Commit | Line | Data |
---|---|---|
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 | 29 | #include <babeltrace2/trace-ir/event-class.h> |
71c5da58 | 30 | #include <babeltrace2/trace-ir/stream-class.h> |
57952005 MJ |
31 | #include "compat/compiler.h" |
32 | #include "compat/endian.h" | |
71c5da58 | 33 | #include <babeltrace2/types.h> |
57952005 MJ |
34 | #include "lib/value.h" |
35 | #include "common/assert.h" | |
dc3fffef | 36 | #include <inttypes.h> |
969c1d8a | 37 | #include <stdbool.h> |
0fbb9a9f | 38 | #include <stdlib.h> |
272df73e | 39 | |
57952005 MJ |
40 | #include "attributes.h" |
41 | #include "clock-snapshot.h" | |
42 | #include "event-class.h" | |
43 | #include "event.h" | |
44 | #include "field-class.h" | |
45 | #include "field.h" | |
46 | #include "resolve-field-path.h" | |
47 | #include "stream-class.h" | |
48 | #include "trace.h" | |
49 | #include "utils.h" | |
fb25b9e3 | 50 | #include "lib/func-status.h" |
57952005 | 51 | |
fa6cfec3 PP |
52 | #define BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(_ec) \ |
53 | BT_ASSERT_PRE_DEV_HOT(((const struct bt_event_class *) (_ec)), \ | |
9e550e5f | 54 | "Event class", ": %!+E", (_ec)) |
7b33a0e0 PP |
55 | |
56 | static | |
57 | void destroy_event_class(struct bt_object *obj) | |
272df73e | 58 | { |
7b33a0e0 | 59 | struct bt_event_class *event_class = (void *) obj; |
272df73e | 60 | |
7b33a0e0 | 61 | BT_LIB_LOGD("Destroying event class: %!+E", event_class); |
af90138b | 62 | BT_OBJECT_PUT_REF_AND_RESET(event_class->user_attributes); |
f8b979f9 | 63 | |
7b33a0e0 PP |
64 | if (event_class->name.str) { |
65 | g_string_free(event_class->name.str, TRUE); | |
1248f5ea | 66 | event_class->name.str = NULL; |
9cf5d083 PP |
67 | } |
68 | ||
7b33a0e0 PP |
69 | if (event_class->emf_uri.str) { |
70 | g_string_free(event_class->emf_uri.str, TRUE); | |
1248f5ea | 71 | event_class->emf_uri.str = NULL; |
272df73e PP |
72 | } |
73 | ||
66fd07a5 | 74 | BT_LOGD_STR("Putting context field class."); |
1248f5ea | 75 | BT_OBJECT_PUT_REF_AND_RESET(event_class->specific_context_fc); |
66fd07a5 | 76 | BT_LOGD_STR("Putting payload field class."); |
1248f5ea | 77 | BT_OBJECT_PUT_REF_AND_RESET(event_class->payload_fc); |
a6918753 | 78 | bt_object_pool_finalize(&event_class->event_pool); |
8deee039 | 79 | g_free(obj); |
272df73e PP |
80 | } |
81 | ||
a6918753 PP |
82 | static |
83 | void free_event(struct bt_event *event, | |
84 | struct bt_event_class *event_class) | |
85 | { | |
86 | bt_event_destroy(event); | |
87 | } | |
88 | ||
7b33a0e0 | 89 | static |
78cf9df6 PP |
90 | bool event_class_id_is_unique(const struct bt_stream_class *stream_class, |
91 | uint64_t id) | |
272df73e | 92 | { |
7b33a0e0 PP |
93 | uint64_t i; |
94 | bool is_unique = true; | |
272df73e | 95 | |
7b33a0e0 | 96 | for (i = 0; i < stream_class->event_classes->len; i++) { |
78cf9df6 | 97 | const struct bt_event_class *ec = |
7b33a0e0 PP |
98 | stream_class->event_classes->pdata[i]; |
99 | ||
100 | if (ec->id == id) { | |
101 | is_unique = false; | |
102 | goto end; | |
103 | } | |
9cf5d083 | 104 | } |
272df73e | 105 | |
7b33a0e0 PP |
106 | end: |
107 | return is_unique; | |
108 | } | |
109 | ||
110 | static | |
111 | struct bt_event_class *create_event_class_with_id( | |
112 | struct bt_stream_class *stream_class, uint64_t id) | |
113 | { | |
114 | int ret; | |
115 | struct bt_event_class *event_class; | |
116 | ||
117 | BT_ASSERT(stream_class); | |
118 | BT_ASSERT_PRE(event_class_id_is_unique(stream_class, id), | |
119 | "Duplicate event class ID: %![sc-]+S, id=%" PRIu64, | |
120 | stream_class, id); | |
121 | BT_LIB_LOGD("Creating event class object: %![sc-]+S, id=%" PRIu64, | |
122 | stream_class, id); | |
8deee039 | 123 | event_class = g_new0(struct bt_event_class, 1); |
