4 * Babeltrace CTF IR - Event
6 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
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:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
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
29 #include <babeltrace/ctf-writer/event.h>
30 #include <babeltrace/ctf-writer/event-types.h>
31 #include <babeltrace/ctf-writer/event-fields.h>
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>
35 #include <babeltrace/ctf-ir/stream-class.h>
36 #include <babeltrace/ctf-ir/stream-class-internal.h>
37 #include <babeltrace/ctf-ir/trace-internal.h>
38 #include <babeltrace/ctf-ir/validation-internal.h>
39 #include <babeltrace/ctf-ir/utils.h>
40 #include <babeltrace/ref.h>
41 #include <babeltrace/ctf-ir/attributes-internal.h>
42 #include <babeltrace/compiler.h>
45 void bt_ctf_event_class_destroy(struct bt_object
*obj
);
47 void bt_ctf_event_destroy(struct bt_object
*obj
);
49 int set_integer_field_value(struct bt_ctf_field
*field
, uint64_t value
);
51 struct bt_ctf_event_class
*bt_ctf_event_class_create(const char *name
)
54 struct bt_value
*obj
= NULL
;
55 struct bt_ctf_event_class
*event_class
= NULL
;
57 if (bt_ctf_validate_identifier(name
)) {
61 event_class
= g_new0(struct bt_ctf_event_class
, 1);
66 bt_object_init(event_class
, bt_ctf_event_class_destroy
);
67 event_class
->fields
= bt_ctf_field_type_structure_create();
68 if (!event_class
->fields
) {
72 event_class
->attributes
= bt_ctf_attributes_create();
73 if (!event_class
->attributes
) {
77 obj
= bt_value_integer_create_init(-1);
82 ret
= bt_ctf_attributes_set_field_value(event_class
->attributes
,
90 obj
= bt_value_string_create_init(name
);
95 ret
= bt_ctf_attributes_set_field_value(event_class
->attributes
,
111 const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class
*event_class
)
113 struct bt_value
*obj
= NULL
;
114 const char *name
= NULL
;
120 obj
= bt_ctf_attributes_get_field_value(event_class
->attributes
,
121 BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX
);
126 if (bt_value_string_get(obj
, &name
)) {
135 int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class
*event_class
)
137 struct bt_value
*obj
= NULL
;
145 obj
= bt_ctf_attributes_get_field_value(event_class
->attributes
,
146 BT_CTF_EVENT_CLASS_ATTR_ID_INDEX
);
151 if (bt_value_integer_get(obj
, &ret
)) {
156 /* means ID is not set */
166 int bt_ctf_event_class_set_id(struct bt_ctf_event_class
*event_class
,
170 struct bt_value
*obj
= NULL
;
171 struct bt_ctf_stream_class
*stream_class
= NULL
;
179 stream_class
= bt_ctf_event_class_get_stream_class(event_class
);
182 * We don't allow changing the id if the event class has already
183 * been added to a stream class.
189 obj
= bt_ctf_attributes_get_field_value(event_class
->attributes
,
190 BT_CTF_EVENT_CLASS_ATTR_ID_INDEX
);
195 if (bt_value_integer_set(obj
, id
)) {
202 BT_PUT(stream_class
);
206 int bt_ctf_event_class_set_attribute(
207 struct bt_ctf_event_class
*event_class
, const char *name
,
208 struct bt_value
*value
)
212 if (!event_class
|| !name
|| !value
|| event_class
->frozen
) {
217 if (!strcmp(name
, "id") || !strcmp(name
, "loglevel")) {
218 if (!bt_value_is_integer(value
)) {
222 } else if (!strcmp(name
, "name") || !strcmp(name
, "model.emf.uri")) {
223 if (!bt_value_is_string(value
)) {
228 /* unknown attribute */
233 /* "id" special case: >= 0 */
234 if (!strcmp(name
, "id")) {
237 ret
= bt_value_integer_get(value
, &val
);
249 ret
= bt_ctf_attributes_set_field_value(event_class
->attributes
,
256 int bt_ctf_event_class_get_attribute_count(
257 struct bt_ctf_event_class
*event_class
)
266 ret
= bt_ctf_attributes_get_count(event_class
->attributes
);
273 bt_ctf_event_class_get_attribute_name(
274 struct bt_ctf_event_class
*event_class
, int index
)
283 ret
= bt_ctf_attributes_get_field_name(event_class
->attributes
, index
);
290 bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class
*event_class
,
293 struct bt_value
*ret
;
300 ret
= bt_ctf_attributes_get_field_value(event_class
->attributes
, index
);
307 bt_ctf_event_class_get_attribute_value_by_name(
308 struct bt_ctf_event_class
*event_class
, const char *name
)
310 struct bt_value
*ret
;
312 if (!event_class
|| !name
) {
317 ret
= bt_ctf_attributes_get_field_value_by_name(event_class
->attributes
,
