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qt3/src/network/qsocketdevice.h

171 lines
4.9 KiB

/****************************************************************************
**
** Definition of QSocketDevice class.
**
** Created : 970521
**
** Copyright (C) 1992-2008 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 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.
**
** 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 QSOCKETDEVICE_H
#define QSOCKETDEVICE_H
#ifndef QT_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 QSocketDevicePrivate;
class QM_EXPORT_NETWORK QSocketDevice: public QIODevice
{
public:
enum Type { Stream, Datagram };
enum Protocol { IPv4, IPv6, Unknown };
QSocketDevice( Type type = Stream );
QSocketDevice( Type type, Protocol protocol, int dummy );
QSocketDevice( int socket, Type type );
virtual ~QSocketDevice();
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 QIODevice 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 QHostAddress &, Q_UINT16 );
virtual bool bind( const QHostAddress &, Q_UINT16 );
virtual bool listen( int backlog );
virtual int accept();
Q_LONG bytesAvailable() const;
Q_LONG waitForMore( int msecs, bool *timeout=0 ) const;
Q_LONG readBlock( char *data, Q_ULONG maxlen );
Q_LONG writeBlock( const char *data, Q_ULONG len );
virtual Q_LONG writeBlock( const char *data, Q_ULONG len,
const QHostAddress & host, Q_UINT16 port );
int getch();
int putch( int );
int ungetch(int);
Q_UINT16 port() const;
Q_UINT16 peerPort() const;
QHostAddress address() const;
QHostAddress 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;
Q_UINT16 p;
QHostAddress a;
Q_UINT16 pp;
QHostAddress pa;
QSocketDevice::Error e;
QSocketDevicePrivate * 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(Q_DISABLE_COPY)
QSocketDevice( const QSocketDevice & );
QSocketDevice &operator=( const QSocketDevice & );
#endif
};
#endif // QT_NO_NETWORK
#endif // QSOCKETDEVICE_H