Sylvain Munaut | 12ba778 | 2014-06-16 10:13:40 +0200 | [diff] [blame] | 1 | #pragma once |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 2 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 3 | /*! \defgroup logging Osmocom logging framework |
| 4 | * @{ |
Neels Hofmeyr | 17518fe | 2017-06-20 04:35:06 +0200 | [diff] [blame] | 5 | * \file logging.h */ |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 6 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 7 | #include <stdio.h> |
| 8 | #include <stdint.h> |
Christoph Fritz | ab7c9c7 | 2011-09-01 16:22:17 +0200 | [diff] [blame] | 9 | #include <stdarg.h> |
Harald Welte | aa00f99 | 2016-12-02 15:30:02 +0100 | [diff] [blame] | 10 | #include <stdbool.h> |
Max | aa1bc01 | 2017-01-13 11:01:12 +0100 | [diff] [blame] | 11 | #include <osmocom/core/defs.h> |
Pablo Neira Ayuso | 8341934 | 2011-03-22 16:36:13 +0100 | [diff] [blame] | 12 | #include <osmocom/core/linuxlist.h> |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 13 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 14 | /*! Maximum number of logging contexts */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 15 | #define LOG_MAX_CTX 8 |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 16 | /*! Maximum number of logging filters */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 17 | #define LOG_MAX_FILTERS 8 |
| 18 | |
| 19 | #define DEBUG |
| 20 | |
| 21 | #ifdef DEBUG |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 22 | /*! Log a debug message through the Osmocom logging framework |
Harald Welte | 2d2e2cc | 2016-04-25 12:11:20 +0200 | [diff] [blame] | 23 | * \param[in] ss logging subsystem (e.g. \ref DLGLOBAL) |
| 24 | * \param[in] fmt format string |
| 25 | * \param[in] args variable argument list |
| 26 | */ |
Max | aa1bc01 | 2017-01-13 11:01:12 +0100 | [diff] [blame] | 27 | #define DEBUGP(ss, fmt, args...) LOGP(ss, LOGL_DEBUG, fmt, ##args) |
| 28 | #define DEBUGPC(ss, fmt, args...) LOGPC(ss, LOGL_DEBUG, fmt, ##args) |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 29 | #else |
| 30 | #define DEBUGP(xss, fmt, args...) |
| 31 | #define DEBUGPC(ss, fmt, args...) |
| 32 | #endif |
| 33 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 34 | |
Holger Hans Peter Freyther | fb4bfc2 | 2012-07-12 09:26:25 +0200 | [diff] [blame] | 35 | void osmo_vlogp(int subsys, int level, const char *file, int line, |
Harald Welte | 36c5a3e | 2011-08-27 14:33:19 +0200 | [diff] [blame] | 36 | int cont, const char *format, va_list ap); |
| 37 | |
Max | aa1bc01 | 2017-01-13 11:01:12 +0100 | [diff] [blame] | 38 | void logp(int subsys, const char *file, int line, int cont, const char *format, ...) OSMO_DEPRECATED("Use DEBUGP* macros instead"); |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 39 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 40 | /*! Log a new message through the Osmocom logging framework |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 41 | * \param[in] ss logging subsystem (e.g. \ref DLGLOBAL) |
| 42 | * \param[in] level logging level (e.g. \ref LOGL_NOTICE) |
| 43 | * \param[in] fmt format string |
| 44 | * \param[in] args variable argument list |
| 45 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 46 | #define LOGP(ss, level, fmt, args...) \ |
Neels Hofmeyr | 725698a | 2016-12-14 17:24:54 +0100 | [diff] [blame] | 47 | LOGPSRC(ss, level, NULL, 0, fmt, ## args) |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 48 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 49 | /*! Continue a log message through the Osmocom logging framework |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 50 | * \param[in] ss logging subsystem (e.g. \ref DLGLOBAL) |
| 51 | * \param[in] level logging level (e.g. \ref LOGL_NOTICE) |
| 52 | * \param[in] fmt format string |
| 53 | * \param[in] args variable argument list |
| 54 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 55 | #define LOGPC(ss, level, fmt, args...) \ |
Jacob Erlbeck | a89d22c | 2015-11-17 11:52:25 +0100 | [diff] [blame] | 56 | do { \ |
