| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
| 6 | */ |
| 7 | |
| 8 | #define BT_LOG_TAG "CTF-WRITER/STREAM-CLASS" |
| 9 | #include "logging.h" |
| 10 | |
| 11 | #include <inttypes.h> |
| 12 | #include <stdint.h> |
| 13 | |
| 14 | #include <babeltrace2-ctf-writer/event.h> |
| 15 | #include <babeltrace2-ctf-writer/object.h> |
| 16 | #include <babeltrace2-ctf-writer/trace.h> |
| 17 | #include <babeltrace2-ctf-writer/utils.h> |
| 18 | |
| 19 | #include "common/align.h" |
| 20 | #include "common/assert.h" |
| 21 | #include "compat/compiler.h" |
| 22 | #include "compat/endian.h" |
| 23 | |
| 24 | #include "assert-pre.h" |
| 25 | #include "clock-class.h" |
| 26 | #include "event-class.h" |
| 27 | #include "event.h" |
| 28 | #include "fields.h" |
| 29 | #include "field-types.h" |
| 30 | #include "field-wrapper.h" |
| 31 | #include "stream-class.h" |
| 32 | #include "utils.h" |
| 33 | #include "validation.h" |
| 34 | #include "visitor.h" |
| 35 | #include "writer.h" |
| 36 | |
| 37 | int bt_ctf_stream_class_common_initialize(struct bt_ctf_stream_class_common *stream_class, |
| 38 | const char *name, bt_ctf_object_release_func release_func) |
| 39 | { |
| 40 | BT_LOGD("Initializing common stream class object: name=\"%s\"", name); |
| 41 | |
| 42 | bt_ctf_object_init_shared_with_parent(&stream_class->base, release_func); |
| 43 | stream_class->name = g_string_new(name); |
| 44 | stream_class->event_classes = g_ptr_array_new_with_free_func( |
| 45 | (GDestroyNotify) bt_ctf_object_try_spec_release); |
| 46 | if (!stream_class->event_classes) { |
| 47 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
| 48 | goto error; |
| 49 | } |
| 50 | |
| 51 | stream_class->event_classes_ht = g_hash_table_new_full(g_int64_hash, |
| 52 | g_int64_equal, g_free, NULL); |
| 53 | if (!stream_class->event_classes_ht) { |
| 54 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
| 55 | goto error; |
| 56 | } |
| 57 | |
| 58 | BT_LOGD("Initialized common stream class object: addr=%p, name=\"%s\"", |
| 59 | stream_class, name); |
| 60 | return 0; |
| 61 | |
| 62 | error: |
| 63 | return -1; |
| 64 | } |
| 65 | |
| 66 | void bt_ctf_stream_class_common_finalize(struct bt_ctf_stream_class_common *stream_class) |
| 67 | { |
| 68 | BT_LOGD("Finalizing common stream class: addr=%p, name=\"%s\", id=%" PRId64, |
| 69 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), |
| 70 | bt_ctf_stream_class_common_get_id(stream_class)); |
| 71 | bt_ctf_object_put_ref(stream_class->clock_class); |
| 72 | |
| 73 | if (stream_class->event_classes_ht) { |
| 74 | g_hash_table_destroy(stream_class->event_classes_ht); |
| 75 | } |
| 76 | if (stream_class->event_classes) { |
| 77 | BT_LOGD_STR("Destroying event classes."); |
| 78 | g_ptr_array_free(stream_class->event_classes, TRUE); |
| 79 | } |
| 80 | |
| 81 | if (stream_class->name) { |
| 82 | g_string_free(stream_class->name, TRUE); |
| 83 | } |
| 84 | |
| 85 | BT_LOGD_STR("Putting event header field type."); |
| 86 | bt_ctf_object_put_ref(stream_class->event_header_field_type); |
| 87 | BT_LOGD_STR("Putting packet context field type."); |
| 88 | bt_ctf_object_put_ref(stream_class->packet_context_field_type); |
| 89 | BT_LOGD_STR("Putting event context field type."); |
| 90 | bt_ctf_object_put_ref(stream_class->event_context_field_type); |
| 91 | } |
| 92 | |
| 93 | static |
| 94 | void event_class_exists(gpointer element, gpointer query) |
| 95 | { |
| 96 | struct bt_ctf_event_class_common *event_class_a = element; |
| 97 | struct bt_ctf_search_query *search_query = query; |
| 98 | struct bt_ctf_event_class_common *event_class_b = search_query->value; |
| 99 | int64_t id_a, id_b; |
| 100 | |
| 101 | if (search_query->value == element) { |
| 102 | search_query->found = 1; |
| 103 | goto end; |
| 104 | } |
| 105 | |
| 106 | /* |
| 107 | * Two event classes cannot share the same ID in a given |
| 108 | * stream class. |
| 109 | */ |
| 110 | id_a = bt_ctf_event_class_common_get_id(event_class_a); |
| 111 | id_b = bt_ctf_event_class_common_get_id(event_class_b); |
| 112 | |
| 113 | if (id_a < 0 || id_b < 0) { |
| 114 | /* at least one ID is not set: will be automatically set later */ |
| 115 | goto end; |
| 116 | } |
| 117 | |
| 118 | if (id_a == id_b) { |
| 119 | BT_LOGW("Event class with this ID already exists in the stream class: " |
| 120 | "id=%" PRId64 ", name=\"%s\"", |
| 121 | id_a, bt_ctf_event_class_common_get_name(event_class_a)); |
| 122 | search_query->found = 1; |
| 123 | goto end; |
| 124 | } |
| 125 | |
| 126 | end: |
| 127 | return; |
| 128 | } |
| 129 | |
| 130 | int bt_ctf_stream_class_common_add_event_class( |
| 131 | struct bt_ctf_stream_class_common *stream_class, |
| 132 | struct bt_ctf_event_class_common *event_class, |
| 133 | bt_ctf_validation_flag_copy_field_type_func copy_field_type_func) |
| 134 | { |
| 135 | int ret = 0; |
| 136 | int64_t *event_id = NULL; |
| 137 | struct bt_ctf_trace_common *trace = NULL; |
| 138 | struct bt_ctf_stream_class_common *old_stream_class = NULL; |
| 139 | struct bt_ctf_validation_output validation_output = { 0 }; |
| 140 | struct bt_ctf_field_type_common *packet_header_type = NULL; |
| 141 | struct bt_ctf_field_type_common *packet_context_type = NULL; |
| 142 | struct bt_ctf_field_type_common *event_header_type = NULL; |
| 143 | struct bt_ctf_field_type_common *stream_event_ctx_type = NULL; |
