satellite-arq-sequence-number.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013 Magister Solutions Ltd.
 *
 * 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: Jani Puttonen <jani.puttonen@magister.fi>
 */
 
#ifndef SATELLITE_ARQ_SEQUENCE_NUMBER_H_
#define SATELLITE_ARQ_SEQUENCE_NUMBER_H_
 
#include "ns3/simple-ref-count.h"
 
#include <map>
#include <stdint.h>

namespace ns3
{
 
class SatArqSequenceNumber : public SimpleRefCount<SatArqSequenceNumber>
{
  public:
    SatArqSequenceNumber();

    SatArqSequenceNumber(uint8_t windowSize);
 
    virtual ~SatArqSequenceNumber()
    {
    }

    bool SeqNoAvailable() const;

    uint8_t NextSequenceNumber();

    void Release(uint8_t seqNo);
 
  private:
    void CleanUp();
 
    std::map<uint32_t, bool> m_seqNoMap;
    int m_currSeqNo;
    uint32_t m_windowSize;
    uint32_t m_maxSn;
};
 
} // namespace ns3
 
#endif /* SATELLITE_ARQ_SEQUENCE_NUMBER_H_ */