[babeltrace.git] / src / lib / graph / message / event.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 */

#define BT_LOG_TAG "LIB/MSG-EVENT"
#include "lib/logging.h"

#include "common/assert.h"
#include "lib/assert-cond.h"
#include "compat/compiler.h"
#include "lib/object.h"
#include <babeltrace2/trace-ir/event.h>
#include "lib/trace-ir/event.h"
#include "lib/trace-ir/event-class.h"
#include "lib/trace-ir/stream-class.h"
#include <babeltrace2/trace-ir/trace.h>
#include "lib/trace-ir/clock-snapshot.h"
#include "lib/graph/graph.h"
#include <babeltrace2/graph/message.h>
#include <babeltrace2/types.h>
#include <stdbool.h>
#include <inttypes.h>

#include "event.h"

static inline bool event_class_has_trace(struct bt_event_class *event_class)
{
	struct bt_stream_class *stream_class;

	stream_class = bt_event_class_borrow_stream_class_inline(event_class);
	BT_ASSERT_DBG(stream_class);
	return bt_stream_class_borrow_trace_class(stream_class);
}

BT_HIDDEN
struct bt_message *bt_message_event_new(
		struct bt_graph *graph)
{
	struct bt_message_event *message = NULL;

	message = g_new0(struct bt_message_event, 1);
	if (!message) {
		BT_LIB_LOGE_APPEND_CAUSE(
			"Failed to allocate one event message.");
		goto error;
	}

	bt_message_init(&message->parent, BT_MESSAGE_TYPE_EVENT,
		(bt_object_release_func) bt_message_event_recycle, graph);
	goto end;

error:
	BT_OBJECT_PUT_REF_AND_RESET(message);

end:
	return (void *) message;
}

static
struct bt_event *create_event(struct bt_event_class *event_class,
		struct bt_packet *packet, struct bt_stream *stream)
{
	struct bt_event *event = NULL;

	BT_ASSERT_DBG(event_class);
	BT_ASSERT_DBG(stream);
	event = bt_object_pool_create_object(&event_class->event_pool);
	if (G_UNLIKELY(!event)) {
		BT_LIB_LOGE_APPEND_CAUSE(
			"Cannot allocate one event from event class's event pool: "
			"%![ec-]+E", event_class);
		goto end;
	}

	if (G_LIKELY(!event->class)) {
		event->class = event_class;
		bt_object_get_ref_no_null_check(&event_class->base);
	}

	BT_ASSERT_DBG(!event->stream);
	event->stream = stream;
	bt_object_get_ref_no_null_check_no_parent_check(&event->stream->base);
	BT_LIB_LOGD("Set event's stream: %![event-]+e, %![stream-]+s",
		event, stream);

	if (packet) {
		BT_ASSERT_PRE_DEV(bt_event_class_borrow_stream_class(
			event_class) == packet->stream->class,
			"Packet's stream class and event class's stream class differ: "
			"%![ec-]+E, %![packet-]+a", event, packet);
		BT_ASSERT_DBG(event->stream->class->supports_packets);
		BT_ASSERT_DBG(!event->packet);
		event->packet = packet;
		bt_object_get_ref_no_null_check_no_parent_check(&event->packet->base);
		BT_LIB_LOGD("Set event's packet: %![event-]+e, %![packet-]+a",
			event, packet);
	}

end:
	return event;
}

static inline
struct bt_message *create_event_message(
		struct bt_self_message_iterator *self_msg_iter,
		const struct bt_event_class *c_event_class,
		const struct bt_packet *c_packet,
		const struct bt_stream *c_stream, bool with_cs,
		uint64_t raw_value)
{
	struct bt_message_iterator *msg_iter =
		(void *) self_msg_iter;
	struct bt_message_event *message = NULL;
	struct bt_event_class *event_class = (void *) c_event_class;
	struct bt_stream_class *stream_class;
	struct bt_packet *packet = (void *) c_packet;
	struct bt_stream *stream = (void *) c_stream;
	struct bt_event *event;

