| 1 | /* |
| 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
| 3 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@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 "STREAM-CLASS" |
| 25 | #include <babeltrace/lib-logging-internal.h> |
| 26 | |
| 27 | #include <babeltrace/assert-pre-internal.h> |
| 28 | #include <babeltrace/trace-ir/clock-class-internal.h> |
| 29 | #include <babeltrace/trace-ir/event-class-internal.h> |
| 30 | #include <babeltrace/trace-ir/field-class-internal.h> |
| 31 | #include <babeltrace/trace-ir/field-internal.h> |
| 32 | #include <babeltrace/trace-ir/stream-class-internal.h> |
| 33 | #include <babeltrace/trace-ir/trace-const.h> |
| 34 | #include <babeltrace/trace-ir/trace-internal.h> |
| 35 | #include <babeltrace/trace-ir/utils-internal.h> |
| 36 | #include <babeltrace/trace-ir/field-wrapper-internal.h> |
| 37 | #include <babeltrace/trace-ir/resolve-field-path-internal.h> |
| 38 | #include <babeltrace/compiler-internal.h> |
| 39 | #include <babeltrace/align-internal.h> |
| 40 | #include <babeltrace/endian-internal.h> |
| 41 | #include <babeltrace/assert-internal.h> |
| 42 | #include <babeltrace/property-internal.h> |
| 43 | #include <inttypes.h> |
| 44 | #include <stdint.h> |
| 45 | #include <stdbool.h> |
| 46 | |
| 47 | #define BT_ASSERT_PRE_STREAM_CLASS_HOT(_sc) \ |
| 48 | BT_ASSERT_PRE_HOT((_sc), "Stream class", ": %!+S", (_sc)) |
| 49 | |
| 50 | static |
| 51 | void destroy_stream_class(struct bt_object *obj) |
| 52 | { |
| 53 | struct bt_stream_class *stream_class = (void *) obj; |
| 54 | |
| 55 | BT_LIB_LOGD("Destroying stream class: %!+S", stream_class); |
| 56 | BT_LOGD_STR("Putting default clock class."); |
| 57 | BT_OBJECT_PUT_REF_AND_RESET(stream_class->default_clock_class); |
| 58 | |
| 59 | if (stream_class->event_classes) { |
| 60 | BT_LOGD_STR("Destroying event classes."); |
| 61 | g_ptr_array_free(stream_class->event_classes, TRUE); |
| 62 | stream_class->event_classes = NULL; |
| 63 | } |
| 64 | |
| 65 | if (stream_class->name.str) { |
| 66 | g_string_free(stream_class->name.str, TRUE); |
| 67 | stream_class->name.str = NULL; |
| 68 | stream_class->name.value = NULL; |
| 69 | } |
| 70 | |
| 71 | BT_LOGD_STR("Putting packet context field class."); |
| 72 | BT_OBJECT_PUT_REF_AND_RESET(stream_class->packet_context_fc); |
| 73 | BT_LOGD_STR("Putting event common context field class."); |
| 74 | BT_OBJECT_PUT_REF_AND_RESET(stream_class->event_common_context_fc); |
| 75 | bt_object_pool_finalize(&stream_class->packet_context_field_pool); |
| 76 | g_free(stream_class); |
| 77 | } |
| 78 | |
| 79 | static |
| 80 | void free_field_wrapper(struct bt_field_wrapper *field_wrapper, |
| 81 | struct bt_stream_class *stream_class) |
| 82 | { |
| 83 | bt_field_wrapper_destroy((void *) field_wrapper); |
| 84 | } |
| 85 | |
| 86 | BT_ASSERT_PRE_FUNC |
| 87 | static |
| 88 | bool stream_class_id_is_unique(const struct bt_trace_class *tc, uint64_t id) |
| 89 | { |
| 90 | uint64_t i; |
| 91 | bool is_unique = true; |
| 92 | |
| 93 | for (i = 0; i < tc->stream_classes->len; i++) { |
| 94 | const struct bt_stream_class *sc = |
| 95 | tc->stream_classes->pdata[i]; |
| 96 | |
| 97 | if (sc->id == id) { |
| 98 | is_unique = false; |
| 99 | goto end; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | end: |
| 104 | return is_unique; |
| 105 | } |
| 106 | |
| 107 | static |
| 108 | struct bt_stream_class *create_stream_class_with_id( |
| 109 | struct bt_trace_class *tc, uint64_t id) |
| 110 | { |
| 111 | struct bt_stream_class *stream_class = NULL; |
| 112 | int ret; |
| 113 | |
| 114 | BT_ASSERT(tc); |
| 115 | BT_ASSERT_PRE(stream_class_id_is_unique(tc, id), |
| 116 | "Duplicate stream class ID: %![tc-]+T, id=%" PRIu64, tc, id); |
| 117 | BT_LIB_LOGD("Creating stream class object: %![tc-]+T, id=%" PRIu64, |
| 118 | tc, id); |
| 119 | stream_class = g_new0(struct bt_stream_class, 1); |
| 120 | if (!stream_class) { |
