| 1 | /* |
| 2 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 3 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 6 | * of this software and associated documentation files (the "Software"), to deal |
| 7 | * in the Software without restriction, including without limitation the rights |
| 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 9 | * copies of the Software, and to permit persons to whom the Software is |
| 10 | * furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be included in |
| 13 | * all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 21 | * SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #define BT_LOG_TAG "CTF-WRITER-EVENT-CLASS" |
| 25 | #include <babeltrace2/lib-logging-internal.h> |
| 26 | |
| 27 | #include <babeltrace2/assert-pre-internal.h> |
| 28 | #include <babeltrace2/assert-internal.h> |
| 29 | #include <babeltrace2/compiler-internal.h> |
| 30 | #include <babeltrace2/ctf-writer/attributes-internal.h> |
| 31 | #include <babeltrace2/ctf-writer/event-class-internal.h> |
| 32 | #include <babeltrace2/ctf-writer/event-internal.h> |
| 33 | #include <babeltrace2/ctf-writer/event.h> |
| 34 | #include <babeltrace2/ctf-writer/field-types-internal.h> |
| 35 | #include <babeltrace2/ctf-writer/field-types.h> |
| 36 | #include <babeltrace2/ctf-writer/fields-internal.h> |
| 37 | #include <babeltrace2/ctf-writer/stream-class-internal.h> |
| 38 | #include <babeltrace2/ctf-writer/stream-class.h> |
| 39 | #include <babeltrace2/ctf-writer/trace-internal.h> |
| 40 | #include <babeltrace2/ctf-writer/utils-internal.h> |
| 41 | #include <babeltrace2/ctf-writer/utils.h> |
| 42 | #include <babeltrace2/ctf-writer/validation-internal.h> |
| 43 | #include <babeltrace2/ctf-writer/writer-internal.h> |
| 44 | #include <babeltrace2/endian-internal.h> |
| 45 | #include <babeltrace2/ctf-writer/object.h> |
| 46 | #include <babeltrace2/types.h> |
| 47 | #include <babeltrace2/ctf-writer/values-internal.h> |
| 48 | #include <glib.h> |
| 49 | #include <inttypes.h> |
| 50 | #include <inttypes.h> |
| 51 | #include <stdlib.h> |
| 52 | |
| 53 | BT_HIDDEN |
| 54 | void bt_ctf_event_class_common_finalize(struct bt_ctf_object *obj) |
| 55 | { |
| 56 | struct bt_ctf_event_class_common *event_class; |
| 57 | |
| 58 | event_class = container_of(obj, struct bt_ctf_event_class_common, base); |
| 59 | BT_LOGD("Finalizing common event class: addr=%p, name=\"%s\", id=%" PRId64, |
| 60 | event_class, bt_ctf_event_class_common_get_name(event_class), |
| 61 | bt_ctf_event_class_common_get_id(event_class)); |
| 62 | |
| 63 | if (event_class->name) { |
| 64 | g_string_free(event_class->name, TRUE); |
| 65 | } |
| 66 | |
| 67 | if (event_class->emf_uri) { |
| 68 | g_string_free(event_class->emf_uri, TRUE); |
| 69 | } |
| 70 | |
| 71 | BT_LOGD_STR("Putting context field type."); |
| 72 | bt_ctf_object_put_ref(event_class->context_field_type); |
| 73 | BT_LOGD_STR("Putting payload field type."); |
| 74 | bt_ctf_object_put_ref(event_class->payload_field_type); |
| 75 | } |
| 76 | |
| 77 | BT_HIDDEN |
| 78 | int bt_ctf_event_class_common_initialize(struct bt_ctf_event_class_common *event_class, |
| 79 | const char *name, bt_ctf_object_release_func release_func, |
| 80 | bt_ctf_field_type_structure_create_func ft_struct_create_func) |
| 81 | { |
| 82 | int ret = 0; |
| 83 | |
| 84 | BT_LOGD("Initializing common event class object: name=\"%s\"", |
| 85 | name); |
| 86 | bt_ctf_object_init_shared_with_parent(&event_class->base, release_func); |
| 87 | event_class->payload_field_type = ft_struct_create_func(); |
| 88 | if (!event_class->payload_field_type) { |
| 89 | BT_LOGE_STR("Cannot create event class's initial payload field type object."); |
