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> |
c35a1669 | 36 | #include <babeltrace/ctf-ir/stream-class-internal.h> |
bc37ae52 | 37 | #include <babeltrace/ctf-ir/trace-internal.h> |
654c1444 | 38 | #include <babeltrace/ctf-ir/utils.h> |
83509119 | 39 | #include <babeltrace/ref.h> |
44e0a4f5 | 40 | #include <babeltrace/ctf-ir/attributes-internal.h> |
273b65be JG |
41 | #include <babeltrace/compiler.h> |
42 | ||
43 | static | |
83509119 | 44 | void bt_ctf_event_class_destroy(struct bt_object *obj); |
273b65be | 45 | static |
83509119 | 46 | void bt_ctf_event_destroy(struct bt_object *obj); |
662e778c JG |
47 | static |
48 | int set_integer_field_value(struct bt_ctf_field *field, uint64_t value); | |
273b65be JG |
49 | |
50 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) | |
51 | { | |
b8248cc0 | 52 | int ret; |
dac5c838 | 53 | struct bt_value *obj = NULL; |
273b65be JG |
54 | struct bt_ctf_event_class *event_class = NULL; |
55 | ||
654c1444 | 56 | if (bt_ctf_validate_identifier(name)) { |
b8248cc0 | 57 | goto error; |
273b65be JG |
58 | } |
59 | ||
60 | event_class = g_new0(struct bt_ctf_event_class, 1); | |
61 | if (!event_class) { | |
b8248cc0 | 62 | goto error; |
273b65be JG |
63 | } |
64 | ||
83509119 | 65 | bt_object_init(event_class, bt_ctf_event_class_destroy); |
c5a9aa19 JG |
66 | event_class->fields = bt_ctf_field_type_structure_create(); |
67 | if (!event_class->fields) { | |
b8248cc0 | 68 | goto error; |
c5a9aa19 JG |
69 | } |
70 | ||
b8248cc0 PP |
71 | event_class->attributes = bt_ctf_attributes_create(); |
72 | if (!event_class->attributes) { | |
73 | goto error; | |
74 | } | |
75 | ||
dac5c838 | 76 | obj = bt_value_integer_create_init(-1); |
b8248cc0 PP |
77 | if (!obj) { |
78 | goto error; | |
79 | } | |
80 | ||
81 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
82 | "id", obj); | |
83 | if (ret) { | |
84 | goto error; | |
85 | } | |
86 | ||
83509119 | 87 | BT_PUT(obj); |
b8248cc0 | 88 | |
dac5c838 | 89 | obj = bt_value_string_create_init(name); |
b8248cc0 PP |
90 | if (!obj) { |
91 | goto error; | |
92 | } | |
93 | ||
94 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
95 | "name", obj); | |
96 | if (ret) { | |
97 | goto error; | |
98 | } | |
99 | ||
83509119 | 100 | BT_PUT(obj); |
b8248cc0 | 101 | |
273b65be | 102 | return event_class; |
b8248cc0 PP |
103 | |
104 | error: | |
83509119 JG |
105 | BT_PUT(event_class); |
106 | BT_PUT(obj); | |
107 | return event_class; | |
273b65be JG |
108 | } |
109 | ||
2f100782 JG |
110 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) |
111 | { | |
dac5c838 | 112 | struct bt_value *obj = NULL; |
2f100782 JG |
113 | const char *name = NULL; |
114 | ||
115 | if (!event_class) { | |
116 | goto end; | |
117 | } | |
118 | ||
b8248cc0 PP |
119 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
120 | BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX); | |
121 | if (!obj) { | |
122 | goto end; | |
123 | } | |
124 | ||
dac5c838 | 125 | if (bt_value_string_get(obj, &name)) { |
b8248cc0 PP |
126 | name = NULL; |
127 | } | |
128 | ||
2f100782 | 129 | end: |
83509119 | 130 | BT_PUT(obj); |
2f100782 JG |
131 | return name; |
132 | } | |
133 | ||
134 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) | |
135 | { | |
dac5c838 | 136 | struct bt_value *obj = NULL; |
9ea90c02 | 137 | int64_t ret = 0; |
2f100782 | 138 | |
b8248cc0 PP |
139 | if (!event_class) { |
140 | ret = -1; | |
141 | goto end; | |
142 | } | |
143 | ||
144 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, | |
145 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); | |
146 | if (!obj) { | |
147 | goto end; | |
148 | } | |
149 | ||
dac5c838 | 150 | if (bt_value_integer_get(obj, &ret)) { |
b8248cc0 PP |
151 | ret = -1; |
152 | } | |
153 | ||
154 | if (ret < 0) { | |
155 | /* means ID is not set */ | |
2f100782 JG |
156 | ret = -1; |
157 | goto end; | |
158 | } | |
159 | ||
2f100782 | 160 | end: |
83509119 | 161 | BT_PUT(obj); |
2f100782 JG |
162 | return ret; |
163 | } | |
164 | ||
165 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, | |
166 | uint32_t id) | |
167 | { | |
168 | int ret = 0; | |
dac5c838 | 169 | struct bt_value *obj = NULL; |
2f100782 JG |
170 | |
171 | if (!event_class) { | |
172 | ret = -1; | |
173 | goto end; | |
174 | } | |
175 | ||
176 | if (event_class->stream_class) { | |
177 | /* | |
178 | * We don't allow changing the id if the event class has already | |
179 | * been added to a stream class. | |
180 | */ | |
181 | ret = -1; | |
182 | goto end; | |
183 | } | |
184 | ||
b8248cc0 PP |
185 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
