src/proc_net_ip_vs_stats.c

   1 #ifdef HAVE_CONFIG_H
   2 #include <config.h>
   3 #endif
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6
   7 #include "common.h"
   8 #include "appconfig.h"
   9 #include "procfile.h"
  10 #include "rrd.h"
  11 #include "plugin_proc.h"
  12
  13 #define RRD_TYPE_NET_IPVS                       "ipvs"
  14 #define RRD_TYPE_NET_IPVS_LEN           strlen(RRD_TYPE_NET_IPVS)
  15
  16 int do_proc_net_ip_vs_stats(int update_every, unsigned long long dt) {
  17         static int do_bandwidth = -1, do_sockets = -1, do_packets = -1;
  18         static procfile *ff = NULL;
  19
  20         if(do_bandwidth == -1)  do_bandwidth    = config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS bandwidth", 1);
  21         if(do_sockets == -1)    do_sockets              = config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS connections", 1);
  22         if(do_packets == -1)    do_packets              = config_get_boolean("plugin:proc:/proc/net/ip_vs_stats", "IPVS packets", 1);
  23
  24         if(dt) {};
  25
  26         if(!ff) {
  27                 char filename[FILENAME_MAX + 1];
  28                 snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/ip_vs_stats");
  29                 ff = procfile_open(config_get("plugin:proc:/proc/net/ip_vs_stats", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
  30         }
  31         if(!ff) return 1;
  32
  33         ff = procfile_readall(ff);
  34         if(!ff) return 0; // we return 0, so that we will retry to open it next time
  35
  36         // make sure we have 3 lines
  37         if(procfile_lines(ff) < 3) return 1;
  38
  39         // make sure we have 5 words on the 3rd line
  40         if(procfile_linewords(ff, 2) < 5) return 1;
  41
  42         unsigned long long entries, InPackets, OutPackets, InBytes, OutBytes;
  43
  44         entries         = strtoull(procfile_lineword(ff, 2, 0), NULL, 16);
  45         InPackets       = strtoull(procfile_lineword(ff, 2, 1), NULL, 16);
  46         OutPackets      = strtoull(procfile_lineword(ff, 2, 2), NULL, 16);
  47         InBytes         = strtoull(procfile_lineword(ff, 2, 3), NULL, 16);
  48         OutBytes        = strtoull(procfile_lineword(ff, 2, 4), NULL, 16);
  49
  50         RRDSET *st;
  51
  52         // --------------------------------------------------------------------
  53
  54         if(do_sockets) {
  55                 st = rrdset_find(RRD_TYPE_NET_IPVS ".sockets");
  56                 if(!st) {
  57                         st = rrdset_create(RRD_TYPE_NET_IPVS, "sockets", NULL, RRD_TYPE_NET_IPVS, "IPVS New Connections", "connections/s", 1001, update_every, RRDSET_TYPE_LINE);
  58
  59                         rrddim_add(st, "connections", NULL, 1, 1 * update_every, RRDDIM_INCREMENTAL);
  60                 }
  61                 else rrdset_next(st);
  62
  63                 rrddim_set(st, "connections", entries);
  64                 rrdset_done(st);
  65         }
  66
  67         // --------------------------------------------------------------------
  68
  69         if(do_packets) {
  70                 st = rrdset_find(RRD_TYPE_NET_IPVS ".packets");
  71                 if(!st) {
  72                         st = rrdset_create(RRD_TYPE_NET_IPVS, "packets", NULL, RRD_TYPE_NET_IPVS, "IPVS Packets", "packets/s", 1002, update_every, RRDSET_TYPE_LINE);
  73
  74                         rrddim_add(st, "received", NULL, 1, 1 * update_every, RRDDIM_INCREMENTAL);
  75                         rrddim_add(st, "sent", NULL, -1, 1 * update_every, RRDDIM_INCREMENTAL);
  76                 }
  77                 else rrdset_next(st);
  78
  79                 rrddim_set(st, "received", InPackets);
  80                 rrddim_set(st, "sent", OutPackets);
  81                 rrdset_done(st);
  82         }
  83
  84         // --------------------------------------------------------------------
  85
  86         if(do_bandwidth) {
  87                 st = rrdset_find(RRD_TYPE_NET_IPVS ".net");
  88                 if(!st) {
  89                         st = rrdset_create(RRD_TYPE_NET_IPVS, "net", NULL, RRD_TYPE_NET_IPVS, "IPVS Bandwidth", "kilobits/s", 1000, update_every, RRDSET_TYPE_AREA);
  90
  91                         rrddim_add(st, "received", NULL, 8, 1024 * update_every, RRDDIM_INCREMENTAL);
  92                         rrddim_add(st, "sent", NULL, -8, 1024 * update_every, RRDDIM_INCREMENTAL);
  93                 }
  94                 else rrdset_next(st);
  95
  96                 rrddim_set(st, "received", InBytes);
  97                 rrddim_set(st, "sent", OutBytes);
  98                 rrdset_done(st);
  99         }
 100
 101         return 0;
 102 }