REDMonitor.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 <REDMonitor.h>

Define_Module(REDMonitor);

void REDMonitor::postQueueCreation(RMTQueue* queue)
{
    qAvgLengths[queue] = 0.0;
    qCounters[queue] = -1;

    qWeights[queue] = par("queueWeight").doubleValue();
}

void REDMonitor::preQueueRemoval(RMTQueue* queue)
{
    qAvgLengths.erase(queue);
    qWeights.erase(queue);
    qCounters.erase(queue);
}


void REDMonitor::postPDUInsertion(RMTQueue* queue)
{
    int length = queue->getLength();

    double avg = qAvgLengths[queue];
    double weight = qWeights[queue];

    simtime_t qTime = queue->getQTime();

    if (length > 0)
    {
        avg = (1 - weight) * avg + weight * length;
    }
    else
    {
        const double m = SIMTIME_DBL(simTime() - qTime);
        avg = pow(1 - weight, m) * avg;
    }

    qAvgLengths[queue] = avg;
}