| 1 | /* |
| 2 | * event-class.c |
| 3 | * |
| 4 | * Babeltrace CTF IR - Event class |
| 5 | * |
| 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 7 | * |
| 8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 9 | * |
| 10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | * of this software and associated documentation files (the "Software"), to deal |
| 12 | * in the Software without restriction, including without limitation the rights |
| 13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | * copies of the Software, and to permit persons to whom the Software is |
| 15 | * furnished to do so, subject to the following conditions: |
| 16 | * |
| 17 | * The above copyright notice and this permission notice shall be included in |
| 18 | * all copies or substantial portions of the Software. |
| 19 | * |
| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 26 | * SOFTWARE. |
| 27 | */ |
| 28 | |
| 29 | #include <babeltrace/ctf-ir/fields-internal.h> |
| 30 | #include <babeltrace/ctf-ir/field-types-internal.h> |
| 31 | #include <babeltrace/ctf-ir/event-class.h> |
| 32 | #include <babeltrace/ctf-ir/event-class-internal.h> |
| 33 | #include <babeltrace/ctf-ir/stream-class.h> |
| 34 | #include <babeltrace/ctf-ir/stream-class-internal.h> |
| 35 | #include <babeltrace/ctf-ir/trace-internal.h> |
| 36 | #include <babeltrace/ctf-ir/validation-internal.h> |
| 37 | #include <babeltrace/ctf-ir/utils.h> |
| 38 | #include <babeltrace/ref.h> |
| 39 | #include <babeltrace/ctf-ir/attributes-internal.h> |
| 40 | #include <babeltrace/compiler.h> |
| 41 | #include <babeltrace/endian.h> |
| 42 | |
| 43 | static |
| 44 | void bt_ctf_event_class_destroy(struct bt_object *obj); |
| 45 | |
| 46 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) |
| 47 | { |
| 48 | int ret; |
| 49 | struct bt_value *obj = NULL; |
| 50 | struct bt_ctf_event_class *event_class = NULL; |
| 51 | |
| 52 | if (bt_ctf_validate_identifier(name)) { |
| 53 | goto error; |
| 54 | } |
| 55 | |
| 56 | event_class = g_new0(struct bt_ctf_event_class, 1); |
| 57 | if (!event_class) { |
| 58 | goto error; |
| 59 | } |
| 60 | |
| 61 | bt_object_init(event_class, bt_ctf_event_class_destroy); |
| 62 | event_class->fields = bt_ctf_field_type_structure_create(); |
| 63 | if (!event_class->fields) { |
| 64 | goto error; |
| 65 | } |
| 66 | |
| 67 | event_class->attributes = bt_ctf_attributes_create(); |
| 68 | if (!event_class->attributes) { |
| 69 | goto error; |
| 70 | } |
| 71 | |
| 72 | obj = bt_value_integer_create_init(-1); |
| 73 | if (!obj) { |
| 74 | goto error; |
| 75 | } |
| 76 | |
| 77 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, |
| 78 | "id", obj); |
| 79 | if (ret) { |
| 80 | goto error; |
| 81 | } |
| 82 | |
| 83 | BT_PUT(obj); |
| 84 | |
| 85 | obj = bt_value_string_create_init(name); |
| 86 | if (!obj) { |
| 87 | goto error; |
| 88 | } |
| 89 | |
| 90 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, |
| 91 | "name", obj); |
| 92 | if (ret) { |
| 93 | goto error; |
| 94 | } |
| 95 | |
| 96 | BT_PUT(obj); |
| 97 | |
| 98 | return event_class; |
| 99 | |
| 100 | error: |
| 101 | BT_PUT(event_class); |
| 102 | BT_PUT(obj); |
| 103 | return event_class; |
| 104 | } |
| 105 | |
| 106 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) |
| 107 | { |
| 108 | struct bt_value *obj = NULL; |
| 109 | const char *name = NULL; |
| 110 | |
| 111 | if (!event_class) { |
| 112 | goto end; |
| 113 | } |
| 114 | |
| 115 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
| 116 | BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX); |
| 117 | if (!obj) { |
| 118 | goto end; |
| 119 | } |
| 120 | |
| 121 | if (bt_value_string_get(obj, &name)) { |
| 122 | name = NULL; |
