| | 1 | /* |
| | 2 | * SPDX-License-Identifier: MIT |
| | 3 | * |
| | 4 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
| | 5 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| | 6 | */ |
| | 7 | |
| | 8 | #define BT_LOG_TAG "LIB/STREAM-CLASS" |
| | 9 | #include "lib/logging.h" |
| | 10 | |
| | 11 | #include "lib/assert-pre.h" |
| | 12 | #include <babeltrace2/trace-ir/trace.h> |
| | 13 | #include "compat/compiler.h" |
| | 14 | #include "common/align.h" |
| | 15 | #include "compat/endian.h" |
| | 16 | #include "common/assert.h" |
| | 17 | #include "lib/property.h" |
| | 18 | #include <inttypes.h> |
| | 19 | #include <stdint.h> |
| | 20 | #include <stdbool.h> |
| | 21 | |
| | 22 | #include "clock-class.h" |
| | 23 | #include "event-class.h" |
| | 24 | #include "field-class.h" |
| | 25 | #include "field.h" |
| | 26 | #include "field-wrapper.h" |
| | 27 | #include "resolve-field-path.h" |
| | 28 | #include "stream-class.h" |
| | 29 | #include "trace.h" |
| | 30 | #include "utils.h" |
| | 31 | #include "lib/value.h" |
| | 32 | #include "lib/func-status.h" |
| | 33 | |
| | 34 | #define BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(_sc) \ |
| | 35 | BT_ASSERT_PRE_DEV_HOT((_sc), "Stream class", ": %!+S", (_sc)) |
| | 36 | |
| | 37 | static |
| | 38 | void destroy_stream_class(struct bt_object *obj) |
| | 39 | { |
| | 40 | struct bt_stream_class *stream_class = (void *) obj; |
| | 41 | |
| | 42 | BT_LIB_LOGD("Destroying stream class: %!+S", stream_class); |
| | 43 | BT_LOGD_STR("Putting default clock class."); |
| | 44 | BT_OBJECT_PUT_REF_AND_RESET(stream_class->user_attributes); |
| | 45 | BT_OBJECT_PUT_REF_AND_RESET(stream_class->default_clock_class); |
| | 46 | |
| | 47 | if (stream_class->event_classes) { |
| | 48 | BT_LOGD_STR("Destroying event classes."); |
| | 49 | g_ptr_array_free(stream_class->event_classes, TRUE); |
| | 50 | stream_class->event_classes = NULL; |
| | 51 | } |
| | 52 | |
| | 53 | if (stream_class->name.str) { |
| | 54 | g_string_free(stream_class->name.str, TRUE); |
| | 55 | stream_class->name.str = NULL; |
| | 56 | stream_class->name.value = NULL; |
| | 57 | } |
| | 58 | |
| | 59 | BT_LOGD_STR("Putting packet context field class."); |
| | 60 | BT_OBJECT_PUT_REF_AND_RESET(stream_class->packet_context_fc); |
| | 61 | BT_LOGD_STR("Putting event common context field class."); |
| | 62 | BT_OBJECT_PUT_REF_AND_RESET(stream_class->event_common_context_fc); |
| | 63 | bt_object_pool_finalize(&stream_class->packet_context_field_pool); |
| | 64 | g_free(stream_class); |
| | 65 | } |
| | 66 | |
| | 67 | static |
| | 68 | void free_field_wrapper(struct bt_field_wrapper *field_wrapper, |
| | 69 | struct bt_stream_class *stream_class) |
| | 70 | { |
| | 71 | bt_field_wrapper_destroy((void *) field_wrapper); |
| | 72 | } |
| | 73 | |
| | 74 | static |
| | 75 | bool stream_class_id_is_unique(const struct bt_trace_class *tc, uint64_t id) |
| | 76 | { |
| | 77 | uint64_t i; |
| | 78 | bool is_unique = true; |
| | 79 | |
| | 80 | for (i = 0; i < tc->stream_classes->len; i++) { |
| | 81 | const struct bt_stream_class *sc = |
| | 82 | tc->stream_classes->pdata[i]; |
| | 83 | |
| | 84 | if (sc->id == id) { |
| | 85 | is_unique = false; |
| | 86 | goto end; |
| | 87 | } |
| | 88 | } |
| | 89 | |
| | 90 | end: |
| | 91 | return is_unique; |
| | 92 | } |
| | 93 | |
| | 94 | static |
| | 95 | struct bt_stream_class *create_stream_class_with_id( |
| | 96 | struct bt_trace_class *tc, uint64_t id) |
| | 97 | { |
| | 98 | struct bt_stream_class *stream_class = NULL; |
| | 99 | int ret; |
| | 100 | |
| | 101 | BT_ASSERT(tc); |
| | 102 | BT_ASSERT_PRE(stream_class_id_is_unique(tc, id), |
| | 103 | "Duplicate stream class ID: %![tc-]+T, id=%" PRIu64, tc, id); |
