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 | |
578e048b | 11 | #include "lib/assert-pre.h" |
3c634c85 | 12 | #include "lib/assert-post.h" |
3fadfbc0 | 13 | #include <babeltrace2/trace-ir/trace.h> |
3fadfbc0 | 14 | #include <babeltrace2/trace-ir/event-class.h> |
578e048b MJ |
15 | #include "ctf-writer/functor.h" |
16 | #include "ctf-writer/clock.h" | |
17 | #include "compat/compiler.h" | |
3fadfbc0 | 18 | #include <babeltrace2/value.h> |
578e048b | 19 | #include "lib/value.h" |
3fadfbc0 | 20 | #include <babeltrace2/types.h> |
578e048b MJ |
21 | #include "compat/endian.h" |
22 | #include "common/assert.h" | |
23 | #include "compat/glib.h" | |
dc3fffef | 24 | #include <inttypes.h> |
544d0515 | 25 | #include <stdint.h> |
4a32fda0 | 26 | #include <string.h> |
c4f23e30 | 27 | #include <stdbool.h> |
0fbb9a9f | 28 | #include <stdlib.h> |
bc37ae52 | 29 | |
578e048b MJ |
30 | #include "attributes.h" |
31 | #include "clock-class.h" | |
32 | #include "event-class.h" | |
33 | #include "event.h" | |
34 | #include "field-class.h" | |
35 | #include "field-wrapper.h" | |
36 | #include "resolve-field-path.h" | |
37 | #include "stream-class.h" | |
38 | #include "stream.h" | |
39 | #include "trace-class.h" | |
40 | #include "trace.h" | |
41 | #include "utils.h" | |
c6962c96 | 42 | #include "lib/value.h" |
d24d5663 | 43 | #include "lib/func-status.h" |
578e048b | 44 | |
ad5268b5 FD |
45 | struct bt_trace_destruction_listener_elem { |
46 | bt_trace_destruction_listener_func func; | |
3602afb0 PP |
47 | void *data; |
48 | }; | |
49 | ||
bdb288b3 PP |
50 | #define BT_ASSERT_PRE_DEV_TRACE_HOT(_trace) \ |
51 | BT_ASSERT_PRE_DEV_HOT((_trace), "Trace", ": %!+t", (_trace)) | |
cb6f1f7d | 52 | |
bc37ae52 | 53 | static |
44c440bc | 54 | void destroy_trace(struct bt_object *obj) |
3dca2276 PP |
55 | { |
56 | struct bt_trace *trace = (void *) obj; | |
bc37ae52 | 57 | |
44c440bc | 58 | BT_LIB_LOGD("Destroying trace object: %!+t", trace); |
c6962c96 | 59 | BT_OBJECT_PUT_REF_AND_RESET(trace->user_attributes); |
bc37ae52 | 60 | |
3dca2276 | 61 | /* |
ad5268b5 FD |
62 | * Call destruction listener functions so that everything else |
63 | * still exists in the trace. | |
3dca2276 | 64 | */ |
ad5268b5 FD |
65 | if (trace->destruction_listeners) { |
66 | uint64_t i; | |
42a63165 SM |
67 | const struct bt_error *saved_error; |
68 | ||
3f7d4d90 | 69 | BT_LIB_LOGD("Calling trace destruction listener(s): %!+t", trace); |
c47a6bec SM |
70 | |
71 | /* | |
72 | * The trace's reference count is 0 if we're here. Increment | |
73 | * it to avoid a double-destroy (possibly infinitely recursive). | |
74 | * This could happen for example if a destruction listener did | |
75 | * bt_object_get_ref() (or anything that causes | |
76 | * bt_object_get_ref() to be called) on the trace (ref. | |
77 | * count goes from 0 to 1), and then bt_object_put_ref(): the | |
78 | * reference count would go from 1 to 0 again and this function | |
79 | * would be called again. | |
80 | */ | |
81 | trace->base.ref_count++; | |
82 | ||
42a63165 SM |
83 | saved_error = bt_current_thread_take_error(); |
84 | ||
ad5268b5 FD |
85 | /* Call all the trace destruction listeners */ |
86 | for (i = 0; i < trace->destruction_listeners->len; i++) { | |
87 | struct bt_trace_destruction_listener_elem elem = | |
88 | g_array_index(trace->destruction_listeners, | |
