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> |
273b65be JG |
39 | #include <babeltrace/compiler.h> |
40 | ||
41 | static | |
42 | void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref); | |
43 | static | |
44 | void bt_ctf_event_destroy(struct bt_ctf_ref *ref); | |
45 | ||
46 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) | |
47 | { | |
48 | struct bt_ctf_event_class *event_class = NULL; | |
49 | ||
654c1444 | 50 | if (bt_ctf_validate_identifier(name)) { |
273b65be JG |
51 | goto end; |
52 | } | |
53 | ||
54 | event_class = g_new0(struct bt_ctf_event_class, 1); | |
55 | if (!event_class) { | |
56 | goto end; | |
57 | } | |
58 | ||
59 | bt_ctf_ref_init(&event_class->ref_count); | |
60 | event_class->name = g_quark_from_string(name); | |
61 | end: | |
62 | return event_class; | |
63 | } | |
64 | ||
2f100782 JG |
65 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) |
66 | { | |
67 | const char *name = NULL; | |
68 | ||
69 | if (!event_class) { | |
70 | goto end; | |
71 | } | |
72 | ||
73 | name = g_quark_to_string(event_class->name); | |
74 | end: | |
75 | return name; | |
76 | } | |
77 | ||
78 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) | |
79 | { | |
80 | int64_t ret; | |
81 | ||
82 | if (!event_class || !event_class->id_set) { | |
83 | ret = -1; | |
84 | goto end; | |
85 | } | |
86 | ||
87 | ret = (int64_t) event_class->id; | |
88 | end: | |
89 | return ret; | |
90 | } | |
91 | ||
92 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, | |
93 | uint32_t id) | |
94 | { | |
95 | int ret = 0; | |
96 | ||
97 | if (!event_class) { | |
98 | ret = -1; | |
99 | goto end; | |
100 | } | |
101 | ||
102 | if (event_class->stream_class) { | |
103 | /* | |
104 | * We don't allow changing the id if the event class has already | |
105 | * been added to a stream class. | |
106 | */ | |
107 | ret = -1; | |
108 | goto end; | |
109 | } | |
110 | ||
111 | event_class->id = id; | |
112 | event_class->id_set = 1; | |
113 | end: | |
114 | return ret; | |
115 | } | |
116 | ||
117 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( | |
118 | struct bt_ctf_event_class *event_class) | |
119 | { | |
120 | struct bt_ctf_stream_class *stream_class = NULL; | |
121 | ||
122 | if (!event_class) { | |
123 | goto end; | |
124 | } | |
125 | ||
126 | stream_class = event_class->stream_class; | |
127 | bt_ctf_stream_class_get(stream_class); | |
128 | end: | |
129 | return stream_class; | |
130 | } | |
131 | ||
273b65be JG |
132 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, |
133 | struct bt_ctf_field_type *type, | |
134 | const char *name) | |
135 | { | |
136 | int ret = 0; | |
137 | ||
654c1444 | 138 | if (!event_class || !type || bt_ctf_validate_identifier(name) || |
273b65be JG |
139 | event_class->frozen) { |
140 | ret = -1; | |
141 | goto end; | |
142 | } | |
143 | ||
144 | if (!event_class->fields) { | |
145 | event_class->fields = bt_ctf_field_type_structure_create(); | |
146 | if (!event_class->fields) { | |
147 | ret = -1; | |
148 | goto end; | |
149 | } | |
150 | } | |
151 | ||
152 | ret = bt_ctf_field_type_structure_add_field(event_class->fields, | |
153 | type, name); | |
154 | end: | |
155 | return ret; | |
156 | } | |
157 | ||
074ee56d | 158 | int bt_ctf_event_class_get_field_count( |
2f100782 JG |
159 | struct bt_ctf_event_class *event_class) |
160 | { | |
074ee56d | 161 | int ret; |
2f100782 JG |
162 | |
163 | if (!event_class) { | |
164 | ret = -1; | |
165 | goto end; | |
166 | } | |
167 | ||
168 | ret = bt_ctf_field_type_structure_get_field_count(event_class->fields); | |
169 | end: | |
170 | return ret; | |
171 | } | |
172 | ||
