| File: | libbaul-private/baul-debug-log.c |
| Warning: | line 229, column 17 Value stored to 'p' is never read |
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| 1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- |
| 2 | |
| 3 | baul-debug-log.c: Ring buffer for logging debug messages |
| 4 | |
| 5 | Copyright (C) 2006 Novell, Inc. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU General Public License as |
| 9 | published by the Free Software Foundation; either version 2 of the |
| 10 | License, or (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 GNU |
| 15 | General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public |
| 18 | License along with this program; if not, write to the |
| 19 | Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| 20 | Boston, MA 02110-1301, USA. |
| 21 | |
| 22 | Author: Federico Mena-Quintero <federico@novell.com> |
| 23 | */ |
| 24 | #include <config.h> |
| 25 | #include <errno(*__errno_location ()).h> |
| 26 | #include <stdio.h> |
| 27 | #include <string.h> |
| 28 | #include <time.h> |
| 29 | #include <sys/time.h> |
| 30 | #include "baul-debug-log.h" |
| 31 | #include "baul-file.h" |
| 32 | |
| 33 | #define DEFAULT_RING_BUFFER_NUM_LINES1000 1000 |
| 34 | |
| 35 | #define KEY_FILE_GROUP"debug log" "debug log" |
| 36 | #define KEY_FILE_DOMAINS_KEY"enable domains" "enable domains" |
| 37 | #define KEY_FILE_MAX_LINES_KEY"max lines" "max lines" |
| 38 | |
| 39 | #define MAX_URI_COUNT20 20 |
| 40 | |
| 41 | static GMutex log_mutex; |
| 42 | |
| 43 | static GHashTable *domains_hash; |
| 44 | static char **ring_buffer; |
| 45 | static int ring_buffer_next_index; |
| 46 | static int ring_buffer_num_lines; |
| 47 | static int ring_buffer_max_lines = DEFAULT_RING_BUFFER_NUM_LINES1000; |
| 48 | |
| 49 | static GSList *milestones_head; |
| 50 | static GSList *milestones_tail; |
| 51 | |
| 52 | static void |
| 53 | lock (void) |
| 54 | { |
| 55 | g_mutex_lock (&log_mutex); |
| 56 | } |
| 57 | |
| 58 | static void |
| 59 | unlock (void) |
| 60 | { |
| 61 | g_mutex_unlock (&log_mutex); |
| 62 | } |
| 63 | |
| 64 | void |
| 65 | baul_debug_log (gboolean is_milestone, const char *domain, const char *format, ...) |
| 66 | { |
| 67 | va_list args; |
| 68 | |
| 69 | va_start (args, format)__builtin_va_start(args, format); |
| 70 | baul_debug_logv (is_milestone, domain, NULL((void*)0), format, args); |
| 71 | va_end (args)__builtin_va_end(args); |
| 72 | } |
| 73 | |
| 74 | static gboolean |
| 75 | is_domain_enabled (const char *domain) |
| 76 | { |
| 77 | /* User actions are always logged */ |
| 78 | if (strcmp (domain, BAUL_DEBUG_LOG_DOMAIN_USER"USER") == 0) |
| 79 | return TRUE(!(0)); |
| 80 | |
| 81 | if (!domains_hash) |
| 82 | return FALSE(0); |
| 83 | |
| 84 | return (g_hash_table_lookup (domains_hash, domain) != NULL((void*)0)); |
| 85 | } |
| 86 | |
| 87 | static void |
| 88 | ensure_ring (void) |
| 89 | { |
| 90 | if (ring_buffer) |
| 91 | return; |
| 92 | |
| 93 | ring_buffer = g_new0 (char *, ring_buffer_max_lines)((char * *) g_malloc0_n ((ring_buffer_max_lines), sizeof (char *))); |
| 94 | ring_buffer_next_index = 0; |
| 95 | ring_buffer_num_lines = 0; |
| 96 | } |
