/*
logger.c -- logging code
- Copyright (C) 2003 Guus Sliepen <guus@sliepen.eu.org>
- 2003 Ivo Timmermans <ivo@o2w.nl>
+ Copyright (C) 2004-2016 Guus Sliepen <guus@tinc-vpn.org>
+ 2004-2005 Ivo Timmermans
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
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 1.1.2.3 2003/07/12 17:41:45 guus Exp $
+ 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.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include <stdio.h>
-#include <stdarg.h>
-#include <syslog.h>
-#include <unistd.h>
+#include "system.h"
#include "conf.h"
#include "logger.h"
-#include "system.h"
-
-int debug_level = DEBUG_NOTHING;
-static int logmode = LOGMODE_STDERR;
+debug_t debug_level = DEBUG_NOTHING;
+static logmode_t logmode = LOGMODE_STDERR;
static pid_t logpid;
extern char *logfilename;
static FILE *logfile = NULL;
+#ifdef HAVE_MINGW
+static HANDLE loghandle = NULL;
+#endif
static const char *logident = NULL;
-void openlogger(const char *ident, int mode) {
+void openlogger(const char *ident, logmode_t mode) {
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;
+ case LOGMODE_STDERR:
+ logpid = getpid();
+ break;
+
+ case LOGMODE_FILE:
+ logpid = getpid();
+ logfile = fopen(logfilename, "a");
+
+ if(!logfile) {
+ fprintf(stderr, "Could not open log file %s: %s\n", logfilename, strerror(errno));
+ logmode = LOGMODE_NULL;
+ }
+
+ break;
+
+ case LOGMODE_SYSLOG:
+#ifdef HAVE_MINGW
+ loghandle = RegisterEventSource(NULL, logident);
+
+ if(!loghandle) {
+ fprintf(stderr, "Could not open log handle!");
+ logmode = LOGMODE_NULL;
+ }
+
+ break;
+#else
+#ifdef HAVE_SYSLOG_H
+ openlog(logident, LOG_CONS | LOG_PID, LOG_DAEMON);
+ break;
+#endif
+#endif
+
+ case LOGMODE_NULL:
+ break;
}
}
+void reopenlogger() {
+ if(logmode != LOGMODE_FILE) {
+ return;
+ }
+
+ fflush(logfile);
+ FILE *newfile = fopen(logfilename, "a");
+
+ if(!newfile) {
+ logger(LOG_ERR, "Unable to reopen log file %s: %s", logfilename, strerror(errno));
+ return;
+ }
+
+ fclose(logfile);
+ logfile = newfile;
+}
+
void logger(int priority, const char *format, ...) {
va_list ap;
+ char timestr[32] = "";
+ time_t now;
va_start(ap, format);
switch(logmode) {
- case LOGMODE_STDERR:
- vfprintf(stderr, format, ap);
- fprintf(stderr, "\n");
- break;
- case LOGMODE_FILE:
- fprintf(logfile, "%ld %s[%d]: ", time(NULL), logident, logpid);
- vfprintf(logfile, format, ap);
- fprintf(logfile, "\n");
- break;
- case LOGMODE_SYSLOG:
+ case LOGMODE_STDERR:
+ vfprintf(stderr, format, ap);
+ fprintf(stderr, "\n");
+ fflush(stderr);
+ break;
+
+ case LOGMODE_FILE:
+ now = time(NULL);
+ strftime(timestr, sizeof(timestr), "%Y-%m-%d %H:%M:%S", localtime(&now));
+ fprintf(logfile, "%s %s[%ld]: ", timestr, logident, (long)logpid);
+ vfprintf(logfile, format, ap);
+ fprintf(logfile, "\n");
+ fflush(logfile);
+ break;
+
+ case LOGMODE_SYSLOG:
+#ifdef HAVE_MINGW
+ {
+ char message[4096];
+ const char *messages[] = {message};
+ vsnprintf(message, sizeof(message), format, ap);
+ message[sizeof(message) - 1] = 0;
+ ReportEvent(loghandle, priority, 0, 0, NULL, 1, 0, messages, NULL);
+ }
+
+#else
+#ifdef HAVE_SYSLOG_H
#ifdef HAVE_VSYSLOG
- vsyslog(priority, format, ap);
+ vsyslog(priority, format, ap);
#else
- {
- char message[4096];
- vsnprintf(message, sizeof(message), format, ap);
- syslog(priority, "%s", message);
- }
+ {
+ char message[4096];
+ vsnprintf(message, sizeof(message), format, ap);
+ syslog(priority, "%s", message);
+ }
#endif
- break;
+ break;
+#endif
+#endif
+
+ case LOGMODE_NULL:
+ break;
}
va_end(ap);
void closelogger(void) {
switch(logmode) {
- case LOGMODE_FILE:
- fclose(logfile);
- break;
- case LOGMODE_SYSLOG:
- closelog();
- break;
+ case LOGMODE_FILE:
+ fclose(logfile);
+ break;
+
+ case LOGMODE_SYSLOG:
+#ifdef HAVE_MINGW
+ DeregisterEventSource(loghandle);
+ break;
+#else
+#ifdef HAVE_SYSLOG_H
+ closelog();
+ break;
+#endif
+#endif
+
+ case LOGMODE_NULL:
+ case LOGMODE_STDERR:
+ break;
+ break;
}
}
projects / tinc / blobdiff