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path: root/tests/open62541-testserver/main.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

#include "testserver.h"
#include "qopen62541utils.h"
#include "generated/namespace_qtopcuatestmodel_generated.h"

#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#include <QtCore/QThread>
#include <QtCore/QVariant>
#include <QUuid>

#include <QtOpcUa/QOpcUaArgument>
#include <QtOpcUa/QOpcUaAxisInformation>
#include <QtOpcUa/QOpcUaComplexNumber>
#include <QtOpcUa/QOpcUaDoubleComplexNumber>
#include <QtOpcUa/QOpcUaExpandedNodeId>
#include <QtOpcUa/QOpcUaExtensionObject>
#include <QtOpcUa/QOpcUaEUInformation>
#include <QtOpcUa/QOpcUaLocalizedText>
#include <QtOpcUa/QOpcUaMultiDimensionalArray>
#include <QtOpcUa/QOpcUaQualifiedName>
#include <QtOpcUa/QOpcUaRange>
#include <QtOpcUa/QOpcUaXValue>
#include <QtOpcUa/QOpcUaStructureDefinition>
#include <QtOpcUa/QOpcUaStructureField>
#include <QtOpcUa/QOpcUaEnumDefinition>
#include <QtOpcUa/QOpcUaEnumField>
#include <QtOpcUa/QOpcUaDiagnosticInfo>

#include <csignal>

static volatile bool running = true;

static void signalHandler(int sig) {
    qDebug() << "Signal " << sig << " received, shutting down";
    running = false;
}

int main()
{
    signal(SIGINT, signalHandler);
    signal(SIGTERM, signalHandler);

    TestServer server;
    if (!server.init()) {
        qCritical() << "Could not initialize server.";
        return -1;
    }

    int idx = server.registerNamespace(QLatin1String("http://qt-project.org"));
    if (idx != 2) {
        qWarning() << "Unexpected namespace index for qt-project namespace";
    }
    int ns2 = server.registerNamespace(QLatin1String("Test Namespace"));
    if (ns2 != 3) {
        qWarning() << "Unexpected namespace index for Test namespace";
    }

    const UA_NodeId largeTestFolder = server.addFolder("ns=1;s=Large.Folder", "Large_Folder");

    for (int x = 0; x < 100; ++x)
        server.addObject(largeTestFolder, idx, "");

    const UA_NodeId testFolder = server.addFolder("ns=3;s=TestFolder", "TestFolder");

    server.addVariable(testFolder, "ns=3;s=TestNode.ReadWrite", "TestNode.ReadWrite", 0.1, QOpcUa::Types::Double);

