Commit | Line | Data |
---|---|---|
bc37ae52 | 1 | /* |
0235b0db MJ |
2 | * SPDX-License-Identifier: MIT |
3 | * | |
e2f7325d | 4 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
bc37ae52 | 5 | * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
bc37ae52 JG |
6 | */ |
7 | ||
350ad6c1 | 8 | #define BT_LOG_TAG "LIB/TRACE" |
c2d9d9cf | 9 | #include "lib/logging.h" |
e011d2c1 | 10 | |
d98421f2 | 11 | #include "lib/assert-cond.h" |
3fadfbc0 | 12 | #include <babeltrace2/trace-ir/trace.h> |
3fadfbc0 | 13 | #include <babeltrace2/trace-ir/event-class.h> |
578e048b MJ |
14 | #include "ctf-writer/functor.h" |
15 | #include "ctf-writer/clock.h" | |
16 | #include "compat/compiler.h" | |
3fadfbc0 | 17 | #include <babeltrace2/value.h> |
578e048b | 18 | #include "lib/value.h" |
3fadfbc0 | 19 | #include <babeltrace2/types.h> |
578e048b MJ |
20 | #include "compat/endian.h" |
21 | #include "common/assert.h" | |
22 | #include "compat/glib.h" | |
dc3fffef | 23 | #include <inttypes.h> |
544d0515 | 24 | #include <stdint.h> |
4a32fda0 | 25 | #include <string.h> |
c4f23e30 | 26 | #include <stdbool.h> |
0fbb9a9f | 27 | #include <stdlib.h> |
bc37ae52 | 28 | |
578e048b MJ |
29 | #include "attributes.h" |
30 | #include "clock-class.h" | |
31 | #include "event-class.h" | |
32 | #include "event.h" | |
33 | #include "field-class.h" | |
34 | #include "field-wrapper.h" | |
35 | #include "resolve-field-path.h" | |
36 | #include "stream-class.h" | |
37 | #include "stream.h" | |
38 | #include "trace-class.h" | |
39 | #include "trace.h" | |
40 | #include "utils.h" | |
c6962c96 | 41 | #include "lib/value.h" |
d24d5663 | 42 | #include "lib/func-status.h" |
578e048b | 43 | |
ad5268b5 FD |
44 | struct bt_trace_destruction_listener_elem { |
45 | bt_trace_destruction_listener_func func; | |
3602afb0 PP |
46 | void *data; |
47 | }; | |
48 | ||
bdb288b3 PP |
49 | #define BT_ASSERT_PRE_DEV_TRACE_HOT(_trace) \ |
50 | BT_ASSERT_PRE_DEV_HOT((_trace), "Trace", ": %!+t", (_trace)) | |
cb6f1f7d | 51 | |
bc37ae52 | 52 | static |
44c440bc | 53 | void destroy_trace(struct bt_object *obj) |
3dca2276 PP |
54 | { |
55 | struct bt_trace *trace = (void *) obj; | |
bc37ae52 | 56 | |
44c440bc | 57 | BT_LIB_LOGD("Destroying trace object: %!+t", trace); |
c6962c96 | 58 | BT_OBJECT_PUT_REF_AND_RESET(trace->user_attributes); |
bc37ae52 | 59 | |
3dca2276 | 60 | /* |
ad5268b5 FD |
61 | * Call destruction listener functions so that everything else |
62 | * still exists in the trace. | |
3dca2276 | 63 | */ |
ad5268b5 FD |
64 | if (trace->destruction_listeners) { |
65 | uint64_t i; | |
42a63165 SM |
66 | const struct bt_error *saved_error; |
67 | ||
3f7d4d90 | 68 | BT_LIB_LOGD("Calling trace destruction listener(s): %!+t", trace); |
c47a6bec SM |
69 | |
70 | /* | |
71 | * The trace's reference count is 0 if we're here. Increment | |
72 | * it to avoid a double-destroy (possibly infinitely recursive). | |
73 | * This could happen for example if a destruction listener did | |
74 | * bt_object_get_ref() (or anything that causes | |
75 | * bt_object_get_ref() to be called) on the trace (ref. | |
76 | * count goes from 0 to 1), and then bt_object_put_ref(): the | |
77 | * reference count would go from 1 to 0 again and this function | |
78 | * would be called again. | |
79 | */ | |
