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 | ||
2e33ac5a PP |
29 | #include <babeltrace/ctf-ir/fields-internal.h> |
30 | #include <babeltrace/ctf-ir/field-types-internal.h> | |
ac0c6bdd | 31 | #include <babeltrace/ctf-ir/clock-class.h> |
adc315b8 | 32 | #include <babeltrace/ctf-ir/event-internal.h> |
272df73e PP |
33 | #include <babeltrace/ctf-ir/event-class.h> |
34 | #include <babeltrace/ctf-ir/event-class-internal.h> | |
2f100782 | 35 | #include <babeltrace/ctf-ir/stream-class.h> |
c35a1669 | 36 | #include <babeltrace/ctf-ir/stream-class-internal.h> |
41ac640a | 37 | #include <babeltrace/ctf-ir/stream-internal.h> |
4ce9f9d0 PP |
38 | #include <babeltrace/ctf-ir/packet.h> |
39 | #include <babeltrace/ctf-ir/packet-internal.h> | |
bc37ae52 | 40 | #include <babeltrace/ctf-ir/trace-internal.h> |
09840de5 | 41 | #include <babeltrace/ctf-ir/validation-internal.h> |
5c3b707d | 42 | #include <babeltrace/ctf-ir/packet-internal.h> |
654c1444 | 43 | #include <babeltrace/ctf-ir/utils.h> |
dc3fffef | 44 | #include <babeltrace/ctf-writer/serialize-internal.h> |
83509119 | 45 | #include <babeltrace/ref.h> |
44e0a4f5 | 46 | #include <babeltrace/ctf-ir/attributes-internal.h> |
3d9990ac | 47 | #include <babeltrace/compiler-internal.h> |
273b65be | 48 | |
273b65be | 49 | static |
83509119 | 50 | void bt_ctf_event_destroy(struct bt_object *obj); |
273b65be | 51 | |
273b65be JG |
52 | struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class) |
53 | { | |
09840de5 PP |
54 | int ret; |
55 | enum bt_ctf_validation_flag validation_flags = | |
56 | BT_CTF_VALIDATION_FLAG_STREAM | | |
57 | BT_CTF_VALIDATION_FLAG_EVENT; | |
273b65be | 58 | struct bt_ctf_event *event = NULL; |
09840de5 | 59 | struct bt_ctf_trace *trace = NULL; |
e6a8e8e4 | 60 | struct bt_ctf_stream_class *stream_class = NULL; |
09840de5 PP |
61 | struct bt_ctf_field_type *packet_header_type = NULL; |
62 | struct bt_ctf_field_type *packet_context_type = NULL; | |
63 | struct bt_ctf_field_type *event_header_type = NULL; | |
64 | struct bt_ctf_field_type *stream_event_ctx_type = NULL; | |
65 | struct bt_ctf_field_type *event_context_type = NULL; | |
66 | struct bt_ctf_field_type *event_payload_type = NULL; | |
67 | struct bt_ctf_field *event_header = NULL; | |
5fd2e9fd | 68 | struct bt_ctf_field *stream_event_context = NULL; |
09840de5 PP |
69 | struct bt_ctf_field *event_context = NULL; |
70 | struct bt_ctf_field *event_payload = NULL; | |
71 | struct bt_value *environment = NULL; | |
72 | struct bt_ctf_validation_output validation_output = { 0 }; | |
73 | int trace_valid = 0; | |
273b65be JG |
74 | |
75 | if (!event_class) { | |
e6a8e8e4 | 76 | goto error; |
273b65be JG |
77 | } |
78 | ||
e6a8e8e4 | 79 | stream_class = bt_ctf_event_class_get_stream_class(event_class); |
09840de5 | 80 | |
662e778c | 81 | /* |
e6a8e8e4 JG |
82 | * We disallow the creation of an event if its event class has not been |
83 | * associated to a stream class. | |
662e778c | 84 | */ |
e6a8e8e4 JG |
85 | if (!stream_class) { |
86 | goto error; | |
662e778c | 87 | } |
09840de5 PP |
88 | |
89 | /* A stream class should always have an existing event header type */ | |
e6a8e8e4 | 90 | assert(stream_class->event_header_type); |
09840de5 PP |
91 | |
92 | /* The event class was frozen when added to its stream class */ | |
93 | assert(event_class->frozen); | |
94 | ||
95 | /* Validate the trace (if any), the stream class, and the event class */ | |
96 | trace = bt_ctf_stream_class_get_trace(stream_class); | |
97 | if (trace) { | |
98 | packet_header_type = bt_ctf_trace_get_packet_header_type(trace); | |
99 | trace_valid = trace->valid; | |
100 | assert(trace_valid); | |
101 | environment = trace->environment; | |
102 | } | |
103 | ||
104 | packet_context_type = bt_ctf_stream_class_get_packet_context_type( | |
105 | stream_class); | |
106 | event_header_type = bt_ctf_stream_class_get_event_header_type( | |
107 | stream_class); | |
108 | stream_event_ctx_type = bt_ctf_stream_class_get_event_context_type( | |
109 | stream_class); | |
110 | event_context_type = bt_ctf_event_class_get_context_type(event_class); | |
111 | event_payload_type = bt_ctf_event_class_get_payload_type(event_class); | |
112 | ret = bt_ctf_validate_class_types(environment, packet_header_type, | |
113 | packet_context_type, event_header_type, stream_event_ctx_type, | |
114 | event_context_type, event_payload_type, trace_valid, | |
115 | stream_class->valid, event_class->valid, | |
116 | &validation_output, validation_flags); | |
117 | BT_PUT(packet_header_type); | |
118 | BT_PUT(packet_context_type); | |
119 | BT_PUT(event_header_type); | |
120 | BT_PUT(stream_event_ctx_type); | |
121 | BT_PUT(event_context_type); | |
122 | BT_PUT(event_payload_type); | |
09840de5 PP |
123 | if (ret) { |
124 | /* | |
125 | * This means something went wrong during the validation | |
126 | * process, not that the objects are invalid. | |
127 | */ | |
128 | goto error; | |
129 | } | |
130 | ||
131 | if ((validation_output.valid_flags & validation_flags) != | |
132 | validation_flags) { | |
133 | /* Invalid trace/stream class/event class */ | |
134 | goto error; | |
135 | } | |
136 | ||
137 | /* | |
138 | * At this point we know the trace (if associated to the stream | |
139 | * class), the stream class, and the event class, with their | |
140 | * current types, are valid. We may proceed with creating | |
141 | * the event. | |
142 | */ | |
b8248cc0 PP |
143 | event = g_new0(struct bt_ctf_event, 1); |
144 | if (!event) { | |
e6a8e8e4 | 145 | goto error; |
b8248cc0 PP |
146 | } |
147 | ||
83509119 | 148 | bt_object_init(event, bt_ctf_event_destroy); |
09840de5 | 149 | |
e6a8e8e4 JG |
150 | /* |
151 | * event does not share a common ancestor with the event class; it has | |
152 | * to guarantee its existence by holding a reference. This reference | |
153 | * shall be released once the event is associated to a stream since, | |
154 | * from that point, the event and its class will share the same | |
155 | * lifetime. | |
156 | */ | |
157 | event->event_class = bt_get(event_class); | |
41ac640a | 158 | event->clock_values = g_hash_table_new_full(g_direct_hash, |
1556a1af | 159 | g_direct_equal, bt_put, bt_put); |
09840de5 PP |
160 | event_header = |
161 | bt_ctf_field_create(validation_output.event_header_type); | |
09840de5 | 162 | if (!event_header) { |
83509119 | 163 | goto error; |
662e778c | 164 | } |
09840de5 | 165 | |
5fd2e9fd PP |
166 | if (validation_output.stream_event_ctx_type) { |
