| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright (c) 2019 Philippe Proulx <pproulx@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #define BT_LOG_TAG "LIB/ERROR" |
| 8 | #include "lib/logging.h" |
| 9 | |
| 10 | #include <stdlib.h> |
| 11 | #include <stdint.h> |
| 12 | #include <babeltrace2/babeltrace.h> |
| 13 | |
| 14 | #include "error.h" |
| 15 | #include "graph/message/iterator.h" |
| 16 | #include "graph/component.h" |
| 17 | #include "graph/component-class.h" |
| 18 | #include "common/assert.h" |
| 19 | #include "lib/assert-cond.h" |
| 20 | #include "lib/func-status.h" |
| 21 | |
| 22 | #define BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(_cause, _exp_type_name, _exp_type) \ |
| 23 | BT_ASSERT_PRE("error-cause-has-" _exp_type_name "-actor", \ |
| 24 | ((const struct bt_error_cause *) (_cause))->actor_type == _exp_type, \ |
| 25 | "Unexpected error cause's actor type: type=%s, exp-type=%s", \ |
| 26 | bt_error_cause_actor_type_string(((const struct bt_error_cause *) (_cause))->actor_type), \ |
| 27 | bt_error_cause_actor_type_string(_exp_type)) |
| 28 | |
| 29 | static |
| 30 | void fini_component_class_id( |
| 31 | struct bt_error_cause_component_class_id *comp_class_id) |
| 32 | { |
| 33 | BT_ASSERT(comp_class_id); |
| 34 | |
| 35 | if (comp_class_id->name) { |
| 36 | g_string_free(comp_class_id->name, TRUE); |
| 37 | comp_class_id->name = NULL; |
| 38 | } |
| 39 | |
| 40 | if (comp_class_id->plugin_name) { |
| 41 | g_string_free(comp_class_id->plugin_name, TRUE); |
| 42 | comp_class_id->plugin_name = NULL; |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | static |
| 47 | void fini_error_cause(struct bt_error_cause *cause) |
| 48 | { |
| 49 | BT_ASSERT(cause); |
| 50 | BT_LIB_LOGD("Finalizing error cause: %!+r", cause); |
| 51 | |
| 52 | if (cause->module_name) { |
| 53 | g_string_free(cause->module_name, TRUE); |
| 54 | cause->module_name = NULL; |
| 55 | } |
| 56 | |
| 57 | if (cause->file_name) { |
| 58 | g_string_free(cause->file_name, TRUE); |
| 59 | cause->file_name = NULL; |
| 60 | } |
| 61 | |
| 62 | if (cause->message) { |
| 63 | g_string_free(cause->message, TRUE); |
| 64 | cause->message = NULL; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | static |
| 69 | void destroy_error_cause(struct bt_error_cause *cause) |
| 70 | { |
| 71 | if (!cause) { |
| 72 | goto end; |
| 73 | } |
| 74 | |
| 75 | BT_LIB_LOGD("Destroying error cause: %!+r", cause); |
| 76 | |
| 77 | switch (cause->actor_type) { |
| 78 | case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT: |
| 79 | { |
| 80 | struct bt_error_cause_component_actor *spec_cause = |
| 81 | (void *) cause; |
| 82 | |
| 83 | if (spec_cause->comp_name) { |
| 84 | g_string_free(spec_cause->comp_name, TRUE); |
| 85 | spec_cause->comp_name = NULL; |
| 86 | } |
| 87 | |
| 88 | fini_component_class_id(&spec_cause->comp_class_id); |
| 89 | break; |
| 90 | } |
| 91 | case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS: |
| 92 | { |
| 93 | struct bt_error_cause_component_class_actor *spec_cause = |
| 94 | (void *) cause; |
| 95 | |
| 96 | fini_component_class_id(&spec_cause->comp_class_id); |
| 97 | break; |
| 98 | } |
| 99 | case BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR: |
| 100 | { |
| 101 | struct bt_error_cause_message_iterator_actor *spec_cause = |
| 102 | (void *) cause; |
| 103 | |
| 104 | if (spec_cause->comp_name) { |
| 105 | g_string_free(spec_cause->comp_name, TRUE); |
| 106 | spec_cause->comp_name = NULL; |
| 107 | } |
| 108 | |
