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

/*
 * Babeltrace Plug-in Notification
 *
 * 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"
#include <babeltrace/lib-logging-internal.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_NR);
	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(
		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
6cdbfd7a JG	1	/*
	2	* Babeltrace Plug-in Notification
	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
f6ccaed9 PP	27	#define BT_LOG_TAG "NOTIF"
	28	#include <babeltrace/lib-logging-internal.h>
	29
b2e0c907	30	#include <babeltrace/graph/notification-internal.h>
5c563278	31	#include <babeltrace/graph/graph-internal.h>
f6ccaed9 PP	32	#include <babeltrace/assert-internal.h>
f6ccaed9 PP	33	#include <babeltrace/assert-pre-internal.h>
6cdbfd7a	34
f42867e2 PP	35	BT_ASSERT_PRE_FUNC
	36	static inline void _init_seq_num(struct bt_notification *notification)
	37	{
5c563278	38	notification->seq_num = UINT64_C(-1);
f42867e2 PP	39	}
	40
	41	#ifdef BT_DEV_MODE
	42	# define init_seq_num _init_seq_num
	43	#else
	44	# define init_seq_num(_notif)
	45	#endif /* BT_DEV_MODE */
	46
78586d8a JG	47	BT_HIDDEN
	48	void bt_notification_init(struct bt_notification *notification,
	49	enum bt_notification_type type,
5c563278 PP	50	bt_object_release_func release,
5c563278 PP	51	struct bt_graph *graph)
78586d8a	52	{
f42867e2	53	BT_ASSERT(type >= 0 && type < BT_NOTIFICATION_TYPE_NR);
78586d8a	54	notification->type = type;
f42867e2	55	init_seq_num(notification);
3fea54f6	56	bt_object_init_shared(&notification->base, release);
5c563278 PP	57	notification->graph = graph;
	58
	59	if (graph) {
	60	bt_graph_add_notification(graph, notification);
	61	}
78586d8a JG	62	}
78586d8a JG	63
6cdbfd7a JG	64	enum bt_notification_type bt_notification_get_type(
	65	struct bt_notification *notification)
	66	{
f6ccaed9 PP	67	BT_ASSERT_PRE_NON_NULL(notification, "Notification");
f6ccaed9 PP	68	return notification->type;
6cdbfd7a	69	}
5c563278 PP	70
	71	BT_HIDDEN
	72	void bt_notification_unlink_graph(struct bt_notification *notif)
	73	{
	74	BT_ASSERT(notif);
	75	notif->graph = NULL;
	76	}