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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qsocket.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of QSocket class. +** +** Created : 970521 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the network module of the Qt 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 Qt 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.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef QSOCKET_H +#define QSOCKET_H + +#ifndef QT_H +#include "qobject.h" +#include "qiodevice.h" +#include "qhostaddress.h" // int->QHostAddress conversion +#endif // QT_H + +#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 + +#ifndef QT_NO_NETWORK +class QSocketPrivate; +class QSocketDevice; + + +class QM_EXPORT_NETWORK QSocket : public QObject, public QIODevice +{ + Q_OBJECT +public: + enum Error { + ErrConnectionRefused, + ErrHostNotFound, + ErrSocketRead + }; + + QSocket( QObject *parent=0, const char *name=0 ); + virtual ~QSocket(); + + enum State { Idle, HostLookup, Connecting, + Connected, Closing, + Connection=Connected }; + State state() const; + + int socket() const; + virtual void setSocket( int ); + + QSocketDevice *socketDevice(); + virtual void setSocketDevice( QSocketDevice * ); + +#ifndef QT_NO_DNS + virtual void connectToHost( const QString &host, Q_UINT16 port ); +#endif + QString peerName() const; + + // Implementation of QIODevice abstract virtual functions + bool open( int mode ); + void close(); + void flush(); + Offset size() const; + Offset at() const; + bool at( Offset ); + bool atEnd() const; + + Q_ULONG bytesAvailable() const; // ### QIODevice::Offset instead? + Q_ULONG waitForMore( int msecs, bool *timeout ) const; + Q_ULONG waitForMore( int msecs ) const; // ### Qt 4.0: merge the two overloads + Q_ULONG bytesToWrite() const; + void clearPendingData(); + + Q_LONG readBlock( char *data, Q_ULONG maxlen ); + Q_LONG writeBlock( const char *data, Q_ULONG len ); + Q_LONG readLine( char *data, Q_ULONG maxlen ); + + int getch(); + int putch( int ); + int ungetch(int); + + bool canReadLine() const; + virtual QString readLine(); + + Q_UINT16 port() const; + Q_UINT16 peerPort() const; + QHostAddress address() const; + QHostAddress peerAddress() const; + + void setReadBufferSize( Q_ULONG ); + Q_ULONG readBufferSize() const; + +signals: + void hostFound(); + void connected(); + void connectionClosed(); + void delayedCloseFinished(); + void readyRead(); + void bytesWritten( int nbytes ); + void error( int ); + +protected slots: + virtual void sn_read( bool force=FALSE ); + virtual void sn_write(); + +private slots: + void tryConnecting(); + void emitErrorConnectionRefused(); + +private: + QSocketPrivate *d; + + bool consumeWriteBuf( Q_ULONG nbytes ); + void tryConnection(); + void setSocketIntern( int socket ); + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + QSocket( const QSocket & ); + QSocket &operator=( const QSocket & ); +#endif +}; + +#endif //QT_NO_NETWORK +#endif // QSOCKET_H +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |