src/lib/trace-ir/stream-class.c

   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 "LIB/STREAM-CLASS"
  25 #include "lib/logging.h"
  26
  27 #include "lib/assert-pre.h"
  28 #include <babeltrace2/trace-ir/trace-const.h>
  29 #include "compat/compiler.h"
  30 #include "common/align.h"
  31 #include "compat/endian.h"
  32 #include "common/assert.h"
  33 #include "lib/property.h"
  34 #include <inttypes.h>
  35 #include <stdint.h>
  36 #include <stdbool.h>
  37
  38 #include "clock-class.h"
  39 #include "event-class.h"
  40 #include "field-class.h"
  41 #include "field.h"
  42 #include "field-wrapper.h"
  43 #include "resolve-field-path.h"
  44 #include "stream-class.h"
  45 #include "trace.h"
  46 #include "utils.h"
  47 #include "lib/func-status.h"
  48
  49 #define BT_ASSERT_PRE_STREAM_CLASS_HOT(_sc) \
  50         BT_ASSERT_PRE_HOT((_sc), "Stream class", ": %!+S", (_sc))
  51
  52 static
  53 void destroy_stream_class(struct bt_object *obj)
  54 {
  55         struct bt_stream_class *stream_class = (void *) obj;
  56
  57         BT_LIB_LOGD("Destroying stream class: %!+S", stream_class);
  58         BT_LOGD_STR("Putting default clock class.");
  59         BT_OBJECT_PUT_REF_AND_RESET(stream_class->default_clock_class);
  60
  61         if (stream_class->event_classes) {
  62                 BT_LOGD_STR("Destroying event classes.");
  63                 g_ptr_array_free(stream_class->event_classes, TRUE);
  64                 stream_class->event_classes = NULL;
  65         }
  66
  67         if (stream_class->name.str) {
  68                 g_string_free(stream_class->name.str, TRUE);
  69                 stream_class->name.str = NULL;
  70                 stream_class->name.value = NULL;
  71         }
  72
  73         BT_LOGD_STR("Putting packet context field class.");
  74         BT_OBJECT_PUT_REF_AND_RESET(stream_class->packet_context_fc);
  75         BT_LOGD_STR("Putting event common context field class.");
  76         BT_OBJECT_PUT_REF_AND_RESET(stream_class->event_common_context_fc);
  77         bt_object_pool_finalize(&stream_class->packet_context_field_pool);
  78         g_free(stream_class);
  79 }
  80
  81 static
  82 void free_field_wrapper(struct bt_field_wrapper *field_wrapper,
  83                 struct bt_stream_class *stream_class)
  84 {
  85         bt_field_wrapper_destroy((void *) field_wrapper);
  86 }
  87
  88 BT_ASSERT_PRE_FUNC
  89 static
  90 bool stream_class_id_is_unique(const struct bt_trace_class *tc, uint64_t id)
  91 {
  92         uint64_t i;
  93         bool is_unique = true;
  94
  95         for (i = 0; i < tc->stream_classes->len; i++) {
  96                 const struct bt_stream_class *sc =
  97                         tc->stream_classes->pdata[i];
  98
  99                 if (sc->id == id) {
 100                         is_unique = false;
 101                         goto end;
 102                 }
 103         }
 104
 105 end:
 106         return is_unique;
 107 }
 108
 109 static
 110 struct bt_stream_class *create_stream_class_with_id(
 111                 struct bt_trace_class *tc, uint64_t id)
 112 {
 113         struct bt_stream_class *stream_class = NULL;
 114         int ret;
 115
 116         BT_ASSERT(tc);
 117         BT_ASSERT_PRE(stream_class_id_is_unique(tc, id),
 118                 "Duplicate stream class ID: %![tc-]+T, id=%" PRIu64, tc, id);
 119         BT_LIB_LOGD("Creating stream class object: %![tc-]+T, id=%" PRIu64,
 120                 tc, id);
 121         stream_class = g_new0(struct bt_stream_class, 1);
 122         if (!stream_class) {
 123                 BT_LOGE_STR("Failed to allocate one stream class.");
 124                 goto error;
 125         }
 126
 127         bt_object_init_shared_with_parent(&stream_class->base,
 128                 destroy_stream_class);
 129
 130         stream_class->name.str = g_string_new(NULL);
 131         if (!stream_class->name.str) {
 132                 BT_LOGE_STR("Failed to allocate a GString.");
 133                 ret = -1;
 134                 goto end;
 135         }
 136
 137         stream_class->id = id;
 138         stream_class->assigns_automatic_event_class_id = true;
 139         stream_class->assigns_automatic_stream_id = true;
 140         stream_class->event_classes = g_ptr_array_new_with_free_func(
 141                 (GDestroyNotify) bt_object_try_spec_release);
 142         if (!stream_class->event_classes) {
 143                 BT_LOGE_STR("Failed to allocate a GPtrArray.");
 144                 goto error;
 145         }
 146
 147         ret = bt_object_pool_initialize(&stream_class->packet_context_field_pool,
 148                 (bt_object_pool_new_object_func) bt_field_wrapper_new,
 149                 (bt_object_pool_destroy_object_func) free_field_wrapper,