89 | struct bt_trace_destruction_listener_elem, i); | |
90 | ||
91 | if (elem.func) { | |
92 | elem.func(trace, elem.data); | |
6ecdcca3 | 93 | BT_ASSERT_POST_NO_ERROR(); |
3dca2276 | 94 | } |
c47a6bec SM |
95 | |
96 | /* | |
97 | * The destruction listener should not have kept a | |
98 | * reference to the trace. | |
99 | */ | |
3c634c85 | 100 | BT_ASSERT_POST(trace->base.ref_count == 1, "Destruction listener kept a reference to the trace being destroyed: %![trace-]+t", trace); |
3dca2276 | 101 | } |
ad5268b5 FD |
102 | g_array_free(trace->destruction_listeners, TRUE); |
103 | trace->destruction_listeners = NULL; | |
42a63165 SM |
104 | |
105 | if (saved_error) { | |
106 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(saved_error); | |
107 | } | |
bc37ae52 JG |
108 | } |
109 | ||
44c440bc PP |
110 | if (trace->name.str) { |
111 | g_string_free(trace->name.str, TRUE); | |
238b7404 PP |
112 | trace->name.str = NULL; |
113 | trace->name.value = NULL; | |
95c09b3a PP |
114 | } |
115 | ||
335a2da5 PP |
116 | if (trace->environment) { |
117 | BT_LOGD_STR("Destroying environment attributes."); | |
118 | bt_attributes_destroy(trace->environment); | |
119 | trace->environment = NULL; | |
120 | } | |
121 | ||
44c440bc PP |
122 | if (trace->streams) { |
123 | BT_LOGD_STR("Destroying streams."); | |
124 | g_ptr_array_free(trace->streams, TRUE); | |
238b7404 | 125 | trace->streams = NULL; |
bc37ae52 JG |
126 | } |
127 | ||
44c440bc PP |
128 | if (trace->stream_classes_stream_count) { |
129 | g_hash_table_destroy(trace->stream_classes_stream_count); | |
238b7404 | 130 | trace->stream_classes_stream_count = NULL; |
44c440bc | 131 | } |
3dca2276 | 132 | |
862ca4ed PP |
133 | BT_LOGD_STR("Putting trace's class."); |
134 | bt_object_put_ref(trace->class); | |
135 | trace->class = NULL; | |
44c440bc | 136 | g_free(trace); |
3dca2276 PP |
137 | } |
138 | ||
862ca4ed | 139 | struct bt_trace *bt_trace_create(struct bt_trace_class *tc) |
3dca2276 PP |
140 | { |
141 | struct bt_trace *trace = NULL; | |
3dca2276 | 142 | |
17f3083a SM |
143 | BT_ASSERT_PRE_NO_ERROR(); |
144 | ||
862ca4ed | 145 | BT_LIB_LOGD("Creating trace object: %![tc-]+T", tc); |
3dca2276 PP |
146 | trace = g_new0(struct bt_trace, 1); |
147 | if (!trace) { | |
870631a2 | 148 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one trace."); |
3dca2276 PP |
149 | goto error; |
150 | } | |
151 | ||
862ca4ed | 152 | bt_object_init_shared(&trace->base, destroy_trace); |
c6962c96 PP |
153 | trace->user_attributes = bt_value_map_create(); |
154 | if (!trace->user_attributes) { | |
155 | BT_LIB_LOGE_APPEND_CAUSE( | |
156 | "Failed to create a map value object."); | |
157 | goto error; | |
158 | } | |
159 | ||
44c440bc PP |
160 | trace->streams = g_ptr_array_new_with_free_func( |
161 | (GDestroyNotify) bt_object_try_spec_release); | |
162 | if (!trace->streams) { | |
870631a2 | 163 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
3dca2276 PP |
164 | goto error; |
165 | } | |
166 | ||
44c440bc PP |
167 | trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash, |
168 | g_direct_equal); | |
169 | if (!trace->stream_classes_stream_count) { | |
870631a2 | 170 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GHashTable."); |
44c440bc PP |
171 | goto error; |
172 | } | |
173 | ||