| 144 | struct bt_ctf_field_type_common *event_context_type = NULL; |
| 145 | struct bt_ctf_field_type_common *event_payload_type = NULL; |
| 146 | const enum bt_ctf_validation_flag validation_flags = |
| 147 | BT_CTF_VALIDATION_FLAG_EVENT; |
| 148 | struct bt_ctf_clock_class *expected_clock_class = NULL; |
| 149 | struct bt_ctf_search_query query = { .value = event_class, .found = 0 }; |
| 150 | |
| 151 | BT_ASSERT_DBG(copy_field_type_func); |
| 152 | |
| 153 | if (!stream_class || !event_class) { |
| 154 | BT_LOGW("Invalid parameter: stream class or event class is NULL: " |
| 155 | "stream-class-addr=%p, event-class-addr=%p", |
| 156 | stream_class, event_class); |
| 157 | ret = -1; |
| 158 | goto end; |
| 159 | } |
| 160 | |
| 161 | BT_LOGD("Adding event class to stream class: " |
| 162 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
| 163 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " |
| 164 | "event-class-name=\"%s\", event-class-id=%" PRId64, |
| 165 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), |
| 166 | bt_ctf_stream_class_common_get_id(stream_class), |
| 167 | event_class, |
| 168 | bt_ctf_event_class_common_get_name(event_class), |
| 169 | bt_ctf_event_class_common_get_id(event_class)); |
| 170 | trace = bt_ctf_stream_class_common_borrow_trace(stream_class); |
| 171 | |
| 172 | if (stream_class->frozen) { |
| 173 | /* |
| 174 | * We only check that the event class to be added has a |
| 175 | * single class which matches the stream class's |
| 176 | * expected clock class if the stream class is frozen. |
| 177 | * If it's not, then this event class is added "as is" |
| 178 | * and the validation will be performed when calling |
| 179 | * either bt_ctf_trace_add_stream_class() or |
| 180 | * bt_ctf_event_create(). This is because the stream class's |
| 181 | * field types (packet context, event header, event |
| 182 | * context) could change before the next call to one of |
| 183 | * those two functions. |
| 184 | */ |
| 185 | expected_clock_class = bt_ctf_object_get_ref(stream_class->clock_class); |
| 186 | |
| 187 | /* |
| 188 | * At this point, `expected_clock_class` can be NULL, |
| 189 | * and bt_ctf_event_class_validate_single_clock_class() |
| 190 | * below can set it. |
| 191 | */ |
| 192 | ret = bt_ctf_event_class_common_validate_single_clock_class( |
| 193 | event_class, &expected_clock_class); |
| 194 | if (ret) { |
| 195 | BT_LOGW("Event class contains a field type which is not " |
| 196 | "recursively mapped to its stream class's " |
| 197 | "expected clock class: " |
| 198 | "stream-class-addr=%p, " |
| 199 | "stream-class-id=%" PRId64 ", " |
| 200 | "stream-class-name=\"%s\", " |
| 201 | "expected-clock-class-addr=%p, " |
| 202 | "expected-clock-class-name=\"%s\"", |
| 203 | stream_class, |
| 204 | bt_ctf_stream_class_common_get_id(stream_class), |
| 205 | bt_ctf_stream_class_common_get_name(stream_class), |
| 206 | expected_clock_class, |
| 207 | expected_clock_class ? |
| 208 | bt_ctf_clock_class_get_name(expected_clock_class) : |
| 209 | NULL); |
| 210 | goto end; |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | event_id = g_new(int64_t, 1); |
| 215 | if (!event_id) { |
| 216 | BT_LOGE_STR("Failed to allocate one int64_t."); |
| 217 | ret = -1; |
| 218 | goto end; |
| 219 | } |
| 220 | |
| 221 | /* Check for duplicate event classes */ |
| 222 | g_ptr_array_foreach(stream_class->event_classes, event_class_exists, |
| 223 | &query); |
| 224 | if (query.found) { |
| 225 | BT_LOGW_STR("Another event class part of this stream class has the same ID."); |
| 226 | ret = -1; |
| 227 | goto end; |
| 228 | } |
| 229 | |
| 230 | old_stream_class = bt_ctf_event_class_common_borrow_stream_class(event_class); |
| 231 | if (old_stream_class) { |
| 232 | /* Event class is already associated to a stream class. */ |
| 233 | BT_LOGW("Event class is already part of another stream class: " |
| 234 | "event-class-stream-class-addr=%p, " |
| 235 | "event-class-stream-class-name=\"%s\", " |
| 236 | "event-class-stream-class-id=%" PRId64, |
| 237 | old_stream_class, |
| 238 | bt_ctf_stream_class_common_get_name(old_stream_class), |
| 239 | bt_ctf_stream_class_common_get_id(old_stream_class)); |
| 240 | ret = -1; |
| 241 | goto end; |
| 242 | } |
| 243 | |
| 244 | if (trace) { |
| 245 | /* |
| 246 | * If the stream class is associated with a trace, then |
| 247 | * both those objects are frozen. Also, this event class |
| 248 | * is about to be frozen. |
| 249 | * |
| 250 | * Therefore the event class must be validated here. |
| 251 | * The trace and stream class should be valid at this |
| 252 | * point. |
| 253 | */ |
| 254 | BT_ASSERT_DBG(trace->valid); |
| 255 | BT_ASSERT_DBG(stream_class->valid); |
| 256 | packet_header_type = |
| 257 | bt_ctf_trace_common_borrow_packet_header_field_type(trace); |
| 258 | packet_context_type = |
| 259 | bt_ctf_stream_class_common_borrow_packet_context_field_type( |
| 260 | stream_class); |
| 261 | event_header_type = |
| 262 | bt_ctf_stream_class_common_borrow_event_header_field_type( |
| 263 | stream_class); |
| 264 | stream_event_ctx_type = |
| 265 | bt_ctf_stream_class_common_borrow_event_context_field_type( |
| 266 | stream_class); |
| 267 | event_context_type = |
| 268 | bt_ctf_event_class_common_borrow_context_field_type( |
| 269 | event_class); |
| 270 | event_payload_type = |
| 271 | bt_ctf_event_class_common_borrow_payload_field_type( |
