Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 1 | /* Debugging/Logging support code */ |
| 2 | |
| 3 | /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> |
| 4 | * (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | */ |
| 22 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 23 | /* \addtogroup logging |
| 24 | * @{ |
| 25 | */ |
| 26 | |
| 27 | /* \file logging.c */ |
| 28 | |
Harald Welte | 01fd5cb | 2010-03-26 23:51:31 +0800 | [diff] [blame] | 29 | #include "../config.h" |
| 30 | |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 31 | #include <stdarg.h> |
| 32 | #include <stdlib.h> |
| 33 | #include <stdio.h> |
| 34 | #include <string.h> |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 35 | #include <ctype.h> |
Harald Welte | 01fd5cb | 2010-03-26 23:51:31 +0800 | [diff] [blame] | 36 | |
| 37 | #ifdef HAVE_STRINGS_H |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 38 | #include <strings.h> |
Harald Welte | 01fd5cb | 2010-03-26 23:51:31 +0800 | [diff] [blame] | 39 | #endif |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 40 | #include <time.h> |
| 41 | #include <errno.h> |
| 42 | |
Pablo Neira Ayuso | 8341934 | 2011-03-22 16:36:13 +0100 | [diff] [blame] | 43 | #include <osmocom/core/talloc.h> |
| 44 | #include <osmocom/core/utils.h> |
| 45 | #include <osmocom/core/logging.h> |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 46 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 47 | #include <osmocom/vty/logging.h> /* for LOGGING_STR. */ |
| 48 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 49 | struct log_info *osmo_log_info; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 50 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 51 | static struct log_context log_context; |
| 52 | static void *tall_log_ctx = NULL; |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 53 | LLIST_HEAD(osmo_log_target_list); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 54 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 55 | #define LOGLEVEL_DEFS 6 /* Number of loglevels.*/ |
| 56 | |
| 57 | static const struct value_string loglevel_strs[LOGLEVEL_DEFS+1] = { |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 58 | { 0, "EVERYTHING" }, |
| 59 | { LOGL_DEBUG, "DEBUG" }, |
| 60 | { LOGL_INFO, "INFO" }, |
| 61 | { LOGL_NOTICE, "NOTICE" }, |
| 62 | { LOGL_ERROR, "ERROR" }, |
| 63 | { LOGL_FATAL, "FATAL" }, |
| 64 | { 0, NULL }, |
| 65 | }; |
| 66 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 67 | #define INT2IDX(x) (-1*(x)-1) |
| 68 | static const struct log_info_cat internal_cat[OSMO_NUM_DLIB] = { |
| 69 | [INT2IDX(DLGLOBAL)] = { /* -1 becomes 0 */ |
| 70 | .name = "DLGLOBAL", |
| 71 | .description = "Library-internal global log family", |
| 72 | .loglevel = LOGL_NOTICE, |
| 73 | .enabled = 1, |
| 74 | }, |
root | 8a996b4 | 2011-09-26 11:22:21 +0200 | [diff] [blame] | 75 | [INT2IDX(DLLAPD)] = { /* -2 becomes 1 */ |
| 76 | .name = "DLLAPD", |
| 77 | .description = "LAPD in libosmogsm", |
Harald Welte | 1f0b8c2 | 2011-06-27 10:51:37 +0200 | [diff] [blame] | 78 | .loglevel = LOGL_NOTICE, |
| 79 | .enabled = 1, |
| 80 | }, |
Harald Welte | 892e621 | 2011-07-19 14:31:44 +0200 | [diff] [blame] | 81 | [INT2IDX(DLINP)] = { |
Harald Welte | 087e113 | 2011-07-29 11:43:39 +0200 | [diff] [blame] | 82 | .name = "DLINP", |
Pablo Neira Ayuso | 199f377 | 2011-07-07 19:46:38 +0200 | [diff] [blame] | 83 | .description = "A-bis Intput Subsystem", |
| 84 | .loglevel = LOGL_NOTICE, |
| 85 | .enabled = 1, |
| 86 | }, |
Harald Welte | 892e621 | 2011-07-19 14:31:44 +0200 | [diff] [blame] | 87 | [INT2IDX(DLMUX)] = { |
Harald Welte | 087e113 | 2011-07-29 11:43:39 +0200 | [diff] [blame] | 88 | .name = "DLMUX", |
Pablo Neira Ayuso | 199f377 | 2011-07-07 19:46:38 +0200 | [diff] [blame] | 89 | .description = "A-bis B-Subchannel TRAU Frame Multiplex", |
| 90 | .loglevel = LOGL_NOTICE, |
| 91 | .enabled = 1, |
| 92 | }, |
Harald Welte | 892e621 | 2011-07-19 14:31:44 +0200 | [diff] [blame] | 93 | [INT2IDX(DLMI)] = { |
Harald Welte | 087e113 | 2011-07-29 11:43:39 +0200 | [diff] [blame] | 94 | .name = "DLMI", |
Pablo Neira Ayuso | 199f377 | 2011-07-07 19:46:38 +0200 | [diff] [blame] | 95 | .description = "A-bis Input Driver for Signalling", |
| 96 | .enabled = 0, .loglevel = LOGL_NOTICE, |
| 97 | }, |
Harald Welte | 892e621 | 2011-07-19 14:31:44 +0200 | [diff] [blame] | 98 | [INT2IDX(DLMIB)] = { |
Harald Welte | 087e113 | 2011-07-29 11:43:39 +0200 | [diff] [blame] | 99 | .name = "DLMIB", |
Pablo Neira Ayuso | 199f377 | 2011-07-07 19:46:38 +0200 | [diff] [blame] | 100 | .description = "A-bis Input Driver for B-Channels (voice)", |
| 101 | .enabled = 0, .loglevel = LOGL_NOTICE, |
| 102 | }, |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 103 | }; |
| 104 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 105 | /* You have to keep this in sync with the structure loglevel_strs. */ |