174 | trace->name.str = g_string_new(NULL); | |
175 | if (!trace->name.str) { | |
870631a2 | 176 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString."); |
44c440bc PP |
177 | goto error; |
178 | } | |
179 | ||
335a2da5 PP |
180 | trace->environment = bt_attributes_create(); |
181 | if (!trace->environment) { | |
182 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create empty attributes object."); | |
183 | goto error; | |
184 | } | |
185 | ||
ad5268b5 FD |
186 | trace->destruction_listeners = g_array_new(FALSE, TRUE, |
187 | sizeof(struct bt_trace_destruction_listener_elem)); | |
188 | if (!trace->destruction_listeners) { | |
870631a2 | 189 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GArray."); |
3602afb0 PP |
190 | goto error; |
191 | } | |
192 | ||
862ca4ed | 193 | trace->class = tc; |
6871026b | 194 | bt_object_get_ref_no_null_check(trace->class); |
44c440bc PP |
195 | BT_LIB_LOGD("Created trace object: %!+t", trace); |
196 | goto end; | |
bc37ae52 | 197 | |
bc37ae52 | 198 | error: |
65300d60 | 199 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
44c440bc PP |
200 | |
201 | end: | |
862ca4ed | 202 | return trace; |
bc37ae52 JG |
203 | } |
204 | ||
40f4ba76 | 205 | const char *bt_trace_get_name(const struct bt_trace *trace) |
e96045d4 | 206 | { |
bdb288b3 | 207 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
44c440bc | 208 | return trace->name.value; |
e96045d4 JG |
209 | } |
210 | ||
d24d5663 PP |
211 | enum bt_trace_set_name_status bt_trace_set_name(struct bt_trace *trace, |
212 | const char *name) | |
e96045d4 | 213 | { |
17f3083a | 214 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc PP |
215 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
216 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
bdb288b3 | 217 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
44c440bc PP |
218 | g_string_assign(trace->name.str, name); |
219 | trace->name.value = trace->name.str->str; | |
3f7d4d90 | 220 | BT_LIB_LOGD("Set trace's name: %!+t", trace); |
d24d5663 | 221 | return BT_FUNC_STATUS_OK; |
e96045d4 JG |
222 | } |
223 | ||
335a2da5 PP |
224 | bt_uuid bt_trace_get_uuid(const struct bt_trace *trace) |
225 | { | |
bdb288b3 | 226 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
335a2da5 PP |
227 | return trace->uuid.value; |
228 | } | |
229 | ||
230 | void bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid) | |
231 | { | |
232 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
233 | BT_ASSERT_PRE_NON_NULL(uuid, "UUID"); | |
bdb288b3 | 234 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
6162e6b7 | 235 | bt_uuid_copy(trace->uuid.uuid, uuid); |
335a2da5 PP |
236 | trace->uuid.value = trace->uuid.uuid; |
237 | BT_LIB_LOGD("Set trace's UUID: %!+t", trace); | |
238 | } | |
239 | ||
335a2da5 PP |
240 | static |
241 | bool trace_has_environment_entry(const struct bt_trace *trace, const char *name) | |
242 | { | |
243 | BT_ASSERT(trace); | |
244 | ||
245 | return bt_attributes_borrow_field_value_by_name( | |
5084732e | 246 | trace->environment, name); |
335a2da5 PP |
247 | } |
248 | ||
249 | static | |
250 | enum bt_trace_set_environment_entry_status set_environment_entry( | |
251 | struct bt_trace *trace, | |
252 | const char *name, struct bt_value *value) | |
253 | { | |
254 | int ret; | |
255 | ||
256 | BT_ASSERT(trace); | |