| 57 | if (log_check_level(ss, level)) \ |
Harald Welte | 3d79240 | 2016-05-10 15:23:06 +0200 | [diff] [blame] | 58 | logp2(ss, level, __BASE_FILE__, __LINE__, 1, fmt, ##args); \ |
Jacob Erlbeck | a89d22c | 2015-11-17 11:52:25 +0100 | [diff] [blame] | 59 | } while(0) |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 60 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 61 | /*! Log through the Osmocom logging framework with explicit source. |
Neels Hofmeyr | 725698a | 2016-12-14 17:24:54 +0100 | [diff] [blame] | 62 | * If caller_file is passed as NULL, __BASE_FILE__ and __LINE__ are used |
| 63 | * instead of caller_file and caller_line (so that this macro here defines |
| 64 | * both cases in the same place, and to catch cases where callers fail to pass |
| 65 | * a non-null filename string). |
| 66 | * \param[in] ss logging subsystem (e.g. \ref DLGLOBAL) |
| 67 | * \param[in] level logging level (e.g. \ref LOGL_NOTICE) |
| 68 | * \param[in] caller_file caller's source file string (e.g. __BASE_FILE__) |
| 69 | * \param[in] caller_line caller's source line nr (e.g. __LINE__) |
| 70 | * \param[in] fmt format string |
| 71 | * \param[in] args variable argument list |
| 72 | */ |
| 73 | #define LOGPSRC(ss, level, caller_file, caller_line, fmt, args...) \ |
| 74 | do { \ |
| 75 | if (log_check_level(ss, level)) {\ |
| 76 | if (caller_file) \ |
| 77 | logp2(ss, level, caller_file, caller_line, 0, fmt, ##args); \ |
| 78 | else \ |
| 79 | logp2(ss, level, __BASE_FILE__, __LINE__, 0, fmt, ##args); \ |
| 80 | }\ |
| 81 | } while(0) |
| 82 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 83 | /*! different log levels */ |
| 84 | #define LOGL_DEBUG 1 /*!< debugging information */ |
| 85 | #define LOGL_INFO 3 /*!< general information */ |
| 86 | #define LOGL_NOTICE 5 /*!< abnormal/unexpected condition */ |
| 87 | #define LOGL_ERROR 7 /*!< error condition, requires user action */ |
| 88 | #define LOGL_FATAL 8 /*!< fatal, program aborted */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 89 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 90 | /* logging levels defined by the library itself */ |
Harald Welte | 2d2e2cc | 2016-04-25 12:11:20 +0200 | [diff] [blame] | 91 | #define DLGLOBAL -1 /*!< global logging */ |
| 92 | #define DLLAPD -2 /*!< LAPD implementation */ |
| 93 | #define DLINP -3 /*!< (A-bis) Input sub-system */ |
| 94 | #define DLMUX -4 /*!< Osmocom Multiplex (Osmux) */ |
| 95 | #define DLMI -5 /*!< ISDN-layer below input sub-system */ |
| 96 | #define DLMIB -6 /*!< ISDN layer B-channel */ |
| 97 | #define DLSMS -7 /*!< SMS sub-system */ |
| 98 | #define DLCTRL -8 /*!< Control Interface */ |
| 99 | #define DLGTP -9 /*!< GTP (GPRS Tunneling Protocol */ |
| 100 | #define DLSTATS -10 /*!< Statistics */ |
Neels Hofmeyr | 9795cf1 | 2016-12-10 17:01:06 +0100 | [diff] [blame] | 101 | #define DLGSUP -11 /*!< Generic Subscriber Update Protocol */ |
Harald Welte | c0f0007 | 2016-04-27 18:32:35 +0200 | [diff] [blame] | 102 | #define DLOAP -12 /*!< Osmocom Authentication Protocol */ |
Harald Welte | 62d3296 | 2017-04-03 19:37:11 +0200 | [diff] [blame] | 103 | #define DLSS7 -13 /*!< Osmocom SS7 */ |
| 104 | #define DLSCCP -14 /*!< Osmocom SCCP */ |
| 105 | #define DLSUA -15 /*!< Osmocom SUA */ |
| 106 | #define DLM3UA -16 /*!< Osmocom M3UA */ |
| 107 | #define OSMO_NUM_DLIB 16 /*!< Number of logging sub-systems in libraries */ |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 108 | |
Neels Hofmeyr | fc47b03 | 2017-06-20 04:29:38 +0200 | [diff] [blame] | 109 | /*! Configuration of single log category / sub-system */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 110 | struct log_category { |
Harald Welte | 2d2e2cc | 2016-04-25 12:11:20 +0200 | [diff] [blame] | 111 | uint8_t loglevel; /*!< configured log-level */ |
| 112 | uint8_t enabled; /*!< is logging enabled? */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 113 | }; |
