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/****************************************************************************
**
** Copyright (C) 2021 basysKom GmbH, opensource@basyskom.com
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtOpcUa module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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.LGPLv3 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.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 later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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.
//
#ifndef QOPCUAHISTORYREADRESPONSEIMPL_H
#define QOPCUAHISTORYREADRESPONSEIMPL_H
#include <QtOpcUa/qopcuahistoryreadresponse.h>
#include <QtOpcUa/qopcuahistoryreadrawrequest.h>
#include <private/qobject_p.h>
#include <QObject>
QT_BEGIN_NAMESPACE
class Q_OPCUA_EXPORT QOpcUaHistoryReadResponseImpl : public QObject {
Q_OBJECT
public:
QOpcUaHistoryReadResponseImpl(const QOpcUaHistoryReadRawRequest &request);
~QOpcUaHistoryReadResponseImpl();
bool hasMoreData() const;
bool readMoreData();
QOpcUaHistoryReadResponse::State state() const;
bool releaseContinuationPoints();
QList<QOpcUaHistoryData> data() const;
QOpcUa::UaStatusCode serviceResult() const;
Q_INVOKABLE void handleDataAvailable(const QList<QOpcUaHistoryData> &data, const QList<QByteArray> &continuationPoints,
QOpcUa::UaStatusCode serviceResult, quint64 responseHandle);
Q_INVOKABLE void handleRequestError(quint64 requestHandle);
quint64 handle() const;
Q_SIGNALS:
void historyReadRawRequested(QOpcUaHistoryReadRawRequest request, QList<QByteArray> continuationPoints, bool releaseContinuationPoints, quint64 handle);
void readHistoryDataFinished(QList<QOpcUaHistoryData> results, QOpcUa::UaStatusCode serviceResult);
void stateChanged(QOpcUaHistoryReadResponse::State state);
protected:
void setState(QOpcUaHistoryReadResponse::State state);
private:
enum class RequestType {
Unknown,
ReadRaw
};
QOpcUaHistoryReadResponse::State m_state = QOpcUaHistoryReadResponse::State::Reading;
QList<QByteArray> m_continuationPoints;
RequestType m_requestType = RequestType::Unknown;
QOpcUaHistoryReadRawRequest m_readRawRequest;
QList<QOpcUaHistoryData> m_data;
QOpcUa::UaStatusCode m_serviceResult = QOpcUa::UaStatusCode::Good;
QList<int> m_dataMapping;
static quint64 m_currentHandle;
quint64 m_handle = 0;
};
QT_END_NAMESPACE
#endif // QOPCUAHISTORYREADRESPONSEIMPL_H
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