80 | trace->base.ref_count++; | |
81 | ||
42a63165 SM |
82 | saved_error = bt_current_thread_take_error(); |
83 | ||
ad5268b5 FD |
84 | /* Call all the trace destruction listeners */ |
85 | for (i = 0; i < trace->destruction_listeners->len; i++) { | |
86 | struct bt_trace_destruction_listener_elem elem = | |
87 | g_array_index(trace->destruction_listeners, | |
88 | struct bt_trace_destruction_listener_elem, i); | |
89 | ||
90 | if (elem.func) { | |
91 | elem.func(trace, elem.data); | |
6ecdcca3 | 92 | BT_ASSERT_POST_NO_ERROR(); |
3dca2276 | 93 | } |
c47a6bec SM |
94 | |
95 | /* | |
96 | * The destruction listener should not have kept a | |
97 | * reference to the trace. | |
98 | */ | |
3c634c85 | 99 | BT_ASSERT_POST(trace->base.ref_count == 1, "Destruction listener kept a reference to the trace being destroyed: %![trace-]+t", trace); |
3dca2276 | 100 | } |
ad5268b5 FD |
101 | g_array_free(trace->destruction_listeners, TRUE); |
102 | trace->destruction_listeners = NULL; | |
42a63165 SM |
103 | |
104 | if (saved_error) { | |
105 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(saved_error); | |
106 | } | |
bc37ae52 JG |
107 | } |
108 | ||
44c440bc PP |
109 | if (trace->name.str) { |
110 | g_string_free(trace->name.str, TRUE); | |
238b7404 PP |
111 | trace->name.str = NULL; |
112 | trace->name.value = NULL; | |
95c09b3a PP |
113 | } |
114 | ||
335a2da5 PP |
115 | if (trace->environment) { |
116 | BT_LOGD_STR("Destroying environment attributes."); | |
117 | bt_attributes_destroy(trace->environment); | |
118 | trace->environment = NULL; | |
119 | } | |
120 | ||
44c440bc PP |
121 | if (trace->streams) { |
122 | BT_LOGD_STR("Destroying streams."); | |
123 | g_ptr_array_free(trace->streams, TRUE); | |
238b7404 | 124 | trace->streams = NULL; |
bc37ae52 JG |
125 | } |
126 | ||
44c440bc PP |
127 | if (trace->stream_classes_stream_count) { |
128 | g_hash_table_destroy(trace->stream_classes_stream_count); | |
238b7404 | 129 | trace->stream_classes_stream_count = NULL; |
44c440bc | 130 | } |
3dca2276 | 131 | |
862ca4ed PP |
132 | BT_LOGD_STR("Putting trace's class."); |
133 | bt_object_put_ref(trace->class); | |
134 | trace->class = NULL; | |
44c440bc | 135 | g_free(trace); |
3dca2276 PP |
136 | } |
137 | ||
862ca4ed | 138 | struct bt_trace *bt_trace_create(struct bt_trace_class *tc) |
3dca2276 PP |
139 | { |
140 | struct bt_trace *trace = NULL; | |
3dca2276 | 141 | |
17f3083a SM |
142 | BT_ASSERT_PRE_NO_ERROR(); |
143 | ||
862ca4ed | 144 | BT_LIB_LOGD("Creating trace object: %![tc-]+T", tc); |
3dca2276 PP |
145 | trace = g_new0(struct bt_trace, 1); |
146 | if (!trace) { | |
870631a2 | 147 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one trace."); |
3dca2276 PP |
148 | goto error; |
149 | } | |
150 | ||
862ca4ed | 151 | bt_object_init_shared(&trace->base, destroy_trace); |
c6962c96 PP |
152 | trace->user_attributes = bt_value_map_create(); |
153 | if (!trace->user_attributes) { | |
154 | BT_LIB_LOGE_APPEND_CAUSE( | |
155 | "Failed to create a map value object."); | |
156 | goto error; | |
157 | } | |
158 | ||
44c440bc PP |
159 | trace->streams = g_ptr_array_new_with_free_func( |
160 | (GDestroyNotify) bt_object_try_spec_release); | |
161 | if (!trace->streams) { | |
870631a2 | 162 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
