/**
 * @file Main.cpp
 *
 * Created on: 07-01-2017
 * @author Piotr Dergun
 */

#include "common.h"
#include "Node.h"
#include "NATRouter.h"
#include "Simulation.h"

/**
 * zwraca na stderr informację o parametrach uruchomienia programu
 * @param programName nazwa pliku wykonywalnego
 */
void usage(string programName)
{
	cerr << endl;
	cerr << "Usage:" << endl;
	cerr << programName << " p2p\t\t\tP2P simulation" << endl;
	cerr << programName << " nat <nodes>\t\tNAT overflow simulation" << endl;
	cerr << endl;
	exit(1);
}

/**
 * główna funkcja programu
 * @param argc ilość argumentów
 * @param argv tablica z argumentami
 */
int main(int argc, char *argv[])
{
	char *endptr=NULL;
	int nodesCount;

	if (argc < 2)
		usage(argv[0]);

	if (!strcmp(argv[1], "p2p"))
	{
		Simulation sim;
		sim.createThread("timer", SIM_TIMER, &sim);
		sim.p2pSimulation();
	}
	else if (!strcmp(argv[1], "nat"))
	{
		if (argc < 3)
			usage(argv[0]);

		nodesCount = strtol(argv[2], &endptr, 10);
		if (nodesCount < 1 || nodesCount > 253)
		{
			cerr << "Invalid number of nodes format [1,253]" << endl;
			usage(argv[0]);
		}

		Simulation sim;
		sim.createThread("timer", SIM_TIMER, &sim);
		sim.natOverflowSimulation(nodesCount);
	}
	else if (!strcmp(argv[1], "-v"))
	{

	}
	else
		usage(argv[0]);

	return 0;
}