src/proc_net_ip_vs_stats.c

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