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 | ||
1778c2a4 PP |
49 | #define BT_ASSERT_PRE_DEV_TRACE_HOT(_trace) \ |
50 | BT_ASSERT_PRE_DEV_HOT("trace", (_trace), "Trace", ": %!+t", (_trace)) | |
51 | ||
52 | #define DESTRUCTION_LISTENER_FUNC_NAME \ | |
53 | "bt_trace_class_destruction_listener_func" | |
cb6f1f7d | 54 | |
bc37ae52 | 55 | static |
44c440bc | 56 | void destroy_trace(struct bt_object *obj) |
3dca2276 PP |
57 | { |
58 | struct bt_trace *trace = (void *) obj; | |
bc37ae52 | 59 | |
44c440bc | 60 | BT_LIB_LOGD("Destroying trace object: %!+t", trace); |
c6962c96 | 61 | BT_OBJECT_PUT_REF_AND_RESET(trace->user_attributes); |
bc37ae52 | 62 | |
3dca2276 | 63 | /* |
ad5268b5 FD |
64 | * Call destruction listener functions so that everything else |
65 | * still exists in the trace. | |
3dca2276 | 66 | */ |
ad5268b5 FD |
67 | if (trace->destruction_listeners) { |
68 | uint64_t i; | |
42a63165 SM |
69 | const struct bt_error *saved_error; |
70 | ||
3f7d4d90 | 71 | BT_LIB_LOGD("Calling trace destruction listener(s): %!+t", trace); |
c47a6bec SM |
72 | |
73 | /* | |
74 | * The trace's reference count is 0 if we're here. Increment | |
75 | * it to avoid a double-destroy (possibly infinitely recursive). | |
76 | * This could happen for example if a destruction listener did | |
77 | * bt_object_get_ref() (or anything that causes | |
78 | * bt_object_get_ref() to be called) on the trace (ref. | |
79 | * count goes from 0 to 1), and then bt_object_put_ref(): the | |
80 | * reference count would go from 1 to 0 again and this function | |
81 | * would be called again. | |
82 | */ | |
83 | trace->base.ref_count++; | |
84 | ||
42a63165 SM |
85 | saved_error = bt_current_thread_take_error(); |
86 | ||
ad5268b5 FD |
87 | /* Call all the trace destruction listeners */ |
88 | for (i = 0; i < trace->destruction_listeners->len; i++) { | |
89 | struct bt_trace_destruction_listener_elem elem = | |
90 | g_array_index(trace->destruction_listeners, | |
1778c2a4 | 91 | struct bt_trace_destruction_listener_elem, i); |
ad5268b5 FD |
92 | |
93 | if (elem.func) { | |
94 | elem.func(trace, elem.data); | |
1778c2a4 PP |
95 | BT_ASSERT_POST_NO_ERROR( |
96 | DESTRUCTION_LISTENER_FUNC_NAME); | |
3dca2276 | 97 | } |
c47a6bec SM |
98 | |
99 | /* | |
100 | * The destruction listener should not have kept a | |
101 | * reference to the trace. | |
102 | */ | |
1778c2a4 PP |
103 | BT_ASSERT_POST(DESTRUCTION_LISTENER_FUNC_NAME, |
104 | "trace-reference-count-not-changed", | |
105 | trace->base.ref_count == 1, | |
106 | "Destruction listener kept a reference to the trace being destroyed: %![trace-]+t", | |
107 | trace); | |
3dca2276 | 108 | } |
ad5268b5 FD |
109 | g_array_free(trace->destruction_listeners, TRUE); |
110 | trace->destruction_listeners = NULL; | |
42a63165 SM |
111 | |
112 | if (saved_error) { | |
113 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(saved_error); | |
114 | } | |
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 | |
17f3083a SM |
150 | BT_ASSERT_PRE_NO_ERROR(); |
151 | ||
862ca4ed | 152 | BT_LIB_LOGD("Creating trace object: %![tc-]+T", tc); |
3dca2276 PP |
153 | trace = g_new0(struct bt_trace, 1); |
154 | if (!trace) { | |
870631a2 | 155 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one trace."); |
3dca2276 PP |
156 | goto error; |
157 | } | |
158 | ||
862ca4ed | 159 | bt_object_init_shared(&trace->base, destroy_trace); |
c6962c96 PP |
160 | trace->user_attributes = bt_value_map_create(); |
161 | if (!trace->user_attributes) { | |
