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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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 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>
QT_BEGIN_NAMESPACE
class QIODevice;
class QBuffer;
QT_END_NAMESPACE
class QPacket;
class QPacketAutoSend;
class QPacketProtocolPrivate;
class 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 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 QPacketAutoSend : public QPacket
{
public:
virtual ~QPacketAutoSend();
private:
friend class QPacketProtocol;
QPacketAutoSend(QPacketProtocol *);
QPacketProtocol *p;
};
#endif
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