3dca2276 PP |
163 | goto error; |
164 | } | |
165 | ||
44c440bc PP |
166 | trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash, |
167 | g_direct_equal); | |
168 | if (!trace->stream_classes_stream_count) { | |
870631a2 | 169 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GHashTable."); |
44c440bc PP |
170 | goto error; |
171 | } | |
172 | ||
173 | trace->name.str = g_string_new(NULL); | |
174 | if (!trace->name.str) { | |
870631a2 | 175 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString."); |
44c440bc PP |
176 | goto error; |
177 | } | |
178 | ||
335a2da5 PP |
179 | trace->environment = bt_attributes_create(); |
180 | if (!trace->environment) { | |
181 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create empty attributes object."); | |
182 | goto error; | |
183 | } | |
184 | ||
ad5268b5 FD |
185 | trace->destruction_listeners = g_array_new(FALSE, TRUE, |
186 | sizeof(struct bt_trace_destruction_listener_elem)); | |
187 | if (!trace->destruction_listeners) { | |
870631a2 | 188 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GArray."); |
3602afb0 PP |
189 | goto error; |
190 | } | |
191 | ||
862ca4ed | 192 | trace->class = tc; |
6871026b | 193 | bt_object_get_ref_no_null_check(trace->class); |
44c440bc PP |
194 | BT_LIB_LOGD("Created trace object: %!+t", trace); |
195 | goto end; | |
bc37ae52 | 196 | |
bc37ae52 | 197 | error: |
65300d60 | 198 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
44c440bc PP |
199 | |
200 | end: | |
862ca4ed | 201 | return trace; |
bc37ae52 JG |
202 | } |
203 | ||
40f4ba76 | 204 | const char *bt_trace_get_name(const struct bt_trace *trace) |
e96045d4 | 205 | { |
bdb288b3 | 206 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
44c440bc | 207 | return trace->name.value; |
e96045d4 JG |
208 | } |
209 | ||
d24d5663 PP |
210 | enum bt_trace_set_name_status bt_trace_set_name(struct bt_trace *trace, |
211 | const char *name) | |
e96045d4 | 212 | { |
17f3083a | 213 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc PP |
214 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
215 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
bdb288b3 | 216 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
44c440bc PP |
217 | g_string_assign(trace->name.str, name); |
218 | trace->name.value = trace->name.str->str; | |
3f7d4d90 | 219 | BT_LIB_LOGD("Set trace's name: %!+t", trace); |
d24d5663 | 220 | return BT_FUNC_STATUS_OK; |
e96045d4 JG |
221 | } |
222 | ||
335a2da5 PP |
223 | bt_uuid bt_trace_get_uuid(const struct bt_trace *trace) |
224 | { | |
bdb288b3 | 225 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
335a2da5 PP |
226 | return trace->uuid.value; |
227 | } | |
228 | ||
229 | void bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid) | |
230 | { | |
231 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
232 | BT_ASSERT_PRE_NON_NULL(uuid, "UUID"); | |
bdb288b3 | 233 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
6162e6b7 | 234 | bt_uuid_copy(trace->uuid.uuid, uuid); |
335a2da5 PP |
235 | trace->uuid.value = trace->uuid.uuid; |
236 | BT_LIB_LOGD("Set trace's UUID: %!+t", trace); | |
237 | } | |
238 | ||
335a2da5 PP |
239 | static |
240 | bool trace_has_environment_entry(const struct bt_trace *trace, const char *name) | |
241 | { | |
242 | BT_ASSERT(trace); | |