173 | int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class, | |
174 | const char **field_name, struct bt_ctf_field_type **field_type, | |
074ee56d | 175 | int index) |
2f100782 JG |
176 | { |
177 | int ret; | |
178 | ||
074ee56d | 179 | if (!event_class || index < 0) { |
2f100782 JG |
180 | ret = -1; |
181 | goto end; | |
182 | } | |
183 | ||
184 | ret = bt_ctf_field_type_structure_get_field(event_class->fields, | |
185 | field_name, field_type, index); | |
186 | end: | |
187 | return ret; | |
188 | } | |
189 | ||
190 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( | |
191 | struct bt_ctf_event_class *event_class, const char *name) | |
192 | { | |
193 | GQuark name_quark; | |
194 | struct bt_ctf_field_type *field_type = NULL; | |
195 | ||
196 | if (!event_class || !name) { | |
197 | goto end; | |
198 | } | |
199 | ||
200 | name_quark = g_quark_try_string(name); | |
201 | if (!name_quark) { | |
202 | goto end; | |
203 | } | |
204 | ||
205 | /* | |
206 | * No need to increment field_type's reference count since getting it | |
207 | * from the structure already does. | |
208 | */ | |
209 | field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
210 | event_class->fields, name); | |
211 | end: | |
212 | return field_type; | |
213 | } | |
214 | ||
f655a84d JG |
215 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_type( |
216 | struct bt_ctf_event_class *event_class) | |
217 | { | |
218 | struct bt_ctf_field_type *context_type = NULL; | |
219 | ||
220 | if (!event_class || !event_class->context) { | |
221 | goto end; | |
222 | } | |
223 | ||
224 | bt_ctf_field_type_get(event_class->context); | |
225 | context_type = event_class->context; | |
226 | end: | |
227 | return context_type; | |
228 | } | |
229 | ||
230 | int bt_ctf_event_class_set_context_type( | |
231 | struct bt_ctf_event_class *event_class, | |
232 | struct bt_ctf_field_type *context) | |
233 | { | |
234 | int ret = 0; | |
235 | ||
236 | if (!event_class || !context || event_class->frozen) { | |
237 | ret = -1; | |
238 | goto end; | |
239 | } | |
240 | ||
241 | if (bt_ctf_field_type_get_type_id(context) != CTF_TYPE_STRUCT) { | |
242 | ret = -1; | |
243 | goto end; | |
244 | } | |
245 | ||
246 | bt_ctf_field_type_get(context); | |
247 | bt_ctf_field_type_put(event_class->context); | |
248 | event_class->context = context; | |
249 | end: | |
250 | return ret; | |
251 | ||
252 | } | |
253 | ||
273b65be JG |
254 | void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class) |
255 | { | |
256 | if (!event_class) { | |
257 | return; | |
258 | } | |
259 | ||
260 | bt_ctf_ref_get(&event_class->ref_count); | |
261 | } | |
262 | ||
263 | void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class) | |
264 | { | |
265 | if (!event_class) { | |
266 | return; | |
267 | } | |
268 | ||
269 | bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy); | |
270 | } | |
271 | ||
272 | struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class) | |
273 | { | |
274 | struct bt_ctf_event *event = NULL; | |
275 | ||
276 | if (!event_class) { | |
277 | goto end; | |
278 | } | |
279 | ||
280 | event = g_new0(struct bt_ctf_event, 1); | |
281 | if (!event) { | |
282 | goto end; | |
283 | } | |
284 | ||
285 | bt_ctf_ref_init(&event->ref_count); | |
286 | bt_ctf_event_class_get(event_class); | |
287 | bt_ctf_event_class_freeze(event_class); | |
288 | event->event_class = event_class; | |
f655a84d JG |
289 | if (event_class->context) { |
290 | event->context_payload = bt_ctf_field_create( | |
291 | event_class->context); | |
292 | } | |
273b65be JG |
293 | event->fields_payload = bt_ctf_field_create(event_class->fields); |