162 | BT_LIB_LOGE_APPEND_CAUSE( | |
163 | "Failed to create a map value object."); | |
164 | goto error; | |
165 | } | |
166 | ||
44c440bc PP |
167 | trace->streams = g_ptr_array_new_with_free_func( |
168 | (GDestroyNotify) bt_object_try_spec_release); | |
169 | if (!trace->streams) { | |
870631a2 | 170 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
3dca2276 PP |
171 | goto error; |
172 | } | |
173 | ||
44c440bc PP |
174 | trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash, |
175 | g_direct_equal); | |
176 | if (!trace->stream_classes_stream_count) { | |
870631a2 | 177 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GHashTable."); |
44c440bc PP |
178 | goto error; |
179 | } | |
180 | ||
181 | trace->name.str = g_string_new(NULL); | |
182 | if (!trace->name.str) { | |
870631a2 | 183 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString."); |
44c440bc PP |
184 | goto error; |
185 | } | |
186 | ||
335a2da5 PP |
187 | trace->environment = bt_attributes_create(); |
188 | if (!trace->environment) { | |
189 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create empty attributes object."); | |
190 | goto error; | |
191 | } | |
192 | ||
ad5268b5 FD |
193 | trace->destruction_listeners = g_array_new(FALSE, TRUE, |
194 | sizeof(struct bt_trace_destruction_listener_elem)); | |
195 | if (!trace->destruction_listeners) { | |
870631a2 | 196 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GArray."); |
3602afb0 PP |
197 | goto error; |
198 | } | |
199 | ||
862ca4ed | 200 | trace->class = tc; |
6871026b | 201 | bt_object_get_ref_no_null_check(trace->class); |
44c440bc PP |
202 | BT_LIB_LOGD("Created trace object: %!+t", trace); |
203 | goto end; | |
bc37ae52 | 204 | |
bc37ae52 | 205 | error: |
65300d60 | 206 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
44c440bc PP |
207 | |
208 | end: | |
862ca4ed | 209 | return trace; |
bc37ae52 JG |
210 | } |
211 | ||
40f4ba76 | 212 | const char *bt_trace_get_name(const struct bt_trace *trace) |
e96045d4 | 213 | { |
d5b13b9b | 214 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
44c440bc | 215 | return trace->name.value; |
e96045d4 JG |
216 | } |
217 | ||
d24d5663 PP |
218 | enum bt_trace_set_name_status bt_trace_set_name(struct bt_trace *trace, |
219 | const char *name) | |
e96045d4 | 220 | { |
17f3083a | 221 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
222 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
223 | BT_ASSERT_PRE_NAME_NON_NULL(name); | |
bdb288b3 | 224 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
44c440bc PP |
225 | g_string_assign(trace->name.str, name); |
226 | trace->name.value = trace->name.str->str; | |
3f7d4d90 | 227 | BT_LIB_LOGD("Set trace's name: %!+t", trace); |
d24d5663 | 228 | return BT_FUNC_STATUS_OK; |
e96045d4 JG |
229 | } |
230 | ||
335a2da5 PP |
231 | bt_uuid bt_trace_get_uuid(const struct bt_trace *trace) |
232 | { | |
d5b13b9b | 233 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
335a2da5 PP |
234 | return trace->uuid.value; |
235 | } | |
236 | ||
237 | void bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid) | |
238 | { | |
d5b13b9b PP |
239 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
240 | BT_ASSERT_PRE_UUID_NON_NULL(uuid); | |
bdb288b3 | 241 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
6162e6b7 | 242 | bt_uuid_copy(trace->uuid.uuid, uuid); |
335a2da5 PP |
243 | trace->uuid.value = trace->uuid.uuid; |
244 | BT_LIB_LOGD("Set trace's UUID: %!+t", trace); | |
245 | } | |