186 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); | |
187 | if (!obj) { | |
188 | goto end; | |
189 | } | |
190 | ||
dac5c838 | 191 | if (bt_value_integer_set(obj, id)) { |
b8248cc0 PP |
192 | ret = -1; |
193 | goto end; | |
194 | } | |
195 | ||
196 | end: | |
83509119 | 197 | BT_PUT(obj); |
b8248cc0 PP |
198 | return ret; |
199 | } | |
200 | ||
201 | int bt_ctf_event_class_set_attribute( | |
202 | struct bt_ctf_event_class *event_class, const char *name, | |
dac5c838 | 203 | struct bt_value *value) |
b8248cc0 PP |
204 | { |
205 | int ret = 0; | |
206 | ||
207 | if (!event_class || !name || !value || event_class->frozen) { | |
208 | ret = -1; | |
209 | goto end; | |
210 | } | |
211 | ||
212 | if (!strcmp(name, "id") || !strcmp(name, "loglevel")) { | |
dac5c838 | 213 | if (!bt_value_is_integer(value)) { |
b8248cc0 PP |
214 | ret = -1; |
215 | goto end; | |
216 | } | |
217 | } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri")) { | |
dac5c838 | 218 | if (!bt_value_is_string(value)) { |
b8248cc0 PP |
219 | ret = -1; |
220 | goto end; | |
221 | } | |
222 | } else { | |
223 | /* unknown attribute */ | |
224 | ret = -1; | |
225 | goto end; | |
226 | } | |
227 | ||
228 | /* "id" special case: >= 0 */ | |
229 | if (!strcmp(name, "id")) { | |
230 | int64_t val; | |
231 | ||
dac5c838 | 232 | ret = bt_value_integer_get(value, &val); |
b8248cc0 PP |
233 | |
234 | if (ret) { | |
235 | goto end; | |
236 | } | |
237 | ||
238 | if (val < 0) { | |
239 | ret = -1; | |
240 | goto end; | |
241 | } | |
242 | } | |
243 | ||
244 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
245 | name, value); | |
246 | ||
2f100782 JG |
247 | end: |
248 | return ret; | |
249 | } | |
250 | ||
b8248cc0 PP |
251 | int bt_ctf_event_class_get_attribute_count( |
252 | struct bt_ctf_event_class *event_class) | |
253 | { | |
254 | int ret = 0; | |
255 | ||
256 | if (!event_class) { | |
257 | ret = -1; | |
258 | goto end; | |
259 | } | |
260 | ||
261 | ret = bt_ctf_attributes_get_count(event_class->attributes); | |
262 | ||
263 | end: | |
264 | return ret; | |
265 | } | |
266 | ||
267 | const char * | |
268 | bt_ctf_event_class_get_attribute_name( | |
269 | struct bt_ctf_event_class *event_class, int index) | |
270 | { | |
271 | const char *ret; | |
272 | ||
273 | if (!event_class) { | |
274 | ret = NULL; | |
275 | goto end; | |
276 | } | |
277 | ||
278 | ret = bt_ctf_attributes_get_field_name(event_class->attributes, index); | |
279 | ||
280 | end: | |
281 | return ret; | |
282 | } | |
283 | ||
dac5c838 | 284 | struct bt_value * |
b8248cc0 PP |
285 | bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class, |
286 | int index) | |
287 | { | |
dac5c838 | 288 | struct bt_value *ret; |
b8248cc0 PP |
289 | |
290 | if (!event_class) { | |
291 | ret = NULL; | |
292 | goto end; | |
293 | } | |
294 | ||
295 | ret = bt_ctf_attributes_get_field_value(event_class->attributes, index); | |
296 | ||
297 | end: | |
298 | return ret; | |
299 | } | |
300 | ||
dac5c838 | 301 | struct bt_value * |
b8248cc0 PP |
302 | bt_ctf_event_class_get_attribute_value_by_name( |
303 | struct bt_ctf_event_class *event_class, const char *name) | |
304 | { | |
dac5c838 | 305 | struct bt_value *ret; |
b8248cc0 PP |
306 | |
307 | if (!event_class || !name) { | |
308 | ret = NULL; | |
309 | goto end; | |
310 | } | |
311 | ||
312 | ret = bt_ctf_attributes_get_field_value_by_name(event_class->attributes, | |
313 | name); | |
314 | ||
315 | end: | |
316 | return ret; | |
317 | ||
318 | } | |
319 | ||
2f100782 JG |
320 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( |
321 | struct bt_ctf_event_class *event_class) | |
322 | { | |
323 | struct bt_ctf_stream_class *stream_class = NULL; | |
324 | ||
325 | if (!event_class) { | |
326 | goto end; | |
327 | } | |
328 | ||
329 | stream_class = event_class->stream_class; | |
83509119 | 330 | bt_get(stream_class); |
2f100782 JG |
331 | end: |
332 | return stream_class; | |
333 | } | |
334 | ||
c5a9aa19 JG |
335 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type( |
336 | struct bt_ctf_event_class *event_class) | |
337 | { | |
338 | struct bt_ctf_field_type *payload = NULL; | |
339 | ||
340 | if (!event_class) { | |
341 | goto end; | |
342 | } | |
343 | ||
83509119 | 344 | bt_get(event_class->fields); |
c5a9aa19 JG |
345 | payload = event_class->fields; |
346 | end: | |
347 | return payload; | |
348 | } | |
349 | ||
350 | int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class, | |
351 | struct bt_ctf_field_type *payload) | |
352 | { | |
353 | int ret = 0; | |
354 | ||
d2127f80 JG |
355 | if (!event_class || !payload || |
356 | bt_ctf_field_type_get_type_id(payload) != CTF_TYPE_STRUCT) { | |
