Commit | Line | Data |
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bc37ae52 | 1 | /* |
e2f7325d | 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
bc37ae52 JG |
3 | * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
4 | * | |
bc37ae52 JG |
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 | ||
350ad6c1 | 24 | #define BT_LOG_TAG "LIB/TRACE" |
c2d9d9cf | 25 | #include "lib/logging.h" |
e011d2c1 | 26 | |
578e048b | 27 | #include "lib/assert-pre.h" |
3c634c85 | 28 | #include "lib/assert-post.h" |
3fadfbc0 | 29 | #include <babeltrace2/trace-ir/trace.h> |
3fadfbc0 | 30 | #include <babeltrace2/trace-ir/trace-const.h> |
3fadfbc0 | 31 | #include <babeltrace2/trace-ir/event-class.h> |
578e048b MJ |
32 | #include "ctf-writer/functor.h" |
33 | #include "ctf-writer/clock.h" | |
34 | #include "compat/compiler.h" | |
3fadfbc0 MJ |
35 | #include <babeltrace2/value.h> |
36 | #include <babeltrace2/value-const.h> | |
578e048b | 37 | #include "lib/value.h" |
3fadfbc0 | 38 | #include <babeltrace2/types.h> |
578e048b MJ |
39 | #include "compat/endian.h" |
40 | #include "common/assert.h" | |
41 | #include "compat/glib.h" | |
dc3fffef | 42 | #include <inttypes.h> |
544d0515 | 43 | #include <stdint.h> |
4a32fda0 | 44 | #include <string.h> |
c4f23e30 | 45 | #include <stdbool.h> |
0fbb9a9f | 46 | #include <stdlib.h> |
bc37ae52 | 47 | |
578e048b MJ |
48 | #include "attributes.h" |
49 | #include "clock-class.h" | |
50 | #include "event-class.h" | |
51 | #include "event.h" | |
52 | #include "field-class.h" | |
53 | #include "field-wrapper.h" | |
54 | #include "resolve-field-path.h" | |
55 | #include "stream-class.h" | |
56 | #include "stream.h" | |
57 | #include "trace-class.h" | |
58 | #include "trace.h" | |
59 | #include "utils.h" | |
c6962c96 | 60 | #include "lib/value.h" |
d24d5663 | 61 | #include "lib/func-status.h" |
578e048b | 62 | |
ad5268b5 FD |
63 | struct bt_trace_destruction_listener_elem { |
64 | bt_trace_destruction_listener_func func; | |
3602afb0 PP |
65 | void *data; |
66 | }; | |
67 | ||
bdb288b3 PP |
68 | #define BT_ASSERT_PRE_DEV_TRACE_HOT(_trace) \ |
69 | BT_ASSERT_PRE_DEV_HOT((_trace), "Trace", ": %!+t", (_trace)) | |
cb6f1f7d | 70 | |
bc37ae52 | 71 | static |
44c440bc | 72 | void destroy_trace(struct bt_object *obj) |
3dca2276 PP |
73 | { |
74 | struct bt_trace *trace = (void *) obj; | |
bc37ae52 | 75 | |
44c440bc | 76 | BT_LIB_LOGD("Destroying trace object: %!+t", trace); |
c6962c96 | 77 | BT_OBJECT_PUT_REF_AND_RESET(trace->user_attributes); |
bc37ae52 | 78 | |
3dca2276 | 79 | /* |
ad5268b5 FD |
80 | * Call destruction listener functions so that everything else |
81 | * still exists in the trace. | |
3dca2276 | 82 | */ |
ad5268b5 FD |
83 | if (trace->destruction_listeners) { |
84 | uint64_t i; | |
3f7d4d90 | 85 | BT_LIB_LOGD("Calling trace destruction listener(s): %!+t", trace); |
c47a6bec SM |
86 | |
87 | /* | |
88 | * The trace's reference count is 0 if we're here. Increment | |
89 | * it to avoid a double-destroy (possibly infinitely recursive). | |
90 | * This could happen for example if a destruction listener did | |
91 | * bt_object_get_ref() (or anything that causes | |
92 | * bt_object_get_ref() to be called) on the trace (ref. | |
93 | * count goes from 0 to 1), and then bt_object_put_ref(): the | |
94 | * reference count would go from 1 to 0 again and this function | |
