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