| 272 | event_class); |
| 273 | ret = bt_ctf_validate_class_types( |
| 274 | trace->environment, packet_header_type, |
| 275 | packet_context_type, event_header_type, |
| 276 | stream_event_ctx_type, event_context_type, |
| 277 | event_payload_type, trace->valid, |
| 278 | stream_class->valid, event_class->valid, |
| 279 | &validation_output, validation_flags, |
| 280 | copy_field_type_func); |
| 281 | |
| 282 | if (ret) { |
| 283 | /* |
| 284 | * This means something went wrong during the |
| 285 | * validation process, not that the objects are |
| 286 | * invalid. |
| 287 | */ |
| 288 | BT_LOGE("Failed to validate event class: ret=%d", ret); |
| 289 | goto end; |
| 290 | } |
| 291 | |
| 292 | if ((validation_output.valid_flags & validation_flags) != |
| 293 | validation_flags) { |
| 294 | /* Invalid event class */ |
| 295 | BT_LOGW("Invalid trace, stream class, or event class: " |
| 296 | "valid-flags=0x%x", |
| 297 | validation_output.valid_flags); |
| 298 | ret = -1; |
| 299 | goto end; |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | /* Only set an event ID if none was explicitly set before */ |
| 304 | *event_id = bt_ctf_event_class_common_get_id(event_class); |
| 305 | if (*event_id < 0) { |
| 306 | BT_LOGT("Event class has no ID: automatically setting it: " |
| 307 | "id=%" PRId64, stream_class->next_event_id); |
| 308 | |
| 309 | if (bt_ctf_event_class_common_set_id(event_class, |
| 310 | stream_class->next_event_id)) { |
| 311 | BT_LOGE("Cannot set event class's ID: id=%" PRId64, |
| 312 | stream_class->next_event_id); |
| 313 | ret = -1; |
| 314 | goto end; |
| 315 | } |
| 316 | stream_class->next_event_id++; |
| 317 | *event_id = stream_class->next_event_id; |
| 318 | } |
| 319 | |
| 320 | bt_ctf_object_set_parent(&event_class->base, &stream_class->base); |
| 321 | |
| 322 | if (trace) { |
| 323 | /* |
| 324 | * At this point we know that the function will be |
| 325 | * successful. Therefore we can replace the event |
| 326 | * class's field types with what's in the validation |
| 327 | * output structure and mark this event class as valid. |
| 328 | */ |
| 329 | bt_ctf_validation_replace_types(NULL, NULL, event_class, |
| 330 | &validation_output, validation_flags); |
| 331 | event_class->valid = 1; |
| 332 | |
| 333 | /* |
| 334 | * Put what was not moved in |
| 335 | * bt_ctf_validation_replace_types(). |
| 336 | */ |
| 337 | bt_ctf_validation_output_put_types(&validation_output); |
| 338 | } |
| 339 | |
| 340 | /* Add to the event classes of the stream class */ |
| 341 | g_ptr_array_add(stream_class->event_classes, event_class); |
| 342 | g_hash_table_insert(stream_class->event_classes_ht, event_id, |
| 343 | event_class); |
| 344 | event_id = NULL; |
| 345 | |
| 346 | /* Freeze the event class */ |
| 347 | bt_ctf_event_class_common_freeze(event_class); |
| 348 | |
| 349 | /* |
| 350 | * It is safe to set the stream class's unique clock class |
| 351 | * now if the stream class is frozen. |
| 352 | */ |
| 353 | if (stream_class->frozen && expected_clock_class) { |
| 354 | BT_ASSERT_DBG(!stream_class->clock_class || |
| 355 | stream_class->clock_class == expected_clock_class); |
| 356 | BT_CTF_OBJECT_MOVE_REF(stream_class->clock_class, expected_clock_class); |
| 357 | } |
| 358 | |
| 359 | BT_LOGD("Added event class to stream class: " |
| 360 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
| 361 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " |
| 362 | "event-class-name=\"%s\", event-class-id=%" PRId64, |
| 363 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), |
| 364 | bt_ctf_stream_class_common_get_id(stream_class), |
| 365 | event_class, |
| 366 | bt_ctf_event_class_common_get_name(event_class), |
| 367 | bt_ctf_event_class_common_get_id(event_class)); |
| 368 | |
| 369 | end: |
| 370 | bt_ctf_validation_output_put_types(&validation_output); |
| 371 | bt_ctf_object_put_ref(expected_clock_class); |
| 372 | g_free(event_id); |
| 373 | return ret; |
| 374 | } |
| 375 | |
| 376 | static |
| 377 | int64_t get_event_class_count(void *element) |
| 378 | { |
| 379 | return bt_ctf_stream_class_get_event_class_count( |
| 380 | (struct bt_ctf_stream_class *) element); |
| 381 | } |
| 382 | |
| 383 | static |
| 384 | void *get_event_class(void *element, int i) |
| 385 | { |
| 386 | return bt_ctf_stream_class_get_event_class_by_index( |
| 387 | (struct bt_ctf_stream_class *) element, i); |
| 388 | } |
| 389 | |
| 390 | static |
| 391 | int visit_event_class(void *object, bt_ctf_visitor visitor,void *data) |
| 392 | { |
| 393 | struct bt_ctf_visitor_object obj = { |
| 394 | .object = object, |
| 395 | .type = BT_CTF_VISITOR_OBJECT_TYPE_EVENT_CLASS |
| 396 | }; |
| 397 | |
| 398 | return visitor(&obj, data); |
| 399 | } |
| 400 | |
| 401 | int bt_ctf_stream_class_common_visit(struct bt_ctf_stream_class_common *stream_class, |
| 402 | bt_ctf_visitor visitor, void *data) |
| 403 | { |
| 404 | int ret; |
| 405 | struct bt_ctf_visitor_object obj = { |
| 406 | .object = stream_class, |
| 407 | .type = BT_CTF_VISITOR_OBJECT_TYPE_STREAM_CLASS |
| 408 | }; |
| 409 | |
| 410 | if (!stream_class || !visitor) { |
| 411 | BT_LOGW("Invalid parameter: stream class or visitor is NULL: " |
| 412 | "stream-class-addr=%p, visitor=%p", |
| 413 | stream_class, visitor); |
| 414 | ret = -1; |
| 415 | goto end; |
| 416 | } |
| 417 | |
