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 | 01fd5cb | 2010-03-26 23:51:31 +0800 | [diff] [blame] | 23 | #include "../config.h" |
| 24 | |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 25 | #include <stdarg.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <stdio.h> |
| 28 | #include <string.h> |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 29 | #include <ctype.h> |
Harald Welte | 01fd5cb | 2010-03-26 23:51:31 +0800 | [diff] [blame] | 30 | |
| 31 | #ifdef HAVE_STRINGS_H |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 32 | #include <strings.h> |
Harald Welte | 01fd5cb | 2010-03-26 23:51:31 +0800 | [diff] [blame] | 33 | #endif |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 34 | #include <time.h> |
| 35 | #include <errno.h> |
| 36 | |
Pablo Neira Ayuso | 8341934 | 2011-03-22 16:36:13 +0100 | [diff] [blame] | 37 | #include <osmocom/core/talloc.h> |
| 38 | #include <osmocom/core/utils.h> |
| 39 | #include <osmocom/core/logging.h> |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 40 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 41 | #include <osmocom/vty/logging.h> /* for LOGGING_STR. */ |
| 42 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 43 | struct log_info *osmo_log_info; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 44 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 45 | static struct log_context log_context; |
| 46 | static void *tall_log_ctx = NULL; |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 47 | LLIST_HEAD(osmo_log_target_list); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 48 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 49 | #define LOGLEVEL_DEFS 6 /* Number of loglevels.*/ |
| 50 | |
| 51 | static const struct value_string loglevel_strs[LOGLEVEL_DEFS+1] = { |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 52 | { 0, "EVERYTHING" }, |
| 53 | { LOGL_DEBUG, "DEBUG" }, |
| 54 | { LOGL_INFO, "INFO" }, |
| 55 | { LOGL_NOTICE, "NOTICE" }, |
| 56 | { LOGL_ERROR, "ERROR" }, |
| 57 | { LOGL_FATAL, "FATAL" }, |
| 58 | { 0, NULL }, |
| 59 | }; |
| 60 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 61 | #define INT2IDX(x) (-1*(x)-1) |
| 62 | static const struct log_info_cat internal_cat[OSMO_NUM_DLIB] = { |
| 63 | [INT2IDX(DLGLOBAL)] = { /* -1 becomes 0 */ |
| 64 | .name = "DLGLOBAL", |
| 65 | .description = "Library-internal global log family", |
| 66 | .loglevel = LOGL_NOTICE, |
| 67 | .enabled = 1, |
| 68 | }, |
Harald Welte | 1f0b8c2 | 2011-06-27 10:51:37 +0200 | [diff] [blame] | 69 | [INT2IDX(DLLAPDM)] = { /* -2 becomes 1 */ |
| 70 | .name = "DLLAPDM", |
| 71 | .description = "LAPDm in libosmogsm", |
| 72 | .loglevel = LOGL_NOTICE, |
| 73 | .enabled = 1, |
| 74 | }, |
Pablo Neira Ayuso | 199f377 | 2011-07-07 19:46:38 +0200 | [diff] [blame] | 75 | [INT2IDX(DINP)] = { |
| 76 | .name = "DINP", |
| 77 | .description = "A-bis Intput Subsystem", |
| 78 | .loglevel = LOGL_NOTICE, |
| 79 | .enabled = 1, |
| 80 | }, |
| 81 | [INT2IDX(DMUX)] = { |
| 82 | .name = "DMUX", |
| 83 | .description = "A-bis B-Subchannel TRAU Frame Multiplex", |
| 84 | .loglevel = LOGL_NOTICE, |
| 85 | .enabled = 1, |
| 86 | }, |
| 87 | [INT2IDX(DMI)] = { |
| 88 | .name = "DMI", |
| 89 | .description = "A-bis Input Driver for Signalling", |
| 90 | .enabled = 0, .loglevel = LOGL_NOTICE, |
| 91 | }, |
| 92 | [INT2IDX(DMIB)] = { |
| 93 | .name = "DMIB", |
| 94 | .description = "A-bis Input Driver for B-Channels (voice)", |
| 95 | .enabled = 0, .loglevel = LOGL_NOTICE, |
| 96 | }, |
| 97 | [INT2IDX(DRSL)] = { |
| 98 | .name = "DRSL", |
| 99 | .description = "A-bis Radio Siganlling Link (RSL)", |
| 100 | .color = "\033[1;35m", |
| 101 | .enabled = 1, .loglevel = LOGL_NOTICE, |
| 102 | }, |
| 103 | [INT2IDX(DNM)] = { |
| 104 | .name = "DNM", |
| 105 | .description = "A-bis Network Management / O&M (NM/OML)", |
| 106 | .color = "\033[1;36m", |
| 107 | .enabled = 1, .loglevel = LOGL_INFO, |
| 108 | }, |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 109 | }; |
| 110 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 111 | /* You have to keep this in sync with the structure loglevel_strs. */ |
| 112 | const char *loglevel_descriptions[LOGLEVEL_DEFS+1] = { |
| 113 | "Log simply everything", |
| 114 | "Log debug messages and higher levels", |
| 115 | "Log informational messages and higher levels", |
| 116 | "Log noticable messages and higher levels", |
| 117 | "Log error messages and higher levels", |
| 118 | "Log only fatal messages", |
| 119 | NULL, |
| 120 | }; |
| 121 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 122 | /* special magic for negative (library-internal) log subsystem numbers */ |
