sammler/plugins/alixusv.c
2009-04-19 18:28:19 +02:00

107 lines
3.2 KiB
C

/***************************************************************************
* Copyright (C) 04/2009 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 <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include "configfile.h"
#include "helper.h"
#include "list.h"
#include "logging.h"
#include "plugins.h"
#include "probe.h"
struct sammler_plugin plugin;
static const char *socket_path;
static const char *ds_def = {
"DS:ibat:GAUGE:15:U:U "
"DS:ubat:GAUGE:15:0:U "
"DS:uin:GAUGE:15:0:U "
};
static const char * get_ds(int ds_id)
{
return ds_def;
}
static int probe(void)
{
int sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sockfd == -1) {
log_print(LOG_WARN, "plugin alixusv: socket()");
return -1;
}
struct sockaddr_un addr;
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path));
int len = sizeof(addr.sun_family) + strlen(addr.sun_path);
if (connect(sockfd, (struct sockaddr *)&addr, len) < 0) {
log_print(LOG_ERROR, "plugin alixusv: connect(%s)", addr.sun_path);
close(sockfd);
return 0;
}
char buf[64] = "status";
write(sockfd, buf, strlen(buf));
len = read(sockfd, buf, sizeof(buf));
if (len <= 0) {
log_print(LOG_ERROR, "plugin alixusv: read()");
close(sockfd);
return -1;
}
close(sockfd);
char *field[4];
if (strsplit(buf, ": \t\n", field, 4) != 4)
return -1;
int ibat = strtoll(field[1], NULL, 10);
int ubat = strtoll(field[2], NULL, 10);
int uin = strtoll(field[3], NULL, 10);
probe_submit(&plugin, "alixusv.rrd", 0, "%d:%d:%d", ibat, ubat, uin);
return 0;
}
static int init(void)
{
socket_path = config_get_string("p_alixusv", "socket", NULL);
return (socket_path == NULL) ? -1 : 0;
}
struct sammler_plugin plugin = {
.name = "alixusv",
.interval = 10,
.init = &init,
.probe = &probe,
.get_ds = &get_ds,
};