main.cpp

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#include "LoadBalancer.h"
#include "Config.h"
#include "Logger.h"
#include <iostream>
#include <limits>
#include <sstream>

int main() {
    int numServers = 0;
    int runTime = 0;
 
    Logger::init("server.log");
 
    Logger::log("Load Balancer Simulation\n");
    Logger::log("------------------------\n\n");
 
    while ( numServers < 1 || numServers > 1000 ) {
        Logger::log("Enter the number of servers (1-1000): ");
        if ( !(std::cin >> numServers) || numServers < 1 || numServers > 1000 ) {
            Logger::log("Invalid input. Please enter a number between 1 and 1000.\n");
            std::cin.clear();
            std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
            numServers = 0;
        }
    }
 
    while ( runTime < 1 || runTime > 100000 ) {
        Logger::log("Enter the runtime (1-100000): ");
        if ( !(std::cin >> runTime) || runTime < 1 || runTime > 100000 ) {
            Logger::log("Invalid input. Please enter a number between 1 and 100000.\n");
            std::cin.clear();
            std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
            runTime = 0;
        }
    }
 
 
    LoadBalancerConfig config;
    if (config.loadFromFile("config.txt")) {
        Logger::log("Loaded configuration from config.txt\n");
    } else {
        Logger::log("Using default configuration (config.txt not found)\n");
    }
 
    int initialQueueSize = numServers * config.initialQueueMultiplier;
    std::ostringstream oss;
    oss << "\nStarting with " << numServers << " servers, "
        << initialQueueSize << " initial requests, "
        << runTime << " clock cycles.\n\n";
    Logger::log(oss.str());
 
    LoadBalancer balancer(numServers, config);
    balancer.prefillQueue(initialQueueSize);
    balancer.run(runTime);
    balancer.printSummary(numServers);
 
    Logger::close();
    return 0;
}