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**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the Qt3Support module of the Qt Toolkit.
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** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
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****************************************************************************/
#ifndef Q3SOCKET_H
#define Q3SOCKET_H
#include <QtCore/qiodevice.h>
#include <QtNetwork/qhostaddress.h> // int->QHostAddress conversion
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3Support)
class Q3SocketPrivate;
class Q3SocketDevice;
class Q_COMPAT_EXPORT Q3Socket : public QIODevice
{
Q_OBJECT
public:
enum Error {
ErrConnectionRefused,
ErrHostNotFound,
ErrSocketRead
};
Q3Socket( QObject *parent=0, const char *name=0 );
virtual ~Q3Socket();
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 );
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;
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_NAMESPACE
QT_END_HEADER
#endif // Q3SOCKET_H
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