block-ack-agreement.h

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/*
 * 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 "block-ack-type.h"
 
#include "ns3/event-id.h"
#include "ns3/mac48-address.h"
 
namespace ns3
{
class BlockAckAgreement
{
    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 SetDelayedBlockAck();
    void SetAmsduSupport(bool supported);
    uint8_t GetTid() const;
    Mac48Address GetPeer() const;
    uint16_t GetBufferSize() const;
    uint16_t GetTimeout() const;
    virtual uint16_t GetStartingSequence() const;
    uint16_t GetStartingSequenceControl() const;
    uint16_t GetWinEnd() const;
    bool IsImmediateBlockAck() const;
    bool IsAmsduSupported() const;
    void SetHtSupported(bool htSupported);
    bool IsHtSupported() const;
    BlockAckType GetBlockAckType() const;
    BlockAckReqType GetBlockAckReqType() 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;             
    mutable EventId m_inactivityEvent; 
};
 
} // namespace ns3
 
#endif /* BLOCK_ACK_AGREEMENT_H */