| 109 | if (spec_cause->output_port_name) { |
| 110 | g_string_free(spec_cause->output_port_name, TRUE); |
| 111 | spec_cause->output_port_name = NULL; |
| 112 | } |
| 113 | |
| 114 | fini_component_class_id(&spec_cause->comp_class_id); |
| 115 | break; |
| 116 | } |
| 117 | default: |
| 118 | break; |
| 119 | } |
| 120 | |
| 121 | fini_error_cause(cause); |
| 122 | g_free(cause); |
| 123 | |
| 124 | end: |
| 125 | return; |
| 126 | } |
| 127 | |
| 128 | static |
| 129 | int init_error_cause(struct bt_error_cause *cause, |
| 130 | enum bt_error_cause_actor_type actor_type) |
| 131 | { |
| 132 | int ret = 0; |
| 133 | |
| 134 | BT_ASSERT(cause); |
| 135 | BT_LIB_LOGD("Initializing error cause: %!+r", cause); |
| 136 | cause->actor_type = actor_type; |
| 137 | cause->module_name = g_string_new(NULL); |
| 138 | if (!cause->module_name) { |
| 139 | BT_LOGE_STR("Failed to allocate one GString."); |
| 140 | ret = -1; |
| 141 | goto end; |
| 142 | } |
| 143 | |
| 144 | cause->message = g_string_new(NULL); |
| 145 | if (!cause->message) { |
| 146 | BT_LOGE_STR("Failed to allocate one GString."); |
| 147 | ret = -1; |
| 148 | goto end; |
| 149 | } |
| 150 | |
| 151 | cause->file_name = g_string_new(NULL); |
| 152 | if (!cause->file_name) { |
| 153 | BT_LOGE_STR("Failed to allocate one GString."); |
| 154 | ret = -1; |
| 155 | goto end; |
| 156 | } |
| 157 | |
| 158 | end: |
| 159 | return ret; |
| 160 | } |
| 161 | |
| 162 | static |
| 163 | int init_component_class_id( |
| 164 | struct bt_error_cause_component_class_id *comp_class_id, |
| 165 | struct bt_component_class *comp_cls) |
| 166 | { |
| 167 | int ret = 0; |
| 168 | |
| 169 | BT_ASSERT(comp_class_id); |
| 170 | comp_class_id->type = comp_cls->type; |
| 171 | comp_class_id->name = g_string_new(comp_cls->name->str); |
| 172 | if (!comp_class_id->name) { |
| 173 | BT_LOGE_STR("Failed to allocate one GString."); |
| 174 | ret = -1; |
| 175 | goto end; |
| 176 | } |
| 177 | |
| 178 | comp_class_id->plugin_name = g_string_new(comp_cls->plugin_name->str); |
| 179 | if (!comp_class_id->plugin_name) { |
| 180 | BT_LOGE_STR("Failed to allocate one GString."); |
| 181 | ret = -1; |
| 182 | goto end; |
| 183 | } |
| 184 | |
| 185 | end: |
| 186 | return ret; |
| 187 | } |
| 188 | |
| 189 | static |
| 190 | void set_error_cause_props(struct bt_error_cause *cause, |
| 191 | const char *file_name, uint64_t line_no) |
| 192 | { |
| 193 | BT_ASSERT(cause); |
| 194 | g_string_assign(cause->file_name, file_name); |
| 195 | cause->line_no = line_no; |
| 196 | } |
| 197 | |
| 198 | static |
| 199 | struct bt_error_cause *create_error_cause(const char *module_name, |
| 200 | const char *file_name, uint64_t line_no) |
| 201 | { |
| 202 | struct bt_error_cause *cause = g_new0(struct bt_error_cause, 1); |
| 203 | int ret; |
| 204 | |
| 205 | BT_LOGD_STR("Creating error cause (unknown actor)."); |
| 206 | |
| 207 | if (!cause) { |
| 208 | BT_LOGE_STR("Failed to allocate one error cause."); |
| 209 | goto error; |
| 210 | } |
| 211 | |
| 212 | ret = init_error_cause(cause, BT_ERROR_CAUSE_ACTOR_TYPE_UNKNOWN); |
| 213 | if (ret) { |
| 214 | goto error; |
| 215 | } |
| 216 | |
| 217 | g_string_assign(cause->module_name, module_name); |
| 218 | set_error_cause_props(cause, file_name, line_no); |
| 219 | BT_LIB_LOGD("Created error cause: %!+r", cause); |
| 220 | goto end; |
| 221 | |
| 222 | error: |
| 223 | destroy_error_cause(cause); |
| 224 | cause = NULL; |
| 225 | |
| 226 | end: |
| 227 | return cause; |
| 228 | } |
| 229 | |