257 | BT_ASSERT(name); | |
258 | BT_ASSERT(value); | |
259 | BT_ASSERT_PRE(!trace->frozen || | |
260 | !trace_has_environment_entry(trace, name), | |
261 | "Trace is frozen: cannot replace environment entry: " | |
262 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
263 | ret = bt_attributes_set_field_value(trace->environment, name, | |
264 | value); | |
265 | if (ret) { | |
266 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
267 | BT_LIB_LOGE_APPEND_CAUSE( | |
268 | "Cannot set trace's environment entry: " | |
269 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
270 | } else { | |
271 | bt_value_freeze(value); | |
272 | BT_LIB_LOGD("Set trace's environment entry: " | |
273 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
274 | } | |
275 | ||
276 | return ret; | |
277 | } | |
278 | ||
279 | enum bt_trace_set_environment_entry_status | |
280 | bt_trace_set_environment_entry_string( | |
281 | struct bt_trace *trace, const char *name, const char *value) | |
282 | { | |
283 | int ret; | |
284 | struct bt_value *value_obj; | |
17f3083a SM |
285 | |
286 | BT_ASSERT_PRE_NO_ERROR(); | |
335a2da5 PP |
287 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
288 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
289 | BT_ASSERT_PRE_NON_NULL(value, "Value"); | |
17f3083a | 290 | |
335a2da5 PP |
291 | value_obj = bt_value_string_create_init(value); |
292 | if (!value_obj) { | |
293 | BT_LIB_LOGE_APPEND_CAUSE( | |
294 | "Cannot create a string value object."); | |
295 | ret = -1; | |
296 | goto end; | |
297 | } | |
298 | ||
299 | /* set_environment_entry() logs errors */ | |
300 | ret = set_environment_entry(trace, name, value_obj); | |
301 | ||
302 | end: | |
303 | bt_object_put_ref(value_obj); | |
304 | return ret; | |
305 | } | |
306 | ||
307 | enum bt_trace_set_environment_entry_status | |
308 | bt_trace_set_environment_entry_integer( | |
309 | struct bt_trace *trace, const char *name, int64_t value) | |
310 | { | |
311 | int ret; | |
312 | struct bt_value *value_obj; | |
17f3083a SM |
313 | |
314 | BT_ASSERT_PRE_NO_ERROR(); | |
335a2da5 PP |
315 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
316 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
17f3083a | 317 | |
9c08c816 | 318 | value_obj = bt_value_integer_signed_create_init(value); |
335a2da5 PP |
319 | if (!value_obj) { |
320 | BT_LIB_LOGE_APPEND_CAUSE( | |
321 | "Cannot create an integer value object."); | |
322 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
323 | goto end; | |
324 | } | |
325 | ||
326 | /* set_environment_entry() logs errors */ | |
327 | ret = set_environment_entry(trace, name, value_obj); | |
328 | ||
329 | end: | |
330 | bt_object_put_ref(value_obj); | |
331 | return ret; | |
332 | } | |
333 | ||
334 | uint64_t bt_trace_get_environment_entry_count(const struct bt_trace *trace) | |
335 | { | |
bdb288b3 | 336 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
99b4b64b | 337 | return bt_attributes_get_count(trace->environment); |
335a2da5 PP |
338 | } |
339 | ||
340 | void bt_trace_borrow_environment_entry_by_index_const( | |
341 | const struct bt_trace *trace, uint64_t index, | |
342 | const char **name, const struct bt_value **value) | |
343 | { | |
bdb288b3 PP |
344 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
345 | BT_ASSERT_PRE_DEV_NON_NULL(name, "Name"); | |
