mirror of
https://github.com/irungentoo/toxcore.git
synced 2024-03-22 13:30:51 +08:00
122 lines
2.5 KiB
C
122 lines
2.5 KiB
C
/* log.c
|
|
*
|
|
* Tox DHT bootstrap daemon.
|
|
* Logging utility with support of multipel logging backends.
|
|
*
|
|
* Copyright (C) 2015-2016 Tox project All Rights Reserved.
|
|
*
|
|
* This file is part of Tox.
|
|
*
|
|
* Tox 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Tox 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 Tox. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "log.h"
|
|
|
|
#include "global.h"
|
|
|
|
#include <syslog.h>
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
|
|
LOG_BACKEND current_backend = -1;
|
|
|
|
bool open_log(LOG_BACKEND backend)
|
|
{
|
|
if (current_backend != -1) {
|
|
return false;
|
|
}
|
|
|
|
if (backend == LOG_BACKEND_SYSLOG) {
|
|
openlog(DAEMON_NAME, LOG_NOWAIT | LOG_PID, LOG_DAEMON);
|
|
}
|
|
|
|
current_backend = backend;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool close_log()
|
|
{
|
|
if (current_backend == -1) {
|
|
return false;
|
|
}
|
|
|
|
if (current_backend == LOG_BACKEND_SYSLOG) {
|
|
closelog();
|
|
}
|
|
|
|
current_backend = -1;
|
|
|
|
return true;
|
|
}
|
|
|
|
int level_syslog(LOG_LEVEL level)
|
|
{
|
|
switch (level) {
|
|
case LOG_LEVEL_INFO:
|
|
return LOG_INFO;
|
|
|
|
case LOG_LEVEL_WARNING:
|
|
return LOG_WARNING;
|
|
|
|
case LOG_LEVEL_ERROR:
|
|
return LOG_ERR;
|
|
}
|
|
}
|
|
|
|
void log_syslog(LOG_LEVEL level, const char *format, va_list args)
|
|
{
|
|
vsyslog(level_syslog(level), format, args);
|
|
}
|
|
|
|
FILE *level_stdout(LOG_LEVEL level)
|
|
{
|
|
switch (level) {
|
|
case LOG_LEVEL_INFO:
|
|
return stdout;
|
|
|
|
case LOG_LEVEL_WARNING: // intentional fallthrough
|
|
case LOG_LEVEL_ERROR:
|
|
return stderr;
|
|
}
|
|
}
|
|
|
|
void log_stdout(LOG_LEVEL level, const char *format, va_list args)
|
|
{
|
|
vfprintf(level_stdout(level), format, args);
|
|
fflush(level_stdout(level));
|
|
}
|
|
|
|
bool write_log(LOG_LEVEL level, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
va_start(args, format);
|
|
|
|
switch (current_backend) {
|
|
case LOG_BACKEND_SYSLOG:
|
|
log_syslog(level, format, args);
|
|
break;
|
|
|
|
case LOG_BACKEND_STDOUT:
|
|
log_stdout(level, format, args);
|
|
break;
|
|
}
|
|
|
|
va_end(args);
|
|
|
|
return current_backend != -1;
|
|
}
|