SimulatorNetUcast.cpp

#include "Headers.h"
#include "SimulatorNetUcast.h"
#include "TopoBrite.h"
#include "Rand.h"

#pragma warning(disable : 4996)

void CSimulatorNetUcast::Run(char* simName, int argc, char* argv[])
{
    printf("\n\nSimulator: NETWORK UNICAST (v. %s %s) (%s)\n", __DATE__, __TIME__, simName);

    if(argc != 7)
    {
        printf("\nSyntax is:\
               \n\t1 - Topology name\
               \n\t2 - Output file\
               \n\t3 - Count sources\
               \n\t4 - Count destinations\
               \n\t5 - Min topology\
               \n\t6 - Max topology\
               \n");
        return;
    }

    // Input parameters
    char*       name = argv[1];
    char*       outName = argv[2];
    __uint32    numSrc = atoi(argv[3]);
    __uint32    numDst = atoi(argv[4]);
    __uint32    minTopo = atoi(argv[5]);
    __uint32    maxTopo = atoi(argv[6]);

    printf("\nInput parameters are:\
        \n\t 1 - Topology name     = %s\
        \n\t 2 - Output file       = %s\
        \n\t 3 - Count sources       = %u\
        \n\t 4 - Count destinations  = %u\
        \n\t 5 - Min topology      = %u\
        \n\t 6 - Max topology      = %u\
        \n\n",
        name,
        outName,
        numSrc,
        numDst,
        minTopo,
        maxTopo);

    double      ucastLengthSum = 0;
    __uint32    ucastLengthNum = 0;
    char        topoFile[1024];

    FILE* out = fopen(outName, "w");
    if(NULL == out) printf("\n\nCannot open file %s.", outName);

    for(__uint32 topo = minTopo; topo <= maxTopo; topo++)
    {
        // Generate topology file
        sprintf(topoFile, "%s-%02u.brite", name, topo);

        CTopo* topology = new CTopoBrite(
            topoFile
            );

        for(__uint32 indexSrc = 0; indexSrc < numSrc; indexSrc++)
        {
            __uint32 src = CRand::Generate(topology->Nodes()-1);

            for(__uint32 indexDst = 0; indexDst < numDst; indexDst++)
            {
                __uint32 dst = CRand::Generate(topology->Nodes()-1);

                fprintf(out, "%u ", topology->Route()->Distance(src, dst));

                ucastLengthSum += topology->Route()->Distance(src, dst);
                ucastLengthNum ++;
            }
        }

        delete topology;
    }

    fclose(out);
    printf("\nAverage unicast path length: %.2lf", ucastLengthSum / ucastLengthNum);
}