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/****************************************************************************
**
** Copyright (C) 2016 Kurt Pattyn <pattyn.kurt@gmail.com>.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebSockets 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWEBSOCKETFRAME_P_H
#define QWEBSOCKETFRAME_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/QString>
#include <QtCore/QByteArray>
#include <QtCore/QCoreApplication>
#include <limits.h>
#include "qwebsockets_global.h"
#include "qwebsocketprotocol.h"
#include "qwebsocketprotocol_p.h"
QT_BEGIN_NAMESPACE
class QIODevice;
const quint64 MAX_FRAME_SIZE_IN_BYTES = INT_MAX - 1;
const quint64 MAX_MESSAGE_SIZE_IN_BYTES = INT_MAX - 1;
class Q_AUTOTEST_EXPORT QWebSocketFrame
{
Q_DECLARE_TR_FUNCTIONS(QWebSocketFrame)
public:
QWebSocketFrame();
QWebSocketFrame(const QWebSocketFrame &other);
QWebSocketFrame &operator =(const QWebSocketFrame &other);
#ifdef Q_COMPILER_RVALUE_REFS
QWebSocketFrame(QWebSocketFrame &&other);
QWebSocketFrame &operator =(QWebSocketFrame &&other);
#endif
void swap(QWebSocketFrame &other);
QWebSocketProtocol::CloseCode closeCode() const;
QString closeReason() const;
bool isFinalFrame() const;
bool isControlFrame() const;
bool isDataFrame() const;
bool isContinuationFrame() const;
bool hasMask() const;
quint32 mask() const; //returns 0 if no mask
inline bool rsv1() const { return m_rsv1; }
inline bool rsv2() const { return m_rsv2; }
inline bool rsv3() const { return m_rsv3; }
QWebSocketProtocol::OpCode opCode() const;
QByteArray payload() const;
void clear();
bool isValid() const;
static QWebSocketFrame readFrame(QIODevice *pIoDevice);
private:
QWebSocketProtocol::CloseCode m_closeCode;
QString m_closeReason;
quint32 m_mask;
QWebSocketProtocol::OpCode m_opCode;
quint8 m_length;
QByteArray m_payload;
bool m_isFinalFrame;
bool m_rsv1;
bool m_rsv2;
bool m_rsv3;
bool m_isValid;
enum ProcessingState
{
PS_READ_HEADER,
PS_READ_PAYLOAD_LENGTH,
PS_READ_BIG_PAYLOAD_LENGTH,
PS_READ_MASK,
PS_READ_PAYLOAD,
PS_DISPATCH_RESULT,
PS_WAIT_FOR_MORE_DATA
};
void setError(QWebSocketProtocol::CloseCode code, const QString &closeReason);
bool checkValidity();
};
QT_END_NAMESPACE
#endif // QWEBSOCKETFRAME_P_H
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