| 97 | |
| 98 | static void |
| 99 | add_to_ring (char *str) |
| 100 | { |
| 101 | ensure_ring (); |
| 102 | |
| 103 | g_assert (str != NULL)do { if (str != ((void*)0)) ; else g_assertion_message_expr ( ((gchar*) 0), "baul-debug-log.c", 103, ((const char*) (__func__ )), "str != NULL"); } while (0); |
| 104 | |
| 105 | if (ring_buffer_num_lines == ring_buffer_max_lines) |
| 106 | { |
| 107 | /* We have an overlap, and the ring_buffer_next_index points to |
| 108 | * the "first" item. Free it to make room for the new item. |
| 109 | */ |
| 110 | |
| 111 | g_assert (ring_buffer[ring_buffer_next_index] != NULL)do { if (ring_buffer[ring_buffer_next_index] != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c" , 111, ((const char*) (__func__)), "ring_buffer[ring_buffer_next_index] != NULL" ); } while (0); |
| 112 | g_free (ring_buffer[ring_buffer_next_index]); |
| 113 | } |
| 114 | else |
| 115 | ring_buffer_num_lines++; |
| 116 | |
| 117 | g_assert (ring_buffer_num_lines <= ring_buffer_max_lines)do { if (ring_buffer_num_lines <= ring_buffer_max_lines) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c" , 117, ((const char*) (__func__)), "ring_buffer_num_lines <= ring_buffer_max_lines" ); } while (0); |
| 118 | |
| 119 | ring_buffer[ring_buffer_next_index] = str; |
| 120 | |
| 121 | ring_buffer_next_index++; |
| 122 | if (ring_buffer_next_index == ring_buffer_max_lines) |
| 123 | { |
| 124 | ring_buffer_next_index = 0; |
| 125 | g_assert (ring_buffer_num_lines == ring_buffer_max_lines)do { if (ring_buffer_num_lines == ring_buffer_max_lines) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 125 , ((const char*) (__func__)), "ring_buffer_num_lines == ring_buffer_max_lines" ); } while (0); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | static void |
| 130 | add_to_milestones (const char *str) |
| 131 | { |
| 132 | char *str_copy; |
| 133 | |
| 134 | str_copy = g_strdup (str)g_strdup_inline (str); |
| 135 | |
| 136 | if (milestones_tail) |
| 137 | { |
| 138 | milestones_tail = g_slist_append (milestones_tail, str_copy); |
| 139 | milestones_tail = milestones_tail->next; |
| 140 | } |
| 141 | else |
| 142 | { |
| 143 | milestones_head = milestones_tail = g_slist_append (NULL((void*)0), str_copy); |
| 144 | } |
| 145 | |
| 146 | g_assert (milestones_head != NULL && milestones_tail != NULL)do { if (milestones_head != ((void*)0) && milestones_tail != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0) , "baul-debug-log.c", 146, ((const char*) (__func__)), "milestones_head != NULL && milestones_tail != NULL" ); } while (0); |
| 147 | } |
| 148 | |
| 149 | void |
| 150 | baul_debug_logv (gboolean is_milestone, const char *domain, const GList *uris, const char *format, va_list args) |
| 151 | { |
| 152 | char *str; |
| 153 | char *debug_str; |
| 154 | struct timeval tv; |
| 155 | struct tm tm; |
| 156 | |
| 157 | lock (); |
| 158 | |
| 159 | if (!(is_milestone || is_domain_enabled (domain))) |
| 160 | goto out; |
| 161 | |
| 162 | str = g_strdup_vprintf (format, args); |
| 163 | gettimeofday (&tv, NULL((void*)0)); |
| 164 | |
| 165 | tm = *localtime (&tv.tv_sec); |
| 166 | |
