Commit | Line | Data |
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bc37ae52 JG |
1 | /* |
2 | * trace.c | |
3 | * | |
4 | * Babeltrace CTF IR - Trace | |
5 | * | |
6 | * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
e011d2c1 PP |
29 | #define BT_LOG_TAG "TRACE" |
30 | #include <babeltrace/lib-logging-internal.h> | |
31 | ||
3dca2276 | 32 | #include <babeltrace/assert-pre-internal.h> |
bc37ae52 | 33 | #include <babeltrace/ctf-ir/trace-internal.h> |
ac0c6bdd | 34 | #include <babeltrace/ctf-ir/clock-class-internal.h> |
bc37ae52 JG |
35 | #include <babeltrace/ctf-ir/stream-internal.h> |
36 | #include <babeltrace/ctf-ir/stream-class-internal.h> | |
09840de5 | 37 | #include <babeltrace/ctf-ir/event-internal.h> |
272df73e PP |
38 | #include <babeltrace/ctf-ir/event-class.h> |
39 | #include <babeltrace/ctf-ir/event-class-internal.h> | |
bc37ae52 | 40 | #include <babeltrace/ctf-writer/functor-internal.h> |
ac0c6bdd | 41 | #include <babeltrace/ctf-writer/clock-internal.h> |
312c056a | 42 | #include <babeltrace/ctf-ir/field-wrapper-internal.h> |
2e33ac5a | 43 | #include <babeltrace/ctf-ir/field-types-internal.h> |
44e0a4f5 | 44 | #include <babeltrace/ctf-ir/attributes-internal.h> |
09840de5 | 45 | #include <babeltrace/ctf-ir/validation-internal.h> |
8bf65fbd | 46 | #include <babeltrace/ctf-ir/visitor-internal.h> |
654c1444 | 47 | #include <babeltrace/ctf-ir/utils.h> |
726106d3 | 48 | #include <babeltrace/ctf-ir/utils-internal.h> |
3d9990ac | 49 | #include <babeltrace/compiler-internal.h> |
dac5c838 | 50 | #include <babeltrace/values.h> |
95c09b3a | 51 | #include <babeltrace/values-internal.h> |
83509119 | 52 | #include <babeltrace/ref.h> |
c55a9f58 | 53 | #include <babeltrace/types.h> |
3d9990ac | 54 | #include <babeltrace/endian-internal.h> |
f6ccaed9 | 55 | #include <babeltrace/assert-internal.h> |
dc3fffef | 56 | #include <inttypes.h> |
544d0515 | 57 | #include <stdint.h> |
4a32fda0 | 58 | #include <string.h> |
0fbb9a9f | 59 | #include <stdlib.h> |
bc37ae52 JG |
60 | |
61 | #define DEFAULT_IDENTIFIER_SIZE 128 | |
62 | #define DEFAULT_METADATA_STRING_SIZE 4096 | |
63 | ||
50ad4244 | 64 | struct listener_wrapper { |
50842bdc | 65 | bt_listener_cb listener; |
2204c381 JG |
66 | void *data; |
67 | }; | |
68 | ||
50842bdc PP |
69 | struct bt_trace_is_static_listener_elem { |
70 | bt_trace_is_static_listener func; | |
71 | bt_trace_listener_removed removed; | |
3602afb0 PP |
72 | void *data; |
73 | }; | |
74 | ||
cb6f1f7d PP |
75 | static inline |
76 | void bt_trace_finalize(struct bt_trace *trace) | |
77 | { | |
78 | BT_LOGD("Finalizing trace object: addr=%p, name=\"%s\"", | |
79 | trace, bt_trace_get_name(trace)); | |
80 | ||
81 | if (trace->environment) { | |
82 | BT_LOGD_STR("Destroying environment attributes."); | |
83 | bt_attributes_destroy(trace->environment); | |
84 | } | |
85 | ||
86 | if (trace->name) { | |
87 | g_string_free(trace->name, TRUE); | |
88 | } | |
89 | ||
90 | if (trace->clock_classes) { | |
91 | BT_LOGD_STR("Putting clock classes."); | |
92 | g_ptr_array_free(trace->clock_classes, TRUE); | |
93 | } | |
94 | ||
95 | if (trace->streams) { | |
96 | BT_LOGD_STR("Destroying streams."); | |
97 | g_ptr_array_free(trace->streams, TRUE); | |
98 | } | |
99 | ||
100 | if (trace->stream_classes) { | |
101 | BT_LOGD_STR("Destroying stream classes."); | |
102 | g_ptr_array_free(trace->stream_classes, TRUE); | |
103 | } | |
104 | ||
105 | BT_LOGD_STR("Putting packet header field type."); | |
106 | bt_put(trace->packet_header_field_type); | |
107 | } | |
108 | ||
bc37ae52 | 109 | static |
3dca2276 PP |
110 | void bt_trace_destroy(struct bt_object *obj) |
111 | { | |
112 | struct bt_trace *trace = (void *) obj; | |
bc37ae52 | 113 | |
3dca2276 PP |
114 | BT_LOGD("Destroying trace object: addr=%p, name=\"%s\"", |
115 | trace, bt_trace_get_name(trace)); | |
bc37ae52 | 116 | |
3dca2276 PP |
117 | /* |
118 | * Call remove listeners first so that everything else still | |
119 | * exists in the trace. | |
120 | */ | |
121 | if (trace->is_static_listeners) { | |
122 | size_t i; | |
bc37ae52 | 123 | |
3dca2276 PP |
124 | for (i = 0; i < trace->is_static_listeners->len; i++) { |
125 | struct bt_trace_is_static_listener_elem elem = | |
126 | g_array_index(trace->is_static_listeners, | |
127 | struct bt_trace_is_static_listener_elem, i); | |
bc37ae52 | 128 | |
3dca2276 PP |
129 | if (elem.removed) { |
130 | elem.removed(trace, elem.data); | |
131 | } | |
132 | } | |
133 | ||
134 | g_array_free(trace->is_static_listeners, TRUE); | |
bc37ae52 JG |
135 | } |
136 | ||
3dca2276 PP |
137 | if (trace->listeners) { |
138 | g_ptr_array_free(trace->listeners, TRUE); | |
139 | } | |
140 | ||
312c056a | 141 | bt_object_pool_finalize(&trace->packet_header_field_pool); |
cb6f1f7d | 142 | bt_trace_finalize(trace); |
3dca2276 PP |
143 | g_free(trace); |
144 | } | |
145 | ||
cb6f1f7d PP |
146 | static inline |
147 | int bt_trace_initialize(struct bt_trace *trace, | |
3dca2276 PP |
148 | bt_object_release_func release_func) |
149 | { | |
150 | int ret = 0; | |
151 | ||
cb6f1f7d | 152 | BT_LOGD_STR("Initializing trace object."); |
50842bdc | 153 | trace->native_byte_order = BT_BYTE_ORDER_UNSPECIFIED; |
3fea54f6 | 154 | bt_object_init_shared_with_parent(&trace->base, release_func); |
3dca2276 | 155 | trace->clock_classes = g_ptr_array_new_with_free_func( |
83509119 | 156 | (GDestroyNotify) bt_put); |
3dca2276 | 157 | if (!trace->clock_classes) { |
95c09b3a PP |
158 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
159 | goto error; | |
160 | } | |
161 | ||
bc37ae52 | 162 | trace->streams = g_ptr_array_new_with_free_func( |
3fea54f6 | 163 | (GDestroyNotify) bt_object_try_spec_release); |
95c09b3a PP |
164 | if (!trace->streams) { |
165 | BT_LOGE_STR("Failed to allocate one GPtrArray."); | |
166 | goto error; | |
167 | } | |
168 | ||
bc37ae52 | 169 | trace->stream_classes = g_ptr_array_new_with_free_func( |
3fea54f6 | 170 | (GDestroyNotify) bt_object_try_spec_release); |
95c09b3a PP |
171 | if (!trace->stream_classes) { |
172 | BT_LOGE_STR("Failed to allocate one GPtrArray."); | |
83509119 | 173 | goto error; |
bc37ae52 JG |
174 | } |
175 | ||
7f800dc7 | 176 | /* Create the environment array object */ |
50842bdc | 177 | trace->environment = bt_attributes_create(); |
7f800dc7 | 178 | if (!trace->environment) { |
95c09b3a | 179 | BT_LOGE_STR("Cannot create empty attributes object."); |
83509119 | 180 | goto error; |
7f800dc7 PP |
181 | } |
182 | ||
cb6f1f7d | 183 | BT_LOGD("Initialized trace object: addr=%p", trace); |
3dca2276 PP |
184 | goto end; |
185 | ||
186 | error: | |
187 | ret = -1; | |
188 | ||
189 | end: | |
190 | return ret; | |
191 | } | |
192 | ||
312c056a PP |
193 | static |
194 | void free_packet_header_field(struct bt_field_wrapper *field_wrapper, | |
195 | struct bt_trace *trace) | |
196 | { | |
197 | bt_field_wrapper_destroy(field_wrapper); | |
198 | } | |
199 | ||
3dca2276 PP |
200 | struct bt_trace *bt_trace_create(void) |
201 | { | |
202 | struct bt_trace *trace = NULL; | |
203 | int ret; | |
204 | ||
205 | BT_LOGD_STR("Creating trace object."); | |
206 | trace = g_new0(struct bt_trace, 1); | |
207 | if (!trace) { | |
208 | BT_LOGE_STR("Failed to allocate one trace."); | |
209 | goto error; | |
210 | } | |
211 | ||
cb6f1f7d | 212 | ret = bt_trace_initialize(trace, bt_trace_destroy); |
3dca2276 | 213 | if (ret) { |
cb6f1f7d | 214 | /* bt_trace_initialize() logs errors */ |
3dca2276 PP |
215 | goto error; |
216 | } | |
217 | ||
9b888ff3 JG |
218 | trace->listeners = g_ptr_array_new_with_free_func( |
219 | (GDestroyNotify) g_free); | |
220 | if (!trace->listeners) { | |
95c09b3a | 221 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
9b888ff3 JG |
222 | goto error; |
223 | } | |
224 | ||
3602afb0 | 225 | trace->is_static_listeners = g_array_new(FALSE, TRUE, |
50842bdc | 226 | sizeof(struct bt_trace_is_static_listener_elem)); |
3602afb0 PP |
227 | if (!trace->is_static_listeners) { |
228 | BT_LOGE_STR("Failed to allocate one GArray."); | |
229 | goto error; | |
230 | } | |
231 | ||
312c056a PP |
232 | ret = bt_object_pool_initialize(&trace->packet_header_field_pool, |
233 | (bt_object_pool_new_object_func) bt_field_wrapper_new, | |
234 | (bt_object_pool_destroy_object_func) free_packet_header_field, | |
235 | trace); | |
236 | if (ret) { | |
237 | BT_LOGE("Failed to initialize packet header field pool: ret=%d", | |
238 | ret); | |
239 | goto error; | |
240 | } | |
241 | ||
95c09b3a | 242 | BT_LOGD("Created trace object: addr=%p", trace); |
bc37ae52 JG |
243 | return trace; |
244 | ||
bc37ae52 | 245 | error: |
83509119 | 246 | BT_PUT(trace); |
bc37ae52 JG |
247 | return trace; |
248 | } | |
249 | ||
50842bdc | 250 | const char *bt_trace_get_name(struct bt_trace *trace) |
e96045d4 | 251 | { |
cb6f1f7d PP |
252 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
253 | return trace->name ? trace->name->str : NULL; | |
e96045d4 JG |
254 | } |
255 | ||
cb6f1f7d | 256 | int bt_trace_set_name(struct bt_trace *trace, const char *name) |
e96045d4 JG |
257 | { |
258 | int ret = 0; | |
259 | ||
95c09b3a PP |
260 | if (!trace) { |
261 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
262 | ret = -1; | |
263 | goto end; | |
264 | } | |
265 | ||
266 | if (!name) { | |
267 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
268 | ret = -1; | |
269 | goto end; | |
270 | } | |
271 | ||
272 | if (trace->frozen) { | |
273 | BT_LOGW("Invalid parameter: trace is frozen: " | |
274 | "addr=%p, name=\"%s\"", | |
cb6f1f7d | 275 | trace, bt_trace_get_name(trace)); |
e96045d4 JG |
276 | ret = -1; |
