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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt3Support module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef Q3SOCKET_H
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#define Q3SOCKET_H
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#include <QtCore/qiodevice.h>
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#include <QtNetwork/qhostaddress.h> // int->QHostAddress conversion
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Qt3Support)
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class Q3SocketPrivate;
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class Q3SocketDevice;
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class Q_COMPAT_EXPORT Q3Socket : public QIODevice
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{
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Q_OBJECT
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public:
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enum Error {
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ErrConnectionRefused,
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ErrHostNotFound,
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ErrSocketRead
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};
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Q3Socket( QObject *parent=0, const char *name=0 );
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virtual ~Q3Socket();
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enum State { Idle, HostLookup, Connecting,
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Connected, Closing,
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Connection=Connected };
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State state() const;
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int socket() const;
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virtual void setSocket( int );
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Q3SocketDevice *socketDevice();
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virtual void setSocketDevice( Q3SocketDevice * );
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#ifndef QT_NO_DNS
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virtual void connectToHost( const QString &host, Q_UINT16 port );
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#endif
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QString peerName() const;
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// Implementation of QIODevice abstract virtual functions
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bool open( OpenMode mode );
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bool open(int mode) { return open((OpenMode)mode); }
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void close();
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bool flush();
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Offset size() const;
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Offset at() const;
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bool at( Offset );
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bool atEnd() const;
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qint64 bytesAvailable() const;
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Q_ULONG waitForMore( int msecs, bool *timeout ) const;
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Q_ULONG waitForMore( int msecs ) const; // ### Qt 4.0: merge the two overloads
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qint64 bytesToWrite() const;
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void clearPendingData();
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int getch();
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int putch( int );
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int ungetch(int);
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bool canReadLine() const;
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Q_UINT16 port() const;
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Q_UINT16 peerPort() const;
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QHostAddress address() const;
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QHostAddress peerAddress() const;
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void setReadBufferSize( Q_ULONG );
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Q_ULONG readBufferSize() const;
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inline bool isSequential() const { return true; }
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Q_SIGNALS:
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void hostFound();
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void connected();
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void connectionClosed();
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void delayedCloseFinished();
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void readyRead();
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void bytesWritten( int nbytes );
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void error( int );
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protected Q_SLOTS:
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virtual void sn_read( bool force=false );
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virtual void sn_write();
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protected:
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qint64 readData(char *data, qint64 maxlen);
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qint64 writeData(const char *data, qint64 len);
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private Q_SLOTS:
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void tryConnecting();
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void emitErrorConnectionRefused();
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private:
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Q3SocketPrivate *d;
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bool consumeWriteBuf( Q_ULONG nbytes );
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void tryConnection();
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void setSocketIntern( int socket );
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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Q3Socket( const Q3Socket & );
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Q3Socket &operator=( const Q3Socket & );
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#endif
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // Q3SOCKET_H
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