| 167 | debug_str = g_strdup_printf ("%p %04d/%02d/%02d %02d:%02d:%02d.%04d (%s): %s", |
| 168 | g_thread_self (), |
| 169 | tm.tm_year + 1900, |
| 170 | tm.tm_mon + 1, |
| 171 | tm.tm_mday, |
| 172 | tm.tm_hour, |
| 173 | tm.tm_min, |
| 174 | tm.tm_sec, |
| 175 | (int) (tv.tv_usec / 100), |
| 176 | domain, |
| 177 | str); |
| 178 | g_free (str); |
| 179 | |
| 180 | if (uris) |
| 181 | { |
| 182 | int debug_str_len; |
| 183 | int uris_len; |
| 184 | const GList *l; |
| 185 | char *new_str; |
| 186 | char *p; |
| 187 | int count; |
| 188 | |
| 189 | uris_len = 0; |
| 190 | |
| 191 | count = 0; |
| 192 | for (l = uris; l; l = l->next) |
| 193 | { |
| 194 | const char *uri; |
| 195 | |
| 196 | uri = l->data; |
| 197 | uris_len += strlen (uri) + 2; /* plus 2 for a tab and the newline */ |
| 198 | |
| 199 | if (count++ > MAX_URI_COUNT20) |
| 200 | { |
| 201 | uris_len += 4; /* "...\n" */ |
| 202 | break; |
| 203 | } |
| 204 | |
| 205 | } |
| 206 | |
| 207 | debug_str_len = strlen (debug_str); |
| 208 | new_str = g_new (char, debug_str_len + 1 + uris_len + 1)((char *) g_malloc_n ((debug_str_len + 1 + uris_len + 1), sizeof (char))); /* plus 1 for newline & zero */ |
| 209 | |
| 210 | p = g_stpcpy (new_str, debug_str); |
| 211 | *p++ = '\n'; |
| 212 | |
| 213 | count = 0; |
| 214 | for (l = uris; l; l = l->next) |
| 215 | { |
| 216 | const char *uri; |
| 217 | |
| 218 | uri = l->data; |
| 219 | |
| 220 | *p++ = '\t'; |
| 221 | |
| 222 | p = g_stpcpy (p, uri); |
| 223 | |
| 224 | if (l->next) |
| 225 | *p++ = '\n'; |
| 226 | |
| 227 | if (count++ > MAX_URI_COUNT20) |
| 228 | { |
| 229 | p = g_stpcpy (p, "...\n"); |
Value stored to 'p' is never read | |
| 230 | break; |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | g_free (debug_str); |
| 235 | debug_str = new_str; |
| 236 | } |
| 237 | |
| 238 | add_to_ring (debug_str); |
| 239 | if (is_milestone) |
| 240 | add_to_milestones (debug_str); |
| 241 | |
| 242 | out: |
| 243 | unlock (); |
| 244 | } |
| 245 | |
| 246 | void |
| 247 | baul_debug_log_with_uri_list (gboolean is_milestone, const char *domain, const GList *uris, |
| 248 | const char *format, ...) |
| 249 | { |
| 250 | va_list args; |
| 251 | |
| 252 | va_start (args, format)__builtin_va_start(args, format); |
| 253 | baul_debug_logv (is_milestone, domain, uris, format, args); |
| 254 | va_end (args)__builtin_va_end(args); |
| 255 | } |
| 256 | |
| 257 | void |
| 258 | baul_debug_log_with_file_list (gboolean is_milestone, const char *domain, GList *files, |
| 259 | const char *format, ...) |
| 260 | { |
| 261 | va_list args; |
| 262 | GList *uris; |
| 263 | GList *l; |
| 264 | int count; |
| 265 | |
| 266 | /* Avoid conversion if debugging disabled */ |
| 267 | if (!(is_milestone || |
| 268 | baul_debug_log_is_domain_enabled (domain))) |
| 269 | { |
| 270 | return; |
| 271 | } |
| 272 | |
| 273 | uris = NULL((void*)0); |
| 274 | |
| 275 | count = 0; |
| 276 | for (l = files; l; l = l->next) |
| 277 | { |
| 278 | BaulFile *file; |
| 279 | char *uri; |
| 280 | |
| 281 | file = BAUL_FILE (l->data)((((BaulFile*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((l->data)), (baul_file_get_type()))))); |
| 282 | uri = baul_file_get_uri (file); |
