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102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
// Copyright (C) 2016 Kurt Pattyn <pattyn.kurt@gmail.com>.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#ifndef QWEBSOCKETFRAME_P_H
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#define QWEBSOCKETFRAME_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/QString>
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#include <QtCore/QByteArray>
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#include <QtCore/QCoreApplication>
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#include <limits>
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#include "qwebsockets_global.h"
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#include "qwebsocketprotocol.h"
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#include "qwebsocketprotocol_p.h"
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QT_BEGIN_NAMESPACE
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class QIODevice;
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const quint64 MAX_FRAME_SIZE_IN_BYTES = std::numeric_limits<int>::max() - 1;
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class Q_AUTOTEST_EXPORT QWebSocketFrame
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{
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Q_DECLARE_TR_FUNCTIONS(QWebSocketFrame)
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public:
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QWebSocketFrame() = default;
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void setMaxAllowedFrameSize(quint64 maxAllowedFrameSize);
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quint64 maxAllowedFrameSize() const;
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static quint64 maxFrameSize();
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QWebSocketProtocol::CloseCode closeCode() const;
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QString closeReason() const;
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bool isFinalFrame() const;
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bool isControlFrame() const;
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bool isDataFrame() const;
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bool isContinuationFrame() const;
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bool hasMask() const;
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quint32 mask() const; //returns 0 if no mask
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inline bool rsv1() const { return m_rsv1; }
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inline bool rsv2() const { return m_rsv2; }
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inline bool rsv3() const { return m_rsv3; }
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QWebSocketProtocol::OpCode opCode() const;
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QByteArray payload() const;
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void clear();
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bool isValid() const;
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bool isDone() const;
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void readFrame(QIODevice *pIoDevice);
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private:
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QString m_closeReason;
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QByteArray m_payload;
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quint64 m_length = 0;
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quint32 m_mask = 0;
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QWebSocketProtocol::CloseCode m_closeCode = QWebSocketProtocol::CloseCodeNormal;
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QWebSocketProtocol::OpCode m_opCode = QWebSocketProtocol::OpCodeReservedC;
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enum ProcessingState
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{
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PS_READ_HEADER,
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PS_READ_PAYLOAD_LENGTH,
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PS_READ_MASK,
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PS_READ_PAYLOAD,
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PS_DISPATCH_RESULT,
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PS_WAIT_FOR_MORE_DATA
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} m_processingState = PS_READ_HEADER;
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bool m_isFinalFrame = true;
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bool m_rsv1 = false;
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bool m_rsv2 = false;
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bool m_rsv3 = false;
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bool m_isValid = false;
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quint64 m_maxAllowedFrameSize = MAX_FRAME_SIZE_IN_BYTES;
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ProcessingState readFrameHeader(QIODevice *pIoDevice);
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ProcessingState readFramePayloadLength(QIODevice *pIoDevice);
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ProcessingState readFrameMask(QIODevice *pIoDevice);
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ProcessingState readFramePayload(QIODevice *pIoDevice);
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void setError(QWebSocketProtocol::CloseCode code, const QString &closeReason);
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bool checkValidity();
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};
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QT_END_NAMESPACE
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#endif // QWEBSOCKETFRAME_P_H
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