95 | * would be called again. | |
96 | */ | |
97 | trace->base.ref_count++; | |
98 | ||
ad5268b5 FD |
99 | /* Call all the trace destruction listeners */ |
100 | for (i = 0; i < trace->destruction_listeners->len; i++) { | |
101 | struct bt_trace_destruction_listener_elem elem = | |
102 | g_array_index(trace->destruction_listeners, | |
103 | struct bt_trace_destruction_listener_elem, i); | |
104 | ||
105 | if (elem.func) { | |
106 | elem.func(trace, elem.data); | |
6ecdcca3 | 107 | BT_ASSERT_POST_NO_ERROR(); |
3dca2276 | 108 | } |
c47a6bec SM |
109 | |
110 | /* | |
111 | * The destruction listener should not have kept a | |
112 | * reference to the trace. | |
113 | */ | |
3c634c85 | 114 | BT_ASSERT_POST(trace->base.ref_count == 1, "Destruction listener kept a reference to the trace being destroyed: %![trace-]+t", trace); |
3dca2276 | 115 | } |
ad5268b5 FD |
116 | g_array_free(trace->destruction_listeners, TRUE); |
117 | trace->destruction_listeners = NULL; | |
bc37ae52 JG |
118 | } |
119 | ||
44c440bc PP |
120 | if (trace->name.str) { |
121 | g_string_free(trace->name.str, TRUE); | |
238b7404 PP |
122 | trace->name.str = NULL; |
123 | trace->name.value = NULL; | |
95c09b3a PP |
124 | } |
125 | ||
335a2da5 PP |
126 | if (trace->environment) { |
127 | BT_LOGD_STR("Destroying environment attributes."); | |
128 | bt_attributes_destroy(trace->environment); | |
129 | trace->environment = NULL; | |
130 | } | |
131 | ||
44c440bc PP |
132 | if (trace->streams) { |
133 | BT_LOGD_STR("Destroying streams."); | |
134 | g_ptr_array_free(trace->streams, TRUE); | |
238b7404 | 135 | trace->streams = NULL; |
bc37ae52 JG |
136 | } |
137 | ||
44c440bc PP |
138 | if (trace->stream_classes_stream_count) { |
139 | g_hash_table_destroy(trace->stream_classes_stream_count); | |
238b7404 | 140 | trace->stream_classes_stream_count = NULL; |
44c440bc | 141 | } |
3dca2276 | 142 | |
862ca4ed PP |
143 | BT_LOGD_STR("Putting trace's class."); |
144 | bt_object_put_ref(trace->class); | |
145 | trace->class = NULL; | |
44c440bc | 146 | g_free(trace); |
3dca2276 PP |
147 | } |
148 | ||
862ca4ed | 149 | struct bt_trace *bt_trace_create(struct bt_trace_class *tc) |
3dca2276 PP |
150 | { |
151 | struct bt_trace *trace = NULL; | |
3dca2276 | 152 | |
17f3083a SM |
153 | BT_ASSERT_PRE_NO_ERROR(); |
154 | ||
862ca4ed | 155 | BT_LIB_LOGD("Creating trace object: %![tc-]+T", tc); |
3dca2276 PP |
156 | trace = g_new0(struct bt_trace, 1); |
157 | if (!trace) { | |
870631a2 | 158 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one trace."); |
3dca2276 PP |
159 | goto error; |
160 | } | |
161 | ||
862ca4ed | 162 | bt_object_init_shared(&trace->base, destroy_trace); |
c6962c96 PP |
163 | trace->user_attributes = bt_value_map_create(); |
164 | if (!trace->user_attributes) { | |
165 | BT_LIB_LOGE_APPEND_CAUSE( | |
166 | "Failed to create a map value object."); | |
167 | goto error; | |
168 | } | |
169 | ||
44c440bc PP |
170 | trace->streams = g_ptr_array_new_with_free_func( |
171 | (GDestroyNotify) bt_object_try_spec_release); | |
172 | if (!trace->streams) { | |
870631a2 | 173 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
3dca2276 PP |
174 | goto error; |
175 | } | |
176 | ||
44c440bc PP |
177 | trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash, |
178 | g_direct_equal); | |
179 | if (!trace->stream_classes_stream_count) { | |