| 283 | |
| 284 | if (baul_file_is_gone (file)) |
| 285 | { |
| 286 | char *new_uri; |
| 287 | |
| 288 | /* Hack: this will create an invalid URI, but it's for |
| 289 | * display purposes only. |
| 290 | */ |
| 291 | new_uri = g_strconcat (uri ? uri : "", " (gone)", NULL((void*)0)); |
| 292 | g_free (uri); |
| 293 | uri = new_uri; |
| 294 | } |
| 295 | uris = g_list_prepend (uris, uri); |
| 296 | |
| 297 | /* Avoid doing to much work, more than MAX_URI_COUNT uris |
| 298 | won't be shown anyway */ |
| 299 | if (count++ > MAX_URI_COUNT20 + 1) |
| 300 | { |
| 301 | break; |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | uris = g_list_reverse (uris); |
| 306 | |
| 307 | va_start (args, format)__builtin_va_start(args, format); |
| 308 | baul_debug_logv (is_milestone, domain, uris, format, args); |
| 309 | va_end (args)__builtin_va_end(args); |
| 310 | |
| 311 | g_list_free_full (uris, g_free); |
| 312 | } |
| 313 | |
| 314 | gboolean |
| 315 | baul_debug_log_load_configuration (const char *filename, GError **error) |
| 316 | { |
| 317 | GKeyFile *key_file; |
| 318 | char **strings; |
| 319 | gsize num_strings; |
| 320 | int num; |
| 321 | GError *my_error; |
| 322 | |
| 323 | g_assert (filename != NULL)do { if (filename != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 323, ((const char*) (__func__ )), "filename != NULL"); } while (0); |
| 324 | g_assert (error == NULL || *error == NULL)do { if (error == ((void*)0) || *error == ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 324, ((const char*) (__func__ )), "error == NULL || *error == NULL"); } while (0); |
| 325 | |
| 326 | key_file = g_key_file_new (); |
| 327 | |
| 328 | if (!g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, error)) |
| 329 | { |
| 330 | g_key_file_free (key_file); |
| 331 | return FALSE(0); |
| 332 | } |
| 333 | |
| 334 | /* Domains */ |
| 335 | |
| 336 | my_error = NULL((void*)0); |
| 337 | strings = g_key_file_get_string_list (key_file, KEY_FILE_GROUP"debug log", KEY_FILE_DOMAINS_KEY"enable domains", &num_strings, &my_error); |
| 338 | if (my_error) |
| 339 | g_error_free (my_error); |
| 340 | else |
| 341 | { |
| 342 | int i; |
| 343 | |
| 344 | for (i = 0; i < num_strings; i++) |
| 345 | strings[i] = g_strstrip (strings[i])g_strchomp (g_strchug (strings[i])); |
| 346 | |
| 347 | baul_debug_log_enable_domains ((const char **) strings, num_strings); |
| 348 | g_strfreev (strings); |
| 349 | } |
| 350 | |
| 351 | /* Number of lines */ |
| 352 | |
| 353 | my_error = NULL((void*)0); |
| 354 | num = g_key_file_get_integer (key_file, KEY_FILE_GROUP"debug log", KEY_FILE_MAX_LINES_KEY"max lines", &my_error); |
| 355 | if (my_error) |
| 356 | g_error_free (my_error); |
| 357 | else |
| 358 | baul_debug_log_set_max_lines (num); |
| 359 | |
| 360 | g_key_file_free (key_file); |
| 361 | return TRUE(!(0)); |
| 362 | } |
| 363 | |
| 364 | void |
| 365 | baul_debug_log_enable_domains (const char **domains, int n_domains) |
| 366 | { |
| 367 | int i; |
| 368 | |
| 369 | g_assert (domains != NULL)do { if (domains != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 369, ((const char*) (__func__ )), "domains != NULL"); } while (0); |
