| 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-internal.h> |
| 41 | #include <babeltrace/endian-internal.h> |
| 42 | #include <inttypes.h> |
| 43 | |
| 44 | static |
| 45 | void bt_ctf_event_class_destroy(struct bt_object *obj); |
| 46 | |
| 47 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) |
| 48 | { |
| 49 | int ret; |
| 50 | struct bt_value *obj = NULL; |
| 51 | struct bt_ctf_event_class *event_class = NULL; |
| 52 | |
| 53 | if (bt_ctf_validate_identifier(name)) { |
| 54 | goto error; |
| 55 | } |
| 56 | |
| 57 | event_class = g_new0(struct bt_ctf_event_class, 1); |
| 58 | if (!event_class) { |
| 59 | goto error; |
| 60 | } |
| 61 | |
| 62 | event_class->id = -1; |
| 63 | bt_object_init(event_class, bt_ctf_event_class_destroy); |
| 64 | event_class->fields = bt_ctf_field_type_structure_create(); |
| 65 | if (!event_class->fields) { |
| 66 | goto error; |
| 67 | } |
| 68 | |
| 69 | event_class->attributes = bt_ctf_attributes_create(); |
| 70 | if (!event_class->attributes) { |
| 71 | goto error; |
| 72 | } |
| 73 | |
| 74 | obj = bt_value_integer_create_init(-1); |
| 75 | if (!obj) { |
| 76 | goto error; |
| 77 | } |
| 78 | |
| 79 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, |
| 80 | "id", obj); |
| 81 | if (ret) { |
| 82 | goto error; |
| 83 | } |
| 84 | |
| 85 | BT_PUT(obj); |
| 86 | |
| 87 | obj = bt_value_string_create_init(name); |
| 88 | if (!obj) { |
| 89 | goto error; |
| 90 | } |
| 91 | |
| 92 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, |
| 93 | "name", obj); |
| 94 | if (ret) { |
| 95 | goto error; |
| 96 | } |
| 97 | |
| 98 | BT_PUT(obj); |
| 99 | |
| 100 | return event_class; |
| 101 | |
| 102 | error: |
| 103 | BT_PUT(event_class); |
| 104 | BT_PUT(obj); |
| 105 | return event_class; |
| 106 | } |
| 107 | |
| 108 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) |
| 109 | { |
| 110 | struct bt_value *obj = NULL; |
| 111 | const char *name = NULL; |
| 112 | |
| 113 | if (!event_class) { |
| 114 | goto end; |
| 115 | } |
| 116 | |
| 117 | if (event_class->name) { |
| 118 | name = event_class->name; |
| 119 | goto end; |
| 120 | } |
| 121 | |
| 122 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
| 123 | BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX); |
| 124 | if (!obj) { |
| 125 | goto end; |
| 126 | } |
| 127 | |
| 128 | if (bt_value_string_get(obj, &name)) { |
| 129 | name = NULL; |
| 130 | } |
| 131 | |
| 132 | end: |
| 133 | BT_PUT(obj); |
| 134 | return name; |
| 135 | } |
| 136 | |
| 137 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) |
| 138 | { |
| 139 | struct bt_value *obj = NULL; |
| 140 | int64_t ret = 0; |
| 141 | |
| 142 | if (!event_class) { |
| 143 | ret = -1; |
| 144 | goto end; |
| 145 | } |
| 146 | |
| 147 | if (event_class->id >= 0) { |
| 148 | ret = event_class->id; |
| 149 | goto end; |
| 150 | } |
| 151 | |
| 152 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
| 153 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); |
| 154 | if (!obj) { |
| 155 | goto end; |
| 156 | } |
| 157 | |
| 158 | if (bt_value_integer_get(obj, &ret)) { |
| 159 | ret = -1; |
| 160 | } |
| 161 | |
| 162 | if (ret < 0) { |
| 163 | /* means ID is not set */ |
| 164 | ret = -1; |
| 165 | goto end; |
| 166 | } |
| 167 | |
| 168 | end: |
| 169 | BT_PUT(obj); |
| 170 | return ret; |
| 171 | } |
| 172 | |
| 173 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, |
| 174 | uint32_t id) |
| 175 | { |
| 176 | int ret = 0; |
