[babeltrace.git] / lib / trace-ir / event.c

/*
 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#define BT_LOG_TAG "EVENT"
#include <babeltrace/lib-logging-internal.h>

#include <babeltrace/assert-pre-internal.h>
#include <babeltrace/trace-ir/field-internal.h>
#include <babeltrace/trace-ir/field-class-internal.h>
#include <babeltrace/trace-ir/clock-class.h>
#include <babeltrace/trace-ir/clock-value-const.h>
#include <babeltrace/trace-ir/clock-value-internal.h>
#include <babeltrace/trace-ir/clock-class-internal.h>
#include <babeltrace/trace-ir/event-const.h>
#include <babeltrace/trace-ir/event-internal.h>
#include <babeltrace/trace-ir/event-class.h>
#include <babeltrace/trace-ir/event-class-internal.h>
#include <babeltrace/trace-ir/stream-class.h>
#include <babeltrace/trace-ir/stream-class-const.h>
#include <babeltrace/trace-ir/stream-class-internal.h>
#include <babeltrace/trace-ir/stream-internal.h>
#include <babeltrace/trace-ir/packet.h>
#include <babeltrace/trace-ir/packet-internal.h>
#include <babeltrace/trace-ir/trace.h>
#include <babeltrace/trace-ir/trace-internal.h>
#include <babeltrace/trace-ir/packet-internal.h>
#include <babeltrace/object.h>
#include <babeltrace/trace-ir/attributes-internal.h>
#include <babeltrace/compiler-internal.h>
#include <babeltrace/assert-internal.h>
#include <inttypes.h>

BT_HIDDEN
void _bt_event_set_is_frozen(const struct bt_event *event, bool is_frozen)
{
	BT_ASSERT(event);
	BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
		event, is_frozen);

	if (event->header_field) {
		BT_LOGD_STR("Setting event's header field's frozen state.");
		bt_field_set_is_frozen(
			event->header_field->field, is_frozen);
	}

	if (event->common_context_field) {
		BT_LOGD_STR("Setting event's common context field's frozen state.");
		bt_field_set_is_frozen(
			event->common_context_field, is_frozen);
	}

	if (event->specific_context_field) {
		BT_LOGD_STR("Setting event's specific context field's frozen state.");
		bt_field_set_is_frozen(event->specific_context_field,
			is_frozen);
	}

	if (event->payload_field) {
		BT_LOGD_STR("Setting event's payload field's frozen state.");
		bt_field_set_is_frozen(event->payload_field,
			is_frozen);
	}

	((struct bt_event *) event)->frozen = is_frozen;
	BT_LOGD_STR("Setting event's packet's frozen state.");
	bt_packet_set_is_frozen(event->packet, is_frozen);
}

static
void recycle_event_header_field(struct bt_field_wrapper *field_wrapper,
		struct bt_stream_class *stream_class)
{
	BT_ASSERT(field_wrapper);
	BT_LIB_LOGD("Recycling event header field: "
		"addr=%p, %![sc-]+S, %![field-]+f", field_wrapper,
		stream_class, field_wrapper->field);
	bt_object_pool_recycle_object(
		&stream_class->event_header_field_pool,
		field_wrapper);
}

static inline
struct bt_field_wrapper *create_event_header_field(
		struct bt_stream_class *stream_class)
{
	struct bt_field_wrapper *field_wrapper = NULL;

	field_wrapper = bt_field_wrapper_create(
		&stream_class->event_header_field_pool,
		stream_class->event_header_fc);
	if (!field_wrapper) {
		goto error;
	}

	goto end;

error:
	if (field_wrapper) {
		recycle_event_header_field(field_wrapper, stream_class);
		field_wrapper = NULL;
	}

end:
	return field_wrapper;
}

BT_HIDDEN
struct bt_event *bt_event_new(struct bt_event_class *event_class)
{
	struct bt_event *event = NULL;
	struct bt_stream_class *stream_class;
	struct bt_field_class *fc;