c5a9aa19 JG |
357 | ret = -1; |
358 | goto end; | |
359 | } | |
360 | ||
83509119 JG |
361 | bt_get(payload); |
362 | bt_put(event_class->fields); | |
c5a9aa19 JG |
363 | event_class->fields = payload; |
364 | end: | |
365 | return ret; | |
366 | } | |
367 | ||
273b65be JG |
368 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, |
369 | struct bt_ctf_field_type *type, | |
370 | const char *name) | |
371 | { | |
372 | int ret = 0; | |
373 | ||
654c1444 | 374 | if (!event_class || !type || bt_ctf_validate_identifier(name) || |
273b65be JG |
375 | event_class->frozen) { |
376 | ret = -1; | |
377 | goto end; | |
378 | } | |
379 | ||
c5a9aa19 JG |
380 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
381 | CTF_TYPE_STRUCT) { | |
382 | ret = -1; | |
383 | goto end; | |
273b65be JG |
384 | } |
385 | ||
386 | ret = bt_ctf_field_type_structure_add_field(event_class->fields, | |
387 | type, name); | |
388 | end: | |
389 | return ret; | |
390 | } | |
391 | ||
074ee56d | 392 | int bt_ctf_event_class_get_field_count( |
2f100782 JG |
393 | struct bt_ctf_event_class *event_class) |
394 | { | |
074ee56d | 395 | int ret; |
2f100782 JG |
396 | |
397 | if (!event_class) { | |
398 | ret = -1; | |
399 | goto end; | |
400 | } | |
401 | ||
c5a9aa19 JG |
402 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
403 | CTF_TYPE_STRUCT) { | |
404 | ret = -1; | |
405 | goto end; | |
406 | } | |
407 | ||
2f100782 JG |
408 | ret = bt_ctf_field_type_structure_get_field_count(event_class->fields); |
409 | end: | |
410 | return ret; | |
411 | } | |
412 | ||
413 | int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class, | |
414 | const char **field_name, struct bt_ctf_field_type **field_type, | |
074ee56d | 415 | int index) |
2f100782 JG |
416 | { |
417 | int ret; | |
418 | ||
074ee56d | 419 | if (!event_class || index < 0) { |
2f100782 JG |
420 | ret = -1; |
421 | goto end; | |
422 | } | |
423 | ||
c5a9aa19 JG |
424 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
425 | CTF_TYPE_STRUCT) { | |
426 | ret = -1; | |
427 | goto end; | |
428 | } | |
429 | ||
2f100782 JG |
430 | ret = bt_ctf_field_type_structure_get_field(event_class->fields, |
431 | field_name, field_type, index); | |
432 | end: | |
433 | return ret; | |
434 | } | |
435 | ||
436 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( | |
437 | struct bt_ctf_event_class *event_class, const char *name) | |
438 | { | |
439 | GQuark name_quark; | |
440 | struct bt_ctf_field_type *field_type = NULL; | |
441 | ||
442 | if (!event_class || !name) { | |
443 | goto end; | |
444 | } | |
445 | ||
c5a9aa19 JG |
446 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
447 | CTF_TYPE_STRUCT) { | |
448 | goto end; | |
449 | } | |
450 | ||
2f100782 JG |
451 | name_quark = g_quark_try_string(name); |
452 | if (!name_quark) { | |
453 | goto end; | |
454 | } | |
455 | ||
456 | /* | |
457 | * No need to increment field_type's reference count since getting it | |
458 | * from the structure already does. | |
459 | */ | |
460 | field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
461 | event_class->fields, name); | |
462 | end: | |
463 | return field_type; | |
464 | } | |
465 | ||
f655a84d JG |
466 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_type( |
467 | struct bt_ctf_event_class *event_class) | |
468 | { | |
469 | struct bt_ctf_field_type *context_type = NULL; | |
470 | ||
471 | if (!event_class || !event_class->context) { | |
472 | goto end; | |
473 | } | |
474 | ||
83509119 | 475 | bt_get(event_class->context); |
f655a84d JG |
476 | context_type = event_class->context; |
477 | end: | |
478 | return context_type; | |
479 | } | |
480 | ||
481 | int bt_ctf_event_class_set_context_type( | |
482 | struct bt_ctf_event_class *event_class, | |
483 | struct bt_ctf_field_type *context) | |
484 | { | |
485 | int ret = 0; | |
486 | ||
487 | if (!event_class || !context || event_class->frozen) { | |
488 | ret = -1; | |
489 | goto end; | |
490 | } | |
491 | ||
492 | if (bt_ctf_field_type_get_type_id(context) != CTF_TYPE_STRUCT) { | |
493 | ret = -1; | |
494 | goto end; | |
495 | } | |
496 | ||
83509119 JG |
497 | bt_get(context); |
498 | bt_put(event_class->context); | |
f655a84d JG |
499 | event_class->context = context; |
500 | end: | |
501 | return ret; | |
502 | ||
503 | } | |
504 | ||
273b65be JG |
505 | void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class) |
506 | { | |
83509119 | 507 | bt_get(event_class); |
273b65be JG |
508 | } |
509 | ||
510 | void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class) | |
511 | { | |
83509119 | 512 | bt_put(event_class); |
273b65be JG |
513 | } |
