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272df73e | 1 | /* |
f2b0325d | 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
272df73e PP |
3 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
4 | * | |
272df73e PP |
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 | ||
b03487ab | 24 | #define BT_LOG_TAG "LIB/EVENT-CLASS" |
1633ef46 | 25 | #include "lib/logging.h" |
f8b979f9 | 26 | |
57952005 | 27 | #include "lib/assert-pre.h" |
71c5da58 | 28 | #include <babeltrace2/trace-ir/field-class.h> |
71c5da58 MJ |
29 | #include <babeltrace2/trace-ir/event-class.h> |
30 | #include <babeltrace2/trace-ir/event-class-const.h> | |
71c5da58 | 31 | #include <babeltrace2/trace-ir/stream-class.h> |
57952005 MJ |
32 | #include "compat/compiler.h" |
33 | #include "compat/endian.h" | |
71c5da58 | 34 | #include <babeltrace2/types.h> |
57952005 MJ |
35 | #include "lib/value.h" |
36 | #include "common/assert.h" | |
dc3fffef | 37 | #include <inttypes.h> |
969c1d8a | 38 | #include <stdbool.h> |
0fbb9a9f | 39 | #include <stdlib.h> |
272df73e | 40 | |
57952005 MJ |
41 | #include "attributes.h" |
42 | #include "clock-snapshot.h" | |
43 | #include "event-class.h" | |
44 | #include "event.h" | |
45 | #include "field-class.h" | |
46 | #include "field.h" | |
47 | #include "resolve-field-path.h" | |
48 | #include "stream-class.h" | |
49 | #include "trace.h" | |
50 | #include "utils.h" | |
fb25b9e3 | 51 | #include "lib/func-status.h" |
57952005 | 52 | |
fa6cfec3 PP |
53 | #define BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(_ec) \ |
54 | BT_ASSERT_PRE_DEV_HOT(((const struct bt_event_class *) (_ec)), \ | |
9e550e5f | 55 | "Event class", ": %!+E", (_ec)) |
7b33a0e0 PP |
56 | |
57 | static | |
58 | void destroy_event_class(struct bt_object *obj) | |
272df73e | 59 | { |
7b33a0e0 | 60 | struct bt_event_class *event_class = (void *) obj; |
272df73e | 61 | |
7b33a0e0 | 62 | BT_LIB_LOGD("Destroying event class: %!+E", event_class); |
af90138b | 63 | BT_OBJECT_PUT_REF_AND_RESET(event_class->user_attributes); |
f8b979f9 | 64 | |
7b33a0e0 PP |
65 | if (event_class->name.str) { |
66 | g_string_free(event_class->name.str, TRUE); | |
1248f5ea | 67 | event_class->name.str = NULL; |
9cf5d083 PP |
68 | } |
69 | ||
7b33a0e0 PP |
70 | if (event_class->emf_uri.str) { |
71 | g_string_free(event_class->emf_uri.str, TRUE); | |
1248f5ea | 72 | event_class->emf_uri.str = NULL; |
272df73e PP |
73 | } |
74 | ||
66fd07a5 | 75 | BT_LOGD_STR("Putting context field class."); |
1248f5ea | 76 | BT_OBJECT_PUT_REF_AND_RESET(event_class->specific_context_fc); |
66fd07a5 | 77 | BT_LOGD_STR("Putting payload field class."); |
1248f5ea | 78 | BT_OBJECT_PUT_REF_AND_RESET(event_class->payload_fc); |
a6918753 | 79 | bt_object_pool_finalize(&event_class->event_pool); |
8deee039 | 80 | g_free(obj); |
272df73e PP |
81 | } |
82 | ||
a6918753 PP |
83 | static |
84 | void free_event(struct bt_event *event, | |
85 | struct bt_event_class *event_class) | |
86 | { | |
87 | bt_event_destroy(event); | |
88 | } | |
89 | ||
7b33a0e0 | 90 | static |
78cf9df6 PP |
91 | bool event_class_id_is_unique(const struct bt_stream_class *stream_class, |
92 | uint64_t id) | |
272df73e | 93 | { |
7b33a0e0 PP |
94 | uint64_t i; |
95 | bool is_unique = true; | |
272df73e | 96 | |
7b33a0e0 | 97 | for (i = 0; i < stream_class->event_classes->len; i++) { |
78cf9df6 | 98 | const struct bt_event_class *ec = |
7b33a0e0 PP |
99 | stream_class->event_classes->pdata[i]; |
100 | ||
101 | if (ec->id == id) { | |
102 | is_unique = false; | |
103 | goto end; | |
104 | } | |
9cf5d083 | 105 | } |
272df73e | 106 | |
7b33a0e0 PP |
107 | end: |
108 | return is_unique; | |
109 | } | |
110 | ||
111 | static | |
112 | struct bt_event_class *create_event_class_with_id( | |
113 | struct bt_stream_class *stream_class, uint64_t id) | |
114 | { | |
115 | int ret; | |
116 | struct bt_event_class *event_class; | |
117 | ||