| 370 | g_assert (n_domains >= 0)do { if (n_domains >= 0) ; else g_assertion_message_expr ( ((gchar*) 0), "baul-debug-log.c", 370, ((const char*) (__func__ )), "n_domains >= 0"); } while (0); |
| 371 | |
| 372 | lock (); |
| 373 | |
| 374 | if (!domains_hash) |
| 375 | domains_hash = g_hash_table_new (g_str_hash, g_str_equal); |
| 376 | |
| 377 | for (i = 0; i < n_domains; i++) |
| 378 | { |
| 379 | g_assert (domains[i] != NULL)do { if (domains[i] != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 379, ((const char*) (__func__ )), "domains[i] != NULL"); } while (0); |
| 380 | |
| 381 | if (strcmp (domains[i], BAUL_DEBUG_LOG_DOMAIN_USER"USER") == 0) |
| 382 | continue; /* user actions are always enabled */ |
| 383 | |
| 384 | if (g_hash_table_lookup (domains_hash, domains[i]) == NULL((void*)0)) |
| 385 | { |
| 386 | char *domain; |
| 387 | |
| 388 | domain = g_strdup (domains[i])g_strdup_inline (domains[i]); |
| 389 | g_hash_table_insert (domains_hash, domain, domain); |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | unlock (); |
| 394 | } |
| 395 | |
| 396 | void |
| 397 | baul_debug_log_disable_domains (const char **domains, int n_domains) |
| 398 | { |
| 399 | g_assert (domains != NULL)do { if (domains != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 399, ((const char*) (__func__ )), "domains != NULL"); } while (0); |
| 400 | g_assert (n_domains >= 0)do { if (n_domains >= 0) ; else g_assertion_message_expr ( ((gchar*) 0), "baul-debug-log.c", 400, ((const char*) (__func__ )), "n_domains >= 0"); } while (0); |
| 401 | |
| 402 | lock (); |
| 403 | |
| 404 | if (domains_hash) |
| 405 | { |
| 406 | int i; |
| 407 | |
| 408 | for (i = 0; i < n_domains; i++) |
| 409 | { |
| 410 | char *domain; |
| 411 | |
| 412 | g_assert (domains[i] != NULL)do { if (domains[i] != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 412, ((const char*) (__func__ )), "domains[i] != NULL"); } while (0); |
| 413 | |
| 414 | if (strcmp (domains[i], BAUL_DEBUG_LOG_DOMAIN_USER"USER") == 0) |
| 415 | continue; /* user actions are always enabled */ |
| 416 | |
| 417 | domain = g_hash_table_lookup (domains_hash, domains[i]); |
| 418 | if (domain) |
| 419 | { |
| 420 | g_hash_table_remove (domains_hash, domain); |
| 421 | g_free (domain); |
| 422 | } |
| 423 | } |
| 424 | } /* else, there is nothing to disable */ |
| 425 | |
| 426 | unlock (); |
| 427 | } |
| 428 | |
| 429 | gboolean |
| 430 | baul_debug_log_is_domain_enabled (const char *domain) |
| 431 | { |
| 432 | gboolean retval; |
| 433 | |
| 434 | g_assert (domain != NULL)do { if (domain != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 434, ((const char*) (__func__ )), "domain != NULL"); } while (0); |
| 435 | |
| 436 | lock (); |
| 437 | retval = is_domain_enabled (domain); |
| 438 | unlock (); |
| 439 | |
| 440 | return retval; |
| 441 | } |
| 442 | |
| 443 | struct domains_dump_closure |
| 444 | { |
| 445 | char **domains; |
| 446 | int num_domains; |
| 447 | }; |
| 448 | |
| 449 | static void |
| 450 | domains_foreach_dump_cb (gpointer key, gpointer value, gpointer data) |
| 451 | { |
| 452 | struct domains_dump_closure *closure; |
| 453 | char *domain; |