277 | goto end; | |
278 | } | |
279 | ||
280 | trace->name = trace->name ? g_string_assign(trace->name, name) : | |
281 | g_string_new(name); | |
282 | if (!trace->name) { | |
95c09b3a | 283 | BT_LOGE_STR("Failed to allocate one GString."); |
e96045d4 JG |
284 | ret = -1; |
285 | goto end; | |
286 | } | |
95c09b3a PP |
287 | |
288 | BT_LOGV("Set trace's name: addr=%p, name=\"%s\"", trace, name); | |
289 | ||
e96045d4 JG |
290 | end: |
291 | return ret; | |
292 | } | |
293 | ||
50842bdc | 294 | const unsigned char *bt_trace_get_uuid(struct bt_trace *trace) |
4a32fda0 | 295 | { |
cb6f1f7d PP |
296 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
297 | return trace->uuid_set ? trace->uuid : NULL; | |
4a32fda0 PP |
298 | } |
299 | ||
cb6f1f7d | 300 | int bt_trace_set_uuid(struct bt_trace *trace, |
3dca2276 | 301 | const unsigned char *uuid) |
4a32fda0 PP |
302 | { |
303 | int ret = 0; | |
304 | ||
95c09b3a PP |
305 | if (!trace) { |
306 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
307 | ret = -1; | |
308 | goto end; | |
309 | } | |
310 | ||
311 | if (!uuid) { | |
312 | BT_LOGW_STR("Invalid parameter: UUID is NULL."); | |
313 | ret = -1; | |
314 | goto end; | |
315 | } | |
316 | ||
317 | if (trace->frozen) { | |
318 | BT_LOGW("Invalid parameter: trace is frozen: " | |
319 | "addr=%p, name=\"%s\"", | |
cb6f1f7d | 320 | trace, bt_trace_get_name(trace)); |
4a32fda0 PP |
321 | ret = -1; |
322 | goto end; | |
323 | } | |
324 | ||
20eee76e | 325 | memcpy(trace->uuid, uuid, BABELTRACE_UUID_LEN); |
c55a9f58 | 326 | trace->uuid_set = BT_TRUE; |
95c09b3a PP |
327 | BT_LOGV("Set trace's UUID: addr=%p, name=\"%s\", " |
328 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
cb6f1f7d | 329 | trace, bt_trace_get_name(trace), |
95c09b3a PP |
330 | (unsigned int) uuid[0], |
331 | (unsigned int) uuid[1], | |
332 | (unsigned int) uuid[2], | |
333 | (unsigned int) uuid[3], | |
334 | (unsigned int) uuid[4], | |
335 | (unsigned int) uuid[5], | |
336 | (unsigned int) uuid[6], | |
337 | (unsigned int) uuid[7], | |
338 | (unsigned int) uuid[8], | |
339 | (unsigned int) uuid[9], | |
340 | (unsigned int) uuid[10], | |
341 | (unsigned int) uuid[11], | |
342 | (unsigned int) uuid[12], | |
343 | (unsigned int) uuid[13], | |
344 | (unsigned int) uuid[14], | |
345 | (unsigned int) uuid[15]); | |
4a32fda0 PP |
346 | |
347 | end: | |
348 | return ret; | |
349 | } | |
350 | ||
cb6f1f7d | 351 | int bt_trace_set_environment_field(struct bt_trace *trace, |
dac5c838 | 352 | const char *name, struct bt_value *value) |
bc37ae52 | 353 | { |
bc37ae52 JG |
354 | int ret = 0; |
355 | ||
95c09b3a PP |
356 | if (!trace) { |
357 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
358 | ret = -1; | |
359 | goto end; | |
360 | } | |
361 | ||
362 | if (!name) { | |
363 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
364 | ret = -1; | |
365 | goto end; | |
366 | } | |
367 | ||
368 | if (!value) { | |
369 | BT_LOGW_STR("Invalid parameter: value is NULL."); | |
370 | ret = -1; | |
371 | goto end; | |
372 | } | |
373 | ||
cb6f1f7d PP |
374 | if (trace->is_static) { |
375 | BT_LOGW("Invalid parameter: trace is static: " | |
376 | "addr=%p, name=\"%s\"", | |
377 | trace, bt_trace_get_name(trace)); | |
378 | ret = -1; | |
379 | goto end; | |
380 | } | |
381 | ||
f4cc9a21 | 382 | if (!bt_identifier_is_valid(name)) { |
95c09b3a PP |
383 | BT_LOGW("Invalid parameter: environment field's name is not a valid CTF identifier: " |
384 | "trace-addr=%p, trace-name=\"%s\", " | |
385 | "env-name=\"%s\"", | |
cb6f1f7d | 386 | trace, bt_trace_get_name(trace), name); |
bc37ae52 | 387 | ret = -1; |
7f800dc7 | 388 | goto end; |
bc37ae52 JG |
389 | } |
390 | ||
95c09b3a PP |
391 | if (!bt_value_is_integer(value) && !bt_value_is_string(value)) { |
392 | BT_LOGW("Invalid parameter: environment field's value is not an integer or string value: " | |
393 | "trace-addr=%p, trace-name=\"%s\", " | |
394 | "env-name=\"%s\", env-value-type=%s", | |
cb6f1f7d | 395 | trace, bt_trace_get_name(trace), name, |
95c09b3a PP |
396 | bt_value_type_string(bt_value_get_type(value))); |
397 | ret = -1; | |
398 | goto end; | |
399 | } | |
400 | ||
a0d12916 JG |
401 | if (trace->frozen) { |
402 | /* | |
403 | * New environment fields may be added to a frozen trace, | |
404 | * but existing fields may not be changed. | |
405 | * | |
406 | * The object passed is frozen like all other attributes. | |
407 | */ | |
dac5c838 | 408 | struct bt_value *attribute = |
094ff7c0 | 409 | bt_attributes_borrow_field_value_by_name( |
a0d12916 JG |
410 | trace->environment, name); |
411 | ||
412 | if (attribute) { | |
95c09b3a PP |
413 | BT_LOGW("Invalid parameter: trace is frozen and environment field already exists with this name: " |
414 | "trace-addr=%p, trace-name=\"%s\", " | |
415 | "env-name=\"%s\"", | |
cb6f1f7d | 416 | trace, bt_trace_get_name(trace), name); |
a0d12916 JG |
417 | ret = -1; |
418 | goto end; | |
419 | } | |
420 | ||
dac5c838 | 421 | bt_value_freeze(value); |
a0d12916 JG |
422 | } |
423 | ||
50842bdc | 424 | ret = bt_attributes_set_field_value(trace->environment, name, |
7f800dc7 | 425 | value); |
95c09b3a PP |
426 | if (ret) { |
427 | BT_LOGE("Cannot set environment field's value: " | |
428 | "trace-addr=%p, trace-name=\"%s\", " | |
429 | "env-name=\"%s\"", | |
cb6f1f7d | 430 | trace, bt_trace_get_name(trace), name); |
95c09b3a PP |
431 | } else { |
432 | BT_LOGV("Set environment field's value: " | |
433 | "trace-addr=%p, trace-name=\"%s\", " | |
434 | "env-name=\"%s\", value-addr=%p", | |
cb6f1f7d | 435 | trace, bt_trace_get_name(trace), name, value); |
95c09b3a | 436 | } |
bc37ae52 | 437 | |
7f800dc7 PP |
438 | end: |
439 | return ret; | |
440 | } | |
bc37ae52 | 441 | |
cb6f1f7d | 442 | int bt_trace_set_environment_field_string(struct bt_trace *trace, |
7f800dc7 PP |
443 | const char *name, const char *value) |
444 | { | |
445 | int ret = 0; | |
dac5c838 | 446 | struct bt_value *env_value_string_obj = NULL; |
7f800dc7 | 447 | |
95c09b3a PP |
448 | if (!value) { |
449 | BT_LOGW_STR("Invalid parameter: value is NULL."); | |
bc37ae52 | 450 | ret = -1; |
7f800dc7 | 451 | goto end; |
bc37ae52 JG |
452 | } |
453 | ||
dac5c838 | 454 | env_value_string_obj = bt_value_string_create_init(value); |
7f800dc7 | 455 | if (!env_value_string_obj) { |
95c09b3a | 456 | BT_LOGE_STR("Cannot create string value object."); |
7f800dc7 PP |
457 | ret = -1; |
458 | goto end; | |
bc37ae52 JG |
459 | } |
460 | ||
cb6f1f7d PP |
461 | /* bt_trace_set_environment_field() logs errors */ |
462 | ret = bt_trace_set_environment_field(trace, name, | |
7f800dc7 PP |
463 | env_value_string_obj); |
464 | ||
465 | end: | |
95c09b3a | 466 | bt_put(env_value_string_obj); |
3487c9f3 JG |
467 | return ret; |
468 | } | |
469 | ||
cb6f1f7d PP |
470 | int bt_trace_set_environment_field_integer( |
471 | struct bt_trace *trace, const char *name, int64_t value) | |
3487c9f3 | 472 | { |
3487c9f3 | 473 | int ret = 0; |
dac5c838 | 474 | struct bt_value *env_value_integer_obj = NULL; |
3487c9f3 | 475 | |
dac5c838 | 476 | env_value_integer_obj = bt_value_integer_create_init(value); |
7f800dc7 | 477 | if (!env_value_integer_obj) { |
95c09b3a | 478 | BT_LOGE_STR("Cannot create integer value object."); |
3487c9f3 | 479 | ret = -1; |
7f800dc7 | 480 | goto end; |
3487c9f3 JG |
481 | } |
482 | ||
cb6f1f7d PP |
483 | /* bt_trace_set_environment_field() logs errors */ |
484 | ret = bt_trace_set_environment_field(trace, name, | |
7f800dc7 | 485 | env_value_integer_obj); |
95c09b3a | 486 | |
7f800dc7 | 487 | end: |
95c09b3a | 488 | bt_put(env_value_integer_obj); |
bc37ae52 JG |
489 | return ret; |
490 | } | |
491 | ||
3dca2276 PP |
492 | int64_t bt_trace_get_environment_field_count(struct bt_trace *trace) |
493 | { | |
cb6f1f7d PP |
494 | int64_t ret; |
495 | ||
496 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
497 | ret = bt_attributes_get_count(trace->environment); | |
498 | BT_ASSERT(ret >= 0); | |
499 | return ret; | |
e6fa2160 JG |
500 | } |
501 | ||
502 | const char * | |
50842bdc | 503 | bt_trace_get_environment_field_name_by_index(struct bt_trace *trace, |
9ac68eb1 | 504 | uint64_t index) |
e6fa2160 | 505 | { |
cb6f1f7d PP |
506 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
507 | return bt_attributes_get_field_name(trace->environment, index); | |
e6fa2160 JG |
508 | } |
509 | ||
094ff7c0 | 510 | struct bt_value *bt_trace_borrow_environment_field_value_by_index( |
50842bdc | 511 | struct bt_trace *trace, uint64_t index) |
e6fa2160 | 512 | { |
cb6f1f7d PP |
513 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
514 | return bt_attributes_borrow_field_value(trace->environment, index); | |
e6fa2160 JG |
515 | } |
516 | ||
094ff7c0 | 517 | struct bt_value *bt_trace_borrow_environment_field_value_by_name( |
50842bdc | 518 | struct bt_trace *trace, const char *name) |
e6fa2160 | 519 | { |
cb6f1f7d PP |
520 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
521 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
522 | return bt_attributes_borrow_field_value_by_name(trace->environment, | |
523 | name); | |
e6fa2160 JG |
524 | } |
525 | ||
cb6f1f7d | 526 | int bt_trace_add_clock_class(struct bt_trace *trace, |
50842bdc | 527 | struct bt_clock_class *clock_class) |
bc37ae52 JG |
528 | { |
529 | int ret = 0; | |
bc37ae52 | 530 | |
95c09b3a PP |
531 | if (!trace) { |
532 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
533 | ret = -1; | |
534 | goto end; | |
535 | } | |
536 | ||
cb6f1f7d PP |
537 | if (trace->is_static) { |
538 | BT_LOGW("Invalid parameter: trace is static: " | |
