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////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Network.hpp>
#include <iostream>
////////////////////////////////////////////////////////////
/// Launch a server, wait for an incoming connection,
/// send a message and wait for the answer.
///
////////////////////////////////////////////////////////////
void runTcpServer(unsigned short port)
{
// Create a server socket to accept new connections
sf::TcpListener listener;
// Listen to the given port for incoming connections
if (listener.listen(port) != sf::Socket::Done)
return;
std::cout << "Server is listening to port " << port << ", waiting for connections... " << std::endl;
// Wait for a connection
sf::TcpSocket socket;
if (listener.accept(socket) != sf::Socket::Done)
return;
std::cout << "Client connected: " << socket.getRemoteAddress() << std::endl;
// Send a message to the connected client
const char out[] = "Hi, I'm the server";
if (socket.send(out, sizeof(out)) != sf::Socket::Done)
return;
std::cout << "Message sent to the client: \"" << out << "\"" << std::endl;
// Receive a message back from the client
char in[128];
std::size_t received;
if (socket.receive(in, sizeof(in), received) != sf::Socket::Done)
return;
std::cout << "Answer received from the client: \"" << in << "\"" << std::endl;
}
////////////////////////////////////////////////////////////
/// Create a client, connect it to a server, display the
/// welcome message and send an answer.
///
////////////////////////////////////////////////////////////
void runTcpClient(unsigned short port)
{
// Ask for the server address
sf::IpAddress server;
do
{
std::cout << "Type the address or name of the server to connect to: ";
std::cin >> server;
}
while (server == sf::IpAddress::None);
// Create a socket for communicating with the server
sf::TcpSocket socket;
// Connect to the server
if (socket.connect(server, port) != sf::Socket::Done)
return;
std::cout << "Connected to server " << server << std::endl;
// Receive a message from the server
char in[128];
std::size_t received;
if (socket.receive(in, sizeof(in), received) != sf::Socket::Done)
return;
std::cout << "Message received from the server: \"" << in << "\"" << std::endl;
// Send an answer to the server
const char out[] = "Hi, I'm a client";
if (socket.send(out, sizeof(out)) != sf::Socket::Done)
return;
std::cout << "Message sent to the server: \"" << out << "\"" << std::endl;
}
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