Commit | Line | Data |
---|---|---|
273b65be JG |
1 | /* |
2 | * stream.c | |
3 | * | |
d2dc44b6 | 4 | * Babeltrace CTF IR - Stream |
273b65be | 5 | * |
de9dd397 | 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
273b65be JG |
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 | ||
3f043b05 | 29 | #include <babeltrace/ctf-ir/clock.h> |
adc315b8 | 30 | #include <babeltrace/ctf-ir/clock-internal.h> |
273b65be | 31 | #include <babeltrace/ctf-writer/event.h> |
adc315b8 JG |
32 | #include <babeltrace/ctf-ir/event-internal.h> |
33 | #include <babeltrace/ctf-ir/event-types-internal.h> | |
34 | #include <babeltrace/ctf-ir/event-fields-internal.h> | |
3f043b05 JG |
35 | #include <babeltrace/ctf-ir/stream.h> |
36 | #include <babeltrace/ctf-ir/stream-internal.h> | |
adc315b8 | 37 | #include <babeltrace/ctf-ir/stream-class-internal.h> |
273b65be JG |
38 | #include <babeltrace/ctf-writer/functor-internal.h> |
39 | #include <babeltrace/compiler.h> | |
40 | #include <babeltrace/align.h> | |
41 | ||
42 | static | |
43 | void bt_ctf_stream_destroy(struct bt_ctf_ref *ref); | |
44 | static | |
273b65be JG |
45 | int set_structure_field_integer(struct bt_ctf_field *, char *, uint64_t); |
46 | ||
273b65be JG |
47 | BT_HIDDEN |
48 | struct bt_ctf_stream *bt_ctf_stream_create( | |
49 | struct bt_ctf_stream_class *stream_class) | |
50 | { | |
12c8a1a3 | 51 | int ret; |
273b65be JG |
52 | struct bt_ctf_stream *stream = NULL; |
53 | ||
54 | if (!stream_class) { | |
55 | goto end; | |
56 | } | |
57 | ||
58 | stream = g_new0(struct bt_ctf_stream, 1); | |
59 | if (!stream) { | |
60 | goto end; | |
61 | } | |
62 | ||
63 | bt_ctf_ref_init(&stream->ref_count); | |
12c8a1a3 JG |
64 | stream->packet_context = bt_ctf_field_create( |
65 | stream_class->packet_context_type); | |
66 | if (!stream->packet_context) { | |
67 | goto error_destroy; | |
68 | } | |
69 | ||
af181248 JG |
70 | /* |
71 | * A stream class may not have a stream event context defined | |
72 | * in which case this stream will never have a stream_event_context | |
73 | * member since, after a stream's creation, the parent stream class | |
74 | * is "frozen" (immutable). | |
75 | */ | |
76 | if (stream_class->event_context_type) { | |
77 | stream->event_context = bt_ctf_field_create( | |
78 | stream_class->event_context_type); | |
79 | if (!stream->packet_context) { | |
80 | goto error_destroy; | |
81 | } | |
82 | } | |
83 | ||
e19cc57d | 84 | /* Initialize events_discarded */ |
12c8a1a3 JG |
85 | ret = set_structure_field_integer(stream->packet_context, |
86 | "events_discarded", 0); | |
87 | if (ret) { | |
88 | goto error_destroy; | |
89 | } | |
90 | ||
273b65be JG |
91 | stream->pos.fd = -1; |
92 | stream->id = stream_class->next_stream_id++; | |
93 | stream->stream_class = stream_class; | |
94 | bt_ctf_stream_class_get(stream_class); | |
95 | bt_ctf_stream_class_freeze(stream_class); | |
96 | stream->events = g_ptr_array_new_with_free_func( | |
8bfa3f9c JG |
97 | (GDestroyNotify) bt_ctf_event_put); |
98 | if (!stream->events) { | |
99 | goto error_destroy; | |
100 | } | |
101 | if (stream_class->event_context_type) { | |
102 | stream->event_contexts = g_ptr_array_new_with_free_func( | |
103 | (GDestroyNotify) bt_ctf_field_put); | |
104 | if (!stream->event_contexts) { | |
105 | goto error_destroy; | |
106 | } | |
107 | } | |
273b65be JG |
108 | end: |
109 | return stream; | |