	BT_ASSERT_DBG(stream);
	BT_ASSERT_PRE_NON_NULL(msg_iter, "Message iterator");
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	BT_ASSERT_PRE(event_class_has_trace(event_class),
		"Event class is not part of a trace: %!+E", event_class);
	BT_ASSERT_PRE_DEV(bt_event_class_borrow_stream_class(event_class) ==
		stream->class,
		"Stream's class and event's stream class differ: "
		"%![ec-]+E, %![stream-]+s", event_class, stream);
	stream_class = bt_event_class_borrow_stream_class_inline(event_class);
	BT_ASSERT_DBG(stream_class);
	BT_ASSERT_PRE((with_cs && stream_class->default_clock_class) ||
		(!with_cs && !stream_class->default_clock_class),
		"Creating an event message with a default clock snapshot, but without "
		"a default clock class, or without a default clock snapshot, "
		"but with a default clock class: ",
		"%![ec-]+E, %![sc-]+S, with-cs=%d, "
		"cs-val=%" PRIu64,
		event_class, stream_class, with_cs, raw_value);
	BT_LIB_LOGD("Creating event message object: %![ec-]+E", event_class);
	event = create_event(event_class, packet, stream);
	if (G_UNLIKELY(!event)) {
		BT_LIB_LOGE_APPEND_CAUSE(
			"Cannot create event from event class: "
			"%![ec-]+E", event_class);
		goto error;
	}

	/*
	 * Create message from pool _after_ we have everything
	 * (in this case, a valid event object) so that we never have an
	 * error condition with a non-NULL message object.
	 * Otherwise:
	 *
	 * * We cannot recycle the message on error because
	 *   bt_message_event_recycle() expects a complete
	 *   message (and the event or clock class priority map
	 *   object could be unset).
	 *
	 * * We cannot destroy the message because we would need
	 *   to notify the graph (pool owner) so that it removes the
	 *   message from its message array.
	 */
	message = (void *) bt_message_create_from_pool(
		&msg_iter->graph->event_msg_pool, msg_iter->graph);
	if (G_UNLIKELY(!message)) {
		/* bt_message_create_from_pool() logs errors */
		goto error;
	}

	if (with_cs) {
		BT_ASSERT_DBG(stream_class->default_clock_class);
		message->default_cs = bt_clock_snapshot_create(
			stream_class->default_clock_class);
		if (!message->default_cs) {
			goto error;
		}

		bt_clock_snapshot_set_raw_value(message->default_cs, raw_value);
	}

	BT_ASSERT_DBG(!message->event);
	message->event = event;

	if (packet) {
		bt_packet_set_is_frozen(packet, true);
	}

	bt_stream_freeze(stream);
	bt_event_class_freeze(event_class);
	BT_LIB_LOGD("Created event message object: "
		"%![msg-]+n, %![event-]+e", message, event);
	goto end;

error:
	BT_ASSERT(!message);
	bt_event_destroy(event);

end:
	return (void *) message;
}

struct bt_message *bt_message_event_create(
		struct bt_self_message_iterator *msg_iter,
		const struct bt_event_class *event_class,
		const struct bt_stream *stream)
{
	BT_ASSERT_PRE_DEV_NO_ERROR();
	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	return create_event_message(msg_iter, event_class, NULL, stream, false, 0);
}

struct bt_message *bt_message_event_create_with_packet(
		struct bt_self_message_iterator *msg_iter,
		const struct bt_event_class *event_class,
		const struct bt_packet *packet)
{
	BT_ASSERT_PRE_DEV_NO_ERROR();
	BT_ASSERT_PRE_NON_NULL(packet, "Packet");
	return create_event_message(msg_iter, event_class, packet,
		packet->stream, false, 0);
}

struct bt_message *bt_message_event_create_with_default_clock_snapshot(
		struct bt_self_message_iterator *msg_iter,
		const struct bt_event_class *event_class,
		const struct bt_stream *stream,
		uint64_t raw_value)
{
	BT_ASSERT_PRE_DEV_NO_ERROR();
	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	return create_event_message(msg_iter, event_class, NULL, stream,
		true, raw_value);
}

struct bt_message *
bt_message_event_create_with_packet_and_default_clock_snapshot(
		struct bt_self_message_iterator *msg_iter,
		const struct bt_event_class *event_class,
		const struct bt_packet *packet,
		uint64_t raw_value)
{
	BT_ASSERT_PRE_DEV_NO_ERROR();
	BT_ASSERT_PRE_NON_NULL(packet, "Packet");
	return create_event_message(msg_iter, event_class, packet,
		packet->stream, true, raw_value);
}