514 | ||
29664b2a PP |
515 | BT_HIDDEN |
516 | int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class, | |
517 | uint32_t stream_id) | |
518 | { | |
519 | int ret = 0; | |
dac5c838 | 520 | struct bt_value *obj; |
29664b2a | 521 | |
dac5c838 | 522 | obj = bt_value_integer_create_init(stream_id); |
29664b2a PP |
523 | |
524 | if (!obj) { | |
525 | ret = -1; | |
526 | goto end; | |
527 | } | |
528 | ||
529 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
530 | "stream_id", obj); | |
531 | ||
532 | end: | |
83509119 | 533 | BT_PUT(obj); |
29664b2a PP |
534 | return ret; |
535 | } | |
536 | ||
273b65be JG |
537 | struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class) |
538 | { | |
539 | struct bt_ctf_event *event = NULL; | |
540 | ||
541 | if (!event_class) { | |
542 | goto end; | |
543 | } | |
544 | ||
662e778c JG |
545 | /* |
546 | * The event class does not keep ownership of the stream class to | |
547 | * which it as been added. Therefore, it can't assume it has been | |
548 | * set. However, we disallow the creation of an event if its | |
549 | * associated stream class has been reclaimed. | |
550 | */ | |
551 | if (!event_class->stream_class) { | |
b8248cc0 | 552 | goto end; |
662e778c JG |
553 | } |
554 | assert(event_class->stream_class->event_header_type); | |
b8248cc0 PP |
555 | event = g_new0(struct bt_ctf_event, 1); |
556 | if (!event) { | |
557 | goto end; | |
558 | } | |
559 | ||
83509119 JG |
560 | bt_object_init(event, bt_ctf_event_destroy); |
561 | bt_get(event_class); | |
b8248cc0 PP |
562 | bt_ctf_event_class_freeze(event_class); |
563 | event->event_class = event_class; | |
564 | ||
662e778c JG |
565 | event->event_header = bt_ctf_field_create( |
566 | event_class->stream_class->event_header_type); | |
567 | if (!event->event_header) { | |
83509119 | 568 | goto error; |
662e778c | 569 | } |
f655a84d JG |
570 | if (event_class->context) { |
571 | event->context_payload = bt_ctf_field_create( | |
572 | event_class->context); | |
662e778c | 573 | if (!event->context_payload) { |
83509119 | 574 | goto error; |
662e778c | 575 | } |
f655a84d | 576 | } |
273b65be | 577 | event->fields_payload = bt_ctf_field_create(event_class->fields); |
662e778c | 578 | if (!event->fields_payload) { |
83509119 | 579 | goto error; |
662e778c JG |
580 | } |
581 | ||
582 | /* | |
583 | * Freeze the stream class since the event header must not be changed | |
584 | * anymore. | |
585 | */ | |
586 | bt_ctf_stream_class_freeze(event_class->stream_class); | |
273b65be JG |
587 | end: |
588 | return event; | |
83509119 JG |
589 | error: |
590 | BT_PUT(event); | |
591 | return event; | |
273b65be JG |
592 | } |
593 | ||
2f100782 JG |
594 | struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event) |
595 | { | |
596 | struct bt_ctf_event_class *event_class = NULL; | |
597 | ||
598 | if (!event) { | |
599 | goto end; | |
600 | } | |
601 | ||
602 | event_class = event->event_class; | |
83509119 | 603 | bt_get(event_class); |
2f100782 JG |
604 | end: |
605 | return event_class; | |
606 | } | |
607 | ||
8e5003bb JG |
608 | struct bt_ctf_stream *bt_ctf_event_get_stream(struct bt_ctf_event *event) |
609 | { | |
610 | struct bt_ctf_stream *stream = NULL; | |
611 | ||
612 | if (!event) { | |
613 | goto end; | |
614 | } | |
615 | ||
616 | stream = event->stream; | |
83509119 | 617 | bt_get(stream); |
8e5003bb JG |
618 | end: |
619 | return stream; | |
620 | } | |
621 | ||
2f100782 JG |
622 | struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event) |
623 | { | |
624 | struct bt_ctf_clock *clock = NULL; | |
625 | struct bt_ctf_event_class *event_class; | |
626 | struct bt_ctf_stream_class *stream_class; | |
627 | ||
628 | if (!event) { | |
629 | goto end; | |
630 | } | |
631 | ||
632 | event_class = bt_ctf_event_get_class(event); | |
633 | if (!event_class) { | |
634 | goto end; | |
635 | } | |
636 | ||
637 | stream_class = bt_ctf_event_class_get_stream_class(event_class); | |
638 | if (!stream_class) { | |
639 | goto error_put_event_class; | |
640 | } | |
641 | ||
642 | clock = bt_ctf_stream_class_get_clock(stream_class); | |
643 | if (!clock) { | |
644 | goto error_put_stream_class; | |
645 | } | |
646 | ||
647 | error_put_stream_class: | |
83509119 | 648 | bt_put(stream_class); |
2f100782 | 649 | error_put_event_class: |
83509119 | 650 | bt_put(event_class); |
2f100782 JG |
651 | end: |
652 | return clock; | |
653 | } | |
654 | ||
273b65be JG |
655 | int bt_ctf_event_set_payload(struct bt_ctf_event *event, |
656 | const char *name, | |
c5a9aa19 | 657 | struct bt_ctf_field *payload) |
273b65be JG |
658 | { |
659 | int ret = 0; | |
660 | ||