| 418 | ret = bt_ctf_visitor_helper(&obj, get_event_class_count, |
| 419 | get_event_class, |
| 420 | visit_event_class, visitor, data); |
| 421 | BT_LOGT("bt_ctf_visitor_helper() returned: ret=%d", ret); |
| 422 | |
| 423 | end: |
| 424 | return ret; |
| 425 | } |
| 426 | |
| 427 | int bt_ctf_stream_class_visit(struct bt_ctf_stream_class *stream_class, |
| 428 | bt_ctf_visitor visitor, void *data) |
| 429 | { |
| 430 | return bt_ctf_stream_class_common_visit(BT_CTF_FROM_COMMON(stream_class), |
| 431 | visitor, data); |
| 432 | } |
| 433 | |
| 434 | void bt_ctf_stream_class_common_freeze(struct bt_ctf_stream_class_common *stream_class) |
| 435 | { |
| 436 | if (!stream_class || stream_class->frozen) { |
| 437 | return; |
| 438 | } |
| 439 | |
| 440 | BT_LOGD("Freezing stream class: addr=%p, name=\"%s\", id=%" PRId64, |
| 441 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), |
| 442 | bt_ctf_stream_class_common_get_id(stream_class)); |
| 443 | stream_class->frozen = 1; |
| 444 | bt_ctf_field_type_common_freeze(stream_class->event_header_field_type); |
| 445 | bt_ctf_field_type_common_freeze(stream_class->packet_context_field_type); |
| 446 | bt_ctf_field_type_common_freeze(stream_class->event_context_field_type); |
| 447 | bt_ctf_clock_class_freeze(stream_class->clock_class); |
| 448 | } |
| 449 | |
| 450 | int bt_ctf_stream_class_common_validate_single_clock_class( |
| 451 | struct bt_ctf_stream_class_common *stream_class, |
| 452 | struct bt_ctf_clock_class **expected_clock_class) |
| 453 | { |
| 454 | int ret; |
| 455 | uint64_t i; |
| 456 | |
| 457 | BT_ASSERT_DBG(stream_class); |
| 458 | BT_ASSERT_DBG(expected_clock_class); |
| 459 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
| 460 | stream_class->packet_context_field_type, |
| 461 | expected_clock_class); |
| 462 | if (ret) { |
| 463 | BT_LOGW("Stream class's packet context field type " |
| 464 | "is not recursively mapped to the " |
| 465 | "expected clock class: " |
| 466 | "stream-class-addr=%p, " |
| 467 | "stream-class-name=\"%s\", " |
| 468 | "stream-class-id=%" PRId64 ", " |
| 469 | "ft-addr=%p", |
| 470 | stream_class, |
| 471 | bt_ctf_stream_class_common_get_name(stream_class), |
| 472 | stream_class->id, |
| 473 | stream_class->packet_context_field_type); |
| 474 | goto end; |
| 475 | } |
| 476 | |
| 477 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
| 478 | stream_class->event_header_field_type, |
| 479 | expected_clock_class); |
| 480 | if (ret) { |
| 481 | BT_LOGW("Stream class's event header field type " |
| 482 | "is not recursively mapped to the " |
| 483 | "expected clock class: " |
| 484 | "stream-class-addr=%p, " |
| 485 | "stream-class-name=\"%s\", " |
| 486 | "stream-class-id=%" PRId64 ", " |
| 487 | "ft-addr=%p", |
| 488 | stream_class, |
| 489 | bt_ctf_stream_class_common_get_name(stream_class), |
| 490 | stream_class->id, |
| 491 | stream_class->event_header_field_type); |
| 492 | goto end; |
| 493 | } |
| 494 | |
| 495 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
| 496 | stream_class->event_context_field_type, |
| 497 | expected_clock_class); |
| 498 | if (ret) { |
| 499 | BT_LOGW("Stream class's event context field type " |
| 500 | "is not recursively mapped to the " |
| 501 | "expected clock class: " |
| 502 | "stream-class-addr=%p, " |
| 503 | "stream-class-name=\"%s\", " |
| 504 | "stream-class-id=%" PRId64 ", " |
| 505 | "ft-addr=%p", |
| 506 | stream_class, |
| 507 | bt_ctf_stream_class_common_get_name(stream_class), |
| 508 | stream_class->id, |
| 509 | stream_class->event_context_field_type); |
| 510 | goto end; |
| 511 | } |
| 512 | |
| 513 | for (i = 0; i < stream_class->event_classes->len; i++) { |
| 514 | struct bt_ctf_event_class_common *event_class = |
| 515 | g_ptr_array_index(stream_class->event_classes, i); |
| 516 | |
| 517 | BT_ASSERT_DBG(event_class); |
| 518 | ret = bt_ctf_event_class_common_validate_single_clock_class( |
| 519 | event_class, expected_clock_class); |
| 520 | if (ret) { |
| 521 | BT_LOGW("Stream class's event class contains a " |
| 522 | "field type which is not recursively mapped to " |
| 523 | "the expected clock class: " |
| 524 | "stream-class-addr=%p, " |
| 525 | "stream-class-name=\"%s\", " |
| 526 | "stream-class-id=%" PRId64, |
| 527 | stream_class, |
| 528 | bt_ctf_stream_class_common_get_name(stream_class), |
| 529 | stream_class->id); |
| 530 | goto end; |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | end: |
| 535 | return ret; |
| 536 | } |
| 537 | |
| 538 | static |
| 539 | int init_event_header(struct bt_ctf_stream_class *stream_class) |
| 540 | { |
| 541 | int ret = 0; |
| 542 | struct bt_ctf_field_type *event_header_type = |
| 543 | bt_ctf_field_type_structure_create(); |
| 544 | struct bt_ctf_field_type *_uint32_t = |
| 545 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); |
| 546 | struct bt_ctf_field_type *_uint64_t = |
| 547 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); |
| 548 | |
| 549 | if (!event_header_type) { |
| 550 | BT_LOGE_STR("Cannot create empty structure field type."); |
| 551 | ret = -1; |
| 552 | goto end; |
| 553 | } |
| 554 | |
| 555 | ret = bt_ctf_field_type_structure_add_field(event_header_type, |
| 556 | _uint32_t, "id"); |
| 557 | if (ret) { |
| 558 | BT_LOGE_STR("Cannot add `id` field to event header field type."); |
| 559 | goto end; |
| 560 | } |
| 561 | |
