/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2009 IITP RAS
 *
 * 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: Kirill Andreev <andreev@iitp.ru>
 */

#ifndef FLAME_PROTOCOL_MAC_H
#define FLAME_PROTOCOL_MAC_H

#include "ns3/mesh-wifi-interface-mac.h"

namespace ns3 {
namespace flame {
class FlameProtocol;
/**
 * \ingroup flame
 *
 * \brief Interface MAC plugin FLAME routing protocol
 */
class FlameProtocolMac : public MeshWifiInterfaceMacPlugin
{
public:
  FlameProtocolMac (Ptr<FlameProtocol>);
  ~FlameProtocolMac ();
  
  // Inherited from MAC plugin
  void SetParent (Ptr<MeshWifiInterfaceMac> parent);
  bool Receive (Ptr<Packet> packet, const WifiMacHeader & header);
  bool UpdateOutcomingFrame (Ptr<Packet> packet, WifiMacHeader & header, Mac48Address from, Mac48Address to);
  /// Update beacon is empty, because HWMP does not know anything about beacons
  void UpdateBeacon (MeshWifiBeacon & beacon) const {};
  /// AssignStreams is empty, because this model doesn't use random variables
  int64_t AssignStreams (int64_t stream) { return 0; }

  uint16_t GetChannelId () const;
  /// Report statistics
  void Report (std::ostream &) const;
  void ResetStats ();

private:
  
  // MeshPointDevice parameters:
  Ptr<FlameProtocol> m_protocol;
  Ptr<MeshWifiInterfaceMac> m_parent;
  ///\name Statistics:
  ///\{
  struct Statistics
  {
    uint16_t txUnicast;
    uint16_t txBroadcast;
    uint32_t txBytes;
    uint16_t rxUnicast;
    uint16_t rxBroadcast;
    uint32_t rxBytes;

    void Print (std::ostream & os) const;
    Statistics ();
  };
  Statistics m_stats;
  ///\}

};
} // namespace flame
} // namespace ns3
#endif /* FLAME_PROTOCOL_MAC_H */