BT_HIDDEN
void bt_message_event_destroy(struct bt_message *msg)
{
	struct bt_message_event *event_msg = (void *) msg;

	BT_LIB_LOGD("Destroying event message: %!+n", msg);

	if (event_msg->event) {
		BT_LIB_LOGD("Recycling event: %!+e", event_msg->event);
		bt_event_recycle(event_msg->event);
		event_msg->event = NULL;
	}

	if (event_msg->default_cs) {
		bt_clock_snapshot_recycle(event_msg->default_cs);
		event_msg->default_cs = NULL;
	}

	g_free(msg);
}

BT_HIDDEN
void bt_message_event_recycle(struct bt_message *msg)
{
	struct bt_message_event *event_msg = (void *) msg;
	struct bt_graph *graph;

	BT_ASSERT_DBG(event_msg);

	if (G_UNLIKELY(!msg->graph)) {
		bt_message_event_destroy(msg);
		return;
	}

	BT_LIB_LOGD("Recycling event message: %![msg-]+n, %![event-]+e",
		msg, event_msg->event);
	bt_message_reset(msg);
	BT_ASSERT_DBG(event_msg->event);
	bt_event_recycle(event_msg->event);
	event_msg->event = NULL;

	if (event_msg->default_cs) {
		bt_clock_snapshot_recycle(event_msg->default_cs);
		event_msg->default_cs = NULL;
	}

	graph = msg->graph;
	msg->graph = NULL;
	bt_object_pool_recycle_object(&graph->event_msg_pool, msg);
}

static inline
struct bt_event *borrow_event(struct bt_message *message)
{
	struct bt_message_event *event_message;

	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
	BT_ASSERT_PRE_DEV_MSG_HAS_TYPE(message, BT_MESSAGE_TYPE_EVENT);
	event_message = container_of(message,
			struct bt_message_event, parent);
	return event_message->event;
}

struct bt_event *bt_message_event_borrow_event(
		struct bt_message *message)
{
	return borrow_event(message);
}

const struct bt_event *bt_message_event_borrow_event_const(
		const struct bt_message *message)
{
	return borrow_event((void *) message);
}

const struct bt_clock_snapshot *
bt_message_event_borrow_default_clock_snapshot_const(
		const struct bt_message *msg)
{
	struct bt_message_event *event_msg = (void *) msg;
	struct bt_stream_class *stream_class;

	BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
	BT_ASSERT_PRE_DEV_MSG_HAS_TYPE(msg, BT_MESSAGE_TYPE_EVENT);
	stream_class = bt_event_class_borrow_stream_class_inline(
		event_msg->event->class);
	BT_ASSERT_DBG(stream_class);
	BT_ASSERT_PRE_DEV(stream_class->default_clock_class,
		"Message's stream's class has no default clock class: "
		"%![msg-]+n, %![sc-]+S", msg, stream_class);
	return event_msg->default_cs;
}

const bt_clock_class *
bt_message_event_borrow_stream_class_default_clock_class_const(
		const bt_message *msg)
{
	struct bt_message_event *event_msg = (void *) msg;
	struct bt_stream_class *stream_class;

	BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
	BT_ASSERT_PRE_DEV_MSG_HAS_TYPE(msg, BT_MESSAGE_TYPE_EVENT);
	stream_class = bt_event_class_borrow_stream_class_inline(
		event_msg->event->class);
	BT_ASSERT_DBG(stream_class);
	return stream_class->default_clock_class;
}
Commit	Line	Data
d6e69534	1	/*
0235b0db MJ	2	* SPDX-License-Identifier: MIT
0235b0db MJ	3	*
d6e69534 PP	4	* Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
d6e69534 PP	5	* Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
d6e69534 PP	6	*/
d6e69534 PP	7
350ad6c1	8	#define BT_LOG_TAG "LIB/MSG-EVENT"
c2d9d9cf	9	#include "lib/logging.h"
d6e69534	10
578e048b	11	#include "common/assert.h"
d98421f2	12	#include "lib/assert-cond.h"
578e048b MJ	13	#include "compat/compiler.h"
578e048b MJ	14	#include "lib/object.h"
3fadfbc0	15	#include <babeltrace2/trace-ir/event.h>
578e048b MJ	16	#include "lib/trace-ir/event.h"
	17	#include "lib/trace-ir/event-class.h"
	18	#include "lib/trace-ir/stream-class.h"
3fadfbc0	19	#include <babeltrace2/trace-ir/trace.h>
578e048b MJ	20	#include "lib/trace-ir/clock-snapshot.h"
578e048b MJ	21	#include "lib/graph/graph.h"
43c59509	22	#include <babeltrace2/graph/message.h>
3fadfbc0	23	#include <babeltrace2/types.h>
d6e69534 PP	24	#include <stdbool.h>
	25	#include <inttypes.h>
	26
578e048b MJ	27	#include "event.h"
578e048b MJ	28
d6e69534 PP	29	static inline bool event_class_has_trace(struct bt_event_class *event_class)
	30	{
	31	struct bt_stream_class *stream_class;
	32
33931ab8	33	stream_class = bt_event_class_borrow_stream_class_inline(event_class);
98b15851	34	BT_ASSERT_DBG(stream_class);
5084732e	35	return bt_stream_class_borrow_trace_class(stream_class);
d6e69534 PP	36	}
	37
	38	BT_HIDDEN
	39	struct bt_message *bt_message_event_new(
	40	struct bt_graph *graph)
	41	{
	42	struct bt_message_event *message = NULL;
	43
	44	message = g_new0(struct bt_message_event, 1);
	45	if (!message) {
870631a2 PP	46	BT_LIB_LOGE_APPEND_CAUSE(
870631a2 PP	47	"Failed to allocate one event message.");
d6e69534 PP	48	goto error;
	49	}
	50
	51	bt_message_init(&message->parent, BT_MESSAGE_TYPE_EVENT,
	52	(bt_object_release_func) bt_message_event_recycle, graph);
	53	goto end;
	54
	55	error:
	56	BT_OBJECT_PUT_REF_AND_RESET(message);
	57
	58	end:
	59	return (void *) message;
	60	}
	61
cbb76258 PP	62	static
	63	struct bt_event create_event(struct bt_event_class event_class,
	64	struct bt_packet packet, struct bt_stream stream)
	65	{
	66	struct bt_event *event = NULL;
	67
	68	BT_ASSERT_DBG(event_class);
	69	BT_ASSERT_DBG(stream);
	70	event = bt_object_pool_create_object(&event_class->event_pool);
	71	if (G_UNLIKELY(!event)) {
	72	BT_LIB_LOGE_APPEND_CAUSE(
	73	"Cannot allocate one event from event class's event pool: "
	74	"%![ec-]+E", event_class);
	75	goto end;
	76	}
	77
	78	if (G_LIKELY(!event->class)) {
	79	event->class = event_class;
	80	bt_object_get_ref_no_null_check(&event_class->base);
	81	}
	82
	83	BT_ASSERT_DBG(!event->stream);
	84	event->stream = stream;
	85	bt_object_get_ref_no_null_check_no_parent_check(&event->stream->base);
	86	BT_LIB_LOGD("Set event's stream: %![event-]+e, %![stream-]+s",
	87	event, stream);
	88
	89	if (packet) {
	90	BT_ASSERT_PRE_DEV(bt_event_class_borrow_stream_class(
	91	event_class) == packet->stream->class,
