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 | ||
1353b066 | 146 | BT_EXPORT |
862ca4ed | 147 | struct bt_trace *bt_trace_create(struct bt_trace_class *tc) |
3dca2276 PP |
148 | { |
149 | struct bt_trace *trace = NULL; | |
3dca2276 | 150 | |
17f3083a SM |
151 | BT_ASSERT_PRE_NO_ERROR(); |
152 | ||
862ca4ed | 153 | BT_LIB_LOGD("Creating trace object: %![tc-]+T", tc); |
3dca2276 PP |
154 | trace = g_new0(struct bt_trace, 1); |
155 | if (!trace) { | |
870631a2 | 156 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one trace."); |
3dca2276 PP |
157 | goto error; |
158 | } | |
159 | ||
862ca4ed | 160 | bt_object_init_shared(&trace->base, destroy_trace); |
c6962c96 PP |
161 | trace->user_attributes = bt_value_map_create(); |
162 | if (!trace->user_attributes) { | |
163 | BT_LIB_LOGE_APPEND_CAUSE( | |
164 | "Failed to create a map value object."); | |
165 | goto error; | |
166 | } | |
167 | ||
44c440bc PP |
168 | trace->streams = g_ptr_array_new_with_free_func( |
169 | (GDestroyNotify) bt_object_try_spec_release); | |
170 | if (!trace->streams) { | |
870631a2 | 171 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
3dca2276 PP |
172 | goto error; |
173 | } | |
174 | ||
44c440bc PP |
175 | trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash, |
176 | g_direct_equal); | |
177 | if (!trace->stream_classes_stream_count) { | |
870631a2 | 178 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GHashTable."); |
44c440bc PP |
179 | goto error; |
180 | } | |
181 | ||
182 | trace->name.str = g_string_new(NULL); | |
183 | if (!trace->name.str) { | |
870631a2 | 184 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString."); |
44c440bc PP |
185 | goto error; |
186 | } | |
187 | ||
335a2da5 PP |
188 | trace->environment = bt_attributes_create(); |
189 | if (!trace->environment) { | |
190 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create empty attributes object."); | |
191 | goto error; | |
192 | } | |
193 | ||
ad5268b5 FD |
194 | trace->destruction_listeners = g_array_new(FALSE, TRUE, |
195 | sizeof(struct bt_trace_destruction_listener_elem)); | |
196 | if (!trace->destruction_listeners) { | |
870631a2 | 197 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GArray."); |
3602afb0 PP |
198 | goto error; |
199 | } | |
200 | ||
862ca4ed | 201 | trace->class = tc; |
6871026b | 202 | bt_object_get_ref_no_null_check(trace->class); |
44c440bc PP |
203 | BT_LIB_LOGD("Created trace object: %!+t", trace); |
204 | goto end; | |
bc37ae52 | 205 | |
bc37ae52 | 206 | error: |
65300d60 | 207 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
44c440bc PP |
208 | |
209 | end: | |
862ca4ed | 210 | return trace; |
bc37ae52 JG |
211 | } |
212 | ||
1353b066 | 213 | BT_EXPORT |
40f4ba76 | 214 | const char *bt_trace_get_name(const struct bt_trace *trace) |
e96045d4 | 215 | { |
d5b13b9b | 216 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
44c440bc | 217 | return trace->name.value; |
e96045d4 JG |
218 | } |
219 | ||
1353b066 | 220 | BT_EXPORT |
d24d5663 PP |
221 | enum bt_trace_set_name_status bt_trace_set_name(struct bt_trace *trace, |
222 | const char *name) | |
e96045d4 | 223 | { |