167 | stream_event_context = bt_ctf_field_create( | |
168 | validation_output.stream_event_ctx_type); | |
169 | if (!stream_event_context) { | |
170 | goto error; | |
171 | } | |
172 | } | |
173 | ||
09840de5 PP |
174 | if (validation_output.event_context_type) { |
175 | event_context = bt_ctf_field_create( | |
176 | validation_output.event_context_type); | |
177 | if (!event_context) { | |
83509119 | 178 | goto error; |
662e778c | 179 | } |
f655a84d | 180 | } |
09840de5 PP |
181 | |
182 | if (validation_output.event_payload_type) { | |
183 | event_payload = bt_ctf_field_create( | |
184 | validation_output.event_payload_type); | |
185 | if (!event_payload) { | |
186 | goto error; | |
187 | } | |
662e778c JG |
188 | } |
189 | ||
09840de5 PP |
190 | /* |
191 | * At this point all the fields are created, potentially from | |
192 | * validated copies of field types, so that the field types and | |
193 | * fields can be replaced in the trace, stream class, | |
194 | * event class, and created event. | |
195 | */ | |
196 | bt_ctf_validation_replace_types(trace, stream_class, | |
197 | event_class, &validation_output, validation_flags); | |
198 | BT_MOVE(event->event_header, event_header); | |
5fd2e9fd | 199 | BT_MOVE(event->stream_event_context, stream_event_context); |
09840de5 PP |
200 | BT_MOVE(event->context_payload, event_context); |
201 | BT_MOVE(event->fields_payload, event_payload); | |
202 | ||
203 | /* | |
204 | * Put what was not moved in bt_ctf_validation_replace_types(). | |
205 | */ | |
206 | bt_ctf_validation_output_put_types(&validation_output); | |
207 | ||
662e778c JG |
208 | /* |
209 | * Freeze the stream class since the event header must not be changed | |
210 | * anymore. | |
211 | */ | |
e6a8e8e4 | 212 | bt_ctf_stream_class_freeze(stream_class); |
09840de5 PP |
213 | |
214 | /* | |
215 | * Mark stream class, and event class as valid since | |
216 | * they're all frozen now. | |
217 | */ | |
218 | stream_class->valid = 1; | |
219 | event_class->valid = 1; | |
220 | ||
221 | /* Put stuff we borrowed from the event class */ | |
e6a8e8e4 | 222 | BT_PUT(stream_class); |
09840de5 PP |
223 | BT_PUT(trace); |
224 | ||
273b65be | 225 | return event; |
09840de5 | 226 | |
83509119 | 227 | error: |
09840de5 | 228 | bt_ctf_validation_output_put_types(&validation_output); |
83509119 | 229 | BT_PUT(event); |
e6a8e8e4 | 230 | BT_PUT(stream_class); |
09840de5 PP |
231 | BT_PUT(trace); |
232 | BT_PUT(event_header); | |
5fd2e9fd | 233 | BT_PUT(stream_event_context); |
09840de5 PP |
234 | BT_PUT(event_context); |
235 | BT_PUT(event_payload); | |
236 | assert(!packet_header_type); | |
237 | assert(!packet_context_type); | |
238 | assert(!event_header_type); | |
239 | assert(!stream_event_ctx_type); | |
240 | assert(!event_context_type); | |
241 | assert(!event_payload_type); | |
242 | ||
83509119 | 243 | return event; |
273b65be JG |
244 | } |
245 | ||
2f100782 JG |
246 | struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event) |
247 | { | |
248 | struct bt_ctf_event_class *event_class = NULL; | |
249 | ||
250 | if (!event) { | |
251 | goto end; | |
252 | } | |
253 | ||
dc3fffef PP |
254 | event_class = event ? bt_get(bt_ctf_event_borrow_event_class(event)) : |
255 | NULL; | |
2f100782 JG |
256 | end: |