| 114 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 115 | /*! Information regarding one logging category */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 116 | struct log_info_cat { |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 117 | const char *name; /*!< name of category */ |
| 118 | const char *color; /*!< color string for cateyory */ |
| 119 | const char *description; /*!< description text */ |
| 120 | uint8_t loglevel; /*!< currently selected log-level */ |
| 121 | uint8_t enabled; /*!< is this category enabled or not */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 122 | }; |
| 123 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 124 | /*! Log context information, passed to filter */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 125 | struct log_context { |
| 126 | void *ctx[LOG_MAX_CTX+1]; |
| 127 | }; |
| 128 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 129 | /*! Indexes to indicate the object currently acted upon. |
Neels Hofmeyr | 492e180 | 2017-02-23 17:45:26 +0100 | [diff] [blame] | 130 | * Array indexes for the global \a log_context array. */ |
Neels Hofmeyr | 8b86cd7 | 2017-02-23 18:03:28 +0100 | [diff] [blame] | 131 | enum log_ctx_index { |
| 132 | LOG_CTX_GB_NSVC, |
| 133 | LOG_CTX_GB_BVC, |
| 134 | LOG_CTX_BSC_SUBSCR, |
| 135 | LOG_CTX_VLR_SUBSCR, |
| 136 | _LOG_CTX_COUNT |
Neels Hofmeyr | 812ba6d | 2017-02-17 16:35:27 +0100 | [diff] [blame] | 137 | }; |
| 138 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 139 | /*! Indexes to indicate objects that should be logged. |
Neels Hofmeyr | 492e180 | 2017-02-23 17:45:26 +0100 | [diff] [blame] | 140 | * Array indexes to log_target->filter_data and bit indexes for |
| 141 | * log_target->filter_map. */ |
Neels Hofmeyr | 8b86cd7 | 2017-02-23 18:03:28 +0100 | [diff] [blame] | 142 | enum log_filter_index { |
| 143 | LOG_FLT_ALL, |
| 144 | LOG_FLT_GB_NSVC, |
| 145 | LOG_FLT_GB_BVC, |
| 146 | LOG_FLT_BSC_SUBSCR, |
| 147 | LOG_FLT_VLR_SUBSCR, |
| 148 | _LOG_FLT_COUNT |
Neels Hofmeyr | 812ba6d | 2017-02-17 16:35:27 +0100 | [diff] [blame] | 149 | }; |
| 150 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 151 | /*! Compatibility with older libosmocore versions */ |
Neels Hofmeyr | 8b86cd7 | 2017-02-23 18:03:28 +0100 | [diff] [blame] | 152 | #define LOG_FILTER_ALL (1<<LOG_FLT_ALL) |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 153 | /*! Compatibility with older libosmocore versions */ |
Neels Hofmeyr | 8b86cd7 | 2017-02-23 18:03:28 +0100 | [diff] [blame] | 154 | #define GPRS_CTX_NSVC LOG_CTX_GB_NSVC |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 155 | /*! Compatibility with older libosmocore versions */ |
Neels Hofmeyr | 8b86cd7 | 2017-02-23 18:03:28 +0100 | [diff] [blame] | 156 | #define GPRS_CTX_BVC LOG_CTX_GB_BVC |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 157 | /*! Indexes to indicate the object currently acted upon. |
Neels Hofmeyr | 8b86cd7 | 2017-02-23 18:03:28 +0100 | [diff] [blame] | 158 | * Array indexes for the global \a log_context array. */ |
Neels Hofmeyr | 0d6420b | 2017-02-23 17:34:35 +0100 | [diff] [blame] | 159 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 160 | struct log_target; |
| 161 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 162 | /*! Log filter function */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 163 | typedef int log_filter(const struct log_context *ctx, |
| 164 | struct log_target *target); |
| 165 | |
Harald Welte | fb84f32 | 2013-06-06 07:33:54 +0200 | [diff] [blame] | 166 | struct log_info; |
| 167 | struct vty; |
Harald Welte | aa00f99 | 2016-12-02 15:30:02 +0100 | [diff] [blame] | 168 | struct gsmtap_inst; |
Harald Welte | fb84f32 | 2013-06-06 07:33:54 +0200 | [diff] [blame] | 169 | |
| 170 | typedef void log_print_filters(struct vty *vty, |
| 171 | const struct log_info *info, |
| 172 | const struct log_target *tgt); |
| 173 | |
| 174 | typedef void log_save_filters(struct vty *vty, |
| 175 | const struct log_info *info, |
| 176 | const struct log_target *tgt); |