272df73e | 124 | if (!event_class) { |
a8f90e5d | 125 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one event class."); |
8deee039 | 126 | goto error; |
272df73e PP |
127 | } |
128 | ||
7b33a0e0 PP |
129 | bt_object_init_shared_with_parent(&event_class->base, |
130 | destroy_event_class); | |
af90138b PP |
131 | event_class->user_attributes = bt_value_map_create(); |
132 | if (!event_class->user_attributes) { | |
133 | BT_LIB_LOGE_APPEND_CAUSE( | |
134 | "Failed to create a map value object."); | |
135 | goto error; | |
136 | } | |
137 | ||
7b33a0e0 PP |
138 | event_class->id = id; |
139 | bt_property_uint_init(&event_class->log_level, | |
140 | BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE, 0); | |
141 | event_class->name.str = g_string_new(NULL); | |
142 | if (!event_class->name.str) { | |
a8f90e5d | 143 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString."); |
af90138b | 144 | goto error; |
7b33a0e0 PP |
145 | } |
146 | ||
147 | event_class->emf_uri.str = g_string_new(NULL); | |
148 | if (!event_class->emf_uri.str) { | |
a8f90e5d | 149 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString."); |
af90138b | 150 | goto error; |
272df73e PP |
151 | } |
152 | ||
a6918753 PP |
153 | ret = bt_object_pool_initialize(&event_class->event_pool, |
154 | (bt_object_pool_new_object_func) bt_event_new, | |
155 | (bt_object_pool_destroy_object_func) free_event, | |
156 | event_class); | |
157 | if (ret) { | |
a8f90e5d PP |
158 | BT_LIB_LOGE_APPEND_CAUSE( |
159 | "Failed to initialize event pool: ret=%d", | |
a6918753 PP |
160 | ret); |
161 | goto error; | |
162 | } | |
163 | ||
7b33a0e0 PP |
164 | bt_object_set_parent(&event_class->base, &stream_class->base); |
165 | g_ptr_array_add(stream_class->event_classes, event_class); | |
166 | bt_stream_class_freeze(stream_class); | |
167 | BT_LIB_LOGD("Created event class object: %!+E", event_class); | |
8deee039 | 168 | goto end; |
272df73e | 169 | |
8deee039 | 170 | error: |
8138bfe1 | 171 | BT_OBJECT_PUT_REF_AND_RESET(event_class); |
272df73e PP |
172 | |
173 | end: | |
8deee039 | 174 | return event_class; |
272df73e PP |
175 | } |
176 | ||
78cf9df6 PP |
177 | struct bt_event_class *bt_event_class_create( |
178 | struct bt_stream_class *stream_class) | |
7b33a0e0 | 179 | { |
7c7324d3 | 180 | BT_ASSERT_PRE_NO_ERROR(); |
7b33a0e0 PP |
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 | 191 | { |
7c7324d3 | 192 | BT_ASSERT_PRE_NO_ERROR(); |
7b33a0e0 PP |
193 | BT_ASSERT_PRE(!stream_class->assigns_automatic_event_class_id, |
194 | "Stream class automatically assigns event class IDs: " | |
195 | "%![sc-]+S", stream_class); | |
78cf9df6 | 196 | return create_event_class_with_id(stream_class, id); |
7b33a0e0 PP |
197 | } |
198 | ||
78cf9df6 | 199 | const char *bt_event_class_get_name(const struct bt_event_class *event_class) |
272df73e | 200 | { |
fa6cfec3 | 201 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 202 | return event_class->name.value; |
272df73e PP |
203 | } |
204 | ||
fb25b9e3 | 205 | enum bt_event_class_set_name_status bt_event_class_set_name( |
4caa7d56 | 206 | struct bt_event_class *event_class, const char *name) |
272df73e | 207 | { |
7c7324d3 | 208 | BT_ASSERT_PRE_NO_ERROR(); |
18acc6f8 | 209 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 210 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
fa6cfec3 | 211 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
7b33a0e0 PP |
212 | g_string_assign(event_class->name.str, name); |
213 | event_class->name.value = event_class->name.str->str; | |
a684a357 | 214 | BT_LIB_LOGD("Set event class's name: %!+E", event_class); |
fb25b9e3 | 215 | return BT_FUNC_STATUS_OK; |
272df73e PP |
216 | } |
217 | ||
78cf9df6 | 218 | uint64_t bt_event_class_get_id(const struct bt_event_class *event_class) |
