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/******************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtOpcUa module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#ifndef QUACPPSUBSCRIPTION_H
#define QUACPPSUBSCRIPTION_H
#include <quacppbackend.h>
#include <uabase/uanodeid.h>
#include <uaclient/uasubscription.h>
QT_BEGIN_NAMESPACE
class QUACppSubscription : public UaClientSdk::UaSubscriptionCallback
{
public:
QUACppSubscription(UACppAsyncBackend *backend, const QOpcUaMonitoringParameters &settings);
~QUACppSubscription();
quint32 createOnServer();
bool removeOnServer();
bool addAttributeMonitoredItem(quint64 handle, QOpcUa::NodeAttribute attr, const UaNodeId &id, QOpcUaMonitoringParameters parameters);
void modifyMonitoring(quint64 handle, QOpcUa::NodeAttribute attr, QOpcUaMonitoringParameters::Parameter item, QVariant value);
bool removeAttributeMonitoredItem(quint64 handle, QOpcUa::NodeAttribute attr);
double interval() const;
quint32 subscriptionId() const;
int monitoredItemsCount() const;
QOpcUaMonitoringParameters::SubscriptionType shared() const;
// UaSubscription overrides
void subscriptionStatusChanged(OpcUa_UInt32 clientSubscriptionHandle, const UaStatus &status) override;
void dataChange(OpcUa_UInt32 clientSubscriptionHandle, const UaMonitoredItemNotifications &dataNotifications, const UaDiagnosticInfos &diagnosticInfos) override;
void newEvents(OpcUa_UInt32 clientSubscriptionHandle, UaEventFieldLists &eventFieldList) override;
private:
OpcUa_ExtensionObject createFilter(const QVariant &filterData);
void createDataChangeFilter(const QOpcUaMonitoringParameters::DataChangeFilter &filter, OpcUa_ExtensionObject *out);
void createEventFilter(const QOpcUaMonitoringParameters::EventFilter &filter, OpcUa_ExtensionObject *out);
QOpcUa::QEventFilterResult convertEventFilterResult(const OpcUa_ExtensionObject &obj);
bool modifySubscriptionParameters(quint64 handle, QOpcUa::NodeAttribute attr, const QOpcUaMonitoringParameters::Parameter &item, const QVariant &value);
bool modifyMonitoredItemParameters(quint64 handle, QOpcUa::NodeAttribute attr, const QOpcUaMonitoringParameters::Parameter &item, const QVariant &value);
UACppAsyncBackend *m_backend;
QOpcUaMonitoringParameters m_subscriptionParameters;
UaClientSdk::UaSubscription *m_nativeSubscription;
QHash<QPair<quint64, QOpcUa::NodeAttribute>,
QPair<OpcUa_MonitoredItemCreateResult, QOpcUaMonitoringParameters>> m_monitoredItems;
QHash<quint32, QPair<quint64, QOpcUa::NodeAttribute>> m_monitoredIds;
};
QT_END_NAMESPACE
#endif // QUACPPSUBSCRIPTION_H
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