| 106 | const char *loglevel_descriptions[LOGLEVEL_DEFS+1] = { |
| 107 | "Log simply everything", |
| 108 | "Log debug messages and higher levels", |
| 109 | "Log informational messages and higher levels", |
| 110 | "Log noticable messages and higher levels", |
| 111 | "Log error messages and higher levels", |
| 112 | "Log only fatal messages", |
| 113 | NULL, |
| 114 | }; |
| 115 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 116 | /* special magic for negative (library-internal) log subsystem numbers */ |
| 117 | static int subsys_lib2index(int subsys) |
| 118 | { |
| 119 | return (subsys * -1) + (osmo_log_info->num_cat_user-1); |
| 120 | } |
| 121 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 122 | /*! \brief Parse a human-readable log level into a numeric value */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 123 | int log_parse_level(const char *lvl) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 124 | { |
| 125 | return get_string_value(loglevel_strs, lvl); |
| 126 | } |
| 127 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 128 | /*! \brief convert a numeric log level into human-readable string */ |
Harald Welte | 9ac2225 | 2010-05-11 11:19:40 +0200 | [diff] [blame] | 129 | const char *log_level_str(unsigned int lvl) |
| 130 | { |
| 131 | return get_value_string(loglevel_strs, lvl); |
| 132 | } |
| 133 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 134 | /*! \brief parse a human-readable log category into numeric form |
| 135 | * \param[in] category human-readable log category name |
| 136 | * \returns numeric category value, or -EINVAL otherwise |
| 137 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 138 | int log_parse_category(const char *category) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 139 | { |
| 140 | int i; |
| 141 | |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 142 | for (i = 0; i < osmo_log_info->num_cat; ++i) { |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 143 | if (osmo_log_info->cat[i].name == NULL) |
| 144 | continue; |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 145 | if (!strcasecmp(osmo_log_info->cat[i].name+1, category)) |
Harald Welte | faadfe2 | 2010-03-26 21:05:43 +0800 | [diff] [blame] | 146 | return i; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | return -EINVAL; |
| 150 | } |
| 151 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 152 | /*! \brief parse the log category mask |
| 153 | * \param[in] target log target to be configured |
| 154 | * \param[in] _mask log category mask string |
| 155 | * |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 156 | * The format can be this: category1:category2:category3 |
| 157 | * or category1,2:category2,3:... |
| 158 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 159 | void log_parse_category_mask(struct log_target* target, const char *_mask) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 160 | { |
| 161 | int i = 0; |
| 162 | char *mask = strdup(_mask); |
| 163 | char *category_token = NULL; |
| 164 | |
| 165 | /* Disable everything to enable it afterwards */ |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 166 | for (i = 0; i < osmo_log_info->num_cat; ++i) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 167 | target->categories[i].enabled = 0; |
| 168 | |
| 169 | category_token = strtok(mask, ":"); |
| 170 | do { |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 171 | for (i = 0; i < osmo_log_info->num_cat; ++i) { |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 172 | char* colon = strstr(category_token, ","); |
| 173 | int length = strlen(category_token); |
Pablo Neira Ayuso | 300e78d | 2011-08-11 13:24:18 +0200 | [diff] [blame] | 174 | int cat_length = strlen(osmo_log_info->cat[i].name); |
| 175 | |
| 176 | /* Use longest length not to match subocurrences. */ |
| 177 | if (cat_length > length) |
| 178 | length = cat_length; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 179 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 180 | if (!osmo_log_info->cat[i].name) |
| 181 | continue; |
| 182 | |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 183 | if (colon) |
| 184 | length = colon - category_token; |
| 185 | |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 186 | if (strncasecmp(osmo_log_info->cat[i].name, |
| 187 | category_token, length) == 0) { |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 188 | int level = 0; |
| 189 | |
| 190 | if (colon) |
| 191 | level = atoi(colon+1); |
| 192 | |
Harald Welte | faadfe2 | 2010-03-26 21:05:43 +0800 | [diff] [blame] | 193 | target->categories[i].enabled = 1; |
| 194 | target->categories[i].loglevel = level; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 195 | } |
| 196 | } |
| 197 | } while ((category_token = strtok(NULL, ":"))); |
| 198 | |
| 199 | free(mask); |
| 200 | } |
| 201 | |