| 121 | BT_LOGE_STR("Failed to allocate one stream class."); |
| 122 | goto error; |
| 123 | } |
| 124 | |
| 125 | bt_object_init_shared_with_parent(&stream_class->base, |
| 126 | destroy_stream_class); |
| 127 | |
| 128 | stream_class->name.str = g_string_new(NULL); |
| 129 | if (!stream_class->name.str) { |
| 130 | BT_LOGE_STR("Failed to allocate a GString."); |
| 131 | ret = -1; |
| 132 | goto end; |
| 133 | } |
| 134 | |
| 135 | stream_class->id = id; |
| 136 | stream_class->assigns_automatic_event_class_id = true; |
| 137 | stream_class->assigns_automatic_stream_id = true; |
| 138 | stream_class->event_classes = g_ptr_array_new_with_free_func( |
| 139 | (GDestroyNotify) bt_object_try_spec_release); |
| 140 | if (!stream_class->event_classes) { |
| 141 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
| 142 | goto error; |
| 143 | } |
| 144 | |
| 145 | ret = bt_object_pool_initialize(&stream_class->packet_context_field_pool, |
| 146 | (bt_object_pool_new_object_func) bt_field_wrapper_new, |
| 147 | (bt_object_pool_destroy_object_func) free_field_wrapper, |
| 148 | stream_class); |
| 149 | if (ret) { |
| 150 | BT_LOGE("Failed to initialize packet context field pool: ret=%d", |
| 151 | ret); |
| 152 | goto error; |
| 153 | } |
| 154 | |
| 155 | bt_object_set_parent(&stream_class->base, &tc->base); |
| 156 | g_ptr_array_add(tc->stream_classes, stream_class); |
| 157 | bt_trace_class_freeze(tc); |
| 158 | BT_LIB_LOGD("Created stream class object: %!+S", stream_class); |
| 159 | goto end; |
| 160 | |
| 161 | error: |
| 162 | BT_OBJECT_PUT_REF_AND_RESET(stream_class); |
| 163 | |
| 164 | end: |
| 165 | return stream_class; |
| 166 | } |
| 167 | |
| 168 | struct bt_stream_class *bt_stream_class_create(struct bt_trace_class *tc) |
| 169 | { |
| 170 | BT_ASSERT_PRE_NON_NULL(tc, "Trace class"); |
| 171 | BT_ASSERT_PRE(tc->assigns_automatic_stream_class_id, |
| 172 | "Trace class does not automatically assigns stream class IDs: " |
| 173 | "%![sc-]+T", tc); |
| 174 | return create_stream_class_with_id(tc, |
| 175 | (uint64_t) tc->stream_classes->len); |
| 176 | } |
| 177 | |
| 178 | struct bt_stream_class *bt_stream_class_create_with_id( |
| 179 | struct bt_trace_class *tc, uint64_t id) |
| 180 | { |
| 181 | BT_ASSERT_PRE_NON_NULL(tc, "Trace class"); |
| 182 | BT_ASSERT_PRE(!tc->assigns_automatic_stream_class_id, |
| 183 | "Trace class automatically assigns stream class IDs: " |
| 184 | "%![sc-]+T", tc); |
| 185 | return create_stream_class_with_id(tc, id); |
| 186 | } |
| 187 | |
| 188 | struct bt_trace_class *bt_stream_class_borrow_trace_class( |
| 189 | struct bt_stream_class *stream_class) |
| 190 | { |
| 191 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 192 | return bt_stream_class_borrow_trace_class_inline(stream_class); |
| 193 | } |
| 194 | |
| 195 | const struct bt_trace_class *bt_stream_class_borrow_trace_class_const( |
| 196 | const struct bt_stream_class *stream_class) |
| 197 | { |
| 198 | return bt_stream_class_borrow_trace_class((void *) stream_class); |
| 199 | } |
| 200 | |
| 201 | const char *bt_stream_class_get_name(const struct bt_stream_class *stream_class) |
| 202 | { |
| 203 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 204 | return stream_class->name.value; |
| 205 | } |
| 206 | |
| 207 | enum bt_stream_class_status bt_stream_class_set_name( |
| 208 | struct bt_stream_class *stream_class, |
| 209 | const char *name) |
| 210 | { |
| 211 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 212 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
| 213 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 214 | g_string_assign(stream_class->name.str, name); |
| 215 | stream_class->name.value = stream_class->name.str->str; |
| 216 | BT_LIB_LOGV("Set stream class's name: %!+S", stream_class); |
| 217 | return BT_STREAM_CLASS_STATUS_OK; |
| 218 | } |
| 219 | |
| 220 | uint64_t bt_stream_class_get_id(const struct bt_stream_class *stream_class) |
