/* -*-	Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */

/*

 * Copyright (c) 2006 INRIA

 * All rights reserved.

 *

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

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

 */

#ifndef MAC_NETWORK_INTERFACE_H

#define MAC_NETWORK_INTERFACE_H

#include <stdint.h>

#include "ns3/callback.h"

#include "mac-address.h"

#include "packet.h"

class MacNetworkInterface {

public:

	typedef Callback<void, Packet , MacNetworkInterface *> RxCallback;

	typedef Callback<void,MacNetworkInterface *> StatusChangeCallback; 

	MacNetworkInterface (MacAddress self, uint16_t max_mtu);

	virtual ~MacNetworkInterface () = 0;

	MacAddress get_mac_address (void) const;

	void set_mtu (uint16_t mtu);

	uint16_t get_mtu (void) const;

	bool is_down (void) const;

	void set_up   (void);

	void set_down (void);

	void set_status_change_callback (StatusChangeCallback callback);

	void set_rx_callback (RxCallback callback);

	void send (Packet packet, MacAddress to);

protected:

	void forward_up (Packet packet);

	void notify_status_change (void);

private:

	virtual void notify_up (void) = 0;

	virtual void notify_down (void) = 0;

	virtual void real_send (Packet packet, MacAddress to) = 0;

	StatusChangeCallback m_status_change_callback;

	RxCallback m_rx_callback;

	MacAddress m_self;

	uint16_t m_max_mtu;

	uint16_t m_mtu;

	bool m_is_down;

};

#endif /* MAC_NETWORK_INTERFACE_H */