| 202 | static const char* color(int subsys) |
| 203 | { |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 204 | if (subsys < osmo_log_info->num_cat) |
| 205 | return osmo_log_info->cat[subsys].color; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 206 | |
Harald Welte | d788f66 | 2010-03-26 09:45:03 +0800 | [diff] [blame] | 207 | return NULL; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 208 | } |
| 209 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 210 | static void _output(struct log_target *target, unsigned int subsys, |
Harald Welte | 76e72ab | 2011-02-17 15:52:39 +0100 | [diff] [blame] | 211 | unsigned int level, char *file, int line, int cont, |
| 212 | const char *format, va_list ap) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 213 | { |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 214 | char buf[4096]; |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 215 | int ret, len = 0, offset = 0, rem = sizeof(buf); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 216 | |
| 217 | /* are we using color */ |
| 218 | if (target->use_color) { |
Harald Welte | d788f66 | 2010-03-26 09:45:03 +0800 | [diff] [blame] | 219 | const char *c = color(subsys); |
| 220 | if (c) { |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 221 | ret = snprintf(buf + offset, rem, "%s", color(subsys)); |
| 222 | if (ret < 0) |
| 223 | goto err; |
| 224 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | d788f66 | 2010-03-26 09:45:03 +0800 | [diff] [blame] | 225 | } |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 226 | } |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 227 | if (!cont) { |
| 228 | if (target->print_timestamp) { |
| 229 | char *timestr; |
| 230 | time_t tm; |
| 231 | tm = time(NULL); |
| 232 | timestr = ctime(&tm); |
| 233 | timestr[strlen(timestr)-1] = '\0'; |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 234 | ret = snprintf(buf + offset, rem, "%s ", timestr); |
| 235 | if (ret < 0) |
| 236 | goto err; |
| 237 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 238 | } |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 239 | ret = snprintf(buf + offset, rem, "<%4.4x> %s:%d ", |
| 240 | subsys, file, line); |
| 241 | if (ret < 0) |
| 242 | goto err; |
| 243 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 244 | } |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 245 | ret = vsnprintf(buf + offset, rem, format, ap); |
| 246 | if (ret < 0) |
| 247 | goto err; |
| 248 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 249 | |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 250 | ret = snprintf(buf + offset, rem, "%s", |
| 251 | target->use_color ? "\033[0;m" : ""); |
| 252 | if (ret < 0) |
| 253 | goto err; |
| 254 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
| 255 | err: |
| 256 | buf[sizeof(buf)-1] = '\0'; |
| 257 | target->output(target, level, buf); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 258 | } |
| 259 | |
Harald Welte | 36c5a3e | 2011-08-27 14:33:19 +0200 | [diff] [blame] | 260 | /*! \brief vararg version of logging function */ |
| 261 | void osmo_vlogp(int subsys, int level, char *file, int line, |
| 262 | int cont, const char *format, va_list ap) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 263 | { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 264 | struct log_target *tar; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 265 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 266 | if (subsys < 0) |
| 267 | subsys = subsys_lib2index(subsys); |
| 268 | |
| 269 | if (subsys > osmo_log_info->num_cat) |
| 270 | subsys = DLGLOBAL; |
| 271 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 272 | llist_for_each_entry(tar, &osmo_log_target_list, entry) { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 273 | struct log_category *category; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 274 | int output = 0; |
Pablo Neira Ayuso | dd93bf4 | 2011-05-19 01:40:43 +0200 | [diff] [blame] | 275 | va_list bp; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 276 | |
| 277 | category = &tar->categories[subsys]; |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 278 | /* subsystem is not supposed to be logged */ |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 279 | if (!category->enabled) |
| 280 | continue; |
| 281 | |
| 282 | /* Check the global log level */ |
| 283 | if (tar->loglevel != 0 && level < tar->loglevel) |
| 284 | continue; |
| 285 | |
| 286 | /* Check the category log level */ |
| 287 | if (tar->loglevel == 0 && category->loglevel != 0 && |
| 288 | level < category->loglevel) |
| 289 | continue; |
| 290 | |
| 291 | /* Apply filters here... if that becomes messy we will |
| 292 | * need to put filters in a list and each filter will |