870631a2 | 180 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GHashTable."); |
44c440bc PP |
181 | goto error; |
182 | } | |
183 | ||
184 | trace->name.str = g_string_new(NULL); | |
185 | if (!trace->name.str) { | |
870631a2 | 186 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString."); |
44c440bc PP |
187 | goto error; |
188 | } | |
189 | ||
335a2da5 PP |
190 | trace->environment = bt_attributes_create(); |
191 | if (!trace->environment) { | |
192 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create empty attributes object."); | |
193 | goto error; | |
194 | } | |
195 | ||
ad5268b5 FD |
196 | trace->destruction_listeners = g_array_new(FALSE, TRUE, |
197 | sizeof(struct bt_trace_destruction_listener_elem)); | |
198 | if (!trace->destruction_listeners) { | |
870631a2 | 199 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GArray."); |
3602afb0 PP |
200 | goto error; |
201 | } | |
202 | ||
862ca4ed | 203 | trace->class = tc; |
6871026b | 204 | bt_object_get_ref_no_null_check(trace->class); |
44c440bc PP |
205 | BT_LIB_LOGD("Created trace object: %!+t", trace); |
206 | goto end; | |
bc37ae52 | 207 | |
bc37ae52 | 208 | error: |
65300d60 | 209 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
44c440bc PP |
210 | |
211 | end: | |
862ca4ed | 212 | return trace; |
bc37ae52 JG |
213 | } |
214 | ||
40f4ba76 | 215 | const char *bt_trace_get_name(const struct bt_trace *trace) |
e96045d4 | 216 | { |
bdb288b3 | 217 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
44c440bc | 218 | return trace->name.value; |
e96045d4 JG |
219 | } |
220 | ||
d24d5663 PP |
221 | enum bt_trace_set_name_status bt_trace_set_name(struct bt_trace *trace, |
222 | const char *name) | |
e96045d4 | 223 | { |
17f3083a | 224 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc PP |
225 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
226 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
bdb288b3 | 227 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
44c440bc PP |
228 | g_string_assign(trace->name.str, name); |
229 | trace->name.value = trace->name.str->str; | |
3f7d4d90 | 230 | BT_LIB_LOGD("Set trace's name: %!+t", trace); |
d24d5663 | 231 | return BT_FUNC_STATUS_OK; |
e96045d4 JG |
232 | } |
233 | ||
335a2da5 PP |
234 | bt_uuid bt_trace_get_uuid(const struct bt_trace *trace) |
235 | { | |
bdb288b3 | 236 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
335a2da5 PP |
237 | return trace->uuid.value; |
238 | } | |
239 | ||
240 | void bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid) | |
241 | { | |
242 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
243 | BT_ASSERT_PRE_NON_NULL(uuid, "UUID"); | |
bdb288b3 | 244 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
6162e6b7 | 245 | bt_uuid_copy(trace->uuid.uuid, uuid); |
335a2da5 PP |
246 | trace->uuid.value = trace->uuid.uuid; |
247 | BT_LIB_LOGD("Set trace's UUID: %!+t", trace); | |
248 | } | |
249 | ||
335a2da5 PP |
250 | static |
251 | bool trace_has_environment_entry(const struct bt_trace *trace, const char *name) | |
252 | { | |
253 | BT_ASSERT(trace); | |
254 | ||
255 | return bt_attributes_borrow_field_value_by_name( | |
5084732e | 256 | trace->environment, name); |
335a2da5 PP |
257 | } |
258 | ||
259 | static | |
260 | enum bt_trace_set_environment_entry_status set_environment_entry( | |
261 | struct bt_trace *trace, | |