246 | ||
335a2da5 PP |
247 | static |
248 | bool trace_has_environment_entry(const struct bt_trace *trace, const char *name) | |
249 | { | |
250 | BT_ASSERT(trace); | |
251 | ||
252 | return bt_attributes_borrow_field_value_by_name( | |
5084732e | 253 | trace->environment, name); |
335a2da5 PP |
254 | } |
255 | ||
256 | static | |
257 | enum bt_trace_set_environment_entry_status set_environment_entry( | |
258 | struct bt_trace *trace, | |
259 | const char *name, struct bt_value *value) | |
260 | { | |
261 | int ret; | |
262 | ||
263 | BT_ASSERT(trace); | |
264 | BT_ASSERT(name); | |
265 | BT_ASSERT(value); | |
1778c2a4 PP |
266 | BT_ASSERT_PRE("not-frozen:trace", |
267 | !trace->frozen || | |
268 | !trace_has_environment_entry(trace, name), | |
335a2da5 PP |
269 | "Trace is frozen: cannot replace environment entry: " |
270 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
271 | ret = bt_attributes_set_field_value(trace->environment, name, | |
272 | value); | |
273 | if (ret) { | |
274 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
275 | BT_LIB_LOGE_APPEND_CAUSE( | |
276 | "Cannot set trace's environment entry: " | |
277 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
278 | } else { | |
279 | bt_value_freeze(value); | |
280 | BT_LIB_LOGD("Set trace's environment entry: " | |
281 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
282 | } | |
283 | ||
284 | return ret; | |
285 | } | |
286 | ||
287 | enum bt_trace_set_environment_entry_status | |
288 | bt_trace_set_environment_entry_string( | |
289 | struct bt_trace *trace, const char *name, const char *value) | |
290 | { | |
291 | int ret; | |
292 | struct bt_value *value_obj; | |
17f3083a SM |
293 | |
294 | BT_ASSERT_PRE_NO_ERROR(); | |
d5b13b9b PP |
295 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
296 | BT_ASSERT_PRE_NAME_NON_NULL(name); | |
1778c2a4 | 297 | BT_ASSERT_PRE_NON_NULL("value", value, "Value"); |
17f3083a | 298 | |
335a2da5 PP |
299 | value_obj = bt_value_string_create_init(value); |
300 | if (!value_obj) { | |
301 | BT_LIB_LOGE_APPEND_CAUSE( | |
302 | "Cannot create a string value object."); | |
303 | ret = -1; | |
304 | goto end; | |
305 | } | |
306 | ||
307 | /* set_environment_entry() logs errors */ | |
308 | ret = set_environment_entry(trace, name, value_obj); | |
309 | ||
310 | end: | |
311 | bt_object_put_ref(value_obj); | |
312 | return ret; | |
313 | } | |
314 | ||
315 | enum bt_trace_set_environment_entry_status | |
316 | bt_trace_set_environment_entry_integer( | |
317 | struct bt_trace *trace, const char *name, int64_t value) | |
318 | { | |
319 | int ret; | |
320 | struct bt_value *value_obj; | |
17f3083a SM |
321 | |
322 | BT_ASSERT_PRE_NO_ERROR(); | |
d5b13b9b PP |
323 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
324 | BT_ASSERT_PRE_NAME_NON_NULL(name); | |
17f3083a | 325 | |
9c08c816 | 326 | value_obj = bt_value_integer_signed_create_init(value); |
335a2da5 PP |
327 | if (!value_obj) { |
328 | BT_LIB_LOGE_APPEND_CAUSE( | |
329 | "Cannot create an integer value object."); | |
330 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
331 | goto end; | |
332 | } | |
333 | ||
334 | /* set_environment_entry() logs errors */ | |
335 | ret = set_environment_entry(trace, name, value_obj); | |
336 | ||
337 | end: | |
338 | bt_object_put_ref(value_obj); | |
339 | return ret; | |
340 | } | |
341 | ||
342 | uint64_t bt_trace_get_environment_entry_count(const struct bt_trace *trace) | |
343 | { | |
