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

/*
 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
 * Copyright 2016 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 "LIB/MSG-STREAM"
#include "lib/logging.h"

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

#include "stream.h"

static
void destroy_stream_message(struct bt_object *obj)
{
	struct bt_message_stream *message = (void *) obj;

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

	if (message->default_cs) {
		BT_LIB_LOGD("Putting default clock snapshot: %!+k",
			message->default_cs);
		bt_clock_snapshot_destroy(message->default_cs);
		message->default_cs = NULL;
	}

	BT_LIB_LOGD("Putting stream: %!+s", message->stream);
	BT_OBJECT_PUT_REF_AND_RESET(message->stream);
	g_free(message);
}

static inline
struct bt_message *create_stream_message(
		struct bt_self_message_iterator *self_msg_iter,
		struct bt_stream *stream, enum bt_message_type type)
{
	struct bt_message_stream *message;
	struct bt_stream_class *stream_class;

	BT_ASSERT_PRE_NON_NULL(self_msg_iter, "Message iterator");
	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	stream_class = bt_stream_borrow_class(stream);
	BT_ASSERT(stream_class);
	BT_LIB_LOGD("Creating stream message object: "
		"type=%s, %![stream-]+s, %![sc-]+S",
		bt_message_type_string(type), stream, stream_class);
	message = g_new0(struct bt_message_stream, 1);
	if (!message) {
		BT_LIB_LOGE_APPEND_CAUSE(
			"Failed to allocate one stream message.");
		goto error;
	}

	bt_message_init(&message->parent, type,
		destroy_stream_message, NULL);
	message->stream = stream;
	bt_object_get_ref_no_null_check(message->stream);

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

	BT_LIB_LOGD("Created stream message object: "
		"%![msg-]+n, %![stream-]+s, %![sc-]+S", message,
		stream, stream_class);

	goto end;

error:
	if (message) {
		g_free(message);
		message = NULL;
	}

end:
	return &message->parent;
}

struct bt_message *bt_message_stream_beginning_create(
		struct bt_self_message_iterator *self_msg_iter,
		const struct bt_stream *stream)
{
	BT_ASSERT_PRE_DEV_NO_ERROR();

	return create_stream_message(self_msg_iter, (void *) stream,
		BT_MESSAGE_TYPE_STREAM_BEGINNING);
}

struct bt_message *bt_message_stream_end_create(
		struct bt_self_message_iterator *self_msg_iter,
		const struct bt_stream *stream)
{
	BT_ASSERT_PRE_DEV_NO_ERROR();

	return create_stream_message(self_msg_iter, (void *) stream,
		BT_MESSAGE_TYPE_STREAM_END);
}

static inline
struct bt_stream *borrow_stream_message_stream(struct bt_message *message)
{
	struct bt_message_stream *stream_msg;

	BT_ASSERT_DBG(message);
	stream_msg = (void *) message;
	return stream_msg->stream;
}

struct bt_stream *bt_message_stream_beginning_borrow_stream(
		struct bt_message *message)
{
	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(message,
		BT_MESSAGE_TYPE_STREAM_BEGINNING);
	return borrow_stream_message_stream(message);
}

struct bt_stream *bt_message_stream_end_borrow_stream(
		struct bt_message *message)
{
	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(message,
		BT_MESSAGE_TYPE_STREAM_END);
	return borrow_stream_message_stream(message);
}

const struct bt_stream *bt_message_stream_beginning_borrow_stream_const(
		const struct bt_message *message)
{
	return bt_message_stream_beginning_borrow_stream(
		(void *) message);
}

const struct bt_stream *bt_message_stream_end_borrow_stream_const(
		const struct bt_message *message)
{
	return bt_message_stream_end_borrow_stream(
		(void *) message);
}

static
void bt_message_stream_set_default_clock_snapshot(
		struct bt_message *msg, uint64_t raw_value)
{
	struct bt_message_stream *stream_msg = (void *) msg;
	struct bt_stream_class *sc;