| 177 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 178 | /*! Logging configuration, passed to \ref log_init */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 179 | struct log_info { |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 180 | /* filter callback function */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 181 | log_filter *filter_fn; |
| 182 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 183 | /*! per-category information */ |
Holger Hans Peter Freyther | 06f6455 | 2012-09-11 10:31:29 +0200 | [diff] [blame] | 184 | const struct log_info_cat *cat; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 185 | /*! total number of categories */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 186 | unsigned int num_cat; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 187 | /*! total number of user categories (not library) */ |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 188 | unsigned int num_cat_user; |
Harald Welte | fb84f32 | 2013-06-06 07:33:54 +0200 | [diff] [blame] | 189 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 190 | /*! filter saving function */ |
Harald Welte | fb84f32 | 2013-06-06 07:33:54 +0200 | [diff] [blame] | 191 | log_save_filters *save_fn; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 192 | /*! filter saving function */ |
Harald Welte | fb84f32 | 2013-06-06 07:33:54 +0200 | [diff] [blame] | 193 | log_print_filters *print_fn; |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 194 | }; |
| 195 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 196 | /*! Type of logging target */ |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 197 | enum log_target_type { |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 198 | LOG_TGT_TYPE_VTY, /*!< VTY logging */ |
| 199 | LOG_TGT_TYPE_SYSLOG, /*!< syslog based logging */ |
| 200 | LOG_TGT_TYPE_FILE, /*!< text file logging */ |
| 201 | LOG_TGT_TYPE_STDERR, /*!< stderr logging */ |
| 202 | LOG_TGT_TYPE_STRRB, /*!< osmo_strrb-backed logging */ |
| 203 | LOG_TGT_TYPE_GSMTAP, /*!< GSMTAP network logging */ |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 204 | }; |
| 205 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 206 | /*! structure representing a logging target */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 207 | struct log_target { |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 208 | struct llist_head entry; /*!< linked list */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 209 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 210 | /*! Internal data for filtering */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 211 | int filter_map; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 212 | /*! Internal data for filtering */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 213 | void *filter_data[LOG_MAX_FILTERS+1]; |
| 214 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 215 | /*! logging categories */ |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 216 | struct log_category *categories; |
| 217 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 218 | /*! global log level */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 219 | uint8_t loglevel; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 220 | /*! should color be used when printing log messages? */ |
Harald Welte | 87dbca1 | 2011-07-16 11:57:53 +0200 | [diff] [blame] | 221 | unsigned int use_color:1; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 222 | /*! should log messages be prefixed with a timestamp? */ |
Harald Welte | 87dbca1 | 2011-07-16 11:57:53 +0200 | [diff] [blame] | 223 | unsigned int print_timestamp:1; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 224 | /*! should log messages be prefixed with a filename? */ |
Holger Hans Peter Freyther | db15336 | 2012-09-11 11:24:51 +0200 | [diff] [blame] | 225 | unsigned int print_filename:1; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 226 | /*! should log messages be prefixed with a category name? */ |