d5b13b9b | 344 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
99b4b64b | 345 | return bt_attributes_get_count(trace->environment); |
335a2da5 PP |
346 | } |
347 | ||
348 | void bt_trace_borrow_environment_entry_by_index_const( | |
349 | const struct bt_trace *trace, uint64_t index, | |
350 | const char **name, const struct bt_value **value) | |
351 | { | |
d5b13b9b PP |
352 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
353 | BT_ASSERT_PRE_DEV_NAME_NON_NULL(name); | |
1778c2a4 PP |
354 | BT_ASSERT_PRE_DEV_NON_NULL("value-object-output", value, |
355 | "Value object (output)"); | |
bdb288b3 | 356 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, |
335a2da5 PP |
357 | bt_attributes_get_count(trace->environment)); |
358 | *value = bt_attributes_borrow_field_value(trace->environment, index); | |
359 | BT_ASSERT(*value); | |
360 | *name = bt_attributes_get_field_name(trace->environment, index); | |
361 | BT_ASSERT(*name); | |
362 | } | |
363 | ||
364 | const struct bt_value *bt_trace_borrow_environment_entry_value_by_name_const( | |
365 | const struct bt_trace *trace, const char *name) | |
366 | { | |
d5b13b9b PP |
367 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
368 | BT_ASSERT_PRE_DEV_NAME_NON_NULL(name); | |
335a2da5 PP |
369 | return bt_attributes_borrow_field_value_by_name(trace->environment, |
370 | name); | |
371 | } | |
372 | ||
40f4ba76 | 373 | uint64_t bt_trace_get_stream_count(const struct bt_trace *trace) |
bc37ae52 | 374 | { |
d5b13b9b | 375 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
44c440bc PP |
376 | return (uint64_t) trace->streams->len; |
377 | } | |
95c09b3a | 378 | |
44c440bc PP |
379 | struct bt_stream *bt_trace_borrow_stream_by_index( |
380 | struct bt_trace *trace, uint64_t index) | |
381 | { | |
d5b13b9b | 382 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
bdb288b3 | 383 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, trace->streams->len); |
44c440bc PP |
384 | return g_ptr_array_index(trace->streams, index); |
385 | } | |
cb6f1f7d | 386 | |
40f4ba76 PP |
387 | const struct bt_stream *bt_trace_borrow_stream_by_index_const( |
388 | const struct bt_trace *trace, uint64_t index) | |
e5be10ef | 389 | { |
40f4ba76 | 390 | return bt_trace_borrow_stream_by_index((void *) trace, index); |
e5be10ef PP |
391 | } |
392 | ||
40f4ba76 PP |
393 | struct bt_stream *bt_trace_borrow_stream_by_id(struct bt_trace *trace, |
394 | uint64_t id) | |
44c440bc PP |
395 | { |
396 | struct bt_stream *stream = NULL; | |
397 | uint64_t i; | |
bc37ae52 | 398 | |
d5b13b9b | 399 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
bc37ae52 | 400 | |
44c440bc PP |
401 | for (i = 0; i < trace->streams->len; i++) { |
402 | struct bt_stream *stream_candidate = | |
403 | g_ptr_array_index(trace->streams, i); | |
cfeb617e | 404 | |
44c440bc PP |
405 | if (stream_candidate->id == id) { |
406 | stream = stream_candidate; | |
407 | goto end; | |
408 | } | |
6474e016 | 409 | } |
95c09b3a | 410 | |
bc37ae52 | 411 | end: |
44c440bc | 412 | return stream; |
bc37ae52 JG |
413 | } |
414 | ||
40f4ba76 PP |
415 | const struct bt_stream *bt_trace_borrow_stream_by_id_const( |
416 | const struct bt_trace *trace, uint64_t id) | |
e5be10ef | 417 | { |
40f4ba76 | 418 | return bt_trace_borrow_stream_by_id((void *) trace, id); |
e5be10ef PP |
419 | } |
420 | ||
d24d5663 | 421 | enum bt_trace_add_listener_status bt_trace_add_destruction_listener( |
40f4ba76 | 422 | const struct bt_trace *c_trace, |
ad5268b5 | 423 | bt_trace_destruction_listener_func listener, |