| 230 | static |
| 231 | void append_component_class_id_str(GString *str, |
| 232 | struct bt_error_cause_component_class_id *comp_class_id) |
| 233 | { |
| 234 | const char *type_str = NULL; |
| 235 | |
| 236 | switch (comp_class_id->type) { |
| 237 | case BT_COMPONENT_CLASS_TYPE_SOURCE: |
| 238 | type_str = "src"; |
| 239 | break; |
| 240 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
| 241 | type_str = "flt"; |
| 242 | break; |
| 243 | case BT_COMPONENT_CLASS_TYPE_SINK: |
| 244 | type_str = "sink"; |
| 245 | break; |
| 246 | default: |
| 247 | bt_common_abort(); |
| 248 | } |
| 249 | |
| 250 | if (comp_class_id->plugin_name->len > 0) { |
| 251 | g_string_append_printf(str, "%s.%s.%s", |
| 252 | type_str, comp_class_id->plugin_name->str, |
| 253 | comp_class_id->name->str); |
| 254 | } else { |
| 255 | g_string_append_printf(str, "%s.%s", |
| 256 | type_str, comp_class_id->name->str); |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | static |
| 261 | struct bt_error_cause_component_actor *create_error_cause_component_actor( |
| 262 | struct bt_component *comp, const char *file_name, |
| 263 | uint64_t line_no) |
| 264 | { |
| 265 | struct bt_error_cause_component_actor *cause = |
| 266 | g_new0(struct bt_error_cause_component_actor, 1); |
| 267 | int ret; |
| 268 | |
| 269 | BT_LOGD_STR("Creating error cause object (component actor)."); |
| 270 | |
| 271 | if (!cause) { |
| 272 | goto error; |
| 273 | } |
| 274 | |
| 275 | ret = init_error_cause(&cause->base, |
| 276 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT); |
| 277 | if (ret) { |
| 278 | goto error; |
| 279 | } |
| 280 | |
| 281 | set_error_cause_props(&cause->base, file_name, line_no); |
| 282 | cause->comp_name = g_string_new(comp->name->str); |
| 283 | if (!cause->comp_name) { |
| 284 | BT_LOGE_STR("Failed to allocate one GString."); |
| 285 | goto error; |
| 286 | } |
| 287 | |
| 288 | ret = init_component_class_id(&cause->comp_class_id, comp->class); |
| 289 | if (ret) { |
| 290 | goto error; |
| 291 | } |
| 292 | |
| 293 | g_string_append_printf(cause->base.module_name, "%s: ", |
| 294 | comp->name->str); |
| 295 | append_component_class_id_str(cause->base.module_name, |
| 296 | &cause->comp_class_id); |
| 297 | BT_LIB_LOGD("Created error cause object: %!+r", cause); |
| 298 | goto end; |
| 299 | |
| 300 | error: |
| 301 | if (cause) { |
| 302 | destroy_error_cause(&cause->base); |
| 303 | cause = NULL; |
| 304 | } |
| 305 | |
| 306 | end: |
| 307 | return cause; |
| 308 | } |
| 309 | |
| 310 | static |
| 311 | struct bt_error_cause_component_class_actor * |
| 312 | create_error_cause_component_class_actor(struct bt_component_class *comp_cls, |
| 313 | const char *file_name, uint64_t line_no) |
| 314 | { |
| 315 | struct bt_error_cause_component_class_actor *cause = |
| 316 | g_new0(struct bt_error_cause_component_class_actor, 1); |
| 317 | int ret; |
| 318 | |
| 319 | BT_LOGD_STR("Creating error cause object (component class actor)."); |
| 320 | |
| 321 | if (!cause) { |
| 322 | BT_LOGE_STR("Failed to allocate one error cause object."); |
| 323 | goto error; |
| 324 | } |
| 325 | |
| 326 | ret = init_error_cause(&cause->base, |
| 327 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS); |
| 328 | if (ret) { |
| 329 | goto error; |
| 330 | } |
| 331 | |
| 332 | set_error_cause_props(&cause->base, file_name, line_no); |
| 333 | ret = init_component_class_id(&cause->comp_class_id, comp_cls); |
| 334 | if (ret) { |
| 335 | goto error; |
| 336 | } |
| 337 | |
