src/proc_net_ip_vs_stats.c

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