| 221 | { |
| 222 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 223 | return stream_class->id; |
| 224 | } |
| 225 | |
| 226 | uint64_t bt_stream_class_get_event_class_count( |
| 227 | const struct bt_stream_class *stream_class) |
| 228 | { |
| 229 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 230 | return (uint64_t) stream_class->event_classes->len; |
| 231 | } |
| 232 | |
| 233 | struct bt_event_class *bt_stream_class_borrow_event_class_by_index( |
| 234 | struct bt_stream_class *stream_class, uint64_t index) |
| 235 | { |
| 236 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 237 | BT_ASSERT_PRE_VALID_INDEX(index, stream_class->event_classes->len); |
| 238 | return g_ptr_array_index(stream_class->event_classes, index); |
| 239 | } |
| 240 | |
| 241 | const struct bt_event_class * |
| 242 | bt_stream_class_borrow_event_class_by_index_const( |
| 243 | const struct bt_stream_class *stream_class, uint64_t index) |
| 244 | { |
| 245 | return bt_stream_class_borrow_event_class_by_index( |
| 246 | (void *) stream_class, index); |
| 247 | } |
| 248 | |
| 249 | struct bt_event_class *bt_stream_class_borrow_event_class_by_id( |
| 250 | struct bt_stream_class *stream_class, uint64_t id) |
| 251 | { |
| 252 | struct bt_event_class *event_class = NULL; |
| 253 | uint64_t i; |
| 254 | |
| 255 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 256 | |
| 257 | for (i = 0; i < stream_class->event_classes->len; i++) { |
| 258 | struct bt_event_class *event_class_candidate = |
| 259 | g_ptr_array_index(stream_class->event_classes, i); |
| 260 | |
| 261 | if (event_class_candidate->id == id) { |
| 262 | event_class = event_class_candidate; |
| 263 | goto end; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | end: |
| 268 | return event_class; |
| 269 | } |
| 270 | |
| 271 | const struct bt_event_class * |
| 272 | bt_stream_class_borrow_event_class_by_id_const( |
| 273 | const struct bt_stream_class *stream_class, uint64_t id) |
| 274 | { |
| 275 | return bt_stream_class_borrow_event_class_by_id( |
| 276 | (void *) stream_class, id); |
| 277 | } |
| 278 | |
| 279 | const struct bt_field_class * |
| 280 | bt_stream_class_borrow_packet_context_field_class_const( |
| 281 | const struct bt_stream_class *stream_class) |
| 282 | { |
| 283 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 284 | return stream_class->packet_context_fc; |
| 285 | } |
| 286 | |
| 287 | struct bt_field_class * |
| 288 | bt_stream_class_borrow_packet_context_field_class( |
| 289 | struct bt_stream_class *stream_class) |
| 290 | { |
| 291 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 292 | return stream_class->packet_context_fc; |
| 293 | } |
| 294 | |
| 295 | enum bt_stream_class_status bt_stream_class_set_packet_context_field_class( |
| 296 | struct bt_stream_class *stream_class, |
| 297 | struct bt_field_class *field_class) |
| 298 | { |
| 299 | int ret; |
| 300 | struct bt_resolve_field_path_context resolve_ctx = { |
| 301 | .packet_context = field_class, |
| 302 | .event_common_context = NULL, |
| 303 | .event_specific_context = NULL, |
| 304 | .event_payload = NULL, |
| 305 | }; |
| 306 | |
| 307 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 308 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
| 309 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 310 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
| 311 | BT_FIELD_CLASS_TYPE_STRUCTURE, |
| 312 | "Packet context field class is not a structure field class: %!+F", |
| 313 | field_class); |
| 314 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); |
| 315 | if (ret) { |
| 316 | /* |
| 317 | * This is the only reason for which |
| 318 | * bt_resolve_field_paths() can fail: anything else |
| 319 | * would be because a precondition is not satisfied. |
| 320 | */ |
| 321 | ret = BT_STREAM_CLASS_STATUS_NOMEM; |
| 322 | goto end; |
