Commit | Line | Data |
---|---|---|
273b65be JG |
1 | /* |
2 | * stream.c | |
3 | * | |
4 | * Babeltrace CTF Writer | |
5 | * | |
6 | * Copyright 2013 EfficiOS Inc. | |
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 | ||
29 | #include <babeltrace/ctf-writer/clock.h> | |
30 | #include <babeltrace/ctf-writer/clock-internal.h> | |
31 | #include <babeltrace/ctf-writer/event.h> | |
32 | #include <babeltrace/ctf-writer/event-internal.h> | |
33 | #include <babeltrace/ctf-writer/event-types-internal.h> | |
34 | #include <babeltrace/ctf-writer/event-fields-internal.h> | |
35 | #include <babeltrace/ctf-writer/stream.h> | |
36 | #include <babeltrace/ctf-writer/stream-internal.h> | |
37 | #include <babeltrace/ctf-writer/functor-internal.h> | |
38 | #include <babeltrace/compiler.h> | |
39 | #include <babeltrace/align.h> | |
40 | ||
41 | static | |
42 | void bt_ctf_stream_destroy(struct bt_ctf_ref *ref); | |
43 | static | |
44 | void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref); | |
45 | static | |
46 | int init_event_header(struct bt_ctf_stream_class *stream_class, | |
47 | enum bt_ctf_byte_order byte_order); | |
48 | static | |
49 | int init_packet_context(struct bt_ctf_stream_class *stream_class, | |
50 | enum bt_ctf_byte_order byte_order); | |
51 | static | |
52 | int set_structure_field_integer(struct bt_ctf_field *, char *, uint64_t); | |
53 | ||
54 | struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name) | |
55 | { | |
56 | struct bt_ctf_stream_class *stream_class = NULL; | |
57 | ||
58 | if (!name || !strlen(name)) { | |
59 | goto error; | |
60 | } | |
61 | ||
62 | stream_class = g_new0(struct bt_ctf_stream_class, 1); | |
63 | if (!stream_class) { | |
64 | goto error; | |
65 | } | |
66 | ||
67 | stream_class->name = g_string_new(name); | |
68 | stream_class->event_classes = g_ptr_array_new_with_free_func( | |
69 | (GDestroyNotify)bt_ctf_event_class_put); | |
70 | if (!stream_class->event_classes) { | |
71 | goto error_destroy; | |
72 | } | |
73 | ||
74 | bt_ctf_ref_init(&stream_class->ref_count); | |
75 | return stream_class; | |
76 | ||
77 | error_destroy: | |
78 | bt_ctf_stream_class_destroy(&stream_class->ref_count); | |
79 | stream_class = NULL; | |
80 | error: | |
81 | return stream_class; | |
82 | } | |
83 | ||
84 | int bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class, | |
85 | struct bt_ctf_clock *clock) | |
86 | { | |
87 | int ret = 0; | |
88 | ||
89 | if (!stream_class || !clock || stream_class->frozen) { | |
90 | ret = -1; | |
91 | goto end; | |
92 | } | |
93 | ||
94 | if (stream_class->clock) { | |
95 | bt_ctf_clock_put(stream_class->clock); | |
96 | } | |
97 | ||
98 | stream_class->clock = clock; | |
99 | bt_ctf_clock_get(clock); | |
100 | end: | |
101 | return ret; | |
102 | } | |
103 | ||
104 | int bt_ctf_stream_class_add_event_class( | |
105 | struct bt_ctf_stream_class *stream_class, | |
106 | struct bt_ctf_event_class *event_class) | |
107 | { | |
108 | int ret = 0; | |
109 | ||
110 | if (!stream_class || !event_class) { | |
111 | ret = -1; | |
112 | goto end; | |
113 | } | |
114 | ||
115 | /* Check for duplicate event classes */ | |
116 | struct search_query query = { .value = event_class, .found = 0 }; | |
117 | g_ptr_array_foreach(stream_class->event_classes, value_exists, &query); | |
118 | if (query.found) { | |
119 | ret = -1; | |
120 | goto end; | |
121 | } | |
122 | ||
123 | if (bt_ctf_event_class_set_id(event_class, | |
