[babeltrace.git] / lib / graph / notification / stream.c

/*
 * Babeltrace Plug-in Stream-related Notifications
 *
 * Copyright 2016 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 "NOTIF-STREAM"
#include <babeltrace/lib-logging-internal.h>

#include <babeltrace/compiler-internal.h>
#include <babeltrace/ctf-ir/stream-internal.h>
#include <babeltrace/ctf-ir/stream-class.h>
#include <babeltrace/graph/notification-stream-internal.h>
#include <babeltrace/assert-internal.h>
#include <babeltrace/assert-pre-internal.h>
#include <inttypes.h>

static
void bt_notification_stream_end_destroy(struct bt_object *obj)
{
	struct bt_notification_stream_end *notification =
			(struct bt_notification_stream_end *) obj;

	BT_LOGD("Destroying stream end notification: addr=%p",
		notification);
	BT_LOGD_STR("Putting stream.");
	BT_PUT(notification->stream);
	g_free(notification);
}

struct bt_notification *bt_notification_stream_end_create(
		struct bt_stream *stream)
{
	struct bt_notification_stream_end *notification;
	struct bt_stream_class *stream_class;

	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	BT_ASSERT_PRE(stream->pos.fd < 0,
		"Stream is a CTF writer stream: %!+s", stream);
	stream_class = bt_stream_borrow_stream_class(stream);
	BT_ASSERT(stream_class);
	BT_LOGD("Creating stream end notification object: "
		"stream-addr=%p, stream-name=\"%s\", "
		"stream-class-addr=%p, stream-class-name=\"%s\", "
		"stream-class-id=%" PRId64,
		stream, bt_stream_get_name(stream),
		stream_class,
		bt_stream_class_get_name(stream_class),
		bt_stream_class_get_id(stream_class));
	notification = g_new0(struct bt_notification_stream_end, 1);
	if (!notification) {
		BT_LOGE_STR("Failed to allocate one stream end notification.");
		goto error;
	}

	bt_notification_init(&notification->parent,
			BT_NOTIFICATION_TYPE_STREAM_END,
			bt_notification_stream_end_destroy);
	notification->stream = bt_get(stream);
	BT_LOGD("Created stream end notification object: "
		"stream-addr=%p, stream-name=\"%s\", "
		"stream-class-addr=%p, stream-class-name=\"%s\", "
		"stream-class-id=%" PRId64 ", addr=%p",
		stream, bt_stream_get_name(stream),
		stream_class,
		bt_stream_class_get_name(stream_class),
		bt_stream_class_get_id(stream_class), notification);
	return &notification->parent;
error:
	return NULL;
}

struct bt_stream *bt_notification_stream_end_get_stream(
		struct bt_notification *notification)
{
	struct bt_notification_stream_end *stream_end;

	BT_ASSERT_PRE_NON_NULL(notification, "Notification");
	BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
		BT_NOTIFICATION_TYPE_STREAM_END);
	stream_end = container_of(notification,
			struct bt_notification_stream_end, parent);
	return bt_get(stream_end->stream);
}

static
void bt_notification_stream_begin_destroy(struct bt_object *obj)
{
	struct bt_notification_stream_begin *notification =
			(struct bt_notification_stream_begin *) obj;

	BT_LOGD("Destroying stream beginning notification: addr=%p",
		notification);
	BT_LOGD_STR("Putting stream.");
	BT_PUT(notification->stream);
	g_free(notification);
}

struct bt_notification *bt_notification_stream_begin_create(
		struct bt_stream *stream)
{
	struct bt_notification_stream_begin *notification;
	struct bt_stream_class *stream_class;

	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	BT_ASSERT_PRE(stream->pos.fd < 0,
		"Stream is a CTF writer stream: %!+s", stream);
	stream_class = bt_stream_borrow_stream_class(stream);
	BT_ASSERT(stream_class);
	BT_LOGD("Creating stream beginning notification object: "
		"stream-addr=%p, stream-name=\"%s\", "
		"stream-class-addr=%p, stream-class-name=\"%s\", "
		"stream-class-id=%" PRId64,
		stream, bt_stream_get_name(stream),
		stream_class,
		bt_stream_class_get_name(stream_class),
		bt_stream_class_get_id(stream_class));
	notification = g_new0(struct bt_notification_stream_begin, 1);
	if (!notification) {
		BT_LOGE_STR("Failed to allocate one stream beginning notification.");
		goto error;
	}

	bt_notification_init(&notification->parent,
			BT_NOTIFICATION_TYPE_STREAM_BEGIN,
			bt_notification_stream_begin_destroy);
	notification->stream = bt_get(stream);
	BT_LOGD("Created stream beginning notification object: "
		"stream-addr=%p, stream-name=\"%s\", "
		"stream-class-addr=%p, stream-class-name=\"%s\", "
		"stream-class-id=%" PRId64 ", addr=%p",
		stream, bt_stream_get_name(stream),
		stream_class,
		bt_stream_class_get_name(stream_class),
		bt_stream_class_get_id(stream_class), notification);
	return &notification->parent;
error:
	return NULL;
}

struct bt_stream *bt_notification_stream_begin_get_stream(
		struct bt_notification *notification)
{
	struct bt_notification_stream_begin *stream_begin;

