Commit | Line | Data |
---|---|---|
273b65be JG |
1 | /* |
2 | * event.c | |
3 | * | |
d2dc44b6 | 4 | * Babeltrace CTF IR - Event |
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 | ||
29 | #include <babeltrace/ctf-writer/event.h> | |
30 | #include <babeltrace/ctf-writer/event-types.h> | |
31 | #include <babeltrace/ctf-writer/event-fields.h> | |
adc315b8 JG |
32 | #include <babeltrace/ctf-ir/event-fields-internal.h> |
33 | #include <babeltrace/ctf-ir/event-types-internal.h> | |
34 | #include <babeltrace/ctf-ir/event-internal.h> | |
2f100782 | 35 | #include <babeltrace/ctf-ir/stream-class.h> |
9f476966 | 36 | #include <babeltrace/ctf-ir/stream-class-internal.h> |
bc37ae52 | 37 | #include <babeltrace/ctf-ir/trace-internal.h> |
273b65be JG |
38 | #include <babeltrace/compiler.h> |
39 | ||
40 | static | |
41 | void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref); | |
42 | static | |
43 | void bt_ctf_event_destroy(struct bt_ctf_ref *ref); | |
9f476966 JG |
44 | static |
45 | int set_integer_field_value(struct bt_ctf_field *field, uint64_t value); | |
273b65be JG |
46 | |
47 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) | |
48 | { | |
49 | struct bt_ctf_event_class *event_class = NULL; | |
50 | ||
51 | if (validate_identifier(name)) { | |
52 | goto end; | |
53 | } | |
54 | ||
55 | event_class = g_new0(struct bt_ctf_event_class, 1); | |
56 | if (!event_class) { | |
57 | goto end; | |
58 | } | |
59 | ||
60 | bt_ctf_ref_init(&event_class->ref_count); | |
61 | event_class->name = g_quark_from_string(name); | |
62 | end: | |
63 | return event_class; | |
64 | } | |
65 | ||
2f100782 JG |
66 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) |
67 | { | |
68 | const char *name = NULL; | |
69 | ||
70 | if (!event_class) { | |
71 | goto end; | |
72 | } | |
73 | ||
74 | name = g_quark_to_string(event_class->name); | |
75 | end: | |
76 | return name; | |
77 | } | |
78 | ||
79 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) | |
80 | { | |
81 | int64_t ret; | |
82 | ||
83 | if (!event_class || !event_class->id_set) { | |
84 | ret = -1; | |
85 | goto end; | |
86 | } | |
87 | ||
88 | ret = (int64_t) event_class->id; | |
89 | end: | |
90 | return ret; | |
91 | } | |
92 | ||
93 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, | |
94 | uint32_t id) | |
95 | { | |
96 | int ret = 0; | |
97 | ||
98 | if (!event_class) { | |
99 | ret = -1; | |
100 | goto end; | |
101 | } | |
102 | ||
103 | if (event_class->stream_class) { | |
104 | /* | |
105 | * We don't allow changing the id if the event class has already | |
106 | * been added to a stream class. | |
107 | */ | |
108 | ret = -1; | |
109 | goto end; | |
110 | } | |
111 | ||
112 | event_class->id = id; | |
113 | event_class->id_set = 1; | |
114 | end: | |
115 | return ret; | |
116 | } | |
117 | ||
118 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( | |
119 | struct bt_ctf_event_class *event_class) | |
120 | { | |
121 | struct bt_ctf_stream_class *stream_class = NULL; | |
122 | ||
123 | if (!event_class) { | |
124 | goto end; | |
125 | } | |
126 | ||
127 | stream_class = event_class->stream_class; | |
128 | bt_ctf_stream_class_get(stream_class); | |
129 | end: | |
130 | return stream_class; | |
131 | } | |
132 | ||
273b65be JG |
133 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, |
134 | struct bt_ctf_field_type *type, | |