12c8a1a3 JG |
110 | error_destroy: |
111 | bt_ctf_stream_destroy(&stream->ref_count); | |
112 | return NULL; | |
273b65be JG |
113 | } |
114 | ||
115 | BT_HIDDEN | |
116 | int bt_ctf_stream_set_flush_callback(struct bt_ctf_stream *stream, | |
117 | flush_func callback, void *data) | |
118 | { | |
119 | int ret = stream ? 0 : -1; | |
120 | ||
121 | if (!stream) { | |
122 | goto end; | |
123 | } | |
124 | ||
125 | stream->flush.func = callback; | |
126 | stream->flush.data = data; | |
127 | end: | |
128 | return ret; | |
129 | } | |
130 | ||
131 | BT_HIDDEN | |
132 | int bt_ctf_stream_set_fd(struct bt_ctf_stream *stream, int fd) | |
133 | { | |
134 | int ret = 0; | |
135 | ||
136 | if (stream->pos.fd != -1) { | |
137 | ret = -1; | |
138 | goto end; | |
139 | } | |
140 | ||
141 | ctf_init_pos(&stream->pos, NULL, fd, O_RDWR); | |
142 | stream->pos.fd = fd; | |
143 | end: | |
144 | return ret; | |
145 | } | |
146 | ||
a78a2e25 JG |
147 | int bt_ctf_stream_get_discarded_events_count( |
148 | struct bt_ctf_stream *stream, uint64_t *count) | |
149 | { | |
150 | int64_t ret = 0; | |
12c8a1a3 JG |
151 | int field_signed; |
152 | struct bt_ctf_field *events_discarded_field = NULL; | |
153 | struct bt_ctf_field_type *events_discarded_field_type = NULL; | |
a78a2e25 | 154 | |
12c8a1a3 | 155 | if (!stream || !count || !stream->packet_context) { |
a78a2e25 JG |
156 | ret = -1; |
157 | goto end; | |
158 | } | |
159 | ||
12c8a1a3 JG |
160 | events_discarded_field = bt_ctf_field_structure_get_field( |
161 | stream->packet_context, "events_discarded"); | |
162 | if (!events_discarded_field) { | |
163 | ret = -1; | |
164 | goto end; | |
165 | } | |
166 | ||
167 | events_discarded_field_type = bt_ctf_field_get_type( | |
168 | events_discarded_field); | |
169 | if (!events_discarded_field_type) { | |
170 | ret = -1; | |
171 | goto end; | |
172 | } | |
173 | ||
174 | field_signed = bt_ctf_field_type_integer_get_signed( | |
175 | events_discarded_field_type); | |
176 | if (field_signed < 0) { | |
177 | ret = field_signed; | |
178 | goto end; | |
179 | } | |
180 | ||
181 | if (field_signed) { | |
182 | int64_t signed_count; | |
183 | ||
184 | ret = bt_ctf_field_signed_integer_get_value( | |
185 | events_discarded_field, &signed_count); | |
186 | if (ret) { | |
187 | goto end; | |
188 | } | |
189 | if (signed_count < 0) { | |
190 | /* Invalid value */ | |
191 | ret = -1; | |
192 | goto end; | |
193 | } | |
194 | *count = (uint64_t) signed_count; | |
195 | } else { | |
196 | ret = bt_ctf_field_unsigned_integer_get_value( | |
197 | events_discarded_field, count); | |
198 | if (ret) { | |
199 | goto end; | |
200 | } | |
201 | } | |
a78a2e25 | 202 | end: |
12c8a1a3 JG |
203 | if (events_discarded_field) { |
204 | bt_ctf_field_put(events_discarded_field); | |
205 | } | |
206 | if (events_discarded_field_type) { | |
207 | bt_ctf_field_type_put(events_discarded_field_type); | |
208 | } | |
a78a2e25 JG |
209 | return ret; |
210 | } | |
211 | ||
273b65be JG |
212 | void bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream, |
213 | uint64_t event_count) | |
214 | { | |
12c8a1a3 JG |
215 | int ret; |
216 | int field_signed; | |
217 | uint64_t previous_count; | |
218 | uint64_t new_count; | |
219 | struct bt_ctf_field *events_discarded_field = NULL; | |
220 | struct bt_ctf_field_type *events_discarded_field_type = NULL; | |
221 | ||