//    // TODO: Create Event

    // Test variables containing arrays of various types
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Boolean", "BoolArrayTest", QVariantList({true, false}), QOpcUa::Types::Boolean);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Byte", "ByteArrayTest", QVariantList({1, 2}), QOpcUa::Types::Byte);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.SByte", "SByteArrayTest", QVariantList({1, 2}), QOpcUa::Types::SByte);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Double", "DoubleArrayTest", QVariantList({1.0, 2.0}), QOpcUa::Types::Double);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Float", "FloatArrayTest", QVariantList({1.0f, 2.0f}), QOpcUa::Types::Float);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Int16", "Int16ArrayTest", QVariantList({1, 2}), QOpcUa::Types::Int16);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Int32", "Int32ArrayTest", QVariantList({1, 2}), QOpcUa::Types::Int32);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Int64", "Int64ArrayTest", QVariantList({1, 2}), QOpcUa::Types::Int64);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.UInt16", "UInt16ArrayTest", QVariantList({1, 2}), QOpcUa::Types::UInt16);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.UInt32", "UInt32ArrayTest", QVariantList({1, 2}), QOpcUa::Types::UInt32);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.UInt64", "UInt64ArrayTest", QVariantList({1, 2}), QOpcUa::Types::UInt64);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.String", "StringArrayTest",
                       QVariantList({QStringLiteral("Value 1"), QStringLiteral("Value 2")}), QOpcUa::Types::String);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.LocalizedText", "LocalizedTextArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUaLocalizedText(QStringLiteral("en-US"), QStringLiteral("Value 1"))),
                                     QVariant::fromValue(QOpcUaLocalizedText(QStringLiteral("en-US"), QStringLiteral("Value 2")))}),
                       QOpcUa::Types::LocalizedText);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.ByteString", "ByteStringArrayTest",
                       QVariantList({QByteArray("Value 1"), QByteArray("Value 2")}), QOpcUa::Types::ByteString);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.DateTime", "DateTimeArrayTest",
                       QVariantList({QDateTime::currentDateTime(), QDateTime::currentDateTime().addDays(1), QDateTime::currentDateTime().addDays(2)}),
                       QOpcUa::Types::DateTime);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.NodeId", "NodeIdArrayTest",
                       QVariantList({QStringLiteral("ns=0;i=84"), QStringLiteral("ns=0;i=85")}), QOpcUa::Types::NodeId);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Guid", "GuidArrayTest",
                       QVariantList({QUuid::createUuid(), QUuid::createUuid()}), QOpcUa::Types::Guid);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.XmlElement", "XmlElementArrayTest",
                       QVariantList({QStringLiteral("<?xml version=\"1\" encoding=\"UTF-8\"?>"),
                                     QStringLiteral("<?xml version=\"1\" encoding=\"UTF-8\"?>")}), QOpcUa::Types::XmlElement);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.QualifiedName", "QualifiedNameArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUaQualifiedName(0, QStringLiteral("Value 1"))),
                                     QVariant::fromValue(QOpcUaQualifiedName(0, QStringLiteral("Value 2")))}), QOpcUa::Types::QualifiedName);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.StatusCode", "StatusCodeArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUa::UaStatusCode::Good),
                                     QVariant::fromValue(QOpcUa::UaStatusCode::BadInvalidArgument)}), QOpcUa::Types::StatusCode);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Range", "RangeArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUaRange(0, 100)),
                                     QVariant::fromValue(QOpcUaRange(100, 200))}), QOpcUa::Types::Range);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.EUInformation", "EUInformationArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUaEUInformation()),
                                     QVariant::fromValue(QOpcUaEUInformation())}), QOpcUa::Types::EUInformation);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.ComplexNumber", "ComplexNumberArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUaComplexNumber(1, 2)),
                                     QVariant::fromValue(QOpcUaComplexNumber(2, 3))}), QOpcUa::Types::ComplexNumber);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.DoubleComplexNumber", "DoubleComplexNumberArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUaDoubleComplexNumber(1, 2)),
                                     QVariant::fromValue(QOpcUaDoubleComplexNumber(2, 3))}), QOpcUa::Types::DoubleComplexNumber);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.AxisInformation", "AxisInformationArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUaAxisInformation()),
                                     QVariant::fromValue(QOpcUaAxisInformation())}), QOpcUa::Types::AxisInformation);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.XV", "XVArrayTest",
                       QVariantList({QVariant::fromValue(QOpcUaXValue(1, 2)),
                                     QVariant::fromValue(QOpcUaXValue(2, 3))}), QOpcUa::Types::XV);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.ExpandedNodeId", "ExpandedNodeIdArrayTest",
                       QVariantList({QOpcUaExpandedNodeId(QStringLiteral("ns1"), QStringLiteral("ns=0;i=64"), 1),
                                     QOpcUaExpandedNodeId(QString(), QStringLiteral("ns=1;i=84"))}),
                       QOpcUa::Types::ExpandedNodeId);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.Argument", "ArgumentArrayTest",
                       QVariantList({QOpcUaArgument(QStringLiteral("Argument1"), QStringLiteral("ns=0;i=12"), -1,
                                                       {},QOpcUaLocalizedText(QStringLiteral("en"), QStringLiteral("Description1"))),
                                     QOpcUaArgument(QStringLiteral("Argument2"), QStringLiteral("ns=0;i=12"), 2,
                                                       {2, 2}, QOpcUaLocalizedText(QStringLiteral("en"), QStringLiteral("Description2")))}),
                       QOpcUa::Types::Argument);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.EventFilter", "EventFilterArrayTest",
                       QVariantList{QOpcUaMonitoringParameters::EventFilter(), QOpcUaMonitoringParameters::EventFilter()}, QOpcUa::Types::EventFilter);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.ExtensionObject", "ExtensionObjectArrayTest",
                                                    QVariantList({QOpcUaExtensionObject(), QOpcUaExtensionObject()}),
                       QOpcUa::Types::ExtensionObject);

