////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <iostream>


void runTcpServer(unsigned short port);
void runTcpClient(unsigned short port);
void runUdpServer(unsigned short port);
void runUdpClient(unsigned short port);


////////////////////////////////////////////////////////////
/// Entry point of application
///
/// \return Application exit code
///
////////////////////////////////////////////////////////////
int main()
{
    // Choose an arbitrary port for opening sockets
    const unsigned short port = 50001;

    // TCP, UDP or connected UDP ?
    char protocol = 0;
    std::cout << "Do you want to use TCP (t) or UDP (u)? ";
    std::cin >> protocol;

    // Client or server ?
    char who = 0;
    std::cout << "Do you want to be a server (s) or a client (c)? ";
    std::cin >> who;

    if (protocol == 't')
    {
        // Test the TCP protocol
        if (who == 's')
            runTcpServer(port);
        else
            runTcpClient(port);
    }
    else
    {
        // Test the unconnected UDP protocol
        if (who == 's')
            runUdpServer(port);
        else
            runUdpClient(port);
    }

    // Wait until the user presses 'enter' key
    std::cout << "Press enter to exit..." << std::endl;
    std::cin.ignore(10000, '\n');
    std::cin.ignore(10000, '\n');
}