	BT_ASSERT(event_class);
	event = g_new0(struct bt_event, 1);
	if (!event) {
		BT_LOGE_STR("Failed to allocate one event.");
		goto error;
	}

	bt_object_init_unique(&event->base);
	stream_class = bt_event_class_borrow_stream_class(event_class);
	BT_ASSERT(stream_class);

	if (stream_class->event_header_fc) {
		event->header_field = create_event_header_field(stream_class);
		if (!event->header_field) {
			BT_LOGE_STR("Cannot create event header field.");
			goto error;
		}
	}

	fc = stream_class->event_common_context_fc;
	if (fc) {
		event->common_context_field = bt_field_create(fc);
		if (!event->common_context_field) {
			/* bt_field_create() logs errors */
			goto error;
		}
	}

	fc = event_class->specific_context_fc;
	if (fc) {
		event->specific_context_field = bt_field_create(fc);
		if (!event->specific_context_field) {
			/* bt_field_create() logs errors */
			goto error;
		}
	}

	fc = event_class->payload_fc;
	if (fc) {
		event->payload_field = bt_field_create(fc);
		if (!event->payload_field) {
			/* bt_field_create() logs errors */
			goto error;
		}
	}

	if (stream_class->default_clock_class) {
		event->default_cv = bt_clock_value_create(
			stream_class->default_clock_class);
		if (!event->default_cv) {
			/* bt_clock_value_create() logs errors */
			goto error;
		}
	}

	goto end;

error:
	if (event) {
		bt_event_destroy(event);
		event = NULL;
	}

end:
	return event;
}

struct bt_event_class *bt_event_borrow_class(struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->class;
}

const struct bt_event_class *bt_event_borrow_class_const(
		const struct bt_event *event)
{
	return bt_event_borrow_class((void *) event);
}

struct bt_stream *bt_event_borrow_stream(struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->packet ? event->packet->stream : NULL;
}

const struct bt_stream *bt_event_borrow_stream_const(
		const struct bt_event *event)
{
	return bt_event_borrow_stream((void *) event);
}

struct bt_field *bt_event_borrow_header_field(struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->header_field ? event->header_field->field : NULL;
}

const struct bt_field *bt_event_borrow_header_field_const(
		const struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->header_field ? event->header_field->field : NULL;
}

struct bt_field *bt_event_borrow_common_context_field(struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->common_context_field;
}

const struct bt_field *bt_event_borrow_common_context_field_const(
		const struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->common_context_field;
}

struct bt_field *bt_event_borrow_specific_context_field(struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->specific_context_field;
}

const struct bt_field *bt_event_borrow_specific_context_field_const(
		const struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->specific_context_field;
}

struct bt_field *bt_event_borrow_payload_field(struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->payload_field;
}

const struct bt_field *bt_event_borrow_payload_field_const(
		const struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->payload_field;
}

static
void release_event_header_field(struct bt_field_wrapper *field_wrapper,
		struct bt_event *event)
{
	if (!event->class) {
		bt_field_wrapper_destroy(field_wrapper);
	} else {
		struct bt_stream_class *stream_class =
			bt_event_class_borrow_stream_class(event->class);

		BT_ASSERT(stream_class);
		recycle_event_header_field(field_wrapper, stream_class);
	}
}

BT_HIDDEN
void bt_event_destroy(struct bt_event *event)
{
	BT_ASSERT(event);
	BT_LIB_LOGD("Destroying event: %!+e", event);

	if (event->header_field) {
		BT_LOGD_STR("Releasing event's header field.");
		release_event_header_field(event->header_field, event);
		event->header_field = NULL;
	}

	if (event->common_context_field) {
		BT_LOGD_STR("Destroying event's stream event context field.");
		bt_field_destroy(event->common_context_field);
		event->common_context_field = NULL;
	}

	if (event->specific_context_field) {
		BT_LOGD_STR("Destroying event's context field.");
		bt_field_destroy(event->specific_context_field);
		event->specific_context_field = NULL;
	}

	if (event->payload_field) {
		BT_LOGD_STR("Destroying event's payload field.");
		bt_field_destroy(event->payload_field);
		event->payload_field = NULL;
	}

	BT_LOGD_STR("Putting event's class.");
	bt_object_put_ref(event->class);

	if (event->default_cv) {
		bt_clock_value_recycle(event->default_cv);
		event->default_cv = NULL;
	}

