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; |
e6a8e8e4 JG |
170 | struct bt_ctf_stream_class *stream_class = NULL; |
171 | ||
2f100782 JG |
172 | |
173 | if (!event_class) { | |
174 | ret = -1; | |
175 | goto end; | |
176 | } | |
177 | ||
e6a8e8e4 JG |
178 | stream_class = bt_ctf_event_class_get_stream_class(event_class); |
179 | if (stream_class) { | |
2f100782 JG |
180 | /* |
181 | * We don't allow changing the id if the event class has already | |
182 | * been added to a stream class. | |
183 | */ | |
184 | ret = -1; | |
185 | goto end; | |
186 | } | |
187 | ||
b8248cc0 PP |
188 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
189 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); | |
190 | if (!obj) { | |
191 | goto end; | |
192 | } | |
193 | ||
dac5c838 | 194 | if (bt_value_integer_set(obj, id)) { |
b8248cc0 PP |
195 | ret = -1; |
196 | goto end; | |
197 | } | |
198 | ||
199 | end: | |
83509119 | 200 | BT_PUT(obj); |
e6a8e8e4 | 201 | BT_PUT(stream_class); |
b8248cc0 PP |
202 | return ret; |
203 | } | |
204 | ||
205 | int bt_ctf_event_class_set_attribute( | |
206 | struct bt_ctf_event_class *event_class, const char *name, | |
dac5c838 | 207 | struct bt_value *value) |
b8248cc0 PP |
208 | { |
209 | int ret = 0; | |
210 | ||
211 | if (!event_class || !name || !value || event_class->frozen) { | |
212 | ret = -1; | |
213 | goto end; | |
214 | } | |
215 | ||
216 | if (!strcmp(name, "id") || !strcmp(name, "loglevel")) { | |
dac5c838 | 217 | if (!bt_value_is_integer(value)) { |
b8248cc0 PP |
218 | ret = -1; |
219 | goto end; | |
220 | } | |
221 | } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri")) { | |
dac5c838 | 222 | if (!bt_value_is_string(value)) { |
b8248cc0 PP |
223 | ret = -1; |
224 | goto end; | |
225 | } | |
226 | } else { | |
227 | /* unknown attribute */ | |
228 | ret = -1; | |
229 | goto end; | |
230 | } | |
231 | ||
232 | /* "id" special case: >= 0 */ | |
233 | if (!strcmp(name, "id")) { | |
234 | int64_t val; | |
235 | ||
dac5c838 | 236 | ret = bt_value_integer_get(value, &val); |
b8248cc0 PP |
237 | |
238 | if (ret) { | |
239 | goto end; | |
240 | } | |
241 | ||
242 | if (val < 0) { | |
243 | ret = -1; | |
244 | goto end; | |
245 | } | |
246 | } | |
247 | ||
248 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
249 | name, value); | |
250 | ||
2f100782 JG |
251 | end: |
252 | return ret; | |
253 | } | |
254 | ||
b8248cc0 PP |
255 | int bt_ctf_event_class_get_attribute_count( |
256 | struct bt_ctf_event_class *event_class) | |
257 | { | |
258 | int ret = 0; | |
259 | ||
260 | if (!event_class) { | |
261 | ret = -1; | |
262 | goto end; | |
263 | } | |
264 | ||
265 | ret = bt_ctf_attributes_get_count(event_class->attributes); | |
266 | ||
267 | end: | |
268 | return ret; | |
269 | } | |
270 | ||
271 | const char * | |
272 | bt_ctf_event_class_get_attribute_name( | |
273 | struct bt_ctf_event_class *event_class, int index) | |
274 | { | |
275 | const char *ret; | |
276 | ||
277 | if (!event_class) { | |
278 | ret = NULL; | |
279 | goto end; | |
280 | } | |
281 | ||
282 | ret = bt_ctf_attributes_get_field_name(event_class->attributes, index); | |
283 | ||
284 | end: | |
285 | return ret; | |
286 | } | |
287 | ||
dac5c838 | 288 | struct bt_value * |
b8248cc0 PP |
289 | bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class, |
290 | int index) | |
291 | { | |
dac5c838 | 292 | struct bt_value *ret; |
b8248cc0 PP |
293 | |
294 | if (!event_class) { | |
295 | ret = NULL; | |
296 | goto end; | |
297 | } | |
298 | ||
299 | ret = bt_ctf_attributes_get_field_value(event_class->attributes, index); | |
300 | ||
301 | end: | |
302 | return ret; | |
303 | } | |
304 | ||
dac5c838 | 305 | struct bt_value * |
b8248cc0 PP |
306 | bt_ctf_event_class_get_attribute_value_by_name( |
307 | struct bt_ctf_event_class *event_class, const char *name) | |
308 | { | |
dac5c838 | 309 | struct bt_value *ret; |
b8248cc0 PP |
310 | |
311 | if (!event_class || !name) { | |
312 | ret = NULL; | |