| 338 | append_component_class_id_str(cause->base.module_name, |
| 339 | &cause->comp_class_id); |
| 340 | BT_LIB_LOGD("Created error cause object: %!+r", cause); |
| 341 | goto end; |
| 342 | |
| 343 | error: |
| 344 | if (cause) { |
| 345 | destroy_error_cause(&cause->base); |
| 346 | cause = NULL; |
| 347 | } |
| 348 | |
| 349 | end: |
| 350 | return cause; |
| 351 | } |
| 352 | |
| 353 | static |
| 354 | struct bt_error_cause_message_iterator_actor * |
| 355 | create_error_cause_message_iterator_actor(struct bt_message_iterator *iter, |
| 356 | const char *file_name, uint64_t line_no) |
| 357 | { |
| 358 | struct bt_error_cause_message_iterator_actor *cause; |
| 359 | struct bt_message_iterator *input_port_iter; |
| 360 | int ret; |
| 361 | |
| 362 | BT_LOGD_STR("Creating error cause object (message iterator actor)."); |
| 363 | |
| 364 | /* |
| 365 | * This can only be created from within a graph, from a user |
| 366 | * message iterator, which is a self component port input |
| 367 | * message iterator. |
| 368 | */ |
| 369 | input_port_iter = (void *) iter; |
| 370 | cause = g_new0(struct bt_error_cause_message_iterator_actor, 1); |
| 371 | if (!cause) { |
| 372 | BT_LOGE_STR("Failed to allocate one error cause object."); |
| 373 | goto error; |
| 374 | } |
| 375 | |
| 376 | ret = init_error_cause(&cause->base, |
| 377 | BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR); |
| 378 | if (ret) { |
| 379 | goto error; |
| 380 | } |
| 381 | |
| 382 | set_error_cause_props(&cause->base, file_name, line_no); |
| 383 | cause->comp_name = g_string_new( |
| 384 | input_port_iter->upstream_component->name->str); |
| 385 | if (!cause->comp_name) { |
| 386 | BT_LOGE_STR("Failed to allocate one GString."); |
| 387 | goto error; |
| 388 | } |
| 389 | |
| 390 | cause->output_port_name = g_string_new( |
| 391 | input_port_iter->upstream_port->name->str); |
| 392 | if (!cause->output_port_name) { |
| 393 | BT_LOGE_STR("Failed to allocate one GString."); |
| 394 | goto error; |
| 395 | } |
| 396 | |
| 397 | ret = init_component_class_id(&cause->comp_class_id, |
| 398 | input_port_iter->upstream_component->class); |
| 399 | if (ret) { |
| 400 | goto error; |
| 401 | } |
| 402 | |
| 403 | g_string_append_printf(cause->base.module_name, "%s (%s): ", |
| 404 | input_port_iter->upstream_component->name->str, |
| 405 | input_port_iter->upstream_port->name->str); |
| 406 | append_component_class_id_str(cause->base.module_name, |
| 407 | &cause->comp_class_id); |
| 408 | BT_LIB_LOGD("Created error cause object: %!+r", cause); |
| 409 | goto end; |
| 410 | |
| 411 | error: |
| 412 | if (cause) { |
| 413 | destroy_error_cause(&cause->base); |
| 414 | cause = NULL; |
| 415 | } |
| 416 | |
| 417 | end: |
| 418 | return cause; |
| 419 | } |
| 420 | |
| 421 | BT_HIDDEN |
| 422 | struct bt_error *bt_error_create(void) |
| 423 | { |
| 424 | struct bt_error *error; |
| 425 | |
| 426 | BT_LOGD_STR("Creating error object."); |
| 427 | error = g_new0(struct bt_error, 1); |
| 428 | if (!error) { |
| 429 | BT_LOGE_STR("Failed to allocate one error object."); |
| 430 | goto error; |
| 431 | } |
| 432 | |
| 433 | error->causes = g_ptr_array_new_with_free_func( |
| 434 | (GDestroyNotify) destroy_error_cause); |
| 435 | if (!error->causes) { |
| 436 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
| 437 | goto error; |
| 438 | } |
| 439 | |
| 440 | BT_LOGD("Created error object: addr=%p", error); |
| 441 | goto end; |
| 442 | |
| 443 | error: |
| 444 | bt_error_destroy(error); |
| 445 | error = NULL; |
