the top-level
+ * directory of this distribution and at
+ * https://github.com/marcj/css-element-queries/blob/master/LICENSE.
+ */
+;
+(function() {
+
+    /**
+     * Class for dimension change detection.
+     *
+     * @param {Element|Element[]|Elements|jQuery} element
+     * @param {Function} callback
+     *
+     * @constructor
+     */
+    this.ResizeSensor = function(element, callback) {
+        /**
+         *
+         * @constructor
+         */
+        function EventQueue() {
+            this.q = [];
+            this.add = function(ev) {
+                this.q.push(ev);
+            };
+
+            var i, j;
+            this.call = function() {
+                for (i = 0, j = this.q.length; i < j; i++) {
+                    this.q[i].call();
+                }
+            };
+        }
+
+        /**
+         * @param {HTMLElement} element
+         * @param {String}      prop
+         * @returns {String|Number}
+         */
+        function getComputedStyle(element, prop) {
+            if (element.currentStyle) {
+                return element.currentStyle[prop];
+            } else if (window.getComputedStyle) {
+                return window.getComputedStyle(element, null).getPropertyValue(prop);
+            } else {
+                return element.style[prop];
+            }
+        }
+
+        /**
+         *
+         * @param {HTMLElement} element
+         * @param {Function}    resized
+         */
+        function attachResizeEvent(element, resized) {
+            if (!element.resizedAttached) {
+                element.resizedAttached = new EventQueue();
+                element.resizedAttached.add(resized);
+            } else if (element.resizedAttached) {
+                element.resizedAttached.add(resized);
+                return;
+            }
+
+            element.resizeSensor = document.createElement('div');
+            element.resizeSensor.className = 'resize-sensor';
+            var style = 'position: absolute; left: 0; top: 0; right: 0; bottom: 0; overflow: scroll; z-index: -1; visibility: hidden;';
+            var styleChild = 'position: absolute; left: 0; top: 0;';
+
+            element.resizeSensor.style.cssText = style;
+            element.resizeSensor.innerHTML =
+                '<div class="resize-sensor-expand" style="' + style + '">' +
+                    '<div style="' + styleChild + '"></div>' +
+                '</div>' +
+                '<div class="resize-sensor-shrink" style="' + style + '">' +
+                    '<div style="' + styleChild + ' width: 200%; height: 200%"></div>' +
+                '</div>';
+            element.appendChild(element.resizeSensor);
+
+            if (!{fixed: 1, absolute: 1}[getComputedStyle(element, 'position')]) {
+                element.style.position = 'relative';
+            }
+
+            var expand = element.resizeSensor.childNodes[0];
+            var expandChild = expand.childNodes[0];
+            var shrink = element.resizeSensor.childNodes[1];
+            var shrinkChild = shrink.childNodes[0];
+
+            var lastWidth, lastHeight;
+
+            var reset = function() {
+                expandChild.style.width = expand.offsetWidth + 10 + 'px';
+                expandChild.style.height = expand.offsetHeight + 10 + 'px';
+                expand.scrollLeft = expand.scrollWidth;
+                expand.scrollTop = expand.scrollHeight;
+                shrink.scrollLeft = shrink.scrollWidth;
+                shrink.scrollTop = shrink.scrollHeight;
+                lastWidth = element.offsetWidth;
+                lastHeight = element.offsetHeight;
+            };
+
+            reset();
+
+            var changed = function() {
+                if (element.resizedAttached) {
+                    element.resizedAttached.call();
+                }
+            };
+
+            var addEvent = function(el, name, cb) {
+                if (el.attachEvent) {
+                    el.attachEvent('on' + name, cb);
+                } else {
+                    el.addEventListener(name, cb);
+                }
+            };
+            
+            var onScroll = function() {
+              if (element.offsetWidth != lastWidth || element.offsetHeight != lastHeight) {
+                  changed();
+              }
+              reset();
+            }
+
+            addEvent(expand, 'scroll', onScroll);
+            addEvent(shrink, 'scroll', onScroll);
+        }
+
+        var elementType = Object.prototype.toString.call(element);
+        var isCollectionTyped = ('[object Array]' === elementType
+            || ('[object NodeList]' === elementType)
+            || ('[object HTMLCollection]' === elementType)
+            || ('undefined' !== typeof jQuery && element instanceof jQuery) //jquery
+            || ('undefined' !== typeof Elements && element instanceof Elements) //mootools
+        );
+
+        if (isCollectionTyped) {
+            var i = 0, j = element.length;
+            for (; i < j; i++) {
+                attachResizeEvent(element[i], callback);
+            }
+        } else {
+            attachResizeEvent(element, callback);
+        }
+
+        this.detach = function() {
+            if (isCollectionTyped) {
+                var i = 0, j = element.length;
+                for (; i < j; i++) {
+                    ResizeSensor.detach(element[i]);
+                }
+            } else {
+                ResizeSensor.detach(element);
+            }
+        };
+    };
+
+    this.ResizeSensor.detach = function(element) {
+        if (element.resizeSensor) {
+            element.removeChild(element.resizeSensor);
+            delete element.resizeSensor;
+            delete element.resizedAttached;
+        }
+    };
+
+})();
diff --git a/web/lib/bootstrap-toggle.min.js b/web/lib/bootstrap-toggle.min.js
new file mode 100644
index 00000000..37113200
--- /dev/null
+++ b/web/lib/bootstrap-toggle.min.js
@@ -0,0 +1,9 @@
+/*! ========================================================================
+ * Bootstrap Toggle: bootstrap-toggle.js v2.2.0
+ * http://www.bootstraptoggle.com
+ * ========================================================================
+ * Copyright 2014 Min Hur, The New York Times Company
+ * Licensed under MIT
+ * ======================================================================== */
++function(a){"use strict";function b(b){return this.each(function(){var d=a(this),e=d.data("bs.toggle"),f="object"==typeof b&&b;e||d.data("bs.toggle",e=new c(this,f)),"string"==typeof b&&e[b]&&e[b]()})}var c=function(b,c){this.$element=a(b),this.options=a.extend({},this.defaults(),c),this.render()};c.VERSION="2.2.0",c.DEFAULTS={on:"On",off:"Off",onstyle:"primary",offstyle:"default",size:"normal",style:"",width:null,height:null},c.prototype.defaults=function(){return{on:this.$element.attr("data-on")||c.DEFAULTS.on,off:this.$element.attr("data-off")||c.DEFAULTS.off,onstyle:this.$element.attr("data-onstyle")||c.DEFAULTS.onstyle,offstyle:this.$element.attr("data-offstyle")||c.DEFAULTS.offstyle,size:this.$element.attr("data-size")||c.DEFAULTS.size,style:this.$element.attr("data-style")||c.DEFAULTS.style,width:this.$element.attr("data-width")||c.DEFAULTS.width,height:this.$element.attr("data-height")||c.DEFAULTS.height}},c.prototype.render=function(){this._onstyle="btn-"+this.options.onstyle,this._offstyle="btn-"+this.options.offstyle;var b="large"===this.options.size?"btn-lg":"small"===this.options.size?"btn-sm":"mini"===this.options.size?"btn-xs":"",c=a('<label class="btn">').html(this.options.on).addClass(this._onstyle+" "+b),d=a('<label class="btn">').html(this.options.off).addClass(this._offstyle+" "+b+" active"),e=a('<span class="toggle-handle btn btn-default">').addClass(b),f=a('<div class="toggle-group">').append(c,d,e),g=a('<div class="toggle btn" data-toggle="toggle">').addClass(this.$element.prop("checked")?this._onstyle:this._offstyle+" off").addClass(b).addClass(this.options.style);this.$element.wrap(g),a.extend(this,{$toggle:this.$element.parent(),$toggleOn:c,$toggleOff:d,$toggleGroup:f}),this.$toggle.append(f);var h=this.options.width||Math.max(c.outerWidth(),d.outerWidth())+e.outerWidth()/2,i=this.options.height||Math.max(c.outerHeight(),d.outerHeight());c.addClass("toggle-on"),d.addClass("toggle-off"),this.$toggle.css({width:h,height:i}),this.options.height&&(c.css("line-height",c.height()+"px"),d.css("line-height",d.height()+"px")),this.update(!0),this.trigger(!0)},c.prototype.toggle=function(){this.$element.prop("checked")?this.off():this.on()},c.prototype.on=function(a){return this.$element.prop("disabled")?!1:(this.$toggle.removeClass(this._offstyle+" off").addClass(this._onstyle),this.$element.prop("checked",!0),void(a||this.trigger()))},c.prototype.off=function(a){return this.$element.prop("disabled")?!1:(this.$toggle.removeClass(this._onstyle).addClass(this._offstyle+" off"),this.$element.prop("checked",!1),void(a||this.trigger()))},c.prototype.enable=function(){this.$toggle.removeAttr("disabled"),this.$element.prop("disabled",!1)},c.prototype.disable=function(){this.$toggle.attr("disabled","disabled"),this.$element.prop("disabled",!0)},c.prototype.update=function(a){this.$element.prop("disabled")?this.disable():this.enable(),this.$element.prop("checked")?this.on(a):this.off(a)},c.prototype.trigger=function(b){this.$element.off("change.bs.toggle"),b||this.$element.change(),this.$element.on("change.bs.toggle",a.proxy(function(){this.update()},this))},c.prototype.destroy=function(){this.$element.off("change.bs.toggle"),this.$toggleGroup.remove(),this.$element.removeData("bs.toggle"),this.$element.unwrap()};var d=a.fn.bootstrapToggle;a.fn.bootstrapToggle=b,a.fn.bootstrapToggle.Constructor=c,a.fn.toggle.noConflict=function(){return a.fn.bootstrapToggle=d,this},a(function(){a("input[type=checkbox][data-toggle^=toggle]").bootstrapToggle()}),a(document).on("click.bs.toggle","div[data-toggle^=toggle]",function(b){var c=a(this).find("input[type=checkbox]");c.bootstrapToggle("toggle"),b.preventDefault()})}(jQuery);
+//# sourceMappingURL=bootstrap-toggle.min.js.map
\ No newline at end of file
diff --git a/web/lib/bootstrap.min.js b/web/lib/bootstrap.min.js
new file mode 100755
index 00000000..e79c0651
--- /dev/null
+++ b/web/lib/bootstrap.min.js
@@ -0,0 +1,7 @@
+/*!
+ * Bootstrap v3.3.6 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
+ * Licensed under the MIT license
+ */
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\ No newline at end of file
diff --git a/web/lib/c3.min.js b/web/lib/c3.min.js
new file mode 100644
index 00000000..60c882a8
--- /dev/null
+++ b/web/lib/c3.min.js
@@ -0,0 +1,5 @@
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b,c,d=this,e=d.config;return"main"===a?(b=s(d.margin.left),c=s(d.margin.top)):"context"===a?(b=s(d.margin2.left),c=s(d.margin2.top)):"legend"===a?(b=d.margin3.left,c=d.margin3.top):"x"===a?(b=0,c=e.axis_rotated?0:d.height):"y"===a?(b=0,c=e.axis_rotated?d.height:0):"y2"===a?(b=e.axis_rotated?0:d.width,c=e.axis_rotated?1:0):"subx"===a?(b=0,c=e.axis_rotated?0:d.height2):"arc"===a&&(b=d.arcWidth/2,c=d.arcHeight/2),"translate("+b+","+c+")"},i.initialOpacity=function(a){return null!==a.value&&this.withoutFadeIn[a.id]?1:0},i.initialOpacityForCircle=function(a){return null!==a.value&&this.withoutFadeIn[a.id]?this.opacityForCircle(a):0},i.opacityForCircle=function(a){var b=this.config.point_show?1:0;return m(a.value)?this.isScatterType(a)?.5:b:0},i.opacityForText=function(){return this.hasDataLabel()?1:0},i.xx=function(a){return a?this.x(a.x):null},i.xv=function(a){var b=this,c=a.value;return b.isTimeSeries()?c=b.parseDate(a.value):b.isCategorized()&&"string"==typeof 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b=this;a||(b.config.axis_rotated?(b.axes.x.call(b.xAxis),b.axes.subx.call(b.subXAxis)):(b.axes.y.call(b.yAxis),b.axes.y2.call(b.y2Axis))),b.updateSizes(),b.updateScales(),b.updateSvgSize(),b.transformAll(!1)},i.observeInserted=function(b){var c,d=this;return"undefined"==typeof MutationObserver?void a.console.error("MutationObserver not defined."):(c=new MutationObserver(function(e){e.forEach(function(e){"childList"===e.type&&e.previousSibling&&(c.disconnect(),d.intervalForObserveInserted=a.setInterval(function(){b.node().parentNode&&(a.clearInterval(d.intervalForObserveInserted),d.updateDimension(),d.brush&&d.brush.update(),d.config.oninit.call(d),d.redraw({withTransform:!0,withUpdateXDomain:!0,withUpdateOrgXDomain:!0,withTransition:!1,withTransitionForTransform:!1,withLegend:!0}),b.transition().style("opacity",1))},10))})}),void c.observe(b.node(),{attributes:!0,childList:!0,characterData:!0}))},i.bindResize=function(){var b=this,c=b.config;if(b.resizeFunction=b.generateResize(),b.resizeFunction.add(function(){c.onresize.call(b)}),c.resize_auto&&b.resizeFunction.add(function(){void 0!==b.resizeTimeout&&a.clearTimeout(b.resizeTimeout),b.resizeTimeout=a.setTimeout(function(){delete b.resizeTimeout,b.api.flush()},100)}),b.resizeFunction.add(function(){c.onresized.call(b)}),a.attachEvent)a.attachEvent("onresize",b.resizeFunction);else if(a.addEventListener)a.addEventListener("resize",b.resizeFunction,!1);else{var d=a.onresize;d?d.add&&d.remove||(d=b.generateResize(),d.add(a.onresize)):d=b.generateResize(),d.add(b.resizeFunction),a.onresize=d}},i.generateResize=function(){function a(){b.forEach(function(a){a()})}var b=[];return a.add=function(a){b.push(a)},a.remove=function(a){for(var c=0;c<b.length;c++)if(b[c]===a){b.splice(c,1);break}},a},i.endall=function(a,b){var c=0;a.each(function(){++c}).each("end",function(){--c||b.apply(this,arguments)})},i.generateWait=function(){var a=[],b=function(b,c){var d=setInterval(function(){var b=0;a.forEach(function(a){if(a.empty())return void(b+=1);try{a.transition()}catch(c){b+=1}}),b===a.length&&(clearInterval(d),c&&c())},10)};return b.add=function(b){a.push(b)},b},i.parseDate=function(b){var c,d=this;return b instanceof Date?c=b:"string"==typeof b?c=d.dataTimeFormat(d.config.data_xFormat).parse(b):"number"!=typeof b||isNaN(b)||(c=new Date(+b)),(!c||isNaN(+c))&&a.console.error("Failed to parse x '"+b+"' to Date object"),c},i.isTabVisible=function(){var a;return"undefined"!=typeof document.hidden?a="hidden":"undefined"!=typeof document.mozHidden?a="mozHidden":"undefined"!=typeof document.msHidden?a="msHidden":"undefined"!=typeof document.webkitHidden&&(a="webkitHidden"),document[a]?!1:!0},i.getDefaultConfig=function(){var a={bindto:"#chart",svg_classname:void 0,size_width:void 0,size_height:void 0,padding_left:void 0,padding_right:void 0,padding_top:void 0,padding_bottom:void 0,resize_auto:!0,zoom_enabled:!1,zoom_extent:void 0,zoom_privileged:!1,zoom_rescale:!1,zoom_onzoom:function(){},zoom_onzoomstart:function(){},zoom_onzoomend:function(){},zoom_x_min:void 0,zoom_x_max:void 0,interaction_enabled:!0,onmouseover:function(){},onmouseout:function(){},onresize:function(){},onresized:function(){},oninit:function(){},onrendered:function(){},transition_duration:350,data_x:void 0,data_xs:{},data_xFormat:"%Y-%m-%d",data_xLocaltime:!0,data_xSort:!0,data_idConverter:function(a){return a},data_names:{},data_classes:{},data_groups:[],data_axes:{},data_type:void 0,data_types:{},data_labels:{},data_order:"desc",data_regions:{},data_color:void 0,data_colors:{},data_hide:!1,data_filter:void 0,data_selection_enabled:!1,data_selection_grouped:!1,data_selection_isselectable:function(){return!0},data_selection_multiple:!0,data_selection_draggable:!1,data_onclick:function(){},data_onmouseover:function(){},data_onmouseout:function(){},data_onselected:function(){},data_onunselected:function(){},data_url:void 0,data_json:void 0,data_rows:void 0,data_columns:void 0,data_mimeType:void 0,data_keys:void 0,data_empty_label_text:"",subchart_show:!1,subchart_size_height:60,subchart_axis_x_show:!0,subchart_onbrush:function(){},color_pattern:[],color_threshold:{},legend_show:!0,legend_hide:!1,legend_position:"bottom",legend_inset_anchor:"top-left",legend_inset_x:10,legend_inset_y:0,legend_inset_step:void 0,legend_item_onclick:void 0,legend_item_onmouseover:void 0,legend_item_onmouseout:void 0,legend_equally:!1,legend_padding:0,legend_item_tile_width:10,legend_item_tile_height:10,axis_rotated:!1,axis_x_show:!0,axis_x_type:"indexed",axis_x_localtime:!0,axis_x_categories:[],axis_x_tick_centered:!1,axis_x_tick_format:void 0,axis_x_tick_culling:{},axis_x_tick_culling_max:10,axis_x_tick_count:void 0,axis_x_tick_fit:!0,axis_x_tick_values:null,axis_x_tick_rotate:0,axis_x_tick_outer:!0,axis_x_tick_multiline:!0,axis_x_tick_width:null,axis_x_max:void 0,axis_x_min:void 0,axis_x_padding:{},axis_x_height:void 0,axis_x_extent:void 0,axis_x_label:{},axis_y_show:!0,axis_y_type:void 0,axis_y_max:void 0,axis_y_min:void 0,axis_y_inverted:!1,axis_y_center:void 0,axis_y_inner:void 0,axis_y_label:{},axis_y_tick_format:void 0,axis_y_tick_outer:!0,axis_y_tick_values:null,axis_y_tick_count:void 0,axis_y_tick_time_value:void 0,axis_y_tick_time_interval:void 0,axis_y_padding:{},axis_y_default:void 0,axis_y2_show:!1,axis_y2_max:void 0,axis_y2_min:void 0,axis_y2_inverted:!1,axis_y2_center:void 0,axis_y2_inner:void 0,axis_y2_label:{},axis_y2_tick_format:void 0,axis_y2_tick_outer:!0,axis_y2_tick_values:null,axis_y2_tick_count:void 0,axis_y2_padding:{},axis_y2_default:void 0,grid_x_show:!1,grid_x_type:"tick",grid_x_lines:[],grid_y_show:!1,grid_y_lines:[],grid_y_ticks:10,grid_focus_show:!0,grid_lines_front:!0,point_show:!0,point_r:2.5,point_sensitivity:10,point_focus_expand_enabled:!0,point_focus_expand_r:void 0,point_select_r:void 0,line_connectNull:!1,line_step_type:"step",bar_width:void 0,bar_width_ratio:.6,bar_width_max:void 0,bar_zerobased:!0,area_zerobased:!0,pie_label_show:!0,pie_label_format:void 0,pie_label_threshold:.05,pie_expand:{},pie_expand_duration:50,gauge_label_show:!0,gauge_label_format:void 0,gauge_min:0,gauge_max:100,gauge_units:void 0,gauge_width:void 0,gauge_expand:{},gauge_expand_duration:50,donut_label_show:!0,donut_label_format:void 0,donut_label_threshold:.05,donut_width:void 0,donut_title:"",donut_expand:{},donut_expand_duration:50,spline_interpolation_type:"cardinal",regions:[],tooltip_show:!0,tooltip_grouped:!0,tooltip_format_title:void 0,tooltip_format_name:void 0,tooltip_format_value:void 0,tooltip_position:void 0,tooltip_contents:function(a,b,c,d){return this.getTooltipContent?this.getTooltipContent(a,b,c,d):""},tooltip_init_show:!1,tooltip_init_x:0,tooltip_init_position:{top:"0px",left:"50px"},tooltip_onshow:function(){},tooltip_onhide:function(){},title_text:void 0,title_padding:{top:0,right:0,bottom:0,left:0},title_position:"top-center"};return Object.keys(this.additionalConfig).forEach(function(b){a[b]=this.additionalConfig[b]},this),a},i.additionalConfig={},i.loadConfig=function(a){function b(){var a=d.shift();return a&&c&&"object"==typeof c&&a in c?(c=c[a],b()):a?void 0:c}var c,d,e,f=this.config;Object.keys(f).forEach(function(g){c=a,d=g.split("_"),e=b(),q(e)&&(f[g]=e)})},i.getScale=function(a,b,c){return(c?this.d3.time.scale():this.d3.scale.linear()).range([a,b])},i.getX=function(a,b,c,d){var e,f=this,g=f.getScale(a,b,f.isTimeSeries()),h=c?g.domain(c):g;f.isCategorized()?(d=d||function(){return 0},g=function(a,b){var c=h(a)+d(a);return b?c:Math.ceil(c)}):g=function(a,b){var c=h(a);return b?c:Math.ceil(c)};for(e in h)g[e]=h[e];return g.orgDomain=function(){return h.domain()},f.isCategorized()&&(g.domain=function(a){return arguments.length?(h.domain(a),g):(a=this.orgDomain(),[a[0],a[1]+1])}),g},i.getY=function(a,b,c){var d=this.getScale(a,b,this.isTimeSeriesY());return c&&d.domain(c),d},i.getYScale=function(a){return"y2"===this.axis.getId(a)?this.y2:this.y},i.getSubYScale=function(a){return"y2"===this.axis.getId(a)?this.subY2:this.subY},i.updateScales=function(){var a=this,b=a.config,c=!a.x;a.xMin=b.axis_rotated?1:0,a.xMax=b.axis_rotated?a.height:a.width,a.yMin=b.axis_rotated?0:a.height,a.yMax=b.axis_rotated?a.width:1,a.subXMin=a.xMin,a.subXMax=a.xMax,a.subYMin=b.axis_rotated?0:a.height2,a.subYMax=b.axis_rotated?a.width2:1,a.x=a.getX(a.xMin,a.xMax,c?void 0:a.x.orgDomain(),function(){return a.xAxis.tickOffset()}),a.y=a.getY(a.yMin,a.yMax,c?b.axis_y_default:a.y.domain()),a.y2=a.getY(a.yMin,a.yMax,c?b.axis_y2_default:a.y2.domain()),a.subX=a.getX(a.xMin,a.xMax,a.orgXDomain,function(b){return 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b,c,d,e,f,g,h=this,i=h.config,j=h.mapToIds(a),k=h.getValuesAsIdKeyed(a);if(i.data_groups.length>0)for(g=h.hasNegativeValueInTargets(a),b=0;b<i.data_groups.length;b++)if(e=i.data_groups[b].filter(function(a){return j.indexOf(a)>=0}),0!==e.length)for(d=e[0],g&&k[d]&&k[d].forEach(function(a,b){k[d][b]=0>a?a:0}),c=1;c<e.length;c++)f=e[c],k[f]&&k[f].forEach(function(a,b){h.axis.getId(f)!==h.axis.getId(d)||!k[d]||g&&+a>0||(k[d][b]+=+a)});return h.d3.min(Object.keys(k).map(function(a){return h.d3.min(k[a])}))},i.getYDomainMax=function(a){var b,c,d,e,f,g,h=this,i=h.config,j=h.mapToIds(a),k=h.getValuesAsIdKeyed(a);if(i.data_groups.length>0)for(g=h.hasPositiveValueInTargets(a),b=0;b<i.data_groups.length;b++)if(e=i.data_groups[b].filter(function(a){return j.indexOf(a)>=0}),0!==e.length)for(d=e[0],g&&k[d]&&k[d].forEach(function(a,b){k[d][b]=a>0?a:0}),c=1;c<e.length;c++)f=e[c],k[f]&&k[f].forEach(function(a,b){h.axis.getId(f)!==h.axis.getId(d)||!k[d]||g&&0>+a||(k[d][b]+=+a)});return h.d3.max(Object.keys(k).map(function(a){return h.d3.max(k[a])}))},i.getYDomain=function(a,b,c){var d,e,f,g,h,i,j,k,l,n,o,p=this,q=p.config,r=a.filter(function(a){return p.axis.getId(a.id)===b}),s=c?p.filterByXDomain(r,c):r,u="y2"===b?q.axis_y2_min:q.axis_y_min,w="y2"===b?q.axis_y2_max:q.axis_y_max,x=p.getYDomainMin(s),y=p.getYDomainMax(s),z="y2"===b?q.axis_y2_center:q.axis_y_center,A=p.hasType("bar",s)&&q.bar_zerobased||p.hasType("area",s)&&q.area_zerobased,B="y2"===b?q.axis_y2_inverted:q.axis_y_inverted,C=p.hasDataLabel()&&q.axis_rotated,D=p.hasDataLabel()&&!q.axis_rotated;return x=m(u)?u:m(w)?w>x?x:w-10:x,y=m(w)?w:m(u)?y>u?y:u+10:y,0===s.length?"y2"===b?p.y2.domain():p.y.domain():(isNaN(x)&&(x=0),isNaN(y)&&(y=x),x===y&&(0>x?y=0:x=0),n=x>=0&&y>=0,o=0>=x&&0>=y,(m(u)&&n||m(w)&&o)&&(A=!1),A&&(n&&(x=0),o&&(y=0)),e=Math.abs(y-x),f=g=h=.1*e,"undefined"!=typeof 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a,b,f=c.filterTargetsToShow(c.data.targets);c.hasArcType(f)||(a=d.mouse(this),b=c.findClosestFromTargets(f,a),b&&(c.isBarType(b.id)||c.dist(b,a)<e.point_sensitivity)&&c.main.selectAll("."+l.shapes+c.getTargetSelectorSuffix(b.id)).selectAll("."+l.shape+"-"+b.index).each(function(){(e.data_selection_grouped||c.isWithinShape(this,b))&&(c.toggleShape(this,b,b.index),c.config.data_onclick.call(c.api,b,this))}))}).call(e.data_selection_draggable&&c.drag?d.behavior.drag().origin(Object).on("drag",function(){c.drag(d.mouse(this))}).on("dragstart",function(){c.dragstart(d.mouse(this))}).on("dragend",function(){c.dragend()}):function(){})},i.dispatchEvent=function(b,c,d){var e=this,f="."+l.eventRect+(e.isMultipleX()?"":"-"+c),g=e.main.select(f).node(),h=g.getBoundingClientRect(),i=h.left+(d?d[0]:0),j=h.top+(d?d[1]:0),k=document.createEvent("MouseEvents");k.initMouseEvent(b,!0,!0,a,0,i,j,i,j,!1,!1,!1,!1,0,null),g.dispatchEvent(k)},i.getCurrentWidth=function(){var a=this,b=a.config;return 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d=this.main.selectAll("."+l.selectedCircle);return[(c?this.mainCircle.transition(Math.random().toString()):this.mainCircle).style("opacity",this.opacityForCircle.bind(this)).style("fill",this.color).attr("cx",a).attr("cy",b),(c?d.transition(Math.random().toString()):d).attr("cx",a).attr("cy",b)]},i.circleX=function(a){return a.x||0===a.x?this.x(a.x):null},i.updateCircleY=function(){var a,b,c=this;c.config.data_groups.length>0?(a=c.getShapeIndices(c.isLineType),b=c.generateGetLinePoints(a),c.circleY=function(a,c){return b(a,c)[0][1]}):c.circleY=function(a){return c.getYScale(a.id)(a.value)}},i.getCircles=function(a,b){var c=this;return(b?c.main.selectAll("."+l.circles+c.getTargetSelectorSuffix(b)):c.main).selectAll("."+l.circle+(m(a)?"-"+a:""))},i.expandCircles=function(a,b,c){var d=this,e=d.pointExpandedR.bind(d);c&&d.unexpandCircles(),d.getCircles(a,b).classed(l.EXPANDED,!0).attr("r",e)},i.unexpandCircles=function(a){var b=this,c=b.pointR.bind(b);b.getCircles(a).filter(function(){return b.d3.select(this).classed(l.EXPANDED)}).classed(l.EXPANDED,!1).attr("r",c)},i.pointR=function(a){var b=this,c=b.config;return b.isStepType(a)?0:n(c.point_r)?c.point_r(a):c.point_r},i.pointExpandedR=function(a){var b=this,c=b.config;return c.point_focus_expand_enabled?c.point_focus_expand_r?c.point_focus_expand_r:1.75*b.pointR(a):b.pointR(a)},i.pointSelectR=function(a){var b=this,c=b.config;return c.point_select_r?c.point_select_r:4*b.pointR(a)},i.isWithinCircle=function(a,b){var c=this.d3,d=c.mouse(a),e=c.select(a),f=+e.attr("cx"),g=+e.attr("cy");return Math.sqrt(Math.pow(f-d[0],2)+Math.pow(g-d[1],2))<b},i.isWithinStep=function(a,b){return Math.abs(b-this.d3.mouse(a)[1])<30},i.initBar=function(){var a=this;a.main.select("."+l.chart).append("g").attr("class",l.chartBars)},i.updateTargetsForBar=function(a){var b,c,d=this,e=d.config,f=d.classChartBar.bind(d),g=d.classBars.bind(d),h=d.classFocus.bind(d);b=d.main.select("."+l.chartBars).selectAll("."+l.chartBar).data(a).attr("class",function(a){
+return f(a)+h(a)}),c=b.enter().append("g").attr("class",f).style("opacity",0).style("pointer-events","none"),c.append("g").attr("class",g).style("cursor",function(a){return e.data_selection_isselectable(a)?"pointer":null})},i.updateBar=function(a){var b=this,c=b.barData.bind(b),d=b.classBar.bind(b),e=b.initialOpacity.bind(b),f=function(a){return b.color(a.id)};b.mainBar=b.main.selectAll("."+l.bars).selectAll("."+l.bar).data(c),b.mainBar.enter().append("path").attr("class",d).style("stroke",f).style("fill",f),b.mainBar.style("opacity",e),b.mainBar.exit().transition().duration(a).style("opacity",0).remove()},i.redrawBar=function(a,b){return[(b?this.mainBar.transition(Math.random().toString()):this.mainBar).attr("d",a).style("fill",this.color).style("opacity",1)]},i.getBarW=function(a,b){var c=this,d=c.config,e="number"==typeof d.bar_width?d.bar_width:b?a.tickInterval()*d.bar_width_ratio/b:0;return d.bar_width_max&&e>d.bar_width_max?d.bar_width_max:e},i.getBars=function(a,b){var c=this;return(b?c.main.selectAll("."+l.bars+c.getTargetSelectorSuffix(b)):c.main).selectAll("."+l.bar+(m(a)?"-"+a:""))},i.expandBars=function(a,b,c){var d=this;c&&d.unexpandBars(),d.getBars(a,b).classed(l.EXPANDED,!0)},i.unexpandBars=function(a){var b=this;b.getBars(a).classed(l.EXPANDED,!1)},i.generateDrawBar=function(a,b){var c=this,d=c.config,e=c.generateGetBarPoints(a,b);return function(a,b){var c=e(a,b),f=d.axis_rotated?1:0,g=d.axis_rotated?0:1,h="M "+c[0][f]+","+c[0][g]+" L"+c[1][f]+","+c[1][g]+" L"+c[2][f]+","+c[2][g]+" L"+c[3][f]+","+c[3][g]+" z";return h}},i.generateGetBarPoints=function(a,b){var c=this,d=b?c.subXAxis:c.xAxis,e=a.__max__+1,f=c.getBarW(d,e),g=c.getShapeX(f,e,a,!!b),h=c.getShapeY(!!b),i=c.getShapeOffset(c.isBarType,a,!!b),j=b?c.getSubYScale:c.getYScale;return function(a,b){var d=j.call(c,a.id)(0),e=i(a,b)||d,k=g(a),l=h(a);return c.config.axis_rotated&&(0<a.value&&d>l||a.value<0&&l>d)&&(l=d),[[k,e],[k,l-(d-e)],[k+f,l-(d-e)],[k+f,e]]}},i.isWithinBar=function(a){var b=this.d3.mouse(a),c=a.getBoundingClientRect(),d=a.pathSegList.getItem(0),e=a.pathSegList.getItem(1),f=Math.min(d.x,e.x),g=Math.min(d.y,e.y),h=c.width,i=c.height,j=2,k=f-j,l=f+h+j,m=g+i+j,n=g-j;return k<b[0]&&b[0]<l&&n<b[1]&&b[1]<m},i.initText=function(){var a=this;a.main.select("."+l.chart).append("g").attr("class",l.chartTexts),a.mainText=a.d3.selectAll([])},i.updateTargetsForText=function(a){var b,c,d=this,e=d.classChartText.bind(d),f=d.classTexts.bind(d),g=d.classFocus.bind(d);b=d.main.select("."+l.chartTexts).selectAll("."+l.chartText).data(a).attr("class",function(a){return e(a)+g(a)}),c=b.enter().append("g").attr("class",e).style("opacity",0).style("pointer-events","none"),c.append("g").attr("class",f)},i.updateText=function(a){var b=this,c=b.config,d=b.barOrLineData.bind(b),e=b.classText.bind(b);b.mainText=b.main.selectAll("."+l.texts).selectAll("."+l.text).data(d),b.mainText.enter().append("text").attr("class",e).attr("text-anchor",function(a){return c.axis_rotated?a.value<0?"end":"start":"middle"}).style("stroke","none").style("fill",function(a){return b.color(a)}).style("fill-opacity",0),b.mainText.text(function(a,c,d){return b.dataLabelFormat(a.id)(a.value,a.id,c,d)}),b.mainText.exit().transition().duration(a).style("fill-opacity",0).remove()},i.redrawText=function(a,b,c,d){return[(d?this.mainText.transition():this.mainText).attr("x",a).attr("y",b).style("fill",this.color).style("fill-opacity",c?0:this.opacityForText.bind(this))]},i.getTextRect=function(a,b,c){var d,e=this.d3.select("body").append("div").classed("c3",!0),f=e.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),g=this.d3.select(c).style("font");return f.selectAll(".dummy").data([a]).enter().append("text").classed(b?b:"",!0).style("font",g).text(a).each(function(){d=this.getBoundingClientRect()}),e.remove(),d},i.generateXYForText=function(a,b,c,d){var e=this,f=e.generateGetAreaPoints(a,!1),g=e.generateGetBarPoints(b,!1),h=e.generateGetLinePoints(c,!1),i=d?e.getXForText:e.getYForText;return function(a,b){var c=e.isAreaType(a)?f:e.isBarType(a)?g:h;return i.call(e,c(a,b),a,this)}},i.getXForText=function(a,b,c){var d,e,f=this,g=c.getBoundingClientRect();return f.config.axis_rotated?(e=f.isBarType(b)?4:6,d=a[2][1]+e*(b.value<0?-1:1)):d=f.hasType("bar")?(a[2][0]+a[0][0])/2:a[0][0],null===b.value&&(d>f.width?d=f.width-g.width:0>d&&(d=4)),d},i.getYForText=function(a,b,c){var d,e=this,f=c.getBoundingClientRect();return e.config.axis_rotated?d=(a[0][0]+a[2][0]+.6*f.height)/2:(d=a[2][1],b.value<0||0===b.value&&!e.hasPositiveValue?(d+=f.height,e.isBarType(b)&&e.isSafari()?d-=3:!e.isBarType(b)&&e.isChrome()&&(d+=3)):d+=e.isBarType(b)?-3:-6),null!==b.value||e.config.axis_rotated||(d<f.height?d=f.height:d>this.height&&(d=this.height-4)),d},i.setTargetType=function(a,b){var c=this,d=c.config;c.mapToTargetIds(a).forEach(function(a){c.withoutFadeIn[a]=b===d.data_types[a],d.data_types[a]=b}),a||(d.data_type=b)},i.hasType=function(a,b){var c=this,d=c.config.data_types,e=!1;return b=b||c.data.targets,b&&b.length?b.forEach(function(b){var c=d[b.id];(c&&c.indexOf(a)>=0||!c&&"line"===a)&&(e=!0)}):Object.keys(d).length?Object.keys(d).forEach(function(b){d[b]===a&&(e=!0)}):e=c.config.data_type===a,e},i.hasArcType=function(a){return this.hasType("pie",a)||this.hasType("donut",a)||this.hasType("gauge",a)},i.isLineType=function(a){var b=this.config,c=o(a)?a:a.id;return!b.data_types[c]||["line","spline","area","area-spline","step","area-step"].indexOf(b.data_types[c])>=0},i.isStepType=function(a){var b=o(a)?a:a.id;return["step","area-step"].indexOf(this.config.data_types[b])>=0},i.isSplineType=function(a){var b=o(a)?a:a.id;return["spline","area-spline"].indexOf(this.config.data_types[b])>=0},i.isAreaType=function(a){var b=o(a)?a:a.id;return["area","area-spline","area-step"].indexOf(this.config.data_types[b])>=0},i.isBarType=function(a){var b=o(a)?a:a.id;return"bar"===this.config.data_types[b]},i.isScatterType=function(a){var b=o(a)?a:a.id;return"scatter"===this.config.data_types[b]},i.isPieType=function(a){var b=o(a)?a:a.id;return"pie"===this.config.data_types[b]},i.isGaugeType=function(a){var b=o(a)?a:a.id;return"gauge"===this.config.data_types[b]},i.isDonutType=function(a){var b=o(a)?a:a.id;return"donut"===this.config.data_types[b]},i.isArcType=function(a){return this.isPieType(a)||this.isDonutType(a)||this.isGaugeType(a)},i.lineData=function(a){return this.isLineType(a)?[a]:[]},i.arcData=function(a){return this.isArcType(a.data)?[a]:[]},i.barData=function(a){return this.isBarType(a)?a.values:[]},i.lineOrScatterData=function(a){return this.isLineType(a)||this.isScatterType(a)?a.values:[]},i.barOrLineData=function(a){return this.isBarType(a)||this.isLineType(a)?a.values:[]},i.isInterpolationType=function(a){return["linear","linear-closed","basis","basis-open","basis-closed","bundle","cardinal","cardinal-open","cardinal-closed","monotone"].indexOf(a)>=0},i.initGrid=function(){var a=this,b=a.config,c=a.d3;a.grid=a.main.append("g").attr("clip-path",a.clipPathForGrid).attr("class",l.grid),b.grid_x_show&&a.grid.append("g").attr("class",l.xgrids),b.grid_y_show&&a.grid.append("g").attr("class",l.ygrids),b.grid_focus_show&&a.grid.append("g").attr("class",l.xgridFocus).append("line").attr("class",l.xgridFocus),a.xgrid=c.selectAll([]),b.grid_lines_front||a.initGridLines()},i.initGridLines=function(){var a=this,b=a.d3;a.gridLines=a.main.append("g").attr("clip-path",a.clipPathForGrid).attr("class",l.grid+" "+l.gridLines),a.gridLines.append("g").attr("class",l.xgridLines),a.gridLines.append("g").attr("class",l.ygridLines),a.xgridLines=b.selectAll([])},i.updateXGrid=function(a){var b=this,c=b.config,d=b.d3,e=b.generateGridData(c.grid_x_type,b.x),f=b.isCategorized()?b.xAxis.tickOffset():0;b.xgridAttr=c.axis_rotated?{x1:0,x2:b.width,y1:function(a){return b.x(a)-f},y2:function(a){return b.x(a)-f}}:{x1:function(a){return b.x(a)+f},x2:function(a){return b.x(a)+f},y1:0,y2:b.height},b.xgrid=b.main.select("."+l.xgrids).selectAll("."+l.xgrid).data(e),b.xgrid.enter().append("line").attr("class",l.xgrid),a||b.xgrid.attr(b.xgridAttr).style("opacity",function(){return+d.select(this).attr(c.axis_rotated?"y1":"x1")===(c.axis_rotated?b.height:0)?0:1}),b.xgrid.exit().remove()},i.updateYGrid=function(){var a=this,b=a.config,c=a.yAxis.tickValues()||a.y.ticks(b.grid_y_ticks);a.ygrid=a.main.select("."+l.ygrids).selectAll("."+l.ygrid).data(c),a.ygrid.enter().append("line").attr("class",l.ygrid),a.ygrid.attr("x1",b.axis_rotated?a.y:0).attr("x2",b.axis_rotated?a.y:a.width).attr("y1",b.axis_rotated?0:a.y).attr("y2",b.axis_rotated?a.height:a.y),a.ygrid.exit().remove(),a.smoothLines(a.ygrid,"grid")},i.gridTextAnchor=function(a){return a.position?a.position:"end"},i.gridTextDx=function(a){return"start"===a.position?4:"middle"===a.position?0:-4},i.xGridTextX=function(a){return"start"===a.position?-this.height:"middle"===a.position?-this.height/2:0},i.yGridTextX=function(a){return"start"===a.position?0:"middle"===a.position?this.width/2:this.width},i.updateGrid=function(a){var b,c,d,e=this,f=e.main,g=e.config;e.grid.style("visibility",e.hasArcType()?"hidden":"visible"),f.select("line."+l.xgridFocus).style("visibility","hidden"),g.grid_x_show&&e.updateXGrid(),e.xgridLines=f.select("."+l.xgridLines).selectAll("."+l.xgridLine).data(g.grid_x_lines),b=e.xgridLines.enter().append("g").attr("class",function(a){return l.xgridLine+(a["class"]?" "+a["class"]:"")}),b.append("line").style("opacity",0),b.append("text").attr("text-anchor",e.gridTextAnchor).attr("transform",g.axis_rotated?"":"rotate(-90)").attr("dx",e.gridTextDx).attr("dy",-5).style("opacity",0),e.xgridLines.exit().transition().duration(a).style("opacity",0).remove(),g.grid_y_show&&e.updateYGrid(),e.ygridLines=f.select("."+l.ygridLines).selectAll("."+l.ygridLine).data(g.grid_y_lines),c=e.ygridLines.enter().append("g").attr("class",function(a){return l.ygridLine+(a["class"]?" "+a["class"]:"")}),c.append("line").style("opacity",0),c.append("text").attr("text-anchor",e.gridTextAnchor).attr("transform",g.axis_rotated?"rotate(-90)":"").attr("dx",e.gridTextDx).attr("dy",-5).style("opacity",0),d=e.yv.bind(e),e.ygridLines.select("line").transition().duration(a).attr("x1",g.axis_rotated?d:0).attr("x2",g.axis_rotated?d:e.width).attr("y1",g.axis_rotated?0:d).attr("y2",g.axis_rotated?e.height:d).style("opacity",1),e.ygridLines.select("text").transition().duration(a).attr("x",g.axis_rotated?e.xGridTextX.bind(e):e.yGridTextX.bind(e)).attr("y",d).text(function(a){return a.text}).style("opacity",1),e.ygridLines.exit().transition().duration(a).style("opacity",0).remove()},i.redrawGrid=function(a){var b=this,c=b.config,d=b.xv.bind(b),e=b.xgridLines.select("line"),f=b.xgridLines.select("text");return[(a?e.transition():e).attr("x1",c.axis_rotated?0:d).attr("x2",c.axis_rotated?b.width:d).attr("y1",c.axis_rotated?d:0).attr("y2",c.axis_rotated?d:b.height).style("opacity",1),(a?f.transition():f).attr("x",c.axis_rotated?b.yGridTextX.bind(b):b.xGridTextX.bind(b)).attr("y",d).text(function(a){return a.text}).style("opacity",1)]},i.showXGridFocus=function(a){var b=this,c=b.config,d=a.filter(function(a){return a&&m(a.value)}),e=b.main.selectAll("line."+l.xgridFocus),f=b.xx.bind(b);c.tooltip_show&&(b.hasType("scatter")||b.hasArcType()||(e.style("visibility","visible").data([d[0]]).attr(c.axis_rotated?"y1":"x1",f).attr(c.axis_rotated?"y2":"x2",f),b.smoothLines(e,"grid")))},i.hideXGridFocus=function(){this.main.select("line."+l.xgridFocus).style("visibility","hidden")},i.updateXgridFocus=function(){var a=this,b=a.config;a.main.select("line."+l.xgridFocus).attr("x1",b.axis_rotated?0:-10).attr("x2",b.axis_rotated?a.width:-10).attr("y1",b.axis_rotated?-10:0).attr("y2",b.axis_rotated?-10:a.height)},i.generateGridData=function(a,b){var c,d,e,f,g=this,h=[],i=g.main.select("."+l.axisX).selectAll(".tick").size();if("year"===a)for(c=g.getXDomain(),d=c[0].getFullYear(),e=c[1].getFullYear(),f=d;e>=f;f++)h.push(new Date(f+"-01-01 00:00:00"));else h=b.ticks(10),h.length>i&&(h=h.filter(function(a){return(""+a).indexOf(".")<0}));return h},i.getGridFilterToRemove=function(a){return a?function(b){var c=!1;return[].concat(a).forEach(function(a){("value"in a&&b.value===a.value||"class"in a&&b["class"]===a["class"])&&(c=!0)}),c}:function(){return!0}},i.removeGridLines=function(a,b){var c=this,d=c.config,e=c.getGridFilterToRemove(a),f=function(a){return!e(a)},g=b?l.xgridLines:l.ygridLines,h=b?l.xgridLine:l.ygridLine;c.main.select("."+g).selectAll("."+h).filter(e).transition().duration(d.transition_duration).style("opacity",0).remove(),b?d.grid_x_lines=d.grid_x_lines.filter(f):d.grid_y_lines=d.grid_y_lines.filter(f)},i.initTooltip=function(){var a,b=this,c=b.config;if(b.tooltip=b.selectChart.style("position","relative").append("div").attr("class",l.tooltipContainer).style("position","absolute").style("pointer-events","none").style("display","none"),c.tooltip_init_show){if(b.isTimeSeries()&&o(c.tooltip_init_x)){for(c.tooltip_init_x=b.parseDate(c.tooltip_init_x),a=0;a<b.data.targets[0].values.length&&b.data.targets[0].values[a].x-c.tooltip_init_x!==0;a++);c.tooltip_init_x=a}b.tooltip.html(c.tooltip_contents.call(b,b.data.targets.map(function(a){return b.addName(a.values[c.tooltip_init_x])}),b.axis.getXAxisTickFormat(),b.getYFormat(b.hasArcType()),b.color)),b.tooltip.style("top",c.tooltip_init_position.top).style("left",c.tooltip_init_position.left).style("display","block")}},i.getTooltipContent=function(a,b,c,d){var e,f,g,h,i,j,k=this,l=k.config,m=l.tooltip_format_title||b,n=l.tooltip_format_name||function(a){return a},o=l.tooltip_format_value||c,p=k.isOrderAsc();if(0===l.data_groups.length)a.sort(function(a,b){return p?a.value-b.value:b.value-a.value});else{var q=k.orderTargets(k.data.targets).map(function(a){return a.id});a.sort(function(a,b){return a.value>0&&b.value>0?p?q.indexOf(a.id)-q.indexOf(b.id):q.indexOf(b.id)-q.indexOf(a.id):p?a.value-b.value:b.value-a.value})}for(f=0;f<a.length;f++)if(a[f]&&(a[f].value||0===a[f].value)&&(e||(g=m?m(a[f].x):a[f].x,e="<table class='"+k.CLASS.tooltip+"'>"+(g||0===g?"<tr><th colspan='2'>"+g+"</th></tr>":"")),h=o(a[f].value,a[f].ratio,a[f].id,a[f].index),void 0!==h)){if(null===a[f].name)continue;i=n(a[f].name,a[f].ratio,a[f].id,a[f].index),j=k.levelColor?k.levelColor(a[f].value):d(a[f].id),e+="<tr class='"+k.CLASS.tooltipName+"-"+k.getTargetSelectorSuffix(a[f].id)+"'>",e+="<td class='name'><span style='background-color:"+j+"'></span>"+i+"</td>",e+="<td class='value'>"+h+"</td>",e+="</tr>"}return e+"</table>"},i.tooltipPosition=function(a,b,c,d){var e,f,g,h,i,j=this,k=j.config,l=j.d3,m=j.hasArcType(),n=l.mouse(d);return m?(f=(j.width-(j.isLegendRight?j.getLegendWidth():0))/2+n[0],h=j.height/2+n[1]+20):(e=j.getSvgLeft(!0),k.axis_rotated?(f=e+n[0]+100,g=f+b,i=j.currentWidth-j.getCurrentPaddingRight(),h=j.x(a[0].x)+20):(f=e+j.getCurrentPaddingLeft(!0)+j.x(a[0].x)+20,g=f+b,i=e+j.currentWidth-j.getCurrentPaddingRight(),h=n[1]+15),g>i&&(f-=g-i+20),h+c>j.currentHeight&&(h-=c+30)),0>h&&(h=0),{top:h,left:f}},i.showTooltip=function(a,b){var c,d,e,f=this,g=f.config,h=f.hasArcType(),j=a.filter(function(a){return a&&m(a.value)}),k=g.tooltip_position||i.tooltipPosition;0!==j.length&&g.tooltip_show&&(f.tooltip.html(g.tooltip_contents.call(f,a,f.axis.getXAxisTickFormat(),f.getYFormat(h),f.color)).style("display","block"),c=f.tooltip.property("offsetWidth"),d=f.tooltip.property("offsetHeight"),e=k.call(this,j,c,d,b),f.tooltip.style("top",e.top+"px").style("left",e.left+"px"))},i.hideTooltip=function(){this.tooltip.style("display","none")},i.initLegend=function(){var a=this;return a.legendItemTextBox={},a.legendHasRendered=!1,a.legend=a.svg.append("g").attr("transform",a.getTranslate("legend")),a.config.legend_show?void a.updateLegendWithDefaults():(a.legend.style("visibility","hidden"),void(a.hiddenLegendIds=a.mapToIds(a.data.targets)))},i.updateLegendWithDefaults=function(){var a=this;a.updateLegend(a.mapToIds(a.data.targets),{withTransform:!1,withTransitionForTransform:!1,withTransition:!1})},i.updateSizeForLegend=function(a,b){var c=this,d=c.config,e={top:c.isLegendTop?c.getCurrentPaddingTop()+d.legend_inset_y+5.5:c.currentHeight-a-c.getCurrentPaddingBottom()-d.legend_inset_y,left:c.isLegendLeft?c.getCurrentPaddingLeft()+d.legend_inset_x+.5:c.currentWidth-b-c.getCurrentPaddingRight()-d.legend_inset_x+.5};c.margin3={top:c.isLegendRight?0:c.isLegendInset?e.top:c.currentHeight-a,right:NaN,bottom:0,left:c.isLegendRight?c.currentWidth-b:c.isLegendInset?e.left:0}},i.transformLegend=function(a){var b=this;(a?b.legend.transition():b.legend).attr("transform",b.getTranslate("legend"))},i.updateLegendStep=function(a){this.legendStep=a},i.updateLegendItemWidth=function(a){this.legendItemWidth=a},i.updateLegendItemHeight=function(a){this.legendItemHeight=a},i.getLegendWidth=function(){var a=this;return a.config.legend_show?a.isLegendRight||a.isLegendInset?a.legendItemWidth*(a.legendStep+1):a.currentWidth:0},i.getLegendHeight=function(){var a=this,b=0;return a.config.legend_show&&(b=a.isLegendRight?a.currentHeight:Math.max(20,a.legendItemHeight)*(a.legendStep+1)),b},i.opacityForLegend=function(a){return a.classed(l.legendItemHidden)?null:1},i.opacityForUnfocusedLegend=function(a){return a.classed(l.legendItemHidden)?null:.3},i.toggleFocusLegend=function(a,b){var c=this;a=c.mapToTargetIds(a),c.legend.selectAll("."