17f3083a | 224 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
225 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
226 | BT_ASSERT_PRE_NAME_NON_NULL(name); | |
bdb288b3 | 227 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
44c440bc PP |
228 | g_string_assign(trace->name.str, name); |
229 | trace->name.value = trace->name.str->str; | |
3f7d4d90 | 230 | BT_LIB_LOGD("Set trace's name: %!+t", trace); |
d24d5663 | 231 | return BT_FUNC_STATUS_OK; |
e96045d4 JG |
232 | } |
233 | ||
1353b066 | 234 | BT_EXPORT |
335a2da5 PP |
235 | bt_uuid bt_trace_get_uuid(const struct bt_trace *trace) |
236 | { | |
d5b13b9b | 237 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
335a2da5 PP |
238 | return trace->uuid.value; |
239 | } | |
240 | ||
1353b066 | 241 | BT_EXPORT |
335a2da5 PP |
242 | void bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid) |
243 | { | |
d5b13b9b PP |
244 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
245 | BT_ASSERT_PRE_UUID_NON_NULL(uuid); | |
bdb288b3 | 246 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
6162e6b7 | 247 | bt_uuid_copy(trace->uuid.uuid, uuid); |
335a2da5 PP |
248 | trace->uuid.value = trace->uuid.uuid; |
249 | BT_LIB_LOGD("Set trace's UUID: %!+t", trace); | |
250 | } | |
251 | ||
335a2da5 PP |
252 | static |
253 | bool trace_has_environment_entry(const struct bt_trace *trace, const char *name) | |
254 | { | |
255 | BT_ASSERT(trace); | |
256 | ||
257 | return bt_attributes_borrow_field_value_by_name( | |
5084732e | 258 | trace->environment, name); |
335a2da5 PP |
259 | } |
260 | ||
261 | static | |
262 | enum bt_trace_set_environment_entry_status set_environment_entry( | |
263 | struct bt_trace *trace, | |
264 | const char *name, struct bt_value *value) | |
265 | { | |
266 | int ret; | |
267 | ||
268 | BT_ASSERT(trace); | |
269 | BT_ASSERT(name); | |
270 | BT_ASSERT(value); | |
1778c2a4 PP |
271 | BT_ASSERT_PRE("not-frozen:trace", |
272 | !trace->frozen || | |
273 | !trace_has_environment_entry(trace, name), | |
335a2da5 PP |
274 | "Trace is frozen: cannot replace environment entry: " |
275 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
276 | ret = bt_attributes_set_field_value(trace->environment, name, | |
277 | value); | |
278 | if (ret) { | |
279 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
280 | BT_LIB_LOGE_APPEND_CAUSE( | |
281 | "Cannot set trace's environment entry: " | |
282 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
283 | } else { | |
284 | bt_value_freeze(value); | |
285 | BT_LIB_LOGD("Set trace's environment entry: " | |
286 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
287 | } | |
288 | ||
289 | return ret; | |
290 | } | |
291 | ||
1353b066 | 292 | BT_EXPORT |
335a2da5 PP |
293 | enum bt_trace_set_environment_entry_status |
294 | bt_trace_set_environment_entry_string( | |
295 | struct bt_trace *trace, const char *name, const char *value) | |
296 | { | |
297 | int ret; | |
298 | struct bt_value *value_obj; | |
17f3083a SM |
299 | |
300 | BT_ASSERT_PRE_NO_ERROR(); | |
d5b13b9b PP |
301 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
302 | BT_ASSERT_PRE_NAME_NON_NULL(name); | |