| 446 | |
| 447 | end: |
| 448 | return error; |
| 449 | } |
| 450 | |
| 451 | BT_HIDDEN |
| 452 | void bt_error_destroy(struct bt_error *error) |
| 453 | { |
| 454 | if (!error) { |
| 455 | goto end; |
| 456 | } |
| 457 | |
| 458 | if (error->causes) { |
| 459 | g_ptr_array_free(error->causes, TRUE); |
| 460 | error->causes = NULL; |
| 461 | } |
| 462 | |
| 463 | g_free(error); |
| 464 | |
| 465 | end: |
| 466 | return; |
| 467 | } |
| 468 | |
| 469 | BT_HIDDEN |
| 470 | int bt_error_append_cause_from_unknown(struct bt_error *error, |
| 471 | const char *module_name, const char *file_name, |
| 472 | uint64_t line_no, const char *msg_fmt, va_list args) |
| 473 | { |
| 474 | struct bt_error_cause *cause = NULL; |
| 475 | int status = BT_FUNC_STATUS_OK; |
| 476 | |
| 477 | BT_ASSERT(error); |
| 478 | BT_ASSERT(module_name); |
| 479 | BT_ASSERT(file_name); |
| 480 | BT_ASSERT(msg_fmt); |
| 481 | BT_LOGD("Appending error cause from unknown actor: " |
| 482 | "module-name=\"%s\", func-name=\"%s\", line-no=%" PRIu64, |
| 483 | module_name, file_name, line_no); |
| 484 | cause = create_error_cause(module_name, file_name, line_no); |
| 485 | if (!cause) { |
| 486 | /* create_error_cause() logs errors */ |
| 487 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
| 488 | goto end; |
| 489 | } |
| 490 | |
| 491 | g_string_append_vprintf(cause->message, msg_fmt, args); |
| 492 | g_ptr_array_add(error->causes, cause); |
| 493 | BT_LIB_LOGD("Appended error cause: %!+r", cause); |
| 494 | cause = NULL; |
| 495 | |
| 496 | end: |
| 497 | destroy_error_cause(cause); |
| 498 | return status; |
| 499 | } |
| 500 | |
| 501 | BT_HIDDEN |
| 502 | int bt_error_append_cause_from_component( |
| 503 | struct bt_error *error, bt_self_component *self_comp, |
| 504 | const char *file_name, uint64_t line_no, |
| 505 | const char *msg_fmt, va_list args) |
| 506 | { |
| 507 | struct bt_error_cause_component_actor *cause = NULL; |
| 508 | int status = BT_FUNC_STATUS_OK; |
| 509 | |
| 510 | BT_ASSERT(error); |
| 511 | BT_ASSERT(self_comp); |
| 512 | BT_ASSERT(file_name); |
| 513 | BT_ASSERT(msg_fmt); |
| 514 | BT_LIB_LOGD("Appending error cause from component actor: %![comp-]+c", |
| 515 | self_comp); |
| 516 | cause = create_error_cause_component_actor((void *) self_comp, |
| 517 | file_name, line_no); |
| 518 | if (!cause) { |
| 519 | /* create_error_cause_component_actor() logs errors */ |
| 520 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
| 521 | goto end; |
| 522 | } |
| 523 | |
| 524 | g_string_append_vprintf(cause->base.message, msg_fmt, args); |
| 525 | g_ptr_array_add(error->causes, cause); |
| 526 | BT_LIB_LOGD("Appended error cause: %!+r", cause); |
| 527 | cause = NULL; |
| 528 | |
| 529 | end: |
| 530 | if (cause) { |
| 531 | destroy_error_cause(&cause->base); |
| 532 | } |
| 533 | |
| 534 | return status; |
| 535 | } |
| 536 | |
| 537 | BT_HIDDEN |
| 538 | int bt_error_append_cause_from_component_class( |
| 539 | struct bt_error *error, |
| 540 | bt_self_component_class *self_comp_class, |
| 541 | const char *file_name, uint64_t line_no, |
| 542 | const char *msg_fmt, va_list args) |
| 543 | { |
| 544 | struct bt_error_cause_component_class_actor *cause = NULL; |
| 545 | int status = BT_FUNC_STATUS_OK; |
| 546 | |
| 547 | BT_ASSERT(error); |
| 548 | BT_ASSERT(self_comp_class); |
| 549 | BT_ASSERT(file_name); |
| 550 | BT_ASSERT(msg_fmt); |
| 551 | BT_LIB_LOGD("Appending error cause from component class actor: " |
| 552 | "%![comp-cls-]+C", self_comp_class); |