| 123 | } |
| 124 | |
| 125 | end: |
| 126 | BT_PUT(obj); |
| 127 | return name; |
| 128 | } |
| 129 | |
| 130 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) |
| 131 | { |
| 132 | struct bt_value *obj = NULL; |
| 133 | int64_t ret = 0; |
| 134 | |
| 135 | if (!event_class) { |
| 136 | ret = -1; |
| 137 | goto end; |
| 138 | } |
| 139 | |
| 140 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
| 141 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); |
| 142 | if (!obj) { |
| 143 | goto end; |
| 144 | } |
| 145 | |
| 146 | if (bt_value_integer_get(obj, &ret)) { |
| 147 | ret = -1; |
| 148 | } |
| 149 | |
| 150 | if (ret < 0) { |
| 151 | /* means ID is not set */ |
| 152 | ret = -1; |
| 153 | goto end; |
| 154 | } |
| 155 | |
| 156 | end: |
| 157 | BT_PUT(obj); |
| 158 | return ret; |
| 159 | } |
| 160 | |
| 161 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, |
| 162 | uint32_t id) |
| 163 | { |
| 164 | int ret = 0; |
| 165 | struct bt_value *obj = NULL; |
| 166 | struct bt_ctf_stream_class *stream_class = NULL; |
| 167 | |
| 168 | |
| 169 | if (!event_class) { |
| 170 | ret = -1; |
| 171 | goto end; |
| 172 | } |
| 173 | |
| 174 | stream_class = bt_ctf_event_class_get_stream_class(event_class); |
| 175 | if (stream_class) { |
| 176 | /* |
| 177 | * We don't allow changing the id if the event class has already |
| 178 | * been added to a stream class. |
| 179 | */ |
| 180 | ret = -1; |
| 181 | goto end; |
| 182 | } |
| 183 | |
| 184 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
| 185 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); |
| 186 | if (!obj) { |
| 187 | goto end; |
| 188 | } |
| 189 | |
| 190 | if (bt_value_integer_set(obj, id)) { |
| 191 | ret = -1; |
| 192 | goto end; |
| 193 | } |
| 194 | |
| 195 | end: |
| 196 | BT_PUT(obj); |
| 197 | BT_PUT(stream_class); |
| 198 | return ret; |
| 199 | } |
| 200 | |
| 201 | int bt_ctf_event_class_set_attribute( |
| 202 | struct bt_ctf_event_class *event_class, const char *name, |
| 203 | struct bt_value *value) |
| 204 | { |
| 205 | int ret = 0; |
| 206 | |
| 207 | if (!event_class || !name || !value || event_class->frozen) { |
| 208 | ret = -1; |
| 209 | goto end; |
| 210 | } |
| 211 | |
| 212 | if (!strcmp(name, "id") || !strcmp(name, "loglevel")) { |
| 213 | if (!bt_value_is_integer(value)) { |
| 214 | ret = -1; |
| 215 | goto end; |
| 216 | } |
| 217 | } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri")) { |
| 218 | if (!bt_value_is_string(value)) { |
| 219 | ret = -1; |
| 220 | goto end; |
| 221 | } |
| 222 | } else { |
| 223 | /* unknown attribute */ |
| 224 | ret = -1; |
| 225 | goto end; |
| 226 | } |
| 227 | |
| 228 | /* "id" special case: >= 0 */ |
| 229 | if (!strcmp(name, "id")) { |
| 230 | int64_t val; |
| 231 | |
| 232 | ret = bt_value_integer_get(value, &val); |
| 233 | |
| 234 | if (ret) { |
| 235 | goto end; |
| 236 | } |
| 237 | |
| 238 | if (val < 0) { |
| 239 | ret = -1; |
| 240 | goto end; |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, |
| 245 | name, value); |
| 246 | |
| 247 | end: |
| 248 | return ret; |
| 249 | } |
| 250 | |
| 251 | int bt_ctf_event_class_get_attribute_count( |
| 252 | struct bt_ctf_event_class *event_class) |
| 253 | { |
| 254 | int ret = 0; |
| 255 | |
| 256 | if (!event_class) { |
| 257 | ret = -1; |
| 258 | goto end; |
| 259 | } |
| 260 | |
| 261 | ret = bt_ctf_attributes_get_count(event_class->attributes); |
| 262 | |
| 263 | end: |
| 264 | return ret; |
| 265 | } |
| 266 | |
| 267 | const char * |
| 268 | bt_ctf_event_class_get_attribute_name( |
| 269 | struct bt_ctf_event_class *event_class, int index) |
| 270 | { |
| 271 | const char *ret; |
| 272 | |
| 273 | if (!event_class) { |
| 274 | ret = NULL; |