| 293 | * say stop, continue, output */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 294 | if ((tar->filter_map & LOG_FILTER_ALL) != 0) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 295 | output = 1; |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 296 | else if (osmo_log_info->filter_fn) |
| 297 | output = osmo_log_info->filter_fn(&log_context, |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 298 | tar); |
Pablo Neira Ayuso | 81e9636 | 2011-05-03 22:32:48 +0200 | [diff] [blame] | 299 | if (!output) |
| 300 | continue; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 301 | |
Pablo Neira Ayuso | dd93bf4 | 2011-05-19 01:40:43 +0200 | [diff] [blame] | 302 | /* According to the manpage, vsnprintf leaves the value of ap |
| 303 | * in undefined state. Since _output uses vsnprintf and it may |
| 304 | * be called several times, we have to pass a copy of ap. */ |
| 305 | va_copy(bp, ap); |
Harald Welte | da127cb | 2011-07-02 21:51:32 +0200 | [diff] [blame] | 306 | _output(tar, subsys, level, file, line, cont, format, bp); |
Pablo Neira Ayuso | dd93bf4 | 2011-05-19 01:40:43 +0200 | [diff] [blame] | 307 | va_end(bp); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 308 | } |
| 309 | } |
| 310 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 311 | void logp(int subsys, char *file, int line, int cont, |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 312 | const char *format, ...) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 313 | { |
| 314 | va_list ap; |
| 315 | |
| 316 | va_start(ap, format); |
Harald Welte | 36c5a3e | 2011-08-27 14:33:19 +0200 | [diff] [blame] | 317 | osmo_vlogp(subsys, LOGL_DEBUG, file, line, cont, format, ap); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 318 | va_end(ap); |
| 319 | } |
| 320 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 321 | void logp2(int subsys, unsigned int level, char *file, int line, int cont, const char *format, ...) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 322 | { |
| 323 | va_list ap; |
| 324 | |
| 325 | va_start(ap, format); |
Harald Welte | 36c5a3e | 2011-08-27 14:33:19 +0200 | [diff] [blame] | 326 | osmo_vlogp(subsys, level, file, line, cont, format, ap); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 327 | va_end(ap); |
| 328 | } |
| 329 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 330 | /*! \brief Register a new log target with the logging core |
| 331 | * \param[in] target Log target to be registered |
| 332 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 333 | void log_add_target(struct log_target *target) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 334 | { |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 335 | llist_add_tail(&target->entry, &osmo_log_target_list); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 336 | } |
| 337 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 338 | /*! \brief Unregister a log target from the logging core |
| 339 | * \param[in] target Log target to be unregistered |
| 340 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 341 | void log_del_target(struct log_target *target) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 342 | { |
| 343 | llist_del(&target->entry); |
| 344 | } |
| 345 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 346 | /*! \brief Reset (clear) the logging context */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 347 | void log_reset_context(void) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 348 | { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 349 | memset(&log_context, 0, sizeof(log_context)); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 350 | } |
| 351 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 352 | /*! \brief Set the logging context |
| 353 | * \param[in] ctx_nr logging context number |
| 354 | * \param[in] value value to which the context is to be set |
| 355 | * |
| 356 | * A logging context is something like the subscriber identity to which |
| 357 | * the currently processed message relates, or the BTS through which it |
| 358 | * was received. As soon as this data is known, it can be set using |
| 359 | * this function. The main use of context information is for logging |
| 360 | * filters. |
| 361 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 362 | int log_set_context(uint8_t ctx_nr, void *value) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 363 | { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 364 | if (ctx_nr > LOG_MAX_CTX) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 365 | return -EINVAL; |
| 366 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 367 | log_context.ctx[ctx_nr] = value; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 368 | |
| 369 | return 0; |
| 370 | } |
| 371 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 372 | /*! \brief Enable the \ref LOG_FILTER_ALL log filter |
| 373 | * \param[in] target Log target to be affected |