| 90 | goto error; |
| 91 | } |
| 92 | |
| 93 | event_class->id = -1; |
| 94 | event_class->name = g_string_new(name); |
| 95 | if (!event_class->name) { |
| 96 | BT_LOGE_STR("Failed to allocate a GString."); |
| 97 | goto error; |
| 98 | } |
| 99 | |
| 100 | event_class->emf_uri = g_string_new(NULL); |
| 101 | if (!event_class->emf_uri) { |
| 102 | BT_LOGE_STR("Failed to allocate a GString."); |
| 103 | goto error; |
| 104 | } |
| 105 | |
| 106 | event_class->log_level = BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED; |
| 107 | BT_LOGD("Initialized common event class object: addr=%p, name=\"%s\"", |
| 108 | event_class, bt_ctf_event_class_common_get_name(event_class)); |
| 109 | return ret; |
| 110 | |
| 111 | error: |
| 112 | ret = -1; |
| 113 | return ret; |
| 114 | } |
| 115 | |
| 116 | BT_HIDDEN |
| 117 | void bt_ctf_event_class_common_freeze(struct bt_ctf_event_class_common *event_class) |
| 118 | { |
| 119 | BT_ASSERT(event_class); |
| 120 | |
| 121 | if (event_class->frozen) { |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | BT_LOGD("Freezing event class: addr=%p, name=\"%s\", id=%" PRId64, |
| 126 | event_class, bt_ctf_event_class_common_get_name(event_class), |
| 127 | bt_ctf_event_class_common_get_id(event_class)); |
| 128 | event_class->frozen = 1; |
| 129 | BT_LOGD_STR("Freezing event class's context field type."); |
| 130 | bt_ctf_field_type_common_freeze(event_class->context_field_type); |
| 131 | BT_LOGD_STR("Freezing event class's payload field type."); |
| 132 | bt_ctf_field_type_common_freeze(event_class->payload_field_type); |
| 133 | } |
| 134 | |
| 135 | BT_HIDDEN |
| 136 | int bt_ctf_event_class_common_validate_single_clock_class( |
| 137 | struct bt_ctf_event_class_common *event_class, |
| 138 | struct bt_ctf_clock_class **expected_clock_class) |
| 139 | { |
| 140 | int ret = 0; |
| 141 | |
| 142 | BT_ASSERT(event_class); |
| 143 | BT_ASSERT(expected_clock_class); |
| 144 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
| 145 | event_class->context_field_type, |
| 146 | expected_clock_class); |
| 147 | if (ret) { |
| 148 | BT_LOGW("Event class's context field type " |
| 149 | "is not recursively mapped to the " |
| 150 | "expected clock class: " |
| 151 | "event-class-addr=%p, " |
| 152 | "event-class-name=\"%s\", " |
| 153 | "event-class-id=%" PRId64 ", " |
| 154 | "ft-addr=%p", |
| 155 | event_class, |
| 156 | bt_ctf_event_class_common_get_name(event_class), |
| 157 | event_class->id, |
| 158 | event_class->context_field_type); |
| 159 | goto end; |
| 160 | } |
| 161 | |
| 162 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
| 163 | event_class->payload_field_type, |
| 164 | expected_clock_class); |
| 165 | if (ret) { |
| 166 | BT_LOGW("Event class's payload field type " |
| 167 | "is not recursively mapped to the " |
| 168 | "expected clock class: " |
| 169 | "event-class-addr=%p, " |
| 170 | "event-class-name=\"%s\", " |
| 171 | "event-class-id=%" PRId64 ", " |
| 172 | "ft-addr=%p", |
| 173 | event_class, |
| 174 | bt_ctf_event_class_common_get_name(event_class), |
| 175 | event_class->id, |
| 176 | event_class->payload_field_type); |
| 177 | goto end; |
| 178 | } |
| 179 | |
| 180 | end: |
| 181 | return ret; |
| 182 | } |
| 183 | |
| 184 | static |
| 185 | void bt_ctf_event_class_destroy(struct bt_ctf_object *obj) |
| 186 | { |
| 187 | bt_ctf_event_class_common_finalize(obj); |
| 188 | g_free(obj); |
| 189 | } |
| 190 | |
| 191 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) |
| 192 | { |
| 193 | struct bt_ctf_event_class *ctf_event_class = NULL; |
| 194 | int ret; |
| 195 | |
| 196 | if (!name) { |