539 | "addr=%p, name=\"%s\"", | |
540 | trace, bt_trace_get_name(trace)); | |
541 | ret = -1; | |
542 | goto end; | |
543 | } | |
544 | ||
50842bdc | 545 | if (!bt_clock_class_is_valid(clock_class)) { |
95c09b3a PP |
546 | BT_LOGW("Invalid parameter: clock class is invalid: " |
547 | "trace-addr=%p, trace-name=\"%s\", " | |
548 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
cb6f1f7d | 549 | trace, bt_trace_get_name(trace), |
50842bdc | 550 | clock_class, bt_clock_class_get_name(clock_class)); |
bc37ae52 JG |
551 | ret = -1; |
552 | goto end; | |
553 | } | |
554 | ||
ac0c6bdd | 555 | /* Check for duplicate clock classes */ |
cb6f1f7d | 556 | if (bt_trace_has_clock_class(trace, clock_class)) { |
95c09b3a PP |
557 | BT_LOGW("Invalid parameter: clock class already exists in trace: " |
558 | "trace-addr=%p, trace-name=\"%s\", " | |
559 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
cb6f1f7d | 560 | trace, bt_trace_get_name(trace), |
50842bdc | 561 | clock_class, bt_clock_class_get_name(clock_class)); |
bc37ae52 JG |
562 | ret = -1; |
563 | goto end; | |
564 | } | |
565 | ||
ac0c6bdd | 566 | bt_get(clock_class); |
3dca2276 | 567 | g_ptr_array_add(trace->clock_classes, clock_class); |
cfeb617e | 568 | |
6474e016 | 569 | if (trace->frozen) { |
95c09b3a | 570 | BT_LOGV_STR("Freezing added clock class because trace is frozen."); |
50842bdc | 571 | bt_clock_class_freeze(clock_class); |
6474e016 | 572 | } |
95c09b3a PP |
573 | |
574 | BT_LOGV("Added clock class to trace: " | |
575 | "trace-addr=%p, trace-name=\"%s\", " | |
576 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
cb6f1f7d | 577 | trace, bt_trace_get_name(trace), |
50842bdc | 578 | clock_class, bt_clock_class_get_name(clock_class)); |
95c09b3a | 579 | |
bc37ae52 JG |
580 | end: |
581 | return ret; | |
582 | } | |
583 | ||
50842bdc | 584 | int64_t bt_trace_get_clock_class_count(struct bt_trace *trace) |
884cd6c3 | 585 | { |
cb6f1f7d PP |
586 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
587 | return trace->clock_classes->len; | |
884cd6c3 JG |
588 | } |
589 | ||
094ff7c0 | 590 | struct bt_clock_class *bt_trace_borrow_clock_class_by_index( |
50842bdc | 591 | struct bt_trace *trace, uint64_t index) |
884cd6c3 | 592 | { |
cb6f1f7d PP |
593 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
594 | BT_ASSERT_PRE(index < trace->clock_classes->len, | |
595 | "Index is out of bounds: index=%" PRIu64 ", " | |
596 | "count=%u", | |
597 | index, trace->clock_classes->len); | |
598 | return g_ptr_array_index(trace->clock_classes, index); | |
884cd6c3 JG |
599 | } |
600 | ||
e011d2c1 | 601 | static |
cb6f1f7d PP |
602 | bool packet_header_field_type_is_valid(struct bt_trace *trace, |
603 | struct bt_field_type *packet_header_type) | |
e011d2c1 PP |
604 | { |
605 | int ret; | |
606 | bool is_valid = true; | |
cb6f1f7d | 607 | struct bt_field_type *field_type = NULL; |
e011d2c1 PP |
608 | |
609 | if (!packet_header_type) { | |
610 | /* | |
611 | * No packet header field type: trace must have only | |
612 | * one stream. At this point the stream class being | |
613 | * added is not part of the trace yet, so we validate | |
614 | * that the trace contains no stream classes yet. | |
615 | */ | |
616 | if (trace->stream_classes->len >= 1) { | |
617 | BT_LOGW_STR("Invalid packet header field type: " | |
618 | "packet header field type does not exist but there's more than one stream class in the trace."); | |
619 | goto invalid; | |
620 | } | |
621 | ||
622 | /* No packet header field type: valid at this point */ | |
623 | goto end; | |
624 | } | |
625 | ||
626 | /* Packet header field type, if it exists, must be a structure */ | |
3dca2276 | 627 | if (packet_header_type->id != BT_FIELD_TYPE_ID_STRUCT) { |
e011d2c1 PP |
628 | BT_LOGW("Invalid packet header field type: must be a structure field type if it exists: " |
629 | "ft-addr=%p, ft-id=%s", | |
630 | packet_header_type, | |
3dca2276 | 631 | bt_common_field_type_id_string(packet_header_type->id)); |
e011d2c1 PP |
632 | goto invalid; |
633 | } | |
634 | ||
635 | /* | |
636 | * If there's a `magic` field, it must be a 32-bit unsigned | |
637 | * integer field type. Also it must be the first field of the | |
638 | * packet header field type. | |
639 | */ | |
cb6f1f7d | 640 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
641 | packet_header_type, "magic"); |
642 | if (field_type) { | |
643 | const char *field_name; | |
644 | ||
3dca2276 | 645 | if (field_type->id != BT_FIELD_TYPE_ID_INTEGER) { |
e011d2c1 PP |
646 | BT_LOGW("Invalid packet header field type: `magic` field must be an integer field type: " |
647 | "magic-ft-addr=%p, magic-ft-id=%s", | |
648 | field_type, | |
3dca2276 | 649 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
650 | goto invalid; |
651 | } | |
652 | ||
cb6f1f7d | 653 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
654 | BT_LOGW("Invalid packet header field type: `magic` field must be an unsigned integer field type: " |
655 | "magic-ft-addr=%p", field_type); | |
656 | goto invalid; | |
657 | } | |
658 | ||
cb6f1f7d | 659 | if (bt_field_type_integer_get_size(field_type) != 32) { |
e011d2c1 PP |
660 | BT_LOGW("Invalid packet header field type: `magic` field must be a 32-bit unsigned integer field type: " |
661 | "magic-ft-addr=%p, magic-ft-size=%u", | |
662 | field_type, | |
cb6f1f7d | 663 | bt_field_type_integer_get_size(field_type)); |
e011d2c1 PP |
664 | goto invalid; |
665 | } | |
666 | ||
cb6f1f7d | 667 | ret = bt_field_type_structure_borrow_field_by_index( |
e011d2c1 | 668 | packet_header_type, &field_name, NULL, 0); |
f6ccaed9 | 669 | BT_ASSERT(ret == 0); |
e011d2c1 PP |
670 | |
671 | if (strcmp(field_name, "magic") != 0) { | |
672 | BT_LOGW("Invalid packet header field type: `magic` field must be the first field: " | |
673 | "magic-ft-addr=%p, first-field-name=\"%s\"", | |
674 | field_type, field_name); | |
675 | goto invalid; | |
676 | } | |
e011d2c1 PP |
677 | } |
678 | ||
679 | /* | |
680 | * If there's a `uuid` field, it must be an array field type of | |
681 | * length 16 with an 8-bit unsigned integer element field type. | |
682 | */ | |
cb6f1f7d | 683 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
684 | packet_header_type, "uuid"); |
685 | if (field_type) { | |
cb6f1f7d | 686 | struct bt_field_type *elem_ft; |
e011d2c1 | 687 | |
3dca2276 | 688 | if (field_type->id != BT_FIELD_TYPE_ID_ARRAY) { |
e011d2c1 PP |
689 | BT_LOGW("Invalid packet header field type: `uuid` field must be an array field type: " |
690 | "uuid-ft-addr=%p, uuid-ft-id=%s", | |
691 | field_type, | |
3dca2276 | 692 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
693 | goto invalid; |
694 | } | |
695 | ||
cb6f1f7d | 696 | if (bt_field_type_array_get_length(field_type) != 16) { |
e011d2c1 PP |
697 | BT_LOGW("Invalid packet header field type: `uuid` array field type's length must be 16: " |
698 | "uuid-ft-addr=%p, uuid-ft-length=%" PRId64, | |
699 | field_type, | |
cb6f1f7d | 700 | bt_field_type_array_get_length(field_type)); |
e011d2c1 PP |
701 | goto invalid; |
702 | } | |
703 | ||
cb6f1f7d | 704 | elem_ft = bt_field_type_array_borrow_element_field_type(field_type); |
f6ccaed9 | 705 | BT_ASSERT(elem_ft); |
e011d2c1 | 706 | |
3dca2276 | 707 | if (elem_ft->id != BT_FIELD_TYPE_ID_INTEGER) { |
e011d2c1 PP |
708 | BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an integer field type: " |
709 | "elem-ft-addr=%p, elem-ft-id=%s", | |
710 | elem_ft, | |
3dca2276 | 711 | bt_common_field_type_id_string(elem_ft->id)); |
e011d2c1 PP |
712 | goto invalid; |
713 | } | |
714 | ||
cb6f1f7d | 715 | if (bt_field_type_integer_is_signed(elem_ft)) { |
e011d2c1 PP |
716 | BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an unsigned integer field type: " |
717 | "elem-ft-addr=%p", elem_ft); | |
e011d2c1 PP |
718 | goto invalid; |
719 | } | |
720 | ||
cb6f1f7d | 721 | if (bt_field_type_integer_get_size(elem_ft) != 8) { |
e011d2c1 PP |
722 | BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an 8-bit unsigned integer field type: " |
723 | "elem-ft-addr=%p, elem-ft-size=%u", | |
724 | elem_ft, | |
cb6f1f7d | 725 | bt_field_type_integer_get_size(elem_ft)); |
e011d2c1 PP |
726 | goto invalid; |
727 | } | |
e011d2c1 PP |
728 | } |
729 | ||
730 | /* | |
731 | * The `stream_id` field must exist if there's more than one | |
732 | * stream classes in the trace. | |
733 | */ | |
cb6f1f7d | 734 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
735 | packet_header_type, "stream_id"); |
736 | ||
737 | if (!field_type && trace->stream_classes->len >= 1) { | |
738 | BT_LOGW_STR("Invalid packet header field type: " | |
739 | "`stream_id` field does not exist but there's more than one stream class in the trace."); | |
740 | goto invalid; | |
741 | } | |
742 | ||
743 | /* | |
744 | * If there's a `stream_id` field, it must be an unsigned | |
745 | * integer field type. | |
746 | */ | |
747 | if (field_type) { | |
3dca2276 | 748 | if (field_type->id != BT_FIELD_TYPE_ID_INTEGER) { |
e011d2c1 PP |
749 | BT_LOGW("Invalid packet header field type: `stream_id` field must be an integer field type: " |
750 | "stream-id-ft-addr=%p, stream-id-ft-id=%s", | |
751 | field_type, | |
3dca2276 | 752 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
753 | goto invalid; |
754 | } | |
755 | ||
cb6f1f7d | 756 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
757 | BT_LOGW("Invalid packet header field type: `stream_id` field must be an unsigned integer field type: " |
758 | "stream-id-ft-addr=%p", field_type); | |
759 | goto invalid; | |
760 | } | |
e011d2c1 PP |