| 177 | struct bt_value *obj = NULL; |
| 178 | struct bt_ctf_stream_class *stream_class = NULL; |
| 179 | |
| 180 | |
| 181 | if (!event_class) { |
| 182 | ret = -1; |
| 183 | goto end; |
| 184 | } |
| 185 | |
| 186 | stream_class = bt_ctf_event_class_get_stream_class(event_class); |
| 187 | if (stream_class) { |
| 188 | /* |
| 189 | * We don't allow changing the id if the event class has already |
| 190 | * been added to a stream class. |
| 191 | */ |
| 192 | ret = -1; |
| 193 | goto end; |
| 194 | } |
| 195 | |
| 196 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
| 197 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); |
| 198 | if (!obj) { |
| 199 | goto end; |
| 200 | } |
| 201 | |
| 202 | if (bt_value_integer_set(obj, id)) { |
| 203 | ret = -1; |
| 204 | goto end; |
| 205 | } |
| 206 | |
| 207 | end: |
| 208 | BT_PUT(obj); |
| 209 | BT_PUT(stream_class); |
| 210 | return ret; |
| 211 | } |
| 212 | |
| 213 | int bt_ctf_event_class_set_attribute( |
| 214 | struct bt_ctf_event_class *event_class, const char *name, |
| 215 | struct bt_value *value) |
| 216 | { |
| 217 | int ret = 0; |
| 218 | |
| 219 | if (!event_class || !name || !value || event_class->frozen) { |
| 220 | ret = -1; |
| 221 | goto end; |
| 222 | } |
| 223 | |
| 224 | if (!strcmp(name, "id") || !strcmp(name, "loglevel") || |
| 225 | !strcmp(name, "stream_id")) { |
| 226 | if (!bt_value_is_integer(value)) { |
| 227 | ret = -1; |
| 228 | goto end; |
| 229 | } |
| 230 | } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri") || |
| 231 | !strcmp(name, "loglevel_string")) { |
| 232 | if (!bt_value_is_string(value)) { |
| 233 | ret = -1; |
| 234 | goto end; |
| 235 | } |
| 236 | } else { |
| 237 | /* unknown attribute */ |
| 238 | ret = -1; |
| 239 | goto end; |
| 240 | } |
| 241 | |
| 242 | /* "id" special case: >= 0 */ |
| 243 | if (!strcmp(name, "id")) { |
| 244 | int64_t val; |
| 245 | |
| 246 | ret = bt_value_integer_get(value, &val); |
| 247 | |
| 248 | if (ret) { |
| 249 | goto end; |
| 250 | } |
| 251 | |
| 252 | if (val < 0) { |
| 253 | ret = -1; |
| 254 | goto end; |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, |
| 259 | name, value); |
| 260 | |
| 261 | end: |
| 262 | return ret; |
| 263 | } |
| 264 | |
| 265 | int64_t bt_ctf_event_class_get_attribute_count( |
| 266 | struct bt_ctf_event_class *event_class) |
| 267 | { |
| 268 | int64_t ret = 0; |
| 269 | |
| 270 | if (!event_class) { |
| 271 | ret = -1; |
| 272 | goto end; |
| 273 | } |
| 274 | |
| 275 | ret = bt_ctf_attributes_get_count(event_class->attributes); |
| 276 | |
| 277 | end: |
| 278 | return ret; |
| 279 | } |
| 280 | |
| 281 | const char * |
| 282 | bt_ctf_event_class_get_attribute_name( |
| 283 | struct bt_ctf_event_class *event_class, int index) |
| 284 | { |
| 285 | const char *ret; |
| 286 | |
| 287 | if (!event_class) { |
| 288 | ret = NULL; |
| 289 | goto end; |
| 290 | } |
| 291 | |
| 292 | ret = bt_ctf_attributes_get_field_name(event_class->attributes, index); |
| 293 | |
| 294 | end: |
| 295 | return ret; |
| 296 | } |
| 297 | |
| 298 | struct bt_value * |
| 299 | bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class, |
| 300 | int index) |
| 301 | { |
| 302 | struct bt_value *ret; |
| 303 | |
| 304 | if (!event_class) { |
| 305 | ret = NULL; |
| 306 | goto end; |
| 307 | } |
| 308 | |
| 309 | ret = bt_ctf_attributes_get_field_value(event_class->attributes, index); |
| 310 | |
| 311 | end: |
| 312 | return ret; |