	92	"Packet's stream class and event class's stream class differ: "
	93	"%![ec-]+E, %![packet-]+a", event, packet);
	94	BT_ASSERT_DBG(event->stream->class->supports_packets);
	95	BT_ASSERT_DBG(!event->packet);
	96	event->packet = packet;
	97	bt_object_get_ref_no_null_check_no_parent_check(&event->packet->base);
	98	BT_LIB_LOGD("Set event's packet: %![event-]+e, %![packet-]+a",
	99	event, packet);
	100	}
	101
	102	end:
	103	return event;
	104	}
	105
2c091c04 PP	106	static inline
2c091c04 PP	107	struct bt_message *create_event_message(
d6e69534	108	struct bt_self_message_iterator *self_msg_iter,
58085ca4	109	const struct bt_event_class *c_event_class,
26fc5aed PP	110	const struct bt_packet *c_packet,
26fc5aed PP	111	const struct bt_stream *c_stream, bool with_cs,
2c091c04	112	uint64_t raw_value)
d6e69534	113	{
9a2c8b8e	114	struct bt_message_iterator *msg_iter =
d6e69534 PP	115	(void *) self_msg_iter;
d6e69534 PP	116	struct bt_message_event *message = NULL;
58085ca4	117	struct bt_event_class event_class = (void ) c_event_class;
2c091c04	118	struct bt_stream_class *stream_class;
58085ca4	119	struct bt_packet packet = (void ) c_packet;
26fc5aed	120	struct bt_stream stream = (void ) c_stream;
d6e69534 PP	121	struct bt_event *event;
d6e69534 PP	122
98b15851	123	BT_ASSERT_DBG(stream);
d6e69534 PP	124	BT_ASSERT_PRE_NON_NULL(msg_iter, "Message iterator");
d6e69534 PP	125	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
d6e69534 PP	126	BT_ASSERT_PRE(event_class_has_trace(event_class),
d6e69534 PP	127	"Event class is not part of a trace: %!+E", event_class);
cbb76258 PP	128	BT_ASSERT_PRE_DEV(bt_event_class_borrow_stream_class(event_class) ==
	129	stream->class,
	130	"Stream's class and event's stream class differ: "
	131	"%![ec-]+E, %![stream-]+s", event_class, stream);
2c091c04	132	stream_class = bt_event_class_borrow_stream_class_inline(event_class);
98b15851	133	BT_ASSERT_DBG(stream_class);
2c091c04 PP	134	BT_ASSERT_PRE((with_cs && stream_class->default_clock_class) \|\|
	135	(!with_cs && !stream_class->default_clock_class),
	136	"Creating an event message with a default clock snapshot, but without "
	137	"a default clock class, or without a default clock snapshot, "
	138	"but with a default clock class: ",
	139	"%![ec-]+E, %![sc-]+S, with-cs=%d, "
	140	"cs-val=%" PRIu64,
	141	event_class, stream_class, with_cs, raw_value);
	142	BT_LIB_LOGD("Creating event message object: %![ec-]+E", event_class);
cbb76258	143	event = create_event(event_class, packet, stream);
91d81473	144	if (G_UNLIKELY(!event)) {
870631a2 PP	145	BT_LIB_LOGE_APPEND_CAUSE(
870631a2 PP	146	"Cannot create event from event class: "
d6e69534 PP	147	"%![ec-]+E", event_class);
	148	goto error;
	149	}
	150
	151	/*
	152	* Create message from pool _after_ we have everything
	153	* (in this case, a valid event object) so that we never have an
	154	* error condition with a non-NULL message object.
	155	* Otherwise:
	156	*
	157	* * We cannot recycle the message on error because
	158	* bt_message_event_recycle() expects a complete
	159	* message (and the event or clock class priority map
	160	* object could be unset).
	161	*
	162	* * We cannot destroy the message because we would need
	163	* to notify the graph (pool owner) so that it removes the
	164	* message from its message array.
	165	*/
