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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPCUANODE_H
#define QOPCUANODE_H
#include <QtOpcUa/qopcuaglobal.h>
#include <QtOpcUa/qopcuatype.h>
#include <QtCore/qdatetime.h>
#include <QtCore/qdebug.h>
#include <QtCore/qvariant.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
class QOpcUaNodePrivate;
class QOpcUaNodeImpl;
class QOpcUaClient;
class QOpcUaMonitoredEvent;
class QOpcUaMonitoredValue;
class Q_OPCUA_EXPORT QOpcUaNode : public QObject
{
Q_OBJECT
public:
Q_DECLARE_PRIVATE(QOpcUaNode)
// see OPC-UA Part 3, 5.2.3 & 8.30
enum class NodeClass {
Undefined = 0,
Object = 1,
Variable = 2,
Method = 4,
ObjectType = 8,
VariableType = 16,
ReferenceType = 32,
DataType = 64,
View = 128,
};
Q_ENUM(NodeClass)
enum class NodeAttribute {
None = 0,
NodeId = (1 << 0),
NodeClass = (1 << 1),
BrowseName = (1 << 2),
DisplayName = (1 << 3),
Description = (1 << 4),
WriteMask = (1 << 5),
UserWriteMask = (1 << 6), // Base attributes, see part 4, 5.2.1
IsAbstract = (1 << 7),
Symmetric = (1 << 8),
InverseName = (1 << 9), // Reference attributes, see part 4, 5.3.1
ContainsNoLoops = (1 << 10),
EventNotifier = (1 << 11), // View attributes, see part 4, 5.4
// Objects also add the EventNotifier attribute, see part 4, 5.5.1
// ObjectType also add the IsAbstract attribute, see part 4, 5.5.2
Value = (1 << 12),
DataType = (1 << 13),
ValueRank = (1 << 14),
ArrayDimensions = (1 << 15),
AccessLevel = (1 << 16),
UserAccessLevel = (1 << 17),
MinimumSamplingInterval = (1 << 18),
Historizing = (1 << 19), // Value attributes, see part 4, 5.6.2
// VariableType also adds the Value, DataType, ValueRank, ArrayDimensions
// and isAbstract attributes, see part 4, 5.6.5
Executable = (1 << 20),
UserExecutable = (1 << 21), // Method attributes, see part 4, 5.7
};
Q_ENUM(NodeAttribute)
Q_DECLARE_FLAGS(NodeAttributes, NodeAttribute)
static Q_DECL_CONSTEXPR QOpcUaNode::NodeAttributes mandatoryBaseAttributes();
static Q_DECL_CONSTEXPR QOpcUaNode::NodeAttributes allBaseAttributes();
typedef QMap<QOpcUaNode::NodeAttribute, QVariant> AttributeMap;
QOpcUaNode(QOpcUaNodeImpl *impl, QOpcUaClient *client, QObject *parent = nullptr);
virtual ~QOpcUaNode();
bool readAttributes(QOpcUaNode::NodeAttributes attributes = mandatoryBaseAttributes());
QVariant attribute(QOpcUaNode::NodeAttribute attribute) const;
QOpcUa::UaStatusCode attributeError(QOpcUaNode::NodeAttribute attribute) const;
bool writeAttribute(QOpcUaNode::NodeAttribute attribute, const QVariant &value, QOpcUa::Types type = QOpcUa::Types::Undefined);
bool writeAttributes(const AttributeMap &toWrite, QOpcUa::Types valueAttributeType = QOpcUa::Types::Undefined);
QStringList childrenIds() const;
QString nodeId() const;
QPair<double, double> readEuRange() const;
QPair<QString, QString> readEui() const;
bool call(const QString &methodNodeId, QVector<QOpcUa::TypedVariant> *args = nullptr,
QVector<QVariant> *ret = nullptr);
Q_SIGNALS:
void readFinished(QOpcUaNode::NodeAttributes attributes);
void attributeWritten(QOpcUaNode::NodeAttribute attribute, QOpcUa::UaStatusCode statusCode);
private:
Q_DISABLE_COPY(QOpcUaNode)
};
Q_OPCUA_EXPORT QDebug operator<<(QDebug dbg, const QOpcUaNode &node);
Q_DECLARE_TYPEINFO(QOpcUaNode::NodeClass, Q_PRIMITIVE_TYPE);
Q_DECLARE_TYPEINFO(QOpcUaNode::NodeAttribute, Q_PRIMITIVE_TYPE);
Q_DECLARE_OPERATORS_FOR_FLAGS(QOpcUaNode::NodeAttributes)
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QOpcUaNode::NodeClass)
Q_DECLARE_METATYPE(QOpcUaNode::NodeAttribute)
Q_DECLARE_METATYPE(QOpcUaNode::NodeAttributes)
Q_DECLARE_METATYPE(QOpcUaNode::AttributeMap)
inline Q_DECL_CONSTEXPR QOpcUaNode::NodeAttributes QOpcUaNode::mandatoryBaseAttributes()
{
return QOpcUaNode::NodeAttribute::NodeId | QOpcUaNode::NodeAttribute::NodeClass |
QOpcUaNode::NodeAttribute::BrowseName | QOpcUaNode::NodeAttribute::DisplayName;
}
inline Q_DECL_CONSTEXPR QOpcUaNode::NodeAttributes QOpcUaNode::allBaseAttributes()
{
return NodeAttribute::NodeId | NodeAttribute::NodeClass | NodeAttribute::BrowseName |
NodeAttribute::DisplayName | NodeAttribute::Description | NodeAttribute::WriteMask |
NodeAttribute::UserWriteMask;
}
#endif // QOPCUANODE_H
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