+l.legendItem).filter(function(b){return a.indexOf(b)>=0}).classed(l.legendItemFocused,b).transition().duration(100).style("opacity",function(){var a=b?c.opacityForLegend:c.opacityForUnfocusedLegend;return a.call(c,c.d3.select(this))})},i.revertLegend=function(){var a=this,b=a.d3;a.legend.selectAll("."+l.legendItem).classed(l.legendItemFocused,!1).transition().duration(100).style("opacity",function(){return a.opacityForLegend(b.select(this))})},i.showLegend=function(a){var 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c,d=this.owner,e=d.config;return(e.axis_x_tick_fit||e.axis_x_tick_count)&&(c=this.generateTickValues(d.mapTargetsToUniqueXs(a),e.axis_x_tick_count,d.isTimeSeries())),b?b.tickValues(c):(d.xAxis.tickValues(c),d.subXAxis.tickValues(c)),c},f.prototype.getYAxis=function(a,b,c,d,e,f){var h={withOuterTick:e,withoutTransition:f},i=this.owner,j=i.d3,k=i.config,l=g(j,h).scale(a).orient(b).tickFormat(c);return i.isTimeSeriesY()?l.ticks(j.time[k.axis_y_tick_time_value],k.axis_y_tick_time_interval):l.tickValues(d),l},f.prototype.getId=function(a){var b=this.owner.config;return a in b.data_axes?b.data_axes[a]:"y"},f.prototype.getXAxisTickFormat=function(){var a=this.owner,b=a.config,c=a.isTimeSeries()?a.defaultAxisTimeFormat:a.isCategorized()?a.categoryName:function(a){return 0>a?a.toFixed(0):a};return b.axis_x_tick_format&&(n(b.axis_x_tick_format)?c=b.axis_x_tick_format:a.isTimeSeries()&&(c=function(c){return c?a.axisTimeFormat(b.axis_x_tick_format)(c):""})),n(c)?function(b){return c.call(a,b)}:c},f.prototype.getTickValues=function(a,b){return a?a:b?b.tickValues():void 0},f.prototype.getXAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_x_tick_values,this.owner.xAxis)},f.prototype.getYAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y_tick_values,this.owner.yAxis)},f.prototype.getY2AxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y2_tick_values,this.owner.y2Axis)},f.prototype.getLabelOptionByAxisId=function(a){var b,c=this.owner,d=c.config;return"y"===a?b=d.axis_y_label:"y2"===a?b=d.axis_y2_label:"x"===a&&(b=d.axis_x_label),b},f.prototype.getLabelText=function(a){var b=this.getLabelOptionByAxisId(a);return o(b)?b:b?b.text:null},f.prototype.setLabelText=function(a,b){var c=this.owner,d=c.config,e=this.getLabelOptionByAxisId(a);o(e)?"y"===a?d.axis_y_label=b:"y2"===a?d.axis_y2_label=b:"x"===a&&(d.axis_x_label=b):e&&(e.text=b)},f.prototype.getLabelPosition=function(a,b){var c=this.getLabelOptionByAxisId(a),d=c&&"object"==typeof c&&c.position?c.position:b;return{isInner:d.indexOf("inner")>=0,isOuter:d.indexOf("outer")>=0,isLeft:d.indexOf("left")>=0,isCenter:d.indexOf("center")>=0,isRight:d.indexOf("right")>=0,isTop:d.indexOf("top")>=0,isMiddle:d.indexOf("middle")>=0,isBottom:d.indexOf("bottom")>=0}},f.prototype.getXAxisLabelPosition=function(){return this.getLabelPosition("x",this.owner.config.axis_rotated?"inner-top":"inner-right")},f.prototype.getYAxisLabelPosition=function(){return this.getLabelPosition("y",this.owner.config.axis_rotated?"inner-right":"inner-top")},f.prototype.getY2AxisLabelPosition=function(){return this.getLabelPosition("y2",this.owner.config.axis_rotated?"inner-right":"inner-top")},f.prototype.getLabelPositionById=function(a){return"y2"===a?this.getY2AxisLabelPosition():"y"===a?this.getYAxisLabelPosition():this.getXAxisLabelPosition()},f.prototype.textForXAxisLabel=function(){return this.getLabelText("x")},f.prototype.textForYAxisLabel=function(){return this.getLabelText("y")},f.prototype.textForY2AxisLabel=function(){return this.getLabelText("y2")},f.prototype.xForAxisLabel=function(a,b){var c=this.owner;return a?b.isLeft?0:b.isCenter?c.width/2:c.width:b.isBottom?-c.height:b.isMiddle?-c.height/2:0},f.prototype.dxForAxisLabel=function(a,b){return a?b.isLeft?"0.5em":b.isRight?"-0.5em":"0":b.isTop?"-0.5em":b.isBottom?"0.5em":"0"},f.prototype.textAnchorForAxisLabel=function(a,b){return a?b.isLeft?"start":b.isCenter?"middle":"end":b.isBottom?"start":b.isMiddle?"middle":"end"},f.prototype.xForXAxisLabel=function(){return this.xForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.xForYAxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.xForY2AxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.dxForXAxisLabel=function(){return this.dxForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.dxForYAxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.dxForY2AxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.dyForXAxisLabel=function(){var a=this.owner,b=a.config,c=this.getXAxisLabelPosition();return b.axis_rotated?c.isInner?"1.2em":-25-this.getMaxTickWidth("x"):c.isInner?"-0.5em":b.axis_x_height?b.axis_x_height-10:"3em"},f.prototype.dyForYAxisLabel=function(){var a=this.owner,b=this.getYAxisLabelPosition();return a.config.axis_rotated?b.isInner?"-0.5em":"3em":b.isInner?"1.2em":-10-(a.config.axis_y_inner?0:this.getMaxTickWidth("y")+10)},f.prototype.dyForY2AxisLabel=function(){var a=this.owner,b=this.getY2AxisLabelPosition();return a.config.axis_rotated?b.isInner?"1.2em":"-2.2em":b.isInner?"-0.5em":15+(a.config.axis_y2_inner?0:this.getMaxTickWidth("y2")+15)},f.prototype.textAnchorForXAxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(!a.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.textAnchorForYAxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(a.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.textAnchorForY2AxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(a.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.getMaxTickWidth=function(a,b){var c,d,e,f,g,h=this.owner,i=h.config,j=0;return b&&h.currentMaxTickWidths[a]?h.currentMaxTickWidths[a]:(h.svg&&(c=h.filterTargetsToShow(h.data.targets),"y"===a?(d=h.y.copy().domain(h.getYDomain(c,"y")),e=this.getYAxis(d,h.yOrient,i.axis_y_tick_format,h.yAxisTickValues,!1,!0)):"y2"===a?(d=h.y2.copy().domain(h.getYDomain(c,"y2")),e=this.getYAxis(d,h.y2Orient,i.axis_y2_tick_format,h.y2AxisTickValues,!1,!0)):(d=h.x.copy().domain(h.getXDomain(c)),e=this.getXAxis(d,h.xOrient,h.xAxisTickFormat,h.xAxisTickValues,!1,!0,!0),this.updateXAxisTickValues(c,e)),f=h.d3.select("body").append("div").classed("c3",!0),g=f.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),g.append("g").call(e).each(function(){h.d3.select(this).selectAll("text").each(function(){var a=this.getBoundingClientRect();j<a.width&&(j=a.width)}),f.remove()})),h.currentMaxTickWidths[a]=0>=j?h.currentMaxTickWidths[a]:j,h.currentMaxTickWidths[a])},f.prototype.updateLabels=function(a){var b=this.owner,c=b.main.select("."+l.axisX+" ."+l.axisXLabel),d=b.main.select("."+l.axisY+" ."+l.axisYLabel),e=b.main.select("."+l.axisY2+" ."+l.axisY2Label);(a?c.transition():c).attr("x",this.xForXAxisLabel.bind(this)).attr("dx",this.dxForXAxisLabel.bind(this)).attr("dy",this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this)),
+(a?d.transition():d).attr("x",this.xForYAxisLabel.bind(this)).attr("dx",this.dxForYAxisLabel.bind(this)).attr("dy",this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this)),(a?e.transition():e).attr("x",this.xForY2AxisLabel.bind(this)).attr("dx",this.dxForY2AxisLabel.bind(this)).attr("dy",this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this))},f.prototype.getPadding=function(a,b,c,d){var e="number"==typeof a?a:a[b];return m(e)?"ratio"===a.unit?a[b]*d:this.convertPixelsToAxisPadding(e,d):c},f.prototype.convertPixelsToAxisPadding=function(a,b){var c=this.owner,d=c.config.axis_rotated?c.width:c.height;return b*(a/d)},f.prototype.generateTickValues=function(a,b,c){var d,e,f,g,h,i,j,k=a;if(b)if(d=n(b)?b():b,1===d)k=[a[0]];else if(2===d)k=[a[0],a[a.length-1]];else if(d>2){for(g=d-2,e=a[0],f=a[a.length-1],h=(f-e)/(g+1),k=[e],i=0;g>i;i++)j=+e+h*(i+1),k.push(c?new Date(j):j);k.push(f)}return c||(k=k.sort(function(a,b){return a-b})),k},f.prototype.generateTransitions=function(a){var b=this.owner,c=b.axes;return{axisX:a?c.x.transition().duration(a):c.x,axisY:a?c.y.transition().duration(a):c.y,axisY2:a?c.y2.transition().duration(a):c.y2,axisSubX:a?c.subx.transition().duration(a):c.subx}},f.prototype.redraw=function(a,b){var c=this.owner;c.axes.x.style("opacity",b?0:1),c.axes.y.style("opacity",b?0:1),c.axes.y2.style("opacity",b?0:1),c.axes.subx.style("opacity",b?0:1),a.axisX.call(c.xAxis),a.axisY.call(c.yAxis),a.axisY2.call(c.y2Axis),a.axisSubX.call(c.subXAxis)},i.getClipPath=function(b){var c=a.navigator.appVersion.toLowerCase().indexOf("msie 9.")>=0;return"url("+(c?"":document.URL.split("#")[0])+"#"+b+")"},i.appendClip=function(a,b){return a.append("clipPath").attr("id",b).append("rect")},i.getAxisClipX=function(a){var b=Math.max(30,this.margin.left);return a?-(1+b):-(b-1)},i.getAxisClipY=function(a){return a?-20:-this.margin.top},i.getXAxisClipX=function(){var a=this;return a.getAxisClipX(!a.config.axis_rotated)},i.getXAxisClipY=function(){var a=this;return a.getAxisClipY(!a.config.axis_rotated)},i.getYAxisClipX=function(){var a=this;return a.config.axis_y_inner?-1:a.getAxisClipX(a.config.axis_rotated)},i.getYAxisClipY=function(){var a=this;return a.getAxisClipY(a.config.axis_rotated)},i.getAxisClipWidth=function(a){var b=this,c=Math.max(30,b.margin.left),d=Math.max(30,b.margin.right);return a?b.width+2+c+d:b.margin.left+20},i.getAxisClipHeight=function(a){return(a?this.margin.bottom:this.margin.top+this.height)+20},i.getXAxisClipWidth=function(){var a=this;return a.getAxisClipWidth(!a.config.axis_rotated)},i.getXAxisClipHeight=function(){var a=this;return a.getAxisClipHeight(!a.config.axis_rotated)},i.getYAxisClipWidth=function(){var a=this;return a.getAxisClipWidth(a.config.axis_rotated)+(a.config.axis_y_inner?20:0)},i.getYAxisClipHeight=function(){var a=this;return a.getAxisClipHeight(a.config.axis_rotated)},i.initPie=function(){var a=this,b=a.d3,c=a.config;a.pie=b.layout.pie().value(function(a){return a.values.reduce(function(a,b){return a+b.value},0)}),c.data_order||a.pie.sort(null)},i.updateRadius=function(){var a=this,b=a.config,c=b.gauge_width||b.donut_width;a.radiusExpanded=Math.min(a.arcWidth,a.arcHeight)/2,a.radius=.95*a.radiusExpanded,a.innerRadiusRatio=c?(a.radius-c)/a.radius:.6,a.innerRadius=a.hasType("donut")||a.hasType("gauge")?a.radius*a.innerRadiusRatio:0},i.updateArc=function(){var a=this;a.svgArc=a.getSvgArc(),a.svgArcExpanded=a.getSvgArcExpanded(),a.svgArcExpandedSub=a.getSvgArcExpanded(.98)},i.updateAngle=function(a){var b,c,d,e,f=this,g=f.config,h=!1,i=0;return g?(f.pie(f.filterTargetsToShow(f.data.targets)).forEach(function(b){h||b.data.id!==a.data.id||(h=!0,a=b,a.index=i),i++}),isNaN(a.startAngle)&&(a.startAngle=0),isNaN(a.endAngle)&&(a.endAngle=a.startAngle),f.isGaugeType(a.data)&&(b=g.gauge_min,c=g.gauge_max,d=Math.PI/(c-b),e=a.value<b?0:a.value<c?a.value-b:c-b,a.startAngle=-1*(Math.PI/2),a.endAngle=a.startAngle+d*e),h?a:null):null},i.getSvgArc=function(){var a=this,b=a.d3.svg.arc().outerRadius(a.radius).innerRadius(a.innerRadius),c=function(c,d){var e;return d?b(c):(e=a.updateAngle(c),e?b(e):"M 0 0")};return c.centroid=b.centroid,c},i.getSvgArcExpanded=function(a){var b=this,c=b.d3.svg.arc().outerRadius(b.radiusExpanded*(a?a:1)).innerRadius(b.innerRadius);return function(a){var d=b.updateAngle(a);return d?c(d):"M 0 0"}},i.getArc=function(a,b,c){return c||this.isArcType(a.data)?this.svgArc(a,b):"M 0 0"},i.transformForArcLabel=function(a){var b,c,d,e,f,g=this,h=g.updateAngle(a),i="";return h&&!g.hasType("gauge")&&(b=this.svgArc.centroid(h),c=isNaN(b[0])?0:b[0],d=isNaN(b[1])?0:b[1],e=Math.sqrt(c*c+d*d),f=g.radius&&e?(36/g.radius>.375?1.175-36/g.radius:.8)*g.radius/e:0,i="translate("+c*f+","+d*f+")"),i},i.getArcRatio=function(a){var b=this,c=b.hasType("gauge")?Math.PI:2*Math.PI;return a?(a.endAngle-a.startAngle)/c:null},i.convertToArcData=function(a){return this.addName({id:a.data.id,value:a.value,ratio:this.getArcRatio(a),index:a.index})},i.textForArcLabel=function(a){var b,c,d,e,f,g=this;return g.shouldShowArcLabel()?(b=g.updateAngle(a),c=b?b.value:null,d=g.getArcRatio(b),e=a.data.id,g.hasType("gauge")||g.meetsArcLabelThreshold(d)?(f=g.getArcLabelFormat(),f?f(c,d,e):g.defaultArcValueFormat(c,d)):""):""},i.expandArc=function(b){var c,d=this;return d.transiting?void(c=a.setInterval(function(){d.transiting||(a.clearInterval(c),d.legend.selectAll(".c3-legend-item-focused").size()>0&&d.expandArc(b))},10)):(b=d.mapToTargetIds(b),void d.svg.selectAll(d.selectorTargets(b,"."+l.chartArc)).each(function(a){d.shouldExpand(a.data.id)&&d.d3.select(this).selectAll("path").transition().duration(d.expandDuration(a.data.id)).attr("d",d.svgArcExpanded).transition().duration(2*d.expandDuration(a.data.id)).attr("d",d.svgArcExpandedSub).each(function(a){d.isDonutType(a.data)})}))},i.unexpandArc=function(a){var b=this;b.transiting||(a=b.mapToTargetIds(a),b.svg.selectAll(b.selectorTargets(a,"."+l.chartArc)).selectAll("path").transition().duration(function(a){return b.expandDuration(a.data.id)}).attr("d",b.svgArc),b.svg.selectAll("."+l.arc).style("opacity",1))},i.expandDuration=function(a){var b=this,c=b.config;return b.isDonutType(a)?c.donut_expand_duration:b.isGaugeType(a)?c.gauge_expand_duration:b.isPieType(a)?c.pie_expand_duration:50},i.shouldExpand=function(a){var b=this,c=b.config;return b.isDonutType(a)&&c.donut_expand||b.isGaugeType(a)&&c.gauge_expand||b.isPieType(a)&&c.pie_expand},i.shouldShowArcLabel=function(){var a=this,b=a.config,c=!0;return a.hasType("donut")?c=b.donut_label_show:a.hasType("pie")&&(c=b.pie_label_show),c},i.meetsArcLabelThreshold=function(a){var b=this,c=b.config,d=b.hasType("donut")?c.donut_label_threshold:c.pie_label_threshold;return a>=d},i.getArcLabelFormat=function(){var a=this,b=a.config,c=b.pie_label_format;return a.hasType("gauge")?c=b.gauge_label_format:a.hasType("donut")&&(c=b.donut_label_format),c},i.getArcTitle=function(){var a=this;return a.hasType("donut")?a.config.donut_title:""},i.updateTargetsForArc=function(a){var b,c,d=this,e=d.main,f=d.classChartArc.bind(d),g=d.classArcs.bind(d),h=d.classFocus.bind(d);b=e.select("."+l.chartArcs).selectAll("."+l.chartArc).data(d.pie(a)).attr("class",function(a){return f(a)+h(a.data)}),c=b.enter().append("g").attr("class",f),c.append("g").attr("class",g),c.append("text").attr("dy",d.hasType("gauge")?"-.1em":".35em").style("opacity",0).style("text-anchor","middle").style("pointer-events","none")},i.initArc=function(){var a=this;a.arcs=a.main.select("."+l.chart).append("g").attr("class",l.chartArcs).attr("transform",a.getTranslate("arc")),a.arcs.append("text").attr("class",l.chartArcsTitle).style("text-anchor","middle").text(a.getArcTitle())},i.redrawArc=function(a,b,c){var d,e=this,f=e.d3,g=e.config,h=e.main;d=h.selectAll("."+l.arcs).selectAll("."+l.arc).data(e.arcData.bind(e)),d.enter().append("path").attr("class",e.classArc.bind(e)).style("fill",function(a){return e.color(a.data)}).style("cursor",function(a){return g.interaction_enabled&&g.data_selection_isselectable(a)?"pointer":null}).style("opacity",0).each(function(a){e.isGaugeType(a.data)&&(a.startAngle=a.endAngle=-1*(Math.PI/2)),this._current=a}),d.attr("transform",function(a){return!e.isGaugeType(a.data)&&c?"scale(0)":""}).style("opacity",function(a){return a===this._current?0:1}).on("mouseover",g.interaction_enabled?function(a){var b,c;e.transiting||(b=e.updateAngle(a),b&&(c=e.convertToArcData(b),e.expandArc(b.data.id),e.api.focus(b.data.id),e.toggleFocusLegend(b.data.id,!0),e.config.data_onmouseover(c,this)))}:null).on("mousemove",g.interaction_enabled?function(a){var b,c,d=e.updateAngle(a);d&&(b=e.convertToArcData(d),c=[b],e.showTooltip(c,this))}:null).on("mouseout",g.interaction_enabled?function(a){var b,c;e.transiting||(b=e.updateAngle(a),b&&(c=e.convertToArcData(b),e.unexpandArc(b.data.id),e.api.revert(),e.revertLegend(),e.hideTooltip(),e.config.data_onmouseout(c,this)))}:null).on("click",g.interaction_enabled?function(a,b){var c,d=e.updateAngle(a);d&&(c=e.convertToArcData(d),e.toggleShape&&e.toggleShape(this,c,b),e.config.data_onclick.call(e.api,c,this))}:null).each(function(){e.transiting=!0}).transition().duration(a).attrTween("d",function(a){var b,c=e.updateAngle(a);return c?(isNaN(this._current.startAngle)&&(this._current.startAngle=0),isNaN(this._current.endAngle)&&(this._current.endAngle=this._current.startAngle),b=f.interpolate(this._current,c),this._current=b(0),function(c){var d=b(c);return d.data=a.data,e.getArc(d,!0)}):function(){return"M 0 0"}}).attr("transform",c?"scale(1)":"").style("fill",function(a){return e.levelColor?e.levelColor(a.data.values[0].value):e.color(a.data.id)}).style("opacity",1).call(e.endall,function(){e.transiting=!1}),d.exit().transition().duration(b).style("opacity",0).remove(),h.selectAll("."+l.chartArc).select("text").style("opacity",0).attr("class",function(a){return e.isGaugeType(a.data)?l.gaugeValue:""}).text(e.textForArcLabel.bind(e)).attr("transform",e.transformForArcLabel.bind(e)).style("font-size",function(a){return e.isGaugeType(a.data)?Math.round(e.radius/5)+"px":""}).transition().duration(a).style("opacity",function(a){return e.isTargetToShow(a.data.id)&&e.isArcType(a.data)?1:0}),h.select("."+l.chartArcsTitle).style("opacity",e.hasType("donut")||e.hasType("gauge")?1:0),e.hasType("gauge")&&(e.arcs.select("."+l.chartArcsBackground).attr("d",function(){var a={data:[{value:g.gauge_max}],startAngle:-1*(Math.PI/2),endAngle:Math.PI/2};return e.getArc(a,!0,!0)}),e.arcs.select("."+l.chartArcsGaugeUnit).attr("dy",".75em").text(g.gauge_label_show?g.gauge_units:""),e.arcs.select("."+l.chartArcsGaugeMin).attr("dx",-1*(e.innerRadius+(e.radius-e.innerRadius)/2)+"px").attr("dy","1.2em").text(g.gauge_label_show?g.gauge_min:""),e.arcs.select("."+l.chartArcsGaugeMax).attr("dx",e.innerRadius+(e.radius-e.innerRadius)/2+"px").attr("dy","1.2em").text(g.gauge_label_show?g.gauge_max:""))},i.initGauge=function(){var a=this.arcs;this.hasType("gauge")&&(a.append("path").attr("class",l.chartArcsBackground),a.append("text").attr("class",l.chartArcsGaugeUnit).style("text-anchor","middle").style("pointer-events","none"),a.append("text").attr("class",l.chartArcsGaugeMin).style("text-anchor","middle").style("pointer-events","none"),a.append("text").attr("class",l.chartArcsGaugeMax).style("text-anchor","middle").style("pointer-events","none"))},i.getGaugeLabelHeight=function(){return this.config.gauge_label_show?20:0},i.initRegion=function(){var a=this;a.region=a.main.append("g").attr("clip-path",a.clipPath).attr("class",l.regions)},i.updateRegion=function(a){var b=this,c=b.config;b.region.style("visibility",b.hasArcType()?"hidden":"visible"),b.mainRegion=b.main.select("."+l.regions).selectAll("."+l.region).data(c.regions),b.mainRegion.enter().append("g").attr("class",b.classRegion.bind(b)).append("rect").style("fill-opacity",0),b.mainRegion.exit().transition().duration(a).style("opacity",0).remove()},i.redrawRegion=function(a){var b=this,c=b.mainRegion.selectAll("rect"),d=b.regionX.bind(b),e=b.regionY.bind(b),f=b.regionWidth.bind(b),g=b.regionHeight.bind(b);return[(a?c.transition():c).attr("x",d).attr("y",e).attr("width",f).attr("height",g).style("fill-opacity",function(a){return m(a.opacity)?a.opacity:.1})]},i.regionX=function(a){var b,c=this,d=c.config,e="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated&&"start"in a?e(a.start):0:d.axis_rotated?0:"start"in a?c.x(c.isTimeSeries()?c.parseDate(a.start):a.start):0},i.regionY=function(a){var b,c=this,d=c.config,e="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated?0:"end"in a?e(a.end):0:d.axis_rotated&&"start"in a?c.x(c.isTimeSeries()?c.parseDate(a.start):a.start):0},i.regionWidth=function(a){var b,c=this,d=c.config,e=c.regionX(a),f="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated&&"end"in a?f(a.end):c.width:d.axis_rotated?c.width:"end"in a?c.x(c.isTimeSeries()?c.parseDate(a.end):a.end):c.width,e>b?0:b-e},i.regionHeight=function(a){var b,c=this,d=c.config,e=this.regionY(a),f="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated?c.height:"start"in a?f(a.start):c.height:d.axis_rotated&&"end"in a?c.x(c.isTimeSeries()?c.parseDate(a.end):a.end):c.height,e>b?0:b-e},i.isRegionOnX=function(a){return!a.axis||"x"===a.axis},i.drag=function(a){var b,c,d,e,f,g,h,i,j=this,k=j.config,m=j.main,n=j.d3;j.hasArcType()||k.data_selection_enabled&&(!k.zoom_enabled||j.zoom.altDomain)&&k.data_selection_multiple&&(b=j.dragStart[0],c=j.dragStart[1],d=a[0],e=a[1],f=Math.min(b,d),g=Math.max(b,d),h=k.data_selection_grouped?j.margin.top:Math.min(c,e),i=k.data_selection_grouped?j.height:Math.max(c,e),m.select("."+l.dragarea).attr("x",f).attr("y",h).attr("width",g-f).attr("height",i-h),m.selectAll("."+l.shapes).selectAll("."+l.shape).filter(function(a){return k.data_selection_isselectable(a)}).each(function(a,b){var c,d,e,k,m,o,p=n.select(this),q=p.classed(l.SELECTED),r=p.classed(l.INCLUDED),s=!1;if(p.classed(l.circle))c=1*p.attr("cx"),d=1*p.attr("cy"),m=j.togglePoint,s=c>f&&g>c&&d>h&&i>d;else{if(!p.classed(l.bar))return;o=y(this),c=o.x,d=o.y,e=o.width,k=o.height,m=j.togglePath,s=!(c>g||f>c+e||d>i||h>d+k)}s^r&&(p.classed(l.INCLUDED,!r),p.classed(l.SELECTED,!q),m.call(j,!q,p,a,b))}))},i.dragstart=function(a){var b=this,c=b.config;b.hasArcType()||c.data_selection_enabled&&(b.dragStart=a,b.main.select("."+l.chart).append("rect").attr("class",l.dragarea).style("opacity",.1),b.dragging=!0)},i.dragend=function(){var a=this,b=a.config;a.hasArcType()||b.data_selection_enabled&&(a.main.select("."+l.dragarea).transition().duration(100).style("opacity",0).remove(),a.main.selectAll("."+l.shape).classed(l.INCLUDED,!1),a.dragging=!1)},i.selectPoint=function(a,b,c){var d=this,e=d.config,f=(e.axis_rotated?d.circleY:d.circleX).bind(d),g=(e.axis_rotated?d.circleX:d.circleY).bind(d),h=d.pointSelectR.bind(d);e.data_onselected.call(d.api,b,a.node()),d.main.select("."+l.selectedCircles+d.getTargetSelectorSuffix(b.id)).selectAll("."+l.selectedCircle+"-"+c).data([b]).enter().append("circle").attr("class",function(){return d.generateClass(l.selectedCircle,c)}).attr("cx",f).attr("cy",g).attr("stroke",function(){return d.color(b)}).attr("r",function(a){return 1.4*d.pointSelectR(a)}).transition().duration(100).attr("r",h)},i.unselectPoint=function(a,b,c){var d=this;d.config.data_onunselected.call(d.api,b,a.node()),d.main.select("."+l.selectedCircles+d.getTargetSelectorSuffix(b.id)).selectAll("."+l.selectedCircle+"-"+c).transition().duration(100).attr("r",0).remove()},i.togglePoint=function(a,b,c,d){a?this.selectPoint(b,c,d):this.unselectPoint(b,c,d)},i.selectPath=function(a,b){var c=this;c.config.data_onselected.call(c,b,a.node()),a.transition().duration(100).style("fill",function(){return c.d3.rgb(c.color(b)).brighter(.75)})},i.unselectPath=function(a,b){var c=this;c.config.data_onunselected.call(c,b,a.node()),a.transition().duration(100).style("fill",function(){return c.color(b)})},i.togglePath=function(a,b,c,d){a?this.selectPath(b,c,d):this.unselectPath(b,c,d)},i.getToggle=function(a,b){var c,d=this;return"circle"===a.nodeName?c=d.isStepType(b)?function(){}:d.togglePoint:"path"===a.nodeName&&(c=d.togglePath),c},i.toggleShape=function(a,b,c){var d=this,e=d.d3,f=d.config,g=e.select(a),h=g.classed(l.SELECTED),i=d.getToggle(a,b).bind(d);f.data_selection_enabled&&f.data_selection_isselectable(b)&&(f.data_selection_multiple||d.main.selectAll("."+l.shapes+(f.data_selection_grouped?d.getTargetSelectorSuffix(b.id):"")).selectAll("."+l.shape).each(function(a,b){var c=e.select(this);c.classed(l.SELECTED)&&i(!1,c.classed(l.SELECTED,!1),a,b)}),g.classed(l.SELECTED,!h),i(!h,g,b,c))},i.initBrush=function(){var a=this,b=a.d3;a.brush=b.svg.brush().on("brush",function(){a.redrawForBrush()}),a.brush.update=function(){return a.context&&a.context.select("."+l.brush).call(this),this},a.brush.scale=function(b){return a.config.axis_rotated?this.y(b):this.x(b)}},i.initSubchart=function(){var a=this,b=a.config,c=a.context=a.svg.append("g").attr("transform",a.getTranslate("context")),d=b.subchart_show?"visible":"hidden";c.style("visibility",d),c.append("g").attr("clip-path",a.clipPathForSubchart).attr("class",l.chart),c.select("."+l.chart).append("g").attr("class",l.chartBars),c.select("."+l.chart).append("g").attr("class",l.chartLines),c.append("g").attr("clip-path",a.clipPath).attr("class",l.brush).call(a.brush),a.axes.subx=c.append("g").attr("class",l.axisX).attr("transform",a.getTranslate("subx")).attr("clip-path",b.axis_rotated?"":a.clipPathForXAxis).style("visibility",b.subchart_axis_x_show?d:"hidden")},i.updateTargetsForSubchart=function(a){var b,c,d,e,f=this,g=f.context,h=f.config,i=f.classChartBar.bind(f),j=f.classBars.bind(f),k=f.classChartLine.bind(f),m=f.classLines.bind(f),n=f.classAreas.bind(f);h.subchart_show&&(e=g.select("."+l.chartBars).selectAll("."+l.chartBar).data(a).attr("class",i),d=e.enter().append("g").style("opacity",0).attr("class",i),d.append("g").attr("class",j),c=g.select("."+l.chartLines).selectAll("."+l.chartLine).data(a).attr("class",k),b=c.enter().append("g").style("opacity",0).attr("class",k),b.append("g").attr("class",m),b.append("g").attr("class",n),g.selectAll("."+l.brush+" rect").attr(h.axis_rotated?"width":"height",h.axis_rotated?f.width2:f.height2))},i.updateBarForSubchart=function(a){var b=this;b.contextBar=b.context.selectAll("."+l.bars).selectAll("."+l.bar).data(b.barData.bind(b)),b.contextBar.enter().append("path").attr("class",b.classBar.bind(b)).style("stroke","none").style("fill",b.color),b.contextBar.style("opacity",b.initialOpacity.bind(b)),b.contextBar.exit().transition().duration(a).style("opacity",0).remove()},i.redrawBarForSubchart=function(a,b,c){(b?this.contextBar.transition(Math.random().toString()).duration(c):this.contextBar).attr("d",a).style("opacity",1)},i.updateLineForSubchart=function(a){var b=this;b.contextLine=b.context.selectAll("."+l.lines).selectAll("."+l.line).data(b.lineData.bind(b)),b.contextLine.enter().append("path").attr("class",b.classLine.bind(b)).style("stroke",b.color),b.contextLine.style("opacity",b.initialOpacity.bind(b)),b.contextLine.exit().transition().duration(a).style("opacity",0).remove()},i.redrawLineForSubchart=function(a,b,c){(b?this.contextLine.transition(Math.random().toString()).duration(c):this.contextLine).attr("d",a).style("opacity",1)},i.updateAreaForSubchart=function(a){var b=this,c=b.d3;b.contextArea=b.context.selectAll("."+l.areas).selectAll("."+l.area).data(b.lineData.bind(b)),b.contextArea.enter().append("path").attr("class",b.classArea.bind(b)).style("fill",b.color).style("opacity",function(){return b.orgAreaOpacity=+c.select(this).style("opacity"),0}),b.contextArea.style("opacity",0),b.contextArea.exit().transition().duration(a).style("opacity",0).remove()},i.redrawAreaForSubchart=function(a,b,c){(b?this.contextArea.transition(Math.random().toString()).duration(c):this.contextArea).attr("d",a).style("fill",this.color).style("opacity",this.orgAreaOpacity)},i.redrawSubchart=function(a,b,c,d,e,f,g){var h,i,j,k=this,l=k.d3,m=k.config;k.context.style("visibility",m.subchart_show?"visible":"hidden"),m.subchart_show&&(l.event&&"zoom"===l.event.type&&k.brush.extent(k.x.orgDomain()).update(),a&&(k.brush.empty()||k.brush.extent(k.x.orgDomain()).update(),h=k.generateDrawArea(e,!0),i=k.generateDrawBar(f,!0),j=k.generateDrawLine(g,!0),k.updateBarForSubchart(c),k.updateLineForSubchart(c),k.updateAreaForSubchart(c),k.redrawBarForSubchart(i,c,c),k.redrawLineForSubchart(j,c,c),k.redrawAreaForSubchart(h,c,c)))},i.redrawForBrush=function(){var a=this,b=a.x;a.redraw({withTransition:!1,withY:a.config.zoom_rescale,withSubchart:!1,withUpdateXDomain:!0,withDimension:!1}),a.config.subchart_onbrush.call(a.api,b.orgDomain())},i.transformContext=function(a,b){var c,d=this;b&&b.axisSubX?c=b.axisSubX:(c=d.context.select("."+l.axisX),a&&(c=c.transition())),d.context.attr("transform",d.getTranslate("context")),c.attr("transform",d.getTranslate("subx"))},i.getDefaultExtent=function(){var a=this,b=a.config,c=n(b.axis_x_extent)?b.axis_x_extent(a.getXDomain(a.data.targets)):b.axis_x_extent;return a.isTimeSeries()&&(c=[a.parseDate(c[0]),a.parseDate(c[1])]),c},i.initZoom=function(){var a,b=this,c=b.d3,d=b.config;b.zoom=c.behavior.zoom().on("zoomstart",function(){a=c.event.sourceEvent,b.zoom.altDomain=c.event.sourceEvent.altKey?b.x.orgDomain():null,d.zoom_onzoomstart.call(b.api,c.event.sourceEvent)}).on("zoom",function(){b.redrawForZoom.call(b)}).on("zoomend",function(){var e=c.event.sourceEvent;e&&a.clientX===e.clientX&&a.clientY===e.clientY||(b.redrawEventRect(),b.updateZoom(),d.zoom_onzoomend.call(b.api,b.x.orgDomain()))}),b.zoom.scale=function(a){return d.axis_rotated?this.y(a):this.x(a)},b.zoom.orgScaleExtent=function(){var a=d.zoom_extent?d.zoom_extent:[1,10];return[a[0],Math.max(b.getMaxDataCount()/a[1],a[1])]},b.zoom.updateScaleExtent=function(){var a=t(b.x.orgDomain())/t(b.getZoomDomain()),c=this.orgScaleExtent();return this.scaleExtent([c[0]*a,c[1]*a]),this}},i.getZoomDomain=function(){var a=this,b=a.config,c=a.d3,d=c.min([a.orgXDomain[0],b.zoom_x_min]),e=c.max([a.orgXDomain[1],b.zoom_x_max]);return[d,e]},i.updateZoom=function(){var a=this,b=a.config.zoom_enabled?a.zoom:function(){};a.main.select("."+l.zoomRect).call(b).on("dblclick.zoom",null),a.main.selectAll("."+l.eventRect).call(b).on("dblclick.zoom",null)},i.redrawForZoom=function(){var a=this,b=a.d3,c=a.config,d=a.zoom,e=a.x;if(c.zoom_enabled&&0!==a.filterTargetsToShow(a.data.targets).length){if("mousemove"===b.event.sourceEvent.type&&d.altDomain)return e.domain(d.altDomain),void d.scale(e).updateScaleExtent();a.isCategorized()&&e.orgDomain()[0]===a.orgXDomain[0]&&e.domain([a.orgXDomain[0]-1e-10,e.orgDomain()[1]]),a.redraw({withTransition:!1,withY:c.zoom_rescale,withSubchart:!1,withEventRect:!1,withDimension:!1}),"mousemove"===b.event.sourceEvent.type&&(a.cancelClick=!0),c.zoom_onzoom.call(a.api,e.orgDomain())}},i.generateColor=function(){var a=this,b=a.config,c=a.d3,d=b.data_colors,e=v(b.color_pattern)?b.color_pattern:c.scale.category10().range(),f=b.data_color,g=[];return function(a){var b,c=a.id||a.data&&a.data.id||a;return d[c]instanceof Function?b=d[c](a):d[c]?b=d[c]:(g.indexOf(c)<0&&g.push(c),b=e[g.indexOf(c)%e.length],d[c]=b),f instanceof Function?f(b,a):b}},i.generateLevelColor=function(){var a=this,b=a.config,c=b.color_pattern,d=b.color_threshold,e="value"===d.unit,f=d.values&&d.values.length?d.values:[],g=d.max||100;return v(b.color_threshold)?function(a){var b,d,h=c[c.length-1];for(b=0;b<f.length;b++)if(d=e?a:100*a/g,d<f[b]){h=c[b];break}return h}:null},i.getYFormat=function(a){var b=this,c=a&&!b.hasType("gauge")?b.defaultArcValueFormat:b.yFormat,d=a&&!b.hasType("gauge")?b.defaultArcValueFormat:b.y2Format;return function(a,e,f){var g="y2"===b.axis.getId(f)?d:c;return g.call(b,a,e)}},i.yFormat=function(a){var b=this,c=b.config,d=c.axis_y_tick_format?c.axis_y_tick_format:b.defaultValueFormat;return d(a)},i.y2Format=function(a){var b=this,c=b.config,d=c.axis_y2_tick_format?c.axis_y2_tick_format:b.defaultValueFormat;return d(a)},i.defaultValueFormat=function(a){return m(a)?+a:""},i.defaultArcValueFormat=function(a,b){return(100*b).toFixed(1)+"%"},i.dataLabelFormat=function(a){var b,c=this,d=c.config.data_labels,e=function(a){return m(a)?+a:""};return b="function"==typeof d.format?d.format:"object"==typeof d.format?d.format[a]?d.format[a]===!0?e:d.format[a]:function(){return""}:e},i.hasCaches=function(a){for(var b=0;b<a.length;b++)if(!(a[b]in this.cache))return!1;return!0},i.addCache=function(a,b){this.cache[a]=this.cloneTarget(b)},i.getCaches=function(a){var b,c=[];for(b=0;b<a.length;b++)a[b]in this.cache&&c.push(this.cloneTarget(this.cache[a[b]]));return c};var l=i.CLASS={target:"c3-target",chart:"c3-chart",chartLine:"c3-chart-line",chartLines:"c3-chart-lines",chartBar:"c3-chart-bar",chartBars:"c3-chart-bars",chartText:"c3-chart-text",chartTexts:"c3-chart-texts",chartArc:"c3-chart-arc",chartArcs:"c3-chart-arcs",chartArcsTitle:"c3-chart-arcs-title",chartArcsBackground:"c3-chart-arcs-background",chartArcsGaugeUnit:"c3-chart-arcs-gauge-unit",chartArcsGaugeMax:"c3-chart-arcs-gauge-max",chartArcsGaugeMin:"c3-chart-arcs-gauge-min",selectedCircle:"c3-selected-circle",selectedCircles:"c3-selected-circles",eventRect:"c3-event-rect",eventRects:"c3-event-rects",eventRectsSingle:"c3-event-rects-single",eventRectsMultiple:"c3-event-rects-multiple",zoomRect:"c3-zoom-rect",brush:"c3-brush",focused:"c3-focused",defocused:"c3-defocused",region:"c3-region",regions:"c3-regions",title:"c3-title",tooltipContainer:"c3-tooltip-container",tooltip:"c3-tooltip",tooltipName:"c3-tooltip-name",shape:"c3-shape",shapes:"c3-shapes",line:"c3-line",lines:"c3-lines",bar:"c3-bar",bars:"c3-bars",circle:"c3-circle",circles:"c3-circles",arc:"c3-arc",arcs:"c3-arcs",area:"c3-area",areas:"c3-areas",empty:"c3-empty",text:"c3-text",texts:"c3-texts",gaugeValue:"c3-gauge-value",grid:"c3-grid",gridLines:"c3-grid-lines",xgrid:"c3-xgrid",xgrids:"c3-xgrids",xgridLine:"c3-xgrid-line",xgridLines:"c3-xgrid-lines",xgridFocus:"c3-xgrid-focus",ygrid:"c3-ygrid",ygrids:"c3-ygrids",ygridLine:"c3-ygrid-line",ygridLines:"c3-ygrid-lines",axis:"c3-axis",axisX:"c3-axis-x",axisXLabel:"c3-axis-x-label",axisY:"c3-axis-y",axisYLabel:"c3-axis-y-label",axisY2:"c3-axis-y2",axisY2Label:"c3-axis-y2-label",legendBackground:"c3-legend-background",legendItem:"c3-legend-item",legendItemEvent:"c3-legend-item-event",legendItemTile:"c3-legend-item-tile",legendItemHidden:"c3-legend-item-hidden",legendItemFocused:"c3-legend-item-focused",dragarea:"c3-dragarea",EXPANDED:"_expanded_",SELECTED:"_selected_",INCLUDED:"_included_"};i.generateClass=function(a,b){return" 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l.chartBar+this.classTarget(a.id)},i.classChartArc=function(a){return l.chartArc+this.classTarget(a.data.id)},i.getTargetSelectorSuffix=function(a){return a||0===a?("-"+a).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g,"-"):""},i.selectorTarget=function(a,b){return(b||"")+"."+l.target+this.getTargetSelectorSuffix(a)},i.selectorTargets=function(a,b){var c=this;return a=a||[],a.length?a.map(function(a){return c.selectorTarget(a,b)}):null},i.selectorLegend=function(a){return"."+l.legendItem+this.getTargetSelectorSuffix(a)},i.selectorLegends=function(a){var b=this;return a&&a.length?a.map(function(a){return b.selectorLegend(a)}):null};var m=i.isValue=function(a){return a||0===a},n=i.isFunction=function(a){return"function"==typeof a},o=i.isString=function(a){return"string"==typeof a},p=i.isUndefined=function(a){return"undefined"==typeof a},q=i.isDefined=function(a){return"undefined"!=typeof a},r=i.ceil10=function(a){return 10*Math.ceil(a/10)},s=i.asHalfPixel=function(a){return 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b,c=this.internal;a=c.mapToTargetIds(a),b=c.svg.selectAll(c.selectorTargets(a.filter(c.isTargetToShow,c))),b.classed(l.focused,!1).classed(l.defocused,!0),c.hasArcType()&&c.unexpandArc(a),c.toggleFocusLegend(a,!1),c.focusedTargetIds=c.focusedTargetIds.filter(function(b){return a.indexOf(b)<0}),c.defocusedTargetIds=a},h.revert=function(a){var b,c=this.internal;a=c.mapToTargetIds(a),b=c.svg.selectAll(c.selectorTargets(a)),b.classed(l.focused,!1).classed(l.defocused,!1),c.hasArcType()&&c.unexpandArc(a),c.config.legend_show&&(c.showLegend(a.filter(c.isLegendToShow.bind(c))),c.legend.selectAll(c.selectorLegends(a)).filter(function(){return c.d3.select(this).classed(l.legendItemFocused)}).classed(l.legendItemFocused,!1)),c.focusedTargetIds=[],c.defocusedTargetIds=[]},h.show=function(a,b){var c,d=this.internal;a=d.mapToTargetIds(a),b=b||{},d.removeHiddenTargetIds(a),c=d.svg.selectAll(d.selectorTargets(a)),c.transition().style("opacity",1,"important").call(d.endall,function(){c.style("opacity",null).style("opacity",1)}),b.withLegend&&d.showLegend(a),d.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},h.hide=function(a,b){var c,d=this.internal;a=d.mapToTargetIds(a),b=b||{},d.addHiddenTargetIds(a),c=d.svg.selectAll(d.selectorTargets(a)),c.transition().style("opacity",0,"important").call(d.endall,function(){c.style("opacity",null).style("opacity",0)}),b.withLegend&&d.hideLegend(a),d.redraw({
+withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},h.toggle=function(a,b){var c=this,d=this.internal;d.mapToTargetIds(a).forEach(function(a){d.isTargetToShow(a)?c.hide(a,b):c.show(a,b)})},h.zoom=function(a){var b=this.internal;return a&&(b.isTimeSeries()&&(a=a.map(function(a){return b.parseDate(a)})),b.brush.extent(a),b.redraw({withUpdateXDomain:!0,withY:b.config.zoom_rescale}),b.config.zoom_onzoom.call(this,b.x.orgDomain())),b.brush.extent()},h.zoom.enable=function(a){var b=this.internal;b.config.zoom_enabled=a,b.updateAndRedraw()},h.unzoom=function(){var a=this.internal;a.brush.clear().update(),a.redraw({withUpdateXDomain:!0})},h.zoom.max=function(a){var b=this.internal,c=b.config,d=b.d3;return 0===a||a?void(c.zoom_x_max=d.max([b.orgXDomain[1],a])):c.zoom_x_max},h.zoom.min=function(a){var b=this.internal,c=b.config,d=b.d3;return 0===a||a?void(c.zoom_x_min=d.min([b.orgXDomain[0],a])):c.zoom_x_min},h.zoom.range=function(a){return arguments.length?(q(a.max)&&this.domain.max(a.max),void(q(a.min)&&this.domain.min(a.min))):{max:this.domain.max(),min:this.domain.min()}},h.load=function(a){var b=this.internal,c=b.config;return a.xs&&b.addXs(a.xs),"classes"in a&&Object.keys(a.classes).forEach(function(b){c.data_classes[b]=a.classes[b]}),"categories"in a&&b.isCategorized()&&(c.axis_x_categories=a.categories),"axes"in a&&Object.keys(a.axes).forEach(function(b){c.data_axes[b]=a.axes[b]}),"colors"in a&&Object.keys(a.colors).forEach(function(b){c.data_colors[b]=a.colors[b]}),"cacheIds"in a&&b.hasCaches(a.cacheIds)?void b.load(b.getCaches(a.cacheIds),a.done):void("unload"in a?b.unload(b.mapToTargetIds("boolean"==typeof a.unload&&a.unload?null:a.unload),function(){b.loadFromArgs(a)}):b.loadFromArgs(a))},h.unload=function(a){var b=this.internal;a=a||{},a instanceof Array?a={ids:a}:"string"==typeof a&&(a={ids:[a]}),b.unload(b.mapToTargetIds(a.ids),function(){b.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0}),a.done&&a.done()})},h.flow=function(a){var b,c,d,e,f,g,h,i,j=this.internal,k=[],l=j.getMaxDataCount(),n=0,o=0;if(a.json)c=j.convertJsonToData(a.json,a.keys);else if(a.rows)c=j.convertRowsToData(a.rows);else{if(!a.columns)return;c=j.convertColumnsToData(a.columns)}b=j.convertDataToTargets(c,!0),j.data.targets.forEach(function(a){var c,d,e=!1;for(c=0;c<b.length;c++)if(a.id===b[c].id){for(e=!0,a.values[a.values.length-1]&&(o=a.values[a.values.length-1].index+1),n=b[c].values.length,d=0;n>d;d++)b[c].values[d].index=o+d,j.isTimeSeries()||(b[c].values[d].x=o+d);a.values=a.values.concat(b[c].values),b.splice(c,1);break}e||k.push(a.id)}),j.data.targets.forEach(function(a){var b,c;for(b=0;b<k.length;b++)if(a.id===k[b])for(o=a.values[a.values.length-1].index+1,c=0;n>c;c++)a.values.push({id:a.id,index:o+c,x:j.isTimeSeries()?j.getOtherTargetX(o+c):o+c,value:null})}),j.data.targets.length&&b.forEach(function(a){var b,c=[];for(b=j.data.targets[0].values[0].index;o>b;b++)c.push({id:a.id,index:b,x:j.isTimeSeries()?j.getOtherTargetX(b):b,value:null});a.values.forEach(function(a){a.index+=o,j.isTimeSeries()||(a.x+=o)}),a.values=c.concat(a.values)}),j.data.targets=j.data.targets.concat(b),d=j.getMaxDataCount(),f=j.data.targets[0],g=f.values[0],q(a.to)?(n=0,i=j.isTimeSeries()?j.parseDate(a.to):a.to,f.values.forEach(function(a){a.x<i&&n++})):q(a.length)&&(n=a.length),l?1===l&&j.isTimeSeries()&&(h=(f.values[f.values.length-1].x-g.x)/2,e=[new Date(+g.x-h),new Date(+g.x+h)],j.updateXDomain(null,!0,!0,!1,e)):(h=j.isTimeSeries()?f.values.length>1?f.values[f.values.length-1].x-g.x:g.x-j.getXDomain(j.data.targets)[0]:1,e=[g.x-h,g.x],j.updateXDomain(null,!0,!0,!1,e)),j.updateTargets(j.data.targets),j.redraw({flow:{index:g.index,length:n,duration:m(a.duration)?a.duration:j.config.transition_duration,done:a.done,orgDataCount:l},withLegend:!0,withTransition:l>1,withTrimXDomain:!1,withUpdateXAxis:!0})},i.generateFlow=function(a){var b=this,c=b.config,d=b.d3;return function(){var 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diff --git a/web/lib/dygraph-combined.js b/web/lib/dygraph-combined.js
new file mode 100755
index 00000000..047e9177
--- /dev/null
+++ b/web/lib/dygraph-combined.js
@@ -0,0 +1,6 @@
+/*! @license Copyright 2014 Dan Vanderkam (danvdk@gmail.com) MIT-licensed (http://opensource.org/licenses/MIT) */
