[babeltrace.git] / lib / graph / notification / notification.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 "NOTIF"
#include <babeltrace/lib-logging-internal.h>

#include <babeltrace/graph/notification-const.h>
#include <babeltrace/graph/notification-internal.h>
#include <babeltrace/graph/graph-internal.h>
#include <babeltrace/assert-internal.h>
#include <babeltrace/assert-pre-internal.h>

BT_ASSERT_PRE_FUNC
static inline void _init_seq_num(struct bt_notification *notification)
{
	notification->seq_num = UINT64_C(-1);
}

#ifdef BT_DEV_MODE
# define init_seq_num	_init_seq_num
#else
# define init_seq_num(_notif)
#endif /* BT_DEV_MODE */

BT_HIDDEN
void bt_notification_init(struct bt_notification *notification,
		enum bt_notification_type type,
		bt_object_release_func release,
		struct bt_graph *graph)
{
	BT_ASSERT(type >= 0 &&
		type <= BT_NOTIFICATION_TYPE_PACKET_END);
	notification->type = type;
	init_seq_num(notification);
	bt_object_init_shared(&notification->base, release);
	notification->graph = graph;

	if (graph) {
		bt_graph_add_notification(graph, notification);
	}
}

enum bt_notification_type bt_notification_get_type(
		const struct bt_notification *notification)
{
	BT_ASSERT_PRE_NON_NULL(notification, "Notification");
	return notification->type;
}

BT_HIDDEN
void bt_notification_unlink_graph(struct bt_notification *notif)
{
	BT_ASSERT(notif);
	notif->graph = NULL;
}
Commit	Line	Data
	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
	24	#define BT_LOG_TAG "NOTIF"
	25	#include <babeltrace/lib-logging-internal.h>
	26
	27	#include <babeltrace/graph/notification-const.h>
	28	#include <babeltrace/graph/notification-internal.h>
	29	#include <babeltrace/graph/graph-internal.h>
	30	#include <babeltrace/assert-internal.h>
	31	#include <babeltrace/assert-pre-internal.h>
	32
	33	BT_ASSERT_PRE_FUNC
	34	static inline void _init_seq_num(struct bt_notification *notification)
	35	{
	36	notification->seq_num = UINT64_C(-1);
	37	}
	38
	39	#ifdef BT_DEV_MODE
	40	# define init_seq_num _init_seq_num
	41	#else
	42	# define init_seq_num(_notif)
	43	#endif /* BT_DEV_MODE */
	44
	45	BT_HIDDEN
	46	void bt_notification_init(struct bt_notification *notification,
	47	enum bt_notification_type type,
	48	bt_object_release_func release,
	49	struct bt_graph *graph)
	50	{
	51	BT_ASSERT(type >= 0 &&
	52	type <= BT_NOTIFICATION_TYPE_PACKET_END);
	53	notification->type = type;
	54	init_seq_num(notification);
	55	bt_object_init_shared(&notification->base, release);
	56	notification->graph = graph;
	57
	58	if (graph) {
	59	bt_graph_add_notification(graph, notification);
	60	}
	61	}
	62
	63	enum bt_notification_type bt_notification_get_type(
	64	const struct bt_notification *notification)
	65	{
	66	BT_ASSERT_PRE_NON_NULL(notification, "Notification");
	67	return notification->type;
	68	}
	69
	70	BT_HIDDEN
	71	void bt_notification_unlink_graph(struct bt_notification *notif)
	72	{
	73	BT_ASSERT(notif);
	74	notif->graph = NULL;
	75	}