155 lines
4.0 KiB
C
155 lines
4.0 KiB
C
/***************************************************************************
|
|
* 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 <unistd.h>
|
|
#include <string.h>
|
|
#include <getopt.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <signal.h>
|
|
|
|
#include "configfile.h"
|
|
#include "event.h"
|
|
#include "logging.h"
|
|
#include "network.h"
|
|
#include "rrdtool.h"
|
|
#include "pidfile.h"
|
|
#include "plugins.h"
|
|
#include "probe.h"
|
|
#include "signals.h"
|
|
|
|
#define DEFAULT_CONFIG "sammler.conf"
|
|
#define DEFAULT_LOGFILE "sammler.log"
|
|
#define DEFAULT_PIDFILE "sammler.pid"
|
|
|
|
static struct option opts[] = {
|
|
{"config", 1, 0, 'c'},
|
|
{"debug", 0, 0, 'd'},
|
|
{"help", 0, 0, 'h'},
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
char *config = DEFAULT_CONFIG;
|
|
int code, arg = 0, debug = 0;
|
|
|
|
do {
|
|
code = getopt_long(argc, argv, "c:dh", opts, &arg);
|
|
|
|
switch (code) {
|
|
case 'c': /* config */
|
|
config = optarg;
|
|
break;
|
|
|
|
case 'd': /* debug */
|
|
debug = 1;
|
|
break;
|
|
|
|
case 'h': /* help */
|
|
printf("Usage: sammler [options]\n"
|
|
"Options: \n"
|
|
" --config -c configfile use this configfile\n"
|
|
" --debug -d do not fork and log to stderr\n"
|
|
" --help -h this help\n"
|
|
"\n");
|
|
exit(0);
|
|
break;
|
|
|
|
case '?': /* error */
|
|
exit(1);
|
|
break;
|
|
|
|
default: /* unknown / all options parsed */
|
|
break;
|
|
}
|
|
} while (code != -1);
|
|
|
|
/* parse config file */
|
|
if (config_parse(config) < 0)
|
|
exit(1);
|
|
|
|
if (!debug) {
|
|
/* check pidfile */
|
|
const char *pidfile = config_get_string("global", "pidfile", DEFAULT_PIDFILE);
|
|
if (pidfile_check(pidfile, 1) != 0) {
|
|
log_print(LOG_ERROR, "sammler already running");
|
|
exit(1);
|
|
}
|
|
|
|
/* start logging */
|
|
const char *logfile = config_get_string("global", "logfile", DEFAULT_LOGFILE);
|
|
if (log_init(logfile) < 0)
|
|
exit(1);
|
|
|
|
/* zum daemon mutieren */
|
|
daemon(-1, 0);
|
|
|
|
/* create pidfile */
|
|
if (pidfile_create(pidfile) < 0) {
|
|
log_print(LOG_ERROR, "failed to create pidfile %s", pidfile);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
signal_init();
|
|
signal_set_callback(SIGHUP, event_loop_break);
|
|
|
|
log_print(LOG_EVERYTIME, "sammler started (pid:%d)", getpid());
|
|
|
|
while (1) {
|
|
if (probe_init())
|
|
break;
|
|
|
|
if (net_init())
|
|
break;
|
|
|
|
if (sammler_rrd_init())
|
|
break;
|
|
|
|
if (plugin_init())
|
|
break;
|
|
|
|
/* exited on restart / SIGUSR1 */
|
|
event_loop();
|
|
|
|
plugin_close();
|
|
|
|
net_close();
|
|
|
|
log_close();
|
|
|
|
config_free();
|
|
|
|
if (config_parse(config) < 0)
|
|
break;
|
|
|
|
const char *logfile = config_get_string("global", "logfile", DEFAULT_LOGFILE);
|
|
if (!debug && log_init(logfile) < 0)
|
|
break;
|
|
|
|
log_print(LOG_EVERYTIME, "sammler restarted (pid:%d) ", getpid());
|
|
}
|
|
|
|
return 0;
|
|
}
|