135 | const char *name) | |
136 | { | |
137 | int ret = 0; | |
138 | ||
139 | if (!event_class || !type || validate_identifier(name) || | |
140 | event_class->frozen) { | |
141 | ret = -1; | |
142 | goto end; | |
143 | } | |
144 | ||
145 | if (!event_class->fields) { | |
146 | event_class->fields = bt_ctf_field_type_structure_create(); | |
147 | if (!event_class->fields) { | |
148 | ret = -1; | |
149 | goto end; | |
150 | } | |
151 | } | |
152 | ||
153 | ret = bt_ctf_field_type_structure_add_field(event_class->fields, | |
154 | type, name); | |
155 | end: | |
156 | return ret; | |
157 | } | |
158 | ||
074ee56d | 159 | int bt_ctf_event_class_get_field_count( |
2f100782 JG |
160 | struct bt_ctf_event_class *event_class) |
161 | { | |
074ee56d | 162 | int ret; |
2f100782 JG |
163 | |
164 | if (!event_class) { | |
165 | ret = -1; | |
166 | goto end; | |
167 | } | |
168 | ||
169 | ret = bt_ctf_field_type_structure_get_field_count(event_class->fields); | |
170 | end: | |
171 | return ret; | |
172 | } | |
173 | ||
174 | int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class, | |
175 | const char **field_name, struct bt_ctf_field_type **field_type, | |
074ee56d | 176 | int index) |
2f100782 JG |
177 | { |
178 | int ret; | |
179 | ||
074ee56d | 180 | if (!event_class || index < 0) { |
2f100782 JG |
181 | ret = -1; |
182 | goto end; | |
183 | } | |
184 | ||
185 | ret = bt_ctf_field_type_structure_get_field(event_class->fields, | |
186 | field_name, field_type, index); | |
187 | end: | |
188 | return ret; | |
189 | } | |
190 | ||
191 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( | |
192 | struct bt_ctf_event_class *event_class, const char *name) | |
193 | { | |
194 | GQuark name_quark; | |
195 | struct bt_ctf_field_type *field_type = NULL; | |
196 | ||
197 | if (!event_class || !name) { | |
198 | goto end; | |
199 | } | |
200 | ||
201 | name_quark = g_quark_try_string(name); | |
202 | if (!name_quark) { | |
203 | goto end; | |
204 | } | |
205 | ||
206 | /* | |
207 | * No need to increment field_type's reference count since getting it | |
208 | * from the structure already does. | |
209 | */ | |
210 | field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
211 | event_class->fields, name); | |
212 | end: | |
213 | return field_type; | |
214 | } | |
215 | ||
f655a84d JG |
216 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_type( |
217 | struct bt_ctf_event_class *event_class) | |
218 | { | |
219 | struct bt_ctf_field_type *context_type = NULL; | |
220 | ||
221 | if (!event_class || !event_class->context) { | |
222 | goto end; | |
223 | } | |
224 | ||
225 | bt_ctf_field_type_get(event_class->context); | |
226 | context_type = event_class->context; | |
227 | end: | |
228 | return context_type; | |
229 | } | |
230 | ||
231 | int bt_ctf_event_class_set_context_type( | |
232 | struct bt_ctf_event_class *event_class, | |
233 | struct bt_ctf_field_type *context) | |
234 | { | |
235 | int ret = 0; | |
236 | ||
237 | if (!event_class || !context || event_class->frozen) { | |
238 | ret = -1; | |
239 | goto end; | |
240 | } | |
241 | ||
242 | if (bt_ctf_field_type_get_type_id(context) != CTF_TYPE_STRUCT) { | |
243 | ret = -1; | |
244 | goto end; | |
245 | } | |
246 | ||
247 | bt_ctf_field_type_get(context); | |
248 | bt_ctf_field_type_put(event_class->context); | |
249 | event_class->context = context; | |
250 | end: | |