| 553 | cause = create_error_cause_component_class_actor( |
| 554 | (void *) self_comp_class, file_name, line_no); |
| 555 | if (!cause) { |
| 556 | /* create_error_cause_component_class_actor() logs errors */ |
| 557 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
| 558 | goto end; |
| 559 | } |
| 560 | |
| 561 | g_string_append_vprintf(cause->base.message, msg_fmt, args); |
| 562 | g_ptr_array_add(error->causes, cause); |
| 563 | BT_LIB_LOGD("Appended error cause: %!+r", cause); |
| 564 | cause = NULL; |
| 565 | |
| 566 | end: |
| 567 | if (cause) { |
| 568 | destroy_error_cause(&cause->base); |
| 569 | } |
| 570 | |
| 571 | return status; |
| 572 | } |
| 573 | |
| 574 | BT_HIDDEN |
| 575 | int bt_error_append_cause_from_message_iterator( |
| 576 | struct bt_error *error, bt_self_message_iterator *self_iter, |
| 577 | const char *file_name, uint64_t line_no, |
| 578 | const char *msg_fmt, va_list args) |
| 579 | { |
| 580 | struct bt_error_cause_message_iterator_actor *cause = NULL; |
| 581 | int status = BT_FUNC_STATUS_OK; |
| 582 | |
| 583 | BT_ASSERT(error); |
| 584 | BT_ASSERT(self_iter); |
| 585 | BT_ASSERT(file_name); |
| 586 | BT_ASSERT(msg_fmt); |
| 587 | BT_LIB_LOGD("Appending error cause from message iterator actor: " |
| 588 | "%![comp-]+i", self_iter); |
| 589 | cause = create_error_cause_message_iterator_actor( |
| 590 | (void *) self_iter, file_name, line_no); |
| 591 | if (!cause) { |
| 592 | /* create_error_cause_message_iterator_actor() logs errors */ |
| 593 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
| 594 | goto end; |
| 595 | } |
| 596 | |
| 597 | g_string_append_vprintf(cause->base.message, msg_fmt, args); |
| 598 | g_ptr_array_add(error->causes, cause); |
| 599 | BT_LIB_LOGD("Appended error cause: %!+r", cause); |
| 600 | cause = NULL; |
| 601 | |
| 602 | end: |
| 603 | if (cause) { |
| 604 | destroy_error_cause(&cause->base); |
| 605 | } |
| 606 | |
| 607 | return status; |
| 608 | } |
| 609 | |
| 610 | static |
| 611 | uint64_t error_cause_count(const bt_error *error) |
| 612 | { |
| 613 | return error->causes ? error->causes->len : 0; |
| 614 | } |
| 615 | |
| 616 | uint64_t bt_error_get_cause_count(const bt_error *error) |
| 617 | { |
| 618 | BT_ASSERT_PRE_ERROR_NON_NULL(error); |
| 619 | return error_cause_count(error); |
| 620 | } |
| 621 | |
| 622 | void bt_error_release(const struct bt_error *error) |
| 623 | { |
| 624 | BT_ASSERT_PRE_ERROR_NON_NULL(error); |
| 625 | bt_error_destroy((void *) error); |
| 626 | } |
| 627 | |
| 628 | const struct bt_error_cause *bt_error_borrow_cause_by_index( |
| 629 | const bt_error *error, uint64_t index) |
| 630 | { |
| 631 | BT_ASSERT_PRE_ERROR_NON_NULL(error); |
| 632 | BT_ASSERT_PRE_VALID_INDEX(index, error_cause_count(error)); |
| 633 | return error->causes->pdata[index]; |
| 634 | } |
| 635 | |
| 636 | enum bt_error_cause_actor_type bt_error_cause_get_actor_type( |
| 637 | const struct bt_error_cause *cause) |
| 638 | { |
| 639 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 640 | return cause->actor_type; |
| 641 | } |
| 642 | |
| 643 | const char *bt_error_cause_get_message(const struct bt_error_cause *cause) |
| 644 | { |
| 645 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 646 | return cause->message->str; |
| 647 | } |
| 648 | |
| 649 | const char *bt_error_cause_get_module_name(const struct bt_error_cause *cause) |
| 650 | { |
| 651 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 652 | return cause->module_name->str; |
| 653 | } |
| 654 | |