	BT_LOGD_STR("Putting event's packet.");
	BT_OBJECT_PUT_REF_AND_RESET(event->packet);
	g_free(event);
}

void bt_event_set_default_clock_value(struct bt_event *event,
		uint64_t value_cycles)
{
	struct bt_stream_class *sc;

	BT_ASSERT_PRE_NON_NULL(event, "Event");
	BT_ASSERT_PRE_EVENT_HOT(event);
	sc = bt_event_class_borrow_stream_class_inline(event->class);
	BT_ASSERT(sc);
	BT_ASSERT_PRE(sc->default_clock_class,
		"Event's stream class has no default clock class: "
		"%![ev-]+e, %![sc-]+S", event, sc);
	BT_ASSERT(event->default_cv);
	bt_clock_value_set_value_inline(event->default_cv, value_cycles);
	BT_LIB_LOGV("Set event's default clock value: %![event-]+e, "
		"value=%" PRIu64, event, value_cycles);
}

enum bt_clock_value_status bt_event_borrow_default_clock_value_const(
		const struct bt_event *event,
		const struct bt_clock_value **clock_value)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	BT_ASSERT_PRE_NON_NULL(clock_value, "Clock value (output)");
	*clock_value = event->default_cv;
	return BT_CLOCK_VALUE_STATUS_KNOWN;
}

struct bt_packet *bt_event_borrow_packet(struct bt_event *event)
{
	BT_ASSERT_PRE_NON_NULL(event, "Event");
	return event->packet;
}

const struct bt_packet *bt_event_borrow_packet_const(
		const struct bt_event *event)
{
	return bt_event_borrow_packet((void *) event);
}

int bt_event_move_header_field(struct bt_event *event,
		struct bt_event_header_field *header_field)
{
	struct bt_stream_class *stream_class;
	struct bt_field_wrapper *field_wrapper = (void *) header_field;

	BT_ASSERT_PRE_NON_NULL(event, "Event");
	BT_ASSERT_PRE_NON_NULL(field_wrapper, "Header field");
	BT_ASSERT_PRE_EVENT_HOT(event);
	stream_class = bt_event_class_borrow_stream_class_inline(event->class);
	BT_ASSERT_PRE(stream_class->event_header_fc,
		"Stream class has no event header field class: %!+S",
		stream_class);

	/* Recycle current header field: always exists */
	BT_ASSERT(event->header_field);
	recycle_event_header_field(event->header_field, stream_class);