124 | stream_class->next_event_id++)) { | |
125 | /* The event is already associated to a stream class */ | |
126 | ret = -1; | |
127 | goto end; | |
128 | } | |
129 | ||
130 | bt_ctf_event_class_get(event_class); | |
131 | g_ptr_array_add(stream_class->event_classes, event_class); | |
132 | end: | |
133 | return ret; | |
134 | } | |
135 | ||
136 | void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class) | |
137 | { | |
138 | if (!stream_class) { | |
139 | return; | |
140 | } | |
141 | ||
142 | bt_ctf_ref_get(&stream_class->ref_count); | |
143 | } | |
144 | ||
145 | void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class) | |
146 | { | |
147 | if (!stream_class) { | |
148 | return; | |
149 | } | |
150 | ||
151 | bt_ctf_ref_put(&stream_class->ref_count, bt_ctf_stream_class_destroy); | |
152 | } | |
153 | ||
154 | BT_HIDDEN | |
155 | void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class) | |
156 | { | |
157 | if (!stream_class) { | |
158 | return; | |
159 | } | |
160 | ||
161 | stream_class->frozen = 1; | |
162 | bt_ctf_clock_freeze(stream_class->clock); | |
163 | g_ptr_array_foreach(stream_class->event_classes, | |
164 | (GFunc)bt_ctf_event_class_freeze, NULL); | |
165 | } | |
166 | ||
167 | BT_HIDDEN | |
168 | int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class, | |
169 | uint32_t id) | |
170 | { | |
171 | int ret = 0; | |
172 | ||
173 | if (!stream_class || | |
174 | (stream_class->id_set && (id != stream_class->id))) { | |
175 | ret = -1; | |
176 | goto end; | |
177 | } | |
178 | ||
179 | stream_class->id = id; | |
180 | stream_class->id_set = 1; | |
181 | end: | |
182 | return ret; | |
183 | } | |
184 | ||
185 | BT_HIDDEN | |
186 | int bt_ctf_stream_class_set_byte_order(struct bt_ctf_stream_class *stream_class, | |
187 | enum bt_ctf_byte_order byte_order) | |
188 | { | |
189 | int ret = 0; | |
190 | ||
191 | ret = init_packet_context(stream_class, byte_order); | |
192 | if (ret) { | |
193 | goto end; | |
194 | } | |
195 | ||
196 | ret = init_event_header(stream_class, byte_order); | |
197 | if (ret) { | |
198 | goto end; | |
199 | } | |
200 | end: | |
201 | return ret; | |
202 | } | |
203 | ||
204 | BT_HIDDEN | |
205 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
206 | struct metadata_context *context) | |
207 | { | |
208 | int ret = 0; | |
209 | size_t i; | |
210 | ||
211 | g_string_assign(context->field_name, ""); | |
212 | context->current_indentation_level = 1; | |
213 | if (!stream_class->id_set) { | |
214 | ret = -1; | |
215 | goto end; | |
216 | } | |
217 | ||
218 | g_string_append_printf(context->string, | |
219 | "stream {\n\tid = %" PRIu32 ";\n\tevent.header := ", | |
220 | stream_class->id); | |
221 | ret = bt_ctf_field_type_serialize(stream_class->event_header_type, | |
222 | context); | |
223 | if (ret) { | |
224 | goto end; | |
225 | } | |
226 | ||
227 | g_string_append(context->string, ";\n\n\tpacket.context := "); | |
228 | ret = bt_ctf_field_type_serialize(stream_class->packet_context_type, | |
229 | context); | |
230 | if (ret) { | |
231 | goto end; | |
232 | } | |
233 | ||
234 | if (stream_class->event_context_type) { | |
235 | g_string_append(context->string, ";\n\n\tevent.context := "); | |
236 | ret = bt_ctf_field_type_serialize( | |
237 | stream_class->event_context_type, context); | |
238 | if (ret) { | |
239 | goto end; | |
240 | } | |
241 | } | |
242 | ||
243 | g_string_append(context->string, ";\n};\n\n"); | |
