tcp-prr-recovery.h

Go to the documentation of this file.

/*
 * Copyright (c) 2018 NITK Surathkal
 *
 * 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: Viyom Mittal <viyommittal@gmail.com>
 *         Vivek Jain <jain.vivek.anand@gmail.com>
 *         Mohit P. Tahiliani <tahiliani@nitk.edu.in>
 *
 */
#ifndef TCP_PRR_RECOVERY_H
#define TCP_PRR_RECOVERY_H
 
#include "tcp-recovery-ops.h"
 
namespace ns3
{
 
class TcpPrrRecovery : public TcpClassicRecovery
{
  public:
    static TypeId GetTypeId();
 
    TcpPrrRecovery();
 
    TcpPrrRecovery(const TcpPrrRecovery& sock);
 
    ~TcpPrrRecovery() override;
 
    enum ReductionBound_t
    {
        CRB, 
        SSRB 
    };
 
    std::string GetName() const override;
 
    void EnterRecovery(Ptr<TcpSocketState> tcb,
                       uint32_t dupAckCount,
                       uint32_t unAckDataCount,
                       uint32_t deliveredBytes) override;
 
    void DoRecovery(Ptr<TcpSocketState> tcb, uint32_t deliveredBytes) override;
 
    void ExitRecovery(Ptr<TcpSocketState> tcb) override;
 
    void UpdateBytesSent(uint32_t bytesSent) override;
 
    Ptr<TcpRecoveryOps> Fork() override;
 
  private:
    uint32_t m_prrDelivered{0};       
    uint32_t m_prrOut{0};             
    uint32_t m_recoveryFlightSize{0}; 
    ReductionBound_t m_reductionBoundMode{SSRB}; 
};
} // namespace ns3
 
#endif /* TCP_PRR_RECOVERY_H */