110 lines
2.9 KiB
C++
110 lines
2.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtQml module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPACKETPROTOCOL_H
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#define QPACKETPROTOCOL_H
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#include <QtCore/qobject.h>
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#include <QtCore/qdatastream.h>
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QT_BEGIN_NAMESPACE
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class QIODevice;
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class QBuffer;
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QT_END_NAMESPACE
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class QPacket;
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class QPacketAutoSend;
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class QPacketProtocolPrivate;
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class QPacketProtocol : public QObject
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{
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Q_OBJECT
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public:
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explicit QPacketProtocol(QIODevice *dev, QObject *parent = 0);
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virtual ~QPacketProtocol();
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qint32 maximumPacketSize() const;
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qint32 setMaximumPacketSize(qint32);
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QPacketAutoSend send();
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void send(const QPacket &);
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qint64 packetsAvailable() const;
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QPacket read();
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bool waitForReadyRead(int msecs = 3000);
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void clear();
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QIODevice *device();
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Q_SIGNALS:
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void readyRead();
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void invalidPacket();
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void packetWritten();
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private:
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QPacketProtocolPrivate *d;
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};
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class QPacket : public QDataStream
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{
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public:
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QPacket();
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QPacket(const QPacket &);
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virtual ~QPacket();
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void clear();
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bool isEmpty() const;
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QByteArray data() const;
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protected:
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friend class QPacketProtocol;
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QPacket(const QByteArray &ba);
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QByteArray b;
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QBuffer *buf;
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};
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class QPacketAutoSend : public QPacket
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{
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public:
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virtual ~QPacketAutoSend();
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private:
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friend class QPacketProtocol;
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QPacketAutoSend(QPacketProtocol *);
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QPacketProtocol *p;
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};
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#endif
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