Added support for the CMake build system

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1550 4e206d99-4929-0410-ac5d-dfc041789085

examples/sockets/TCP.cpp

@@ -0,0 +1,81 @@
+
+////////////////////////////////////////////////////////////
+// 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;
+}