761 | } |
762 | ||
708ab211 PP |
763 | /* |
764 | * If there's a `packet_seq_num` field, it must be an unsigned | |
765 | * integer field type. | |
766 | */ | |
cb6f1f7d | 767 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
708ab211 PP |
768 | packet_header_type, "packet_seq_num"); |
769 | if (field_type) { | |
3dca2276 | 770 | if (field_type->id != BT_FIELD_TYPE_ID_INTEGER) { |
708ab211 PP |
771 | BT_LOGW("Invalid packet header field type: `packet_seq_num` field must be an integer field type: " |
772 | "stream-id-ft-addr=%p, packet-seq-num-ft-id=%s", | |
773 | field_type, | |
3dca2276 | 774 | bt_common_field_type_id_string(field_type->id)); |
708ab211 PP |
775 | goto invalid; |
776 | } | |
777 | ||
cb6f1f7d | 778 | if (bt_field_type_integer_is_signed(field_type)) { |
708ab211 PP |
779 | BT_LOGW("Invalid packet header field type: `packet_seq_num` field must be an unsigned integer field type: " |
780 | "packet-seq-num-ft-addr=%p", field_type); | |
781 | goto invalid; | |
782 | } | |
708ab211 PP |
783 | } |
784 | ||
e011d2c1 PP |
785 | goto end; |
786 | ||
787 | invalid: | |
788 | is_valid = false; | |
789 | ||
790 | end: | |
e011d2c1 PP |
791 | return is_valid; |
792 | } | |
793 | ||
794 | static | |
cb6f1f7d PP |
795 | bool packet_context_field_type_is_valid(struct bt_trace *trace, |
796 | struct bt_stream_class *stream_class, | |
797 | struct bt_field_type *packet_context_type, | |
3dca2276 | 798 | bool check_ts_begin_end_mapped) |
e011d2c1 PP |
799 | { |
800 | bool is_valid = true; | |
cb6f1f7d | 801 | struct bt_field_type *field_type = NULL; |
e011d2c1 PP |
802 | |
803 | if (!packet_context_type) { | |
804 | /* No packet context field type: valid at this point */ | |
805 | goto end; | |
806 | } | |
807 | ||
808 | /* Packet context field type, if it exists, must be a structure */ | |
3dca2276 | 809 | if (packet_context_type->id != BT_FIELD_TYPE_ID_STRUCT) { |
e011d2c1 PP |
810 | BT_LOGW("Invalid packet context field type: must be a structure field type if it exists: " |
811 | "ft-addr=%p, ft-id=%s", | |
812 | packet_context_type, | |
3dca2276 | 813 | bt_common_field_type_id_string(packet_context_type->id)); |
e011d2c1 PP |
814 | goto invalid; |
815 | } | |
816 | ||
817 | /* | |
818 | * If there's a `packet_size` field, it must be an unsigned | |
819 | * integer field type. | |
820 | */ | |
cb6f1f7d | 821 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
822 | packet_context_type, "packet_size"); |
823 | if (field_type) { | |
3dca2276 | 824 | if (field_type->id != BT_FIELD_TYPE_ID_INTEGER) { |
e011d2c1 PP |
825 | BT_LOGW("Invalid packet context field type: `packet_size` field must be an integer field type: " |
826 | "packet-size-ft-addr=%p, packet-size-ft-id=%s", | |
827 | field_type, | |
3dca2276 | 828 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
829 | goto invalid; |
830 | } | |
831 | ||
cb6f1f7d | 832 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
833 | BT_LOGW("Invalid packet context field type: `packet_size` field must be an unsigned integer field type: " |
834 | "packet-size-ft-addr=%p", field_type); | |
835 | goto invalid; | |
836 | } | |
e011d2c1 PP |
837 | } |
838 | ||
839 | /* | |
840 | * If there's a `content_size` field, it must be an unsigned | |
841 | * integer field type. | |
842 | */ | |
cb6f1f7d | 843 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
844 | packet_context_type, "content_size"); |
845 | if (field_type) { | |
3dca2276 | 846 | if (field_type->id != BT_FIELD_TYPE_ID_INTEGER) { |
e011d2c1 PP |
847 | BT_LOGW("Invalid packet context field type: `content_size` field must be an integer field type: " |
848 | "content-size-ft-addr=%p, content-size-ft-id=%s", | |
849 | field_type, | |
3dca2276 | 850 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
851 | goto invalid; |
852 | } | |
853 | ||
cb6f1f7d | 854 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
855 | BT_LOGW("Invalid packet context field type: `content_size` field must be an unsigned integer field type: " |
856 | "content-size-ft-addr=%p", field_type); | |
857 | goto invalid; | |
858 | } | |
e011d2c1 PP |
859 | } |
860 | ||
861 | /* | |
862 | * If there's a `events_discarded` field, it must be an unsigned | |
863 | * integer field type. | |
864 | */ | |
cb6f1f7d | 865 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
866 | packet_context_type, "events_discarded"); |
867 | if (field_type) { | |
3dca2276 | 868 | if (field_type->id != BT_FIELD_TYPE_ID_INTEGER) { |
e011d2c1 PP |
869 | BT_LOGW("Invalid packet context field type: `events_discarded` field must be an integer field type: " |
870 | "events-discarded-ft-addr=%p, events-discarded-ft-id=%s", | |
871 | field_type, | |
3dca2276 | 872 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
873 | goto invalid; |
874 | } | |
875 | ||
cb6f1f7d | 876 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
877 | BT_LOGW("Invalid packet context field type: `events_discarded` field must be an unsigned integer field type: " |
878 | "events-discarded-ft-addr=%p", field_type); | |
879 | goto invalid; | |
880 | } | |
e011d2c1 PP |
881 | } |
882 | ||
883 | /* | |
884 | * If there's a `timestamp_begin` field, it must be an unsigned | |
885 | * integer field type. Also, if the trace is not a CTF writer's | |
886 | * trace, then we cannot automatically set the mapped clock | |
887 | * class of this field, so it must have a mapped clock class. | |
888 | */ | |
cb6f1f7d | 889 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
890 | packet_context_type, "timestamp_begin"); |
891 | if (field_type) { | |
3dca2276 | 892 | if (field_type->id != BT_FIELD_TYPE_ID_INTEGER) { |
e011d2c1 PP |
893 | BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be an integer field type: " |
894 | "timestamp-begin-ft-addr=%p, timestamp-begin-ft-id=%s", | |
895 | field_type, | |
3dca2276 | 896 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
897 | goto invalid; |
898 | } | |
899 | ||
cb6f1f7d | 900 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
901 | BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be an unsigned integer field type: " |
902 | "timestamp-begin-ft-addr=%p", field_type); | |
903 | goto invalid; | |
904 | } | |
905 | ||
3dca2276 | 906 | if (check_ts_begin_end_mapped) { |
50842bdc | 907 | struct bt_clock_class *clock_class = |
cb6f1f7d | 908 | bt_field_type_integer_borrow_mapped_clock_class( |
e011d2c1 PP |
909 | field_type); |
910 | ||
e011d2c1 PP |
911 | if (!clock_class) { |
912 | BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be mapped to a clock class: " | |
913 | "timestamp-begin-ft-addr=%p", field_type); | |
914 | goto invalid; | |
915 | } | |
916 | } | |
e011d2c1 PP |
917 | } |
918 | ||
919 | /* | |
920 | * If there's a `timestamp_end` field, it must be an unsigned | |
921 | * integer field type. Also, if the trace is not a CTF writer's | |
922 | * trace, then we cannot automatically set the mapped clock | |
923 | * class of this field, so it must have a mapped clock class. | |
924 | */ | |
cb6f1f7d | 925 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
926 | packet_context_type, "timestamp_end"); |
927 | if (field_type) { | |
3dca2276 | 928 | if (field_type->id != BT_FIELD_TYPE_ID_INTEGER) { |
e011d2c1 PP |
929 | BT_LOGW("Invalid packet context field type: `timestamp_end` field must be an integer field type: " |
930 | "timestamp-end-ft-addr=%p, timestamp-end-ft-id=%s", | |
931 | field_type, | |
3dca2276 | 932 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
933 | goto invalid; |
934 | } | |
935 | ||
cb6f1f7d | 936 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
937 | BT_LOGW("Invalid packet context field type: `timestamp_end` field must be an unsigned integer field type: " |
938 | "timestamp-end-ft-addr=%p", field_type); | |
939 | goto invalid; | |
940 | } | |
941 | ||
3dca2276 | 942 | if (check_ts_begin_end_mapped) { |
50842bdc | 943 | struct bt_clock_class *clock_class = |
cb6f1f7d | 944 | bt_field_type_integer_borrow_mapped_clock_class( |
e011d2c1 PP |
945 | field_type); |
946 | ||
e011d2c1 PP |
947 | if (!clock_class) { |
948 | BT_LOGW("Invalid packet context field type: `timestamp_end` field must be mapped to a clock class: " | |
949 | "timestamp-end-ft-addr=%p", field_type); | |
950 | goto invalid; | |
951 | } | |
952 | } | |
e011d2c1 PP |
953 | } |
954 | ||
955 | goto end; | |
956 | ||
957 | invalid: | |
958 | is_valid = false; | |
959 | ||
960 | end: | |
e011d2c1 PP |
961 | return is_valid; |
962 | } | |
963 | ||
964 | static | |
cb6f1f7d PP |
965 | bool event_header_field_type_is_valid(struct bt_trace *trace, |
966 | struct bt_stream_class *stream_class, | |
967 | struct bt_field_type *event_header_type) | |
e011d2c1 PP |
968 | { |
969 | bool is_valid = true; | |
cb6f1f7d | 970 | struct bt_field_type *field_type = NULL; |
e011d2c1 PP |
971 | |
972 | /* | |
973 | * We do not validate that the `timestamp` field exists here | |
974 | * because CTF does not require this exact name to be mapped to | |
975 | * a clock class. | |
976 | */ | |
977 | ||
978 | if (!event_header_type) { | |
979 | /* | |
980 | * No event header field type: stream class must have | |
981 | * only one event class. | |
982 | */ | |
cb6f1f7d | 983 | if (bt_stream_class_get_event_class_count(stream_class) > 1) { |
e011d2c1 PP |
984 | BT_LOGW_STR("Invalid event header field type: " |
985 | "event header field type does not exist but there's more than one event class in the stream class."); | |
986 | goto invalid; | |
987 | } | |
988 | ||
989 | /* No event header field type: valid at this point */ | |
