PipeWire  0.3.53
log-impl.h
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1 /* Simple Plugin API
2  *
3  * Copyright © 2018 Wim Taymans
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
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24 
25 #ifndef SPA_LOG_IMPL_H
26 #define SPA_LOG_IMPL_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 #include <stdio.h>
33 
34 #include <spa/utils/type.h>
35 #include <spa/support/log.h>
36 
42 static inline SPA_PRINTF_FUNC(7, 0) void spa_log_impl_logtv(void *object,
43  enum spa_log_level level,
44  const struct spa_log_topic *topic,
45  const char *file,
46  int line,
47  const char *func,
48  const char *fmt,
49  va_list args)
50 {
51  static const char * const levels[] = { "-", "E", "W", "I", "D", "T" };
52 
53  const char *basename = strrchr(file, '/');
54  char text[512], location[1024];
55  char topicstr[32] = {0};
56 
57  if (basename)
58  basename += 1; /* skip '/' */
59  else
60  basename = file; /* use whole string if no '/' is found */
61 
62  if (topic && topic->topic)
63  snprintf(topicstr, sizeof(topicstr), " %s ", topic->topic);
64  vsnprintf(text, sizeof(text), fmt, args);
65  snprintf(location, sizeof(location), "[%s]%s[%s:%i %s()] %s\n",
66  levels[level],
67  topicstr,
68  basename, line, func, text);
69  fputs(location, stderr);
70 }
71 
72 static inline SPA_PRINTF_FUNC(7,8) void spa_log_impl_logt(void *object,
73  enum spa_log_level level,
74  const struct spa_log_topic *topic,
75  const char *file,
76  int line,
77  const char *func,
78  const char *fmt, ...)
79 {
80  va_list args;
81  va_start(args, fmt);
82  spa_log_impl_logtv(object, level, topic, file, line, func, fmt, args);
83  va_end(args);
84 }
85 
86 static inline SPA_PRINTF_FUNC(6, 0) void spa_log_impl_logv(void *object,
87  enum spa_log_level level,
88  const char *file,
89  int line,
90  const char *func,
91  const char *fmt,
92  va_list args)
93 {
94 
95  spa_log_impl_logtv(object, level, NULL, file, line, func, fmt, args);
96 }
97 
98 static inline SPA_PRINTF_FUNC(6,7) void spa_log_impl_log(void *object,
99  enum spa_log_level level,
100  const char *file,
101  int line,
102  const char *func,
103  const char *fmt, ...)
104 {
105  va_list args;
106  va_start(args, fmt);
107  spa_log_impl_logv(object, level, file, line, func, fmt, args);
108  va_end(args);
109 }
110 
111 static inline void spa_log_impl_topic_init(void *object, struct spa_log_topic *topic)
112 {
113  /* noop */
114 }
115 
116 #define SPA_LOG_IMPL_DEFINE(name) \
117 struct { \
118  struct spa_log log; \
119  struct spa_log_methods methods; \
120 } name
121 
122 #define SPA_LOG_IMPL_INIT(name) \
123  { { { SPA_TYPE_INTERFACE_Log, SPA_VERSION_LOG, \
124  SPA_CALLBACKS_INIT(&name.methods, &name) }, \
125  SPA_LOG_LEVEL_INFO, }, \
126  { SPA_VERSION_LOG_METHODS, \
127  spa_log_impl_log, \
128  spa_log_impl_logv, \
129  spa_log_impl_logt, \
130  spa_log_impl_logtv, \
131  } }
132 
133 #define SPA_LOG_IMPL(name) \
134  SPA_LOG_IMPL_DEFINE(name) = SPA_LOG_IMPL_INIT(name)
135 
140 #ifdef __cplusplus
141 } /* extern "C" */
142 #endif
143 #endif /* SPA_LOG_IMPL_H */
spa_log_level
Definition: log.h:65
static void spa_log_impl_log(void *object, enum spa_log_level level, const char *file, int line, const char *func, const char *fmt,...)
Definition: log-impl.h:103
static void spa_log_impl_topic_init(void *object, struct spa_log_topic *topic)
Definition: log-impl.h:116
static void spa_log_impl_logtv(void *object, enum spa_log_level level, const struct spa_log_topic *topic, const char *file, int line, const char *func, const char *fmt, va_list args)
Definition: log-impl.h:47
static void spa_log_impl_logt(void *object, enum spa_log_level level, const struct spa_log_topic *topic, const char *file, int line, const char *func, const char *fmt,...)
Definition: log-impl.h:77
static void spa_log_impl_logv(void *object, enum spa_log_level level, const char *file, int line, const char *func, const char *fmt, va_list args)
Definition: log-impl.h:91
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition: defs.h:260
spa/support/log.h
spa/utils/type.h
Identifier for a topic.
Definition: log.h:103