Logo Search packages:      
Sourcecode: qt4-x11 version File versions  Download package

q3socket.h

/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt3Support module of the Qt 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 files LICENSE.GPL2 and LICENSE.GPL3
** 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. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.1, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** 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.
**
** In addition, as a special exception, Trolltech, as the sole
** copyright holder for Qt Designer, grants users of the Qt/Eclipse
** Integration plug-in the right for the Qt/Eclipse Integration to
** link to functionality provided by Qt Designer and its related
** libraries.
**
** 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 expressly
** granted herein.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef Q3SOCKET_H
#define Q3SOCKET_H

#include <QtCore/qiodevice.h>
#include <QtNetwork/qhostaddress.h> // int->QHostAddress conversion

QT_BEGIN_HEADER

QT_MODULE(Qt3Support)

class Q3SocketPrivate;
class Q3SocketDevice;

00057 class Q_COMPAT_EXPORT Q3Socket : public QIODevice
{
    Q_OBJECT
public:
00061     enum Error {
      ErrConnectionRefused,
      ErrHostNotFound,
      ErrSocketRead
    };

    Q3Socket( QObject *parent=0, const char *name=0 );
    virtual ~Q3Socket();

00070     enum State { Idle, HostLookup, Connecting,
             Connected, Closing,
             Connection=Connected };
    State    state() const;

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

    Q3SocketDevice *socketDevice();
    virtual void setSocketDevice( Q3SocketDevice * );

#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( OpenMode mode );
00088     bool      open(int mode) { return open((OpenMode)mode); }
    void     close();
    bool     flush();
    Offset   size() const;
    Offset   at() const;
    bool     at( Offset );
    bool     atEnd() const;

    qint64   bytesAvailable() const;
    Q_ULONG  waitForMore( int msecs, bool *timeout  ) const;
    Q_ULONG  waitForMore( int msecs ) const; // ### Qt 4.0: merge the two overloads
    qint64   bytesToWrite() const;
    void     clearPendingData();

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

    bool     canReadLine() const;

    Q_UINT16       port() const;
    Q_UINT16       peerPort() const;
    QHostAddress address() const;
    QHostAddress peerAddress() const;

    void     setReadBufferSize( Q_ULONG );
    Q_ULONG  readBufferSize() const;

00116     inline bool  isSequential() const { return true; }

Q_SIGNALS:
    void     hostFound();
    void     connected();
    void     connectionClosed();
    void     delayedCloseFinished();
    void     readyRead();
    void     bytesWritten( int nbytes );
    void     error( int );

protected Q_SLOTS:
    virtual void sn_read( bool force=false );
    virtual void sn_write();

protected:
    qint64 readData(char *data, qint64 maxlen);
    qint64 writeData(const char *data, qint64 len);

private Q_SLOTS:
    void    tryConnecting();
    void    emitErrorConnectionRefused();

private:
    Q3SocketPrivate *d;

    bool     consumeWriteBuf( Q_ULONG nbytes );
    void     tryConnection();
    void         setSocketIntern( int socket );

private:    // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    Q3Socket( const Q3Socket & );
    Q3Socket &operator=( const Q3Socket & );
#endif
};

QT_END_HEADER

#endif // Q3SOCKET_H

Generated by  Doxygen 1.6.0   Back to index