[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.
 */

#include <babeltrace/compiler-internal.h>
#include <babeltrace/ctf-ir/stream-internal.h>
#include <babeltrace/graph/notification-stream-internal.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_PUT(notification->stream);
	g_free(notification);
}

struct bt_notification *bt_notification_stream_end_create(
		struct bt_ctf_stream *stream)
{
	struct bt_notification_stream_end *notification;

	if (!stream || stream->pos.fd >= 0) {
		goto error;
	}

	notification = g_new0(struct bt_notification_stream_end, 1);
	bt_notification_init(&notification->parent,
			BT_NOTIFICATION_TYPE_STREAM_END,
			bt_notification_stream_end_destroy);
	notification->stream = bt_get(stream);
	return &notification->parent;
error:
	return NULL;
}

struct bt_ctf_packet *bt_notification_stream_end_get_stream(
		struct bt_notification *notification)
{
	struct bt_notification_stream_end *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_PUT(notification->stream);
	g_free(notification);
}

struct bt_notification *bt_notification_stream_begin_create(
		struct bt_ctf_stream *stream)
{
	struct bt_notification_stream_begin *notification;

	if (!stream || stream->pos.fd >= 0) {
		goto error;
	}

	notification = g_new0(struct bt_notification_stream_begin, 1);
	bt_notification_init(&notification->parent,
			BT_NOTIFICATION_TYPE_STREAM_BEGIN,
			bt_notification_stream_begin_destroy);
	notification->stream = bt_get(stream);
	return &notification->parent;
error:
	return NULL;
}

struct bt_ctf_packet *bt_notification_stream_begin_get_stream(
		struct bt_notification *notification)
{
	struct bt_notification_stream_begin *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
3d9990ac	27	#include <babeltrace/compiler-internal.h>
3230ee6b	28	#include <babeltrace/ctf-ir/stream-internal.h>
b2e0c907	29	#include <babeltrace/graph/notification-stream-internal.h>
043e2020 JG	30
	31	static
	32	void bt_notification_stream_end_destroy(struct bt_object *obj)
	33	{
	34	struct bt_notification_stream_end *notification =
	35	(struct bt_notification_stream_end *) obj;
	36
	37	BT_PUT(notification->stream);
	38	g_free(notification);
	39	}
	40
	41	struct bt_notification *bt_notification_stream_end_create(
	42	struct bt_ctf_stream *stream)
	43	{
	44	struct bt_notification_stream_end *notification;
	45
3230ee6b	46	if (!stream \|\| stream->pos.fd >= 0) {
043e2020 JG	47	goto error;
	48	}
	49
	50	notification = g_new0(struct bt_notification_stream_end, 1);
	51	bt_notification_init(&notification->parent,
	52	BT_NOTIFICATION_TYPE_STREAM_END,
	53	bt_notification_stream_end_destroy);
	54	notification->stream = bt_get(stream);
	55	return &notification->parent;
	56	error:
	57	return NULL;
	58	}
	59
	60	struct bt_ctf_packet *bt_notification_stream_end_get_stream(
	61	struct bt_notification *notification)
	62	{
	63	struct bt_notification_stream_end *stream_end;
	64
	65	stream_end = container_of(notification,
	66	struct bt_notification_stream_end, parent);
	67	return bt_get(stream_end->stream);
	68	}
3230ee6b PP	69
	70	static
	71	void bt_notification_stream_begin_destroy(struct bt_object *obj)
	72	{
	73	struct bt_notification_stream_begin *notification =
	74	(struct bt_notification_stream_begin *) obj;
	75
	76	BT_PUT(notification->stream);
	77	g_free(notification);
	78	}
	79
	80	struct bt_notification *bt_notification_stream_begin_create(
	81	struct bt_ctf_stream *stream)
	82	{
	83	struct bt_notification_stream_begin *notification;
	84
	85	if (!stream \|\| stream->pos.fd >= 0) {
	86	goto error;
	87	}
	88
	89	notification = g_new0(struct bt_notification_stream_begin, 1);
	90	bt_notification_init(&notification->parent,
	91	BT_NOTIFICATION_TYPE_STREAM_BEGIN,
	92	bt_notification_stream_begin_destroy);
	93	notification->stream = bt_get(stream);
	94	return &notification->parent;
	95	error:
	96	return NULL;
	97	}
	98
	99	struct bt_ctf_packet *bt_notification_stream_begin_get_stream(
	100	struct bt_notification *notification)
	101	{
	102	struct bt_notification_stream_begin *stream_begin;
	103
	104	stream_begin = container_of(notification,
	105	struct bt_notification_stream_begin, parent);
	106	return bt_get(stream_begin->stream);
	107	}