qopen62541node.cpp

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// Copyright (C) 2017 The Qt Company Ltd.

// 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

#include "qopen62541backend.h"

#include "qopen62541node.h"

#include "qopen62541utils.h"

#include "qopen62541valueconverter.h"

#include <private/qopcuahistoryreadresponse_p.h>

#include <QtCore/qdatetime.h>

#include <QtCore/qstring.h>

#include <QtCore/qlist.h>

QT_BEGIN_NAMESPACE

QOpen62541Node::QOpen62541Node(const UA_NodeId nodeId, QOpen62541Client *client, const QString nodeIdString)

    : m_client(client)

    , m_nodeIdString(nodeIdString)

    , m_nodeId(nodeId)

    bool success = m_client->registerNode(this);

    setRegistered(success);

QOpen62541Node::~QOpen62541Node()

    if (m_client)

        m_client->unregisterNode(this);

    UA_NodeId_clear(&m_nodeId);

bool QOpen62541Node::readAttributes(QOpcUa::NodeAttributes attr, const QString &indexRange)

    if (!m_client)

        return false;

    UA_NodeId tempId;

    UA_NodeId_copy(&m_nodeId, &tempId);

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::readAttributes,

                                     Qt::QueuedConnection, handle(), tempId, attr, indexRange);

bool QOpen62541Node::enableMonitoring(QOpcUa::NodeAttributes attr, const QOpcUaMonitoringParameters &settings)

    if (!m_client)

        return false;

    UA_NodeId tempId;

    UA_NodeId_copy(&m_nodeId, &tempId);

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::enableMonitoring,

                                     Qt::QueuedConnection, handle(), tempId, attr, settings);

bool QOpen62541Node::disableMonitoring(QOpcUa::NodeAttributes attr)

    if (!m_client)

        return false;

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::disableMonitoring,

                                     Qt::QueuedConnection, handle(), attr);

bool QOpen62541Node::modifyMonitoring(QOpcUa::NodeAttribute attr, QOpcUaMonitoringParameters::Parameter item, const QVariant &value)

    if (!m_client)

        return false;

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::modifyMonitoring,

                                     Qt::QueuedConnection, handle(), attr, item, value);

QString QOpen62541Node::nodeId() const

    return m_nodeIdString;

bool QOpen62541Node::browse(const QOpcUaBrowseRequest &request)

    if (!m_client)

        return false;

    UA_NodeId tempId;

    UA_NodeId_copy(&m_nodeId, &tempId);

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::browse,

                                     Qt::QueuedConnection, handle(), tempId, request);

bool QOpen62541Node::writeAttribute(QOpcUa::NodeAttribute attribute, const QVariant &value, QOpcUa::Types type, const QString &indexRange)

    if (!m_client)

        return false;

    UA_NodeId tempId;

    UA_NodeId_copy(&m_nodeId, &tempId);

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::writeAttribute,

                                     Qt::QueuedConnection, handle(), tempId, attribute, value, type, indexRange);

bool QOpen62541Node::writeAttributes(const QOpcUaNode::AttributeMap &toWrite, QOpcUa::Types valueAttributeType)

    if (!m_client)

        return false;

    UA_NodeId tempId;

    UA_NodeId_copy(&m_nodeId, &tempId);

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::writeAttributes,

                                     Qt::QueuedConnection, handle(), tempId, toWrite, valueAttributeType);

bool QOpen62541Node::callMethod(const QString &methodNodeId, const QList<QOpcUa::TypedVariant> &args)

    if (!m_client)

        return false;

    UA_NodeId obj;

    UA_NodeId_copy(&m_nodeId, &obj);

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::callMethod,

                                     Qt::QueuedConnection, handle(), obj,

                                     Open62541Utils::nodeIdFromQString(methodNodeId), args);

QOpcUaHistoryReadResponse *QOpen62541Node::readHistoryRaw(const QDateTime &startTime, const QDateTime &endTime,

                                                          quint32 numValues, bool returnBounds,

                                                          QOpcUa::TimestampsToReturn timestampsToReturn)

    if (!m_client)

        return nullptr;

    QOpcUaHistoryReadRawRequest request({ QOpcUaReadItem(m_nodeIdString) }, startTime, endTime, timestampsToReturn);

    request.setNumValuesPerNode(numValues);

    request.setReturnBounds(returnBounds);

    return m_client->readHistoryData(request);

QOpcUaHistoryReadResponse *QOpen62541Node::readHistoryEvents(const QDateTime &startTime, const QDateTime &endTime,

                                                             const QOpcUaMonitoringParameters::EventFilter &filter, quint32 numValues)

    if (!m_client)

        return nullptr;

    QOpcUaHistoryReadEventRequest request({QOpcUaReadItem(m_nodeIdString)},

                                          startTime, endTime, filter);

    request.setNumValuesPerNode(numValues);

    return m_client->readHistoryEvents(request);

bool QOpen62541Node::resolveBrowsePath(const QList<QOpcUaRelativePathElement> &path)

    if (!m_client)

        return false;

    UA_NodeId start;

    UA_NodeId_copy(&m_nodeId, &start);

    return QMetaObject::invokeMethod(m_client->m_backend, &Open62541AsyncBackend::resolveBrowsePath,

                                     Qt::QueuedConnection, handle(), start, path);

QT_END_NAMESPACE