+!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var e;e="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,e.Dygraph=t()}}(function(){return function t(e,a,i){function n(o,s){if(!a[o]){if(!e[o]){var l="function"==typeof require&&require;if(!s&&l)return l(o,!0);if(r)return r(o,!0);var h=new Error("Cannot find module '"+o+"'");throw h.code="MODULE_NOT_FOUND",h}var u=a[o]={exports:{}};e[o][0].call(u.exports,function(t){var a=e[o][1][t];return n(a?a:t)},u,u.exports,t,e,a,i)}return a[o].exports}for(var r="function"==typeof require&&require,o=0;o<i.length;o++)n(i[o]);return n}({1:[function(t,e,a){"use strict";function i(t){return t&&t.__esModule?t:{"default":t}}Object.defineProperty(a,"__esModule",{value:!0});var n=t("./bars"),r=i(n),o=function(){};o.prototype=new r["default"],o.prototype.extractSeries=function(t,e,a){for(var 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r=t("./dygraph-tickers"),o=n(r),s=t("./dygraph-interaction-model"),l=i(s),h=t("./dygraph-canvas"),u=i(h),d=t("./dygraph-utils"),c=n(d),p={highlightCircleSize:3,highlightSeriesOpts:null,highlightSeriesBackgroundAlpha:.5,highlightSeriesBackgroundColor:"rgb(255, 255, 255)",labelsDivWidth:250,labelsDivStyles:{},labelsSeparateLines:!1,labelsShowZeroValues:!0,labelsKMB:!1,labelsKMG2:!1,showLabelsOnHighlight:!0,digitsAfterDecimal:2,maxNumberWidth:6,sigFigs:null,strokeWidth:1,strokeBorderWidth:0,strokeBorderColor:"white",axisTickSize:3,axisLabelFontSize:14,rightGap:5,showRoller:!1,xValueParser:void 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f=n.extremeRange,v=e.toDomYCoord(f[0],i)+g,_=e.toDomYCoord(f[1],i)-g,y=e.toDataYCoord(v,i),x=e.toDataYCoord(_,i);p[i]=[y,x]}a.boundedValues=p}for(a.is2DPan=!1,a.axes=[],i=0;i<e.axes_.length;i++){n=e.axes_[i];var m={},b=e.yAxisRange(i),w=e.attributes_.getForAxis("logscale",i);w?(m.initialTopValue=r.log10(b[1]),m.dragValueRange=r.log10(b[1])-r.log10(b[0])):(m.initialTopValue=b[1],m.dragValueRange=b[1]-b[0]),m.unitsPerPixel=m.dragValueRange/(e.plotter_.area.h-1),a.axes.push(m),(n.valueWindow||n.valueRange)&&(a.is2DPan=!0)}},s.movePan=function(t,e,a){a.dragEndX=r.dragGetX_(t,a),a.dragEndY=r.dragGetY_(t,a);var i=a.initialLeftmostDate-(a.dragEndX-a.dragStartX)*a.xUnitsPerPixel;a.boundedDates&&(i=Math.max(i,a.boundedDates[0]));var n=i+a.dateRange;if(a.boundedDates&&n>a.boundedDates[1]&&(i-=n-a.boundedDates[1],n=i+a.dateRange),e.getOptionForAxis("logscale","x")?e.dateWindow_=[Math.pow(r.LOG_SCALE,i),Math.pow(r.LOG_SCALE,n)]:e.dateWindow_=[i,n],a.is2DPan)for(var 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i=t.getFunctionOption("clickCallback"),n=t.getFunctionOption("pointClickCallback"),r=null,o=-1,s=Number.MAX_VALUE,l=0;l<t.selPoints_.length;l++){var h=t.selPoints_[l],u=Math.pow(h.canvasx-a.dragEndX,2)+Math.pow(h.canvasy-a.dragEndY,2);!isNaN(u)&&(-1==o||s>u)&&(s=u,o=l)}var d=t.getNumericOption("highlightCircleSize")+2;if(d*d>=s&&(r=t.selPoints_[o]),r){var c={cancelable:!0,point:r,canvasx:a.dragEndX,canvasy:a.dragEndY},p=t.cascadeEvents_("pointClick",c);if(p)return;n&&n.call(t,e,r)}var c={cancelable:!0,xval:t.lastx_,pts:t.selPoints_,canvasx:a.dragEndX,canvasy:a.dragEndY};t.cascadeEvents_("click",c)||i&&i.call(t,e,t.lastx_,t.selPoints_)},s.endZoom=function(t,e,a){e.clearZoomRect_(),a.isZooming=!1,s.maybeTreatMouseOpAsClick(t,e,a);var i=e.getArea();if(a.regionWidth>=10&&a.dragDirection==r.HORIZONTAL){var n=Math.min(a.dragStartX,a.dragEndX),o=Math.max(a.dragStartX,a.dragEndX);n=Math.max(n,i.x),o=Math.min(o,i.x+i.w),o>n&&e.doZoomX_(n,o),a.cancelNextDblclick=!0}else 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i={canvasx:a.dragEndX,canvasy:a.dragEndY};e.cascadeEvents_("dblclick",i)||t.altKey||t.shiftKey||e.resetZoom()}},s.nonInteractiveModel_={mousedown:function(t,e,a){a.initializeMouseDown(t,e,a)},mouseup:s.maybeTreatMouseOpAsClick},s.dragIsPanInteractionModel={mousedown:function(t,e,a){a.initializeMouseDown(t,e,a),s.startPan(t,e,a)},mousemove:function(t,e,a){a.isPanning&&s.movePan(t,e,a)},mouseup:function(t,e,a){a.isPanning&&s.endPan(t,e,a)}},a["default"]=s,e.exports=a["default"]},{"./dygraph-utils":16}],12:[function(t,e,a){"use strict";function i(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var a in t)Object.prototype.hasOwnProperty.call(t,a)&&(e[a]=t[a]);return e["default"]=t,e}Object.defineProperty(a,"__esModule",{value:!0});var n=t("./dygraph-utils"),r=i(n),o=function(t){this.dygraph_=t,this.points=[],this.setNames=[],this.annotations=[],this.yAxes_=null,this.xTicks_=null,this.yTicks_=null};o.prototype.addDataset=function(t,e){this.points.push(e),this.setNames.push(t)},o.prototype.getPlotArea=function(){return this.area_},o.prototype.computePlotArea=function(){var t={x:0,y:0};t.w=this.dygraph_.width_-t.x-this.dygraph_.getOption("rightGap"),t.h=this.dygraph_.height_;var e={chart_div:this.dygraph_.graphDiv,reserveSpaceLeft:function(e){var a={x:t.x,y:t.y,w:e,h:t.h};return t.x+=e,t.w-=e,a},reserveSpaceRight:function(e){var a={x:t.x+t.w-e,y:t.y,w:e,h:t.h};return t.w-=e,a},reserveSpaceTop:function(e){var a={x:t.x,y:t.y,w:t.w,h:e};return t.y+=e,t.h-=e,a},reserveSpaceBottom:function(e){var a={x:t.x,y:t.y+t.h-e,w:t.w,h:e};return t.h-=e,a},chartRect:function(){return{x:t.x,y:t.y,w:t.w,h:t.h}}};this.dygraph_.cascadeEvents_("layout",e),this.area_=t},o.prototype.setAnnotations=function(t){this.annotations=[];for(var e=this.dygraph_.getOption("xValueParser")||function(t){return t},a=0;a<t.length;a++){var i={};if(!t[a].xval&&void 0===t[a].x)return void console.error("Annotations must have an 'x' property");if(t[a].icon&&(!t[a].hasOwnProperty("width")||!t[a].hasOwnProperty("height")))return void console.error("Must set width and height when setting annotation.icon property");r.update(i,t[a]),i.xval||(i.xval=e(i.x)),this.annotations.push(i)}},o.prototype.setXTicks=function(t){this.xTicks_=t},o.prototype.setYAxes=function(t){this.yAxes_=t},o.prototype.evaluate=function(){this._xAxis={},this._evaluateLimits(),this._evaluateLineCharts(),this._evaluateLineTicks(),this._evaluateAnnotations()},o.prototype._evaluateLimits=function(){var t=this.dygraph_.xAxisRange();this._xAxis.minval=t[0],this._xAxis.maxval=t[1];var e=t[1]-t[0];this._xAxis.scale=0!==e?1/e:1,this.dygraph_.getOptionForAxis("logscale","x")&&(this._xAxis.xlogrange=r.log10(this._xAxis.maxval)-r.log10(this._xAxis.minval),this._xAxis.xlogscale=0!==this._xAxis.xlogrange?1/this._xAxis.xlogrange:1);for(var a=0;a<this.yAxes_.length;a++){var i=this.yAxes_[a];i.minyval=i.computedValueRange[0],i.maxyval=i.computedValueRange[1],i.yrange=i.maxyval-i.minyval,i.yscale=0!==i.yrange?1/i.yrange:1,this.dygraph_.getOption("logscale")&&(i.ylogrange=r.log10(i.maxyval)-r.log10(i.minyval),i.ylogscale=0!==i.ylogrange?1/i.ylogrange:1,(!isFinite(i.ylogrange)||isNaN(i.ylogrange))&&console.error("axis "+a+" of graph at "+i.g+" can't be displayed in log scale for range ["+i.minyval+" - "+i.maxyval+"]"))}},o.calcXNormal_=function(t,e,a){return a?(r.log10(t)-r.log10(e.minval))*e.xlogscale:(t-e.minval)*e.scale},o.calcYNormal_=function(t,e,a){if(a){var i=1-(r.log10(e)-r.log10(t.minyval))*t.ylogscale;return isFinite(i)?i:NaN}return 1-(e-t.minyval)*t.yscale},o.prototype._evaluateLineCharts=function(){for(var t=this.dygraph_.getOption("stackedGraph"),e=this.dygraph_.getOptionForAxis("logscale","x"),a=0;a<this.points.length;a++){for(var i=this.points[a],n=this.setNames[a],r=this.dygraph_.getOption("connectSeparatedPoints",n),s=this.dygraph_.axisPropertiesForSeries(n),l=this.dygraph_.attributes_.getForSeries("logscale",n),h=0;h<i.length;h++){var u=i[h];u.x=o.calcXNormal_(u.xval,this._xAxis,e);var d=u.yval;t&&(u.y_stacked=o.calcYNormal_(s,u.yval_stacked,l),null===d||isNaN(d)||(d=u.yval_stacked)),null===d&&(d=NaN,r||(u.yval=NaN)),u.y=o.calcYNormal_(s,d,l)}this.dygraph_.dataHandler_.onLineEvaluated(i,s,l)}},o.prototype._evaluateLineTicks=function(){var t,e,a,i;for(this.xticks=[],t=0;t<this.xTicks_.length;t++)e=this.xTicks_[t],a=e.label,i=this.dygraph_.toPercentXCoord(e.v),i>=0&&1>i&&this.xticks.push([i,a]);for(this.yticks=[],t=0;t<this.yAxes_.length;t++)for(var n=this.yAxes_[t],r=0;r<n.ticks.length;r++)e=n.ticks[r],a=e.label,i=this.dygraph_.toPercentYCoord(e.v,t),i>0&&1>=i&&this.yticks.push([t,i,a])},o.prototype._evaluateAnnotations=function(){var t,e={};for(t=0;t<this.annotations.length;t++){var a=this.annotations[t];e[a.xval+","+a.series]=a}if(this.annotated_points=[],this.annotations&&this.annotations.length)for(var i=0;i<this.points.length;i++){var n=this.points[i];for(t=0;t<n.length;t++){var r=n[t],o=r.xval+","+r.name;o in e&&(r.annotation=e[o],this.annotated_points.push(r))}}},o.prototype.removeAllDatasets=function(){delete this.points,delete this.setNames,delete this.setPointsLengths,delete this.setPointsOffsets,
+this.points=[],this.setNames=[],this.setPointsLengths=[],this.setPointsOffsets=[]},a["default"]=o,e.exports=a["default"]},{"./dygraph-utils":16}],13:[function(t,e,a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});var i=null;a["default"]=i,e.exports=a["default"]},{}],14:[function(t,e,a){"use strict";function i(t){return t&&t.__esModule?t:{"default":t}}function n(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var a in t)Object.prototype.hasOwnProperty.call(t,a)&&(e[a]=t[a]);return e["default"]=t,e}Object.defineProperty(a,"__esModule",{value:!0});var r=t("./dygraph-utils"),o=n(r),s=t("./dygraph-default-attrs"),l=i(s),h=t("./dygraph-options-reference"),u=(i(h),function(t){this.dygraph_=t,this.yAxes_=[],this.xAxis_={},this.series_={},this.global_=this.dygraph_.attrs_,this.user_=this.dygraph_.user_attrs_||{},this.labels_=[],this.highlightSeries_=this.get("highlightSeriesOpts")||{},this.reparseSeries()});u.AXIS_STRING_MAPPINGS_={y:0,Y:0,y1:0,Y1:0,y2:1,Y2:1},u.axisToIndex_=function(t){if("string"==typeof t){if(u.AXIS_STRING_MAPPINGS_.hasOwnProperty(t))return u.AXIS_STRING_MAPPINGS_[t];throw"Unknown axis : "+t}if("number"==typeof t){if(0===t||1===t)return t;throw"Dygraphs only supports two y-axes, indexed from 0-1."}if(t)throw"Unknown axis : "+t;return 0},u.prototype.reparseSeries=function(){var t=this.get("labels");if(t){this.labels_=t.slice(1),this.yAxes_=[{series:[],options:{}}],this.xAxis_={options:{}},this.series_={};for(var e=this.user_.series||{},a=0;a<this.labels_.length;a++){var i=this.labels_[a],n=e[i]||{},r=u.axisToIndex_(n.axis);this.series_[i]={idx:a,yAxis:r,options:n},this.yAxes_[r]?this.yAxes_[r].series.push(i):this.yAxes_[r]={series:[i],options:{}}}var s=this.user_.axes||{};o.update(this.yAxes_[0].options,s.y||{}),this.yAxes_.length>1&&o.update(this.yAxes_[1].options,s.y2||{}),o.update(this.xAxis_.options,s.x||{})}},u.prototype.get=function(t){var e=this.getGlobalUser_(t);return null!==e?e:this.getGlobalDefault_(t)},u.prototype.getGlobalUser_=function(t){return this.user_.hasOwnProperty(t)?this.user_[t]:null},u.prototype.getGlobalDefault_=function(t){return this.global_.hasOwnProperty(t)?this.global_[t]:l["default"].hasOwnProperty(t)?l["default"][t]:null},u.prototype.getForAxis=function(t,e){var a,i;if("number"==typeof e)a=e,i=0===a?"y":"y2";else{if("y1"==e&&(e="y"),"y"==e)a=0;else if("y2"==e)a=1;else{if("x"!=e)throw"Unknown axis "+e;a=-1}i=e}var n=-1==a?this.xAxis_:this.yAxes_[a];if(n){var r=n.options;if(r.hasOwnProperty(t))return r[t]}if("x"!==e||"logscale"!==t){var o=this.getGlobalUser_(t);if(null!==o)return o}var s=l["default"].axes[i];return s.hasOwnProperty(t)?s[t]:this.getGlobalDefault_(t)},u.prototype.getForSeries=function(t,e){if(e===this.dygraph_.getHighlightSeries()&&this.highlightSeries_.hasOwnProperty(t))return this.highlightSeries_[t];if(!this.series_.hasOwnProperty(e))throw"Unknown series: "+e;var a=this.series_[e],i=a.options;return i.hasOwnProperty(t)?i[t]:this.getForAxis(t,a.yAxis)},u.prototype.numAxes=function(){return this.yAxes_.length},u.prototype.axisForSeries=function(t){return this.series_[t].yAxis},u.prototype.axisOptions=function(t){return this.yAxes_[t].options},u.prototype.seriesForAxis=function(t){return this.yAxes_[t].series},u.prototype.seriesNames=function(){return this.labels_};a["default"]=u,e.exports=a["default"]},{"./dygraph-default-attrs":9,"./dygraph-options-reference":13,"./dygraph-utils":16}],15:[function(t,e,a){"use strict";function i(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var a in t)Object.prototype.hasOwnProperty.call(t,a)&&(e[a]=t[a]);return e["default"]=t,e}Object.defineProperty(a,"__esModule",{value:!0});var n=t("./dygraph-utils"),r=i(n),o=function(t,e,a,i,n,r){var o=function(t){return"logscale"===t?!1:i(t)};return s(t,e,a,o,n,r)};a.numericLinearTicks=o;var s=function(t,e,a,i,n,o){var s,l,h,u,d=i("pixelsPerLabel"),p=[];if(o)for(s=0;s<o.length;s++)p.push({v:o[s]});else{if(i("logscale")){u=Math.floor(a/d);var g=r.binarySearch(t,c,1),f=r.binarySearch(e,c,-1);-1==g&&(g=0),-1==f&&(f=c.length-1);var v=null;if(f-g>=u/4){for(var _=f;_>=g;_--){var y=c[_],x=Math.log(y/t)/Math.log(e/t)*a,m={v:y};null===v?v={tickValue:y,pixel_coord:x}:Math.abs(x-v.pixel_coord)>=d?v={tickValue:y,pixel_coord:x}:m.label="",p.push(m)}p.reverse()}}if(0===p.length){var b,w,A=i("labelsKMG2");A?(b=[1,2,4,8,16,32,64,128,256],w=16):(b=[1,2,5,10,20,50,100],w=10);var O,D,S,T,P=Math.ceil(a/d),L=Math.abs(e-t)/P,E=Math.floor(Math.log(L)/Math.log(w)),C=Math.pow(w,E);for(l=0;l<b.length&&(O=C*b[l],D=Math.floor(t/O)*O,S=Math.ceil(e/O)*O,u=Math.abs(S-D)/O,T=a/u,!(T>d));l++);for(D>S&&(O*=-1),s=0;u>=s;s++)h=D+s*O,p.push({v:h})}}var M=i("axisLabelFormatter");for(s=0;s<p.length;s++)void 0===p[s].label&&(p[s].label=M.call(n,p[s].v,0,i,n));return p};a.numericTicks=s;var l=function(t,e,a,i,n,r){var o=p(t,e,a,i);return o>=0?f(t,e,o,i,n):[]};a.dateTicker=l;var h={SECONDLY:0,TWO_SECONDLY:1,FIVE_SECONDLY:2,TEN_SECONDLY:3,THIRTY_SECONDLY:4,MINUTELY:5,TWO_MINUTELY:6,FIVE_MINUTELY:7,TEN_MINUTELY:8,THIRTY_MINUTELY:9,HOURLY:10,TWO_HOURLY:11,SIX_HOURLY:12,DAILY:13,TWO_DAILY:14,WEEKLY:15,MONTHLY:16,QUARTERLY:17,BIANNUAL:18,ANNUAL:19,DECADAL:20,CENTENNIAL:21,NUM_GRANULARITIES:22};a.Granularity=h;var 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this.rawData_?this.rawData_[0]?this.rawData_[0].length:this.attr_("labels").length:0},j.prototype.numRows=function(){return this.rawData_?this.rawData_.length:0},j.prototype.getValue=function(t,e){return 0>t||t>this.rawData_.length?null:0>e||e>this.rawData_[t].length?null:this.rawData_[t][e]},j.prototype.createInterface_=function(){var t=this.maindiv_;this.graphDiv=document.createElement("div"),this.graphDiv.style.textAlign="left",this.graphDiv.style.position="relative",t.appendChild(this.graphDiv),this.canvas_=v.createCanvas(),this.canvas_.style.position="absolute",this.hidden_=this.createPlotKitCanvas_(this.canvas_),this.canvas_ctx_=v.getContext(this.canvas_),this.hidden_ctx_=v.getContext(this.hidden_),this.resizeElements_(),this.graphDiv.appendChild(this.hidden_),this.graphDiv.appendChild(this.canvas_),this.mouseEventElement_=this.createMouseEventElement_(),this.layout_=new o["default"](this);var e=this;this.mouseMoveHandler_=function(t){e.mouseMove_(t)},this.mouseOutHandler_=function(t){var a=t.target||t.fromElement,i=t.relatedTarget||t.toElement;v.isNodeContainedBy(a,e.graphDiv)&&!v.isNodeContainedBy(i,e.graphDiv)&&e.mouseOut_(t)},this.addAndTrackEvent(window,"mouseout",this.mouseOutHandler_),this.addAndTrackEvent(this.mouseEventElement_,"mousemove",this.mouseMoveHandler_),this.resizeHandler_||(this.resizeHandler_=function(t){e.resize()},this.addAndTrackEvent(window,"resize",this.resizeHandler_))},j.prototype.resizeElements_=function(){this.graphDiv.style.width=this.width_+"px",this.graphDiv.style.height=this.height_+"px";var t=v.getContextPixelRatio(this.canvas_ctx_);this.canvas_.width=this.width_*t,this.canvas_.height=this.height_*t,this.canvas_.style.width=this.width_+"px",this.canvas_.style.height=this.height_+"px",1!==t&&this.canvas_ctx_.scale(t,t);var e=v.getContextPixelRatio(this.hidden_ctx_);this.hidden_.width=this.width_*e,this.hidden_.height=this.height_*e,this.hidden_.style.width=this.width_+"px",this.hidden_.style.height=this.height_+"px",1!==e&&this.hidden_ctx_.scale(e,e)},j.prototype.destroy=function(){this.canvas_ctx_.restore(),this.hidden_ctx_.restore();for(var t=this.plugins_.length-1;t>=0;t--){var e=this.plugins_.pop();e.plugin.destroy&&e.plugin.destroy()}var a=function n(t){for(;t.hasChildNodes();)n(t.firstChild),t.removeChild(t.firstChild)};this.removeTrackedEvents_(),v.removeEvent(window,"mouseout",this.mouseOutHandler_),v.removeEvent(this.mouseEventElement_,"mousemove",this.mouseMoveHandler_),v.removeEvent(window,"resize",this.resizeHandler_),this.resizeHandler_=null,a(this.maindiv_);var i=function(t){for(var e in t)"object"==typeof t[e]&&(t[e]=null)};i(this.layout_),i(this.plotter_),i(this)},j.prototype.createPlotKitCanvas_=function(t){var e=v.createCanvas();return e.style.position="absolute",e.style.top=t.style.top,e.style.left=t.style.left,e.width=this.width_,e.height=this.height_,e.style.width=this.width_+"px",e.style.height=this.height_+"px",e},j.prototype.createMouseEventElement_=function(){return this.canvas_},j.prototype.setColors_=function(){var t=this.getLabels(),e=t.length-1;this.colors_=[],this.colorsMap_={};for(var a=this.getNumericOption("colorSaturation")||1,i=this.getNumericOption("colorValue")||.5,n=Math.ceil(e/2),r=this.getOption("colors"),o=this.visibility(),s=0;e>s;s++)if(o[s]){var l=t[s+1],h=this.attributes_.getForSeries("color",l);if(!h)if(r)h=r[s%r.length];else{var u=s%2?n+(s+1)/2:Math.ceil((s+1)/2),d=1*u/(1+e);h=v.hsvToRGB(d,a,i)}this.colors_.push(h),this.colorsMap_[l]=h}},j.prototype.getColors=function(){return this.colors_},j.prototype.getPropertiesForSeries=function(t){for(var e=-1,a=this.getLabels(),i=1;i<a.length;i++)if(a[i]==t){e=i;break}return-1==e?null:{name:t,column:e,visible:this.visibility()[e-1],color:this.colorsMap_[t],axis:1+this.attributes_.axisForSeries(t)}},j.prototype.createRollInterface_=function(){this.roller_||(this.roller_=document.createElement("input"),this.roller_.type="text",this.roller_.style.display="none",this.graphDiv.appendChild(this.roller_));var t=this.getBooleanOption("showRoller")?"block":"none",e=this.plotter_.area,a={position:"absolute",zIndex:10,top:e.y+e.h-25+"px",left:e.x+1+"px",display:t};this.roller_.size="2",this.roller_.value=this.rollPeriod_;for(var i in a)a.hasOwnProperty(i)&&(this.roller_.style[i]=a[i]);var n=this;this.roller_.onchange=function(){n.adjustRoll(n.roller_.value)}},j.prototype.createDragInterface_=function(){var t={isZooming:!1,isPanning:!1,is2DPan:!1,dragStartX:null,dragStartY:null,dragEndX:null,dragEndY:null,dragDirection:null,prevEndX:null,prevEndY:null,prevDragDirection:null,cancelNextDblclick:!1,initialLeftmostDate:null,xUnitsPerPixel:null,dateRange:null,px:0,py:0,boundedDates:null,boundedValues:null,tarp:new b["default"],initializeMouseDown:function(t,e,a){t.preventDefault?t.preventDefault():(t.returnValue=!1,t.cancelBubble=!0);var i=v.findPos(e.canvas_);a.px=i.x,a.py=i.y,a.dragStartX=v.dragGetX_(t,a),a.dragStartY=v.dragGetY_(t,a),a.cancelNextDblclick=!1,a.tarp.cover()},destroy:function(){var t=this;if((t.isZooming||t.isPanning)&&(t.isZooming=!1,t.dragStartX=null,t.dragStartY=null),t.isPanning){t.isPanning=!1,t.draggingDate=null,t.dateRange=null;for(var e=0;e<a.axes_.length;e++)delete a.axes_[e].draggingValue,delete a.axes_[e].dragValueRange}t.tarp.uncover()}},e=this.getOption("interactionModel"),a=this,i=function(e){return function(i){e(i,a,t)}};for(var n in e)e.hasOwnProperty(n)&&this.addAndTrackEvent(this.mouseEventElement_,n,i(e[n]));if(!e.willDestroyContextMyself){var r=function(e){t.destroy()};this.addAndTrackEvent(document,"mouseup",r)}},j.prototype.drawZoomRect_=function(t,e,a,i,n,r,o,s){var l=this.canvas_ctx_;r==v.HORIZONTAL?l.clearRect(Math.min(e,o),this.layout_.getPlotArea().y,Math.abs(e-o),this.layout_.getPlotArea().h):r==v.VERTICAL&&l.clearRect(this.layout_.getPlotArea().x,Math.min(i,s),this.layout_.getPlotArea().w,Math.abs(i-s)),
+t==v.HORIZONTAL?a&&e&&(l.fillStyle="rgba(128,128,128,0.33)",l.fillRect(Math.min(e,a),this.layout_.getPlotArea().y,Math.abs(a-e),this.layout_.getPlotArea().h)):t==v.VERTICAL&&n&&i&&(l.fillStyle="rgba(128,128,128,0.33)",l.fillRect(this.layout_.getPlotArea().x,Math.min(i,n),this.layout_.getPlotArea().w,Math.abs(n-i)))},j.prototype.clearZoomRect_=function(){this.currentZoomRectArgs_=null,this.canvas_ctx_.clearRect(0,0,this.width_,this.height_)},j.prototype.doZoomX_=function(t,e){this.currentZoomRectArgs_=null;var a=this.toDataXCoord(t),i=this.toDataXCoord(e);this.doZoomXDates_(a,i)},j.prototype.doZoomXDates_=function(t,e){var a=this.xAxisRange(),i=[t,e];this.zoomed_x_=!0;var n=this;this.doAnimatedZoom(a,i,null,null,function(){n.getFunctionOption("zoomCallback")&&n.getFunctionOption("zoomCallback").call(n,t,e,n.yAxisRanges())})},j.prototype.doZoomY_=function(t,e){this.currentZoomRectArgs_=null;for(var a=this.yAxisRanges(),i=[],n=0;n<this.axes_.length;n++){var r=this.toDataYCoord(t,n),o=this.toDataYCoord(e,n);i.push([o,r])}this.zoomed_y_=!0;var s=this;this.doAnimatedZoom(null,null,a,i,function(){if(s.getFunctionOption("zoomCallback")){var t=s.xAxisRange();s.getFunctionOption("zoomCallback").call(s,t[0],t[1],s.yAxisRanges())}})},j.zoomAnimationFunction=function(t,e){var a=1.5;return(1-Math.pow(a,-t))/(1-Math.pow(a,-e))},j.prototype.resetZoom=function(){var t=!1,e=!1,a=!1;null!==this.dateWindow_&&(t=!0,e=!0);for(var i=0;i<this.axes_.length;i++)"undefined"!=typeof this.axes_[i].valueWindow&&null!==this.axes_[i].valueWindow&&(t=!0,a=!0);if(this.clearSelection(),t){this.zoomed_x_=!1,this.zoomed_y_=!1;var n=this.xAxisExtremes(),r=n[0],o=n[1];if(!this.getBooleanOption("animatedZooms")){for(this.dateWindow_=null,i=0;i<this.axes_.length;i++)null!==this.axes_[i].valueWindow&&delete this.axes_[i].valueWindow;return this.drawGraph_(),void(this.getFunctionOption("zoomCallback")&&this.getFunctionOption("zoomCallback").call(this,r,o,this.yAxisRanges()))}var s=null,l=null,h=null,u=null;if(e&&(s=this.xAxisRange(),l=[r,o]),a){h=this.yAxisRanges();var d=this.gatherDatasets_(this.rolledSeries_,null),n=d.extremes;for(this.computeYAxisRanges_(n),u=[],i=0;i<this.axes_.length;i++){var c=this.axes_[i];u.push(null!==c.valueRange&&void 0!==c.valueRange?c.valueRange:c.extremeRange)}}var p=this;this.doAnimatedZoom(s,l,h,u,function(){p.dateWindow_=null;for(var t=0;t<p.axes_.length;t++)null!==p.axes_[t].valueWindow&&delete p.axes_[t].valueWindow;p.getFunctionOption("zoomCallback")&&p.getFunctionOption("zoomCallback").call(p,r,o,p.yAxisRanges())})}},j.prototype.doAnimatedZoom=function(t,e,a,i,n){var r,o,s=this.getBooleanOption("animatedZooms")?j.ANIMATION_STEPS:1,l=[],h=[];if(null!==t&&null!==e)for(r=1;s>=r;r++)o=j.zoomAnimationFunction(r,s),l[r-1]=[t[0]*(1-o)+o*e[0],t[1]*(1-o)+o*e[1]];if(null!==a&&null!==i)for(r=1;s>=r;r++){o=j.zoomAnimationFunction(r,s);for(var u=[],d=0;d<this.axes_.length;d++)u.push([a[d][0]*(1-o)+o*i[d][0],a[d][1]*(1-o)+o*i[d][1]]);h[r-1]=u}var c=this;v.repeatAndCleanup(function(t){if(h.length)for(var e=0;e<c.axes_.length;e++){var a=h[t][e];c.axes_[e].valueWindow=[a[0],a[1]]}l.length&&(c.dateWindow_=l[t]),c.drawGraph_()},s,j.ANIMATION_DURATION/s,n)},j.prototype.getArea=function(){return this.plotter_.area},j.prototype.eventToDomCoords=function(t){if(t.offsetX&&t.offsetY)return[t.offsetX,t.offsetY];var e=v.findPos(this.mouseEventElement_),a=v.pageX(t)-e.x,i=v.pageY(t)-e.y;return[a,i]},j.prototype.findClosestRow=function(t){for(var e=1/0,a=-1,i=this.layout_.points,n=0;n<i.length;n++)for(var r=i[n],o=r.length,s=0;o>s;s++){var l=r[s];if(v.isValidPoint(l,!0)){var h=Math.abs(l.canvasx-t);e>h&&(e=h,a=l.idx)}}return a},j.prototype.findClosestPoint=function(t,e){for(var a,i,n,r,o,s,l,h=1/0,u=this.layout_.points.length-1;u>=0;--u)for(var d=this.layout_.points[u],c=0;c<d.length;++c)r=d[c],v.isValidPoint(r)&&(i=r.canvasx-t,n=r.canvasy-e,a=i*i+n*n,h>a&&(h=a,o=r,s=u,l=r.idx));var p=this.layout_.setNames[s];return{row:l,seriesName:p,point:o}},j.prototype.findStackedPoint=function(t,e){for(var a,i,n=this.findClosestRow(t),r=0;r<this.layout_.points.length;++r){var o=this.getLeftBoundary_(r),s=n-o,l=this.layout_.points[r];if(!(s>=l.length)){var h=l[s];if(v.isValidPoint(h)){var u=h.canvasy;if(t>h.canvasx&&s+1<l.length){var d=l[s+1];if(v.isValidPoint(d)){var c=d.canvasx-h.canvasx;if(c>0){var p=(t-h.canvasx)/c;u+=p*(d.canvasy-h.canvasy)}}}else if(t<h.canvasx&&s>0){var g=l[s-1];if(v.isValidPoint(g)){var c=h.canvasx-g.canvasx;if(c>0){var p=(h.canvasx-t)/c;u+=p*(g.canvasy-h.canvasy)}}}(0===r||e>u)&&(a=h,i=r)}}}var f=this.layout_.setNames[i];return{row:n,seriesName:f,point:a}},j.prototype.mouseMove_=function(t){var e=this.layout_.points;if(void 0!==e&&null!==e){var a=this.eventToDomCoords(t),i=a[0],n=a[1],r=this.getOption("highlightSeriesOpts"),o=!1;if(r&&!this.isSeriesLocked()){var s;s=this.getBooleanOption("stackedGraph")?this.findStackedPoint(i,n):this.findClosestPoint(i,n),o=this.setSelection(s.row,s.seriesName)}else{var l=this.findClosestRow(i);o=this.setSelection(l)}var h=this.getFunctionOption("highlightCallback");h&&o&&h.call(this,t,this.lastx_,this.selPoints_,this.lastRow_,this.highlightSet_)}},j.prototype.getLeftBoundary_=function(t){if(this.boundaryIds_[t])return this.boundaryIds_[t][0];for(var e=0;e<this.boundaryIds_.length;e++)if(void 0!==this.boundaryIds_[e])return this.boundaryIds_[e][0];return 0},j.prototype.animateSelection_=function(t){var e=10,a=30;void 0===this.fadeLevel&&(this.fadeLevel=0),void 0===this.animateId&&(this.animateId=0);var i=this.fadeLevel,n=0>t?i:e-i;if(0>=n)return void(this.fadeLevel&&this.updateSelection_(1));var r=++this.animateId,o=this,s=function(){0!==o.fadeLevel&&0>t&&(o.fadeLevel=0,o.clearSelection())};v.repeatAndCleanup(function(a){o.animateId==r&&(o.fadeLevel+=t,0===o.fadeLevel?o.clearSelection():o.updateSelection_(o.fadeLevel/e))},n,a,s)},j.prototype.updateSelection_=function(t){this.cascadeEvents_("select",{selectedRow:this.lastRow_,selectedX:this.lastx_,selectedPoints:this.selPoints_});var e,a=this.canvas_ctx_;if(this.getOption("highlightSeriesOpts")){a.clearRect(0,0,this.width_,this.height_);var i=1-this.getNumericOption("highlightSeriesBackgroundAlpha"),n=v.toRGB_(this.getOption("highlightSeriesBackgroundColor"));if(i){var r=!0;if(r){if(void 0===t)return void this.animateSelection_(1);i*=t}a.fillStyle="rgba("+n.r+","+n.g+","+n.b+","+i+")",a.fillRect(0,0,this.width_,this.height_)}this.plotter_._renderLineChart(this.highlightSet_,a)}else if(this.previousVerticalX_>=0){var o=0,s=this.attr_("labels");for(e=1;e<s.length;e++){var l=this.getNumericOption("highlightCircleSize",s[e]);l>o&&(o=l)}var h=this.previousVerticalX_;a.clearRect(h-o-1,0,2*o+2,this.height_)}if(this.selPoints_.length>0){var u=this.selPoints_[0].canvasx;for(a.save(),e=0;e<this.selPoints_.length;e++){var d=this.selPoints_[e];if(!isNaN(d.canvasy)){var c=this.getNumericOption("highlightCircleSize",d.name),p=this.getFunctionOption("drawHighlightPointCallback",d.name),g=this.plotter_.colors[d.name];p||(p=v.Circles.DEFAULT),a.lineWidth=this.getNumericOption("strokeWidth",d.name),a.strokeStyle=g,a.fillStyle=g,p.call(this,this,d.name,a,u,d.canvasy,g,c,d.idx)}}a.restore(),this.previousVerticalX_=u}},j.prototype.setSelection=function(t,e,a){this.selPoints_=[];var i=!1;if(t!==!1&&t>=0){t!=this.lastRow_&&(i=!0),this.lastRow_=t;for(var n=0;n<this.layout_.points.length;++n){var r=this.layout_.points[n],o=t-this.getLeftBoundary_(n);if(o<r.length&&r[o].idx==t){var s=r[o];null!==s.yval&&this.selPoints_.push(s)}else for(var l=0;l<r.length;++l){var s=r[l];if(s.idx==t){null!==s.yval&&this.selPoints_.push(s);break}}}}else this.lastRow_>=0&&(i=!0),this.lastRow_=-1;return this.selPoints_.length?this.lastx_=this.selPoints_[0].xval:this.lastx_=-1,void 0!==e&&(this.highlightSet_!==e&&(i=!0),this.highlightSet_=e),void 0!==a&&(this.lockedSet_=a),i&&this.updateSelection_(void 0),i},j.prototype.mouseOut_=function(t){this.getFunctionOption("unhighlightCallback")&&this.getFunctionOption("unhighlightCallback").call(this,t),this.getBooleanOption("hideOverlayOnMouseOut")&&!this.lockedSet_&&this.clearSelection()},j.prototype.clearSelection=function(){return this.cascadeEvents_("deselect",{}),this.lockedSet_=!1,this.fadeLevel?void this.animateSelection_(-1):(this.canvas_ctx_.clearRect(0,0,this.width_,this.height_),this.fadeLevel=0,this.selPoints_=[],this.lastx_=-1,this.lastRow_=-1,void(this.highlightSet_=null))},j.prototype.getSelection=function(){if(!this.selPoints_||this.selPoints_.length<1)return-1;for(var t=0;t<this.layout_.points.length;t++)for(var e=this.layout_.points[t],a=0;a<e.length;a++)if(e[a].x==this.selPoints_[0].x)return e[a].idx;return-1},j.prototype.getHighlightSeries=function(){return this.highlightSet_},j.prototype.isSeriesLocked=function(){return this.lockedSet_},j.prototype.loadedEvent_=function(t){this.rawData_=this.parseCSV_(t),this.cascadeDataDidUpdateEvent_(),this.predraw_()},j.prototype.addXTicks_=function(){var t;t=this.dateWindow_?[this.dateWindow_[0],this.dateWindow_[1]]:this.xAxisExtremes();var e=this.optionsViewForAxis_("x"),a=e("ticker")(t[0],t[1],this.plotter_.area.w,e,this);this.layout_.setXTicks(a)},j.prototype.getHandlerClass_=function(){var t;return t=this.attr_("dataHandler")?this.attr_("dataHandler"):this.fractions_?this.getBooleanOption("errorBars")?C["default"]:L["default"]:this.getBooleanOption("customBars")?T["default"]:this.getBooleanOption("errorBars")?D["default"]:A["default"]},j.prototype.predraw_=function(){var t=new Date;this.dataHandler_=new(this.getHandlerClass_()),this.layout_.computePlotArea(),this.computeYAxes_(),this.is_initial_draw_||(this.canvas_ctx_.restore(),this.hidden_ctx_.restore()),this.canvas_ctx_.save(),this.hidden_ctx_.save(),this.plotter_=new l["default"](this,this.hidden_,this.hidden_ctx_,this.layout_),this.createRollInterface_(),this.cascadeEvents_("predraw"),this.rolledSeries_=[null];for(var e=1;e<this.numColumns();e++){var a=this.dataHandler_.extractSeries(this.rawData_,e,this.attributes_);this.rollPeriod_>1&&(a=this.dataHandler_.rollingAverage(a,this.rollPeriod_,this.attributes_)),this.rolledSeries_.push(a)}this.drawGraph_();var i=new Date;this.drawingTimeMs_=i-t},j.PointType=void 0,j.stackPoints_=function(t,e,a,i){for(var n=null,r=null,o=null,s=-1,l=function(e){if(!(s>=e))for(var a=e;a<t.length;++a)if(o=null,!isNaN(t[a].yval)&&null!==t[a].yval){s=a,o=t[a];break}},h=0;h<t.length;++h){var u=t[h],d=u.xval;void 0===e[d]&&(e[d]=0);var c=u.yval;isNaN(c)||null===c?"none"==i?c=0:(l(h),c=r&&o&&"none"!=i?r.yval+(o.yval-r.yval)*((d-r.xval)/(o.xval-r.xval)):r&&"all"==i?r.yval:o&&"all"==i?o.yval:0):r=u;var p=e[d];n!=d&&(p+=c,e[d]=p),n=d,u.yval_stacked=p,p>a[1]&&(a[1]=p),p<a[0]&&(a[0]=p)}},j.prototype.gatherDatasets_=function(t,e){var a,i,n,r,o,s,l=[],h=[],u=[],d={},c=t.length-1;for(a=c;a>=1;a--)if(this.visibility()[a-1]){if(e){s=t[a];var p=e[0],g=e[1];for(n=null,r=null,i=0;i<s.length;i++)s[i][0]>=p&&null===n&&(n=i),s[i][0]<=g&&(r=i);null===n&&(n=0);for(var f=n,v=!0;v&&f>0;)f--,v=null===s[f][1];null===r&&(r=s.length-1);var _=r;for(v=!0;v&&_<s.length-1;)_++,v=null===s[_][1];f!==n&&(n=f),_!==r&&(r=_),l[a-1]=[n,r],s=s.slice(n,r+1)}else s=t[a],l[a-1]=[0,s.length-1];var y=this.attr_("labels")[a],x=this.dataHandler_.getExtremeYValues(s,e,this.getBooleanOption("stepPlot",y)),m=this.dataHandler_.seriesToPoints(s,y,l[a-1][0]);this.getBooleanOption("stackedGraph")&&(o=this.attributes_.axisForSeries(y),void 0===u[o]&&(u[o]=[]),j.stackPoints_(m,u[o],x,this.getBooleanOption("stackedGraphNaNFill"))),d[y]=x,h[a]=m}return{points:h,extremes:d,boundaryIds:l}},j.prototype.drawGraph_=function(){var t=new Date,e=this.is_initial_draw_;this.is_initial_draw_=!1,this.layout_.removeAllDatasets(),this.setColors_(),this.attrs_.pointSize=.5*this.getNumericOption("highlightCircleSize");var a=this.gatherDatasets_(this.rolledSeries_,this.dateWindow_),i=a.points,n=a.extremes;this.boundaryIds_=a.boundaryIds,this.setIndexByName_={};var r=this.attr_("labels");r.length>0&&(this.setIndexByName_[r[0]]=0);for(var o=0,s=1;s<i.length;s++)this.setIndexByName_[r[s]]=s,this.visibility()[s-1]&&(this.layout_.addDataset(r[s],i[s]),this.datasetIndex_[s]=o++);this.computeYAxisRanges_(n),this.layout_.setYAxes(this.axes_),this.addXTicks_();var l=this.zoomed_x_;if(this.zoomed_x_=l,this.layout_.evaluate(),this.renderGraph_(e),this.getStringOption("timingName")){var h=new Date;console.log(this.getStringOption("timingName")+" - drawGraph: "+(h-t)+"ms")}},j.prototype.renderGraph_=function(t){this.cascadeEvents_("clearChart"),this.plotter_.clear(),this.getFunctionOption("underlayCallback")&&this.getFunctionOption("underlayCallback").call(this,this.hidden_ctx_,this.layout_.getPlotArea(),this,this);var e={canvas:this.hidden_,drawingContext:this.hidden_ctx_};if(this.cascadeEvents_("willDrawChart",e),this.plotter_.render(),this.cascadeEvents_("didDrawChart",e),this.lastRow_=-1,this.canvas_.getContext("2d").clearRect(0,0,this.width_,this.height_),null!==this.getFunctionOption("drawCallback")&&this.getFunctionOption("drawCallback").call(this,this,t),t)for(this.readyFired_=!0;this.readyFns_.length>0;){var a=this.readyFns_.pop();a(this)}},j.prototype.computeYAxes_=function(){var t,e,a,i,n;if(void 0!==this.axes_&&this.user_attrs_.hasOwnProperty("valueRange")===!1)for(t=[],a=0;a<this.axes_.length;a++)t.push(this.axes_[a].valueWindow);for(this.axes_=[],e=0;e<this.attributes_.numAxes();e++)i={g:this},v.update(i,this.attributes_.axisOptions(e)),this.axes_[e]=i;if(n=this.attr_("valueRange"),n&&(this.axes_[0].valueRange=n),void 0!==t){var r=Math.min(t.length,this.axes_.length);for(a=0;r>a;a++)this.axes_[a].valueWindow=t[a]}for(e=0;e<this.axes_.length;e++)if(0===e)i=this.optionsViewForAxis_("y"+(e?"2":"")),n=i("valueRange"),n&&(this.axes_[e].valueRange=n);else{var o=this.user_attrs_.axes;o&&o.y2&&(n=o.y2.valueRange,n&&(this.axes_[e].valueRange=n))}},j.prototype.numAxes=function(){return this.attributes_.numAxes()},j.prototype.axisPropertiesForSeries=function(t){return this.axes_[this.attributes_.axisForSeries(t)]},j.prototype.computeYAxisRanges_=function(t){for(var e,a,i,n,r,o=function(t){return isNaN(parseFloat(t))},s=this.attributes_.numAxes(),l=0;s>l;l++){var h=this.axes_[l],u=this.attributes_.getForAxis("logscale",l),d=this.attributes_.getForAxis("includeZero",l),c=this.attributes_.getForAxis("independentTicks",l);if(i=this.attributes_.seriesForAxis(l),e=!0,n=.1,null!==this.getNumericOption("yRangePad")&&(e=!1,n=this.getNumericOption("yRangePad")/this.plotter_.area.h),0===i.length)h.extremeRange=[0,1];else{for(var p,g,f=1/0,v=-(1/0),_=0;_<i.length;_++)t.hasOwnProperty(i[_])&&(p=t[i[_]][0],null!==p&&(f=Math.min(p,f)),g=t[i[_]][1],null!==g&&(v=Math.max(g,v)));d&&!u&&(f>0&&(f=0),0>v&&(v=0)),f==1/0&&(f=0),v==-(1/0)&&(v=1),a=v-f,0===a&&(0!==v?a=Math.abs(v):(v=1,a=1));var y,x;if(u)if(e)y=v+n*a,x=f;else{var m=Math.exp(Math.log(a)*n);y=v*m,x=f/m}else y=v+n*a,x=f-n*a,e&&!this.getBooleanOption("avoidMinZero")&&(0>x&&f>=0&&(x=0),y>0&&0>=v&&(y=0));h.extremeRange=[x,y]}if(h.valueWindow)h.computedValueRange=[h.valueWindow[0],h.valueWindow[1]];else if(h.valueRange){var b=o(h.valueRange[0])?h.extremeRange[0]:h.valueRange[0],w=o(h.valueRange[1])?h.extremeRange[1]:h.valueRange[1];if(!e)if(h.logscale){var m=Math.exp(Math.log(a)*n);b*=m,w/=m}else a=w-b,b-=a*n,w+=a*n;h.computedValueRange=[b,w]}else h.computedValueRange=h.extremeRange;if(c){h.independentTicks=c;var A=this.optionsViewForAxis_("y"+(l?"2":"")),O=A("ticker");h.ticks=O(h.computedValueRange[0],h.computedValueRange[1],this.plotter_.area.h,A,this),r||(r=h)}}if(void 0===r)throw'Configuration Error: At least one axis has to have the "independentTicks" option activated.';for(var l=0;s>l;l++){var h=this.axes_[l];if(!h.independentTicks){for(var A=this.optionsViewForAxis_("y"+(l?"2":"")),O=A("ticker"),D=r.ticks,S=r.computedValueRange[1]-r.computedValueRange[0],T=h.computedValueRange[1]-h.computedValueRange[0],P=[],L=0;L<D.length;L++){var E=(D[L].v-r.computedValueRange[0])/S,C=h.computedValueRange[0]+E*T;P.push(C)}h.ticks=O(h.computedValueRange[0],h.computedValueRange[1],this.plotter_.area.h,A,this,P)}}},j.prototype.detectTypeFromString_=function(t){var e=!1,a=t.indexOf("-");a>0&&"e"!=t[a-1]&&"E"!=t[a-1]||t.indexOf("/")>=0||isNaN(parseFloat(t))?e=!0:8==t.length&&t>"19700101"&&"20371231">t&&(e=!0),this.setXAxisOptions_(e)},j.prototype.setXAxisOptions_=function(t){t?(this.attrs_.xValueParser=v.dateParser,this.attrs_.axes.x.valueFormatter=v.dateValueFormatter,this.attrs_.axes.x.ticker=g.dateTicker,this.attrs_.axes.x.axisLabelFormatter=v.dateAxisLabelFormatter):(this.attrs_.xValueParser=function(t){return parseFloat(t)},this.attrs_.axes.x.valueFormatter=function(t){return t},this.attrs_.axes.x.ticker=g.numericTicks,this.attrs_.axes.x.axisLabelFormatter=this.attrs_.axes.x.valueFormatter)},j.prototype.parseCSV_=function(t){var e,a,i=[],n=v.detectLineDelimiter(t),r=t.split(n||"\n"),o=this.getStringOption("delimiter");-1==r[0].indexOf(o)&&r[0].indexOf("	")>=0&&(o="	");var s=0;"labels"in this.user_attrs_||(s=1,this.attrs_.labels=r[0].split(o),this.attributes_.reparseSeries());for(var l,h=0,u=!1,d=this.attr_("labels").length,c=!1,p=s;p<r.length;p++){var g=r[p];if(h=p,0!==g.length&&"#"!=g[0]){var f=g.split(o);if(!(f.length<2)){var _=[];if(u||(this.detectTypeFromString_(f[0]),l=this.getFunctionOption("xValueParser"),u=!0),_[0]=l(f[0],this),this.fractions_)for(a=1;a<f.length;a++)e=f[a].split("/"),2!=e.length?(console.error('Expected fractional "num/den" values in CSV data but found a value \''+f[a]+"' on line "+(1+p)+" ('"+g+"') which is not of this form."),_[a]=[0,0]):_[a]=[v.parseFloat_(e[0],p,g),v.parseFloat_(e[1],p,g)];else if(this.getBooleanOption("errorBars"))for(f.length%2!=1&&console.error("Expected alternating (value, stdev.) pairs in CSV data but line "+(1+p)+" has an odd number of values ("+(f.length-1)+"): '"+g+"'"),a=1;a<f.length;a+=2)_[(a+1)/2]=[v.parseFloat_(f[a],p,g),v.parseFloat_(f[a+1],p,g)];else if(this.getBooleanOption("customBars"))for(a=1;a<f.length;a++){var y=f[a];/^ *$/.test(y)?_[a]=[null,null,null]:(e=y.split(";"),3==e.length?_[a]=[v.parseFloat_(e[0],p,g),v.parseFloat_(e[1],p,g),v.parseFloat_(e[2],p,g)]:console.warn('When using customBars, values must be either blank or "low;center;high" tuples (got "'+y+'" on line '+(1+p)))}else for(a=1;a<f.length;a++)_[a]=v.parseFloat_(f[a],p,g);if(i.length>0&&_[0]<i[i.length-1][0]&&(c=!0),_.length!=d&&console.error("Number of columns in line "+p+" ("+_.length+") does not agree with number of labels ("+d+") "+g),0===p&&this.attr_("labels")){var x=!0;for(a=0;x&&a<_.length;a++)_[a]&&(x=!1);if(x){console.warn("The dygraphs 'labels' option is set, but the first row of CSV data ('"+g+"') appears to also contain labels. Will drop the CSV labels and use the option labels.");continue}}i.push(_)}}}return c&&(console.warn("CSV is out of order; order it correctly to speed loading."),i.sort(function(t,e){return t[0]-e[0]})),i},j.prototype.parseArray_=function(t){if(0===t.length)return console.error("Can't plot empty data set"),null;if(0===t[0].length)return console.error("Data set cannot contain an empty row"),null;var e;if(null===this.attr_("labels")){for(console.warn("Using default labels. Set labels explicitly via 'labels' in the options parameter"),this.attrs_.labels=["X"],e=1;e<t[0].length;e++)this.attrs_.labels.push("Y"+e);this.attributes_.reparseSeries()}else{var a=this.attr_("labels");if(a.length!=t[0].length)return console.error("Mismatch between number of labels ("+a+") and number of columns in array ("+t[0].length+")"),null}if(v.isDateLike(t[0][0])){this.attrs_.axes.x.valueFormatter=v.dateValueFormatter,this.attrs_.axes.x.ticker=g.dateTicker,this.attrs_.axes.x.axisLabelFormatter=v.dateAxisLabelFormatter;var i=v.clone(t);for(e=0;e<t.length;e++){if(0===i[e].length)return console.error("Row "+(1+e)+" of data is empty"),null;if(null===i[e][0]||"function"!=typeof i[e][0].getTime||isNaN(i[e][0].getTime()))return console.error("x value in row "+(1+e)+" is not a Date"),null;i[e][0]=i[e][0].getTime()}return i}return this.attrs_.axes.x.valueFormatter=function(t){return t},this.attrs_.axes.x.ticker=g.numericTicks,this.attrs_.axes.x.axisLabelFormatter=v.numberAxisLabelFormatter,t},j.prototype.parseDataTable_=function(t){var e=function(t){var e=String.fromCharCode(65+t%26);for(t=Math.floor(t/26);t>0;)e=String.fromCharCode(65+(t-1)%26)+e.toLowerCase(),t=Math.floor((t-1)/26);return e},a=t.getNumberOfColumns(),i=t.getNumberOfRows(),n=t.getColumnType(0);if("date"==n||"datetime"==n)this.attrs_.xValueParser=v.dateParser,this.attrs_.axes.x.valueFormatter=v.dateValueFormatter,this.attrs_.axes.x.ticker=g.dateTicker,this.attrs_.axes.x.axisLabelFormatter=v.dateAxisLabelFormatter;else{if("number"!=n)throw new Error("only 'date', 'datetime' and 'number' types are supported for column 1 of DataTable input (Got '"+n+"')");this.attrs_.xValueParser=function(t){return parseFloat(t)},this.attrs_.axes.x.valueFormatter=function(t){return t},this.attrs_.axes.x.ticker=g.numericTicks,this.attrs_.axes.x.axisLabelFormatter=this.attrs_.axes.x.valueFormatter}var r,o,s=[],l={},h=!1;for(r=1;a>r;r++){var u=t.getColumnType(r);if("number"==u)s.push(r);else{if("string"!=u||!this.getBooleanOption("displayAnnotations"))throw new Error("Only 'number' is supported as a dependent type with Gviz. 'string' is only supported if displayAnnotations is true");var d=s[s.length-1];l.hasOwnProperty(d)?l[d].push(r):l[d]=[r],h=!0}}var c=[t.getColumnLabel(0)];for(r=0;r<s.length;r++)c.push(t.getColumnLabel(s[r])),this.getBooleanOption("errorBars")&&(r+=1);this.attrs_.labels=c,a=c.length;var p=[],f=!1,_=[];for(r=0;i>r;r++){var y=[];if("undefined"!=typeof t.getValue(r,0)&&null!==t.getValue(r,0)){if("date"==n||"datetime"==n?y.push(t.getValue(r,0).getTime()):y.push(t.getValue(r,0)),this.getBooleanOption("errorBars"))for(o=0;a-1>o;o++)y.push([t.getValue(r,1+2*o),t.getValue(r,2+2*o)]);else{for(o=0;o<s.length;o++){var x=s[o];if(y.push(t.getValue(r,x)),h&&l.hasOwnProperty(x)&&null!==t.getValue(r,l[x][0])){var m={};m.series=t.getColumnLabel(x),m.xval=y[0],m.shortText=e(_.length),m.text="";for(var b=0;b<l[x].length;b++)b&&(m.text+="\n"),m.text+=t.getValue(r,l[x][b]);_.push(m)}}for(o=0;o<y.length;o++)isFinite(y[o])||(y[o]=null)}p.length>0&&y[0]<p[p.length-1][0]&&(f=!0),p.push(y)}else console.warn("Ignoring row "+r+" of DataTable because of undefined or null first column.")