| 275 | goto end; |
| 276 | } |
| 277 | |
| 278 | ret = bt_ctf_attributes_get_field_name(event_class->attributes, index); |
| 279 | |
| 280 | end: |
| 281 | return ret; |
| 282 | } |
| 283 | |
| 284 | struct bt_value * |
| 285 | bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class, |
| 286 | int index) |
| 287 | { |
| 288 | struct bt_value *ret; |
| 289 | |
| 290 | if (!event_class) { |
| 291 | ret = NULL; |
| 292 | goto end; |
| 293 | } |
| 294 | |
| 295 | ret = bt_ctf_attributes_get_field_value(event_class->attributes, index); |
| 296 | |
| 297 | end: |
| 298 | return ret; |
| 299 | } |
| 300 | |
| 301 | struct bt_value * |
| 302 | bt_ctf_event_class_get_attribute_value_by_name( |
| 303 | struct bt_ctf_event_class *event_class, const char *name) |
| 304 | { |
| 305 | struct bt_value *ret; |
| 306 | |
| 307 | if (!event_class || !name) { |
| 308 | ret = NULL; |
| 309 | goto end; |
| 310 | } |
| 311 | |
| 312 | ret = bt_ctf_attributes_get_field_value_by_name(event_class->attributes, |
| 313 | name); |
| 314 | |
| 315 | end: |
| 316 | return ret; |
| 317 | |
| 318 | } |
| 319 | |
| 320 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( |
| 321 | struct bt_ctf_event_class *event_class) |
| 322 | { |
| 323 | return (struct bt_ctf_stream_class *) bt_object_get_parent(event_class); |
| 324 | } |
| 325 | |
| 326 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type( |
| 327 | struct bt_ctf_event_class *event_class) |
| 328 | { |
| 329 | struct bt_ctf_field_type *payload = NULL; |
| 330 | |
| 331 | if (!event_class) { |
| 332 | goto end; |
| 333 | } |
| 334 | |
| 335 | bt_get(event_class->fields); |
| 336 | payload = event_class->fields; |
| 337 | end: |
| 338 | return payload; |
| 339 | } |
| 340 | |
| 341 | int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class, |
| 342 | struct bt_ctf_field_type *payload) |
| 343 | { |
| 344 | int ret = 0; |
| 345 | |
| 346 | if (!event_class || !payload || |
| 347 | bt_ctf_field_type_get_type_id(payload) != |
| 348 | BT_CTF_TYPE_ID_STRUCT) { |
| 349 | ret = -1; |
| 350 | goto end; |
| 351 | } |
| 352 | |
| 353 | bt_get(payload); |
| 354 | bt_put(event_class->fields); |
| 355 | event_class->fields = payload; |
| 356 | end: |
| 357 | return ret; |
| 358 | } |
| 359 | |
| 360 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, |
| 361 | struct bt_ctf_field_type *type, |
| 362 | const char *name) |
| 363 | { |
| 364 | int ret = 0; |
| 365 | |
| 366 | if (!event_class || !type || bt_ctf_validate_identifier(name) || |
| 367 | event_class->frozen) { |
| 368 | ret = -1; |
| 369 | goto end; |
| 370 | } |
| 371 | |
| 372 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
| 373 | BT_CTF_TYPE_ID_STRUCT) { |
| 374 | ret = -1; |
| 375 | goto end; |
| 376 | } |
| 377 | |
| 378 | ret = bt_ctf_field_type_structure_add_field(event_class->fields, |
| 379 | type, name); |
| 380 | end: |
| 381 | return ret; |
| 382 | } |
| 383 | |
| 384 | int bt_ctf_event_class_get_field_count( |
| 385 | struct bt_ctf_event_class *event_class) |
| 386 | { |
| 387 | int ret; |
| 388 | |
| 389 | if (!event_class) { |
| 390 | ret = -1; |
| 391 | goto end; |
| 392 | } |
| 393 | |
| 394 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
| 395 | BT_CTF_TYPE_ID_STRUCT) { |
| 396 | ret = -1; |
| 397 | goto end; |
| 398 | } |
| 399 | |
| 400 | ret = bt_ctf_field_type_structure_get_field_count(event_class->fields); |
| 401 | end: |
| 402 | return ret; |
| 403 | } |
| 404 | |
| 405 | int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class, |
| 406 | const char **field_name, struct bt_ctf_field_type **field_type, |
| 407 | int index) |
| 408 | { |
| 409 | int ret; |
| 410 | |
| 411 | if (!event_class || index < 0) { |