346 | BT_ASSERT_PRE_DEV_NON_NULL(value, "Value"); | |
347 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, | |
335a2da5 PP |
348 | bt_attributes_get_count(trace->environment)); |
349 | *value = bt_attributes_borrow_field_value(trace->environment, index); | |
350 | BT_ASSERT(*value); | |
351 | *name = bt_attributes_get_field_name(trace->environment, index); | |
352 | BT_ASSERT(*name); | |
353 | } | |
354 | ||
355 | const struct bt_value *bt_trace_borrow_environment_entry_value_by_name_const( | |
356 | const struct bt_trace *trace, const char *name) | |
357 | { | |
bdb288b3 PP |
358 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
359 | BT_ASSERT_PRE_DEV_NON_NULL(name, "Name"); | |
335a2da5 PP |
360 | return bt_attributes_borrow_field_value_by_name(trace->environment, |
361 | name); | |
362 | } | |
363 | ||
40f4ba76 | 364 | uint64_t bt_trace_get_stream_count(const struct bt_trace *trace) |
bc37ae52 | 365 | { |
bdb288b3 | 366 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
44c440bc PP |
367 | return (uint64_t) trace->streams->len; |
368 | } | |
95c09b3a | 369 | |
44c440bc PP |
370 | struct bt_stream *bt_trace_borrow_stream_by_index( |
371 | struct bt_trace *trace, uint64_t index) | |
372 | { | |
bdb288b3 PP |
373 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
374 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, trace->streams->len); | |
44c440bc PP |
375 | return g_ptr_array_index(trace->streams, index); |
376 | } | |
cb6f1f7d | 377 | |
40f4ba76 PP |
378 | const struct bt_stream *bt_trace_borrow_stream_by_index_const( |
379 | const struct bt_trace *trace, uint64_t index) | |
e5be10ef | 380 | { |
40f4ba76 | 381 | return bt_trace_borrow_stream_by_index((void *) trace, index); |
e5be10ef PP |
382 | } |
383 | ||
40f4ba76 PP |
384 | struct bt_stream *bt_trace_borrow_stream_by_id(struct bt_trace *trace, |
385 | uint64_t id) | |
44c440bc PP |
386 | { |
387 | struct bt_stream *stream = NULL; | |
388 | uint64_t i; | |
bc37ae52 | 389 | |
bdb288b3 | 390 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
bc37ae52 | 391 | |
44c440bc PP |
392 | for (i = 0; i < trace->streams->len; i++) { |
393 | struct bt_stream *stream_candidate = | |
394 | g_ptr_array_index(trace->streams, i); | |
cfeb617e | 395 | |
44c440bc PP |
396 | if (stream_candidate->id == id) { |
397 | stream = stream_candidate; | |
398 | goto end; | |
399 | } | |
6474e016 | 400 | } |
95c09b3a | 401 | |
bc37ae52 | 402 | end: |
44c440bc | 403 | return stream; |
bc37ae52 JG |
404 | } |
405 | ||
40f4ba76 PP |
406 | const struct bt_stream *bt_trace_borrow_stream_by_id_const( |
407 | const struct bt_trace *trace, uint64_t id) | |
e5be10ef | 408 | { |
40f4ba76 | 409 | return bt_trace_borrow_stream_by_id((void *) trace, id); |
e5be10ef PP |
410 | } |
411 | ||
d24d5663 | 412 | enum bt_trace_add_listener_status bt_trace_add_destruction_listener( |
40f4ba76 | 413 | const struct bt_trace *c_trace, |
ad5268b5 | 414 | bt_trace_destruction_listener_func listener, |
2054a0d1 | 415 | void *data, bt_listener_id *listener_id) |
3602afb0 | 416 | { |
40f4ba76 | 417 | struct bt_trace *trace = (void *) c_trace; |
44c440bc | 418 | uint64_t i; |
ad5268b5 | 419 | struct bt_trace_destruction_listener_elem new_elem = { |
3602afb0 PP |
420 | .func = listener, |
421 | .data = data, | |
422 | }; | |