| 197 | BT_LOGW_STR("Invalid parameter: name is NULL."); |
| 198 | goto error; |
| 199 | } |
| 200 | |
| 201 | BT_LOGD("Creating event class object: name=\"%s\"", |
| 202 | name); |
| 203 | ctf_event_class = g_new0(struct bt_ctf_event_class, 1); |
| 204 | if (!ctf_event_class) { |
| 205 | BT_LOGE_STR("Failed to allocate one event class."); |
| 206 | goto error; |
| 207 | } |
| 208 | |
| 209 | ret = bt_ctf_event_class_common_initialize(BT_CTF_TO_COMMON(ctf_event_class), |
| 210 | name, bt_ctf_event_class_destroy, |
| 211 | (bt_ctf_field_type_structure_create_func) |
| 212 | bt_ctf_field_type_structure_create); |
| 213 | if (ret) { |
| 214 | goto error; |
| 215 | } |
| 216 | |
| 217 | goto end; |
| 218 | |
| 219 | error: |
| 220 | bt_ctf_object_put_ref(ctf_event_class); |
| 221 | |
| 222 | end: |
| 223 | return ctf_event_class; |
| 224 | } |
| 225 | |
| 226 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) |
| 227 | { |
| 228 | return bt_ctf_event_class_common_get_name(BT_CTF_TO_COMMON(event_class)); |
| 229 | } |
| 230 | |
| 231 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) |
| 232 | { |
| 233 | return bt_ctf_event_class_common_get_id(BT_CTF_TO_COMMON(event_class)); |
| 234 | } |
| 235 | |
| 236 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, |
| 237 | uint64_t id) |
| 238 | { |
| 239 | return bt_ctf_event_class_common_set_id(BT_CTF_TO_COMMON(event_class), id); |
| 240 | } |
| 241 | |
| 242 | enum bt_ctf_event_class_log_level bt_ctf_event_class_get_log_level( |
| 243 | struct bt_ctf_event_class *event_class) |
| 244 | { |
| 245 | return bt_ctf_event_class_common_get_log_level(BT_CTF_TO_COMMON(event_class)); |
| 246 | } |
| 247 | |
| 248 | int bt_ctf_event_class_set_log_level(struct bt_ctf_event_class *event_class, |
| 249 | enum bt_ctf_event_class_log_level log_level) |
| 250 | { |
| 251 | return bt_ctf_event_class_common_set_log_level(BT_CTF_TO_COMMON(event_class), |
| 252 | log_level); |
| 253 | } |
| 254 | |
| 255 | const char *bt_ctf_event_class_get_emf_uri( |
| 256 | struct bt_ctf_event_class *event_class) |
| 257 | { |
| 258 | return bt_ctf_event_class_common_get_emf_uri(BT_CTF_TO_COMMON(event_class)); |
| 259 | } |
| 260 | |
| 261 | int bt_ctf_event_class_set_emf_uri(struct bt_ctf_event_class *event_class, |
| 262 | const char *emf_uri) |
| 263 | { |
| 264 | return bt_ctf_event_class_common_set_emf_uri(BT_CTF_TO_COMMON(event_class), |
| 265 | emf_uri); |
| 266 | } |
| 267 | |
| 268 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( |
| 269 | struct bt_ctf_event_class *event_class) |
| 270 | { |
| 271 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
| 272 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_stream_class( |
| 273 | BT_CTF_TO_COMMON(event_class))); |
| 274 | } |
| 275 | |
| 276 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_field_type( |
| 277 | struct bt_ctf_event_class *event_class) |
| 278 | { |
| 279 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_payload_field_type( |
| 280 | BT_CTF_TO_COMMON(event_class))); |
| 281 | } |
| 282 | |
| 283 | int bt_ctf_event_class_set_payload_field_type( |
| 284 | struct bt_ctf_event_class *event_class, |
| 285 | struct bt_ctf_field_type *field_type) |
| 286 | { |
| 287 | return bt_ctf_event_class_common_set_payload_field_type( |
| 288 | BT_CTF_TO_COMMON(event_class), (void *) field_type); |
| 289 | } |
| 290 | |
| 291 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_field_type( |
| 292 | struct bt_ctf_event_class *event_class) |
| 293 | { |
| 294 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_context_field_type( |
| 295 | BT_CTF_TO_COMMON(event_class))); |
| 296 | } |
| 297 | |
| 298 | int bt_ctf_event_class_set_context_field_type( |