	166	message = (void *) bt_message_create_from_pool(
	167	&msg_iter->graph->event_msg_pool, msg_iter->graph);
91d81473	168	if (G_UNLIKELY(!message)) {
d6e69534 PP	169	/* bt_message_create_from_pool() logs errors */
	170	goto error;
	171	}
	172
2c091c04	173	if (with_cs) {
98b15851	174	BT_ASSERT_DBG(stream_class->default_clock_class);
2c091c04 PP	175	message->default_cs = bt_clock_snapshot_create(
	176	stream_class->default_clock_class);
	177	if (!message->default_cs) {
	178	goto error;
	179	}
	180
	181	bt_clock_snapshot_set_raw_value(message->default_cs, raw_value);
	182	}
	183
98b15851	184	BT_ASSERT_DBG(!message->event);
d6e69534	185	message->event = event;
26fc5aed PP	186
	187	if (packet) {
	188	bt_packet_set_is_frozen(packet, true);
	189	}
	190
	191	bt_stream_freeze(stream);
d6e69534 PP	192	bt_event_class_freeze(event_class);
	193	BT_LIB_LOGD("Created event message object: "
	194	"%![msg-]+n, %![event-]+e", message, event);
	195	goto end;
	196
	197	error:
	198	BT_ASSERT(!message);
	199	bt_event_destroy(event);
	200
	201	end:
	202	return (void *) message;
	203	}
	204
2c091c04	205	struct bt_message *bt_message_event_create(
26fc5aed PP	206	struct bt_self_message_iterator *msg_iter,
	207	const struct bt_event_class *event_class,
	208	const struct bt_stream *stream)
	209	{
17f3083a	210	BT_ASSERT_PRE_DEV_NO_ERROR();
26fc5aed PP	211	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	212	return create_event_message(msg_iter, event_class, NULL, stream, false, 0);
	213	}
	214
	215	struct bt_message *bt_message_event_create_with_packet(
2c091c04 PP	216	struct bt_self_message_iterator *msg_iter,
	217	const struct bt_event_class *event_class,
	218	const struct bt_packet *packet)
	219	{
17f3083a	220	BT_ASSERT_PRE_DEV_NO_ERROR();
26fc5aed PP	221	BT_ASSERT_PRE_NON_NULL(packet, "Packet");
	222	return create_event_message(msg_iter, event_class, packet,
	223	packet->stream, false, 0);
2c091c04 PP	224	}
	225
	226	struct bt_message *bt_message_event_create_with_default_clock_snapshot(
26fc5aed PP	227	struct bt_self_message_iterator *msg_iter,
	228	const struct bt_event_class *event_class,
	229	const struct bt_stream *stream,
	230	uint64_t raw_value)
	231	{
17f3083a	232	BT_ASSERT_PRE_DEV_NO_ERROR();
26fc5aed PP	233	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	234	return create_event_message(msg_iter, event_class, NULL, stream,
	235	true, raw_value);
	236	}
	237
	238	struct bt_message *
	239	bt_message_event_create_with_packet_and_default_clock_snapshot(
2c091c04 PP	240	struct bt_self_message_iterator *msg_iter,
	241	const struct bt_event_class *event_class,
	242	const struct bt_packet *packet,
	243	uint64_t raw_value)
	244	{
17f3083a	245	BT_ASSERT_PRE_DEV_NO_ERROR();
26fc5aed	246	BT_ASSERT_PRE_NON_NULL(packet, "Packet");
2c091c04	247	return create_event_message(msg_iter, event_class, packet,
26fc5aed	248	packet->stream, true, raw_value);
2c091c04 PP	249	}
2c091c04 PP	250
d6e69534 PP	251	BT_HIDDEN
	252	void bt_message_event_destroy(struct bt_message *msg)
	253	{
	254	struct bt_message_event event_msg = (void ) msg;
	255
	256	BT_LIB_LOGD("Destroying event message: %!+n", msg);
	257
	258	if (event_msg->event) {
	259	BT_LIB_LOGD("Recycling event: %!+e", event_msg->event);
	260	bt_event_recycle(event_msg->event);
	261	event_msg->event = NULL;