244 | ||
245 | /* Assign this stream's ID to every event and serialize them */ | |
246 | g_ptr_array_foreach(stream_class->event_classes, | |
247 | (GFunc) bt_ctf_event_class_set_stream_id, | |
248 | GUINT_TO_POINTER(stream_class->id)); | |
249 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
250 | struct bt_ctf_event_class *event_class = | |
251 | stream_class->event_classes->pdata[i]; | |
252 | ||
253 | ret = bt_ctf_event_class_set_stream_id(event_class, | |
254 | stream_class->id); | |
255 | if (ret) { | |
256 | goto end; | |
257 | } | |
258 | ||
259 | ret = bt_ctf_event_class_serialize(event_class, context); | |
260 | if (ret) { | |
261 | goto end; | |
262 | } | |
263 | } | |
264 | end: | |
265 | context->current_indentation_level = 0; | |
266 | return ret; | |
267 | } | |
268 | ||
269 | BT_HIDDEN | |
270 | struct bt_ctf_stream *bt_ctf_stream_create( | |
271 | struct bt_ctf_stream_class *stream_class) | |
272 | { | |
273 | struct bt_ctf_stream *stream = NULL; | |
274 | ||
275 | if (!stream_class) { | |
276 | goto end; | |
277 | } | |
278 | ||
279 | stream = g_new0(struct bt_ctf_stream, 1); | |
280 | if (!stream) { | |
281 | goto end; | |
282 | } | |
283 | ||
284 | bt_ctf_ref_init(&stream->ref_count); | |
285 | stream->pos.fd = -1; | |
286 | stream->id = stream_class->next_stream_id++; | |
287 | stream->stream_class = stream_class; | |
288 | bt_ctf_stream_class_get(stream_class); | |
289 | bt_ctf_stream_class_freeze(stream_class); | |
290 | stream->events = g_ptr_array_new_with_free_func( | |
291 | (GDestroyNotify)bt_ctf_event_put); | |
292 | end: | |
293 | return stream; | |
294 | } | |
295 | ||
296 | BT_HIDDEN | |
297 | int bt_ctf_stream_set_flush_callback(struct bt_ctf_stream *stream, | |
298 | flush_func callback, void *data) | |
299 | { | |
300 | int ret = stream ? 0 : -1; | |
301 | ||
302 | if (!stream) { | |
303 | goto end; | |
304 | } | |
305 | ||
306 | stream->flush.func = callback; | |
307 | stream->flush.data = data; | |
308 | end: | |
309 | return ret; | |
310 | } | |
311 | ||
312 | BT_HIDDEN | |
313 | int bt_ctf_stream_set_fd(struct bt_ctf_stream *stream, int fd) | |
314 | { | |
315 | int ret = 0; | |
316 | ||
317 | if (stream->pos.fd != -1) { | |
318 | ret = -1; | |
319 | goto end; | |
320 | } | |
321 | ||
322 | ctf_init_pos(&stream->pos, NULL, fd, O_RDWR); | |
323 | stream->pos.fd = fd; | |
324 | end: | |
325 | return ret; | |
326 | } | |
327 | ||
328 | void bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream, | |
329 | uint64_t event_count) | |
330 | { | |
331 | if (!stream) { | |
332 | return; | |
333 | } | |
334 | ||
335 | stream->events_discarded += event_count; | |
336 | } | |
337 | ||
338 | int bt_ctf_stream_append_event(struct bt_ctf_stream *stream, | |
339 | struct bt_ctf_event *event) | |
340 | { | |
341 | int ret = 0; | |
342 | uint64_t timestamp; | |
343 | ||
344 | if (!stream || !event) { | |
345 | ret = -1; | |
346 | goto end; | |
347 | } | |
348 | ||
349 | ret = bt_ctf_event_validate(event); | |
350 | if (ret) { | |
351 | goto end; | |
352 | } | |
353 | ||
354 | timestamp = bt_ctf_clock_get_time(stream->stream_class->clock); | |
355 | ret = bt_ctf_event_set_timestamp(event, timestamp); | |
356 | if (ret) { | |
357 | goto end; | |
358 | } | |
359 | ||
360 | bt_ctf_event_get(event); | |
361 | g_ptr_array_add(stream->events, event); | |
362 | end: | |
363 | return ret; | |
364 | } | |
365 | ||
366 | int bt_ctf_stream_flush(struct bt_ctf_stream *stream) | |
