src/qt3support/network/q3socket.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qt3support/network/q3socket.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,157 @@
+/****************************************************************************
+**
+** 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 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