251 | return ret; | |
252 | ||
253 | } | |
254 | ||
273b65be JG |
255 | void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class) |
256 | { | |
257 | if (!event_class) { | |
258 | return; | |
259 | } | |
260 | ||
261 | bt_ctf_ref_get(&event_class->ref_count); | |
262 | } | |
263 | ||
264 | void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class) | |
265 | { | |
266 | if (!event_class) { | |
267 | return; | |
268 | } | |
269 | ||
270 | bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy); | |
271 | } | |
272 | ||
273 | struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class) | |
274 | { | |
275 | struct bt_ctf_event *event = NULL; | |
276 | ||
277 | if (!event_class) { | |
278 | goto end; | |
279 | } | |
280 | ||
281 | event = g_new0(struct bt_ctf_event, 1); | |
282 | if (!event) { | |
283 | goto end; | |
284 | } | |
285 | ||
286 | bt_ctf_ref_init(&event->ref_count); | |
287 | bt_ctf_event_class_get(event_class); | |
288 | bt_ctf_event_class_freeze(event_class); | |
289 | event->event_class = event_class; | |
9f476966 JG |
290 | |
291 | assert(event_class->stream_class); | |
292 | assert(event_class->stream_class->event_header_type); | |
293 | ||
294 | event->event_header = bt_ctf_field_create( | |
295 | event_class->stream_class->event_header_type); | |
296 | if (!event->event_header) { | |
297 | goto error_destroy; | |
298 | } | |
f655a84d JG |
299 | if (event_class->context) { |
300 | event->context_payload = bt_ctf_field_create( | |
301 | event_class->context); | |
9f476966 JG |
302 | if (!event->context_payload) { |
303 | goto error_destroy; | |
304 | } | |
f655a84d | 305 | } |
273b65be | 306 | event->fields_payload = bt_ctf_field_create(event_class->fields); |
9f476966 JG |
307 | if (!event->fields_payload) { |
308 | goto error_destroy; | |
309 | } | |
273b65be | 310 | end: |
9f476966 JG |
311 | /* |
312 | * Freeze the stream class since the event header must not be changed | |
313 | * anymore. | |
314 | */ | |
315 | bt_ctf_stream_class_freeze(event_class->stream_class); | |
273b65be | 316 | return event; |
9f476966 JG |
317 | error_destroy: |
318 | bt_ctf_event_destroy(&event->ref_count); | |
319 | return NULL; | |
273b65be JG |
320 | } |
321 | ||
2f100782 JG |
322 | struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event) |
323 | { | |
324 | struct bt_ctf_event_class *event_class = NULL; | |
325 | ||
326 | if (!event) { | |
327 | goto end; | |
328 | } | |
329 | ||
330 | event_class = event->event_class; | |
331 | bt_ctf_event_class_get(event_class); | |
332 | end: | |
333 | return event_class; | |
334 | } | |
335 | ||
336 | struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event) | |
337 | { | |
338 | struct bt_ctf_clock *clock = NULL; | |
339 | struct bt_ctf_event_class *event_class; | |
340 | struct bt_ctf_stream_class *stream_class; | |
341 | ||
342 | if (!event) { | |
343 | goto end; | |
344 | } | |
345 | ||
346 | event_class = bt_ctf_event_get_class(event); | |
347 | if (!event_class) { | |
348 | goto end; | |
349 | } | |
350 | ||
351 | stream_class = bt_ctf_event_class_get_stream_class(event_class); | |
352 | if (!stream_class) { | |
353 | goto error_put_event_class; | |
354 | } | |
355 | ||
356 | clock = bt_ctf_stream_class_get_clock(stream_class); | |
357 | if (!clock) { | |
358 | goto error_put_stream_class; | |
359 | } | |
360 | ||
