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83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Network.hpp>
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#include <iomanip>
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#include <iostream>
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////////////////////////////////////////////////////////////
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/// Launch a server, wait for an incoming connection,
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/// send a message and wait for the answer.
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///
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////////////////////////////////////////////////////////////
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void runTcpServer(unsigned short port)
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{
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// Create a server socket to accept new connections
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sf::TcpListener listener;
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// Listen to the given port for incoming connections
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if (listener.listen(port) != sf::Socket::Done)
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return;
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std::cout << "Server is listening to port " << port << ", waiting for connections... " << std::endl;
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// Wait for a connection
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sf::TcpSocket socket;
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if (listener.accept(socket) != sf::Socket::Done)
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return;
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std::cout << "Client connected: " << socket.getRemoteAddress().value() << std::endl;
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// Send a message to the connected client
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const char out[] = "Hi, I'm the server";
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if (socket.send(out, sizeof(out)) != sf::Socket::Done)
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return;
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std::cout << "Message sent to the client: " << std::quoted(out) << std::endl;
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// Receive a message back from the client
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char in[128];
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std::size_t received;
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if (socket.receive(in, sizeof(in), received) != sf::Socket::Done)
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return;
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std::cout << "Answer received from the client: " << std::quoted(in) << std::endl;
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}
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////////////////////////////////////////////////////////////
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/// Create a client, connect it to a server, display the
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/// welcome message and send an answer.
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///
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////////////////////////////////////////////////////////////
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void runTcpClient(unsigned short port)
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{
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// Ask for the server address
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std::optional<sf::IpAddress> server;
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do
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{
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std::cout << "Type the address or name of the server to connect to: ";
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std::cin >> server;
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} while (!server.has_value());
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// Create a socket for communicating with the server
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sf::TcpSocket socket;
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// Connect to the server
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if (socket.connect(server.value(), port) != sf::Socket::Done)
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return;
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std::cout << "Connected to server " << server.value() << std::endl;
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// Receive a message from the server
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char in[128];
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std::size_t received;
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if (socket.receive(in, sizeof(in), received) != sf::Socket::Done)
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return;
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std::cout << "Message received from the server: " << std::quoted(in) << std::endl;
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// Send an answer to the server
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const char out[] = "Hi, I'm a client";
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if (socket.send(out, sizeof(out)) != sf::Socket::Done)
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return;
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std::cout << "Message sent to the server: " << std::quoted(out) << std::endl;
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}
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