| 412 | ret = -1; |
| 413 | goto end; |
| 414 | } |
| 415 | |
| 416 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
| 417 | BT_CTF_TYPE_ID_STRUCT) { |
| 418 | ret = -1; |
| 419 | goto end; |
| 420 | } |
| 421 | |
| 422 | ret = bt_ctf_field_type_structure_get_field(event_class->fields, |
| 423 | field_name, field_type, index); |
| 424 | end: |
| 425 | return ret; |
| 426 | } |
| 427 | |
| 428 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( |
| 429 | struct bt_ctf_event_class *event_class, const char *name) |
| 430 | { |
| 431 | GQuark name_quark; |
| 432 | struct bt_ctf_field_type *field_type = NULL; |
| 433 | |
| 434 | if (!event_class || !name) { |
| 435 | goto end; |
| 436 | } |
| 437 | |
| 438 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
| 439 | BT_CTF_TYPE_ID_STRUCT) { |
| 440 | goto end; |
| 441 | } |
| 442 | |
| 443 | name_quark = g_quark_try_string(name); |
| 444 | if (!name_quark) { |
| 445 | goto end; |
| 446 | } |
| 447 | |
| 448 | /* |
| 449 | * No need to increment field_type's reference count since getting it |
| 450 | * from the structure already does. |
| 451 | */ |
| 452 | field_type = bt_ctf_field_type_structure_get_field_type_by_name( |
| 453 | event_class->fields, name); |
| 454 | end: |
| 455 | return field_type; |
| 456 | } |
| 457 | |
| 458 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_type( |
| 459 | struct bt_ctf_event_class *event_class) |
| 460 | { |
| 461 | struct bt_ctf_field_type *context_type = NULL; |
| 462 | |
| 463 | if (!event_class || !event_class->context) { |
| 464 | goto end; |
| 465 | } |
| 466 | |
| 467 | bt_get(event_class->context); |
| 468 | context_type = event_class->context; |
| 469 | end: |
| 470 | return context_type; |
| 471 | } |
| 472 | |
| 473 | int bt_ctf_event_class_set_context_type( |
| 474 | struct bt_ctf_event_class *event_class, |
| 475 | struct bt_ctf_field_type *context) |
| 476 | { |
| 477 | int ret = 0; |
| 478 | |
| 479 | if (!event_class || !context || event_class->frozen) { |
| 480 | ret = -1; |
| 481 | goto end; |
| 482 | } |
| 483 | |
| 484 | if (bt_ctf_field_type_get_type_id(context) != BT_CTF_TYPE_ID_STRUCT) { |
| 485 | ret = -1; |
| 486 | goto end; |
| 487 | } |
| 488 | |
| 489 | bt_get(context); |
| 490 | bt_put(event_class->context); |
| 491 | event_class->context = context; |
| 492 | end: |
| 493 | return ret; |
| 494 | |
| 495 | } |
| 496 | |
| 497 | void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class) |
| 498 | { |
| 499 | bt_get(event_class); |
| 500 | } |
| 501 | |
| 502 | void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class) |
| 503 | { |
| 504 | bt_put(event_class); |
| 505 | } |
| 506 | |
| 507 | BT_HIDDEN |
| 508 | int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class, |
| 509 | uint32_t stream_id) |
| 510 | { |
| 511 | int ret = 0; |
| 512 | struct bt_value *obj; |
| 513 | |
| 514 | obj = bt_value_integer_create_init(stream_id); |
| 515 | |
| 516 | if (!obj) { |
| 517 | ret = -1; |
| 518 | goto end; |
| 519 | } |
| 520 | |
| 521 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, |
| 522 | "stream_id", obj); |
| 523 | |
| 524 | if (event_class->frozen) { |
| 525 | bt_ctf_attributes_freeze(event_class->attributes); |
| 526 | } |
| 527 | |
| 528 | end: |
| 529 | BT_PUT(obj); |
| 530 | return ret; |
| 531 | } |
| 532 | |
| 533 | static |
| 534 | void bt_ctf_event_class_destroy(struct bt_object *obj) |
| 535 | { |
| 536 | struct bt_ctf_event_class *event_class; |
| 537 | |
| 538 | event_class = container_of(obj, struct bt_ctf_event_class, base); |
| 539 | bt_ctf_attributes_destroy(event_class->attributes); |
| 540 | bt_put(event_class->context); |
| 541 | bt_put(event_class->fields); |
| 542 | g_free(event_class); |