	BT_ASSERT(msg);
	BT_ASSERT_PRE_DEV_HOT(msg, "Message", ": %!+n", msg);
	sc = stream_msg->stream->class;
	BT_ASSERT(sc);
	BT_ASSERT_PRE(sc->default_clock_class,
		"Message's stream's class has no default clock class: "
		"%![msg-]+n, %![sc-]+S", msg, sc);
	BT_ASSERT(stream_msg->default_cs);
	bt_clock_snapshot_set_raw_value(stream_msg->default_cs, raw_value);
	stream_msg->default_cs_state = BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_KNOWN;
	BT_LIB_LOGD("Set stream message's default clock snapshot: "
		"%![msg-]+n, value=%" PRIu64, msg, raw_value);
}

void bt_message_stream_beginning_set_default_clock_snapshot(
		struct bt_message *message, uint64_t raw_value)
{
	BT_ASSERT_PRE_NON_NULL(message, "Message");
	BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_STREAM_BEGINNING);

	bt_message_stream_set_default_clock_snapshot(message, raw_value);
}

void bt_message_stream_end_set_default_clock_snapshot(
		struct bt_message *message, uint64_t raw_value)
{
	BT_ASSERT_PRE_NON_NULL(message, "Message");
	BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_STREAM_END);

	return bt_message_stream_set_default_clock_snapshot(message, raw_value);
}

static enum bt_message_stream_clock_snapshot_state
bt_message_stream_borrow_default_clock_snapshot_const(
		const bt_message *msg, const bt_clock_snapshot **snapshot)
{
	struct bt_message_stream *stream_msg = (void *) msg;
	struct bt_stream_class *sc;

	BT_ASSERT_DBG(msg);
	sc = stream_msg->stream->class;
	BT_ASSERT_DBG(sc);
	BT_ASSERT_PRE_DEV(sc->default_clock_class,
		"Message's stream's class has no default clock class: "
		"%![msg-]+n, %![sc-]+S", msg, sc);
	BT_ASSERT_DBG(stream_msg->default_cs);

	*snapshot = stream_msg->default_cs;

	return stream_msg->default_cs_state;
}

enum bt_message_stream_clock_snapshot_state
bt_message_stream_beginning_borrow_default_clock_snapshot_const(
		const bt_message *message, const bt_clock_snapshot **snapshot)
{
	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(message,
		BT_MESSAGE_TYPE_STREAM_BEGINNING);
	return bt_message_stream_borrow_default_clock_snapshot_const(
		message, snapshot);
}

enum bt_message_stream_clock_snapshot_state
bt_message_stream_end_borrow_default_clock_snapshot_const(
		const bt_message *message, const bt_clock_snapshot **snapshot)
{
	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_STREAM_END);
	return bt_message_stream_borrow_default_clock_snapshot_const(
		message, snapshot);
}

static inline
const struct bt_clock_class *
borrow_stream_message_stream_class_default_clock_class(
		const struct bt_message *msg)
{
	struct bt_message_stream *stream_msg = (void *) msg;

	BT_ASSERT_DBG(msg);
	return stream_msg->stream->class->default_clock_class;
}

const struct bt_clock_class *
bt_message_stream_beginning_borrow_stream_class_default_clock_class_const(
		const struct bt_message *msg)
{
	BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(msg,
		BT_MESSAGE_TYPE_STREAM_BEGINNING);
	return borrow_stream_message_stream_class_default_clock_class(msg);
}