    // Test variables containing scalar values of various types
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Boolean", "BoolScalarTest", false, QOpcUa::Types::Boolean);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Byte", "ByteScalarTest", 1, QOpcUa::Types::Byte);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.SByte", "SByteScalarTest", 2, QOpcUa::Types::SByte);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Double", "DoubleScalarTest", 1.0, QOpcUa::Types::Double);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Float", "FloatScalarTest", 1.0f, QOpcUa::Types::Float);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Int16", "Int16ScalarTest", 1, QOpcUa::Types::Int16);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Int32", "Int32ScalarTest", 1, QOpcUa::Types::Int32);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Int64", "Int64ScalarTest", 1, QOpcUa::Types::Int64);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.UInt16", "UInt16ScalarTest", 1, QOpcUa::Types::UInt16);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.UInt32", "UInt32ScalarTest", 1, QOpcUa::Types::UInt32);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.UInt64", "UInt64ScalarTest", 1, QOpcUa::Types::UInt64);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.String", "StringScalarTest", QStringLiteral("Value"), QOpcUa::Types::String);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.LocalizedText", "LocalizedTextScalarTest",
                                                  QVariant::fromValue(QOpcUaLocalizedText(QStringLiteral("en-US"), QStringLiteral("Value"))),
                       QOpcUa::Types::LocalizedText);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.ByteString", "ByteStringScalarTest", QByteArray("Value 1"), QOpcUa::Types::ByteString);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.DateTime", "DateTimeScalarTest", QDateTime::currentDateTime(), QOpcUa::Types::DateTime);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.NodeId", "NodeIdScalarTest", QStringLiteral("ns=0;i=84"), QOpcUa::Types::NodeId);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Guid", "GuidScalarTest", QUuid::createUuid(), QOpcUa::Types::Guid);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.XmlElement", "XmlElementScalarTest",
                       QStringLiteral("<?xml version=\"1\" encoding=\"UTF-8\"?>"), QOpcUa::Types::XmlElement);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.QualifiedName", "QualifiedNameScalarTest",
                                                  QVariant::fromValue(QOpcUaQualifiedName(0, QStringLiteral("Value"))), QOpcUa::Types::QualifiedName);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.StatusCode", "StatusCodeScalarTest", QVariant::fromValue(QOpcUa::UaStatusCode::Good),
                       QOpcUa::Types::StatusCode);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Range", "RangeScalarTest", QVariant::fromValue(QOpcUaRange(0, 100)), QOpcUa::Types::Range);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.EUInformation", "EUInformationScalarTest",
                                                    QVariant::fromValue(QOpcUaEUInformation()), QOpcUa::Types::EUInformation);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.ComplexNumber", "ComplexNumberScalarTest",
                                                    QVariant::fromValue(QOpcUaComplexNumber(1, 2)), QOpcUa::Types::ComplexNumber);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.DoubleComplexNumber", "DoubleComplexNumberScalarTest",
                                                    QVariant::fromValue(QOpcUaDoubleComplexNumber(1, 2)), QOpcUa::Types::DoubleComplexNumber);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.AxisInformation", "AxisInformationScalarTest",
                                                    QVariant::fromValue(QOpcUaAxisInformation()), QOpcUa::Types::AxisInformation);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.XV", "XVScalarTest",
                                                    QVariant::fromValue(QOpcUaXValue(1, 2)), QOpcUa::Types::XV);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.ExpandedNodeId", "ExpandedNodeIdScalarTest",
                                                    QOpcUaExpandedNodeId(QStringLiteral("ns1"), QStringLiteral("ns=0;i=64"), 1),
                       QOpcUa::Types::ExpandedNodeId);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.Argument", "ArgumentScalarTest",
                       QOpcUaArgument(QStringLiteral("Argument1"), QStringLiteral("ns=0;i=12"), -1,
                                         {},QOpcUaLocalizedText(QStringLiteral("en"), QStringLiteral("Description1"))),
                       QOpcUa::Types::Argument);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.EventFilter", "EventFilterScalarTest", QOpcUaMonitoringParameters::EventFilter(),
                       QOpcUa::Types::EventFilter);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.ExtensionObject", "ExtensionObjectScalarTest",
                                                    QOpcUaExtensionObject(), QOpcUa::Types::ExtensionObject);
    server.addNodeWithFixedTimestamp(testFolder, "ns=2;s=Demo.Static.FixedTimestamp", "FixedTimestamp");

    // Add variables for historizing
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Historizing1", "HistorizingTest1", 0, QOpcUa::Types::Int32,
                       QList<quint32>(), UA_VALUERANK_ANY, true);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Historizing1.ContinuationPoint", "HistorizingContinuationPointTest1", 0, QOpcUa::Types::Int32,
                       QList<quint32>(), UA_VALUERANK_ANY, true, 5);

    server.addVariable(testFolder, "ns=2;s=Demo.Static.Historizing2", "HistorizingTest2", 0, QOpcUa::Types::Int32,
                       QList<quint32>(), UA_VALUERANK_ANY, true);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Historizing2.ContinuationPoint", "HistorizingContinuationPointTest2", 0, QOpcUa::Types::Int32,
                       QList<quint32>(), UA_VALUERANK_ANY, true, 5);

