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

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/****************************************************************************
** $Id:  qt/qserversocket.h   3.0.5   edited Oct 12 2001 $
**
** Definition of QServerSocketClass.
**
** Created : 970521
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the network module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition licenses may use this
** file in accordance with the Qt Commercial License Agreement provided
** with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef QSERVERSOCKET_H
#define QSERVERSOCKET_H

#ifndef QT_H
#include "qobject.h"
#include "qhostaddress.h"
#include "qsocketdevice.h" // ### remove or keep for users' convenience?
#endif // QT_H
#ifndef QT_NO_NETWORK

#if !defined( QT_MODULE_NETWORK ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_NETWORK )
#define QM_EXPORT_NETWORK
#else
#define QM_EXPORT_NETWORK Q_EXPORT
#endif

class QServerSocketPrivate;


class QM_EXPORT_NETWORK QServerSocket : public QObject
{
    Q_OBJECT
public:
    QServerSocket( Q_UINT16 port, int backlog = 1,
		   QObject *parent=0, const char *name=0 );
    QServerSocket( const QHostAddress & address, Q_UINT16 port, int backlog = 1,
		   QObject *parent=0, const char *name=0 );
    QServerSocket( QObject *parent=0, const char *name=0 );
    virtual ~QServerSocket();

    bool ok() const;

    Q_UINT16 port() const ;

    int socket() const ;
    virtual void setSocket( int socket );

    QHostAddress address() const ;

    virtual void newConnection( int socket ) = 0;

protected:
    QSocketDevice *socketDevice();

private slots:
    void incomingConnection( int socket );

private:
    QServerSocketPrivate *d;
    void init( const QHostAddress & address, Q_UINT16 port, int backlog );
};

#endif // QT_NO_NETWORK
#endif // QSERVERSOCKET_H