Add sfml network library. Hopefully this will make net-related coding a breeze :)

Note that as it is not used by anything yet, it has not yet been added as a dependency for any projects

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3184 8ced0084-cf51-0410-be5f-012b33b47a6e

Externals/SFML/include/SFML/Network/Selector.hpp

@@ -0,0 +1,116 @@
+////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2008 Laurent Gomila ([email protected])
+//
+// 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_SELECTOR_HPP
+#define SFML_SELECTOR_HPP
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <SFML/Network/SocketUDP.hpp>
+#include <SFML/Network/SocketTCP.hpp>
+#include <SFML/Network/SelectorBase.hpp>
+#include <map>
+
+
+namespace sf
+{
+////////////////////////////////////////////////////////////
+/// Selector allow reading from multiple sockets
+/// without blocking. It's a kind of multiplexer
+////////////////////////////////////////////////////////////
+template <typename Type>
+class Selector : private SelectorBase
+{
+public :
+
+    ////////////////////////////////////////////////////////////
+    /// Add a socket to watch
+    ///
+    /// \param Socket : Socket to add
+    ///
+    ////////////////////////////////////////////////////////////
+    void Add(Type Socket);
+
+    ////////////////////////////////////////////////////////////
+    /// Remove a socket
+    ///
+    /// \param Socket : Socket to remove
+    ///
+    ////////////////////////////////////////////////////////////
+    void Remove(Type Socket);
+
+    ////////////////////////////////////////////////////////////
+    /// Remove all sockets
+    ///
+    ////////////////////////////////////////////////////////////
+    void Clear();
+
+    ////////////////////////////////////////////////////////////
+    /// Wait and collect sockets which are ready for reading.
+    /// This functions will return either when at least one socket
+    /// is ready, or when the given time is out
+    ///
+    /// \param Timeout : Timeout, in seconds (0 by default : no timeout)
+    ///
+    /// \return Number of sockets ready to be read
+    ///
+    ////////////////////////////////////////////////////////////
+    unsigned int Wait(float Timeout = 0.f);
+
+    ////////////////////////////////////////////////////////////
+    /// After a call to Wait(), get the Index-th socket which is
+    /// ready for reading. The total number of sockets ready
+    /// is the integer returned by the previous call to Wait()
+    ///
+    /// \param Index : Index of the socket to get
+    ///
+    /// \return The Index-th socket
+    ///
+    ////////////////////////////////////////////////////////////
+    Type GetSocketReady(unsigned int Index);
+
+private :
+
+    ////////////////////////////////////////////////////////////
+    // Types
+    ////////////////////////////////////////////////////////////
+    typedef std::map<SocketHelper::SocketType, Type> SocketTable;
+
+    ////////////////////////////////////////////////////////////
+    // Member data
+    ////////////////////////////////////////////////////////////
+    SocketTable mySockets; ///< Table matching the SFML socket instances with their low-level handles
+};
+
+#include <SFML/Network/Selector.inl>
+
+// Let's define the two only valid types of Selector
+typedef Selector<SocketUDP> SelectorUDP;
+typedef Selector<SocketTCP> SelectorTCP;
+
+} // namespace sf
+
+
+#endif // SFML_SELECTOR_HPP