2054a0d1 | 424 | void *data, bt_listener_id *listener_id) |
3602afb0 | 425 | { |
40f4ba76 | 426 | struct bt_trace *trace = (void *) c_trace; |
44c440bc | 427 | uint64_t i; |
ad5268b5 | 428 | struct bt_trace_destruction_listener_elem new_elem = { |
3602afb0 PP |
429 | .func = listener, |
430 | .data = data, | |
431 | }; | |
432 | ||
17f3083a | 433 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
434 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
435 | BT_ASSERT_PRE_LISTENER_FUNC_NON_NULL(listener); | |
8480c8cc | 436 | |
3602afb0 | 437 | /* Find the next available spot */ |
ad5268b5 FD |
438 | for (i = 0; i < trace->destruction_listeners->len; i++) { |
439 | struct bt_trace_destruction_listener_elem elem = | |
440 | g_array_index(trace->destruction_listeners, | |
441 | struct bt_trace_destruction_listener_elem, i); | |
3602afb0 PP |
442 | |
443 | if (!elem.func) { | |
444 | break; | |
445 | } | |
446 | } | |
447 | ||
ad5268b5 FD |
448 | if (i == trace->destruction_listeners->len) { |
449 | g_array_append_val(trace->destruction_listeners, new_elem); | |
3602afb0 | 450 | } else { |
ad5268b5 | 451 | g_array_insert_val(trace->destruction_listeners, i, new_elem); |
3602afb0 PP |
452 | } |
453 | ||
44c440bc PP |
454 | if (listener_id) { |
455 | *listener_id = i; | |
456 | } | |
3602afb0 | 457 | |
3f7d4d90 | 458 | BT_LIB_LOGD("Added destruction listener: " "%![trace-]+t, " |
ad5268b5 | 459 | "listener-id=%" PRIu64, trace, i); |
d24d5663 | 460 | return BT_FUNC_STATUS_OK; |
44c440bc PP |
461 | } |
462 | ||
44c440bc | 463 | static |
40f4ba76 | 464 | bool has_listener_id(const struct bt_trace *trace, uint64_t listener_id) |
44c440bc | 465 | { |
ad5268b5 FD |
466 | BT_ASSERT(listener_id < trace->destruction_listeners->len); |
467 | return (&g_array_index(trace->destruction_listeners, | |
468 | struct bt_trace_destruction_listener_elem, | |
5084732e | 469 | listener_id))->func; |
3602afb0 PP |
470 | } |
471 | ||
d24d5663 | 472 | enum bt_trace_remove_listener_status bt_trace_remove_destruction_listener( |
2054a0d1 | 473 | const struct bt_trace *c_trace, bt_listener_id listener_id) |
3602afb0 | 474 | { |
40f4ba76 | 475 | struct bt_trace *trace = (void *) c_trace; |
ad5268b5 | 476 | struct bt_trace_destruction_listener_elem *elem; |
3602afb0 | 477 | |
17f3083a | 478 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b | 479 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
1778c2a4 PP |
480 | BT_ASSERT_PRE("listener-id-exists", |
481 | has_listener_id(trace, listener_id), | |
ad5268b5 | 482 | "Trace has no such trace destruction listener ID: " |
44c440bc | 483 | "%![trace-]+t, %" PRIu64, trace, listener_id); |
ad5268b5 FD |
484 | elem = &g_array_index(trace->destruction_listeners, |
485 | struct bt_trace_destruction_listener_elem, | |
3602afb0 | 486 | listener_id); |
44c440bc | 487 | BT_ASSERT(elem->func); |
3602afb0 PP |
488 | |
489 | elem->func = NULL; | |
490 | elem->data = NULL; | |
3f7d4d90 | 491 | BT_LIB_LOGD("Removed \"trace destruction listener: " |
44c440bc PP |
492 | "%![trace-]+t, listener-id=%" PRIu64, |
493 | trace, listener_id); | |
d24d5663 | 494 | return BT_FUNC_STATUS_OK; |
44c440bc | 495 | } |
3602afb0 | 496 | |
44c440bc | 497 | BT_HIDDEN |
40f4ba76 | 498 | void _bt_trace_freeze(const struct bt_trace *trace) |
44c440bc | 499 | { |
44c440bc | 500 | BT_ASSERT(trace); |
862ca4ed PP |
501 | BT_LIB_LOGD("Freezing trace's class: %!+T", trace->class); |
502 | bt_trace_class_freeze(trace->class); | |
