96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
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/*
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logger.c -- logging code
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Copyright (C) 2003 Guus Sliepen <guus@sliepen.eu.org>
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2003 Ivo Timmermans <ivo@o2w.nl>
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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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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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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 Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: logger.c,v 1.1.2.1 2003/07/06 22:11:31 guus Exp $
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <syslog.h>
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#include "conf.h"
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#include "logger.h"
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#include "system.h"
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volatile int debug_level = DEBUG_NOTHING;
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int logmode = LOGMODE_STDERR;
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pid_t logpid;
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extern char *logfilename;
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FILE *logfile = NULL;
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const char *logident = NULL;
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void openlogger(const char *ident, int mode) {
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char *fname;
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logident = ident;
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logmode = mode;
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switch(mode) {
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case LOGMODE_STDERR:
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logpid = getpid();
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break;
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case LOGMODE_FILE:
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logpid = getpid();
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logfile = fopen(logfilename, "a");
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if(!logfile)
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logmode = LOGMODE_NULL;
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break;
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case LOGMODE_SYSLOG:
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openlog(logident, LOG_CONS | LOG_PID, LOG_DAEMON);
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break;
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}
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}
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void vlogger(int priority, const char *format, va_list ap) {
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switch(logmode) {
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case LOGMODE_STDERR:
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vfprintf(stderr, format, ap);
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fprintf(stderr, "\n");
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break;
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case LOGMODE_FILE:
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fprintf(logfile, "%d %s[%d]: ", time(NULL), logident, logpid);
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vfprintf(logfile, format, ap);
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fprintf(logfile, "\n");
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break;
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case LOGMODE_SYSLOG:
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#ifdef HAVE_VSYSLOG
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vsyslog(priority, format, ap);
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#else
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{
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char message[4096];
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vsnprintf(message, sizeof(message), format, ap);
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syslog(priority, "%s", message);
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}
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#endif
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break;
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}
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}
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void closelogger(void) {
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switch(logmode) {
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case LOGMODE_FILE:
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fclose(logfile);
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break;
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case LOGMODE_SYSLOG:
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closelog();
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break;
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}
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}
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