| | 104 | BT_LIB_LOGD("Creating stream class object: %![tc-]+T, id=%" PRIu64, |
| | 105 | tc, id); |
| | 106 | stream_class = g_new0(struct bt_stream_class, 1); |
| | 107 | if (!stream_class) { |
| | 108 | BT_LIB_LOGE_APPEND_CAUSE( |
| | 109 | "Failed to allocate one stream class."); |
| | 110 | goto error; |
| | 111 | } |
| | 112 | |
| | 113 | bt_object_init_shared_with_parent(&stream_class->base, |
| | 114 | destroy_stream_class); |
| | 115 | stream_class->user_attributes = bt_value_map_create(); |
| | 116 | if (!stream_class->user_attributes) { |
| | 117 | BT_LIB_LOGE_APPEND_CAUSE( |
| | 118 | "Failed to create a map value object."); |
| | 119 | goto error; |
| | 120 | } |
| | 121 | |
| | 122 | stream_class->name.str = g_string_new(NULL); |
| | 123 | if (!stream_class->name.str) { |
| | 124 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString."); |
| | 125 | goto error; |
| | 126 | } |
| | 127 | |
| | 128 | stream_class->id = id; |
| | 129 | stream_class->assigns_automatic_event_class_id = true; |
| | 130 | stream_class->assigns_automatic_stream_id = true; |
| | 131 | stream_class->event_classes = g_ptr_array_new_with_free_func( |
| | 132 | (GDestroyNotify) bt_object_try_spec_release); |
| | 133 | if (!stream_class->event_classes) { |
| | 134 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray."); |
| | 135 | goto error; |
| | 136 | } |
| | 137 | |
| | 138 | ret = bt_object_pool_initialize(&stream_class->packet_context_field_pool, |
| | 139 | (bt_object_pool_new_object_func) bt_field_wrapper_new, |
| | 140 | (bt_object_pool_destroy_object_func) free_field_wrapper, |
| | 141 | stream_class); |
| | 142 | if (ret) { |
| | 143 | BT_LIB_LOGE_APPEND_CAUSE( |
| | 144 | "Failed to initialize packet context field pool: ret=%d", |
| | 145 | ret); |
| | 146 | goto error; |
| | 147 | } |
| | 148 | |
| | 149 | bt_object_set_parent(&stream_class->base, &tc->base); |
| | 150 | g_ptr_array_add(tc->stream_classes, stream_class); |
| | 151 | bt_trace_class_freeze(tc); |
| | 152 | BT_LIB_LOGD("Created stream class object: %!+S", stream_class); |
| | 153 | goto end; |
| | 154 | |
| | 155 | error: |
| | 156 | BT_OBJECT_PUT_REF_AND_RESET(stream_class); |
| | 157 | |
| | 158 | end: |
| | 159 | return stream_class; |
| | 160 | } |
| | 161 | |
| | 162 | struct bt_stream_class *bt_stream_class_create(struct bt_trace_class *tc) |
| | 163 | { |
| | 164 | BT_ASSERT_PRE_NO_ERROR(); |
| | 165 | BT_ASSERT_PRE_NON_NULL(tc, "Trace class"); |
| | 166 | BT_ASSERT_PRE(tc->assigns_automatic_stream_class_id, |
| | 167 | "Trace class does not automatically assigns stream class IDs: " |
| | 168 | "%![sc-]+T", tc); |
| | 169 | return create_stream_class_with_id(tc, |
| | 170 | (uint64_t) tc->stream_classes->len); |
| | 171 | } |
| | 172 | |
| | 173 | struct bt_stream_class *bt_stream_class_create_with_id( |
| | 174 | struct bt_trace_class *tc, uint64_t id) |
| | 175 | { |
| | 176 | BT_ASSERT_PRE_NO_ERROR(); |
| | 177 | BT_ASSERT_PRE_NON_NULL(tc, "Trace class"); |
| | 178 | BT_ASSERT_PRE(!tc->assigns_automatic_stream_class_id, |
| | 179 | "Trace class automatically assigns stream class IDs: " |
| | 180 | "%![sc-]+T", tc); |
| | 181 | return create_stream_class_with_id(tc, id); |
| | 182 | } |
| | 183 | |
| | 184 | struct bt_trace_class *bt_stream_class_borrow_trace_class( |
| | 185 | struct bt_stream_class *stream_class) |
| | 186 | { |
| | 187 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 188 | return bt_stream_class_borrow_trace_class_inline(stream_class); |
| | 189 | } |
| | 190 | |
| | 191 | const struct bt_trace_class *bt_stream_class_borrow_trace_class_const( |
| | 192 | const struct bt_stream_class *stream_class) |
| | 193 | { |