367 | { | |
368 | int ret = 0; | |
369 | size_t i; | |
370 | uint64_t timestamp_begin, timestamp_end; | |
9f56e450 | 371 | struct bt_ctf_stream_class *stream_class; |
273b65be JG |
372 | struct bt_ctf_field *integer = NULL; |
373 | struct ctf_stream_pos packet_context_pos; | |
374 | ||
375 | if (!stream) { | |
376 | ret = -1; | |
377 | goto end; | |
378 | } | |
379 | ||
380 | if (!stream->events->len) { | |
381 | goto end; | |
382 | } | |
383 | ||
384 | if (stream->flush.func) { | |
385 | stream->flush.func(stream, stream->flush.data); | |
386 | } | |
387 | ||
9f56e450 | 388 | stream_class = stream->stream_class; |
273b65be JG |
389 | timestamp_begin = ((struct bt_ctf_event *) g_ptr_array_index( |
390 | stream->events, 0))->timestamp; | |
391 | timestamp_end = ((struct bt_ctf_event *) g_ptr_array_index( | |
392 | stream->events, stream->events->len - 1))->timestamp; | |
393 | ret = set_structure_field_integer(stream_class->packet_context, | |
394 | "timestamp_begin", timestamp_begin); | |
395 | if (ret) { | |
396 | goto end; | |
397 | } | |
398 | ||
399 | ret = set_structure_field_integer(stream_class->packet_context, | |
400 | "timestamp_end", timestamp_end); | |
401 | if (ret) { | |
402 | goto end; | |
403 | } | |
404 | ||
405 | ret = set_structure_field_integer(stream_class->packet_context, | |
406 | "events_discarded", stream->events_discarded); | |
407 | if (ret) { | |
408 | goto end; | |
409 | } | |
410 | ||
411 | ret = set_structure_field_integer(stream_class->packet_context, | |
412 | "content_size", UINT64_MAX); | |
413 | if (ret) { | |
414 | goto end; | |
415 | } | |
416 | ||
417 | ret = set_structure_field_integer(stream_class->packet_context, | |
418 | "packet_size", UINT64_MAX); | |
419 | if (ret) { | |
420 | goto end; | |
421 | } | |
422 | ||
423 | /* Write packet context */ | |
424 | memcpy(&packet_context_pos, &stream->pos, | |
425 | sizeof(struct ctf_stream_pos)); | |
426 | ret = bt_ctf_field_serialize(stream_class->packet_context, | |
427 | &stream->pos); | |
428 | if (ret) { | |
429 | goto end; | |
430 | } | |
431 | ||
432 | for (i = 0; i < stream->events->len; i++) { | |
433 | struct bt_ctf_event *event = g_ptr_array_index( | |
434 | stream->events, i); | |
435 | uint32_t event_id = bt_ctf_event_class_get_id( | |
436 | event->event_class); | |
437 | uint64_t timestamp = bt_ctf_event_get_timestamp(event); | |
438 | ||
439 | ret = set_structure_field_integer(stream_class->event_header, | |
440 | "id", event_id); | |
441 | if (ret) { | |
442 | goto end; | |
443 | } | |
444 | ret = set_structure_field_integer(stream_class->event_header, | |
445 | "timestamp", timestamp); | |
446 | if (ret) { | |
447 | goto end; | |
448 | } | |
449 | ||
450 | /* Write event header */ | |
451 | ret = bt_ctf_field_serialize(stream_class->event_header, | |
452 | &stream->pos); | |
453 | if (ret) { | |
454 | goto end; | |
455 | } | |
456 | ||
457 | /* Write event content */ | |
458 | ret = bt_ctf_event_serialize(event, &stream->pos); | |
459 | if (ret) { | |
460 | goto end; | |
461 | } | |
462 | } | |
463 | ||
464 | /* | |
465 | * Update the packet total size and content size and overwrite the | |
466 | * packet context. | |
3a092c05 JG |
467 | * Copy base_mma as the packet may have been remapped (e.g. when a |
468 | * packet is resized). | |
273b65be | 469 | */ |
3a092c05 | 470 | packet_context_pos.base_mma = stream->pos.base_mma; |
273b65be JG |