	BT_ASSERT_PRE_NON_NULL(notification, "Notification");
	BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
		BT_NOTIFICATION_TYPE_STREAM_BEGIN);
	stream_begin = container_of(notification,
			struct bt_notification_stream_begin, parent);
	return bt_get(stream_begin->stream);
}
Commit	Line	Data
043e2020 JG	1	/*
	2	* Babeltrace Plug-in Stream-related Notifications
	3	*
	4	* Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	5	*
	6	* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
	7	*
	8	* Permission is hereby granted, free of charge, to any person obtaining a copy
	9	* of this software and associated documentation files (the "Software"), to deal
	10	* in the Software without restriction, including without limitation the rights
	11	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	12	* copies of the Software, and to permit persons to whom the Software is
	13	* furnished to do so, subject to the following conditions:
	14	*
	15	* The above copyright notice and this permission notice shall be included in
	16	* all copies or substantial portions of the Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	21	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	22	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	23	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	24	* SOFTWARE.
	25	*/
	26
90bd5941 PP	27	#define BT_LOG_TAG "NOTIF-STREAM"
	28	#include <babeltrace/lib-logging-internal.h>
	29
3d9990ac	30	#include <babeltrace/compiler-internal.h>
3230ee6b	31	#include <babeltrace/ctf-ir/stream-internal.h>
9d408fca	32	#include <babeltrace/ctf-ir/stream-class.h>
b2e0c907	33	#include <babeltrace/graph/notification-stream-internal.h>
f6ccaed9 PP	34	#include <babeltrace/assert-internal.h>
f6ccaed9 PP	35	#include <babeltrace/assert-pre-internal.h>
90bd5941	36	#include <inttypes.h>
043e2020 JG	37
	38	static
	39	void bt_notification_stream_end_destroy(struct bt_object *obj)
	40	{
	41	struct bt_notification_stream_end *notification =
	42	(struct bt_notification_stream_end *) obj;
	43
90bd5941 PP	44	BT_LOGD("Destroying stream end notification: addr=%p",
	45	notification);
	46	BT_LOGD_STR("Putting stream.");
043e2020 JG	47	BT_PUT(notification->stream);
	48	g_free(notification);
	49	}
	50
	51	struct bt_notification *bt_notification_stream_end_create(
50842bdc	52	struct bt_stream *stream)
043e2020 JG	53	{
043e2020 JG	54	struct bt_notification_stream_end *notification;
50842bdc	55	struct bt_stream_class *stream_class;
043e2020	56
f6ccaed9 PP	57	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	58	BT_ASSERT_PRE(stream->pos.fd < 0,
	59	"Stream is a CTF writer stream: %!+s", stream);
50842bdc	60	stream_class = bt_stream_borrow_stream_class(stream);
f6ccaed9	61	BT_ASSERT(stream_class);
90bd5941 PP	62	BT_LOGD("Creating stream end notification object: "
	63	"stream-addr=%p, stream-name=\"%s\", "
	64	"stream-class-addr=%p, stream-class-name=\"%s\", "
	65	"stream-class-id=%" PRId64,
50842bdc	66	stream, bt_stream_get_name(stream),
90bd5941	67	stream_class,
50842bdc PP	68	bt_stream_class_get_name(stream_class),
50842bdc PP	69	bt_stream_class_get_id(stream_class));
043e2020	70	notification = g_new0(struct bt_notification_stream_end, 1);
90bd5941 PP	71	if (!notification) {
	72	BT_LOGE_STR("Failed to allocate one stream end notification.");
	73	goto error;
	74	}
	75
043e2020 JG	76	bt_notification_init(&notification->parent,
	77	BT_NOTIFICATION_TYPE_STREAM_END,
	78	bt_notification_stream_end_destroy);
	79	notification->stream = bt_get(stream);
90bd5941 PP	80	BT_LOGD("Created stream end notification object: "
	81	"stream-addr=%p, stream-name=\"%s\", "
	82	"stream-class-addr=%p, stream-class-name=\"%s\", "