257 | return event_class; | |
258 | } | |
259 | ||
8e5003bb JG |
260 | struct bt_ctf_stream *bt_ctf_event_get_stream(struct bt_ctf_event *event) |
261 | { | |
cacf3147 PP |
262 | struct bt_ctf_stream *stream = NULL; |
263 | ||
264 | if (!event) { | |
265 | goto end; | |
266 | } | |
267 | ||
268 | /* | |
269 | * If the event has a parent, then this is its (writer) stream. | |
270 | * If the event has no parent, then if it has a packet, this | |
271 | * is its (non-writer) stream. | |
272 | */ | |
273 | if (event->base.parent) { | |
274 | stream = (struct bt_ctf_stream *) bt_object_get_parent(event); | |
275 | } else { | |
276 | if (event->packet) { | |
277 | stream = bt_get(event->packet->stream); | |
278 | } | |
279 | } | |
280 | ||
281 | end: | |
282 | return stream; | |
8e5003bb JG |
283 | } |
284 | ||
273b65be JG |
285 | int bt_ctf_event_set_payload(struct bt_ctf_event *event, |
286 | const char *name, | |
c5a9aa19 | 287 | struct bt_ctf_field *payload) |
273b65be JG |
288 | { |
289 | int ret = 0; | |
290 | ||
4ce9f9d0 | 291 | if (!event || !payload || event->frozen) { |
273b65be JG |
292 | ret = -1; |
293 | goto end; | |
294 | } | |
295 | ||
c5a9aa19 JG |
296 | if (name) { |
297 | ret = bt_ctf_field_structure_set_field(event->fields_payload, | |
298 | name, payload); | |
299 | } else { | |
300 | struct bt_ctf_field_type *payload_type; | |
301 | ||
302 | payload_type = bt_ctf_field_get_type(payload); | |
09840de5 PP |
303 | |
304 | if (bt_ctf_field_type_compare(payload_type, | |
305 | event->event_class->fields) == 0) { | |
83509119 JG |
306 | bt_put(event->fields_payload); |
307 | bt_get(payload); | |
c5a9aa19 JG |
308 | event->fields_payload = payload; |
309 | } else { | |
310 | ret = -1; | |
311 | } | |
312 | ||
83509119 | 313 | bt_put(payload_type); |
c5a9aa19 | 314 | } |
273b65be JG |
315 | end: |
316 | return ret; | |
317 | } | |
318 | ||
71362d53 PP |
319 | struct bt_ctf_field *bt_ctf_event_get_payload_field(struct bt_ctf_event *event) |
320 | { | |
321 | struct bt_ctf_field *payload = NULL; | |
322 | ||
323 | if (!event || !event->fields_payload) { | |
324 | goto end; | |
325 | } | |
326 | ||
327 | payload = event->fields_payload; | |
83509119 | 328 | bt_get(payload); |
71362d53 PP |
329 | end: |
330 | return payload; | |
331 | } | |
273b65be | 332 | |
e5e6eb3a JG |
333 | int bt_ctf_event_set_payload_field(struct bt_ctf_event *event, |
334 | struct bt_ctf_field *payload) | |
335 | { | |
336 | int ret = 0; | |
337 | struct bt_ctf_field_type *payload_type = NULL; | |
338 | ||
835b2d10 | 339 | if (!event || event->frozen) { |
e5e6eb3a JG |
340 | ret = -1; |
341 | goto end; | |
342 | } | |
343 | ||
344 | payload_type = bt_ctf_field_get_type(payload); | |
345 | if (!payload_type) { | |
346 | ret = -1; | |
347 | goto end; | |
348 | } | |
349 | ||
9a19a512 | 350 | if (bt_ctf_field_type_get_type_id(payload_type) != |
1487a16a | 351 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
e5e6eb3a JG |
352 | ret = -1; |
353 | goto end; | |
354 | } | |
355 | ||
83509119 | 356 | bt_put(event->fields_payload); |
835b2d10 | 357 | event->fields_payload = bt_get(payload); |
e5e6eb3a | 358 | end: |
83509119 | 359 | bt_put(payload_type); |
e5e6eb3a JG |
360 | return ret; |
361 | } | |
362 | ||
273b65be JG |