990 | goto end; | |
991 | } | |
992 | ||
993 | /* Event header field type, if it exists, must be a structure */ | |
3dca2276 | 994 | if (event_header_type->id != BT_FIELD_TYPE_ID_STRUCT) { |
e011d2c1 PP |
995 | BT_LOGW("Invalid event header field type: must be a structure field type if it exists: " |
996 | "ft-addr=%p, ft-id=%s", | |
997 | event_header_type, | |
3dca2276 | 998 | bt_common_field_type_id_string(event_header_type->id)); |
e011d2c1 PP |
999 | goto invalid; |
1000 | } | |
1001 | ||
1002 | /* | |
1003 | * If there's an `id` field, it must be an unsigned integer | |
1004 | * field type or an enumeration field type with an unsigned | |
1005 | * integer container field type. | |
1006 | */ | |
cb6f1f7d | 1007 | field_type = bt_field_type_structure_borrow_field_type_by_name( |
e011d2c1 PP |
1008 | event_header_type, "id"); |
1009 | if (field_type) { | |
cb6f1f7d | 1010 | struct bt_field_type *int_ft; |
e011d2c1 | 1011 | |
3dca2276 | 1012 | if (field_type->id == BT_FIELD_TYPE_ID_INTEGER) { |
094ff7c0 | 1013 | int_ft = field_type; |
3dca2276 | 1014 | } else if (field_type->id == BT_FIELD_TYPE_ID_ENUM) { |
cb6f1f7d | 1015 | int_ft = bt_field_type_enumeration_borrow_container_field_type( |
e011d2c1 PP |
1016 | field_type); |
1017 | } else { | |
1018 | BT_LOGW("Invalid event header field type: `id` field must be an integer or enumeration field type: " | |
1019 | "id-ft-addr=%p, id-ft-id=%s", | |
1020 | field_type, | |
3dca2276 | 1021 | bt_common_field_type_id_string(field_type->id)); |
e011d2c1 PP |
1022 | goto invalid; |
1023 | } | |
1024 | ||
f6ccaed9 | 1025 | BT_ASSERT(int_ft); |
cb6f1f7d | 1026 | if (bt_field_type_integer_is_signed(int_ft)) { |
e011d2c1 PP |
1027 | BT_LOGW("Invalid event header field type: `id` field must be an unsigned integer or enumeration field type: " |
1028 | "id-ft-addr=%p", int_ft); | |
1029 | goto invalid; | |
1030 | } | |
e011d2c1 PP |
1031 | } |
1032 | ||
1033 | goto end; | |
1034 | ||
1035 | invalid: | |
1036 | is_valid = false; | |
1037 | ||
1038 | end: | |
e011d2c1 PP |
1039 | return is_valid; |
1040 | } | |
1041 | ||
726106d3 | 1042 | static |
cb6f1f7d | 1043 | int check_packet_header_type_has_no_clock_class(struct bt_trace *trace) |
726106d3 PP |
1044 | { |
1045 | int ret = 0; | |
1046 | ||
3dca2276 | 1047 | if (trace->packet_header_field_type) { |
726106d3 PP |
1048 | struct bt_clock_class *clock_class = NULL; |
1049 | ||
cb6f1f7d | 1050 | ret = bt_field_type_validate_single_clock_class( |
3dca2276 | 1051 | trace->packet_header_field_type, |
726106d3 PP |
1052 | &clock_class); |
1053 | bt_put(clock_class); | |
1054 | if (ret || clock_class) { | |
1055 | BT_LOGW("Trace's packet header field type cannot " | |
1056 | "contain a field type which is mapped to " | |
1057 | "a clock class: " | |
1058 | "trace-addr=%p, trace-name=\"%s\", " | |
1059 | "clock-class-name=\"%s\"", | |
cb6f1f7d | 1060 | trace, bt_trace_get_name(trace), |
726106d3 PP |
1061 | clock_class ? |
1062 | bt_clock_class_get_name(clock_class) : | |
1063 | NULL); | |
1064 | ret = -1; | |
1065 | } | |
1066 | } | |
1067 | ||
1068 | return ret; | |
1069 | } | |
1070 | ||
cb6f1f7d PP |
1071 | int bt_trace_add_stream_class(struct bt_trace *trace, |
1072 | struct bt_stream_class *stream_class) | |
ef0c4a15 | 1073 | { |
544d0515 PP |
1074 | int ret; |
1075 | int64_t i; | |
ef0c4a15 | 1076 | int64_t stream_id; |
50842bdc PP |
1077 | struct bt_validation_output trace_sc_validation_output = { 0 }; |
1078 | struct bt_validation_output *ec_validation_outputs = NULL; | |
1079 | const enum bt_validation_flag trace_sc_validation_flags = | |
1080 | BT_VALIDATION_FLAG_TRACE | | |
1081 | BT_VALIDATION_FLAG_STREAM; | |
1082 | const enum bt_validation_flag ec_validation_flags = | |
1083 | BT_VALIDATION_FLAG_EVENT; | |
cb6f1f7d PP |
1084 | struct bt_field_type *packet_header_type = NULL; |
1085 | struct bt_field_type *packet_context_type = NULL; | |
1086 | struct bt_field_type *event_header_type = NULL; | |
1087 | struct bt_field_type *stream_event_ctx_type = NULL; | |
544d0515 | 1088 | int64_t event_class_count; |
cb6f1f7d PP |
1089 | struct bt_trace *current_parent_trace = NULL; |
1090 | struct bt_clock_class *expected_clock_class = NULL; | |
ef0c4a15 | 1091 | |
95c09b3a PP |
1092 | if (!trace) { |
1093 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1094 | ret = -1; | |
1095 | goto end; | |
1096 | } | |
1097 | ||
cb6f1f7d PP |
1098 | if (trace->is_static) { |
1099 | BT_LOGW_STR("Invalid parameter: trace is static."); | |
1100 | ret = -1; | |
1101 | goto end; | |
1102 | } | |
1103 | ||
95c09b3a PP |
1104 | if (!stream_class) { |
1105 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
1106 | ret = -1; | |
1107 | goto end; | |
1108 | } | |
1109 | ||
95c09b3a PP |
1110 | BT_LOGD("Adding stream class to trace: " |
1111 | "trace-addr=%p, trace-name=\"%s\", " | |
1112 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
1113 | "stream-class-id=%" PRId64, | |
cb6f1f7d PP |
1114 | trace, bt_trace_get_name(trace), |
1115 | stream_class, bt_stream_class_get_name(stream_class), | |
1116 | bt_stream_class_get_id(stream_class)); | |
95c09b3a | 1117 | |
cb6f1f7d | 1118 | current_parent_trace = bt_stream_class_borrow_trace(stream_class); |
2789e5d9 JG |
1119 | if (current_parent_trace) { |
1120 | /* Stream class is already associated to a trace, abort. */ | |
95c09b3a PP |
1121 | BT_LOGW("Invalid parameter: stream class is already part of a trace: " |
1122 | "stream-class-trace-addr=%p, " | |
1123 | "stream-class-trace-name=\"%s\"", | |
1124 | current_parent_trace, | |
cb6f1f7d | 1125 | bt_trace_get_name(current_parent_trace)); |
2789e5d9 JG |
1126 | ret = -1; |
1127 | goto end; | |
1128 | } | |
1129 | ||
09840de5 | 1130 | event_class_count = |
cb6f1f7d | 1131 | bt_stream_class_get_event_class_count(stream_class); |
f6ccaed9 | 1132 | BT_ASSERT(event_class_count >= 0); |
09840de5 | 1133 | |
2a3ced3c PP |
1134 | if (!stream_class->frozen) { |
1135 | /* | |
1136 | * Stream class is not frozen yet. Validate that the | |
1137 | * stream class contains at most a single clock class | |
1138 | * because the previous | |
cb6f1f7d | 1139 | * bt_stream_class_add_event_class() calls did |
3dca2276 PP |
1140 | * not make this validation since the stream class's |
1141 | * direct field types (packet context, event header, | |
1142 | * event context) could change afterwards. This stream | |
1143 | * class is about to be frozen and those field types | |
1144 | * won't be changed if this function succeeds. | |
2a3ced3c PP |
1145 | * |
1146 | * At this point we're also sure that the stream class's | |
1147 | * clock, if any, has the same class as the stream | |
1148 | * class's expected clock class, if any. This is why, if | |
cb6f1f7d | 1149 | * bt_stream_class_validate_single_clock_class() |
2a3ced3c PP |
1150 | * succeeds below, the call to |
1151 | * bt_stream_class_map_clock_class() at the end of this | |
1152 | * function is safe because it maps to the same, single | |
1153 | * clock class. | |
1154 | */ | |
cb6f1f7d | 1155 | ret = bt_stream_class_validate_single_clock_class( |
3dca2276 | 1156 | stream_class, &expected_clock_class); |
2a3ced3c PP |
1157 | if (ret) { |
1158 | BT_LOGW("Invalid parameter: stream class or one of its " | |
1159 | "event classes contains a field type which is " | |
1160 | "not recursively mapped to the expected " | |
1161 | "clock class: " | |
1162 | "stream-class-addr=%p, " | |
1163 | "stream-class-id=%" PRId64 ", " | |
1164 | "stream-class-name=\"%s\", " | |
1165 | "expected-clock-class-addr=%p, " | |
1166 | "expected-clock-class-name=\"%s\"", | |
cb6f1f7d PP |
1167 | stream_class, bt_stream_class_get_id(stream_class), |
1168 | bt_stream_class_get_name(stream_class), | |
2a3ced3c PP |
1169 | expected_clock_class, |
1170 | expected_clock_class ? | |
1171 | bt_clock_class_get_name(expected_clock_class) : | |
1172 | NULL); | |
1173 | goto end; | |
1174 | } | |
fe13b5c0 PP |
1175 | } |
1176 | ||
726106d3 PP |
1177 | ret = check_packet_header_type_has_no_clock_class(trace); |
1178 | if (ret) { | |
1179 | /* check_packet_header_type_has_no_clock_class() logs errors */ | |
1180 | goto end; | |
1181 | } | |
1182 | ||
09840de5 PP |
1183 | /* |
1184 | * We're about to freeze both the trace and the stream class. | |
1185 | * Also, each event class contained in this stream class are | |
1186 | * already frozen. | |
1187 | * | |
1188 | * This trace, this stream class, and all its event classes | |
1189 | * should be valid at this point. | |
1190 | * | |
1191 | * Validate trace and stream class first, then each event | |
1192 | * class of this stream class can be validated individually. | |
1193 | */ | |
1194 | packet_header_type = | |
cb6f1f7d | 1195 | bt_trace_borrow_packet_header_field_type(trace); |
09840de5 | 1196 | packet_context_type = |
cb6f1f7d | 1197 | bt_stream_class_borrow_packet_context_field_type(stream_class); |
09840de5 | 1198 | event_header_type = |
cb6f1f7d | 1199 | bt_stream_class_borrow_event_header_field_type(stream_class); |
09840de5 | 1200 | stream_event_ctx_type = |
cb6f1f7d | 1201 | bt_stream_class_borrow_event_context_field_type(stream_class); |
95c09b3a PP |
1202 | |
1203 | BT_LOGD("Validating trace and stream class field types."); | |
50842bdc | 1204 | ret = bt_validate_class_types(trace->environment, |
09840de5 PP |
1205 | packet_header_type, packet_context_type, event_header_type, |
1206 | stream_event_ctx_type, NULL, NULL, trace->valid, | |
1207 | stream_class->valid, 1, &trace_sc_validation_output, | |
cb6f1f7d | 1208 | trace_sc_validation_flags, bt_field_type_copy); |