c5a9aa19 | 661 | if (!event || !payload) { |
273b65be JG |
662 | ret = -1; |
663 | goto end; | |
664 | } | |
665 | ||
c5a9aa19 JG |
666 | if (name) { |
667 | ret = bt_ctf_field_structure_set_field(event->fields_payload, | |
668 | name, payload); | |
669 | } else { | |
670 | struct bt_ctf_field_type *payload_type; | |
671 | ||
672 | payload_type = bt_ctf_field_get_type(payload); | |
673 | if (payload_type == event->event_class->fields) { | |
83509119 JG |
674 | bt_put(event->fields_payload); |
675 | bt_get(payload); | |
c5a9aa19 JG |
676 | event->fields_payload = payload; |
677 | } else { | |
678 | ret = -1; | |
679 | } | |
680 | ||
83509119 | 681 | bt_put(payload_type); |
c5a9aa19 | 682 | } |
273b65be JG |
683 | end: |
684 | return ret; | |
685 | } | |
686 | ||
71362d53 PP |
687 | struct bt_ctf_field *bt_ctf_event_get_payload_field(struct bt_ctf_event *event) |
688 | { | |
689 | struct bt_ctf_field *payload = NULL; | |
690 | ||
691 | if (!event || !event->fields_payload) { | |
692 | goto end; | |
693 | } | |
694 | ||
695 | payload = event->fields_payload; | |
83509119 | 696 | bt_get(payload); |
71362d53 PP |
697 | end: |
698 | return payload; | |
699 | } | |
273b65be | 700 | |
e5e6eb3a JG |
701 | int bt_ctf_event_set_payload_field(struct bt_ctf_event *event, |
702 | struct bt_ctf_field *payload) | |
703 | { | |
704 | int ret = 0; | |
705 | struct bt_ctf_field_type *payload_type = NULL; | |
706 | ||
707 | if (!event || !payload) { | |
708 | ret = -1; | |
709 | goto end; | |
710 | } | |
711 | ||
712 | payload_type = bt_ctf_field_get_type(payload); | |
713 | if (!payload_type) { | |
714 | ret = -1; | |
715 | goto end; | |
716 | } | |
717 | ||
718 | if (bt_ctf_field_type_get_type_id(payload_type) != CTF_TYPE_STRUCT) { | |
719 | ret = -1; | |
720 | goto end; | |
721 | } | |
722 | ||
83509119 JG |
723 | bt_get(payload); |
724 | bt_put(event->fields_payload); | |
e5e6eb3a JG |
725 | event->fields_payload = payload; |
726 | ||
727 | end: | |
83509119 | 728 | bt_put(payload_type); |
e5e6eb3a JG |
729 | return ret; |
730 | } | |
731 | ||
273b65be JG |
732 | struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event, |
733 | const char *name) | |
734 | { | |
735 | struct bt_ctf_field *field = NULL; | |
736 | ||
c5a9aa19 | 737 | if (!event) { |
273b65be JG |
738 | goto end; |
739 | } | |
740 | ||
c5a9aa19 JG |
741 | if (name) { |
742 | field = bt_ctf_field_structure_get_field(event->fields_payload, | |
743 | name); | |
744 | } else { | |
745 | field = event->fields_payload; | |
83509119 | 746 | bt_get(field); |
c5a9aa19 | 747 | } |
273b65be JG |
748 | end: |
749 | return field; | |
750 | } | |
751 | ||
2f100782 | 752 | struct bt_ctf_field *bt_ctf_event_get_payload_by_index( |
074ee56d | 753 | struct bt_ctf_event *event, int index) |
2f100782 JG |
754 | { |
755 | struct bt_ctf_field *field = NULL; | |
756 | ||
074ee56d | 757 | if (!event || index < 0) { |
2f100782 JG |
758 | goto end; |
759 | } | |
760 | ||
761 | field = bt_ctf_field_structure_get_field_by_index(event->fields_payload, | |
762 | index); | |
763 | end: | |
764 | return field; | |
765 | } | |
766 | ||
286a2840 | 767 | struct bt_ctf_field *bt_ctf_event_get_header( |
662e778c JG |
768 | struct bt_ctf_event *event) |
769 | { | |
770 | struct bt_ctf_field *header = NULL; | |
771 | ||
772 | if (!event || !event->event_header) { | |
773 | goto end; | |
774 | } | |
775 | ||
776 | header = event->event_header; | |
83509119 | 777 | bt_get(header); |
662e778c JG |
778 | end: |
779 | return header; | |
780 | } | |
781 | ||
286a2840 | 782 | int bt_ctf_event_set_header(struct bt_ctf_event *event, |
662e778c JG |
783 | struct bt_ctf_field *header) |
784 | { | |
785 | int ret = 0; | |
786 | struct bt_ctf_field_type *field_type = NULL; | |
787 | ||
788 | if (!event || !header) { | |
789 | ret = -1; | |
790 | goto end; | |
791 | } | |
792 | ||
793 | /* Could be NULL since an event class doesn't own a stream class */ | |
794 | if (!event->event_class->stream_class) { | |
795 | ret = -1; | |
796 | goto end; | |
797 | } | |
798 | ||
799 | /* | |
800 | * Ensure the provided header's type matches the one registered to the | |
801 | * stream class. | |
802 | */ | |
803 | field_type = bt_ctf_field_get_type(header); | |
804 | if (field_type != event->event_class->stream_class->event_header_type) { | |
805 | ret = -1; | |
806 | goto end; | |
807 | } | |
808 | ||
83509119 JG |
809 | bt_get(header); |
810 | bt_put(event->event_header); | |
662e778c JG |
811 | event->event_header = header; |
812 | end: | |
83509119 | 813 | bt_put(field_type); |
662e778c JG |
814 | return ret; |
815 | } | |
816 | ||
f655a84d JG |