262 | const char *name, struct bt_value *value) | |
263 | { | |
264 | int ret; | |
265 | ||
266 | BT_ASSERT(trace); | |
267 | BT_ASSERT(name); | |
268 | BT_ASSERT(value); | |
269 | BT_ASSERT_PRE(!trace->frozen || | |
270 | !trace_has_environment_entry(trace, name), | |
271 | "Trace is frozen: cannot replace environment entry: " | |
272 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
273 | ret = bt_attributes_set_field_value(trace->environment, name, | |
274 | value); | |
275 | if (ret) { | |
276 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
277 | BT_LIB_LOGE_APPEND_CAUSE( | |
278 | "Cannot set trace's environment entry: " | |
279 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
280 | } else { | |
281 | bt_value_freeze(value); | |
282 | BT_LIB_LOGD("Set trace's environment entry: " | |
283 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
284 | } | |
285 | ||
286 | return ret; | |
287 | } | |
288 | ||
289 | enum bt_trace_set_environment_entry_status | |
290 | bt_trace_set_environment_entry_string( | |
291 | struct bt_trace *trace, const char *name, const char *value) | |
292 | { | |
293 | int ret; | |
294 | struct bt_value *value_obj; | |
17f3083a SM |
295 | |
296 | BT_ASSERT_PRE_NO_ERROR(); | |
335a2da5 PP |
297 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
298 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
299 | BT_ASSERT_PRE_NON_NULL(value, "Value"); | |
17f3083a | 300 | |
335a2da5 PP |
301 | value_obj = bt_value_string_create_init(value); |
302 | if (!value_obj) { | |
303 | BT_LIB_LOGE_APPEND_CAUSE( | |
304 | "Cannot create a string value object."); | |
305 | ret = -1; | |
306 | goto end; | |
307 | } | |
308 | ||
309 | /* set_environment_entry() logs errors */ | |
310 | ret = set_environment_entry(trace, name, value_obj); | |
311 | ||
312 | end: | |
313 | bt_object_put_ref(value_obj); | |
314 | return ret; | |
315 | } | |
316 | ||
317 | enum bt_trace_set_environment_entry_status | |
318 | bt_trace_set_environment_entry_integer( | |
319 | struct bt_trace *trace, const char *name, int64_t value) | |
320 | { | |
321 | int ret; | |
322 | struct bt_value *value_obj; | |
17f3083a SM |
323 | |
324 | BT_ASSERT_PRE_NO_ERROR(); | |
335a2da5 PP |
325 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
326 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
17f3083a | 327 | |
9c08c816 | 328 | value_obj = bt_value_integer_signed_create_init(value); |
335a2da5 PP |
329 | if (!value_obj) { |
330 | BT_LIB_LOGE_APPEND_CAUSE( | |
331 | "Cannot create an integer value object."); | |
332 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
333 | goto end; | |
334 | } | |
335 | ||
336 | /* set_environment_entry() logs errors */ | |
337 | ret = set_environment_entry(trace, name, value_obj); | |
338 | ||
339 | end: | |
340 | bt_object_put_ref(value_obj); | |
341 | return ret; | |
342 | } | |
343 | ||
344 | uint64_t bt_trace_get_environment_entry_count(const struct bt_trace *trace) | |
345 | { | |
bdb288b3 | 346 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
99b4b64b | 347 | return bt_attributes_get_count(trace->environment); |
335a2da5 PP |
348 | } |
349 | ||
350 | void bt_trace_borrow_environment_entry_by_index_const( | |
351 | const struct bt_trace *trace, uint64_t index, | |
352 | const char **name, const struct bt_value **value) | |
353 | { | |
bdb288b3 PP |
