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// Copyright (C) 2016 Kurt Pattyn <pattyn.kurt@gmail.com>.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QWEBSOCKETDATAPROCESSOR_P_H
#define QWEBSOCKETDATAPROCESSOR_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/QObject>
#include <QtCore/QByteArray>
#include <QtCore/QString>
#include <QtCore/QStringDecoder>
#include <QtCore/QTimer>
#include "qwebsocketframe_p.h"
#include "qwebsocketprotocol.h"
#include "qwebsocketprotocol_p.h"
QT_BEGIN_NAMESPACE
class QIODevice;
class QWebSocketFrame;
const quint64 MAX_MESSAGE_SIZE_IN_BYTES = std::numeric_limits<int>::max() - 1;
class Q_AUTOTEST_EXPORT QWebSocketDataProcessor : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(QWebSocketDataProcessor)
public:
explicit QWebSocketDataProcessor(QObject *parent = nullptr);
~QWebSocketDataProcessor() override;
void setMaxAllowedFrameSize(quint64 maxAllowedFrameSize);
quint64 maxAllowedFrameSize() const;
void setMaxAllowedMessageSize(quint64 maxAllowedMessageSize);
quint64 maxAllowedMessageSize() const;
static quint64 maxMessageSize();
static quint64 maxFrameSize();
Q_SIGNALS:
void pingReceived(const QByteArray &data);
void pongReceived(const QByteArray &data);
void closeReceived(QWebSocketProtocol::CloseCode closeCode, const QString &closeReason);
void textFrameReceived(const QString &frame, bool lastFrame);
void binaryFrameReceived(const QByteArray &frame, bool lastFrame);
void textMessageReceived(const QString &message);
void binaryMessageReceived(const QByteArray &message);
void errorEncountered(QWebSocketProtocol::CloseCode code, const QString &description);
public Q_SLOTS:
bool process(QIODevice *pIoDevice);
void clear();
private:
enum
{
PS_READ_HEADER,
PS_READ_PAYLOAD_LENGTH,
PS_READ_BIG_PAYLOAD_LENGTH,
PS_READ_MASK,
PS_READ_PAYLOAD,
PS_DISPATCH_RESULT
} m_processingState;
bool m_isFinalFrame;
bool m_isFragmented;
QWebSocketProtocol::OpCode m_opCode;
bool m_isControlFrame;
bool m_hasMask;
quint32 m_mask;
QByteArray m_binaryMessage;
QString m_textMessage;
quint64 m_payloadLength;
QStringDecoder m_decoder;
QWebSocketFrame frame;
QTimer *m_waitTimer;
quint64 m_maxAllowedMessageSize = MAX_MESSAGE_SIZE_IN_BYTES;
bool processControlFrame(const QWebSocketFrame &frame);
void timeout();
};
QT_END_NAMESPACE
#endif // QWEBSOCKETDATAPROCESSOR_P_H
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