09840de5 | 1209 | |
2bd7f864 | 1210 | if (ret) { |
09840de5 PP |
1211 | /* |
1212 | * This means something went wrong during the validation | |
1213 | * process, not that the objects are invalid. | |
1214 | */ | |
95c09b3a PP |
1215 | BT_LOGE("Failed to validate trace and stream class field types: " |
1216 | "ret=%d", ret); | |
2bd7f864 JG |
1217 | goto end; |
1218 | } | |
1219 | ||
09840de5 PP |
1220 | if ((trace_sc_validation_output.valid_flags & |
1221 | trace_sc_validation_flags) != | |
1222 | trace_sc_validation_flags) { | |
1223 | /* Invalid trace/stream class */ | |
95c09b3a PP |
1224 | BT_LOGW("Invalid trace or stream class field types: " |
1225 | "valid-flags=0x%x", | |
1226 | trace_sc_validation_output.valid_flags); | |
09840de5 PP |
1227 | ret = -1; |
1228 | goto end; | |
1229 | } | |
1230 | ||
1231 | if (event_class_count > 0) { | |
50842bdc | 1232 | ec_validation_outputs = g_new0(struct bt_validation_output, |
09840de5 PP |
1233 | event_class_count); |
1234 | if (!ec_validation_outputs) { | |
95c09b3a | 1235 | BT_LOGE_STR("Failed to allocate one validation output structure."); |
09840de5 PP |
1236 | ret = -1; |
1237 | goto end; | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | /* Validate each event class individually */ | |
6474e016 | 1242 | for (i = 0; i < event_class_count; i++) { |
cb6f1f7d PP |
1243 | struct bt_event_class *event_class = |
1244 | bt_stream_class_borrow_event_class_by_index( | |
9ac68eb1 | 1245 | stream_class, i); |
cb6f1f7d PP |
1246 | struct bt_field_type *event_context_type = NULL; |
1247 | struct bt_field_type *event_payload_type = NULL; | |
09840de5 PP |
1248 | |
1249 | event_context_type = | |
cb6f1f7d | 1250 | bt_event_class_borrow_context_field_type( |
094ff7c0 | 1251 | event_class); |
09840de5 | 1252 | event_payload_type = |
cb6f1f7d | 1253 | bt_event_class_borrow_payload_field_type( |
094ff7c0 | 1254 | event_class); |
09840de5 PP |
1255 | |
1256 | /* | |
1257 | * It is important to use the field types returned by | |
1258 | * the previous trace and stream class validation here | |
1259 | * because copies could have been made. | |
1260 | */ | |
95c09b3a PP |
1261 | BT_LOGD("Validating event class's field types: " |
1262 | "addr=%p, name=\"%s\", id=%" PRId64, | |
cb6f1f7d PP |
1263 | event_class, bt_event_class_get_name(event_class), |
1264 | bt_event_class_get_id(event_class)); | |
50842bdc | 1265 | ret = bt_validate_class_types(trace->environment, |
09840de5 PP |
1266 | trace_sc_validation_output.packet_header_type, |
1267 | trace_sc_validation_output.packet_context_type, | |
1268 | trace_sc_validation_output.event_header_type, | |
1269 | trace_sc_validation_output.stream_event_ctx_type, | |
1270 | event_context_type, event_payload_type, | |
1271 | 1, 1, event_class->valid, &ec_validation_outputs[i], | |
cb6f1f7d | 1272 | ec_validation_flags, bt_field_type_copy); |
09840de5 PP |
1273 | |
1274 | if (ret) { | |
95c09b3a PP |
1275 | BT_LOGE("Failed to validate event class field types: " |
1276 | "ret=%d", ret); | |
09840de5 PP |
1277 | goto end; |
1278 | } | |
1279 | ||
1280 | if ((ec_validation_outputs[i].valid_flags & | |
1281 | ec_validation_flags) != ec_validation_flags) { | |
1282 | /* Invalid event class */ | |
95c09b3a PP |
1283 | BT_LOGW("Invalid event class field types: " |
1284 | "valid-flags=0x%x", | |
1285 | ec_validation_outputs[i].valid_flags); | |
09840de5 PP |
1286 | ret = -1; |
1287 | goto end; | |
1288 | } | |
1289 | } | |
1290 | ||
cb6f1f7d | 1291 | stream_id = bt_stream_class_get_id(stream_class); |
ef0c4a15 JG |
1292 | if (stream_id < 0) { |
1293 | stream_id = trace->next_stream_id++; | |
9ac68eb1 | 1294 | if (stream_id < 0) { |
95c09b3a | 1295 | BT_LOGE_STR("No more stream class IDs available."); |
9ac68eb1 PP |
1296 | ret = -1; |
1297 | goto end; | |
1298 | } | |
ef0c4a15 JG |
1299 | |
1300 | /* Try to assign a new stream id */ | |
1301 | for (i = 0; i < trace->stream_classes->len; i++) { | |
cb6f1f7d | 1302 | if (stream_id == bt_stream_class_get_id( |
ef0c4a15 JG |
1303 | trace->stream_classes->pdata[i])) { |
1304 | /* Duplicate stream id found */ | |
95c09b3a PP |
1305 | BT_LOGW("Duplicate stream class ID: " |
1306 | "id=%" PRId64, (int64_t) stream_id); | |
ef0c4a15 JG |
1307 | ret = -1; |
1308 | goto end; | |
1309 | } | |
1310 | } | |
1311 | ||
cb6f1f7d | 1312 | if (bt_stream_class_set_id_no_check(stream_class, |
95c09b3a | 1313 | stream_id)) { |
ef0c4a15 | 1314 | /* TODO Should retry with a different stream id */ |
95c09b3a PP |
1315 | BT_LOGE("Cannot set stream class's ID: " |
1316 | "id=%" PRId64, (int64_t) stream_id); | |
ef0c4a15 JG |
1317 | ret = -1; |
1318 | goto end; | |
1319 | } | |
1320 | } | |
1321 | ||
e011d2c1 PP |
1322 | /* |
1323 | * At this point all the field types in the validation output | |
1324 | * are valid. Validate the semantics of some scopes according to | |
1325 | * the CTF specification. | |
1326 | */ | |
1327 | if (!packet_header_field_type_is_valid(trace, | |
1328 | trace_sc_validation_output.packet_header_type)) { | |
95c09b3a | 1329 | BT_LOGW_STR("Invalid trace's packet header field type."); |
e011d2c1 PP |
1330 | ret = -1; |
1331 | goto end; | |
1332 | } | |
1333 | ||
1334 | if (!packet_context_field_type_is_valid(trace, | |
1335 | stream_class, | |
cb6f1f7d | 1336 | trace_sc_validation_output.packet_context_type, true)) { |
95c09b3a | 1337 | BT_LOGW_STR("Invalid stream class's packet context field type."); |
e011d2c1 PP |
1338 | ret = -1; |
1339 | goto end; | |
1340 | } | |
1341 | ||
1342 | if (!event_header_field_type_is_valid(trace, | |
1343 | stream_class, | |
1344 | trace_sc_validation_output.event_header_type)) { | |
95c09b3a | 1345 | BT_LOGW_STR("Invalid steam class's event header field type."); |
e011d2c1 PP |
1346 | ret = -1; |
1347 | goto end; | |
1348 | } | |
1349 | ||
3fea54f6 | 1350 | bt_object_set_parent(&stream_class->base, &trace->base); |
ef0c4a15 JG |
1351 | g_ptr_array_add(trace->stream_classes, stream_class); |
1352 | ||
1353 | /* | |
09840de5 PP |
1354 | * At this point we know that the function will be successful. |
1355 | * Therefore we can replace the trace and stream class field | |
1356 | * types with what's in their validation output structure and | |
1357 | * mark them as valid. We can also replace the field types of | |
1358 | * all the event classes of the stream class and mark them as | |
1359 | * valid. | |
1360 | */ | |
50842bdc | 1361 | bt_validation_replace_types(trace, stream_class, NULL, |
09840de5 PP |
1362 | &trace_sc_validation_output, trace_sc_validation_flags); |
1363 | trace->valid = 1; | |
1364 | stream_class->valid = 1; | |
1365 | ||
1366 | /* | |
50842bdc | 1367 | * Put what was not moved in bt_validation_replace_types(). |
09840de5 | 1368 | */ |
50842bdc | 1369 | bt_validation_output_put_types(&trace_sc_validation_output); |
09840de5 | 1370 | |
6474e016 | 1371 | for (i = 0; i < event_class_count; i++) { |
cb6f1f7d PP |
1372 | struct bt_event_class *event_class = |
1373 | bt_stream_class_borrow_event_class_by_index( | |
9ac68eb1 | 1374 | stream_class, i); |
09840de5 | 1375 | |
50842bdc | 1376 | bt_validation_replace_types(NULL, NULL, event_class, |
09840de5 PP |
1377 | &ec_validation_outputs[i], ec_validation_flags); |
1378 | event_class->valid = 1; | |
09840de5 PP |
1379 | |
1380 | /* | |
1381 | * Put what was not moved in | |
50842bdc | 1382 | * bt_validation_replace_types(). |
09840de5 | 1383 | */ |
50842bdc | 1384 | bt_validation_output_put_types(&ec_validation_outputs[i]); |
09840de5 PP |
1385 | } |
1386 | ||
09840de5 PP |
1387 | /* |
1388 | * Freeze the trace and the stream class. | |
1389 | */ | |
cb6f1f7d PP |
1390 | bt_stream_class_freeze(stream_class); |
1391 | bt_trace_freeze(trace); | |
09840de5 | 1392 | |
2a3ced3c PP |
1393 | /* |
1394 | * It is safe to set the stream class's unique clock class | |
1395 | * now because the stream class is frozen. | |
1396 | */ | |
1397 | if (expected_clock_class) { | |
1398 | BT_MOVE(stream_class->clock_class, expected_clock_class); | |
1399 | } | |
1400 | ||
cb6f1f7d PP |
1401 | /* Notify listeners of the trace's schema modification. */ |
1402 | bt_stream_class_visit(stream_class, | |
1403 | bt_trace_object_modification, trace); | |
95c09b3a PP |
1404 | BT_LOGD("Added stream class to trace: " |
1405 | "trace-addr=%p, trace-name=\"%s\", " | |
1406 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
1407 | "stream-class-id=%" PRId64, | |
cb6f1f7d PP |
1408 | trace, bt_trace_get_name(trace), |
1409 | stream_class, bt_stream_class_get_name(stream_class), | |
1410 | bt_stream_class_get_id(stream_class)); | |
95c09b3a | 1411 | |
ef0c4a15 | 1412 | end: |
d3814b54 | 1413 | if (ret) { |
3fea54f6 | 1414 | bt_object_set_parent(&stream_class->base, NULL); |
09840de5 PP |
1415 | |
1416 | if (ec_validation_outputs) { | |
6474e016 | 1417 | for (i = 0; i < event_class_count; i++) { |
50842bdc | 1418 | bt_validation_output_put_types( |
09840de5 PP |
1419 | &ec_validation_outputs[i]); |
1420 | } | |
1421 | } | |
d3814b54 | 1422 | } |
09840de5 PP |
1423 | |
1424 | g_free(ec_validation_outputs); | |
50842bdc | 1425 | bt_validation_output_put_types(&trace_sc_validation_output); |
2a3ced3c | 1426 | bt_put(expected_clock_class); |
ef0c4a15 JG |
1427 | return ret; |
1428 | } | |
1429 | ||
50842bdc | 1430 | int64_t bt_trace_get_stream_count(struct bt_trace *trace) |
c1e730fe | 1431 | { |
cb6f1f7d PP |
1432 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
1433 | return (int64_t) trace->streams->len; | |
c1e730fe PP |
1434 | } |
1435 | ||
094ff7c0 PP |
1436 | struct bt_stream *bt_trace_borrow_stream_by_index( |