118 | BT_ASSERT(stream_class); | |
119 | BT_ASSERT_PRE(event_class_id_is_unique(stream_class, id), | |
120 | "Duplicate event class ID: %![sc-]+S, id=%" PRIu64, | |
121 | stream_class, id); | |
122 | BT_LIB_LOGD("Creating event class object: %![sc-]+S, id=%" PRIu64, | |
123 | stream_class, id); | |
8deee039 | 124 | event_class = g_new0(struct bt_event_class, 1); |
272df73e | 125 | if (!event_class) { |
a8f90e5d | 126 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one event class."); |
8deee039 | 127 | goto error; |
272df73e PP |
128 | } |
129 | ||
7b33a0e0 PP |
130 | bt_object_init_shared_with_parent(&event_class->base, |
131 | destroy_event_class); | |
af90138b PP |
132 | event_class->user_attributes = bt_value_map_create(); |
133 | if (!event_class->user_attributes) { | |
134 | BT_LIB_LOGE_APPEND_CAUSE( | |
135 | "Failed to create a map value object."); | |
136 | goto error; | |
137 | } | |
138 | ||
7b33a0e0 PP |
139 | event_class->id = id; |
140 | bt_property_uint_init(&event_class->log_level, | |
141 | BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE, 0); | |
142 | event_class->name.str = g_string_new(NULL); | |
143 | if (!event_class->name.str) { | |
a8f90e5d | 144 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString."); |
af90138b | 145 | goto error; |
7b33a0e0 PP |
146 | } |
147 | ||
148 | event_class->emf_uri.str = g_string_new(NULL); | |
149 | if (!event_class->emf_uri.str) { | |
a8f90e5d | 150 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString."); |
af90138b | 151 | goto error; |
272df73e PP |
152 | } |
153 | ||
a6918753 PP |
154 | ret = bt_object_pool_initialize(&event_class->event_pool, |
155 | (bt_object_pool_new_object_func) bt_event_new, | |
156 | (bt_object_pool_destroy_object_func) free_event, | |
157 | event_class); | |
158 | if (ret) { | |
a8f90e5d PP |
159 | BT_LIB_LOGE_APPEND_CAUSE( |
160 | "Failed to initialize event pool: ret=%d", | |
a6918753 PP |
161 | ret); |
162 | goto error; | |
163 | } | |
164 | ||
7b33a0e0 PP |
165 | bt_object_set_parent(&event_class->base, &stream_class->base); |
166 | g_ptr_array_add(stream_class->event_classes, event_class); | |
167 | bt_stream_class_freeze(stream_class); | |
168 | BT_LIB_LOGD("Created event class object: %!+E", event_class); | |
8deee039 | 169 | goto end; |
272df73e | 170 | |
8deee039 | 171 | error: |
8138bfe1 | 172 | BT_OBJECT_PUT_REF_AND_RESET(event_class); |
272df73e PP |
173 | |
174 | end: | |
8deee039 | 175 | return event_class; |
272df73e PP |
176 | } |
177 | ||
78cf9df6 PP |
178 | struct bt_event_class *bt_event_class_create( |
179 | struct bt_stream_class *stream_class) | |
7b33a0e0 PP |
180 | { |
181 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); | |
182 | BT_ASSERT_PRE(stream_class->assigns_automatic_event_class_id, | |
183 | "Stream class does not automatically assigns event class IDs: " | |
184 | "%![sc-]+S", stream_class); | |
78cf9df6 | 185 | return create_event_class_with_id(stream_class, |
7b33a0e0 PP |
186 | (uint64_t) stream_class->event_classes->len); |
187 | } | |
188 | ||
78cf9df6 PP |
189 | struct bt_event_class *bt_event_class_create_with_id( |
190 | struct bt_stream_class *stream_class, uint64_t id) | |
7b33a0e0 PP |
191 | { |
192 | BT_ASSERT_PRE(!stream_class->assigns_automatic_event_class_id, | |
193 | "Stream class automatically assigns event class IDs: " | |
194 | "%![sc-]+S", stream_class); | |
78cf9df6 | 195 | return create_event_class_with_id(stream_class, id); |
7b33a0e0 PP |
196 | } |
197 | ||
78cf9df6 | 198 | const char *bt_event_class_get_name(const struct bt_event_class *event_class) |
272df73e | 199 | { |
fa6cfec3 | 200 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 201 | return event_class->name.value; |
272df73e PP |
202 | } |
203 | ||
fb25b9e3 | 204 | enum bt_event_class_set_name_status bt_event_class_set_name( |
4caa7d56 | 205 | struct bt_event_class *event_class, const char *name) |