Holger Hans Peter Freyther | 2d6ad13 | 2014-12-05 09:35:30 +0100 | [diff] [blame] | 227 | unsigned int print_category:1; |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 228 | /*! should log messages be prefixed with an extended timestamp? */ |
Holger Hans Peter Freyther | 2d6ad13 | 2014-12-05 09:35:30 +0100 | [diff] [blame] | 229 | unsigned int print_ext_timestamp:1; |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 230 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 231 | /*! the type of this log taget */ |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 232 | enum log_target_type type; |
| 233 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 234 | union { |
| 235 | struct { |
| 236 | FILE *out; |
Harald Welte | 72d0c53 | 2010-08-25 19:24:00 +0200 | [diff] [blame] | 237 | const char *fname; |
Harald Welte | 0083cd3 | 2010-08-25 14:55:44 +0200 | [diff] [blame] | 238 | } tgt_file; |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 239 | |
| 240 | struct { |
| 241 | int priority; |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 242 | int facility; |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 243 | } tgt_syslog; |
| 244 | |
| 245 | struct { |
| 246 | void *vty; |
| 247 | } tgt_vty; |
Katerina Barone-Adesi | 3309a43 | 2013-02-21 05:16:29 +0000 | [diff] [blame] | 248 | |
| 249 | struct { |
| 250 | void *rb; |
| 251 | } tgt_rb; |
Harald Welte | aa00f99 | 2016-12-02 15:30:02 +0100 | [diff] [blame] | 252 | |
| 253 | struct { |
| 254 | struct gsmtap_inst *gsmtap_inst; |
| 255 | const char *ident; |
| 256 | const char *hostname; |
| 257 | } tgt_gsmtap; |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 258 | }; |
| 259 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 260 | /*! call-back function to be called when the logging framework |
Harald Welte | d7c0a37 | 2016-12-02 13:52:59 +0100 | [diff] [blame] | 261 | * wants to log a fully formatted string |
Katerina Barone-Adesi | c28c6a0 | 2013-02-15 13:27:59 +0100 | [diff] [blame] | 262 | * \param[in] target logging target |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 263 | * \param[in] level log level of currnet message |
| 264 | * \param[in] string the string that is to be written to the log |
| 265 | */ |
Harald Welte | 76e72ab | 2011-02-17 15:52:39 +0100 | [diff] [blame] | 266 | void (*output) (struct log_target *target, unsigned int level, |
| 267 | const char *string); |
Harald Welte | d7c0a37 | 2016-12-02 13:52:59 +0100 | [diff] [blame] | 268 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 269 | /*! alternative call-back function to which the logging |
Harald Welte | d7c0a37 | 2016-12-02 13:52:59 +0100 | [diff] [blame] | 270 | * framework passes the unfortmatted input arguments, |
| 271 | * i.e. bypassing the internal string formatter |
| 272 | * \param[in] target logging target |
| 273 | * \param[in] subsys logging sub-system |
| 274 | * \param[in] level logging level |
| 275 | * \param[in] file soure code file name |
| 276 | * \param[in] line source code file line number |
| 277 | * \param[in] cont continuation of previous statement? |
| 278 | * \param[in] format format string |
| 279 | * \param[in] ap vararg list of printf arguments |
| 280 | */ |
| 281 | void (*raw_output)(struct log_target *target, int subsys, |
| 282 | unsigned int level, const char *file, int line, |
| 283 | int cont, const char *format, va_list ap); |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 284 | }; |
| 285 | |
| 286 | /* use the above macros */ |
Andreas Eversberg | 2d6563b | 2012-07-10 13:10:15 +0200 | [diff] [blame] | 287 | void logp2(int subsys, unsigned int level, const char *file, |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 288 | int line, int cont, const char *format, ...) |
| 289 | __attribute__ ((format (printf, 6, 7))); |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 290 | int log_init(const struct log_info *inf, void *talloc_ctx); |
Harald Welte | 69e6c3c | 2016-04-20 10:41:27 +0200 | [diff] [blame] | 291 | void log_fini(void); |
