[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/fields-internal.h>
#include <babeltrace/trace-ir/field-classes-internal.h>
#include <babeltrace/trace-ir/clock-class.h>
#include <babeltrace/trace-ir/clock-value.h>
#include <babeltrace/trace-ir/clock-value-internal.h>
#include <babeltrace/trace-ir/clock-class-internal.h>
#include <babeltrace/trace-ir/private-event.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-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(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);
	}

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

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

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

	fc = bt_event_class_borrow_payload_field_class(event_class);
	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;
}

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;
}

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;
}

struct bt_private_field *bt_private_event_borrow_header_field(
		struct bt_private_event *event)
{
	return (void *) bt_event_borrow_header_field((void *) event);
}

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;
}

struct bt_private_field *bt_private_event_borrow_common_context_field(
		struct bt_private_event *event)
{
	return (void *) bt_event_borrow_common_context_field((void *) event);
}

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;
}

struct bt_private_field *bt_private_event_borrow_specific_context_field(
		struct bt_private_event *event)
{
	return (void *) bt_event_borrow_specific_context_field((void *) event);
}

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

struct bt_private_field *bt_private_event_borrow_payload_field(
		struct bt_private_event *event)
{
	return (void *) bt_event_borrow_payload_field((void *) event);
}

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_private_event_set_default_clock_value(
		struct bt_private_event *priv_event, uint64_t value_cycles)
{
	struct bt_event *event = (void *) priv_event;
	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(
		struct bt_event *event, 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;
}

struct bt_private_packet *bt_private_event_borrow_packet(
		struct bt_private_event *event)
{
	return (void *) bt_event_borrow_packet((void *) event);
}