222 | if (!stream || !stream->packet_context) { | |
223 | goto end; | |
224 | } | |
225 | ||
226 | ret = bt_ctf_stream_get_discarded_events_count(stream, | |
227 | &previous_count); | |
228 | if (ret) { | |
229 | goto end; | |
230 | } | |
231 | ||
232 | events_discarded_field = bt_ctf_field_structure_get_field( | |
233 | stream->packet_context, "events_discarded"); | |
234 | if (!events_discarded_field) { | |
235 | goto end; | |
236 | } | |
237 | ||
238 | events_discarded_field_type = bt_ctf_field_get_type( | |
239 | events_discarded_field); | |
240 | if (!events_discarded_field_type) { | |
241 | goto end; | |
242 | } | |
243 | ||
244 | field_signed = bt_ctf_field_type_integer_get_signed( | |
245 | events_discarded_field_type); | |
246 | if (field_signed < 0) { | |
247 | goto end; | |
273b65be JG |
248 | } |
249 | ||
12c8a1a3 JG |
250 | new_count = previous_count + event_count; |
251 | if (field_signed) { | |
252 | ret = bt_ctf_field_signed_integer_set_value( | |
253 | events_discarded_field, (int64_t) new_count); | |
254 | if (ret) { | |
255 | goto end; | |
256 | } | |
257 | } else { | |
258 | ret = bt_ctf_field_unsigned_integer_set_value( | |
259 | events_discarded_field, new_count); | |
260 | if (ret) { | |
261 | goto end; | |
262 | } | |
263 | } | |
264 | ||
265 | end: | |
266 | if (events_discarded_field) { | |
267 | bt_ctf_field_put(events_discarded_field); | |
268 | } | |
269 | if (events_discarded_field_type) { | |
270 | bt_ctf_field_type_put(events_discarded_field_type); | |
271 | } | |
273b65be JG |
272 | } |
273 | ||
274 | int bt_ctf_stream_append_event(struct bt_ctf_stream *stream, | |
275 | struct bt_ctf_event *event) | |
276 | { | |
277 | int ret = 0; | |
278 | uint64_t timestamp; | |
af181248 | 279 | struct bt_ctf_field *event_context_copy = NULL; |
273b65be JG |
280 | |
281 | if (!stream || !event) { | |
282 | ret = -1; | |
283 | goto end; | |
284 | } | |
285 | ||
286 | ret = bt_ctf_event_validate(event); | |
287 | if (ret) { | |
288 | goto end; | |
289 | } | |
290 | ||
8bfa3f9c JG |
291 | /* Sample the current stream event context by copying it */ |
292 | if (stream->event_context) { | |
293 | /* Make sure the event context's payload is set */ | |
294 | ret = bt_ctf_field_validate(stream->event_context); | |
295 | if (ret) { | |
296 | goto end; | |
297 | } | |
298 | ||
299 | event_context_copy = bt_ctf_field_copy(stream->event_context); | |
300 | if (!event_context_copy) { | |
301 | ret = -1; | |
302 | goto end; | |
303 | } | |
304 | } | |
305 | ||
273b65be JG |
306 | timestamp = bt_ctf_clock_get_time(stream->stream_class->clock); |
307 | ret = bt_ctf_event_set_timestamp(event, timestamp); | |
308 | if (ret) { | |
309 | goto end; | |
310 | } | |
311 | ||
312 | bt_ctf_event_get(event); | |
8bfa3f9c | 313 | /* Save the new event along with its associated stream event context */ |
273b65be | 314 | g_ptr_array_add(stream->events, event); |
8bfa3f9c JG |
315 | if (event_context_copy) { |
316 | g_ptr_array_add(stream->event_contexts, event_context_copy); | |
317 | } | |
273b65be JG |
318 | end: |
319 | return ret; | |
320 | } | |
321 | ||
12c8a1a3 JG |
322 | struct bt_ctf_field *bt_ctf_stream_get_packet_context( |
323 | struct bt_ctf_stream *stream) | |
324 | { | |
325 | struct bt_ctf_field *packet_context = NULL; | |
326 | ||
327 | if (!stream) { | |
328 | goto end; | |
329 | } | |
330 | ||