423 | ||
17f3083a | 424 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc PP |
425 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
426 | BT_ASSERT_PRE_NON_NULL(listener, "Listener"); | |
8480c8cc | 427 | |
3602afb0 | 428 | /* Find the next available spot */ |
ad5268b5 FD |
429 | for (i = 0; i < trace->destruction_listeners->len; i++) { |
430 | struct bt_trace_destruction_listener_elem elem = | |
431 | g_array_index(trace->destruction_listeners, | |
432 | struct bt_trace_destruction_listener_elem, i); | |
3602afb0 PP |
433 | |
434 | if (!elem.func) { | |
435 | break; | |
436 | } | |
437 | } | |
438 | ||
ad5268b5 FD |
439 | if (i == trace->destruction_listeners->len) { |
440 | g_array_append_val(trace->destruction_listeners, new_elem); | |
3602afb0 | 441 | } else { |
ad5268b5 | 442 | g_array_insert_val(trace->destruction_listeners, i, new_elem); |
3602afb0 PP |
443 | } |
444 | ||
44c440bc PP |
445 | if (listener_id) { |
446 | *listener_id = i; | |
447 | } | |
3602afb0 | 448 | |
3f7d4d90 | 449 | BT_LIB_LOGD("Added destruction listener: " "%![trace-]+t, " |
ad5268b5 | 450 | "listener-id=%" PRIu64, trace, i); |
d24d5663 | 451 | return BT_FUNC_STATUS_OK; |
44c440bc PP |
452 | } |
453 | ||
44c440bc | 454 | static |
40f4ba76 | 455 | bool has_listener_id(const struct bt_trace *trace, uint64_t listener_id) |
44c440bc | 456 | { |
ad5268b5 FD |
457 | BT_ASSERT(listener_id < trace->destruction_listeners->len); |
458 | return (&g_array_index(trace->destruction_listeners, | |
459 | struct bt_trace_destruction_listener_elem, | |
5084732e | 460 | listener_id))->func; |
3602afb0 PP |
461 | } |
462 | ||
d24d5663 | 463 | enum bt_trace_remove_listener_status bt_trace_remove_destruction_listener( |
2054a0d1 | 464 | const struct bt_trace *c_trace, bt_listener_id listener_id) |
3602afb0 | 465 | { |
40f4ba76 | 466 | struct bt_trace *trace = (void *) c_trace; |
ad5268b5 | 467 | struct bt_trace_destruction_listener_elem *elem; |
3602afb0 | 468 | |
17f3083a | 469 | BT_ASSERT_PRE_NO_ERROR(); |
44c440bc | 470 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 471 | BT_ASSERT_PRE(has_listener_id(trace, listener_id), |
ad5268b5 | 472 | "Trace has no such trace destruction listener ID: " |
44c440bc | 473 | "%![trace-]+t, %" PRIu64, trace, listener_id); |
ad5268b5 FD |
474 | elem = &g_array_index(trace->destruction_listeners, |
475 | struct bt_trace_destruction_listener_elem, | |
3602afb0 | 476 | listener_id); |
44c440bc | 477 | BT_ASSERT(elem->func); |
3602afb0 PP |
478 | |
479 | elem->func = NULL; | |
480 | elem->data = NULL; | |
3f7d4d90 | 481 | BT_LIB_LOGD("Removed \"trace destruction listener: " |
44c440bc PP |
482 | "%![trace-]+t, listener-id=%" PRIu64, |
483 | trace, listener_id); | |
d24d5663 | 484 | return BT_FUNC_STATUS_OK; |
44c440bc | 485 | } |
3602afb0 | 486 | |
44c440bc | 487 | BT_HIDDEN |
40f4ba76 | 488 | void _bt_trace_freeze(const struct bt_trace *trace) |
44c440bc | 489 | { |
44c440bc | 490 | BT_ASSERT(trace); |
862ca4ed PP |
491 | BT_LIB_LOGD("Freezing trace's class: %!+T", trace->class); |
492 | bt_trace_class_freeze(trace->class); | |
c6962c96 PP |
493 | BT_LIB_LOGD("Freezing trace's user attributes: %!+v", |
494 | trace->user_attributes); | |
495 | bt_value_freeze(trace->user_attributes); | |
44c440bc | 496 | BT_LIB_LOGD("Freezing trace: %!+t", trace); |
