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142 lines
6.0 KiB
C
142 lines
6.0 KiB
C
////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_SOCKETSELECTOR_H
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#define SFML_SOCKETSELECTOR_H
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Network/Export.h>
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#include <SFML/Network/Types.h>
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#include <SFML/System/Time.h>
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////////////////////////////////////////////////////////////
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/// \brief Create a new selector
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///
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/// \return A new sfSocketSelector object
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///
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////////////////////////////////////////////////////////////
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CSFML_NETWORK_API sfSocketSelector* sfSocketSelector_create(void);
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////////////////////////////////////////////////////////////
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/// \brief Create a new socket selector by copying an existing one
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///
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/// \param selector Socket selector to copy
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///
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/// \return A new sfSocketSelector object which is a copy of \a selector
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///
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////////////////////////////////////////////////////////////
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CSFML_NETWORK_API sfSocketSelector* sfSocketSelector_copy(const sfSocketSelector* selector);
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////////////////////////////////////////////////////////////
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/// \brief Destroy a socket selector
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///
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/// \param selector Socket selector to destroy
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///
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////////////////////////////////////////////////////////////
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CSFML_NETWORK_API void sfSocketSelector_destroy(sfSocketSelector* selector);
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////////////////////////////////////////////////////////////
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/// \brief Add a new socket to a socket selector
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///
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/// This function keeps a weak pointer to the socket,
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/// so you have to make sure that the socket is not destroyed
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/// while it is stored in the selector.
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///
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/// \param selector Socket selector object
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/// \param socket Pointer to the socket to add
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///
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////////////////////////////////////////////////////////////
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CSFML_NETWORK_API void sfSocketSelector_addTcpListener(sfSocketSelector* selector, sfTcpListener* socket);
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CSFML_NETWORK_API void sfSocketSelector_addTcpSocket(sfSocketSelector* selector, sfTcpSocket* socket);
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CSFML_NETWORK_API void sfSocketSelector_addUdpSocket(sfSocketSelector* selector, sfUdpSocket* socket);
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////////////////////////////////////////////////////////////
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/// \brief Remove a socket from a socket selector
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///
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/// This function doesn't destroy the socket, it simply
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/// removes the pointer that the selector has to it.
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///
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/// \param selector Socket selector object
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/// \param socket POointer to the socket to remove
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///
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////////////////////////////////////////////////////////////
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CSFML_NETWORK_API void sfSocketSelector_removeTcpListener(sfSocketSelector* selector, sfTcpListener* socket);
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CSFML_NETWORK_API void sfSocketSelector_removeTcpSocket(sfSocketSelector* selector, sfTcpSocket* socket);
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CSFML_NETWORK_API void sfSocketSelector_removeUdpSocket(sfSocketSelector* selector, sfUdpSocket* socket);
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////////////////////////////////////////////////////////////
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/// \brief Remove all the sockets stored in a selector
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///
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/// This function doesn't destroy any instance, it simply
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/// removes all the pointers that the selector has to
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/// external sockets.
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///
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/// \param selector Socket selector object
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///
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////////////////////////////////////////////////////////////
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CSFML_NETWORK_API void sfSocketSelector_clear(sfSocketSelector* selector);
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////////////////////////////////////////////////////////////
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/// \brief Wait until one or more sockets are ready to receive
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///
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/// This function returns as soon as at least one socket has
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/// some data available to be received. To know which sockets are
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/// ready, use the sfSocketSelector_isXxxReady functions.
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/// If you use a timeout and no socket is ready before the timeout
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/// is over, the function returns sfFalse.
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///
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/// \param selector Socket selector object
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/// \param timeout Maximum time to wait (use sfTimeZero for infinity)
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///
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/// \return sfTrue if there are sockets ready, sfFalse otherwise
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///
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////////////////////////////////////////////////////////////
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CSFML_NETWORK_API sfBool sfSocketSelector_wait(sfSocketSelector* selector, sfTime timeout);
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////////////////////////////////////////////////////////////
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/// \brief Test a socket to know if it is ready to receive data
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///
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/// This function must be used after a call to
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/// sfSocketSelector_wait, to know which sockets are ready to
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/// receive data. If a socket is ready, a call to Receive will
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/// never block because we know that there is data available to read.
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/// Note that if this function returns sfTrue for a sfTcpListener,
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/// this means that it is ready to accept a new connection.
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///
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/// \param selector Socket selector object
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/// \param socket Socket to test
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///
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/// \return sfTrue if the socket is ready to read, sfFalse otherwise
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///
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////////////////////////////////////////////////////////////
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CSFML_NETWORK_API sfBool sfSocketSelector_isTcpListenerReady(const sfSocketSelector* selector, sfTcpListener* socket);
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CSFML_NETWORK_API sfBool sfSocketSelector_isTcpSocketReady(const sfSocketSelector* selector, sfTcpSocket* socket);
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CSFML_NETWORK_API sfBool sfSocketSelector_isUdpSocketReady(const sfSocketSelector* selector, sfUdpSocket* socket);
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#endif // SFML_SOCKETSELECTOR_H
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