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Set seed to fix value, to have deterministic datavalues #364

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Jun 18, 2024
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Set seed to fix value, to have deterministic datavalues #364

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45 changes: 40 additions & 5 deletions src/Reference/ReferenceNodeManager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ namespace OpcPlc.Reference
using Opc.Ua;
using Opc.Ua.Server;
using Range = Opc.Ua.Range;
using Opc.Ua.Test;

public class ReferenceNodeManager : CustomNodeManager2
{
Expand Down Expand Up @@ -182,6 +183,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
try
{
#region Scalar_Static
ResetRandomGenerator(1);
FolderState scalarFolder = CreateFolder(root, "Scalar", "Scalar");
BaseDataVariableState scalarInstructions = CreateVariable(scalarFolder, "Scalar_Instructions", "Scalar_Instructions", DataTypeIds.String, ValueRanks.Scalar);
scalarInstructions.Value = "A library of Read/Write Variables of all supported data-types.";
Expand Down Expand Up @@ -227,6 +229,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Scalar_Static_Arrays
ResetRandomGenerator(2);
FolderState arraysFolder = CreateFolder(staticFolder, "Scalar_Static_Arrays", "Arrays");
const string staticArrays = "Scalar_Static_Arrays_";

Expand Down Expand Up @@ -291,6 +294,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Scalar_Static_Arrays2D
ResetRandomGenerator(3);
FolderState arrays2DFolder = CreateFolder(staticFolder, "Scalar_Static_Arrays2D", "Arrays2D");
const string staticArrays2D = "Scalar_Static_Arrays2D_";
variables.Add(CreateVariable(arrays2DFolder, staticArrays2D + "Boolean", "Boolean", DataTypeIds.Boolean, ValueRanks.TwoDimensions));
Expand Down Expand Up @@ -322,6 +326,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Scalar_Static_ArrayDynamic
ResetRandomGenerator(4);
FolderState arrayDymnamicFolder = CreateFolder(staticFolder, "Scalar_Static_ArrayDymamic", "ArrayDymamic");
const string staticArraysDynamic = "Scalar_Static_ArrayDynamic_";
variables.Add(CreateVariable(arrayDymnamicFolder, staticArraysDynamic + "Boolean", "Boolean", DataTypeIds.Boolean, ValueRanks.OneOrMoreDimensions));
Expand Down Expand Up @@ -353,6 +358,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Scalar_Static_Mass
ResetRandomGenerator(5);
// create 100 instances of each static scalar type
FolderState massFolder = CreateFolder(staticFolder, "Scalar_Static_Mass", "Mass");
const string staticMass = "Scalar_Static_Mass_";
Expand Down Expand Up @@ -383,6 +389,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Scalar_Simulation
ResetRandomGenerator(6);
FolderState simulationFolder = CreateFolder(scalarFolder, "Scalar_Simulation", "Simulation");
const string scalarSimulation = "Scalar_Simulation_";
CreateDynamicVariable(simulationFolder, scalarSimulation + "Boolean", "Boolean", DataTypeIds.Boolean, ValueRanks.Scalar);
Expand Down Expand Up @@ -422,6 +429,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Scalar_Simulation_Arrays
ResetRandomGenerator(7);
FolderState arraysSimulationFolder = CreateFolder(simulationFolder, "Scalar_Simulation_Arrays", "Arrays");
const string simulationArrays = "Scalar_Simulation_Arrays_";
CreateDynamicVariable(arraysSimulationFolder, simulationArrays + "Boolean", "Boolean", DataTypeIds.Boolean, ValueRanks.OneDimension);
Expand Down Expand Up @@ -453,6 +461,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Scalar_Simulation_Mass
ResetRandomGenerator(8);
FolderState massSimulationFolder = CreateFolder(simulationFolder, "Scalar_Simulation_Mass", "Mass");
const string massSimulation = "Scalar_Simulation_Mass_";
CreateDynamicVariables(massSimulationFolder, massSimulation + "Boolean", "Boolean", DataTypeIds.Boolean, ValueRanks.Scalar, 100);
Expand Down Expand Up @@ -484,6 +493,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region DataAccess_DataItem
ResetRandomGenerator(9);
FolderState daFolder = CreateFolder(root, "DataAccess", "DataAccess");
BaseDataVariableState daInstructions = CreateVariable(daFolder, "DataAccess_Instructions", "Instructions", DataTypeIds.String, ValueRanks.Scalar);
daInstructions.Value = "A library of Read/Write Variables of all supported data-types.";
Expand All @@ -505,6 +515,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region DataAccess_AnalogType
ResetRandomGenerator(10);
FolderState analogItemFolder = CreateFolder(daFolder, "DataAccess_AnalogType", "AnalogType");
const string daAnalogItem = "DataAccess_AnalogType_";

