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-rw-r--r--node.d/Makefile.am26
-rw-r--r--node.d/README.md0
-rwxr-xr-xnode.d/named.node.js586
-rw-r--r--node.d/node_modules/asn1.js20
-rw-r--r--node.d/node_modules/ber/errors.js13
-rw-r--r--node.d/node_modules/ber/index.js27
-rw-r--r--node.d/node_modules/ber/reader.js261
-rw-r--r--node.d/node_modules/ber/types.js36
-rw-r--r--node.d/node_modules/ber/writer.js316
-rw-r--r--node.d/node_modules/extend.js87
-rw-r--r--node.d/node_modules/net-snmp.js1466
-rwxr-xr-xnode.d/node_modules/netdata.js612
-rw-r--r--node.d/node_modules/pixl-xml.js606
-rwxr-xr-xnode.d/sma_webbox.node.js237
-rwxr-xr-xnode.d/snmp.node.js436
15 files changed, 4729 insertions, 0 deletions
diff --git a/node.d/Makefile.am b/node.d/Makefile.am
new file mode 100644
index 000000000..ae7eeac52
--- /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 000000000..e69de29bb
--- /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 000000000..c2b15eae7
--- /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 000000000..d1766e7a6
--- /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 000000000..ff21d4fab
--- /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 000000000..4fb90aea9
--- /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 000000000..0a00e98e3
--- /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 000000000..8aea00013
--- /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 000000000..d9d99af68
--- /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 000000000..0fdd8be22
--- /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 000000000..6fbd4e721
--- /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 000000000..9834534ee
--- /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 000000000..481acbaeb
--- /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 000000000..5ed1c55a7
--- /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 000000000..21615f623
--- /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;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 16:00:11 +0000