| 323 | } |
| 324 | |
| 325 | bt_field_class_make_part_of_trace_class(field_class); |
| 326 | bt_object_put_ref(stream_class->packet_context_fc); |
| 327 | stream_class->packet_context_fc = field_class; |
| 328 | bt_object_get_no_null_check(stream_class->packet_context_fc); |
| 329 | bt_field_class_freeze(field_class); |
| 330 | BT_LIB_LOGV("Set stream class's packet context field class: %!+S", |
| 331 | stream_class); |
| 332 | |
| 333 | end: |
| 334 | return ret; |
| 335 | } |
| 336 | |
| 337 | const struct bt_field_class * |
| 338 | bt_stream_class_borrow_event_common_context_field_class_const( |
| 339 | const struct bt_stream_class *stream_class) |
| 340 | { |
| 341 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 342 | return stream_class->event_common_context_fc; |
| 343 | } |
| 344 | |
| 345 | struct bt_field_class * |
| 346 | bt_stream_class_borrow_event_common_context_field_class( |
| 347 | struct bt_stream_class *stream_class) |
| 348 | { |
| 349 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 350 | return stream_class->event_common_context_fc; |
| 351 | } |
| 352 | |
| 353 | enum bt_stream_class_status |
| 354 | bt_stream_class_set_event_common_context_field_class( |
| 355 | struct bt_stream_class *stream_class, |
| 356 | struct bt_field_class *field_class) |
| 357 | { |
| 358 | int ret; |
| 359 | struct bt_resolve_field_path_context resolve_ctx = { |
| 360 | .packet_context = NULL, |
| 361 | .event_common_context = field_class, |
| 362 | .event_specific_context = NULL, |
| 363 | .event_payload = NULL, |
| 364 | }; |
| 365 | |
| 366 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 367 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
| 368 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 369 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
| 370 | BT_FIELD_CLASS_TYPE_STRUCTURE, |
| 371 | "Event common context field class is not a structure field class: %!+F", |
| 372 | field_class); |
| 373 | resolve_ctx.packet_context = stream_class->packet_context_fc; |
| 374 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); |
| 375 | if (ret) { |
| 376 | /* |
| 377 | * This is the only reason for which |
| 378 | * bt_resolve_field_paths() can fail: anything else |
| 379 | * would be because a precondition is not satisfied. |
| 380 | */ |
| 381 | ret = BT_STREAM_CLASS_STATUS_NOMEM; |
| 382 | goto end; |
| 383 | } |
| 384 | |
| 385 | bt_field_class_make_part_of_trace_class(field_class); |
| 386 | bt_object_put_ref(stream_class->event_common_context_fc); |
| 387 | stream_class->event_common_context_fc = field_class; |
| 388 | bt_object_get_no_null_check(stream_class->event_common_context_fc); |
| 389 | bt_field_class_freeze(field_class); |
| 390 | BT_LIB_LOGV("Set stream class's event common context field class: %!+S", |
| 391 | stream_class); |
| 392 | |
| 393 | end: |
| 394 | return ret; |
| 395 | } |
| 396 | |
| 397 | BT_HIDDEN |
| 398 | void _bt_stream_class_freeze(const struct bt_stream_class *stream_class) |
| 399 | { |
| 400 | /* The field classes and default clock class are already frozen */ |
| 401 | BT_ASSERT(stream_class); |
| 402 | BT_LIB_LOGD("Freezing stream class: %!+S", stream_class); |
| 403 | ((struct bt_stream_class *) stream_class)->frozen = true; |
| 404 | } |
| 405 | |
| 406 | enum bt_stream_class_status bt_stream_class_set_default_clock_class( |
| 407 | struct bt_stream_class *stream_class, |
| 408 | struct bt_clock_class *clock_class) |
| 409 | { |
| 410 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 411 | BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class"); |
| 412 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 413 | bt_object_put_ref(stream_class->default_clock_class); |
| 414 | stream_class->default_clock_class = clock_class; |
| 415 | bt_object_get_no_null_check(stream_class->default_clock_class); |
| 416 | bt_clock_class_freeze(clock_class); |