361 | error_put_stream_class: | |
362 | bt_ctf_stream_class_put(stream_class); | |
363 | error_put_event_class: | |
364 | bt_ctf_event_class_put(event_class); | |
365 | end: | |
366 | return clock; | |
367 | } | |
368 | ||
273b65be JG |
369 | int bt_ctf_event_set_payload(struct bt_ctf_event *event, |
370 | const char *name, | |
371 | struct bt_ctf_field *value) | |
372 | { | |
373 | int ret = 0; | |
374 | ||
375 | if (!event || !value || validate_identifier(name)) { | |
376 | ret = -1; | |
377 | goto end; | |
378 | } | |
379 | ||
380 | ret = bt_ctf_field_structure_set_field(event->fields_payload, | |
381 | name, value); | |
382 | end: | |
383 | return ret; | |
384 | } | |
385 | ||
386 | ||
387 | struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event, | |
388 | const char *name) | |
389 | { | |
390 | struct bt_ctf_field *field = NULL; | |
391 | ||
392 | if (!event || !name) { | |
393 | goto end; | |
394 | } | |
395 | ||
396 | field = bt_ctf_field_structure_get_field(event->fields_payload, name); | |
397 | end: | |
398 | return field; | |
399 | } | |
400 | ||
2f100782 | 401 | struct bt_ctf_field *bt_ctf_event_get_payload_by_index( |
074ee56d | 402 | struct bt_ctf_event *event, int index) |
2f100782 JG |
403 | { |
404 | struct bt_ctf_field *field = NULL; | |
405 | ||
074ee56d | 406 | if (!event || index < 0) { |
2f100782 JG |
407 | goto end; |
408 | } | |
409 | ||
410 | field = bt_ctf_field_structure_get_field_by_index(event->fields_payload, | |
411 | index); | |
412 | end: | |
413 | return field; | |
414 | } | |
415 | ||
9f476966 JG |
416 | struct bt_ctf_field *bt_ctf_event_get_event_header( |
417 | struct bt_ctf_event *event) | |
418 | { | |
419 | struct bt_ctf_field *header = NULL; | |
420 | ||
421 | if (!event || !event->event_header) { | |
422 | goto end; | |
423 | } | |
424 | ||
425 | header = event->event_header; | |
426 | bt_ctf_field_get(header); | |
427 | end: | |
428 | return header; | |
429 | } | |
430 | ||
431 | int bt_ctf_event_set_event_header(struct bt_ctf_event *event, | |
432 | struct bt_ctf_field *header) | |
433 | { | |
434 | int ret = 0; | |
435 | struct bt_ctf_field_type *field_type = NULL; | |
436 | ||
437 | if (!event || !header) { | |
438 | ret = -1; | |
439 | goto end; | |
440 | } | |
441 | ||
442 | /* Could be NULL since an event class doesn't own a stream class */ | |
443 | if (!event->event_class->stream_class) { | |
444 | ret = -1; | |
445 | goto end; | |
446 | } | |
447 | ||
448 | /* | |
449 | * Ensure the provided header's type matches the one registered to the | |
450 | * stream class. | |
451 | */ | |
452 | field_type = bt_ctf_field_get_type(header); | |
453 | if (field_type != event->event_class->stream_class->event_header_type) { | |
454 | ret = -1; | |
455 | goto end; | |
456 | } | |
457 | ||
458 | bt_ctf_field_get(header); | |
459 | bt_ctf_field_put(event->event_header); | |
460 | event->event_header = header; | |
461 | end: | |
462 | if (field_type) { | |
463 | bt_ctf_field_type_put(field_type); | |
464 | } | |
465 | return ret; | |
466 | } | |
467 | ||
f655a84d JG |
468 | struct bt_ctf_field *bt_ctf_event_get_event_context( |
469 | struct bt_ctf_event *event) | |
470 | { | |
471 | struct bt_ctf_field *context = NULL; | |
472 | ||
473 | if (!event || !event->context_payload) { | |
474 | goto end; | |
475 | } | |
476 | ||
477 | context = event->context_payload; | |