    // DataTypeDefinition nodes
    QOpcUaStructureField structureField;
    structureField.setArrayDimensions({1, 2, 3});
    structureField.setDataType(QOpcUa::namespace0Id(QOpcUa::NodeIds::Namespace0::Double));
    structureField.setDescription(QOpcUaLocalizedText("en", "This is a test"));
    structureField.setIsOptional(false);
    structureField.setMaxStringLength(100);
    structureField.setName("MyDouble");
    structureField.setValueRank(-1);

    QOpcUaStructureDefinition structureDefinition;
    structureDefinition.setBaseDataType(QOpcUa::namespace0Id(QOpcUa::NodeIds::Namespace0::Structure));
    structureDefinition.setDefaultEncodingId("ns=2;i=1234");
    structureDefinition.setStructureType(QOpcUaStructureDefinition::StructureType::Structure);
    structureDefinition.setFields({structureField});

    QOpcUaEnumField enumField;
    enumField.setDescription(QOpcUaLocalizedText("en", "This is a Test"));
    enumField.setDisplayName(QOpcUaLocalizedText("en", "Test"));
    enumField.setName("MyOption");
    enumField.setValue(0)
            ;
    QOpcUaEnumDefinition enumDefinition;
    enumDefinition.setFields({enumField});

    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.StructureField", "StructureField", structureField, QOpcUa::Types::StructureField);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.StructureDefinition", "StructureDefinition", structureDefinition, QOpcUa::Types::StructureDefinition);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.EnumField", "EnumField", enumField, QOpcUa::Types::EnumField);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.EnumDefinition", "EnumDefinition", enumDefinition, QOpcUa::Types::EnumDefinition);


    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.StructureField", "StructureFieldArray", QVariantList{structureField}, QOpcUa::Types::StructureField, {0}, UA_VALUERANK_ONE_DIMENSION);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.StructureDefinition", "StructureDefinitionArray", QVariantList{structureDefinition}, QOpcUa::Types::StructureDefinition, {0}, UA_VALUERANK_ONE_DIMENSION);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.EnumField", "EnumFieldArray", QVariantList{enumField}, QOpcUa::Types::EnumField, {0}, UA_VALUERANK_ONE_DIMENSION);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.EnumDefinition", "EnumDefinitionArray", QVariantList{enumDefinition}, QOpcUa::Types::EnumDefinition, {0}, UA_VALUERANK_ONE_DIMENSION);

    QOpcUaDiagnosticInfo diagnosticInfo;
    diagnosticInfo.setHasSymbolicId(true);
    diagnosticInfo.setSymbolicId(1);
    diagnosticInfo.setHasNamespaceUri(true);
    diagnosticInfo.setNamespaceUri(2);
    diagnosticInfo.setHasLocale(true);
    diagnosticInfo.setLocale(3);
    diagnosticInfo.setHasLocalizedText(true);
    diagnosticInfo.setLocalizedText(4);
    diagnosticInfo.setHasAdditionalInfo(true);
    diagnosticInfo.setAdditionalInfo(QStringLiteral("My additional info"));
    diagnosticInfo.setHasInnerStatusCode(true);
    diagnosticInfo.setInnerStatusCode(QOpcUa::UaStatusCode::BadInternalError);
    diagnosticInfo.setHasInnerDiagnosticInfo(true);
    diagnosticInfo.innerDiagnosticInfoRef().setHasAdditionalInfo(true);
    diagnosticInfo.innerDiagnosticInfoRef().setAdditionalInfo(QStringLiteral("My inner additional info"));

    QOpcUaDiagnosticInfo diagnosticInfo2;
    diagnosticInfo2.setHasLocale(true);
    diagnosticInfo2.setLocale(1);
    diagnosticInfo2.setHasInnerStatusCode(true);
    diagnosticInfo2.setInnerStatusCode(QOpcUa::UaStatusCode::BadTypeMismatch);

    server.addVariable(testFolder, "ns=2;s=Demo.Static.Scalar.DiagnosticInfo", "DiagnosticInfo", diagnosticInfo, QOpcUa::Types::DiagnosticInfo);
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.DiagnosticInfo", "DiagnosticInfoArray", QVariantList{ diagnosticInfo, diagnosticInfo2 },
                       QOpcUa::Types::DiagnosticInfo, {0}, UA_VALUERANK_ONE_DIMENSION);