272df73e | 219 | { |
fa6cfec3 | 220 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 221 | return event_class->id; |
272df73e PP |
222 | } |
223 | ||
7b33a0e0 | 224 | enum bt_property_availability bt_event_class_get_log_level( |
78cf9df6 | 225 | const struct bt_event_class *event_class, |
7b33a0e0 | 226 | enum bt_event_class_log_level *log_level) |
272df73e | 227 | { |
fa6cfec3 PP |
228 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
229 | BT_ASSERT_PRE_DEV_NON_NULL(log_level, "Log level (output)"); | |
7b33a0e0 PP |
230 | *log_level = (enum bt_event_class_log_level) |
231 | event_class->log_level.value; | |
232 | return event_class->log_level.base.avail; | |
272df73e PP |
233 | } |
234 | ||
78cf9df6 PP |
235 | void bt_event_class_set_log_level( |
236 | struct bt_event_class *event_class, | |
8deee039 | 237 | enum bt_event_class_log_level log_level) |
272df73e | 238 | { |
7b33a0e0 | 239 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
fa6cfec3 | 240 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
7b33a0e0 PP |
241 | bt_property_uint_set(&event_class->log_level, |
242 | (uint64_t) log_level); | |
a684a357 | 243 | BT_LIB_LOGD("Set event class's log level: %!+E", event_class); |
272df73e PP |
244 | } |
245 | ||
78cf9df6 | 246 | const char *bt_event_class_get_emf_uri(const struct bt_event_class *event_class) |
272df73e | 247 | { |
fa6cfec3 | 248 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 249 | return event_class->emf_uri.value; |
272df73e PP |
250 | } |
251 | ||
fb25b9e3 | 252 | enum bt_event_class_set_emf_uri_status bt_event_class_set_emf_uri( |
78cf9df6 | 253 | struct bt_event_class *event_class, |
8deee039 | 254 | const char *emf_uri) |
272df73e | 255 | { |
7c7324d3 | 256 | BT_ASSERT_PRE_NO_ERROR(); |
7b33a0e0 PP |
257 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
258 | BT_ASSERT_PRE_NON_NULL(emf_uri, "EMF URI"); | |
fa6cfec3 | 259 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
7b33a0e0 PP |
260 | g_string_assign(event_class->emf_uri.str, emf_uri); |
261 | event_class->emf_uri.value = event_class->emf_uri.str->str; | |
a684a357 | 262 | BT_LIB_LOGD("Set event class's EMF URI: %!+E", event_class); |
fb25b9e3 | 263 | return BT_FUNC_STATUS_OK; |
272df73e PP |
264 | } |
265 | ||
5fe68922 | 266 | struct bt_stream_class *bt_event_class_borrow_stream_class( |
839d52a5 | 267 | struct bt_event_class *event_class) |
272df73e | 268 | { |
fa6cfec3 | 269 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
7b33a0e0 | 270 | return bt_event_class_borrow_stream_class_inline(event_class); |
272df73e PP |
271 | } |
272 | ||
78cf9df6 PP |
273 | const struct bt_stream_class * |
274 | bt_event_class_borrow_stream_class_const( | |
275 | const struct bt_event_class *event_class) | |
9e550e5f | 276 | { |
78cf9df6 | 277 | return bt_event_class_borrow_stream_class((void *) event_class); |
9e550e5f PP |
278 | } |
279 | ||
78cf9df6 PP |
280 | const struct bt_field_class * |
281 | bt_event_class_borrow_specific_context_field_class_const( | |
282 | const struct bt_event_class *event_class) | |
272df73e | 283 | { |
fa6cfec3 | 284 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
939190b3 | 285 | return event_class->specific_context_fc; |
272df73e PP |
286 | } |
287 | ||
909d0a89 PP |
288 | struct bt_field_class * |
289 | bt_event_class_borrow_specific_context_field_class( | |
290 | struct bt_event_class *event_class) | |
291 | { | |
fa6cfec3 | 292 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
909d0a89 PP |
293 | return event_class->specific_context_fc; |
294 | } | |
295 | ||
fb25b9e3 PP |
296 | enum bt_event_class_set_field_class_status |
297 | bt_event_class_set_specific_context_field_class( | |
78cf9df6 PP |
