5 This file is part of PulseAudio.
7 Copyright 2004-2006 Lennart Poettering
8 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
10 PulseAudio is free software; you can redistribute it and/or modify
11 it under the terms of the GNU Lesser General Public License as published
12 by the Free Software Foundation; either version 2.1 of the License,
13 or (at your option) any later version.
15 PulseAudio is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
27 #include <pulsecore/macro.h>
28 #include <pulse/gccmacro.h>
30 /* A simple logging subsystem */
33 typedef enum pa_log_target_type {
34 PA_LOG_STDERR, /* default */
36 #ifdef HAVE_SYSTEMD_JOURNAL
37 PA_LOG_JOURNAL, /* systemd journal */
39 PA_LOG_NULL, /* to /dev/null */
40 PA_LOG_FILE, /* to a user specified file */
41 PA_LOG_NEWFILE, /* with an automatic suffix to avoid overwriting anything */
46 } pa_log_target_type_t;
48 typedef enum pa_log_level {
49 PA_LOG_ERROR = 0, /* Error messages */
50 PA_LOG_WARN = 1, /* Warning messages */
51 PA_LOG_NOTICE = 2, /* Notice messages */
52 PA_LOG_INFO = 3, /* Info messages */
53 PA_LOG_DEBUG = 4, /* Debug messages */
57 typedef enum pa_log_flags {
58 PA_LOG_COLORS = 0x01, /* Show colorful output */
59 PA_LOG_PRINT_TIME = 0x02, /* Show time */
60 PA_LOG_PRINT_FILE = 0x04, /* Show source file */
61 PA_LOG_PRINT_META = 0x08, /* Show extended location information */
62 PA_LOG_PRINT_LEVEL = 0x10, /* Show log level prefix */
65 typedef enum pa_log_merge {
72 pa_log_target_type_t type;
76 /* Set an identification for the current daemon. Used when logging to syslog. */
77 void pa_log_set_ident(const char *p);
79 /* Set a log target. */
80 int pa_log_set_target(pa_log_target *t);
82 /* Maximal log level */
83 void pa_log_set_level(pa_log_level_t l);
86 void pa_log_set_flags(pa_log_flags_t flags, pa_log_merge_t merge);
88 /* Enable backtrace */
89 void pa_log_set_show_backtrace(unsigned nlevels);
91 /* Skip the first backtrace frames */
92 void pa_log_set_skip_backtrace(unsigned nlevels);
94 void pa_log_level_meta(
99 const char *format, ...) PA_GCC_PRINTF_ATTR(5,6);
101 void pa_log_levelv_meta(
102 pa_log_level_t level,
110 pa_log_level_t level,
111 const char *format, ...) PA_GCC_PRINTF_ATTR(2,3);
114 pa_log_level_t level,
118 pa_log_target *pa_log_target_new(pa_log_target_type_t type, const char *file);
120 void pa_log_target_free(pa_log_target *t);
122 pa_log_target *pa_log_parse_target(const char *string);
124 char *pa_log_target_to_string(const pa_log_target *t);
126 #if __STDC_VERSION__ >= 199901L
128 /* ISO varargs available */
130 #define pa_log_debug(...) pa_log_level_meta(PA_LOG_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__)
131 #define pa_log_info(...) pa_log_level_meta(PA_LOG_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__)
132 #define pa_log_notice(...) pa_log_level_meta(PA_LOG_NOTICE, __FILE__, __LINE__, __func__, __VA_ARGS__)
133 #define pa_log_warn(...) pa_log_level_meta(PA_LOG_WARN, __FILE__, __LINE__, __func__, __VA_ARGS__)
134 #define pa_log_error(...) pa_log_level_meta(PA_LOG_ERROR, __FILE__, __LINE__, __func__, __VA_ARGS__)
135 #define pa_logl(level, ...) pa_log_level_meta(level, __FILE__, __LINE__, __func__, __VA_ARGS__)
139 #define LOG_FUNC(suffix, level) \
140 PA_GCC_UNUSED static void pa_log_##suffix(const char *format, ...) { \
142 va_start(ap, format); \
143 pa_log_levelv_meta(level, NULL, 0, NULL, format, ap); \
147 LOG_FUNC(debug, PA_LOG_DEBUG)
148 LOG_FUNC(info, PA_LOG_INFO)
149 LOG_FUNC(notice, PA_LOG_NOTICE)
150 LOG_FUNC(warn, PA_LOG_WARN)
151 LOG_FUNC(error, PA_LOG_ERROR)
155 #define pa_log pa_log_error
157 bool pa_log_ratelimit(pa_log_level_t level);