| | 194 | return bt_stream_class_borrow_trace_class((void *) stream_class); |
| | 195 | } |
| | 196 | |
| | 197 | const char *bt_stream_class_get_name(const struct bt_stream_class *stream_class) |
| | 198 | { |
| | 199 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 200 | return stream_class->name.value; |
| | 201 | } |
| | 202 | |
| | 203 | enum bt_stream_class_set_name_status bt_stream_class_set_name( |
| | 204 | struct bt_stream_class *stream_class, |
| | 205 | const char *name) |
| | 206 | { |
| | 207 | BT_ASSERT_PRE_NO_ERROR(); |
| | 208 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 209 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
| | 210 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 211 | g_string_assign(stream_class->name.str, name); |
| | 212 | stream_class->name.value = stream_class->name.str->str; |
| | 213 | BT_LIB_LOGD("Set stream class's name: %!+S", stream_class); |
| | 214 | return BT_FUNC_STATUS_OK; |
| | 215 | } |
| | 216 | |
| | 217 | uint64_t bt_stream_class_get_id(const struct bt_stream_class *stream_class) |
| | 218 | { |
| | 219 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 220 | return stream_class->id; |
| | 221 | } |
| | 222 | |
| | 223 | uint64_t bt_stream_class_get_event_class_count( |
| | 224 | const struct bt_stream_class *stream_class) |
| | 225 | { |
| | 226 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 227 | return (uint64_t) stream_class->event_classes->len; |
| | 228 | } |
| | 229 | |
| | 230 | struct bt_event_class *bt_stream_class_borrow_event_class_by_index( |
| | 231 | struct bt_stream_class *stream_class, uint64_t index) |
| | 232 | { |
| | 233 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 234 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, stream_class->event_classes->len); |
| | 235 | return g_ptr_array_index(stream_class->event_classes, index); |
| | 236 | } |
| | 237 | |
| | 238 | const struct bt_event_class * |
| | 239 | bt_stream_class_borrow_event_class_by_index_const( |
| | 240 | const struct bt_stream_class *stream_class, uint64_t index) |
| | 241 | { |
| | 242 | return bt_stream_class_borrow_event_class_by_index( |
| | 243 | (void *) stream_class, index); |
| | 244 | } |
| | 245 | |
| | 246 | struct bt_event_class *bt_stream_class_borrow_event_class_by_id( |
| | 247 | struct bt_stream_class *stream_class, uint64_t id) |
| | 248 | { |
| | 249 | struct bt_event_class *event_class = NULL; |
| | 250 | uint64_t i; |
| | 251 | |
| | 252 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 253 | |
| | 254 | for (i = 0; i < stream_class->event_classes->len; i++) { |
| | 255 | struct bt_event_class *event_class_candidate = |
| | 256 | g_ptr_array_index(stream_class->event_classes, i); |
| | 257 | |
| | 258 | if (event_class_candidate->id == id) { |
| | 259 | event_class = event_class_candidate; |
| | 260 | goto end; |
| | 261 | } |
| | 262 | } |
| | 263 | |
| | 264 | end: |
| | 265 | return event_class; |
| | 266 | } |
| | 267 | |
| | 268 | const struct bt_event_class * |
| | 269 | bt_stream_class_borrow_event_class_by_id_const( |
| | 270 | const struct bt_stream_class *stream_class, uint64_t id) |
| | 271 | { |
| | 272 | return bt_stream_class_borrow_event_class_by_id( |
| | 273 | (void *) stream_class, id); |
| | 274 | } |
| | 275 | |
| | 276 | const struct bt_field_class * |
| | 277 | bt_stream_class_borrow_packet_context_field_class_const( |
| | 278 | const struct bt_stream_class *stream_class) |
| | 279 | { |
| | 280 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 281 | return stream_class->packet_context_fc; |
| | 282 | } |
| | 283 | |
| | 284 | struct bt_field_class * |
| | 285 | bt_stream_class_borrow_packet_context_field_class( |
| | 286 | struct bt_stream_class *stream_class) |
