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> | |
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> | |
273b65be JG |
35 | #include <babeltrace/ctf-writer/stream.h> |
36 | #include <babeltrace/ctf-writer/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 | |
45 | void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref); | |
46 | static | |
47 | int init_event_header(struct bt_ctf_stream_class *stream_class, | |
48 | enum bt_ctf_byte_order byte_order); | |
49 | static | |
50 | int init_packet_context(struct bt_ctf_stream_class *stream_class, | |
51 | enum bt_ctf_byte_order byte_order); | |
52 | static | |
53 | int set_structure_field_integer(struct bt_ctf_field *, char *, uint64_t); | |
54 | ||
55 | struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name) | |
56 | { | |
57 | struct bt_ctf_stream_class *stream_class = NULL; | |
58 | ||
59 | if (!name || !strlen(name)) { | |
60 | goto error; | |
61 | } | |
62 | ||
63 | stream_class = g_new0(struct bt_ctf_stream_class, 1); | |
64 | if (!stream_class) { | |
65 | goto error; | |
66 | } | |
67 | ||
68 | stream_class->name = g_string_new(name); | |
69 | stream_class->event_classes = g_ptr_array_new_with_free_func( | |
70 | (GDestroyNotify)bt_ctf_event_class_put); | |
71 | if (!stream_class->event_classes) { | |
72 | goto error_destroy; | |
73 | } | |
74 | ||
75 | bt_ctf_ref_init(&stream_class->ref_count); | |
76 | return stream_class; | |
77 | ||
78 | error_destroy: | |
79 | bt_ctf_stream_class_destroy(&stream_class->ref_count); | |
80 | stream_class = NULL; | |
81 | error: | |
82 | return stream_class; | |
83 | } | |
84 | ||
85 | int bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class, | |
86 | struct bt_ctf_clock *clock) | |
87 | { | |
88 | int ret = 0; | |
89 | ||
90 | if (!stream_class || !clock || stream_class->frozen) { | |
91 | ret = -1; | |
92 | goto end; | |
93 | } | |
94 | ||
95 | if (stream_class->clock) { | |
96 | bt_ctf_clock_put(stream_class->clock); | |
97 | } | |
98 | ||
99 | stream_class->clock = clock; | |
100 | bt_ctf_clock_get(clock); | |
101 | end: | |
102 | return ret; | |
103 | } | |
104 | ||
105 | int bt_ctf_stream_class_add_event_class( | |
106 | struct bt_ctf_stream_class *stream_class, | |
107 | struct bt_ctf_event_class *event_class) | |
108 | { | |
109 | int ret = 0; | |
110 | ||
111 | if (!stream_class || !event_class) { | |
112 | ret = -1; | |
113 | goto end; | |
114 | } | |
115 | ||
116 | /* Check for duplicate event classes */ | |
117 | struct search_query query = { .value = event_class, .found = 0 }; | |
118 | g_ptr_array_foreach(stream_class->event_classes, value_exists, &query); | |
119 | if (query.found) { | |
120 | ret = -1; | |
121 | goto end; | |
122 | } | |
123 | ||
124 | if (bt_ctf_event_class_set_id(event_class, | |
125 | stream_class->next_event_id++)) { | |
126 | /* The event is already associated to a stream class */ | |
127 | ret = -1; | |
128 | goto end; | |
129 | } | |
130 | ||
131 | bt_ctf_event_class_get(event_class); | |
132 | g_ptr_array_add(stream_class->event_classes, event_class); | |
133 | end: | |
134 | return ret; | |
135 | } | |
136 | ||
137 | void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class) | |
138 | { | |
139 | if (!stream_class) { | |
140 | return; | |
141 | } | |
142 | ||
143 | bt_ctf_ref_get(&stream_class->ref_count); | |