| 123 | static int subsys_lib2index(int subsys) |
| 124 | { |
| 125 | return (subsys * -1) + (osmo_log_info->num_cat_user-1); |
| 126 | } |
| 127 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 128 | int log_parse_level(const char *lvl) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 129 | { |
| 130 | return get_string_value(loglevel_strs, lvl); |
| 131 | } |
| 132 | |
Harald Welte | 9ac2225 | 2010-05-11 11:19:40 +0200 | [diff] [blame] | 133 | const char *log_level_str(unsigned int lvl) |
| 134 | { |
| 135 | return get_value_string(loglevel_strs, lvl); |
| 136 | } |
| 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 | |
| 152 | /* |
| 153 | * Parse the category mask. |
| 154 | * The format can be this: category1:category2:category3 |
| 155 | * or category1,2:category2,3:... |
| 156 | */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 157 | void log_parse_category_mask(struct log_target* target, const char *_mask) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 158 | { |
| 159 | int i = 0; |
| 160 | char *mask = strdup(_mask); |
| 161 | char *category_token = NULL; |
| 162 | |
| 163 | /* Disable everything to enable it afterwards */ |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 164 | for (i = 0; i < osmo_log_info->num_cat; ++i) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 165 | target->categories[i].enabled = 0; |
| 166 | |
| 167 | category_token = strtok(mask, ":"); |
| 168 | do { |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 169 | for (i = 0; i < osmo_log_info->num_cat; ++i) { |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 170 | char* colon = strstr(category_token, ","); |
| 171 | int length = strlen(category_token); |
| 172 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 173 | if (!osmo_log_info->cat[i].name) |
| 174 | continue; |
| 175 | |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 176 | if (colon) |
| 177 | length = colon - category_token; |
| 178 | |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 179 | if (strncasecmp(osmo_log_info->cat[i].name, |
| 180 | category_token, length) == 0) { |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 181 | int level = 0; |
| 182 | |
| 183 | if (colon) |
| 184 | level = atoi(colon+1); |
| 185 | |
Harald Welte | faadfe2 | 2010-03-26 21:05:43 +0800 | [diff] [blame] | 186 | target->categories[i].enabled = 1; |
| 187 | target->categories[i].loglevel = level; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 188 | } |
| 189 | } |
| 190 | } while ((category_token = strtok(NULL, ":"))); |
| 191 | |
| 192 | free(mask); |
| 193 | } |
| 194 | |
| 195 | static const char* color(int subsys) |
| 196 | { |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 197 | if (subsys < osmo_log_info->num_cat) |
| 198 | return osmo_log_info->cat[subsys].color; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 199 | |
Harald Welte | d788f66 | 2010-03-26 09:45:03 +0800 | [diff] [blame] | 200 | return NULL; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 201 | } |
| 202 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 203 | static void _output(struct log_target *target, unsigned int subsys, |
Harald Welte | 76e72ab | 2011-02-17 15:52:39 +0100 | [diff] [blame] | 204 | unsigned int level, char *file, int line, int cont, |
| 205 | const char *format, va_list ap) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 206 | { |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 207 | char buf[4096]; |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 208 | int ret, len = 0, offset = 0, rem = sizeof(buf); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 209 | |
| 210 | /* are we using color */ |
| 211 | if (target->use_color) { |
Harald Welte | d788f66 | 2010-03-26 09:45:03 +0800 | [diff] [blame] | 212 | const char *c = color(subsys); |
| 213 | if (c) { |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 214 | ret = snprintf(buf + offset, rem, "%s", color(subsys)); |
| 215 | if (ret < 0) |
| 216 | goto err; |
| 217 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | d788f66 | 2010-03-26 09:45:03 +0800 | [diff] [blame] | 218 | } |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 219 | } |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 220 | if (!cont) { |
| 221 | if (target->print_timestamp) { |
| 222 | char *timestr; |
| 223 | time_t tm; |
| 224 | tm = time(NULL); |
| 225 | timestr = ctime(&tm); |
| 226 | timestr[strlen(timestr)-1] = '\0'; |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 227 | ret = snprintf(buf + offset, rem, "%s ", timestr); |
| 228 | if (ret < 0) |
| 229 | goto err; |