298 | struct bt_event_class *event_class, |
299 | struct bt_field_class *field_class) | |
272df73e | 300 | { |
7b33a0e0 PP |
301 | int ret; |
302 | struct bt_stream_class *stream_class; | |
7b33a0e0 | 303 | struct bt_resolve_field_path_context resolve_ctx = { |
7b33a0e0 | 304 | .packet_context = NULL, |
7b33a0e0 | 305 | .event_common_context = NULL, |
939190b3 | 306 | .event_specific_context = field_class, |
7b33a0e0 PP |
307 | .event_payload = NULL, |
308 | }; | |
18acc6f8 | 309 | |
7c7324d3 | 310 | BT_ASSERT_PRE_NO_ERROR(); |
7b33a0e0 | 311 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
939190b3 | 312 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
fa6cfec3 | 313 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
af0c18e3 PP |
314 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
315 | BT_FIELD_CLASS_TYPE_STRUCTURE, | |
66fd07a5 | 316 | "Specific context field class is not a structure field class: " |
939190b3 | 317 | "%!+F", field_class); |
7b33a0e0 PP |
318 | stream_class = bt_event_class_borrow_stream_class_inline( |
319 | event_class); | |
939190b3 | 320 | resolve_ctx.packet_context = stream_class->packet_context_fc; |
7b33a0e0 | 321 | resolve_ctx.event_common_context = |
939190b3 | 322 | stream_class->event_common_context_fc; |
7b33a0e0 | 323 | |
939190b3 | 324 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); |
7b33a0e0 | 325 | if (ret) { |
4caa7d56 PP |
326 | /* |
327 | * This is the only reason for which | |
328 | * bt_resolve_field_paths() can fail: anything else | |
329 | * would be because a precondition is not satisfied. | |
330 | */ | |
fb25b9e3 | 331 | ret = BT_FUNC_STATUS_MEMORY_ERROR; |
18acc6f8 PP |
332 | goto end; |
333 | } | |
334 | ||
10b7a2e4 | 335 | bt_field_class_make_part_of_trace_class(field_class); |
8138bfe1 | 336 | bt_object_put_ref(event_class->specific_context_fc); |
4b70020d | 337 | event_class->specific_context_fc = field_class; |
864aa43f | 338 | bt_object_get_ref_no_null_check(event_class->specific_context_fc); |
939190b3 | 339 | bt_field_class_freeze(field_class); |
a684a357 | 340 | BT_LIB_LOGD("Set event class's specific context field class: %!+E", |
7b33a0e0 | 341 | event_class); |
18acc6f8 | 342 | |
18acc6f8 PP |
343 | end: |
344 | return ret; | |
272df73e PP |
345 | } |
346 | ||
78cf9df6 PP |
347 | const struct bt_field_class *bt_event_class_borrow_payload_field_class_const( |
348 | const struct bt_event_class *event_class) | |
272df73e | 349 | { |
fa6cfec3 | 350 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
939190b3 | 351 | return event_class->payload_fc; |
272df73e PP |
352 | } |
353 | ||
909d0a89 PP |
354 | struct bt_field_class *bt_event_class_borrow_payload_field_class( |
355 | struct bt_event_class *event_class) | |
356 | { | |
fa6cfec3 | 357 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); |
909d0a89 PP |
358 | return event_class->payload_fc; |
359 | } | |
360 | ||
fb25b9e3 PP |
361 | enum bt_event_class_set_field_class_status |
362 | bt_event_class_set_payload_field_class( | |
78cf9df6 PP |
363 | struct bt_event_class *event_class, |
364 | struct bt_field_class *field_class) | |
272df73e | 365 | { |
7b33a0e0 PP |
366 | int ret; |
367 | struct bt_stream_class *stream_class; | |
7b33a0e0 | 368 | struct bt_resolve_field_path_context resolve_ctx = { |
7b33a0e0 | 369 | .packet_context = NULL, |
7b33a0e0 PP |
370 | .event_common_context = NULL, |
371 | .event_specific_context = NULL, | |
939190b3 | 372 | .event_payload = field_class, |
7b33a0e0 | 373 | }; |
18acc6f8 | 374 | |
7c7324d3 | 375 | BT_ASSERT_PRE_NO_ERROR(); |
7b33a0e0 | 376 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
939190b3 | 377 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
fa6cfec3 | 378 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); |
