1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2016-2018 The TokTok team.
* Copyright © 2015-2016 Tox project.
*/
/*
* Tox DHT bootstrap daemon.
* Syslog logging backend.
*/
#include "log_backend_syslog.h"
#include "global.h"
#include "../../../toxcore/ccompat.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>
void log_backend_syslog_open(void)
{
openlog(DAEMON_NAME, LOG_NOWAIT | LOG_PID, LOG_DAEMON);
}
void log_backend_syslog_close(void)
{
closelog();
}
static int log_backend_syslog_level(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;
}
return LOG_INFO;
}
void log_backend_syslog_write(LOG_LEVEL level, const char *format, va_list args)
{
va_list args2;
va_copy(args2, args);
int size = vsnprintf(nullptr, 0, format, args2);
va_end(args2);
assert(size >= 0);
if (size < 0) {
return;
}
char *buf = (char *)malloc(size + 1);
vsnprintf(buf, size + 1, format, args);
syslog(log_backend_syslog_level(level), "%s", buf);
free(buf);
}
|