331 | packet_context = stream->packet_context; | |
332 | end: | |
333 | if (packet_context) { | |
334 | bt_ctf_field_get(packet_context); | |
335 | } | |
336 | return packet_context; | |
337 | } | |
338 | ||
339 | int bt_ctf_stream_set_packet_context(struct bt_ctf_stream *stream, | |
340 | struct bt_ctf_field *field) | |
341 | { | |
342 | int ret = 0; | |
343 | struct bt_ctf_field_type *field_type; | |
344 | ||
345 | if (!stream || !field) { | |
346 | ret = -1; | |
347 | goto end; | |
348 | } | |
349 | ||
350 | field_type = bt_ctf_field_get_type(field); | |
351 | if (field_type != stream->stream_class->packet_context_type) { | |
352 | ret = -1; | |
353 | goto end; | |
354 | } | |
355 | ||
356 | bt_ctf_field_type_put(field_type); | |
357 | bt_ctf_field_get(field); | |
358 | bt_ctf_field_put(stream->packet_context); | |
359 | stream->packet_context = field; | |
360 | end: | |
361 | return ret; | |
362 | } | |
363 | ||
8bfa3f9c JG |
364 | struct bt_ctf_field *bt_ctf_stream_get_event_context( |
365 | struct bt_ctf_stream *stream) | |
366 | { | |
367 | struct bt_ctf_field *event_context = NULL; | |
368 | ||
369 | if (!stream) { | |
370 | goto end; | |
371 | } | |
372 | ||
373 | event_context = stream->event_context; | |
374 | if (event_context) { | |
375 | bt_ctf_field_get(event_context); | |
376 | } | |
377 | end: | |
378 | return event_context; | |
379 | } | |
380 | ||
381 | int bt_ctf_stream_set_event_context(struct bt_ctf_stream *stream, | |
382 | struct bt_ctf_field *field) | |
383 | { | |
384 | int ret = 0; | |
385 | struct bt_ctf_field_type *field_type = NULL; | |
386 | ||
387 | if (!stream || !field) { | |
388 | ret = -1; | |
389 | goto end; | |
390 | } | |
391 | ||
392 | field_type = bt_ctf_field_get_type(field); | |
393 | if (field_type != stream->stream_class->event_context_type) { | |
394 | ret = -1; | |
395 | goto end; | |
396 | } | |
397 | ||
398 | bt_ctf_field_get(field); | |
399 | bt_ctf_field_put(stream->event_context); | |
400 | stream->event_context = field; | |
401 | end: | |
402 | if (field_type) { | |
403 | bt_ctf_field_type_put(field_type); | |
404 | } | |
405 | return ret; | |
406 | } | |
407 | ||
273b65be JG |
408 | int bt_ctf_stream_flush(struct bt_ctf_stream *stream) |
409 | { | |
410 | int ret = 0; | |
411 | size_t i; | |
12c8a1a3 | 412 | uint64_t timestamp_begin, timestamp_end, events_discarded; |
9f56e450 | 413 | struct bt_ctf_stream_class *stream_class; |
273b65be JG |
414 | struct bt_ctf_field *integer = NULL; |
415 | struct ctf_stream_pos packet_context_pos; | |
416 | ||
bc37ae52 JG |
417 | if (!stream || stream->pos.fd < 0) { |
418 | /* | |
419 | * Stream does not have an associated fd. It is, | |
420 | * therefore, not a stream being used to write events. | |
421 | */ | |
273b65be JG |
422 | ret = -1; |
423 | goto end; | |
424 | } | |
425 | ||
426 | if (!stream->events->len) { | |
427 | goto end; | |
428 | } | |
429 | ||
430 | if (stream->flush.func) { | |
431 | stream->flush.func(stream, stream->flush.data); | |
432 | } | |
433 | ||
9f56e450 | 434 | stream_class = stream->stream_class; |
273b65be JG |
435 | timestamp_begin = ((struct bt_ctf_event *) g_ptr_array_index( |
436 | stream->events, 0))->timestamp; | |
437 | timestamp_end = ((struct bt_ctf_event *) g_ptr_array_index( | |
438 | stream->events, stream->events->len - 1))->timestamp; | |
12c8a1a3 JG |
439 | |
440 | /* Set the default context attributes if present and unset. */ | |
