TxControlPolicyLG.h

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// The MIT License (MIT)
//
// Copyright (c) 2014-2016 Brno University of Technology, PRISTINE project
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifndef TXCONTROLPOLICYLG_H_
#define TXCONTROLPOLICYLG_H_

#include "TxControlPolicyBase.h"

#define INITIAL_RATE    0.04
#define ALPHA           0.1
#define RST_WND         1
#define SEGMENT_SIZE    1460
#define BANDWIDTH       9500000

class TxControlPolicyLG : public TxControlPolicyBase
{
private:
    double rate;
    double alpha;
    double flightSize;
    double sendCredit;
    //FIXME: Vesely: Unused variable commented
    //double cwnd;

    simsignal_t sigStatRate;
    simsignal_t sigStatFlightSize;

public:
    TxControlPolicyLG();
    virtual ~TxControlPolicyLG();
    virtual bool run(DTPState* dtpState, DTCPState* dtcpState);

    void updateRate(double load, double acked);
    double getActualRate(DTPState* dtpState);
    double getRate();

    void initialize();
};

#endif /* TXCONTROLPOLICYLG_H_ */