313 | goto end; | |
314 | } | |
315 | ||
316 | ret = bt_ctf_attributes_get_field_value_by_name(event_class->attributes, | |
317 | name); | |
318 | ||
319 | end: | |
320 | return ret; | |
321 | ||
322 | } | |
323 | ||
2f100782 JG |
324 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( |
325 | struct bt_ctf_event_class *event_class) | |
326 | { | |
e6a8e8e4 | 327 | return (struct bt_ctf_stream_class *) bt_object_get_parent(event_class); |
2f100782 JG |
328 | } |
329 | ||
c5a9aa19 JG |
330 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type( |
331 | struct bt_ctf_event_class *event_class) | |
332 | { | |
333 | struct bt_ctf_field_type *payload = NULL; | |
334 | ||
335 | if (!event_class) { | |
336 | goto end; | |
337 | } | |
338 | ||
83509119 | 339 | bt_get(event_class->fields); |
c5a9aa19 JG |
340 | payload = event_class->fields; |
341 | end: | |
342 | return payload; | |
343 | } | |
344 | ||
345 | int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class, | |
346 | struct bt_ctf_field_type *payload) | |
347 | { | |
348 | int ret = 0; | |
349 | ||
d2127f80 JG |
350 | if (!event_class || !payload || |
351 | bt_ctf_field_type_get_type_id(payload) != CTF_TYPE_STRUCT) { | |
c5a9aa19 JG |
352 | ret = -1; |
353 | goto end; | |
354 | } | |
355 | ||
83509119 JG |
356 | bt_get(payload); |
357 | bt_put(event_class->fields); | |
c5a9aa19 JG |
358 | event_class->fields = payload; |
359 | end: | |
360 | return ret; | |
361 | } | |
362 | ||
273b65be JG |
363 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, |
364 | struct bt_ctf_field_type *type, | |
365 | const char *name) | |
366 | { | |
367 | int ret = 0; | |
368 | ||
654c1444 | 369 | if (!event_class || !type || bt_ctf_validate_identifier(name) || |
273b65be JG |
370 | event_class->frozen) { |
371 | ret = -1; | |
372 | goto end; | |
373 | } | |
374 | ||
c5a9aa19 JG |
375 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
376 | CTF_TYPE_STRUCT) { | |
377 | ret = -1; | |
378 | goto end; | |
273b65be JG |
379 | } |
380 | ||
381 | ret = bt_ctf_field_type_structure_add_field(event_class->fields, | |
382 | type, name); | |
383 | end: | |
384 | return ret; | |
385 | } | |
386 | ||
074ee56d | 387 | int bt_ctf_event_class_get_field_count( |
2f100782 JG |
388 | struct bt_ctf_event_class *event_class) |
389 | { | |
074ee56d | 390 | int ret; |
2f100782 JG |
391 | |
392 | if (!event_class) { | |
393 | ret = -1; | |
394 | goto end; | |
395 | } | |
396 | ||
c5a9aa19 JG |
397 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
398 | CTF_TYPE_STRUCT) { | |
399 | ret = -1; | |
400 | goto end; | |
401 | } | |
402 | ||
2f100782 JG |
403 | ret = bt_ctf_field_type_structure_get_field_count(event_class->fields); |
404 | end: | |
405 | return ret; | |
406 | } | |
407 | ||
408 | int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class, | |
409 | const char **field_name, struct bt_ctf_field_type **field_type, | |
074ee56d | 410 | int index) |
2f100782 JG |
411 | { |
412 | int ret; | |
413 | ||
074ee56d | 414 | if (!event_class || index < 0) { |
2f100782 JG |
415 | ret = -1; |
416 | goto end; | |
417 | } | |
418 | ||
c5a9aa19 JG |
419 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
420 | CTF_TYPE_STRUCT) { | |
421 | ret = -1; | |
422 | goto end; | |
423 | } | |
424 | ||
2f100782 JG |
425 | ret = bt_ctf_field_type_structure_get_field(event_class->fields, |
426 | field_name, field_type, index); | |
427 | end: | |
428 | return ret; | |
429 | } | |
430 | ||
431 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( | |
432 | struct bt_ctf_event_class *event_class, const char *name) | |
433 | { | |
434 | GQuark name_quark; | |
435 | struct bt_ctf_field_type *field_type = NULL; | |
436 | ||
437 | if (!event_class || !name) { | |
438 | goto end; | |
439 | } | |
440 | ||
c5a9aa19 JG |
441 | if (bt_ctf_field_type_get_type_id(event_class->fields) != |
442 | CTF_TYPE_STRUCT) { | |
443 | goto end; | |
444 | } | |
445 | ||
2f100782 JG |
446 | name_quark = g_quark_try_string(name); |
