/usr/include/SFML/Network/TcpListener.hpp is in libsfml-dev 2.1+dfsg-4ubuntu2.
This file is owned by root:root, with mode 0o644.
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//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2013 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_TCPLISTENER_HPP
#define SFML_TCPLISTENER_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Network/Export.hpp>
#include <SFML/Network/Socket.hpp>
namespace sf
{
class TcpSocket;
////////////////////////////////////////////////////////////
/// \brief Socket that listens to new TCP connections
///
////////////////////////////////////////////////////////////
class SFML_NETWORK_API TcpListener : public Socket
{
public :
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
////////////////////////////////////////////////////////////
TcpListener();
////////////////////////////////////////////////////////////
/// \brief Get the port to which the socket is bound locally
///
/// If the socket is not listening to a port, this function
/// returns 0.
///
/// \return Port to which the socket is bound
///
/// \see listen
///
////////////////////////////////////////////////////////////
unsigned short getLocalPort() const;
////////////////////////////////////////////////////////////
/// \brief Start listening for connections
///
/// This functions makes the socket listen to the specified
/// port, waiting for new connections.
/// If the socket was previously listening to another port,
/// it will be stopped first and bound to the new port.
///
/// \param port Port to listen for new connections
///
/// \return Status code
///
/// \see accept, close
///
////////////////////////////////////////////////////////////
Status listen(unsigned short port);
////////////////////////////////////////////////////////////
/// \brief Stop listening and close the socket
///
/// This function gracefully stops the listener. If the
/// socket is not listening, this function has no effect.
///
/// \see listen
///
////////////////////////////////////////////////////////////
void close();
////////////////////////////////////////////////////////////
/// \brief Accept a new connection
///
/// If the socket is in blocking mode, this function will
/// not return until a connection is actually received.
///
/// \param socket Socket that will hold the new connection
///
/// \return Status code
///
/// \see listen
///
////////////////////////////////////////////////////////////
Status accept(TcpSocket& socket);
};
} // namespace sf
#endif // SFML_TCPLISTENER_HPP
////////////////////////////////////////////////////////////
/// \class sf::TcpListener
/// \ingroup network
///
/// A listener socket is a special type of socket that listens to
/// a given port and waits for connections on that port.
/// This is all it can do.
///
/// When a new connection is received, you must call accept and
/// the listener returns a new instance of sf::TcpSocket that
/// is properly initialized and can be used to communicate with
/// the new client.
///
/// Listener sockets are specific to the TCP protocol,
/// UDP sockets are connectionless and can therefore communicate
/// directly. As a consequence, a listener socket will always
/// return the new connections as sf::TcpSocket instances.
///
/// A listener is automatically closed on destruction, like all
/// other types of socket. However if you want to stop listening
/// before the socket is destroyed, you can call its close()
/// function.
///
/// Usage example:
/// \code
/// // Create a listener socket and make it wait for new
/// // connections on port 55001
/// sf::TcpListener listener;
/// listener.listen(55001);
///
/// // Endless loop that waits for new connections
/// while (running)
/// {
/// sf::TcpSocket client;
/// if (listener.accept(client) == sf::Socket::Done)
/// {
/// // A new client just connected!
/// std::cout << "New connection received from " << client.getRemoteAddress() << std::endl;
/// doSomethingWith(client);
/// }
/// }
/// \endcode
///
/// \see sf::TcpSocket, sf::Socket
///
////////////////////////////////////////////////////////////
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