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- /****************************************************************************
- ** $Id$
- **
- ** Definition of QSocket class.
- **
- ** Created : 970521
- **
- ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
- **
- ** This file is part of the network module of the Qt GUI Toolkit.
- **
- ** This file may be distributed under the terms of the Q Public License
- ** as defined by Trolltech AS of Norway and appearing in the file
- ** LICENSE.QPL included in the packaging of this file.
- **
- ** This file may be distributed and/or modified under the terms of the
- ** GNU General Public License version 2 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL included in the
- ** packaging of this file.
- **
- ** Licensees holding valid Qt Enterprise Edition 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
- ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- **
- ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
- ** information about Qt Commercial License Agreements.
- ** See http://www.trolltech.com/qpl/ for QPL licensing information.
- ** See http://www.trolltech.com/gpl/ for GPL licensing information.
- **
- ** Contact info@trolltech.com if any conditions of this licensing are
- ** not clear to you.
- **
- **********************************************************************/
-
- #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;
- Q_ULONG waitForMore( int msecs ) const;
- Q_ULONG bytesToWrite() const;
-
- 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;
-
- 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 consumeReadBuf( Q_ULONG nbytes, char * );
- bool consumeWriteBuf( Q_ULONG nbytes );
- bool scanNewline( QByteArray * = 0 );
- 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
-