| 374 | * \param[in] all enable (1) or disable (0) the ALL filter |
| 375 | * |
| 376 | * When the \ref LOG_FILTER_ALL filter is enabled, all log messages will |
| 377 | * be printed. It acts as a wildcard. Setting it to \a 1 means there |
| 378 | * is no filtering. |
| 379 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 380 | void log_set_all_filter(struct log_target *target, int all) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 381 | { |
| 382 | if (all) |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 383 | target->filter_map |= LOG_FILTER_ALL; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 384 | else |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 385 | target->filter_map &= ~LOG_FILTER_ALL; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 386 | } |
| 387 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 388 | /*! \brief Enable or disable the use of colored output |
| 389 | * \param[in] target Log target to be affected |
| 390 | * \param[in] use_color Use color (1) or don't use color (0) |
| 391 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 392 | void log_set_use_color(struct log_target *target, int use_color) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 393 | { |
| 394 | target->use_color = use_color; |
| 395 | } |
| 396 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 397 | /*! \brief Enable or disable printing of timestamps while logging |
| 398 | * \param[in] target Log target to be affected |
| 399 | * \param[in] print_timestamp Enable (1) or disable (0) timestamps |
| 400 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 401 | void log_set_print_timestamp(struct log_target *target, int print_timestamp) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 402 | { |
| 403 | target->print_timestamp = print_timestamp; |
| 404 | } |
| 405 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 406 | /*! \brief Set the global log level for a given log target |
| 407 | * \param[in] target Log target to be affected |
| 408 | * \param[in] log_level New global log level |
| 409 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 410 | void log_set_log_level(struct log_target *target, int log_level) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 411 | { |
| 412 | target->loglevel = log_level; |
| 413 | } |
| 414 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 415 | void log_set_category_filter(struct log_target *target, int category, |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 416 | int enable, int level) |
| 417 | { |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 418 | if (category >= osmo_log_info->num_cat) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 419 | return; |
| 420 | target->categories[category].enabled = !!enable; |
| 421 | target->categories[category].loglevel = level; |
| 422 | } |
| 423 | |
Harald Welte | 76e72ab | 2011-02-17 15:52:39 +0100 | [diff] [blame] | 424 | static void _file_output(struct log_target *target, unsigned int level, |
| 425 | const char *log) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 426 | { |
Harald Welte | 0083cd3 | 2010-08-25 14:55:44 +0200 | [diff] [blame] | 427 | fprintf(target->tgt_file.out, "%s", log); |
| 428 | fflush(target->tgt_file.out); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 429 | } |
| 430 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 431 | /*! \brief Create a new log target skeleton */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 432 | struct log_target *log_target_create(void) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 433 | { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 434 | struct log_target *target; |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 435 | unsigned int i; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 436 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 437 | target = talloc_zero(tall_log_ctx, struct log_target); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 438 | if (!target) |
| 439 | return NULL; |
| 440 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 441 | target->categories = talloc_zero_array(target, |
| 442 | struct log_category, |
| 443 | osmo_log_info->num_cat); |
| 444 | if (!target->categories) { |
| 445 | talloc_free(target); |
| 446 | return NULL; |
| 447 | } |
| 448 | |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 449 | INIT_LLIST_HEAD(&target->entry); |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 450 | |
| 451 | /* initialize the per-category enabled/loglevel from defaults */ |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 452 | for (i = 0; i < osmo_log_info->num_cat; i++) { |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 453 | struct log_category *cat = &target->categories[i]; |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 454 | cat->enabled = osmo_log_info->cat[i].enabled; |