144 | } | |
145 | ||
146 | void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class) | |
147 | { | |
148 | if (!stream_class) { | |
149 | return; | |
150 | } | |
151 | ||
152 | bt_ctf_ref_put(&stream_class->ref_count, bt_ctf_stream_class_destroy); | |
153 | } | |
154 | ||
155 | BT_HIDDEN | |
156 | void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class) | |
157 | { | |
158 | if (!stream_class) { | |
159 | return; | |
160 | } | |
161 | ||
162 | stream_class->frozen = 1; | |
163 | bt_ctf_clock_freeze(stream_class->clock); | |
164 | g_ptr_array_foreach(stream_class->event_classes, | |
165 | (GFunc)bt_ctf_event_class_freeze, NULL); | |
166 | } | |
167 | ||
168 | BT_HIDDEN | |
169 | int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class, | |
170 | uint32_t id) | |
171 | { | |
172 | int ret = 0; | |
173 | ||
174 | if (!stream_class || | |
175 | (stream_class->id_set && (id != stream_class->id))) { | |
176 | ret = -1; | |
177 | goto end; | |
178 | } | |
179 | ||
180 | stream_class->id = id; | |
181 | stream_class->id_set = 1; | |
182 | end: | |
183 | return ret; | |
184 | } | |
185 | ||
186 | BT_HIDDEN | |
187 | int bt_ctf_stream_class_set_byte_order(struct bt_ctf_stream_class *stream_class, | |
188 | enum bt_ctf_byte_order byte_order) | |
189 | { | |
190 | int ret = 0; | |
191 | ||
192 | ret = init_packet_context(stream_class, byte_order); | |
193 | if (ret) { | |
194 | goto end; | |
195 | } | |
196 | ||
197 | ret = init_event_header(stream_class, byte_order); | |
198 | if (ret) { | |
199 | goto end; | |
200 | } | |
201 | end: | |
202 | return ret; | |
203 | } | |
204 | ||
205 | BT_HIDDEN | |
206 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
207 | struct metadata_context *context) | |
208 | { | |
209 | int ret = 0; | |
210 | size_t i; | |
211 | ||
212 | g_string_assign(context->field_name, ""); | |
213 | context->current_indentation_level = 1; | |
214 | if (!stream_class->id_set) { | |
215 | ret = -1; | |
216 | goto end; | |
217 | } | |
218 | ||
219 | g_string_append_printf(context->string, | |
220 | "stream {\n\tid = %" PRIu32 ";\n\tevent.header := ", | |
221 | stream_class->id); | |
222 | ret = bt_ctf_field_type_serialize(stream_class->event_header_type, | |
223 | context); | |
224 | if (ret) { | |
225 | goto end; | |
226 | } | |
227 | ||
228 | g_string_append(context->string, ";\n\n\tpacket.context := "); | |
229 | ret = bt_ctf_field_type_serialize(stream_class->packet_context_type, | |
230 | context); | |
231 | if (ret) { | |
232 | goto end; | |
233 | } | |
234 | ||
235 | if (stream_class->event_context_type) { | |
236 | g_string_append(context->string, ";\n\n\tevent.context := "); | |
237 | ret = bt_ctf_field_type_serialize( | |
238 | stream_class->event_context_type, context); | |
239 | if (ret) { | |
240 | goto end; | |
241 | } | |
242 | } | |
243 | ||
244 | g_string_append(context->string, ";\n};\n\n"); | |
245 | ||
246 | /* Assign this stream's ID to every event and serialize them */ | |
247 | g_ptr_array_foreach(stream_class->event_classes, | |
248 | (GFunc) bt_ctf_event_class_set_stream_id, | |
249 | GUINT_TO_POINTER(stream_class->id)); | |
250 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
251 | struct bt_ctf_event_class *event_class = | |
252 | stream_class->event_classes->pdata[i]; | |
253 | ||