441 | ret = set_structure_field_integer(stream->packet_context, | |
273b65be JG |
442 | "timestamp_begin", timestamp_begin); |
443 | if (ret) { | |
444 | goto end; | |
445 | } | |
446 | ||
12c8a1a3 | 447 | ret = set_structure_field_integer(stream->packet_context, |
273b65be JG |
448 | "timestamp_end", timestamp_end); |
449 | if (ret) { | |
450 | goto end; | |
451 | } | |
452 | ||
12c8a1a3 | 453 | ret = set_structure_field_integer(stream->packet_context, |
273b65be JG |
454 | "content_size", UINT64_MAX); |
455 | if (ret) { | |
456 | goto end; | |
457 | } | |
458 | ||
12c8a1a3 | 459 | ret = set_structure_field_integer(stream->packet_context, |
273b65be JG |
460 | "packet_size", UINT64_MAX); |
461 | if (ret) { | |
462 | goto end; | |
463 | } | |
464 | ||
465 | /* Write packet context */ | |
466 | memcpy(&packet_context_pos, &stream->pos, | |
467 | sizeof(struct ctf_stream_pos)); | |
12c8a1a3 | 468 | ret = bt_ctf_field_serialize(stream->packet_context, |
273b65be JG |
469 | &stream->pos); |
470 | if (ret) { | |
471 | goto end; | |
472 | } | |
473 | ||
12c8a1a3 JG |
474 | ret = bt_ctf_stream_get_discarded_events_count(stream, |
475 | &events_discarded); | |
476 | if (ret) { | |
477 | goto end; | |
478 | } | |
479 | ||
480 | /* Unset the packet context's fields. */ | |
481 | ret = bt_ctf_field_reset(stream->packet_context); | |
482 | if (ret) { | |
483 | goto end; | |
484 | } | |
485 | ||
486 | /* Set the previous number of discarded events. */ | |
487 | ret = set_structure_field_integer(stream->packet_context, | |
488 | "events_discarded", events_discarded); | |
489 | if (ret) { | |
490 | goto end; | |
491 | } | |
492 | ||
273b65be JG |
493 | for (i = 0; i < stream->events->len; i++) { |
494 | struct bt_ctf_event *event = g_ptr_array_index( | |
495 | stream->events, i); | |
496 | uint32_t event_id = bt_ctf_event_class_get_id( | |
497 | event->event_class); | |
498 | uint64_t timestamp = bt_ctf_event_get_timestamp(event); | |
499 | ||
12c8a1a3 JG |
500 | ret = bt_ctf_field_reset(stream_class->event_header); |
501 | if (ret) { | |
502 | goto end; | |
503 | } | |
504 | ||
273b65be JG |
505 | ret = set_structure_field_integer(stream_class->event_header, |
506 | "id", event_id); | |
507 | if (ret) { | |
508 | goto end; | |
509 | } | |
510 | ret = set_structure_field_integer(stream_class->event_header, | |
511 | "timestamp", timestamp); | |
512 | if (ret) { | |
513 | goto end; | |
514 | } | |
515 | ||
516 | /* Write event header */ | |
517 | ret = bt_ctf_field_serialize(stream_class->event_header, | |
518 | &stream->pos); | |
519 | if (ret) { | |
520 | goto end; | |
521 | } | |
522 | ||
8bfa3f9c JG |
523 | /* Write stream event context */ |
524 | if (stream->event_contexts) { | |
525 | ret = bt_ctf_field_serialize( | |
526 | g_ptr_array_index(stream->event_contexts, i), | |
527 | &stream->pos); | |
528 | if (ret) { | |
529 | goto end; | |
530 | } | |
531 | } | |
532 | ||
273b65be JG |
533 | /* Write event content */ |
534 | ret = bt_ctf_event_serialize(event, &stream->pos); | |
535 | if (ret) { | |
536 | goto end; | |
537 | } | |
538 | } | |
539 | ||
540 | /* | |
541 | * Update the packet total size and content size and overwrite the | |
542 | * packet context. | |
3a092c05 JG |
543 | * Copy base_mma as the packet may have been remapped (e.g. when a |
544 | * packet is resized). | |