325 struct bt_ctf_stream_class
*bt_ctf_event_class_get_stream_class(
326 struct bt_ctf_event_class
*event_class
)
328 return (struct bt_ctf_stream_class
*) bt_object_get_parent(event_class
);
331 struct bt_ctf_field_type
*bt_ctf_event_class_get_payload_type(
332 struct bt_ctf_event_class
*event_class
)
334 struct bt_ctf_field_type
*payload
= NULL
;
340 bt_get(event_class
->fields
);
341 payload
= event_class
->fields
;
346 int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class
*event_class
,
347 struct bt_ctf_field_type
*payload
)
351 if (!event_class
|| !payload
||
352 bt_ctf_field_type_get_type_id(payload
) != CTF_TYPE_STRUCT
) {
358 bt_put(event_class
->fields
);
359 event_class
->fields
= payload
;
364 int bt_ctf_event_class_add_field(struct bt_ctf_event_class
*event_class
,
365 struct bt_ctf_field_type
*type
,
370 if (!event_class
|| !type
|| bt_ctf_validate_identifier(name
) ||
371 event_class
->frozen
) {
376 if (bt_ctf_field_type_get_type_id(event_class
->fields
) !=
382 ret
= bt_ctf_field_type_structure_add_field(event_class
->fields
,
388 int bt_ctf_event_class_get_field_count(
389 struct bt_ctf_event_class
*event_class
)
398 if (bt_ctf_field_type_get_type_id(event_class
->fields
) !=
404 ret
= bt_ctf_field_type_structure_get_field_count(event_class
->fields
);
409 int bt_ctf_event_class_get_field(struct bt_ctf_event_class
*event_class
,
410 const char **field_name
, struct bt_ctf_field_type
**field_type
,
415 if (!event_class
|| index
< 0) {
420 if (bt_ctf_field_type_get_type_id(event_class
->fields
) !=
426 ret
= bt_ctf_field_type_structure_get_field(event_class
->fields
,
427 field_name
, field_type
, index
);
432 struct bt_ctf_field_type
*bt_ctf_event_class_get_field_by_name(
433 struct bt_ctf_event_class
*event_class
, const char *name
)
436 struct bt_ctf_field_type
*field_type
= NULL
;
438 if (!event_class
|| !name
) {
442 if (bt_ctf_field_type_get_type_id(event_class
->fields
) !=
447 name_quark
= g_quark_try_string(name
);
453 * No need to increment field_type's reference count since getting it
454 * from the structure already does.
456 field_type
= bt_ctf_field_type_structure_get_field_type_by_name(
457 event_class
->fields
, name
);
462 struct bt_ctf_field_type
*bt_ctf_event_class_get_context_type(
463 struct bt_ctf_event_class
*event_class
)
465 struct bt_ctf_field_type
*context_type
= NULL
;
467 if (!event_class
|| !event_class
->context
) {
471 bt_get(event_class
->context
);
472 context_type
= event_class
->context
;
477 int bt_ctf_event_class_set_context_type(
478 struct bt_ctf_event_class
*event_class
,
479 struct bt_ctf_field_type
*context
)
483 if (!event_class
|| !context
|| event_class
->frozen
) {
488 if (bt_ctf_field_type_get_type_id(context
) != CTF_TYPE_STRUCT
) {
494 bt_put(event_class
->context
);
495 event_class
->context
= context
;
501 void bt_ctf_event_class_get(struct bt_ctf_event_class
*event_class
)
506 void bt_ctf_event_class_put(struct bt_ctf_event_class
*event_class
)
512 int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class
*event_class
,
516 struct bt_value
*obj
;
518 obj
= bt_value_integer_create_init(stream_id
);
525 ret
= bt_ctf_attributes_set_field_value(event_class
->attributes
,
533 struct bt_ctf_event
*bt_ctf_event_create(struct bt_ctf_event_class
*event_class
)
536 enum bt_ctf_validation_flag validation_flags
=
537 BT_CTF_VALIDATION_FLAG_STREAM
|
538 BT_CTF_VALIDATION_FLAG_EVENT
;
539 struct bt_ctf_event
*event
= NULL
;
540 struct bt_ctf_trace
*trace
= NULL
;
541 struct bt_ctf_stream_class
*stream_class
= NULL
;
542 struct bt_ctf_field_type
*packet_header_type
= NULL
;
543 struct bt_ctf_field_type
*packet_context_type
= NULL
;
544 struct bt_ctf_field_type
*event_header_type
= NULL
;
545 struct bt_ctf_field_type
*stream_event_ctx_type
= NULL
;
546 struct bt_ctf_field_type
*event_context_type
= NULL
;
547 struct bt_ctf_field_type
*event_payload_type
= NULL
;
548 struct bt_ctf_field
*event_header
= NULL
;
549 struct bt_ctf_field
*event_context
= NULL
;
550 struct bt_ctf_field
*event_payload
= NULL
;
551 struct bt_value
*environment
= NULL
;
552 struct bt_ctf_validation_output validation_output
= { 0 };
559 stream_class
= bt_ctf_event_class_get_stream_class(event_class
);
562 * We disallow the creation of an event if its event class has not been
563 * associated to a stream class.