447 | if (!name_quark) { | |
448 | goto end; | |
449 | } | |
450 | ||
451 | /* | |
452 | * No need to increment field_type's reference count since getting it | |
453 | * from the structure already does. | |
454 | */ | |
455 | field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
456 | event_class->fields, name); | |
457 | end: | |
458 | return field_type; | |
459 | } | |
460 | ||
f655a84d JG |
461 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_type( |
462 | struct bt_ctf_event_class *event_class) | |
463 | { | |
464 | struct bt_ctf_field_type *context_type = NULL; | |
465 | ||
466 | if (!event_class || !event_class->context) { | |
467 | goto end; | |
468 | } | |
469 | ||
83509119 | 470 | bt_get(event_class->context); |
f655a84d JG |
471 | context_type = event_class->context; |
472 | end: | |
473 | return context_type; | |
474 | } | |
475 | ||
476 | int bt_ctf_event_class_set_context_type( | |
477 | struct bt_ctf_event_class *event_class, | |
478 | struct bt_ctf_field_type *context) | |
479 | { | |
480 | int ret = 0; | |
481 | ||
482 | if (!event_class || !context || event_class->frozen) { | |
483 | ret = -1; | |
484 | goto end; | |
485 | } | |
486 | ||
487 | if (bt_ctf_field_type_get_type_id(context) != CTF_TYPE_STRUCT) { | |
488 | ret = -1; | |
489 | goto end; | |
490 | } | |
491 | ||
83509119 JG |
492 | bt_get(context); |
493 | bt_put(event_class->context); | |
f655a84d JG |
494 | event_class->context = context; |
495 | end: | |
496 | return ret; | |
497 | ||
498 | } | |
499 | ||
273b65be JG |
500 | void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class) |
501 | { | |
83509119 | 502 | bt_get(event_class); |
273b65be JG |
503 | } |
504 | ||
505 | void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class) | |
506 | { | |
83509119 | 507 | bt_put(event_class); |
273b65be JG |
508 | } |
509 | ||
29664b2a PP |
510 | BT_HIDDEN |
511 | int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class, | |
512 | uint32_t stream_id) | |
513 | { | |
514 | int ret = 0; | |
dac5c838 | 515 | struct bt_value *obj; |
29664b2a | 516 | |
dac5c838 | 517 | obj = bt_value_integer_create_init(stream_id); |
29664b2a PP |
518 | |
519 | if (!obj) { | |
520 | ret = -1; | |
521 | goto end; | |
522 | } | |
523 | ||
524 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
525 | "stream_id", obj); | |
526 | ||
527 | end: | |
83509119 | 528 | BT_PUT(obj); |
29664b2a PP |
529 | return ret; |
530 | } | |
531 | ||
273b65be JG |
532 | struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class) |
533 | { | |
534 | struct bt_ctf_event *event = NULL; | |
e6a8e8e4 | 535 | struct bt_ctf_stream_class *stream_class = NULL; |
273b65be JG |
536 | |
537 | if (!event_class) { | |
e6a8e8e4 | 538 | goto error; |
273b65be JG |
539 | } |
540 | ||
e6a8e8e4 | 541 | stream_class = bt_ctf_event_class_get_stream_class(event_class); |
662e778c | 542 | /* |
e6a8e8e4 JG |
543 | * We disallow the creation of an event if its event class has not been |
544 | * associated to a stream class. | |
662e778c | 545 | */ |
e6a8e8e4 JG |
546 | if (!stream_class) { |
547 | goto error; | |
662e778c | 548 | } |
e6a8e8e4 | 549 | assert(stream_class->event_header_type); |
b8248cc0 PP |
550 | event = g_new0(struct bt_ctf_event, 1); |
551 | if (!event) { | |
e6a8e8e4 | 552 | goto error; |
b8248cc0 PP |
553 | } |
554 | ||
83509119 | 555 | bt_object_init(event, bt_ctf_event_destroy); |
b8248cc0 | 556 | bt_ctf_event_class_freeze(event_class); |
e6a8e8e4 JG |
557 | /* |
558 | * event does not share a common ancestor with the event class; it has | |
559 | * to guarantee its existence by holding a reference. This reference | |
560 | * shall be released once the event is associated to a stream since, | |
561 | * from that point, the event and its class will share the same | |
562 | * lifetime. | |
563 | */ | |
564 | event->event_class = bt_get(event_class); | |
b8248cc0 | 565 | |
662e778c | 566 | event->event_header = bt_ctf_field_create( |
e6a8e8e4 | 567 | stream_class->event_header_type); |
