qopcuaclientimpl_p.h

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// Copyright (C) 2016 basysKom GmbH, opensource@basyskom.com

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QOPCUACLIENTIMPL_P_H

#define QOPCUACLIENTIMPL_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 <QtOpcUa/qopcuaclient.h>

#include <QtOpcUa/qopcuaconnectionsettings.h>

#include <QtOpcUa/qopcuaglobal.h>

#include <QtOpcUa/qopcuaendpointdescription.h>

#include <private/qopcuanodeimpl_p.h>

#include <QtCore/qobject.h>

#include <QtCore/qpointer.h>

#include <QtCore/qset.h>

QT_BEGIN_NAMESPACE

class QOpcUaNode;

class QOpcUaClient;

class QOpcUaBackend;

class QOpcUaMonitoringParameters;

class Q_OPCUA_EXPORT QOpcUaClientImpl : public QObject

    Q_OBJECT

public:

    QOpcUaClientImpl(QObject *parent = 0);

    virtual ~QOpcUaClientImpl();

    virtual void connectToEndpoint(const QOpcUaEndpointDescription &endpoint) = 0;

    virtual void disconnectFromEndpoint() = 0;

    virtual QOpcUaNode *node(const QString &nodeId) = 0;

    virtual QString backend() const = 0;

    virtual bool requestEndpoints(const QUrl &url) = 0;

    virtual bool findServers(const QUrl &url, const QStringList &localeIds, const QStringList &serverUris) = 0;

    virtual bool readNodeAttributes(const QList<QOpcUaReadItem> &nodesToRead) = 0;

    virtual bool writeNodeAttributes(const QList<QOpcUaWriteItem> &nodesToWrite) = 0;

    virtual QOpcUaHistoryReadResponse *readHistoryData(const QOpcUaHistoryReadRawRequest &request) = 0;

    virtual QOpcUaHistoryReadResponse *readHistoryEvents(const QOpcUaHistoryReadEventRequest &request) = 0;

    bool registerNode(QPointer<QOpcUaNodeImpl> obj);

    void unregisterNode(QPointer<QOpcUaNodeImpl> obj);

    virtual bool addNode(const QOpcUaAddNodeItem &nodeToAdd) = 0;

    virtual bool deleteNode(const QString &nodeId, bool deleteTargetReferences) = 0;

    virtual bool addReference(const QOpcUaAddReferenceItem &referenceToAdd) = 0;

    virtual bool deleteReference(const QOpcUaDeleteReferenceItem &referenceToDelete) = 0;

    void connectBackendWithClient(QOpcUaBackend *backend);

    virtual QStringList supportedSecurityPolicies() const = 0;

    virtual QList<QOpcUaUserTokenPolicy::TokenType> supportedUserTokenTypes() const = 0;

    virtual bool registerNodes(const QStringList &nodesToRegister) = 0;

    virtual bool unregisterNodes(const QStringList &nodesToUnregister) = 0;

    QOpcUaClient *m_client;

private Q_SLOTS:

    void handleAttributesRead(quint64 handle, QList<QOpcUaReadResult> attr, QOpcUa::UaStatusCode serviceResult);

    void handleAttributeWritten(quint64 handle, QOpcUa::NodeAttribute attr, const QVariant &value, QOpcUa::UaStatusCode statusCode);

    void handleDataChangeOccurred(quint64 handle, const QOpcUaReadResult &value);

    void handleMonitoringEnableDisable(quint64 handle, QOpcUa::NodeAttribute attr, bool subscribe, QOpcUaMonitoringParameters status);

    void handleMonitoringStatusChanged(quint64 handle, QOpcUa::NodeAttribute attr, QOpcUaMonitoringParameters::Parameters items,

                                 QOpcUaMonitoringParameters param);

    void handleMethodCallFinished(quint64 handle, QString methodNodeId, QVariant result, QOpcUa::UaStatusCode statusCode);

    void handleBrowseFinished(quint64 handle, const QList<QOpcUaReferenceDescription> &children, QOpcUa::UaStatusCode statusCode);

    void handleResolveBrowsePathFinished(quint64 handle, QList<QOpcUaBrowsePathTarget> targets,

                                           QList<QOpcUaRelativePathElement> path, QOpcUa::UaStatusCode status);

    void handleNewEvent(quint64 handle, QVariantList eventFields);

signals:

    void connected();

    void disconnected();

    void stateAndOrErrorChanged(QOpcUaClient::ClientState state,

                                QOpcUaClient::ClientError error);

    void endpointsRequestFinished(QList<QOpcUaEndpointDescription> endpoints, QOpcUa::UaStatusCode statusCode, QUrl requestUrl);

    void findServersFinished(QList<QOpcUaApplicationDescription> servers, QOpcUa::UaStatusCode statusCode, QUrl requestUrl);

    void readNodeAttributesFinished(QList<QOpcUaReadResult> results, QOpcUa::UaStatusCode serviceResult);

    void writeNodeAttributesFinished(QList<QOpcUaWriteResult> results, QOpcUa::UaStatusCode serviceResult);

    void addNodeFinished(QOpcUaExpandedNodeId requestedNodeId, QString assignedNodeId, QOpcUa::UaStatusCode statusCode);

    void deleteNodeFinished(QString nodeId, QOpcUa::UaStatusCode statusCode);

    void addReferenceFinished(QString sourceNodeId, QString referenceTypeId, QOpcUaExpandedNodeId targetNodeId, bool isForwardReference,

                              QOpcUa::UaStatusCode statusCode);

    void deleteReferenceFinished(QString sourceNodeId, QString referenceTypeId, QOpcUaExpandedNodeId targetNodeId, bool isForwardReference,

                              QOpcUa::UaStatusCode statusCode);

    void connectError(QOpcUaErrorState *errorState);

    void passwordForPrivateKeyRequired(const QString keyFilePath, QString *password, bool previousTryWasInvalid);

    void registerNodesFinished(QStringList nodesToRegister, QStringList registeredNodeIds, QOpcUa::UaStatusCode statusCode);

    void unregisterNodesFinished(QStringList nodesToUnregister, QOpcUa::UaStatusCode statusCode);

    void connectionSettingsChanged(QOpcUaConnectionSettings settings);

private:

    Q_DISABLE_COPY(QOpcUaClientImpl)

    QHash<quint64, QPointer<QOpcUaNodeImpl>> m_handles;

    quint64 m_handleCounter;

};

#if QT_VERSION >= 0x060000

inline size_t qHash(const QPointer<QOpcUaNodeImpl>& n)

#else

inline uint qHash(const QPointer<QOpcUaNodeImpl>& n)

#endif

    return ::qHash(n.data());

QT_END_NAMESPACE

#endif // QOPCUACLIENTIMPL_P_H