}f&&(console.warn("DataTable is out of order; order it correctly to speed loading."),p.sort(function(t,e){return t[0]-e[0]})),this.rawData_=p,_.length>0&&this.setAnnotations(_,!0),this.attributes_.reparseSeries()},j.prototype.cascadeDataDidUpdateEvent_=function(){this.cascadeEvents_("dataDidUpdate",{})},j.prototype.start_=function(){var t=this.file_;if("function"==typeof t&&(t=t()),v.isArrayLike(t))this.rawData_=this.parseArray_(t),this.cascadeDataDidUpdateEvent_(),this.predraw_();else if("object"==typeof t&&"function"==typeof t.getColumnRange)this.parseDataTable_(t),this.cascadeDataDidUpdateEvent_(),this.predraw_();else if("string"==typeof t){var e=v.detectLineDelimiter(t);if(e)this.loadedEvent_(t);else{var a;a=window.XMLHttpRequest?new XMLHttpRequest:new ActiveXObject("Microsoft.XMLHTTP");var i=this;a.onreadystatechange=function(){4==a.readyState&&(200===a.status||0===a.status)&&i.loadedEvent_(a.responseText)},a.open("GET",t,!0),a.send(null)}}else console.error("Unknown data format: "+typeof t)},j.prototype.updateOptions=function(t,e){"undefined"==typeof e&&(e=!1);var a=t.file,i=j.copyUserAttrs_(t);"rollPeriod"in i&&(this.rollPeriod_=i.rollPeriod),"dateWindow"in i&&(this.dateWindow_=i.dateWindow,"isZoomedIgnoreProgrammaticZoom"in i||(this.zoomed_x_=null!==i.dateWindow)),"valueRange"in i&&!("isZoomedIgnoreProgrammaticZoom"in i)&&(this.zoomed_y_=null!==i.valueRange);var n=v.isPixelChangingOptionList(this.attr_("labels"),i);v.updateDeep(this.user_attrs_,i),this.attributes_.reparseSeries(),a?(this.cascadeEvents_("dataWillUpdate",{}),this.file_=a,e||this.start_()):e||(n?this.predraw_():this.renderGraph_(!1))},j.copyUserAttrs_=function(t){var e={};for(var a in t)t.hasOwnProperty(a)&&"file"!=a&&t.hasOwnProperty(a)&&(e[a]=t[a]);return e},j.prototype.resize=function(t,e){if(!this.resize_lock){this.resize_lock=!0,null===t!=(null===e)&&(console.warn("Dygraph.resize() should be called with zero parameters or two non-NULL parameters. Pretending it was zero."),t=e=null);var a=this.width_,i=this.height_;t?(this.maindiv_.style.width=t+"px",this.maindiv_.style.height=e+"px",this.width_=t,this.height_=e):(this.width_=this.maindiv_.clientWidth,this.height_=this.maindiv_.clientHeight),(a!=this.width_||i!=this.height_)&&(this.resizeElements_(),this.predraw_()),this.resize_lock=!1}},j.prototype.adjustRoll=function(t){this.rollPeriod_=t,this.predraw_()},j.prototype.visibility=function(){for(this.getOption("visibility")||(this.attrs_.visibility=[]);this.getOption("visibility").length<this.numColumns()-1;)this.attrs_.visibility.push(!0);return this.getOption("visibility")},j.prototype.setVisibility=function(t,e){var a=this.visibility(),i=!1;if(Array.isArray(t)||(null!==t&&"object"==typeof t?i=!0:t=[t]),i)for(var n in t)t.hasOwnProperty(n)&&(0>n||n>=a.length?console.warn("Invalid series number in setVisibility: "+n):a[n]=t[n]);else for(var n=0;n<t.length;n++)"boolean"==typeof t[n]?n>=a.length?console.warn("Invalid series number in setVisibility: "+n):a[n]=t[n]:t[n]<0||t[n]>=a.length?console.warn("Invalid series number in setVisibility: "+t[n]):a[t[n]]=e;this.predraw_()},j.prototype.size=function(){return{width:this.width_,height:this.height_}},j.prototype.setAnnotations=function(t,e){return j.addAnnotationRule(),this.annotations_=t,this.layout_?(this.layout_.setAnnotations(this.annotations_),void(e||this.predraw_())):void console.warn("Tried to setAnnotations before dygraph was ready. Try setting them in a ready() block. See dygraphs.com/tests/annotation.html")},j.prototype.annotations=function(){return this.annotations_},j.prototype.getLabels=function(){var t=this.attr_("labels");return t?t.slice():null},j.prototype.indexFromSetName=function(t){return this.setIndexByName_[t]},j.prototype.getRowForX=function(t){for(var e=0,a=this.numRows()-1;a>=e;){var i=a+e>>1,n=this.getValue(i,0);if(t>n)e=i+1;else if(n>t)a=i-1;else{if(e==i)return i;a=i}}return null},j.prototype.ready=function(t){this.is_initial_draw_?this.readyFns_.push(t):t.call(this,this)},j.addAnnotationRule=function(){if(!j.addedAnnotationCSS){var t="border: 1px solid black; background-color: white; text-align: center;",e=document.createElement("style");e.type="text/css",document.getElementsByTagName("head")[0].appendChild(e);for(var a=0;a<document.styleSheets.length;a++)if(!document.styleSheets[a].disabled){var i=document.styleSheets[a];try{if(i.insertRule){var n=i.cssRules?i.cssRules.length:0;i.insertRule(".dygraphDefaultAnnotation { "+t+" }",n)}else i.addRule&&i.addRule(".dygraphDefaultAnnotation",t);return void(j.addedAnnotationCSS=!0)}catch(r){}}console.warn("Unable to add default annotation CSS rule; display may be off.")}},j.prototype.addAndTrackEvent=function(t,e,a){v.addEvent(t,e,a),this.registeredEvents_.push({elem:t,type:e,fn:a})},j.prototype.removeTrackedEvents_=function(){if(this.registeredEvents_)for(var t=0;t<this.registeredEvents_.length;t++){var e=this.registeredEvents_[t];v.removeEvent(e.elem,e.type,e.fn)}this.registeredEvents_=[]},j.PLUGINS=[Z["default"],I["default"],B["default"],Y["default"],F["default"],V["default"]],j.GVizChart=U["default"],j.DASHED_LINE=v.DASHED_LINE,j.DOT_DASH_LINE=v.DOT_DASH_LINE,j.dateAxisLabelFormatter=v.dateAxisLabelFormatter,j.toRGB_=v.toRGB_,j.findPos=v.findPos,j.pageX=v.pageX,j.pageY=v.pageY,j.dateString_=v.dateString_,j.defaultInteractionModel=c["default"].defaultModel,j.nonInteractiveModel=j.nonInteractiveModel_=c["default"].nonInteractiveModel_,j.Circles=v.Circles,j.Plugins={Legend:Z["default"],Axes:I["default"],Annotations:F["default"],ChartLabels:Y["default"],Grid:V["default"],RangeSelector:B["default"]},j.DataHandlers={DefaultHandler:A["default"],BarsHandler:k["default"],CustomBarsHandler:T["default"],DefaultFractionHandler:L["default"],ErrorBarsHandler:D["default"],FractionsBarsHandler:C["default"]},j.startPan=c["default"].startPan,j.startZoom=c["default"].startZoom,j.movePan=c["default"].movePan,j.moveZoom=c["default"].moveZoom,j.endPan=c["default"].endPan,j.endZoom=c["default"].endZoom,j.numericLinearTicks=g.numericLinearTicks,j.numericTicks=g.numericTicks,j.dateTicker=g.dateTicker,j.Granularity=g.Granularity,j.getDateAxis=g.getDateAxis,j.floatFormat=v.floatFormat,a["default"]=j,e.exports=a["default"]},{"./datahandler/bars":4,"./datahandler/bars-custom":1,"./datahandler/bars-error":2,"./datahandler/bars-fractions":3,"./datahandler/default":7,"./datahandler/default-fractions":6,"./dygraph-canvas":8,"./dygraph-default-attrs":9,"./dygraph-gviz":10,"./dygraph-interaction-model":11,"./dygraph-layout":12,"./dygraph-options":14,"./dygraph-options-reference":13,"./dygraph-tickers":15,"./dygraph-utils":16,"./iframe-tarp":18,"./plugins/annotations":19,"./plugins/axes":20,"./plugins/chart-labels":21,"./plugins/grid":22,"./plugins/legend":23,"./plugins/range-selector":24}],18:[function(t,e,a){"use strict";function i(){this.tarps=[]}Object.defineProperty(a,"__esModule",{value:!0}),i.prototype.cover=function(){for(var t=document.getElementsByTagName("iframe"),e=0;e<t.length;e++){var a=t[e],i=utils.findPos(a),n=i.x,r=i.y,o=a.offsetWidth,s=a.offsetHeight,l=document.createElement("div");l.style.position="absolute",l.style.left=n+"px",l.style.top=r+"px",l.style.width=o+"px",l.style.height=s+"px",l.style.zIndex=999,document.body.appendChild(l),this.tarps.push(l)}},i.prototype.uncover=function(){for(var t=0;t<this.tarps.length;t++)this.tarps[t].parentNode.removeChild(this.tarps[t]);this.tarps=[]},a["default"]=i,e.exports=a["default"]},{}],19:[function(t,e,a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});var i=function(){this.annotations_=[]};i.prototype.toString=function(){return"Annotations Plugin"},i.prototype.activate=function(t){return{clearChart:this.clearChart,didDrawChart:this.didDrawChart}},i.prototype.detachLabels=function(){for(var t=0;t<this.annotations_.length;t++){var e=this.annotations_[t];e.parentNode&&e.parentNode.removeChild(e),this.annotations_[t]=null}this.annotations_=[]},i.prototype.clearChart=function(t){this.detachLabels()},i.prototype.didDrawChart=function(t){var e=t.dygraph,a=e.layout_.annotated_points;if(a&&0!==a.length)for(var i=t.canvas.parentNode,n={position:"absolute",fontSize:e.getOption("axisLabelFontSize")+"px",zIndex:10,overflow:"hidden"},r=function(t,a,i){return function(n){var r=i.annotation;r.hasOwnProperty(t)?r[t](r,i,e,n):e.getOption(a)&&e.getOption(a)(r,i,e,n)}},o=t.dygraph.plotter_.area,s={},l=0;l<a.length;l++){var h=a[l];if(!(h.canvasx<o.x||h.canvasx>o.x+o.w||h.canvasy<o.y||h.canvasy>o.y+o.h)){var u=h.annotation,d=6;u.hasOwnProperty("tickHeight")&&(d=u.tickHeight);var c=document.createElement("div");for(var p in n)n.hasOwnProperty(p)&&(c.style[p]=n[p]);u.hasOwnProperty("icon")||(c.className="dygraphDefaultAnnotation"),u.hasOwnProperty("cssClass")&&(c.className+=" "+u.cssClass);var g=u.hasOwnProperty("width")?u.width:16,f=u.hasOwnProperty("height")?u.height:16;if(u.hasOwnProperty("icon")){var v=document.createElement("img");v.src=u.icon,v.width=g,v.height=f,c.appendChild(v)}else h.annotation.hasOwnProperty("shortText")&&c.appendChild(document.createTextNode(h.annotation.shortText));var _=h.canvasx-g/2;c.style.left=_+"px";var y=0;if(u.attachAtBottom){var x=o.y+o.h-f-d;s[_]?x-=s[_]:s[_]=0,s[_]+=d+f,y=x}else y=h.canvasy-f-d;c.style.top=y+"px",c.style.width=g+"px",c.style.height=f+"px",c.title=h.annotation.text,c.style.color=e.colorsMap_[h.name],c.style.borderColor=e.colorsMap_[h.name],u.div=c,e.addAndTrackEvent(c,"click",r("clickHandler","annotationClickHandler",h,this)),e.addAndTrackEvent(c,"mouseover",r("mouseOverHandler","annotationMouseOverHandler",h,this)),e.addAndTrackEvent(c,"mouseout",r("mouseOutHandler","annotationMouseOutHandler",h,this)),e.addAndTrackEvent(c,"dblclick",r("dblClickHandler","annotationDblClickHandler",h,this)),
+i.appendChild(c),this.annotations_.push(c);var m=t.drawingContext;if(m.save(),m.strokeStyle=e.colorsMap_[h.name],m.beginPath(),u.attachAtBottom){var x=y+f;m.moveTo(h.canvasx,x),m.lineTo(h.canvasx,x+d)}else m.moveTo(h.canvasx,h.canvasy),m.lineTo(h.canvasx,h.canvasy-2-d);m.closePath(),m.stroke(),m.restore()}}},i.prototype.destroy=function(){this.detachLabels()},a["default"]=i,e.exports=a["default"]},{}],20:[function(t,e,a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});var i=function(){this.xlabels_=[],this.ylabels_=[]};i.prototype.toString=function(){return"Axes Plugin"},i.prototype.activate=function(t){return{layout:this.layout,clearChart:this.clearChart,willDrawChart:this.willDrawChart}},i.prototype.layout=function(t){var e=t.dygraph;if(e.getOptionForAxis("drawAxis","y")){var a=e.getOptionForAxis("axisLabelWidth","y")+2*e.getOptionForAxis("axisTickSize","y");t.reserveSpaceLeft(a)}if(e.getOptionForAxis("drawAxis","x")){var i;i=e.getOption("xAxisHeight")?e.getOption("xAxisHeight"):e.getOptionForAxis("axisLabelFontSize","x")+2*e.getOptionForAxis("axisTickSize","x"),t.reserveSpaceBottom(i)}if(2==e.numAxes()){if(e.getOptionForAxis("drawAxis","y2")){var a=e.getOptionForAxis("axisLabelWidth","y2")+2*e.getOptionForAxis("axisTickSize","y2");t.reserveSpaceRight(a)}}else e.numAxes()>2&&e.error("Only two y-axes are supported at this time. (Trying to use "+e.numAxes()+")")},i.prototype.detachLabels=function(){function t(t){for(var e=0;e<t.length;e++){var a=t[e];a.parentNode&&a.parentNode.removeChild(a)}}t(this.xlabels_),t(this.ylabels_),this.xlabels_=[],this.ylabels_=[]},i.prototype.clearChart=function(t){this.detachLabels()},i.prototype.willDrawChart=function(t){function e(t){return Math.round(t)+.5}function a(t){return Math.round(t)-.5}var i=t.dygraph;if(i.getOptionForAxis("drawAxis","x")||i.getOptionForAxis("drawAxis","y")||i.getOptionForAxis("drawAxis","y2")){var n,r,o,s,l,h=t.drawingContext,u=t.canvas.parentNode,d=i.width_,c=i.height_,p=function(t){return{position:"absolute",fontSize:i.getOptionForAxis("axisLabelFontSize",t)+"px",zIndex:10,color:i.getOptionForAxis("axisLabelColor",t),width:i.getOptionForAxis("axisLabelWidth",t)+"px",lineHeight:"normal",overflow:"hidden"}},g={x:p("x"),y:p("y"),y2:p("y2")},f=function(t,e,a){var i=document.createElement("div"),n=g["y2"==a?"y2":e];for(var r in n)n.hasOwnProperty(r)&&(i.style[r]=n[r]);var o=document.createElement("div");return o.className="dygraph-axis-label dygraph-axis-label-"+e+(a?" dygraph-axis-label-"+a:""),o.innerHTML=t,i.appendChild(o),i};h.save();var v=i.layout_,_=t.dygraph.plotter_.area,y=function(t){return function(e){return i.getOptionForAxis(e,t)}};if(i.getOptionForAxis("drawAxis","y")){if(v.yticks&&v.yticks.length>0){var x=i.numAxes(),m=[y("y"),y("y2")];for(l=0;l<v.yticks.length;l++){if(s=v.yticks[l],"function"==typeof s)return;r=_.x;var b=1,w="y1",A=m[0];1==s[0]&&(r=_.x+_.w,b=-1,w="y2",A=m[1]);var O=A("axisLabelFontSize");o=_.y+s[1]*_.h,n=f(s[2],"y",2==x?w:null);var D=o-O/2;0>D&&(D=0),D+O+3>c?n.style.bottom="0":n.style.top=D+"px",0===s[0]?(n.style.left=_.x-A("axisLabelWidth")-A("axisTickSize")+"px",n.style.textAlign="right"):1==s[0]&&(n.style.left=_.x+_.w+A("axisTickSize")+"px",n.style.textAlign="left"),n.style.width=A("axisLabelWidth")+"px",u.appendChild(n),this.ylabels_.push(n)}var S=this.ylabels_[0],O=i.getOptionForAxis("axisLabelFontSize","y"),T=parseInt(S.style.top,10)+O;T>c-O&&(S.style.top=parseInt(S.style.top,10)-O/2+"px")}var P;if(i.getOption("drawAxesAtZero")){var L=i.toPercentXCoord(0);(L>1||0>L||isNaN(L))&&(L=0),P=e(_.x+L*_.w)}else P=e(_.x);h.strokeStyle=i.getOptionForAxis("axisLineColor","y"),h.lineWidth=i.getOptionForAxis("axisLineWidth","y"),h.beginPath(),h.moveTo(P,a(_.y)),h.lineTo(P,a(_.y+_.h)),h.closePath(),h.stroke(),2==i.numAxes()&&(h.strokeStyle=i.getOptionForAxis("axisLineColor","y2"),h.lineWidth=i.getOptionForAxis("axisLineWidth","y2"),h.beginPath(),h.moveTo(a(_.x+_.w),a(_.y)),h.lineTo(a(_.x+_.w),a(_.y+_.h)),h.closePath(),h.stroke())}if(i.getOptionForAxis("drawAxis","x")){if(v.xticks){var A=y("x");for(l=0;l<v.xticks.length;l++){s=v.xticks[l],r=_.x+s[0]*_.w,o=_.y+_.h,n=f(s[1],"x"),n.style.textAlign="center",n.style.top=o+A("axisTickSize")+"px";var E=r-A("axisLabelWidth")/2;E+A("axisLabelWidth")>d&&(E=d-A("axisLabelWidth"),n.style.textAlign="right"),0>E&&(E=0,n.style.textAlign="left"),n.style.left=E+"px",n.style.width=A("axisLabelWidth")+"px",u.appendChild(n),this.xlabels_.push(n)}}h.strokeStyle=i.getOptionForAxis("axisLineColor","x"),h.lineWidth=i.getOptionForAxis("axisLineWidth","x"),h.beginPath();var C;if(i.getOption("drawAxesAtZero")){var L=i.toPercentYCoord(0,0);(L>1||0>L)&&(L=1),C=a(_.y+L*_.h)}else C=a(_.y+_.h);h.moveTo(e(_.x),C),h.lineTo(e(_.x+_.w),C),h.closePath(),h.stroke()}h.restore()}},a["default"]=i,e.exports=a["default"]},{}],21:[function(t,e,a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});var i=function(){this.title_div_=null,this.xlabel_div_=null,this.ylabel_div_=null,this.y2label_div_=null};i.prototype.toString=function(){return"ChartLabels Plugin"},i.prototype.activate=function(t){return{layout:this.layout,didDrawChart:this.didDrawChart}};var n=function(t){var e=document.createElement("div");return e.style.position="absolute",e.style.left=t.x+"px",e.style.top=t.y+"px",e.style.width=t.w+"px",e.style.height=t.h+"px",e};i.prototype.detachLabels_=function(){for(var t=[this.title_div_,this.xlabel_div_,this.ylabel_div_,this.y2label_div_],e=0;e<t.length;e++){var a=t[e];a&&a.parentNode&&a.parentNode.removeChild(a)}this.title_div_=null,this.xlabel_div_=null,this.ylabel_div_=null,this.y2label_div_=null};var r=function(t,e,a,i,n){var r=document.createElement("div");r.style.position="absolute",1==a?r.style.left="0px":r.style.left=e.x+"px",r.style.top=e.y+"px",r.style.width=e.w+"px",r.style.height=e.h+"px",r.style.fontSize=t.getOption("yLabelWidth")-2+"px";var o=document.createElement("div");o.style.position="absolute",o.style.width=e.h+"px",o.style.height=e.w+"px",o.style.top=e.h/2-e.w/2+"px",o.style.left=e.w/2-e.h/2+"px",o.style.textAlign="center";var s="rotate("+(1==a?"-":"")+"90deg)";o.style.transform=s,o.style.WebkitTransform=s,o.style.MozTransform=s,o.style.OTransform=s,o.style.msTransform=s;var l=document.createElement("div");return l.className=i,l.innerHTML=n,o.appendChild(l),r.appendChild(o),r};i.prototype.layout=function(t){this.detachLabels_();var e=t.dygraph,a=t.chart_div;if(e.getOption("title")){var i=t.reserveSpaceTop(e.getOption("titleHeight"));this.title_div_=n(i),this.title_div_.style.textAlign="center",this.title_div_.style.fontSize=e.getOption("titleHeight")-8+"px",this.title_div_.style.fontWeight="bold",this.title_div_.style.zIndex=10;var o=document.createElement("div");o.className="dygraph-label dygraph-title",o.innerHTML=e.getOption("title"),this.title_div_.appendChild(o),a.appendChild(this.title_div_)}if(e.getOption("xlabel")){var s=t.reserveSpaceBottom(e.getOption("xLabelHeight"));this.xlabel_div_=n(s),this.xlabel_div_.style.textAlign="center",this.xlabel_div_.style.fontSize=e.getOption("xLabelHeight")-2+"px";var o=document.createElement("div");o.className="dygraph-label dygraph-xlabel",o.innerHTML=e.getOption("xlabel"),this.xlabel_div_.appendChild(o),a.appendChild(this.xlabel_div_)}if(e.getOption("ylabel")){var l=t.reserveSpaceLeft(0);this.ylabel_div_=r(e,l,1,"dygraph-label dygraph-ylabel",e.getOption("ylabel")),a.appendChild(this.ylabel_div_)}if(e.getOption("y2label")&&2==e.numAxes()){var h=t.reserveSpaceRight(0);this.y2label_div_=r(e,h,2,"dygraph-label dygraph-y2label",e.getOption("y2label")),a.appendChild(this.y2label_div_)}},i.prototype.didDrawChart=function(t){var e=t.dygraph;this.title_div_&&(this.title_div_.children[0].innerHTML=e.getOption("title")),this.xlabel_div_&&(this.xlabel_div_.children[0].innerHTML=e.getOption("xlabel")),this.ylabel_div_&&(this.ylabel_div_.children[0].children[0].innerHTML=e.getOption("ylabel")),this.y2label_div_&&(this.y2label_div_.children[0].children[0].innerHTML=e.getOption("y2label"))},i.prototype.clearChart=function(){},i.prototype.destroy=function(){this.detachLabels_()},a["default"]=i,e.exports=a["default"]},{}],22:[function(t,e,a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});var i=function(){};i.prototype.toString=function(){return"Gridline Plugin"},i.prototype.activate=function(t){return{willDrawChart:this.willDrawChart}},i.prototype.willDrawChart=function(t){function e(t){return Math.round(t)+.5}function a(t){return Math.round(t)-.5}var i,n,r,o,s=t.dygraph,l=t.drawingContext,h=s.layout_,u=t.dygraph.plotter_.area;if(s.getOptionForAxis("drawGrid","y")){for(var d=["y","y2"],c=[],p=[],g=[],f=[],v=[],r=0;r<d.length;r++)g[r]=s.getOptionForAxis("drawGrid",d[r]),g[r]&&(c[r]=s.getOptionForAxis("gridLineColor",d[r]),p[r]=s.getOptionForAxis("gridLineWidth",d[r]),v[r]=s.getOptionForAxis("gridLinePattern",d[r]),f[r]=v[r]&&v[r].length>=2);for(o=h.yticks,l.save(),r=0;r<o.length;r++){var _=o[r][0];g[_]&&(l.save(),f[_]&&l.setLineDash&&l.setLineDash(v[_]),l.strokeStyle=c[_],l.lineWidth=p[_],i=e(u.x),n=a(u.y+o[r][1]*u.h),l.beginPath(),l.moveTo(i,n),l.lineTo(i+u.w,n),l.stroke(),l.restore())}l.restore()}if(s.getOptionForAxis("drawGrid","x")){o=h.xticks,l.save();var v=s.getOptionForAxis("gridLinePattern","x"),f=v&&v.length>=2;for(f&&l.setLineDash&&l.setLineDash(v),l.strokeStyle=s.getOptionForAxis("gridLineColor","x"),l.lineWidth=s.getOptionForAxis("gridLineWidth","x"),r=0;r<o.length;r++)i=e(u.x+o[r][0]*u.w),n=a(u.y+u.h),l.beginPath(),l.moveTo(i,n),l.lineTo(i,u.y),l.closePath(),l.stroke();f&&l.setLineDash&&l.setLineDash([]),l.restore()}},i.prototype.destroy=function(){},a["default"]=i,e.exports=a["default"]},{}],23:[function(t,e,a){"use strict";function i(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var a in t)Object.prototype.hasOwnProperty.call(t,a)&&(e[a]=t[a]);return e["default"]=t,e}Object.defineProperty(a,"__esModule",{value:!0});var n=t("../dygraph-utils"),r=i(n),o=function(){this.legend_div_=null,this.is_generated_div_=!1};o.prototype.toString=function(){return"Legend Plugin"};var s;o.prototype.activate=function(t){var e,a=t.getOption("labelsDivWidth"),i=t.getOption("labelsDiv");if(i&&null!==i)e="string"==typeof i||i instanceof String?document.getElementById(i):i;else{var n={position:"absolute",fontSize:"14px",zIndex:10,width:a+"px",top:"0px",left:t.size().width-a-2+"px",background:"white",lineHeight:"normal",textAlign:"left",overflow:"hidden"};r.update(n,t.getOption("labelsDivStyles")),e=document.createElement("div"),e.className="dygraph-legend";for(var o in n)if(n.hasOwnProperty(o))try{e.style[o]=n[o]}catch(s){console.warn("You are using unsupported css properties for your browser in labelsDivStyles")}t.graphDiv.appendChild(e),this.is_generated_div_=!0}return this.legend_div_=e,this.one_em_width_=10,{select:this.select,deselect:this.deselect,predraw:this.predraw,didDrawChart:this.didDrawChart}};var l=function(t){var e=document.createElement("span");e.setAttribute("style","margin: 0; padding: 0 0 0 1em; border: 0;"),t.appendChild(e);var a=e.offsetWidth;return t.removeChild(e),a},h=function(t){return t.replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/</g,"&lt;").replace(/>/g,"&gt;")};o.prototype.select=function(t){var e=t.selectedX,a=t.selectedPoints,i=t.selectedRow,n=t.dygraph.getOption("legend");if("never"===n)return void(this.legend_div_.style.display="none");if("follow"===n){var r=t.dygraph.plotter_.area,s=t.dygraph.getOption("labelsDivWidth"),l=t.dygraph.getOptionForAxis("axisLabelWidth","y"),h=a[0].x*r.w+50,u=a[0].y*r.h-50;h+s+1>r.w&&(h=h-100-s-(l-r.x)),t.dygraph.graphDiv.appendChild(this.legend_div_),this.legend_div_.style.left=l+h+"px",this.legend_div_.style.top=u+"px"}var d=o.generateLegendHTML(t.dygraph,e,a,this.one_em_width_,i);this.legend_div_.innerHTML=d,this.legend_div_.style.display=""},o.prototype.deselect=function(t){var e=t.dygraph.getOption("legend");"always"!==e&&(this.legend_div_.style.display="none");var a=l(this.legend_div_);this.one_em_width_=a;var i=o.generateLegendHTML(t.dygraph,void 0,void 0,a,null);this.legend_div_.innerHTML=i},o.prototype.didDrawChart=function(t){this.deselect(t)},o.prototype.predraw=function(t){if(this.is_generated_div_){t.dygraph.graphDiv.appendChild(this.legend_div_);var e=t.dygraph.getArea(),a=t.dygraph.getOption("labelsDivWidth");this.legend_div_.style.left=e.x+e.w-a-1+"px",this.legend_div_.style.top=e.y+"px",this.legend_div_.style.width=a+"px"}},o.prototype.destroy=function(){this.legend_div_=null},o.generateLegendHTML=function(t,e,a,i,n){var l={dygraph:t,x:e,series:[]},u={},d=t.getLabels();if(d)for(var c=1;c<d.length;c++){var p=t.getPropertiesForSeries(d[c]),g=t.getOption("strokePattern",d[c]),f={dashHTML:s(g,p.color,i),label:d[c],labelHTML:h(d[c]),isVisible:p.visible,color:p.color};l.series.push(f),u[d[c]]=f}if("undefined"!=typeof e){var v=t.optionsViewForAxis_("x"),_=v("valueFormatter");l.xHTML=_.call(t,e,v,d[0],t,n,0);for(var y=[],x=t.numAxes(),c=0;x>c;c++)y[c]=t.optionsViewForAxis_("y"+(c?1+c:""));var m=t.getOption("labelsShowZeroValues"),b=t.getHighlightSeries();for(c=0;c<a.length;c++){var w=a[c],f=u[w.name];if(f.y=w.yval,0===w.yval&&!m||isNaN(w.canvasy))f.isVisible=!1;else{var p=t.getPropertiesForSeries(w.name),A=y[p.axis-1],O=A("valueFormatter"),D=O.call(t,w.yval,A,w.name,t,n,d.indexOf(w.name));r.update(f,{yHTML:D}),w.name==b&&(f.isHighlighted=!0)}}}var S=t.getOption("legendFormatter")||o.defaultFormatter;return S.call(t,l)},o.defaultFormatter=function(t){var e=t.dygraph;if(e.getOption("showLabelsOnHighlight")!==!0)return"";var a,i=e.getOption("labelsSeparateLines");if("undefined"==typeof t.x){if("always"!=e.getOption("legend"))return"";a="";for(var n=0;n<t.series.length;n++){var r=t.series[n];r.isVisible&&(""!==a&&(a+=i?"<br/>":" "),a+="<span style='font-weight: bold; color: "+r.color+";'>"+r.dashHTML+" "+r.labelHTML+"</span>")}return a}a=t.xHTML+":";for(var n=0;n<t.series.length;n++){var r=t.series[n];if(r.isVisible){i&&(a+="<br>");var o=r.isHighlighted?' class="highlight"':"";a+="<span"+o+"> <b><span style='color: "+r.color+";'>"+r.labelHTML+"</span></b>:&#160;"+r.yHTML+"</span>"}}return a},s=function(t,e,a){if(!t||t.length<=1)return'<div style="display: inline-block; position: relative; bottom: .5ex; padding-left: 1em; height: 1px; border-bottom: 2px solid '+e+';"></div>';var i,n,r,o,s,l=0,h=0,u=[];for(i=0;i<=t.length;i++)l+=t[i%t.length];if(s=Math.floor(a/(l-t[0])),s>1){for(i=0;i<t.length;i++)u[i]=t[i]/a;h=u.length}else{for(s=1,i=0;i<t.length;i++)u[i]=t[i]/l;h=u.length+1}var d="";for(n=0;s>n;n++)for(i=0;h>i;i+=2)r=u[i%u.length],o=i<t.length?u[(i+1)%u.length]:0,d+='<div style="display: inline-block; position: relative; bottom: .5ex; margin-right: '+o+"em; padding-left: "+r+"em; height: 1px; border-bottom: 2px solid "+e+';"></div>';return d},a["default"]=o,e.exports=a["default"]},{"../dygraph-utils":16}],24:[function(t,e,a){"use strict";function i(t){return t&&t.__esModule?t:{"default":t}}function n(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var a in t)Object.prototype.hasOwnProperty.call(t,a)&&(e[a]=t[a]);return e["default"]=t,e}Object.defineProperty(a,"__esModule",{value:!0});var r=t("../dygraph-utils"),o=n(r),s=t("../dygraph-interaction-model"),l=i(s),h=t("../iframe-tarp"),u=i(h),d=function(){this.hasTouchInterface_="undefined"!=typeof TouchEvent,this.isMobileDevice_=/mobile|android/gi.test(navigator.appVersion),this.interfaceCreated_=!1};d.prototype.toString=function(){return"RangeSelector Plugin"},d.prototype.activate=function(t){return this.dygraph_=t,this.getOption_("showRangeSelector")&&this.createInterface_(),{layout:this.reserveSpace_,predraw:this.renderStaticLayer_,didDrawChart:this.renderInteractiveLayer_}},d.prototype.destroy=function(){this.bgcanvas_=null,this.fgcanvas_=null,this.leftZoomHandle_=null,this.rightZoomHandle_=null},d.prototype.getOption_=function(t,e){return this.dygraph_.getOption(t,e)},d.prototype.setDefaultOption_=function(t,e){this.dygraph_.attrs_[t]=e},d.prototype.createInterface_=function(){this.createCanvases_(),this.createZoomHandles_(),this.initInteraction_(),this.getOption_("animatedZooms")&&(console.warn("Animated zooms and range selector are not compatible; disabling animatedZooms."),this.dygraph_.updateOptions({animatedZooms:!1},!0)),this.interfaceCreated_=!0,this.addToGraph_()},d.prototype.addToGraph_=function(){var t=this.graphDiv_=this.dygraph_.graphDiv;t.appendChild(this.bgcanvas_),t.appendChild(this.fgcanvas_),t.appendChild(this.leftZoomHandle_),t.appendChild(this.rightZoomHandle_)},d.prototype.removeFromGraph_=function(){var t=this.graphDiv_;t.removeChild(this.bgcanvas_),t.removeChild(this.fgcanvas_),t.removeChild(this.leftZoomHandle_),t.removeChild(this.rightZoomHandle_),this.graphDiv_=null},d.prototype.reserveSpace_=function(t){this.getOption_("showRangeSelector")&&t.reserveSpaceBottom(this.getOption_("rangeSelectorHeight")+4)},d.prototype.renderStaticLayer_=function(){this.updateVisibility_()&&(this.resize_(),this.drawStaticLayer_())},d.prototype.renderInteractiveLayer_=function(){this.updateVisibility_()&&!this.isChangingRange_&&(this.placeZoomHandles_(),this.drawInteractiveLayer_())},d.prototype.updateVisibility_=function(){var t=this.getOption_("showRangeSelector");if(t)this.interfaceCreated_?this.graphDiv_&&this.graphDiv_.parentNode||this.addToGraph_():this.createInterface_();else if(this.graphDiv_){this.removeFromGraph_();var e=this.dygraph_;setTimeout(function(){e.width_=0,e.resize()},1)}return t},d.prototype.resize_=function(){function t(t,e,a){var i=o.getContextPixelRatio(e);t.style.top=a.y+"px",t.style.left=a.x+"px",t.width=a.w*i,t.height=a.h*i,t.style.width=a.w+"px",t.style.height=a.h+"px",1!=i&&e.scale(i,i)}var e=this.dygraph_.layout_.getPlotArea(),a=0;this.dygraph_.getOptionForAxis("drawAxis","x")&&(a=this.getOption_("xAxisHeight")||this.getOption_("axisLabelFontSize")+2*this.getOption_("axisTickSize")),this.canvasRect_={x:e.x,y:e.y+e.h+a+4,w:e.w,h:this.getOption_("rangeSelectorHeight")},t(this.bgcanvas_,this.bgcanvas_ctx_,this.canvasRect_),t(this.fgcanvas_,this.fgcanvas_ctx_,this.canvasRect_)},d.prototype.createCanvases_=function(){this.bgcanvas_=o.createCanvas(),this.bgcanvas_.className="dygraph-rangesel-bgcanvas",this.bgcanvas_.style.position="absolute",this.bgcanvas_.style.zIndex=9,this.bgcanvas_ctx_=o.getContext(this.bgcanvas_),this.fgcanvas_=o.createCanvas(),this.fgcanvas_.className="dygraph-rangesel-fgcanvas",this.fgcanvas_.style.position="absolute",this.fgcanvas_.style.zIndex=9,this.fgcanvas_.style.cursor="default",this.fgcanvas_ctx_=o.getContext(this.fgcanvas_)},d.prototype.createZoomHandles_=function(){var t=new Image;t.className="dygraph-rangesel-zoomhandle",t.style.position="absolute",t.style.zIndex=10,t.style.visibility="hidden",t.style.cursor="col-resize",t.width=9,t.height=16,t.src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAQCAYAAADESFVDAAAAAXNSR0IArs4c6QAAAAZiS0dEANAAzwDP4Z7KegAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAAd0SU1FB9sHGw0cMqdt1UwAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAaElEQVQoz+3SsRFAQBCF4Z9WJM8KCDVwownl6YXsTmCUsyKGkZzcl7zkz3YLkypgAnreFmDEpHkIwVOMfpdi9CEEN2nGpFdwD03yEqDtOgCaun7sqSTDH32I1pQA2Pb9sZecAxc5r3IAb21d6878xsAAAAAASUVORK5CYII=",this.isMobileDevice_&&(t.width*=2,t.height*=2),this.leftZoomHandle_=t,this.rightZoomHandle_=t.cloneNode(!1)},d.prototype.initInteraction_=function(){var t,e,a,i,n,r,s,h,d,c,p,g,f,v,_=this,y=document,x=0,m=null,b=!1,w=!1,A=!this.isMobileDevice_,O=new u["default"];t=function(t){var e=_.dygraph_.xAxisExtremes(),a=(e[1]-e[0])/_.canvasRect_.w,i=e[0]+(t.leftHandlePos-_.canvasRect_.x)*a,n=e[0]+(t.rightHandlePos-_.canvasRect_.x)*a;return[i,n]},e=function(t){return o.cancelEvent(t),b=!0,x=t.clientX,m=t.target?t.target:t.srcElement,("mousedown"===t.type||"dragstart"===t.type)&&(o.addEvent(y,"mousemove",a),o.addEvent(y,"mouseup",i)),_.fgcanvas_.style.cursor="col-resize",O.cover(),!0},a=function(t){if(!b)return!1;o.cancelEvent(t);var e=t.clientX-x;if(Math.abs(e)<4)return!0;x=t.clientX;var a,i=_.getZoomHandleStatus_();m==_.leftZoomHandle_?(a=i.leftHandlePos+e,a=Math.min(a,i.rightHandlePos-m.width-3),a=Math.max(a,_.canvasRect_.x)):(a=i.rightHandlePos+e,a=Math.min(a,_.canvasRect_.x+_.canvasRect_.w),a=Math.max(a,i.leftHandlePos+m.width+3));var r=m.width/2;return m.style.left=a-r+"px",_.drawInteractiveLayer_(),A&&n(),!0},i=function(t){return b?(b=!1,O.uncover(),o.removeEvent(y,"mousemove",a),o.removeEvent(y,"mouseup",i),_.fgcanvas_.style.cursor="default",A||n(),!0):!1},n=function(){try{var e=_.getZoomHandleStatus_();if(_.isChangingRange_=!0,e.isZoomed){var a=t(e);_.dygraph_.doZoomXDates_(a[0],a[1])}else _.dygraph_.resetZoom()}finally{_.isChangingRange_=!1}},r=function(t){var e=_.leftZoomHandle_.getBoundingClientRect(),a=e.left+e.width/2;e=_.rightZoomHandle_.getBoundingClientRect();var i=e.left+e.width/2;return t.clientX>a&&t.clientX<i},s=function(t){return!w&&r(t)&&_.getZoomHandleStatus_().isZoomed?(o.cancelEvent(t),w=!0,x=t.clientX,"mousedown"===t.type&&(o.addEvent(y,"mousemove",h),o.addEvent(y,"mouseup",d)),!0):!1},h=function(t){if(!w)return!1;o.cancelEvent(t);var e=t.clientX-x;if(Math.abs(e)<4)return!0;x=t.clientX;var a=_.getZoomHandleStatus_(),i=a.leftHandlePos,n=a.rightHandlePos,r=n-i;i+e<=_.canvasRect_.x?(i=_.canvasRect_.x,n=i+r):n+e>=_.canvasRect_.x+_.canvasRect_.w?(n=_.canvasRect_.x+_.canvasRect_.w,i=n-r):(i+=e,n+=e);var s=_.leftZoomHandle_.width/2;return _.leftZoomHandle_.style.left=i-s+"px",_.rightZoomHandle_.style.left=n-s+"px",_.drawInteractiveLayer_(),A&&c(),!0},d=function(t){return w?(w=!1,o.removeEvent(y,"mousemove",h),o.removeEvent(y,"mouseup",d),A||c(),!0):!1},c=function(){try{_.isChangingRange_=!0,_.dygraph_.dateWindow_=t(_.getZoomHandleStatus_()),_.dygraph_.drawGraph_(!1)}finally{_.isChangingRange_=!1}},p=function(t){if(!b&&!w){var e=r(t)?"move":"default";e!=_.fgcanvas_.style.cursor&&(_.fgcanvas_.style.cursor=e)}},g=function(t){"touchstart"==t.type&&1==t.targetTouches.length?e(t.targetTouches[0])&&o.cancelEvent(t):"touchmove"==t.type&&1==t.targetTouches.length?a(t.targetTouches[0])&&o.cancelEvent(t):i(t)},f=function(t){"touchstart"==t.type&&1==t.targetTouches.length?s(t.targetTouches[0])&&o.cancelEvent(t):"touchmove"==t.type&&1==t.targetTouches.length?h(t.targetTouches[0])&&o.cancelEvent(t):d(t)},v=function(t,e){for(var a=["touchstart","touchend","touchmove","touchcancel"],i=0;i<a.length;i++)_.dygraph_.addAndTrackEvent(t,a[i],e)},this.setDefaultOption_("interactionModel",l["default"].dragIsPanInteractionModel),this.setDefaultOption_("panEdgeFraction",1e-4);var D=window.opera?"mousedown":"dragstart";this.dygraph_.addAndTrackEvent(this.leftZoomHandle_,D,e),this.dygraph_.addAndTrackEvent(this.rightZoomHandle_,D,e),this.dygraph_.addAndTrackEvent(this.fgcanvas_,"mousedown",s),this.dygraph_.addAndTrackEvent(this.fgcanvas_,"mousemove",p),this.hasTouchInterface_&&(v(this.leftZoomHandle_,g),v(this.rightZoomHandle_,g),v(this.fgcanvas_,f))},d.prototype.drawStaticLayer_=function(){var t=this.bgcanvas_ctx_;t.clearRect(0,0,this.canvasRect_.w,this.canvasRect_.h);try{this.drawMiniPlot_()}catch(e){console.warn(e)}var a=.5;this.bgcanvas_ctx_.lineWidth=this.getOption_("rangeSelectorBackgroundLineWidth"),t.strokeStyle=this.getOption_("rangeSelectorBackgroundStrokeColor"),t.beginPath(),t.moveTo(a,a),t.lineTo(a,this.canvasRect_.h-a),t.lineTo(this.canvasRect_.w-a,this.canvasRect_.h-a),t.lineTo(this.canvasRect_.w-a,a),t.stroke()},d.prototype.drawMiniPlot_=function(){var t=this.getOption_("rangeSelectorPlotFillColor"),e=this.getOption_("rangeSelectorPlotFillGradientColor"),a=this.getOption_("rangeSelectorPlotStrokeColor");if(t||a){var i=this.getOption_("stepPlot"),n=this.computeCombinedSeriesAndLimits_(),r=n.yMax-n.yMin,o=this.bgcanvas_ctx_,s=.5,l=this.dygraph_.xAxisExtremes(),h=Math.max(l[1]-l[0],1e-30),u=(this.canvasRect_.w-s)/h,d=(this.canvasRect_.h-s)/r,c=this.canvasRect_.w-s,p=this.canvasRect_.h-s,g=null,f=null;o.beginPath(),o.moveTo(s,p);for(var v=0;v<n.data.length;v++){var _=n.data[v],y=null!==_[0]?(_[0]-l[0])*u:NaN,x=null!==_[1]?p-(_[1]-n.yMin)*d:NaN;(i||null===g||Math.round(y)!=Math.round(g))&&(isFinite(y)&&isFinite(x)?(null===g?o.lineTo(y,p):i&&o.lineTo(y,f),o.lineTo(y,x),g=y,f=x):(null!==g&&(i?(o.lineTo(y,f),o.lineTo(y,p)):o.lineTo(g,p)),g=f=null))}if(o.lineTo(c,p),o.closePath(),t){var m=this.bgcanvas_ctx_.createLinearGradient(0,0,0,p);e&&m.addColorStop(0,e),m.addColorStop(1,t),this.bgcanvas_ctx_.fillStyle=m,o.fill()}a&&(this.bgcanvas_ctx_.strokeStyle=a,this.bgcanvas_ctx_.lineWidth=this.getOption_("rangeSelectorPlotLineWidth"),o.stroke())}},d.prototype.computeCombinedSeriesAndLimits_=function(){var t,e=this.dygraph_,a=this.getOption_("logscale"),i=e.numColumns(),n=e.getLabels(),r=new Array(i),s=!1;for(t=1;i>t;t++){var l=this.getOption_("showInRangeSelector",n[t]);r[t]=l,null!==l&&(s=!0)}if(!s)for(t=0;t<r.length;t++)r[t]=!0;var h=[],u=e.dataHandler_,d=e.attributes_;for(t=1;t<e.numColumns();t++)if(r[t]){var c=u.extractSeries(e.rawData_,t,d);e.rollPeriod()>1&&(c=u.rollingAverage(c,e.rollPeriod(),d)),h.push(c)}var p=[];for(t=0;t<h[0].length;t++){for(var g=0,f=0,v=0;v<h.length;v++){var _=h[v][t][1];null===_||isNaN(_)||(f++,g+=_)}p.push([h[0][t][0],g/f])}var y=Number.MAX_VALUE,x=-Number.MAX_VALUE;for(t=0;t<p.length;t++){var m=p[t][1];null!==m&&isFinite(m)&&(!a||m>0)&&(y=Math.min(y,m),x=Math.max(x,m))}var b=.25;if(a)for(x=o.log10(x),x+=x*b,y=o.log10(y),t=0;t<p.length;t++)p[t][1]=o.log10(p[t][1]);else{var w,A=x-y;w=A<=Number.MIN_VALUE?x*b:A*b,x+=w,y-=w}return{data:p,yMin:y,yMax:x}},d.prototype.placeZoomHandles_=function(){var t=this.dygraph_.xAxisExtremes(),e=this.dygraph_.xAxisRange(),a=t[1]-t[0],i=Math.max(0,(e[0]-t[0])/a),n=Math.max(0,(t[1]-e[1])/a),r=this.canvasRect_.x+this.canvasRect_.w*i,o=this.canvasRect_.x+this.canvasRect_.w*(1-n),s=Math.max(this.canvasRect_.y,this.canvasRect_.y+(this.canvasRect_.h-this.leftZoomHandle_.height)/2),l=this.leftZoomHandle_.width/2;this.leftZoomHandle_.style.left=r-l+"px",this.leftZoomHandle_.style.top=s+"px",this.rightZoomHandle_.style.left=o-l+"px",this.rightZoomHandle_.style.top=this.leftZoomHandle_.style.top,this.leftZoomHandle_.style.visibility="visible",this.rightZoomHandle_.style.visibility="visible"},d.prototype.drawInteractiveLayer_=function(){var t=this.fgcanvas_ctx_;t.clearRect(0,0,this.canvasRect_.w,this.canvasRect_.h);var e=1,a=this.canvasRect_.w-e,i=this.canvasRect_.h-e,n=this.getZoomHandleStatus_();if(t.strokeStyle=this.getOption_("rangeSelectorForegroundStrokeColor"),t.lineWidth=this.getOption_("rangeSelectorForegroundLineWidth"),n.isZoomed){var r=Math.max(e,n.leftHandlePos-this.canvasRect_.x),o=Math.min(a,n.rightHandlePos-this.canvasRect_.x);t.fillStyle="rgba(240, 240, 240, "+this.getOption_("rangeSelectorAlpha").toString()+")",t.fillRect(0,0,r,this.canvasRect_.h),t.fillRect(o,0,this.canvasRect_.w-o,this.canvasRect_.h),t.beginPath(),t.moveTo(e,e),t.lineTo(r,e),t.lineTo(r,i),t.lineTo(o,i),t.lineTo(o,e),t.lineTo(a,e),t.stroke()}else t.beginPath(),t.moveTo(e,e),t.lineTo(e,i),t.lineTo(a,i),t.lineTo(a,e),t.stroke()},d.prototype.getZoomHandleStatus_=function(){var t=this.leftZoomHandle_.width/2,e=parseFloat(this.leftZoomHandle_.style.left)+t,a=parseFloat(this.rightZoomHandle_.style.left)+t;return{leftHandlePos:e,rightHandlePos:a,isZoomed:e-1>this.canvasRect_.x||a+1<this.canvasRect_.x+this.canvasRect_.w}},a["default"]=d,e.exports=a["default"]},{"../dygraph-interaction-model":11,"../dygraph-utils":16,"../iframe-tarp":18}]},{},[17])(17)});
+//# sourceMappingURL=dist/dygraph.min.js.map
\ No newline at end of file
diff --git a/web/lib/dygraph-smooth-plotter.js b/web/lib/dygraph-smooth-plotter.js
new file mode 100644
index 00000000..69685ec8
--- /dev/null
+++ b/web/lib/dygraph-smooth-plotter.js
@@ -0,0 +1,140 @@
+(function() {
+"use strict";
+
+var Dygraph;
+if (window.Dygraph) {
+  Dygraph = window.Dygraph;
+} else if (typeof(module) !== 'undefined') {
+  Dygraph = require('../dygraph');
+}
+
+/**
+ * Given three sequential points, p0, p1 and p2, find the left and right
+ * control points for p1.
+ *
+ * The three points are expected to have x and y properties.
+ *
+ * The alpha parameter controls the amount of smoothing.
+ * If α=0, then both control points will be the same as p1 (i.e. no smoothing).
+ *
+ * Returns [l1x, l1y, r1x, r1y]
+ *
+ * It's guaranteed that the line from (l1x, l1y)-(r1x, r1y) passes through p1.
+ * Unless allowFalseExtrema is set, then it's also guaranteed that:
+ *   l1y ∈ [p0.y, p1.y]
+ *   r1y ∈ [p1.y, p2.y]
+ *
+ * The basic algorithm is:
+ * 1. Put the control points l1 and r1 α of the way down (p0, p1) and (p1, p2).
+ * 2. Shift l1 and r2 so that the line l1–r1 passes through p1
+ * 3. Adjust to prevent false extrema while keeping p1 on the l1–r1 line.
+ *
+ * This is loosely based on the HighCharts algorithm.
+ */
+function getControlPoints(p0, p1, p2, opt_alpha, opt_allowFalseExtrema) {
+  var alpha = (opt_alpha !== undefined) ? opt_alpha : 1/3;  // 0=no smoothing, 1=crazy smoothing
+  var allowFalseExtrema = opt_allowFalseExtrema || false;
+
+  if (!p2) {
+    return [p1.x, p1.y, null, null];
+  }
+
+  // Step 1: Position the control points along each line segment.
+  var l1x = (1 - alpha) * p1.x + alpha * p0.x,
+      l1y = (1 - alpha) * p1.y + alpha * p0.y,
+      r1x = (1 - alpha) * p1.x + alpha * p2.x,
+      r1y = (1 - alpha) * p1.y + alpha * p2.y;
+
+  // Step 2: shift the points up so that p1 is on the l1–r1 line.
+  if (l1x != r1x) {
+    // This can be derived w/ some basic algebra.
+    var deltaY = p1.y - r1y - (p1.x - r1x) * (l1y - r1y) / (l1x - r1x);
+    l1y += deltaY;
+    r1y += deltaY;
+  }
+
+  // Step 3: correct to avoid false extrema.
+  if (!allowFalseExtrema) {
+    if (l1y > p0.y && l1y > p1.y) {
+      l1y = Math.max(p0.y, p1.y);
+      r1y = 2 * p1.y - l1y;
+    } else if (l1y < p0.y && l1y < p1.y) {
+      l1y = Math.min(p0.y, p1.y);
+      r1y = 2 * p1.y - l1y;
+    }
+
+    if (r1y > p1.y && r1y > p2.y) {
+      r1y = Math.max(p1.y, p2.y);
+      l1y = 2 * p1.y - r1y;
+    } else if (r1y < p1.y && r1y < p2.y) {
+      r1y = Math.min(p1.y, p2.y);
+      l1y = 2 * p1.y - r1y;
+    }
+  }
+
+  return [l1x, l1y, r1x, r1y];
+}
+
+// i.e. is none of (null, undefined, NaN)
+function isOK(x) {
+  return !!x && !isNaN(x);
+};
+
+// A plotter which uses splines to create a smooth curve.
+// See tests/plotters.html for a demo.
+// Can be controlled via smoothPlotter.smoothing
+function smoothPlotter(e) {
+  var ctx = e.drawingContext,
+      points = e.points;
+
+  ctx.beginPath();
+  ctx.moveTo(points[0].canvasx, points[0].canvasy);
+
+  // right control point for previous point
+  var lastRightX = points[0].canvasx, lastRightY = points[0].canvasy;
+
+  for (var i = 1; i < points.length; i++) {
+    var p0 = points[i - 1],
+        p1 = points[i],
+        p2 = points[i + 1];
+    p0 = p0 && isOK(p0.canvasy) ? p0 : null;
+    p1 = p1 && isOK(p1.canvasy) ? p1 : null;
+    p2 = p2 && isOK(p2.canvasy) ? p2 : null;
+    if (p0 && p1) {
+      var controls = getControlPoints({x: p0.canvasx, y: p0.canvasy},
+                                      {x: p1.canvasx, y: p1.canvasy},
+                                      p2 && {x: p2.canvasx, y: p2.canvasy},
+                                      smoothPlotter.smoothing);
+      // Uncomment to show the control points:
+      // ctx.lineTo(lastRightX, lastRightY);
+      // ctx.lineTo(controls[0], controls[1]);
+      // ctx.lineTo(p1.canvasx, p1.canvasy);
+      lastRightX = (lastRightX !== null) ? lastRightX : p0.canvasx;
+      lastRightY = (lastRightY !== null) ? lastRightY : p0.canvasy;
+      ctx.bezierCurveTo(lastRightX, lastRightY,
+                        controls[0], controls[1],
+                        p1.canvasx, p1.canvasy);
+      lastRightX = controls[2];
+      lastRightY = controls[3];
+    } else if (p1) {
+      // We're starting again after a missing point.
+      ctx.moveTo(p1.canvasx, p1.canvasy);
+      lastRightX = p1.canvasx;
+      lastRightY = p1.canvasy;
+    } else {
+      lastRightX = lastRightY = null;
+    }
+  }
+
+  ctx.stroke();
+}
+smoothPlotter.smoothing = 1/3;
+smoothPlotter._getControlPoints = getControlPoints;  // for testing
+
+// older versions exported a global.
+// This will be removed in the future.
+// The preferred way to access smoothPlotter is via Dygraph.smoothPlotter.