| 562 | ret = bt_ctf_field_type_structure_add_field(event_header_type, |
| 563 | _uint64_t, "timestamp"); |
| 564 | if (ret) { |
| 565 | BT_LOGE_STR("Cannot add `timestamp` field to event header field type."); |
| 566 | goto end; |
| 567 | } |
| 568 | |
| 569 | bt_ctf_object_put_ref(stream_class->common.event_header_field_type); |
| 570 | stream_class->common.event_header_field_type = |
| 571 | (void *) event_header_type; |
| 572 | event_header_type = NULL; |
| 573 | |
| 574 | end: |
| 575 | if (ret) { |
| 576 | bt_ctf_object_put_ref(event_header_type); |
| 577 | } |
| 578 | |
| 579 | bt_ctf_object_put_ref(_uint32_t); |
| 580 | bt_ctf_object_put_ref(_uint64_t); |
| 581 | return ret; |
| 582 | } |
| 583 | |
| 584 | static |
| 585 | int init_packet_context(struct bt_ctf_stream_class *stream_class) |
| 586 | { |
| 587 | int ret = 0; |
| 588 | struct bt_ctf_field_type *packet_context_type = |
| 589 | bt_ctf_field_type_structure_create(); |
| 590 | struct bt_ctf_field_type *_uint64_t = |
| 591 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); |
| 592 | struct bt_ctf_field_type *ts_begin_end_uint64_t = NULL; |
| 593 | |
| 594 | if (!packet_context_type) { |
| 595 | BT_LOGE_STR("Cannot create empty structure field type."); |
| 596 | ret = -1; |
| 597 | goto end; |
| 598 | } |
| 599 | |
| 600 | ts_begin_end_uint64_t = bt_ctf_field_type_copy(_uint64_t); |
| 601 | if (!ts_begin_end_uint64_t) { |
| 602 | BT_LOGE_STR("Cannot copy integer field type for `timestamp_begin` and `timestamp_end` fields."); |
| 603 | ret = -1; |
| 604 | goto end; |
| 605 | } |
| 606 | |
| 607 | /* |
| 608 | * We create a stream packet context as proposed in the CTF |
| 609 | * specification. |
| 610 | */ |
| 611 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, |
| 612 | ts_begin_end_uint64_t, "timestamp_begin"); |
| 613 | if (ret) { |
| 614 | BT_LOGE_STR("Cannot add `timestamp_begin` field to event header field type."); |
| 615 | goto end; |
| 616 | } |
| 617 | |
| 618 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, |
| 619 | ts_begin_end_uint64_t, "timestamp_end"); |
| 620 | if (ret) { |
| 621 | BT_LOGE_STR("Cannot add `timestamp_end` field to event header field type."); |
| 622 | goto end; |
| 623 | } |
| 624 | |
| 625 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, |
| 626 | _uint64_t, "content_size"); |
| 627 | if (ret) { |
| 628 | BT_LOGE_STR("Cannot add `content_size` field to event header field type."); |
| 629 | goto end; |
| 630 | } |
| 631 | |
| 632 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, |
| 633 | _uint64_t, "packet_size"); |
| 634 | if (ret) { |
| 635 | BT_LOGE_STR("Cannot add `packet_size` field to event header field type."); |
| 636 | goto end; |
| 637 | } |
| 638 | |
| 639 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, |
| 640 | _uint64_t, "events_discarded"); |
| 641 | if (ret) { |
| 642 | BT_LOGE_STR("Cannot add `events_discarded` field to event header field type."); |
| 643 | goto end; |
| 644 | } |
| 645 | |
| 646 | bt_ctf_object_put_ref(stream_class->common.packet_context_field_type); |
| 647 | stream_class->common.packet_context_field_type = |
| 648 | (void *) packet_context_type; |
| 649 | packet_context_type = NULL; |
| 650 | |
| 651 | end: |
| 652 | if (ret) { |
| 653 | bt_ctf_object_put_ref(packet_context_type); |
| 654 | goto end; |
| 655 | } |
| 656 | |
| 657 | bt_ctf_object_put_ref(_uint64_t); |
| 658 | bt_ctf_object_put_ref(ts_begin_end_uint64_t); |
| 659 | return ret; |
| 660 | } |
| 661 | |
| 662 | static |
| 663 | void bt_ctf_stream_class_destroy(struct bt_ctf_object *obj) |
| 664 | { |
| 665 | struct bt_ctf_stream_class *stream_class; |
| 666 | |
| 667 | stream_class = (void *) obj; |
| 668 | BT_LOGD("Destroying CTF writer stream class: addr=%p, name=\"%s\", id=%" PRId64, |
| 669 | stream_class, bt_ctf_stream_class_get_name(stream_class), |
| 670 | bt_ctf_stream_class_get_id(stream_class)); |
| 671 | bt_ctf_stream_class_common_finalize(BT_CTF_TO_COMMON(stream_class)); |
| 672 | bt_ctf_object_put_ref(stream_class->clock); |
| 673 | g_free(stream_class); |
| 674 | } |
| 675 | |
| 676 | BT_EXPORT |
| 677 | struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name) |
| 678 | { |
| 679 | struct bt_ctf_stream_class *stream_class; |
| 680 | int ret; |
| 681 | |
| 682 | BT_LOGD("Creating CTF writer stream class object: name=\"%s\"", name); |
| 683 | stream_class = g_new0(struct bt_ctf_stream_class, 1); |
| 684 | if (!stream_class) { |
| 685 | BT_LOGE_STR("Failed to allocate one CTF writer stream class."); |
| 686 | goto error; |
| 687 | } |
| 688 | |
| 689 | ret = bt_ctf_stream_class_common_initialize(BT_CTF_TO_COMMON(stream_class), |
| 690 | name, bt_ctf_stream_class_destroy); |
| 691 | if (ret) { |
| 692 | /* bt_ctf_stream_class_common_initialize() logs errors */ |
| 693 | goto error; |
| 694 | } |
| 695 | |
| 696 | ret = init_event_header(stream_class); |
| 697 | if (ret) { |
| 698 | BT_LOGE_STR("Cannot initialize stream class's event header field type."); |
| 699 | goto error; |
| 700 | } |
| 701 | |
| 702 | ret = init_packet_context(stream_class); |
| 703 | if (ret) { |
| 704 | BT_LOGE_STR("Cannot initialize stream class's packet context field type."); |
| 705 | goto error; |
| 706 | } |
| 707 | |
| 708 | BT_LOGD("Created CTF writer stream class object: addr=%p, name=\"%s\"", |
| 709 | stream_class, name); |
| 710 | return stream_class; |
