src/proc_net_ip_vs_stats.c

   1 #include <inttypes.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4
   5 #include "common.h"
   6 #include "config.h"
   7 #include "procfile.h"
   8 #include "rrd.h"
   9 #include "plugin_proc.h"
  10
  11 #define RRD_TYPE_NET_IPVS                       "ipvs"
  12 #define RRD_TYPE_NET_IPVS_LEN           strlen(RRD_TYPE_NET_IPVS)
  13
  14 int do_proc_net_ip_vs_stats(int update_every, unsigned long long dt) {
  15         static int do_bandwidth = -1, do_sockets = -1, do_packets = -1;
  16         static procfile *ff = NULL;
  17
  18         if(do_bandwidth == -1)  do_bandwidth    = config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS bandwidth", 1);
  19         if(do_sockets == -1)    do_sockets              = config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS connections", 1);
  20         if(do_packets == -1)    do_packets              = config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS packets", 1);
  21
  22         if(dt) {};
  23
  24         if(!ff) ff = procfile_open("/proc/net/ip_vs_stats", " \t,:|", PROCFILE_FLAG_DEFAULT);
  25         if(!ff) return 1;
  26
  27         ff = procfile_readall(ff);
  28         if(!ff) return 0; // we return 0, so that we will retry to open it next time
  29
  30         // make sure we have 3 lines
  31         if(procfile_lines(ff) < 3) return 1;
  32
  33         // make sure we have 5 words on the 3rd line
  34         if(procfile_linewords(ff, 2) < 5) return 1;
  35
  36         unsigned long long entries, InPackets, OutPackets, InBytes, OutBytes;
  37
  38         entries         = strtoull(procfile_lineword(ff, 2, 0), NULL, 16);
  39         InPackets       = strtoull(procfile_lineword(ff, 2, 1), NULL, 16);
  40         OutPackets      = strtoull(procfile_lineword(ff, 2, 2), NULL, 16);
  41         InBytes         = strtoull(procfile_lineword(ff, 2, 3), NULL, 16);
  42         OutBytes        = strtoull(procfile_lineword(ff, 2, 4), NULL, 16);
  43
  44         RRDSET *st;
  45
  46         // --------------------------------------------------------------------
  47
  48         if(do_sockets) {
  49                 st = rrdset_find(RRD_TYPE_NET_IPVS ".sockets");
  50                 if(!st) {
  51                         st = rrdset_create(RRD_TYPE_NET_IPVS, "sockets", NULL, RRD_TYPE_NET_IPVS, "IPVS New Connections", "connections/s", 1001, update_every, RRDSET_TYPE_LINE);
  52
  53                         rrddim_add(st, "connections", NULL, 1, 1 * update_every, RRDDIM_INCREMENTAL);
  54                 }
  55                 else rrdset_next(st);
  56
  57                 rrddim_set(st, "connections", entries);
  58                 rrdset_done(st);
  59         }
  60
  61         // --------------------------------------------------------------------
  62
  63         if(do_packets) {
  64                 st = rrdset_find(RRD_TYPE_NET_IPVS ".packets");
  65                 if(!st) {
  66                         st = rrdset_create(RRD_TYPE_NET_IPVS, "packets", NULL, RRD_TYPE_NET_IPVS, "IPVS Packets", "packets/s", 1002, update_every, RRDSET_TYPE_LINE);
  67
  68                         rrddim_add(st, "received", NULL, 1, 1 * update_every, RRDDIM_INCREMENTAL);
  69                         rrddim_add(st, "sent", NULL, -1, 1 * update_every, RRDDIM_INCREMENTAL);
  70                 }
  71                 else rrdset_next(st);
  72
  73                 rrddim_set(st, "received", InPackets);
  74                 rrddim_set(st, "sent", OutPackets);
  75                 rrdset_done(st);
  76         }
  77
  78         // --------------------------------------------------------------------
  79
  80         if(do_bandwidth) {
  81                 st = rrdset_find(RRD_TYPE_NET_IPVS ".net");
  82                 if(!st) {
  83                         st = rrdset_create(RRD_TYPE_NET_IPVS, "net", NULL, RRD_TYPE_NET_IPVS, "IPVS Bandwidth", "kilobits/s", 1000, update_every, RRDSET_TYPE_AREA);
  84
  85                         rrddim_add(st, "received", NULL, 8, 1024 * update_every, RRDDIM_INCREMENTAL);
  86                         rrddim_add(st, "sent", NULL, -8, 1024 * update_every, RRDDIM_INCREMENTAL);
  87                 }
  88                 else rrdset_next(st);
  89
  90                 rrddim_set(st, "received", InBytes);
  91                 rrddim_set(st, "sent", OutBytes);
  92                 rrdset_done(st);
  93         }
  94
  95         return 0;
  96 }