363 | struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event, |
364 | const char *name) | |
365 | { | |
366 | struct bt_ctf_field *field = NULL; | |
367 | ||
c5a9aa19 | 368 | if (!event) { |
273b65be JG |
369 | goto end; |
370 | } | |
371 | ||
c5a9aa19 JG |
372 | if (name) { |
373 | field = bt_ctf_field_structure_get_field(event->fields_payload, | |
374 | name); | |
375 | } else { | |
376 | field = event->fields_payload; | |
83509119 | 377 | bt_get(field); |
c5a9aa19 | 378 | } |
273b65be JG |
379 | end: |
380 | return field; | |
381 | } | |
382 | ||
2f100782 | 383 | struct bt_ctf_field *bt_ctf_event_get_payload_by_index( |
074ee56d | 384 | struct bt_ctf_event *event, int index) |
2f100782 JG |
385 | { |
386 | struct bt_ctf_field *field = NULL; | |
387 | ||
074ee56d | 388 | if (!event || index < 0) { |
2f100782 JG |
389 | goto end; |
390 | } | |
391 | ||
392 | field = bt_ctf_field_structure_get_field_by_index(event->fields_payload, | |
393 | index); | |
394 | end: | |
395 | return field; | |
396 | } | |
397 | ||
286a2840 | 398 | struct bt_ctf_field *bt_ctf_event_get_header( |
662e778c JG |
399 | struct bt_ctf_event *event) |
400 | { | |
401 | struct bt_ctf_field *header = NULL; | |
402 | ||
403 | if (!event || !event->event_header) { | |
404 | goto end; | |
405 | } | |
406 | ||
407 | header = event->event_header; | |
83509119 | 408 | bt_get(header); |
662e778c JG |
409 | end: |
410 | return header; | |
411 | } | |
412 | ||
286a2840 | 413 | int bt_ctf_event_set_header(struct bt_ctf_event *event, |
662e778c JG |
414 | struct bt_ctf_field *header) |
415 | { | |
416 | int ret = 0; | |
417 | struct bt_ctf_field_type *field_type = NULL; | |
e6a8e8e4 | 418 | struct bt_ctf_stream_class *stream_class = NULL; |
662e778c | 419 | |
835b2d10 | 420 | if (!event || event->frozen) { |
662e778c JG |
421 | ret = -1; |
422 | goto end; | |
423 | } | |
424 | ||
e6a8e8e4 | 425 | stream_class = (struct bt_ctf_stream_class *) bt_object_get_parent( |
835b2d10 | 426 | event->event_class); |
662e778c JG |
427 | /* |
428 | * Ensure the provided header's type matches the one registered to the | |
429 | * stream class. | |
430 | */ | |
431 | field_type = bt_ctf_field_get_type(header); | |
09840de5 PP |
432 | if (bt_ctf_field_type_compare(field_type, |
433 | stream_class->event_header_type)) { | |
662e778c JG |
434 | ret = -1; |
435 | goto end; | |
436 | } | |
437 | ||
83509119 | 438 | bt_put(event->event_header); |
835b2d10 | 439 | event->event_header = bt_get(header); |
662e778c | 440 | end: |
e6a8e8e4 | 441 | bt_put(stream_class); |
83509119 | 442 | bt_put(field_type); |
662e778c JG |
443 | return ret; |
444 | } | |
445 | ||
f655a84d JG |
446 | struct bt_ctf_field *bt_ctf_event_get_event_context( |
447 | struct bt_ctf_event *event) | |
448 | { | |
449 | struct bt_ctf_field *context = NULL; | |
450 | ||
451 | if (!event || !event->context_payload) { | |
452 | goto end; | |
453 | } | |
454 | ||
455 | context = event->context_payload; | |
83509119 | 456 | bt_get(context); |
f655a84d JG |
457 | end: |
458 | return context; | |
459 | } | |
460 | ||
461 | int bt_ctf_event_set_event_context(struct bt_ctf_event *event, | |
462 | struct bt_ctf_field *context) | |
463 | { | |
464 | int ret = 0; | |