569 /* A stream class should always have an existing event header type */
570 assert(stream_class
->event_header_type
);
572 /* The event class was frozen when added to its stream class */
573 assert(event_class
->frozen
);
575 /* Validate the trace (if any), the stream class, and the event class */
576 trace
= bt_ctf_stream_class_get_trace(stream_class
);
578 packet_header_type
= bt_ctf_trace_get_packet_header_type(trace
);
579 trace_valid
= trace
->valid
;
581 environment
= trace
->environment
;
584 packet_context_type
= bt_ctf_stream_class_get_packet_context_type(
586 event_header_type
= bt_ctf_stream_class_get_event_header_type(
588 stream_event_ctx_type
= bt_ctf_stream_class_get_event_context_type(
590 event_context_type
= bt_ctf_event_class_get_context_type(event_class
);
591 event_payload_type
= bt_ctf_event_class_get_payload_type(event_class
);
592 ret
= bt_ctf_validate_class_types(environment
, packet_header_type
,
593 packet_context_type
, event_header_type
, stream_event_ctx_type
,
594 event_context_type
, event_payload_type
, trace_valid
,
595 stream_class
->valid
, event_class
->valid
,
596 &validation_output
, validation_flags
);
597 BT_PUT(packet_header_type
);
598 BT_PUT(packet_context_type
);
599 BT_PUT(event_header_type
);
600 BT_PUT(stream_event_ctx_type
);
601 BT_PUT(event_context_type
);
602 BT_PUT(event_payload_type
);
606 * This means something went wrong during the validation
607 * process, not that the objects are invalid.
612 if ((validation_output
.valid_flags
& validation_flags
) !=
614 /* Invalid trace/stream class/event class */
619 * At this point we know the trace (if associated to the stream
620 * class), the stream class, and the event class, with their
621 * current types, are valid. We may proceed with creating
624 event
= g_new0(struct bt_ctf_event
, 1);
629 bt_object_init(event
, bt_ctf_event_destroy
);
632 * event does not share a common ancestor with the event class; it has
633 * to guarantee its existence by holding a reference. This reference
634 * shall be released once the event is associated to a stream since,
635 * from that point, the event and its class will share the same
638 event
->event_class
= bt_get(event_class
);
640 bt_ctf_field_create(validation_output
.event_header_type
);
646 if (validation_output
.event_context_type
) {
647 event_context
= bt_ctf_field_create(
648 validation_output
.event_context_type
);
649 if (!event_context
) {
654 if (validation_output
.event_payload_type
) {
655 event_payload
= bt_ctf_field_create(
656 validation_output
.event_payload_type
);
657 if (!event_payload
) {
663 * At this point all the fields are created, potentially from
664 * validated copies of field types, so that the field types and
665 * fields can be replaced in the trace, stream class,
666 * event class, and created event.
668 bt_ctf_validation_replace_types(trace
, stream_class
,
669 event_class
, &validation_output
, validation_flags
);
670 BT_MOVE(event
->event_header
, event_header
);
671 BT_MOVE(event
->context_payload
, event_context
);
672 BT_MOVE(event
->fields_payload
, event_payload
);
675 * Put what was not moved in bt_ctf_validation_replace_types().