354 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
355 | BT_ASSERT_PRE_DEV_NON_NULL(name, "Name"); | |
356 | BT_ASSERT_PRE_DEV_NON_NULL(value, "Value"); | |
357 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, | |
335a2da5 PP |
358 | bt_attributes_get_count(trace->environment)); |
359 | *value = bt_attributes_borrow_field_value(trace->environment, index); | |
360 | BT_ASSERT(*value); | |
361 | *name = bt_attributes_get_field_name(trace->environment, index); | |
362 | BT_ASSERT(*name); | |
363 | } | |
364 | ||
365 | const struct bt_value *bt_trace_borrow_environment_entry_value_by_name_const( | |
366 | const struct bt_trace *trace, const char *name) | |
367 | { | |
bdb288b3 PP |
368 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
369 | BT_ASSERT_PRE_DEV_NON_NULL(name, "Name"); | |
335a2da5 PP |
370 | return bt_attributes_borrow_field_value_by_name(trace->environment, |
371 | name); | |
372 | } | |
373 | ||
40f4ba76 | 374 | uint64_t bt_trace_get_stream_count(const struct bt_trace *trace) |
bc37ae52 | 375 | { |
bdb288b3 | 376 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
44c440bc PP |
377 | return (uint64_t) trace->streams->len; |
378 | } | |
95c09b3a | 379 | |
44c440bc PP |
380 | struct bt_stream *bt_trace_borrow_stream_by_index( |
381 | struct bt_trace *trace, uint64_t index) | |
382 | { | |
bdb288b3 PP |
383 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
384 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, trace->streams->len); | |
44c440bc PP |
385 | return g_ptr_array_index(trace->streams, index); |
386 | } | |
cb6f1f7d | 387 | |
40f4ba76 PP |
388 | const struct bt_stream *bt_trace_borrow_stream_by_index_const( |
389 | const struct bt_trace *trace, uint64_t index) | |
e5be10ef | 390 | { |
40f4ba76 | 391 | return bt_trace_borrow_stream_by_index((void *) trace, index); |
e5be10ef PP |
392 | } |
393 | ||
40f4ba76 PP |
394 | struct bt_stream *bt_trace_borrow_stream_by_id(struct bt_trace *trace, |
395 | uint64_t id) | |
44c440bc PP |
396 | { |
397 | struct bt_stream *stream = NULL; | |
398 | uint64_t i; | |
bc37ae52 | 399 | |
bdb288b3 | 400 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
bc37ae52 | 401 | |
44c440bc PP |
402 | for (i = 0; i < trace->streams->len; i++) { |
403 | struct bt_stream *stream_candidate = | |
404 | g_ptr_array_index(trace->streams, i); | |
cfeb617e | 405 | |
44c440bc PP |
406 | if (stream_candidate->id == id) { |
407 | stream = stream_candidate; | |
408 | goto end; | |
409 | } | |
6474e016 | 410 | } |
95c09b3a | 411 | |
bc37ae52 | 412 | end: |
44c440bc | 413 | return stream; |
bc37ae52 JG |
414 | } |
415 | ||
40f4ba76 PP |
416 | const struct bt_stream *bt_trace_borrow_stream_by_id_const( |
417 | const struct bt_trace *trace, uint64_t id) | |
e5be10ef | 418 | { |
40f4ba76 | 419 | return bt_trace_borrow_stream_by_id((void *) trace, id); |
e5be10ef PP |
420 | } |
421 | ||
d24d5663 | 422 | enum bt_trace_add_listener_status bt_trace_add_destruction_listener( |
40f4ba76 | 423 | const struct bt_trace *c_trace, |
ad5268b5 | 424 | bt_trace_destruction_listener_func listener, |
2054a0d1 | 425 | void *data, bt_listener_id *listener_id) |
3602afb0 | 426 | { |
40f4ba76 | 427 | struct bt_trace *trace = (void *) c_trace; |
44c440bc | 428 | uint64_t i; |
ad5268b5 | 429 | struct bt_trace_destruction_listener_elem new_elem = { |
3602afb0 PP |