	262	}
	263
2c091c04 PP	264	if (event_msg->default_cs) {
	265	bt_clock_snapshot_recycle(event_msg->default_cs);
	266	event_msg->default_cs = NULL;
	267	}
	268
d6e69534 PP	269	g_free(msg);
	270	}
	271
	272	BT_HIDDEN
	273	void bt_message_event_recycle(struct bt_message *msg)
	274	{
	275	struct bt_message_event event_msg = (void ) msg;
	276	struct bt_graph *graph;
	277
98b15851	278	BT_ASSERT_DBG(event_msg);
d6e69534	279
91d81473	280	if (G_UNLIKELY(!msg->graph)) {
d6e69534 PP	281	bt_message_event_destroy(msg);
	282	return;
	283	}
	284
	285	BT_LIB_LOGD("Recycling event message: %![msg-]+n, %![event-]+e",
	286	msg, event_msg->event);
	287	bt_message_reset(msg);
98b15851	288	BT_ASSERT_DBG(event_msg->event);
d6e69534 PP	289	bt_event_recycle(event_msg->event);
d6e69534 PP	290	event_msg->event = NULL;
2c091c04 PP	291
	292	if (event_msg->default_cs) {
	293	bt_clock_snapshot_recycle(event_msg->default_cs);
	294	event_msg->default_cs = NULL;
	295	}
	296
d6e69534 PP	297	graph = msg->graph;
	298	msg->graph = NULL;
	299	bt_object_pool_recycle_object(&graph->event_msg_pool, msg);
	300	}
	301
	302	static inline
	303	struct bt_event borrow_event(struct bt_message message)
	304	{
	305	struct bt_message_event *event_message;
	306
bdb288b3	307	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
0a83319b	308	BT_ASSERT_PRE_DEV_MSG_HAS_TYPE(message, BT_MESSAGE_TYPE_EVENT);
d6e69534 PP	309	event_message = container_of(message,
	310	struct bt_message_event, parent);
	311	return event_message->event;
	312	}
	313
	314	struct bt_event *bt_message_event_borrow_event(
	315	struct bt_message *message)
	316	{
	317	return borrow_event(message);
	318	}
	319
	320	const struct bt_event *bt_message_event_borrow_event_const(
	321	const struct bt_message *message)
	322	{
	323	return borrow_event((void *) message);
	324	}
2c091c04	325
0cbc2c33	326	const struct bt_clock_snapshot *
2c091c04	327	bt_message_event_borrow_default_clock_snapshot_const(
0cbc2c33	328	const struct bt_message *msg)
2c091c04 PP	329	{
	330	struct bt_message_event event_msg = (void ) msg;
	331	struct bt_stream_class *stream_class;
	332
bdb288b3	333	BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
0a83319b	334	BT_ASSERT_PRE_DEV_MSG_HAS_TYPE(msg, BT_MESSAGE_TYPE_EVENT);
33931ab8	335	stream_class = bt_event_class_borrow_stream_class_inline(
2c091c04	336	event_msg->event->class);
98b15851	337	BT_ASSERT_DBG(stream_class);
bdb288b3	338	BT_ASSERT_PRE_DEV(stream_class->default_clock_class,
2c091c04 PP	339	"Message's stream's class has no default clock class: "
2c091c04 PP	340	"%![msg-]+n, %![sc-]+S", msg, stream_class);
0cbc2c33	341	return event_msg->default_cs;
2c091c04	342	}
33931ab8 PP	343
	344	const bt_clock_class *
	345	bt_message_event_borrow_stream_class_default_clock_class_const(
	346	const bt_message *msg)
	347	{
	348	struct bt_message_event event_msg = (void ) msg;
	349	struct bt_stream_class *stream_class;
	350
bdb288b3	351	BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
0a83319b	352	BT_ASSERT_PRE_DEV_MSG_HAS_TYPE(msg, BT_MESSAGE_TYPE_EVENT);
33931ab8 PP	353	stream_class = bt_event_class_borrow_stream_class_inline(
33931ab8 PP	354	event_msg->event->class);
98b15851	355	BT_ASSERT_DBG(stream_class);
33931ab8 PP	356	return stream_class->default_clock_class;
33931ab8 PP	357	}