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