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-rwxr-xr-xsrc/proc_net_netstat.c185
1 files changed, 185 insertions, 0 deletions
diff --git a/src/proc_net_netstat.c b/src/proc_net_netstat.c
new file mode 100755
index 00000000..3f178a4a
--- /dev/null
+++ b/src/proc_net_netstat.c
@@ -0,0 +1,185 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "log.h"
+#include "appconfig.h"
+#include "procfile.h"
+#include "rrd.h"
+#include "plugin_proc.h"
+
+int do_proc_net_netstat(int update_every, unsigned long long dt) {
+ static int do_bandwidth = -1, do_inerrors = -1, do_mcast = -1, do_bcast = -1, do_mcast_p = -1, do_bcast_p = -1;
+ static procfile *ff = NULL;
+
+ if(do_bandwidth == -1) do_bandwidth = config_get_boolean("plugin:proc:/proc/net/netstat", "bandwidth", 1);
+ if(do_inerrors == -1) do_inerrors = config_get_boolean("plugin:proc:/proc/net/netstat", "input errors", 1);
+ if(do_mcast == -1) do_mcast = config_get_boolean("plugin:proc:/proc/net/netstat", "multicast bandwidth", 1);
+ if(do_bcast == -1) do_bcast = config_get_boolean("plugin:proc:/proc/net/netstat", "broadcast bandwidth", 1);
+ if(do_mcast_p == -1) do_mcast_p = config_get_boolean("plugin:proc:/proc/net/netstat", "multicast packets", 1);
+ if(do_bcast_p == -1) do_bcast_p = config_get_boolean("plugin:proc:/proc/net/netstat", "broadcast packets", 1);
+
+ if(dt) {};
+
+ if(!ff) {
+ char filename[FILENAME_MAX + 1];
+ snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/netstat");
+ ff = procfile_open(config_get("plugin:proc:/proc/net/netstat", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+ }
+ if(!ff) return 1;
+
+ ff = procfile_readall(ff);
+ if(!ff) return 0; // we return 0, so that we will retry to open it next time
+
+ uint32_t lines = procfile_lines(ff), l;
+ uint32_t words;
+
+ for(l = 0; l < lines ;l++) {
+ if(strcmp(procfile_lineword(ff, l, 0), "IpExt") == 0) {
+ l++; // we need the next line
+
+ if(strcmp(procfile_lineword(ff, l, 0), "IpExt") != 0) {
+ error("Cannot read IpExt line from /proc/net/netstat.");
+ break;
+ }
+ words = procfile_linewords(ff, l);
+ if(words < 12) {
+ error("Cannot read /proc/net/netstat IpExt line. Expected 12 params, read %d.", words);
+ continue;
+ }
+
+ unsigned long long
+ InNoRoutes = 0, InTruncatedPkts = 0,
+ InOctets = 0, InMcastPkts = 0, InBcastPkts = 0, InMcastOctets = 0, InBcastOctets = 0,
+ OutOctets = 0, OutMcastPkts = 0, OutBcastPkts = 0, OutMcastOctets = 0, OutBcastOctets = 0;
+
+ InNoRoutes = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+ InTruncatedPkts = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+ InMcastPkts = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+ OutMcastPkts = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+ InBcastPkts = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+ OutBcastPkts = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+ InOctets = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+ OutOctets = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+ InMcastOctets = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+ OutMcastOctets = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+ InBcastOctets = strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+ OutBcastOctets = strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+
+ RRDSET *st;
+
+ // --------------------------------------------------------------------
+
+ if(do_bandwidth) {
+ st = rrdset_find("system.ipv4");
+ if(!st) {
+ st = rrdset_create("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
+
+ rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "sent", OutOctets);
+ rrddim_set(st, "received", InOctets);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(do_inerrors) {
+ st = rrdset_find("ipv4.inerrors");
+ if(!st) {
+ st = rrdset_create("ipv4", "inerrors", NULL, "errors", NULL, "IPv4 Input Errors", "packets/s", 4000, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "noroutes", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "trunkated", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "noroutes", InNoRoutes);
+ rrddim_set(st, "trunkated", InTruncatedPkts);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(do_mcast) {
+ st = rrdset_find("ipv4.mcast");
+ if(!st) {
+ st = rrdset_create("ipv4", "mcast", NULL, "multicast", NULL, "IPv4 Multicast Bandwidth", "kilobits/s", 9000, update_every, RRDSET_TYPE_AREA);
+ st->isdetail = 1;
+
+ rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "sent", OutMcastOctets);
+ rrddim_set(st, "received", InMcastOctets);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(do_bcast) {
+ st = rrdset_find("ipv4.bcast");
+ if(!st) {
+ st = rrdset_create("ipv4", "bcast", NULL, "broadcast", NULL, "IPv4 Broadcast Bandwidth", "kilobits/s", 8000, update_every, RRDSET_TYPE_AREA);
+ st->isdetail = 1;
+
+ rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "sent", OutBcastOctets);
+ rrddim_set(st, "received", InBcastOctets);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(do_mcast_p) {
+ st = rrdset_find("ipv4.mcastpkts");
+ if(!st) {
+ st = rrdset_create("ipv4", "mcastpkts", NULL, "multicast", NULL, "IPv4 Multicast Packets", "packets/s", 9500, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "sent", OutMcastPkts);
+ rrddim_set(st, "received", InMcastPkts);
+ rrdset_done(st);
+ }
+
+ // --------------------------------------------------------------------
+
+ if(do_bcast_p) {
+ st = rrdset_find("ipv4.bcastpkts");
+ if(!st) {
+ st = rrdset_create("ipv4", "bcastpkts", NULL, "broadcast", NULL, "IPv4 Broadcast Packets", "packets/s", 8500, update_every, RRDSET_TYPE_LINE);
+ st->isdetail = 1;
+
+ rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next(st);
+
+ rrddim_set(st, "sent", OutBcastPkts);
+ rrddim_set(st, "received", InBcastPkts);
+ rrdset_done(st);
+ }
+ }
+ }
+
+ return 0;
+}
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