////////////////////////////////////////////////////////////

//

// SFML - Simple and Fast Multimedia Library

// Copyright (C) 2007-2009 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_SOCKETIMPL_HPP

#define SFML_SOCKETIMPL_HPP



////////////////////////////////////////////////////////////

// Headers

////////////////////////////////////////////////////////////

#include <SFML/Network/Socket.hpp>

#include <sys/types.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <netinet/tcp.h>

#include <arpa/inet.h>

#include <netdb.h>

#include <unistd.h>





namespace sf

{

namespace priv

{

////////////////////////////////////////////////////////////

/// \brief Helper class implementing all the non-portable

///        socket stuff; this is the Unix version

///

////////////////////////////////////////////////////////////

class SocketImpl

{

public :



    ////////////////////////////////////////////////////////////

    // Types

    ////////////////////////////////////////////////////////////

    typedef socklen_t AddrLength;



    ////////////////////////////////////////////////////////////

    /// \brief Create an internal sockaddr_in address

    ///

    /// \param address Target address

    /// \param port    Target port

    ///

    /// \return sockaddr_in ready to be used by socket functions

    ///

    ////////////////////////////////////////////////////////////

    static sockaddr_in CreateAddress(unsigned long address, unsigned short port);



    ////////////////////////////////////////////////////////////

    /// \brief Return the value of the invalid socket

    ///

    /// \return Special value of the invalid socket

    ///

    ////////////////////////////////////////////////////////////

    static SocketHandle InvalidSocket();



    ////////////////////////////////////////////////////////////

    /// \brief Close and destroy a socket

    ///

    /// \param sock Handle of the socket to close

    ///

    ////////////////////////////////////////////////////////////

    static void Close(SocketHandle sock);



    ////////////////////////////////////////////////////////////

    /// \brief Set a socket as blocking or non-blocking

    ///

    /// \param sock  Handle of the socket

    /// \param block New blocking state of the socket

    ///

    ////////////////////////////////////////////////////////////

    static void SetBlocking(SocketHandle sock, bool block);



    ////////////////////////////////////////////////////////////

    /// Get the last socket error status

    ///

    /// \return Status corresponding to the last socket error

    ///

    ////////////////////////////////////////////////////////////

    static Socket::Status GetErrorStatus();

};



} // namespace priv



} // namespace sf





#endif // SFML_SOCKETIMPL_HPP