mac-tx-middle.h

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/*
 * Copyright (c) 2005, 2009 INRIA
 * 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
 *
 * Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 *          Mirko Banchi <mk.banchi@gmail.com>
 */
 
#ifndef MAC_TX_MIDDLE_H
#define MAC_TX_MIDDLE_H
 
#include "ns3/simple-ref-count.h"
 
#include <map>
 
namespace ns3
{
 
class WifiMacHeader;
class Mac48Address;
 
class MacTxMiddle : public SimpleRefCount<MacTxMiddle>
{
  public:
    MacTxMiddle();
    ~MacTxMiddle();
 
    uint16_t GetNextSequenceNumberFor(const WifiMacHeader* hdr);
    uint16_t PeekNextSequenceNumberFor(const WifiMacHeader* hdr);
    uint16_t GetNextSeqNumberByTidAndAddress(uint8_t tid, Mac48Address addr) const;
    void SetSequenceNumberFor(const WifiMacHeader* hdr);
 
  private:
    std::map<Mac48Address, uint16_t*> m_qosSequences; 
    uint16_t m_sequence;                              
};
 
} // namespace ns3
 
#endif /* MAC_TX_MIDDLE_H */