| 655 | const char *bt_error_cause_get_file_name(const struct bt_error_cause *cause) |
| 656 | { |
| 657 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 658 | return cause->file_name->str; |
| 659 | } |
| 660 | |
| 661 | uint64_t bt_error_cause_get_line_number(const bt_error_cause *cause) |
| 662 | { |
| 663 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 664 | return cause->line_no; |
| 665 | } |
| 666 | |
| 667 | const char *bt_error_cause_component_actor_get_component_name( |
| 668 | const struct bt_error_cause *cause) |
| 669 | { |
| 670 | const struct bt_error_cause_component_actor *spec_cause = |
| 671 | (const void *) cause; |
| 672 | |
| 673 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 674 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "component", |
| 675 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT); |
| 676 | return spec_cause->comp_name->str; |
| 677 | } |
| 678 | |
| 679 | bt_component_class_type bt_error_cause_component_actor_get_component_class_type( |
| 680 | const struct bt_error_cause *cause) |
| 681 | { |
| 682 | const struct bt_error_cause_component_actor *spec_cause = |
| 683 | (const void *) cause; |
| 684 | |
| 685 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 686 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "component", |
| 687 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT); |
| 688 | return spec_cause->comp_class_id.type; |
| 689 | } |
| 690 | |
| 691 | const char *bt_error_cause_component_actor_get_component_class_name( |
| 692 | const struct bt_error_cause *cause) |
| 693 | { |
| 694 | const struct bt_error_cause_component_actor *spec_cause = |
| 695 | (const void *) cause; |
| 696 | |
| 697 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 698 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "component", |
| 699 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT); |
| 700 | return spec_cause->comp_class_id.name->str; |
| 701 | } |
| 702 | |
| 703 | const char *bt_error_cause_component_actor_get_plugin_name( |
| 704 | const struct bt_error_cause *cause) |
| 705 | { |
| 706 | const struct bt_error_cause_component_actor *spec_cause = |
| 707 | (const void *) cause; |
| 708 | |
| 709 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 710 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "component", |
| 711 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT); |
| 712 | return spec_cause->comp_class_id.plugin_name->len > 0 ? |
| 713 | spec_cause->comp_class_id.plugin_name->str : NULL; |
| 714 | } |
| 715 | |
| 716 | bt_component_class_type |
| 717 | bt_error_cause_component_class_actor_get_component_class_type( |
| 718 | const struct bt_error_cause *cause) |
| 719 | { |
| 720 | const struct bt_error_cause_component_class_actor *spec_cause = |
| 721 | (const void *) cause; |
| 722 | |
| 723 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 724 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "component-class", |
| 725 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS); |
| 726 | return spec_cause->comp_class_id.type; |
| 727 | } |
| 728 | |
| 729 | const char *bt_error_cause_component_class_actor_get_component_class_name( |
| 730 | const struct bt_error_cause *cause) |
| 731 | { |
| 732 | const struct bt_error_cause_component_class_actor *spec_cause = |
| 733 | (const void *) cause; |
| 734 | |
| 735 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 736 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "component-class", |