| 454 | |
| 455 | closure = data; |
| 456 | domain = key; |
| 457 | |
| 458 | closure->domains[closure->num_domains] = domain; |
| 459 | closure->num_domains++; |
| 460 | } |
| 461 | |
| 462 | static GKeyFile * |
| 463 | make_key_file_from_configuration (void) |
| 464 | { |
| 465 | GKeyFile *key_file; |
| 466 | struct domains_dump_closure closure; |
| 467 | |
| 468 | key_file = g_key_file_new (); |
| 469 | |
| 470 | /* domains */ |
| 471 | |
| 472 | if (domains_hash) |
| 473 | { |
| 474 | int num_domains; |
| 475 | |
| 476 | num_domains = g_hash_table_size (domains_hash); |
| 477 | if (num_domains != 0) |
| 478 | { |
| 479 | closure.domains = g_new (char *, num_domains)((char * *) g_malloc_n ((num_domains), sizeof (char *))); |
| 480 | closure.num_domains = 0; |
| 481 | |
| 482 | g_hash_table_foreach (domains_hash, domains_foreach_dump_cb, &closure); |
| 483 | g_assert (num_domains == closure.num_domains)do { if (num_domains == closure.num_domains) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 483, ((const char*) (__func__ )), "num_domains == closure.num_domains"); } while (0); |
| 484 | |
| 485 | g_key_file_set_string_list (key_file, KEY_FILE_GROUP"debug log", KEY_FILE_DOMAINS_KEY"enable domains", |
| 486 | (const gchar * const *) closure.domains, closure.num_domains); |
| 487 | g_free (closure.domains); |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | /* max lines */ |
| 492 | |
| 493 | g_key_file_set_integer (key_file, KEY_FILE_GROUP"debug log", KEY_FILE_MAX_LINES_KEY"max lines", ring_buffer_max_lines); |
| 494 | |
| 495 | return key_file; |
| 496 | } |
| 497 | |
| 498 | static gboolean |
| 499 | write_string (const char *filename, FILE *file, const char *str, GError **error) |
| 500 | { |
| 501 | if (fputs (str, file) == EOF(-1)) |
| 502 | { |
| 503 | int saved_errno; |
| 504 | |
| 505 | saved_errno = errno(*__errno_location ()); |
| 506 | g_set_error (error, |
| 507 | G_FILE_ERRORg_file_error_quark (), |
| 508 | g_file_error_from_errno (saved_errno), |
| 509 | "error when writing to log file %s", filename); |
| 510 | |
| 511 | return FALSE(0); |
| 512 | } |
| 513 | |
| 514 | return TRUE(!(0)); |
| 515 | } |
| 516 | |
| 517 | static gboolean |
| 518 | dump_configuration (const char *filename, FILE *file, GError **error) |
| 519 | { |
| 520 | GKeyFile *key_file; |
| 521 | char *data; |
| 522 | gsize length; |
| 523 | gboolean success; |
| 524 | |
| 525 | if (!write_string (filename, file, |
| 526 | "\n\n" |
| 527 | "This configuration for the debug log can be re-created\n" |
| 528 | "by putting the following in ~/baul-debug-log.conf\n" |
| 529 | "(use ';' to separate domain names):\n\n", |
| 530 | error)) |
| 531 | { |
| 532 | return FALSE(0); |
| 533 | } |
| 534 | |
| 535 | success = FALSE(0); |
| 536 | |
| 537 | key_file = make_key_file_from_configuration (); |
| 538 | |
| 539 | data = g_key_file_to_data (key_file, &length, error); |
| 540 | if (!data) |
| 541 | goto out; |
| 542 | |
| 543 | if (!write_string (filename, file, data, error)) |
| 544 | { |
| 545 | goto out; |
| 546 | } |
| 547 | |
| 548 | success = TRUE(!(0)); |
| 549 | out: |
| 550 | g_key_file_free (key_file); |
| 551 | return success; |