294 | end: | |
295 | return event; | |
296 | } | |
297 | ||
2f100782 JG |
298 | struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event) |
299 | { | |
300 | struct bt_ctf_event_class *event_class = NULL; | |
301 | ||
302 | if (!event) { | |
303 | goto end; | |
304 | } | |
305 | ||
306 | event_class = event->event_class; | |
307 | bt_ctf_event_class_get(event_class); | |
308 | end: | |
309 | return event_class; | |
310 | } | |
311 | ||
312 | struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event) | |
313 | { | |
314 | struct bt_ctf_clock *clock = NULL; | |
315 | struct bt_ctf_event_class *event_class; | |
316 | struct bt_ctf_stream_class *stream_class; | |
317 | ||
318 | if (!event) { | |
319 | goto end; | |
320 | } | |
321 | ||
322 | event_class = bt_ctf_event_get_class(event); | |
323 | if (!event_class) { | |
324 | goto end; | |
325 | } | |
326 | ||
327 | stream_class = bt_ctf_event_class_get_stream_class(event_class); | |
328 | if (!stream_class) { | |
329 | goto error_put_event_class; | |
330 | } | |
331 | ||
332 | clock = bt_ctf_stream_class_get_clock(stream_class); | |
333 | if (!clock) { | |
334 | goto error_put_stream_class; | |
335 | } | |
336 | ||
337 | error_put_stream_class: | |
338 | bt_ctf_stream_class_put(stream_class); | |
339 | error_put_event_class: | |
340 | bt_ctf_event_class_put(event_class); | |
341 | end: | |
342 | return clock; | |
343 | } | |
344 | ||
273b65be JG |
345 | int bt_ctf_event_set_payload(struct bt_ctf_event *event, |
346 | const char *name, | |
347 | struct bt_ctf_field *value) | |
348 | { | |
349 | int ret = 0; | |
350 | ||
654c1444 | 351 | if (!event || !value || bt_ctf_validate_identifier(name)) { |
273b65be JG |
352 | ret = -1; |
353 | goto end; | |
354 | } | |
355 | ||
356 | ret = bt_ctf_field_structure_set_field(event->fields_payload, | |
357 | name, value); | |
358 | end: | |
359 | return ret; | |
360 | } | |
361 | ||
362 | ||
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 | ||
368 | if (!event || !name) { | |
369 | goto end; | |
370 | } | |
371 | ||
372 | field = bt_ctf_field_structure_get_field(event->fields_payload, name); | |
373 | end: | |
374 | return field; | |
375 | } | |
376 | ||
2f100782 | 377 | struct bt_ctf_field *bt_ctf_event_get_payload_by_index( |
074ee56d | 378 | struct bt_ctf_event *event, int index) |
2f100782 JG |
379 | { |
380 | struct bt_ctf_field *field = NULL; | |
381 | ||
074ee56d | 382 | if (!event || index < 0) { |
2f100782 JG |
383 | goto end; |
384 | } | |
385 | ||
386 | field = bt_ctf_field_structure_get_field_by_index(event->fields_payload, | |
387 | index); | |
388 | end: | |
389 | return field; | |
390 | } | |
391 | ||
f655a84d JG |
392 | struct bt_ctf_field *bt_ctf_event_get_event_context( |
393 | struct bt_ctf_event *event) | |
394 | { | |
395 | struct bt_ctf_field *context = NULL; | |
396 | ||
397 | if (!event || !event->context_payload) { | |
398 | goto end; | |
399 | } | |
400 | ||
401 | context = event->context_payload; | |
402 | bt_ctf_field_get(context); | |
403 | end: | |
404 | return context; | |
405 | } | |
406 | ||
407 | int bt_ctf_event_set_event_context(struct bt_ctf_event *event, | |
408 | struct bt_ctf_field *context) | |
409 | { | |
410 | int ret = 0; | |
411 | struct bt_ctf_field_type *field_type = NULL; | |
412 | ||
413 | if (!event || !context) { | |
414 | ret = -1; | |
415 | goto end; | |
416 | } | |
417 | ||
418 | field_type = bt_ctf_field_get_type(context); | |
419 | if (field_type != event->event_class->context) { | |
420 | ret = -1; | |
421 | goto end; | |
422 | } | |
423 | ||
424 | bt_ctf_field_get(context); | |