243 | ||
244 | return bt_attributes_borrow_field_value_by_name( | |
5084732e | 245 | trace->environment, name); |
335a2da5 PP |
246 | } |
247 | ||
248 | static | |
249 | enum bt_trace_set_environment_entry_status set_environment_entry( | |
250 | struct bt_trace *trace, | |
251 | const char *name, struct bt_value *value) | |
252 | { | |
253 | int ret; | |
254 | ||
255 | BT_ASSERT(trace); | |
256 | BT_ASSERT(name); | |
257 | BT_ASSERT(value); | |
258 | BT_ASSERT_PRE(!trace->frozen || | |
259 | !trace_has_environment_entry(trace, name), | |
260 | "Trace is frozen: cannot replace environment entry: " | |
261 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
262 | ret = bt_attributes_set_field_value(trace->environment, name, | |
263 | value); | |
264 | if (ret) { | |
265 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
266 | BT_LIB_LOGE_APPEND_CAUSE( | |
267 | "Cannot set trace's environment entry: " | |
268 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
269 | } else { | |
270 | bt_value_freeze(value); | |
271 | BT_LIB_LOGD("Set trace's environment entry: " | |
272 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
273 | } | |
274 | ||
275 | return ret; | |
276 | } | |
277 | ||
278 | enum bt_trace_set_environment_entry_status | |
279 | bt_trace_set_environment_entry_string( | |
280 | struct bt_trace *trace, const char *name, const char *value) | |
281 | { | |
282 | int ret; | |
283 | struct bt_value *value_obj; | |
17f3083a SM |
284 | |
285 | BT_ASSERT_PRE_NO_ERROR(); | |
335a2da5 PP |
286 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
287 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
288 | BT_ASSERT_PRE_NON_NULL(value, "Value"); | |
17f3083a | 289 | |
335a2da5 PP |
290 | value_obj = bt_value_string_create_init(value); |
291 | if (!value_obj) { | |
292 | BT_LIB_LOGE_APPEND_CAUSE( | |
293 | "Cannot create a string value object."); | |
294 | ret = -1; | |
295 | goto end; | |
296 | } | |
297 | ||
298 | /* set_environment_entry() logs errors */ | |
299 | ret = set_environment_entry(trace, name, value_obj); | |
300 | ||
301 | end: | |
302 | bt_object_put_ref(value_obj); | |
303 | return ret; | |
304 | } | |
305 | ||
306 | enum bt_trace_set_environment_entry_status | |
307 | bt_trace_set_environment_entry_integer( | |
308 | struct bt_trace *trace, const char *name, int64_t value) | |
309 | { | |
310 | int ret; | |
311 | struct bt_value *value_obj; | |
17f3083a SM |
312 | |
313 | BT_ASSERT_PRE_NO_ERROR(); | |
335a2da5 PP |
314 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
315 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
17f3083a | 316 | |
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 | { | |
bdb288b3 | 335 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
99b4b64b | 336 | return bt_attributes_get_count(trace->environment); |
335a2da5 PP |
337 | } |
338 | ||
339 | void bt_trace_borrow_environment_entry_by_index_const( | |
340 | const struct bt_trace *trace, uint64_t index, | |
341 | const char **name, const struct bt_value **value) | |
342 | { | |
bdb288b3 PP |
343 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
344 | BT_ASSERT_PRE_DEV_NON_NULL(name, "Name"); | |
345 | BT_ASSERT_PRE_DEV_NON_NULL(value, "Value"); | |
346 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, | |