662e778c | 568 | if (!event->event_header) { |
83509119 | 569 | goto error; |
662e778c | 570 | } |
f655a84d JG |
571 | if (event_class->context) { |
572 | event->context_payload = bt_ctf_field_create( | |
573 | event_class->context); | |
662e778c | 574 | if (!event->context_payload) { |
83509119 | 575 | goto error; |
662e778c | 576 | } |
f655a84d | 577 | } |
273b65be | 578 | event->fields_payload = bt_ctf_field_create(event_class->fields); |
662e778c | 579 | if (!event->fields_payload) { |
83509119 | 580 | goto error; |
662e778c JG |
581 | } |
582 | ||
583 | /* | |
584 | * Freeze the stream class since the event header must not be changed | |
585 | * anymore. | |
586 | */ | |
e6a8e8e4 JG |
587 | bt_ctf_stream_class_freeze(stream_class); |
588 | BT_PUT(stream_class); | |
273b65be | 589 | return event; |
83509119 JG |
590 | error: |
591 | BT_PUT(event); | |
e6a8e8e4 | 592 | BT_PUT(stream_class); |
83509119 | 593 | return event; |
273b65be JG |
594 | } |
595 | ||
2f100782 JG |
596 | struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event) |
597 | { | |
598 | struct bt_ctf_event_class *event_class = NULL; | |
599 | ||
600 | if (!event) { | |
601 | goto end; | |
602 | } | |
603 | ||
604 | event_class = event->event_class; | |
83509119 | 605 | bt_get(event_class); |
2f100782 JG |
606 | end: |
607 | return event_class; | |
608 | } | |
609 | ||
8e5003bb JG |
610 | struct bt_ctf_stream *bt_ctf_event_get_stream(struct bt_ctf_event *event) |
611 | { | |
e6a8e8e4 | 612 | return (struct bt_ctf_stream *) bt_object_get_parent(event); |
8e5003bb JG |
613 | } |
614 | ||
2f100782 JG |
615 | struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event) |
616 | { | |
617 | struct bt_ctf_clock *clock = NULL; | |
618 | struct bt_ctf_event_class *event_class; | |
619 | struct bt_ctf_stream_class *stream_class; | |
620 | ||
621 | if (!event) { | |
622 | goto end; | |
623 | } | |
624 | ||
625 | event_class = bt_ctf_event_get_class(event); | |
626 | if (!event_class) { | |
627 | goto end; | |
628 | } | |
629 | ||
630 | stream_class = bt_ctf_event_class_get_stream_class(event_class); | |
631 | if (!stream_class) { | |
632 | goto error_put_event_class; | |
633 | } | |
634 | ||
635 | clock = bt_ctf_stream_class_get_clock(stream_class); | |
636 | if (!clock) { | |
637 | goto error_put_stream_class; | |
638 | } | |
639 | ||
640 | error_put_stream_class: | |
83509119 | 641 | bt_put(stream_class); |
2f100782 | 642 | error_put_event_class: |
83509119 | 643 | bt_put(event_class); |
2f100782 JG |
644 | end: |
645 | return clock; | |
646 | } | |
647 | ||
273b65be JG |
648 | int bt_ctf_event_set_payload(struct bt_ctf_event *event, |
649 | const char *name, | |
c5a9aa19 | 650 | struct bt_ctf_field *payload) |
273b65be JG |
651 | { |
652 | int ret = 0; | |
653 | ||
c5a9aa19 | 654 | if (!event || !payload) { |
273b65be JG |
655 | ret = -1; |
656 | goto end; | |
657 | } | |
658 | ||
c5a9aa19 JG |
659 | if (name) { |
660 | ret = bt_ctf_field_structure_set_field(event->fields_payload, | |
661 | name, payload); | |
662 | } else { | |
663 | struct bt_ctf_field_type *payload_type; | |
664 | ||
665 | payload_type = bt_ctf_field_get_type(payload); | |
666 | if (payload_type == event->event_class->fields) { | |
83509119 JG |
667 | bt_put(event->fields_payload); |
668 | bt_get(payload); | |
c5a9aa19 JG |
669 | event->fields_payload = payload; |
670 | } else { | |
671 | ret = -1; | |
672 | } | |
673 | ||
83509119 | 674 | bt_put(payload_type); |
c5a9aa19 | 675 | } |
273b65be JG |
676 | end: |
677 | return ret; | |
678 | } | |
679 | ||
71362d53 PP |
680 | struct bt_ctf_field *bt_ctf_event_get_payload_field(struct bt_ctf_event *event) |
681 | { | |
682 | struct bt_ctf_field *payload = NULL; | |
683 | ||
684 | if (!event || !event->fields_payload) { | |
685 | goto end; | |
686 | } | |
687 | ||
688 | payload = event->fields_payload; | |
83509119 | 689 | bt_get(payload); |
71362d53 PP |
690 | end: |
691 | return payload; | |
692 | } | |
273b65be | 693 | |