| 417 | BT_LIB_LOGV("Set stream class's default clock class: %!+S", |
| 418 | stream_class); |
| 419 | return BT_STREAM_CLASS_STATUS_OK; |
| 420 | } |
| 421 | |
| 422 | struct bt_clock_class *bt_stream_class_borrow_default_clock_class( |
| 423 | struct bt_stream_class *stream_class) |
| 424 | { |
| 425 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 426 | return stream_class->default_clock_class; |
| 427 | } |
| 428 | |
| 429 | const struct bt_clock_class *bt_stream_class_borrow_default_clock_class_const( |
| 430 | const struct bt_stream_class *stream_class) |
| 431 | { |
| 432 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 433 | return stream_class->default_clock_class; |
| 434 | } |
| 435 | |
| 436 | bt_bool bt_stream_class_assigns_automatic_event_class_id( |
| 437 | const struct bt_stream_class *stream_class) |
| 438 | { |
| 439 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 440 | return (bt_bool) stream_class->assigns_automatic_event_class_id; |
| 441 | } |
| 442 | |
| 443 | void bt_stream_class_set_assigns_automatic_event_class_id( |
| 444 | struct bt_stream_class *stream_class, |
| 445 | bt_bool value) |
| 446 | { |
| 447 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 448 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 449 | stream_class->assigns_automatic_event_class_id = (bool) value; |
| 450 | BT_LIB_LOGV("Set stream class's automatic event class ID " |
| 451 | "assignment property: %!+S", stream_class); |
| 452 | } |
| 453 | |
| 454 | bt_bool bt_stream_class_packets_have_beginning_default_clock_snapshot( |
| 455 | const struct bt_stream_class *stream_class) |
| 456 | { |
| 457 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 458 | return (bt_bool) stream_class->packets_have_beginning_default_clock_snapshot; |
| 459 | } |
| 460 | |
| 461 | void bt_stream_class_set_packets_have_beginning_default_clock_snapshot( |
| 462 | struct bt_stream_class *stream_class, bt_bool value) |
| 463 | { |
| 464 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 465 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 466 | BT_ASSERT_PRE(!value || stream_class->default_clock_class, |
| 467 | "Stream class has no default clock class: %!+S", stream_class); |
| 468 | stream_class->packets_have_beginning_default_clock_snapshot = |
| 469 | (bool) value; |
| 470 | BT_LIB_LOGV("Set stream class's \"packets have default beginning " |
| 471 | "clock snapshot\" property: %!+S", stream_class); |
| 472 | } |
| 473 | |
| 474 | bt_bool bt_stream_class_packets_have_end_default_clock_snapshot( |
| 475 | const struct bt_stream_class *stream_class) |
| 476 | { |
| 477 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 478 | return (bt_bool) stream_class->packets_have_end_default_clock_snapshot; |
| 479 | } |
| 480 | |
| 481 | void bt_stream_class_set_packets_have_end_default_clock_snapshot( |
| 482 | struct bt_stream_class *stream_class, bt_bool value) |
| 483 | { |
| 484 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 485 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 486 | BT_ASSERT_PRE(!value || stream_class->default_clock_class, |
| 487 | "Stream class has no default clock class: %!+S", stream_class); |
| 488 | stream_class->packets_have_end_default_clock_snapshot = |
| 489 | (bool) value; |
| 490 | BT_LIB_LOGV("Set stream class's \"packets have default end " |
| 491 | "clock snapshot\" property: %!+S", stream_class); |
| 492 | } |
| 493 | |
| 494 | bt_bool bt_stream_class_assigns_automatic_stream_id( |
| 495 | const struct bt_stream_class *stream_class) |
| 496 | { |
| 497 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 498 | return (bt_bool) stream_class->assigns_automatic_stream_id; |
| 499 | } |
| 500 | |
| 501 | void bt_stream_class_set_supports_discarded_events( |
| 502 | struct bt_stream_class *stream_class, |
| 503 | bt_bool supports_discarded_events, |
| 504 | bt_bool with_default_clock_snapshots) |
| 505 | { |