int bt_private_event_move_header_field(
		struct bt_private_event *priv_event,
		struct bt_private_event_header_field *priv_header_field)
{
	struct bt_stream_class *stream_class;
	struct bt_event *event = (void *) priv_event;
	struct bt_event_class *event_class = (void *) event_class;
	struct bt_field_wrapper *field_wrapper = (void *) priv_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 classe: %!+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
3dca2276	28	#include <babeltrace/assert-pre-internal.h>
56e18c4c	29	#include <babeltrace/trace-ir/fields-internal.h>
5cd6d0e5	30	#include <babeltrace/trace-ir/field-classes-internal.h>
56e18c4c PP	31	#include <babeltrace/trace-ir/clock-class.h>
	32	#include <babeltrace/trace-ir/clock-value.h>
	33	#include <babeltrace/trace-ir/clock-value-internal.h>
	34	#include <babeltrace/trace-ir/clock-class-internal.h>
e5be10ef	35	#include <babeltrace/trace-ir/private-event.h>
56e18c4c 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>
	40	#include <babeltrace/trace-ir/stream-class-internal.h>
	41	#include <babeltrace/trace-ir/stream-internal.h>
	42	#include <babeltrace/trace-ir/packet.h>
	43	#include <babeltrace/trace-ir/packet-internal.h>
	44	#include <babeltrace/trace-ir/trace.h>
	45	#include <babeltrace/trace-ir/trace-internal.h>
	46	#include <babeltrace/trace-ir/packet-internal.h>
65300d60	47	#include <babeltrace/object.h>
56e18c4c	48	#include <babeltrace/trace-ir/attributes-internal.h>
3d9990ac	49	#include <babeltrace/compiler-internal.h>
f6ccaed9	50	#include <babeltrace/assert-internal.h>
7b010242	51	#include <inttypes.h>
273b65be	52
3dca2276	53	BT_HIDDEN
44c440bc	54	void _bt_event_set_is_frozen(struct bt_event *event, bool is_frozen)
3dca2276	55	{
3dca2276	56	BT_ASSERT(event);
44c440bc PP	57	BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
44c440bc PP	58	event, is_frozen);
312c056a PP	59
312c056a PP	60	if (event->header_field) {
44c440bc PP	61	BT_LOGD_STR("Setting event's header field's frozen state.");
44c440bc PP	62	bt_field_set_is_frozen(
6c677fb5	63	event->header_field->field, is_frozen);
312c056a PP	64	}
312c056a PP	65
44c440bc PP	66	if (event->common_context_field) {
	67	BT_LOGD_STR("Setting event's common context field's frozen state.");
	68	bt_field_set_is_frozen(
	69	event->common_context_field, is_frozen);
312c056a PP	70	}
312c056a PP	71
44c440bc PP	72	if (event->specific_context_field) {
	73	BT_LOGD_STR("Setting event's specific context field's frozen state.");
	74	bt_field_set_is_frozen(event->specific_context_field,
6c677fb5	75	is_frozen);
312c056a PP	76	}
	77
	78	if (event->payload_field) {
44c440bc PP	79	BT_LOGD_STR("Setting event's payload field's frozen state.");
44c440bc PP	80	bt_field_set_is_frozen(event->payload_field,
6c677fb5	81	is_frozen);
312c056a PP	82	}
312c056a PP	83
6c677fb5	84	event->frozen = is_frozen;
44c440bc	85	BT_LOGD_STR("Setting event's packet's frozen state.");
cb6f1f7d	86	bt_packet_set_is_frozen(event->packet, is_frozen);
3dca2276 PP	87	}
3dca2276 PP	88
312c056a	89	static
44c440bc	90	void recycle_event_header_field(struct bt_field_wrapper *field_wrapper,
312c056a PP	91	struct bt_stream_class *stream_class)
	92	{
	93	BT_ASSERT(field_wrapper);
	94	BT_LIB_LOGD("Recycling event header field: "
	95	"addr=%p, %![sc-]+S, %![field-]+f", field_wrapper,
	96	stream_class, field_wrapper->field);
	97	bt_object_pool_recycle_object(
	98	&stream_class->event_header_field_pool,
	99	field_wrapper);
	100	}
	101
44c440bc	102	static inline
312c056a	103	struct bt_field_wrapper *create_event_header_field(
44c440bc	104	struct bt_stream_class *stream_class)
312c056a PP	105	{
	106	struct bt_field_wrapper *field_wrapper = NULL;
	107
	108	field_wrapper = bt_field_wrapper_create(
44c440bc	109	&stream_class->event_header_field_pool,
5cd6d0e5	110	bt_stream_class_borrow_event_header_field_class(stream_class));
312c056a PP	111	if (!field_wrapper) {
	112	goto error;
	113	}
	114
	115	goto end;
	116
	117	error:
	118	if (field_wrapper) {
44c440bc	119	recycle_event_header_field(field_wrapper, stream_class);
312c056a PP	120	field_wrapper = NULL;
	121	}
	122
	123	end:
	124	return field_wrapper;
	125	}
	126
	127	BT_HIDDEN
	128	struct bt_event bt_event_new(struct bt_event_class event_class)
3dca2276	129	{
3dca2276	130	struct bt_event *event = NULL;
312c056a	131	struct bt_stream_class *stream_class;
5cd6d0e5	132	struct bt_field_class *fc;
3dca2276	133
44c440bc	134	BT_ASSERT(event_class);
3dca2276 PP	135	event = g_new0(struct bt_event, 1);