e5e6eb3a JG |
694 | int bt_ctf_event_set_payload_field(struct bt_ctf_event *event, |
695 | struct bt_ctf_field *payload) | |
696 | { | |
697 | int ret = 0; | |
698 | struct bt_ctf_field_type *payload_type = NULL; | |
699 | ||
700 | if (!event || !payload) { | |
701 | ret = -1; | |
702 | goto end; | |
703 | } | |
704 | ||
705 | payload_type = bt_ctf_field_get_type(payload); | |
706 | if (!payload_type) { | |
707 | ret = -1; | |
708 | goto end; | |
709 | } | |
710 | ||
711 | if (bt_ctf_field_type_get_type_id(payload_type) != CTF_TYPE_STRUCT) { | |
712 | ret = -1; | |
713 | goto end; | |
714 | } | |
715 | ||
83509119 JG |
716 | bt_get(payload); |
717 | bt_put(event->fields_payload); | |
e5e6eb3a JG |
718 | event->fields_payload = payload; |
719 | ||
720 | end: | |
83509119 | 721 | bt_put(payload_type); |
e5e6eb3a JG |
722 | return ret; |
723 | } | |
724 | ||
273b65be JG |
725 | struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event, |
726 | const char *name) | |
727 | { | |
728 | struct bt_ctf_field *field = NULL; | |
729 | ||
c5a9aa19 | 730 | if (!event) { |
273b65be JG |
731 | goto end; |
732 | } | |
733 | ||
c5a9aa19 JG |
734 | if (name) { |
735 | field = bt_ctf_field_structure_get_field(event->fields_payload, | |
736 | name); | |
737 | } else { | |
738 | field = event->fields_payload; | |
83509119 | 739 | bt_get(field); |
c5a9aa19 | 740 | } |
273b65be JG |
741 | end: |
742 | return field; | |
743 | } | |
744 | ||
2f100782 | 745 | struct bt_ctf_field *bt_ctf_event_get_payload_by_index( |
074ee56d | 746 | struct bt_ctf_event *event, int index) |
2f100782 JG |
747 | { |
748 | struct bt_ctf_field *field = NULL; | |
749 | ||
074ee56d | 750 | if (!event || index < 0) { |
2f100782 JG |
751 | goto end; |
752 | } | |
753 | ||
754 | field = bt_ctf_field_structure_get_field_by_index(event->fields_payload, | |
755 | index); | |
756 | end: | |
757 | return field; | |
758 | } | |
759 | ||
286a2840 | 760 | struct bt_ctf_field *bt_ctf_event_get_header( |
662e778c JG |
761 | struct bt_ctf_event *event) |
762 | { | |
763 | struct bt_ctf_field *header = NULL; | |
764 | ||
765 | if (!event || !event->event_header) { | |
766 | goto end; | |
767 | } | |
768 | ||
769 | header = event->event_header; | |
83509119 | 770 | bt_get(header); |
662e778c JG |
771 | end: |
772 | return header; | |
773 | } | |
774 | ||
286a2840 | 775 | int bt_ctf_event_set_header(struct bt_ctf_event *event, |
662e778c JG |
776 | struct bt_ctf_field *header) |
777 | { | |
778 | int ret = 0; | |
779 | struct bt_ctf_field_type *field_type = NULL; | |
e6a8e8e4 | 780 | struct bt_ctf_stream_class *stream_class = NULL; |
662e778c JG |
781 | |
782 | if (!event || !header) { | |
783 | ret = -1; | |
784 | goto end; | |
785 | } | |
786 | ||
e6a8e8e4 JG |
787 | stream_class = (struct bt_ctf_stream_class *) bt_object_get_parent( |
788 | event->event_class); | |
662e778c JG |
789 | /* |
790 | * Ensure the provided header's type matches the one registered to the | |
791 | * stream class. | |
792 | */ | |
793 | field_type = bt_ctf_field_get_type(header); | |
e6a8e8e4 | 794 | if (field_type != stream_class->event_header_type) { |
662e778c JG |
795 | ret = -1; |
796 | goto end; | |
797 | } | |
798 | ||
83509119 JG |
799 | bt_get(header); |
800 | bt_put(event->event_header); | |
662e778c JG |
801 | event->event_header = header; |
802 | end: | |
e6a8e8e4 | 803 | bt_put(stream_class); |
83509119 | 804 | bt_put(field_type); |
662e778c JG |
805 | return ret; |
806 | } | |
807 | ||
f655a84d JG |
808 | struct bt_ctf_field *bt_ctf_event_get_event_context( |
809 | struct bt_ctf_event *event) | |
810 | { | |
811 | struct bt_ctf_field *context = NULL; | |
812 | ||
813 | if (!event || !event->context_payload) { | |
814 | goto end; | |
815 | } | |
816 | ||
817 | context = event->context_payload; | |
83509119 | 818 | bt_get(context); |
f655a84d JG |
819 | end: |
820 | return context; | |
821 | } | |
822 | ||
823 | int bt_ctf_event_set_event_context(struct bt_ctf_event *event, | |