| 313 | } |
| 314 | |
| 315 | struct bt_value * |
| 316 | bt_ctf_event_class_get_attribute_value_by_name( |
| 317 | struct bt_ctf_event_class *event_class, const char *name) |
| 318 | { |
| 319 | struct bt_value *ret; |
| 320 | |
| 321 | if (!event_class || !name) { |
| 322 | ret = NULL; |
| 323 | goto end; |
| 324 | } |
| 325 | |
| 326 | ret = bt_ctf_attributes_get_field_value_by_name(event_class->attributes, |
| 327 | name); |
| 328 | |
| 329 | end: |
| 330 | return ret; |
| 331 | |
| 332 | } |
| 333 | |
| 334 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( |
| 335 | struct bt_ctf_event_class *event_class) |
| 336 | { |
| 337 | return event_class ? |
| 338 | bt_get(bt_ctf_event_class_borrow_stream_class(event_class)) : |
| 339 | NULL; |
| 340 | } |
| 341 | |
| 342 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type( |
| 343 | struct bt_ctf_event_class *event_class) |
| 344 | { |
| 345 | struct bt_ctf_field_type *payload = NULL; |
| 346 | |
| 347 | if (!event_class) { |
| 348 | goto end; |
| 349 | } |
| 350 | |
| 351 | bt_get(event_class->fields); |
| 352 | payload = event_class->fields; |
| 353 | end: |
| 354 | return payload; |
| 355 | } |
| 356 | |
| 357 | int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class, |
| 358 | struct bt_ctf_field_type *payload) |
| 359 | { |
| 360 | int ret = 0; |
| 361 | |
| 362 | if (!event_class) { |
| 363 | ret = -1; |
| 364 | goto end; |
| 365 | } |
| 366 | |
| 367 | if (payload && bt_ctf_field_type_get_type_id(payload) != |
| 368 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 369 | ret = -1; |
| 370 | goto end; |
| 371 | } |
| 372 | |
| 373 | bt_put(event_class->fields); |
| 374 | event_class->fields = bt_get(payload); |
| 375 | end: |
| 376 | return ret; |
| 377 | } |
| 378 | |
| 379 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, |
| 380 | struct bt_ctf_field_type *type, |
| 381 | const char *name) |
| 382 | { |
| 383 | int ret = 0; |
| 384 | |
| 385 | if (!event_class || !type || bt_ctf_validate_identifier(name) || |
| 386 | event_class->frozen) { |
| 387 | ret = -1; |
| 388 | goto end; |
| 389 | } |
| 390 | |
| 391 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
| 392 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 393 | ret = -1; |
| 394 | goto end; |
| 395 | } |
| 396 | |
| 397 | ret = bt_ctf_field_type_structure_add_field(event_class->fields, |
| 398 | type, name); |
| 399 | end: |
| 400 | return ret; |
| 401 | } |
| 402 | |
| 403 | int64_t bt_ctf_event_class_get_field_count( |
| 404 | struct bt_ctf_event_class *event_class) |
| 405 | { |
| 406 | int64_t ret; |
| 407 | |
| 408 | if (!event_class) { |
| 409 | ret = -1; |
| 410 | goto end; |
| 411 | } |
| 412 | |
| 413 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
| 414 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 415 | ret = -1; |
| 416 | goto end; |
| 417 | } |
| 418 | |
| 419 | ret = bt_ctf_field_type_structure_get_field_count(event_class->fields); |
| 420 | end: |
| 421 | return ret; |
| 422 | } |
| 423 | |
| 424 | int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class, |
| 425 | const char **field_name, struct bt_ctf_field_type **field_type, |
| 426 | int index) |
| 427 | { |
| 428 | int ret; |
| 429 | |
| 430 | if (!event_class || index < 0) { |
| 431 | ret = -1; |
| 432 | goto end; |
| 433 | } |
| 434 | |
| 435 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
| 436 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 437 | ret = -1; |