471 | ret = set_structure_field_integer(stream_class->packet_context, |
472 | "content_size", stream->pos.offset); | |
473 | if (ret) { | |
474 | goto end; | |
475 | } | |
476 | ||
477 | ret = set_structure_field_integer(stream_class->packet_context, | |
478 | "packet_size", stream->pos.packet_size); | |
479 | if (ret) { | |
480 | goto end; | |
481 | } | |
482 | ||
483 | ret = bt_ctf_field_serialize(stream_class->packet_context, | |
484 | &packet_context_pos); | |
485 | if (ret) { | |
486 | goto end; | |
487 | } | |
488 | ||
489 | g_ptr_array_set_size(stream->events, 0); | |
490 | stream->flushed_packet_count++; | |
491 | end: | |
492 | bt_ctf_field_put(integer); | |
493 | return ret; | |
494 | } | |
495 | ||
496 | void bt_ctf_stream_get(struct bt_ctf_stream *stream) | |
497 | { | |
498 | if (!stream) { | |
499 | return; | |
500 | } | |
501 | ||
502 | bt_ctf_ref_get(&stream->ref_count); | |
503 | } | |
504 | ||
505 | void bt_ctf_stream_put(struct bt_ctf_stream *stream) | |
506 | { | |
507 | if (!stream) { | |
508 | return; | |
509 | } | |
510 | ||
511 | bt_ctf_ref_put(&stream->ref_count, bt_ctf_stream_destroy); | |
512 | } | |
513 | ||
514 | static | |
515 | void bt_ctf_stream_destroy(struct bt_ctf_ref *ref) | |
516 | { | |
517 | struct bt_ctf_stream *stream; | |
518 | ||
519 | if (!ref) { | |
520 | return; | |
521 | } | |
522 | ||
523 | stream = container_of(ref, struct bt_ctf_stream, ref_count); | |
524 | ctf_fini_pos(&stream->pos); | |
9f56e450 JG |
525 | if (close(stream->pos.fd)) { |
526 | perror("close"); | |
527 | } | |
273b65be JG |
528 | bt_ctf_stream_class_put(stream->stream_class); |
529 | g_ptr_array_free(stream->events, TRUE); | |
530 | g_free(stream); | |
531 | } | |
532 | ||
533 | static | |
534 | void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref) | |
535 | { | |
536 | struct bt_ctf_stream_class *stream_class; | |
537 | ||
538 | if (!ref) { | |
539 | return; | |
540 | } | |
541 | ||
542 | stream_class = container_of(ref, struct bt_ctf_stream_class, ref_count); | |
543 | bt_ctf_clock_put(stream_class->clock); | |
544 | ||
545 | if (stream_class->event_classes) { | |
546 | g_ptr_array_free(stream_class->event_classes, TRUE); | |
547 | } | |
548 | ||
549 | if (stream_class->name) { | |
550 | g_string_free(stream_class->name, TRUE); | |
551 | } | |
552 | ||
553 | bt_ctf_field_type_put(stream_class->event_header_type); | |
554 | bt_ctf_field_put(stream_class->event_header); | |
555 | bt_ctf_field_type_put(stream_class->packet_context_type); | |
556 | bt_ctf_field_put(stream_class->packet_context); | |
557 | bt_ctf_field_type_put(stream_class->event_context_type); | |
558 | bt_ctf_field_put(stream_class->event_context); | |
559 | g_free(stream_class); | |
560 | } | |
561 | ||
562 | static | |
563 | int init_event_header(struct bt_ctf_stream_class *stream_class, | |
564 | enum bt_ctf_byte_order byte_order) | |
565 | { | |
566 | int ret = 0; | |
567 | struct bt_ctf_field_type *event_header_type = | |
568 | bt_ctf_field_type_structure_create(); | |
569 | struct bt_ctf_field_type *_uint32_t = | |
570 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
571 | struct bt_ctf_field_type *_uint64_t = | |
572 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
573 | ||
574 | if (!event_header_type) { | |
575 | ret = -1; | |
576 | goto end; | |
577 | } | |
578 | ||
579 | ret = bt_ctf_field_type_set_byte_order(_uint32_t, byte_order); | |
580 | if (ret) { | |
581 | goto end; | |
582 | } | |