1437 | struct bt_trace *trace, uint64_t index) | |
c1e730fe | 1438 | { |
cb6f1f7d PP |
1439 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
1440 | BT_ASSERT_PRE(index < trace->streams->len, | |
1441 | "Index is out of bounds: index=%" PRIu64 ", " | |
1442 | "count=%u", | |
1443 | index, trace->streams->len); | |
1444 | return g_ptr_array_index(trace->streams, index); | |
c1e730fe PP |
1445 | } |
1446 | ||
50842bdc | 1447 | int64_t bt_trace_get_stream_class_count(struct bt_trace *trace) |
ef0c4a15 | 1448 | { |
cb6f1f7d PP |
1449 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
1450 | return (int64_t) trace->stream_classes->len; | |
ef0c4a15 JG |
1451 | } |
1452 | ||
094ff7c0 | 1453 | struct bt_stream_class *bt_trace_borrow_stream_class_by_index( |
50842bdc | 1454 | struct bt_trace *trace, uint64_t index) |
ef0c4a15 | 1455 | { |
cb6f1f7d PP |
1456 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
1457 | BT_ASSERT_PRE(index < trace->stream_classes->len, | |
1458 | "Index is out of bounds: index=%" PRIu64 ", " | |
1459 | "count=%u", | |
1460 | index, trace->stream_classes->len); | |
1461 | return g_ptr_array_index(trace->stream_classes, index); | |
ef0c4a15 JG |
1462 | } |
1463 | ||
094ff7c0 | 1464 | struct bt_stream_class *bt_trace_borrow_stream_class_by_id( |
cb6f1f7d | 1465 | struct bt_trace *trace, uint64_t id_param) |
4841ccc1 | 1466 | { |
cb6f1f7d PP |
1467 | int i; |
1468 | struct bt_stream_class *stream_class = NULL; | |
1469 | int64_t id = (int64_t) id_param; | |
1470 | ||
1471 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
1472 | BT_ASSERT_PRE(id >= 0, | |
1473 | "Invalid stream class ID: %" PRIu64, id_param); | |
1474 | ||
1475 | for (i = 0; i < trace->stream_classes->len; i++) { | |
1476 | struct bt_stream_class *stream_class_candidate; | |
1477 | ||
1478 | stream_class_candidate = | |
1479 | g_ptr_array_index(trace->stream_classes, i); | |
1480 | ||
1481 | if (bt_stream_class_get_id(stream_class_candidate) == | |
1482 | (int64_t) id) { | |
1483 | stream_class = stream_class_candidate; | |
1484 | goto end; | |
1485 | } | |
1486 | } | |
1487 | ||
1488 | end: | |
1489 | return stream_class; | |
4841ccc1 PP |
1490 | } |
1491 | ||
094ff7c0 | 1492 | struct bt_clock_class *bt_trace_borrow_clock_class_by_name( |
50842bdc | 1493 | struct bt_trace *trace, const char *name) |
7e4347a3 | 1494 | { |
cb6f1f7d PP |
1495 | size_t i; |
1496 | struct bt_clock_class *clock_class = NULL; | |
1497 | ||
1498 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
1499 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
1500 | ||
1501 | for (i = 0; i < trace->clock_classes->len; i++) { | |
1502 | struct bt_clock_class *cur_clk = | |
1503 | g_ptr_array_index(trace->clock_classes, i); | |
1504 | const char *cur_clk_name = bt_clock_class_get_name(cur_clk); | |
1505 | ||
1506 | if (!cur_clk_name) { | |
1507 | goto end; | |
1508 | } | |
1509 | ||
1510 | if (!strcmp(cur_clk_name, name)) { | |
1511 | clock_class = cur_clk; | |
1512 | goto end; | |
1513 | } | |
1514 | } | |
1515 | ||
1516 | end: | |
1517 | return clock_class; | |
7e4347a3 PP |
1518 | } |
1519 | ||
c9d90a34 | 1520 | BT_HIDDEN |
cb6f1f7d | 1521 | bt_bool bt_trace_has_clock_class(struct bt_trace *trace, |
50842bdc | 1522 | struct bt_clock_class *clock_class) |
c9d90a34 PP |
1523 | { |
1524 | struct search_query query = { .value = clock_class, .found = 0 }; | |
1525 | ||
f6ccaed9 PP |
1526 | BT_ASSERT(trace); |
1527 | BT_ASSERT(clock_class); | |
c9d90a34 | 1528 | |
3dca2276 | 1529 | g_ptr_array_foreach(trace->clock_classes, value_exists, &query); |
c9d90a34 PP |
1530 | return query.found; |
1531 | } | |
1532 | ||
50842bdc PP |
1533 | enum bt_byte_order bt_trace_get_native_byte_order( |
1534 | struct bt_trace *trace) | |
4ed90fb3 | 1535 | { |
cb6f1f7d PP |
1536 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
1537 | return trace->native_byte_order; | |
4ed90fb3 JG |
1538 | } |
1539 | ||
cb6f1f7d PP |
1540 | int bt_trace_set_native_byte_order(struct bt_trace *trace, |
1541 | enum bt_byte_order byte_order) | |
bc37ae52 JG |
1542 | { |
1543 | int ret = 0; | |
bc37ae52 | 1544 | |
95c09b3a PP |
1545 | if (!trace) { |
1546 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1547 | ret = -1; | |
1548 | goto end; | |
1549 | } | |
1550 | ||
1551 | if (trace->frozen) { | |
1552 | BT_LOGW("Invalid parameter: trace is frozen: " | |
1553 | "addr=%p, name=\"%s\"", | |
cb6f1f7d | 1554 | trace, bt_trace_get_name(trace)); |
d41cff38 PP |
1555 | ret = -1; |
1556 | goto end; | |
1557 | } | |
1558 | ||
50842bdc PP |
1559 | if (byte_order != BT_BYTE_ORDER_LITTLE_ENDIAN && |
1560 | byte_order != BT_BYTE_ORDER_BIG_ENDIAN && | |
1561 | byte_order != BT_BYTE_ORDER_NETWORK) { | |
95c09b3a PP |
1562 | BT_LOGW("Invalid parameter: invalid byte order: " |
1563 | "addr=%p, name=\"%s\", bo=%s", | |
cb6f1f7d | 1564 | trace, bt_trace_get_name(trace), |
3dca2276 | 1565 | bt_common_byte_order_string(byte_order)); |
bc37ae52 JG |
1566 | ret = -1; |
1567 | goto end; | |
1568 | } | |
1569 | ||
dc3fffef | 1570 | trace->native_byte_order = byte_order; |
95c09b3a PP |
1571 | BT_LOGV("Set trace's native byte order: " |
1572 | "addr=%p, name=\"%s\", bo=%s", | |
cb6f1f7d | 1573 | trace, bt_trace_get_name(trace), |
3dca2276 | 1574 | bt_common_byte_order_string(byte_order)); |
dc3fffef | 1575 | |
bc37ae52 JG |
1576 | end: |
1577 | return ret; | |
1578 | } | |
1579 | ||
094ff7c0 | 1580 | struct bt_field_type *bt_trace_borrow_packet_header_field_type( |
50842bdc | 1581 | struct bt_trace *trace) |
d246b111 | 1582 | { |
cb6f1f7d PP |
1583 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
1584 | return trace->packet_header_field_type; | |
d246b111 JG |
1585 | } |
1586 | ||
cb6f1f7d PP |
1587 | int bt_trace_set_packet_header_field_type(struct bt_trace *trace, |
1588 | struct bt_field_type *packet_header_type) | |
d246b111 JG |
1589 | { |
1590 | int ret = 0; | |
1591 | ||
95c09b3a PP |
1592 | if (!trace) { |
1593 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1594 | ret = -1; | |
1595 | goto end; | |
1596 | } | |
1597 | ||
1598 | if (trace->frozen) { | |
1599 | BT_LOGW("Invalid parameter: trace is frozen: " | |
1600 | "addr=%p, name=\"%s\"", | |
cb6f1f7d | 1601 | trace, bt_trace_get_name(trace)); |
d246b111 JG |
1602 | ret = -1; |
1603 | goto end; | |
1604 | } | |
1605 | ||
835b2d10 JG |
1606 | /* packet_header_type must be a structure. */ |
1607 | if (packet_header_type && | |
3dca2276 | 1608 | packet_header_type->id != BT_FIELD_TYPE_ID_STRUCT) { |
95c09b3a PP |
1609 | BT_LOGW("Invalid parameter: packet header field type must be a structure field type if it exists: " |
1610 | "addr=%p, name=\"%s\", ft-addr=%p, ft-id=%s", | |
cb6f1f7d | 1611 | trace, bt_trace_get_name(trace), |
95c09b3a | 1612 | packet_header_type, |
3dca2276 | 1613 | bt_common_field_type_id_string(packet_header_type->id)); |
d246b111 JG |
1614 | ret = -1; |
1615 | goto end; | |
1616 | } | |
1617 | ||
3dca2276 PP |
1618 | bt_put(trace->packet_header_field_type); |
1619 | trace->packet_header_field_type = bt_get(packet_header_type); | |
95c09b3a PP |
1620 | BT_LOGV("Set trace's packet header field type: " |
1621 | "addr=%p, name=\"%s\", packet-context-ft-addr=%p", | |
cb6f1f7d | 1622 | trace, bt_trace_get_name(trace), packet_header_type); |
d246b111 JG |
1623 | end: |
1624 | return ret; | |
1625 | } | |
1626 | ||
8bf65fbd | 1627 | static |
544d0515 | 1628 | int64_t get_stream_class_count(void *element) |
8bf65fbd | 1629 | { |
50842bdc PP |
1630 | return bt_trace_get_stream_class_count( |
1631 | (struct bt_trace *) element); | |
8bf65fbd JG |
1632 | } |
1633 | ||
1634 | static | |
1635 | void *get_stream_class(void *element, int i) | |
1636 | { | |
50842bdc PP |
1637 | return bt_trace_get_stream_class_by_index( |
1638 | (struct bt_trace *) element, i); | |
8bf65fbd JG |
1639 | } |
1640 | ||
1641 | static | |
50842bdc | 1642 | int visit_stream_class(void *object, bt_visitor visitor,void *data) |
8bf65fbd | 1643 | { |
50842bdc | 1644 | return bt_stream_class_visit(object, visitor, data); |
8bf65fbd JG |
1645 | } |
1646 | ||
50842bdc PP |
1647 | int bt_trace_visit(struct bt_trace *trace, |
1648 | bt_visitor visitor, void *data) | |
8bf65fbd JG |
1649 | { |
1650 | int ret; | |
50842bdc PP |
1651 | struct bt_visitor_object obj = { |
1652 | .object = trace, | |
1653 | .type = BT_VISITOR_OBJECT_TYPE_TRACE | |
1654 | }; | |
8bf65fbd | 1655 | |
95c09b3a PP |
1656 | if (!trace) { |
1657 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1658 | ret = -1; | |
1659 | goto end; | |
1660 | } | |
1661 | ||
1662 | if (!visitor) { | |
1663 | BT_LOGW_STR("Invalid parameter: visitor is NULL."); | |
8bf65fbd JG |
1664 | ret = -1; |
1665 | goto end; | |
1666 | } | |
1667 | ||
95c09b3a | 1668 | BT_LOGV("Visiting trace: addr=%p, name=\"%s\"", |
50842bdc | 1669 | trace, bt_trace_get_name(trace)); |
d9a13d86 | 1670 | ret = visitor_helper(&obj, get_stream_class_count, |
8bf65fbd JG |
1671 | get_stream_class, visit_stream_class, visitor, data); |
1672 | end: | |
1673 | return ret; | |
1674 | } | |
1675 | ||
1676 | static | |
50842bdc | 1677 | int invoke_listener(struct bt_visitor_object *object, void *data) |
8bf65fbd | 1678 | { |
9b888ff3 | 1679 | struct listener_wrapper *listener_wrapper = data; |
8bf65fbd | 1680 | |
d9a13d86 | 1681 | listener_wrapper->listener(object, listener_wrapper->data); |
9b888ff3 | 1682 | return 0; |
8bf65fbd JG |
1683 | } |
1684 | ||
95c09b3a | 1685 | // TODO: add logging to this function once we use it internally. |
50842bdc PP |
1686 | int bt_trace_add_listener(struct bt_trace *trace, |