40f4ba76 | 497 | ((struct bt_trace *) trace)->frozen = true; |
5acf2ae6 | 498 | } |
312c056a | 499 | |
44c440bc PP |
500 | BT_HIDDEN |
501 | void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream) | |
502 | { | |
503 | guint count = 0; | |
504 | ||
505 | bt_object_set_parent(&stream->base, &trace->base); | |
506 | g_ptr_array_add(trace->streams, stream); | |
cb6f1f7d | 507 | bt_trace_freeze(trace); |
312c056a | 508 | |
44c440bc PP |
509 | if (bt_g_hash_table_contains(trace->stream_classes_stream_count, |
510 | stream->class)) { | |
511 | count = GPOINTER_TO_UINT(g_hash_table_lookup( | |
512 | trace->stream_classes_stream_count, stream->class)); | |
312c056a PP |
513 | } |
514 | ||
44c440bc PP |
515 | g_hash_table_insert(trace->stream_classes_stream_count, |
516 | stream->class, GUINT_TO_POINTER(count + 1)); | |
517 | } | |
518 | ||
519 | BT_HIDDEN | |
40f4ba76 PP |
520 | uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace, |
521 | const struct bt_stream_class *stream_class) | |
44c440bc PP |
522 | { |
523 | gpointer orig_key; | |
524 | gpointer value; | |
525 | uint64_t id = 0; | |
526 | ||
527 | BT_ASSERT(stream_class); | |
528 | BT_ASSERT(trace); | |
529 | if (g_hash_table_lookup_extended(trace->stream_classes_stream_count, | |
530 | stream_class, &orig_key, &value)) { | |
531 | id = (uint64_t) GPOINTER_TO_UINT(value); | |
532 | } | |
533 | ||
534 | return id; | |
312c056a | 535 | } |
862ca4ed PP |
536 | |
537 | struct bt_trace_class *bt_trace_borrow_class(struct bt_trace *trace) | |
538 | { | |
bdb288b3 | 539 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); |
862ca4ed PP |
540 | return trace->class; |
541 | } | |
542 | ||
543 | const struct bt_trace_class *bt_trace_borrow_class_const( | |
544 | const struct bt_trace *trace) | |
545 | { | |
546 | return bt_trace_borrow_class((void *) trace); | |
547 | } | |
c5b9b441 | 548 | |
c6962c96 PP |
549 | const struct bt_value *bt_trace_borrow_user_attributes_const( |
550 | const struct bt_trace *trace) | |
551 | { | |
552 | BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace"); | |
553 | return trace->user_attributes; | |
554 | } | |
555 | ||
556 | struct bt_value *bt_trace_borrow_user_attributes(struct bt_trace *trace) | |
557 | { | |
558 | return (void *) bt_trace_borrow_user_attributes_const((void *) trace); | |
559 | } | |
560 | ||
561 | void bt_trace_set_user_attributes( | |
562 | struct bt_trace *trace, | |
563 | const struct bt_value *user_attributes) | |
564 | { | |
565 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
566 | BT_ASSERT_PRE_NON_NULL(user_attributes, "User attributes"); | |
567 | BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP, | |
568 | "User attributes object is not a map value object."); | |
569 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); | |
6871026b | 570 | bt_object_put_ref_no_null_check(trace->user_attributes); |
c6962c96 | 571 | trace->user_attributes = (void *) user_attributes; |
6871026b | 572 | bt_object_get_ref_no_null_check(trace->user_attributes); |
c6962c96 PP |
573 | } |
574 | ||
c5b9b441 PP |
575 | void bt_trace_get_ref(const struct bt_trace *trace) |
576 | { | |
577 | bt_object_get_ref(trace); | |
578 | } | |
579 | ||
580 | void bt_trace_put_ref(const struct bt_trace *trace) | |
581 | { | |
582 | bt_object_put_ref(trace); | |
583 | } |