| 230 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 231 | } |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 232 | ret = snprintf(buf + offset, rem, "<%4.4x> %s:%d ", |
| 233 | subsys, file, line); |
| 234 | if (ret < 0) |
| 235 | goto err; |
| 236 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 237 | } |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 238 | ret = vsnprintf(buf + offset, rem, format, ap); |
| 239 | if (ret < 0) |
| 240 | goto err; |
| 241 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 242 | |
Pablo Neira Ayuso | 7503fb8 | 2011-05-03 22:32:43 +0200 | [diff] [blame] | 243 | ret = snprintf(buf + offset, rem, "%s", |
| 244 | target->use_color ? "\033[0;m" : ""); |
| 245 | if (ret < 0) |
| 246 | goto err; |
| 247 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
| 248 | err: |
| 249 | buf[sizeof(buf)-1] = '\0'; |
| 250 | target->output(target, level, buf); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 251 | } |
| 252 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 253 | static void _logp(int subsys, int level, char *file, int line, |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 254 | int cont, const char *format, va_list ap) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 255 | { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 256 | struct log_target *tar; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 257 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 258 | if (subsys < 0) |
| 259 | subsys = subsys_lib2index(subsys); |
| 260 | |
| 261 | if (subsys > osmo_log_info->num_cat) |
| 262 | subsys = DLGLOBAL; |
| 263 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 264 | llist_for_each_entry(tar, &osmo_log_target_list, entry) { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 265 | struct log_category *category; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 266 | int output = 0; |
Pablo Neira Ayuso | dd93bf4 | 2011-05-19 01:40:43 +0200 | [diff] [blame] | 267 | va_list bp; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 268 | |
| 269 | category = &tar->categories[subsys]; |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 270 | /* subsystem is not supposed to be logged */ |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 271 | if (!category->enabled) |
| 272 | continue; |
| 273 | |
| 274 | /* Check the global log level */ |
| 275 | if (tar->loglevel != 0 && level < tar->loglevel) |
| 276 | continue; |
| 277 | |
| 278 | /* Check the category log level */ |
| 279 | if (tar->loglevel == 0 && category->loglevel != 0 && |
| 280 | level < category->loglevel) |
| 281 | continue; |
| 282 | |
| 283 | /* Apply filters here... if that becomes messy we will |
| 284 | * need to put filters in a list and each filter will |
| 285 | * say stop, continue, output */ |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 286 | if ((tar->filter_map & LOG_FILTER_ALL) != 0) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 287 | output = 1; |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 288 | else if (osmo_log_info->filter_fn) |
| 289 | output = osmo_log_info->filter_fn(&log_context, |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 290 | tar); |
Pablo Neira Ayuso | 81e9636 | 2011-05-03 22:32:48 +0200 | [diff] [blame] | 291 | if (!output) |
| 292 | continue; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 293 | |
Pablo Neira Ayuso | dd93bf4 | 2011-05-19 01:40:43 +0200 | [diff] [blame] | 294 | /* According to the manpage, vsnprintf leaves the value of ap |
| 295 | * in undefined state. Since _output uses vsnprintf and it may |
| 296 | * be called several times, we have to pass a copy of ap. */ |
| 297 | va_copy(bp, ap); |
Harald Welte | da127cb | 2011-07-02 21:51:32 +0200 | [diff] [blame] | 298 | _output(tar, subsys, level, file, line, cont, format, bp); |
Pablo Neira Ayuso | dd93bf4 | 2011-05-19 01:40:43 +0200 | [diff] [blame] | 299 | va_end(bp); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 300 | } |
| 301 | } |
| 302 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 303 | void logp(int subsys, char *file, int line, int cont, |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 304 | const char *format, ...) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 305 | { |
| 306 | va_list ap; |
| 307 | |
| 308 | va_start(ap, format); |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 309 | _logp(subsys, LOGL_DEBUG, file, line, cont, format, ap); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 310 | va_end(ap); |
| 311 | } |
| 312 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 313 | 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] | 314 | { |
| 315 | va_list ap; |
| 316 | |