254 | ret = bt_ctf_event_class_set_stream_id(event_class, | |
255 | stream_class->id); | |
256 | if (ret) { | |
257 | goto end; | |
258 | } | |
259 | ||
260 | ret = bt_ctf_event_class_serialize(event_class, context); | |
261 | if (ret) { | |
262 | goto end; | |
263 | } | |
264 | } | |
265 | end: | |
266 | context->current_indentation_level = 0; | |
267 | return ret; | |
268 | } | |
269 | ||
270 | BT_HIDDEN | |
271 | struct bt_ctf_stream *bt_ctf_stream_create( | |
272 | struct bt_ctf_stream_class *stream_class) | |
273 | { | |
274 | struct bt_ctf_stream *stream = NULL; | |
275 | ||
276 | if (!stream_class) { | |
277 | goto end; | |
278 | } | |
279 | ||
280 | stream = g_new0(struct bt_ctf_stream, 1); | |
281 | if (!stream) { | |
282 | goto end; | |
283 | } | |
284 | ||
285 | bt_ctf_ref_init(&stream->ref_count); | |
286 | stream->pos.fd = -1; | |
287 | stream->id = stream_class->next_stream_id++; | |
288 | stream->stream_class = stream_class; | |
289 | bt_ctf_stream_class_get(stream_class); | |
290 | bt_ctf_stream_class_freeze(stream_class); | |
291 | stream->events = g_ptr_array_new_with_free_func( | |
292 | (GDestroyNotify)bt_ctf_event_put); | |
293 | end: | |
294 | return stream; | |
295 | } | |
296 | ||
297 | BT_HIDDEN | |
298 | int bt_ctf_stream_set_flush_callback(struct bt_ctf_stream *stream, | |
299 | flush_func callback, void *data) | |
300 | { | |
301 | int ret = stream ? 0 : -1; | |
302 | ||
303 | if (!stream) { | |
304 | goto end; | |
305 | } | |
306 | ||
307 | stream->flush.func = callback; | |
308 | stream->flush.data = data; | |
309 | end: | |
310 | return ret; | |
311 | } | |
312 | ||
313 | BT_HIDDEN | |
314 | int bt_ctf_stream_set_fd(struct bt_ctf_stream *stream, int fd) | |
315 | { | |
316 | int ret = 0; | |
317 | ||
318 | if (stream->pos.fd != -1) { | |
319 | ret = -1; | |
320 | goto end; | |
321 | } | |
322 | ||
323 | ctf_init_pos(&stream->pos, NULL, fd, O_RDWR); | |
324 | stream->pos.fd = fd; | |
325 | end: | |
326 | return ret; | |
327 | } | |
328 | ||
329 | void bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream, | |
330 | uint64_t event_count) | |
331 | { | |
332 | if (!stream) { | |
333 | return; | |
334 | } | |
335 | ||
336 | stream->events_discarded += event_count; | |
337 | } | |
338 | ||
339 | int bt_ctf_stream_append_event(struct bt_ctf_stream *stream, | |
340 | struct bt_ctf_event *event) | |
341 | { | |
342 | int ret = 0; | |
343 | uint64_t timestamp; | |
344 | ||
345 | if (!stream || !event) { | |
346 | ret = -1; | |
347 | goto end; | |
348 | } | |
349 | ||
350 | ret = bt_ctf_event_validate(event); | |
351 | if (ret) { | |
352 | goto end; | |
353 | } | |
354 | ||
355 | timestamp = bt_ctf_clock_get_time(stream->stream_class->clock); | |
356 | ret = bt_ctf_event_set_timestamp(event, timestamp); | |
357 | if (ret) { | |
358 | goto end; | |
359 | } | |
360 | ||
361 | bt_ctf_event_get(event); | |
362 | g_ptr_array_add(stream->events, event); | |
363 | end: | |
364 | return ret; | |
365 | } | |
366 | ||
367 | int bt_ctf_stream_flush(struct bt_ctf_stream *stream) | |
368 | { | |
369 | int ret = 0; | |
370 | size_t i; | |
371 | uint64_t timestamp_begin, timestamp_end; | |
9f56e450 | 372 | struct bt_ctf_stream_class *stream_class; |
273b65be JG |
373 | struct bt_ctf_field *integer = NULL; |
374 | struct ctf_stream_pos packet_context_pos; | |
375 | ||
376 | if (!stream) { | |