Expand Down Expand Up @@ -532,6 +543,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region DataAccess_AnalogType_Array
ResetRandomGenerator(11);
FolderState analogArrayFolder = CreateFolder(analogItemFolder, "DataAccess_AnalogType_Array", "Array");
const string daAnalogArray = "DataAccess_AnalogType_Array_";

Expand Down Expand Up @@ -565,6 +577,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region DataAccess_DiscreteType
ResetRandomGenerator(12);
FolderState discreteTypeFolder = CreateFolder(daFolder, "DataAccess_DiscreteType", "DiscreteType");
FolderState twoStateDiscreteFolder = CreateFolder(discreteTypeFolder, "DataAccess_TwoStateDiscreteType", "TwoStateDiscreteType");
const string daTwoStateDiscrete = "DataAccess_TwoStateDiscreteType_";
Expand All @@ -588,6 +601,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region DataAccess_MultiStateValueDiscreteType
ResetRandomGenerator(13);
FolderState multiStateValueDiscreteFolder = CreateFolder(discreteTypeFolder, "DataAccess_MultiStateValueDiscreteType", "MultiStateValueDiscreteType");
const string daMultiStateValueDiscrete = "DataAccess_MultiStateValueDiscreteType_";

Expand All @@ -611,6 +625,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region References
ResetRandomGenerator(14);
FolderState referencesFolder = CreateFolder(root, "References", "References");
const string referencesPrefix = "References_";

Expand Down Expand Up @@ -657,6 +672,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region AccessRights
ResetRandomGenerator(15);
FolderState folderAccessRights = CreateFolder(root, "AccessRights", "AccessRights");
const string accessRights = "AccessRights_";

Expand Down Expand Up @@ -809,6 +825,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region NodeIds
ResetRandomGenerator(16);
FolderState nodeIdsFolder = CreateFolder(root, "NodeIds", "NodeIds");
const string nodeIds = "NodeIds_";

Expand All @@ -832,6 +849,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Methods
ResetRandomGenerator(17);
FolderState methodsFolder = CreateFolder(root, "Methods", "Methods");
const string methods = "Methods_";

Expand Down Expand Up @@ -1064,6 +1082,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Views
ResetRandomGenerator(18);
FolderState viewsFolder = CreateFolder(root, "Views", "Views");
const string views = "Views_";

Expand All @@ -1072,6 +1091,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Locales
ResetRandomGenerator(19);
FolderState localesFolder = CreateFolder(root, "Locales", "Locales");
const string locales = "Locales_";

Expand Down Expand Up @@ -1158,6 +1178,7 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
#endregion

#region Attributes
ResetRandomGenerator(20);
FolderState folderAttributes = CreateFolder(root, "Attributes", "Attributes");

#region AccessAll
Expand Down Expand Up @@ -1392,6 +1413,16 @@ public override void CreateAddressSpace(IDictionary<NodeId, IList<IReference>> e
variables.Add(allAccessUser1);
#endregion
#endregion

#region MyCompany
ResetRandomGenerator(21);
FolderState myCompanyFolder = CreateFolder(root, "MyCompany", "MyCompany");
const string myCompany = "MyCompany_";

BaseDataVariableState myCompanyInstructions = CreateVariable(myCompanyFolder, myCompany + "Instructions", "Instructions", DataTypeIds.String, ValueRanks.Scalar);
myCompanyInstructions.Value = "A place for the vendor to describe their address-space.";
variables.Add(myCompanyInstructions);
#endregion
}
catch (Exception e)
{
Expand Down Expand Up @@ -2586,13 +2617,16 @@ private ServiceResult OnOutputCall(
}
}

private void ResetRandomGenerator(int seed, int boundaryValueFrequency = 0)
{
m_randomSource = new RandomSource(seed);
m_generator = new DataGenerator(m_randomSource);
m_generator.BoundaryValueFrequency = boundaryValueFrequency;
}

private object GetNewValue(BaseVariableState variable)
{
if (m_generator == null)
{
m_generator = new Opc.Ua.Test.DataGenerator(null);
m_generator.BoundaryValueFrequency = 0;
}
ArgumentNullException.ThrowIfNull(m_generator);

object value = null;
int retryCount = 0;
Expand Down Expand Up @@ -2702,6 +2736,7 @@ protected override NodeState ValidateNode(
private UInt16 m_simulationInterval = 1000;
private bool m_simulationEnabled = true;
private List<BaseDataVariableState> m_dynamicNodes;
private RandomSource m_randomSource;
#endregion
}
}
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