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