| 299 | struct bt_ctf_event_class *event_class, |
| 300 | struct bt_ctf_field_type *field_type) |
| 301 | { |
| 302 | return bt_ctf_event_class_common_set_context_field_type( |
| 303 | BT_CTF_TO_COMMON(event_class), (void *) field_type); |
| 304 | } |
| 305 | |
| 306 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, |
| 307 | struct bt_ctf_field_type *type, |
| 308 | const char *name) |
| 309 | { |
| 310 | int ret = 0; |
| 311 | |
| 312 | if (!event_class || !type) { |
| 313 | BT_LOGW("Invalid parameter: event class or field type is NULL: " |
| 314 | "event-class-addr=%p, field-type-addr=%p", |
| 315 | event_class, type); |
| 316 | ret = -1; |
| 317 | goto end; |
| 318 | } |
| 319 | |
| 320 | if (!bt_ctf_identifier_is_valid(name)) { |
| 321 | BT_LOGW("Invalid parameter: event class's payload field type's field name is not a valid CTF identifier: " |
| 322 | "addr=%p, name=\"%s\", id=%" PRId64 ", field-name=\"%s\"", |
| 323 | event_class, bt_ctf_event_class_get_name(event_class), |
| 324 | bt_ctf_event_class_get_id(event_class), |
| 325 | name); |
| 326 | ret = -1; |
| 327 | goto end; |
| 328 | } |
| 329 | |
| 330 | if (event_class->common.frozen) { |
| 331 | BT_LOGW("Invalid parameter: event class is frozen: " |
| 332 | "addr=%p, name=\"%s\", id=%" PRId64, |
| 333 | event_class, bt_ctf_event_class_get_name(event_class), |
| 334 | bt_ctf_event_class_get_id(event_class)); |
| 335 | ret = -1; |
| 336 | goto end; |
| 337 | } |
| 338 | |
| 339 | if (!event_class->common.payload_field_type) { |
| 340 | BT_LOGW("Event class has no payload field type: " |
| 341 | "addr=%p, name=\"%s\", id=%" PRId64, |
| 342 | event_class, bt_ctf_event_class_get_name(event_class), |
| 343 | bt_ctf_event_class_get_id(event_class)); |
| 344 | ret = -1; |
| 345 | goto end; |
| 346 | } |
| 347 | |
| 348 | BT_ASSERT(bt_ctf_field_type_common_get_type_id( |
| 349 | event_class->common.payload_field_type) == |
| 350 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
| 351 | ret = bt_ctf_field_type_structure_add_field( |
| 352 | (void *) event_class->common.payload_field_type, |
| 353 | (void *) type, name); |
| 354 | BT_LOGV("Added field to event class's payload field type: " |
| 355 | "event-class-addr=%p, event-class-name=\"%s\", " |
| 356 | "event-class-id=%" PRId64 ", field-name=\"%s\", ft-addr=%p", |
| 357 | event_class, bt_ctf_event_class_get_name(event_class), |
| 358 | bt_ctf_event_class_get_id(event_class), name, type); |
| 359 | end: |
| 360 | return ret; |
| 361 | } |
| 362 | |
| 363 | int64_t bt_ctf_event_class_get_payload_type_field_count( |
| 364 | struct bt_ctf_event_class *event_class) |
| 365 | { |
| 366 | int64_t ret; |
| 367 | |
| 368 | if (!event_class) { |
| 369 | BT_LOGW_STR("Invalid parameter: event class is NULL."); |
| 370 | ret = (int64_t) -1; |
| 371 | goto end; |
| 372 | } |
| 373 | |
| 374 | if (!event_class->common.payload_field_type) { |
| 375 | BT_LOGV("Event class has no payload field type: " |
| 376 | "addr=%p, name=\"%s\", id=%" PRId64, |
| 377 | event_class, bt_ctf_event_class_get_name(event_class), |
| 378 | bt_ctf_event_class_get_id(event_class)); |
| 379 | ret = (int64_t) -1; |
| 380 | goto end; |
| 381 | } |
| 382 | |
| 383 | BT_ASSERT(bt_ctf_field_type_common_get_type_id( |
| 384 | event_class->common.payload_field_type) == |
| 385 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
| 386 | ret = bt_ctf_field_type_common_structure_get_field_count( |
| 387 | event_class->common.payload_field_type); |
| 388 | end: |
| 389 | return ret; |
| 390 | } |
| 391 | |
| 392 | int bt_ctf_event_class_get_payload_type_field_by_index( |
| 393 | struct bt_ctf_event_class *event_class, |
