#include "simul.h"

Server::Server()
// constructor
{
    busy = FALSE;
    waitTime = 0;
    numOfFinished = 0;
    meanCollected = 0;
    meanWait = 0;
    tempWait = 0;
    variance = 0;
    confInterval = 0;
    arrivals = 0;
}

void Server::setBusy()
{
    busy = TRUE;
}

void Server::setFree()
{
    busy = FALSE;
}

boolean Server::isBusy()
{
    return busy;
}

void Server::increment()
{
    arrivals ++;
}

void Server::collectStats(double currentTime, double arrivalTime)
{
    waitTime += currentTime - arrivalTime;
    tempWait += currentTime - arrivalTime;
    numOfFinished ++;
    if (numOfFinished % BATCHSIZE == 0) // collect
    {
	groupMean[meanCollected] = tempWait/BATCHSIZE;
	tempWait = 0;
	meanCollected ++;
    }
}

void Server::printStats()
{
    meanWait = getNAvg(meanCollected,groupMean);
    variance = getVar(meanCollected,meanWait,groupMean);
//    confInterval = getConf(meanCollected,variance);
    cout << " total arrivals " << arrivals << endl;;
    cout << " the number of means collected : " << meanCollected << endl;
    cout << " total wait time " << waitTime << endl;
    cout << " total number of jobs finished " << numOfFinished << endl;
    cout << " average wait time " << waitTime/numOfFinished << endl;
    cout << " mean wait time " << meanWait << endl;
    cout << " variance is " << variance << endl;
//    cout << " confidence interval is " << confInterval << endl;
}