817 | struct bt_ctf_field *bt_ctf_event_get_event_context( |
818 | struct bt_ctf_event *event) | |
819 | { | |
820 | struct bt_ctf_field *context = NULL; | |
821 | ||
822 | if (!event || !event->context_payload) { | |
823 | goto end; | |
824 | } | |
825 | ||
826 | context = event->context_payload; | |
83509119 | 827 | bt_get(context); |
f655a84d JG |
828 | end: |
829 | return context; | |
830 | } | |
831 | ||
832 | int bt_ctf_event_set_event_context(struct bt_ctf_event *event, | |
833 | struct bt_ctf_field *context) | |
834 | { | |
835 | int ret = 0; | |
836 | struct bt_ctf_field_type *field_type = NULL; | |
837 | ||
838 | if (!event || !context) { | |
839 | ret = -1; | |
840 | goto end; | |
841 | } | |
842 | ||
843 | field_type = bt_ctf_field_get_type(context); | |
844 | if (field_type != event->event_class->context) { | |
845 | ret = -1; | |
846 | goto end; | |
847 | } | |
848 | ||
83509119 JG |
849 | bt_get(context); |
850 | bt_put(event->context_payload); | |
f655a84d JG |
851 | event->context_payload = context; |
852 | end: | |
83509119 | 853 | bt_put(field_type); |
f655a84d JG |
854 | return ret; |
855 | } | |
856 | ||
273b65be JG |
857 | void bt_ctf_event_get(struct bt_ctf_event *event) |
858 | { | |
83509119 | 859 | bt_get(event); |
273b65be JG |
860 | } |
861 | ||
862 | void bt_ctf_event_put(struct bt_ctf_event *event) | |
863 | { | |
83509119 | 864 | bt_put(event); |
273b65be JG |
865 | } |
866 | ||
867 | static | |
83509119 | 868 | void bt_ctf_event_class_destroy(struct bt_object *obj) |
273b65be JG |
869 | { |
870 | struct bt_ctf_event_class *event_class; | |
273b65be | 871 | |
2f100782 JG |
872 | /* |
873 | * Don't call put() on the stream class. See comment in | |
874 | * bt_ctf_event_class_set_stream_class for explanation. | |
875 | */ | |
83509119 JG |
876 | event_class = container_of(obj, struct bt_ctf_event_class, base); |
877 | bt_ctf_attributes_destroy(event_class->attributes); | |
878 | bt_put(event_class->context); | |
879 | bt_put(event_class->fields); | |
273b65be JG |
880 | g_free(event_class); |
881 | } | |
882 | ||
883 | static | |
83509119 | 884 | void bt_ctf_event_destroy(struct bt_object *obj) |
273b65be JG |
885 | { |
886 | struct bt_ctf_event *event; | |
887 | ||
83509119 JG |
888 | event = container_of(obj, struct bt_ctf_event, base); |
889 | bt_put(event->event_class); | |
890 | bt_put(event->event_header); | |
891 | bt_put(event->context_payload); | |
892 | bt_put(event->fields_payload); | |
273b65be JG |
893 | g_free(event); |
894 | } | |
895 | ||
662e778c JG |
896 | static |
897 | int set_integer_field_value(struct bt_ctf_field* field, uint64_t value) | |
898 | { | |
899 | int ret = 0; | |
900 | struct bt_ctf_field_type *field_type = NULL; | |
901 | ||
902 | if (!field) { | |
903 | ret = -1; | |
904 | goto end; | |
905 | } | |
906 | ||
907 | if (!bt_ctf_field_validate(field)) { | |
908 | /* Payload already set, skip! (not an error) */ | |
909 | goto end; | |
910 | } | |
911 | ||
912 | field_type = bt_ctf_field_get_type(field); | |
913 | assert(field_type); | |
914 | ||
915 | if (bt_ctf_field_type_get_type_id(field_type) != CTF_TYPE_INTEGER) { | |
916 | /* Not an integer and the value is unset, error. */ | |
917 | ret = -1; | |
918 | goto end; | |
919 | } | |
920 | ||
921 | if (bt_ctf_field_type_integer_get_signed(field_type)) { | |
922 | ret = bt_ctf_field_signed_integer_set_value(field, (int64_t) value); | |
923 | if (ret) { | |
924 | /* Value is out of range, error. */ | |
925 | goto end; | |
926 | } | |
927 | } else { | |
928 | ret = bt_ctf_field_unsigned_integer_set_value(field, value); | |
929 | if (ret) { | |
930 | /* Value is out of range, error. */ | |
931 | goto end; | |
932 | } | |
933 | } | |
934 | end: | |
83509119 | 935 | bt_put(field_type); |
662e778c JG |
936 | return ret; |
937 | } | |
938 | ||
273b65be JG |
939 | BT_HIDDEN |
940 | void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class) | |
941 | { | |
942 | assert(event_class); | |
943 | event_class->frozen = 1; | |
944 | bt_ctf_field_type_freeze(event_class->context); | |
945 | bt_ctf_field_type_freeze(event_class->fields); | |
b8248cc0 | 946 | bt_ctf_attributes_freeze(event_class->attributes); |
273b65be JG |
947 | } |
948 | ||
949 | BT_HIDDEN | |
2f100782 JG |
950 | int bt_ctf_event_class_set_stream_class(struct bt_ctf_event_class *event_class, |
951 | struct bt_ctf_stream_class *stream_class) | |
273b65be JG |
952 | { |
953 | int ret = 0; | |
954 | ||
2f100782 | 955 | if (!event_class) { |
273b65be JG |
956 | ret = -1; |
957 | goto end; | |
958 | } | |
959 | ||
2f100782 JG |
960 | /* Allow a NULL stream_class to unset the current stream_class */ |