+window.smoothPlotter = smoothPlotter;
+Dygraph.smoothPlotter = smoothPlotter;
+
+})();
diff --git a/web/lib/gauge.min.js b/web/lib/gauge.min.js
new file mode 100644
index 00000000..733d502a
--- /dev/null
+++ b/web/lib/gauge.min.js
@@ -0,0 +1 @@
+(function(){var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q={}.hasOwnProperty,r=function(a,b){function c(){this.constructor=a}for(var d in b)q.call(b,d)&&(a[d]=b[d]);return c.prototype=b.prototype,a.prototype=new c,a.__super__=b.prototype,a};!function(){var a,b,c,d,e,f,g;for(g=["ms","moz","webkit","o"],c=0,e=g.length;e>c&&(f=g[c],!window.requestAnimationFrame);c++)window.requestAnimationFrame=window[f+"RequestAnimationFrame"],window.cancelAnimationFrame=window[f+"CancelAnimationFrame"]||window[f+"CancelRequestAnimationFrame"];return a=null,d=0,b={},requestAnimationFrame?window.cancelAnimationFrame?void 0:(a=window.requestAnimationFrame,window.requestAnimationFrame=function(c,e){var f;return f=++d,a(function(){return b[f]?void 0:c()},e),f},window.cancelAnimationFrame=function(a){return b[a]=!0}):(window.requestAnimationFrame=function(a,b){var c,d,e,f;return c=(new Date).getTime(),f=Math.max(0,16-(c-e)),d=window.setTimeout(function(){return 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diff --git a/web/lib/jquery-1.12.0.min.js b/web/lib/jquery-1.12.0.min.js
new file mode 100644
index 00000000..6c60672f
--- /dev/null
+++ b/web/lib/jquery-1.12.0.min.js
@@ -0,0 +1,5 @@
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n.fx.speeds?n.fx.speeds[d.duration]:n.fx.speeds._default,(null==d.queue||d.queue===!0)&&(d.queue="fx"),d.old=d.complete,d.complete=function(){n.isFunction(d.old)&&d.old.call(this),d.queue&&n.dequeue(this,d.queue)},d},n.fn.extend({fadeTo:function(a,b,c,d){return this.filter(W).css("opacity",0).show().end().animate({opacity:b},a,c,d)},animate:function(a,b,c,d){var e=n.isEmptyObject(a),f=n.speed(b,c,d),g=function(){var b=qb(this,n.extend({},a),f);(e||n._data(this,"finish"))&&b.stop(!0)};return g.finish=g,e||f.queue===!1?this.each(g):this.queue(f.queue,g)},stop:function(a,b,c){var d=function(a){var b=a.stop;delete a.stop,b(c)};return"string"!=typeof a&&(c=b,b=a,a=void 0),b&&a!==!1&&this.queue(a||"fx",[]),this.each(function(){var b=!0,e=null!=a&&a+"queueHooks",f=n.timers,g=n._data(this);if(e)g[e]&&g[e].stop&&d(g[e]);else for(e in g)g[e]&&g[e].stop&&kb.test(e)&&d(g[e]);for(e=f.length;e--;)f[e].elem!==this||null!=a&&f[e].queue!==a||(f[e].anim.stop(c),b=!1,f.splice(e,1));(b||!c)&&n.dequeue(this,a)})},finish:function(a){return a!==!1&&(a=a||"fx"),this.each(function(){var b,c=n._data(this),d=c[a+"queue"],e=c[a+"queueHooks"],f=n.timers,g=d?d.length:0;for(c.finish=!0,n.queue(this,a,[]),e&&e.stop&&e.stop.call(this,!0),b=f.length;b--;)f[b].elem===this&&f[b].queue===a&&(f[b].anim.stop(!0),f.splice(b,1));for(b=0;g>b;b++)d[b]&&d[b].finish&&d[b].finish.call(this);delete c.finish})}}),n.each(["toggle","show","hide"],function(a,b){var c=n.fn[b];n.fn[b]=function(a,d,e){return null==a||"boolean"==typeof a?c.apply(this,arguments):this.animate(mb(b,!0),a,d,e)}}),n.each({slideDown:mb("show"),slideUp:mb("hide"),slideToggle:mb("toggle"),fadeIn:{opacity:"show"},fadeOut:{opacity:"hide"},fadeToggle:{opacity:"toggle"}},function(a,b){n.fn[a]=function(a,c,d){return this.animate(b,a,c,d)}}),n.timers=[],n.fx.tick=function(){var a,b=n.timers,c=0;for(hb=n.now();c<b.length;c++)a=b[c],a()||b[c]!==a||b.splice(c--,1);b.length||n.fx.stop(),hb=void 0},n.fx.timer=function(a){n.timers.push(a),a()?n.fx.start():n.timers.pop()},n.fx.interval=13,n.fx.start=function(){ib||(ib=a.setInterval(n.fx.tick,n.fx.interval))},n.fx.stop=function(){a.clearInterval(ib),ib=null},n.fx.speeds={slow:600,fast:200,_default:400},n.fn.delay=function(b,c){return b=n.fx?n.fx.speeds[b]||b:b,c=c||"fx",this.queue(c,function(c,d){var e=a.setTimeout(c,b);d.stop=function(){a.clearTimeout(e)}})},function(){var a,b=d.createElement("input"),c=d.createElement("div"),e=d.createElement("select"),f=e.appendChild(d.createElement("option"));c=d.createElement("div"),c.setAttribute("className","t"),c.innerHTML="  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>",a=c.getElementsByTagName("a")[0],b.setAttribute("type","checkbox"),c.appendChild(b),a=c.getElementsByTagName("a")[0],a.style.cssText="top:1px",l.getSetAttribute="t"!==c.className,l.style=/top/.test(a.getAttribute("style")),l.hrefNormalized="/a"===a.getAttribute("href"),l.checkOn=!!b.value,l.optSelected=f.selected,l.enctype=!!d.createElement("form").enctype,e.disabled=!0,l.optDisabled=!f.disabled,b=d.createElement("input"),b.setAttribute("value",""),l.input=""===b.getAttribute("value"),b.value="t",b.setAttribute("type","radio"),l.radioValue="t"===b.value}();var rb=/\r/g;n.fn.extend({val:function(a){var b,c,d,e=this[0];{if(arguments.length)return d=n.isFunction(a),this.each(function(c){var e;1===this.nodeType&&(e=d?a.call(this,c,n(this).val()):a,null==e?e="":"number"==typeof e?e+="":n.isArray(e)&&(e=n.map(e,function(a){return null==a?"":a+""})),b=n.valHooks[this.type]||n.valHooks[this.nodeName.toLowerCase()],b&&"set"in b&&void 0!==b.set(this,e,"value")||(this.value=e))});if(e)return b=n.valHooks[e.type]||n.valHooks[e.nodeName.toLowerCase()],b&&"get"in b&&void 0!==(c=b.get(e,"value"))?c:(c=e.value,"string"==typeof c?c.replace(rb,""):null==c?"":c)}}}),n.extend({valHooks:{option:{get:function(a){var b=n.find.attr(a,"value");return null!=b?b:n.trim(n.text(a))}},select:{get:function(a){for(var b,c,d=a.options,e=a.selectedIndex,f="select-one"===a.type||0>e,g=f?null:[],h=f?e+1:d.length,i=0>e?h:f?e:0;h>i;i++)if(c=d[i],(c.selected||i===e)&&(l.optDisabled?!c.disabled:null===c.getAttribute("disabled"))&&(!c.parentNode.disabled||!n.nodeName(c.parentNode,"optgroup"))){if(b=n(c).val(),f)return b;g.push(b)}return g},set:function(a,b){var c,d,e=a.options,f=n.makeArray(b),g=e.length;while(g--)if(d=e[g],n.inArray(n.valHooks.option.get(d),f)>=0)try{d.selected=c=!0}catch(h){d.scrollHeight}else d.selected=!1;return c||(a.selectedIndex=-1),e}}}}),n.each(["radio","checkbox"],function(){n.valHooks[this]={set:function(a,b){return 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d,e,f=a.nodeType;if(3!==f&&8!==f&&2!==f)return 1===f&&n.isXMLDoc(a)||(b=n.propFix[b]||b,e=n.propHooks[b]),void 0!==c?e&&"set"in e&&void 0!==(d=e.set(a,c,b))?d:a[b]=c:e&&"get"in e&&null!==(d=e.get(a,b))?d:a[b]},propHooks:{tabIndex:{get:function(a){var b=n.find.attr(a,"tabindex");return b?parseInt(b,10):yb.test(a.nodeName)||zb.test(a.nodeName)&&a.href?0:-1}}},propFix:{"for":"htmlFor","class":"className"}}),l.hrefNormalized||n.each(["href","src"],function(a,b){n.propHooks[b]={get:function(a){return a.getAttribute(b,4)}}}),l.optSelected||(n.propHooks.selected={get:function(a){var b=a.parentNode;return b&&(b.selectedIndex,b.parentNode&&b.parentNode.selectedIndex),null}}),n.each(["tabIndex","readOnly","maxLength","cellSpacing","cellPadding","rowSpan","colSpan","useMap","frameBorder","contentEditable"],function(){n.propFix[this.toLowerCase()]=this}),l.enctype||(n.propFix.enctype="encoding");var Ab=/[\t\r\n\f]/g;function Bb(a){return n.attr(a,"class")||""}n.fn.extend({addClass:function(a){var b,c,d,e,f,g,h,i=0;if(n.isFunction(a))return this.each(function(b){n(this).addClass(a.call(this,b,Bb(this)))});if("string"==typeof a&&a){b=a.match(G)||[];while(c=this[i++])if(e=Bb(c),d=1===c.nodeType&&(" "+e+" ").replace(Ab," ")){g=0;while(f=b[g++])d.indexOf(" "+f+" ")<0&&(d+=f+" ");h=n.trim(d),e!==h&&n.attr(c,"class",h)}}return this},removeClass:function(a){var b,c,d,e,f,g,h,i=0;if(n.isFunction(a))return this.each(function(b){n(this).removeClass(a.call(this,b,Bb(this)))});if(!arguments.length)return this.attr("class","");if("string"==typeof a&&a){b=a.match(G)||[];while(c=this[i++])if(e=Bb(c),d=1===c.nodeType&&(" "+e+" ").replace(Ab," ")){g=0;while(f=b[g++])while(d.indexOf(" "+f+" ")>-1)d=d.replace(" "+f+" "," ");h=n.trim(d),e!==h&&n.attr(c,"class",h)}}return this},toggleClass:function(a,b){var c=typeof a;return"boolean"==typeof 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diff --git a/web/lib/jquery.easypiechart.min.js b/web/lib/jquery.easypiechart.min.js
new file mode 100644
index 00000000..efa45d0f
--- /dev/null
+++ b/web/lib/jquery.easypiechart.min.js
@@ -0,0 +1,9 @@
+/**!
+ * easy-pie-chart
+ * Lightweight plugin to render simple, animated and retina optimized pie charts
+ *
+ * @license 
+ * @author Robert Fleischmann <rendro87@gmail.com> (http://robert-fleischmann.de)
+ * @version 2.1.7
+ **/
+!function(a,b){"function"==typeof define&&define.amd?define(["jquery"],function(a){return b(a)}):"object"==typeof exports?module.exports=b(require("jquery")):b(jQuery)}(this,function(a){var b=function(a,b){var c,d=document.createElement("canvas");a.appendChild(d),"object"==typeof G_vmlCanvasManager&&G_vmlCanvasManager.initElement(d);var e=d.getContext("2d");d.width=d.height=b.size;var f=1;window.devicePixelRatio>1&&(f=window.devicePixelRatio,d.style.width=d.style.height=[b.size,"px"].join(""),d.width=d.height=b.size*f,e.scale(f,f)),e.translate(b.size/2,b.size/2),e.rotate((-0.5+b.rotate/180)*Math.PI);var g=(b.size-b.lineWidth)/2;b.scaleColor&&b.scaleLength&&(g-=b.scaleLength+2),Date.now=Date.now||function(){return+new Date};var h=function(a,b,c){c=Math.min(Math.max(-1,c||0),1);var d=0>=c?!0:!1;e.beginPath(),e.arc(0,0,g,0,2*Math.PI*c,d),e.strokeStyle=a,e.lineWidth=b,e.stroke()},i=function(){var a,c;e.lineWidth=1,e.fillStyle=b.scaleColor,e.save();for(var d=24;d>0;--d)d%6===0?(c=b.scaleLength,a=0):(c=.6*b.scaleLength,a=b.scaleLength-c),e.fillRect(-b.size/2+a,0,c,1),e.rotate(Math.PI/12);e.restore()},j=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(a){window.setTimeout(a,1e3/60)}}(),k=function(){b.scaleColor&&i(),b.trackColor&&h(b.trackColor,b.trackWidth||b.lineWidth,1)};this.getCanvas=function(){return d},this.getCtx=function(){return e},this.clear=function(){e.clearRect(b.size/-2,b.size/-2,b.size,b.size)},this.draw=function(a){b.scaleColor||b.trackColor?e.getImageData&&e.putImageData?c?e.putImageData(c,0,0):(k(),c=e.getImageData(0,0,b.size*f,b.size*f)):(this.clear(),k()):this.clear(),e.lineCap=b.lineCap;var d;d="function"==typeof b.barColor?b.barColor(a):b.barColor,h(d,b.lineWidth,a/100)}.bind(this),this.animate=function(a,c){var d=Date.now();b.onStart(a,c);var e=function(){var f=Math.min(Date.now()-d,b.animate.duration),g=b.easing(this,f,a,c-a,b.animate.duration);this.draw(g),b.onStep(a,c,g),f>=b.animate.duration?b.onStop(a,c):j(e)}.bind(this);j(e)}.bind(this)},c=function(a,c){var d={barColor:"#ef1e25",trackColor:"#f9f9f9",scaleColor:"#dfe0e0",scaleLength:5,lineCap:"round",lineWidth:3,trackWidth:void 0,size:110,rotate:0,animate:{duration:1e3,enabled:!0},easing:function(a,b,c,d,e){return b/=e/2,1>b?d/2*b*b+c:-d/2*(--b*(b-2)-1)+c},onStart:function(a,b){},onStep:function(a,b,c){},onStop:function(a,b){}};if("undefined"!=typeof b)d.renderer=b;else{if("undefined"==typeof SVGRenderer)throw new Error("Please load either the SVG- or the CanvasRenderer");d.renderer=SVGRenderer}var e={},f=0,g=function(){this.el=a,this.options=e;for(var b in d)d.hasOwnProperty(b)&&(e[b]=c&&"undefined"!=typeof c[b]?c[b]:d[b],"function"==typeof e[b]&&(e[b]=e[b].bind(this)));"string"==typeof e.easing&&"undefined"!=typeof jQuery&&jQuery.isFunction(jQuery.easing[e.easing])?e.easing=jQuery.easing[e.easing]:e.easing=d.easing,"number"==typeof e.animate&&(e.animate={duration:e.animate,enabled:!0}),"boolean"!=typeof e.animate||e.animate||(e.animate={duration:1e3,enabled:e.animate}),this.renderer=new e.renderer(a,e),this.renderer.draw(f),a.dataset&&a.dataset.percent?this.update(parseFloat(a.dataset.percent)):a.getAttribute&&a.getAttribute("data-percent")&&this.update(parseFloat(a.getAttribute("data-percent")))}.bind(this);this.update=function(a){return a=parseFloat(a),e.animate.enabled?this.renderer.animate(f,a):this.renderer.draw(a),f=a,this}.bind(this),this.disableAnimation=function(){return e.animate.enabled=!1,this},this.enableAnimation=function(){return e.animate.enabled=!0,this},g()};a.fn.easyPieChart=function(b){return this.each(function(){var d;a.data(this,"easyPieChart")||(d=a.extend({},b,a(this).data()),a.data(this,"easyPieChart",new c(this,d)))})}});
\ No newline at end of file
diff --git a/web/lib/jquery.nanoscroller.min.js b/web/lib/jquery.nanoscroller.min.js
new file mode 100644
index 00000000..08802adb
--- /dev/null
+++ b/web/lib/jquery.nanoscroller.min.js
@@ -0,0 +1,4 @@
+/*! nanoScrollerJS - v0.8.7 - (c) 2015 James Florentino; Licensed MIT */
+
+!function(a){return"function"==typeof define&&define.amd?define(["jquery"],function(b){return a(b,window,document)}):"object"==typeof exports?module.exports=a(require("jquery"),window,document):a(jQuery,window,document)}(function(a,b,c){"use strict";var d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D,E,F,G,H;z={paneClass:"nano-pane",sliderClass:"nano-slider",contentClass:"nano-content",enabledClass:"has-scrollbar",flashedClass:"flashed",activeClass:"active",iOSNativeScrolling:!1,preventPageScrolling:!1,disableResize:!1,alwaysVisible:!1,flashDelay:1500,sliderMinHeight:20,sliderMaxHeight:null,documentContext:null,windowContext:null},u="scrollbar",t="scroll",l="mousedown",m="mouseenter",n="mousemove",p="mousewheel",o="mouseup",s="resize",h="drag",i="enter",w="up",r="panedown",f="DOMMouseScroll",g="down",x="wheel",j="keydown",k="keyup",v="touchmove",d="Microsoft Internet Explorer"===b.navigator.appName&&/msie 7./i.test(b.navigator.appVersion)&&b.ActiveXObject,e=null,D=b.requestAnimationFrame,y=b.cancelAnimationFrame,F=c.createElement("div").style,H=function(){var a,b,c,d,e,f;for(d=["t","webkitT","MozT","msT","OT"],a=e=0,f=d.length;f>e;a=++e)if(c=d[a],b=d[a]+"ransform",b in F)return d[a].substr(0,d[a].length-1);return!1}(),G=function(a){return H===!1?!1:""===H?a:H+a.charAt(0).toUpperCase()+a.substr(1)},E=G("transform"),B=E!==!1,A=function(){var a,b,d;return a=c.createElement("div"),b=a.style,b.position="absolute",b.width="100px",b.height="100px",b.overflow=t,b.top="-9999px",c.body.appendChild(a),d=a.offsetWidth-a.clientWidth,c.body.removeChild(a),d},C=function(){var a,c,d;return c=b.navigator.userAgent,(a=/(?=.+Mac OS X)(?=.+Firefox)/.test(c))?(d=/Firefox\/\d{2}\./.exec(c),d&&(d=d[0].replace(/\D+/g,"")),a&&+d>23):!1},q=function(){function j(d,f){this.el=d,this.options=f,e||(e=A()),this.$el=a(this.el),this.doc=a(this.options.documentContext||c),this.win=a(this.options.windowContext||b),this.body=this.doc.find("body"),this.$content=this.$el.children("."+this.options.contentClass),this.$content.attr("tabindex",this.options.tabIndex||0),this.content=this.$content[0],this.previousPosition=0,this.options.iOSNativeScrolling&&null!=this.el.style.WebkitOverflowScrolling?this.nativeScrolling():this.generate(),this.createEvents(),this.addEvents(),this.reset()}return j.prototype.preventScrolling=function(a,b){if(this.isActive)if(a.type===f)(b===g&&a.originalEvent.detail>0||b===w&&a.originalEvent.detail<0)&&a.preventDefault();else if(a.type===p){if(!a.originalEvent||!a.originalEvent.wheelDelta)return;(b===g&&a.originalEvent.wheelDelta<0||b===w&&a.originalEvent.wheelDelta>0)&&a.preventDefault()}},j.prototype.nativeScrolling=function(){this.$content.css({WebkitOverflowScrolling:"touch"}),this.iOSNativeScrolling=!0,this.isActive=!0},j.prototype.updateScrollValues=function(){var a,b;a=this.content,this.maxScrollTop=a.scrollHeight-a.clientHeight,this.prevScrollTop=this.contentScrollTop||0,this.contentScrollTop=a.scrollTop,b=this.contentScrollTop>this.previousPosition?"down":this.contentScrollTop<this.previousPosition?"up":"same",this.previousPosition=this.contentScrollTop,"same"!==b&&this.$el.trigger("update",{position:this.contentScrollTop,maximum:this.maxScrollTop,direction:b}),this.iOSNativeScrolling||(this.maxSliderTop=this.paneHeight-this.sliderHeight,this.sliderTop=0===this.maxScrollTop?0:this.contentScrollTop*this.maxSliderTop/this.maxScrollTop)},j.prototype.setOnScrollStyles=function(){var a;B?(a={},a[E]="translate(0, "+this.sliderTop+"px)"):a={top:this.sliderTop},D?(y&&this.scrollRAF&&y(this.scrollRAF),this.scrollRAF=D(function(b){return function(){return b.scrollRAF=null,b.slider.css(a)}}(this))):this.slider.css(a)},j.prototype.createEvents=function(){this.events={down:function(a){return function(b){return a.isBeingDragged=!0,a.offsetY=b.pageY-a.slider.offset().top,a.slider.is(b.target)||(a.offsetY=0),a.pane.addClass(a.options.activeClass),a.doc.bind(n,a.events[h]).bind(o,a.events[w]),a.body.bind(m,a.events[i]),!1}}(this),drag:function(a){return function(b){return a.sliderY=b.pageY-a.$el.offset().top-a.paneTop-(a.offsetY||.5*a.sliderHeight),a.scroll(),a.contentScrollTop>=a.maxScrollTop&&a.prevScrollTop!==a.maxScrollTop?a.$el.trigger("scrollend"):0===a.contentScrollTop&&0!==a.prevScrollTop&&a.$el.trigger("scrolltop"),!1}}(this),up:function(a){return function(b){return a.isBeingDragged=!1,a.pane.removeClass(a.options.activeClass),a.doc.unbind(n,a.events[h]).unbind(o,a.events[w]),a.body.unbind(m,a.events[i]),!1}}(this),resize:function(a){return function(b){a.reset()}}(this),panedown:function(a){return function(b){return a.sliderY=(b.offsetY||b.originalEvent.layerY)-.5*a.sliderHeight,a.scroll(),a.events.down(b),!1}}(this),scroll:function(a){return function(b){a.updateScrollValues(),a.isBeingDragged||(a.iOSNativeScrolling||(a.sliderY=a.sliderTop,a.setOnScrollStyles()),null!=b&&(a.contentScrollTop>=a.maxScrollTop?(a.options.preventPageScrolling&&a.preventScrolling(b,g),a.prevScrollTop!==a.maxScrollTop&&a.$el.trigger("scrollend")):0===a.contentScrollTop&&(a.options.preventPageScrolling&&a.preventScrolling(b,w),0!==a.prevScrollTop&&a.$el.trigger("scrolltop"))))}}(this),wheel:function(a){return function(b){var c;if(null!=b)return c=b.delta||b.wheelDelta||b.originalEvent&&b.originalEvent.wheelDelta||-b.detail||b.originalEvent&&-b.originalEvent.detail,c&&(a.sliderY+=-c/3),a.scroll(),!1}}(this),enter:function(a){return function(b){var c;if(a.isBeingDragged)return 1!==(b.buttons||b.which)?(c=a.events)[w].apply(c,arguments):void 0}}(this)}},j.prototype.addEvents=function(){var a;this.removeEvents(),a=this.events,this.options.disableResize||this.win.bind(s,a[s]),this.iOSNativeScrolling||(this.slider.bind(l,a[g]),this.pane.bind(l,a[r]).bind(""+p+" "+f,a[x])),this.$content.bind(""+t+" "+p+" "+f+" "+v,a[t])},j.prototype.removeEvents=function(){var a;a=this.events,this.win.unbind(s,a[s]),this.iOSNativeScrolling||(this.slider.unbind(),this.pane.unbind()),this.$content.unbind(""+t+" "+p+" "+f+" "+v,a[t])},j.prototype.generate=function(){var a,c,d,f,g,h,i;return f=this.options,h=f.paneClass,i=f.sliderClass,a=f.contentClass,(g=this.$el.children("."+h)).length||g.children("."+i).length||this.$el.append('<div class="'+h+'"><div class="'+i+'" /></div>'),this.pane=this.$el.children("."+h),this.slider=this.pane.find("."+i),0===e&&C()?(d=b.getComputedStyle(this.content,null).getPropertyValue("padding-right").replace(/[^0-9.]+/g,""),c={right:-14,paddingRight:+d+14}):e&&(c={right:-e},this.$el.addClass(f.enabledClass)),null!=c&&this.$content.css(c),this},j.prototype.restore=function(){this.stopped=!1,this.iOSNativeScrolling||this.pane.show(),this.addEvents()},j.prototype.reset=function(){var a,b,c,f,g,h,i,j,k,l,m,n;return this.iOSNativeScrolling?void(this.contentHeight=this.content.scrollHeight):(this.$el.find("."+this.options.paneClass).length||this.generate().stop(),this.stopped&&this.restore(),a=this.content,f=a.style,g=f.overflowY,d&&this.$content.css({height:this.$content.height()}),b=a.scrollHeight+e,l=parseInt(this.$el.css("max-height"),10),l>0&&(this.$el.height(""),this.$el.height(a.scrollHeight>l?l:a.scrollHeight)),i=this.pane.outerHeight(!1),k=parseInt(this.pane.css("top"),10),h=parseInt(this.pane.css("bottom"),10),j=i+k+h,n=Math.round(j/b*i),n<this.options.sliderMinHeight?n=this.options.sliderMinHeight:null!=this.options.sliderMaxHeight&&n>this.options.sliderMaxHeight&&(n=this.options.sliderMaxHeight),g===t&&f.overflowX!==t&&(n+=e),this.maxSliderTop=j-n,this.contentHeight=b,this.paneHeight=i,this.paneOuterHeight=j,this.sliderHeight=n,this.paneTop=k,this.slider.height(n),this.events.scroll(),this.pane.show(),this.isActive=!0,a.scrollHeight===a.clientHeight||this.pane.outerHeight(!0)>=a.scrollHeight&&g!==t?(this.pane.hide(),this.isActive=!1):this.el.clientHeight===a.scrollHeight&&g===t?this.slider.hide():this.slider.show(),this.pane.css({opacity:this.options.alwaysVisible?1:"",visibility:this.options.alwaysVisible?"visible":""}),c=this.$content.css("position"),("static"===c||"relative"===c)&&(m=parseInt(this.$content.css("right"),10),m&&this.$content.css({right:"",marginRight:m})),this)},j.prototype.scroll=function(){return this.isActive?(this.sliderY=Math.max(0,this.sliderY),this.sliderY=Math.min(this.maxSliderTop,this.sliderY),this.$content.scrollTop(this.maxScrollTop*this.sliderY/this.maxSliderTop),this.iOSNativeScrolling||(this.updateScrollValues(),this.setOnScrollStyles()),this):void 0},j.prototype.scrollBottom=function(a){return this.isActive?(this.$content.scrollTop(this.contentHeight-this.$content.height()-a).trigger(p),this.stop().restore(),this):void 0},j.prototype.scrollTop=function(a){return this.isActive?(this.$content.scrollTop(+a).trigger(p),this.stop().restore(),this):void 0},j.prototype.scrollTo=function(a){return this.isActive?(this.scrollTop(this.$el.find(a).get(0).offsetTop),this):void 0},j.prototype.stop=function(){return y&&this.scrollRAF&&(y(this.scrollRAF),this.scrollRAF=null),this.stopped=!0,this.removeEvents(),this.iOSNativeScrolling||this.pane.hide(),this},j.prototype.destroy=function(){return this.stopped||this.stop(),!this.iOSNativeScrolling&&this.pane.length&&this.pane.remove(),d&&this.$content.height(""),this.$content.removeAttr("tabindex"),this.$el.hasClass(this.options.enabledClass)&&(this.$el.removeClass(this.options.enabledClass),this.$content.css({right:""})),this},j.prototype.flash=function(){return!this.iOSNativeScrolling&&this.isActive?(this.reset(),this.pane.addClass(this.options.flashedClass),setTimeout(function(a){return function(){a.pane.removeClass(a.options.flashedClass)}}(this),this.options.flashDelay),this):void 0},j}(),a.fn.nanoScroller=function(b){return this.each(function(){var c,d;if((d=this.nanoscroller)||(c=a.extend({},z,b),this.nanoscroller=d=new q(this,c)),b&&"object"==typeof b){if(a.extend(d.options,b),null!=b.scrollBottom)return d.scrollBottom(b.scrollBottom);if(null!=b.scrollTop)return d.scrollTop(b.scrollTop);if(b.scrollTo)return d.scrollTo(b.scrollTo);if("bottom"===b.scroll)return d.scrollBottom(0);if("top"===b.scroll)return d.scrollTop(0);if(b.scroll&&b.scroll instanceof a)return d.scrollTo(b.scroll);if(b.stop)return d.stop();if(b.destroy)return d.destroy();if(b.flash)return d.flash()}return d.reset()})},a.fn.nanoScroller.Constructor=q});
+//# sourceMappingURL=jquery.nanoscroller.min.js.map
\ No newline at end of file
diff --git a/web/lib/jquery.peity.min.js b/web/lib/jquery.peity.min.js
new file mode 100755
index 00000000..3d0166ee
--- /dev/null
+++ b/web/lib/jquery.peity.min.js
@@ -0,0 +1,13 @@
+// Peity jQuery plugin version 3.2.0
+// (c) 2015 Ben Pickles
+//
+// http://benpickles.github.io/peity
+//
+// Released under MIT license.
+(function(k,w,h,v){var d=k.fn.peity=function(a,b){y&&this.each(function(){var e=k(this),c=e.data("_peity");c?(a&&(c.type=a),k.extend(c.opts,b)):(c=new x(e,a,k.extend({},d.defaults[a],e.data("peity"),b)),e.change(function(){c.draw()}).data("_peity",c));c.draw()});return this},x=function(a,b,e){this.$el=a;this.type=b;this.opts=e},o=x.prototype,q=o.svgElement=function(a,b){return k(w.createElementNS("http://www.w3.org/2000/svg",a)).attr(b)},y="createElementNS"in w&&q("svg",{})[0].createSVGRect;o.draw=
+function(){var a=this.opts;d.graphers[this.type].call(this,a);a.after&&a.after.call(this,a)};o.fill=function(){var a=this.opts.fill;return k.isFunction(a)?a:function(b,e){return a[e%a.length]}};o.prepare=function(a,b){this.$svg||this.$el.hide().after(this.$svg=q("svg",{"class":"peity"}));return this.$svg.empty().data("peity",this).attr({height:b,width:a})};o.values=function(){return k.map(this.$el.text().split(this.opts.delimiter),function(a){return parseFloat(a)})};d.defaults={};d.graphers={};d.register=
+function(a,b,e){this.defaults[a]=b;this.graphers[a]=e};d.register("pie",{fill:["#ff9900","#fff4dd","#ffc66e"],radius:8},function(a){if(!a.delimiter){var b=this.$el.text().match(/[^0-9\.]/);a.delimiter=b?b[0]:","}b=k.map(this.values(),function(a){return 0<a?a:0});if("/"==a.delimiter)var e=b[0],b=[e,h.max(0,b[1]-e)];for(var c=0,e=b.length,t=0;c<e;c++)t+=b[c];t||(e=2,t=1,b=[0,1]);var l=2*a.radius,l=this.prepare(a.width||l,a.height||l),c=l.width(),f=l.height(),j=c/2,d=f/2,f=h.min(j,d),a=a.innerRadius;
+"donut"==this.type&&!a&&(a=0.5*f);for(var r=h.PI,s=this.fill(),g=this.scale=function(a,b){var c=a/t*r*2-r/2;return[b*h.cos(c)+j,b*h.sin(c)+d]},m=0,c=0;c<e;c++){var u=b[c],i=u/t;if(0!=i){if(1==i)if(a)var i=j-0.01,p=d-f,n=d-a,i=q("path",{d:["M",j,p,"A",f,f,0,1,1,i,p,"L",i,n,"A",a,a,0,1,0,j,n].join(" ")});else i=q("circle",{cx:j,cy:d,r:f});else p=m+u,n=["M"].concat(g(m,f),"A",f,f,0,0.5<i?1:0,1,g(p,f),"L"),a?n=n.concat(g(p,a),"A",a,a,0,0.5<i?1:0,0,g(m,a)):n.push(j,d),m+=u,i=q("path",{d:n.join(" ")});
+i.attr("fill",s.call(this,u,c,b));l.append(i)}}});d.register("donut",k.extend(!0,{},d.defaults.pie),function(a){d.graphers.pie.call(this,a)});d.register("line",{delimiter:",",fill:"#c6d9fd",height:16,min:0,stroke:"#4d89f9",strokeWidth:1,width:32},function(a){var b=this.values();1==b.length&&b.push(b[0]);for(var e=h.max.apply(h,a.max==v?b:b.concat(a.max)),c=h.min.apply(h,a.min==v?b:b.concat(a.min)),d=this.prepare(a.width,a.height),l=a.strokeWidth,f=d.width(),j=d.height()-l,k=e-c,e=this.x=function(a){return a*
+(f/(b.length-1))},r=this.y=function(a){var b=j;k&&(b-=(a-c)/k*j);return b+l/2},s=r(h.max(c,0)),g=[0,s],m=0;m<b.length;m++)g.push(e(m),r(b[m]));g.push(f,s);a.fill&&d.append(q("polygon",{fill:a.fill,points:g.join(" ")}));l&&d.append(q("polyline",{fill:"none",points:g.slice(2,g.length-2).join(" "),stroke:a.stroke,"stroke-width":l,"stroke-linecap":"square"}))});d.register("bar",{delimiter:",",fill:["#4D89F9"],height:16,min:0,padding:0.1,width:32},function(a){for(var b=this.values(),e=h.max.apply(h,a.max==
+v?b:b.concat(a.max)),c=h.min.apply(h,a.min==v?b:b.concat(a.min)),d=this.prepare(a.width,a.height),l=d.width(),f=d.height(),j=e-c,a=a.padding,k=this.fill(),r=this.x=function(a){return a*l/b.length},s=this.y=function(a){return f-(j?(a-c)/j*f:1)},g=0;g<b.length;g++){var m=r(g+a),u=r(g+1-a)-m,i=b[g],p=s(i),n=p,o;j?0>i?n=s(h.min(e,0)):p=s(h.max(c,0)):o=1;o=p-n;0==o&&(o=1,0<e&&j&&n--);d.append(q("rect",{fill:k.call(this,i,g,b),x:m,y:n,width:u,height:o}))}})})(jQuery,document,Math);
diff --git a/web/lib/jquery.sparkline.min.js b/web/lib/jquery.sparkline.min.js
new file mode 100755
index 00000000..fa616bf9
--- /dev/null
+++ b/web/lib/jquery.sparkline.min.js
@@ -0,0 +1,5 @@
+/* jquery.sparkline 2.1.2 - http://omnipotent.net/jquery.sparkline/ 
+** Licensed under the New BSD License - see above site for details */
+
+(function(a,b,c){(function(a){typeof define=="function"&&define.amd?define(["jquery"],a):jQuery&&!jQuery.fn.sparkline&&a(jQuery)})(function(d){"use strict";var e={},f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D,E,F,G,H,I,J,K,L=0;f=function(){return{common:{type:"line",lineColor:"#00f",fillColor:"#cdf",defaultPixelsPerValue:3,width:"auto",height:"auto",composite:!1,tagValuesAttribute:"values",tagOptionsPrefix:"spark",enableTagOptions:!1,enableHighlight:!0,highlightLighten:1.4,tooltipSkipNull:!0,tooltipPrefix:"",tooltipSuffix:"",disableHiddenCheck:!1,numberFormatter:!1,numberDigitGroupCount:3,numberDigitGroupSep:",",numberDecimalMark:".",disableTooltips:!1,disableInteraction:!1},line:{spotColor:"#f80",highlightSpotColor:"#5f5",highlightLineColor:"#f22",spotRadius:1.5,minSpotColor:"#f80",maxSpotColor:"#f80",lineWidth:1,normalRangeMin:c,normalRangeMax:c,normalRangeColor:"#ccc",drawNormalOnTop:!1,chartRangeMin:c,chartRangeMax:c,chartRangeMinX:c,chartRangeMaxX:c,tooltipFormat:new 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a=this.currentRegion,b=this.target,d=this.vertices[a],e=this.options,f=e.get("spotRadius"),g=e.get("highlightSpotColor"),h=e.get("highlightLineColor"),i,j;if(!d)return;f&&g&&(i=b.drawCircle(d[0],d[1],f,c,g),this.highlightSpotId=i.id,b.insertAfterShape(this.lastShapeId,i)),h&&(j=b.drawLine(d[0],this.canvasTop,d[0],this.canvasTop+this.canvasHeight,h),this.highlightLineId=j.id,b.insertAfterShape(this.lastShapeId,j))},removeHighlight:function(){var a=this.target;this.highlightSpotId&&(a.removeShapeId(this.highlightSpotId),this.highlightSpotId=null),this.highlightLineId&&(a.removeShapeId(this.highlightLineId),this.highlightLineId=null)},scanValues:function(){var a=this.values,c=a.length,d=this.xvalues,e=this.yvalues,f=this.yminmax,g,h,i,j,k;for(g=0;g<c;g++)h=a[g],i=typeof a[g]=="string",j=typeof a[g]=="object"&&a[g]instanceof Array,k=i&&a[g].split(":"),i&&k.length===2?(d.push(Number(k[0])),e.push(Number(k[1])),f.push(Number(k[1]))):j?(d.push(h[0]),e.push(h[1]),f.push(h[1])):(d.push(g),a[g]===null||a[g]==="null"?e.push(null):(e.push(Number(h)),f.push(Number(h))));this.options.get("xvalues")&&(d=this.options.get("xvalues")),this.maxy=this.maxyorg=b.max.apply(b,f),this.miny=this.minyorg=b.min.apply(b,f),this.maxx=b.max.apply(b,d),this.minx=b.min.apply(b,d),this.xvalues=d,this.yvalues=e,this.yminmax=f},processRangeOptions:function(){var a=this.options,b=a.get("normalRangeMin"),d=a.get("normalRangeMax");b!==c&&(b<this.miny&&(this.miny=b),d>this.maxy&&(this.maxy=d)),a.get("chartRangeMin")!==c&&(a.get("chartRangeClip")||a.get("chartRangeMin")<this.miny)&&(this.miny=a.get("chartRangeMin")),a.get("chartRangeMax")!==c&&(a.get("chartRangeClip")||a.get("chartRangeMax")>this.maxy)&&(this.maxy=a.get("chartRangeMax")),a.get("chartRangeMinX")!==c&&(a.get("chartRangeClipX")||a.get("chartRangeMinX")<this.minx)&&(this.minx=a.get("chartRangeMinX")),a.get("chartRangeMaxX")!==c&&(a.get("chartRangeClipX")||a.get("chartRangeMaxX")>this.maxx)&&(this.maxx=a.get("chartRangeMaxX"))},drawNormalRange:function(a,d,e,f,g){var h=this.options.get("normalRangeMin"),i=this.options.get("normalRangeMax"),j=d+b.round(e-e*((i-this.miny)/g)),k=b.round(e*(i-h)/g);this.target.drawRect(a,j,f,k,c,this.options.get("normalRangeColor")).append()},render:function(){var a=this.options,e=this.target,f=this.canvasWidth,g=this.canvasHeight,h=this.vertices,i=a.get("spotRadius"),j=this.regionMap,k,l,m,n,o,p,q,r,s,u,v,w,y,z,A,B,C,D,E,F,G,H,I,J,K;if(!x._super.render.call(this))return;this.scanValues(),this.processRangeOptions(),I=this.xvalues,J=this.yvalues;if(!this.yminmax.length||this.yvalues.length<2)return;n=o=0,k=this.maxx-this.minx===0?1:this.maxx-this.minx,l=this.maxy-this.miny===0?1:this.maxy-this.miny,m=this.yvalues.length-1,i&&(f<i*4||g<i*4)&&(i=0);if(i){G=a.get("highlightSpotColor")&&!a.get("disableInteraction");if(G||a.get("minSpotColor")||a.get("spotColor")&&J[m]===this.miny)g-=b.ceil(i);if(G||a.get("maxSpotColor")||a.get("spotColor")&&J[m]===this.maxy)g-=b.ceil(i),n+=b.ceil(i);if(G||(a.get("minSpotColor")||a.get("maxSpotColor"))&&(J[0]===this.miny||J[0]===this.maxy))o+=b.ceil(i),f-=b.ceil(i);if(G||a.get("spotColor")||a.get("minSpotColor")||a.get("maxSpotColor")&&(J[m]===this.miny||J[m]===this.maxy))f-=b.ceil(i)}g--,a.get("normalRangeMin")!==c&&!a.get("drawNormalOnTop")&&this.drawNormalRange(o,n,g,f,l),q=[],r=[q],z=A=null,B=J.length;for(K=0;K<B;K++)s=I[K],v=I[K+1],u=J[K],w=o+b.round((s-this.minx)*(f/k)),y=K<B-1?o+b.round((v-this.minx)*(f/k)):f,A=w+(y-w)/2,j[K]=[z||0,A,K],z=A,u===null?K&&(J[K-1]!==null&&(q=[],r.push(q)),h.push(null)):(u<this.miny&&(u=this.miny),u>this.maxy&&(u=this.maxy),q.length||q.push([w,n+g]),p=[w,n+b.round(g-g*((u-this.miny)/l))],q.push(p),h.push(p));C=[],D=[],E=r.length;for(K=0;K<E;K++)q=r[K],q.length&&(a.get("fillColor")&&(q.push([q[q.length-1][0],n+g]),D.push(q.slice(0)),q.pop()),q.length>2&&(q[0]=[q[0][0],q[1][1]]),C.push(q));E=D.length;for(K=0;K<E;K++)e.drawShape(D[K],a.get("fillColor"),a.get("fillColor")).append();a.get("normalRangeMin")!==c&&a.get("drawNormalOnTop")&&this.drawNormalRange(o,n,g,f,l),E=C.length;for(K=0;K<E;K++)e.drawShape(C[K],a.get("lineColor"),c,a.get("lineWidth")).append();if(i&&a.get("valueSpots")){F=a.get("valueSpots"),F.get===c&&(F=new t(F));for(K=0;K<B;K++)H=F.get(J[K]),H&&e.drawCircle(o+b.round((I[K]-this.minx)*(f/k)),n+b.round(g-g*((J[K]-this.miny)/l)),i,c,H).append()}i&&a.get("spotColor")&&J[m]!==null&&e.drawCircle(o+b.round((I[I.length-1]-this.minx)*(f/k)),n+b.round(g-g*((J[m]-this.miny)/l)),i,c,a.get("spotColor")).append(),this.maxy!==this.minyorg&&(i&&a.get("minSpotColor")&&(s=I[d.inArray(this.minyorg,J)],e.drawCircle(o+b.round((s-this.minx)*(f/k)),n+b.round(g-g*((this.minyorg-this.miny)/l)),i,c,a.get("minSpotColor")).append()),i&&a.get("maxSpotColor")&&(s=I[d.inArray(this.maxyorg,J)],e.drawCircle(o+b.round((s-this.minx)*(f/k)),n+b.round(g-g*((this.maxyorg-this.miny)/l)),i,c,a.get("maxSpotColor")).append())),this.lastShapeId=e.getLastShapeId(),this.canvasTop=n,e.render()}}),d.fn.sparkline.bar=y=g(d.fn.sparkline._base,w,{type:"bar",init:function(a,e,f,g,h){var j=parseInt(f.get("barWidth"),10),n=parseInt(f.get("barSpacing"),10),o=f.get("chartRangeMin"),p=f.get("chartRangeMax"),q=f.get("chartRangeClip"),r=Infinity,s=-Infinity,u,v,w,x,z,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R;y._super.init.call(this,a,e,f,g,h);for(A=0,B=e.length;A<B;A++){O=e[A],u=typeof O=="string"&&O.indexOf(":")>-1;if(u||d.isArray(O))J=!0,u&&(O=e[A]=l(O.split(":"))),O=m(O,null),v=b.min.apply(b,O),w=b.max.apply(b,O),v<r&&(r=v),w>s&&(s=w)}this.stacked=J,this.regionShapes={},this.barWidth=j,this.barSpacing=n,this.totalBarWidth=j+n,this.width=g=e.length*j+(e.length-1)*n,this.initTarget(),q&&(H=o===c?-Infinity:o,I=p===c?Infinity:p),z=[],x=J?[]:z;var S=[],T=[];for(A=0,B=e.length;A<B;A++)if(J){K=e[A],e[A]=N=[],S[A]=0,x[A]=T[A]=0;for(L=0,M=K.length;L<M;L++)O=N[L]=q?i(K[L],H,I):K[L],O!==null&&(O>0&&(S[A]+=O),r<0&&s>0?O<0?T[A]+=b.abs(O):x[A]+=O:x[A]+=b.abs(O-(O<0?s:r)),z.push(O))}else O=q?i(e[A],H,I):e[A],O=e[A]=k(O),O!==null&&z.push(O);this.max=G=b.max.apply(b,z),this.min=F=b.min.apply(b,z),this.stackMax=s=J?b.max.apply(b,S):G,this.stackMin=r=J?b.min.apply(b,z):F,f.get("chartRangeMin")!==c&&(f.get("chartRangeClip")||f.get("chartRangeMin")<F)&&(F=f.get("chartRangeMin")),f.get("chartRangeMax")!==c&&(f.get("chartRangeClip")||f.get("chartRangeMax")>G)&&(G=f.get("chartRangeMax")),this.zeroAxis=D=f.get("zeroAxis",!0),F<=0&&G>=0&&D?E=0:D==0?E=F:F>0?E=F:E=G,this.xaxisOffset=E,C=J?b.max.apply(b,x)+b.max.apply(b,T):G-F,this.canvasHeightEf=D&&F<0?this.canvasHeight-2:this.canvasHeight-1,F<E?(Q=J&&G>=0?s:G,P=(Q-E)/C*this.canvasHeight,P!==b.ceil(P)&&(this.canvasHeightEf-=2,P=b.ceil(P))):P=this.canvasHeight,this.yoffset=P,d.isArray(f.get("colorMap"))?(this.colorMapByIndex=f.get("colorMap"),this.colorMapByValue=null):(this.colorMapByIndex=null,this.colorMapByValue=f.get("colorMap"),this.colorMapByValue&&this.colorMapByValue.get===c&&(this.colorMapByValue=new t(this.colorMapByValue))),this.range=C},getRegion:function(a,d,e){var f=b.floor(d/this.totalBarWidth);return f<0||f>=this.values.length?c:f},getCurrentRegionFields:function(){var a=this.currentRegion,b=r(this.values[a]),c=[],d,e;for(e=b.length;e--;)d=b[e],c.push({isNull:d===null,value:d,color:this.calcColor(e,d,a),offset:a});return c},calcColor:function(a,b,e){var f=this.colorMapByIndex,g=this.colorMapByValue,h=this.options,i,j;return this.stacked?i=h.get("stackedBarColor"):i=b<0?h.get("negBarColor"):h.get("barColor"),b===0&&h.get("zeroColor")!==c&&(i=h.get("zeroColor")),g&&(j=g.get(b))?i=j:f&&f.length>e&&(i=f[e]),d.isArray(i)?i[a%i.length]:i},renderRegion:function(a,e){var f=this.values[a],g=this.options,h=this.xaxisOffset,i=[],j=this.range,k=this.stacked,l=this.target,m=a*this.totalBarWidth,n=this.canvasHeightEf,p=this.yoffset,q,r,s,t,u,v,w,x,y,z;f=d.isArray(f)?f:[f],w=f.length,x=f[0],t=o(null,f),z=o(h,f,!0);if(t)return g.get("nullColor")?(s=e?g.get("nullColor"):this.calcHighlightColor(g.get("nullColor"),g),q=p>0?p-1:p,l.drawRect(m,q,this.barWidth-1,0,s,s)):c;u=p;for(v=0;v<w;v++){x=f[v];if(k&&x===h){if(!z||y)continue;y=!0}j>0?r=b.floor(n*(b.abs(x-h)/j))+1:r=1,x<h||x===h&&p===0?(q=u,u+=r):(q=p-r,p-=r),s=this.calcColor(v,x,a),e&&(s=this.calcHighlightColor(s,g)),i.push(l.drawRect(m,q,this.barWidth-1,r-1,s,s))}return i.length===1?i[0]:i}}),d.fn.sparkline.tristate=z=g(d.fn.sparkline._base,w,{type:"tristate",init:function(a,b,e,f,g){var h=parseInt(e.get("barWidth"),10),i=parseInt(e.get("barSpacing"),10);z._super.init.call(this,a,b,e,f,g),this.regionShapes={},this.barWidth=h,this.barSpacing=i,this.totalBarWidth=h+i,this.values=d.map(b,Number),this.width=f=b.length*h+(b.length-1)*i,d.isArray(e.get("colorMap"))?(this.colorMapByIndex=e.get("colorMap"),this.colorMapByValue=null):(this.colorMapByIndex=null,this.colorMapByValue=e.get("colorMap"),this.colorMapByValue&&this.colorMapByValue.get===c&&(this.colorMapByValue=new t(this.colorMapByValue))),this.initTarget()},getRegion:function(a,c,d){return b.floor(c/this.totalBarWidth)},getCurrentRegionFields:function(){var a=this.currentRegion;return{isNull:this.values[a]===c,value:this.values[a],color:this.calcColor(this.values[a],a),offset:a}},calcColor:function(a,b){var c=this.values,d=this.options,e=this.colorMapByIndex,f=this.colorMapByValue,g,h;return f&&(h=f.get(a))?g=h:e&&e.length>b?g=e[b]:c[b]<0?g=d.get("negBarColor"):c[b]>0?g=d.get("posBarColor"):g=d.get("zeroBarColor"),g},renderRegion:function(a,c){var d=this.values,e=this.options,f=this.target,g,h,i,j,k,l;g=f.pixelHeight,i=b.round(g/2),j=a*this.totalBarWidth,d[a]<0?(k=i,h=i-1):d[a]>0?(k=0,h=i-1):(k=i-1,h=2),l=this.calcColor(d[a],a);if(l===null)return;return c&&(l=this.calcHighlightColor(l,e)),f.drawRect(j,k,this.barWidth-1,h-1,l,l)}}),d.fn.sparkline.discrete=A=g(d.fn.sparkline._base,w,{type:"discrete",init:function(a,e,f,g,h){A._super.init.call(this,a,e,f,g,h),this.regionShapes={},this.values=e=d.map(e,Number),this.min=b.min.apply(b,e),this.max=b.max.apply(b,e),this.range=this.max-this.min,this.width=g=f.get("width")==="auto"?e.length*2:this.width,this.interval=b.floor(g/e.length),this.itemWidth=g/e.length,f.get("chartRangeMin")!==c&&(f.get("chartRangeClip")||f.get("chartRangeMin")<this.min)&&(this.min=f.get("chartRangeMin")),f.get("chartRangeMax")!==c&&(f.get("chartRangeClip")||f.get("chartRangeMax")>this.max)&&(this.max=f.get("chartRangeMax")),this.initTarget(),this.target&&(this.lineHeight=f.get("lineHeight")==="auto"?b.round(this.canvasHeight*.3):f.get("lineHeight"))},getRegion:function(a,c,d){return b.floor(c/this.itemWidth)},getCurrentRegionFields:function(){var a=this.currentRegion;return{isNull:this.values[a]===c,value:this.values[a],offset:a}},renderRegion:function(a,c){var d=this.values,e=this.options,f=this.min,g=this.max,h=this.range,j=this.interval,k=this.target,l=this.canvasHeight,m=this.lineHeight,n=l-m,o,p,q,r;return p=i(d[a],f,g),r=a*j,o=b.round(n-n*((p-f)/h)),q=e.get("thresholdColor")&&p<e.get("thresholdValue")?e.get("thresholdColor"):e.get("lineColor"),c&&(q=this.calcHighlightColor(q,e)),k.drawLine(r,o,r,o+m,q)}}),d.fn.sparkline.bullet=B=g(d.fn.sparkline._base,{type:"bullet",init:function(a,d,e,f,g){var h,i,j;B._super.init.call(this,a,d,e,f,g),this.values=d=l(d),j=d.slice(),j[0]=j[0]===null?j[2]:j[0],j[1]=d[1]===null?j[2]:j[1],h=b.min.apply(b,d),i=b.max.apply(b,d),e.get("base")===c?h=h<0?h:0:h=e.get("base"),this.min=h,this.max=i,this.range=i-h,this.shapes={},this.valueShapes={},this.regiondata={},this.width=f=e.get("width")==="auto"?"4.0em":f,this.target=this.$el.simpledraw(f,g,e.get("composite")),d.length||(this.disabled=!0),this.initTarget()},getRegion:function(a,b,d){var e=this.target.getShapeAt(a,b,d);return e!==c&&this.shapes[e]!==c?this.shapes[e]:c},getCurrentRegionFields:function(){var a=this.currentRegion;return{fieldkey:a.substr(0,1),value:this.values[a.substr(1)],region:a}},changeHighlight:function(a){var b=this.currentRegion,c=this.valueShapes[b],d;delete this.shapes[c];switch(b.substr(0,1)){case"r":d=this.renderRange(b.substr(1),a);break;case"p":d=this.renderPerformance(a);break;case"t":d=this.renderTarget(a)}this.valueShapes[b]=d.id,this.shapes[d.id]=b,this.target.replaceWithShape(c,d)},renderRange:function(a,c){var d=this.values[a],e=b.round(this.canvasWidth*((d-this.min)/this.range)),f=this.options.get("rangeColors")[a-2];return c&&(f=this.calcHighlightColor(f,this.options)),this.target.drawRect(0,0,e-1,this.canvasHeight-1,f,f)},renderPerformance:function(a){var c=this.values[1],d=b.round(this.canvasWidth*((c-this.min)/this.range)),e=this.options.get("performanceColor");return a&&(e=this.calcHighlightColor(e,this.options)),this.target.drawRect(0,b.round(this.canvasHeight*.3),d-1,b.round(this.canvasHeight*.4)-1,e,e)},renderTarget:function(a){var c=this.values[0],d=b.round(this.canvasWidth*((c-this.min)/this.range)-this.options.get("targetWidth")/2),e=b.round(this.canvasHeight*.1),f=this.canvasHeight-e*2,g=this.options.get("targetColor");return a&&(g=this.calcHighlightColor(g,this.options)),this.target.drawRect(d,e,this.options.get("targetWidth")-1,f-1,g,g)},render:function(){var a=this.values.length,b=this.target,c,d;if(!B._super.render.call(this))return;for(c=2;c<a;c++)d=this.renderRange(c).append(),this.shapes[d.id]="r"+c,this.valueShapes["r"+c]=d.id;this.values[1]!==null&&(d=this.renderPerformance().append(),this.shapes[d.id]="p1",this.valueShapes.p1=d.id),this.values[0]!==null&&(d=this.renderTarget().append(),this.shapes[d.id]="t0",this.valueShapes.t0=d.id),b.render()}}),d.fn.sparkline.pie=C=g(d.fn.sparkline._base,{type:"pie",init:function(a,c,e,f,g){var h=0,i;C._super.init.call(this,a,c,e,f,g),this.shapes={},this.valueShapes={},this.values=c=d.map(c,Number),e.get("width")==="auto"&&(this.width=this.height);if(c.length>0)for(i=c.length;i--;)h+=c[i];this.total=h,this.initTarget(),this.radius=b.floor(b.min(this.canvasWidth,this.canvasHeight)/2)},getRegion:function(a,b,d){var e=this.target.getShapeAt(a,b,d);return e!==c&&this.shapes[e]!==c?this.shapes[e]:c},getCurrentRegionFields:function(){var a=this.currentRegion;return{isNull:this.values[a]===c,value:this.values[a],percent:this.values[a]/this.total*100,color:this.options.get("sliceColors")[a%this.options.get("sliceColors").length],offset:a}},changeHighlight:function(a){var b=this.currentRegion,c=this.renderSlice(b,a),d=this.valueShapes[b];delete this.shapes[d],this.target.replaceWithShape(d,c),this.valueShapes[b]=c.id,this.shapes[c.id]=b},renderSlice:function(a,d){var e=this.target,f=this.options,g=this.radius,h=f.get("borderWidth"),i=f.get("offset"),j=2*b.PI,k=this.values,l=this.total,m=i?2*b.PI*(i/360):0,n,o,p,q,r;q=k.length;for(p=0;p<q;p++){n=m,o=m,l>0&&(o=m+j*(k[p]/l));if(a===p)return r=f.get("sliceColors")[p%f.get("sliceColors").length],d&&(r=this.calcHighlightColor(r,f)),e.drawPieSlice(g,g,g-h,n,o,c,r);m=o}},render:function(){var a=this.target,d=this.values,e=this.options,f=this.radius,g=e.get("borderWidth"),h,i;if(!C._super.render.call(this))return;g&&a.drawCircle(f,f,b.floor(f-g/2),e.get("borderColor"),c,g).append();for(i=d.length;i--;)d[i]&&(h=this.renderSlice(i).append(),this.valueShapes[i]=h.id,this.shapes[h.id]=i);a.render()}}),d.fn.sparkline.box=D=g(d.fn.sparkline._base,{type:"box",init:function(a,b,c,e,f){D._super.init.call(this,a,b,c,e,f),this.values=d.map(b,Number),this.width=c.get("width")==="auto"?"4.0em":e,this.initTarget(),this.values.length||(this.disabled=1)},getRegion:function(){return 1},getCurrentRegionFields:function(){var a=[{field:"lq",value:this.quartiles[0]},{field:"med",value:this.quartiles
+[1]},{field:"uq",value:this.quartiles[2]}];return this.loutlier!==c&&a.push({field:"lo",value:this.loutlier}),this.routlier!==c&&a.push({field:"ro",value:this.routlier}),this.lwhisker!==c&&a.push({field:"lw",value:this.lwhisker}),this.rwhisker!==c&&a.push({field:"rw",value:this.rwhisker}),a},render:function(){var a=this.target,d=this.values,e=d.length,f=this.options,g=this.canvasWidth,h=this.canvasHeight,i=f.get("chartRangeMin")===c?b.min.apply(b,d):f.get("chartRangeMin"),k=f.get("chartRangeMax")===c?b.max.apply(b,d):f.get("chartRangeMax"),l=0,m,n,o,p,q,r,s,t,u,v,w;if(!D._super.render.call(this))return;if(f.get("raw"))f.get("showOutliers")&&d.length>5?(n=d[0],m=d[1],p=d[2],q=d[3],r=d[4],s=d[5],t=d[6]):(m=d[0],p=d[1],q=d[2],r=d[3],s=d[4]);else{d.sort(function(a,b){return a-b}),p=j(d,1),q=j(d,2),r=j(d,3),o=r-p;if(f.get("showOutliers")){m=s=c;for(u=0;u<e;u++)m===c&&d[u]>p-o*f.get("outlierIQR")&&(m=d[u]),d[u]<r+o*f.get("outlierIQR")&&(s=d[u]);n=d[0],t=d[e-1]}else m=d[0],s=d[e-1]}this.quartiles=[p,q,r],this.lwhisker=m,this.rwhisker=s,this.loutlier=n,this.routlier=t,w=g/(k-i+1),f.get("showOutliers")&&(l=b.ceil(f.get("spotRadius")),g-=2*b.ceil(f.get("spotRadius")),w=g/(k-i+1),n<m&&a.drawCircle((n-i)*w+l,h/2,f.get("spotRadius"),f.get("outlierLineColor"),f.get("outlierFillColor")).append(),t>s&&a.drawCircle((t-i)*w+l,h/2,f.get("spotRadius"),f.get("outlierLineColor"),f.get("outlierFillColor")).append()),a.drawRect(b.round((p-i)*w+l),b.round(h*.1),b.round((r-p)*w),b.round(h*.8),f.get("boxLineColor"),f.get("boxFillColor")).append(),a.drawLine(b.round((m-i)*w+l),b.round(h/2),b.round((p-i)*w+l),b.round(h/2),f.get("lineColor")).append(),a.drawLine(b.round((m-i)*w+l),b.round(h/4),b.round((m-i)*w+l),b.round(h-h/4),f.get("whiskerColor")).append(),a.drawLine(b.round((s-i)*w+l),b.round(h/2),b.round((r-i)*w+l),b.round(h/2),f.get("lineColor")).append(),a.drawLine(b.round((s-i)*w+l),b.round(h/4),b.round((s-i)*w+l),b.round(h-h/4),f.get("whiskerColor")).append(),a.drawLine(b.round((q-i)*w+l),b.round(h*.1),b.round((q-i)*w+l),b.round(h*.9),f.get("medianColor")).append(),f.get("target")&&(v=b.ceil(f.get("spotRadius")),a.drawLine(b.round((f.get("target")-i)*w+l),b.round(h/2-v),b.round((f.get("target")-i)*w+l),b.round(h/2+v),f.get("targetColor")).append(),a.drawLine(b.round((f.get("target")-i)*w+l-v),b.round(h/2),b.round((f.get("target")-i)*w+l+v),b.round(h/2),f.get("targetColor")).append()),a.render()}}),G=g({init:function(a,b,c,d){this.target=a,this.id=b,this.type=c,this.args=d},append:function(){return this.target.appendShape(this),this}}),H=g({_pxregex:/(\d+)(px)?\s*$/i,init:function(a,b,c){if(!a)return;this.width=a,this.height=b,this.target=c,this.lastShapeId=null,c[0]&&(c=c[0]),d.data(c,"_jqs_vcanvas",this)},drawLine:function(a,b,c,d,e,f){return this.drawShape([[a,b],[c,d]],e,f)},drawShape:function(a,b,c,d){return this._genShape("Shape",[a,b,c,d])},drawCircle:function(a,b,c,d,e,f){return this._genShape("Circle",[a,b,c,d,e,f])},drawPieSlice:function(a,b,c,d,e,f,g){return this._genShape("PieSlice",[a,b,c,d,e,f,g])},drawRect:function(a,b,c,d,e,f){return this._genShape("Rect",[a,b,c,d,e,f])},getElement:function(){return this.canvas},getLastShapeId:function(){return this.lastShapeId},reset:function(){alert("reset not implemented")},_insert:function(a,b){d(b).html(a)},_calculatePixelDims:function(a,b,c){var e;e=this._pxregex.exec(b),e?this.pixelHeight=e[1]:this.pixelHeight=d(c).height(),e=this._pxregex.exec(a),e?this.pixelWidth=e[1]:this.pixelWidth=d(c).width()},_genShape:function(a,b){var c=L++;return b.unshift(c),new G(this,c,a,b)},appendShape:function(a){alert("appendShape not implemented")},replaceWithShape:function(a,b){alert("replaceWithShape not implemented")},insertAfterShape:function(a,b){alert("insertAfterShape not implemented")},removeShapeId:function(a){alert("removeShapeId not implemented")},getShapeAt:function(a,b,c){alert("getShapeAt not implemented")},render:function(){alert("render not implemented")}}),I=g(H,{init:function(b,e,f,g){I._super.init.call(this,b,e,f),this.canvas=a.createElement("canvas"),f[0]&&(f=f[0]),d.data(f,"_jqs_vcanvas",this),d(this.canvas).css({display:"inline-block",width:b,height:e,verticalAlign:"top"}),this._insert(this.canvas,f),this._calculatePixelDims(b,e,this.canvas),this.canvas.width=this.pixelWidth,this.canvas.height=this.pixelHeight,this.interact=g,this.shapes={},this.shapeseq=[],this.currentTargetShapeId=c,d(this.canvas).css({width:this.pixelWidth,height:this.pixelHeight})},_getContext:function(a,b,d){var e=this.canvas.getContext("2d");return a!==c&&(e.strokeStyle=a),e.lineWidth=d===c?1:d,b!==c&&(e.fillStyle=b),e},reset:function(){var a=this._getContext();a.clearRect(0,0,this.pixelWidth,this.pixelHeight),this.shapes={},this.shapeseq=[],this.currentTargetShapeId=c},_drawShape:function(a,b,d,e,f){var g=this._getContext(d,e,f),h,i;g.beginPath(),g.moveTo(b[0][0]+.5,b[0][1]+.5);for(h=1,i=b.length;h<i;h++)g.lineTo(b[h][0]+.5,b[h][1]+.5);d!==c&&g.stroke(),e!==c&&g.fill(),this.targetX!==c&&this.targetY!==c&&g.isPointInPath(this.targetX,this.targetY)&&(this.currentTargetShapeId=a)},_drawCircle:function(a,d,e,f,g,h,i){var j=this._getContext(g,h,i);j.beginPath(),j.arc(d,e,f,0,2*b.PI,!1),this.targetX!==c&&this.targetY!==c&&j.isPointInPath(this.targetX,this.targetY)&&(this.currentTargetShapeId=a),g!==c&&j.stroke(),h!==c&&j.fill()},_drawPieSlice:function(a,b,d,e,f,g,h,i){var j=this._getContext(h,i);j.beginPath(),j.moveTo(b,d),j.arc(b,d,e,f,g,!1),j.lineTo(b,d),j.closePath(),h!==c&&j.stroke(),i&&j.fill(),this.targetX!==c&&this.targetY!==c&&j.isPointInPath(this.targetX,this.targetY)&&(this.currentTargetShapeId=a)},_drawRect:function(a,b,c,d,e,f,g){return this._drawShape(a,[[b,c],[b+d,c],[b+d,c+e],[b,c+e],[b,c]],f,g)},appendShape:function(a){return this.shapes[a.id]=a,this.shapeseq.push(a.id),this.lastShapeId=a.id,a.id},replaceWithShape:function(a,b){var c=this.shapeseq,d;this.shapes[b.id]=b;for(d=c.length;d--;)c[d]==a&&(c[d]=b.id);delete this.shapes[a]},replaceWithShapes:function(a,b){var c=this.shapeseq,d={},e,f,g;for(f=a.length;f--;)d[a[f]]=!0;for(f=c.length;f--;)e=c[f],d[e]&&(c.splice(f,1),delete this.shapes[e],g=f);for(f=b.length;f--;)c.splice(g,0,b[f].id),this.shapes[b[f].id]=b[f]},insertAfterShape:function(a,b){var c=this.shapeseq,d;for(d=c.length;d--;)if(c[d]===a){c.splice(d+1,0,b.id),this.shapes[b.id]=b;return}},removeShapeId:function(a){var b=this.shapeseq,c;for(c=b.length;c--;)if(b[c]===a){b.splice(c,1);break}delete this.shapes[a]},getShapeAt:function(a,b,c){return this.targetX=b,this.targetY=c,this.render(),this.currentTargetShapeId},render:function(){var a=this.shapeseq,b=this.shapes,c=a.length,d=this._getContext(),e,f,g;d.clearRect(0,0,this.pixelWidth,this.pixelHeight);for(g=0;g<c;g++)e=a[g],f=b[e],this["_draw"+f.type].apply(this,f.args);this.interact||(this.shapes={},this.shapeseq=[])}}),J=g(H,{init:function(b,c,e){var f;J._super.init.call(this,b,c,e),e[0]&&(e=e[0]),d.data(e,"_jqs_vcanvas",this),this.canvas=a.createElement("span"),d(this.canvas).css({display:"inline-block",position:"relative",overflow:"hidden",width:b,height:c,margin:"0px",padding:"0px",verticalAlign:"top"}),this._insert(this.canvas,e),this._calculatePixelDims(b,c,this.canvas),this.canvas.width=this.pixelWidth,this.canvas.height=this.pixelHeight,f='<v:group coordorigin="0 0" coordsize="'+this.pixelWidth+" "+this.pixelHeight+'"'+' style="position:absolute;top:0;left:0;width:'+this.pixelWidth+"px;height="+this.pixelHeight+'px;"></v:group>',this.canvas.insertAdjacentHTML("beforeEnd",f),this.group=d(this.canvas).children()[0],this.rendered=!1,this.prerender=""},_drawShape:function(a,b,d,e,f){var g=[],h,i,j,k,l,m,n;for(n=0,m=b.length;n<m;n++)g[n]=""+b[n][0]+","+b[n][1];return h=g.splice(0,1),f=f===c?1:f,i=d===c?' stroked="false" ':' strokeWeight="'+f+'px" strokeColor="'+d+'" ',j=e===c?' filled="false"':' fillColor="'+e+'" filled="true" ',k=g[0]===g[g.length-1]?"x ":"",l='<v:shape coordorigin="0 0" coordsize="'+this.pixelWidth+" "+this.pixelHeight+'" '+' id="jqsshape'+a+'" '+i+j+' style="position:absolute;left:0px;top:0px;height:'+this.pixelHeight+"px;width:"+this.pixelWidth+'px;padding:0px;margin:0px;" '+' path="m '+h+" l "+g.join(", ")+" "+k+'e">'+" </v:shape>",l},_drawCircle:function(a,b,d,e,f,g,h){var i,j,k;return b-=e,d-=e,i=f===c?' stroked="false" ':' strokeWeight="'+h+'px" strokeColor="'+f+'" ',j=g===c?' filled="false"':' fillColor="'+g+'" filled="true" ',k='<v:oval  id="jqsshape'+a+'" '+i+j+' style="position:absolute;top:'+d+"px; left:"+b+"px; width:"+e*2+"px; height:"+e*2+'px"></v:oval>',k},_drawPieSlice:function(a,d,e,f,g,h,i,j){var k,l,m,n,o,p,q,r;if(g===h)return"";h-g===2*b.PI&&(g=0,h=2*b.PI),l=d+b.round(b.cos(g)*f),m=e+b.round(b.sin(g)*f),n=d+b.round(b.cos(h)*f),o=e+b.round(b.sin(h)*f);if(l===n&&m===o){if(h-g<b.PI)return"";l=n=d+f,m=o=e}return l===n&&m===o&&h-g<b.PI?"":(k=[d-f,e-f,d+f,e+f,l,m,n,o],p=i===c?' stroked="false" ':' strokeWeight="1px" strokeColor="'+i+'" ',q=j===c?' filled="false"':' fillColor="'+j+'" filled="true" ',r='<v:shape coordorigin="0 0" coordsize="'+this.pixelWidth+" "+this.pixelHeight+'" '+' id="jqsshape'+a+'" '+p+q+' style="position:absolute;left:0px;top:0px;height:'+this.pixelHeight+"px;width:"+this.pixelWidth+'px;padding:0px;margin:0px;" '+' path="m '+d+","+e+" wa "+k.join(", ")+' x e">'+" </v:shape>",r)},_drawRect:function(a,b,c,d,e,f,g){return this._drawShape(a,[[b,c],[b,c+e],[b+d,c+e],[b+d,c],[b,c]],f,g)},reset:function(){this.group.innerHTML=""},appendShape:function(a){var b=this["_draw"+a.type].apply(this,a.args);return this.rendered?this.group.insertAdjacentHTML("beforeEnd",b):this.prerender+=b,this.lastShapeId=a.id,a.id},replaceWithShape:function(a,b){var c=d("#jqsshape"+a),e=this["_draw"+b.type].apply(this,b.args);c[0].outerHTML=e},replaceWithShapes:function(a,b){var c=d("#jqsshape"+a[0]),e="",f=b.length,g;for(g=0;g<f;g++)e+=this["_draw"+b[g].type].apply(this,b[g].args);c[0].outerHTML=e;for(g=1;g<a.length;g++)d("#jqsshape"+a[g]).remove()},insertAfterShape:function(a,b){var c=d("#jqsshape"+a),e=this["_draw"+b.type].apply(this,b.args);c[0].insertAdjacentHTML("afterEnd",e)},removeShapeId:function(a){var b=d("#jqsshape"+a);this.group.removeChild(b[0])},getShapeAt:function(a,b,c){var d=a.id.substr(8);return d},render:function(){this.rendered||(this.group.innerHTML=this.prerender,this.rendered=!0)}})})})(document,Math);
\ No newline at end of file
diff --git a/web/lib/morris.min.js b/web/lib/morris.min.js
new file mode 100644
index 00000000..c3bda2f9
--- /dev/null
+++ b/web/lib/morris.min.js
@@ -0,0 +1,7 @@
+/* @license
+morris.js v0.5.0
+Copyright 2014 Olly Smith All rights reserved.
