PipeWire  0.2.0
log.h
Go to the documentation of this file.
1 /* PipeWire
2  * Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef __PIPEWIRE_LOG_H__
21 #define __PIPEWIRE_LOG_H__
22 
23 #include <spa/support/log.h>
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
39 extern enum spa_log_level pw_log_level;
40 
41 void pw_log_set(struct spa_log *log);
42 struct spa_log *pw_log_get(void);
43 
44 void
45 pw_log_set_level(enum spa_log_level level);
46 
47 
48 void
49 pw_log_log(enum spa_log_level level,
50  const char *file,
51  int line, const char *func,
52  const char *fmt, ...) SPA_PRINTF_FUNC(5, 6);
53 
54 void
55 pw_log_logv(enum spa_log_level level,
56  const char *file,
57  int line, const char *func,
58  const char *fmt, va_list args) SPA_PRINTF_FUNC(5, 0);
59 
60 
62 #define pw_log_level_enabled(lev) (pw_log_level >= (lev))
63 
64 #if defined(__USE_ISOC11) || defined(__USE_ISOC99) || \
65  (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
66 
67 #define pw_log_logc(lev,...) \
68  if (SPA_UNLIKELY(pw_log_level_enabled (lev))) \
69  pw_log_log(lev,__VA_ARGS__)
70 
71 #define pw_log_error(...) pw_log_logc(SPA_LOG_LEVEL_ERROR,__FILE__,__LINE__,__func__,__VA_ARGS__)
72 #define pw_log_warn(...) pw_log_logc(SPA_LOG_LEVEL_WARN,__FILE__,__LINE__,__func__,__VA_ARGS__)
73 #define pw_log_info(...) pw_log_logc(SPA_LOG_LEVEL_INFO,__FILE__,__LINE__,__func__,__VA_ARGS__)
74 #define pw_log_debug(...) pw_log_logc(SPA_LOG_LEVEL_DEBUG,__FILE__,__LINE__,__func__,__VA_ARGS__)
75 #define pw_log_trace(...) pw_log_logc(SPA_LOG_LEVEL_TRACE,__FILE__,__LINE__,__func__,__VA_ARGS__)
76 
77 #else
78 
79 #include <stdarg.h>
80 
81 #define PW_LOG_FUNC(name,lev) \
82 static inline void pw_log_##name (const char *format, ...) \
83 { \
84  if (SPA_UNLIKELY(pw_log_level_enabled(lev))) { \
85  va_list varargs; \
86  va_start(varargs, format); \
87  pw_log_logv(lev,__FILE__,__LINE__,__func__,format,varargs); \
88  va_end(varargs); \
89  } \
90 }
91 
92 PW_LOG_FUNC(error, SPA_LOG_LEVEL_ERROR)
93 PW_LOG_FUNC(warn, SPA_LOG_LEVEL_WARN)
94 PW_LOG_FUNC(info, SPA_LOG_LEVEL_INFO)
95 PW_LOG_FUNC(debug, SPA_LOG_LEVEL_DEBUG)
96 PW_LOG_FUNC(trace, SPA_LOG_LEVEL_TRACE)
97 
98 #endif
99 
100 #ifdef __cplusplus
101 }
102 #endif
103 #endif /* __PIPEWIRE_LOG_H__ */
void pw_log_set(struct spa_log *log)
Set the global log interface.
Definition: log.c:32
#define PW_LOG_FUNC(name, lev)
Definition: log.h:81
void pw_log_logv(enum spa_log_level level, const char *file, int line, const char *func, const char *fmt, va_list args)
Log a message with va_list.
Definition: log.c:95
void pw_log_log(enum spa_log_level level, const char *file, int line, const char *func, const char *fmt,...)
Log a message.
Definition: log.c:70
struct spa_log * pw_log_get(void)
Get the global log interface.
Definition: log.c:43
void pw_log_set_level(enum spa_log_level level)
Set the global log level.
Definition: log.c:52
enum spa_log_level pw_log_level
The global log level.
Definition: log.c:24