478 | bt_ctf_field_get(context); | |
479 | end: | |
480 | return context; | |
481 | } | |
482 | ||
483 | int bt_ctf_event_set_event_context(struct bt_ctf_event *event, | |
484 | struct bt_ctf_field *context) | |
485 | { | |
486 | int ret = 0; | |
487 | struct bt_ctf_field_type *field_type = NULL; | |
488 | ||
489 | if (!event || !context) { | |
490 | ret = -1; | |
491 | goto end; | |
492 | } | |
493 | ||
494 | field_type = bt_ctf_field_get_type(context); | |
495 | if (field_type != event->event_class->context) { | |
496 | ret = -1; | |
497 | goto end; | |
498 | } | |
499 | ||
500 | bt_ctf_field_get(context); | |
501 | bt_ctf_field_put(event->context_payload); | |
502 | event->context_payload = context; | |
503 | end: | |
504 | if (field_type) { | |
505 | bt_ctf_field_type_put(field_type); | |
506 | } | |
507 | return ret; | |
508 | } | |
509 | ||
273b65be JG |
510 | void bt_ctf_event_get(struct bt_ctf_event *event) |
511 | { | |
512 | if (!event) { | |
513 | return; | |
514 | } | |
515 | ||
516 | bt_ctf_ref_get(&event->ref_count); | |
517 | } | |
518 | ||
519 | void bt_ctf_event_put(struct bt_ctf_event *event) | |
520 | { | |
521 | if (!event) { | |
522 | return; | |
523 | } | |
524 | ||
525 | bt_ctf_ref_put(&event->ref_count, bt_ctf_event_destroy); | |
526 | } | |
527 | ||
528 | static | |
529 | void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref) | |
530 | { | |
531 | struct bt_ctf_event_class *event_class; | |
532 | ||
533 | if (!ref) { | |
534 | return; | |
535 | } | |
536 | ||
2f100782 JG |
537 | /* |
538 | * Don't call put() on the stream class. See comment in | |
539 | * bt_ctf_event_class_set_stream_class for explanation. | |
540 | */ | |
273b65be | 541 | event_class = container_of(ref, struct bt_ctf_event_class, ref_count); |
f655a84d JG |
542 | if (event_class->context) { |
543 | bt_ctf_field_type_put(event_class->context); | |
544 | } | |
545 | if (event_class->fields) { | |
546 | bt_ctf_field_type_put(event_class->fields); | |
547 | } | |
273b65be JG |
548 | g_free(event_class); |
549 | } | |
550 | ||
551 | static | |
552 | void bt_ctf_event_destroy(struct bt_ctf_ref *ref) | |
553 | { | |
554 | struct bt_ctf_event *event; | |
555 | ||
556 | if (!ref) { | |
557 | return; | |
558 | } | |
559 | ||
560 | event = container_of(ref, struct bt_ctf_event, | |
561 | ref_count); | |
f655a84d JG |
562 | if (event->event_class) { |
563 | bt_ctf_event_class_put(event->event_class); | |
564 | } | |
9f476966 JG |
565 | if (event->event_header) { |
566 | bt_ctf_field_put(event->event_header); | |
567 | } | |
f655a84d JG |
568 | if (event->context_payload) { |
569 | bt_ctf_field_put(event->context_payload); | |
570 | } | |
571 | if (event->fields_payload) { | |
572 | bt_ctf_field_put(event->fields_payload); | |
573 | } | |
273b65be JG |
574 | g_free(event); |
575 | } | |
576 | ||
9f476966 JG |
577 | static |
578 | int set_integer_field_value(struct bt_ctf_field* field, uint64_t value) | |
579 | { | |
580 | int ret = 0; | |
581 | struct bt_ctf_field_type *field_type = NULL; | |
582 | ||
583 | if (!field) { | |
584 | ret = -1; | |
585 | goto end; | |
586 | } | |
587 | ||
588 | if (!bt_ctf_field_validate(field)) { | |
589 | /* Payload already set, skip! (not an error) */ | |
590 | goto end; | |
591 | } | |
592 | ||
593 | field_type = bt_ctf_field_get_type(field); | |
594 | assert(field_type); | |
595 | ||