| 317 | va_start(ap, format); |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 318 | _logp(subsys, level, file, line, cont, format, ap); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 319 | va_end(ap); |
| 320 | } |
| 321 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 322 | void log_add_target(struct log_target *target) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 323 | { |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 324 | llist_add_tail(&target->entry, &osmo_log_target_list); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 325 | } |
| 326 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 327 | void log_del_target(struct log_target *target) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 328 | { |
| 329 | llist_del(&target->entry); |
| 330 | } |
| 331 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 332 | void log_reset_context(void) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 333 | { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 334 | memset(&log_context, 0, sizeof(log_context)); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 335 | } |
| 336 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 337 | int log_set_context(uint8_t ctx_nr, void *value) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 338 | { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 339 | if (ctx_nr > LOG_MAX_CTX) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 340 | return -EINVAL; |
| 341 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 342 | log_context.ctx[ctx_nr] = value; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 343 | |
| 344 | return 0; |
| 345 | } |
| 346 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 347 | void log_set_all_filter(struct log_target *target, int all) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 348 | { |
| 349 | if (all) |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 350 | target->filter_map |= LOG_FILTER_ALL; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 351 | else |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 352 | target->filter_map &= ~LOG_FILTER_ALL; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 353 | } |
| 354 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 355 | void log_set_use_color(struct log_target *target, int use_color) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 356 | { |
| 357 | target->use_color = use_color; |
| 358 | } |
| 359 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 360 | void log_set_print_timestamp(struct log_target *target, int print_timestamp) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 361 | { |
| 362 | target->print_timestamp = print_timestamp; |
| 363 | } |
| 364 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 365 | void log_set_log_level(struct log_target *target, int log_level) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 366 | { |
| 367 | target->loglevel = log_level; |
| 368 | } |
| 369 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 370 | void log_set_category_filter(struct log_target *target, int category, |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 371 | int enable, int level) |
| 372 | { |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 373 | if (category >= osmo_log_info->num_cat) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 374 | return; |
| 375 | target->categories[category].enabled = !!enable; |
| 376 | target->categories[category].loglevel = level; |
| 377 | } |
| 378 | |
Harald Welte | 76e72ab | 2011-02-17 15:52:39 +0100 | [diff] [blame] | 379 | static void _file_output(struct log_target *target, unsigned int level, |
| 380 | const char *log) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 381 | { |
Harald Welte | 0083cd3 | 2010-08-25 14:55:44 +0200 | [diff] [blame] | 382 | fprintf(target->tgt_file.out, "%s", log); |
| 383 | fflush(target->tgt_file.out); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 384 | } |
| 385 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 386 | struct log_target *log_target_create(void) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 387 | { |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 388 | struct log_target *target; |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 389 | unsigned int i; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 390 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 391 | target = talloc_zero(tall_log_ctx, struct log_target); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 392 | if (!target) |
| 393 | return NULL; |
| 394 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 395 | target->categories = talloc_zero_array(target, |
| 396 | struct log_category, |
| 397 | osmo_log_info->num_cat); |