| 394 | const char **field_name, struct bt_ctf_field_type **field_type, |
| 395 | uint64_t index) |
| 396 | { |
| 397 | int ret; |
| 398 | |
| 399 | if (!event_class) { |
| 400 | BT_LOGW_STR("Invalid parameter: event class is NULL."); |
| 401 | ret = -1; |
| 402 | goto end; |
| 403 | } |
| 404 | |
| 405 | if (!event_class->common.payload_field_type) { |
| 406 | BT_LOGV("Event class has no payload field type: " |
| 407 | "addr=%p, name=\"%s\", id=%" PRId64 ", index=%" PRIu64, |
| 408 | event_class, bt_ctf_event_class_get_name(event_class), |
| 409 | bt_ctf_event_class_get_id(event_class), index); |
| 410 | ret = -1; |
| 411 | goto end; |
| 412 | } |
| 413 | |
| 414 | BT_ASSERT(bt_ctf_field_type_common_get_type_id( |
| 415 | event_class->common.payload_field_type) == |
| 416 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
| 417 | ret = bt_ctf_field_type_structure_get_field_by_index( |
| 418 | (void *) event_class->common.payload_field_type, |
| 419 | field_name, (void *) field_type, index); |
| 420 | |
| 421 | end: |
| 422 | return ret; |
| 423 | } |
| 424 | |
| 425 | struct bt_ctf_field_type * |
| 426 | bt_ctf_event_class_get_payload_type_field_type_by_name( |
| 427 | struct bt_ctf_event_class *event_class, const char *name) |
| 428 | { |
| 429 | GQuark name_quark; |
| 430 | struct bt_ctf_field_type *field_type = NULL; |
| 431 | |
| 432 | if (!event_class || !name) { |
| 433 | BT_LOGW("Invalid parameter: event class or name is NULL: " |
| 434 | "event-class-addr=%p, name-addr=%p", |
| 435 | event_class, name); |
| 436 | goto end; |
| 437 | } |
| 438 | |
| 439 | if (!event_class->common.payload_field_type) { |
| 440 | BT_LOGV("Event class has no payload field type: " |
| 441 | "addr=%p, name=\"%s\", id=%" PRId64, |
| 442 | event_class, bt_ctf_event_class_get_name(event_class), |
| 443 | bt_ctf_event_class_get_id(event_class)); |
| 444 | goto end; |
| 445 | } |
| 446 | |
| 447 | BT_ASSERT(bt_ctf_field_type_common_get_type_id( |
| 448 | event_class->common.payload_field_type) == |
| 449 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
| 450 | name_quark = g_quark_try_string(name); |
| 451 | if (!name_quark) { |
| 452 | BT_LOGE("Cannot get GQuark: string=\"%s\"", name); |
| 453 | goto end; |
| 454 | } |
| 455 | |
| 456 | /* |
| 457 | * No need to increment field_type's reference count since getting it |
| 458 | * from the structure already does. |
| 459 | */ |
| 460 | field_type = (void *) |
| 461 | bt_ctf_field_type_structure_get_field_type_by_name( |
| 462 | (void *) event_class->common.payload_field_type, name); |
| 463 | |
| 464 | end: |
| 465 | return field_type; |
| 466 | } |
| 467 | |
| 468 | BT_HIDDEN |
| 469 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, |
| 470 | struct metadata_context *context) |
| 471 | { |
| 472 | int ret = 0; |
| 473 | struct bt_ctf_value *attr_value = NULL; |
| 474 | |
| 475 | BT_ASSERT(event_class); |
| 476 | BT_ASSERT(context); |
| 477 | BT_LOGD("Serializing event class's metadata: " |
| 478 | "event-class-addr=%p, event-class-name=\"%s\", " |
| 479 | "event-class-id=%" PRId64 ", metadata-context-addr=%p", |
| 480 | event_class, bt_ctf_event_class_get_name(event_class), |
| 481 | bt_ctf_event_class_get_id(event_class), context); |
| 482 | context->current_indentation_level = 1; |
| 483 | g_string_assign(context->field_name, ""); |
| 484 | g_string_append(context->string, "event {\n"); |
| 485 | |
| 486 | /* Serialize attributes */ |
| 487 | g_string_append_printf(context->string, "\tname = \"%s\";\n", |
| 488 | event_class->common.name->str); |
| 489 | BT_ASSERT(event_class->common.id >= 0); |
| 490 | g_string_append_printf(context->string, "\tid = %" PRId64 ";\n", |