377 | ret = -1; | |
378 | goto end; | |
379 | } | |
380 | ||
381 | if (!stream->events->len) { | |
382 | goto end; | |
383 | } | |
384 | ||
385 | if (stream->flush.func) { | |
386 | stream->flush.func(stream, stream->flush.data); | |
387 | } | |
388 | ||
9f56e450 | 389 | stream_class = stream->stream_class; |
273b65be JG |
390 | timestamp_begin = ((struct bt_ctf_event *) g_ptr_array_index( |
391 | stream->events, 0))->timestamp; | |
392 | timestamp_end = ((struct bt_ctf_event *) g_ptr_array_index( | |
393 | stream->events, stream->events->len - 1))->timestamp; | |
394 | ret = set_structure_field_integer(stream_class->packet_context, | |
395 | "timestamp_begin", timestamp_begin); | |
396 | if (ret) { | |
397 | goto end; | |
398 | } | |
399 | ||
400 | ret = set_structure_field_integer(stream_class->packet_context, | |
401 | "timestamp_end", timestamp_end); | |
402 | if (ret) { | |
403 | goto end; | |
404 | } | |
405 | ||
406 | ret = set_structure_field_integer(stream_class->packet_context, | |
407 | "events_discarded", stream->events_discarded); | |
408 | if (ret) { | |
409 | goto end; | |
410 | } | |
411 | ||
412 | ret = set_structure_field_integer(stream_class->packet_context, | |
413 | "content_size", UINT64_MAX); | |
414 | if (ret) { | |
415 | goto end; | |
416 | } | |
417 | ||
418 | ret = set_structure_field_integer(stream_class->packet_context, | |
419 | "packet_size", UINT64_MAX); | |
420 | if (ret) { | |
421 | goto end; | |
422 | } | |
423 | ||
424 | /* Write packet context */ | |
425 | memcpy(&packet_context_pos, &stream->pos, | |
426 | sizeof(struct ctf_stream_pos)); | |
427 | ret = bt_ctf_field_serialize(stream_class->packet_context, | |
428 | &stream->pos); | |
429 | if (ret) { | |
430 | goto end; | |
431 | } | |
432 | ||
433 | for (i = 0; i < stream->events->len; i++) { | |
434 | struct bt_ctf_event *event = g_ptr_array_index( | |
435 | stream->events, i); | |
436 | uint32_t event_id = bt_ctf_event_class_get_id( | |
437 | event->event_class); | |
438 | uint64_t timestamp = bt_ctf_event_get_timestamp(event); | |
439 | ||
440 | ret = set_structure_field_integer(stream_class->event_header, | |
441 | "id", event_id); | |
442 | if (ret) { | |
443 | goto end; | |
444 | } | |
445 | ret = set_structure_field_integer(stream_class->event_header, | |
446 | "timestamp", timestamp); | |
447 | if (ret) { | |
448 | goto end; | |
449 | } | |
450 | ||
451 | /* Write event header */ | |
452 | ret = bt_ctf_field_serialize(stream_class->event_header, | |
453 | &stream->pos); | |
454 | if (ret) { | |
455 | goto end; | |
456 | } | |
457 | ||
458 | /* Write event content */ | |
459 | ret = bt_ctf_event_serialize(event, &stream->pos); | |
460 | if (ret) { | |
461 | goto end; | |
462 | } | |
463 | } | |
464 | ||
465 | /* | |
466 | * Update the packet total size and content size and overwrite the | |
467 | * packet context. | |
3a092c05 JG |
468 | * Copy base_mma as the packet may have been remapped (e.g. when a |
469 | * packet is resized). | |
273b65be | 470 | */ |
3a092c05 | 471 | packet_context_pos.base_mma = stream->pos.base_mma; |
273b65be JG |
472 | ret = set_structure_field_integer(stream_class->packet_context, |
473 | "content_size", stream->pos.offset); | |
474 | if (ret) { | |
475 | goto end; | |
476 | } | |
477 | ||
478 | ret = set_structure_field_integer(stream_class->packet_context, | |