 150                 stream_class);
 151         if (ret) {
 152                 BT_LOGE("Failed to initialize packet context field pool: ret=%d",
 153                         ret);
 154                 goto error;
 155         }
 156
 157         bt_object_set_parent(&stream_class->base, &tc->base);
 158         g_ptr_array_add(tc->stream_classes, stream_class);
 159         bt_trace_class_freeze(tc);
 160         BT_LIB_LOGD("Created stream class object: %!+S", stream_class);
 161         goto end;
 162
 163 error:
 164         BT_OBJECT_PUT_REF_AND_RESET(stream_class);
 165
 166 end:
 167         return stream_class;
 168 }
 169
 170 struct bt_stream_class *bt_stream_class_create(struct bt_trace_class *tc)
 171 {
 172         BT_ASSERT_PRE_NON_NULL(tc, "Trace class");
 173         BT_ASSERT_PRE(tc->assigns_automatic_stream_class_id,
 174                 "Trace class does not automatically assigns stream class IDs: "
 175                 "%![sc-]+T", tc);
 176         return create_stream_class_with_id(tc,
 177                 (uint64_t) tc->stream_classes->len);
 178 }
 179
 180 struct bt_stream_class *bt_stream_class_create_with_id(
 181                 struct bt_trace_class *tc, uint64_t id)
 182 {
 183         BT_ASSERT_PRE_NON_NULL(tc, "Trace class");
 184         BT_ASSERT_PRE(!tc->assigns_automatic_stream_class_id,
 185                 "Trace class automatically assigns stream class IDs: "
 186                 "%![sc-]+T", tc);
 187         return create_stream_class_with_id(tc, id);
 188 }
 189
 190 struct bt_trace_class *bt_stream_class_borrow_trace_class(
 191                 struct bt_stream_class *stream_class)
 192 {
 193         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 194         return bt_stream_class_borrow_trace_class_inline(stream_class);
 195 }
 196
 197 const struct bt_trace_class *bt_stream_class_borrow_trace_class_const(
 198                 const struct bt_stream_class *stream_class)
 199 {
 200         return bt_stream_class_borrow_trace_class((void *) stream_class);
 201 }
 202
 203 const char *bt_stream_class_get_name(const struct bt_stream_class *stream_class)
 204 {
 205         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 206         return stream_class->name.value;
 207 }
 208
 209 enum bt_stream_class_set_name_status bt_stream_class_set_name(
 210                 struct bt_stream_class *stream_class,
 211                 const char *name)
 212 {
 213         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 214         BT_ASSERT_PRE_NON_NULL(name, "Name");
 215         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 216         g_string_assign(stream_class->name.str, name);
 217         stream_class->name.value = stream_class->name.str->str;
 218         BT_LIB_LOGD("Set stream class's name: %!+S", stream_class);
 219         return BT_FUNC_STATUS_OK;
 220 }
 221
 222 uint64_t bt_stream_class_get_id(const struct bt_stream_class *stream_class)
 223 {
 224         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 225         return stream_class->id;
 226 }
 227
 228 uint64_t bt_stream_class_get_event_class_count(
 229                 const struct bt_stream_class *stream_class)
 230 {
 231         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 232         return (uint64_t) stream_class->event_classes->len;
 233 }
 234
 235 struct bt_event_class *bt_stream_class_borrow_event_class_by_index(
 236                 struct bt_stream_class *stream_class, uint64_t index)
 237 {
 238         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 239         BT_ASSERT_PRE_VALID_INDEX(index, stream_class->event_classes->len);
 240         return g_ptr_array_index(stream_class->event_classes, index);
 241 }
 242
 243 const struct bt_event_class *
 244 bt_stream_class_borrow_event_class_by_index_const(
 245                 const struct bt_stream_class *stream_class, uint64_t index)
 246 {
 247         return bt_stream_class_borrow_event_class_by_index(
 248                 (void *) stream_class, index);
 249 }
 250
 251 struct bt_event_class *bt_stream_class_borrow_event_class_by_id(
 252                 struct bt_stream_class *stream_class, uint64_t id)
 253 {
 254         struct bt_event_class *event_class = NULL;
 255         uint64_t i;
 256
 257         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 258
 259         for (i = 0; i < stream_class->event_classes->len; i++) {
 260                 struct bt_event_class *event_class_candidate =
 261                         g_ptr_array_index(stream_class->event_classes, i);
 262
 263                 if (event_class_candidate->id == id) {
 264                         event_class = event_class_candidate;
 265                         goto end;
 266                 }
 267         }
 268
 269 end:
