RateReductionPolicyBase.cc

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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.
#include "RateReductionPolicyBase.h"
#include "DTP.h"

RateReductionPolicyBase::RateReductionPolicyBase()
{


}

RateReductionPolicyBase::~RateReductionPolicyBase()
{

}

void RateReductionPolicyBase::defaultAction(DTPState* dtpState, DTCPState* dtcpState)
{
  DTP* dtp = getRINAModule<DTP*>(this, 1, {MOD_DTP});
  /* Default */
  if (dtcpState->getRcvBuffersPercentFree() <= dtcpState->getRcvBufferPercentThreshold())
  {
//      flowControl->rcvrRate *= 0.9; //Reduce Rate 10%
    dtcpState->setRcvrRate(dtcpState->getRcvrRate() *0.9);

  }
  else
  {
    if (dtcpState->getRcvrRate() < dtcpState->getConfigRcvrRate()
        && dtcpState->getRcvBuffersPercentFree() > dtcpState->getRcvBufferPercentThreshold())
    {
      //set rate back to config rate
      dtcpState->setRcvrRate(dtcpState->getConfigRcvrRate());
    }
  }
  dtp->sendAckFlowPDU();
  /* End default */

}