	83	"stream-class-id=%" PRId64 ", addr=%p",
50842bdc	84	stream, bt_stream_get_name(stream),
90bd5941	85	stream_class,
50842bdc PP	86	bt_stream_class_get_name(stream_class),
50842bdc PP	87	bt_stream_class_get_id(stream_class), notification);
043e2020 JG	88	return &notification->parent;
	89	error:
	90	return NULL;
	91	}
	92
50842bdc	93	struct bt_stream *bt_notification_stream_end_get_stream(
043e2020 JG	94	struct bt_notification *notification)
	95	{
	96	struct bt_notification_stream_end *stream_end;
	97
f6ccaed9 PP	98	BT_ASSERT_PRE_NON_NULL(notification, "Notification");
	99	BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
	100	BT_NOTIFICATION_TYPE_STREAM_END);
043e2020 JG	101	stream_end = container_of(notification,
043e2020 JG	102	struct bt_notification_stream_end, parent);
f6ccaed9	103	return bt_get(stream_end->stream);
043e2020	104	}
3230ee6b PP	105
	106	static
	107	void bt_notification_stream_begin_destroy(struct bt_object *obj)
	108	{
	109	struct bt_notification_stream_begin *notification =
	110	(struct bt_notification_stream_begin *) obj;
	111
90bd5941 PP	112	BT_LOGD("Destroying stream beginning notification: addr=%p",
	113	notification);
	114	BT_LOGD_STR("Putting stream.");
3230ee6b PP	115	BT_PUT(notification->stream);
	116	g_free(notification);
	117	}
	118
	119	struct bt_notification *bt_notification_stream_begin_create(
50842bdc	120	struct bt_stream *stream)
3230ee6b PP	121	{
3230ee6b PP	122	struct bt_notification_stream_begin *notification;
50842bdc	123	struct bt_stream_class *stream_class;
3230ee6b	124
f6ccaed9 PP	125	BT_ASSERT_PRE_NON_NULL(stream, "Stream");
	126	BT_ASSERT_PRE(stream->pos.fd < 0,
	127	"Stream is a CTF writer stream: %!+s", stream);
50842bdc	128	stream_class = bt_stream_borrow_stream_class(stream);
f6ccaed9	129	BT_ASSERT(stream_class);
90bd5941 PP	130	BT_LOGD("Creating stream beginning notification object: "
	131	"stream-addr=%p, stream-name=\"%s\", "
	132	"stream-class-addr=%p, stream-class-name=\"%s\", "
	133	"stream-class-id=%" PRId64,
50842bdc	134	stream, bt_stream_get_name(stream),
90bd5941	135	stream_class,
50842bdc PP	136	bt_stream_class_get_name(stream_class),
50842bdc PP	137	bt_stream_class_get_id(stream_class));
3230ee6b	138	notification = g_new0(struct bt_notification_stream_begin, 1);
90bd5941 PP	139	if (!notification) {
	140	BT_LOGE_STR("Failed to allocate one stream beginning notification.");
	141	goto error;
	142	}
	143
3230ee6b PP	144	bt_notification_init(&notification->parent,
	145	BT_NOTIFICATION_TYPE_STREAM_BEGIN,
	146	bt_notification_stream_begin_destroy);
	147	notification->stream = bt_get(stream);
90bd5941 PP	148	BT_LOGD("Created stream beginning notification object: "
	149	"stream-addr=%p, stream-name=\"%s\", "
	150	"stream-class-addr=%p, stream-class-name=\"%s\", "
	151	"stream-class-id=%" PRId64 ", addr=%p",
50842bdc	152	stream, bt_stream_get_name(stream),
90bd5941	153	stream_class,
50842bdc PP	154	bt_stream_class_get_name(stream_class),
50842bdc PP	155	bt_stream_class_get_id(stream_class), notification);
3230ee6b PP	156	return &notification->parent;
	157	error:
	158	return NULL;
	159	}
	160
50842bdc	161	struct bt_stream *bt_notification_stream_begin_get_stream(
3230ee6b PP	162	struct bt_notification *notification)
	163	{
	164	struct bt_notification_stream_begin *stream_begin;
	165
f6ccaed9 PP	166	BT_ASSERT_PRE_NON_NULL(notification, "Notification");
	167	BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
	168	BT_NOTIFICATION_TYPE_STREAM_BEGIN);
3230ee6b PP	169	stream_begin = container_of(notification,
3230ee6b PP	170	struct bt_notification_stream_begin, parent);
f6ccaed9	171	return bt_get(stream_begin->stream);
3230ee6b	172	}