| 711 | |
| 712 | error: |
| 713 | BT_CTF_OBJECT_PUT_REF_AND_RESET(stream_class); |
| 714 | return stream_class; |
| 715 | } |
| 716 | |
| 717 | static |
| 718 | int try_map_clock_class(struct bt_ctf_stream_class *stream_class, |
| 719 | struct bt_ctf_field_type *parent_ft, const char *field_name) |
| 720 | { |
| 721 | struct bt_ctf_clock_class *mapped_clock_class = NULL; |
| 722 | int ret = 0; |
| 723 | struct bt_ctf_field_type *ft = |
| 724 | bt_ctf_field_type_structure_get_field_type_by_name(parent_ft, |
| 725 | field_name); |
| 726 | |
| 727 | BT_ASSERT_DBG(stream_class->clock); |
| 728 | |
| 729 | if (!ft) { |
| 730 | /* Field does not exist: not an error */ |
| 731 | goto end; |
| 732 | } |
| 733 | |
| 734 | BT_ASSERT_DBG(((struct bt_ctf_field_type_common *) ft)->id == |
| 735 | BT_CTF_FIELD_TYPE_ID_INTEGER); |
| 736 | mapped_clock_class = |
| 737 | bt_ctf_field_type_integer_get_mapped_clock_class(ft); |
| 738 | if (!mapped_clock_class) { |
| 739 | struct bt_ctf_field_type *ft_copy; |
| 740 | |
| 741 | if (!stream_class->clock) { |
| 742 | BT_LOGW("Cannot automatically set field's type mapped clock class: stream class's clock is not set: " |
| 743 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
| 744 | "stream-class-id=%" PRId64 ", ft-addr=%p", |
| 745 | stream_class, |
| 746 | bt_ctf_stream_class_get_name(stream_class), |
| 747 | bt_ctf_stream_class_get_id(stream_class), ft); |
| 748 | ret = -1; |
| 749 | goto end; |
| 750 | } |
| 751 | |
| 752 | ft_copy = bt_ctf_field_type_copy(ft); |
| 753 | if (!ft_copy) { |
| 754 | BT_LOGE("Failed to copy integer field type: ft-addr=%p", |
| 755 | ft); |
| 756 | ret = -1; |
| 757 | goto end; |
| 758 | } |
| 759 | |
| 760 | ret = bt_ctf_field_type_common_integer_set_mapped_clock_class_no_check_frozen( |
| 761 | (void *) ft_copy, stream_class->clock->clock_class); |
| 762 | BT_ASSERT_DBG(ret == 0); |
| 763 | |
| 764 | ret = bt_ctf_field_type_common_structure_replace_field( |
| 765 | (void *) parent_ft, field_name, (void *) ft_copy); |
| 766 | bt_ctf_object_put_ref(ft_copy); |
| 767 | BT_LOGT("Automatically mapped field type to stream class's clock class: " |
| 768 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
| 769 | "stream-class-id=%" PRId64 ", ft-addr=%p, " |
| 770 | "ft-copy-addr=%p", |
| 771 | stream_class, |
| 772 | bt_ctf_stream_class_get_name(stream_class), |
| 773 | bt_ctf_stream_class_get_id(stream_class), ft, ft_copy); |
| 774 | } |
| 775 | |
| 776 | end: |
| 777 | bt_ctf_object_put_ref(ft); |
| 778 | bt_ctf_object_put_ref(mapped_clock_class); |
| 779 | return ret; |
| 780 | } |
| 781 | |
| 782 | int bt_ctf_stream_class_map_clock_class( |
| 783 | struct bt_ctf_stream_class *stream_class, |
| 784 | struct bt_ctf_field_type *packet_context_type, |
| 785 | struct bt_ctf_field_type *event_header_type) |
| 786 | { |
| 787 | int ret = 0; |
| 788 | |
| 789 | BT_ASSERT_DBG(stream_class); |
| 790 | |
| 791 | if (!stream_class->clock) { |
| 792 | /* No clock class to map to */ |
| 793 | goto end; |
| 794 | } |
| 795 | |
| 796 | if (packet_context_type) { |
| 797 | if (try_map_clock_class(stream_class, packet_context_type, |
| 798 | "timestamp_begin")) { |
| 799 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_begin` field's mapped clock class."); |
| 800 | ret = -1; |
| 801 | goto end; |
| 802 | } |
| 803 | |
| 804 | if (try_map_clock_class(stream_class, packet_context_type, |
| 805 | "timestamp_end")) { |
| 806 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_end` field's mapped clock class."); |
| 807 | ret = -1; |
| 808 | goto end; |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | if (event_header_type) { |
| 813 | if (try_map_clock_class(stream_class, event_header_type, |
| 814 | "timestamp")) { |
| 815 | BT_LOGE_STR("Cannot automatically set stream class's event header field type's `timestamp` field's mapped clock class."); |
| 816 | ret = -1; |
| 817 | goto end; |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | end: |
| 822 | return ret; |
| 823 | } |
| 824 | |
| 825 | BT_EXPORT |
| 826 | struct bt_ctf_clock *bt_ctf_stream_class_get_clock( |
| 827 | struct bt_ctf_stream_class *stream_class) |
| 828 | { |
| 829 | struct bt_ctf_clock *clock = NULL; |
| 830 | |
| 831 | if (!stream_class) { |
| 832 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); |
| 833 | goto end; |
| 834 | } |
| 835 | |
| 836 | if (!stream_class->clock) { |
| 837 | BT_LOGT("Stream class has no clock: " |
| 838 | "addr=%p, name=\"%s\", id=%" PRId64, |
| 839 | stream_class, |
| 840 | bt_ctf_stream_class_get_name(stream_class), |
| 841 | bt_ctf_stream_class_get_id(stream_class)); |
| 842 | goto end; |
| 843 | } |
| 844 | |
| 845 | clock = bt_ctf_object_get_ref(stream_class->clock); |
| 846 | |
| 847 | end: |
| 848 | return clock; |
| 849 | } |
| 850 | |
| 851 | BT_EXPORT |
| 852 | int bt_ctf_stream_class_set_clock( |
| 853 | struct bt_ctf_stream_class *stream_class, |
| 854 | struct bt_ctf_clock *clock) |
| 855 | { |
| 856 | int ret = 0; |
| 857 | |
| 858 | if (!stream_class || !clock) { |
| 859 | BT_LOGW("Invalid parameter: stream class or clock is NULL: " |
| 860 | "stream-class-addr=%p, clock-addr=%p", |
| 861 | stream_class, clock); |
| 862 | ret = -1; |
| 863 | goto end; |
| 864 | } |
| 865 | |
| 866 | if (stream_class->common.frozen) { |
| 867 | BT_LOGW("Invalid parameter: stream class is frozen: " |
