ModelBandwidthBins.cpp

#include "Headers.h"
#include "ModelBandwidthBins.h"
#include "Rand.h"

CModelBandwidthBins::CModelBandwidthBins(
    __uint32    binsCount,
    double*     binsFraction,
    __bitrate*  binsBandwidth
    )
{
    this->binsCount = binsCount;
    this->binsFraction = binsFraction;
    this->binsBandwidth = binsBandwidth;
}

__bitrate CModelBandwidthBins::Bandwidth(__uint32 peer)
{
    // Generate a random number
    double rnd = CRand::Generate();

    // Find the bin
    double sum = 0;
    for(unsigned int index = 0; index < this->binsCount; index++)
        if(sum + this->binsFraction[index] >= rnd)
            return this->binsBandwidth[index];
        else
            sum += this->binsFraction[index];
    return this->binsBandwidth[this->binsCount-1];
}