 270         return event_class;
 271 }
 272
 273 const struct bt_event_class *
 274 bt_stream_class_borrow_event_class_by_id_const(
 275                 const struct bt_stream_class *stream_class, uint64_t id)
 276 {
 277         return bt_stream_class_borrow_event_class_by_id(
 278                 (void *) stream_class, id);
 279 }
 280
 281 const struct bt_field_class *
 282 bt_stream_class_borrow_packet_context_field_class_const(
 283                 const struct bt_stream_class *stream_class)
 284 {
 285         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 286         return stream_class->packet_context_fc;
 287 }
 288
 289 struct bt_field_class *
 290 bt_stream_class_borrow_packet_context_field_class(
 291                 struct bt_stream_class *stream_class)
 292 {
 293         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 294         return stream_class->packet_context_fc;
 295 }
 296
 297 enum bt_stream_class_set_field_class_status
 298 bt_stream_class_set_packet_context_field_class(
 299                 struct bt_stream_class *stream_class,
 300                 struct bt_field_class *field_class)
 301 {
 302         int ret;
 303         struct bt_resolve_field_path_context resolve_ctx = {
 304                 .packet_context = field_class,
 305                 .event_common_context = NULL,
 306                 .event_specific_context = NULL,
 307                 .event_payload = NULL,
 308         };
 309
 310         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 311         BT_ASSERT_PRE_NON_NULL(field_class, "Field class");
 312         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 313         BT_ASSERT_PRE(bt_field_class_get_type(field_class) ==
 314                 BT_FIELD_CLASS_TYPE_STRUCTURE,
 315                 "Packet context field class is not a structure field class: %!+F",
 316                 field_class);
 317         ret = bt_resolve_field_paths(field_class, &resolve_ctx);
 318         if (ret) {
 319                 /*
 320                  * This is the only reason for which
 321                  * bt_resolve_field_paths() can fail: anything else
 322                  * would be because a precondition is not satisfied.
 323                  */
 324                 ret = BT_FUNC_STATUS_MEMORY_ERROR;
 325                 goto end;
 326         }
 327
 328         bt_field_class_make_part_of_trace_class(field_class);
 329         bt_object_put_ref(stream_class->packet_context_fc);
 330         stream_class->packet_context_fc = field_class;
 331         bt_object_get_no_null_check(stream_class->packet_context_fc);
 332         bt_field_class_freeze(field_class);
 333         BT_LIB_LOGD("Set stream class's packet context field class: %!+S",
 334                 stream_class);
 335
 336 end:
 337         return ret;
 338 }
 339
 340 const struct bt_field_class *
 341 bt_stream_class_borrow_event_common_context_field_class_const(
 342                 const struct bt_stream_class *stream_class)
 343 {
 344         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 345         return stream_class->event_common_context_fc;
 346 }
 347
 348 struct bt_field_class *
 349 bt_stream_class_borrow_event_common_context_field_class(
 350                 struct bt_stream_class *stream_class)
 351 {
 352         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 353         return stream_class->event_common_context_fc;
 354 }
 355
 356 enum bt_stream_class_set_field_class_status
 357 bt_stream_class_set_event_common_context_field_class(
 358                 struct bt_stream_class *stream_class,
 359                 struct bt_field_class *field_class)
 360 {
 361         int ret;
 362         struct bt_resolve_field_path_context resolve_ctx = {
 363                 .packet_context = NULL,
 364                 .event_common_context = field_class,
 365                 .event_specific_context = NULL,
 366                 .event_payload = NULL,
 367         };
 368
 369         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 370         BT_ASSERT_PRE_NON_NULL(field_class, "Field class");
 371         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 372         BT_ASSERT_PRE(bt_field_class_get_type(field_class) ==
 373                 BT_FIELD_CLASS_TYPE_STRUCTURE,
 374                 "Event common context field class is not a structure field class: %!+F",
 375                 field_class);
 376         resolve_ctx.packet_context = stream_class->packet_context_fc;
 377         ret = bt_resolve_field_paths(field_class, &resolve_ctx);
 378         if (ret) {
 379                 /*
 380                  * This is the only reason for which
 381                  * bt_resolve_field_paths() can fail: anything else
 382                  * would be because a precondition is not satisfied.