272df73e | 206 | { |
18acc6f8 | 207 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 208 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
fa6cfec3 | 209 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
7b33a0e0 PP |
210 | g_string_assign(event_class->name.str, name); |
211 | event_class->name.value = event_class->name.str->str; | |
a684a357 | 212 | BT_LIB_LOGD("Set event class's name: %!+E", event_class); |
fb25b9e3 | 213 | return BT_FUNC_STATUS_OK; |
272df73e PP |
214 | } |
215 | ||
78cf9df6 | 216 | uint64_t bt_event_class_get_id(const struct bt_event_class *event_class) |
272df73e | 217 | { |
fa6cfec3 | 218 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 219 | return event_class->id; |
272df73e PP |
220 | } |
221 | ||
7b33a0e0 | 222 | enum bt_property_availability bt_event_class_get_log_level( |
78cf9df6 | 223 | const struct bt_event_class *event_class, |
7b33a0e0 | 224 | enum bt_event_class_log_level *log_level) |
272df73e | 225 | { |
fa6cfec3 PP |
226 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
227 | BT_ASSERT_PRE_DEV_NON_NULL(log_level, "Log level (output)"); | |
7b33a0e0 PP |
228 | *log_level = (enum bt_event_class_log_level) |
229 | event_class->log_level.value; | |
230 | return event_class->log_level.base.avail; | |
272df73e PP |
231 | } |
232 | ||
78cf9df6 PP |
233 | void bt_event_class_set_log_level( |
234 | struct bt_event_class *event_class, | |
8deee039 | 235 | enum bt_event_class_log_level log_level) |
272df73e | 236 | { |
7b33a0e0 | 237 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
fa6cfec3 | 238 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
7b33a0e0 PP |
239 | bt_property_uint_set(&event_class->log_level, |
240 | (uint64_t) log_level); | |
a684a357 | 241 | BT_LIB_LOGD("Set event class's log level: %!+E", event_class); |
272df73e PP |
242 | } |
243 | ||
78cf9df6 | 244 | const char *bt_event_class_get_emf_uri(const struct bt_event_class *event_class) |
272df73e | 245 | { |
fa6cfec3 | 246 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 247 | return event_class->emf_uri.value; |
272df73e PP |
248 | } |
249 | ||
fb25b9e3 | 250 | enum bt_event_class_set_emf_uri_status bt_event_class_set_emf_uri( |
78cf9df6 | 251 | struct bt_event_class *event_class, |
8deee039 | 252 | const char *emf_uri) |
272df73e | 253 | { |
7b33a0e0 PP |
254 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
255 | BT_ASSERT_PRE_NON_NULL(emf_uri, "EMF URI"); | |
fa6cfec3 | 256 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
7b33a0e0 PP |
257 | g_string_assign(event_class->emf_uri.str, emf_uri); |
258 | event_class->emf_uri.value = event_class->emf_uri.str->str; | |
a684a357 | 259 | BT_LIB_LOGD("Set event class's EMF URI: %!+E", event_class); |
fb25b9e3 | 260 | return BT_FUNC_STATUS_OK; |
272df73e PP |
261 | } |
262 | ||
5fe68922 | 263 | struct bt_stream_class *bt_event_class_borrow_stream_class( |
839d52a5 | 264 | struct bt_event_class *event_class) |
272df73e | 265 | { |
fa6cfec3 | 266 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 267 | return bt_event_class_borrow_stream_class_inline(event_class); |
272df73e PP |
268 | } |
269 | ||
78cf9df6 PP |
270 | const struct bt_stream_class * |
271 | bt_event_class_borrow_stream_class_const( | |
272 | const struct bt_event_class *event_class) | |
9e550e5f | 273 | { |
78cf9df6 | 274 | return bt_event_class_borrow_stream_class((void *) event_class); |
9e550e5f PP |
275 | } |
276 | ||
78cf9df6 PP |
277 | const struct bt_field_class * |
278 | bt_event_class_borrow_specific_context_field_class_const( | |
279 | const struct bt_event_class *event_class) | |
272df73e | 280 | { |
fa6cfec3 | 281 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
939190b3 | 282 | return event_class->specific_context_fc; |
272df73e PP |
283 | } |
284 | ||
909d0a89 PP |
285 | struct bt_field_class * |
286 | bt_event_class_borrow_specific_context_field_class( | |
