packet-loss-counter.h

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/*
 * Copyright (c) 2007,2008,2009 INRIA, UDCAST
 *
 * 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: Amine Ismail <amine.ismail@sophia.inria.fr>
 *                      <amine.ismail@udcast.com>
 *
 */
 
#ifndef PACKET_LOSS_COUNTER_H
#define PACKET_LOSS_COUNTER_H
 
#include "ns3/address.h"
#include "ns3/application.h"
#include "ns3/event-id.h"
#include "ns3/ptr.h"
 
namespace ns3
{
 
class Socket;
class Packet;
 
class PacketLossCounter
{
  public:
    PacketLossCounter(uint8_t bitmapSize);
    ~PacketLossCounter();
    void NotifyReceived(uint32_t seq);
    uint32_t GetLost() const;
    uint16_t GetBitMapSize() const;
    void SetBitMapSize(uint16_t size);
 
  private:
    bool GetBit(uint32_t seqNum);
    void SetBit(uint32_t seqNum, bool val);
 
    uint32_t m_lost;          
    uint16_t m_bitMapSize;    
    uint32_t m_lastMaxSeqNum; 
    uint8_t* m_receiveBitMap; 
};
} // namespace ns3
 
#endif /* PACKET_LOSS_COUNTER_H */