1778c2a4 | 303 | BT_ASSERT_PRE_NON_NULL("value", value, "Value"); |
17f3083a | 304 | |
335a2da5 PP |
305 | value_obj = bt_value_string_create_init(value); |
306 | if (!value_obj) { | |
307 | BT_LIB_LOGE_APPEND_CAUSE( | |
308 | "Cannot create a string value object."); | |
309 | ret = -1; | |
310 | goto end; | |
311 | } | |
312 | ||
313 | /* set_environment_entry() logs errors */ | |
314 | ret = set_environment_entry(trace, name, value_obj); | |
315 | ||
316 | end: | |
317 | bt_object_put_ref(value_obj); | |
318 | return ret; | |
319 | } | |
320 | ||
1353b066 | 321 | BT_EXPORT |
335a2da5 PP |
322 | enum bt_trace_set_environment_entry_status |
323 | bt_trace_set_environment_entry_integer( | |
324 | struct bt_trace *trace, const char *name, int64_t value) | |
325 | { | |
326 | int ret; | |
327 | struct bt_value *value_obj; | |
17f3083a SM |
328 | |
329 | BT_ASSERT_PRE_NO_ERROR(); | |
d5b13b9b PP |
330 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
331 | BT_ASSERT_PRE_NAME_NON_NULL(name); | |
17f3083a | 332 | |
9c08c816 | 333 | value_obj = bt_value_integer_signed_create_init(value); |
335a2da5 PP |
334 | if (!value_obj) { |
335 | BT_LIB_LOGE_APPEND_CAUSE( | |
336 | "Cannot create an integer value object."); | |
337 | ret = BT_FUNC_STATUS_MEMORY_ERROR; | |
338 | goto end; | |
339 | } | |
340 | ||
341 | /* set_environment_entry() logs errors */ | |
342 | ret = set_environment_entry(trace, name, value_obj); | |
343 | ||
344 | end: | |
345 | bt_object_put_ref(value_obj); | |
346 | return ret; | |
347 | } | |
348 | ||
1353b066 | 349 | BT_EXPORT |
335a2da5 PP |
350 | uint64_t bt_trace_get_environment_entry_count(const struct bt_trace *trace) |
351 | { | |
d5b13b9b | 352 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
99b4b64b | 353 | return bt_attributes_get_count(trace->environment); |
335a2da5 PP |
354 | } |
355 | ||
1353b066 | 356 | BT_EXPORT |
335a2da5 PP |
357 | void bt_trace_borrow_environment_entry_by_index_const( |
358 | const struct bt_trace *trace, uint64_t index, | |
359 | const char **name, const struct bt_value **value) | |
360 | { | |
d5b13b9b PP |
361 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
362 | BT_ASSERT_PRE_DEV_NAME_NON_NULL(name); | |
1778c2a4 PP |
363 | BT_ASSERT_PRE_DEV_NON_NULL("value-object-output", value, |
364 | "Value object (output)"); | |
bdb288b3 | 365 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, |
335a2da5 PP |
366 | bt_attributes_get_count(trace->environment)); |
367 | *value = bt_attributes_borrow_field_value(trace->environment, index); | |
368 | BT_ASSERT(*value); | |
369 | *name = bt_attributes_get_field_name(trace->environment, index); | |
370 | BT_ASSERT(*name); | |
371 | } | |
372 | ||
1353b066 | 373 | BT_EXPORT |
335a2da5 PP |
374 | const struct bt_value *bt_trace_borrow_environment_entry_value_by_name_const( |
375 | const struct bt_trace *trace, const char *name) | |
376 | { | |
d5b13b9b PP |
377 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
378 | BT_ASSERT_PRE_DEV_NAME_NON_NULL(name); | |
335a2da5 PP |
379 | return bt_attributes_borrow_field_value_by_name(trace->environment, |
380 | name); | |
381 | } | |
382 | ||
1353b066 | 383 | BT_EXPORT |
