rrd based system stats
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/***************************************************************************
* Copyright (C) 06/2006 by Olaf Rempel *
* razzor@kopf-tisch.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "helper.h"
#include "plugins.h"
#include "probe.h"
struct sammler_plugin plugin;
static const char *ds_def = {
"DS:byte_in:COUNTER:15:0:U "
"DS:byte_out:COUNTER:15:0:U "
"DS:pkt_in:COUNTER:15:0:U "
"DS:pkt_out:COUNTER:15:0:U "
};
static const char * get_ds(int ds_id)
{
return ds_def;
}
static int probe(void)
{
FILE *fp;
char *stats, *device;
char *val[16], filename[32];
int len;
fp = fopen("/proc/net/dev", "r");
if (fp == NULL) {
log_print(LOG_WARN, "plugin netdev");
return -1;
}
while (fgets(plugin.buffer, plugin.bufsize, fp) != NULL) {
if (!(stats = strchr(plugin.buffer, ':')))
continue;
*stats++ = '\0';
device = plugin.buffer;
while (*device == ' ')
device++;
if (*device == '\0')
continue;
if (strsplit(stats, " \t\n", val, 16) != 16)
continue;
len = snprintf(filename, sizeof(filename), "net-%s.rrd", device);
if (len < 0 || len >= sizeof(filename))
continue;
probe_submit(&plugin, filename, 0, "%s:%s:%s:%s",
val[0], val[8], val[1], val[9]);
}
fclose(fp);
return 0;
}
struct sammler_plugin plugin = {
.name = "netdev",
.interval = 10,
.bufsize = 1024,
.probe = &probe,
.get_ds = &get_ds,
};