const struct bt_clock_class *
bt_message_stream_end_borrow_stream_class_default_clock_class_const(
		const struct bt_message *msg)
{
	BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_STREAM_END);
	return borrow_stream_message_stream_class_default_clock_class(msg);
}
Commit	Line	Data
b09a5592 PP	1	/*
	2	* Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
	3	* Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a copy
	6	* of this software and associated documentation files (the "Software"), to deal
	7	* in the Software without restriction, including without limitation the rights
	8	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	9	* copies of the Software, and to permit persons to whom the Software is
	10	* furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice and this permission notice shall be included in
	13	* all copies or substantial portions of the Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	18	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	20	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	21	* SOFTWARE.
	22	*/
	23
b03487ab	24	#define BT_LOG_TAG "LIB/MSG-STREAM"
1633ef46	25	#include "lib/logging.h"
b09a5592	26
57952005 MJ	27	#include "lib/assert-pre.h"
57952005 MJ	28	#include "compat/compiler.h"
7704a0af	29	#include <babeltrace2/trace-ir/clock-snapshot.h>
57952005	30	#include "lib/trace-ir/stream.h"
71c5da58	31	#include <babeltrace2/trace-ir/stream-class.h>
57952005	32	#include "lib/trace-ir/stream-class.h"
7704a0af	33	#include <babeltrace2/graph/message.h>
57952005	34	#include "common/assert.h"
b09a5592 PP	35	#include <inttypes.h>
b09a5592 PP	36
57952005 MJ	37	#include "stream.h"
57952005 MJ	38
b09a5592	39	static
a1f053a9	40	void destroy_stream_message(struct bt_object *obj)
b09a5592	41	{
a1f053a9	42	struct bt_message_stream message = (void ) obj;
b09a5592	43
a1f053a9	44	BT_LIB_LOGD("Destroying stream message: %!+n", message);
9fceecf0 PP	45
	46	if (message->default_cs) {
	47	BT_LIB_LOGD("Putting default clock snapshot: %!+k",
	48	message->default_cs);
	49	bt_clock_snapshot_destroy(message->default_cs);
	50	message->default_cs = NULL;
	51	}
	52
b09a5592 PP	53	BT_LIB_LOGD("Putting stream: %!+s", message->stream);
b09a5592 PP	54	BT_OBJECT_PUT_REF_AND_RESET(message->stream);
b09a5592 PP	55	g_free(message);
	56	}
	57
a1f053a9 PP	58	static inline
a1f053a9 PP	59	struct bt_message *create_stream_message(
b09a5592	60	struct bt_self_message_iterator *self_msg_iter,
a1f053a9	61	struct bt_stream *stream, enum bt_message_type type)
b09a5592	62	{
a1f053a9	63	struct bt_message_stream *message;
b09a5592 PP	64	struct bt_stream_class *stream_class;
	65
	66	BT_ASSERT_PRE_NON_NULL(self_msg_iter, "Message iterator");
	67	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	68	stream_class = bt_stream_borrow_class(stream);
	69	BT_ASSERT(stream_class);
a1f053a9 PP	70	BT_LIB_LOGD("Creating stream message object: "
	71	"type=%s, %![stream-]+s, %![sc-]+S",
	72	bt_message_type_string(type), stream, stream_class);
	73	message = g_new0(struct bt_message_stream, 1);
b09a5592	74	if (!message) {
a8f90e5d PP	75	BT_LIB_LOGE_APPEND_CAUSE(
a8f90e5d PP	76	"Failed to allocate one stream message.");
b09a5592 PP	77	goto error;
	78	}
	79
a1f053a9 PP	80	bt_message_init(&message->parent, type,
a1f053a9 PP	81	destroy_stream_message, NULL);
b09a5592	82	message->stream = stream;
864aa43f	83	bt_object_get_ref_no_null_check(message->stream);
b7cbc799 SM	84
	85	if (stream_class->default_clock_class) {
	86	message->default_cs = bt_clock_snapshot_create(
	87	stream_class->default_clock_class);
	88	if (!message->default_cs) {