| 455 | cat->loglevel = osmo_log_info->cat[i].loglevel; |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | /* global settings */ |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 459 | target->use_color = 1; |
| 460 | target->print_timestamp = 0; |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 461 | |
| 462 | /* global log level */ |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 463 | target->loglevel = 0; |
| 464 | return target; |
| 465 | } |
| 466 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 467 | /*! \brief Create the STDERR log target */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 468 | struct log_target *log_target_create_stderr(void) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 469 | { |
Harald Welte | a3b844c | 2010-03-27 00:04:40 +0800 | [diff] [blame] | 470 | /* since C89/C99 says stderr is a macro, we can safely do this! */ |
| 471 | #ifdef stderr |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 472 | struct log_target *target; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 473 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 474 | target = log_target_create(); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 475 | if (!target) |
| 476 | return NULL; |
| 477 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 478 | target->type = LOG_TGT_TYPE_STDERR; |
Harald Welte | 0083cd3 | 2010-08-25 14:55:44 +0200 | [diff] [blame] | 479 | target->tgt_file.out = stderr; |
| 480 | target->output = _file_output; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 481 | return target; |
Harald Welte | a3b844c | 2010-03-27 00:04:40 +0800 | [diff] [blame] | 482 | #else |
| 483 | return NULL; |
| 484 | #endif /* stderr */ |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 485 | } |
| 486 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 487 | /*! \brief Create a new file-based log target |
| 488 | * \param[in] fname File name of the new log file |
| 489 | * \returns Log target in case of success, NULL otherwise |
| 490 | */ |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 491 | struct log_target *log_target_create_file(const char *fname) |
| 492 | { |
| 493 | struct log_target *target; |
| 494 | |
| 495 | target = log_target_create(); |
| 496 | if (!target) |
| 497 | return NULL; |
| 498 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 499 | target->type = LOG_TGT_TYPE_FILE; |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 500 | target->tgt_file.out = fopen(fname, "a"); |
| 501 | if (!target->tgt_file.out) |
| 502 | return NULL; |
| 503 | |
| 504 | target->output = _file_output; |
| 505 | |
| 506 | target->tgt_file.fname = talloc_strdup(target, fname); |
| 507 | |
| 508 | return target; |
| 509 | } |
| 510 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 511 | /*! \brief Find a registered log target |
| 512 | * \param[in] type Log target type |
| 513 | * \param[in] fname File name |
| 514 | * \returns Log target (if found), NULL otherwise |
| 515 | */ |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 516 | struct log_target *log_target_find(int type, const char *fname) |
| 517 | { |
| 518 | struct log_target *tgt; |
| 519 | |
| 520 | llist_for_each_entry(tgt, &osmo_log_target_list, entry) { |
| 521 | if (tgt->type != type) |
| 522 | continue; |
| 523 | if (tgt->type == LOG_TGT_TYPE_FILE) { |
| 524 | if (!strcmp(fname, tgt->tgt_file.fname)) |
| 525 | return tgt; |
| 526 | } else |
| 527 | return tgt; |
| 528 | } |
| 529 | return NULL; |
| 530 | } |
| 531 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 532 | /*! \brief Unregister, close and delete a log target */ |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 533 | void log_target_destroy(struct log_target *target) |
| 534 | { |
| 535 | |
| 536 | /* just in case, to make sure we don't have any references */ |
| 537 | log_del_target(target); |
| 538 | |
| 539 | if (target->output == &_file_output) { |
Sylvain Munaut | af5ee34 | 2010-09-17 14:38:17 +0200 | [diff] [blame] | 540 | /* since C89/C99 says stderr is a macro, we can safely do this! */ |
| 541 | #ifdef stderr |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 542 | /* don't close stderr */ |
Sylvain Munaut | af5ee34 | 2010-09-17 14:38:17 +0200 | [diff] [blame] | 543 | if (target->tgt_file.out != stderr) |
| 544 | #endif |
| 545 | { |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 546 | fclose(target->tgt_file.out); |
| 547 | target->tgt_file.out = NULL; |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | talloc_free(target); |
| 552 | } |
| 553 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 554 | /*! \brief close and re-open a log file (for log file rotation) */ |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 555 | int log_target_file_reopen(struct log_target *target) |
| 556 | { |
| 557 | fclose(target->tgt_file.out); |
| 558 | |
| 559 | target->tgt_file.out = fopen(target->tgt_file.fname, "a"); |
