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authorFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
committerFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
commit9ce153ce7167c11adba8ac225edc7a707e97c6eb (patch)
tree9f6e849cce2dcc7e5b4e9e6252c843dc2d0787a2 /src/proc_net_dev.c
downloadnetdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.tar.xz
netdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.zip
Imported Upstream version 1.0.0upstream/1.0.0
Diffstat (limited to 'src/proc_net_dev.c')
-rwxr-xr-xsrc/proc_net_dev.c247
1 files changed, 247 insertions, 0 deletions
diff --git a/src/proc_net_dev.c b/src/proc_net_dev.c
new file mode 100755
index 000000000..5070ab817
--- /dev/null
+++ b/src/proc_net_dev.c
@@ -0,0 +1,247 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+int do_proc_net_dev(int update_every, unsigned long long dt) {
+ static procfile *ff = NULL;
+ static int enable_new_interfaces = -1, enable_ifb_interfaces = -1;
+ static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1, do_events = -1;
+
+ if(dt) {};
+
+ if(!ff) {
+ char filename[FILENAME_MAX + 1];
+ snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/dev");
+ ff = procfile_open(config_get("plugin:proc:/proc/net/dev", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
+ }
+ if(!ff) return 1;
+
+ ff = procfile_readall(ff);
+ if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+ if(enable_new_interfaces == -1) enable_new_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable new interfaces detected at runtime", CONFIG_ONDEMAND_ONDEMAND);
+ if(enable_ifb_interfaces == -1) enable_ifb_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable ifb interfaces", CONFIG_ONDEMAND_NO);
+
+ if(do_bandwidth == -1) do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "bandwidth for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+ if(do_packets == -1) do_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+ if(do_errors == -1) do_errors = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "errors for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+ if(do_drops == -1) do_drops = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "drops for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+ if(do_fifo == -1) do_fifo = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "fifo for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+ if(do_compressed == -1) do_compressed = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "compressed packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+ if(do_events == -1) do_events = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "frames, collisions, carrier counters for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
+
+ uint32_t lines = procfile_lines(ff), l;
+ uint32_t words;
+
+ char *iface;
+ unsigned long long rbytes, rpackets, rerrors, rdrops, rfifo, rframe, rcompressed, rmulticast;
+ unsigned long long tbytes, tpackets, terrors, tdrops, tfifo, tcollisions, tcarrier, tcompressed;
+
+ for(l = 2; l < lines ;l++) {
+ words = procfile_linewords(ff, l);
+ if(words < 17) continue;
+
+ iface = procfile_lineword(ff, l, 0);
+
+ rbytes = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+ rpackets = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+ rerrors = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+ rdrops = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+ rfifo = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+ rframe = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+ rcompressed = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+ rmulticast = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+
+ tbytes = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+ tpackets = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+ terrors = strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+ tdrops = strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+ tfifo = strtoull(procfile_lineword(ff, l, 13), NULL, 10);
+ tcollisions = strtoull(procfile_lineword(ff, l, 14), NULL, 10);
+ tcarrier = strtoull(procfile_lineword(ff, l, 15), NULL, 10);
+ tcompressed = strtoull(procfile_lineword(ff, l, 16), NULL, 10);
+
+ int ddo_bandwidth = do_bandwidth, ddo_packets = do_packets, ddo_errors = do_errors, ddo_drops = do_drops, ddo_fifo = do_fifo, ddo_compressed = do_compressed, ddo_events = do_events;
+
+ int default_enable = enable_new_interfaces;
+
+ // prevent unused interfaces from creating charts
+ if(strcmp(iface, "lo") == 0)
