1 #ifndef foologhfoo 2 #define foologhfoo 3 4 /*** 5 This file is part of PulseAudio. 6 7 Copyright 2004-2006 Lennart Poettering 8 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB 9 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. 14 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. 19 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/>. 22 ***/ 23 #ifndef LOG_H 24 #define LOG_H 25 #include <stdarg.h> 26 #include <stdlib.h> 27 28 #include <pulsecore/macro.h> 29 #include <pulse/gccmacro.h> 30 #include "log/audio_log.h" 31 32 /* A simple logging subsystem */ 33 34 /* Where to log to */ 35 typedef enum pa_log_target_type { 36 PA_LOG_STDERR, /* default */ 37 PA_LOG_SYSLOG, 38 #ifdef HAVE_SYSTEMD_JOURNAL 39 PA_LOG_JOURNAL, /* systemd journal */ 40 #endif 41 PA_LOG_NULL, /* to /dev/null */ 42 PA_LOG_FILE, /* to a user specified file */ 43 PA_LOG_NEWFILE, /* with an automatic suffix to avoid overwriting anything */ 44 } pa_log_target_type_t; 45 46 typedef enum pa_log_level { 47 PA_LOG_ERROR = 0, /* Error messages */ 48 PA_LOG_WARN = 1, /* Warning messages */ 49 PA_LOG_NOTICE = 2, /* Notice messages */ 50 PA_LOG_INFO = 3, /* Info messages */ 51 PA_LOG_DEBUG = 4, /* Debug messages */ 52 PA_LOG_LEVEL_MAX 53 } pa_log_level_t; 54 55 typedef enum pa_log_flags { 56 PA_LOG_COLORS = 0x01, /* Show colorful output */ 57 PA_LOG_PRINT_TIME = 0x02, /* Show time */ 58 PA_LOG_PRINT_FILE = 0x04, /* Show source file */ 59 PA_LOG_PRINT_META = 0x08, /* Show extended location information */ 60 PA_LOG_PRINT_LEVEL = 0x10, /* Show log level prefix */ 61 } pa_log_flags_t; 62 63 typedef enum pa_log_merge { 64 PA_LOG_SET, 65 PA_LOG_UNSET, 66 PA_LOG_RESET 67 } pa_log_merge_t; 68 69 typedef struct { 70 pa_log_target_type_t type; 71 char *file; 72 } pa_log_target; 73 74 /* Set an identification for the current daemon. Used when logging to syslog. */ 75 void pa_log_set_ident(const char *p); 76 77 /* Set a log target. */ 78 int pa_log_set_target(pa_log_target *t); 79 80 /* Maximal log level */ 81 void pa_log_set_level(pa_log_level_t l); 82 83 /* Set flags */ 84 void pa_log_set_flags(pa_log_flags_t flags, pa_log_merge_t merge); 85 86 /* Enable backtrace */ 87 void pa_log_set_show_backtrace(unsigned nlevels); 88 89 /* Skip the first backtrace frames */ 90 void pa_log_set_skip_backtrace(unsigned nlevels); 91 92 void pa_log_level_meta( 93 pa_log_level_t level, 94 const char*file, 95 int line, 96 const char *func, 97 const char *format, ...) PA_GCC_PRINTF_ATTR(5,6); 98 99 void pa_log_levelv_meta( 100 pa_log_level_t level, 101 const char*file, 102 int line, 103 const char *func, 104 const char *format, 105 va_list ap); 106 107 void pa_log_level( 108 pa_log_level_t level, 109 const char *format, ...) PA_GCC_PRINTF_ATTR(2,3); 110 111 void pa_log_levelv( 112 pa_log_level_t level, 113 const char *format, 114 va_list ap); 115 116 void PrintCallStackInfo(); 117 118 pa_log_target *pa_log_target_new(pa_log_target_type_t type, const char *file); 119 120 void pa_log_target_free(pa_log_target *t); 121 122 pa_log_target *pa_log_parse_target(const char *string); 123 124 char *pa_log_target_to_string(const pa_log_target *t); 125 126 #if __STDC_VERSION__ >= 199901L 127 128 /* ISO varargs available */ 129 130 #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__) 136 137 #else 138 139 #define LOG_FUNC(suffix, level) \ 140 PA_GCC_UNUSED static void pa_log_##suffix(const char *format, ...) { \ 141 va_list ap; \ 142 va_start(ap, format); \ 143 pa_log_levelv_meta(level, NULL, 0, NULL, format, ap); \ 144 va_end(ap); \ 145 } 146 147 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) 152 153 #endif 154 155 #define pa_log pa_log_error 156 157 bool pa_log_ratelimit(pa_log_level_t level); 158 159 #endif 160 #endif