| 868 | "addr=%p, name=\"%s\", id=%" PRId64, |
| 869 | stream_class, |
| 870 | bt_ctf_stream_class_get_name(stream_class), |
| 871 | bt_ctf_stream_class_get_id(stream_class)); |
| 872 | ret = -1; |
| 873 | goto end; |
| 874 | } |
| 875 | |
| 876 | /* Replace the current clock of this stream class. */ |
| 877 | bt_ctf_object_put_ref(stream_class->clock); |
| 878 | stream_class->clock = bt_ctf_object_get_ref(clock); |
| 879 | BT_LOGT("Set stream class's clock: " |
| 880 | "addr=%p, name=\"%s\", id=%" PRId64 ", " |
| 881 | "clock-addr=%p, clock-name=\"%s\"", |
| 882 | stream_class, |
| 883 | bt_ctf_stream_class_get_name(stream_class), |
| 884 | bt_ctf_stream_class_get_id(stream_class), |
| 885 | stream_class->clock, |
| 886 | bt_ctf_clock_get_name(stream_class->clock)); |
| 887 | |
| 888 | end: |
| 889 | return ret; |
| 890 | } |
| 891 | |
| 892 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, |
| 893 | struct metadata_context *context) |
| 894 | { |
| 895 | int ret = 0; |
| 896 | size_t i; |
| 897 | struct bt_ctf_trace *trace; |
| 898 | struct bt_ctf_field_type *packet_header_type = NULL; |
| 899 | |
| 900 | BT_LOGD("Serializing stream class's metadata: " |
| 901 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
| 902 | "stream-class-id=%" PRId64 ", metadata-context-addr=%p", |
| 903 | stream_class, |
| 904 | bt_ctf_stream_class_get_name(stream_class), |
| 905 | bt_ctf_stream_class_get_id(stream_class), context); |
| 906 | g_string_assign(context->field_name, ""); |
| 907 | context->current_indentation_level = 1; |
| 908 | if (!stream_class->common.id_set) { |
| 909 | BT_LOGW_STR("Stream class's ID is not set."); |
| 910 | ret = -1; |
| 911 | goto end; |
| 912 | } |
| 913 | |
| 914 | g_string_append(context->string, "stream {\n"); |
| 915 | |
| 916 | /* |
| 917 | * The reference to the trace is only borrowed since the |
| 918 | * serialization of the stream class might have been triggered |
| 919 | * by the trace's destruction. In such a case, the trace's |
| 920 | * reference count would, unexepectedly, go through the sequence |
| 921 | * 1 -> 0 -> 1 -> 0 -> ..., provoking an endless loop of destruction |
| 922 | * and serialization. |
| 923 | */ |
| 924 | trace = BT_CTF_FROM_COMMON(bt_ctf_stream_class_common_borrow_trace( |
| 925 | BT_CTF_TO_COMMON(stream_class))); |
| 926 | BT_ASSERT_DBG(trace); |
| 927 | packet_header_type = bt_ctf_trace_get_packet_header_field_type(trace); |
| 928 | trace = NULL; |
| 929 | if (packet_header_type) { |
| 930 | struct bt_ctf_field_type *stream_id_type; |
| 931 | |
| 932 | stream_id_type = |
| 933 | bt_ctf_field_type_structure_get_field_type_by_name( |
| 934 | packet_header_type, "stream_id"); |
| 935 | if (stream_id_type) { |
| 936 | /* |
| 937 | * Only set the stream's id if the trace's packet header |
| 938 | * contains a stream_id field. This field is only |
| 939 | * needed if the trace contains only one stream |
| 940 | * class. |
| 941 | */ |
| 942 | g_string_append_printf(context->string, |
| 943 | "\tid = %" PRId64 ";\n", |
| 944 | stream_class->common.id); |
| 945 | } |
| 946 | bt_ctf_object_put_ref(stream_id_type); |
| 947 | } |
| 948 | if (stream_class->common.event_header_field_type) { |
| 949 | BT_LOGD_STR("Serializing stream class's event header field type's metadata."); |
| 950 | g_string_append(context->string, "\tevent.header := "); |
| 951 | ret = bt_ctf_field_type_serialize_recursive( |
| 952 | (void *) stream_class->common.event_header_field_type, |
| 953 | context); |
| 954 | if (ret) { |
| 955 | BT_LOGW("Cannot serialize stream class's event header field type's metadata: " |
| 956 | "ret=%d", ret); |
| 957 | goto end; |
| 958 | } |
| 959 | g_string_append(context->string, ";"); |
| 960 | } |
| 961 | |
| 962 | |
| 963 | if (stream_class->common.packet_context_field_type) { |
| 964 | BT_LOGD_STR("Serializing stream class's packet context field type's metadata."); |
| 965 | g_string_append(context->string, "\n\n\tpacket.context := "); |
| 966 | ret = bt_ctf_field_type_serialize_recursive( |
| 967 | (void *) stream_class->common.packet_context_field_type, |
| 968 | context); |
| 969 | if (ret) { |
| 970 | BT_LOGW("Cannot serialize stream class's packet context field type's metadata: " |
| 971 | "ret=%d", ret); |
| 972 | goto end; |
| 973 | } |
| 974 | g_string_append(context->string, ";"); |
| 975 | } |
| 976 | |
| 977 | if (stream_class->common.event_context_field_type) { |
| 978 | BT_LOGD_STR("Serializing stream class's event context field type's metadata."); |
| 979 | g_string_append(context->string, "\n\n\tevent.context := "); |
| 980 | ret = bt_ctf_field_type_serialize_recursive( |
| 981 | (void *) stream_class->common.event_context_field_type, |
| 982 | context); |
| 983 | if (ret) { |
| 984 | BT_LOGW("Cannot serialize stream class's event context field type's metadata: " |
| 985 | "ret=%d", ret); |
| 986 | goto end; |
| 987 | } |
| 988 | g_string_append(context->string, ";"); |
| 989 | } |
| 990 | |
| 991 | g_string_append(context->string, "\n};\n\n"); |
| 992 | |
| 993 | for (i = 0; i < stream_class->common.event_classes->len; i++) { |
| 994 | struct bt_ctf_event_class *event_class = |
| 995 | stream_class->common.event_classes->pdata[i]; |
| 996 | |
| 997 | ret = bt_ctf_event_class_serialize(event_class, context); |
| 998 | if (ret) { |
| 999 | BT_LOGW("Cannot serialize event class's metadata: " |
