Update notification iterator's "init" function signature

[babeltrace.git] / lib / component / notification / event.c

/*
 * Babeltrace Plug-in Event 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.
 */

#include <babeltrace/compiler.h>
#include <babeltrace/component/notification/event-internal.h>

static
void bt_notification_event_destroy(struct bt_object *obj)
{
	struct bt_notification_event *notification =
			(struct bt_notification_event *) obj;

	BT_PUT(notification->event);
	g_free(notification);
}

struct bt_notification *bt_notification_event_create(struct bt_ctf_event *event)
{
	struct bt_notification_event *notification;

	if (!event) {
		goto error;
	}

	// FIXME - Validate that the event is associated to a packet
	//         and freeze the event.
	notification = g_new0(struct bt_notification_event, 1);
	if (!notification) {
		goto error;
	}
	bt_notification_init(&notification->parent,
			BT_NOTIFICATION_TYPE_EVENT,
			bt_notification_event_destroy);
	notification->event = bt_get(event);
	return &notification->parent;
error:
	return NULL;
}

struct bt_ctf_event *bt_notification_event_get_event(
		struct bt_notification *notification)
{
	struct bt_ctf_event *event = NULL;
	struct bt_notification_event *event_notification;

	if (bt_notification_get_type(notification) !=
			BT_NOTIFICATION_TYPE_EVENT) {
		goto end;
	}
	event_notification = container_of(notification,
			struct bt_notification_event, parent);
	event = bt_get(event_notification->event);
end:
	return event;
}