af0c18e3 PP |
379 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
380 | BT_FIELD_CLASS_TYPE_STRUCTURE, | |
66fd07a5 | 381 | "Payload field class is not a structure field class: %!+F", |
939190b3 | 382 | field_class); |
7b33a0e0 PP |
383 | stream_class = bt_event_class_borrow_stream_class_inline( |
384 | event_class); | |
939190b3 | 385 | resolve_ctx.packet_context = stream_class->packet_context_fc; |
7b33a0e0 | 386 | resolve_ctx.event_common_context = |
939190b3 PP |
387 | stream_class->event_common_context_fc; |
388 | resolve_ctx.event_specific_context = event_class->specific_context_fc; | |
7b33a0e0 | 389 | |
939190b3 | 390 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); |
7b33a0e0 | 391 | if (ret) { |
4caa7d56 PP |
392 | /* |
393 | * This is the only reason for which | |
394 | * bt_resolve_field_paths() can fail: anything else | |
395 | * would be because a precondition is not satisfied. | |
396 | */ | |
fb25b9e3 | 397 | ret = BT_FUNC_STATUS_MEMORY_ERROR; |
18acc6f8 PP |
398 | goto end; |
399 | } | |
400 | ||
10b7a2e4 | 401 | bt_field_class_make_part_of_trace_class(field_class); |
8138bfe1 | 402 | bt_object_put_ref(event_class->payload_fc); |
4b70020d | 403 | event_class->payload_fc = field_class; |
864aa43f | 404 | bt_object_get_ref_no_null_check(event_class->payload_fc); |
939190b3 | 405 | bt_field_class_freeze(field_class); |
a684a357 | 406 | BT_LIB_LOGD("Set event class's payload field class: %!+E", event_class); |
18acc6f8 PP |
407 | |
408 | end: | |
409 | return ret; | |
272df73e PP |
410 | } |
411 | ||
412 | BT_HIDDEN | |
78cf9df6 | 413 | void _bt_event_class_freeze(const struct bt_event_class *event_class) |
8c4a29ba | 414 | { |
939190b3 | 415 | /* The field classes are already frozen */ |
8b45963b | 416 | BT_ASSERT(event_class); |
af90138b PP |
417 | BT_LIB_LOGD("Freezing event class's user attributes: %!+v", |
418 | event_class->user_attributes); | |
419 | bt_value_freeze(event_class->user_attributes); | |
7b33a0e0 | 420 | BT_LIB_LOGD("Freezing event class: %!+E", event_class); |
78cf9df6 | 421 | ((struct bt_event_class *) event_class)->frozen = true; |
8c4a29ba | 422 | } |
8c6884d9 | 423 | |
af90138b PP |
424 | const struct bt_value *bt_event_class_borrow_user_attributes_const( |
425 | const struct bt_event_class *event_class) | |
426 | { | |
427 | BT_ASSERT_PRE_DEV_NON_NULL(event_class, "Event class"); | |
428 | return event_class->user_attributes; | |
429 | } | |
430 | ||
431 | struct bt_value *bt_event_class_borrow_user_attributes( | |
432 | struct bt_event_class *event_class) | |
433 | { | |
434 | return (void *) bt_event_class_borrow_user_attributes_const( | |
435 | (void *) event_class); | |
436 | } | |
437 | ||
438 | void bt_event_class_set_user_attributes( | |
439 | struct bt_event_class *event_class, | |
440 | const struct bt_value *user_attributes) | |
441 | { | |
442 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); | |
443 | BT_ASSERT_PRE_NON_NULL(user_attributes, "User attributes"); | |
444 | BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP, | |
445 | "User attributes object is not a map value object."); | |
446 | BT_ASSERT_PRE_DEV_EVENT_CLASS_HOT(event_class); | |
864aa43f | 447 | bt_object_put_ref_no_null_check(event_class->user_attributes); |
af90138b | 448 | event_class->user_attributes = (void *) user_attributes; |
864aa43f | 449 | bt_object_get_ref_no_null_check(event_class->user_attributes); |
af90138b PP |
450 | } |
451 | ||
8c6884d9 PP |
452 | void bt_event_class_get_ref(const struct bt_event_class *event_class) |
453 | { | |
454 | bt_object_get_ref(event_class); | |
455 | } | |
456 | ||
457 | void bt_event_class_put_ref(const struct bt_event_class *event_class) | |
458 | { | |
459 | bt_object_put_ref(event_class); | |
460 | } |