| | 287 | { |
| | 288 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 289 | return stream_class->packet_context_fc; |
| | 290 | } |
| | 291 | |
| | 292 | enum bt_stream_class_set_field_class_status |
| | 293 | bt_stream_class_set_packet_context_field_class( |
| | 294 | struct bt_stream_class *stream_class, |
| | 295 | struct bt_field_class *field_class) |
| | 296 | { |
| | 297 | int ret; |
| | 298 | struct bt_resolve_field_path_context resolve_ctx = { |
| | 299 | .packet_context = field_class, |
| | 300 | .event_common_context = NULL, |
| | 301 | .event_specific_context = NULL, |
| | 302 | .event_payload = NULL, |
| | 303 | }; |
| | 304 | |
| | 305 | BT_ASSERT_PRE_NO_ERROR(); |
| | 306 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 307 | BT_ASSERT_PRE(stream_class->supports_packets, |
| | 308 | "Stream class does not support packets: %![sc-]+S", |
| | 309 | stream_class); |
| | 310 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
| | 311 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 312 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
| | 313 | BT_FIELD_CLASS_TYPE_STRUCTURE, |
| | 314 | "Packet context field class is not a structure field class: %!+F", |
| | 315 | field_class); |
| | 316 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); |
| | 317 | if (ret) { |
| | 318 | /* |
| | 319 | * This is the only reason for which |
| | 320 | * bt_resolve_field_paths() can fail: anything else |
| | 321 | * would be because a precondition is not satisfied. |
| | 322 | */ |
| | 323 | ret = BT_FUNC_STATUS_MEMORY_ERROR; |
| | 324 | goto end; |
| | 325 | } |
| | 326 | |
| | 327 | bt_field_class_make_part_of_trace_class(field_class); |
| | 328 | bt_object_put_ref(stream_class->packet_context_fc); |
| | 329 | stream_class->packet_context_fc = field_class; |
| | 330 | bt_object_get_ref_no_null_check(stream_class->packet_context_fc); |
| | 331 | bt_field_class_freeze(field_class); |
| | 332 | BT_LIB_LOGD("Set stream class's packet context field class: %!+S", |
| | 333 | stream_class); |
| | 334 | |
| | 335 | end: |
| | 336 | return ret; |
| | 337 | } |
| | 338 | |
| | 339 | const struct bt_field_class * |
| | 340 | bt_stream_class_borrow_event_common_context_field_class_const( |
| | 341 | const struct bt_stream_class *stream_class) |
| | 342 | { |
| | 343 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 344 | return stream_class->event_common_context_fc; |
| | 345 | } |
| | 346 | |
| | 347 | struct bt_field_class * |
| | 348 | bt_stream_class_borrow_event_common_context_field_class( |
| | 349 | struct bt_stream_class *stream_class) |
| | 350 | { |
| | 351 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 352 | return stream_class->event_common_context_fc; |
| | 353 | } |
| | 354 | |
| | 355 | enum bt_stream_class_set_field_class_status |
| | 356 | bt_stream_class_set_event_common_context_field_class( |
| | 357 | struct bt_stream_class *stream_class, |
| | 358 | struct bt_field_class *field_class) |
| | 359 | { |
| | 360 | int ret; |
| | 361 | struct bt_resolve_field_path_context resolve_ctx = { |
| | 362 | .packet_context = NULL, |
| | 363 | .event_common_context = field_class, |
| | 364 | .event_specific_context = NULL, |
| | 365 | .event_payload = NULL, |
| | 366 | }; |
| | 367 | |
| | 368 | BT_ASSERT_PRE_NO_ERROR(); |
| | 369 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 370 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
| | 371 | BT_ASSERT_PRE_DEV_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_ref_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 user attributes: %!+v", |
| | 406 | stream_class->user_attributes); |
| | 407 | bt_value_freeze(stream_class->user_attributes); |