+ default_enable = 0;
+ else {
+ int len = strlen(iface);
+ if(len >= 4 && strcmp(&iface[len-4], "-ifb") == 0)
+ default_enable = enable_ifb_interfaces;
+ }
+
+ // check if the user wants it
+ {
+ char var_name[512 + 1];
+ snprintf(var_name, 512, "plugin:proc:/proc/net/dev:%s", iface);
+ default_enable = config_get_boolean_ondemand(var_name, "enabled", default_enable);
+ if(default_enable == CONFIG_ONDEMAND_NO) continue;
+ if(default_enable == CONFIG_ONDEMAND_ONDEMAND && !rbytes && !tbytes) continue;
+
+ ddo_bandwidth = config_get_boolean_ondemand(var_name, "bandwidth", ddo_bandwidth);
+ ddo_packets = config_get_boolean_ondemand(var_name, "packets", ddo_packets);
+ ddo_errors = config_get_boolean_ondemand(var_name, "errors", ddo_errors);
+ ddo_drops = config_get_boolean_ondemand(var_name, "drops", ddo_drops);
+ ddo_fifo = config_get_boolean_ondemand(var_name, "fifo", ddo_fifo);
+ ddo_compressed = config_get_boolean_ondemand(var_name, "compressed", ddo_compressed);
+ ddo_events = config_get_boolean_ondemand(var_name, "events", ddo_events);
+
+ if(ddo_bandwidth == CONFIG_ONDEMAND_ONDEMAND && rbytes == 0 && tbytes == 0) ddo_bandwidth = 0;
+ if(ddo_errors == CONFIG_ONDEMAND_ONDEMAND && rerrors == 0 && terrors == 0) ddo_errors = 0;
+ if(ddo_drops == CONFIG_ONDEMAND_ONDEMAND && rdrops == 0 && tdrops == 0) ddo_drops = 0;
+ if(ddo_fifo == CONFIG_ONDEMAND_ONDEMAND && rfifo == 0 && tfifo == 0) ddo_fifo = 0;
+ if(ddo_compressed == CONFIG_ONDEMAND_ONDEMAND && rcompressed == 0 && tcompressed == 0) ddo_compressed = 0;
+ if(ddo_events == CONFIG_ONDEMAND_ONDEMAND && rframe == 0 && tcollisions == 0 && tcarrier == 0) ddo_events = 0;
+
+ // for absolute values, we need to switch the setting to 'yes'
+ // to allow it refresh from now on
+ // if(ddo_fifo == CONFIG_ONDEMAND_ONDEMAND) config_set(var_name, "fifo", "yes");
+ }
+
+ RRDSET *st;
+
+ // --------------------------------------------------------------------
+
+ if(ddo_bandwidth) {
+ st = rrdset_find_bytype("net", iface);
+ if(!st) {
+ st = rrdset_create("net", iface, NULL, iface, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
+
+ rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "received", rbytes);
+ rrddim_set(st, "sent", tbytes);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(ddo_packets) {
+ st = rrdset_find_bytype("net_packets", iface);
+ if(!st) {
+ st = rrdset_create("net_packets", iface, NULL, iface, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "multicast", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "received", rpackets);
+ rrddim_set(st, "sent", tpackets);
+ rrddim_set(st, "multicast", rmulticast);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(ddo_errors) {
+ st = rrdset_find_bytype("net_errors", iface);
+ if(!st) {
+ st = rrdset_create("net_errors", iface, NULL, iface, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "inbound", rerrors);
+ rrddim_set(st, "outbound", terrors);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(ddo_drops) {
+ st = rrdset_find_bytype("net_drops", iface);
+ if(!st) {
+ st = rrdset_create("net_drops", iface, NULL, iface, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "inbound", rdrops);
+ rrddim_set(st, "outbound", tdrops);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(ddo_fifo) {
+ st = rrdset_find_bytype("net_fifo", iface);
+ if(!st) {
+ st = rrdset_create("net_fifo", iface, NULL, iface, "net.fifo", "Interface FIFO Buffer Errors", "errors", 7004, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "receive", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "transmit", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "receive", rfifo);
+ rrddim_set(st, "transmit", tfifo);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(ddo_compressed) {
+ st = rrdset_find_bytype("net_compressed", iface);
+ if(!st) {
+ st = rrdset_create("net_compressed", iface, NULL, iface, "net.compressed", "Compressed Packets", "packets/s", 7005, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "received", rcompressed);
+ rrddim_set(st, "sent", tcompressed);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(ddo_events) {
+ st = rrdset_find_bytype("net_events", iface);
+ if(!st) {
+ st = rrdset_create("net_events", iface, NULL, iface, "net.events", "Network Interface Events", "events/s", 7006, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "frames", rframe);
+ rrddim_set(st, "collisions", tcollisions);
+ rrddim_set(st, "carrier", tcarrier);
+ rrdset_done(st);
+ }
+ }
+
+ return 0;
+}