/*

 *

 *  BlueZ - Bluetooth protocol stack for Linux

 *

 *  Copyright (C) 2014  Intel Corporation. All rights reserved.

 *

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Lesser General Public

 *  License as published by the Free Software Foundation; either

 *  version 2.1 of the License, or (at your option) any later version.

 *

 *  This library is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *  Lesser General Public License for more details.

 *

 */

#include <stdlib.h>

#include "mainloop.h"

#include "util.h"

#include "timeout.h"

struct timeout_data {

	int id;

	timeout_func_t func;

	timeout_destroy_func_t destroy;

	unsigned int timeout;

	void *user_data;

};

static void timeout_callback(int id, void *user_data)

{

	struct timeout_data *data = user_data;

	if (data->func(data->user_data) &&

			!mainloop_modify_timeout(data->id, data->timeout))

		return;

	mainloop_remove_timeout(data->id);

}

static void timeout_destroy(void *user_data)

{

	struct timeout_data *data = user_data;

	if (data->destroy)

		data->destroy(data->user_data);

	free(data);

}

unsigned int timeout_add(unsigned int timeout, timeout_func_t func,

			void *user_data, timeout_destroy_func_t destroy)

{

	struct timeout_data *data;

	data = new0(struct timeout_data, 1);

	data->func = func;

	data->user_data = user_data;

	data->timeout = timeout;

	data->destroy = destroy;

	data->id = mainloop_add_timeout(timeout, timeout_callback, data,

							timeout_destroy);

	if (data->id < 0) {

		free(data);

		return 0;

	}

	return (unsigned int) data->id;

}

void timeout_remove(unsigned int id)

{

	if (!id)

		return;

	mainloop_remove_timeout((int) id);

}