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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 QOPCUACLIENT_H
#define QOPCUACLIENT_H
#include <QtOpcUa/qopcuaglobal.h>
#include <QtOpcUa/qopcuanode.h>
#include <QtOpcUa/qopcuasubscription.h>
#include <QtCore/qobject.h>
#include <QtCore/qurl.h>
QT_BEGIN_NAMESPACE
class QOpcUaClientPrivate;
class QOpcUaClientImpl;
class Q_OPCUA_EXPORT QOpcUaClient : public QObject
{
Q_OBJECT
Q_PROPERTY(ClientState state READ state NOTIFY stateChanged)
Q_PROPERTY(ClientError error READ error NOTIFY errorChanged)
Q_DECLARE_PRIVATE(QOpcUaClient)
public:
enum ClientState {
Disconnected,
Connecting,
Connected,
Closing
};
Q_ENUM(ClientState)
enum ClientError {
NoError,
InvalidUrl,
SecureConnectionError,
AccessDenied,
UnknownError
};
Q_ENUM(ClientError)
explicit QOpcUaClient(QOpcUaClientImpl *impl, QObject *parent = nullptr);
~QOpcUaClient();
Q_INVOKABLE void connectToEndpoint(const QUrl &url);
Q_INVOKABLE void secureConnectToEndpoint(const QUrl &url);
Q_INVOKABLE void disconnectFromEndpoint();
QOpcUaNode *node(const QString &nodeId);
QOpcUaSubscription *createSubscription(quint32 interval);
QUrl url() const;
ClientState state() const;
ClientError error() const;
bool isSecureConnectionSupported() const;
QString backend() const;
Q_SIGNALS:
void connected();
void disconnected();
void stateChanged(ClientState state);
void errorChanged(ClientError error);
private:
Q_DISABLE_COPY(QOpcUaClient)
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QOpcUaClient::ClientState)
Q_DECLARE_METATYPE(QOpcUaClient::ClientError)
#endif // QOPCUACLIENT_H
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