	136	if (!event) {
	137	BT_LOGE_STR("Failed to allocate one event.");
	138	goto error;
	139	}
	140
44c440bc	141	bt_object_init_unique(&event->base);
312c056a PP	142	stream_class = bt_event_class_borrow_stream_class(event_class);
312c056a PP	143	BT_ASSERT(stream_class);
44c440bc	144
5cd6d0e5	145	if (bt_stream_class_borrow_event_header_field_class(stream_class)) {
44c440bc PP	146	event->header_field = create_event_header_field(stream_class);
	147	if (!event->header_field) {
	148	BT_LOGE_STR("Cannot create event header field.");
	149	goto error;
	150	}
	151	}
	152
5cd6d0e5	153	fc = bt_stream_class_borrow_event_common_context_field_class(
44c440bc	154	stream_class);
5cd6d0e5 PP	155	if (fc) {
5cd6d0e5 PP	156	event->common_context_field = bt_field_create(fc);
44c440bc PP	157	if (!event->common_context_field) {
	158	/* bt_field_create() logs errors */
	159	goto error;
	160	}
	161	}
	162
5cd6d0e5 PP	163	fc = bt_event_class_borrow_specific_context_field_class(event_class);
	164	if (fc) {
	165	event->specific_context_field = bt_field_create(fc);
44c440bc PP	166	if (!event->specific_context_field) {
	167	/* bt_field_create() logs errors */
	168	goto error;
	169	}
	170	}
	171
5cd6d0e5 PP	172	fc = bt_event_class_borrow_payload_field_class(event_class);
	173	if (fc) {
	174	event->payload_field = bt_field_create(fc);
44c440bc 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	}
312c056a PP	188	}
312c056a PP	189
3dca2276 PP	190	goto end;
	191
	192	error:
312c056a PP	193	if (event) {
	194	bt_event_destroy(event);
	195	event = NULL;
	196	}
	197
	198	end:
	199	return event;
	200	}
	201
094ff7c0	202	struct bt_event_class bt_event_borrow_class(struct bt_event event)
2f100782	203	{
f6ccaed9	204	BT_ASSERT_PRE_NON_NULL(event, "Event");
cb6f1f7d	205	return event->class;
2f100782 JG	206	}
2f100782 JG	207
f6ccaed9	208	struct bt_stream bt_event_borrow_stream(struct bt_event event)
f6ccaed9 PP	209	{
f6ccaed9 PP	210	BT_ASSERT_PRE_NON_NULL(event, "Event");
094ff7c0	211	return event->packet ? event->packet->stream : NULL;
f6ccaed9 PP	212	}
f6ccaed9 PP	213
44c440bc	214	struct bt_field bt_event_borrow_header_field(struct bt_event event)
e5e6eb3a	215	{
cb6f1f7d	216	BT_ASSERT_PRE_NON_NULL(event, "Event");
44c440bc	217	return event->header_field ? event->header_field->field : NULL;
e5e6eb3a JG	218	}
e5e6eb3a JG	219
28e6ca8b	220	struct bt_private_field *bt_private_event_borrow_header_field(
e5be10ef PP	221	struct bt_private_event *event)
	222	{
	223	return (void ) bt_event_borrow_header_field((void ) event);
	224	}
	225
44c440bc	226	struct bt_field bt_event_borrow_common_context_field(struct bt_event event)
662e778c	227	{
cb6f1f7d	228	BT_ASSERT_PRE_NON_NULL(event, "Event");
44c440bc	229	return event->common_context_field;
662e778c JG	230	}
662e778c JG	231
28e6ca8b	232	struct bt_private_field *bt_private_event_borrow_common_context_field(
e5be10ef PP	233	struct bt_private_event *event)
	234	{
	235	return (void ) bt_event_borrow_common_context_field((void ) event);
	236	}
	237
44c440bc	238	struct bt_field bt_event_borrow_specific_context_field(struct bt_event event)
f655a84d	239	{
cb6f1f7d	240	BT_ASSERT_PRE_NON_NULL(event, "Event");
44c440bc	241	return event->specific_context_field;
f655a84d JG	242	}
f655a84d JG	243
28e6ca8b	244	struct bt_private_field *bt_private_event_borrow_specific_context_field(
e5be10ef PP	245	struct bt_private_event *event)
	246	{
	247	return (void ) bt_event_borrow_specific_context_field((void ) event);
	248	}
	249
44c440bc	250	struct bt_field bt_event_borrow_payload_field(struct bt_event event)
5fd2e9fd	251	{
cb6f1f7d	252	BT_ASSERT_PRE_NON_NULL(event, "Event");
44c440bc	253	return event->payload_field;
5fd2e9fd PP	254	}
5fd2e9fd PP	255
28e6ca8b	256	struct bt_private_field *bt_private_event_borrow_payload_field(
e5be10ef PP	257	struct bt_private_event *event)
	258	{
	259	return (void ) bt_event_borrow_payload_field((void ) event);
	260	}
	261
312c056a PP	262	static
312c056a PP	263	void release_event_header_field(struct bt_field_wrapper *field_wrapper,
cb6f1f7d	264	struct bt_event *event)
273b65be	265	{
44c440bc	266	if (!event->class) {
312c056a PP	267	bt_field_wrapper_destroy(field_wrapper);
	268	} else {
	269	struct bt_stream_class *stream_class =
44c440bc	270	bt_event_class_borrow_stream_class(event->class);
312c056a PP	271
312c056a PP	272	BT_ASSERT(stream_class);
44c440bc	273	recycle_event_header_field(field_wrapper, stream_class);
312c056a	274	}
273b65be JG	275	}