	89	goto error;
	90	}
	91	}
	92
a1f053a9	93	BT_LIB_LOGD("Created stream message object: "
b09a5592 PP	94	"%![msg-]+n, %![stream-]+s, %![sc-]+S", message,
	95	stream, stream_class);
	96
b7cbc799	97	goto end;
a1f053a9	98
b09a5592	99	error:
b7cbc799 SM	100	if (message) {
	101	g_free(message);
	102	message = NULL;
	103	}
	104
	105	end:
	106	return &message->parent;
b09a5592 PP	107	}
b09a5592 PP	108
a1f053a9 PP	109	struct bt_message *bt_message_stream_beginning_create(
a1f053a9 PP	110	struct bt_self_message_iterator *self_msg_iter,
6a6975d2	111	const struct bt_stream *stream)
b09a5592	112	{
7c7324d3 SM	113	BT_ASSERT_PRE_DEV_NO_ERROR();
7c7324d3 SM	114
6a6975d2	115	return create_stream_message(self_msg_iter, (void *) stream,
a1f053a9	116	BT_MESSAGE_TYPE_STREAM_BEGINNING);
b09a5592 PP	117	}
b09a5592 PP	118
a1f053a9 PP	119	struct bt_message *bt_message_stream_end_create(
a1f053a9 PP	120	struct bt_self_message_iterator *self_msg_iter,
6a6975d2	121	const struct bt_stream *stream)
b09a5592	122	{
7c7324d3 SM	123	BT_ASSERT_PRE_DEV_NO_ERROR();
7c7324d3 SM	124
6a6975d2	125	return create_stream_message(self_msg_iter, (void *) stream,
a1f053a9	126	BT_MESSAGE_TYPE_STREAM_END);
b09a5592 PP	127	}
b09a5592 PP	128
a1f053a9 PP	129	static inline
a1f053a9 PP	130	struct bt_stream borrow_stream_message_stream(struct bt_message message)
b09a5592	131	{
a1f053a9	132	struct bt_message_stream *stream_msg;
b09a5592	133
ec4a3354	134	BT_ASSERT_DBG(message);
a1f053a9 PP	135	stream_msg = (void *) message;
a1f053a9 PP	136	return stream_msg->stream;
b09a5592 PP	137	}
b09a5592 PP	138
a1f053a9 PP	139	struct bt_stream *bt_message_stream_beginning_borrow_stream(
a1f053a9 PP	140	struct bt_message *message)
b09a5592	141	{
fa6cfec3 PP	142	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
	143	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(message,
	144	BT_MESSAGE_TYPE_STREAM_BEGINNING);
a1f053a9	145	return borrow_stream_message_stream(message);
b09a5592 PP	146	}
b09a5592 PP	147
a1f053a9	148	struct bt_stream *bt_message_stream_end_borrow_stream(
b09a5592 PP	149	struct bt_message *message)
b09a5592 PP	150	{
fa6cfec3 PP	151	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
	152	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(message,
	153	BT_MESSAGE_TYPE_STREAM_END);
a1f053a9	154	return borrow_stream_message_stream(message);
b09a5592 PP	155	}
	156
	157	const struct bt_stream *bt_message_stream_beginning_borrow_stream_const(
	158	const struct bt_message *message)
	159	{
	160	return bt_message_stream_beginning_borrow_stream(
	161	(void *) message);
	162	}
a1f053a9 PP	163
	164	const struct bt_stream *bt_message_stream_end_borrow_stream_const(
	165	const struct bt_message *message)
	166	{
	167	return bt_message_stream_end_borrow_stream(
	168	(void *) message);
	169	}
b7cbc799 SM	170
	171	static
	172	void bt_message_stream_set_default_clock_snapshot(
	173	struct bt_message *msg, uint64_t raw_value)
	174	{
	175	struct bt_message_stream stream_msg = (void ) msg;
	176	struct bt_stream_class *sc;
	177
	178	BT_ASSERT(msg);
fa6cfec3	179	BT_ASSERT_PRE_DEV_HOT(msg, "Message", ": %!+n", msg);
b7cbc799 SM	180	sc = stream_msg->stream->class;
	181	BT_ASSERT(sc);
	182	BT_ASSERT_PRE(sc->default_clock_class,
	183	"Message's stream's class has no default clock class: "
	184	"%![msg-]+n, %![sc-]+S", msg, sc);
	185	BT_ASSERT(stream_msg->default_cs);
	186	bt_clock_snapshot_set_raw_value(stream_msg->default_cs, raw_value);
	187	stream_msg->default_cs_state = BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_KNOWN;
	188	BT_LIB_LOGD("Set stream message's default clock snapshot: "