677 bt_ctf_validation_output_put_types(&validation_output
);
680 * Freeze the stream class since the event header must not be changed
683 bt_ctf_stream_class_freeze(stream_class
);
686 * Mark stream class, and event class as valid since
687 * they're all frozen now.
689 stream_class
->valid
= 1;
690 event_class
->valid
= 1;
692 /* Put stuff we borrowed from the event class */
693 BT_PUT(stream_class
);
699 bt_ctf_validation_output_put_types(&validation_output
);
701 BT_PUT(stream_class
);
703 BT_PUT(event_header
);
704 BT_PUT(event_context
);
705 BT_PUT(event_payload
);
706 assert(!packet_header_type
);
707 assert(!packet_context_type
);
708 assert(!event_header_type
);
709 assert(!stream_event_ctx_type
);
710 assert(!event_context_type
);
711 assert(!event_payload_type
);
716 struct bt_ctf_event_class
*bt_ctf_event_get_class(struct bt_ctf_event
*event
)
718 struct bt_ctf_event_class
*event_class
= NULL
;
724 event_class
= event
->event_class
;
730 struct bt_ctf_stream
*bt_ctf_event_get_stream(struct bt_ctf_event
*event
)
732 return (struct bt_ctf_stream
*) bt_object_get_parent(event
);
735 struct bt_ctf_clock
*bt_ctf_event_get_clock(struct bt_ctf_event
*event
)
737 struct bt_ctf_clock
*clock
= NULL
;
738 struct bt_ctf_event_class
*event_class
;
739 struct bt_ctf_stream_class
*stream_class
;
745 event_class
= bt_ctf_event_get_class(event
);
750 stream_class
= bt_ctf_event_class_get_stream_class(event_class
);
752 goto error_put_event_class
;
755 clock
= bt_ctf_stream_class_get_clock(stream_class
);
757 goto error_put_stream_class
;
760 error_put_stream_class
:
761 bt_put(stream_class
);
762 error_put_event_class
:
768 int bt_ctf_event_set_payload(struct bt_ctf_event
*event
,
770 struct bt_ctf_field
*payload
)
774 if (!event
|| !payload
) {
780 ret
= bt_ctf_field_structure_set_field(event
->fields_payload
,
783 struct bt_ctf_field_type
*payload_type
;
785 payload_type
= bt_ctf_field_get_type(payload
);
787 if (bt_ctf_field_type_compare(payload_type
,
788 event
->event_class
->fields
) == 0) {
789 bt_put(event
->fields_payload
);
791 event
->fields_payload
= payload
;
796 bt_put(payload_type
);
802 struct bt_ctf_field
*bt_ctf_event_get_payload_field(struct bt_ctf_event
*event
)
804 struct bt_ctf_field
*payload
= NULL
;
806 if (!event
|| !event
->fields_payload
) {
810 payload
= event
->fields_payload
;
816 int bt_ctf_event_set_payload_field(struct bt_ctf_event
*event
,
817 struct bt_ctf_field
*payload
)
820 struct bt_ctf_field_type
*payload_type
= NULL
;
822 if (!event
|| !payload
) {
827 payload_type
= bt_ctf_field_get_type(payload
);
833 if (bt_ctf_field_type_get_type_id(payload_type
) != CTF_TYPE_STRUCT
) {
839 bt_put(event
->fields_payload
);
840 event
->fields_payload
= payload
;
843 bt_put(payload_type
);
847 struct bt_ctf_field
*bt_ctf_event_get_payload(struct bt_ctf_event
*event
,
850 struct bt_ctf_field
*field
= NULL
;
857 field
= bt_ctf_field_structure_get_field(event
->fields_payload
,
860 field
= event
->fields_payload
;
867 struct bt_ctf_field
*bt_ctf_event_get_payload_by_index(
868 struct bt_ctf_event
*event
, int index
)
870 struct bt_ctf_field
*field
= NULL
;
872 if (!event
|| index
< 0) {
876 field
= bt_ctf_field_structure_get_field_by_index(event
->fields_payload
,
882 struct bt_ctf_field
*bt_ctf_event_get_header(
883 struct bt_ctf_event
*event
)
885 struct bt_ctf_field
*header
= NULL
;
887 if (!event
|| !event
->event_header
) {
891 header
= event
->event_header
;
897 int bt_ctf_event_set_header(struct bt_ctf_event
*event
,
898 struct bt_ctf_field
*header
)
901 struct bt_ctf_field_type
*field_type