| 491 | event_class->common.id); |
| 492 | g_string_append_printf(context->string, "\tstream_id = %" PRId64 ";\n", |
| 493 | bt_ctf_stream_class_common_get_id( |
| 494 | bt_ctf_event_class_common_borrow_stream_class( |
| 495 | BT_CTF_TO_COMMON(event_class)))); |
| 496 | |
| 497 | if (event_class->common.log_level != |
| 498 | BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED) { |
| 499 | g_string_append_printf(context->string, "\tloglevel = %d;\n", |
| 500 | (int) event_class->common.log_level); |
| 501 | } |
| 502 | |
| 503 | if (event_class->common.emf_uri->len > 0) { |
| 504 | g_string_append_printf(context->string, "\tmodel.emf.uri = \"%s\";\n", |
| 505 | event_class->common.emf_uri->str); |
| 506 | } |
| 507 | |
| 508 | /* Serialize context field type */ |
| 509 | if (event_class->common.context_field_type) { |
| 510 | g_string_append(context->string, "\tcontext := "); |
| 511 | BT_LOGD_STR("Serializing event class's context field type metadata."); |
| 512 | ret = bt_ctf_field_type_serialize_recursive( |
| 513 | (void *) event_class->common.context_field_type, |
| 514 | context); |
| 515 | if (ret) { |
| 516 | BT_LOGW("Cannot serialize event class's context field type's metadata: " |
| 517 | "ret=%d", ret); |
| 518 | goto end; |
| 519 | } |
| 520 | g_string_append(context->string, ";\n"); |
| 521 | } |
| 522 | |
| 523 | /* Serialize payload field type */ |
| 524 | if (event_class->common.payload_field_type) { |
| 525 | g_string_append(context->string, "\tfields := "); |
| 526 | BT_LOGD_STR("Serializing event class's payload field type metadata."); |
| 527 | ret = bt_ctf_field_type_serialize_recursive( |
| 528 | (void *) event_class->common.payload_field_type, |
| 529 | context); |
| 530 | if (ret) { |
| 531 | BT_LOGW("Cannot serialize event class's payload field type's metadata: " |
| 532 | "ret=%d", ret); |
| 533 | goto end; |
| 534 | } |
| 535 | g_string_append(context->string, ";\n"); |
| 536 | } |
| 537 | |
| 538 | g_string_append(context->string, "};\n\n"); |
| 539 | |
| 540 | end: |
| 541 | context->current_indentation_level = 0; |
| 542 | BT_CTF_OBJECT_PUT_REF_AND_RESET(attr_value); |
| 543 | return ret; |
| 544 | } |
| 545 | |
| 546 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( |
| 547 | struct bt_ctf_event_class *event_class, const char *name) |
| 548 | { |
| 549 | GQuark name_quark; |
| 550 | struct bt_ctf_field_type *field_type = NULL; |
| 551 | |
| 552 | if (!event_class || !name) { |
| 553 | BT_LOGW("Invalid parameter: event class or name is NULL: " |
| 554 | "event-class-addr=%p, name-addr=%p", |
| 555 | event_class, name); |
| 556 | goto end; |
| 557 | } |
| 558 | |
| 559 | if (!event_class->common.payload_field_type) { |
| 560 | BT_LOGV("Event class has no payload field type: " |
| 561 | "addr=%p, name=\"%s\", id=%" PRId64, |
| 562 | event_class, |
| 563 | bt_ctf_event_class_get_name(event_class), |
| 564 | bt_ctf_event_class_get_id(event_class)); |
| 565 | goto end; |
| 566 | } |
| 567 | |
| 568 | BT_ASSERT(event_class->common.payload_field_type->id == |
| 569 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
| 570 | name_quark = g_quark_try_string(name); |
| 571 | if (!name_quark) { |
| 572 | BT_LOGE("Cannot get GQuark: string=\"%s\"", name); |
| 573 | goto end; |
| 574 | } |
| 575 | |
| 576 | /* |
| 577 | * No need to increment field_type's reference count since getting it |
| 578 | * from the structure already does. |
| 579 | */ |
| 580 | field_type = bt_ctf_object_get_ref( |
| 581 | bt_ctf_field_type_common_structure_borrow_field_type_by_name( |
| 582 | event_class->common.payload_field_type, name)); |
| 583 | |
| 584 | end: |
| 585 | return field_type; |
| 586 | } |