287 | struct bt_event_class *event_class) | |
288 | { | |
fa6cfec3 | 289 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
909d0a89 PP |
290 | return event_class->specific_context_fc; |
291 | } | |
292 | ||
fb25b9e3 PP |
293 | enum bt_event_class_set_field_class_status |
294 | bt_event_class_set_specific_context_field_class( | |
78cf9df6 PP |
295 | struct bt_event_class *event_class, |
296 | struct bt_field_class *field_class) | |
272df73e | 297 | { |
7b33a0e0 PP |
298 | int ret; |
299 | struct bt_stream_class *stream_class; | |
7b33a0e0 | 300 | struct bt_resolve_field_path_context resolve_ctx = { |
7b33a0e0 | 301 | .packet_context = NULL, |
7b33a0e0 | 302 | .event_common_context = NULL, |
939190b3 | 303 | .event_specific_context = field_class, |
7b33a0e0 PP |
304 | .event_payload = NULL, |
305 | }; | |
18acc6f8 | 306 | |
7b33a0e0 | 307 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
939190b3 | 308 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
fa6cfec3 | 309 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
af0c18e3 PP |
310 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
311 | BT_FIELD_CLASS_TYPE_STRUCTURE, | |
66fd07a5 | 312 | "Specific context field class is not a structure field class: " |
939190b3 | 313 | "%!+F", field_class); |
7b33a0e0 PP |
314 | stream_class = bt_event_class_borrow_stream_class_inline( |
315 | event_class); | |
939190b3 | 316 | resolve_ctx.packet_context = stream_class->packet_context_fc; |
7b33a0e0 | 317 | resolve_ctx.event_common_context = |
939190b3 | 318 | stream_class->event_common_context_fc; |
7b33a0e0 | 319 | |
939190b3 | 320 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); |
7b33a0e0 | 321 | if (ret) { |
4caa7d56 PP |
322 | /* |
323 | * This is the only reason for which | |
324 | * bt_resolve_field_paths() can fail: anything else | |
325 | * would be because a precondition is not satisfied. | |
326 | */ | |
fb25b9e3 | 327 | ret = BT_FUNC_STATUS_MEMORY_ERROR; |
18acc6f8 PP |
328 | goto end; |
329 | } | |
330 | ||
10b7a2e4 | 331 | bt_field_class_make_part_of_trace_class(field_class); |
8138bfe1 | 332 | bt_object_put_ref(event_class->specific_context_fc); |
4b70020d | 333 | event_class->specific_context_fc = field_class; |
864aa43f | 334 | bt_object_get_ref_no_null_check(event_class->specific_context_fc); |
939190b3 | 335 | bt_field_class_freeze(field_class); |
a684a357 | 336 | BT_LIB_LOGD("Set event class's specific context field class: %!+E", |
7b33a0e0 | 337 | event_class); |
18acc6f8 | 338 | |
18acc6f8 PP |
339 | end: |
340 | return ret; | |
272df73e PP |
341 | } |
342 | ||
78cf9df6 PP |
343 | const struct bt_field_class *bt_event_class_borrow_payload_field_class_const( |
344 | const struct bt_event_class *event_class) | |
272df73e | 345 | { |
fa6cfec3 | 346 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
939190b3 | 347 | return event_class->payload_fc; |
272df73e PP |
348 | } |
349 | ||
909d0a89 PP |
350 | struct bt_field_class *bt_event_class_borrow_payload_field_class( |
351 | struct bt_event_class *event_class) | |
352 | { | |
fa6cfec3 | 353 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
909d0a89 PP |
354 | return event_class->payload_fc; |
355 | } | |
356 | ||
fb25b9e3 PP |
357 | enum bt_event_class_set_field_class_status |
358 | bt_event_class_set_payload_field_class( | |
78cf9df6 PP |
359 | struct bt_event_class *event_class, |
360 | struct bt_field_class *field_class) | |
272df73e | 361 | { |
7b33a0e0 PP |
362 | int ret; |
363 | struct bt_stream_class *stream_class; | |
7b33a0e0 | 364 | struct bt_resolve_field_path_context resolve_ctx = { |
7b33a0e0 | 365 | .packet_context = NULL, |
7b33a0e0 PP |
366 | .event_common_context = NULL, |
367 | .event_specific_context = NULL, | |
939190b3 | 368 | .event_payload = field_class, |
7b33a0e0 | 369 | }; |
18acc6f8 | 370 | |
7b33a0e0 | 371 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
