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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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 and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPACKETPROTOCOL_H
#define QPACKETPROTOCOL_H
#include <QtCore/qobject.h>
#include <QtCore/qdatastream.h>
#include <private/qdeclarativeglobal_p.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();
bool waitForReadyRead(int msecs = 3000);
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;
QByteArray data() const;
protected:
friend class QPacketProtocol;
QPacket(const QByteArray & ba);
QByteArray b;
QBuffer * buf;
};
class Q_DECLARATIVE_PRIVATE_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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