| 398 | if (!target->categories) { |
| 399 | talloc_free(target); |
| 400 | return NULL; |
| 401 | } |
| 402 | |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 403 | INIT_LLIST_HEAD(&target->entry); |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 404 | |
| 405 | /* initialize the per-category enabled/loglevel from defaults */ |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 406 | for (i = 0; i < osmo_log_info->num_cat; i++) { |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 407 | struct log_category *cat = &target->categories[i]; |
Harald Welte | 4ebdf74 | 2010-05-19 19:54:00 +0200 | [diff] [blame] | 408 | cat->enabled = osmo_log_info->cat[i].enabled; |
| 409 | cat->loglevel = osmo_log_info->cat[i].loglevel; |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | /* global settings */ |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 413 | target->use_color = 1; |
| 414 | target->print_timestamp = 0; |
Harald Welte | cc6313c | 2010-03-26 22:04:03 +0800 | [diff] [blame] | 415 | |
| 416 | /* global log level */ |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 417 | target->loglevel = 0; |
| 418 | return target; |
| 419 | } |
| 420 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 421 | struct log_target *log_target_create_stderr(void) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 422 | { |
Harald Welte | a3b844c | 2010-03-27 00:04:40 +0800 | [diff] [blame] | 423 | /* since C89/C99 says stderr is a macro, we can safely do this! */ |
| 424 | #ifdef stderr |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 425 | struct log_target *target; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 426 | |
Harald Welte | 3ae2758 | 2010-03-26 21:24:24 +0800 | [diff] [blame] | 427 | target = log_target_create(); |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 428 | if (!target) |
| 429 | return NULL; |
| 430 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 431 | target->type = LOG_TGT_TYPE_STDERR; |
Harald Welte | 0083cd3 | 2010-08-25 14:55:44 +0200 | [diff] [blame] | 432 | target->tgt_file.out = stderr; |
| 433 | target->output = _file_output; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 434 | return target; |
Harald Welte | a3b844c | 2010-03-27 00:04:40 +0800 | [diff] [blame] | 435 | #else |
| 436 | return NULL; |
| 437 | #endif /* stderr */ |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 438 | } |
| 439 | |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 440 | struct log_target *log_target_create_file(const char *fname) |
| 441 | { |
| 442 | struct log_target *target; |
| 443 | |
| 444 | target = log_target_create(); |
| 445 | if (!target) |
| 446 | return NULL; |
| 447 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 448 | target->type = LOG_TGT_TYPE_FILE; |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 449 | target->tgt_file.out = fopen(fname, "a"); |
| 450 | if (!target->tgt_file.out) |
| 451 | return NULL; |
| 452 | |
| 453 | target->output = _file_output; |
| 454 | |
| 455 | target->tgt_file.fname = talloc_strdup(target, fname); |
| 456 | |
| 457 | return target; |
| 458 | } |
| 459 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 460 | struct log_target *log_target_find(int type, const char *fname) |
| 461 | { |
| 462 | struct log_target *tgt; |
| 463 | |
| 464 | llist_for_each_entry(tgt, &osmo_log_target_list, entry) { |
| 465 | if (tgt->type != type) |
| 466 | continue; |
| 467 | if (tgt->type == LOG_TGT_TYPE_FILE) { |
| 468 | if (!strcmp(fname, tgt->tgt_file.fname)) |
| 469 | return tgt; |
| 470 | } else |
| 471 | return tgt; |
| 472 | } |
| 473 | return NULL; |
| 474 | } |
| 475 | |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 476 | void log_target_destroy(struct log_target *target) |
| 477 | { |
| 478 | |
| 479 | /* just in case, to make sure we don't have any references */ |
| 480 | log_del_target(target); |
| 481 | |
| 482 | if (target->output == &_file_output) { |
Sylvain Munaut | af5ee34 | 2010-09-17 14:38:17 +0200 | [diff] [blame] | 483 | /* since C89/C99 says stderr is a macro, we can safely do this! */ |
| 484 | #ifdef stderr |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 485 | /* don't close stderr */ |
Sylvain Munaut | af5ee34 | 2010-09-17 14:38:17 +0200 | [diff] [blame] | 486 | if (target->tgt_file.out != stderr) |
| 487 | #endif |
| 488 | { |
Harald Welte | 3086c39 | 2010-08-25 19:10:50 +0200 | [diff] [blame] | 489 | fclose(target->tgt_file.out); |
| 490 | target->tgt_file.out = NULL; |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | talloc_free(target); |
| 495 | } |
| 496 | |
| 497 | /* close and re-open a log file (for log file rotation) */ |