479 | "packet_size", stream->pos.packet_size); | |
480 | if (ret) { | |
481 | goto end; | |
482 | } | |
483 | ||
484 | ret = bt_ctf_field_serialize(stream_class->packet_context, | |
485 | &packet_context_pos); | |
486 | if (ret) { | |
487 | goto end; | |
488 | } | |
489 | ||
490 | g_ptr_array_set_size(stream->events, 0); | |
491 | stream->flushed_packet_count++; | |
492 | end: | |
493 | bt_ctf_field_put(integer); | |
494 | return ret; | |
495 | } | |
496 | ||
497 | void bt_ctf_stream_get(struct bt_ctf_stream *stream) | |
498 | { | |
499 | if (!stream) { | |
500 | return; | |
501 | } | |
502 | ||
503 | bt_ctf_ref_get(&stream->ref_count); | |
504 | } | |
505 | ||
506 | void bt_ctf_stream_put(struct bt_ctf_stream *stream) | |
507 | { | |
508 | if (!stream) { | |
509 | return; | |
510 | } | |
511 | ||
512 | bt_ctf_ref_put(&stream->ref_count, bt_ctf_stream_destroy); | |
513 | } | |
514 | ||
515 | static | |
516 | void bt_ctf_stream_destroy(struct bt_ctf_ref *ref) | |
517 | { | |
518 | struct bt_ctf_stream *stream; | |
519 | ||
520 | if (!ref) { | |
521 | return; | |
522 | } | |
523 | ||
524 | stream = container_of(ref, struct bt_ctf_stream, ref_count); | |
525 | ctf_fini_pos(&stream->pos); | |
9f56e450 JG |
526 | if (close(stream->pos.fd)) { |
527 | perror("close"); | |
528 | } | |
273b65be JG |
529 | bt_ctf_stream_class_put(stream->stream_class); |
530 | g_ptr_array_free(stream->events, TRUE); | |
531 | g_free(stream); | |
532 | } | |
533 | ||
534 | static | |
535 | void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref) | |
536 | { | |
537 | struct bt_ctf_stream_class *stream_class; | |
538 | ||
539 | if (!ref) { | |
540 | return; | |
541 | } | |
542 | ||
543 | stream_class = container_of(ref, struct bt_ctf_stream_class, ref_count); | |
544 | bt_ctf_clock_put(stream_class->clock); | |
545 | ||
546 | if (stream_class->event_classes) { | |
547 | g_ptr_array_free(stream_class->event_classes, TRUE); | |
548 | } | |
549 | ||
550 | if (stream_class->name) { | |
551 | g_string_free(stream_class->name, TRUE); | |
552 | } | |
553 | ||
554 | bt_ctf_field_type_put(stream_class->event_header_type); | |
555 | bt_ctf_field_put(stream_class->event_header); | |
556 | bt_ctf_field_type_put(stream_class->packet_context_type); | |
557 | bt_ctf_field_put(stream_class->packet_context); | |
558 | bt_ctf_field_type_put(stream_class->event_context_type); | |
559 | bt_ctf_field_put(stream_class->event_context); | |
560 | g_free(stream_class); | |
561 | } | |
562 | ||
563 | static | |
564 | int init_event_header(struct bt_ctf_stream_class *stream_class, | |
565 | enum bt_ctf_byte_order byte_order) | |
566 | { | |
567 | int ret = 0; | |
568 | struct bt_ctf_field_type *event_header_type = | |
569 | bt_ctf_field_type_structure_create(); | |
570 | struct bt_ctf_field_type *_uint32_t = | |
571 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
572 | struct bt_ctf_field_type *_uint64_t = | |
573 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
574 | ||
575 | if (!event_header_type) { | |
576 | ret = -1; | |
577 | goto end; | |
578 | } | |
579 | ||
580 | ret = bt_ctf_field_type_set_byte_order(_uint32_t, byte_order); | |
581 | if (ret) { | |
582 | goto end; | |
583 | } | |
584 | ||
585 | ret = bt_ctf_field_type_set_byte_order(_uint64_t, byte_order); | |
586 | if (ret) { | |