465 | struct bt_ctf_field_type *field_type = NULL; | |
466 | ||
835b2d10 | 467 | if (!event || event->frozen) { |
f655a84d JG |
468 | ret = -1; |
469 | goto end; | |
470 | } | |
471 | ||
472 | field_type = bt_ctf_field_get_type(context); | |
09840de5 PP |
473 | if (bt_ctf_field_type_compare(field_type, |
474 | event->event_class->context)) { | |
f655a84d JG |
475 | ret = -1; |
476 | goto end; | |
477 | } | |
478 | ||
83509119 | 479 | bt_put(event->context_payload); |
835b2d10 | 480 | event->context_payload = bt_get(context); |
f655a84d | 481 | end: |
83509119 | 482 | bt_put(field_type); |
f655a84d JG |
483 | return ret; |
484 | } | |
485 | ||
5fd2e9fd PP |
486 | struct bt_ctf_field *bt_ctf_event_get_stream_event_context( |
487 | struct bt_ctf_event *event) | |
488 | { | |
489 | struct bt_ctf_field *stream_event_context = NULL; | |
490 | ||
491 | if (!event || !event->stream_event_context) { | |
492 | goto end; | |
493 | } | |
494 | ||
495 | stream_event_context = event->stream_event_context; | |
496 | end: | |
497 | return bt_get(stream_event_context); | |
498 | } | |
499 | ||
500 | int bt_ctf_event_set_stream_event_context(struct bt_ctf_event *event, | |
501 | struct bt_ctf_field *stream_event_context) | |
502 | { | |
503 | int ret = 0; | |
504 | struct bt_ctf_field_type *field_type = NULL; | |
505 | struct bt_ctf_stream_class *stream_class = NULL; | |
506 | ||
835b2d10 | 507 | if (!event || event->frozen) { |
5fd2e9fd PP |
508 | ret = -1; |
509 | goto end; | |
510 | } | |
511 | ||
512 | stream_class = bt_ctf_event_class_get_stream_class(event->event_class); | |
513 | /* | |
514 | * We should not have been able to create the event without associating | |
515 | * the event class to a stream class. | |
516 | */ | |
517 | assert(stream_class); | |
518 | ||
519 | field_type = bt_ctf_field_get_type(stream_event_context); | |
520 | if (bt_ctf_field_type_compare(field_type, | |
521 | stream_class->event_context_type)) { | |
522 | ret = -1; | |
523 | goto end; | |
524 | } | |
525 | ||
526 | bt_get(stream_event_context); | |
527 | BT_MOVE(event->stream_event_context, stream_event_context); | |
528 | end: | |
529 | BT_PUT(stream_class); | |
530 | bt_put(field_type); | |
531 | return ret; | |
532 | } | |
533 | ||
273b65be JG |
534 | void bt_ctf_event_get(struct bt_ctf_event *event) |
535 | { | |
83509119 | 536 | bt_get(event); |
273b65be JG |
537 | } |
538 | ||
539 | void bt_ctf_event_put(struct bt_ctf_event *event) | |
540 | { | |
83509119 | 541 | bt_put(event); |
273b65be JG |
542 | } |
543 | ||
83509119 | 544 | void bt_ctf_event_destroy(struct bt_object *obj) |
273b65be JG |
545 | { |
546 | struct bt_ctf_event *event; | |
547 | ||
83509119 | 548 | event = container_of(obj, struct bt_ctf_event, base); |
e6a8e8e4 JG |
549 | if (!event->base.parent) { |
550 | /* | |
551 | * Event was keeping a reference to its class since it shared no | |
552 | * common ancestor with it to guarantee they would both have the | |
553 | * same lifetime. | |
554 | */ | |
555 | bt_put(event->event_class); | |
556 | } | |
41ac640a | 557 | g_hash_table_destroy(event->clock_values); |
83509119 | 558 | bt_put(event->event_header); |
5fd2e9fd | 559 | bt_put(event->stream_event_context); |
83509119 JG |
560 | bt_put(event->context_payload); |
