tcp-bic.h

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/*
 * Copyright (c) 2014 Natale Patriciello <natale.patriciello@gmail.com>
 *
 * 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
 *
 */
 
#ifndef TCPBIC_H
#define TCPBIC_H
 
#include "tcp-congestion-ops.h"
#include "tcp-recovery-ops.h"
 
class TcpBicIncrementTest;
class TcpBicDecrementTest;
 
namespace ns3
{
 
class TcpBic : public TcpCongestionOps
{
  public:
    static TypeId GetTypeId();
 
    TcpBic();
 
    TcpBic(const TcpBic& sock);
 
    std::string GetName() const override;
    void IncreaseWindow(Ptr<TcpSocketState> tcb, uint32_t segmentsAcked) override;
    uint32_t GetSsThresh(Ptr<const TcpSocketState> tcb, uint32_t bytesInFlight) override;
 
    Ptr<TcpCongestionOps> Fork() override;
 
  protected:
    virtual uint32_t Update(Ptr<TcpSocketState> tcb);
 
  private:
    friend class ::TcpBicIncrementTest;
    friend class ::TcpBicDecrementTest;
 
    // User parameters
    bool m_fastConvergence; 
    double m_beta;          
    uint32_t m_maxIncr;     
    uint32_t m_lowWnd;      
    uint32_t m_smoothPart;  
 
    // Bic parameters
    uint32_t m_cWndCnt;     
    uint32_t m_lastMaxCwnd; 
    uint32_t m_lastCwnd;    
    Time m_epochStart;      
    uint8_t m_b;            
};
 
} // namespace ns3
#endif // TCPBIC_H