= NULL
;
902 struct bt_ctf_stream_class
*stream_class
= NULL
;
904 if (!event
|| !header
) {
909 stream_class
= (struct bt_ctf_stream_class
*) bt_object_get_parent(
912 * Ensure the provided header's type matches the one registered to the
915 field_type
= bt_ctf_field_get_type(header
);
916 if (bt_ctf_field_type_compare(field_type
,
917 stream_class
->event_header_type
)) {
923 bt_put(event
->event_header
);
924 event
->event_header
= header
;
926 bt_put(stream_class
);
931 struct bt_ctf_field
*bt_ctf_event_get_event_context(
932 struct bt_ctf_event
*event
)
934 struct bt_ctf_field
*context
= NULL
;
936 if (!event
|| !event
->context_payload
) {
940 context
= event
->context_payload
;
946 int bt_ctf_event_set_event_context(struct bt_ctf_event
*event
,
947 struct bt_ctf_field
*context
)
950 struct bt_ctf_field_type
*field_type
= NULL
;
952 if (!event
|| !context
) {
957 field_type
= bt_ctf_field_get_type(context
);
958 if (bt_ctf_field_type_compare(field_type
,
959 event
->event_class
->context
)) {
965 bt_put(event
->context_payload
);
966 event
->context_payload
= context
;
972 void bt_ctf_event_get(struct bt_ctf_event
*event
)
977 void bt_ctf_event_put(struct bt_ctf_event
*event
)
983 void bt_ctf_event_class_destroy(struct bt_object
*obj
)
985 struct bt_ctf_event_class
*event_class
;
987 event_class
= container_of(obj
, struct bt_ctf_event_class
, base
);
988 bt_ctf_attributes_destroy(event_class
->attributes
);
989 bt_put(event_class
->context
);
990 bt_put(event_class
->fields
);
995 void bt_ctf_event_destroy(struct bt_object
*obj
)
997 struct bt_ctf_event
*event
;
999 event
= container_of(obj
, struct bt_ctf_event
, base
);
1000 if (!event
->base
.parent
) {
1002 * Event was keeping a reference to its class since it shared no
1003 * common ancestor with it to guarantee they would both have the
1006 bt_put(event
->event_class
);
1008 bt_put(event
->event_header
);
1009 bt_put(event
->context_payload
);
1010 bt_put(event
->fields_payload
);
1015 int set_integer_field_value(struct bt_ctf_field
* field
, uint64_t value
)
1018 struct bt_ctf_field_type
*field_type
= NULL
;
1025 if (!bt_ctf_field_validate(field
)) {
1026 /* Payload already set, skip! (not an error) */
1030 field_type
= bt_ctf_field_get_type(field
);
1033 if (bt_ctf_field_type_get_type_id(field_type
) != CTF_TYPE_INTEGER
) {
1034 /* Not an integer and the value is unset, error. */
1039 if (bt_ctf_field_type_integer_get_signed(field_type
)) {
1040 ret
= bt_ctf_field_signed_integer_set_value(field
, (int64_t) value
);
1042 /* Value is out of range, error. */
1046 ret
= bt_ctf_field_unsigned_integer_set_value(field
, value
);
1048 /* Value is out of range, error. */
1058 void bt_ctf_event_class_freeze(struct bt_ctf_event_class
*event_class
)
1060 assert(event_class
);
1061 event_class
->frozen
= 1;
1062 bt_ctf_field_type_freeze(event_class
->context
);
1063 bt_ctf_field_type_freeze(event_class
->fields
);
1064 bt_ctf_attributes_freeze(event_class
->attributes
);
1068 int bt_ctf_event_class_serialize(struct bt_ctf_event_class
*event_class
,
1069 struct metadata_context
*context
)
1074 struct bt_value
*attr_value
= NULL
;
1076 assert(event_class
);
1079 context
->current_indentation_level
= 1;
1080 g_string_assign(context
->field_name
, "");
1081 g_string_append(context
->string
, "event {\n");
1082 count
= bt_ctf_event_class_get_attribute_count(event_class
);
1089 for (i
= 0; i
< count
; ++i
) {
1090 const char *attr_name
= NULL
;
1092 attr_name
= bt_ctf_event_class_get_attribute_name(
1094 attr_value
= bt_ctf_event_class_get_attribute_value(