Jacob Erlbeck | de6dd72 | 2015-11-17 11:52:24 +0100 | [diff] [blame] | 292 | int log_check_level(int subsys, unsigned int level); |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 293 | |
| 294 | /* context management */ |
| 295 | void log_reset_context(void); |
| 296 | int log_set_context(uint8_t ctx, void *value); |
| 297 | |
| 298 | /* filter on the targets */ |
| 299 | void log_set_all_filter(struct log_target *target, int); |
| 300 | |
| 301 | void log_set_use_color(struct log_target *target, int); |
Holger Hans Peter Freyther | 2d6ad13 | 2014-12-05 09:35:30 +0100 | [diff] [blame] | 302 | void log_set_print_extended_timestamp(struct log_target *target, int); |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 303 | void log_set_print_timestamp(struct log_target *target, int); |
Holger Hans Peter Freyther | db15336 | 2012-09-11 11:24:51 +0200 | [diff] [blame] | 304 | void log_set_print_filename(struct log_target *target, int); |
Holger Hans Peter Freyther | 2d6ad13 | 2014-12-05 09:35:30 +0100 | [diff] [blame] | 305 | void log_set_print_category(struct log_target *target, int); |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 306 | void log_set_log_level(struct log_target *target, int log_level); |
| 307 | void log_parse_category_mask(struct log_target *target, const char* mask); |
Harald Welte | aa00f99 | 2016-12-02 15:30:02 +0100 | [diff] [blame] | 308 | const char* log_category_name(int subsys); |
Max | 15b6d41 | 2017-07-06 16:57:15 +0200 | [diff] [blame] | 309 | int log_parse_level(const char *lvl) OSMO_DEPRECATED_OUTSIDE_LIBOSMOCORE; |
| 310 | const char *log_level_str(unsigned int lvl) OSMO_DEPRECATED_OUTSIDE_LIBOSMOCORE; |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 311 | int log_parse_category(const char *category); |
| 312 | void log_set_category_filter(struct log_target *target, int category, |
| 313 | int enable, int level); |
| 314 | |
| 315 | /* management of the targets */ |
| 316 | struct log_target *log_target_create(void); |
Harald Welte | 72d0c53 | 2010-08-25 19:24:00 +0200 | [diff] [blame] | 317 | void log_target_destroy(struct log_target *target); |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 318 | struct log_target *log_target_create_stderr(void); |
Harald Welte | 72d0c53 | 2010-08-25 19:24:00 +0200 | [diff] [blame] | 319 | struct log_target *log_target_create_file(const char *fname); |
Harald Welte | 46cfd77 | 2011-02-17 15:56:56 +0100 | [diff] [blame] | 320 | struct log_target *log_target_create_syslog(const char *ident, int option, |
| 321 | int facility); |
Harald Welte | aa00f99 | 2016-12-02 15:30:02 +0100 | [diff] [blame] | 322 | struct log_target *log_target_create_gsmtap(const char *host, uint16_t port, |
| 323 | const char *ident, |
| 324 | bool ofd_wq_mode, |
| 325 | bool add_sink); |
Harald Welte | 72d0c53 | 2010-08-25 19:24:00 +0200 | [diff] [blame] | 326 | int log_target_file_reopen(struct log_target *tgt); |
Harald Welte | 4de854d | 2013-03-18 19:01:40 +0100 | [diff] [blame] | 327 | int log_targets_reopen(void); |
Harald Welte | 72d0c53 | 2010-08-25 19:24:00 +0200 | [diff] [blame] | 328 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 329 | void log_add_target(struct log_target *target); |
| 330 | void log_del_target(struct log_target *target); |
| 331 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 332 | /* Generate command string for VTY use */ |
Pau Espin Pedrol | 69dfe5a | 2017-06-17 23:18:11 +0200 | [diff] [blame] | 333 | const char *log_vty_command_string() OSMO_DEPRECATED_OUTSIDE_LIBOSMOCORE; |
| 334 | const char *log_vty_command_description() OSMO_DEPRECATED_OUTSIDE_LIBOSMOCORE; |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 335 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 336 | struct log_target *log_target_find(int type, const char *fname); |
| 337 | extern struct llist_head osmo_log_target_list; |
| 338 | |
Sylvain Munaut | dca7d2c | 2012-04-18 21:53:23 +0200 | [diff] [blame] | 339 | /*! @} */ |