2 logger.c -- logging code
3 Copyright (C) 2004-2006 Guus Sliepen <guus@tinc-vpn.org>
4 2004-2005 Ivo Timmermans
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License along
17 with this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 debug_t debug_level = DEBUG_NOTHING;
27 static logmode_t logmode = LOGMODE_STDERR;
29 extern char *logfilename;
30 static FILE *logfile = NULL;
32 static HANDLE loghandle = NULL;
34 static const char *logident = NULL;
36 void openlogger(const char *ident, logmode_t mode) {
46 logfile = fopen(logfilename, "a");
48 logmode = LOGMODE_NULL;
52 loghandle = RegisterEventSource(NULL, logident);
54 logmode = LOGMODE_NULL;
58 openlog(logident, LOG_CONS | LOG_PID, LOG_DAEMON);
67 void logger(int priority, const char *format, ...) {
74 vfprintf(stderr, format, ap);
75 fprintf(stderr, "\n");
79 fprintf(logfile, "%ld %s[%ld]: ", time(NULL), logident, (long)logpid);
80 vfprintf(logfile, format, ap);
81 fprintf(logfile, "\n");
88 const char *messages[] = {message};
89 vsnprintf(message, sizeof message, format, ap);
90 ReportEvent(loghandle, priority, 0, 0, NULL, 1, 0, messages, NULL);
95 vsyslog(priority, format, ap);
99 vsnprintf(message, sizeof message, format, ap);
100 syslog(priority, "%s", message);
113 void closelogger(void) {
120 DeregisterEventSource(loghandle);