596 | if (bt_ctf_field_type_get_type_id(field_type) != CTF_TYPE_INTEGER) { | |
597 | /* Not an integer and the value is unset, error. */ | |
598 | ret = -1; | |
599 | goto end; | |
600 | } | |
601 | ||
602 | if (bt_ctf_field_type_integer_get_signed(field_type)) { | |
603 | ret = bt_ctf_field_signed_integer_set_value(field, (int64_t) value); | |
604 | if (ret) { | |
605 | /* Value is out of range, error. */ | |
606 | goto end; | |
607 | } | |
608 | } else { | |
609 | ret = bt_ctf_field_unsigned_integer_set_value(field, value); | |
610 | if (ret) { | |
611 | /* Value is out of range, error. */ | |
612 | goto end; | |
613 | } | |
614 | } | |
615 | end: | |
616 | bt_ctf_field_type_put(field_type); | |
617 | return ret; | |
618 | } | |
619 | ||
273b65be JG |
620 | BT_HIDDEN |
621 | void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class) | |
622 | { | |
623 | assert(event_class); | |
624 | event_class->frozen = 1; | |
625 | bt_ctf_field_type_freeze(event_class->context); | |
626 | bt_ctf_field_type_freeze(event_class->fields); | |
627 | } | |
628 | ||
629 | BT_HIDDEN | |
2f100782 JG |
630 | int bt_ctf_event_class_set_stream_class(struct bt_ctf_event_class *event_class, |
631 | struct bt_ctf_stream_class *stream_class) | |
273b65be JG |
632 | { |
633 | int ret = 0; | |
634 | ||
2f100782 | 635 | if (!event_class) { |
273b65be JG |
636 | ret = -1; |
637 | goto end; | |
638 | } | |
639 | ||
2f100782 JG |
640 | /* Allow a NULL stream_class to unset the current stream_class */ |
641 | if (stream_class && event_class->stream_class) { | |
273b65be JG |
642 | ret = -1; |
643 | goto end; | |
644 | } | |
645 | ||
2f100782 JG |
646 | event_class->stream_class = stream_class; |
647 | /* | |
648 | * We don't get() the stream_class since doing so would introduce | |
649 | * a circular ownership between event classes and stream classes. | |
650 | * | |
651 | * A stream class will always unset itself from its events before | |
652 | * being destroyed. This ensures that a user won't get a pointer | |
653 | * to a stale stream class instance from an event class. | |
654 | */ | |
273b65be JG |
655 | end: |
656 | return ret; | |
657 | } | |
658 | ||
659 | BT_HIDDEN | |
660 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, | |
661 | struct metadata_context *context) | |
662 | { | |
663 | int ret = 0; | |
2f100782 | 664 | int64_t stream_id; |
273b65be JG |
665 | |
666 | assert(event_class); | |
667 | assert(context); | |
2f100782 JG |
668 | stream_id = bt_ctf_stream_class_get_id(event_class->stream_class); |
669 | if (stream_id < 0) { | |
670 | ret = -1; | |
671 | goto end; | |
672 | } | |
673 | ||
273b65be JG |
674 | context->current_indentation_level = 1; |
675 | g_string_assign(context->field_name, ""); | |
9f476966 JG |
676 | g_string_append_printf(context->string, |
677 | "event {\n\tname = \"%s\";\n\tid = %u;\n\tstream_id = %" PRId64 ";\n", | |
273b65be JG |
678 | g_quark_to_string(event_class->name), |
679 | event_class->id, | |
2f100782 | 680 | stream_id); |
273b65be JG |
681 | |
682 | if (event_class->context) { | |
683 | g_string_append(context->string, "\tcontext := "); | |
684 | ret = bt_ctf_field_type_serialize(event_class->context, | |
685 | context); | |
686 | if (ret) { | |
687 | goto end; | |
688 | } | |
689 | g_string_append(context->string, ";\n"); | |
690 | } | |
691 | ||
692 | if (event_class->fields) { | |
