Revision control
Copy as Markdown
// 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
#include <private/qopcuabackend_p.h>
#include <private/qopcuaclientimpl_p.h>
#include <QtOpcUa/qopcuamonitoringparameters.h>
#include "qopcuaclient_p.h"
#include "qopcuaerrorstate.h"
QT_BEGIN_NAMESPACE
QOpcUaClientImpl::QOpcUaClientImpl(QObject *parent)
: QObject(parent)
, m_client(nullptr)
, m_handleCounter(0)
{}
QOpcUaClientImpl::~QOpcUaClientImpl()
{}
bool QOpcUaClientImpl::registerNode(QPointer<QOpcUaNodeImpl> obj)
{
if (m_handles.size() == (std::numeric_limits<int>::max)())
return false;
while (true) {
++m_handleCounter;
if (!m_handles.contains(m_handleCounter)) {
obj->setHandle(m_handleCounter);
m_handles[m_handleCounter] = obj;
return true;
}
}
}
void QOpcUaClientImpl::unregisterNode(QPointer<QOpcUaNodeImpl> obj)
{
m_handles.remove(obj->handle());
}
void QOpcUaClientImpl::connectBackendWithClient(QOpcUaBackend *backend)
{
connect(backend, &QOpcUaBackend::attributesRead, this, &QOpcUaClientImpl::handleAttributesRead);
connect(backend, &QOpcUaBackend::stateAndOrErrorChanged, this, &QOpcUaClientImpl::stateAndOrErrorChanged);
connect(backend, &QOpcUaBackend::attributeWritten, this, &QOpcUaClientImpl::handleAttributeWritten);
connect(backend, &QOpcUaBackend::dataChangeOccurred, this, &QOpcUaClientImpl::handleDataChangeOccurred);
connect(backend, &QOpcUaBackend::monitoringEnableDisable, this, &QOpcUaClientImpl::handleMonitoringEnableDisable);
connect(backend, &QOpcUaBackend::monitoringStatusChanged, this, &QOpcUaClientImpl::handleMonitoringStatusChanged);
connect(backend, &QOpcUaBackend::methodCallFinished, this, &QOpcUaClientImpl::handleMethodCallFinished);
connect(backend, &QOpcUaBackend::browseFinished, this, &QOpcUaClientImpl::handleBrowseFinished);
connect(backend, &QOpcUaBackend::resolveBrowsePathFinished, this, &QOpcUaClientImpl::handleResolveBrowsePathFinished);
connect(backend, &QOpcUaBackend::eventOccurred, this, &QOpcUaClientImpl::handleNewEvent);
connect(backend, &QOpcUaBackend::endpointsRequestFinished, this, &QOpcUaClientImpl::endpointsRequestFinished);
connect(backend, &QOpcUaBackend::findServersFinished, this, &QOpcUaClientImpl::findServersFinished);
connect(backend, &QOpcUaBackend::readNodeAttributesFinished, this, &QOpcUaClientImpl::readNodeAttributesFinished);
connect(backend, &QOpcUaBackend::writeNodeAttributesFinished, this, &QOpcUaClientImpl::writeNodeAttributesFinished);
connect(backend, &QOpcUaBackend::addNodeFinished, this, &QOpcUaClientImpl::addNodeFinished);
connect(backend, &QOpcUaBackend::deleteNodeFinished, this, &QOpcUaClientImpl::deleteNodeFinished);
connect(backend, &QOpcUaBackend::addReferenceFinished, this, &QOpcUaClientImpl::addReferenceFinished);
connect(backend, &QOpcUaBackend::deleteReferenceFinished, this, &QOpcUaClientImpl::deleteReferenceFinished);
// This needs to be blocking queued because it is called from another thread, which needs to wait for a result.
connect(backend, &QOpcUaBackend::connectError, this, &QOpcUaClientImpl::connectError, Qt::BlockingQueuedConnection);
connect(backend, &QOpcUaBackend::passwordForPrivateKeyRequired, this, &QOpcUaClientImpl::passwordForPrivateKeyRequired, Qt::BlockingQueuedConnection);
connect(backend, &QOpcUaBackend::registerNodesFinished, this, &QOpcUaClientImpl::registerNodesFinished);
connect(backend, &QOpcUaBackend::unregisterNodesFinished, this, &QOpcUaClientImpl::unregisterNodesFinished);
}
void QOpcUaClientImpl::handleAttributesRead(quint64 handle, QList<QOpcUaReadResult> attr, QOpcUa::UaStatusCode serviceResult)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->attributesRead(attr, serviceResult);
}
void QOpcUaClientImpl::handleAttributeWritten(quint64 handle, QOpcUa::NodeAttribute attr, const QVariant &value, QOpcUa::UaStatusCode statusCode)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->attributeWritten(attr, value, statusCode);
}
void QOpcUaClientImpl::handleDataChangeOccurred(quint64 handle, const QOpcUaReadResult &value)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->dataChangeOccurred(value.attribute(), value);
}
void QOpcUaClientImpl::handleMonitoringEnableDisable(quint64 handle, QOpcUa::NodeAttribute attr, bool subscribe, QOpcUaMonitoringParameters status)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->monitoringEnableDisable(attr, subscribe, status);
}
void QOpcUaClientImpl::handleMonitoringStatusChanged(quint64 handle, QOpcUa::NodeAttribute attr, QOpcUaMonitoringParameters::Parameters items, QOpcUaMonitoringParameters param)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->monitoringStatusChanged(attr, items, param);
}
void QOpcUaClientImpl::handleMethodCallFinished(quint64 handle, QString methodNodeId, QVariant result, QOpcUa::UaStatusCode statusCode)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->methodCallFinished(methodNodeId, result, statusCode);
}
void QOpcUaClientImpl::handleBrowseFinished(quint64 handle, const QList<QOpcUaReferenceDescription> &children, QOpcUa::UaStatusCode statusCode)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->browseFinished(children, statusCode);
}
void QOpcUaClientImpl::handleResolveBrowsePathFinished(quint64 handle, QList<QOpcUaBrowsePathTarget> targets,
QList<QOpcUaRelativePathElement> path, QOpcUa::UaStatusCode status)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->resolveBrowsePathFinished(targets, path, status);
}
void QOpcUaClientImpl::handleNewEvent(quint64 handle, QVariantList eventFields)
{
auto it = m_handles.constFind(handle);
if (it != m_handles.constEnd() && !it->isNull())
emit it.value()->eventOccurred(eventFields);
}
QT_END_NAMESPACE