| 552 | } |
| 553 | |
| 554 | static gboolean |
| 555 | dump_milestones (const char *filename, FILE *file, GError **error) |
| 556 | { |
| 557 | GSList *l; |
| 558 | |
| 559 | if (!write_string (filename, file, "===== BEGIN MILESTONES =====\n", error)) |
| 560 | return FALSE(0); |
| 561 | |
| 562 | for (l = milestones_head; l; l = l->next) |
| 563 | { |
| 564 | const char *str; |
| 565 | |
| 566 | str = l->data; |
| 567 | if (!(write_string (filename, file, str, error) |
| 568 | && write_string (filename, file, "\n", error))) |
| 569 | return FALSE(0); |
| 570 | } |
| 571 | |
| 572 | if (!write_string (filename, file, "===== END MILESTONES =====\n", error)) |
| 573 | return FALSE(0); |
| 574 | |
| 575 | return TRUE(!(0)); |
| 576 | } |
| 577 | |
| 578 | static gboolean |
| 579 | dump_ring_buffer (const char *filename, FILE *file, GError **error) |
| 580 | { |
| 581 | int start_index; |
| 582 | int i; |
| 583 | |
| 584 | if (!write_string (filename, file, "===== BEGIN RING BUFFER =====\n", error)) |
| 585 | return FALSE(0); |
| 586 | |
| 587 | if (ring_buffer_num_lines == ring_buffer_max_lines) |
| 588 | start_index = ring_buffer_next_index; |
| 589 | else |
| 590 | start_index = 0; |
| 591 | |
| 592 | for (i = 0; i < ring_buffer_num_lines; i++) |
| 593 | { |
| 594 | int idx; |
| 595 | |
| 596 | idx = (start_index + i) % ring_buffer_max_lines; |
| 597 | |
| 598 | if (!(write_string (filename, file, ring_buffer[idx], error) |
| 599 | && write_string (filename, file, "\n", error))) |
| 600 | { |
| 601 | return FALSE(0); |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | if (!write_string (filename, file, "===== END RING BUFFER =====\n", error)) |
| 606 | return FALSE(0); |
| 607 | |
| 608 | return TRUE(!(0)); |
| 609 | } |
| 610 | |
| 611 | gboolean |
| 612 | baul_debug_log_dump (const char *filename, GError **error) |
| 613 | { |
| 614 | FILE *file; |
| 615 | gboolean success; |
| 616 | |
| 617 | g_assert (error == NULL || *error == NULL)do { if (error == ((void*)0) || *error == ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c", 617, ((const char*) (__func__ )), "error == NULL || *error == NULL"); } while (0); |
| 618 | |
| 619 | lock (); |
| 620 | |
| 621 | success = FALSE(0); |
| 622 | |
| 623 | file = fopen (filename, "w"); |
| 624 | if (!file) |
| 625 | { |
| 626 | int saved_errno; |
| 627 | |
| 628 | saved_errno = errno(*__errno_location ()); |
| 629 | g_set_error (error, |
| 630 | G_FILE_ERRORg_file_error_quark (), |
| 631 | g_file_error_from_errno (saved_errno), |
| 632 | "could not open log file %s", filename); |
| 633 | goto out; |
| 634 | } |
| 635 | |
| 636 | if (!(dump_milestones (filename, file, error) |
| 637 | && dump_ring_buffer (filename, file, error) |
| 638 | && dump_configuration (filename, file, error))) |
| 639 | { |
| 640 | goto do_close; |
| 641 | } |
| 642 | |
| 643 | success = TRUE(!(0)); |
| 644 | |
| 645 | do_close: |
| 646 | |
| 647 | if (fclose (file) != 0) |
| 648 | { |
| 649 | int saved_errno; |
| 650 | |
| 651 | saved_errno = errno(*__errno_location ()); |
| 652 | |
| 653 | if (error && *error) |
| 654 | { |
| 655 | g_error_free (*error); |
| 656 | *error = NULL((void*)0); |