| 498 | int log_target_file_reopen(struct log_target *target) |
| 499 | { |
| 500 | fclose(target->tgt_file.out); |
| 501 | |
| 502 | target->tgt_file.out = fopen(target->tgt_file.fname, "a"); |
| 503 | if (!target->tgt_file.out) |
| 504 | return -errno; |
| 505 | |
| 506 | /* we assume target->output already to be set */ |
| 507 | |
| 508 | return 0; |
| 509 | } |
| 510 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 511 | /* This generates the logging command string for VTY. */ |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 512 | const char *log_vty_command_string(const struct log_info *unused_info) |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 513 | { |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 514 | struct log_info *info = osmo_log_info; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 515 | int len = 0, offset = 0, ret, i, rem; |
| 516 | int size = strlen("logging level () ()") + 1; |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 517 | char *str; |
| 518 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 519 | for (i = 0; i < info->num_cat; i++) { |
| 520 | if (info->cat[i].name == NULL) |
| 521 | continue; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 522 | size += strlen(info->cat[i].name) + 1; |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 523 | } |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 524 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 525 | for (i = 0; i < LOGLEVEL_DEFS; i++) |
| 526 | size += strlen(loglevel_strs[i].str) + 1; |
| 527 | |
| 528 | rem = size; |
Pablo Neira Ayuso | f1fae4d | 2011-05-03 22:32:42 +0200 | [diff] [blame] | 529 | str = talloc_zero_size(tall_log_ctx, size); |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 530 | if (!str) |
| 531 | return NULL; |
| 532 | |
Holger Hans Peter Freyther | 952a18e | 2011-03-29 17:03:56 +0200 | [diff] [blame] | 533 | ret = snprintf(str + offset, rem, "logging level (all|"); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 534 | if (ret < 0) |
| 535 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 536 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 537 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 538 | for (i = 0; i < info->num_cat; i++) { |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 539 | if (info->cat[i].name) { |
| 540 | int j, name_len = strlen(info->cat[i].name)+1; |
| 541 | char name[name_len]; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 542 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 543 | for (j = 0; j < name_len; j++) |
| 544 | name[j] = tolower(info->cat[i].name[j]); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 545 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 546 | name[name_len-1] = '\0'; |
| 547 | ret = snprintf(str + offset, rem, "%s|", name+1); |
| 548 | if (ret < 0) |
| 549 | goto err; |
| 550 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
| 551 | } |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 552 | } |
| 553 | offset--; /* to remove the trailing | */ |
| 554 | rem++; |
| 555 | |
| 556 | ret = snprintf(str + offset, rem, ") ("); |
| 557 | if (ret < 0) |
| 558 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 559 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 560 | |
| 561 | for (i = 0; i < LOGLEVEL_DEFS; i++) { |
| 562 | int j, loglevel_str_len = strlen(loglevel_strs[i].str)+1; |
| 563 | char loglevel_str[loglevel_str_len]; |
| 564 | |
| 565 | for (j = 0; j < loglevel_str_len; j++) |
| 566 | loglevel_str[j] = tolower(loglevel_strs[i].str[j]); |
| 567 | |
| 568 | loglevel_str[loglevel_str_len-1] = '\0'; |
| 569 | ret = snprintf(str + offset, rem, "%s|", loglevel_str); |
| 570 | if (ret < 0) |
| 571 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 572 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 573 | } |
| 574 | offset--; /* to remove the trailing | */ |
| 575 | rem++; |
| 576 | |
| 577 | ret = snprintf(str + offset, rem, ")"); |
| 578 | if (ret < 0) |
| 579 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 580 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 581 | err: |
Pablo Neira Ayuso | 534ba81 | 2011-05-03 22:32:48 +0200 | [diff] [blame] | 582 | str[size-1] = '\0'; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 583 | return str; |
| 584 | } |
| 585 | |
| 586 | /* This generates the logging command description for VTY. */ |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 587 | 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] | 588 | { |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 589 | struct log_info *info = osmo_log_info; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 590 | char *str; |