824 | struct bt_ctf_field *context) | |
825 | { | |
826 | int ret = 0; | |
827 | struct bt_ctf_field_type *field_type = NULL; | |
828 | ||
829 | if (!event || !context) { | |
830 | ret = -1; | |
831 | goto end; | |
832 | } | |
833 | ||
834 | field_type = bt_ctf_field_get_type(context); | |
835 | if (field_type != event->event_class->context) { | |
836 | ret = -1; | |
837 | goto end; | |
838 | } | |
839 | ||
83509119 JG |
840 | bt_get(context); |
841 | bt_put(event->context_payload); | |
f655a84d JG |
842 | event->context_payload = context; |
843 | end: | |
83509119 | 844 | bt_put(field_type); |
f655a84d JG |
845 | return ret; |
846 | } | |
847 | ||
273b65be JG |
848 | void bt_ctf_event_get(struct bt_ctf_event *event) |
849 | { | |
83509119 | 850 | bt_get(event); |
273b65be JG |
851 | } |
852 | ||
853 | void bt_ctf_event_put(struct bt_ctf_event *event) | |
854 | { | |
83509119 | 855 | bt_put(event); |
273b65be JG |
856 | } |
857 | ||
858 | static | |
83509119 | 859 | void bt_ctf_event_class_destroy(struct bt_object *obj) |
273b65be JG |
860 | { |
861 | struct bt_ctf_event_class *event_class; | |
273b65be | 862 | |
83509119 JG |
863 | event_class = container_of(obj, struct bt_ctf_event_class, base); |
864 | bt_ctf_attributes_destroy(event_class->attributes); | |
865 | bt_put(event_class->context); | |
866 | bt_put(event_class->fields); | |
273b65be JG |
867 | g_free(event_class); |
868 | } | |
869 | ||
870 | static | |
83509119 | 871 | void bt_ctf_event_destroy(struct bt_object *obj) |
273b65be JG |
872 | { |
873 | struct bt_ctf_event *event; | |
874 | ||
83509119 | 875 | event = container_of(obj, struct bt_ctf_event, base); |
e6a8e8e4 JG |
876 | if (!event->base.parent) { |
877 | /* | |
878 | * Event was keeping a reference to its class since it shared no | |
879 | * common ancestor with it to guarantee they would both have the | |
880 | * same lifetime. | |
881 | */ | |
882 | bt_put(event->event_class); | |
883 | } | |
83509119 JG |
884 | bt_put(event->event_header); |
885 | bt_put(event->context_payload); | |
886 | bt_put(event->fields_payload); | |
273b65be JG |
887 | g_free(event); |
888 | } | |
889 | ||
662e778c JG |
890 | static |
891 | int set_integer_field_value(struct bt_ctf_field* field, uint64_t value) | |
892 | { | |
893 | int ret = 0; | |
894 | struct bt_ctf_field_type *field_type = NULL; | |
895 | ||
896 | if (!field) { | |
897 | ret = -1; | |
898 | goto end; | |
899 | } | |
900 | ||
901 | if (!bt_ctf_field_validate(field)) { | |
902 | /* Payload already set, skip! (not an error) */ | |
903 | goto end; | |
904 | } | |
905 | ||
906 | field_type = bt_ctf_field_get_type(field); | |
907 | assert(field_type); | |
908 | ||
909 | if (bt_ctf_field_type_get_type_id(field_type) != CTF_TYPE_INTEGER) { | |
910 | /* Not an integer and the value is unset, error. */ | |
911 | ret = -1; | |
912 | goto end; | |
913 | } | |
914 | ||
915 | if (bt_ctf_field_type_integer_get_signed(field_type)) { | |
916 | ret = bt_ctf_field_signed_integer_set_value(field, (int64_t) value); | |
917 | if (ret) { | |
918 | /* Value is out of range, error. */ | |
919 | goto end; | |
920 | } | |
921 | } else { | |
922 | ret = bt_ctf_field_unsigned_integer_set_value(field, value); | |
923 | if (ret) { | |
924 | /* Value is out of range, error. */ | |
925 | goto end; | |
926 | } | |
927 | } | |
928 | end: | |
83509119 | 929 | bt_put(field_type); |
662e778c JG |
930 | return ret; |
931 | } | |
932 | ||
273b65be JG |
933 | BT_HIDDEN |
934 | void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class) | |
935 | { | |
936 | assert(event_class); | |
937 | event_class->frozen = 1; | |
938 | bt_ctf_field_type_freeze(event_class->context); | |
939 | bt_ctf_field_type_freeze(event_class->fields); | |
b8248cc0 | 940 | bt_ctf_attributes_freeze(event_class->attributes); |
273b65be JG |
941 | } |
942 | ||
273b65be JG |
943 | BT_HIDDEN |
944 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, | |
945 | struct metadata_context *context) | |
946 | { | |