425 | bt_ctf_field_put(event->context_payload); | |
426 | event->context_payload = context; | |
427 | end: | |
428 | if (field_type) { | |
429 | bt_ctf_field_type_put(field_type); | |
430 | } | |
431 | return ret; | |
432 | } | |
433 | ||
273b65be JG |
434 | void bt_ctf_event_get(struct bt_ctf_event *event) |
435 | { | |
436 | if (!event) { | |
437 | return; | |
438 | } | |
439 | ||
440 | bt_ctf_ref_get(&event->ref_count); | |
441 | } | |
442 | ||
443 | void bt_ctf_event_put(struct bt_ctf_event *event) | |
444 | { | |
445 | if (!event) { | |
446 | return; | |
447 | } | |
448 | ||
449 | bt_ctf_ref_put(&event->ref_count, bt_ctf_event_destroy); | |
450 | } | |
451 | ||
452 | static | |
453 | void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref) | |
454 | { | |
455 | struct bt_ctf_event_class *event_class; | |
456 | ||
457 | if (!ref) { | |
458 | return; | |
459 | } | |
460 | ||
2f100782 JG |
461 | /* |
462 | * Don't call put() on the stream class. See comment in | |
463 | * bt_ctf_event_class_set_stream_class for explanation. | |
464 | */ | |
273b65be | 465 | event_class = container_of(ref, struct bt_ctf_event_class, ref_count); |
f655a84d JG |
466 | if (event_class->context) { |
467 | bt_ctf_field_type_put(event_class->context); | |
468 | } | |
469 | if (event_class->fields) { | |
470 | bt_ctf_field_type_put(event_class->fields); | |
471 | } | |
273b65be JG |
472 | g_free(event_class); |
473 | } | |
474 | ||
475 | static | |
476 | void bt_ctf_event_destroy(struct bt_ctf_ref *ref) | |
477 | { | |
478 | struct bt_ctf_event *event; | |
479 | ||
480 | if (!ref) { | |
481 | return; | |
482 | } | |
483 | ||
484 | event = container_of(ref, struct bt_ctf_event, | |
485 | ref_count); | |
f655a84d JG |
486 | if (event->event_class) { |
487 | bt_ctf_event_class_put(event->event_class); | |
488 | } | |
489 | if (event->context_payload) { | |
490 | bt_ctf_field_put(event->context_payload); | |
491 | } | |
492 | if (event->fields_payload) { | |
493 | bt_ctf_field_put(event->fields_payload); | |
494 | } | |
273b65be JG |
495 | g_free(event); |
496 | } | |
497 | ||
498 | BT_HIDDEN | |
499 | void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class) | |
500 | { | |
501 | assert(event_class); | |
502 | event_class->frozen = 1; | |
503 | bt_ctf_field_type_freeze(event_class->context); | |
504 | bt_ctf_field_type_freeze(event_class->fields); | |
505 | } | |
506 | ||
507 | BT_HIDDEN | |
2f100782 JG |
508 | int bt_ctf_event_class_set_stream_class(struct bt_ctf_event_class *event_class, |
509 | struct bt_ctf_stream_class *stream_class) | |
273b65be JG |
510 | { |
511 | int ret = 0; | |
512 | ||
2f100782 | 513 | if (!event_class) { |
273b65be JG |
514 | ret = -1; |
515 | goto end; | |
516 | } | |
517 | ||
2f100782 JG |
518 | /* Allow a NULL stream_class to unset the current stream_class */ |
519 | if (stream_class && event_class->stream_class) { | |
273b65be JG |
520 | ret = -1; |
521 | goto end; | |
522 | } | |
523 | ||
2f100782 JG |
524 | event_class->stream_class = stream_class; |
525 | /* | |
526 | * We don't get() the stream_class since doing so would introduce | |
527 | * a circular ownership between event classes and stream classes. | |
528 | * | |
529 | * A stream class will always unset itself from its events before | |
530 | * being destroyed. This ensures that a user won't get a pointer | |
531 | * to a stale stream class instance from an event class. | |
532 | */ | |
273b65be JG |
533 | end: |
534 | return ret; | |
535 | } | |
536 | ||
537 | BT_HIDDEN | |
538 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, | |
539 | struct metadata_context *context) | |