| 591 | int i, ret, len = 0, offset = 0, rem; |
| 592 | unsigned int size = |
| 593 | strlen(LOGGING_STR |
| 594 | "Set the log level for a specified category\n") + 1; |
| 595 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 596 | for (i = 0; i < info->num_cat; i++) { |
| 597 | if (info->cat[i].name == NULL) |
| 598 | continue; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 599 | size += strlen(info->cat[i].description) + 1; |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 600 | } |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 601 | |
| 602 | for (i = 0; i < LOGLEVEL_DEFS; i++) |
| 603 | size += strlen(loglevel_descriptions[i]) + 1; |
| 604 | |
Pablo Neira Ayuso | d6b5195 | 2011-05-03 22:32:32 +0200 | [diff] [blame] | 605 | size += strlen("Global setting for all subsystems") + 1; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 606 | rem = size; |
Pablo Neira Ayuso | f1fae4d | 2011-05-03 22:32:42 +0200 | [diff] [blame] | 607 | str = talloc_zero_size(tall_log_ctx, size); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 608 | if (!str) |
| 609 | return NULL; |
| 610 | |
| 611 | ret = snprintf(str + offset, rem, LOGGING_STR |
| 612 | "Set the log level for a specified category\n"); |
| 613 | if (ret < 0) |
| 614 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 615 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 616 | |
Pablo Neira Ayuso | d6b5195 | 2011-05-03 22:32:32 +0200 | [diff] [blame] | 617 | ret = snprintf(str + offset, rem, |
| 618 | "Global setting for all subsystems\n"); |
| 619 | if (ret < 0) |
| 620 | goto err; |
| 621 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
| 622 | |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 623 | for (i = 0; i < info->num_cat; i++) { |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 624 | if (info->cat[i].name == NULL) |
| 625 | continue; |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 626 | ret = snprintf(str + offset, rem, "%s\n", |
| 627 | info->cat[i].description); |
| 628 | if (ret < 0) |
| 629 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 630 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 631 | } |
| 632 | for (i = 0; i < LOGLEVEL_DEFS; i++) { |
| 633 | ret = snprintf(str + offset, rem, "%s\n", |
| 634 | loglevel_descriptions[i]); |
| 635 | if (ret < 0) |
| 636 | goto err; |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 637 | OSMO_SNPRINTF_RET(ret, rem, offset, len); |
Pablo Neira Ayuso | 04139f1 | 2011-03-09 13:05:08 +0100 | [diff] [blame] | 638 | } |
| 639 | err: |
Pablo Neira Ayuso | 534ba81 | 2011-05-03 22:32:48 +0200 | [diff] [blame] | 640 | str[size-1] = '\0'; |
Harald Welte | 7638af9 | 2010-05-11 16:39:22 +0200 | [diff] [blame] | 641 | return str; |
| 642 | } |
| 643 | |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 644 | int log_init(const struct log_info *inf, void *ctx) |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 645 | { |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 646 | int i; |
| 647 | |
| 648 | tall_log_ctx = talloc_named_const(ctx, 1, "logging"); |
| 649 | if (!tall_log_ctx) |
| 650 | return -ENOMEM; |
| 651 | |
| 652 | osmo_log_info = talloc_zero(tall_log_ctx, struct log_info); |
| 653 | if (!osmo_log_info) |
| 654 | return -ENOMEM; |
| 655 | |
| 656 | osmo_log_info->num_cat_user = inf->num_cat; |
| 657 | /* total number = number of user cat + library cat */ |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 658 | osmo_log_info->num_cat = inf->num_cat + ARRAY_SIZE(internal_cat); |
Harald Welte | b43bc04 | 2011-06-27 10:29:17 +0200 | [diff] [blame] | 659 | |
| 660 | osmo_log_info->cat = talloc_zero_array(osmo_log_info, |
| 661 | struct log_info_cat, |
| 662 | osmo_log_info->num_cat); |
| 663 | if (!osmo_log_info->cat) { |
| 664 | talloc_free(osmo_log_info); |
| 665 | osmo_log_info = NULL; |
| 666 | return -ENOMEM; |
| 667 | } |
| 668 | |
| 669 | /* copy over the user part */ |
| 670 | for (i = 0; i < inf->num_cat; i++) { |
| 671 | memcpy(&osmo_log_info->cat[i], &inf->cat[i], |
| 672 | sizeof(struct log_info_cat)); |
| 673 | } |
| 674 | |
| 675 | /* copy over the library part */ |
Harald Welte | 9fe1652 | 2011-06-27 14:00:03 +0200 | [diff] [blame] | 676 | for (i = 0; i < ARRAY_SIZE(internal_cat); i++) { |
Harald Welte | ce9fec3 | 2011-06-27 14:19:16 +0200 | [diff] [blame] | 677 | unsigned int cn = osmo_log_info->num_cat_user + i; |
| 678 | memcpy(&osmo_log_info->cat[cn], |
Harald Welte | 9fe1652 | 2011-06-27 14:00:03 +0200 | [diff] [blame] | 679 | &internal_cat[i], sizeof(struct log_info_cat)); |
| 680 | } |
| 681 | |
| 682 | return 0; |
Harald Welte | 4a2bb9e | 2010-03-26 09:33:40 +0800 | [diff] [blame] | 683 | } |