| 543 | } |
| 544 | |
| 545 | BT_HIDDEN |
| 546 | void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class) |
| 547 | { |
| 548 | assert(event_class); |
| 549 | event_class->frozen = 1; |
| 550 | bt_ctf_field_type_freeze(event_class->context); |
| 551 | bt_ctf_field_type_freeze(event_class->fields); |
| 552 | bt_ctf_attributes_freeze(event_class->attributes); |
| 553 | } |
| 554 | |
| 555 | BT_HIDDEN |
| 556 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, |
| 557 | struct metadata_context *context) |
| 558 | { |
| 559 | int i; |
| 560 | int count; |
| 561 | int ret = 0; |
| 562 | struct bt_value *attr_value = NULL; |
| 563 | |
| 564 | assert(event_class); |
| 565 | assert(context); |
| 566 | |
| 567 | context->current_indentation_level = 1; |
| 568 | g_string_assign(context->field_name, ""); |
| 569 | g_string_append(context->string, "event {\n"); |
| 570 | count = bt_ctf_event_class_get_attribute_count(event_class); |
| 571 | |
| 572 | if (count < 0) { |
| 573 | ret = -1; |
| 574 | goto end; |
| 575 | } |
| 576 | |
| 577 | for (i = 0; i < count; ++i) { |
| 578 | const char *attr_name = NULL; |
| 579 | |
| 580 | attr_name = bt_ctf_event_class_get_attribute_name( |
| 581 | event_class, i); |
| 582 | attr_value = bt_ctf_event_class_get_attribute_value( |
| 583 | event_class, i); |
| 584 | |
| 585 | if (!attr_name || !attr_value) { |
| 586 | ret = -1; |
| 587 | goto end; |
| 588 | } |
| 589 | |
| 590 | switch (bt_value_get_type(attr_value)) { |
| 591 | case BT_VALUE_TYPE_INTEGER: |
| 592 | { |
| 593 | int64_t value; |
| 594 | |
| 595 | ret = bt_value_integer_get(attr_value, &value); |
| 596 | |
| 597 | if (ret) { |
| 598 | goto end; |
| 599 | } |
| 600 | |
| 601 | g_string_append_printf(context->string, |
| 602 | "\t%s = %" PRId64 ";\n", attr_name, value); |
| 603 | break; |
| 604 | } |
| 605 | |
| 606 | case BT_VALUE_TYPE_STRING: |
| 607 | { |
| 608 | const char *value; |
| 609 | |
| 610 | ret = bt_value_string_get(attr_value, &value); |
| 611 | |
| 612 | if (ret) { |
| 613 | goto end; |
| 614 | } |
| 615 | |
| 616 | g_string_append_printf(context->string, |
| 617 | "\t%s = \"%s\";\n", attr_name, value); |
| 618 | break; |
| 619 | } |
| 620 | |
| 621 | default: |
| 622 | /* should never happen */ |
| 623 | assert(false); |
| 624 | break; |
| 625 | } |
| 626 | |
| 627 | BT_PUT(attr_value); |
| 628 | } |
| 629 | |
| 630 | if (event_class->context) { |
| 631 | g_string_append(context->string, "\tcontext := "); |
| 632 | ret = bt_ctf_field_type_serialize(event_class->context, |
| 633 | context); |
| 634 | if (ret) { |
| 635 | goto end; |
| 636 | } |
| 637 | g_string_append(context->string, ";\n"); |
| 638 | } |
| 639 | |
| 640 | if (event_class->fields) { |
| 641 | g_string_append(context->string, "\tfields := "); |
| 642 | ret = bt_ctf_field_type_serialize(event_class->fields, context); |
| 643 | if (ret) { |
| 644 | goto end; |
| 645 | } |
| 646 | g_string_append(context->string, ";\n"); |
| 647 | } |
| 648 | |
| 649 | g_string_append(context->string, "};\n\n"); |
| 650 | end: |
| 651 | context->current_indentation_level = 0; |
| 652 | BT_PUT(attr_value); |
| 653 | return ret; |
| 654 | } |
| 655 | |
| 656 | void bt_ctf_event_class_set_native_byte_order( |
| 657 | struct bt_ctf_event_class *event_class, |
| 658 | int byte_order) |
| 659 | { |
| 660 | if (!event_class) { |
| 661 | return; |
| 662 | } |
| 663 | |
| 664 | assert(byte_order == 0 || byte_order == LITTLE_ENDIAN || |
| 665 | byte_order == BIG_ENDIAN); |
| 666 | |
| 667 | bt_ctf_field_type_set_native_byte_order(event_class->context, |
| 668 | byte_order); |
| 669 | bt_ctf_field_type_set_native_byte_order(event_class->fields, |
| 670 | byte_order); |
| 671 | } |