 383                  */
 384                 ret = BT_FUNC_STATUS_MEMORY_ERROR;
 385                 goto end;
 386         }
 387
 388         bt_field_class_make_part_of_trace_class(field_class);
 389         bt_object_put_ref(stream_class->event_common_context_fc);
 390         stream_class->event_common_context_fc = field_class;
 391         bt_object_get_no_null_check(stream_class->event_common_context_fc);
 392         bt_field_class_freeze(field_class);
 393         BT_LIB_LOGD("Set stream class's event common context field class: %!+S",
 394                 stream_class);
 395
 396 end:
 397         return ret;
 398 }
 399
 400 BT_HIDDEN
 401 void _bt_stream_class_freeze(const struct bt_stream_class *stream_class)
 402 {
 403         /* The field classes and default clock class are already frozen */
 404         BT_ASSERT(stream_class);
 405         BT_LIB_LOGD("Freezing stream class: %!+S", stream_class);
 406         ((struct bt_stream_class *) stream_class)->frozen = true;
 407 }
 408
 409 enum bt_stream_class_set_default_clock_class_status
 410 bt_stream_class_set_default_clock_class(
 411                 struct bt_stream_class *stream_class,
 412                 struct bt_clock_class *clock_class)
 413 {
 414         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 415         BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
 416         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 417         bt_object_put_ref(stream_class->default_clock_class);
 418         stream_class->default_clock_class = clock_class;
 419         bt_object_get_no_null_check(stream_class->default_clock_class);
 420         bt_clock_class_freeze(clock_class);
 421         BT_LIB_LOGD("Set stream class's default clock class: %!+S",
 422                 stream_class);
 423         return BT_FUNC_STATUS_OK;
 424 }
 425
 426 struct bt_clock_class *bt_stream_class_borrow_default_clock_class(
 427                 struct bt_stream_class *stream_class)
 428 {
 429         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 430         return stream_class->default_clock_class;
 431 }
 432
 433 const struct bt_clock_class *bt_stream_class_borrow_default_clock_class_const(
 434                 const struct bt_stream_class *stream_class)
 435 {
 436         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 437         return stream_class->default_clock_class;
 438 }
 439
 440 bt_bool bt_stream_class_assigns_automatic_event_class_id(
 441                 const struct bt_stream_class *stream_class)
 442 {
 443         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 444         return (bt_bool) stream_class->assigns_automatic_event_class_id;
 445 }
 446
 447 void bt_stream_class_set_assigns_automatic_event_class_id(
 448                 struct bt_stream_class *stream_class,
 449                 bt_bool value)
 450 {
 451         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 452         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 453         stream_class->assigns_automatic_event_class_id = (bool) value;
 454         BT_LIB_LOGD("Set stream class's automatic event class ID "
 455                 "assignment property: %!+S", stream_class);
 456 }
 457
 458 bt_bool bt_stream_class_packets_have_beginning_default_clock_snapshot(
 459                 const struct bt_stream_class *stream_class)
 460 {
 461         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 462         return (bt_bool) stream_class->packets_have_beginning_default_clock_snapshot;
 463 }
 464
 465 void bt_stream_class_set_packets_have_beginning_default_clock_snapshot(
 466                 struct bt_stream_class *stream_class, bt_bool value)
 467 {
 468         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 469         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 470         BT_ASSERT_PRE(!value || stream_class->default_clock_class,
 471                 "Stream class has no default clock class: %!+S", stream_class);
 472         stream_class->packets_have_beginning_default_clock_snapshot =
 473                 (bool) value;
 474         BT_LIB_LOGD("Set stream class's \"packets have default beginning "
 475                 "clock snapshot\" property: %!+S", stream_class);
 476 }
 477
 478 bt_bool bt_stream_class_packets_have_end_default_clock_snapshot(
 479                 const struct bt_stream_class *stream_class)
 480 {
 481         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 482         return (bt_bool) stream_class->packets_have_end_default_clock_snapshot;
 483 }
 484
 485 void bt_stream_class_set_packets_have_end_default_clock_snapshot(
 486                 struct bt_stream_class *stream_class, bt_bool value)
 487 {
 488         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 489         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 490         BT_ASSERT_PRE(!value || stream_class->default_clock_class,
 491                 "Stream class has no default clock class: %!+S", stream_class);