961 | if (stream_class && event_class->stream_class) { | |
273b65be JG |
962 | ret = -1; |
963 | goto end; | |
964 | } | |
965 | ||
2f100782 JG |
966 | event_class->stream_class = stream_class; |
967 | /* | |
968 | * We don't get() the stream_class since doing so would introduce | |
969 | * a circular ownership between event classes and stream classes. | |
970 | * | |
971 | * A stream class will always unset itself from its events before | |
972 | * being destroyed. This ensures that a user won't get a pointer | |
973 | * to a stale stream class instance from an event class. | |
974 | */ | |
273b65be JG |
975 | end: |
976 | return ret; | |
977 | } | |
978 | ||
979 | BT_HIDDEN | |
980 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, | |
981 | struct metadata_context *context) | |
982 | { | |
b8248cc0 PP |
983 | int i; |
984 | int count; | |
273b65be | 985 | int ret = 0; |
dac5c838 | 986 | struct bt_value *attr_value = NULL; |
273b65be JG |
987 | |
988 | assert(event_class); | |
989 | assert(context); | |
b8248cc0 PP |
990 | |
991 | context->current_indentation_level = 1; | |
992 | g_string_assign(context->field_name, ""); | |
993 | g_string_append(context->string, "event {\n"); | |
994 | count = bt_ctf_event_class_get_attribute_count(event_class); | |
995 | ||
996 | if (count < 0) { | |
2f100782 JG |
997 | ret = -1; |
998 | goto end; | |
999 | } | |
1000 | ||
b8248cc0 PP |
1001 | for (i = 0; i < count; ++i) { |
1002 | const char *attr_name = NULL; | |
1003 | ||
1004 | attr_name = bt_ctf_event_class_get_attribute_name( | |
1005 | event_class, i); | |
1006 | attr_value = bt_ctf_event_class_get_attribute_value( | |
1007 | event_class, i); | |
1008 | ||
1009 | if (!attr_name || !attr_value) { | |
1010 | ret = -1; | |
1011 | goto end; | |
1012 | } | |
1013 | ||
dac5c838 PP |
1014 | switch (bt_value_get_type(attr_value)) { |
1015 | case BT_VALUE_TYPE_INTEGER: | |
b8248cc0 PP |
1016 | { |
1017 | int64_t value; | |
1018 | ||
dac5c838 | 1019 | ret = bt_value_integer_get(attr_value, &value); |
b8248cc0 PP |
1020 | |
1021 | if (ret) { | |
1022 | goto end; | |
1023 | } | |
1024 | ||
1025 | g_string_append_printf(context->string, | |
1026 | "\t%s = %" PRId64 ";\n", attr_name, value); | |
1027 | break; | |
1028 | } | |
1029 | ||
dac5c838 | 1030 | case BT_VALUE_TYPE_STRING: |
b8248cc0 PP |
1031 | { |
1032 | const char *value; | |
1033 | ||
dac5c838 | 1034 | ret = bt_value_string_get(attr_value, &value); |
b8248cc0 PP |
1035 | |
1036 | if (ret) { | |
1037 | goto end; | |
1038 | } | |
1039 | ||
1040 | g_string_append_printf(context->string, | |
1041 | "\t%s = \"%s\";\n", attr_name, value); | |
1042 | break; | |
1043 | } | |
1044 | ||
1045 | default: | |
1046 | /* should never happen */ | |
1047 | assert(false); | |
1048 | break; | |
1049 | } | |
1050 | ||
83509119 | 1051 | BT_PUT(attr_value); |
b8248cc0 | 1052 | } |
273b65be JG |
1053 | |
1054 | if (event_class->context) { | |
1055 | g_string_append(context->string, "\tcontext := "); | |
1056 | ret = bt_ctf_field_type_serialize(event_class->context, | |
1057 | context); | |
1058 | if (ret) { | |
1059 | goto end; | |
1060 | } | |
1061 | g_string_append(context->string, ";\n"); | |
1062 | } | |
1063 | ||
1064 | if (event_class->fields) { | |
1065 | g_string_append(context->string, "\tfields := "); | |
1066 | ret = bt_ctf_field_type_serialize(event_class->fields, context); | |
1067 | if (ret) { | |
1068 | goto end; | |
1069 | } | |
1070 | g_string_append(context->string, ";\n"); | |
1071 | } | |
1072 | ||
1073 | g_string_append(context->string, "};\n\n"); | |
1074 | end: | |
1075 | context->current_indentation_level = 0; | |
83509119 | 1076 | BT_PUT(attr_value); |
273b65be JG |
1077 | return ret; |
1078 | } | |
1079 | ||
c35a1669 JG |
1080 | void bt_ctf_event_class_set_native_byte_order( |
1081 | struct bt_ctf_event_class *event_class, | |
1082 | int byte_order) | |
1083 | { | |
1084 | if (!event_class) { | |
1085 | return; | |
1086 | } | |
1087 | ||
1088 | bt_ctf_field_type_set_native_byte_order(event_class->context, | |
1089 | byte_order); | |
1090 | bt_ctf_field_type_set_native_byte_order(event_class->fields, | |
1091 | byte_order); | |
1092 | } | |
1093 | ||
273b65be JG |
1094 | BT_HIDDEN |
1095 | int bt_ctf_event_validate(struct bt_ctf_event *event) | |
1096 | { | |
1097 | /* Make sure each field's payload has been set */ | |
1098 | int ret; | |
1099 | ||
1100 | assert(event); | |
662e778c JG |
1101 | ret = bt_ctf_field_validate(event->event_header); |
1102 | if (ret) { | |
1103 | goto end; | |
1104 | } | |
1105 | ||
273b65be JG |
1106 | ret = bt_ctf_field_validate(event->fields_payload); |
1107 | if (ret) { | |