40f4ba76 | 384 | uint64_t bt_trace_get_stream_count(const struct bt_trace *trace) |
bc37ae52 | 385 | { |
d5b13b9b | 386 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
44c440bc PP |
387 | return (uint64_t) trace->streams->len; |
388 | } | |
95c09b3a | 389 | |
1353b066 | 390 | BT_EXPORT |
44c440bc PP |
391 | struct bt_stream *bt_trace_borrow_stream_by_index( |
392 | struct bt_trace *trace, uint64_t index) | |
393 | { | |
d5b13b9b | 394 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
bdb288b3 | 395 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, trace->streams->len); |
44c440bc PP |
396 | return g_ptr_array_index(trace->streams, index); |
397 | } | |
cb6f1f7d | 398 | |
1353b066 | 399 | BT_EXPORT |
40f4ba76 PP |
400 | const struct bt_stream *bt_trace_borrow_stream_by_index_const( |
401 | const struct bt_trace *trace, uint64_t index) | |
e5be10ef | 402 | { |
40f4ba76 | 403 | return bt_trace_borrow_stream_by_index((void *) trace, index); |
e5be10ef PP |
404 | } |
405 | ||
1353b066 | 406 | BT_EXPORT |
40f4ba76 PP |
407 | struct bt_stream *bt_trace_borrow_stream_by_id(struct bt_trace *trace, |
408 | uint64_t id) | |
44c440bc PP |
409 | { |
410 | struct bt_stream *stream = NULL; | |
411 | uint64_t i; | |
bc37ae52 | 412 | |
d5b13b9b | 413 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
bc37ae52 | 414 | |
44c440bc PP |
415 | for (i = 0; i < trace->streams->len; i++) { |
416 | struct bt_stream *stream_candidate = | |
417 | g_ptr_array_index(trace->streams, i); | |
cfeb617e | 418 | |
44c440bc PP |
419 | if (stream_candidate->id == id) { |
420 | stream = stream_candidate; | |
421 | goto end; | |
422 | } | |
6474e016 | 423 | } |
95c09b3a | 424 | |
bc37ae52 | 425 | end: |
44c440bc | 426 | return stream; |
bc37ae52 JG |
427 | } |
428 | ||
1353b066 | 429 | BT_EXPORT |
40f4ba76 PP |
430 | const struct bt_stream *bt_trace_borrow_stream_by_id_const( |
431 | const struct bt_trace *trace, uint64_t id) | |
e5be10ef | 432 | { |
40f4ba76 | 433 | return bt_trace_borrow_stream_by_id((void *) trace, id); |
e5be10ef PP |
434 | } |
435 | ||
1353b066 | 436 | BT_EXPORT |
d24d5663 | 437 | enum bt_trace_add_listener_status bt_trace_add_destruction_listener( |
40f4ba76 | 438 | const struct bt_trace *c_trace, |
ad5268b5 | 439 | bt_trace_destruction_listener_func listener, |
2054a0d1 | 440 | void *data, bt_listener_id *listener_id) |
3602afb0 | 441 | { |
40f4ba76 | 442 | struct bt_trace *trace = (void *) c_trace; |
44c440bc | 443 | uint64_t i; |
ad5268b5 | 444 | struct bt_trace_destruction_listener_elem new_elem = { |
3602afb0 PP |
445 | .func = listener, |
446 | .data = data, | |
447 | }; | |
448 | ||
17f3083a | 449 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
450 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
451 | BT_ASSERT_PRE_LISTENER_FUNC_NON_NULL(listener); | |
8480c8cc | 452 | |
3602afb0 | 453 | /* Find the next available spot */ |
ad5268b5 FD |
454 | for (i = 0; i < trace->destruction_listeners->len; i++) { |
455 | struct bt_trace_destruction_listener_elem elem = | |
456 | g_array_index(trace->destruction_listeners, | |
457 | struct bt_trace_destruction_listener_elem, i); | |
3602afb0 PP |