 492         stream_class->packets_have_end_default_clock_snapshot =
 493                 (bool) value;
 494         BT_LIB_LOGD("Set stream class's \"packets have default end "
 495                 "clock snapshot\" property: %!+S", stream_class);
 496 }
 497
 498 bt_bool bt_stream_class_assigns_automatic_stream_id(
 499                 const struct bt_stream_class *stream_class)
 500 {
 501         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 502         return (bt_bool) stream_class->assigns_automatic_stream_id;
 503 }
 504
 505 void bt_stream_class_set_supports_discarded_events(
 506                 struct bt_stream_class *stream_class,
 507                 bt_bool supports_discarded_events,
 508                 bt_bool with_default_clock_snapshots)
 509 {
 510         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 511         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 512         BT_ASSERT_PRE(supports_discarded_events ||
 513                 !with_default_clock_snapshots,
 514                 "Discarded events cannot have default clock snapshots when "
 515                 "not supported: %!+S", stream_class);
 516         BT_ASSERT_PRE(!with_default_clock_snapshots ||
 517                 stream_class->default_clock_class,
 518                 "Stream class has no default clock class: %!+S", stream_class);
 519         stream_class->supports_discarded_events =
 520                 (bool) supports_discarded_events;
 521         stream_class->discarded_events_have_default_clock_snapshots =
 522                 (bool) with_default_clock_snapshots;
 523         BT_LIB_LOGD("Set stream class's discarded events support property: "
 524                 "%!+S", stream_class);
 525 }
 526
 527 bt_bool bt_stream_class_supports_discarded_events(
 528                 const struct bt_stream_class *stream_class)
 529 {
 530         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 531         return (bt_bool) stream_class->supports_discarded_events;
 532 }
 533
 534 bt_bool bt_stream_class_discarded_events_have_default_clock_snapshots(
 535                 const struct bt_stream_class *stream_class)
 536 {
 537         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 538         return (bt_bool) stream_class->discarded_events_have_default_clock_snapshots;
 539 }
 540
 541 void bt_stream_class_set_supports_discarded_packets(
 542                 struct bt_stream_class *stream_class,
 543                 bt_bool supports_discarded_packets,
 544                 bt_bool with_default_clock_snapshots)
 545 {
 546         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 547         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 548         BT_ASSERT_PRE(supports_discarded_packets ||
 549                 !with_default_clock_snapshots,
 550                 "Discarded packets cannot have default clock snapshots when "
 551                 "not supported: %!+S", stream_class);
 552         BT_ASSERT_PRE(!with_default_clock_snapshots ||
 553                 stream_class->default_clock_class,
 554                 "Stream class has no default clock class: %!+S", stream_class);
 555         stream_class->supports_discarded_packets =
 556                 (bool) supports_discarded_packets;
 557         stream_class->discarded_packets_have_default_clock_snapshots =
 558                 (bool) with_default_clock_snapshots;
 559         BT_LIB_LOGD("Set stream class's discarded packets support property: "
 560                 "%!+S", stream_class);
 561 }
 562
 563 bt_bool bt_stream_class_supports_discarded_packets(
 564                 const struct bt_stream_class *stream_class)
 565 {
 566         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 567         return (bt_bool) stream_class->supports_discarded_packets;
 568 }
 569
 570 bt_bool bt_stream_class_discarded_packets_have_default_clock_snapshots(
 571                 const struct bt_stream_class *stream_class)
 572 {
 573         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 574         return (bt_bool) stream_class->discarded_packets_have_default_clock_snapshots;
 575 }
 576
 577 void bt_stream_class_set_assigns_automatic_stream_id(
 578                 struct bt_stream_class *stream_class,
 579                 bt_bool value)
 580 {
 581         BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
 582         BT_ASSERT_PRE_STREAM_CLASS_HOT(stream_class);
 583         stream_class->assigns_automatic_stream_id = (bool) value;
 584         BT_LIB_LOGD("Set stream class's automatic stream ID "
 585                 "assignment property: %!+S", stream_class);
 586 }
 587
 588 void bt_stream_class_get_ref(const struct bt_stream_class *stream_class)
 589 {
 590         bt_object_get_ref(stream_class);
 591 }
 592
 593 void bt_stream_class_put_ref(const struct bt_stream_class *stream_class)
 594 {
 595         bt_object_put_ref(stream_class);
 596 }