+Licensed under the BSD-2-Clause License.
+*/
+(function(){var a,b,c,d,e=[].slice,f=function(a,b){return function(){return a.apply(b,arguments)}},g={}.hasOwnProperty,h=function(a,b){function c(){this.constructor=a}for(var d in b)g.call(b,d)&&(a[d]=b[d]);return c.prototype=b.prototype,a.prototype=new c,a.__super__=b.prototype,a},i=[].indexOf||function(a){for(var b=0,c=this.length;c>b;b++)if(b in this&&this[b]===a)return b;return-1};b=window.Morris={},a=jQuery,b.EventEmitter=function(){function a(){}return a.prototype.on=function(a,b){return null==this.handlers&&(this.handlers={}),null==this.handlers[a]&&(this.handlers[a]=[]),this.handlers[a].push(b),this},a.prototype.fire=function(){var a,b,c,d,f,g,h;if(c=arguments[0],a=2<=arguments.length?e.call(arguments,1):[],null!=this.handlers&&null!=this.handlers[c]){for(g=this.handlers[c],h=[],d=0,f=g.length;f>d;d++)b=g[d],h.push(b.apply(null,a));return h}},a}(),b.commas=function(a){var b,c,d,e;return null!=a?(d=0>a?"-":"",b=Math.abs(a),c=Math.floor(b).toFixed(0),d+=c.replace(/(?=(?:\d{3})+$)(?!^)/g,","),e=b.toString(),e.length>c.length&&(d+=e.slice(c.length)),d):"-"},b.pad2=function(a){return(10>a?"0":"")+a},b.Grid=function(c){function d(b){this.resizeHandler=f(this.resizeHandler,this);var c=this;if(this.el="string"==typeof b.element?a(document.getElementById(b.element)):a(b.element),null==this.el||0===this.el.length)throw new Error("Graph container element not found");"static"===this.el.css("position")&&this.el.css("position","relative"),this.options=a.extend({},this.gridDefaults,this.defaults||{},b),"string"==typeof this.options.units&&(this.options.postUnits=b.units),this.raphael=new Raphael(this.el[0]),this.elementWidth=null,this.elementHeight=null,this.dirty=!1,this.selectFrom=null,this.init&&this.init(),this.setData(this.options.data),this.el.bind("mousemove",function(a){var b,d,e,f,g;return d=c.el.offset(),g=a.pageX-d.left,c.selectFrom?(b=c.data[c.hitTest(Math.min(g,c.selectFrom))]._x,e=c.data[c.hitTest(Math.max(g,c.selectFrom))]._x,f=e-b,c.selectionRect.attr({x:b,width:f})):c.fire("hovermove",g,a.pageY-d.top)}),this.el.bind("mouseleave",function(){return c.selectFrom&&(c.selectionRect.hide(),c.selectFrom=null),c.fire("hoverout")}),this.el.bind("touchstart touchmove touchend",function(a){var b,d;return d=a.originalEvent.touches[0]||a.originalEvent.changedTouches[0],b=c.el.offset(),c.fire("hovermove",d.pageX-b.left,d.pageY-b.top)}),this.el.bind("click",function(a){var b;return b=c.el.offset(),c.fire("gridclick",a.pageX-b.left,a.pageY-b.top)}),this.options.rangeSelect&&(this.selectionRect=this.raphael.rect(0,0,0,this.el.innerHeight()).attr({fill:this.options.rangeSelectColor,stroke:!1}).toBack().hide(),this.el.bind("mousedown",function(a){var b;return b=c.el.offset(),c.startRange(a.pageX-b.left)}),this.el.bind("mouseup",function(a){var b;return b=c.el.offset(),c.endRange(a.pageX-b.left),c.fire("hovermove",a.pageX-b.left,a.pageY-b.top)})),this.options.resize&&a(window).bind("resize",function(){return null!=c.timeoutId&&window.clearTimeout(c.timeoutId),c.timeoutId=window.setTimeout(c.resizeHandler,100)}),this.el.css("-webkit-tap-highlight-color","rgba(0,0,0,0)"),this.postInit&&this.postInit()}return h(d,c),d.prototype.gridDefaults={dateFormat:null,axes:!0,grid:!0,gridLineColor:"#aaa",gridStrokeWidth:.5,gridTextColor:"#888",gridTextSize:12,gridTextFamily:"sans-serif",gridTextWeight:"normal",hideHover:!1,yLabelFormat:null,xLabelAngle:0,numLines:5,padding:25,parseTime:!0,postUnits:"",preUnits:"",ymax:"auto",ymin:"auto 0",goals:[],goalStrokeWidth:1,goalLineColors:["#666633","#999966","#cc6666","#663333"],events:[],eventStrokeWidth:1,eventLineColors:["#005a04","#ccffbb","#3a5f0b","#005502"],rangeSelect:null,rangeSelectColor:"#eef",resize:!1},d.prototype.setData=function(a,c){var d,e,f,g,h,i,j,k,l,m,n,o,p,q,r;return null==c&&(c=!0),this.options.data=a,null==a||0===a.length?(this.data=[],this.raphael.clear(),null!=this.hover&&this.hover.hide(),void 0):(o=this.cumulative?0:null,p=this.cumulative?0:null,this.options.goals.length>0&&(h=Math.min.apply(Math,this.options.goals),g=Math.max.apply(Math,this.options.goals),p=null!=p?Math.min(p,h):h,o=null!=o?Math.max(o,g):g),this.data=function(){var c,d,g;for(g=[],f=c=0,d=a.length;d>c;f=++c)j=a[f],i={src:j},i.label=j[this.options.xkey],this.options.parseTime?(i.x=b.parseDate(i.label),this.options.dateFormat?i.label=this.options.dateFormat(i.x):"number"==typeof i.label&&(i.label=new Date(i.label).toString())):(i.x=f,this.options.xLabelFormat&&(i.label=this.options.xLabelFormat(i))),l=0,i.y=function(){var a,b,c,d;for(c=this.options.ykeys,d=[],e=a=0,b=c.length;b>a;e=++a)n=c[e],q=j[n],"string"==typeof q&&(q=parseFloat(q)),null!=q&&"number"!=typeof q&&(q=null),null!=q&&(this.cumulative?l+=q:null!=o?(o=Math.max(q,o),p=Math.min(q,p)):o=p=q),this.cumulative&&null!=l&&(o=Math.max(l,o),p=Math.min(l,p)),d.push(q);return d}.call(this),g.push(i);return g}.call(this),this.options.parseTime&&(this.data=this.data.sort(function(a,b){return(a.x>b.x)-(b.x>a.x)})),this.xmin=this.data[0].x,this.xmax=this.data[this.data.length-1].x,this.events=[],this.options.events.length>0&&(this.events=this.options.parseTime?function(){var a,c,e,f;for(e=this.options.events,f=[],a=0,c=e.length;c>a;a++)d=e[a],f.push(b.parseDate(d));return f}.call(this):this.options.events,this.xmax=Math.max(this.xmax,Math.max.apply(Math,this.events)),this.xmin=Math.min(this.xmin,Math.min.apply(Math,this.events))),this.xmin===this.xmax&&(this.xmin-=1,this.xmax+=1),this.ymin=this.yboundary("min",p),this.ymax=this.yboundary("max",o),this.ymin===this.ymax&&(p&&(this.ymin-=1),this.ymax+=1),((r=this.options.axes)===!0||"both"===r||"y"===r||this.options.grid===!0)&&(this.options.ymax===this.gridDefaults.ymax&&this.options.ymin===this.gridDefaults.ymin?(this.grid=this.autoGridLines(this.ymin,this.ymax,this.options.numLines),this.ymin=Math.min(this.ymin,this.grid[0]),this.ymax=Math.max(this.ymax,this.grid[this.grid.length-1])):(k=(this.ymax-this.ymin)/(this.options.numLines-1),this.grid=function(){var a,b,c,d;for(d=[],m=a=b=this.ymin,c=this.ymax;k>0?c>=a:a>=c;m=a+=k)d.push(m);return d}.call(this))),this.dirty=!0,c?this.redraw():void 0)},d.prototype.yboundary=function(a,b){var c,d;return c=this.options["y"+a],"string"==typeof c?"auto"===c.slice(0,4)?c.length>5?(d=parseInt(c.slice(5),10),null==b?d:Math[a](b,d)):null!=b?b:0:parseInt(c,10):c},d.prototype.autoGridLines=function(a,b,c){var d,e,f,g,h,i,j,k,l;return h=b-a,l=Math.floor(Math.log(h)/Math.log(10)),j=Math.pow(10,l),e=Math.floor(a/j)*j,d=Math.ceil(b/j)*j,i=(d-e)/(c-1),1===j&&i>1&&Math.ceil(i)!==i&&(i=Math.ceil(i),d=e+i*(c-1)),0>e&&d>0&&(e=Math.floor(a/i)*i,d=Math.ceil(b/i)*i),1>i?(g=Math.floor(Math.log(i)/Math.log(10)),f=function(){var a,b;for(b=[],k=a=e;i>0?d>=a:a>=d;k=a+=i)b.push(parseFloat(k.toFixed(1-g)));return b}()):f=function(){var a,b;for(b=[],k=a=e;i>0?d>=a:a>=d;k=a+=i)b.push(k);return b}(),f},d.prototype._calc=function(){var a,b,c,d,e,f,g,h;return e=this.el.width(),c=this.el.height(),(this.elementWidth!==e||this.elementHeight!==c||this.dirty)&&(this.elementWidth=e,this.elementHeight=c,this.dirty=!1,this.left=this.options.padding,this.right=this.elementWidth-this.options.padding,this.top=this.options.padding,this.bottom=this.elementHeight-this.options.padding,((g=this.options.axes)===!0||"both"===g||"y"===g)&&(f=function(){var a,c,d,e;for(d=this.grid,e=[],a=0,c=d.length;c>a;a++)b=d[a],e.push(this.measureText(this.yAxisFormat(b)).width);return e}.call(this),this.left+=Math.max.apply(Math,f)),((h=this.options.axes)===!0||"both"===h||"x"===h)&&(a=function(){var a,b,c;for(c=[],d=a=0,b=this.data.length;b>=0?b>a:a>b;d=b>=0?++a:--a)c.push(this.measureText(this.data[d].text,-this.options.xLabelAngle).height);return c}.call(this),this.bottom-=Math.max.apply(Math,a)),this.width=Math.max(1,this.right-this.left),this.height=Math.max(1,this.bottom-this.top),this.dx=this.width/(this.xmax-this.xmin),this.dy=this.height/(this.ymax-this.ymin),this.calc)?this.calc():void 0},d.prototype.transY=function(a){return this.bottom-(a-this.ymin)*this.dy},d.prototype.transX=function(a){return 1===this.data.length?(this.left+this.right)/2:this.left+(a-this.xmin)*this.dx},d.prototype.redraw=function(){return this.raphael.clear(),this._calc(),this.drawGrid(),this.drawGoals(),this.drawEvents(),this.draw?this.draw():void 0},d.prototype.measureText=function(a,b){var c,d;return null==b&&(b=0),d=this.raphael.text(100,100,a).attr("font-size",this.options.gridTextSize).attr("font-family",this.options.gridTextFamily).attr("font-weight",this.options.gridTextWeight).rotate(b),c=d.getBBox(),d.remove(),c},d.prototype.yAxisFormat=function(a){return this.yLabelFormat(a)},d.prototype.yLabelFormat=function(a){return"function"==typeof this.options.yLabelFormat?this.options.yLabelFormat(a):""+this.options.preUnits+b.commas(a)+this.options.postUnits},d.prototype.drawGrid=function(){var a,b,c,d,e,f,g,h;if(this.options.grid!==!1||(e=this.options.axes)===!0||"both"===e||"y"===e){for(f=this.grid,h=[],c=0,d=f.length;d>c;c++)a=f[c],b=this.transY(a),((g=this.options.axes)===!0||"both"===g||"y"===g)&&this.drawYAxisLabel(this.left-this.options.padding/2,b,this.yAxisFormat(a)),this.options.grid?h.push(this.drawGridLine("M"+this.left+","+b+"H"+(this.left+this.width))):h.push(void 0);return h}},d.prototype.drawGoals=function(){var a,b,c,d,e,f,g;for(f=this.options.goals,g=[],c=d=0,e=f.length;e>d;c=++d)b=f[c],a=this.options.goalLineColors[c%this.options.goalLineColors.length],g.push(this.drawGoal(b,a));return g},d.prototype.drawEvents=function(){var a,b,c,d,e,f,g;for(f=this.events,g=[],c=d=0,e=f.length;e>d;c=++d)b=f[c],a=this.options.eventLineColors[c%this.options.eventLineColors.length],g.push(this.drawEvent(b,a));return g},d.prototype.drawGoal=function(a,b){return this.raphael.path("M"+this.left+","+this.transY(a)+"H"+this.right).attr("stroke",b).attr("stroke-width",this.options.goalStrokeWidth)},d.prototype.drawEvent=function(a,b){return this.raphael.path("M"+this.transX(a)+","+this.bottom+"V"+this.top).attr("stroke",b).attr("stroke-width",this.options.eventStrokeWidth)},d.prototype.drawYAxisLabel=function(a,b,c){return this.raphael.text(a,b,c).attr("font-size",this.options.gridTextSize).attr("font-family",this.options.gridTextFamily).attr("font-weight",this.options.gridTextWeight).attr("fill",this.options.gridTextColor).attr("text-anchor","end")},d.prototype.drawGridLine=function(a){return this.raphael.path(a).attr("stroke",this.options.gridLineColor).attr("stroke-width",this.options.gridStrokeWidth)},d.prototype.startRange=function(a){return this.hover.hide(),this.selectFrom=a,this.selectionRect.attr({x:a,width:0}).show()},d.prototype.endRange=function(a){var b,c;return this.selectFrom?(c=Math.min(this.selectFrom,a),b=Math.max(this.selectFrom,a),this.options.rangeSelect.call(this.el,{start:this.data[this.hitTest(c)].x,end:this.data[this.hitTest(b)].x}),this.selectFrom=null):void 0},d.prototype.resizeHandler=function(){return this.timeoutId=null,this.raphael.setSize(this.el.width(),this.el.height()),this.redraw()},d}(b.EventEmitter),b.parseDate=function(a){var b,c,d,e,f,g,h,i,j,k,l;return"number"==typeof a?a:(c=a.match(/^(\d+) Q(\d)$/),e=a.match(/^(\d+)-(\d+)$/),f=a.match(/^(\d+)-(\d+)-(\d+)$/),h=a.match(/^(\d+) W(\d+)$/),i=a.match(/^(\d+)-(\d+)-(\d+)[ T](\d+):(\d+)(Z|([+-])(\d\d):?(\d\d))?$/),j=a.match(/^(\d+)-(\d+)-(\d+)[ T](\d+):(\d+):(\d+(\.\d+)?)(Z|([+-])(\d\d):?(\d\d))?$/),c?new Date(parseInt(c[1],10),3*parseInt(c[2],10)-1,1).getTime():e?new Date(parseInt(e[1],10),parseInt(e[2],10)-1,1).getTime():f?new Date(parseInt(f[1],10),parseInt(f[2],10)-1,parseInt(f[3],10)).getTime():h?(k=new Date(parseInt(h[1],10),0,1),4!==k.getDay()&&k.setMonth(0,1+(4-k.getDay()+7)%7),k.getTime()+6048e5*parseInt(h[2],10)):i?i[6]?(g=0,"Z"!==i[6]&&(g=60*parseInt(i[8],10)+parseInt(i[9],10),"+"===i[7]&&(g=0-g)),Date.UTC(parseInt(i[1],10),parseInt(i[2],10)-1,parseInt(i[3],10),parseInt(i[4],10),parseInt(i[5],10)+g)):new Date(parseInt(i[1],10),parseInt(i[2],10)-1,parseInt(i[3],10),parseInt(i[4],10),parseInt(i[5],10)).getTime():j?(l=parseFloat(j[6]),b=Math.floor(l),d=Math.round(1e3*(l-b)),j[8]?(g=0,"Z"!==j[8]&&(g=60*parseInt(j[10],10)+parseInt(j[11],10),"+"===j[9]&&(g=0-g)),Date.UTC(parseInt(j[1],10),parseInt(j[2],10)-1,parseInt(j[3],10),parseInt(j[4],10),parseInt(j[5],10)+g,b,d)):new Date(parseInt(j[1],10),parseInt(j[2],10)-1,parseInt(j[3],10),parseInt(j[4],10),parseInt(j[5],10),b,d).getTime()):new Date(parseInt(a,10),0,1).getTime())},b.Hover=function(){function c(c){null==c&&(c={}),this.options=a.extend({},b.Hover.defaults,c),this.el=a("<div class='"+this.options["class"]+"'></div>"),this.el.hide(),this.options.parent.append(this.el)}return c.defaults={"class":"morris-hover morris-default-style"},c.prototype.update=function(a,b,c){return a?(this.html(a),this.show(),this.moveTo(b,c)):this.hide()},c.prototype.html=function(a){return this.el.html(a)},c.prototype.moveTo=function(a,b){var c,d,e,f,g,h;return g=this.options.parent.innerWidth(),f=this.options.parent.innerHeight(),d=this.el.outerWidth(),c=this.el.outerHeight(),e=Math.min(Math.max(0,a-d/2),g-d),null!=b?(h=b-c-10,0>h&&(h=b+10,h+c>f&&(h=f/2-c/2))):h=f/2-c/2,this.el.css({left:e+"px",top:parseInt(h)+"px"})},c.prototype.show=function(){return this.el.show()},c.prototype.hide=function(){return this.el.hide()},c}(),b.Line=function(a){function c(a){return this.hilight=f(this.hilight,this),this.onHoverOut=f(this.onHoverOut,this),this.onHoverMove=f(this.onHoverMove,this),this.onGridClick=f(this.onGridClick,this),this instanceof b.Line?(c.__super__.constructor.call(this,a),void 0):new b.Line(a)}return h(c,a),c.prototype.init=function(){return"always"!==this.options.hideHover?(this.hover=new b.Hover({parent:this.el}),this.on("hovermove",this.onHoverMove),this.on("hoverout",this.onHoverOut),this.on("gridclick",this.onGridClick)):void 0},c.prototype.defaults={lineWidth:3,pointSize:4,lineColors:["#0b62a4","#7A92A3","#4da74d","#afd8f8","#edc240","#cb4b4b","#9440ed"],pointStrokeWidths:[1],pointStrokeColors:["#ffffff"],pointFillColors:[],smooth:!0,xLabels:"auto",xLabelFormat:null,xLabelMargin:24,hideHover:!1},c.prototype.calc=function(){return this.calcPoints(),this.generatePaths()},c.prototype.calcPoints=function(){var a,b,c,d,e,f;for(e=this.data,f=[],c=0,d=e.length;d>c;c++)a=e[c],a._x=this.transX(a.x),a._y=function(){var c,d,e,f;for(e=a.y,f=[],c=0,d=e.length;d>c;c++)b=e[c],null!=b?f.push(this.transY(b)):f.push(b);return f}.call(this),f.push(a._ymax=Math.min.apply(Math,[this.bottom].concat(function(){var c,d,e,f;for(e=a._y,f=[],c=0,d=e.length;d>c;c++)b=e[c],null!=b&&f.push(b);return f}())));return f},c.prototype.hitTest=function(a){var b,c,d,e,f;if(0===this.data.length)return null;for(f=this.data.slice(1),b=d=0,e=f.length;e>d&&(c=f[b],!(a<(c._x+this.data[b]._x)/2));b=++d);return b},c.prototype.onGridClick=function(a,b){var c;return c=this.hitTest(a),this.fire("click",c,this.data[c].src,a,b)},c.prototype.onHoverMove=function(a){var b;return b=this.hitTest(a),this.displayHoverForRow(b)},c.prototype.onHoverOut=function(){return this.options.hideHover!==!1?this.displayHoverForRow(null):void 0},c.prototype.displayHoverForRow=function(a){var b;return null!=a?((b=this.hover).update.apply(b,this.hoverContentForRow(a)),this.hilight(a)):(this.hover.hide(),this.hilight())},c.prototype.hoverContentForRow=function(a){var b,c,d,e,f,g,h;for(d=this.data[a],b="<div class='morris-hover-row-label'>"+d.label+"</div>",h=d.y,c=f=0,g=h.length;g>f;c=++f)e=h[c],b+="<div class='morris-hover-point' style='color: "+this.colorFor(d,c,"label")+"'>\n  "+this.options.labels[c]+":\n  "+this.yLabelFormat(e)+"\n</div>";return"function"==typeof this.options.hoverCallback&&(b=this.options.hoverCallback(a,this.options,b,d.src)),[b,d._x,d._ymax]},c.prototype.generatePaths=function(){var a,c,d,e;return this.paths=function(){var f,g,h,j;for(j=[],c=f=0,g=this.options.ykeys.length;g>=0?g>f:f>g;c=g>=0?++f:--f)e="boolean"==typeof this.options.smooth?this.options.smooth:(h=this.options.ykeys[c],i.call(this.options.smooth,h)>=0),a=function(){var a,b,e,f;for(e=this.data,f=[],a=0,b=e.length;b>a;a++)d=e[a],void 0!==d._y[c]&&f.push({x:d._x,y:d._y[c]});return f}.call(this),a.length>1?j.push(b.Line.createPath(a,e,this.bottom)):j.push(null);return j}.call(this)},c.prototype.draw=function(){var a;return((a=this.options.axes)===!0||"both"===a||"x"===a)&&this.drawXAxis(),this.drawSeries(),this.options.hideHover===!1?this.displayHoverForRow(this.data.length-1):void 0},c.prototype.drawXAxis=function(){var a,c,d,e,f,g,h,i,j,k,l=this;for(h=this.bottom+this.options.padding/2,f=null,e=null,a=function(a,b){var c,d,g,i,j;return c=l.drawXAxisLabel(l.transX(b),h,a),j=c.getBBox(),c.transform("r"+-l.options.xLabelAngle),d=c.getBBox(),c.transform("t0,"+d.height/2+"..."),0!==l.options.xLabelAngle&&(i=-.5*j.width*Math.cos(l.options.xLabelAngle*Math.PI/180),c.transform("t"+i+",0...")),d=c.getBBox(),(null==f||f>=d.x+d.width||null!=e&&e>=d.x)&&d.x>=0&&d.x+d.width<l.el.width()?(0!==l.options.xLabelAngle&&(g=1.25*l.options.gridTextSize/Math.sin(l.options.xLabelAngle*Math.PI/180),e=d.x-g),f=d.x-l.options.xLabelMargin):c.remove()},d=this.options.parseTime?1===this.data.length&&"auto"===this.options.xLabels?[[this.data[0].label,this.data[0].x]]:b.labelSeries(this.xmin,this.xmax,this.width,this.options.xLabels,this.options.xLabelFormat):function(){var a,b,c,d;for(c=this.data,d=[],a=0,b=c.length;b>a;a++)g=c[a],d.push([g.label,g.x]);return d}.call(this),d.reverse(),k=[],i=0,j=d.length;j>i;i++)c=d[i],k.push(a(c[0],c[1]));return k},c.prototype.drawSeries=function(){var a,b,c,d,e,f;for(this.seriesPoints=[],a=b=d=this.options.ykeys.length-1;0>=d?0>=b:b>=0;a=0>=d?++b:--b)this._drawLineFor(a);for(f=[],a=c=e=this.options.ykeys.length-1;0>=e?0>=c:c>=0;a=0>=e?++c:--c)f.push(this._drawPointFor(a));return f},c.prototype._drawPointFor=function(a){var b,c,d,e,f,g;for(this.seriesPoints[a]=[],f=this.data,g=[],d=0,e=f.length;e>d;d++)c=f[d],b=null,null!=c._y[a]&&(b=this.drawLinePoint(c._x,c._y[a],this.colorFor(c,a,"point"),a)),g.push(this.seriesPoints[a].push(b));return g},c.prototype._drawLineFor=function(a){var b;return b=this.paths[a],null!==b?this.drawLinePath(b,this.colorFor(null,a,"line"),a):void 0},c.createPath=function(a,c,d){var e,f,g,h,i,j,k,l,m,n,o,p,q,r;for(k="",c&&(g=b.Line.gradients(a)),l={y:null},h=q=0,r=a.length;r>q;h=++q)e=a[h],null!=e.y&&(null!=l.y?c?(f=g[h],j=g[h-1],i=(e.x-l.x)/4,m=l.x+i,o=Math.min(d,l.y+i*j),n=e.x-i,p=Math.min(d,e.y-i*f),k+="C"+m+","+o+","+n+","+p+","+e.x+","+e.y):k+="L"+e.x+","+e.y:c&&null==g[h]||(k+="M"+e.x+","+e.y)),l=e;return k},c.gradients=function(a){var b,c,d,e,f,g,h,i;for(c=function(a,b){return(a.y-b.y)/(a.x-b.x)},i=[],d=g=0,h=a.length;h>g;d=++g)b=a[d],null!=b.y?(e=a[d+1]||{y:null},f=a[d-1]||{y:null},null!=f.y&&null!=e.y?i.push(c(f,e)):null!=f.y?i.push(c(f,b)):null!=e.y?i.push(c(b,e)):i.push(null)):i.push(null);return i},c.prototype.hilight=function(a){var b,c,d,e,f;if(null!==this.prevHilight&&this.prevHilight!==a)for(b=c=0,e=this.seriesPoints.length-1;e>=0?e>=c:c>=e;b=e>=0?++c:--c)this.seriesPoints[b][this.prevHilight]&&this.seriesPoints[b][this.prevHilight].animate(this.pointShrinkSeries(b));if(null!==a&&this.prevHilight!==a)for(b=d=0,f=this.seriesPoints.length-1;f>=0?f>=d:d>=f;b=f>=0?++d:--d)this.seriesPoints[b][a]&&this.seriesPoints[b][a].animate(this.pointGrowSeries(b));return this.prevHilight=a},c.prototype.colorFor=function(a,b,c){return"function"==typeof this.options.lineColors?this.options.lineColors.call(this,a,b,c):"point"===c?this.options.pointFillColors[b%this.options.pointFillColors.length]||this.options.lineColors[b%this.options.lineColors.length]:this.options.lineColors[b%this.options.lineColors.length]},c.prototype.drawXAxisLabel=function(a,b,c){return this.raphael.text(a,b,c).attr("font-size",this.options.gridTextSize).attr("font-family",this.options.gridTextFamily).attr("font-weight",this.options.gridTextWeight).attr("fill",this.options.gridTextColor)},c.prototype.drawLinePath=function(a,b,c){return this.raphael.path(a).attr("stroke",b).attr("stroke-width",this.lineWidthForSeries(c))},c.prototype.drawLinePoint=function(a,b,c,d){return this.raphael.circle(a,b,this.pointSizeForSeries(d)).attr("fill",c).attr("stroke-width",this.pointStrokeWidthForSeries(d)).attr("stroke",this.pointStrokeColorForSeries(d))},c.prototype.pointStrokeWidthForSeries=function(a){return this.options.pointStrokeWidths[a%this.options.pointStrokeWidths.length]},c.prototype.pointStrokeColorForSeries=function(a){return this.options.pointStrokeColors[a%this.options.pointStrokeColors.length]},c.prototype.lineWidthForSeries=function(a){return this.options.lineWidth instanceof Array?this.options.lineWidth[a%this.options.lineWidth.length]:this.options.lineWidth},c.prototype.pointSizeForSeries=function(a){return this.options.pointSize instanceof Array?this.options.pointSize[a%this.options.pointSize.length]:this.options.pointSize},c.prototype.pointGrowSeries=function(a){return Raphael.animation({r:this.pointSizeForSeries(a)+3},25,"linear")},c.prototype.pointShrinkSeries=function(a){return Raphael.animation({r:this.pointSizeForSeries(a)},25,"linear")},c}(b.Grid),b.labelSeries=function(c,d,e,f,g){var h,i,j,k,l,m,n,o,p,q,r;if(j=200*(d-c)/e,i=new Date(c),n=b.LABEL_SPECS[f],void 0===n)for(r=b.AUTO_LABEL_ORDER,p=0,q=r.length;q>p;p++)if(k=r[p],m=b.LABEL_SPECS[k],j>=m.span){n=m;break}for(void 0===n&&(n=b.LABEL_SPECS.second),g&&(n=a.extend({},n,{fmt:g})),h=n.start(i),l=[];(o=h.getTime())<=d;)o>=c&&l.push([n.fmt(h),o]),n.incr(h);return l},c=function(a){return{span:60*a*1e3,start:function(a){return new Date(a.getFullYear(),a.getMonth(),a.getDate(),a.getHours())},fmt:function(a){return""+b.pad2(a.getHours())+":"+b.pad2(a.getMinutes())},incr:function(b){return b.setUTCMinutes(b.getUTCMinutes()+a)}}},d=function(a){return{span:1e3*a,start:function(a){return new Date(a.getFullYear(),a.getMonth(),a.getDate(),a.getHours(),a.getMinutes())},fmt:function(a){return""+b.pad2(a.getHours())+":"+b.pad2(a.getMinutes())+":"+b.pad2(a.getSeconds())},incr:function(b){return b.setUTCSeconds(b.getUTCSeconds()+a)}}},b.LABEL_SPECS={decade:{span:1728e8,start:function(a){return new Date(a.getFullYear()-a.getFullYear()%10,0,1)},fmt:function(a){return""+a.getFullYear()},incr:function(a){return a.setFullYear(a.getFullYear()+10)}},year:{span:1728e7,start:function(a){return new Date(a.getFullYear(),0,1)},fmt:function(a){return""+a.getFullYear()},incr:function(a){return a.setFullYear(a.getFullYear()+1)}},month:{span:24192e5,start:function(a){return new Date(a.getFullYear(),a.getMonth(),1)},fmt:function(a){return""+a.getFullYear()+"-"+b.pad2(a.getMonth()+1)},incr:function(a){return a.setMonth(a.getMonth()+1)}},week:{span:6048e5,start:function(a){return new Date(a.getFullYear(),a.getMonth(),a.getDate())},fmt:function(a){return""+a.getFullYear()+"-"+b.pad2(a.getMonth()+1)+"-"+b.pad2(a.getDate())},incr:function(a){return a.setDate(a.getDate()+7)}},day:{span:864e5,start:function(a){return new Date(a.getFullYear(),a.getMonth(),a.getDate())},fmt:function(a){return""+a.getFullYear()+"-"+b.pad2(a.getMonth()+1)+"-"+b.pad2(a.getDate())},incr:function(a){return a.setDate(a.getDate()+1)}},hour:c(60),"30min":c(30),"15min":c(15),"10min":c(10),"5min":c(5),minute:c(1),"30sec":d(30),"15sec":d(15),"10sec":d(10),"5sec":d(5),second:d(1)},b.AUTO_LABEL_ORDER=["decade","year","month","week","day","hour","30min","15min","10min","5min","minute","30sec","15sec","10sec","5sec","second"],b.Area=function(c){function d(c){var f;return this instanceof b.Area?(f=a.extend({},e,c),this.cumulative=!f.behaveLikeLine,"auto"===f.fillOpacity&&(f.fillOpacity=f.behaveLikeLine?.8:1),d.__super__.constructor.call(this,f),void 0):new b.Area(c)}var e;return h(d,c),e={fillOpacity:"auto",behaveLikeLine:!1},d.prototype.calcPoints=function(){var a,b,c,d,e,f,g;for(f=this.data,g=[],d=0,e=f.length;e>d;d++)a=f[d],a._x=this.transX(a.x),b=0,a._y=function(){var d,e,f,g;for(f=a.y,g=[],d=0,e=f.length;e>d;d++)c=f[d],this.options.behaveLikeLine?g.push(this.transY(c)):(b+=c||0,g.push(this.transY(b)));return g}.call(this),g.push(a._ymax=Math.max.apply(Math,a._y));return g},d.prototype.drawSeries=function(){var a,b,c,d,e,f,g,h;for(this.seriesPoints=[],b=this.options.behaveLikeLine?function(){f=[];for(var a=0,b=this.options.ykeys.length-1;b>=0?b>=a:a>=b;b>=0?a++:a--)f.push(a);return f}.apply(this):function(){g=[];for(var a=e=this.options.ykeys.length-1;0>=e?0>=a:a>=0;0>=e?a++:a--)g.push(a);return g}.apply(this),h=[],c=0,d=b.length;d>c;c++)a=b[c],this._drawFillFor(a),this._drawLineFor(a),h.push(this._drawPointFor(a));return h},d.prototype._drawFillFor=function(a){var b;return b=this.paths[a],null!==b?(b+="L"+this.transX(this.xmax)+","+this.bottom+"L"+this.transX(this.xmin)+","+this.bottom+"Z",this.drawFilledPath(b,this.fillForSeries(a))):void 0},d.prototype.fillForSeries=function(a){var b;return b=Raphael.rgb2hsl(this.colorFor(this.data[a],a,"line")),Raphael.hsl(b.h,this.options.behaveLikeLine?.9*b.s:.75*b.s,Math.min(.98,this.options.behaveLikeLine?1.2*b.l:1.25*b.l))},d.prototype.drawFilledPath=function(a,b){return this.raphael.path(a).attr("fill",b).attr("fill-opacity",this.options.fillOpacity).attr("stroke","none")},d}(b.Line),b.Bar=function(c){function d(c){return this.onHoverOut=f(this.onHoverOut,this),this.onHoverMove=f(this.onHoverMove,this),this.onGridClick=f(this.onGridClick,this),this instanceof b.Bar?(d.__super__.constructor.call(this,a.extend({},c,{parseTime:!1})),void 0):new b.Bar(c)}return h(d,c),d.prototype.init=function(){return this.cumulative=this.options.stacked,"always"!==this.options.hideHover?(this.hover=new b.Hover({parent:this.el}),this.on("hovermove",this.onHoverMove),this.on("hoverout",this.onHoverOut),this.on("gridclick",this.onGridClick)):void 0},d.prototype.defaults={barSizeRatio:.75,barGap:3,barColors:["#0b62a4","#7a92a3","#4da74d","#afd8f8","#edc240","#cb4b4b","#9440ed"],barOpacity:1,barRadius:[0,0,0,0],xLabelMargin:50},d.prototype.calc=function(){var a;return this.calcBars(),this.options.hideHover===!1?(a=this.hover).update.apply(a,this.hoverContentForRow(this.data.length-1)):void 0},d.prototype.calcBars=function(){var a,b,c,d,e,f,g;for(f=this.data,g=[],a=d=0,e=f.length;e>d;a=++d)b=f[a],b._x=this.left+this.width*(a+.5)/this.data.length,g.push(b._y=function(){var a,d,e,f;for(e=b.y,f=[],a=0,d=e.length;d>a;a++)c=e[a],null!=c?f.push(this.transY(c)):f.push(null);return f}.call(this));return g},d.prototype.draw=function(){var a;return((a=this.options.axes)===!0||"both"===a||"x"===a)&&this.drawXAxis(),this.drawSeries()},d.prototype.drawXAxis=function(){var a,b,c,d,e,f,g,h,i,j,k,l,m;for(j=this.bottom+(this.options.xAxisLabelTopPadding||this.options.padding/2),g=null,f=null,m=[],a=k=0,l=this.data.length;l>=0?l>k:k>l;a=l>=0?++k:--k)h=this.data[this.data.length-1-a],b=this.drawXAxisLabel(h._x,j,h.label),i=b.getBBox(),b.transform("r"+-this.options.xLabelAngle),c=b.getBBox(),b.transform("t0,"+c.height/2+"..."),0!==this.options.xLabelAngle&&(e=-.5*i.width*Math.cos(this.options.xLabelAngle*Math.PI/180),b.transform("t"+e+",0...")),(null==g||g>=c.x+c.width||null!=f&&f>=c.x)&&c.x>=0&&c.x+c.width<this.el.width()?(0!==this.options.xLabelAngle&&(d=1.25*this.options.gridTextSize/Math.sin(this.options.xLabelAngle*Math.PI/180),f=c.x-d),m.push(g=c.x-this.options.xLabelMargin)):m.push(b.remove());return m},d.prototype.drawSeries=function(){var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o;return c=this.width/this.options.data.length,h=this.options.stacked?1:this.options.ykeys.length,a=(c*this.options.barSizeRatio-this.options.barGap*(h-1))/h,this.options.barSize&&(a=Math.min(a,this.options.barSize)),l=c-a*h-this.options.barGap*(h-1),g=l/2,o=this.ymin<=0&&this.ymax>=0?this.transY(0):null,this.bars=function(){var h,l,p,q;for(p=this.data,q=[],d=h=0,l=p.length;l>h;d=++h)i=p[d],e=0,q.push(function(){var h,l,p,q;for(p=i._y,q=[],j=h=0,l=p.length;l>h;j=++h)n=p[j],null!==n?(o?(m=Math.min(n,o),b=Math.max(n,o)):(m=n,b=this.bottom),f=this.left+d*c+g,this.options.stacked||(f+=j*(a+this.options.barGap)),k=b-m,this.options.verticalGridCondition&&this.options.verticalGridCondition(i.x)&&this.drawBar(this.left+d*c,this.top,c,Math.abs(this.top-this.bottom),this.options.verticalGridColor,this.options.verticalGridOpacity,this.options.barRadius),this.options.stacked&&(m-=e),this.drawBar(f,m,a,k,this.colorFor(i,j,"bar"),this.options.barOpacity,this.options.barRadius),q.push(e+=k)):q.push(null);return q}.call(this));return q}.call(this)},d.prototype.colorFor=function(a,b,c){var d,e;return"function"==typeof this.options.barColors?(d={x:a.x,y:a.y[b],label:a.label},e={index:b,key:this.options.ykeys[b],label:this.options.labels[b]},this.options.barColors.call(this,d,e,c)):this.options.barColors[b%this.options.barColors.length]},d.prototype.hitTest=function(a){return 0===this.data.length?null:(a=Math.max(Math.min(a,this.right),this.left),Math.min(this.data.length-1,Math.floor((a-this.left)/(this.width/this.data.length))))},d.prototype.onGridClick=function(a,b){var c;return c=this.hitTest(a),this.fire("click",c,this.data[c].src,a,b)},d.prototype.onHoverMove=function(a){var b,c;return b=this.hitTest(a),(c=this.hover).update.apply(c,this.hoverContentForRow(b))},d.prototype.onHoverOut=function(){return this.options.hideHover!==!1?this.hover.hide():void 0},d.prototype.hoverContentForRow=function(a){var b,c,d,e,f,g,h,i;for(d=this.data[a],b="<div class='morris-hover-row-label'>"+d.label+"</div>",i=d.y,c=g=0,h=i.length;h>g;c=++g)f=i[c],b+="<div class='morris-hover-point' style='color: "+this.colorFor(d,c,"label")+"'>\n  "+this.options.labels[c]+":\n  "+this.yLabelFormat(f)+"\n</div>";return"function"==typeof this.options.hoverCallback&&(b=this.options.hoverCallback(a,this.options,b,d.src)),e=this.left+(a+.5)*this.width/this.data.length,[b,e]},d.prototype.drawXAxisLabel=function(a,b,c){var d;return d=this.raphael.text(a,b,c).attr("font-size",this.options.gridTextSize).attr("font-family",this.options.gridTextFamily).attr("font-weight",this.options.gridTextWeight).attr("fill",this.options.gridTextColor)},d.prototype.drawBar=function(a,b,c,d,e,f,g){var h,i;return h=Math.max.apply(Math,g),i=0===h||h>d?this.raphael.rect(a,b,c,d):this.raphael.path(this.roundedRect(a,b,c,d,g)),i.attr("fill",e).attr("fill-opacity",f).attr("stroke","none")},d.prototype.roundedRect=function(a,b,c,d,e){return null==e&&(e=[0,0,0,0]),["M",a,e[0]+b,"Q",a,b,a+e[0],b,"L",a+c-e[1],b,"Q",a+c,b,a+c,b+e[1],"L",a+c,b+d-e[2],"Q",a+c,b+d,a+c-e[2],b+d,"L",a+e[3],b+d,"Q",a,b+d,a,b+d-e[3],"Z"]},d}(b.Grid),b.Donut=function(c){function d(c){this.resizeHandler=f(this.resizeHandler,this),this.select=f(this.select,this),this.click=f(this.click,this);var d=this;if(!(this instanceof b.Donut))return new b.Donut(c);if(this.options=a.extend({},this.defaults,c),this.el="string"==typeof c.element?a(document.getElementById(c.element)):a(c.element),null===this.el||0===this.el.length)throw new Error("Graph placeholder not found.");void 0!==c.data&&0!==c.data.length&&(this.raphael=new Raphael(this.el[0]),this.options.resize&&a(window).bind("resize",function(){return null!=d.timeoutId&&window.clearTimeout(d.timeoutId),d.timeoutId=window.setTimeout(d.resizeHandler,100)}),this.setData(c.data))}return h(d,c),d.prototype.defaults={colors:["#0B62A4","#3980B5","#679DC6","#95BBD7","#B0CCE1","#095791","#095085","#083E67","#052C48","#042135"],backgroundColor:"#FFFFFF",labelColor:"#000000",formatter:b.commas,resize:!1},d.prototype.redraw=function(){var a,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x;for(this.raphael.clear(),c=this.el.width()/2,d=this.el.height()/2,n=(Math.min(c,d)-10)/3,l=0,u=this.values,o=0,r=u.length;r>o;o++)m=u[o],l+=m;for(i=5/(2*n),a=1.9999*Math.PI-i*this.data.length,g=0,f=0,this.segments=[],v=this.values,e=p=0,s=v.length;s>p;e=++p)m=v[e],j=g+i+a*(m/l),k=new b.DonutSegment(c,d,2*n,n,g,j,this.data[e].color||this.options.colors[f%this.options.colors.length],this.options.backgroundColor,f,this.raphael),k.render(),this.segments.push(k),k.on("hover",this.select),k.on("click",this.click),g=j,f+=1;for(this.text1=this.drawEmptyDonutLabel(c,d-10,this.options.labelColor,15,800),this.text2=this.drawEmptyDonutLabel(c,d+10,this.options.labelColor,14),h=Math.max.apply(Math,this.values),f=0,w=this.values,x=[],q=0,t=w.length;t>q;q++){if(m=w[q],m===h){this.select(f);
+break}x.push(f+=1)}return x},d.prototype.setData=function(a){var b;return this.data=a,this.values=function(){var a,c,d,e;for(d=this.data,e=[],a=0,c=d.length;c>a;a++)b=d[a],e.push(parseFloat(b.value));return e}.call(this),this.redraw()},d.prototype.click=function(a){return this.fire("click",a,this.data[a])},d.prototype.select=function(a){var b,c,d,e,f,g;for(g=this.segments,e=0,f=g.length;f>e;e++)c=g[e],c.deselect();return d=this.segments[a],d.select(),b=this.data[a],this.setLabels(b.label,this.options.formatter(b.value,b))},d.prototype.setLabels=function(a,b){var c,d,e,f,g,h,i,j;return c=2*(Math.min(this.el.width()/2,this.el.height()/2)-10)/3,f=1.8*c,e=c/2,d=c/3,this.text1.attr({text:a,transform:""}),g=this.text1.getBBox(),h=Math.min(f/g.width,e/g.height),this.text1.attr({transform:"S"+h+","+h+","+(g.x+g.width/2)+","+(g.y+g.height)}),this.text2.attr({text:b,transform:""}),i=this.text2.getBBox(),j=Math.min(f/i.width,d/i.height),this.text2.attr({transform:"S"+j+","+j+","+(i.x+i.width/2)+","+i.y})},d.prototype.drawEmptyDonutLabel=function(a,b,c,d,e){var f;return f=this.raphael.text(a,b,"").attr("font-size",d).attr("fill",c),null!=e&&f.attr("font-weight",e),f},d.prototype.resizeHandler=function(){return this.timeoutId=null,this.raphael.setSize(this.el.width(),this.el.height()),this.redraw()},d}(b.EventEmitter),b.DonutSegment=function(a){function b(a,b,c,d,e,g,h,i,j,k){this.cx=a,this.cy=b,this.inner=c,this.outer=d,this.color=h,this.backgroundColor=i,this.index=j,this.raphael=k,this.deselect=f(this.deselect,this),this.select=f(this.select,this),this.sin_p0=Math.sin(e),this.cos_p0=Math.cos(e),this.sin_p1=Math.sin(g),this.cos_p1=Math.cos(g),this.is_long=g-e>Math.PI?1:0,this.path=this.calcSegment(this.inner+3,this.inner+this.outer-5),this.selectedPath=this.calcSegment(this.inner+3,this.inner+this.outer),this.hilight=this.calcArc(this.inner)}return h(b,a),b.prototype.calcArcPoints=function(a){return[this.cx+a*this.sin_p0,this.cy+a*this.cos_p0,this.cx+a*this.sin_p1,this.cy+a*this.cos_p1]},b.prototype.calcSegment=function(a,b){var c,d,e,f,g,h,i,j,k,l;return k=this.calcArcPoints(a),c=k[0],e=k[1],d=k[2],f=k[3],l=this.calcArcPoints(b),g=l[0],i=l[1],h=l[2],j=l[3],"M"+c+","+e+("A"+a+","+a+",0,"+this.is_long+",0,"+d+","+f)+("L"+h+","+j)+("A"+b+","+b+",0,"+this.is_long+",1,"+g+","+i)+"Z"},b.prototype.calcArc=function(a){var b,c,d,e,f;return f=this.calcArcPoints(a),b=f[0],d=f[1],c=f[2],e=f[3],"M"+b+","+d+("A"+a+","+a+",0,"+this.is_long+",0,"+c+","+e)},b.prototype.render=function(){var a=this;return this.arc=this.drawDonutArc(this.hilight,this.color),this.seg=this.drawDonutSegment(this.path,this.color,this.backgroundColor,function(){return a.fire("hover",a.index)},function(){return a.fire("click",a.index)})},b.prototype.drawDonutArc=function(a,b){return this.raphael.path(a).attr({stroke:b,"stroke-width":2,opacity:0})},b.prototype.drawDonutSegment=function(a,b,c,d,e){return this.raphael.path(a).attr({fill:b,stroke:c,"stroke-width":3}).hover(d).click(e)},b.prototype.select=function(){return this.selected?void 0:(this.seg.animate({path:this.selectedPath},150,"<>"),this.arc.animate({opacity:1},150,"<>"),this.selected=!0)},b.prototype.deselect=function(){return this.selected?(this.seg.animate({path:this.path},150,"<>"),this.arc.animate({opacity:0},150,"<>"),this.selected=!1):void 0},b}(b.EventEmitter)}).call(this);
\ No newline at end of file
diff --git a/web/lib/raphael-min.js b/web/lib/raphael-min.js
new file mode 100644
index 00000000..d30dbad8
--- /dev/null
+++ b/web/lib/raphael-min.js
@@ -0,0 +1,10 @@
+// ┌────────────────────────────────────────────────────────────────────┐ \\
+// │ Raphaël 2.1.0 - JavaScript Vector Library                          │ \\
+// ├────────────────────────────────────────────────────────────────────┤ \\
+// │ Copyright © 2008-2012 Dmitry Baranovskiy (http://raphaeljs.com)    │ \\
+// │ Copyright © 2008-2012 Sencha Labs (http://sencha.com)              │ \\
+// ├────────────────────────────────────────────────────────────────────┤ \\
+// │ Licensed under the MIT (http://raphaeljs.com/license.html) license.│ \\
+// └────────────────────────────────────────────────────────────────────┘ \\
+
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diff --git a/web/netdata-swagger.json b/web/netdata-swagger.json
new file mode 100755
index 00000000..ba674d50
--- /dev/null
+++ b/web/netdata-swagger.json
@@ -0,0 +1,431 @@
+{
+    "swagger": "2.0",
+    "info": {
+        "title": "NetData API",
+        "description": "Real time data collection and graphs...",
+        "version": "1.0.0"
+    },
+    "host": "netdata.firehol.org",
+    "schemes": [
+        "http"
+    ],
+    "basePath": "/api/v1",
+    "produces": [
+        "application/json"
+    ],
+    "paths": {
+        "/charts": {
+            "get": {
+                "summary": "Get a list of all charts available at the server",
+                "description": "The charts endpoint returns a summary about all charts stored in the netdata server.",
+                "responses": {
+                    "200": {
+                        "description": "An array of charts",
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/chart_summary"
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "/chart": {
+            "get": {
+                "summary": "Get info about a specific chart",
+                "description": "The Chart endpoint returns detailed information about a chart.",
+                "parameters": [
+                    {
+                        "name": "chart",
+                        "in": "query",
+                        "description": "The id of the chart as returned by the /charts call.",
+                        "required": true,
+                        "type": "string",
+                        "format": "as returned by /charts",
+                        "default": "system.cpu"
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "A javascript object with detailed information about the chart.",
+                        "schema": {
+                            "$ref": "#/definitions/chart"
+                        }
+                    },
+                    "404": {
+                        "description": "No chart with the given id is found."