587 | goto end; | |
588 | } | |
589 | ||
590 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
591 | _uint32_t, "id"); | |
592 | if (ret) { | |
593 | goto end; | |
594 | } | |
595 | ||
596 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
597 | _uint64_t, "timestamp"); | |
598 | if (ret) { | |
599 | goto end; | |
600 | } | |
601 | ||
602 | stream_class->event_header_type = event_header_type; | |
603 | stream_class->event_header = bt_ctf_field_create( | |
604 | stream_class->event_header_type); | |
605 | if (!stream_class->event_header) { | |
606 | ret = -1; | |
607 | } | |
608 | end: | |
609 | if (ret) { | |
610 | bt_ctf_field_type_put(event_header_type); | |
611 | } | |
612 | ||
613 | bt_ctf_field_type_put(_uint32_t); | |
614 | bt_ctf_field_type_put(_uint64_t); | |
615 | return ret; | |
616 | } | |
617 | ||
618 | static | |
619 | int init_packet_context(struct bt_ctf_stream_class *stream_class, | |
620 | enum bt_ctf_byte_order byte_order) | |
621 | { | |
622 | int ret = 0; | |
623 | struct bt_ctf_field_type *packet_context_type = | |
624 | bt_ctf_field_type_structure_create(); | |
625 | struct bt_ctf_field_type *_uint64_t = | |
626 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
627 | ||
628 | if (!packet_context_type) { | |
629 | ret = -1; | |
630 | goto end; | |
631 | } | |
632 | ||
633 | /* | |
634 | * We create a stream packet context as proposed in the CTF | |
635 | * specification. | |
636 | */ | |
637 | ret = bt_ctf_field_type_set_byte_order(_uint64_t, byte_order); | |
638 | if (ret) { | |
639 | goto end; | |
640 | } | |
641 | ||
642 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
643 | _uint64_t, "timestamp_begin"); | |
644 | if (ret) { | |
645 | goto end; | |
646 | } | |
647 | ||
648 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
649 | _uint64_t, "timestamp_end"); | |
650 | if (ret) { | |
651 | goto end; | |
652 | } | |
653 | ||
654 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
655 | _uint64_t, "content_size"); | |
656 | if (ret) { | |
657 | goto end; | |
658 | } | |
659 | ||
660 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
661 | _uint64_t, "packet_size"); | |
662 | if (ret) { | |
663 | goto end; | |
664 | } | |
665 | ||
666 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
667 | _uint64_t, "events_discarded"); | |
668 | if (ret) { | |
669 | goto end; | |
670 | } | |
671 | ||
672 | stream_class->packet_context_type = packet_context_type; | |
673 | stream_class->packet_context = bt_ctf_field_create(packet_context_type); | |
674 | if (!stream_class->packet_context) { | |
675 | ret = -1; | |
676 | } | |
677 | end: | |
678 | if (ret) { | |
679 | bt_ctf_field_type_put(packet_context_type); | |
680 | goto end; | |
681 | } | |
682 | ||
683 | bt_ctf_field_type_put(_uint64_t); | |
684 | return ret; | |
685 | } | |
686 | ||
687 | static | |
688 | int set_structure_field_integer(struct bt_ctf_field *structure, char *name, | |
689 | uint64_t value) | |
690 | { | |
691 | int ret = 0; | |
692 | ||
693 | struct bt_ctf_field *integer = | |
694 | bt_ctf_field_structure_get_field(structure, name); | |
695 | if (!integer) { | |
696 | ret = -1; | |
697 | goto end; | |
698 | } | |
699 | ||
700 | ret = bt_ctf_field_unsigned_integer_set_value(integer, value); | |
701 | end: | |
702 | bt_ctf_field_put(integer); | |
703 | return ret; | |
704 | } |