| 657 | } |
| 658 | |
| 659 | g_set_error (error, |
| 660 | G_FILE_ERRORg_file_error_quark (), |
| 661 | g_file_error_from_errno (saved_errno), |
| 662 | "error when closing log file %s", filename); |
| 663 | success = FALSE(0); |
| 664 | } |
| 665 | |
| 666 | out: |
| 667 | |
| 668 | unlock (); |
| 669 | return success; |
| 670 | } |
| 671 | |
| 672 | void |
| 673 | baul_debug_log_set_max_lines (int num_lines) |
| 674 | { |
| 675 | char **new_buffer; |
| 676 | int lines_to_copy; |
| 677 | |
| 678 | g_assert (num_lines > 0)do { if (num_lines > 0) ; else g_assertion_message_expr (( (gchar*) 0), "baul-debug-log.c", 678, ((const char*) (__func__ )), "num_lines > 0"); } while (0); |
| 679 | |
| 680 | lock (); |
| 681 | |
| 682 | if (num_lines == ring_buffer_max_lines) |
| 683 | goto out; |
| 684 | |
| 685 | new_buffer = g_new0 (char *, num_lines)((char * *) g_malloc0_n ((num_lines), sizeof (char *))); |
| 686 | |
| 687 | lines_to_copy = MIN (num_lines, ring_buffer_num_lines)(((num_lines) < (ring_buffer_num_lines)) ? (num_lines) : ( ring_buffer_num_lines)); |
| 688 | |
| 689 | if (ring_buffer) |
| 690 | { |
| 691 | int start_index; |
| 692 | int i; |
| 693 | |
| 694 | if (ring_buffer_num_lines == ring_buffer_max_lines) |
| 695 | start_index = (ring_buffer_next_index + ring_buffer_max_lines - lines_to_copy) % ring_buffer_max_lines; |
| 696 | else |
| 697 | start_index = ring_buffer_num_lines - lines_to_copy; |
| 698 | |
| 699 | g_assert (start_index >= 0 && start_index < ring_buffer_max_lines)do { if (start_index >= 0 && start_index < ring_buffer_max_lines ) ; else g_assertion_message_expr (((gchar*) 0), "baul-debug-log.c" , 699, ((const char*) (__func__)), "start_index >= 0 && start_index < ring_buffer_max_lines" ); } while (0); |
| 700 | |
| 701 | for (i = 0; i < lines_to_copy; i++) |
| 702 | { |
| 703 | int idx; |
| 704 | |
| 705 | idx = (start_index + i) % ring_buffer_max_lines; |
| 706 | |
| 707 | new_buffer[i] = ring_buffer[idx]; |
| 708 | ring_buffer[idx] = NULL((void*)0); |
| 709 | } |
| 710 | |
| 711 | for (i = 0; i < ring_buffer_max_lines; i++) |
| 712 | g_free (ring_buffer[i]); |
| 713 | |
| 714 | g_free (ring_buffer); |
| 715 | } |
| 716 | |
| 717 | ring_buffer = new_buffer; |
| 718 | ring_buffer_next_index = lines_to_copy; |
| 719 | ring_buffer_num_lines = lines_to_copy; |
| 720 | ring_buffer_max_lines = num_lines; |
| 721 | |
| 722 | out: |
| 723 | |
| 724 | unlock (); |
| 725 | } |
| 726 | |
| 727 | int |
| 728 | baul_debug_log_get_max_lines (void) |
| 729 | { |
| 730 | int retval; |
| 731 | |
| 732 | lock (); |
| 733 | retval = ring_buffer_max_lines; |
| 734 | unlock (); |
| 735 | |
| 736 | return retval; |
| 737 | } |
| 738 | |
| 739 | void |
| 740 | baul_debug_log_clear (void) |
| 741 | { |
| 742 | int i; |
| 743 | |
| 744 | lock (); |
| 745 | |
| 746 | if (!ring_buffer) |
| 747 | goto out; |
| 748 | |
| 749 | for (i = 0; i < ring_buffer_max_lines; i++) |
| 750 | { |
| 751 | g_free (ring_buffer[i]); |
| 752 | ring_buffer[i] = NULL((void*)0); |
| 753 | } |
| 754 | |
| 755 | ring_buffer_next_index = 0; |
| 756 | ring_buffer_num_lines = 0; |
| 757 | |
| 758 | out: |
| 759 | unlock (); |
| 760 | } |