1097 if (!attr_name
|| !attr_value
) {
1102 switch (bt_value_get_type(attr_value
)) {
1103 case BT_VALUE_TYPE_INTEGER
:
1107 ret
= bt_value_integer_get(attr_value
, &value
);
1113 g_string_append_printf(context
->string
,
1114 "\t%s = %" PRId64
";\n", attr_name
, value
);
1118 case BT_VALUE_TYPE_STRING
:
1122 ret
= bt_value_string_get(attr_value
, &value
);
1128 g_string_append_printf(context
->string
,
1129 "\t%s = \"%s\";\n", attr_name
, value
);
1134 /* should never happen */
1142 if (event_class
->context
) {
1143 g_string_append(context
->string
, "\tcontext := ");
1144 ret
= bt_ctf_field_type_serialize(event_class
->context
,
1149 g_string_append(context
->string
, ";\n");
1152 if (event_class
->fields
) {
1153 g_string_append(context
->string
, "\tfields := ");
1154 ret
= bt_ctf_field_type_serialize(event_class
->fields
, context
);
1158 g_string_append(context
->string
, ";\n");
1161 g_string_append(context
->string
, "};\n\n");
1163 context
->current_indentation_level
= 0;
1168 void bt_ctf_event_class_set_native_byte_order(
1169 struct bt_ctf_event_class
*event_class
,
1176 assert(byte_order
== 0 || byte_order
== LITTLE_ENDIAN
||
1177 byte_order
== BIG_ENDIAN
);
1179 bt_ctf_field_type_set_native_byte_order(event_class
->context
,
1181 bt_ctf_field_type_set_native_byte_order(event_class
->fields
,
1186 int bt_ctf_event_validate(struct bt_ctf_event
*event
)
1188 /* Make sure each field's payload has been set */
1192 ret
= bt_ctf_field_validate(event
->event_header
);
1197 ret
= bt_ctf_field_validate(event
->fields_payload
);
1202 if (event
->event_class
->context
) {
1203 ret
= bt_ctf_field_validate(event
->context_payload
);
1210 int bt_ctf_event_serialize(struct bt_ctf_event
*event
,
1211 struct ctf_stream_pos
*pos
)
1217 if (event
->context_payload
) {
1218 ret
= bt_ctf_field_serialize(event
->context_payload
, pos
);
1224 if (event
->fields_payload
) {
1225 ret
= bt_ctf_field_serialize(event
->fields_payload
, pos
);
1235 int bt_ctf_event_populate_event_header(struct bt_ctf_event
*event
)
1238 struct bt_ctf_field
*id_field
= NULL
, *timestamp_field
= NULL
;
1245 id_field
= bt_ctf_field_structure_get_field(event
->event_header
, "id");
1247 ret
= set_integer_field_value(id_field
,
1248 (uint64_t) bt_ctf_event_class_get_id(
1249 event
->event_class
));
1255 timestamp_field
= bt_ctf_field_structure_get_field(event
->event_header
,
1257 if (timestamp_field
) {
1258 struct bt_ctf_field_type
*timestamp_field_type
=
1259 bt_ctf_field_get_type(timestamp_field
);
1260 struct bt_ctf_clock
*mapped_clock
;
1262 assert(timestamp_field_type
);
1263 mapped_clock
= bt_ctf_field_type_integer_get_mapped_clock(
1264 timestamp_field_type
);
1265 bt_put(timestamp_field_type
);
1269 ret
= bt_ctf_clock_get_time(mapped_clock
, ×tamp
);
1270 bt_put(mapped_clock
);
1275 ret
= set_integer_field_value(timestamp_field
,
1284 bt_put(timestamp_field
);
1288 struct bt_ctf_event
*bt_ctf_event_copy(struct bt_ctf_event
*event
)
1290 struct bt_ctf_event
*copy
= NULL
;
1296 copy
= g_new0(struct bt_ctf_event
, 1);
1301 bt_object_init(copy
, bt_ctf_event_destroy
);
1302 copy
->event_class
= bt_get(event
->event_class
);
1304 if (event
->event_header
) {
1305 copy
->event_header
= bt_ctf_field_copy(event
->event_header
);
1307 if (!copy
->event_header
) {
1312 if (event
->context_payload
) {
1313 copy
->context_payload
= bt_ctf_field_copy(
1314 event
->context_payload
);
1316 if (!copy
->context_payload
) {
1321 if (event
->fields_payload
) {
1322 copy
->fields_payload
= bt_ctf_field_copy(event
->fields_payload
);
1324 if (!copy
->fields_payload
) {