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// Copyright (C) 2018 basysKom GmbH, opensource@basyskom.com
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef OPCUAMACHINEBACKEND_H
#define OPCUAMACHINEBACKEND_H
#include <QOpcUaClient>
#include <QOpcUaNode>
class OpcUaMachineBackend : public QObject
{
Q_OBJECT
public:
enum class MachineState : quint32 {
Idle,
Pumping,
Flushing
};
Q_ENUM(MachineState)
Q_PROPERTY(double percentFilledTank1 READ percentFilledTank1 NOTIFY percentFilledTank1Changed)
Q_PROPERTY(double percentFilledTank2 READ percentFilledTank2 NOTIFY percentFilledTank2Changed)
Q_PROPERTY(double tank2TargetPercent READ tank2TargetPercent NOTIFY tank2TargetPercentChanged)
Q_PROPERTY(OpcUaMachineBackend::MachineState machineState READ machineState NOTIFY machineStateChanged)
Q_PROPERTY(bool tank2ValveState READ tank2ValveState NOTIFY tank2ValveStateChanged)
Q_PROPERTY(bool connected READ connected NOTIFY connectedChanged)
Q_PROPERTY(QString machineDesignation READ machineDesignation NOTIFY machineDesignationChanged)
Q_PROPERTY(QString message READ message NOTIFY messageChanged)
Q_PROPERTY(QStringList backends READ backends NOTIFY backendsChanged)
OpcUaMachineBackend(QObject *parent = nullptr);
~OpcUaMachineBackend();
double percentFilledTank1() const;
double percentFilledTank2() const;
double tank2TargetPercent() const;
bool tank2ValveState() const;
MachineState machineState() const;
bool connected() const;
QString machineDesignation() const;
QString message() const;
bool successfullyCreated() const;
void setMessage(const QString &message);
QStringList backends() const;
Q_INVOKABLE void connectToEndpoint(const QString &url, qint32 index);
Q_INVOKABLE void disconnectFromEndpoint();
Q_INVOKABLE void machineWriteTank2TargetPercent(double value);
Q_INVOKABLE void startPump();
Q_INVOKABLE void stopPump();
Q_INVOKABLE void flushTank2();
Q_INVOKABLE void resetSimulation();
public slots:
void requestEndpointsFinished(const QList<QOpcUaEndpointDescription> &endpoints);
void clientStateHandler(QOpcUaClient::ClientState state);
void machineStateUpdated(QOpcUa::NodeAttribute attr, const QVariant &value);
void percentFilledTank1Updated(QOpcUa::NodeAttribute attr, const QVariant &value);
void percentFilledTank2Updated(QOpcUa::NodeAttribute attr, const QVariant &value);
void tank2TargetPercentUpdated(QOpcUa::NodeAttribute attr, const QVariant &value);
void tank2ValveStateUpdated(QOpcUa::NodeAttribute attr, const QVariant &value);
void machineDesignationRead(QOpcUa::NodeAttributes attr);
void setpointWritten(QOpcUa::NodeAttribute attr, QOpcUa::UaStatusCode status);
void handleMethodResult(QString methodNodeId, const QVariant &result, QOpcUa::UaStatusCode statusCode);
void enableMonitoringFinished(QOpcUa::NodeAttribute attr, QOpcUa::UaStatusCode status);
signals:
void percentFilledTank1Changed(double value);
void percentFilledTank2Changed(double value);
void tank2TargetPercentChanged(double value);
void tank2ValveStateChanged(bool state);
void machineStateChanged(OpcUaMachineBackend::MachineState state);
void connectedChanged(bool connected);
void machineDesignationChanged(QString designation);
void messageChanged(QString message);
void backendsChanged(QStringList backends);
private:
void setBackends(const QStringList &backends);
QScopedPointer<QOpcUaClient> m_client;
QScopedPointer<QOpcUaNode> m_machineStateNode;
QScopedPointer<QOpcUaNode> m_percentFilledTank1Node;
QScopedPointer<QOpcUaNode> m_percentFilledTank2Node;
QScopedPointer<QOpcUaNode> m_tank2TargetPercentNode;
QScopedPointer<QOpcUaNode> m_tank2ValveStateNode;
QScopedPointer<QOpcUaNode> m_machineNode;
QScopedPointer<QOpcUaNode> m_machineDesignationNode;
double m_percentFilledTank1;
double m_percentFilledTank2;
double m_tank2TargetPercent;
bool m_tank2ValveState;
MachineState m_machineState;
QString m_machineDesignation;
bool m_connected;
QString m_message;
bool m_successfullyCreated;
QStringList m_backends;
};
Q_DECLARE_METATYPE(OpcUaMachineBackend::MachineState)
#endif // OPCUAMACHINEBACKEND_H
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