| 560 | if (!target->tgt_file.out) |
| 561 | return -errno; |
| 562 | |
| 563 | /* we assume target->output already to be set */ |
| 564 | |
| 565 | return 0; |
| 566 | } |
| 567 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 568 | /*! \brief Generates the logging command string for VTY |
| 569 | * \param[in] unused_info Deprecated parameter, no longer used! |
| 570 | */ |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 571 | const char *log_vty_command_string(const struct log_info *unused_info) |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 572 | { |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 573 | struct log_info *info = osmo_log_info; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 574 | int len = 0, offset = 0, ret, i, rem; |
| 575 | int size = strlen("logging level () ()") + 1; |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 576 | char *str; |
| 577 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 578 | for (i = 0; i < info->num_cat; i++) { |
| 579 | if (info->cat[i].name == NULL) |
| 580 | continue; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 581 | size += strlen(info->cat[i].name) + 1; |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 582 | } |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 583 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 584 | for (i = 0; i < LOGLEVEL_DEFS; i++) |
| 585 | size += strlen(loglevel_strs[i].str) + 1; |
| 586 | |
| 587 | rem = size; |
Pablo Neira Ayuso | f1fae4d | 2011-05-03 22:32:42 +0200 | [diff] [blame] | 588 | str = talloc_zero_size(tall_log_ctx, size); |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 589 | if (!str) |
| 590 | return NULL; |
| 591 | |
Holger Hans Peter Freyther | 952a18e | 2011-03-29 17:03:56 +0200 | [diff] [blame] | 592 | ret = snprintf(str + offset, rem, "logging level (all|"); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 593 | if (ret < 0) |
| 594 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 595 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 596 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 597 | for (i = 0; i < info->num_cat; i++) { |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 598 | if (info->cat[i].name) { |
| 599 | int j, name_len = strlen(info->cat[i].name)+1; |
| 600 | char name[name_len]; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 601 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 602 | for (j = 0; j < name_len; j++) |
| 603 | name[j] = tolower(info->cat[i].name[j]); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 604 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 605 | name[name_len-1] = '\0'; |
| 606 | ret = snprintf(str + offset, rem, "%s|", name+1); |
| 607 | if (ret < 0) |
| 608 | goto err; |
| 609 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
| 610 | } |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 611 | } |
| 612 | offset--; /* to remove the trailing | */ |
| 613 | rem++; |
| 614 | |
| 615 | ret = snprintf(str + offset, rem, ") ("); |
| 616 | if (ret < 0) |
| 617 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 618 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 619 | |
| 620 | for (i = 0; i < LOGLEVEL_DEFS; i++) { |
| 621 | int j, loglevel_str_len = strlen(loglevel_strs[i].str)+1; |
| 622 | char loglevel_str[loglevel_str_len]; |
| 623 | |
| 624 | for (j = 0; j < loglevel_str_len; j++) |
| 625 | loglevel_str[j] = tolower(loglevel_strs[i].str[j]); |
| 626 | |
| 627 | loglevel_str[loglevel_str_len-1] = '\0'; |
| 628 | ret = snprintf(str + offset, rem, "%s|", loglevel_str); |
| 629 | if (ret < 0) |
| 630 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 631 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 632 | } |
| 633 | offset--; /* to remove the trailing | */ |
| 634 | rem++; |
| 635 | |
| 636 | ret = snprintf(str + offset, rem, ")"); |
| 637 | if (ret < 0) |
| 638 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 639 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 640 | err: |
Pablo Neira Ayuso | 534ba81 | 2011-05-03 22:32:48 +0200 | [diff] [blame] | 641 | str[size-1] = '\0'; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 642 | return str; |
| 643 | } |
| 644 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 645 | /*! \brief Generates the logging command description for VTY |
| 646 | * \param[in] unused_info Deprecated parameter, no longer used! |
| 647 | */ |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 648 | const char *log_vty_command_description(const struct log_info *unused_info) |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 649 | { |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 650 | struct log_info *info = osmo_log_info; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 651 | char *str; |
| 652 | int i, ret, len = 0, offset = 0, rem; |
| 653 | unsigned int size = |