| 438 | goto end; |
| 439 | } |
| 440 | |
| 441 | ret = bt_ctf_field_type_structure_get_field(event_class->fields, |
| 442 | field_name, field_type, index); |
| 443 | end: |
| 444 | return ret; |
| 445 | } |
| 446 | |
| 447 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( |
| 448 | struct bt_ctf_event_class *event_class, const char *name) |
| 449 | { |
| 450 | GQuark name_quark; |
| 451 | struct bt_ctf_field_type *field_type = NULL; |
| 452 | |
| 453 | if (!event_class || !name) { |
| 454 | goto end; |
| 455 | } |
| 456 | |
| 457 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
| 458 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 459 | goto end; |
| 460 | } |
| 461 | |
| 462 | name_quark = g_quark_try_string(name); |
| 463 | if (!name_quark) { |
| 464 | goto end; |
| 465 | } |
| 466 | |
| 467 | /* |
| 468 | * No need to increment field_type's reference count since getting it |
| 469 | * from the structure already does. |
| 470 | */ |
| 471 | field_type = bt_ctf_field_type_structure_get_field_type_by_name( |
| 472 | event_class->fields, name); |
| 473 | end: |
| 474 | return field_type; |
| 475 | } |
| 476 | |
| 477 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_type( |
| 478 | struct bt_ctf_event_class *event_class) |
| 479 | { |
| 480 | struct bt_ctf_field_type *context_type = NULL; |
| 481 | |
| 482 | if (!event_class || !event_class->context) { |
| 483 | goto end; |
| 484 | } |
| 485 | |
| 486 | bt_get(event_class->context); |
| 487 | context_type = event_class->context; |
| 488 | end: |
| 489 | return context_type; |
| 490 | } |
| 491 | |
| 492 | int bt_ctf_event_class_set_context_type( |
| 493 | struct bt_ctf_event_class *event_class, |
| 494 | struct bt_ctf_field_type *context) |
| 495 | { |
| 496 | int ret = 0; |
| 497 | |
| 498 | if (!event_class || event_class->frozen) { |
| 499 | ret = -1; |
| 500 | goto end; |
| 501 | } |
| 502 | |
| 503 | if (context && bt_ctf_field_type_get_type_id(context) != |
| 504 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 505 | ret = -1; |
| 506 | goto end; |
| 507 | } |
| 508 | |
| 509 | bt_put(event_class->context); |
| 510 | event_class->context = bt_get(context); |
| 511 | end: |
| 512 | return ret; |
| 513 | |
| 514 | } |
| 515 | |
| 516 | void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class) |
| 517 | { |
| 518 | bt_get(event_class); |
| 519 | } |
| 520 | |
| 521 | void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class) |
| 522 | { |
| 523 | bt_put(event_class); |
| 524 | } |
| 525 | |
| 526 | BT_HIDDEN |
| 527 | int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class, |
| 528 | uint32_t stream_id) |
| 529 | { |
| 530 | int ret = 0; |
| 531 | struct bt_value *obj; |
| 532 | |
| 533 | obj = bt_value_integer_create_init(stream_id); |
| 534 | |
| 535 | if (!obj) { |
| 536 | ret = -1; |
| 537 | goto end; |
| 538 | } |
| 539 | |
| 540 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, |
| 541 | "stream_id", obj); |
| 542 | |
| 543 | if (event_class->frozen) { |
| 544 | bt_ctf_attributes_freeze(event_class->attributes); |
| 545 | } |
| 546 | |
| 547 | end: |
| 548 | BT_PUT(obj); |
| 549 | return ret; |
| 550 | } |
| 551 | |
| 552 | static |
| 553 | void bt_ctf_event_class_destroy(struct bt_object *obj) |
| 554 | { |
| 555 | struct bt_ctf_event_class *event_class; |
| 556 | |
| 557 | event_class = container_of(obj, struct bt_ctf_event_class, base); |