    // Create folders containing child nodes with string, guid and opaque node ids
    UA_NodeId testStringIdsFolder = server.addFolder("ns=3;s=testStringIdsFolder", "testStringIdsFolder");
    server.addVariable(testStringIdsFolder, "ns=3;s=theStringId", "theStringId", QStringLiteral("Value"), QOpcUa::Types::String);
    UA_NodeId testGuidIdsFolder = server.addFolder("ns=3;s=testGuidIdsFolder", "testGuidIdsFolder");
    server.addVariable(testGuidIdsFolder, "ns=3;g=08081e75-8e5e-319b-954f-f3a7613dc29b", "theGuidId", QStringLiteral("Value"), QOpcUa::Types::String);
    UA_NodeId testOpaqueIdsFolder = server.addFolder("ns=3;s=testOpaqueIdsFolder", "testOpaqueIdsFolder");
    server.addVariable(testOpaqueIdsFolder, "ns=3;b=UXQgZnR3IQ==", "theOpaqueId", QStringLiteral("Value"), QOpcUa::Types::String);

    UA_NodeId testUmlautIdFolder = server.addFolder("ns=3;s=ümläutFölderNödeId", "ümläutFölderNödeId");
    server.addVariable(testUmlautIdFolder, "ns=3;s=ümläutVäriableNödeId", "ümläutVäriableNödeId", QStringLiteral("Value"), QOpcUa::Types::String);

    // Add a method to the test folder
    server.addMultiplyMethod(testFolder, "ns=3;s=Test.Method.Multiply", "MultiplyDoubles");
    server.addMultipleOutputArgumentsMethod(testFolder, "ns=3;s=Test.Method.MultipleOutputArguments", "MultipleOutputArguments");
    server.addEmptyArrayVariable(testFolder, "ns=2;s=EmptyBoolArray", "EmptyBoolArrayTest");

    const QList<quint32> arrayDimensions({2, 2, 3});
    const QVariantList value({0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0});
    server.addVariable(testFolder, "ns=2;s=Demo.Static.Arrays.MultiDimensionalDouble", "MultiDimensionalDoubleTest",
                       QOpcUaMultiDimensionalArray(value, arrayDimensions), QOpcUa::Types::Double, QList<quint32>({2, 2, 3}), 3);

    // Add folders for relative nodes
    const UA_NodeId testFolder2 = server.addFolder("ns=3;s=TestFolder2", "TestFolder2");
    server.addVariable(testFolder2, "ns=3;s=TestNode2.ReadWrite", "TestNode.ReadWrite", 0.1, QOpcUa::Types::Double);

    // Add a method for adding namespaces
    server.addAddNamespaceMethod(Open62541Utils::nodeIdFromQString("ns=0;i=2253"), "ns=3;s=Test.Method.AddNamespace", "AddNamespace");

    // Add full writable node
    quint32 fullWritableMask = UA_WRITEMASK_ACCESSLEVEL | UA_WRITEMASK_ARRRAYDIMENSIONS | UA_WRITEMASK_BROWSENAME | UA_WRITEMASK_CONTAINSNOLOOPS |
                                UA_WRITEMASK_DATATYPE | UA_WRITEMASK_DESCRIPTION | UA_WRITEMASK_DISPLAYNAME | UA_WRITEMASK_EVENTNOTIFIER | UA_WRITEMASK_EXECUTABLE |
                                UA_WRITEMASK_HISTORIZING | UA_WRITEMASK_INVERSENAME | UA_WRITEMASK_ISABSTRACT | UA_WRITEMASK_MINIMUMSAMPLINGINTERVAL | UA_WRITEMASK_NODECLASS |
                                UA_WRITEMASK_NODEID | UA_WRITEMASK_SYMMETRIC | UA_WRITEMASK_USERACCESSLEVEL | UA_WRITEMASK_USEREXECUTABLE | UA_WRITEMASK_USERWRITEMASK |
                                UA_WRITEMASK_VALUERANK | UA_WRITEMASK_WRITEMASK | UA_WRITEMASK_VALUEFORVARIABLETYPE;

    server.addVariableWithWriteMask(testFolder, "ns=3;s=Demo.Static.Scalar.FullyWritable", "FullyWritableTest", 1.0, QOpcUa::Types::Double, fullWritableMask);

    server.addEventTrigger(testFolder);

    server.addEventHistorian(UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));

    server.addServerStatusTypeTestNodes(testFolder);

    // Add test nodes for the generic type decoder
    auto result = server.addEncoderTestModel();

    if (result != UA_STATUSCODE_GOOD)
        qFatal("Failed to initialize decoder test nodeset: %s", UA_StatusCode_name(result));

    result = server.run(&running);

    if (result != UA_STATUSCODE_GOOD)
        qFatal("Failed to launch open62541 test server");

    return 0;
}