1 /*
2 *
3 * BlueZ - Bluetooth protocol stack for Linux
4 *
5 * Copyright (C) 2004-2009 Marcel Holtmann <marcel@holtmann.org>
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27
28 #include <stdio.h>
29 #include <stdarg.h>
30 #include <syslog.h>
31
32 #include "logging.h"
33
34 static volatile int debug_enabled = 0;
35
vinfo(const char * format,va_list ap)36 static inline void vinfo(const char *format, va_list ap)
37 {
38 vsyslog(LOG_INFO, format, ap);
39 }
40
info(const char * format,...)41 void info(const char *format, ...)
42 {
43 va_list ap;
44
45 va_start(ap, format);
46
47 vinfo(format, ap);
48
49 va_end(ap);
50 }
51
error(const char * format,...)52 void error(const char *format, ...)
53 {
54 va_list ap;
55
56 va_start(ap, format);
57
58 vsyslog(LOG_ERR, format, ap);
59
60 va_end(ap);
61 }
62
debug(const char * format,...)63 void debug(const char *format, ...)
64 {
65 va_list ap;
66
67 if (!debug_enabled)
68 return;
69
70 va_start(ap, format);
71
72 vsyslog(LOG_DEBUG, format, ap);
73
74 va_end(ap);
75 }
76
toggle_debug(void)77 void toggle_debug(void)
78 {
79 debug_enabled = (debug_enabled + 1) % 2;
80 }
81
enable_debug(void)82 void enable_debug(void)
83 {
84 debug_enabled = 1;
85 }
86
disable_debug(void)87 void disable_debug(void)
88 {
89 debug_enabled = 0;
90 }
91
start_logging(const char * ident,const char * message,...)92 void start_logging(const char *ident, const char *message, ...)
93 {
94 va_list ap;
95
96 openlog(ident, LOG_PID | LOG_NDELAY | LOG_PERROR, LOG_DAEMON);
97
98 va_start(ap, message);
99
100 vinfo(message, ap);
101
102 va_end(ap);
103 }
104
stop_logging(void)105 void stop_logging(void)
106 {
107 closelog();
108 }
109