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Import Upstream version 1.0.3

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This commit is contained in:
Guus Sliepen 2019-08-26 13:44:36 +02:00
parent ed8d36a434
commit c12028eeaa
196 changed files with 43077 additions and 32886 deletions
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src/logger.c Normal file
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/*
logger.c -- logging code
Copyright (C) 2004 Guus Sliepen <guus@tinc-vpn.org>
2004 Ivo Timmermans <ivo@tinc-vpn.org>
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 1374 2004-03-21 14:21:22Z guus $
*/
#include "system.h"
#include "conf.h"
#include "logger.h"
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, 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:
#ifdef HAVE_MINGW
loghandle = RegisterEventSource(NULL, logident);
if(!loghandle)
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 logger(int priority, const char *format, ...) {
va_list ap;
va_start(ap, format);
switch(logmode) {
case LOGMODE_STDERR:
vfprintf(stderr, format, ap);
fprintf(stderr, "\n");
fflush(stderr);
break;
case LOGMODE_FILE:
fprintf(logfile, "%ld %s[%ld]: ", time(NULL), logident, (long)logpid);
vfprintf(logfile, format, ap);
fprintf(logfile, "\n");
fflush(logfile);
break;
case LOGMODE_SYSLOG:
#ifdef HAVE_MINGW
{
char message[4096];
char *messages[] = {message};
vsnprintf(message, sizeof(message), format, ap);
ReportEvent(loghandle, priority, 0, 0, NULL, 1, 0, messages, NULL);
}
#else
#ifdef HAVE_SYSLOG_H
#ifdef HAVE_VSYSLOG
vsyslog(priority, format, ap);
#else
{
char message[4096];
vsnprintf(message, sizeof(message), format, ap);
syslog(priority, "%s", message);
}
#endif
break;
#endif
#endif
case LOGMODE_NULL:
break;
}
va_end(ap);
}
void closelogger(void) {
switch(logmode) {
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;
}
}