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/****************************************************************************
**
** Copyright (C) 2015 basysKom GmbH, opensource@basyskom.com
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtOpcUa module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qfreeopcuaclient.h"
#include "qfreeopcuanode.h"
#include "qfreeopcuaworker.h"
#include <QtOpcUa/qopcuasubscription.h>
#include <private/qopcuaclient_p.h>
#include <QtCore/qloggingcategory.h>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(QT_OPCUA_PLUGINS_FREEOPCUA)
QFreeOpcUaClientImpl::QFreeOpcUaClientImpl()
: QOpcUaClientImpl()
{
m_thread = new QThread();
m_opcuaWorker = new QFreeOpcUaWorker(this);
connectBackendWithClient(m_opcuaWorker);
m_opcuaWorker->moveToThread(m_thread);
connect(m_thread, &QThread::finished, m_opcuaWorker, &QObject::deleteLater);
connect(m_thread, &QThread::finished, m_thread, &QObject::deleteLater);
m_thread->start();
}
QFreeOpcUaClientImpl::~QFreeOpcUaClientImpl()
{
if (m_thread->isRunning())
m_thread->quit();
}
void QFreeOpcUaClientImpl::connectToEndpoint(const QUrl &url)
{
QMetaObject::invokeMethod(m_opcuaWorker, "asyncConnectToEndpoint", Qt::QueuedConnection,
Q_ARG(QUrl, url));
}
void QFreeOpcUaClientImpl::secureConnectToEndpoint(const QUrl &)
{
// No need to do something, never reached
}
void QFreeOpcUaClientImpl::disconnectFromEndpoint()
{
QMetaObject::invokeMethod(m_opcuaWorker, "asyncDisconnectFromEndpoint", Qt::QueuedConnection);
}
QOpcUaNode *QFreeOpcUaClientImpl::node(const QString &nodeId)
{
if (!m_opcuaWorker)
return new QOpcUaNode(new QFreeOpcUaNode(OpcUa::Node(), nullptr), m_client);
try {
OpcUa::Node node = m_opcuaWorker->GetNode(nodeId.toStdString());
QFreeOpcUaNode *n = new QFreeOpcUaNode(node, this);
return new QOpcUaNode(n, m_client);
} catch (const std::exception &ex) {
qCWarning(QT_OPCUA_PLUGINS_FREEOPCUA, "Could not get node: %s %s", qUtf8Printable(nodeId), ex.what());
return new QOpcUaNode(new QFreeOpcUaNode(OpcUa::Node(), this), m_client);
}
}
QOpcUaSubscription *QFreeOpcUaClientImpl::createSubscription(quint32 interval)
{
QOpcUaSubscription *result;
QMetaObject::invokeMethod(m_opcuaWorker, "createSubscription",
Qt::BlockingQueuedConnection,
Q_RETURN_ARG(QOpcUaSubscription *, result),
Q_ARG(quint32, interval));
return result;
}
QT_END_NAMESPACE
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