| 654 | strlen(LOGGING_STR |
| 655 | "Set the log level for a specified category\n") + 1; |
| 656 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 657 | for (i = 0; i < info->num_cat; i++) { |
| 658 | if (info->cat[i].name == NULL) |
| 659 | continue; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 660 | size += strlen(info->cat[i].description) + 1; |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 661 | } |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 662 | |
| 663 | for (i = 0; i < LOGLEVEL_DEFS; i++) |
| 664 | size += strlen(loglevel_descriptions[i]) + 1; |
| 665 | |
Pablo Neira Ayuso | d6b5195 | 2011-05-03 22:32:32 +0200 | [diff] [blame] | 666 | size += strlen("Global setting for all subsystems") + 1; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 667 | rem = size; |
Pablo Neira Ayuso | f1fae4d | 2011-05-03 22:32:42 +0200 | [diff] [blame] | 668 | str = talloc_zero_size(tall_log_ctx, size); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 669 | if (!str) |
| 670 | return NULL; |
| 671 | |
| 672 | ret = snprintf(str + offset, rem, LOGGING_STR |
| 673 | "Set the log level for a specified category\n"); |
| 674 | if (ret < 0) |
| 675 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 676 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 677 | |
Pablo Neira Ayuso | d6b5195 | 2011-05-03 22:32:32 +0200 | [diff] [blame] | 678 | ret = snprintf(str + offset, rem, |
| 679 | "Global setting for all subsystems\n"); |
| 680 | if (ret < 0) |
| 681 | goto err; |
| 682 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
| 683 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 684 | for (i = 0; i < info->num_cat; i++) { |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 685 | if (info->cat[i].name == NULL) |
| 686 | continue; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 687 | ret = snprintf(str + offset, rem, "%s\n", |
| 688 | info->cat[i].description); |
| 689 | if (ret < 0) |
| 690 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 691 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 692 | } |
| 693 | for (i = 0; i < LOGLEVEL_DEFS; i++) { |
| 694 | ret = snprintf(str + offset, rem, "%s\n", |
| 695 | loglevel_descriptions[i]); |
| 696 | if (ret < 0) |
| 697 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 698 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 699 | } |
| 700 | err: |
Pablo Neira Ayuso | 534ba81 | 2011-05-03 22:32:48 +0200 | [diff] [blame] | 701 | str[size-1] = '\0'; |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 702 | return str; |
| 703 | } |
| 704 | |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 705 | /*! \brief Initialize the Osmocom logging core |
| 706 | * \param[in] inf Information regarding logging categories |
| 707 | * \param[in] ctx \ref talloc context for logging allocations |
| 708 | * \returns 0 in case of success, negative in case of error |
| 709 | */ |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 710 | int log_init(const struct log_info *inf, void *ctx) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 711 | { |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 712 | int i; |
| 713 | |
| 714 | tall_log_ctx = talloc_named_const(ctx, 1, "logging"); |
| 715 | if (!tall_log_ctx) |
| 716 | return -ENOMEM; |
| 717 | |
| 718 | osmo_log_info = talloc_zero(tall_log_ctx, struct log_info); |
| 719 | if (!osmo_log_info) |
| 720 | return -ENOMEM; |
| 721 | |
| 722 | osmo_log_info->num_cat_user = inf->num_cat; |
| 723 | /* total number = number of user cat + library cat */ |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 724 | osmo_log_info->num_cat = inf->num_cat + ARRAY_SIZE(internal_cat); |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 725 | |
| 726 | osmo_log_info->cat = talloc_zero_array(osmo_log_info, |
| 727 | struct log_info_cat, |
| 728 | osmo_log_info->num_cat); |
| 729 | if (!osmo_log_info->cat) { |
| 730 | talloc_free(osmo_log_info); |
| 731 | osmo_log_info = NULL; |
| 732 | return -ENOMEM; |
| 733 | } |
| 734 | |
| 735 | /* copy over the user part */ |
| 736 | for (i = 0; i < inf->num_cat; i++) { |
| 737 | memcpy(&osmo_log_info->cat[i], &inf->cat[i], |
| 738 | sizeof(struct log_info_cat)); |
| 739 | } |
| 740 | |
| 741 | /* copy over the library part */ |
Harald Welte | 9fe1652 | 2011-06-27 14:00:03 +0200 | [diff] [blame] | 742 | for (i = 0; i < ARRAY_SIZE(internal_cat); i++) { |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 743 | unsigned int cn = osmo_log_info->num_cat_user + i; |
| 744 | memcpy(&osmo_log_info->cat[cn], |
Harald Welte | 9fe1652 | 2011-06-27 14:00:03 +0200 | [diff] [blame] | 745 | &internal_cat[i], sizeof(struct log_info_cat)); |
| 746 | } |
| 747 | |
| 748 | return 0; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 749 | } |
Harald Welte | 18fc465 | 2011-08-17 14:14:17 +0200 | [diff] [blame] | 750 | |
| 751 | /*! }@ */ |