b8248cc0 PP |
947 | int i; |
948 | int count; | |
273b65be | 949 | int ret = 0; |
dac5c838 | 950 | struct bt_value *attr_value = NULL; |
273b65be JG |
951 | |
952 | assert(event_class); | |
953 | assert(context); | |
b8248cc0 PP |
954 | |
955 | context->current_indentation_level = 1; | |
956 | g_string_assign(context->field_name, ""); | |
957 | g_string_append(context->string, "event {\n"); | |
958 | count = bt_ctf_event_class_get_attribute_count(event_class); | |
959 | ||
960 | if (count < 0) { | |
2f100782 JG |
961 | ret = -1; |
962 | goto end; | |
963 | } | |
964 | ||
b8248cc0 PP |
965 | for (i = 0; i < count; ++i) { |
966 | const char *attr_name = NULL; | |
967 | ||
968 | attr_name = bt_ctf_event_class_get_attribute_name( | |
969 | event_class, i); | |
970 | attr_value = bt_ctf_event_class_get_attribute_value( | |
971 | event_class, i); | |
972 | ||
973 | if (!attr_name || !attr_value) { | |
974 | ret = -1; | |
975 | goto end; | |
976 | } | |
977 | ||
dac5c838 PP |
978 | switch (bt_value_get_type(attr_value)) { |
979 | case BT_VALUE_TYPE_INTEGER: | |
b8248cc0 PP |
980 | { |
981 | int64_t value; | |
982 | ||
dac5c838 | 983 | ret = bt_value_integer_get(attr_value, &value); |
b8248cc0 PP |
984 | |
985 | if (ret) { | |
986 | goto end; | |
987 | } | |
988 | ||
989 | g_string_append_printf(context->string, | |
990 | "\t%s = %" PRId64 ";\n", attr_name, value); | |
991 | break; | |
992 | } | |
993 | ||
dac5c838 | 994 | case BT_VALUE_TYPE_STRING: |
b8248cc0 PP |
995 | { |
996 | const char *value; | |
997 | ||
dac5c838 | 998 | ret = bt_value_string_get(attr_value, &value); |
b8248cc0 PP |
999 | |
1000 | if (ret) { | |
1001 | goto end; | |
1002 | } | |
1003 | ||
1004 | g_string_append_printf(context->string, | |
1005 | "\t%s = \"%s\";\n", attr_name, value); | |
1006 | break; | |
1007 | } | |
1008 | ||
1009 | default: | |
1010 | /* should never happen */ | |
1011 | assert(false); | |
1012 | break; | |
1013 | } | |
1014 | ||
83509119 | 1015 | BT_PUT(attr_value); |
b8248cc0 | 1016 | } |
273b65be JG |
1017 | |
1018 | if (event_class->context) { | |
1019 | g_string_append(context->string, "\tcontext := "); | |
1020 | ret = bt_ctf_field_type_serialize(event_class->context, | |
1021 | context); | |
1022 | if (ret) { | |
1023 | goto end; | |
1024 | } | |
1025 | g_string_append(context->string, ";\n"); | |
1026 | } | |
1027 | ||
1028 | if (event_class->fields) { | |
1029 | g_string_append(context->string, "\tfields := "); | |
1030 | ret = bt_ctf_field_type_serialize(event_class->fields, context); | |
1031 | if (ret) { | |
1032 | goto end; | |
1033 | } | |
1034 | g_string_append(context->string, ";\n"); | |
1035 | } | |
1036 | ||
1037 | g_string_append(context->string, "};\n\n"); | |
1038 | end: | |
1039 | context->current_indentation_level = 0; | |
83509119 | 1040 | BT_PUT(attr_value); |
273b65be JG |
1041 | return ret; |
1042 | } | |
1043 | ||
c35a1669 JG |
1044 | void bt_ctf_event_class_set_native_byte_order( |
1045 | struct bt_ctf_event_class *event_class, | |
1046 | int byte_order) | |
1047 | { | |
1048 | if (!event_class) { | |
1049 | return; | |
1050 | } | |
1051 | ||
445c3471 PP |
1052 | assert(byte_order == 0 || byte_order == LITTLE_ENDIAN || |
1053 | byte_order == BIG_ENDIAN); | |
1054 | ||
c35a1669 JG |
1055 | bt_ctf_field_type_set_native_byte_order(event_class->context, |
1056 | byte_order); | |
1057 | bt_ctf_field_type_set_native_byte_order(event_class->fields, | |
1058 | byte_order); | |
1059 | } | |
1060 | ||
273b65be JG |
1061 | BT_HIDDEN |
1062 | int bt_ctf_event_validate(struct bt_ctf_event *event) | |
1063 | { | |
1064 | /* Make sure each field's payload has been set */ | |
1065 | int ret; | |
1066 | ||
1067 | assert(event); | |
662e778c JG |
1068 | ret = bt_ctf_field_validate(event->event_header); |
1069 | if (ret) { | |
1070 | goto end; | |
1071 | } | |
1072 | ||
273b65be JG |
1073 | ret = bt_ctf_field_validate(event->fields_payload); |
1074 | if (ret) { | |
1075 | goto end; | |
1076 | } | |
1077 | ||