| 558 | bt_ctf_attributes_destroy(event_class->attributes); |
| 559 | bt_put(event_class->context); |
| 560 | bt_put(event_class->fields); |
| 561 | g_free(event_class); |
| 562 | } |
| 563 | |
| 564 | BT_HIDDEN |
| 565 | void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class) |
| 566 | { |
| 567 | assert(event_class); |
| 568 | event_class->frozen = 1; |
| 569 | event_class->name = bt_ctf_event_class_get_name(event_class); |
| 570 | event_class->id = bt_ctf_event_class_get_id(event_class); |
| 571 | bt_ctf_field_type_freeze(event_class->context); |
| 572 | bt_ctf_field_type_freeze(event_class->fields); |
| 573 | bt_ctf_attributes_freeze(event_class->attributes); |
| 574 | } |
| 575 | |
| 576 | BT_HIDDEN |
| 577 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, |
| 578 | struct metadata_context *context) |
| 579 | { |
| 580 | int64_t i; |
| 581 | int64_t count; |
| 582 | int ret = 0; |
| 583 | struct bt_value *attr_value = NULL; |
| 584 | |
| 585 | assert(event_class); |
| 586 | assert(context); |
| 587 | |
| 588 | context->current_indentation_level = 1; |
| 589 | g_string_assign(context->field_name, ""); |
| 590 | g_string_append(context->string, "event {\n"); |
| 591 | count = bt_ctf_event_class_get_attribute_count(event_class); |
| 592 | |
| 593 | if (count < 0) { |
| 594 | ret = -1; |
| 595 | goto end; |
| 596 | } |
| 597 | |
| 598 | for (i = 0; i < count; ++i) { |
| 599 | const char *attr_name = NULL; |
| 600 | |
| 601 | attr_name = bt_ctf_event_class_get_attribute_name( |
| 602 | event_class, i); |
| 603 | attr_value = bt_ctf_event_class_get_attribute_value( |
| 604 | event_class, i); |
| 605 | |
| 606 | if (!attr_name || !attr_value) { |
| 607 | ret = -1; |
| 608 | goto end; |
| 609 | } |
| 610 | |
| 611 | switch (bt_value_get_type(attr_value)) { |
| 612 | case BT_VALUE_TYPE_INTEGER: |
| 613 | { |
| 614 | int64_t value; |
| 615 | |
| 616 | ret = bt_value_integer_get(attr_value, &value); |
| 617 | |
| 618 | if (ret) { |
| 619 | goto end; |
| 620 | } |
| 621 | |
| 622 | g_string_append_printf(context->string, |
| 623 | "\t%s = %" PRId64 ";\n", attr_name, value); |
| 624 | break; |
| 625 | } |
| 626 | |
| 627 | case BT_VALUE_TYPE_STRING: |
| 628 | { |
| 629 | const char *value; |
| 630 | |
| 631 | ret = bt_value_string_get(attr_value, &value); |
| 632 | |
| 633 | if (ret) { |
| 634 | goto end; |
| 635 | } |
| 636 | |
| 637 | g_string_append_printf(context->string, |
| 638 | "\t%s = \"%s\";\n", attr_name, value); |
| 639 | break; |
| 640 | } |
| 641 | |
| 642 | default: |
| 643 | /* should never happen */ |
| 644 | assert(false); |
| 645 | break; |
| 646 | } |
| 647 | |
| 648 | BT_PUT(attr_value); |
| 649 | } |
| 650 | |
| 651 | if (event_class->context) { |
| 652 | g_string_append(context->string, "\tcontext := "); |
| 653 | ret = bt_ctf_field_type_serialize(event_class->context, |
| 654 | context); |
| 655 | if (ret) { |
| 656 | goto end; |
| 657 | } |
| 658 | g_string_append(context->string, ";\n"); |
| 659 | } |
| 660 | |
| 661 | if (event_class->fields) { |
| 662 | g_string_append(context->string, "\tfields := "); |
| 663 | ret = bt_ctf_field_type_serialize(event_class->fields, context); |
| 664 | if (ret) { |
| 665 | goto end; |
| 666 | } |
| 667 | g_string_append(context->string, ";\n"); |
| 668 | } |
| 669 | |
| 670 | g_string_append(context->string, "};\n\n"); |
| 671 | end: |
| 672 | context->current_indentation_level = 0; |
| 673 | BT_PUT(attr_value); |
| 674 | return ret; |
| 675 | } |