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