273b65be JG	276
44c440bc PP	277	BT_HIDDEN
44c440bc PP	278	void bt_event_destroy(struct bt_event *event)
cb6f1f7d	279	{
44c440bc PP	280	BT_ASSERT(event);
44c440bc PP	281	BT_LIB_LOGD("Destroying event: %!+e", event);
cb6f1f7d PP	282
	283	if (event->header_field) {
	284	BT_LOGD_STR("Releasing event's header field.");
44c440bc	285	release_event_header_field(event->header_field, event);
238b7404	286	event->header_field = NULL;
cb6f1f7d PP	287	}
cb6f1f7d PP	288
44c440bc PP	289	if (event->common_context_field) {
	290	BT_LOGD_STR("Destroying event's stream event context field.");
	291	bt_field_destroy(event->common_context_field);
238b7404	292	event->common_context_field = NULL;
cb6f1f7d PP	293	}
cb6f1f7d PP	294
44c440bc PP	295	if (event->specific_context_field) {
	296	BT_LOGD_STR("Destroying event's context field.");
	297	bt_field_destroy(event->specific_context_field);
238b7404	298	event->specific_context_field = NULL;
cb6f1f7d PP	299	}
	300
	301	if (event->payload_field) {
44c440bc PP	302	BT_LOGD_STR("Destroying event's payload field.");
44c440bc PP	303	bt_field_destroy(event->payload_field);
238b7404	304	event->payload_field = NULL;
cb6f1f7d PP	305	}
cb6f1f7d PP	306
44c440bc	307	BT_LOGD_STR("Putting event's class.");
65300d60	308	bt_object_put_ref(event->class);
44c440bc PP	309
	310	if (event->default_cv) {
	311	bt_clock_value_recycle(event->default_cv);
238b7404	312	event->default_cv = NULL;
cb6f1f7d	313	}
cb6f1f7d	314
03039f21	315	BT_LOGD_STR("Putting event's packet.");
238b7404	316	BT_OBJECT_PUT_REF_AND_RESET(event->packet);
273b65be JG	317	g_free(event);
	318	}
	319
140e6d94	320	void bt_private_event_set_default_clock_value(
e5be10ef	321	struct bt_private_event *priv_event, uint64_t value_cycles)
e22b45d0	322	{
e5be10ef	323	struct bt_event event = (void ) priv_event;
44c440bc PP	324	struct bt_stream_class *sc;
44c440bc PP	325
e22b45d0	326	BT_ASSERT_PRE_NON_NULL(event, "Event");
44c440bc PP	327	BT_ASSERT_PRE_EVENT_HOT(event);
	328	sc = bt_event_class_borrow_stream_class_inline(event->class);
	329	BT_ASSERT(sc);
	330	BT_ASSERT_PRE(sc->default_clock_class,
	331	"Event's stream class has no default clock class: "
	332	"%![ev-]+e, %![sc-]+S", event, sc);
	333	BT_ASSERT(event->default_cv);
	334	bt_clock_value_set_value_inline(event->default_cv, value_cycles);
	335	BT_LIB_LOGV("Set event's default clock value: %![event-]+e, "
	336	"value=%" PRIu64, event, value_cycles);
e22b45d0 PP	337	}
e22b45d0 PP	338
44c440bc PP	339	enum bt_clock_value_status bt_event_borrow_default_clock_value(
44c440bc PP	340	struct bt_event event, struct bt_clock_value *clock_value)
78586d8a	341	{
f6ccaed9	342	BT_ASSERT_PRE_NON_NULL(event, "Event");
44c440bc PP	343	BT_ASSERT_PRE_NON_NULL(clock_value, "Clock value (output)");
	344	*clock_value = event->default_cv;
	345	return BT_CLOCK_VALUE_STATUS_KNOWN;
1556a1af JG	346	}
1556a1af JG	347
094ff7c0	348	struct bt_packet bt_event_borrow_packet(struct bt_event event)
5c0f40f4	349	{
f6ccaed9	350	BT_ASSERT_PRE_NON_NULL(event, "Event");
44c440bc	351	return event->packet;
5c0f40f4 JG	352	}
5c0f40f4 JG	353
e5be10ef PP	354	struct bt_private_packet *bt_private_event_borrow_packet(
	355	struct bt_private_event *event)
	356	{
	357	return (void ) bt_event_borrow_packet((void ) event);
	358	}
	359
28e6ca8b	360	int bt_private_event_move_header_field(
e5be10ef PP	361	struct bt_private_event *priv_event,
e5be10ef PP	362	struct bt_private_event_header_field *priv_header_field)
312c056a PP	363	{
312c056a PP	364	struct bt_stream_class *stream_class;
e5be10ef PP	365	struct bt_event event = (void ) priv_event;
	366	struct bt_event_class event_class = (void ) event_class;
	367	struct bt_field_wrapper field_wrapper = (void ) priv_header_field;
312c056a PP	368
	369	BT_ASSERT_PRE_NON_NULL(event, "Event");
	370	BT_ASSERT_PRE_NON_NULL(field_wrapper, "Header field");
44c440bc PP	371	BT_ASSERT_PRE_EVENT_HOT(event);
44c440bc PP	372	stream_class = bt_event_class_borrow_stream_class_inline(event->class);
5cd6d0e5 PP	373	BT_ASSERT_PRE(stream_class->event_header_fc,
5cd6d0e5 PP	374	"Stream class has no event header field classe: %!+S",
312c056a PP	375	stream_class);
	376
	377	/* Recycle current header field: always exists */
cb6f1f7d	378	BT_ASSERT(event->header_field);
44c440bc	379	recycle_event_header_field(event->header_field, stream_class);
312c056a PP	380
312c056a PP	381	/* Move new field */
44c440bc	382	event->header_field = field_wrapper;
312c056a PP	383	return 0;
312c056a PP	384	}