125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
/***************************************************************************
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* Copyright (C) 10/2006 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 "configfile.h"
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#include "helper.h"
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#include "list.h"
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#include "logging.h"
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#include "plugins.h"
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#include "probe.h"
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struct sammler_plugin plugin;
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struct hwmon_entry {
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struct list_head list;
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char *name;
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char *path;
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};
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static LIST_HEAD(hwmon_list);
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static const char *ds_def = {
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"DS:temp:GAUGE:15:0:U "
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};
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static const 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 int probe(void)
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{
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struct hwmon_entry *entry;
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list_for_each_entry(entry, &hwmon_list, list) {
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FILE *fp = fopen(entry->path, "r");
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if (fp == NULL) {
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log_print(LOG_WARN, "plugin hwmon: fopen(%s)", entry->path);
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continue;
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}
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int temp;
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if (fscanf(fp, "%d\n", &temp) != 1) {
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log_print(LOG_WARN, "plugin hwmon: fscanf()");
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fclose(fp);
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continue;
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}
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fclose(fp);
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char filename[32];
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int len = snprintf(filename, sizeof(filename), "hwmon-%s.rrd", entry->name);
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if (len < 0 || len >= sizeof(filename))
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continue;
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probe_submit(&plugin, filename, 0, "%d", temp);
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}
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return 0;
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}
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static int init_cb(const char *parameter, void *privdata)
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{
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char *part[2];
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int ret = strsplit(parameter, ",", part, 2);
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if (ret != 2) {
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log_print(LOG_ERROR, "p_hwmon: parse error");
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return -1;
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}
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struct hwmon_entry *entry = malloc(sizeof(struct hwmon_entry));
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if (entry == NULL) {
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log_print(LOG_ERROR, "p_hwmon: out of memory");
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return -1;
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}
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entry->name = part[0];
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entry->path = part[1];
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log_print(LOG_DEBUG, "p_hwmon: added sensor '%s' (%s)", entry->name, entry->path);
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list_add_tail(&entry->list, &hwmon_list);
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return 0;
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}
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static int init(void)
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{
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config_get_strings("p_hwmon", "temp", init_cb, NULL);
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return 0;
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}
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static int fini(void)
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{
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struct hwmon_entry *entry, *tmp;
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list_for_each_entry_safe(entry, tmp, &hwmon_list, list)
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free(entry);
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return 0;
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}
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struct sammler_plugin plugin = {
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.name = "hwmon",
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.interval = 10,
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.init = &init,
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.fini = &fini,
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.probe = &probe,
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.get_ds = &get_ds,
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};
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