939190b3 | 372 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
fa6cfec3 | 373 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
af0c18e3 PP |
374 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
375 | BT_FIELD_CLASS_TYPE_STRUCTURE, | |
66fd07a5 | 376 | "Payload field class is not a structure field class: %!+F", |
939190b3 | 377 | field_class); |
7b33a0e0 PP |
378 | stream_class = bt_event_class_borrow_stream_class_inline( |
379 | event_class); | |
939190b3 | 380 | resolve_ctx.packet_context = stream_class->packet_context_fc; |
7b33a0e0 | 381 | resolve_ctx.event_common_context = |
939190b3 PP |
382 | stream_class->event_common_context_fc; |
383 | resolve_ctx.event_specific_context = event_class->specific_context_fc; | |
7b33a0e0 | 384 | |
939190b3 | 385 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); |
7b33a0e0 | 386 | if (ret) { |
4caa7d56 PP |
387 | /* |
388 | * This is the only reason for which | |
389 | * bt_resolve_field_paths() can fail: anything else | |
390 | * would be because a precondition is not satisfied. | |
391 | */ | |
fb25b9e3 | 392 | ret = BT_FUNC_STATUS_MEMORY_ERROR; |
18acc6f8 PP |
393 | goto end; |
394 | } | |
395 | ||
10b7a2e4 | 396 | bt_field_class_make_part_of_trace_class(field_class); |
8138bfe1 | 397 | bt_object_put_ref(event_class->payload_fc); |
4b70020d | 398 | event_class->payload_fc = field_class; |
864aa43f | 399 | bt_object_get_ref_no_null_check(event_class->payload_fc); |
939190b3 | 400 | bt_field_class_freeze(field_class); |
a684a357 | 401 | BT_LIB_LOGD("Set event class's payload field class: %!+E", event_class); |
18acc6f8 PP |
402 | |
403 | end: | |
404 | return ret; | |
272df73e PP |
405 | } |
406 | ||
407 | BT_HIDDEN | |
78cf9df6 | 408 | void _bt_event_class_freeze(const struct bt_event_class *event_class) |
8c4a29ba | 409 | { |
939190b3 | 410 | /* The field classes are already frozen */ |
8b45963b | 411 | BT_ASSERT(event_class); |
af90138b PP |
412 | BT_LIB_LOGD("Freezing event class's user attributes: %!+v", |
413 | event_class->user_attributes); | |
414 | bt_value_freeze(event_class->user_attributes); | |
7b33a0e0 | 415 | BT_LIB_LOGD("Freezing event class: %!+E", event_class); |
78cf9df6 | 416 | ((struct bt_event_class *) event_class)->frozen = true; |
8c4a29ba | 417 | } |
8c6884d9 | 418 | |
af90138b PP |
419 | const struct bt_value *bt_event_class_borrow_user_attributes_const( |
420 | const struct bt_event_class *event_class) | |
421 | { | |
422 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); | |
423 | return event_class->user_attributes; | |
424 | } | |
425 | ||
426 | struct bt_value *bt_event_class_borrow_user_attributes( | |
427 | struct bt_event_class *event_class) | |
428 | { | |
429 | return (void *) bt_event_class_borrow_user_attributes_const( | |
430 | (void *) event_class); | |
431 | } | |
432 | ||
433 | void bt_event_class_set_user_attributes( | |
434 | struct bt_event_class *event_class, | |
435 | const struct bt_value *user_attributes) | |
436 | { | |
437 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); | |
438 | BT_ASSERT_PRE_NON_NULL(user_attributes, "User attributes"); | |
439 | BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP, | |
440 | "User attributes object is not a map value object."); | |
441 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); | |
864aa43f | 442 | bt_object_put_ref_no_null_check(event_class->user_attributes); |
af90138b | 443 | event_class->user_attributes = (void *) user_attributes; |
864aa43f | 444 | bt_object_get_ref_no_null_check(event_class->user_attributes); |
af90138b PP |
445 | } |
446 | ||
8c6884d9 PP |
447 | void bt_event_class_get_ref(const struct bt_event_class *event_class) |
448 | { | |
449 | bt_object_get_ref(event_class); | |
450 | } | |
451 | ||
452 | void bt_event_class_put_ref(const struct bt_event_class *event_class) | |
453 | { | |
454 | bt_object_put_ref(event_class); | |
455 | } |