430 | .func = listener, |
431 | .data = data, | |
432 | }; | |
433 | ||
17f3083a | 434 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc PP |
435 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
436 | BT_ASSERT_PRE_NON_NULL(listener, "Listener"); | |
8480c8cc | 437 | |
3602afb0 | 438 | /* Find the next available spot */ |
ad5268b5 FD |
439 | for (i = 0; i < trace->destruction_listeners->len; i++) { |
440 | struct bt_trace_destruction_listener_elem elem = | |
441 | g_array_index(trace->destruction_listeners, | |
442 | struct bt_trace_destruction_listener_elem, i); | |
3602afb0 PP |
443 | |
444 | if (!elem.func) { | |
445 | break; | |
446 | } | |
447 | } | |
448 | ||
ad5268b5 FD |
449 | if (i == trace->destruction_listeners->len) { |
450 | g_array_append_val(trace->destruction_listeners, new_elem); | |
3602afb0 | 451 | } else { |
ad5268b5 | 452 | g_array_insert_val(trace->destruction_listeners, i, new_elem); |
3602afb0 PP |
453 | } |
454 | ||
44c440bc PP |
455 | if (listener_id) { |
456 | *listener_id = i; | |
457 | } | |
3602afb0 | 458 | |
3f7d4d90 | 459 | BT_LIB_LOGD("Added destruction listener: " "%![trace-]+t, " |
ad5268b5 | 460 | "listener-id=%" PRIu64, trace, i); |
d24d5663 | 461 | return BT_FUNC_STATUS_OK; |
44c440bc PP |
462 | } |
463 | ||
44c440bc | 464 | static |
40f4ba76 | 465 | bool has_listener_id(const struct bt_trace *trace, uint64_t listener_id) |
44c440bc | 466 | { |
ad5268b5 FD |
467 | BT_ASSERT(listener_id < trace->destruction_listeners->len); |
468 | return (&g_array_index(trace->destruction_listeners, | |
469 | struct bt_trace_destruction_listener_elem, | |
5084732e | 470 | listener_id))->func; |
3602afb0 PP |
471 | } |
472 | ||
d24d5663 | 473 | enum bt_trace_remove_listener_status bt_trace_remove_destruction_listener( |
2054a0d1 | 474 | const struct bt_trace *c_trace, bt_listener_id listener_id) |
3602afb0 | 475 | { |
40f4ba76 | 476 | struct bt_trace *trace = (void *) c_trace; |
ad5268b5 | 477 | struct bt_trace_destruction_listener_elem *elem; |
3602afb0 | 478 | |
17f3083a | 479 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc | 480 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 481 | BT_ASSERT_PRE(has_listener_id(trace, listener_id), |
ad5268b5 | 482 | "Trace has no such trace destruction listener ID: " |
44c440bc | 483 | "%![trace-]+t, %" PRIu64, trace, listener_id); |
ad5268b5 FD |
484 | elem = &g_array_index(trace->destruction_listeners, |
485 | struct bt_trace_destruction_listener_elem, | |
3602afb0 | 486 | listener_id); |
44c440bc | 487 | BT_ASSERT(elem->func); |
3602afb0 PP |
488 | |
489 | elem->func = NULL; | |
490 | elem->data = NULL; | |
3f7d4d90 | 491 | BT_LIB_LOGD("Removed \"trace destruction listener: " |
44c440bc PP |
492 | "%![trace-]+t, listener-id=%" PRIu64, |
493 | trace, listener_id); | |
d24d5663 | 494 | return BT_FUNC_STATUS_OK; |
44c440bc | 495 | } |
3602afb0 | 496 | |
44c440bc | 497 | BT_HIDDEN |
40f4ba76 | 498 | void _bt_trace_freeze(const struct bt_trace *trace) |
44c440bc | 499 | { |
44c440bc | 500 | BT_ASSERT(trace); |
862ca4ed PP |
501 | BT_LIB_LOGD("Freezing trace's class: %!+T", trace->class); |
502 | bt_trace_class_freeze(trace->class); | |
c6962c96 PP |
503 | BT_LIB_LOGD("Freezing trace's user attributes: %!+v", |
504 | trace->user_attributes); | |
505 | bt_value_freeze(trace->user_attributes); | |