1687 | bt_listener_cb listener, void *listener_data) | |
2204c381 JG |
1688 | { |
1689 | int ret = 0; | |
50ad4244 JG |
1690 | struct listener_wrapper *listener_wrapper = |
1691 | g_new0(struct listener_wrapper, 1); | |
2204c381 | 1692 | |
50ad4244 | 1693 | if (!trace || !listener || !listener_wrapper) { |
2204c381 JG |
1694 | ret = -1; |
1695 | goto error; | |
1696 | } | |
1697 | ||
50ad4244 JG |
1698 | listener_wrapper->listener = listener; |
1699 | listener_wrapper->data = listener_data; | |
8bf65fbd | 1700 | |
50ad4244 | 1701 | /* Visit the current schema. */ |
50842bdc | 1702 | ret = bt_trace_visit(trace, invoke_listener, listener_wrapper); |
8bf65fbd JG |
1703 | if (ret) { |
1704 | goto error; | |
1705 | } | |
1706 | ||
50ad4244 JG |
1707 | /* |
1708 | * Add listener to the array of callbacks which will be invoked on | |
1709 | * schema changes. | |
1710 | */ | |
1711 | g_ptr_array_add(trace->listeners, listener_wrapper); | |
2204c381 JG |
1712 | return ret; |
1713 | error: | |
50ad4244 | 1714 | g_free(listener_wrapper); |
2204c381 JG |
1715 | return ret; |
1716 | } | |
1717 | ||
bc37ae52 | 1718 | BT_HIDDEN |
50842bdc | 1719 | int bt_trace_object_modification(struct bt_visitor_object *object, |
9b888ff3 JG |
1720 | void *trace_ptr) |
1721 | { | |
1722 | size_t i; | |
50842bdc | 1723 | struct bt_trace *trace = trace_ptr; |
9b888ff3 | 1724 | |
f6ccaed9 PP |
1725 | BT_ASSERT(trace); |
1726 | BT_ASSERT(object); | |
9b888ff3 JG |
1727 | |
1728 | if (trace->listeners->len == 0) { | |
1729 | goto end; | |
1730 | } | |
1731 | ||
1732 | for (i = 0; i < trace->listeners->len; i++) { | |
1733 | struct listener_wrapper *listener = | |
1734 | g_ptr_array_index(trace->listeners, i); | |
1735 | ||
d9a13d86 | 1736 | listener->listener(object, listener->data); |
9b888ff3 JG |
1737 | } |
1738 | end: | |
1739 | return 0; | |
1740 | } | |
1741 | ||
50842bdc | 1742 | bt_bool bt_trace_is_static(struct bt_trace *trace) |
5acf2ae6 | 1743 | { |
d975f66c PP |
1744 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
1745 | return trace->is_static; | |
5acf2ae6 PP |
1746 | } |
1747 | ||
50842bdc | 1748 | int bt_trace_set_is_static(struct bt_trace *trace) |
5acf2ae6 PP |
1749 | { |
1750 | int ret = 0; | |
3602afb0 | 1751 | size_t i; |
5acf2ae6 PP |
1752 | |
1753 | if (!trace) { | |
95c09b3a | 1754 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
5acf2ae6 PP |
1755 | ret = -1; |
1756 | goto end; | |
1757 | } | |
1758 | ||
cb6f1f7d | 1759 | ret = check_packet_header_type_has_no_clock_class(trace); |
726106d3 PP |
1760 | if (ret) { |
1761 | /* check_packet_header_type_has_no_clock_class() logs errors */ | |
1762 | goto end; | |
1763 | } | |
1764 | ||
c55a9f58 | 1765 | trace->is_static = BT_TRUE; |
cb6f1f7d | 1766 | bt_trace_freeze(trace); |
95c09b3a | 1767 | BT_LOGV("Set trace static: addr=%p, name=\"%s\"", |
50842bdc | 1768 | trace, bt_trace_get_name(trace)); |
5acf2ae6 | 1769 | |
3602afb0 PP |
1770 | /* Call all the "trace is static" listeners */ |
1771 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 1772 | struct bt_trace_is_static_listener_elem elem = |
3602afb0 | 1773 | g_array_index(trace->is_static_listeners, |
50842bdc | 1774 | struct bt_trace_is_static_listener_elem, i); |
3602afb0 PP |
1775 | |
1776 | if (elem.func) { | |
1777 | elem.func(trace, elem.data); | |
1778 | } | |
1779 | } | |
1780 | ||
1781 | end: | |
1782 | return ret; | |
1783 | } | |
1784 | ||
50842bdc PP |
1785 | int bt_trace_add_is_static_listener(struct bt_trace *trace, |
1786 | bt_trace_is_static_listener listener, | |
1787 | bt_trace_listener_removed listener_removed, void *data) | |
3602afb0 PP |
1788 | { |
1789 | int i; | |
50842bdc | 1790 | struct bt_trace_is_static_listener_elem new_elem = { |
3602afb0 | 1791 | .func = listener, |
8480c8cc | 1792 | .removed = listener_removed, |
3602afb0 PP |
1793 | .data = data, |
1794 | }; | |
1795 | ||
1796 | if (!trace) { | |
1797 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1798 | i = -1; | |
1799 | goto end; | |
1800 | } | |
1801 | ||
1802 | if (!listener) { | |
1803 | BT_LOGW_STR("Invalid parameter: listener is NULL."); | |
1804 | i = -1; | |
1805 | goto end; | |
1806 | } | |
1807 | ||
1808 | if (trace->is_static) { | |
1809 | BT_LOGW("Invalid parameter: trace is already static: " | |
1810 | "addr=%p, name=\"%s\"", | |
50842bdc | 1811 | trace, bt_trace_get_name(trace)); |
3602afb0 PP |
1812 | i = -1; |
1813 | goto end; | |
1814 | } | |
1815 | ||
8480c8cc PP |
1816 | if (trace->in_remove_listener) { |
1817 | BT_LOGW("Cannot call this function during the execution of a remove listener: " | |
1818 | "addr=%p, name=\"%s\"", | |
50842bdc | 1819 | trace, bt_trace_get_name(trace)); |
8480c8cc PP |
1820 | i = -1; |
1821 | goto end; | |
1822 | } | |
1823 | ||
3602afb0 PP |
1824 | /* Find the next available spot */ |
1825 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 1826 | struct bt_trace_is_static_listener_elem elem = |
3602afb0 | 1827 | g_array_index(trace->is_static_listeners, |
50842bdc | 1828 | struct bt_trace_is_static_listener_elem, i); |
3602afb0 PP |
1829 | |
1830 | if (!elem.func) { | |
1831 | break; | |
1832 | } | |
1833 | } | |
1834 | ||
1835 | if (i == trace->is_static_listeners->len) { | |
1836 | g_array_append_val(trace->is_static_listeners, new_elem); | |
1837 | } else { | |
1838 | g_array_insert_val(trace->is_static_listeners, i, new_elem); | |
1839 | } | |
1840 | ||
1841 | BT_LOGV("Added \"trace is static\" listener: " | |
1842 | "trace-addr=%p, trace-name=\"%s\", func-addr=%p, " | |
1843 | "data-addr=%p, listener-id=%d", | |
50842bdc | 1844 | trace, bt_trace_get_name(trace), listener, data, i); |
3602afb0 PP |
1845 | |
1846 | end: | |
1847 | return i; | |
1848 | } | |
1849 | ||
50842bdc PP |
1850 | int bt_trace_remove_is_static_listener( |
1851 | struct bt_trace *trace, int listener_id) | |
3602afb0 PP |
1852 | { |
1853 | int ret = 0; | |
50842bdc | 1854 | struct bt_trace_is_static_listener_elem *elem; |
3602afb0 PP |
1855 | |
1856 | if (!trace) { | |
1857 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1858 | ret = -1; | |
1859 | goto end; | |
1860 | } | |
1861 | ||
8480c8cc PP |
1862 | if (trace->in_remove_listener) { |
1863 | BT_LOGW("Cannot call this function during the execution of a remove listener: " | |
1864 | "addr=%p, name=\"%s\", listener-id=%d", | |
50842bdc | 1865 | trace, bt_trace_get_name(trace), |
8480c8cc PP |
1866 | listener_id); |
1867 | ret = -1; | |
1868 | goto end; | |
1869 | } | |
1870 | ||
3602afb0 PP |
1871 | if (listener_id < 0) { |
1872 | BT_LOGW("Invalid listener ID: must be zero or positive: " | |
1873 | "listener-id=%d", listener_id); | |
1874 | ret = -1; | |
1875 | goto end; | |
1876 | } | |
1877 | ||
1878 | if (listener_id >= trace->is_static_listeners->len) { | |
1879 | BT_LOGW("Invalid parameter: no listener with this listener ID: " | |
1880 | "addr=%p, name=\"%s\", listener-id=%d", | |
50842bdc | 1881 | trace, bt_trace_get_name(trace), |
3602afb0 PP |
1882 | listener_id); |
1883 | ret = -1; | |
1884 | goto end; | |
1885 | } | |
1886 | ||
1887 | elem = &g_array_index(trace->is_static_listeners, | |
50842bdc | 1888 | struct bt_trace_is_static_listener_elem, |
3602afb0 PP |
1889 | listener_id); |
1890 | if (!elem->func) { | |
1891 | BT_LOGW("Invalid parameter: no listener with this listener ID: " | |
1892 | "addr=%p, name=\"%s\", listener-id=%d", | |
50842bdc | 1893 | trace, bt_trace_get_name(trace), |
3602afb0 PP |
1894 | listener_id); |
1895 | ret = -1; | |
1896 | goto end; | |
1897 | } | |
1898 | ||
8480c8cc PP |
1899 | if (elem->removed) { |
1900 | /* Call remove listener */ | |
1901 | BT_LOGV("Calling remove listener: " | |
1902 | "trace-addr=%p, trace-name=\"%s\", " | |
50842bdc | 1903 | "listener-id=%d", trace, bt_trace_get_name(trace), |
8480c8cc PP |
1904 | listener_id); |
1905 | trace->in_remove_listener = BT_TRUE; | |
1906 | elem->removed(trace, elem->data); | |
1907 | trace->in_remove_listener = BT_FALSE; | |
1908 | } | |
1909 | ||
3602afb0 | 1910 | elem->func = NULL; |
8480c8cc | 1911 | elem->removed = NULL; |
3602afb0 PP |
1912 | elem->data = NULL; |
1913 | BT_LOGV("Removed \"trace is static\" listener: " | |
1914 | "trace-addr=%p, trace-name=\"%s\", " | |
50842bdc | 1915 | "listener-id=%d", trace, bt_trace_get_name(trace), |
3602afb0 PP |
1916 | listener_id); |
1917 | ||
5acf2ae6 PP |
1918 | end: |
1919 | return ret; | |
1920 | } | |
312c056a PP |
1921 | |
1922 | struct bt_packet_header_field *bt_trace_create_packet_header_field( | |
1923 | struct bt_trace *trace) | |
1924 | { | |
1925 | struct bt_field_wrapper *field_wrapper; | |
1926 | ||
1927 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
cb6f1f7d | 1928 | BT_ASSERT_PRE(trace->packet_header_field_type, |
312c056a PP |
1929 | "Trace has no packet header field type: %!+t", |
1930 | trace); | |
1931 | field_wrapper = bt_field_wrapper_create( | |
1932 | &trace->packet_header_field_pool, | |
cb6f1f7d | 1933 | (void *) trace->packet_header_field_type); |
312c056a PP |
1934 | if (!field_wrapper) { |
1935 | BT_LIB_LOGE("Cannot allocate one packet header field from trace: " | |
1936 | "%![trace-]+t", trace); | |
1937 | goto error; | |
1938 | } | |
1939 | ||
1940 | BT_ASSERT(field_wrapper->field); | |
cb6f1f7d | 1941 | bt_trace_freeze(trace); |
312c056a PP |
1942 | goto end; |
1943 | ||
1944 | error: | |
1945 | if (field_wrapper) { | |
1946 | bt_field_wrapper_destroy(field_wrapper); | |
1947 | field_wrapper = NULL; | |
1948 | } | |
1949 | ||
1950 | end: | |
1951 | return (void *) field_wrapper; | |
1952 | } |