+                    }
+                }
+            }
+        },
+        "/data": {
+            "get": {
+                "summary": "Get collected data for a specific chart",
+                "description": "The Data endpoint returns data stored in the round robin database of a chart.\n",
+                "parameters": [
+                    {
+                        "name": "chart",
+                        "in": "query",
+                        "description": "The id of the chart as returned by the /charts call.",
+                        "required": true,
+                        "type": "string",
+                        "format": "as returned by /charts",
+                        "allowEmptyValue": false,
+                        "default": "system.cpu"
+                    },
+                    {
+                        "name": "dimension",
+                        "in": "query",
+                        "description": "zero, one or more dimension ids, as returned by the /chart call.",
+                        "required": false,
+                        "type": "array",
+                        "items": {
+                            "type": "string",
+                            "collectionFormat": "pipes",
+                            "format": "as returned by /charts"
+                        },
+                        "allowEmptyValue": false
+                    },
+                    {
+                        "name": "after",
+                        "in": "query",
+                        "description": "This parameter can either be an absolute timestamp specifying the starting point of the data to be returned, or a relative number of seconds, to the last collected timestamp. Netdata will assume it is a relative number if it is smaller than the duration of the round robin database for this chart. So, if the round robin database is 3600 seconds, any value from -3600 to 3600 will trigger relative arithmetics. Netdata will adapt this parameter to the boundaries of the round robin database.",
+                        "required": true,
+                        "type": "number",
+                        "format": "integer",
+                        "allowEmptyValue": false,
+                        "default": -600
+                    },
+                    {
+                        "name": "before",
+                        "in": "query",
+                        "description": "This parameter can either be an absolute timestamp specifying the ending point of the data to be returned, or a relative number of seconds, to the last collected timestamp. Netdata will assume it is a relative number if it is smaller than the duration of the round robin database for this chart. So, if the round robin database is 3600 seconds, any value from -3600 to 3600 will trigger relative arithmetics. Netdata will adapt this parameter to the boundaries of the round robin database.",
+                        "required": false,
+                        "type": "number",
+                        "format": "integer",
+                        "default": 0
+                    },
+                    {
+                        "name": "points",
+                        "in": "query",
+                        "description": "The number of points to be returned. If not given, or it is <= 0, or it is bigger than the points stored in the round robin database for this chart for the given duration, all the available collected values for the given duration are returned.",
+                        "required": true,
+                        "type": "number",
+                        "format": "integer",
+                        "allowEmptyValue": false,
+                        "default": 20
+                    },
+                    {
+                        "name": "group",
+                        "in": "query",
+                        "description": "The grouping method. If multiple collected values are to be grouped in order to return fewer points, this parameters defines the method of grouping. Two methods are supported, \"max\" and \"average\". \"max\" is actually calculated on the absolute value collected (so it works for both positive and negative dimesions to return the most extreme value in either direction).",
+                        "required": true,
+                        "type": "string",
+                        "enum": [
+                            "max",
+                            "average"
+                        ],
+                        "default": "average",
+                        "allowEmptyValue": false
+                    },
+                    {
+                        "name": "format",
+                        "in": "query",
+                        "description": "The format of the data to be returned.",
+                        "required": true,
+                        "type": "string",
+                        "enum": [
+                            "json",
+                            "jsonp",
+                            "csv",
+                            "tsv",
+                            "tsv-excel",
+                            "ssv",
+                            "ssvcomma",
+                            "datatable",
+                            "datasource",
+                            "html",
+                            "array",
+                            "csvjsonarray"
+                        ],
+                        "default": "json",
+                        "allowEmptyValue": false
+                    },
+                    {
+                        "name": "options",
+                        "in": "query",
+                        "description": "Options that affect data generation.",
+                        "required": false,
+                        "type": "array",
+                        "items": {
+                            "type": "string",
+                            "enum": [
+                                "nonzero",
+                                "flip",
+                                "jsonwrap",
+                                "min2max",
+                                "seconds",
+                                "milliseconds",
+                                "abs",
+                                "absolute",
+                                "absolute-sum",
+                                "null2zero",
+                                "objectrows",
+                                "google_json",
+                                "percentage"
+                            ],
+                            "collectionFormat": "pipes"
+                        },
+                        "default": [
+                            "seconds",
+                            "jsonwrap"
+                        ],
+                        "allowEmptyValue": false
+                    },
+                    {
+                        "name": "callback",
+                        "in": "query",
+                        "description": "For JSONP responses, the callback function name.",
+                        "required": false,
+                        "type": "string",
+                        "allowEmptyValue": true
+                    },
+                    {
+                        "name": "filename",
+                        "in": "query",
+                        "description": "Add Content-Disposition: attachment; filename=<filename> header to the response, that will instruct the browser to save the response with the given filename.",
+                        "required": false,
+                        "type": "string",
+                        "allowEmptyValue": true
+                    },
+                    {
+                        "name": "tqx",
+                        "in": "query",
+                        "description": "[Google Visualization API](https://developers.google.com/chart/interactive/docs/dev/implementing_data_source?hl=en) formatted parameter.",
+                        "required": false,
+                        "type": "string",
+                        "allowEmptyValue": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "The call was successful. The response should include the data.",
+                        "schema": {
+                            "$ref": "#/definitions/chart"
+                        }
+                    },
+                    "400": {
+                        "description": "Bad request - the body will include a message stating what is wrong."
+                    },
+                    "404": {
+                        "description": "No chart with the given id is found."
+                    },
+                    "500": {
+                        "description": "Internal server error. This usually means the server is out of memory."
+                    }
+                }
+            }
+        }
+    },
+    "definitions": {
+        "chart_summary": {
+            "type": "object",
+            "properties": {
+                "hostname": {
+                    "type": "string",
+                    "description": "The hostname of the netdata server."
+                },
+                "update_every": {
+                    "type": "number",
+                    "description": "The default update frequency of the netdata server. All charts have an update frequency equal or bigger than this."
+                },
+                "charts": {
+                    "type": "object",
+                    "description": "An object containing all the chart objects available at the netdata server. This is used as an indexed array. The key of each chart object is the id of the chart.",
+                    "properties": {
+                        "key": {
+                            "$ref": "#/definitions/chart"
+                        }
+                    }
+                }
+            }
+        },
+        "chart": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "string",
+                    "description": "The unique id of the chart"
+                },
+                "name": {
+                    "type": "string",
+                    "description": "The name of the chart"
+                },
+                "type": {
+                    "type": "string",
+                    "description": "The type of the chart. Types are not handled by netdata. You can use this field for anything you like."
+                },
+                "family": {
+                    "type": "string",
+                    "description": "The family of the chart. Families are not handled by netdata. You can use this field for anything you like."
+                },
+                "title": {
+                    "type": "string",
+                    "description": "The title of the chart."
+                },
+                "priority": {
+                    "type": "string",
+                    "description": "The relative priority of the chart. NetData does not care about priorities. This is just an indication of importance for the chart viewers to sort charts of higher priority (lower number) closer to the top. Priority sorting should only be used among charts of the same type or family."
+                },
+                "enabled": {
+                    "type": "boolean",
+                    "description": "True when the chart is enabled. Disabled charts do not currently collect values, but they may have historical values available."
+                },
+                "units": {
+                    "type": "string",
+                    "description": "The unit of measurement for the values of all dimensions of the chart."
+                },
+                "data_url": {
+                    "type": "string",
+                    "description": "The absolute path to get data values for this chart. You are expected to use this path as the base when constructing the URL to fetch data values for this chart."
+                },
+                "chart_type": {
+                    "type": "string",
+                    "description": "The chart type.",
+                    "enum": [
+                        "line",
+                        "area",
+                        "stacked"
+                    ]
+                },
+                "duration": {
+                    "type": "number",
+                    "description": "The duration, in seconds, of the round robin database maintained by netdata."
+                },
+                "first_entry": {
+                    "type": "number",
+                    "description": "The UNIX timestamp of the first entry (the oldest) in the round robin database."
+                },
+                "last_entry": {
+                    "type": "number",
+                    "description": "The UNIX timestamp of the latest entry in the round robin database."
+                },
+                "update_every": {
+                    "type": "number",
+                    "description": "The update frequency of this chart, in seconds. One value every this amount of time is kept in the round robin database."
+                },
+                "dimensions": {
+                    "description": "An object containing all the chart dimensions available for the chart. This is used as an indexed array. The key of the object the id of the dimension.",
+                    "type": "object",
+                    "properties": {
+                        "key": {
+                            "$ref": "#/definitions/dimension"
+                        }
+                    }
+                }
+            }
+        },
+        "dimension": {
+            "type": "object",
+            "properties": {
+                "name": {
+                    "type": "string",
+                    "description": "The name of the dimension"
+                }
+            }
+        },
+        "json_wrap": {
+            "type": "object",
+            "properties": {
+                "api": {
+                    "type": "number",
+                    "description": "The API version this conforms to, currently 1"
+                },
+                "id": {
+                    "type": "string",
+                    "description": "The unique id of the chart"
+                },
+                "name": {
+                    "type": "string",
+                    "description": "The name of the chart"
+                },
+                "update_every": {
+                    "type": "number",
+                    "description": "The update frequency of this chart, in seconds. One value every this amount of time is kept in the round robin database (indepedently of the current view)."
+                },
+                "view_update_every": {
+                    "type": "number",
+                    "description": "The current view appropriate update frequency of this chart, in seconds. There is no point to request chart refreshes, using the same settings, more frequently than this."
+                },
+                "first_entry": {
+                    "type": "number",
+                    "description": "The UNIX timestamp of the first entry (the oldest) in the round robin database (indepedently of the current view)."
+                },
+                "last_entry": {
+                    "type": "number",
+                    "description": "The UNIX timestamp of the latest entry in the round robin database (indepedently of the current view)."
+                },
+                "after": {
+                    "type": "number",
+                    "description": "The UNIX timestamp of the first entry (the oldest) returned in this response."
+                },
+                "before": {
+                    "type": "number",
+                    "description": "The UNIX timestamp of the latest entry returned in this response."
+                },
+                "min": {
+                    "type": "number",
+                    "description": "The minimum value returned in the current view. This can be used to size the y-series of the chart."
+                },
+                "max": {
+                    "type": "number",
+                    "description": "The maximum value returned in the current view. This can be used to size the y-series of the chart."
+                },
+                "dimension_names": {
+                    "description": "The dimension names of the chart as returned in the current view.",
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
+                "dimension_ids": {
+                    "description": "The dimension IDs of the chart as returned in the current view.",
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
+                "latest_values": {
+                    "description": "The latest values collected for the chart (indepedently of the current view).",
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
+                "view_latest_values": {
+                    "description": "The latest values returned with this response.",
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
+                "dimensions": {
+                    "type": "number",
+                    "description": "The number of dimensions returned."
+                },
+                "points": {
+                    "type": "number",
+                    "description": "The number of rows / points returned."
+                },
+                "format": {
+                    "type": "string",
+                    "description": "The format of the result returned."
+                },
+                "result": {
+                    "description": "The result requested, in the format requested."
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/web/netdata-swagger.yaml b/web/netdata-swagger.yaml
new file mode 100755
index 00000000..8413d72d
--- /dev/null
+++ b/web/netdata-swagger.yaml
@@ -0,0 +1,288 @@
+swagger: '2.0'
+info:
+  title: NetData API
+  description: 'Real time data collection and graphs...'
+  version: 1.0.0
+host: netdata.firehol.org
+schemes:
+  - http
+basePath: /api/v1
+produces:
+  - application/json
+paths:
+  /charts:
+    get:
+      summary: 'Get a list of all charts available at the server'
+      description: 'The charts endpoint returns a summary about all charts stored in the netdata server.'
+      responses:
+        '200':
+          description: 'An array of charts'
+          schema:
+            type: array
+            items:
+              $ref: '#/definitions/chart_summary'
+  /chart:
+    get:
+      summary: 'Get info about a specific chart'
+      description: 'The Chart endpoint returns detailed information about a chart.'
+      parameters:
+        - name: chart
+          in: query
+          description: 'The id of the chart as returned by the /charts call.'
+          required: true
+          type: string
+          format: 'as returned by /charts'
+          default: 'system.cpu'
+      responses:
+        '200':
+          description: 'A javascript object with detailed information about the chart.'
+          schema:
+            $ref: '#/definitions/chart'
+        '404':
+          description: 'No chart with the given id is found.'
+  /data:
+    get:
+      summary: 'Get collected data for a specific chart'
+      description: |
+        The Data endpoint returns data stored in the round robin database of a chart.
+      parameters:
+        - name: chart
+          in: query
+          description: 'The id of the chart as returned by the /charts call.'
+          required: true
+          type: string
+          format: 'as returned by /charts'
+          allowEmptyValue: false
+          default: system.cpu
+        - name: dimension
+          in: query
+          description: 'zero, one or more dimension ids, as returned by the /chart call.'
+          required: false
+          type: array
+          items:
+            type: string
+            collectionFormat: pipes
+            format: 'as returned by /charts'
+          allowEmptyValue: false
+        - name: after
+          in: query
+          description: 'This parameter can either be an absolute timestamp specifying the starting point of the data to be returned, or a relative number of seconds, to the last collected timestamp. Netdata will assume it is a relative number if it is smaller than the duration of the round robin database for this chart. So, if the round robin database is 3600 seconds, any value from -3600 to 3600 will trigger relative arithmetics. Netdata will adapt this parameter to the boundaries of the round robin database.'
+          required: true
+          type: number
+          format: integer
+          allowEmptyValue: false
+          default: -600
+        - name: before
+          in: query
+          description: 'This parameter can either be an absolute timestamp specifying the ending point of the data to be returned, or a relative number of seconds, to the last collected timestamp. Netdata will assume it is a relative number if it is smaller than the duration of the round robin database for this chart. So, if the round robin database is 3600 seconds, any value from -3600 to 3600 will trigger relative arithmetics. Netdata will adapt this parameter to the boundaries of the round robin database.'
+          required: false
+          type: number
+          format: integer
+          default: 0
+        - name: points
+          in: query
+          description: 'The number of points to be returned. If not given, or it is <= 0, or it is bigger than the points stored in the round robin database for this chart for the given duration, all the available collected values for the given duration are returned.'
+          required: true
+          type: number
+          format: integer
+          allowEmptyValue: false
+          default: 20
+        - name: group
+          in: query
+          description: 'The grouping method. If multiple collected values are to be grouped in order to return fewer points, this parameters defines the method of grouping. Two methods are supported, "max" and "average". "max" is actually calculated on the absolute value collected (so it works for both positive and negative dimesions to return the most extreme value in either direction).'
+          required: true
+          type: string
+          enum: [ 'max', 'average' ]
+          default: 'average'
+          allowEmptyValue: false
+        - name: format
+          in: query
+          description: 'The format of the data to be returned.'
+          required: true
+          type: string
+          enum: [ 'json', 'jsonp', 'csv', 'tsv', 'tsv-excel', 'ssv', 'ssvcomma', 'datatable', 'datasource', 'html', 'array', 'csvjsonarray' ]
+          default: json
+          allowEmptyValue: false
+        - name: options
+          in: query
+          description: 'Options that affect data generation.'
+          required: false
+          type: array
+          items:
+            type: string
+            enum: [ 'nonzero', 'flip', 'jsonwrap', 'min2max', 'seconds', 'milliseconds', 'abs', 'absolute', 'absolute-sum', 'null2zero', 'objectrows', 'google_json', 'percentage' ]
+            collectionFormat: pipes
+          default: [seconds, jsonwrap]
+          allowEmptyValue: false
+        - name: callback
+          in: query
+          description: 'For JSONP responses, the callback function name.'
+          required: false
+          type: string
+          allowEmptyValue: true
+        - name: filename
+          in: query
+          description: 'Add Content-Disposition: attachment; filename=<filename> header to the response, that will instruct the browser to save the response with the given filename.'
+          required: false
+          type: string
+          allowEmptyValue: true
+        - name: tqx
+          in: query
+          description: '[Google Visualization API](https://developers.google.com/chart/interactive/docs/dev/implementing_data_source?hl=en) formatted parameter.'
+          required: false
+          type: string
+          allowEmptyValue: true
+      responses:
+        '200':
+          description: 'The call was successful. The response should include the data.'
+          schema:
+            $ref: '#/definitions/chart'
+        '400':
+          description: 'Bad request - the body will include a message stating what is wrong.'
+        '404':
+          description: 'No chart with the given id is found.'
+        '500':
+          description: 'Internal server error. This usually means the server is out of memory.'
+definitions:
+  chart_summary:
+    type: object
+    properties:
+      hostname:
+        type: string
+        description: 'The hostname of the netdata server.'
+      update_every:
+        type: number
+        description: 'The default update frequency of the netdata server. All charts have an update frequency equal or bigger than this.'
+      charts:
+        type: object
+        description: 'An object containing all the chart objects available at the netdata server. This is used as an indexed array. The key of each chart object is the id of the chart.'
+        properties:
+          key:
+              $ref: '#/definitions/chart'
+  chart:
+    type: object
+    properties:
+      id:
+        type: string
+        description: 'The unique id of the chart'
+      name:
+        type: string
+        description: 'The name of the chart'
+      type:
+        type: string
+        description: 'The type of the chart. Types are not handled by netdata. You can use this field for anything you like.'
+      family:
+        type: string
+        description: 'The family of the chart. Families are not handled by netdata. You can use this field for anything you like.'
+      title:
+        type: string
+        description: 'The title of the chart.'
+      priority:
+        type: string
+        description: 'The relative priority of the chart. NetData does not care about priorities. This is just an indication of importance for the chart viewers to sort charts of higher priority (lower number) closer to the top. Priority sorting should only be used among charts of the same type or family.'
+      enabled:
+        type: boolean
+        description: 'True when the chart is enabled. Disabled charts do not currently collect values, but they may have historical values available.'
+      units:
+        type: string
+        description: 'The unit of measurement for the values of all dimensions of the chart.'
+      data_url:
+        type: string
+        description: 'The absolute path to get data values for this chart. You are expected to use this path as the base when constructing the URL to fetch data values for this chart.'
+      chart_type:
+        type: string
+        description: 'The chart type.'
+        enum: [ 'line', 'area', 'stacked' ]
+      duration:
+        type: number
+        description: 'The duration, in seconds, of the round robin database maintained by netdata.'
+      first_entry:
+        type: number
+        description: 'The UNIX timestamp of the first entry (the oldest) in the round robin database.'
+      last_entry:
+        type: number
+        description: 'The UNIX timestamp of the latest entry in the round robin database.'
+      update_every:
+        type: number
+        description: 'The update frequency of this chart, in seconds. One value every this amount of time is kept in the round robin database.'
+      dimensions:
+        description: 'The dimensions of the chart.'
+        type: object
+        description: 'An object containing all the chart dimensions available for the chart. This is used as an indexed array. The key of the object the id of the dimension.'
+        properties:
+          key:
+              $ref: '#/definitions/dimension'
+  dimension:
+    type: object
+    properties:
+      name:
+        type: string
+        description: 'The name of the dimension'
+  
+  json_wrap:
+    type: object
+    properties:
+      api:
+        type: number
+        description: 'The API version this conforms to, currently 1'
+      id:
+        type: string
+        description: 'The unique id of the chart'
+      name:
+        type: string
+        description: 'The name of the chart'
+      update_every:
+        type: number
+        description: 'The update frequency of this chart, in seconds. One value every this amount of time is kept in the round robin database (indepedently of the current view).'
+      view_update_every:
+        type: number
+        description: 'The current view appropriate update frequency of this chart, in seconds. There is no point to request chart refreshes, using the same settings, more frequently than this.'
+      first_entry:
+        type: number
+        description: 'The UNIX timestamp of the first entry (the oldest) in the round robin database (indepedently of the current view).'
+      last_entry:
+        type: number
+        description: 'The UNIX timestamp of the latest entry in the round robin database (indepedently of the current view).'
+      after:
+        type: number
+        description: 'The UNIX timestamp of the first entry (the oldest) returned in this response.'
+      before:
+        type: number
+        description: 'The UNIX timestamp of the latest entry returned in this response.'
+      min:
+        type: number
+        description: 'The minimum value returned in the current view. This can be used to size the y-series of the chart.'
+      max:
+        type: number
+        description: 'The maximum value returned in the current view. This can be used to size the y-series of the chart.'
+      dimension_names:
+        description: 'The dimension names of the chart as returned in the current view.'
+        type: array
+        items:
+          type: string
+      dimension_ids:
+        description: 'The dimension IDs of the chart as returned in the current view.'
+        type: array
+        items:
+          type: string
+      latest_values:
+        description: 'The latest values collected for the chart (indepedently of the current view).'
+        type: array
+        items:
+          type: string
+      view_latest_values:
+        description: 'The latest values returned with this response.'
+        type: array
+        items:
+          type: string
+      dimensions:
+        type: number
+        description: 'The number of dimensions returned.'
+      points:
+        type: number
+        description: 'The number of rows / points returned.'
+      format:
+        type: string
+        description: 'The format of the result returned.'
+      result:
+        description: 'The result requested, in the format requested.'
diff --git a/web/old/datasource.html b/web/old/datasource.html
new file mode 100644
index 00000000..f61db4fb
--- /dev/null
+++ b/web/old/datasource.html
@@ -0,0 +1,56 @@
+<html>
+	<style>
+		* {font-family:Arial}
+		div {float: left; margin: 0 0 0 0; }
+	</style>
+	<head>
+	<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
+	<title>NetData Datasource Example</title>
+	<script type="text/javascript" src="http://www.google.com/jsapi"></script>
+	<script type="text/javascript">
+
+	google.load('visualization', '1', {packages: ['charteditor']});
+	// google.load('visualization', '1.0');  // Note: No need to specify chart libraries.
+
+	google.setOnLoadCallback(drawVisualization);
+
+	var wrapper;
+	function drawVisualization() {
+		wrapper = new google.visualization.ChartWrapper({
+			containerId: 'graph_div',
+			chartType: 'AreaChart',
+			dataSourceUrl: 'http:/datasource/system.cpu/60/1/max', // it needs a protocol to work, even in relative URLs
+			refreshInterval: 1,
+			options: {
+				isStacked: true,
+				areaOpacity: 0.85,
+				lineWidth: 1,
+				title: 'CPU utilization',
+				width: window.innerWidth - 50,
+				height: window.innerHeight - 50,
+				hAxis: {title: "Time of Day", viewWindowMode: 'maximized', format:'HH:mm:ss'},
+				vAxis: {title: "percent", viewWindowMode: 'pretty', minValue: 0, maxValue: 100},
+				focusTarget: 'category',
+				annotation: {'1': {style: 'line'}},
+			},
+		});
+		wrapper.draw();
+	}
+
+	function openEditor() {
+		var editor = new google.visualization.ChartEditor();
+		google.visualization.events.addListener(editor, 'ok', function() {
+			wrapper = editor.getChartWrapper();
+			wrapper.draw(document.getElementById('graph_div'));
+		});
+		editor.openDialog(wrapper);
+	}
+
+	</script>
+	</head>
+	<body>
+		<input type='button' onclick='openEditor()' value='Open Editor'>
+		<br/>
+		<div><div id="graph_div"/></div>
+	</body>
+</html>
diff --git a/web/old/index.html b/web/old/index.html
new file mode 100644
index 00000000..ff26bfa2
--- /dev/null
+++ b/web/old/index.html
@@ -0,0 +1,207 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+    <meta name="description" content="">
+    <meta name="author" content="costa@tsaousis.gr">
+
+ 	<title>NetData</title>
+
+	<!-- Bootstrap CSS -->
+	<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
+	<link href="theme.css" rel="stylesheet">
+</head>
+
+<body role="document" data-spy="scroll" data-target="#main_menu_div">
+    <nav id="mynav" class="navbar navbar-default navbar-fixed-top" role="navigation">
+      <div class="container" style="width: 98%;">
+        <div class="navbar-header">
+          <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#main_menu_div">
+            <span class="sr-only">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+          </button>
+          <a class="navbar-brand" href="/" id="hostname_id">NetData</a>
+        </div>
+        <div class="navbar-header navbar-right">
+        	<ul class="nav navbar-nav">
+        	<li><a href="/">Looking for the new Dashboard?</a></li>
+        	</ul>
+        </div>
+		<form class="navbar-form navbar-right">
+			<!-- <div class="form-group">
+				<input type="text" class="form-control" placeholder="Search">
+			</div> -->
+				<button type="button" class="btn btn-primary global_play_button" onClick="buttonGlobalPlayPause('toggle');" data-play-text="<span class='glyphicon glyphicon-pause'></span> Pause" data-pause-text="<span class='glyphicon glyphicon-play'></span> Play" data-toggle="tooltip" data-placement="bottom" title=" click <span class='glyphicon glyphicon-play'></span> to have the graphs auto-refresh, or click <span class='glyphicon glyphicon-pause'></span> to pause the graphs.">
+				<span class="glyphicon glyphicon-pause"></span> Pause
+				</button>
+			<div class="btn-group btn-group" data-toggle="buttons" role="group">
+				<label class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Show less detail to speed up the browser. Use this if your machine is old and slow.">
+					<input type="radio" name="presentation" id="presentation_speedy" onChange="setPresentationSpeedy(0);">Speedy
+				</label>
+				<label class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Balance graphs detail with browser speed. Use this on modern computers.">
+					<input type="radio" name="presentation" id="presentation_normal" onChange="setPresentationNormal(0);">Normal
+				</label>
+				<label class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Show all the detail there is. This may slow down your browser.">
+					<input type="radio" name="presentation" id="presentation_detailed" onChange="setPresentationDetailed(0);">Detailed
+				</label>
+			</div>
+		</form>
+        <div class="collapse navbar-collapse" id="main_menu_div">
+          <ul class="nav navbar-nav">
+            <li><a href="#">preparing charts...</a></li>
+          </ul>
+        </div><!--/.nav-collapse -->
+      </div>
+    </nav>
+
+    <div class="container graphs" id="maingraph_container" style="display: none;">
+		<table>
+			<tr><td>
+		    	<div class="maingraph">
+					<table>
+						<tr><td>
+						<div class="maingraph" id="maingraph"></div>
+						<div id="maingraph_dashboard">
+							<div class="maingraph" id="maingraph_hidden" style="display: none"></div>
+							<div class="maingraph" id="maingraph_control"></div>
+						</div>
+						</td></tr>
+						<tr><td align="center">
+							<div class="btn-group">
+								<form id="mainchartform">
+									<div class="btn-group btn-group" data-toggle="tooltip" data-placement="top" title=" click <span class='glyphicon glyphicon-play'></span> to have the graph auto-refresh, or click <span class='glyphicon glyphicon-pause'></span> to pause the graph. When paused the graph can be zoomed and panned horizontally." >
+										<button type="button" class="btn btn-primary mainchart_play_button" data-play-text="<span class='glyphicon glyphicon-pause'></span>" data-pause-text="<span class='glyphicon glyphicon-play'></span>" onClick="setMainChartPlay('toggle');">
+											<span class="glyphicon glyphicon-pause"></span>
+										</button>
+									</div>
+									<div class="btn-group btn-group" data-toggle="tooltip" data-placement="top" title="use the maximum ( <span class='glyphicon glyphicon-signal'></span> ) or the average ( <span class='glyphicon glyphicon-align-justify'></span> ) value of grouped points" >
+										<button type="button" class="btn btn-primary mainchart_avg_button" data-max-text="<span class='glyphicon glyphicon-signal'></span>" data-average-text="<span class='glyphicon glyphicon-align-justify'></span>" onClick="setMainChartGroupMethod('toggle');">
+											<span class="glyphicon glyphicon-signal"></span>
+										</button>
+									</div>
+									<div class="btn-group btn-group" data-toggle="buttons" >
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="do not group points, show the raw data">
+											<input type="radio" name="group" id="group1" onChange="setMainChartGroup(1);">1
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group in half, show 1 every 2 points of data">
+											<input type="radio" name="group" id="group2" onChange="setMainChartGroup(2);">2
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 3 points of data">
+											<input type="radio" name="group" id="group3" onChange="setMainChartGroup(3);">3
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 4 points of data">
+											<input type="radio" name="group" id="group4" onChange="setMainChartGroup(4);">4
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 5 points of data">
+											<input type="radio" name="group" id="group5" onChange="setMainChartGroup(5);">5
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 10 points of data">
+											<input type="radio" name="group" id="group10" onChange="setMainChartGroup(10);">10
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 15 points of data">
+											<input type="radio" name="group" id="group15" onChange="setMainChartGroup(15);">15
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 20 points of data">
+											<input type="radio" name="group" id="group20" onChange="setMainChartGroup(20);">20
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 30 points of data">
+											<input type="radio" name="group" id="group30" onChange="setMainChartGroup(30);">30
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 45 points of data">
+											<input type="radio" name="group" id="group45" onChange="setMainChartGroup(45);">45
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 60 points of data">
+											<input type="radio" name="group" id="group60" onChange="setMainChartGroup(60);">60
+										</label>
+										<label class="btn btn-primary" data-toggle="tooltip" data-placement="top" title="group every 90 points of data">
+											<input type="radio" name="group" id="group90" onChange="setMainChartGroup(90);">90
+										</label>
+									</div>
+									<div class="btn-group btn-group" data-toggle="tooltip" data-placement="top" title="maximized ( <span class='glyphicon glyphicon-fullscreen'></span> ) or normal ( <span class='glyphicon glyphicon-resize-small'></span> ) view of the graph" >
+										<button type="button" class="btn btn-primary mainchart_max_button" data-maximized-text="<span class='glyphicon glyphicon-resize-small'></span>" data-normal-text="<span class='glyphicon glyphicon-fullscreen'></span>" onClick="setMainChartMax('toggle');">
+											<span class="glyphicon glyphicon-fullscreen"></span>
+										</button>
+									</div>
+								</form>
+							</div>
+							</td></tr>
+					</table>
+		 	   </div><!-- /.maingraph -->
+			</td></tr>
+		</table>
+	</div>
+
+    <div class="container graphs" id="thumbgraphs_container" style="display: none;">
+    	<div id="thumbgraphs">
+    	</div>
+	</div>
+
+    <div class="container graphs" id="groupgraphs_container" style="display: none;">
+    	<div class="allgraphs" id="groupgraphs">
+    	</div>
+	</div>
+
+    <div class="container" id="splash_container">
+		<table width="100%">
+			<tr><td id="splash" align="center" style="vertical-align: middle; height: 400px; overflow: auto;">
+				<h2>
+				Welcome to <b>NetData</b>!
+				<br/><br/>
+				<span class="glyphicon glyphicon-off"></span>
+				<br/><br/>
+				loading cosmos
+				<br/><br/>
+				<span class="label label-default">Please wait...</span>
+				</h2>
+			</td></tr>
+		</table>
+	</div>
+
+    <div class="container graphs" id="footer_container">
+   		&nbsp;<p/>
+   		<hr/>
+    	<h4>NetData</h4>
+    	Realtime System Information over the web for all linux systems.
+    	<p/>
+    	Distributed under GPL v2.
+    	<p/>
+    	(c) 2015 Costa Tsaousis <a href="mailto:costa@tsaousis.gr">costa@tsaousis.gr</a>
+    	<p/>
+    	<div id="server_summary_id"></div>
+    </div>
+
+	<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
+	<script type="text/javascript" src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
+	<script type='text/javascript'>
+		document.getElementById('splash').height = $(window).height();
+	</script>
+
+	<!-- Google AJAX API -->
+	<script type="text/javascript" src="https://www.google.com/jsapi"></script>
+
+	<!-- NetData -->
+	<script type="text/javascript" src="netdata.js"></script>
+	<script type="text/javascript" src="index.js"></script>
+
+	<script type='text/javascript'>
+		google.load('visualization', '1.1', {packages: ['controls']});
+
+		$(document).ready(function(){
+
+			$(document).on('click','.navbar-collapse.in',function(e) {
+				if( $(e.target).is('a') ) {
+					$(this).collapse('hide');
+				}
+			});
+
+			$('body').scrollspy({ target: '#main_menu_div' })
+		});
+	</script>
+</html>
diff --git a/web/old/index.js b/web/old/index.js
new file mode 100755
index 00000000..3a28daf7
--- /dev/null
+++ b/web/old/index.js
@@ -0,0 +1,1174 @@
+var page_is_visible = 1;
+
+var TARGET_THUMB_GRAPH_WIDTH = 500;		// thumb charts width will range from 0.5 to 1.5 of that
+var MINIMUM_THUMB_GRAPH_WIDTH = 400;	// thumb chart will generally try to be wider than that
+var TARGET_THUMB_GRAPH_HEIGHT = 160;	// the height of the thumb charts
+var TARGET_GROUP_GRAPH_HEIGHT = 160;
+
+var THUMBS_MAX_TIME_TO_SHOW = 240;		// how much time the thumb charts will present?
+var THUMBS_POINTS_DIVISOR = 3;
+var THUMBS_STACKED_POINTS_DIVISOR = 4;
+
+var GROUPS_MAX_TIME_TO_SHOW = 600;		// how much time the group charts will present?
+var GROUPS_POINTS_DIVISOR = 2;
+var GROUPS_STACKED_POINTS_DIVISOR = 3;
+
+var MAINCHART_MIN_TIME_TO_SHOW = 1200;	// how much time the main chart will present by default?
+var MAINCHART_POINTS_DIVISOR = 2;		// how much detailed will the main chart be by default? 1 = finest, higher is faster
+var MAINCHART_STACKED_POINTS_DIVISOR = 3;		// how much detailed will the main chart be by default? 1 = finest, higher is faster
+
+var MAINCHART_CONTROL_HEIGHT = 75;		// how tall the control chart will be
+var MAINCHART_CONTROL_DIVISOR = 5;		// how much detailed will the control chart be? 1 = finest, higher is faster
+var MAINCHART_INITIAL_SELECTOR= 20;		// 1/20th of the width, this overrides MAINCHART_MIN_TIME_TO_SHOW
+
+var CHARTS_REFRESH_LOOP = 50;			// delay between chart refreshes
+var CHARTS_REFRESH_IDLE = 500;			// delay between chart refreshes when no chart was ready for refresh the last time
+var CHARTS_CHECK_NO_FOCUS = 500;		// delay to check for visibility when the page has no focus
+var CHARTS_SCROLL_IDLE = 100;			// delay to wait after a page scroll
+
+var ENABLE_CURVE = 1;
+
+var resize_request = false;
+
+function setPresentationNormal(ui) {
+	THUMBS_POINTS_DIVISOR 				= 3;
+	THUMBS_STACKED_POINTS_DIVISOR 		= Math.round(THUMBS_POINTS_DIVISOR * 1.5);
+	GROUPS_POINTS_DIVISOR 				= 2;
+	GROUPS_STACKED_POINTS_DIVISOR 		= Math.round(GROUPS_POINTS_DIVISOR * 1.5);
+	MAINCHART_POINTS_DIVISOR 			= 2;
+	MAINCHART_STACKED_POINTS_DIVISOR 	= Math.round(MAINCHART_POINTS_DIVISOR * 1.5);
+	ENABLE_CURVE = 1;
+	CHARTS_REFRESH_LOOP = 50;
+	CHARTS_SCROLL_IDLE = 50;
+	resize_request = true;
+	if(ui) $('#presentation_normal').trigger('click');
+	playGraphs();
+}
+function setPresentationSpeedy(ui) {
+	THUMBS_POINTS_DIVISOR 				= 10;
+	THUMBS_STACKED_POINTS_DIVISOR 		= Math.round(THUMBS_POINTS_DIVISOR * 1.5);
+	GROUPS_POINTS_DIVISOR 				= 8;
+	GROUPS_STACKED_POINTS_DIVISOR 		= Math.round(GROUPS_POINTS_DIVISOR * 1.5);
+	MAINCHART_POINTS_DIVISOR 			= 5;
+	MAINCHART_STACKED_POINTS_DIVISOR 	= Math.round(MAINCHART_POINTS_DIVISOR * 1.5);
+	ENABLE_CURVE = 0;
+	CHARTS_REFRESH_LOOP = 50;
+	CHARTS_SCROLL_IDLE = 100;
+	resize_request = true;
+	if(ui) $('#presentation_speedy').trigger('click');
+	playGraphs();
+}
+function setPresentationDetailed(ui) {
+	THUMBS_POINTS_DIVISOR 				= 1;
+	THUMBS_STACKED_POINTS_DIVISOR 		= 1;
+	GROUPS_POINTS_DIVISOR 				= 1;
+	GROUPS_STACKED_POINTS_DIVISOR 		= 1;
+	MAINCHART_POINTS_DIVISOR 			= 1;
+	MAINCHART_STACKED_POINTS_DIVISOR 	= 1;
+	ENABLE_CURVE = 1;
+	CHARTS_REFRESH_LOOP = 50;
+	CHARTS_SCROLL_IDLE = 50;
+	resize_request = true;
+	if(ui) $('#presentation_detailed').trigger('click');
+	playGraphs();
+}
+
+function isIE() {
+  userAgent = navigator.userAgent;
+  return userAgent.indexOf("MSIE ") > -1 || userAgent.indexOf("Trident/") > -1;
+}
+
+if(isIE()){
+	// do stuff with ie-users
+	CHARTS_REFRESH_LOOP=250;
+	CHARTS_SCROLL_IDLE=500;
+}
+
+var MODE_THUMBS = 1;
+var MODE_MAIN = 2;
+var MODE_GROUP_THUMBS = 3;
+var mode; // one of the MODE_* values
+
+var allCharts = new Array();
+var mainchart;
+
+// html for the main menu
+var mainmenu = "";
+var categoriesmainmenu = "";
+var familiesmainmenu = "";
+var chartsmainmenu = "";
+
+
+// ------------------------------------------------------------------------
+// common HTML generation
+
+function thumbChartActions(i, c, nogroup) {
+	var name = c.name;
+	if(!nogroup) name = c.family;
+
+	var refinfo = "the chart is drawing ";
+	if(c.group == 1) refinfo += "every single point collected (" + c.update_every + "s each).";
+	else refinfo += ((c.group_method == "average")?"the average":"the max") + " value for every " + (c.group * c.update_every) + " seconds of data";
+
+	var html = "<div class=\"btn-group btn-group\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"" + refinfo + "\">"
+	+		"<button type=\"button\" class=\"btn btn-default\" onclick=\"javascript: return;\"><span class=\"glyphicon glyphicon-info-sign\"></span></button>"
+	+	"</div>"
+	+	"<div class=\"btn-group btn-group\"><button type=\"button\" class=\"btn btn-default disabled\"><small>&nbsp;&nbsp; " + name + "</small></button>";
+
+	if(!nogroup) {
+		var ingroup = 0;
+		var ingroup_detail = 0;
+
+		$.each(allCharts, function(i, d) {
+			if(d.family == c.family) {
+				ingroup++;
+				if(d.isdetail) ingroup_detail++;
+			}
+		});
+
+		var hidden = "";
+		if(ingroup_detail) hidden = ", including " + ingroup_detail + " charts not shown now";
+
+		html += "<button type=\"button\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Show all " + ingroup + " charts in group '" + c.family + "'" + hidden + "\" class=\"btn btn-default\" onclick=\"initGroupGraphs('" + c.family +"');\"><span class=\"glyphicon glyphicon-th-large\"></span></button>";
+	}
+
+	html += "<button type=\"button\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"show chart '" + c.name + "' in fullscreen\" class=\"btn btn-default\" onclick=\"initMainChartIndex(" + i +");\"><span class=\"glyphicon glyphicon-resize-full\"></span></button>"
+	+		"<button type=\"button\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"set options for chart '" + c.name + "'\" class=\"btn btn-default disabled\" onclick=\"alert('Not implemented yet!');\"><span class=\"glyphicon glyphicon-cog\"></span></button>"
+	+		"<button type=\"button\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"ignore chart '" + c.name + "'\" class=\"btn btn-default\" onclick=\"disableChart(" + i + ");\"><span class=\"glyphicon glyphicon-trash\"></span></button>"
+	+	"</div>";
+
+	return html;
+}
+
+function groupChartActions(i, c) {
+	var name = c.name;
+
+	var refinfo = "the chart is drawing ";
+	if(c.group == 1) refinfo += "every single point collected (" + c.update_every + "s each).";
+	else refinfo += ((c.group_method == "average")?"the average":"the max") + " value for every " + (c.group * c.update_every) + " seconds of data";
+
+	var html = "<div class=\"btn-group btn-group\" data-toggle=\"tooltip\" data-placement=\"left\" title=\"" + refinfo + "\">"
+	+		"<button type=\"button\" class=\"btn btn-default\" onclick=\"javascript: return;\"><span class=\"glyphicon glyphicon-info-sign\"></span></button>"
+	+	"</div>";
+
+	html += "<button type=\"button\" data-toggle=\"tooltip\" data-placement=\"left\" title=\"show chart '" + c.name + "' in fullscreen\" class=\"btn btn-default\" onclick=\"initMainChartIndex(" + i +");\"><span class=\"glyphicon glyphicon-resize-full\"></span></button>"
+	+		"<button type=\"button\" data-toggle=\"tooltip\" data-placement=\"left\" title=\"ignore chart '" + c.name + "'\" class=\"btn btn-default\" onclick=\"disableChart(" + i + ");\"><span class=\"glyphicon glyphicon-trash\"></span></button>"
+	+	"</div>";
+
+	return html;
+}
+
+function mylog(txt) {
+	console.log(txt);
+	$('#logline').html(txt);
+}
+
+function chartssort(a, b) {
+	if(a.priority == b.priority) {
+		if(a.name < b.name) return -1;
+	}
+	else if(a.priority < b.priority) return -1;
+
+	return 1;
+}
+
+
+// ------------------------------------------------------------------------
+// MAINGRAPH = fullscreen view of 1 graph
+
+// copy the chart c to mainchart
+// switch to main graphs screen
+function initMainChart(c) {
+	if(mainchart) cleanThisChart(mainchart);
+
+	mainchart = $.extend(true, {}, c);
+	mainchart.enabled = true;
+	mainchart.refreshCount = 0;
+	mainchart.last_updated = 0;
+	mainchart.chartOptions.explorer = null;
+	mainchart.chart = null;
+
+	mainchart.before = 0;
+	mainchart.after = 0;
+
+	mainchart.chartOptions.width = screenWidth();
+	mainchart.chartOptions.height = $(window).height() - 150 - MAINCHART_CONTROL_HEIGHT;
+	if(mainchart.chartOptions.height < 300) mainchart.chartOptions.height = 300;
+
+	mainchart.div = 'maingraph';
+	mainchart.max_time_to_show = (mainchart.last_entry_t - mainchart.first_entry_t) / ( MAINCHART_INITIAL_SELECTOR * mainchart.update_every );
+	if(mainchart.max_time_to_show < MAINCHART_MIN_TIME_TO_SHOW) mainchart.max_time_to_show = MAINCHART_MIN_TIME_TO_SHOW;
+	calculateChartPointsToShow(mainchart, mainchart.chartOptions.isStacked?MAINCHART_STACKED_POINTS_DIVISOR:MAINCHART_POINTS_DIVISOR, mainchart.max_time_to_show, 0, ENABLE_CURVE);
+
+	// copy it to the hidden chart
+	mainchart.hiddenchart = $.extend(true, {}, mainchart);
+	mainchart.hiddenchart.chartOptions.height = MAINCHART_CONTROL_HEIGHT;
+	mainchart.hiddenchart.div = 'maingraph_control';
+	mainchart.hiddenchart.non_zero = 0;
+
+	// initialize the div
+	showChartIsLoading(mainchart.div, mainchart.name, mainchart.chartOptions.width, mainchart.chartOptions.height);
+	document.getElementById(mainchart.hiddenchart.div).innerHTML = "<table><tr><td align=\"center\" width=\"" + mainchart.hiddenchart.chartOptions.width + "\" height=\"" + mainchart.hiddenchart.chartOptions.height + "\" style=\"vertical-align:middle\"><h4><span class=\"label label-default\">Please wait...</span></h4></td></tr></table>";
+	//showChartIsLoading(mainchart.hiddenchart.div, mainchart.hiddenchart.name, mainchart.hiddenchart.chartOptions.width, mainchart.hiddenchart.chartOptions.height);
+
+	// set the radio buttons
+	setMainChartGroupMethod(mainchart.group_method, 'no-refresh');
+	setMainChartMax('normal');
+
+	$('#group' + mainchart.group).trigger('click');
+	setMainChartGroup(mainchart.group, 'no-refresh');
+
+	switchToMainGraph();
+}
+
+function refreshHiddenChart(doNext) {
+	if(refresh_mode == REFRESH_PAUSED && mainchart.hiddenchart.last_updated != 0) {
+		if(typeof doNext == "function") doNext();
+		return;
+	}
+
+	// is it too soon for a refresh?