1078 | if (event->event_class->context) { | |
1079 | ret = bt_ctf_field_validate(event->context_payload); | |
1080 | } | |
1081 | end: | |
1082 | return ret; | |
1083 | } | |
1084 | ||
1085 | BT_HIDDEN | |
1086 | int bt_ctf_event_serialize(struct bt_ctf_event *event, | |
1087 | struct ctf_stream_pos *pos) | |
1088 | { | |
1089 | int ret = 0; | |
1090 | ||
1091 | assert(event); | |
1092 | assert(pos); | |
1093 | if (event->context_payload) { | |
1094 | ret = bt_ctf_field_serialize(event->context_payload, pos); | |
1095 | if (ret) { | |
1096 | goto end; | |
1097 | } | |
1098 | } | |
1099 | ||
1100 | if (event->fields_payload) { | |
1101 | ret = bt_ctf_field_serialize(event->fields_payload, pos); | |
1102 | if (ret) { | |
1103 | goto end; | |
1104 | } | |
1105 | } | |
1106 | end: | |
1107 | return ret; | |
1108 | } | |
1109 | ||
662e778c JG |
1110 | BT_HIDDEN |
1111 | int bt_ctf_event_populate_event_header(struct bt_ctf_event *event) | |
1112 | { | |
1113 | int ret = 0; | |
1114 | struct bt_ctf_field *id_field = NULL, *timestamp_field = NULL; | |
1115 | ||
1116 | if (!event) { | |
1117 | ret = -1; | |
1118 | goto end; | |
1119 | } | |
1120 | ||
1121 | id_field = bt_ctf_field_structure_get_field(event->event_header, "id"); | |
1122 | if (id_field) { | |
1123 | ret = set_integer_field_value(id_field, | |
b8248cc0 PP |
1124 | (uint64_t) bt_ctf_event_class_get_id( |
1125 | event->event_class)); | |
662e778c JG |
1126 | if (ret) { |
1127 | goto end; | |
1128 | } | |
1129 | } | |
1130 | ||
1131 | timestamp_field = bt_ctf_field_structure_get_field(event->event_header, | |
1132 | "timestamp"); | |
1133 | if (timestamp_field) { | |
9a220c32 JG |
1134 | struct bt_ctf_field_type *timestamp_field_type = |
1135 | bt_ctf_field_get_type(timestamp_field); | |
1136 | struct bt_ctf_clock *mapped_clock; | |
1137 | ||
1138 | assert(timestamp_field_type); | |
1139 | mapped_clock = bt_ctf_field_type_integer_get_mapped_clock( | |
1140 | timestamp_field_type); | |
83509119 | 1141 | bt_put(timestamp_field_type); |
9a220c32 | 1142 | if (mapped_clock) { |
61cf588b | 1143 | int64_t timestamp; |
9a220c32 | 1144 | |
61cf588b | 1145 | ret = bt_ctf_clock_get_time(mapped_clock, ×tamp); |
83509119 | 1146 | bt_put(mapped_clock); |
61cf588b | 1147 | if (ret) { |
9a220c32 JG |
1148 | goto end; |
1149 | } | |
1150 | ||
1151 | ret = set_integer_field_value(timestamp_field, | |
1152 | timestamp); | |
1153 | if (ret) { | |
1154 | goto end; | |
1155 | } | |
662e778c JG |
1156 | } |
1157 | } | |
1158 | end: | |
83509119 JG |
1159 | bt_put(id_field); |
1160 | bt_put(timestamp_field); | |
662e778c JG |
1161 | return ret; |
1162 | } | |
123fbdec | 1163 | |
9c4c8f6e PP |
1164 | struct bt_ctf_event *bt_ctf_event_copy(struct bt_ctf_event *event) |
1165 | { | |
1166 | struct bt_ctf_event *copy = NULL; | |
1167 | ||
1168 | if (!event) { | |
1169 | goto error; | |
1170 | } | |
1171 | ||
1172 | copy = g_new0(struct bt_ctf_event, 1); | |
1173 | if (!copy) { | |
1174 | goto error; | |
1175 | } | |
1176 | ||
83509119 | 1177 | bt_object_init(copy, bt_ctf_event_destroy); |
e6a8e8e4 | 1178 | copy->event_class = bt_get(event->event_class); |
9c4c8f6e PP |
1179 | |
1180 | if (event->event_header) { | |
1181 | copy->event_header = bt_ctf_field_copy(event->event_header); | |
1182 | ||
1183 | if (!copy->event_header) { | |
1184 | goto error; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | if (event->context_payload) { | |
1189 | copy->context_payload = bt_ctf_field_copy( | |
1190 | event->context_payload); | |
1191 | ||
1192 | if (!copy->context_payload) { | |
1193 | goto error; | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | if (event->fields_payload) { | |
1198 | copy->fields_payload = bt_ctf_field_copy(event->fields_payload); | |
1199 | ||
1200 | if (!copy->fields_payload) { | |
1201 | goto error; | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | return copy; | |
1206 | ||
1207 | error: | |
83509119 JG |
1208 | BT_PUT(copy); |
1209 | return copy; | |
9c4c8f6e | 1210 | } |