335a2da5 PP |
347 | bt_attributes_get_count(trace->environment)); |
348 | *value = bt_attributes_borrow_field_value(trace->environment, index); | |
349 | BT_ASSERT(*value); | |
350 | *name = bt_attributes_get_field_name(trace->environment, index); | |
351 | BT_ASSERT(*name); | |
352 | } | |
353 | ||
354 | const struct bt_value *bt_trace_borrow_environment_entry_value_by_name_const( | |
355 | const struct bt_trace *trace, const char *name) | |
356 | { | |
bdb288b3 PP |
357 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
358 | BT_ASSERT_PRE_DEV_NON_NULL(name, "Name"); | |
335a2da5 PP |
359 | return bt_attributes_borrow_field_value_by_name(trace->environment, |
360 | name); | |
361 | } | |
362 | ||
40f4ba76 | 363 | uint64_t bt_trace_get_stream_count(const struct bt_trace *trace) |
bc37ae52 | 364 | { |
bdb288b3 | 365 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
44c440bc PP |
366 | return (uint64_t) trace->streams->len; |
367 | } | |
95c09b3a | 368 | |
44c440bc PP |
369 | struct bt_stream *bt_trace_borrow_stream_by_index( |
370 | struct bt_trace *trace, uint64_t index) | |
371 | { | |
bdb288b3 PP |
372 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
373 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, trace->streams->len); | |
44c440bc PP |
374 | return g_ptr_array_index(trace->streams, index); |
375 | } | |
cb6f1f7d | 376 | |
40f4ba76 PP |
377 | const struct bt_stream *bt_trace_borrow_stream_by_index_const( |
378 | const struct bt_trace *trace, uint64_t index) | |
e5be10ef | 379 | { |
40f4ba76 | 380 | return bt_trace_borrow_stream_by_index((void *) trace, index); |
e5be10ef PP |
381 | } |
382 | ||
40f4ba76 PP |
383 | struct bt_stream *bt_trace_borrow_stream_by_id(struct bt_trace *trace, |
384 | uint64_t id) | |
44c440bc PP |
385 | { |
386 | struct bt_stream *stream = NULL; | |
387 | uint64_t i; | |
bc37ae52 | 388 | |
bdb288b3 | 389 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
bc37ae52 | 390 | |
44c440bc PP |
391 | for (i = 0; i < trace->streams->len; i++) { |
392 | struct bt_stream *stream_candidate = | |
393 | g_ptr_array_index(trace->streams, i); | |
cfeb617e | 394 | |
44c440bc PP |
395 | if (stream_candidate->id == id) { |
396 | stream = stream_candidate; | |
397 | goto end; | |
398 | } | |
6474e016 | 399 | } |
95c09b3a | 400 | |
bc37ae52 | 401 | end: |
44c440bc | 402 | return stream; |
bc37ae52 JG |
403 | } |
404 | ||
40f4ba76 PP |
405 | const struct bt_stream *bt_trace_borrow_stream_by_id_const( |
406 | const struct bt_trace *trace, uint64_t id) | |
e5be10ef | 407 | { |
40f4ba76 | 408 | return bt_trace_borrow_stream_by_id((void *) trace, id); |
e5be10ef PP |
409 | } |
410 | ||
d24d5663 | 411 | enum bt_trace_add_listener_status bt_trace_add_destruction_listener( |
40f4ba76 | 412 | const struct bt_trace *c_trace, |
ad5268b5 | 413 | bt_trace_destruction_listener_func listener, |
2054a0d1 | 414 | void *data, bt_listener_id *listener_id) |
3602afb0 | 415 | { |
40f4ba76 | 416 | struct bt_trace *trace = (void *) c_trace; |
44c440bc | 417 | uint64_t i; |
ad5268b5 | 418 | struct bt_trace_destruction_listener_elem new_elem = { |
3602afb0 PP |
419 | .func = listener, |
420 | .data = data, | |
421 | }; | |
422 | ||
17f3083a | 423 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc PP |
