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////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Network.hpp>
#include <iostream>
////////////////////////////////////////////////////////////
/// Launch a server, wait for a message, send an answer.
///
////////////////////////////////////////////////////////////
void runUdpServer(unsigned short port)
{
// Create a socket to receive a message from anyone
sf::UdpSocket socket;
// Listen to messages on the specified port
if (socket.bind(port) != sf::Socket::Done)
return;
std::cout << "Server is listening to port " << port << ", waiting for a message... " << std::endl;
// Wait for a message
char in[128];
std::size_t received;
sf::IpAddress sender;
unsigned short senderPort;
if (socket.receive(in, sizeof(in), received, sender, senderPort) != sf::Socket::Done)
return;
std::cout << "Message received from client " << sender << ": \"" << in << "\"" << std::endl;
// Send an answer to the client
const char out[] = "Hi, I'm the server";
if (socket.send(out, sizeof(out), sender, senderPort) != sf::Socket::Done)
return;
std::cout << "Message sent to the client: \"" << out << "\"" << std::endl;
}
////////////////////////////////////////////////////////////
/// Send a message to the server, wait for the answer
///
////////////////////////////////////////////////////////////
void runUdpClient(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::UdpSocket socket;
// Send a message to the server
const char out[] = "Hi, I'm a client";
if (socket.send(out, sizeof(out), server, port) != sf::Socket::Done)
return;
std::cout << "Message sent to the server: \"" << out << "\"" << std::endl;
// Receive an answer from anyone (but most likely from the server)
char in[128];
std::size_t received;
sf::IpAddress sender;
unsigned short senderPort;
if (socket.receive(in, sizeof(in), received, sender, senderPort) != sf::Socket::Done)
return;
std::cout << "Message received from " << sender << ": \"" << in << "\"" << std::endl;
}
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