540 | { | |
541 | int ret = 0; | |
2f100782 | 542 | int64_t stream_id; |
273b65be JG |
543 | |
544 | assert(event_class); | |
545 | assert(context); | |
2f100782 JG |
546 | stream_id = bt_ctf_stream_class_get_id(event_class->stream_class); |
547 | if (stream_id < 0) { | |
548 | ret = -1; | |
549 | goto end; | |
550 | } | |
551 | ||
273b65be JG |
552 | context->current_indentation_level = 1; |
553 | g_string_assign(context->field_name, ""); | |
de876b7f | 554 | g_string_append_printf(context->string, "event {\n\tname = \"%s\";\n\tid = %u;\n\tstream_id = %" PRId64 ";\n", |
273b65be JG |
555 | g_quark_to_string(event_class->name), |
556 | event_class->id, | |
2f100782 | 557 | stream_id); |
273b65be JG |
558 | |
559 | if (event_class->context) { | |
560 | g_string_append(context->string, "\tcontext := "); | |
561 | ret = bt_ctf_field_type_serialize(event_class->context, | |
562 | context); | |
563 | if (ret) { | |
564 | goto end; | |
565 | } | |
566 | g_string_append(context->string, ";\n"); | |
567 | } | |
568 | ||
569 | if (event_class->fields) { | |
570 | g_string_append(context->string, "\tfields := "); | |
571 | ret = bt_ctf_field_type_serialize(event_class->fields, context); | |
572 | if (ret) { | |
573 | goto end; | |
574 | } | |
575 | g_string_append(context->string, ";\n"); | |
576 | } | |
577 | ||
578 | g_string_append(context->string, "};\n\n"); | |
579 | end: | |
580 | context->current_indentation_level = 0; | |
581 | return ret; | |
582 | } | |
583 | ||
c35a1669 JG |
584 | void bt_ctf_event_class_set_native_byte_order( |
585 | struct bt_ctf_event_class *event_class, | |
586 | int byte_order) | |
587 | { | |
588 | if (!event_class) { | |
589 | return; | |
590 | } | |
591 | ||
592 | bt_ctf_field_type_set_native_byte_order(event_class->context, | |
593 | byte_order); | |
594 | bt_ctf_field_type_set_native_byte_order(event_class->fields, | |
595 | byte_order); | |
596 | } | |
597 | ||
273b65be JG |
598 | BT_HIDDEN |
599 | int bt_ctf_event_validate(struct bt_ctf_event *event) | |
600 | { | |
601 | /* Make sure each field's payload has been set */ | |
602 | int ret; | |
603 | ||
604 | assert(event); | |
605 | ret = bt_ctf_field_validate(event->fields_payload); | |
606 | if (ret) { | |
607 | goto end; | |
608 | } | |
609 | ||
610 | if (event->event_class->context) { | |
611 | ret = bt_ctf_field_validate(event->context_payload); | |
612 | } | |
613 | end: | |
614 | return ret; | |
615 | } | |
616 | ||
617 | BT_HIDDEN | |
618 | int bt_ctf_event_serialize(struct bt_ctf_event *event, | |
619 | struct ctf_stream_pos *pos) | |
620 | { | |
621 | int ret = 0; | |
622 | ||
623 | assert(event); | |
624 | assert(pos); | |
625 | if (event->context_payload) { | |
626 | ret = bt_ctf_field_serialize(event->context_payload, pos); | |
627 | if (ret) { | |
628 | goto end; | |
629 | } | |
630 | } | |
631 | ||
632 | if (event->fields_payload) { | |
633 | ret = bt_ctf_field_serialize(event->fields_payload, pos); | |
634 | if (ret) { | |
635 | goto end; | |
636 | } | |
637 | } | |
638 | end: | |
639 | return ret; | |
640 | } | |
641 | ||
642 | BT_HIDDEN | |
643 | int bt_ctf_event_set_timestamp(struct bt_ctf_event *event, | |
644 | uint64_t timestamp) | |
645 | { | |
646 | int ret = 0; | |
647 | ||
648 | assert(event); | |
649 | if (event->timestamp) { | |
650 | ret = -1; | |
651 | goto end; | |
652 | } | |
653 | ||
654 | event->timestamp = timestamp; | |
655 | end: | |
656 | return ret; | |
657 | } | |
658 | ||
659 | BT_HIDDEN | |
660 | uint64_t bt_ctf_event_get_timestamp(struct bt_ctf_event *event) | |
661 | { | |
662 | assert(event); | |
663 | return event->timestamp; | |
664 | } |