| 1000 | "event-class-addr=%p, event-class-name=\"%s\", " |
| 1001 | "event-class-id=%" PRId64, |
| 1002 | event_class, |
| 1003 | bt_ctf_event_class_get_name(event_class), |
| 1004 | bt_ctf_event_class_get_id(event_class)); |
| 1005 | goto end; |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | end: |
| 1010 | bt_ctf_object_put_ref(packet_header_type); |
| 1011 | context->current_indentation_level = 0; |
| 1012 | return ret; |
| 1013 | } |
| 1014 | |
| 1015 | BT_EXPORT |
| 1016 | struct bt_ctf_trace *bt_ctf_stream_class_get_trace( |
| 1017 | struct bt_ctf_stream_class *stream_class) |
| 1018 | { |
| 1019 | return bt_ctf_object_get_ref(bt_ctf_stream_class_common_borrow_trace( |
| 1020 | BT_CTF_TO_COMMON(stream_class))); |
| 1021 | } |
| 1022 | |
| 1023 | BT_EXPORT |
| 1024 | const char *bt_ctf_stream_class_get_name( |
| 1025 | struct bt_ctf_stream_class *stream_class) |
| 1026 | { |
| 1027 | return bt_ctf_stream_class_common_get_name(BT_CTF_TO_COMMON(stream_class)); |
| 1028 | } |
| 1029 | |
| 1030 | BT_EXPORT |
| 1031 | int bt_ctf_stream_class_set_name( |
| 1032 | struct bt_ctf_stream_class *stream_class, const char *name) |
| 1033 | { |
| 1034 | return bt_ctf_stream_class_common_set_name(BT_CTF_TO_COMMON(stream_class), |
| 1035 | name); |
| 1036 | } |
| 1037 | |
| 1038 | BT_EXPORT |
| 1039 | int64_t bt_ctf_stream_class_get_id( |
| 1040 | struct bt_ctf_stream_class *stream_class) |
| 1041 | { |
| 1042 | return bt_ctf_stream_class_common_get_id(BT_CTF_TO_COMMON(stream_class)); |
| 1043 | } |
| 1044 | |
| 1045 | BT_EXPORT |
| 1046 | int bt_ctf_stream_class_set_id( |
| 1047 | struct bt_ctf_stream_class *stream_class, uint64_t id) |
| 1048 | { |
| 1049 | return bt_ctf_stream_class_common_set_id(BT_CTF_TO_COMMON(stream_class), id); |
| 1050 | } |
| 1051 | |
| 1052 | BT_EXPORT |
| 1053 | struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type( |
| 1054 | struct bt_ctf_stream_class *stream_class) |
| 1055 | { |
| 1056 | return bt_ctf_object_get_ref( |
| 1057 | bt_ctf_stream_class_common_borrow_packet_context_field_type( |
| 1058 | BT_CTF_TO_COMMON(stream_class))); |
| 1059 | } |
| 1060 | |
| 1061 | BT_EXPORT |
| 1062 | int bt_ctf_stream_class_set_packet_context_type( |
| 1063 | struct bt_ctf_stream_class *stream_class, |
| 1064 | struct bt_ctf_field_type *packet_context_type) |
| 1065 | { |
| 1066 | return bt_ctf_stream_class_common_set_packet_context_field_type( |
| 1067 | BT_CTF_TO_COMMON(stream_class), (void *) packet_context_type); |
| 1068 | } |
| 1069 | |
| 1070 | BT_EXPORT |
| 1071 | struct bt_ctf_field_type * |
| 1072 | bt_ctf_stream_class_get_event_header_type( |
| 1073 | struct bt_ctf_stream_class *stream_class) |
| 1074 | { |
| 1075 | return bt_ctf_object_get_ref( |
| 1076 | bt_ctf_stream_class_common_borrow_event_header_field_type( |
| 1077 | BT_CTF_TO_COMMON(stream_class))); |
| 1078 | } |
| 1079 | |
| 1080 | BT_EXPORT |
| 1081 | int bt_ctf_stream_class_set_event_header_type( |
| 1082 | struct bt_ctf_stream_class *stream_class, |
| 1083 | struct bt_ctf_field_type *event_header_type) |
| 1084 | { |
| 1085 | return bt_ctf_stream_class_common_set_event_header_field_type( |
| 1086 | BT_CTF_TO_COMMON(stream_class), (void *) event_header_type); |
| 1087 | } |
| 1088 | |
| 1089 | BT_EXPORT |
| 1090 | struct bt_ctf_field_type * |
| 1091 | bt_ctf_stream_class_get_event_context_type( |
| 1092 | struct bt_ctf_stream_class *stream_class) |
| 1093 | { |
| 1094 | return bt_ctf_object_get_ref( |
| 1095 | bt_ctf_stream_class_common_borrow_event_context_field_type( |
| 1096 | BT_CTF_TO_COMMON(stream_class))); |
| 1097 | } |
| 1098 | |
| 1099 | BT_EXPORT |
| 1100 | int bt_ctf_stream_class_set_event_context_type( |
| 1101 | struct bt_ctf_stream_class *stream_class, |
| 1102 | struct bt_ctf_field_type *event_context_type) |
| 1103 | { |
| 1104 | return bt_ctf_stream_class_common_set_event_context_field_type( |
| 1105 | BT_CTF_TO_COMMON(stream_class), (void *) event_context_type); |
| 1106 | } |
| 1107 | |
| 1108 | BT_EXPORT |
| 1109 | int64_t bt_ctf_stream_class_get_event_class_count( |
| 1110 | struct bt_ctf_stream_class *stream_class) |
| 1111 | { |
| 1112 | return bt_ctf_stream_class_common_get_event_class_count( |
| 1113 | BT_CTF_TO_COMMON(stream_class)); |
| 1114 | } |
| 1115 | |
| 1116 | BT_EXPORT |
| 1117 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_index( |
| 1118 | struct bt_ctf_stream_class *stream_class, uint64_t index) |
| 1119 | { |
| 1120 | return bt_ctf_object_get_ref( |
| 1121 | bt_ctf_stream_class_common_borrow_event_class_by_index( |
| 1122 | BT_CTF_TO_COMMON(stream_class), index)); |
| 1123 | } |
| 1124 | |
| 1125 | BT_EXPORT |
| 1126 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_id( |
| 1127 | struct bt_ctf_stream_class *stream_class, uint64_t id) |
| 1128 | { |
| 1129 | return bt_ctf_object_get_ref( |
| 1130 | bt_ctf_stream_class_common_borrow_event_class_by_id( |
| 1131 | BT_CTF_TO_COMMON(stream_class), id)); |
| 1132 | } |
| 1133 | |
| 1134 | BT_EXPORT |
| 1135 | int bt_ctf_stream_class_add_event_class( |
| 1136 | struct bt_ctf_stream_class *stream_class, |
| 1137 | struct bt_ctf_event_class *event_class) |
| 1138 | { |
| 1139 | return bt_ctf_stream_class_common_add_event_class( |
| 1140 | BT_CTF_TO_COMMON(stream_class), BT_CTF_TO_COMMON(event_class), |
| 1141 | (bt_ctf_validation_flag_copy_field_type_func) bt_ctf_field_type_copy); |
| 1142 | } |