| 737 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS); |
| 738 | return spec_cause->comp_class_id.name->str; |
| 739 | } |
| 740 | |
| 741 | const char *bt_error_cause_component_class_actor_get_plugin_name( |
| 742 | const struct bt_error_cause *cause) |
| 743 | { |
| 744 | const struct bt_error_cause_component_class_actor *spec_cause = |
| 745 | (const void *) cause; |
| 746 | |
| 747 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 748 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "component-class", |
| 749 | BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS); |
| 750 | return spec_cause->comp_class_id.plugin_name->len > 0 ? |
| 751 | spec_cause->comp_class_id.plugin_name->str : NULL; |
| 752 | } |
| 753 | |
| 754 | const char *bt_error_cause_message_iterator_actor_get_component_name( |
| 755 | const struct bt_error_cause *cause) |
| 756 | { |
| 757 | const struct bt_error_cause_message_iterator_actor *spec_cause = |
| 758 | (const void *) cause; |
| 759 | |
| 760 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 761 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "message-iterator", |
| 762 | BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR); |
| 763 | return spec_cause->comp_name->str; |
| 764 | } |
| 765 | |
| 766 | const char * |
| 767 | bt_error_cause_message_iterator_actor_get_component_output_port_name( |
| 768 | const struct bt_error_cause *cause) |
| 769 | { |
| 770 | const struct bt_error_cause_message_iterator_actor *spec_cause = |
| 771 | (const void *) cause; |
| 772 | |
| 773 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 774 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "message-iterator", |
| 775 | BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR); |
| 776 | return spec_cause->output_port_name->str; |
| 777 | } |
| 778 | |
| 779 | bt_component_class_type |
| 780 | bt_error_cause_message_iterator_actor_get_component_class_type( |
| 781 | const struct bt_error_cause *cause) |
| 782 | { |
| 783 | const struct bt_error_cause_message_iterator_actor *spec_cause = |
| 784 | (const void *) cause; |
| 785 | |
| 786 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 787 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "message-iterator", |
| 788 | BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR); |
| 789 | return spec_cause->comp_class_id.type; |
| 790 | } |
| 791 | |
| 792 | const char *bt_error_cause_message_iterator_actor_get_component_class_name( |
| 793 | const struct bt_error_cause *cause) |
| 794 | { |
| 795 | const struct bt_error_cause_message_iterator_actor *spec_cause = |
| 796 | (const void *) cause; |
| 797 | |
| 798 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 799 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "message-iterator", |
| 800 | BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR); |
| 801 | return spec_cause->comp_class_id.name->str; |
| 802 | } |
| 803 | |
| 804 | const char *bt_error_cause_message_iterator_actor_get_plugin_name( |
| 805 | const struct bt_error_cause *cause) |
| 806 | { |
| 807 | const struct bt_error_cause_message_iterator_actor *spec_cause = |
| 808 | (const void *) cause; |
| 809 | |
| 810 | BT_ASSERT_PRE_ERROR_CAUSE_NON_NULL(cause); |
| 811 | BT_ASSERT_PRE_CAUSE_HAS_ACTOR_TYPE(cause, "message-iterator", |
| 812 | BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR); |
| 813 | return spec_cause->comp_class_id.plugin_name->len > 0 ? |
| 814 | spec_cause->comp_class_id.plugin_name->str : NULL; |
| 815 | } |