	/* Move new field */
	event->header_field = field_wrapper;
	return 0;
}
Commit	Line	Data
273b65be	1	/*
de9dd397	2	* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
273b65be JG	3	*
	4	* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	19	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	22	* SOFTWARE.
	23	*/
	24
7b010242 PP	25	#define BT_LOG_TAG "EVENT"
	26	#include <babeltrace/lib-logging-internal.h>
	27
8deee039	28	#include <babeltrace/assert-pre-internal.h>
0f15f666 PP	29	#include <babeltrace/trace-ir/field-internal.h>
0f15f666 PP	30	#include <babeltrace/trace-ir/field-class-internal.h>
108b91d0	31	#include <babeltrace/trace-ir/clock-class.h>
78cf9df6	32	#include <babeltrace/trace-ir/clock-value-const.h>
108b91d0 PP	33	#include <babeltrace/trace-ir/clock-value-internal.h>
108b91d0 PP	34	#include <babeltrace/trace-ir/clock-class-internal.h>
78cf9df6	35	#include <babeltrace/trace-ir/event-const.h>
108b91d0 PP	36	#include <babeltrace/trace-ir/event-internal.h>
	37	#include <babeltrace/trace-ir/event-class.h>
	38	#include <babeltrace/trace-ir/event-class-internal.h>
	39	#include <babeltrace/trace-ir/stream-class.h>
78cf9df6	40	#include <babeltrace/trace-ir/stream-class-const.h>
108b91d0 PP	41	#include <babeltrace/trace-ir/stream-class-internal.h>
	42	#include <babeltrace/trace-ir/stream-internal.h>
	43	#include <babeltrace/trace-ir/packet.h>
	44	#include <babeltrace/trace-ir/packet-internal.h>
	45	#include <babeltrace/trace-ir/trace.h>
	46	#include <babeltrace/trace-ir/trace-internal.h>
	47	#include <babeltrace/trace-ir/packet-internal.h>
8138bfe1	48	#include <babeltrace/object.h>
108b91d0	49	#include <babeltrace/trace-ir/attributes-internal.h>
3d9990ac	50	#include <babeltrace/compiler-internal.h>
8b45963b	51	#include <babeltrace/assert-internal.h>
7b010242	52	#include <inttypes.h>
273b65be	53
8deee039	54	BT_HIDDEN
78cf9df6	55	void _bt_event_set_is_frozen(const struct bt_event *event, bool is_frozen)
8deee039	56	{
8deee039	57	BT_ASSERT(event);
7b33a0e0 PP	58	BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
7b33a0e0 PP	59	event, is_frozen);
a6918753 PP	60
a6918753 PP	61	if (event->header_field) {
7b33a0e0 PP	62	BT_LOGD_STR("Setting event's header field's frozen state.");
7b33a0e0 PP	63	bt_field_set_is_frozen(
c5a24b0a	64	event->header_field->field, is_frozen);
a6918753 PP	65	}
a6918753 PP	66
7b33a0e0 PP	67	if (event->common_context_field) {
	68	BT_LOGD_STR("Setting event's common context field's frozen state.");
	69	bt_field_set_is_frozen(
	70	event->common_context_field, is_frozen);
a6918753 PP	71	}
a6918753 PP	72
7b33a0e0 PP	73	if (event->specific_context_field) {
	74	BT_LOGD_STR("Setting event's specific context field's frozen state.");
	75	bt_field_set_is_frozen(event->specific_context_field,
c5a24b0a	76	is_frozen);
a6918753 PP	77	}
	78
	79	if (event->payload_field) {
7b33a0e0 PP	80	BT_LOGD_STR("Setting event's payload field's frozen state.");
7b33a0e0 PP	81	bt_field_set_is_frozen(event->payload_field,
c5a24b0a	82	is_frozen);
a6918753 PP	83	}
a6918753 PP	84
78cf9df6	85	((struct bt_event *) event)->frozen = is_frozen;
7b33a0e0	86	BT_LOGD_STR("Setting event's packet's frozen state.");
18acc6f8	87	bt_packet_set_is_frozen(event->packet, is_frozen);
8deee039 PP	88	}
8deee039 PP	89
a6918753	90	static
7b33a0e0	91	void recycle_event_header_field(struct bt_field_wrapper *field_wrapper,
a6918753 PP	92	struct bt_stream_class *stream_class)
	93	{
	94	BT_ASSERT(field_wrapper);
	95	BT_LIB_LOGD("Recycling event header field: "
	96	"addr=%p, %![sc-]+S, %![field-]+f", field_wrapper,