| | 408 | BT_LIB_LOGD("Freezing stream class: %!+S", stream_class); |
| | 409 | ((struct bt_stream_class *) stream_class)->frozen = true; |
| | 410 | } |
| | 411 | |
| | 412 | enum bt_stream_class_set_default_clock_class_status |
| | 413 | bt_stream_class_set_default_clock_class( |
| | 414 | struct bt_stream_class *stream_class, |
| | 415 | struct bt_clock_class *clock_class) |
| | 416 | { |
| | 417 | BT_ASSERT_PRE_NO_ERROR(); |
| | 418 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 419 | BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class"); |
| | 420 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 421 | bt_object_put_ref(stream_class->default_clock_class); |
| | 422 | stream_class->default_clock_class = clock_class; |
| | 423 | bt_object_get_ref_no_null_check(stream_class->default_clock_class); |
| | 424 | bt_clock_class_freeze(clock_class); |
| | 425 | BT_LIB_LOGD("Set stream class's default clock class: %!+S", |
| | 426 | stream_class); |
| | 427 | return BT_FUNC_STATUS_OK; |
| | 428 | } |
| | 429 | |
| | 430 | struct bt_clock_class *bt_stream_class_borrow_default_clock_class( |
| | 431 | struct bt_stream_class *stream_class) |
| | 432 | { |
| | 433 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 434 | return stream_class->default_clock_class; |
| | 435 | } |
| | 436 | |
| | 437 | const struct bt_clock_class *bt_stream_class_borrow_default_clock_class_const( |
| | 438 | const struct bt_stream_class *stream_class) |
| | 439 | { |
| | 440 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 441 | return stream_class->default_clock_class; |
| | 442 | } |
| | 443 | |
| | 444 | bt_bool bt_stream_class_assigns_automatic_event_class_id( |
| | 445 | const struct bt_stream_class *stream_class) |
| | 446 | { |
| | 447 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 448 | return (bt_bool) stream_class->assigns_automatic_event_class_id; |
| | 449 | } |
| | 450 | |
| | 451 | void bt_stream_class_set_assigns_automatic_event_class_id( |
| | 452 | struct bt_stream_class *stream_class, |
| | 453 | bt_bool value) |
| | 454 | { |
| | 455 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 456 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 457 | stream_class->assigns_automatic_event_class_id = (bool) value; |
| | 458 | BT_LIB_LOGD("Set stream class's automatic event class ID " |
| | 459 | "assignment property: %!+S", stream_class); |
| | 460 | } |
| | 461 | |
| | 462 | bt_bool bt_stream_class_assigns_automatic_stream_id( |
| | 463 | const struct bt_stream_class *stream_class) |
| | 464 | { |
| | 465 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 466 | return (bt_bool) stream_class->assigns_automatic_stream_id; |
| | 467 | } |
| | 468 | |
| | 469 | void bt_stream_class_set_supports_discarded_events( |
| | 470 | struct bt_stream_class *stream_class, |
| | 471 | bt_bool supports_discarded_events, |
| | 472 | bt_bool with_default_clock_snapshots) |
| | 473 | { |
| | 474 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 475 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 476 | BT_ASSERT_PRE(supports_discarded_events || |
| | 477 | !with_default_clock_snapshots, |
| | 478 | "Discarded events cannot have default clock snapshots when " |
| | 479 | "not supported: %!+S", stream_class); |
| | 480 | BT_ASSERT_PRE(!with_default_clock_snapshots || |
| | 481 | stream_class->default_clock_class, |
| | 482 | "Stream class has no default clock class: %!+S", stream_class); |
| | 483 | stream_class->supports_discarded_events = |
| | 484 | (bool) supports_discarded_events; |
| | 485 | stream_class->discarded_events_have_default_clock_snapshots = |
| | 486 | (bool) with_default_clock_snapshots; |
| | 487 | BT_LIB_LOGD("Set stream class's discarded events support property: " |