583 | ||
584 | ret = bt_ctf_field_type_set_byte_order(_uint64_t, byte_order); | |
585 | if (ret) { | |
586 | goto end; | |
587 | } | |
588 | ||
589 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
590 | _uint32_t, "id"); | |
591 | if (ret) { | |
592 | goto end; | |
593 | } | |
594 | ||
595 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
596 | _uint64_t, "timestamp"); | |
597 | if (ret) { | |
598 | goto end; | |
599 | } | |
600 | ||
601 | stream_class->event_header_type = event_header_type; | |
602 | stream_class->event_header = bt_ctf_field_create( | |
603 | stream_class->event_header_type); | |
604 | if (!stream_class->event_header) { | |
605 | ret = -1; | |
606 | } | |
607 | end: | |
608 | if (ret) { | |
609 | bt_ctf_field_type_put(event_header_type); | |
610 | } | |
611 | ||
612 | bt_ctf_field_type_put(_uint32_t); | |
613 | bt_ctf_field_type_put(_uint64_t); | |
614 | return ret; | |
615 | } | |
616 | ||
617 | static | |
618 | int init_packet_context(struct bt_ctf_stream_class *stream_class, | |
619 | enum bt_ctf_byte_order byte_order) | |
620 | { | |
621 | int ret = 0; | |
622 | struct bt_ctf_field_type *packet_context_type = | |
623 | bt_ctf_field_type_structure_create(); | |
624 | struct bt_ctf_field_type *_uint64_t = | |
625 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
626 | ||
627 | if (!packet_context_type) { | |
628 | ret = -1; | |
629 | goto end; | |
630 | } | |
631 | ||
632 | /* | |
633 | * We create a stream packet context as proposed in the CTF | |
634 | * specification. | |
635 | */ | |
636 | ret = bt_ctf_field_type_set_byte_order(_uint64_t, byte_order); | |
637 | if (ret) { | |
638 | goto end; | |
639 | } | |
640 | ||
641 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
642 | _uint64_t, "timestamp_begin"); | |
643 | if (ret) { | |
644 | goto end; | |
645 | } | |
646 | ||
647 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
648 | _uint64_t, "timestamp_end"); | |
649 | if (ret) { | |
650 | goto end; | |
651 | } | |
652 | ||
653 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
654 | _uint64_t, "content_size"); | |
655 | if (ret) { | |
656 | goto end; | |
657 | } | |
658 | ||
659 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
660 | _uint64_t, "packet_size"); | |
661 | if (ret) { | |
662 | goto end; | |
663 | } | |
664 | ||
665 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
666 | _uint64_t, "events_discarded"); | |
667 | if (ret) { | |
668 | goto end; | |
669 | } | |
670 | ||
671 | stream_class->packet_context_type = packet_context_type; | |
672 | stream_class->packet_context = bt_ctf_field_create(packet_context_type); | |
673 | if (!stream_class->packet_context) { | |
674 | ret = -1; | |
675 | } | |
676 | end: | |
677 | if (ret) { | |
678 | bt_ctf_field_type_put(packet_context_type); | |
679 | goto end; | |
680 | } | |
681 | ||
682 | bt_ctf_field_type_put(_uint64_t); | |
683 | return ret; | |
684 | } | |
685 | ||
686 | static | |
687 | int set_structure_field_integer(struct bt_ctf_field *structure, char *name, | |
688 | uint64_t value) | |
689 | { | |
690 | int ret = 0; | |
691 | ||
692 | struct bt_ctf_field *integer = | |
693 | bt_ctf_field_structure_get_field(structure, name); | |
694 | if (!integer) { | |
695 | ret = -1; | |
696 | goto end; | |
697 | } | |
698 | ||
699 | ret = bt_ctf_field_unsigned_integer_set_value(integer, value); | |
700 | end: | |
701 | bt_ctf_field_put(integer); | |
702 | return ret; | |
703 | } |