+	var now = new Date().getTime();
+	if((now - mainchart.hiddenchart.last_updated) < (mainchart.update_every * 10 * 1000) || (now - mainchart.hiddenchart.last_updated) < (mainchart.hiddenchart.group * mainchart.hiddenchart.update_every * 1000)) {
+		if(typeof doNext == "function") doNext();
+		return;
+	}
+
+	if(mainchart.dashboard && mainchart.hiddenchart.refreshCount > 50) {
+		mainchart.dashboard.clear();
+		mainchart.control_wrapper.clear();
+		mainchart.hidden_wrapper.clear();
+
+		mainchart.dashboard = null;
+		mainchart.control_wrapper = null;
+		mainchart.hidden_wrapper = null;
+		mainchart.hiddenchart.last_updated = 0;
+	}
+
+	if(!mainchart.dashboard) {
+		var controlopts = $.extend(true, {}, mainchart.chartOptions, {
+			lineWidth: 1,
+			height: mainchart.hiddenchart.chartOptions.height,
+			chartArea: {'width': '98%'},
+			hAxis: {'baselineColor': 'none', viewWindowMode: 'maximized', gridlines: { count: 0 } },
+			vAxis: {'title': null, gridlines: { count: 0 } },
+		});
+
+		mainchart.dashboard = new google.visualization.Dashboard(document.getElementById('maingraph_dashboard'));
+		mainchart.control_wrapper = new google.visualization.ControlWrapper({
+			controlType: 'ChartRangeFilter',
+			containerId: 'maingraph_control',
+			options: {
+				filterColumnIndex: 0,
+				ui: {
+					chartType: mainchart.chartType,
+					chartOptions: controlopts,
+					minRangeSize: (mainchart.max_time_to_show * 1000) / MAINCHART_POINTS_DIVISOR,
+				}
+			},
+		});
+		mainchart.hidden_wrapper = new google.visualization.ChartWrapper({
+			chartType: mainchart.chartType,
+			containerId: 'maingraph_hidden',
+			options: {
+				isStacked: mainchart.chartOptions.isStacked,
+				width: mainchart.hiddenchart.chartOptions.width,
+				height: mainchart.hiddenchart.chartOptions.height,
+				//chartArea: {'height': '80%', 'width': '100%'},
+				//hAxis: {'slantedText': false},
+				//legend: {'position': 'none'}
+			},
+		});
+
+		mainchart.hiddenchart.refreshCount = 0;
+	}
+
+	// load the data for the control and the hidden wrappers
+	// calculate the group and points to show for the control chart
+	calculateChartPointsToShow(mainchart.hiddenchart, MAINCHART_CONTROL_DIVISOR, 0, -1, ENABLE_CURVE);
+
+	$.ajax({
+		url: generateChartURL(mainchart.hiddenchart),
+		dataType:"json",
+		cache: false
+	})
+	.done(function(jsondata) {
+		if(!jsondata || jsondata.length == 0) return;
+
+		mainchart.control_data = new google.visualization.DataTable(jsondata);
+
+		if(mainchart.hiddenchart.last_updated == 0) {
+			google.visualization.events.addListener(mainchart.control_wrapper, 'ready', mainchartControlReadyEvent);
+			mainchart.dashboard.bind(mainchart.control_wrapper, mainchart.hidden_wrapper);
+		}
+		if(refresh_mode != REFRESH_PAUSED) {
+			// console.log('mainchart.points_to_show: ' + mainchart.points_to_show + ', mainchart.group: ' + mainchart.group + ', mainchart.update_every: ' + mainchart.update_every);
+
+			var start = now - (mainchart.points_to_show * mainchart.group * mainchart.update_every * 1000);
+			var end = now;
+			var min = MAINCHART_MIN_TIME_TO_SHOW * 1000;
+			if(end - start < min) start = end - min;
+
+			mainchart.control_wrapper.setState({range: {
+				start: new Date(start),
+				end: new Date(end)
+			},
+			ui: {
+				minRangeSize: min
+			}});
+		}
+
+		mainchart.dashboard.draw(mainchart.control_data);
+		mainchart.hiddenchart.last_updated = new Date().getTime();
+		mainchart.hiddenchart.refreshCount++;
+	})
+	.always(function() {
+		if(typeof doNext == "function") doNext();
+	});
+}
+
+function mainchartControlReadyEvent() {
+	google.visualization.events.addListener(mainchart.control_wrapper, 'statechange', mainchartControlStateHandler);
+	//mylog(mainchart);
+}
+
+function mainchartControlStateHandler() {
+	// setMainChartPlay('pause');
+
+	var state = mainchart.control_wrapper.getState();
+	mainchart.after = Math.round(state.range.start.getTime() / 1000);
+	mainchart.before = Math.round(state.range.end.getTime() / 1000);
+
+	calculateChartPointsToShow(mainchart, mainchart.chartOptions.isStacked?MAINCHART_STACKED_POINTS_DIVISOR:MAINCHART_POINTS_DIVISOR, mainchart.before - mainchart.after, 0, ENABLE_CURVE);
+	//mylog('group = ' + mainchart.group + ', points_to_show = ' + mainchart.points_to_show + ', dt = ' + (mainchart.before - mainchart.after));
+
+	$('#group' + mainchart.group).trigger('click');
+	mainchart.last_updated = 0;
+
+	if(refresh_mode != REFRESH_PAUSED) pauseGraphs();
+}
+
+function initMainChartIndex(i) {
+	if(mode == MODE_GROUP_THUMBS)
+		initMainChart(groupCharts[i]);
+
+	else if(mode == MODE_THUMBS)
+		initMainChart(allCharts[i]);
+
+	else
+		initMainChart(allCharts[i]);
+}
+
+function initMainChartIndexOfMyCharts(i) {
+	initMainChart(allCharts[i]);
+}
+
+var last_main_chart_max='normal';
+function setMainChartMax(m) {
+	if(!mainchart) return;
+
+	if(m == 'toggle') {
+		if(last_main_chart_max == 'maximized') m = 'normal';
+		else m = 'maximized';
+	}
+
+	if(m == "maximized") {
+		mainchart.chartOptions.theme = 'maximized';
+		//mainchart.chartOptions.axisTitlesPosition = 'in';
+		//mainchart.chartOptions.legend = {position: 'none'};
+		mainchart.chartOptions.hAxis.title = null;
+		mainchart.chartOptions.hAxis.viewWindowMode = 'maximized';
+		mainchart.chartOptions.vAxis.viewWindowMode = 'maximized';
+		mainchart.chartOptions.chartArea = {'width': '98%', 'height': '100%'};
+	}
+	else {
+		mainchart.chartOptions.hAxis.title = null;
+		mainchart.chartOptions.theme = null;
+		mainchart.chartOptions.hAxis.viewWindowMode = null;
+		mainchart.chartOptions.vAxis.viewWindowMode = null;
+		mainchart.chartOptions.chartArea = {'width': '80%', 'height': '90%'};
+	}
+	$('.mainchart_max_button').button(m);
+	last_main_chart_max = m;
+	mainchart.last_updated = 0;
+}
+
+function setMainChartGroup(g, norefresh) {
+	if(!mainchart) return;
+
+	mainchart.group = g;
+
+	if(!mainchart.before && !mainchart.after)
+		calculateChartPointsToShow(mainchart, mainchart.chartOptions.isStacked?MAINCHART_STACKED_POINTS_DIVISOR:MAINCHART_POINTS_DIVISOR, mainchart.max_time_to_show, mainchart.group, ENABLE_CURVE);
+	else
+		calculateChartPointsToShow(mainchart, mainchart.chartOptions.isStacked?MAINCHART_STACKED_POINTS_DIVISOR:MAINCHART_POINTS_DIVISOR, 0, mainchart.group, ENABLE_CURVE);
+
+	if(!norefresh) {
+		mainchart.last_updated = 0;
+	}
+}
+
+var last_main_chart_avg = null;
+function setMainChartGroupMethod(g, norefresh) {
+	if(!mainchart) return;
+
+	if(g == 'toggle') {
+		if(last_main_chart_avg == 'max') g = 'average';
+		else g = 'max';
+	}
+
+	mainchart.group_method = g;
+
+	$('.mainchart_avg_button').button(g);
+
+	if(!norefresh) {
+		mainchart.last_updated = 0;
+	}
+
+	last_main_chart_avg = g;
+}
+
+function setMainChartPlay(p) {
+	if(!mainchart) return;
+
+	if(p == 'toggle') {
+		if(refresh_mode != REFRESH_ALWAYS) p = 'play';
+		else p = 'pause';
+	}
+
+	if(p == 'play') {
+		//mainchart.chartOptions.explorer = null;
+		mainchart.after = 0;
+		mainchart.before = 0;
+		calculateChartPointsToShow(mainchart, mainchart.chartOptions.isStacked?MAINCHART_STACKED_POINTS_DIVISOR:MAINCHART_POINTS_DIVISOR, mainchart.max_time_to_show, 0, ENABLE_CURVE);
+		$('#group' + mainchart.group).trigger('click');
+		mainchart.last_updated = 0;
+		mainchart.hiddenchart.last_updated = 0;
+		playGraphs();
+	}
+	else {
+		//mainchart.chartOptions.explorer = {
+		//	'axis': 'horizontal',
+		//	'maxZoomOut': 1,
+		//};
+		//mainchart.last_updated = 0;
+
+		//if(!renderChart(mainchart, pauseGraphs))
+		pauseGraphs();
+	}
+}
+
+function buttonGlobalPlayPause(p) {
+	if(mode == MODE_MAIN) {
+		setMainChartPlay(p);
+		return;
+	}
+
+	if(p == 'toggle') {
+		if(refresh_mode != REFRESH_ALWAYS) p = 'play';
+		else p = 'pause';
+	}
+
+	if(p == 'play') playGraphs();
+	else pauseGraphs();
+}
+
+
+// ------------------------------------------------------------------------
+// Chart resizing
+
+function screenWidth() {
+	return (($(window).width() * 0.95) - 50);
+}
+
+// calculate the proper width for the thumb charts
+function thumbWidth() {
+	var cwidth = screenWidth();
+	var items = Math.round(cwidth / TARGET_THUMB_GRAPH_WIDTH);
+	if(items < 1) items = 1;
+
+	if(items > 1 && (cwidth / items) < MINIMUM_THUMB_GRAPH_WIDTH) items--;
+
+	return Math.round(cwidth / items) - 1;
+}
+
+function groupChartSizes() {
+	var s = { width: screenWidth(), height: TARGET_GROUP_GRAPH_HEIGHT };
+
+	var count = 0;
+	if(groupCharts) $.each(groupCharts, function(i, c) {
+		if(c.enabled) count++;
+	});
+
+	if(count == 0) {
+		s.width = TARGET_GROUP_GRAPH_HEIGHT;
+		s.height = TARGET_GROUP_GRAPH_HEIGHT;
+	}
+	else {
+		if(s.width < MINIMUM_THUMB_GRAPH_WIDTH) s.width = screenWidth();
+		s.height = ($(window).height() - 130) / count - 10;
+	}
+
+	if(s.height < TARGET_GROUP_GRAPH_HEIGHT)
+		s.height = TARGET_GROUP_GRAPH_HEIGHT;
+
+	return s;
+}
+
+// resize all charts
+// if the thumb charts need resize in their width, reset them
+function resizeCharts() {
+	var width = screenWidth();
+
+	if(mainchart) {
+		mainchart.chartOptions.width = width;
+		mainchart.chartOptions.height = $(window).height() - 150 - MAINCHART_CONTROL_HEIGHT;
+		mainchart.last_updated = 0;
+
+		mainchart.hidden_wrapper.setOption('width', width);
+		mainchart.control_wrapper.setOption('ui.chartOptions.width', width);
+		mainchart.hiddenchart.chartOptions.width = width;
+		mainchart.hiddenchart.last_updated = 0;
+	}
+
+	width = thumbWidth();
+	$.each(allCharts, function(i, c) {
+		if(c.enabled) {
+			cleanThisChart(c);
+			c.chartOptions.width = width;
+			calculateChartPointsToShow(c, c.chartOptions.isStacked?THUMBS_STACKED_POINTS_DIVISOR:THUMBS_POINTS_DIVISOR, THUMBS_MAX_TIME_TO_SHOW, -1, ENABLE_CURVE);
+			showChartIsLoading(c.div, c.name, c.chartOptions.width, c.chartOptions.height);
+			document.getElementById(c.id + '_thumb_actions_div').innerHTML = thumbChartActions(i, c);
+			c.last_updated = 0;
+		}
+	});
+
+	if(groupCharts) $.each(groupCharts, function(i, c) {
+		var sizes = groupChartSizes();
+
+		if(c.enabled) {
+			cleanThisChart(c);
+			c.chartOptions.width = sizes.width;
+			c.chartOptions.height = sizes.height;
+			calculateChartPointsToShow(c, c.chartOptions.isStacked?GROUPS_STACKED_POINTS_DIVISOR:GROUPS_POINTS_DIVISOR, GROUPS_MAX_TIME_TO_SHOW, -1, ENABLE_CURVE);
+			showChartIsLoading(c.div, c.name, c.chartOptions.width, c.chartOptions.height);
+			document.getElementById(c.id + '_group_actions_div').innerHTML = groupChartActions(i, c);
+			c.last_updated = 0;
+		}
+	});
+
+	updateUI();
+}
+
+window.onresize = function(event) {
+	resize_request = true;
+};
+
+
+// ------------------------------------------------------------------------
+// Core of the thread refreshing the charts
+
+var REFRESH_PAUSED = 0;
+var REFRESH_ALWAYS = 1;
+
+var refresh_mode = REFRESH_PAUSED;
+var last_refresh = 0;
+function playGraphs() {
+	mylog('playGraphs()');
+	if(refresh_mode == REFRESH_ALWAYS) return;
+
+	//mylog('PlayGraphs()');
+	refresh_mode = REFRESH_ALWAYS;
+	$('.mainchart_play_button').button('play');
+	$('.global_play_button').button('play');
+
+	// check if the thread died due to a javascript error
+	var now = new Date().getTime();
+	if((now - last_refresh) > 60000) {
+		// it died or never started
+		//mylog('It seems the refresh thread died. Restarting it.');
+		renderChartCallback();
+	}
+}
+
+function pauseGraphs() {
+	mylog('pauseGraphs()');
+	if(refresh_mode == REFRESH_PAUSED) return;
+
+	refresh_mode = REFRESH_PAUSED;
+	$('.mainchart_play_button').button('pause');
+	$('.global_play_button').button('pause');
+}
+
+var interval = null;
+function checkRefreshThread() {
+	if(interval == null) {
+		interval = setInterval(checkRefreshThread, 2000);
+		return;
+	}
+
+	var now = new Date().getTime();
+	if(now - last_refresh > 60000) {
+		mylog('Refresh thread died. Restarting it.');
+		renderChartCallback();
+	}
+}
+
+// refresh the proper chart
+// this is an internal function.
+// never call it directly, or new javascript threads will be spawn
+var timeout = null;
+function renderChartCallback() {
+	last_refresh = new Date().getTime();
+
+	if(!page_is_visible) {
+		timeout = setTimeout(triggerRefresh, CHARTS_CHECK_NO_FOCUS);
+		return;
+	}
+
+	if(resize_request) {
+		mylog('renderChartCallback() resize_request is set');
+		cleanupCharts();
+		resizeCharts();
+		resize_request = false;
+		// refresh_mode = REFRESH_ALWAYS;
+	}
+
+	if(last_user_scroll) {
+		var now = new Date().getTime();
+		if((now - last_user_scroll) >= CHARTS_SCROLL_IDLE) {
+			last_user_scroll = 0;
+			mylog('Scrolling: resuming refresh...');
+		}
+		else {
+			mylog('Scrolling: pausing refresh for ' + (CHARTS_SCROLL_IDLE - (now - last_user_scroll)) + ' ms...');
+			timeout = setTimeout(triggerRefresh, CHARTS_SCROLL_IDLE - (now - last_user_scroll));
+			return;
+		}
+	}
+
+	if(refresh_mode == REFRESH_PAUSED) {
+		if(mode == MODE_MAIN && mainchart.last_updated == 0) {
+			mainChartRefresh();
+			return;
+		}
+
+		if(mode != MODE_MAIN) {
+			timeout = setTimeout(triggerRefresh, CHARTS_REFRESH_IDLE);
+			return;
+		}
+	}
+
+	     if(mode == MODE_THUMBS)		timeout = setTimeout(thumbChartsRefreshNext, CHARTS_REFRESH_LOOP);
+	else if(mode == MODE_GROUP_THUMBS)  timeout = setTimeout(groupChartsRefreshNext, CHARTS_REFRESH_LOOP);
+	else if(mode == MODE_MAIN)   		timeout = setTimeout(mainChartRefresh, CHARTS_REFRESH_LOOP);
+	else                         		timeout = setTimeout(triggerRefresh, CHARTS_REFRESH_IDLE);
+}
+
+// callback for refreshing the charts later
+// this is an internal function.
+// never call it directly, or new javascript threads will be spawn
+function triggerRefresh() {
+	//mylog('triggerRefresh()');
+
+	if(!page_is_visible || (refresh_mode == REFRESH_PAUSED && mode != MODE_MAIN)) {
+		last_refresh = new Date().getTime();
+		timeout = setTimeout(triggerRefresh, CHARTS_REFRESH_IDLE);
+		return;
+	}
+
+	     if(mode == MODE_THUMBS) 		timeout = setTimeout(renderChartCallback, CHARTS_REFRESH_IDLE);
+	else if(mode == MODE_GROUP_THUMBS)	timeout = setTimeout(renderChartCallback, CHARTS_REFRESH_IDLE);
+	else if(mode == MODE_MAIN)   		timeout = setTimeout(renderChartCallback, CHARTS_REFRESH_IDLE);
+	else                         		timeout = setTimeout(triggerRefresh, CHARTS_REFRESH_IDLE);
+}
+
+// refresh the main chart
+// make sure we don't loose the refreshing thread
+function mainChartRefresh() {
+	//mylog('mainChartRefresh()');
+
+	if(mode != MODE_MAIN || !mainchart) {
+		triggerRefresh();
+		return;
+	}
+
+	if(refresh_mode == REFRESH_PAUSED && mainchart.last_updated != 0) {
+		hiddenChartRefresh();
+		return;
+	}
+
+	if(!renderChart(mainchart, hiddenChartRefresh))
+		hiddenChartRefresh();
+}
+
+function hiddenChartRefresh() {
+	refreshHiddenChart(triggerRefresh);
+}
+
+function roundRobinRenderChart(charts, startat) {
+	var refreshed = false;
+
+	// find a chart to refresh
+	var all = charts.length;
+	var cur = startat + 1;
+	var count = 0;
+
+	for(count = 0; count < all ; count++, cur++) {
+		if(cur >= all) cur = 0;
+
+		if(charts[cur].enabled) {
+			refreshed = renderChart(charts[cur], renderChartCallback);
+			if(refreshed) {
+				mylog('Refreshed: ' + charts[cur].name);
+				break;
+			}
+		}
+	}
+
+	if(!refreshed) triggerRefresh();
+	return cur;
+}
+
+// refresh the thumb charts
+// make sure we don't loose the refreshing thread
+var last_thumb_updated = 0;
+function thumbChartsRefreshNext() {
+	//mylog('thumbChartsRefreshNext()');
+
+	if(allCharts.length == 0 || mode != MODE_THUMBS) {
+		triggerRefresh();
+		return;
+	}
+
+	last_thumb_updated = roundRobinRenderChart(allCharts, last_thumb_updated);
+}
+
+// refresh the group charts
+// make sure we don't loose the refreshing thread
+var last_group_updated = 0;
+function groupChartsRefreshNext() {
+	//mylog('groupChartsRefreshNext()');
+
+	if(!groupCharts || groupCharts.length == 0 || mode != MODE_GROUP_THUMBS) {
+		//mylog('cannot refresh charts');
+		triggerRefresh();
+		return;
+	}
+
+	last_group_updated = roundRobinRenderChart(groupCharts, last_group_updated);
+}
+
+
+// ------------------------------------------------------------------------
+// switch the screen between views
+// these should be called only from initXXXX()
+
+function disableChart(i) {
+	mylog('disableChart(' + i + ')');
+
+	var chart = null;
+
+	var count = 0;
+	if(mode == MODE_GROUP_THUMBS && groupCharts) {
+		$.each(groupCharts, function(i, c) {
+			if(c.enabled) count++;
+		});
+
+		if(i < groupCharts.length) chart = groupCharts[i];
+	}
+	else if(mode == MODE_THUMBS) {
+		$.each(allCharts, function(i, c) {
+			if(c.enabled) count++;
+		});
+
+		if(i < allCharts.length) chart = allCharts[i];
+	}
+
+	if(!chart) return;
+
+	if(count <= 1) {
+		alert('Cannot close the last chart shown.');
+		return;
+	}
+
+	if(chart) {
+		mylog("request to disable chart " + chart.name);
+		chart.disablethisplease = true;
+		resize_request = true;
+	}
+	else
+		mylog("no chart to disable");
+}
+
+function cleanThisChart(chart, emptydivs) {
+	//mylog('cleanThisChart(' + chart.name + ', ' + emptydivs +')');
+
+	if(chart.dashboard) {
+		chart.dashboard.clear();
+		chart.dashboard = null;
+
+		if(chart.control_wrapper) {
+			chart.control_wrapper.clear();
+			chart.control_wrapper = null;
+		}
+
+		if(chart.hidden_wrapper) {
+			chart.hidden_wrapper.clear();
+			chart.hidden_wrapper = null;
+		}
+
+		chart.control_data = null;
+	}
+
+	if(chart.chart) chart.chart.clearChart();
+	chart.chart = null;
+
+	if(emptydivs) {
+		var div = document.getElementById(chart.div);
+		if(div) {
+			div.style.display = 'none';
+			div.innerHTML = "";
+		}
+
+		div = document.getElementById(chart.div + "_parent");
+		if(div) {
+			div.style.display = 'none';
+			div.innerHTML = "";
+		}
+	}
+
+	//mylog("chart " + chart.name + " cleaned with option " + emptydivs);
+}
+
+// cleanup the previously shown charts
+function cleanupCharts() {
+	// mylog('cleanupCharts()');
+
+	if(mode != MODE_MAIN && mainchart) {
+		if(mainchart.chart) cleanThisChart(mainchart);
+		mainchart = null;
+	}
+
+	if(mode != MODE_GROUP_THUMBS && groupCharts) {
+		clearGroupGraphs();
+	}
+
+	// cleanup the disabled charts
+	$.each(allCharts, function(i, c) {
+		if(c.disablethisplease && c.enabled) {
+			cleanThisChart(c, 'emptydivs');
+			c.disablethisplease = false;
+			c.enabled = false;
+			resize_request = true;
+			mylog("removed thumb chart " + c.name + " removed");
+		}
+	});
+
+	if(groupCharts) $.each(groupCharts, function(i, c) {
+		if(c.disablethisplease && c.enabled) {
+			cleanThisChart(c, 'emptydivs');
+			c.disablethisplease = false;
+			c.enabled = false;
+			resize_request = true;
+			mylog("removed group chart " + c.name + " removed");
+		}
+	});
+
+	// we never cleanup the main chart
+}
+
+function updateUI() {
+	$('[data-toggle="tooltip"]').tooltip({'container': 'body', 'html': true});
+
+	$('[data-spy="scroll"]').each(function () {
+		var $spy = $(this).scrollspy('refresh')
+	})
+}
+
+var thumbsScrollPosition = null;
+function switchToMainGraph() {
+	//mylog('switchToMainGraph()');
+
+	if(!mainchart) return;
+
+	if(!groupCharts) thumbsScrollPosition = window.pageYOffset;
+
+	document.getElementById('maingraph_container').style.display = 'block';
+	document.getElementById('thumbgraphs_container').style.display = 'none';
+	document.getElementById('groupgraphs_container').style.display = 'none';
+	document.getElementById('splash_container').style.display = 'none';
+
+	document.getElementById("main_menu_div").innerHTML = "<ul class=\"nav navbar-nav\"><li><a href=\"javascript:switchToThumbGraphs();\"><span class=\"glyphicon glyphicon-circle-arrow-left\"></span> Back to Dashboard</a></li><li class=\"active\"><a href=\"#\">" + mainchart.name + "</a></li>" + familiesmainmenu + chartsmainmenu + "</ul>" ;
+
+	window.scrollTo(0, 0);
+
+	mode = MODE_MAIN;
+	playGraphs();
+	updateUI();
+}
+
+function switchToThumbGraphs() {
+	//mylog('switchToThumbGraphs()');
+
+	document.getElementById('maingraph_container').style.display = 'none';
+	document.getElementById('thumbgraphs_container').style.display = 'block';
+	document.getElementById('groupgraphs_container').style.display = 'none';
+	document.getElementById('splash_container').style.display = 'none';
+
+	document.getElementById("main_menu_div").innerHTML = mainmenu;
+
+	if(thumbsScrollPosition) window.scrollTo(0, thumbsScrollPosition);
+
+	// switch mode
+	mode = MODE_THUMBS;
+	playGraphs();
+	updateUI();
+}
+
+function switchToGroupGraphs() {
+	//mylog('switchToGroupGraphs()');
+
+	if(!groupCharts) return;
+
+	if(!mainchart) thumbsScrollPosition = window.pageYOffset;
+
+	document.getElementById('maingraph_container').style.display = 'none';
+	document.getElementById('thumbgraphs_container').style.display = 'none';
+	document.getElementById('groupgraphs_container').style.display = 'block';
+	document.getElementById('splash_container').style.display = 'none';
+
+	document.getElementById("main_menu_div").innerHTML = "<ul class=\"nav navbar-nav\"><li><a href=\"javascript:switchToThumbGraphs();\"><span class=\"glyphicon glyphicon-circle-arrow-left\"></span> Back to Dashboard</a></li><li class=\"active\"><a href=\"#\">" + groupCharts[0].family + "</a></li>" + familiesmainmenu + chartsmainmenu + "</ul>";
+
+	window.scrollTo(0, 0);
+
+	mode = MODE_GROUP_THUMBS;
+	playGraphs();
+	updateUI();
+}
+
+
+// ------------------------------------------------------------------------
+// Group Charts
+
+var groupCharts = null;
+function initGroupGraphs(group) {
+	var count = 0;
+
+	if(groupCharts) clearGroupGraphs();
+	groupCharts = new Array();
+
+	var groupbody = "";
+	$.each(allCharts, function(i, c) {
+		if(c.family == group) {
+			groupCharts[count] = [];
+			groupCharts[count] = $.extend(true, {}, c);
+			groupCharts[count].div += "_group";
+			groupCharts[count].enabled = true;
+			groupCharts[count].chart = null;
+			groupCharts[count].last_updated = 0;
+			count++;
+		}
+	});
+	groupCharts.sort(chartssort);
+
+	var sizes = groupChartSizes();
+
+	var groupbody = "";
+	$.each(groupCharts, function(i, c) {
+		c.chartOptions.width = sizes.width;
+		c.chartOptions.height = sizes.height;
+		c.chartOptions.chartArea.width = '85%';
+		c.chartOptions.chartArea.height = '90%';
+		c.chartOptions.hAxis.textPosition = 'in';
+		c.chartOptions.hAxis.viewWindowMode = 'maximized';
+		c.chartOptions.hAxis.textStyle = { "fontSize": 9 };
+		c.chartOptions.vAxis.textStyle = { "fontSize": 9 };
+		c.chartOptions.fontSize = 11;
+		c.chartOptions.titlePosition = 'in';
+		c.chartOptions.tooltip = { "textStyle": { "fontSize": 9 } };
+		c.chartOptions.legend = { "textStyle": { "fontSize": 9 } };
+
+		calculateChartPointsToShow(c, c.chartOptions.isStacked?GROUPS_STACKED_POINTS_DIVISOR:GROUPS_POINTS_DIVISOR, GROUPS_MAX_TIME_TO_SHOW, -1, ENABLE_CURVE);
+
+		groupbody += "<div class=\"thumbgraph\" id=\"" + c.div + "_parent\"><table><tr><td width='" + sizes.width + "'><div class=\"thumbgraph\" id=\"" + c.div + "\">" + chartIsLoadingHTML(c.name, c.chartOptions.width, c.chartOptions.height) + "</div></td><td id=\"" + c.id + "_group_actions_div\" align=\"center\">" + groupChartActions(i, c) + "</td></tr><tr><td width='15'></td></tr></table></div>";
+		//groupbody += "<div class=\"thumbgraph\" id=\"" + c.div + "\">" + chartIsLoadingHTML(c.name, c.chartOptions.width, c.chartOptions.height) + "</div>";
+	});
+	groupbody += "";
+
+	document.getElementById("groupgraphs").innerHTML = groupbody;
+	switchToGroupGraphs();
+}
+
+function clearGroupGraphs() {
+	if(groupCharts && groupCharts.length) {
+		$.each(groupCharts, function(i, c) {
+			cleanThisChart(c, 'emptydivs');
+		});
+
+		groupCharts = null;
+	}
+
+	document.getElementById("groupgraphs").innerHTML = "";
+}
+
+
+// ------------------------------------------------------------------------
+// Global entry point
+// initialize the thumb charts
+
+var last_user_scroll = 0;
+
+// load the charts from the server
+// generate html for the thumbgraphs to support them
+function initCharts() {
+	setPresentationNormal(1);
+
+	var width = thumbWidth();
+	var height = TARGET_THUMB_GRAPH_HEIGHT;
+
+	window.onscroll = function (e) {
+		last_user_scroll = new Date().getTime();
+		mylog('Scrolling: detected');
+	}
+
+	loadCharts(null, function(all) {
+		allCharts = all.charts;
+
+		if(allCharts == null || allCharts.length == 0) {
+			alert("Cannot load data from server.");
+			return;
+		}
+
+		var thumbsContainer = document.getElementById("thumbgraphs");
+		if(!thumbsContainer) {
+			alert("Cannot find the thumbsContainer");
+			return;
+		}
+
+		allCharts.sort(chartssort);
+
+		document.getElementById('hostname_id').innerHTML = all.hostname;
+		document.title = all.hostname;
+
+		// create an array for grouping all same-type graphs together
+		var dimensions = 0;
+		var categories = new Array();
+		var families = new Array();
+		var chartslist = new Array();
+		$.each(allCharts, function(i, c) {
+			var j;
+
+			chartslist.push({name: c.name, type: c.type, id: i});
+
+			dimensions += c.dimensions.length;
+			c.chartOptions.width = width;
+			c.chartOptions.height = height;
+
+			// calculate how many point to show for each chart
+			//c.points_to_show = Math.round(c.entries / c.group) - 1;
+			// show max 10 mins of data
+			//if(c.points_to_show * c.group > THUMBS_MAX_TIME_TO_SHOW) c.points_to_show = THUMBS_MAX_TIME_TO_SHOW / c.group;
+			calculateChartPointsToShow(c, c.chartOptions.isStacked?THUMBS_STACKED_POINTS_DIVISOR:THUMBS_POINTS_DIVISOR, THUMBS_MAX_TIME_TO_SHOW, -1, ENABLE_CURVE);
+
+			if(c.enabled) {
+				var h = "<div class=\"thumbgraph\" id=\"" + c.div + "_parent\"><table><tr><td><div class=\"thumbgraph\" id=\"" + c.div + "\">" + chartIsLoadingHTML(c.name, c.chartOptions.width, c.chartOptions.height) + "</div></td></tr><tr><td id=\"" + c.id + "_thumb_actions_div\" align=\"center\">"
+				+ thumbChartActions(i, c)
+				+	"</td></tr><tr><td height='15'></td></tr></table></div>";
+
+				// find the categories object for this type
+				for(j = 0; j < categories.length ;j++) {
+					if(categories[j].name == c.type) {
+						categories[j].html += h;
+						categories[j].count++;
+						break;
+					}
+				}
+
+				if(j == categories.length)
+					categories.push({name: c.type, title: c.category, description: '', priority: c.categoryPriority, count: 1, glyphicon: c.glyphicon, html: h});
+			}
+
+			// find the families object for this type
+			for(j = 0; j < families.length ;j++) {
+				if(families[j].name == c.family) {
+					families[j].count++;
+					break;
+				}
+			}
+
+			if(j == families.length)
+				families.push({name: c.family, count: 1});
+		});
+
+		document.getElementById('server_summary_id').innerHTML = "<small>NetData server at <b>" + all.hostname + "</b> is maintaining <b>" + allCharts.length + "</b> charts, having <b>" + dimensions + "</b> dimensions (by default with <b>" + all.history + "</b> entries each), which are updated every <b>" + all.update_every + "s</b>, using a total of <b>" + (Math.round(all.memory * 10 / 1024 / 1024) / 10) + " MB</b> for the round robin database.</small>";
+
+		$.each(categories, function(i, a) {
+			a.html = "<tr><td id=\"" + a.name + "\"><ol class=\"breadcrumb graphs\"><li class=\"active\"><span class=\"glyphicon " + a.glyphicon + "\"></span> &nbsp; <a id=\"" + a.name + "\" href=\"#" + a.name + "\"><b>" + a.title + "</b> " + a.description + " </a></li></ol></td></tr><tr><td><div class=\"thumbgraphs\">" + a.html + "</td></tr>";
+		});
+
+		function categoriessort(a, b) {
+			if(a.priority < b.priority) return -1;
+			return 1;
+		}
+		categories.sort(categoriessort);
+
+		function familiessort(a, b) {
+			if(a.name < b.name) return -1;
+			return 1;
+		}
+		families.sort(familiessort);
+
+		function chartslistsort(a, b) {
+			if(a.name < b.name) return -1;
+			return 1;
+		}
+		chartslist.sort(chartslistsort);
+
+		// combine all the htmls into one
+		var allcategories = "<table width=\"100%\">";
+		mainmenu = '<ul class="nav navbar-nav">';
+
+		categoriesmainmenu = '<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown"><span class=\"glyphicon glyphicon-fire\"></span> Dashboard Sections <b class="caret"></b></a><ul class="dropdown-menu">';
+		$.each(categories, function(i, a) {
+			allcategories += a.html;
+			categoriesmainmenu += "<li><a href=\"#" + a.name + "\">" + a.title + "</a></li>";
+		});
+		categoriesmainmenu += "</ul></li>";
+		allcategories += "</table>";
+
+		familiesmainmenu = '<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown"><span class=\"glyphicon glyphicon-th-large\"></span> Chart Families <b class="caret"></b></a><ul class="dropdown-menu">';
+		$.each(families, function(i, a) {
+			familiesmainmenu += "<li><a href=\"javascript:initGroupGraphs('" + a.name + "');\">" + a.name + " <span class=\"badge pull-right\">" + a.count + "</span></a></li>";
+		});
+		familiesmainmenu += "</ul></li>";
+
+		chartsmainmenu = '<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown"><span class=\"glyphicon glyphicon-resize-full\"></span> All Charts <b class="caret"></b></a><ul class="dropdown-menu">';
+		$.each(chartslist, function(i, a) {
+			chartsmainmenu += "<li><a href=\"javascript:initMainChartIndexOfMyCharts('" + a.id + "');\">" + a.name + "</a></li>";
+		});
+		chartsmainmenu += "</ul></li>";
+
+		mainmenu += categoriesmainmenu;
+		mainmenu += familiesmainmenu;
+		mainmenu += chartsmainmenu;
+		mainmenu += '<li role="presentation" class="disabled" style="display: none;"><a href="#" id="logline"></a></li></ul>';
+
+		thumbsContainer.innerHTML = allcategories;
+		switchToThumbGraphs();
+		checkRefreshThread();
+	});
+}
+
+$(window).blur(function() {
+	page_is_visible = 0;
+	mylog('Lost Focus!');
+});
+
+$(window).focus(function() {
+	page_is_visible = 1;
+	mylog('Focus restored!');
+});
+
+// Set a callback to run when the Google Visualization API is loaded.
+google.setOnLoadCallback(initCharts);
diff --git a/web/old/netdata.js b/web/old/netdata.js
new file mode 100755
index 00000000..f1af0a67
--- /dev/null
+++ b/web/old/netdata.js
@@ -0,0 +1,502 @@
+// fix old IE bug with console
+if(!window.console){ window.console = {log: function(){} }; }
+
+// Load the Visualization API and the piechart package.
+google.load('visualization', '1.1', {'packages':['corechart']});
+//google.load('visualization', '1.1', {'packages':['controls']});
+
+function canChartBeRefreshed(chart) {
+	// is it enabled?
+	if(!chart.enabled) return false;
+
+	// is there something selected on the chart?
+	if(chart.chart && chart.chart.getSelection()[0]) return false;
+
+	// is it too soon for a refresh?
+	var now = new Date().getTime();
+	if((now - chart.last_updated) < (chart.group * chart.update_every * 1000)) return false;
+
+	// is the chart in the visible area?
+	//console.log(chart.div);
+	if($('#' + chart.div).visible(true) == false) return false;
+
+	// ok, do it
+	return true;
+}
+
+function generateChartURL(chart) {
+	// build the data URL
+	var url = chart.url;
+	url += chart.points_to_show?chart.points_to_show.toString():"all";
+	url += "/";
+	url += chart.group?chart.group.toString():"1";
+	url += "/";
+	url += chart.group_method?chart.group_method:"average";
+	url += "/";
+	url += chart.after?chart.after.toString():"0";
+	url += "/";
+	url += chart.before?chart.before.toString():"0";
+	url += "/";
+	url += chart.non_zero?"nonzero":"all";
+	url += "/";
+
+	return url;
+}
+
+function renderChart(chart, doNext) {
+	if(canChartBeRefreshed(chart) == false) return false;
+
+	$.ajax({
+		url: generateChartURL(chart),
+		dataType:"json",
+		cache: false
+	})
+	.done(function(jsondata) {
+		if(!jsondata || jsondata.length == 0) return;
+		chart.jsondata = jsondata;
+
+		// Create our data table out of JSON data loaded from server.
+		chart.datatable = new google.visualization.DataTable(chart.jsondata);
+		//console.log(chart.datatable);
+
+		// cleanup once every 50 updates
+		// we don't cleanup on every single, to avoid firefox flashing effect
+		if(chart.chart && chart.refreshCount > 50) {
+			chart.chart.clearChart();
+			chart.chart = null;
+			chart.refreshCount = 0;
+		}
+
+		// Instantiate and draw our chart, passing in some options.
+		if(!chart.chart) {
+			// console.log('Creating new chart for ' + chart.url);
+			if(chart.chartType == "LineChart")
+				chart.chart = new google.visualization.LineChart(document.getElementById(chart.div));
+			else
+				chart.chart = new google.visualization.AreaChart(document.getElementById(chart.div));
+		}
+
+		if(chart.chart) {
+			chart.chart.draw(chart.datatable, chart.chartOptions);
+			chart.refreshCount++;
+			chart.last_updated = new Date().getTime();
+		}
+		else console.log('Cannot create chart for ' + chart.url);
+	})
+	.fail(function() {
+		// to avoid an infinite loop, let's assume it was refreshed
+		if(chart.chart) chart.chart.clearChart();
+		chart.chart = null;
+		chart.refreshCount = 0;
+		showChartIsLoading(chart.div, chart.name, chart.chartOptions.width, chart.chartOptions.height, "failed to refresh");
+		chart.last_updated = new Date().getTime();
+	})
+	.always(function() {
+		if(typeof doNext == "function") doNext();
+	});
+
+	return true;
+}
+
+function chartIsLoadingHTML(name, width, height, message)
+{
+	return "<table><tr><td align=\"center\" width=\"" + width + "\" height=\"" + height + "\" style=\"vertical-align:middle\"><h4><span class=\"glyphicon glyphicon-refresh\"></span><br/><br/>" + name + "<br/><br/><span class=\"label label-default\">" + (message?message:"loading chart...") + "</span></h4></td></tr></table>";
+}
+
+function showChartIsLoading(id, name, width, height, message) {
+	document.getElementById(id).innerHTML = chartIsLoadingHTML(name, width, height, message);
+}
+
+// calculateChartPointsToShow
+// calculate the chart group and point to show properties.
+// This uses the chartOptions.width and the supplied divisor
+// to calculate the propers values so that the chart will
+// be visually correct (not too much or too less points shown).
+//
+// c = the chart
+// divisor = when calculating screen points, divide width with this
+//           if all screen points are used the chart will be overcrowded
+//           the default is 2
+// maxtime = the maxtime to show
+//           the default is to render all the server data
+// group   = the required grouping on points
+//           if undefined or negative, any calculated value will be used
+//           if zero, one of 1,2,5,10,15,20,30,45,60 will be used
+
+function calculateChartPointsToShow(c, divisor, maxtime, group, enable_curve) {
+	// console.log('calculateChartPointsToShow( c = ' + c.id + ',  divisor = ' + divisor + ', maxtime = ' + maxtime + ', group = ' + group + ' )');
+
+	if(!divisor) divisor = 2;
+
+	var before = c.before?c.before:new Date().getTime() / 1000;
+	var after = c.after?c.after:c.first_entry_t;
+
+	var dt = before - after;
+	if(dt > c.entries * c.update_every) dt = c.entries * c.update_every;
+
+	// console.log('chart ' + c.id + ' internal duration is ' + dt + ' secs, requested maxtime is ' + maxtime + ' secs');
+
+	if(!maxtime) maxtime = c.entries * c.update_every;
+	dt = maxtime;
+
+	var data_points = Math.round(dt / c.update_every);
+	if(!data_points) data_points = 100;
+
+	var screen_points = Math.round(c.chartOptions.width / divisor);
+	if(!screen_points) screen_points = 100;
+
+	// console.log('screen_points = ' + screen_points + ', data_points = ' + data_points + ', divisor = ' + divisor);
+
+	if(group == undefined || group <= 0) {
+		if(screen_points > data_points) {
+			c.group = 1;
+			c.points_to_show = data_points;
+			// console.log("rendering at full detail (group = " + c.group + ", points_to_show = " + c.points_to_show + ')');
+		}
+		else {
+			c.group = Math.round(data_points / screen_points);
+
+			     if(c.group > 60) c.group = 90;
+			else if(c.group > 45) c.group = 60;
+			else if(c.group > 30) c.group = 45;
+			else if(c.group > 20) c.group = 30;
+			else if(c.group > 15) c.group = 20;
+			else if(c.group > 10) c.group = 15;
+			else if(c.group > 5) c.group = 10;
+			else if(c.group > 4) c.group = 5;
+			else if(c.group > 3) c.group = 4;
+			else if(c.group > 2) c.group = 3;
+			else if(c.group > 1) c.group = 2;
+			else c.group = 1;
+
+			c.points_to_show = Math.round(data_points / c.group);
+			// console.log("rendering adaptive (group = " + c.group + ", points_to_show = " + c.points_to_show + ')');
+		}
+	}
+	else {
+		c.group = group;
+		c.points_to_show = Math.round(data_points / group);
+		// console.log("rendering with supplied group (group = " + c.group + ", points_to_show = " + c.points_to_show + ')');
+	}
+
+	// console.log("final configuration (group = " + c.group + ", points_to_show = " + c.points_to_show + ')');
+
+	// make sure the line width is not congesting the chart
+	if(c.chartType == 'LineChart') {
+		if(c.points_to_show > c.chartOptions.width / 3) {
+			c.chartOptions.lineWidth = 1;
+		}
+
+		else {
+			c.chartOptions.lineWidth = 2;
+		}
+	}
+	else if(c.chartType == 'AreaChart') {
+		if(c.points_to_show > c.chartOptions.width / 2)
+			c.chartOptions.lineWidth = 0;
+		else
+			c.chartOptions.lineWidth = 1;
+	}
+
+	// do not render curves when we don't have at
+	// least 2 twice the space per point
+	if(!enable_curve || c.points_to_show > (c.chartOptions.width * c.chartOptions.lineWidth / 2) )
+		c.chartOptions.curveType = 'none';
+	else
+		c.chartOptions.curveType = c.default_curveType;
+
+	var hpoints = Math.round(maxtime / 30);
+	if(hpoints > 10) hpoints = 10;
+	c.chartOptions.hAxis.gridlines.count = hpoints;
+}
+
+
+// loadCharts()
+// fetches all the charts from the server
+// returns an array of objects, containing all the server metadata
+// (not the values of the graphs - just the info about the graphs)
+
+function loadCharts(base_url, doNext) {
+	$.ajax({
+		url: ((base_url)?base_url:'') + '/all.json',
+		dataType: 'json',
+		cache: false
+	})
+	.done(function(json) {
+		$.each(json.charts, function(i, value) {
+			json.charts[i].div = json.charts[i].name.replace(/\./g,"_");
+			json.charts[i].div = json.charts[i].div.replace(/\-/g,"_");
+			json.charts[i].div = json.charts[i].div + "_div";
+
+			// make sure we have the proper values
+			if(!json.charts[i].update_every) chart.update_every = 1;
+			if(base_url) json.charts[i].url = base_url + json.charts[i].url;
+
+			json.charts[i].last_updated = 0;
+			json.charts[i].thumbnail = false;
+			json.charts[i].refreshCount = 0;
+			json.charts[i].group = 1;
+			json.charts[i].points_to_show = 0;	// all
+			json.charts[i].group_method = "max";
+
+			json.charts[i].chart = null;
+			json.charts[i].jsondata = null;
+			json.charts[i].datatable = null;
+			json.charts[i].before = 0;
+			json.charts[i].after = 0;
+
+			// if it is detail, disable it by default
+			if(json.charts[i].isdetail) json.charts[i].enabled = false;
+
+			// set default chart options
+			json.charts[i].chartOptions = {
+				width: 400,
+				height: 200,
+				lineWidth: 1,
+				title: json.charts[i].title,
+				fontSize: 11,
+				hAxis: {
+				//	title: "Time of Day",
+				//	format:'HH:mm:ss',
+					viewWindowMode: 'maximized',
+					slantedText: false,
+					format:'HH:mm:ss',
+					textStyle: {
+						fontSize: 9
+					},
+					gridlines: {
+						color: '#EEE'
+					}
+				},
+				vAxis: {
+					title: json.charts[i].units,
+					viewWindowMode: 'pretty',
+					minValue: -0.1,
+					maxValue: 0.1,
+					direction: 1,
+					textStyle: {
+						fontSize: 9
+					},
+					gridlines: {
+						color: '#EEE'
+					}
+				},
+				chartArea: {
+					width: '65%',
+					height: '80%'
+				},
+				focusTarget: 'category',
+				annotation: {
+					'1': {
+						style: 'line'
+					}
+				},
+				pointsVisible: 0,
+				titlePosition: 'out',
+				titleTextStyle: {
+					fontSize: 11
+				},
+				tooltip: {
+					isHtml: true,
+					ignoreBounds: true,
+					textStyle: {
+						fontSize: 9
+					}
+				}
+			};
+
+			json.charts[i].default_curveType = 'none';
+
+			// set the chart type
+			switch(json.charts[i].chart_type) {
+				case "area":
+					json.charts[i].chartType = "AreaChart";
+					json.charts[i].chartOptions.isStacked = false;
+					json.charts[i].chartOptions.areaOpacity = 0.3;
+
+					json.charts[i].chartOptions.vAxis.viewWindowMode = 'maximized';
+					json.charts[i].non_zero = 0;
+
+					json.charts[i].group = 3;
+					break;
+
+				case "stacked":
+					json.charts[i].chartType = "AreaChart";
+					json.charts[i].chartOptions.isStacked = true;
+					json.charts[i].chartOptions.areaOpacity = 0.85;
+					json.charts[i].chartOptions.lineWidth = 1;
+					json.charts[i].group_method = "average";
+					json.charts[i].non_zero = 1;
+
+					json.charts[i].chartOptions.vAxis.viewWindowMode = 'maximized';
+					json.charts[i].chartOptions.vAxis.minValue = null;
+					json.charts[i].chartOptions.vAxis.maxValue = null;
+
+					json.charts[i].group = 10;
+					break;
+
+				default:
+				case "line":
+					json.charts[i].chartType = "LineChart";
+					json.charts[i].chartOptions.lineWidth = 2;
+					json.charts[i].non_zero = 0;
+
+					json.charts[i].default_curveType = 'function';
+
+					json.charts[i].group = 3;
+					break;
+			}
+
+			// the category name, and other options, per type
+			switch(json.charts[i].type) {
+				case "system":
+					json.charts[i].category = "System";
+					json.charts[i].categoryPriority = 10;
+					json.charts[i].glyphicon = "glyphicon-dashboard";
+
+					if(json.charts[i].id == "system.cpu" || json.charts[i].id == "system.ram") {
+						json.charts[i].chartOptions.vAxis.minValue = 0;
+						json.charts[i].chartOptions.vAxis.maxValue = 100;
+					}
+					else {
+						json.charts[i].chartOptions.vAxis.minValue = -0.1;
+						json.charts[i].chartOptions.vAxis.maxValue =  0.1;
+					}
+					break;
+
+				case "net":
+					json.charts[i].category = "Network";
+					json.charts[i].categoryPriority = 20;
+					json.charts[i].glyphicon = "glyphicon-transfer";
+
+					// disable IFB and net.lo devices by default
+					if((json.charts[i].id.substring(json.charts[i].id.length - 4, json.charts[i].id.length) == "-ifb")
+						|| json.charts[i].id == "net.lo")
+						json.charts[i].enabled = false;
+					break;
+
+				case "tc":
+					json.charts[i].category = "Quality of Service";
+					json.charts[i].categoryPriority = 30;
+					json.charts[i].glyphicon = "glyphicon-random";
+					break;
+
+				case "ipvs":
+					json.charts[i].category = "IP Virtual Server";
+					json.charts[i].categoryPriority = 40;
+					json.charts[i].glyphicon = "glyphicon-sort";
+					break;
+
+				case "netfilter":
+					json.charts[i].category = "Netfilter";
+					json.charts[i].categoryPriority = 50;
+					json.charts[i].glyphicon = "glyphicon-cloud";
+					break;
+
+				case "ipv4":
+					json.charts[i].category = "IPv4";
+					json.charts[i].categoryPriority = 60;
+					json.charts[i].glyphicon = "glyphicon-globe";
+					break;
+
+				case "mem":
+					json.charts[i].category = "Memory";
+					json.charts[i].categoryPriority = 70;
+					json.charts[i].glyphicon = "glyphicon-dashboard";
+					break;
+
+				case "cpu":
+					json.charts[i].category = "CPU";
+					json.charts[i].categoryPriority = 80;
+					json.charts[i].glyphicon = "glyphicon-dashboard";
+
+					if(json.charts[i].id.substring(0, 7) == "cpu.cpu") {
+						json.charts[i].chartOptions.vAxis.minValue = 0;
+						json.charts[i].chartOptions.vAxis.maxValue = 100;
+					}
+					break;
+
+				case "disk":
+					json.charts[i].category = "Disks";
+					json.charts[i].categoryPriority = 90;
+					json.charts[i].glyphicon = "glyphicon-hdd";
+					break;
+
+				case "nfsd":
+					json.charts[i].category = "NFS Server";
+					json.charts[i].categoryPriority = 100;
+					json.charts[i].glyphicon = "glyphicon-hdd";
+					break;
+
+				case "nut":
+					json.charts[i].category = "UPS";
+					json.charts[i].categoryPriority = 110;
+					json.charts[i].glyphicon = "glyphicon-dashboard";
+					break;
+
+				case "netdata":
+					json.charts[i].category = "NetData";
+					json.charts[i].categoryPriority = 3000;
+					json.charts[i].glyphicon = "glyphicon-thumbs-up";
+					break;
+
+				case "apps":
+					json.charts[i].category = "Apps";
+					json.charts[i].categoryPriority = 4000;
+					json.charts[i].glyphicon = "glyphicon-tasks";
+					break;
+
+				case "squid":
+					json.charts[i].category = "Squid";
+					json.charts[i].categoryPriority = 5000;
+					json.charts[i].glyphicon = "glyphicon-link";
+					break;
+
+				case "example":
+					json.charts[i].category = "Examples";
+					json.charts[i].categoryPriority = 9000;
+					json.charts[i].glyphicon = "glyphicon-search";
+					break;
+
+				default:
+					json.charts[i].category = json.charts[i].type;
+					json.charts[i].categoryPriority = 1000;
+					json.charts[i].glyphicon = "glyphicon-search";
+					break;
+			}
+		});
+
+		if(typeof doNext == "function") doNext(json);
+	})
+	.fail(function() {
+		if(typeof doNext == "function") doNext();
+	});
+};
+
+// jquery visible plugin
+(function($){
+
+	/**
+	 * Copyright 2012, Digital Fusion
+	 * Licensed under the MIT license.
+	 * http://teamdf.com/jquery-plugins/license/
+	 *
+	 * @author Sam Sehnert
+	 * @desc A small plugin that checks whether elements are within
+	 *		 the user visible viewport of a web browser.
+	 *		 only accounts for vertical position, not horizontal.
+	 */
+	$.fn.visible = function(partial){
+
+	    var $t				= $(this),
+	    	$w				= $(window),
+	    	viewTop			= $w.scrollTop(),
+	    	viewBottom		= viewTop + $w.height(),
+	    	_top			= $t.offset().top,
+	    	_bottom			= _top + $t.height(),
+	    	compareTop		= partial === true ? _bottom : _top,
+	    	compareBottom	= partial === true ? _top : _bottom;
+
+		return ((compareBottom <= viewBottom) && (compareTop >= viewTop));
+    };
+})(jQuery);
diff --git a/web/old/theme.css b/web/old/theme.css
new file mode 100644
index 00000000..02525336
--- /dev/null
+++ b/web/old/theme.css
@@ -0,0 +1,87 @@
+/* http://stackoverflow.com/questions/17005500/bootstrap-css-responsive-left-with-a-white-space-on-the-right */
+
+html {
+  width: auto !important;
+  overflow-x: hidden !important;
+}
+
+body {
+  width: auto !important;
+  overflow-x: hidden !important;
+  padding-top: 70px;
+  padding-bottom: 30px;
+}
+
+.theme-dropdown .dropdown-menu {
+  position: static;
+  display: block;
+  margin-bottom: 20px;
+}
+
+.theme-showcase > p > .btn {
+  margin: 5px 0;
+}
+
+.thumbgraph {
+	float: left;
+}
+
+.thumbgraphs {
+	width: 100%;
+}
+
+.thumbtitle {
+	float: none;
+	width: 100%;
+}
+
+.thumbgroup {
+	float: none;
+	width: 100%;
+}
+
+.container.graphs {
+	width: 98%;
+}
+
+.breadcrumb.graphs {
+    margin-top: 10px;
+    margin-bottom: 10px;
+}
+
+.dropdown-menu {
+    max-height: 500px;
+    overflow-y: auto;
+    overflow-x: hidden;
+}
+
+.google-visualization-tooltip-action: hover {
+  background-color: #eeeeee;
+}
+.google-visualization-tooltip {
+  border: solid 1px #bdbdbd;
+  border-radius: 2px;
+  background-color: white;
+  box-shadow: 0px 2px 2px 0px rgba(204, 204, 204, 0.6);
+  font-size: 9px;
+  -moz-box-shadow: 0px 2px 2px 0px rgba(204, 204, 204, 0.6);
+  -webkit-box-shadow: 0px 2px 2px 0px rgba(204, 204, 204, 0.6);
+  position: absolute;
+  line-height: 90% !important;
+  margin: 0 0 0 0 !important;
+  padding: 0.5em 0.1em 0.5em 0.1em !important;
+  width: 180px !important;
+  z-index: 1000 !important;
+}
+.google-visualization-tooltip-item-list {
+  list-style-type: none;
+  margin: 0 0 0 0 !important;
+  padding: 0 0 0 0 !important;
+}
+.google-visualization-tooltip-item {
+  margin: 0 0 0 0 !important;
+}
+.google-visualization-tooltip-item-list
+.google-visualization-tooltip-item:first-child {
+  margin: 0 0 0 0 !important;
+}
diff --git a/web/robots.txt b/web/robots.txt
new file mode 100644
index 00000000..1f53798b
--- /dev/null
+++ b/web/robots.txt
@@ -0,0 +1,2 @@
+User-agent: *
+Disallow: /