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# ntqsocketdevice.h

This is the verbatim text of the ntqsocketdevice.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/ntqsocketdevice.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of TQSocketDevice class.
    **
    ** Created : 970521
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the network module of the TQt GUI Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free TQt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
    ** included in the packaging of this file.  Licensees holding valid TQt
    ** Commercial licenses may use this file in accordance with the TQt
    ** Commercial License Agreement provided with the Software.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #ifndef TQSOCKETDEVICE_H
    #define TQSOCKETDEVICE_H

    #ifndef QT_H
    #include "ntqiodevice.h"
    #include "ntqhostaddress.h" // int->TQHostAddress conversion
    #endif // QT_H

    #if !defined( TQT_MODULE_NETWORK ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_NETWORK )
    #define TQM_EXPORT_NETWORK
    #else
    #define TQM_EXPORT_NETWORK TQ_EXPORT
    #endif

    #ifndef TQT_NO_NETWORK
    class TQSocketDevicePrivate;

    class  TQM_EXPORT_NETWORK TQSocketDevice: public TQIODevice
    {
    public:
        enum Type { Stream, Datagram };
        enum Protocol { IPv4, IPv6, Unknown };

        TQSocketDevice( Type type = Stream );
        TQSocketDevice( Type type, Protocol protocol, int dummy );
        TQSocketDevice( int socket, Type type );
        virtual ~TQSocketDevice();

        bool	 isValid() const;
        Type	 type() const;
        Protocol	 protocol() const;

        int		 socket() const;
        virtual void setSocket( int socket, Type type );

        bool	 open( int mode );
        void	 close();
        void	 flush();

        // Implementation of TQIODevice abstract virtual functions
        Offset	 size() const;
        Offset	 at() const;
        bool	 at( Offset );
        bool	 atEnd() const;

        bool	 blocking() const;
        virtual void setBlocking( bool );

        bool	 addressReusable() const;
        virtual void setAddressReusable( bool );

        int		 receiveBufferSize() const;
        virtual void setReceiveBufferSize( uint );
        int		 sendBufferSize() const;
        virtual void setSendBufferSize( uint );

        virtual bool connect( const TQHostAddress &, TQ_UINT16 );

        virtual bool bind( const TQHostAddress &, TQ_UINT16 );
        virtual bool listen( int backlog );
        virtual int	 accept();

        TQ_LONG	 bytesAvailable() const;
        TQ_LONG	 waitForMore( int msecs, bool *timeout=0 ) const;
        TQ_LONG	 readBlock( char *data, TQ_ULONG maxlen );
        TQ_LONG	 writeBlock( const char *data, TQ_ULONG len );
        virtual TQ_LONG  writeBlock( const char *data, TQ_ULONG len,
    			    const TQHostAddress & host, TQ_UINT16 port );

        int		 getch();
        int		 putch( int );
        int		 ungetch(int);

        TQ_UINT16	 port() const;
        TQ_UINT16	 peerPort() const;
        TQHostAddress address() const;
        TQHostAddress peerAddress() const;

        enum Error {
    	NoError,
    	AlreadyBound,
    	Inaccessible,
    	NoResources,
    	InternalError,
    	Bug = InternalError, // ### remove in 4.0?
    	Impossible,
    	NoFiles,
    	ConnectionRefused,
    	NetworkFailure,
    	UnknownError
        };
        Error	 error() const;

    protected:
        void setError( Error err );

    private:
        int fd;
        Type t;
        TQ_UINT16 p;
        TQHostAddress a;
        TQ_UINT16 pp;
        TQHostAddress pa;
        TQSocketDevice::Error e;
        TQSocketDevicePrivate * d;

        enum Option { Broadcast, ReceiveBuffer, ReuseAddress, SendBuffer };

        int		 option( Option ) const;
        virtual void setOption( Option, int );

        void	 fetchConnectionParameters();
    #if defined(Q_OS_WIN32)
        void	 fetchPeerConnectionParameters();
    #endif

        static void  init();
        int		 createNewSocket();
        Protocol	 getProtocol() const;

    private:	// Disabled copy constructor and operator=
    #if defined(TQ_DISABLE_COPY)
        TQSocketDevice( const TQSocketDevice & );
        TQSocketDevice &operator=( const TQSocketDevice & );
    #endif
    };

    #endif // TQT_NO_NETWORK
    #endif // TQSOCKETDEVICE_H