458 | |
459 | if (!elem.func) { | |
460 | break; | |
461 | } | |
462 | } | |
463 | ||
ad5268b5 FD |
464 | if (i == trace->destruction_listeners->len) { |
465 | g_array_append_val(trace->destruction_listeners, new_elem); | |
3602afb0 | 466 | } else { |
ad5268b5 | 467 | g_array_insert_val(trace->destruction_listeners, i, new_elem); |
3602afb0 PP |
468 | } |
469 | ||
44c440bc PP |
470 | if (listener_id) { |
471 | *listener_id = i; | |
472 | } | |
3602afb0 | 473 | |
3f7d4d90 | 474 | BT_LIB_LOGD("Added destruction listener: " "%![trace-]+t, " |
ad5268b5 | 475 | "listener-id=%" PRIu64, trace, i); |
d24d5663 | 476 | return BT_FUNC_STATUS_OK; |
44c440bc PP |
477 | } |
478 | ||
44c440bc | 479 | static |
40f4ba76 | 480 | bool has_listener_id(const struct bt_trace *trace, uint64_t listener_id) |
44c440bc | 481 | { |
ad5268b5 FD |
482 | BT_ASSERT(listener_id < trace->destruction_listeners->len); |
483 | return (&g_array_index(trace->destruction_listeners, | |
484 | struct bt_trace_destruction_listener_elem, | |
5084732e | 485 | listener_id))->func; |
3602afb0 PP |
486 | } |
487 | ||
1353b066 | 488 | BT_EXPORT |
d24d5663 | 489 | enum bt_trace_remove_listener_status bt_trace_remove_destruction_listener( |
2054a0d1 | 490 | const struct bt_trace *c_trace, bt_listener_id listener_id) |
3602afb0 | 491 | { |
40f4ba76 | 492 | struct bt_trace *trace = (void *) c_trace; |
ad5268b5 | 493 | struct bt_trace_destruction_listener_elem *elem; |
3602afb0 | 494 | |
17f3083a | 495 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b | 496 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
1778c2a4 PP |
497 | BT_ASSERT_PRE("listener-id-exists", |
498 | has_listener_id(trace, listener_id), | |
ad5268b5 | 499 | "Trace has no such trace destruction listener ID: " |
44c440bc | 500 | "%![trace-]+t, %" PRIu64, trace, listener_id); |
ad5268b5 FD |
501 | elem = &g_array_index(trace->destruction_listeners, |
502 | struct bt_trace_destruction_listener_elem, | |
3602afb0 | 503 | listener_id); |
44c440bc | 504 | BT_ASSERT(elem->func); |
3602afb0 PP |
505 | |
506 | elem->func = NULL; | |
507 | elem->data = NULL; | |
3f7d4d90 | 508 | BT_LIB_LOGD("Removed \"trace destruction listener: " |
44c440bc PP |
509 | "%![trace-]+t, listener-id=%" PRIu64, |
510 | trace, listener_id); | |
d24d5663 | 511 | return BT_FUNC_STATUS_OK; |
44c440bc | 512 | } |
3602afb0 | 513 | |
40f4ba76 | 514 | void _bt_trace_freeze(const struct bt_trace *trace) |
44c440bc | 515 | { |
44c440bc | 516 | BT_ASSERT(trace); |
862ca4ed PP |
517 | BT_LIB_LOGD("Freezing trace's class: %!+T", trace->class); |
518 | bt_trace_class_freeze(trace->class); | |
c6962c96 PP |
519 | BT_LIB_LOGD("Freezing trace's user attributes: %!+v", |
520 | trace->user_attributes); | |
521 | bt_value_freeze(trace->user_attributes); | |
44c440bc | 522 | BT_LIB_LOGD("Freezing trace: %!+t", trace); |
40f4ba76 | 523 | ((struct bt_trace *) trace)->frozen = true; |
5acf2ae6 | 524 | } |
312c056a | 525 | |
44c440bc PP |
526 | void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream) |
527 | { | |
528 | guint count = 0; | |
529 | ||
530 | bt_object_set_parent(&stream->base, &trace->base); | |
