/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2005,2006 INRIA

 *

 * 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_HIGH_NQAP_H

#define MAC_HIGH_NQAP_H

#include <stdint.h>

#include "ns3/mac48-address.h"

#include "ns3/callback.h"

#include "ns3/packet.h"

#include "ns3/nstime.h"

#include "supported-rates.h"

namespace ns3 {

class WifiMacHeader;

class WifiNetDevice;

class DcaTxop;

class MacStations;

class WifiPhy;

/**

 * \brief non-QoS AP state machine

 *

 * Handle association, dis-association and authentication,

 * of STAs within an IBSS.

 * This class uses two output queues, each of which is server by

 * a single DCF

 *   - the highest priority DCF serves the queue which contains

 *     only beacons.

 *   - the lowest priority DCF serves the queue which contains all

 *     other frames, including user data frames.

 */

class MacHighNqap {

public:

  typedef Callback<void, Ptr<Packet>, const Mac48Address &> ForwardCallback;

  MacHighNqap ();

  ~MacHighNqap ();

  void SetDevice (WifiNetDevice *device);

  void SetStations (MacStations *stations);

  void SetPhy (Ptr<WifiPhy> phy);

  void SetForwardCallback (ForwardCallback callback);

  void SetBeaconInterval (Time interval);

  void Queue (Ptr<const Packet> packet, Mac48Address to);

  /**

   * Start beacon transmission immediately.

   */

  void StartBeaconing (void);

  void Receive (Ptr<Packet> packet, WifiMacHeader const *hdr);

private:

  void ForwardDown (Ptr<const Packet> packet, Mac48Address from, Mac48Address to);

  void TxOk (WifiMacHeader const &hdr);

  void TxFailed (WifiMacHeader const &hdr);

  void SendProbeResp (Mac48Address to);

  void SendAssocResp (Mac48Address to, bool success);

  void SendOneBeacon (void);

  SupportedRates GetSupportedRates (void) const;

  WifiNetDevice *m_device;

  MacStations *m_stations;

  Ptr<WifiPhy> m_phy;

  ForwardCallback m_forwardUp;

  Time m_beaconInterval;

};

} // namespace ns3

#endif /* MAC_HIGH_NQAP_H */