| | 488 | "%!+S", stream_class); |
| | 489 | } |
| | 490 | |
| | 491 | bt_bool bt_stream_class_supports_discarded_events( |
| | 492 | const struct bt_stream_class *stream_class) |
| | 493 | { |
| | 494 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 495 | return (bt_bool) stream_class->supports_discarded_events; |
| | 496 | } |
| | 497 | |
| | 498 | bt_bool bt_stream_class_discarded_events_have_default_clock_snapshots( |
| | 499 | const struct bt_stream_class *stream_class) |
| | 500 | { |
| | 501 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 502 | return (bt_bool) stream_class->discarded_events_have_default_clock_snapshots; |
| | 503 | } |
| | 504 | |
| | 505 | void bt_stream_class_set_supports_discarded_packets( |
| | 506 | struct bt_stream_class *stream_class, |
| | 507 | bt_bool supports_discarded_packets, |
| | 508 | bt_bool with_default_clock_snapshots) |
| | 509 | { |
| | 510 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 511 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 512 | BT_ASSERT_PRE(!supports_discarded_packets || |
| | 513 | stream_class->supports_packets, |
| | 514 | "Stream class does not support packets: %!+S", |
| | 515 | stream_class); |
| | 516 | BT_ASSERT_PRE(supports_discarded_packets || |
| | 517 | !with_default_clock_snapshots, |
| | 518 | "Discarded packets cannot have default clock snapshots when " |
| | 519 | "not supported: %!+S", stream_class); |
| | 520 | BT_ASSERT_PRE(!with_default_clock_snapshots || |
| | 521 | stream_class->default_clock_class, |
| | 522 | "Stream class has no default clock class: %!+S", stream_class); |
| | 523 | stream_class->supports_discarded_packets = |
| | 524 | (bool) supports_discarded_packets; |
| | 525 | stream_class->discarded_packets_have_default_clock_snapshots = |
| | 526 | (bool) with_default_clock_snapshots; |
| | 527 | BT_LIB_LOGD("Set stream class's discarded packets support property: " |
| | 528 | "%!+S", stream_class); |
| | 529 | } |
| | 530 | |
| | 531 | bt_bool bt_stream_class_supports_discarded_packets( |
| | 532 | const struct bt_stream_class *stream_class) |
| | 533 | { |
| | 534 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 535 | return (bt_bool) stream_class->supports_discarded_packets; |
| | 536 | } |
| | 537 | |
| | 538 | bt_bool bt_stream_class_discarded_packets_have_default_clock_snapshots( |
| | 539 | const struct bt_stream_class *stream_class) |
| | 540 | { |
| | 541 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 542 | return (bt_bool) stream_class->discarded_packets_have_default_clock_snapshots; |
| | 543 | } |
| | 544 | |
| | 545 | void bt_stream_class_set_supports_packets( |
| | 546 | struct bt_stream_class *stream_class, |
| | 547 | bt_bool supports_packets, |
| | 548 | bt_bool with_beginning_default_clock_snapshot, |
| | 549 | bt_bool with_end_default_clock_snapshot) |
| | 550 | { |
| | 551 | bt_bool with_default_clock_snapshot = |
| | 552 | with_beginning_default_clock_snapshot || |
| | 553 | with_end_default_clock_snapshot; |
| | 554 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 555 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 556 | BT_ASSERT_PRE(supports_packets || |
| | 557 | !with_default_clock_snapshot, |
| | 558 | "Packets cannot have default clock snapshots when " |
| | 559 | "not supported: %!+S", stream_class); |
| | 560 | BT_ASSERT_PRE(!with_default_clock_snapshot || |
| | 561 | stream_class->default_clock_class, |
| | 562 | "Stream class has no default clock class: %!+S", stream_class); |
| | 563 | BT_ASSERT_PRE(supports_packets || !stream_class->packet_context_fc, |
| | 564 | "Stream class already has a packet context field class: %!+S", |
| | 565 | stream_class); |
| | 566 | BT_ASSERT_PRE(supports_packets || |