44c440bc | 506 | BT_LIB_LOGD("Freezing trace: %!+t", trace); |
40f4ba76 | 507 | ((struct bt_trace *) trace)->frozen = true; |
5acf2ae6 | 508 | } |
312c056a | 509 | |
44c440bc PP |
510 | BT_HIDDEN |
511 | void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream) | |
512 | { | |
513 | guint count = 0; | |
514 | ||
515 | bt_object_set_parent(&stream->base, &trace->base); | |
516 | g_ptr_array_add(trace->streams, stream); | |
cb6f1f7d | 517 | bt_trace_freeze(trace); |
312c056a | 518 | |
44c440bc PP |
519 | if (bt_g_hash_table_contains(trace->stream_classes_stream_count, |
520 | stream->class)) { | |
521 | count = GPOINTER_TO_UINT(g_hash_table_lookup( | |
522 | trace->stream_classes_stream_count, stream->class)); | |
312c056a PP |
523 | } |
524 | ||
44c440bc PP |
525 | g_hash_table_insert(trace->stream_classes_stream_count, |
526 | stream->class, GUINT_TO_POINTER(count + 1)); | |
527 | } | |
528 | ||
529 | BT_HIDDEN | |
40f4ba76 PP |
530 | uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace, |
531 | const struct bt_stream_class *stream_class) | |
44c440bc PP |
532 | { |
533 | gpointer orig_key; | |
534 | gpointer value; | |
535 | uint64_t id = 0; | |
536 | ||
537 | BT_ASSERT(stream_class); | |
538 | BT_ASSERT(trace); | |
539 | if (g_hash_table_lookup_extended(trace->stream_classes_stream_count, | |
540 | stream_class, &orig_key, &value)) { | |
541 | id = (uint64_t) GPOINTER_TO_UINT(value); | |
542 | } | |
543 | ||
544 | return id; | |
312c056a | 545 | } |
862ca4ed PP |
546 | |
547 | struct bt_trace_class *bt_trace_borrow_class(struct bt_trace *trace) | |
548 | { | |
bdb288b3 | 549 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
862ca4ed PP |
550 | return trace->class; |
551 | } | |
552 | ||
553 | const struct bt_trace_class *bt_trace_borrow_class_const( | |
554 | const struct bt_trace *trace) | |
555 | { | |
556 | return bt_trace_borrow_class((void *) trace); | |
557 | } | |
c5b9b441 | 558 | |
c6962c96 PP |
559 | const struct bt_value *bt_trace_borrow_user_attributes_const( |
560 | const struct bt_trace *trace) | |
561 | { | |
562 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); | |
563 | return trace->user_attributes; | |
564 | } | |
565 | ||
566 | struct bt_value *bt_trace_borrow_user_attributes(struct bt_trace *trace) | |
567 | { | |
568 | return (void *) bt_trace_borrow_user_attributes_const((void *) trace); | |
569 | } | |
570 | ||
571 | void bt_trace_set_user_attributes( | |
572 | struct bt_trace *trace, | |
573 | const struct bt_value *user_attributes) | |
574 | { | |
575 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
576 | BT_ASSERT_PRE_NON_NULL(user_attributes, "User attributes"); | |
577 | BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP, | |
578 | "User attributes object is not a map value object."); | |
579 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); | |
6871026b | 580 | bt_object_put_ref_no_null_check(trace->user_attributes); |
c6962c96 | 581 | trace->user_attributes = (void *) user_attributes; |
6871026b | 582 | bt_object_get_ref_no_null_check(trace->user_attributes); |
c6962c96 PP |
583 | } |
584 | ||
c5b9b441 PP |
585 | void bt_trace_get_ref(const struct bt_trace *trace) |
586 | { | |
587 | bt_object_get_ref(trace); | |
588 | } | |
589 | ||
590 | void bt_trace_put_ref(const struct bt_trace *trace) | |
591 | { | |
592 | bt_object_put_ref(trace); | |
593 | } |