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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3SOCKETDEVICE_H
#define Q3SOCKETDEVICE_H
#include <QtCore/qiodevice.h>
#include <QtNetwork/qhostaddress.h> // int->QHostAddress conversion
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3Support)
#ifndef QT_NO_NETWORK
class Q3SocketDevicePrivate;
class Q_COMPAT_EXPORT Q3SocketDevice: public QIODevice
{
public:
enum Type { Stream, Datagram };
enum Protocol { IPv4, IPv6, Unknown };
Q3SocketDevice( Type type = Stream );
Q3SocketDevice( Type type, Protocol protocol, int dummy );
Q3SocketDevice( int socket, Type type );
virtual ~Q3SocketDevice();
bool isValid() const;
Type type() const;
Protocol protocol() const;
int socket() const;
virtual void setSocket( int socket, Type type );
bool open( OpenMode mode );
bool open( int mode ) { return open((OpenMode)mode); }
void close();
bool 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();
qint64 bytesAvailable() const;
Q_LONG waitForMore( int msecs, bool *timeout=0 ) const;
virtual Q_LONG writeBlock( const char *data, Q_ULONG len,
const QHostAddress & host, Q_UINT16 port );
inline Q_LONG writeBlock(const char *data, Q_ULONG len)
{ return qint64(write(data, qint64(len))); }
inline qint64 readBlock(char *data, Q_ULONG maxlen)
{ return qint64(read(data, qint64(maxlen))); }
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;
inline bool isSequential() const { return true; }
protected:
void setError( Error err );
qint64 readData(char *data, qint64 maxlen);
qint64 writeData(const char *data, qint64 len);
private:
int fd;
Type t;
Q_UINT16 p;
QHostAddress a;
Q_UINT16 pp;
QHostAddress pa;
Q3SocketDevice::Error e;
Q3SocketDevicePrivate * d;
enum Option { Broadcast, ReceiveBuffer, ReuseAddress, SendBuffer };
int option( Option ) const;
virtual void setOption( Option, int );
void fetchConnectionParameters();
#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
void fetchPeerConnectionParameters();
#endif
static void init();
int createNewSocket();
Protocol getProtocol() const;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
Q3SocketDevice( const Q3SocketDevice & );
Q3SocketDevice &operator=( const Q3SocketDevice & );
#endif
};
#endif // QT_NO_NETWORK
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q3SOCKETDEVICE_H
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