| | 567 | !stream_class->supports_discarded_packets, |
| | 568 | "Stream class already supports discarded packets: %!+S", |
| | 569 | stream_class); |
| | 570 | stream_class->supports_packets = (bool) supports_packets; |
| | 571 | stream_class->packets_have_beginning_default_clock_snapshot = |
| | 572 | (bool) with_beginning_default_clock_snapshot; |
| | 573 | stream_class->packets_have_end_default_clock_snapshot = |
| | 574 | (bool) with_end_default_clock_snapshot; |
| | 575 | BT_LIB_LOGD("Set stream class's packets support property: %!+S", |
| | 576 | stream_class); |
| | 577 | } |
| | 578 | |
| | 579 | bt_bool bt_stream_class_supports_packets( |
| | 580 | const struct bt_stream_class *stream_class) |
| | 581 | { |
| | 582 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 583 | return (bt_bool) stream_class->supports_packets; |
| | 584 | } |
| | 585 | |
| | 586 | bt_bool bt_stream_class_packets_have_beginning_default_clock_snapshot( |
| | 587 | const struct bt_stream_class *stream_class) |
| | 588 | { |
| | 589 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 590 | return (bt_bool) stream_class->packets_have_beginning_default_clock_snapshot; |
| | 591 | } |
| | 592 | |
| | 593 | bt_bool bt_stream_class_packets_have_end_default_clock_snapshot( |
| | 594 | const struct bt_stream_class *stream_class) |
| | 595 | { |
| | 596 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 597 | return (bt_bool) stream_class->packets_have_end_default_clock_snapshot; |
| | 598 | } |
| | 599 | |
| | 600 | void bt_stream_class_set_assigns_automatic_stream_id( |
| | 601 | struct bt_stream_class *stream_class, |
| | 602 | bt_bool value) |
| | 603 | { |
| | 604 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 605 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 606 | stream_class->assigns_automatic_stream_id = (bool) value; |
| | 607 | BT_LIB_LOGD("Set stream class's automatic stream ID " |
| | 608 | "assignment property: %!+S", stream_class); |
| | 609 | } |
| | 610 | |
| | 611 | const struct bt_value *bt_stream_class_borrow_user_attributes_const( |
| | 612 | const struct bt_stream_class *stream_class) |
| | 613 | { |
| | 614 | BT_ASSERT_PRE_DEV_NON_NULL(stream_class, "Stream class"); |
| | 615 | return stream_class->user_attributes; |
| | 616 | } |
| | 617 | |
| | 618 | struct bt_value *bt_stream_class_borrow_user_attributes( |
| | 619 | struct bt_stream_class *stream_class) |
| | 620 | { |
| | 621 | return (void *) bt_stream_class_borrow_user_attributes_const( |
| | 622 | (void *) stream_class); |
| | 623 | } |
| | 624 | |
| | 625 | void bt_stream_class_set_user_attributes( |
| | 626 | struct bt_stream_class *stream_class, |
| | 627 | const struct bt_value *user_attributes) |
| | 628 | { |
| | 629 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
| | 630 | BT_ASSERT_PRE_NON_NULL(user_attributes, "User attributes"); |
| | 631 | BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP, |
| | 632 | "User attributes object is not a map value object."); |
| | 633 | BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class); |
| | 634 | bt_object_put_ref_no_null_check(stream_class->user_attributes); |
| | 635 | stream_class->user_attributes = (void *) user_attributes; |
| | 636 | bt_object_get_ref_no_null_check(stream_class->user_attributes); |
| | 637 | } |
| | 638 | |
| | 639 | void bt_stream_class_get_ref(const struct bt_stream_class *stream_class) |
| | 640 | { |
| | 641 | bt_object_get_ref(stream_class); |
| | 642 | } |
| | 643 | |
| | 644 | void bt_stream_class_put_ref(const struct bt_stream_class *stream_class) |
| | 645 | { |
| | 646 | bt_object_put_ref(stream_class); |
| | 647 | } |
projects / babeltrace.git / blame_incremental