531 | g_ptr_array_add(trace->streams, stream); | |
cb6f1f7d | 532 | bt_trace_freeze(trace); |
312c056a | 533 | |
44c440bc PP |
534 | if (bt_g_hash_table_contains(trace->stream_classes_stream_count, |
535 | stream->class)) { | |
536 | count = GPOINTER_TO_UINT(g_hash_table_lookup( | |
537 | trace->stream_classes_stream_count, stream->class)); | |
312c056a PP |
538 | } |
539 | ||
44c440bc PP |
540 | g_hash_table_insert(trace->stream_classes_stream_count, |
541 | stream->class, GUINT_TO_POINTER(count + 1)); | |
542 | } | |
543 | ||
40f4ba76 PP |
544 | uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace, |
545 | const struct bt_stream_class *stream_class) | |
44c440bc PP |
546 | { |
547 | gpointer orig_key; | |
548 | gpointer value; | |
549 | uint64_t id = 0; | |
550 | ||
551 | BT_ASSERT(stream_class); | |
552 | BT_ASSERT(trace); | |
553 | if (g_hash_table_lookup_extended(trace->stream_classes_stream_count, | |
554 | stream_class, &orig_key, &value)) { | |
555 | id = (uint64_t) GPOINTER_TO_UINT(value); | |
556 | } | |
557 | ||
558 | return id; | |
312c056a | 559 | } |
862ca4ed | 560 | |
1353b066 | 561 | BT_EXPORT |
862ca4ed PP |
562 | struct bt_trace_class *bt_trace_borrow_class(struct bt_trace *trace) |
563 | { | |
d5b13b9b | 564 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
862ca4ed PP |
565 | return trace->class; |
566 | } | |
567 | ||
1353b066 | 568 | BT_EXPORT |
862ca4ed PP |
569 | const struct bt_trace_class *bt_trace_borrow_class_const( |
570 | const struct bt_trace *trace) | |
571 | { | |
572 | return bt_trace_borrow_class((void *) trace); | |
573 | } | |
c5b9b441 | 574 | |
1353b066 | 575 | BT_EXPORT |
c6962c96 PP |
576 | const struct bt_value *bt_trace_borrow_user_attributes_const( |
577 | const struct bt_trace *trace) | |
578 | { | |
d5b13b9b | 579 | BT_ASSERT_PRE_DEV_TRACE_NON_NULL(trace); |
c6962c96 PP |
580 | return trace->user_attributes; |
581 | } | |
582 | ||
1353b066 | 583 | BT_EXPORT |
c6962c96 PP |
584 | struct bt_value *bt_trace_borrow_user_attributes(struct bt_trace *trace) |
585 | { | |
586 | return (void *) bt_trace_borrow_user_attributes_const((void *) trace); | |
587 | } | |
588 | ||
1353b066 | 589 | BT_EXPORT |
c6962c96 PP |
590 | void bt_trace_set_user_attributes( |
591 | struct bt_trace *trace, | |
592 | const struct bt_value *user_attributes) | |
593 | { | |
d5b13b9b PP |
594 | BT_ASSERT_PRE_TRACE_NON_NULL(trace); |
595 | BT_ASSERT_PRE_USER_ATTRS_NON_NULL(user_attributes); | |
596 | BT_ASSERT_PRE_USER_ATTRS_IS_MAP(user_attributes); | |
c6962c96 | 597 | BT_ASSERT_PRE_DEV_TRACE_HOT(trace); |
6871026b | 598 | bt_object_put_ref_no_null_check(trace->user_attributes); |
c6962c96 | 599 | trace->user_attributes = (void *) user_attributes; |
6871026b | 600 | bt_object_get_ref_no_null_check(trace->user_attributes); |
c6962c96 PP |
601 | } |
602 | ||
1353b066 | 603 | BT_EXPORT |
c5b9b441 PP |
604 | void bt_trace_get_ref(const struct bt_trace *trace) |
605 | { | |
606 | bt_object_get_ref(trace); | |
607 | } | |
608 | ||
1353b066 | 609 | BT_EXPORT |
c5b9b441 PP |
610 | void bt_trace_put_ref(const struct bt_trace *trace) |
611 | { | |
612 | bt_object_put_ref(trace); | |
613 | } |