1108 | goto end; | |
1109 | } | |
1110 | ||
1111 | if (event->event_class->context) { | |
1112 | ret = bt_ctf_field_validate(event->context_payload); | |
1113 | } | |
1114 | end: | |
1115 | return ret; | |
1116 | } | |
1117 | ||
1118 | BT_HIDDEN | |
1119 | int bt_ctf_event_serialize(struct bt_ctf_event *event, | |
1120 | struct ctf_stream_pos *pos) | |
1121 | { | |
1122 | int ret = 0; | |
1123 | ||
1124 | assert(event); | |
1125 | assert(pos); | |
1126 | if (event->context_payload) { | |
1127 | ret = bt_ctf_field_serialize(event->context_payload, pos); | |
1128 | if (ret) { | |
1129 | goto end; | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | if (event->fields_payload) { | |
1134 | ret = bt_ctf_field_serialize(event->fields_payload, pos); | |
1135 | if (ret) { | |
1136 | goto end; | |
1137 | } | |
1138 | } | |
1139 | end: | |
1140 | return ret; | |
1141 | } | |
1142 | ||
662e778c JG |
1143 | BT_HIDDEN |
1144 | int bt_ctf_event_populate_event_header(struct bt_ctf_event *event) | |
1145 | { | |
1146 | int ret = 0; | |
1147 | struct bt_ctf_field *id_field = NULL, *timestamp_field = NULL; | |
1148 | ||
1149 | if (!event) { | |
1150 | ret = -1; | |
1151 | goto end; | |
1152 | } | |
1153 | ||
1154 | id_field = bt_ctf_field_structure_get_field(event->event_header, "id"); | |
1155 | if (id_field) { | |
1156 | ret = set_integer_field_value(id_field, | |
b8248cc0 PP |
1157 | (uint64_t) bt_ctf_event_class_get_id( |
1158 | event->event_class)); | |
662e778c JG |
1159 | if (ret) { |
1160 | goto end; | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | timestamp_field = bt_ctf_field_structure_get_field(event->event_header, | |
1165 | "timestamp"); | |
1166 | if (timestamp_field) { | |
9a220c32 JG |
1167 | struct bt_ctf_field_type *timestamp_field_type = |
1168 | bt_ctf_field_get_type(timestamp_field); | |
1169 | struct bt_ctf_clock *mapped_clock; | |
1170 | ||
1171 | assert(timestamp_field_type); | |
1172 | mapped_clock = bt_ctf_field_type_integer_get_mapped_clock( | |
1173 | timestamp_field_type); | |
83509119 | 1174 | bt_put(timestamp_field_type); |
9a220c32 JG |
1175 | if (mapped_clock) { |
1176 | uint64_t timestamp = bt_ctf_clock_get_time( | |
1177 | mapped_clock); | |
1178 | ||
83509119 | 1179 | bt_put(mapped_clock); |
9a220c32 JG |
1180 | if (timestamp == (uint64_t) -1ULL) { |
1181 | goto end; | |
1182 | } | |
1183 | ||
1184 | ret = set_integer_field_value(timestamp_field, | |
1185 | timestamp); | |
1186 | if (ret) { | |
1187 | goto end; | |
1188 | } | |
662e778c JG |
1189 | } |
1190 | } | |
1191 | end: | |
83509119 JG |
1192 | bt_put(id_field); |
1193 | bt_put(timestamp_field); | |
662e778c JG |
1194 | return ret; |
1195 | } | |
123fbdec JG |
1196 | |
1197 | BT_HIDDEN | |
1198 | int bt_ctf_event_set_stream(struct bt_ctf_event *event, | |
1199 | struct bt_ctf_stream *stream) | |
1200 | { | |
1201 | int ret = 0; | |
1202 | ||
1203 | if (!event) { | |
1204 | ret = -1; | |
1205 | goto end; | |
1206 | } | |
1207 | ||
1208 | if (event->stream && stream) { | |
1209 | /* Already attached to a stream */ | |
1210 | ret = -1; | |
1211 | goto end; | |
1212 | } | |
1213 | ||
1214 | event->stream = stream; | |
1215 | end: | |
1216 | return ret; | |
1217 | } | |
9c4c8f6e PP |
1218 | |
1219 | struct bt_ctf_event *bt_ctf_event_copy(struct bt_ctf_event *event) | |
1220 | { | |
1221 | struct bt_ctf_event *copy = NULL; | |
1222 | ||
1223 | if (!event) { | |
1224 | goto error; | |
1225 | } | |
1226 | ||
1227 | copy = g_new0(struct bt_ctf_event, 1); | |
1228 | if (!copy) { | |
1229 | goto error; | |
1230 | } | |
1231 | ||
83509119 | 1232 | bt_object_init(copy, bt_ctf_event_destroy); |
9c4c8f6e | 1233 | copy->event_class = event->event_class; |
83509119 | 1234 | bt_get(copy->event_class); |
9c4c8f6e PP |
1235 | copy->stream = event->stream; |
1236 | ||
1237 | if (event->event_header) { | |
1238 | copy->event_header = bt_ctf_field_copy(event->event_header); | |
1239 | ||
1240 | if (!copy->event_header) { | |
1241 | goto error; | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | if (event->context_payload) { | |
1246 | copy->context_payload = bt_ctf_field_copy( | |
1247 | event->context_payload); | |
1248 | ||
1249 | if (!copy->context_payload) { | |
1250 | goto error; | |
1251 | } | |
1252 | } | |
1253 | ||
1254 | if (event->fields_payload) { | |
1255 | copy->fields_payload = bt_ctf_field_copy(event->fields_payload); | |
1256 | ||
1257 | if (!copy->fields_payload) { | |
1258 | goto error; | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | return copy; | |
1263 | ||
1264 | error: | |
83509119 JG |
1265 | BT_PUT(copy); |
1266 | return copy; | |
9c4c8f6e | 1267 | } |