273b65be | 545 | */ |
3a092c05 | 546 | packet_context_pos.base_mma = stream->pos.base_mma; |
12c8a1a3 | 547 | ret = set_structure_field_integer(stream->packet_context, |
273b65be JG |
548 | "content_size", stream->pos.offset); |
549 | if (ret) { | |
550 | goto end; | |
551 | } | |
552 | ||
12c8a1a3 | 553 | ret = set_structure_field_integer(stream->packet_context, |
273b65be JG |
554 | "packet_size", stream->pos.packet_size); |
555 | if (ret) { | |
556 | goto end; | |
557 | } | |
558 | ||
12c8a1a3 | 559 | ret = bt_ctf_field_serialize(stream->packet_context, |
273b65be JG |
560 | &packet_context_pos); |
561 | if (ret) { | |
562 | goto end; | |
563 | } | |
564 | ||
565 | g_ptr_array_set_size(stream->events, 0); | |
8bfa3f9c JG |
566 | if (stream->event_contexts) { |
567 | g_ptr_array_set_size(stream->event_contexts, 0); | |
568 | } | |
273b65be JG |
569 | stream->flushed_packet_count++; |
570 | end: | |
571 | bt_ctf_field_put(integer); | |
572 | return ret; | |
573 | } | |
574 | ||
575 | void bt_ctf_stream_get(struct bt_ctf_stream *stream) | |
576 | { | |
577 | if (!stream) { | |
578 | return; | |
579 | } | |
580 | ||
581 | bt_ctf_ref_get(&stream->ref_count); | |
582 | } | |
583 | ||
584 | void bt_ctf_stream_put(struct bt_ctf_stream *stream) | |
585 | { | |
586 | if (!stream) { | |
587 | return; | |
588 | } | |
589 | ||
590 | bt_ctf_ref_put(&stream->ref_count, bt_ctf_stream_destroy); | |
591 | } | |
592 | ||
593 | static | |
594 | void bt_ctf_stream_destroy(struct bt_ctf_ref *ref) | |
595 | { | |
596 | struct bt_ctf_stream *stream; | |
597 | ||
598 | if (!ref) { | |
599 | return; | |
600 | } | |
601 | ||
602 | stream = container_of(ref, struct bt_ctf_stream, ref_count); | |
603 | ctf_fini_pos(&stream->pos); | |
9f56e450 JG |
604 | if (close(stream->pos.fd)) { |
605 | perror("close"); | |
606 | } | |
12c8a1a3 JG |
607 | |
608 | if (stream->stream_class) { | |
609 | bt_ctf_stream_class_put(stream->stream_class); | |
610 | } | |
611 | if (stream->events) { | |
612 | g_ptr_array_free(stream->events, TRUE); | |
613 | } | |
8bfa3f9c JG |
614 | if (stream->event_contexts) { |
615 | g_ptr_array_free(stream->event_contexts, TRUE); | |
616 | } | |
12c8a1a3 JG |
617 | if (stream->packet_context) { |
618 | bt_ctf_field_put(stream->packet_context); | |
619 | } | |
8bfa3f9c JG |
620 | if (stream->event_context) { |
621 | bt_ctf_field_put(stream->event_context); | |
622 | } | |
273b65be JG |
623 | g_free(stream); |
624 | } | |
625 | ||
273b65be JG |
626 | static |
627 | int set_structure_field_integer(struct bt_ctf_field *structure, char *name, | |
628 | uint64_t value) | |
629 | { | |
630 | int ret = 0; | |
273b65be JG |
631 | struct bt_ctf_field *integer = |
632 | bt_ctf_field_structure_get_field(structure, name); | |
12c8a1a3 JG |
633 | |
634 | if (!structure || !name) { | |
273b65be JG |
635 | ret = -1; |
636 | goto end; | |
637 | } | |
638 | ||
12c8a1a3 JG |
639 | if (!integer) { |
640 | /* Field not found, not an error. */ | |
641 | goto end; | |
642 | } | |
643 | ||
644 | /* Make sure the payload has not already been set. */ | |
645 | if (!bt_ctf_field_validate(integer)) { | |
646 | /* Payload already set, not an error */ | |
647 | goto end; | |
648 | } | |
649 | ||
273b65be JG |
650 | ret = bt_ctf_field_unsigned_integer_set_value(integer, value); |
651 | end: | |
652 | bt_ctf_field_put(integer); | |
653 | return ret; | |
654 | } |