	97	stream_class, field_wrapper->field);
	98	bt_object_pool_recycle_object(
	99	&stream_class->event_header_field_pool,
	100	field_wrapper);
	101	}
	102
7b33a0e0	103	static inline
a6918753	104	struct bt_field_wrapper *create_event_header_field(
7b33a0e0	105	struct bt_stream_class *stream_class)
a6918753 PP	106	{
	107	struct bt_field_wrapper *field_wrapper = NULL;
	108
	109	field_wrapper = bt_field_wrapper_create(
7b33a0e0	110	&stream_class->event_header_field_pool,
78cf9df6	111	stream_class->event_header_fc);
a6918753 PP	112	if (!field_wrapper) {
	113	goto error;
	114	}
	115
	116	goto end;
	117
	118	error:
	119	if (field_wrapper) {
7b33a0e0	120	recycle_event_header_field(field_wrapper, stream_class);
a6918753 PP	121	field_wrapper = NULL;
	122	}
	123
	124	end:
	125	return field_wrapper;
	126	}
	127
	128	BT_HIDDEN
	129	struct bt_event bt_event_new(struct bt_event_class event_class)
8deee039	130	{
8deee039	131	struct bt_event *event = NULL;
a6918753	132	struct bt_stream_class *stream_class;
939190b3	133	struct bt_field_class *fc;
8deee039	134
7b33a0e0	135	BT_ASSERT(event_class);
8deee039 PP	136	event = g_new0(struct bt_event, 1);
	137	if (!event) {
	138	BT_LOGE_STR("Failed to allocate one event.");
	139	goto error;
	140	}
	141
7b33a0e0	142	bt_object_init_unique(&event->base);
a6918753 PP	143	stream_class = bt_event_class_borrow_stream_class(event_class);
a6918753 PP	144	BT_ASSERT(stream_class);
7b33a0e0	145
78cf9df6	146	if (stream_class->event_header_fc) {
7b33a0e0 PP	147	event->header_field = create_event_header_field(stream_class);
	148	if (!event->header_field) {
	149	BT_LOGE_STR("Cannot create event header field.");
	150	goto error;
	151	}
	152	}
	153
78cf9df6	154	fc = stream_class->event_common_context_fc;
939190b3 PP	155	if (fc) {
939190b3 PP	156	event->common_context_field = bt_field_create(fc);
7b33a0e0 PP	157	if (!event->common_context_field) {
	158	/* bt_field_create() logs errors */
	159	goto error;
	160	}
	161	}
	162
78cf9df6	163	fc = event_class->specific_context_fc;
939190b3 PP	164	if (fc) {
939190b3 PP	165	event->specific_context_field = bt_field_create(fc);
7b33a0e0 PP	166	if (!event->specific_context_field) {
	167	/* bt_field_create() logs errors */
	168	goto error;
	169	}
	170	}
	171
78cf9df6	172	fc = event_class->payload_fc;
939190b3 PP	173	if (fc) {
939190b3 PP	174	event->payload_field = bt_field_create(fc);
7b33a0e0 PP	175	if (!event->payload_field) {
	176	/* bt_field_create() logs errors */
	177	goto error;
	178	}
	179	}
	180
	181	if (stream_class->default_clock_class) {
	182	event->default_cv = bt_clock_value_create(
	183	stream_class->default_clock_class);
	184	if (!event->default_cv) {
	185	/* bt_clock_value_create() logs errors */
	186	goto error;
	187	}
a6918753 PP	188	}
a6918753 PP	189
8deee039 PP	190	goto end;
	191
	192	error:
a6918753 PP	193	if (event) {
	194	bt_event_destroy(event);
	195	event = NULL;
	196	}
	197
	198	end:
	199	return event;
	200	}
	201
5fe68922	202	struct bt_event_class bt_event_borrow_class(struct bt_event event)
2f100782	203	{
8b45963b	204	BT_ASSERT_PRE_NON_NULL(event, "Event");
18acc6f8	205	return event->class;
2f100782 JG	206	}
2f100782 JG	207
78cf9df6 PP	208	const struct bt_event_class *bt_event_borrow_class_const(
	209	const struct bt_event *event)
	210	{
	211	return bt_event_borrow_class((void *) event);
	212	}
	213
8b45963b	214	struct bt_stream bt_event_borrow_stream(struct bt_event event)
8b45963b PP	215	{
8b45963b PP	216	BT_ASSERT_PRE_NON_NULL(event, "Event");
5fe68922	217	return event->packet ? event->packet->stream : NULL;
8b45963b PP	218	}
