tcp-recovery-ops.h

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/*
 * 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_RECOVERY_OPS_H
#define TCP_RECOVERY_OPS_H
 
#include "ns3/object.h"
 
namespace ns3
{
 
class TcpSocketState;
 
class TcpRecoveryOps : public Object
{
  public:
    static TypeId GetTypeId();
 
    TcpRecoveryOps();
 
    TcpRecoveryOps(const TcpRecoveryOps& other);
 
    ~TcpRecoveryOps() override;
 
    virtual std::string GetName() const = 0;
 
    virtual void EnterRecovery(Ptr<TcpSocketState> tcb,
                               uint32_t dupAckCount,
                               uint32_t unAckDataCount,
                               uint32_t deliveredBytes) = 0;
 
    virtual void DoRecovery(Ptr<TcpSocketState> tcb, uint32_t deliveredBytes) = 0;
 
    virtual void ExitRecovery(Ptr<TcpSocketState> tcb) = 0;
 
    virtual void UpdateBytesSent(uint32_t bytesSent);
 
    virtual Ptr<TcpRecoveryOps> Fork() = 0;
};
 
class TcpClassicRecovery : public TcpRecoveryOps
{
  public:
    static TypeId GetTypeId();
 
    TcpClassicRecovery();
 
    TcpClassicRecovery(const TcpClassicRecovery& recovery);
 
    ~TcpClassicRecovery() override;
 
    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;
 
    Ptr<TcpRecoveryOps> Fork() override;
};
 
} // namespace ns3
 
#endif /* TCP_RECOVERY_OPS_H */