c6962c96 PP |
503 | BT_LIB_LOGD("Freezing trace's user attributes: %!+v", |
504 | trace->user_attributes); | |
505 | bt_value_freeze(trace->user_attributes); | |
44c440bc | 506 | BT_LIB_LOGD("Freezing trace: %!+t", trace); |
40f4ba76 | 507 | ((struct bt_trace *) trace)->frozen = true; |
5acf2ae6 | 508 | } |
312c056a | 509 | |
44c440bc PP |
510 | BT_HIDDEN |
511 | void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream) | |
512 | { | |
513 | guint count = 0; | |
514 | ||
515 | bt_object_set_parent(&stream->base, &trace->base); | |
516 | g_ptr_array_add(trace->streams, stream); | |
cb6f1f7d | 517 | bt_trace_freeze(trace); |
312c056a | 518 | |
44c440bc PP |
519 | if (bt_g_hash_table_contains(trace->stream_classes_stream_count, |
520 | stream->class)) { | |
521 | count = GPOINTER_TO_UINT(g_hash_table_lookup( | |
522 | trace->stream_classes_stream_count, stream->class)); | |
312c056a PP |
523 | } |
524 | ||
44c440bc PP |
525 | g_hash_table_insert(trace->stream_classes_stream_count, |
526 | stream->class, GUINT_TO_POINTER(count + 1)); | |
527 | } | |
528 | ||
529 | BT_HIDDEN | |
40f4ba76 PP |
530 | uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace, |
531 | const struct bt_stream_class *stream_class) | |
44c440bc PP |
532 | { |
533 | gpointer orig_key; | |
534 | gpointer value; | |
535 | uint64_t id = 0; | |
536 | ||
537 | BT_ASSERT(stream_class); | |
538 | BT_ASSERT(trace); | |
539 | if (g_hash_table_lookup_extended(trace->stream_classes_stream_count, | |
540 | stream_class, &orig_key, &value)) { | |
541 | id = (uint64_t) GPOINTER_TO_UINT(value); | |
542 | } | |
543 | ||
544 | return id; | |
312c056a | 545 | } |
862ca4ed PP |
546 | |
547 | struct bt_trace_class *bt_trace_borrow_class(struct bt_trace *trace) | |
548 | { | |
d5b13b9b | 549 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
862ca4ed PP |
550 | return trace->class; |
551 | } | |
552 | ||
553 | const struct bt_trace_class *bt_trace_borrow_class_const( | |
554 | const struct bt_trace *trace) | |
555 | { | |
556 | return bt_trace_borrow_class((void *) trace); | |
557 | } | |
c5b9b441 | 558 | |
c6962c96 PP |
559 | const struct bt_value *bt_trace_borrow_user_attributes_const( |
560 | const struct bt_trace *trace) | |
561 | { | |
d5b13b9b | 562 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
c6962c96 PP |
563 | return trace->user_attributes; |
564 | } | |
565 | ||
566 | struct bt_value *bt_trace_borrow_user_attributes(struct bt_trace *trace) | |
567 | { | |
568 | return (void *) bt_trace_borrow_user_attributes_const((void *) trace); | |
569 | } | |
570 | ||
571 | void bt_trace_set_user_attributes( | |
572 | struct bt_trace *trace, | |
573 | const struct bt_value *user_attributes) | |
574 | { | |
d5b13b9b PP |
575 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
576 | BT_ASSERT_PRE_USER_ATTRS_NON_NULL(user_attributes); | |
577 | BT_ASSERT_PRE_USER_ATTRS_IS_MAP(user_attributes); | |
c6962c96 | 578 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
6871026b | 579 | bt_object_put_ref_no_null_check(trace->user_attributes); |
c6962c96 | 580 | trace->user_attributes = (void *) user_attributes; |
6871026b | 581 | bt_object_get_ref_no_null_check(trace->user_attributes); |
c6962c96 PP |
582 | } |
583 | ||
c5b9b441 PP |
584 | void bt_trace_get_ref(const struct bt_trace *trace) |
585 | { | |
586 | bt_object_get_ref(trace); | |
587 | } | |
588 | ||
589 | void bt_trace_put_ref(const struct bt_trace *trace) | |
590 | { | |
591 | bt_object_put_ref(trace); | |
592 | } |