693 | g_string_append(context->string, "\tfields := "); | |
694 | ret = bt_ctf_field_type_serialize(event_class->fields, context); | |
695 | if (ret) { | |
696 | goto end; | |
697 | } | |
698 | g_string_append(context->string, ";\n"); | |
699 | } | |
700 | ||
701 | g_string_append(context->string, "};\n\n"); | |
702 | end: | |
703 | context->current_indentation_level = 0; | |
704 | return ret; | |
705 | } | |
706 | ||
707 | BT_HIDDEN | |
708 | int bt_ctf_event_validate(struct bt_ctf_event *event) | |
709 | { | |
710 | /* Make sure each field's payload has been set */ | |
711 | int ret; | |
712 | ||
713 | assert(event); | |
9f476966 JG |
714 | ret = bt_ctf_field_validate(event->event_header); |
715 | if (ret) { | |
716 | goto end; | |
717 | } | |
718 | ||
273b65be JG |
719 | ret = bt_ctf_field_validate(event->fields_payload); |
720 | if (ret) { | |
721 | goto end; | |
722 | } | |
723 | ||
724 | if (event->event_class->context) { | |
725 | ret = bt_ctf_field_validate(event->context_payload); | |
726 | } | |
727 | end: | |
728 | return ret; | |
729 | } | |
730 | ||
731 | BT_HIDDEN | |
732 | int bt_ctf_event_serialize(struct bt_ctf_event *event, | |
733 | struct ctf_stream_pos *pos) | |
734 | { | |
735 | int ret = 0; | |
736 | ||
737 | assert(event); | |
738 | assert(pos); | |
739 | if (event->context_payload) { | |
740 | ret = bt_ctf_field_serialize(event->context_payload, pos); | |
741 | if (ret) { | |
742 | goto end; | |
743 | } | |
744 | } | |
745 | ||
746 | if (event->fields_payload) { | |
747 | ret = bt_ctf_field_serialize(event->fields_payload, pos); | |
748 | if (ret) { | |
749 | goto end; | |
750 | } | |
751 | } | |
752 | end: | |
753 | return ret; | |
754 | } | |
755 | ||
756 | BT_HIDDEN | |
757 | int bt_ctf_event_set_timestamp(struct bt_ctf_event *event, | |
758 | uint64_t timestamp) | |
759 | { | |
760 | int ret = 0; | |
761 | ||
762 | assert(event); | |
763 | if (event->timestamp) { | |
764 | ret = -1; | |
765 | goto end; | |
766 | } | |
767 | ||
768 | event->timestamp = timestamp; | |
769 | end: | |
770 | return ret; | |
771 | } | |
772 | ||
773 | BT_HIDDEN | |
774 | uint64_t bt_ctf_event_get_timestamp(struct bt_ctf_event *event) | |
775 | { | |
776 | assert(event); | |
777 | return event->timestamp; | |
778 | } | |
9f476966 JG |
779 | |
780 | BT_HIDDEN | |
781 | int bt_ctf_event_populate_event_header(struct bt_ctf_event *event) | |
782 | { | |
783 | int ret = 0; | |
784 | struct bt_ctf_field *id_field = NULL, *timestamp_field = NULL; | |
785 | ||
786 | if (!event) { | |
787 | ret = -1; | |
788 | goto end; | |
789 | } | |
790 | ||
791 | id_field = bt_ctf_field_structure_get_field(event->event_header, "id"); | |
792 | if (id_field) { | |
793 | ret = set_integer_field_value(id_field, | |
794 | (uint64_t) event->event_class->id); | |
795 | if (ret) { | |
796 | goto end; | |
797 | } | |
798 | } | |
799 | ||
800 | timestamp_field = bt_ctf_field_structure_get_field(event->event_header, | |
801 | "timestamp"); | |
802 | if (timestamp_field) { | |
803 | ret = set_integer_field_value(timestamp_field, | |
804 | (uint64_t) event->timestamp); | |
805 | if (ret) { | |
806 | goto end; | |
807 | } | |
808 | } | |
809 | end: | |
810 | if (id_field) { | |
811 | bt_ctf_field_put(id_field); | |
812 | } | |
813 | if (timestamp_field) { | |
814 | bt_ctf_field_put(timestamp_field); | |
815 | } | |
816 | return ret; | |
817 | } |