8b45963b PP	219
78cf9df6 PP	220	const struct bt_stream *bt_event_borrow_stream_const(
	221	const struct bt_event *event)
	222	{
	223	return bt_event_borrow_stream((void *) event);
	224	}
	225
7b33a0e0	226	struct bt_field bt_event_borrow_header_field(struct bt_event event)
e5e6eb3a	227	{
18acc6f8	228	BT_ASSERT_PRE_NON_NULL(event, "Event");
7b33a0e0	229	return event->header_field ? event->header_field->field : NULL;
e5e6eb3a JG	230	}
e5e6eb3a JG	231
78cf9df6 PP	232	const struct bt_field *bt_event_borrow_header_field_const(
78cf9df6 PP	233	const struct bt_event *event)
9e550e5f	234	{
78cf9df6 PP	235	BT_ASSERT_PRE_NON_NULL(event, "Event");
78cf9df6 PP	236	return event->header_field ? event->header_field->field : NULL;
9e550e5f PP	237	}
9e550e5f PP	238
7b33a0e0	239	struct bt_field bt_event_borrow_common_context_field(struct bt_event event)
662e778c	240	{
18acc6f8	241	BT_ASSERT_PRE_NON_NULL(event, "Event");
7b33a0e0	242	return event->common_context_field;
662e778c JG	243	}
662e778c JG	244
78cf9df6 PP	245	const struct bt_field *bt_event_borrow_common_context_field_const(
78cf9df6 PP	246	const struct bt_event *event)
9e550e5f	247	{
78cf9df6 PP	248	BT_ASSERT_PRE_NON_NULL(event, "Event");
78cf9df6 PP	249	return event->common_context_field;
9e550e5f PP	250	}
9e550e5f PP	251
7b33a0e0	252	struct bt_field bt_event_borrow_specific_context_field(struct bt_event event)
f655a84d	253	{
18acc6f8	254	BT_ASSERT_PRE_NON_NULL(event, "Event");
7b33a0e0	255	return event->specific_context_field;
f655a84d JG	256	}
f655a84d JG	257
78cf9df6 PP	258	const struct bt_field *bt_event_borrow_specific_context_field_const(
78cf9df6 PP	259	const struct bt_event *event)
9e550e5f	260	{
78cf9df6 PP	261	BT_ASSERT_PRE_NON_NULL(event, "Event");
78cf9df6 PP	262	return event->specific_context_field;
9e550e5f PP	263	}
9e550e5f PP	264
7b33a0e0	265	struct bt_field bt_event_borrow_payload_field(struct bt_event event)
5fd2e9fd	266	{
18acc6f8	267	BT_ASSERT_PRE_NON_NULL(event, "Event");
7b33a0e0	268	return event->payload_field;
5fd2e9fd PP	269	}
5fd2e9fd PP	270
78cf9df6 PP	271	const struct bt_field *bt_event_borrow_payload_field_const(
78cf9df6 PP	272	const struct bt_event *event)
9e550e5f	273	{
78cf9df6 PP	274	BT_ASSERT_PRE_NON_NULL(event, "Event");
78cf9df6 PP	275	return event->payload_field;
9e550e5f PP	276	}
9e550e5f PP	277
a6918753 PP	278	static
a6918753 PP	279	void release_event_header_field(struct bt_field_wrapper *field_wrapper,
18acc6f8	280	struct bt_event *event)
273b65be	281	{
7b33a0e0	282	if (!event->class) {
a6918753 PP	283	bt_field_wrapper_destroy(field_wrapper);
	284	} else {
	285	struct bt_stream_class *stream_class =
7b33a0e0	286	bt_event_class_borrow_stream_class(event->class);
a6918753 PP	287
a6918753 PP	288	BT_ASSERT(stream_class);
7b33a0e0	289	recycle_event_header_field(field_wrapper, stream_class);
a6918753	290	}
273b65be JG	291	}
273b65be JG	292
7b33a0e0 PP	293	BT_HIDDEN
7b33a0e0 PP	294	void bt_event_destroy(struct bt_event *event)
18acc6f8	295	{
7b33a0e0 PP	296	BT_ASSERT(event);
7b33a0e0 PP	297	BT_LIB_LOGD("Destroying event: %!+e", event);
18acc6f8 PP	298
	299	if (event->header_field) {
	300	BT_LOGD_STR("Releasing event's header field.");
7b33a0e0	301	release_event_header_field(event->header_field, event);
1248f5ea	302	event->header_field = NULL;
18acc6f8 PP	303	}
18acc6f8 PP	304
7b33a0e0 PP	305	if (event->common_context_field) {
	306	BT_LOGD_STR("Destroying event's stream event context field.");
	307	bt_field_destroy(event->common_context_field);
1248f5ea	308	event->common_context_field = NULL;
18acc6f8 PP	309	}