424 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
425 | BT_ASSERT_PRE_NON_NULL(listener, "Listener"); | |
8480c8cc | 426 | |
3602afb0 | 427 | /* Find the next available spot */ |
ad5268b5 FD |
428 | for (i = 0; i < trace->destruction_listeners->len; i++) { |
429 | struct bt_trace_destruction_listener_elem elem = | |
430 | g_array_index(trace->destruction_listeners, | |
431 | struct bt_trace_destruction_listener_elem, i); | |
3602afb0 PP |
432 | |
433 | if (!elem.func) { | |
434 | break; | |
435 | } | |
436 | } | |
437 | ||
ad5268b5 FD |
438 | if (i == trace->destruction_listeners->len) { |
439 | g_array_append_val(trace->destruction_listeners, new_elem); | |
3602afb0 | 440 | } else { |
ad5268b5 | 441 | g_array_insert_val(trace->destruction_listeners, i, new_elem); |
3602afb0 PP |
442 | } |
443 | ||
44c440bc PP |
444 | if (listener_id) { |
445 | *listener_id = i; | |
446 | } | |
3602afb0 | 447 | |
3f7d4d90 | 448 | BT_LIB_LOGD("Added destruction listener: " "%![trace-]+t, " |
ad5268b5 | 449 | "listener-id=%" PRIu64, trace, i); |
d24d5663 | 450 | return BT_FUNC_STATUS_OK; |
44c440bc PP |
451 | } |
452 | ||
44c440bc | 453 | static |
40f4ba76 | 454 | bool has_listener_id(const struct bt_trace *trace, uint64_t listener_id) |
44c440bc | 455 | { |
ad5268b5 FD |
456 | BT_ASSERT(listener_id < trace->destruction_listeners->len); |
457 | return (&g_array_index(trace->destruction_listeners, | |
458 | struct bt_trace_destruction_listener_elem, | |
5084732e | 459 | listener_id))->func; |
3602afb0 PP |
460 | } |
461 | ||
d24d5663 | 462 | enum bt_trace_remove_listener_status bt_trace_remove_destruction_listener( |
2054a0d1 | 463 | const struct bt_trace *c_trace, bt_listener_id listener_id) |
3602afb0 | 464 | { |
40f4ba76 | 465 | struct bt_trace *trace = (void *) c_trace; |
ad5268b5 | 466 | struct bt_trace_destruction_listener_elem *elem; |
3602afb0 | 467 | |
17f3083a | 468 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc | 469 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 470 | BT_ASSERT_PRE(has_listener_id(trace, listener_id), |
ad5268b5 | 471 | "Trace has no such trace destruction listener ID: " |
44c440bc | 472 | "%![trace-]+t, %" PRIu64, trace, listener_id); |
ad5268b5 FD |
473 | elem = &g_array_index(trace->destruction_listeners, |
474 | struct bt_trace_destruction_listener_elem, | |
3602afb0 | 475 | listener_id); |
44c440bc | 476 | BT_ASSERT(elem->func); |
3602afb0 PP |
477 | |
478 | elem->func = NULL; | |
479 | elem->data = NULL; | |
3f7d4d90 | 480 | BT_LIB_LOGD("Removed \"trace destruction listener: " |
44c440bc PP |
481 | "%![trace-]+t, listener-id=%" PRIu64, |
482 | trace, listener_id); | |
d24d5663 | 483 | return BT_FUNC_STATUS_OK; |
44c440bc | 484 | } |
3602afb0 | 485 | |
44c440bc | 486 | BT_HIDDEN |
40f4ba76 | 487 | void _bt_trace_freeze(const struct bt_trace *trace) |
44c440bc | 488 | { |
44c440bc | 489 | BT_ASSERT(trace); |
862ca4ed PP |
490 | BT_LIB_LOGD("Freezing trace's class: %!+T", trace->class); |
491 | bt_trace_class_freeze(trace->class); | |
c6962c96 PP |
492 | BT_LIB_LOGD("Freezing trace's user attributes: %!+v", |
493 | trace->user_attributes); | |
494 | bt_value_freeze(trace->user_attributes); | |
44c440bc | 495 | BT_LIB_LOGD("Freezing trace: %!+t", trace); |