	189	"%![msg-]+n, value=%" PRIu64, msg, raw_value);
	190	}
	191
	192	void bt_message_stream_beginning_set_default_clock_snapshot(
	193	struct bt_message *message, uint64_t raw_value)
	194	{
	195	BT_ASSERT_PRE_NON_NULL(message, "Message");
	196	BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_STREAM_BEGINNING);
	197
	198	bt_message_stream_set_default_clock_snapshot(message, raw_value);
	199	}
	200
	201	void bt_message_stream_end_set_default_clock_snapshot(
	202	struct bt_message *message, uint64_t raw_value)
	203	{
	204	BT_ASSERT_PRE_NON_NULL(message, "Message");
	205	BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_STREAM_END);
	206
	207	return bt_message_stream_set_default_clock_snapshot(message, raw_value);
	208	}
	209
	210	static enum bt_message_stream_clock_snapshot_state
	211	bt_message_stream_borrow_default_clock_snapshot_const(
	212	const bt_message msg, const bt_clock_snapshot *snapshot)
	213	{
	214	struct bt_message_stream stream_msg = (void ) msg;
	215	struct bt_stream_class *sc;
	216
ec4a3354	217	BT_ASSERT_DBG(msg);
b7cbc799	218	sc = stream_msg->stream->class;
ec4a3354	219	BT_ASSERT_DBG(sc);
fa6cfec3	220	BT_ASSERT_PRE_DEV(sc->default_clock_class,
b7cbc799 SM	221	"Message's stream's class has no default clock class: "
b7cbc799 SM	222	"%![msg-]+n, %![sc-]+S", msg, sc);
ec4a3354	223	BT_ASSERT_DBG(stream_msg->default_cs);
b7cbc799 SM	224
	225	*snapshot = stream_msg->default_cs;
	226
	227	return stream_msg->default_cs_state;
	228	}
	229
	230	enum bt_message_stream_clock_snapshot_state
	231	bt_message_stream_beginning_borrow_default_clock_snapshot_const(
	232	const bt_message message, const bt_clock_snapshot *snapshot)
	233	{
fa6cfec3 PP	234	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
	235	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(message,
	236	BT_MESSAGE_TYPE_STREAM_BEGINNING);
b7cbc799 SM	237	return bt_message_stream_borrow_default_clock_snapshot_const(
	238	message, snapshot);
	239	}
	240
	241	enum bt_message_stream_clock_snapshot_state
	242	bt_message_stream_end_borrow_default_clock_snapshot_const(
	243	const bt_message message, const bt_clock_snapshot *snapshot)
	244	{
fa6cfec3 PP	245	BT_ASSERT_PRE_DEV_NON_NULL(message, "Message");
fa6cfec3 PP	246	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_STREAM_END);
b7cbc799 SM	247	return bt_message_stream_borrow_default_clock_snapshot_const(
	248	message, snapshot);
	249	}
	250
	251	static inline
	252	const struct bt_clock_class *
	253	borrow_stream_message_stream_class_default_clock_class(
	254	const struct bt_message *msg)
	255	{
	256	struct bt_message_stream stream_msg = (void ) msg;
	257
ec4a3354	258	BT_ASSERT_DBG(msg);
b7cbc799 SM	259	return stream_msg->stream->class->default_clock_class;
	260	}
	261
	262	const struct bt_clock_class *
	263	bt_message_stream_beginning_borrow_stream_class_default_clock_class_const(
	264	const struct bt_message *msg)
	265	{
fa6cfec3 PP	266	BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
fa6cfec3 PP	267	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(msg,
b7cbc799 SM	268	BT_MESSAGE_TYPE_STREAM_BEGINNING);
	269	return borrow_stream_message_stream_class_default_clock_class(msg);
	270	}
	271
	272	const struct bt_clock_class *
	273	bt_message_stream_end_borrow_stream_class_default_clock_class_const(
	274	const struct bt_message *msg)
	275	{
fa6cfec3 PP	276	BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
fa6cfec3 PP	277	BT_ASSERT_PRE_DEV_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_STREAM_END);
b7cbc799 SM	278	return borrow_stream_message_stream_class_default_clock_class(msg);
b7cbc799 SM	279	}