18acc6f8 PP	310
7b33a0e0 PP	311	if (event->specific_context_field) {
	312	BT_LOGD_STR("Destroying event's context field.");
	313	bt_field_destroy(event->specific_context_field);
1248f5ea	314	event->specific_context_field = NULL;
18acc6f8 PP	315	}
	316
	317	if (event->payload_field) {
7b33a0e0 PP	318	BT_LOGD_STR("Destroying event's payload field.");
7b33a0e0 PP	319	bt_field_destroy(event->payload_field);
1248f5ea	320	event->payload_field = NULL;
18acc6f8 PP	321	}
18acc6f8 PP	322
7b33a0e0	323	BT_LOGD_STR("Putting event's class.");
8138bfe1	324	bt_object_put_ref(event->class);
7b33a0e0 PP	325
	326	if (event->default_cv) {
	327	bt_clock_value_recycle(event->default_cv);
1248f5ea	328	event->default_cv = NULL;
18acc6f8	329	}
18acc6f8	330
03039f21	331	BT_LOGD_STR("Putting event's packet.");
1248f5ea	332	BT_OBJECT_PUT_REF_AND_RESET(event->packet);
273b65be JG	333	g_free(event);
	334	}
	335
78cf9df6 PP	336	void bt_event_set_default_clock_value(struct bt_event *event,
78cf9df6 PP	337	uint64_t value_cycles)
8fc063a2	338	{
7b33a0e0 PP	339	struct bt_stream_class *sc;
7b33a0e0 PP	340
8fc063a2	341	BT_ASSERT_PRE_NON_NULL(event, "Event");
7b33a0e0 PP	342	BT_ASSERT_PRE_EVENT_HOT(event);
	343	sc = bt_event_class_borrow_stream_class_inline(event->class);
	344	BT_ASSERT(sc);
	345	BT_ASSERT_PRE(sc->default_clock_class,
	346	"Event's stream class has no default clock class: "
	347	"%![ev-]+e, %![sc-]+S", event, sc);
	348	BT_ASSERT(event->default_cv);
	349	bt_clock_value_set_value_inline(event->default_cv, value_cycles);
	350	BT_LIB_LOGV("Set event's default clock value: %![event-]+e, "
	351	"value=%" PRIu64, event, value_cycles);
8fc063a2 PP	352	}
8fc063a2 PP	353
78cf9df6 PP	354	enum bt_clock_value_status bt_event_borrow_default_clock_value_const(
	355	const struct bt_event *event,
	356	const struct bt_clock_value **clock_value)
78586d8a	357	{
8b45963b	358	BT_ASSERT_PRE_NON_NULL(event, "Event");
7b33a0e0 PP	359	BT_ASSERT_PRE_NON_NULL(clock_value, "Clock value (output)");
	360	*clock_value = event->default_cv;
	361	return BT_CLOCK_VALUE_STATUS_KNOWN;
1556a1af JG	362	}
1556a1af JG	363
5fe68922	364	struct bt_packet bt_event_borrow_packet(struct bt_event event)
5c0f40f4	365	{
8b45963b	366	BT_ASSERT_PRE_NON_NULL(event, "Event");
7b33a0e0	367	return event->packet;
5c0f40f4 JG	368	}
5c0f40f4 JG	369
78cf9df6 PP	370	const struct bt_packet *bt_event_borrow_packet_const(
78cf9df6 PP	371	const struct bt_event *event)
9e550e5f	372	{
78cf9df6	373	return bt_event_borrow_packet((void *) event);
9e550e5f PP	374	}
9e550e5f PP	375
78cf9df6 PP	376	int bt_event_move_header_field(struct bt_event *event,
78cf9df6 PP	377	struct bt_event_header_field *header_field)
a6918753 PP	378	{
a6918753 PP	379	struct bt_stream_class *stream_class;
78cf9df6	380	struct bt_field_wrapper field_wrapper = (void ) header_field;
a6918753 PP	381
	382	BT_ASSERT_PRE_NON_NULL(event, "Event");
	383	BT_ASSERT_PRE_NON_NULL(field_wrapper, "Header field");
7b33a0e0 PP	384	BT_ASSERT_PRE_EVENT_HOT(event);
7b33a0e0 PP	385	stream_class = bt_event_class_borrow_stream_class_inline(event->class);
939190b3	386	BT_ASSERT_PRE(stream_class->event_header_fc,
66fd07a5	387	"Stream class has no event header field class: %!+S",
a6918753 PP	388	stream_class);
	389
	390	/* Recycle current header field: always exists */
18acc6f8	391	BT_ASSERT(event->header_field);
7b33a0e0	392	recycle_event_header_field(event->header_field, stream_class);
a6918753 PP	393
a6918753 PP	394	/* Move new field */
7b33a0e0	395	event->header_field = field_wrapper;
a6918753 PP	396	return 0;
a6918753 PP	397	}