40f4ba76 | 496 | ((struct bt_trace *) trace)->frozen = true; |
5acf2ae6 | 497 | } |
312c056a | 498 | |
44c440bc PP |
499 | BT_HIDDEN |
500 | void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream) | |
501 | { | |
502 | guint count = 0; | |
503 | ||
504 | bt_object_set_parent(&stream->base, &trace->base); | |
505 | g_ptr_array_add(trace->streams, stream); | |
cb6f1f7d | 506 | bt_trace_freeze(trace); |
312c056a | 507 | |
44c440bc PP |
508 | if (bt_g_hash_table_contains(trace->stream_classes_stream_count, |
509 | stream->class)) { | |
510 | count = GPOINTER_TO_UINT(g_hash_table_lookup( | |
511 | trace->stream_classes_stream_count, stream->class)); | |
312c056a PP |
512 | } |
513 | ||
44c440bc PP |
514 | g_hash_table_insert(trace->stream_classes_stream_count, |
515 | stream->class, GUINT_TO_POINTER(count + 1)); | |
516 | } | |
517 | ||
518 | BT_HIDDEN | |
40f4ba76 PP |
519 | uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace, |
520 | const struct bt_stream_class *stream_class) | |
44c440bc PP |
521 | { |
522 | gpointer orig_key; | |
523 | gpointer value; | |
524 | uint64_t id = 0; | |
525 | ||
526 | BT_ASSERT(stream_class); | |
527 | BT_ASSERT(trace); | |
528 | if (g_hash_table_lookup_extended(trace->stream_classes_stream_count, | |
529 | stream_class, &orig_key, &value)) { | |
530 | id = (uint64_t) GPOINTER_TO_UINT(value); | |
531 | } | |
532 | ||
533 | return id; | |
312c056a | 534 | } |
862ca4ed PP |
535 | |
536 | struct bt_trace_class *bt_trace_borrow_class(struct bt_trace *trace) | |
537 | { | |
bdb288b3 | 538 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
862ca4ed PP |
539 | return trace->class; |
540 | } | |
541 | ||
542 | const struct bt_trace_class *bt_trace_borrow_class_const( | |
543 | const struct bt_trace *trace) | |
544 | { | |
545 | return bt_trace_borrow_class((void *) trace); | |
546 | } | |
c5b9b441 | 547 | |
c6962c96 PP |
548 | const struct bt_value *bt_trace_borrow_user_attributes_const( |
549 | const struct bt_trace *trace) | |
550 | { | |
551 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); | |
552 | return trace->user_attributes; | |
553 | } | |
554 | ||
555 | struct bt_value *bt_trace_borrow_user_attributes(struct bt_trace *trace) | |
556 | { | |
557 | return (void *) bt_trace_borrow_user_attributes_const((void *) trace); | |
558 | } | |
559 | ||
560 | void bt_trace_set_user_attributes( | |
561 | struct bt_trace *trace, | |
562 | const struct bt_value *user_attributes) | |
563 | { | |
564 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
565 | BT_ASSERT_PRE_NON_NULL(user_attributes, "User attributes"); | |
566 | BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP, | |
567 | "User attributes object is not a map value object."); | |
568 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); | |
6871026b | 569 | bt_object_put_ref_no_null_check(trace->user_attributes); |
c6962c96 | 570 | trace->user_attributes = (void *) user_attributes; |
6871026b | 571 | bt_object_get_ref_no_null_check(trace->user_attributes); |
c6962c96 PP |
572 | } |
573 | ||
c5b9b441 PP |
574 | void bt_trace_get_ref(const struct bt_trace *trace) |
575 | { | |
576 | bt_object_get_ref(trace); | |
577 | } | |
578 | ||
579 | void bt_trace_put_ref(const struct bt_trace *trace) | |
580 | { | |
581 | bt_object_put_ref(trace); | |
582 | } |