block-ack-agreement.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2009 MIRKO BANCHI
 *
 * 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: Mirko Banchi <mk.banchi@gmail.com>
 */

#ifndef BLOCK_ACK_AGREEMENT_H
#define BLOCK_ACK_AGREEMENT_H

#include "ns3/mac48-address.h"
#include "ns3/event-id.h"
#include "block-ack-type.h"

namespace ns3 {
class BlockAckAgreement
{
  friend class MacLow;
  friend class HtFrameExchangeManager;

public:
  BlockAckAgreement (Mac48Address peer, uint8_t tid);
  virtual ~BlockAckAgreement ();
  void SetBufferSize (uint16_t bufferSize);
  void SetTimeout (uint16_t timeout);
  void SetStartingSequence (uint16_t seq);
  void SetStartingSequenceControl (uint16_t seq);
  void SetImmediateBlockAck (void);
  void SetDelayedBlockAck (void);
  void SetAmsduSupport (bool supported);
  uint8_t GetTid (void) const;
  Mac48Address GetPeer (void) const;
  uint16_t GetBufferSize (void) const;
  uint16_t GetTimeout (void) const;
  virtual uint16_t GetStartingSequence (void) const;
  uint16_t GetStartingSequenceControl (void) const;
  uint16_t GetWinEnd (void) const;
  bool IsImmediateBlockAck (void) const;
  bool IsAmsduSupported (void) const;
  void SetHtSupported (bool htSupported);
  bool IsHtSupported (void) const;
  BlockAckType GetBlockAckType (void) const;
  BlockAckReqType GetBlockAckReqType (void) const;
  static std::size_t GetDistance (uint16_t seqNumber, uint16_t startingSeqNumber);


protected:
  Mac48Address m_peer;       
  uint8_t m_amsduSupported;  
  uint8_t m_blockAckPolicy;  
  uint8_t m_tid;             
  uint16_t m_bufferSize;     
  uint16_t m_timeout;        
  uint16_t m_startingSeq;    
  uint16_t m_winEnd;         
  uint8_t m_htSupported;     
  EventId m_inactivityEvent; 
};

} //namespace ns3

#endif /* BLOCK_ACK_AGREEMENT_H */