561 | bt_put(event->fields_payload); | |
5c3b707d | 562 | bt_put(event->packet); |
273b65be JG |
563 | g_free(event); |
564 | } | |
565 | ||
1556a1af | 566 | struct bt_ctf_clock_value *bt_ctf_event_get_clock_value( |
ac0c6bdd | 567 | struct bt_ctf_event *event, struct bt_ctf_clock_class *clock_class) |
78586d8a | 568 | { |
1556a1af | 569 | struct bt_ctf_clock_value *clock_value = NULL; |
78586d8a | 570 | |
ac0c6bdd | 571 | if (!event || !clock_class) { |
78586d8a JG |
572 | goto end; |
573 | } | |
574 | ||
ac0c6bdd | 575 | clock_value = g_hash_table_lookup(event->clock_values, clock_class); |
78586d8a JG |
576 | if (!clock_value) { |
577 | goto end; | |
578 | } | |
579 | ||
1556a1af JG |
580 | bt_get(clock_value); |
581 | end: | |
582 | return clock_value; | |
583 | } | |
584 | ||
585 | int bt_ctf_event_set_clock_value(struct bt_ctf_event *event, | |
ac0c6bdd | 586 | struct bt_ctf_clock_value *value) |
662e778c JG |
587 | { |
588 | int ret = 0; | |
c9d90a34 PP |
589 | struct bt_ctf_trace *trace; |
590 | struct bt_ctf_stream_class *stream_class; | |
591 | struct bt_ctf_event_class *event_class; | |
592 | struct bt_ctf_clock_class *clock_class = NULL; | |
662e778c | 593 | |
3f3c46b8 | 594 | if (!event || !value || event->frozen) { |
662e778c JG |
595 | ret = -1; |
596 | goto end; | |
597 | } | |
598 | ||
c9d90a34 PP |
599 | clock_class = bt_ctf_clock_value_get_class(value); |
600 | event_class = bt_ctf_event_borrow_event_class(event); | |
601 | assert(event_class); | |
602 | stream_class = bt_ctf_event_class_borrow_stream_class(event_class); | |
603 | assert(stream_class); | |
604 | trace = bt_ctf_stream_class_borrow_trace(stream_class); | |
605 | assert(trace); | |
606 | ||
607 | if (!bt_ctf_trace_has_clock_class(trace, clock_class)) { | |
608 | ret = -1; | |
609 | goto end; | |
610 | } | |
611 | ||
612 | g_hash_table_insert(event->clock_values, clock_class, bt_get(value)); | |
613 | clock_class = NULL; | |
614 | ||
662e778c | 615 | end: |
c9d90a34 | 616 | bt_put(clock_class); |
662e778c JG |
617 | return ret; |
618 | } | |
619 | ||
273b65be JG |
620 | BT_HIDDEN |
621 | int bt_ctf_event_validate(struct bt_ctf_event *event) | |
622 | { | |
623 | /* Make sure each field's payload has been set */ | |
624 | int ret; | |
5fd2e9fd | 625 | struct bt_ctf_stream_class *stream_class = NULL; |
273b65be JG |
626 | |
627 | assert(event); | |
662e778c JG |
628 | ret = bt_ctf_field_validate(event->event_header); |
629 | if (ret) { | |
630 | goto end; | |
631 | } | |
632 | ||
5fd2e9fd PP |
633 | stream_class = bt_ctf_event_class_get_stream_class(event->event_class); |
634 | /* | |
635 | * We should not have been able to create the event without associating | |
636 | * the event class to a stream class. | |
637 | */ | |
638 | assert(stream_class); | |
639 | if (stream_class->event_context_type) { | |
640 | ret = bt_ctf_field_validate(event->stream_event_context); | |
641 | if (ret) { | |
642 | goto end; | |
643 | } | |
644 | } | |
645 | ||
273b65be JG |
646 | ret = bt_ctf_field_validate(event->fields_payload); |
647 | if (ret) { | |
648 | goto end; | |
649 | } | |
650 | ||
651 | if (event->event_class->context) { | |
652 | ret = bt_ctf_field_validate(event->context_payload); | |
653 | } | |
654 | end: | |
