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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative 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 QPACKETPROTOCOL_H
#define QPACKETPROTOCOL_H
#include <QtCore/qobject.h>
#include <QtCore/qdatastream.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QIODevice;
class QBuffer;
class QPacket;
class QPacketAutoSend;
class QPacketProtocolPrivate;
class Q_DECLARATIVE_EXPORT QPacketProtocol : public QObject
{
Q_OBJECT
public:
explicit QPacketProtocol(QIODevice * dev, QObject * parent = 0);
virtual ~QPacketProtocol();
qint32 maximumPacketSize() const;
qint32 setMaximumPacketSize(qint32);
QPacketAutoSend send();
void send(const QPacket &);
qint64 packetsAvailable() const;
QPacket read();
void clear();
QIODevice * device();
Q_SIGNALS:
void readyRead();
void invalidPacket();
void packetWritten();
private:
QPacketProtocolPrivate * d;
};
class Q_DECLARATIVE_EXPORT QPacket : public QDataStream
{
public:
QPacket();
QPacket(const QPacket &);
virtual ~QPacket();
void clear();
bool isEmpty() const;
protected:
friend class QPacketProtocol;
QPacket(const QByteArray & ba);
QByteArray b;
QBuffer * buf;
};
class Q_DECLARATIVE_EXPORT QPacketAutoSend : public QPacket
{
public:
virtual ~QPacketAutoSend();
private:
friend class QPacketProtocol;
QPacketAutoSend(QPacketProtocol *);
QPacketProtocol * p;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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