/examples/sockets/UDP.cpp
C++ | 72 lines | 42 code | 11 blank | 19 comment | 12 complexity | 417211c7aceca25c3d76dacc79a06e2d MD5 | raw file
- ////////////////////////////////////////////////////////////
- // 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;
- }