5fd2e9fd | 655 | bt_put(stream_class); |
273b65be JG |
656 | return ret; |
657 | } | |
658 | ||
659 | BT_HIDDEN | |
660 | int bt_ctf_event_serialize(struct bt_ctf_event *event, | |
dc3fffef PP |
661 | struct bt_ctf_stream_pos *pos, |
662 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
663 | { |
664 | int ret = 0; | |
665 | ||
666 | assert(event); | |
667 | assert(pos); | |
dc3fffef | 668 | |
273b65be | 669 | if (event->context_payload) { |
dc3fffef PP |
670 | ret = bt_ctf_field_serialize(event->context_payload, pos, |
671 | native_byte_order); | |
273b65be JG |
672 | if (ret) { |
673 | goto end; | |
674 | } | |
675 | } | |
676 | ||
677 | if (event->fields_payload) { | |
dc3fffef PP |
678 | ret = bt_ctf_field_serialize(event->fields_payload, pos, |
679 | native_byte_order); | |
273b65be JG |
680 | if (ret) { |
681 | goto end; | |
682 | } | |
683 | } | |
684 | end: | |
685 | return ret; | |
686 | } | |
687 | ||
5c0f40f4 JG |
688 | struct bt_ctf_packet *bt_ctf_event_get_packet(struct bt_ctf_event *event) |
689 | { | |
690 | struct bt_ctf_packet *packet = NULL; | |
691 | ||
692 | if (!event || !event->packet) { | |
693 | goto end; | |
694 | } | |
695 | ||
696 | packet = bt_get(event->packet); | |
697 | end: | |
698 | return packet; | |
699 | } | |
700 | ||
5c3b707d PP |
701 | int bt_ctf_event_set_packet(struct bt_ctf_event *event, |
702 | struct bt_ctf_packet *packet) | |
703 | { | |
b2b635e9 PP |
704 | struct bt_ctf_stream_class *event_stream_class = NULL; |
705 | struct bt_ctf_stream_class *packet_stream_class = NULL; | |
5c3b707d PP |
706 | struct bt_ctf_stream *stream = NULL; |
707 | int ret = 0; | |
708 | ||
4ce9f9d0 | 709 | if (!event || !packet || event->frozen) { |
5c3b707d PP |
710 | ret = -1; |
711 | goto end; | |
712 | } | |
713 | ||
714 | /* | |
715 | * Make sure the new packet was created by this event's | |
716 | * stream, if it is set. | |
717 | */ | |
718 | stream = bt_ctf_event_get_stream(event); | |
719 | if (stream) { | |
720 | if (packet->stream != stream) { | |
721 | ret = -1; | |
722 | goto end; | |
723 | } | |
724 | } else { | |
b2b635e9 PP |
725 | event_stream_class = |
726 | bt_ctf_event_class_get_stream_class(event->event_class); | |
727 | packet_stream_class = | |
728 | bt_ctf_stream_get_class(packet->stream); | |
729 | ||
730 | assert(event_stream_class); | |
731 | assert(packet_stream_class); | |
732 | ||
733 | if (event_stream_class != packet_stream_class) { | |
734 | ret = -1; | |
735 | goto end; | |
736 | } | |
5c3b707d PP |
737 | } |
738 | ||
cacf3147 PP |
739 | bt_get(packet); |
740 | BT_MOVE(event->packet, packet); | |
5c3b707d PP |
741 | |
742 | end: | |
743 | BT_PUT(stream); | |
b2b635e9 PP |
744 | BT_PUT(event_stream_class); |
745 | BT_PUT(packet_stream_class); | |
5c3b707d PP |
746 | |
747 | return ret; | |
748 | } | |
4ce9f9d0 PP |
749 | |
750 | BT_HIDDEN | |
751 | void bt_ctf_event_freeze(struct bt_ctf_event *event) | |
752 | { | |
753 | assert(event); | |
754 | bt_ctf_packet_freeze(event->packet); | |
755 | bt_ctf_field_freeze(event->event_header); | |
756 | bt_ctf_field_freeze(event->stream_event_context); | |
757 | bt_ctf_field_freeze(event->context_payload); | |
758 | bt_ctf_field_freeze(event->fields_payload); | |
759 | event->frozen = 1; | |
760 | } |