| 506 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 507 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 508 | BT_ASSERT_PRE(supports_discarded_events || |
| 509 | !with_default_clock_snapshots, |
| 510 | "Discarded events cannot have default clock snapshots when " |
| 511 | "not supported: %!+S", stream_class); |
| 512 | BT_ASSERT_PRE(!with_default_clock_snapshots || |
| 513 | stream_class->default_clock_class, |
| 514 | "Stream class has no default clock class: %!+S", stream_class); |
| 515 | stream_class->supports_discarded_events = |
| 516 | (bool) supports_discarded_events; |
| 517 | stream_class->discarded_events_have_default_clock_snapshots = |
| 518 | (bool) with_default_clock_snapshots; |
| 519 | BT_LIB_LOGV("Set stream class's discarded events support property: " |
| 520 | "%!+S", stream_class); |
| 521 | } |
| 522 | |
| 523 | bt_bool bt_stream_class_supports_discarded_events( |
| 524 | const struct bt_stream_class *stream_class) |
| 525 | { |
| 526 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 527 | return (bt_bool) stream_class->supports_discarded_events; |
| 528 | } |
| 529 | |
| 530 | bt_bool bt_stream_class_discarded_events_have_default_clock_snapshots( |
| 531 | const struct bt_stream_class *stream_class) |
| 532 | { |
| 533 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 534 | return (bt_bool) stream_class->discarded_events_have_default_clock_snapshots; |
| 535 | } |
| 536 | |
| 537 | void bt_stream_class_set_supports_discarded_packets( |
| 538 | struct bt_stream_class *stream_class, |
| 539 | bt_bool supports_discarded_packets, |
| 540 | bt_bool with_default_clock_snapshots) |
| 541 | { |
| 542 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 543 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 544 | BT_ASSERT_PRE(supports_discarded_packets || |
| 545 | !with_default_clock_snapshots, |
| 546 | "Discarded packets cannot have default clock snapshots when " |
| 547 | "not supported: %!+S", stream_class); |
| 548 | BT_ASSERT_PRE(!with_default_clock_snapshots || |
| 549 | stream_class->default_clock_class, |
| 550 | "Stream class has no default clock class: %!+S", stream_class); |
| 551 | stream_class->supports_discarded_packets = |
| 552 | (bool) supports_discarded_packets; |
| 553 | stream_class->discarded_packets_have_default_clock_snapshots = |
| 554 | (bool) with_default_clock_snapshots; |
| 555 | BT_LIB_LOGV("Set stream class's discarded packets support property: " |
| 556 | "%!+S", stream_class); |
| 557 | } |
| 558 | |
| 559 | bt_bool bt_stream_class_supports_discarded_packets( |
| 560 | const struct bt_stream_class *stream_class) |
| 561 | { |
| 562 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 563 | return (bt_bool) stream_class->supports_discarded_packets; |
| 564 | } |
| 565 | |
| 566 | bt_bool bt_stream_class_discarded_packets_have_default_clock_snapshots( |
| 567 | const struct bt_stream_class *stream_class) |
| 568 | { |
| 569 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 570 | return (bt_bool) stream_class->discarded_packets_have_default_clock_snapshots; |
| 571 | } |
| 572 | |
| 573 | void bt_stream_class_set_assigns_automatic_stream_id( |
| 574 | struct bt_stream_class *stream_class, |
| 575 | bt_bool value) |
| 576 | { |
| 577 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| 578 | BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class); |
| 579 | stream_class->assigns_automatic_stream_id = (bool) value; |
| 580 | BT_LIB_LOGV("Set stream class's automatic stream ID " |
| 581 | "assignment property: %!+S", stream_class); |
| 582 | } |
| 583 | |
| 584 | void bt_stream_class_get_ref(const struct bt_stream_class *stream_class) |
| 585 | { |
| 586 | bt_object_get_ref(stream_class); |
| 587 | } |
| 588 | |
| 589 | void bt_stream_class_put_ref(const struct bt_stream_class *stream_class) |
| 590 | { |
| 591 | bt_object_put_ref(stream_class); |
| 592 | } |