/// <summary>
/// Initializes the node manager.
/// </summary>
public TestDataNodeManager(Opc.Ua.Server.IServerInternal server, ApplicationConfiguration configuration)
:
base(server, configuration)
{
// update the namespaces.
List<string> namespaceUris = new List<string>();
namespaceUris.Add(Namespaces.TestData);
namespaceUris.Add(Namespaces.TestData + "/Instance");
NamespaceUris = namespaceUris;
// get the configuration for the node manager.
m_configuration = configuration.ParseExtension<TestDataNodeManagerConfiguration>();
// use suitable defaults if no configuration exists.
if (m_configuration == null)
{
m_configuration = new TestDataNodeManagerConfiguration();
}
m_lastUsedId = m_configuration.NextUnusedId-1;
// create the object used to access the test system.
m_system = new TestDataSystem(this, server.NamespaceUris, server.ServerUris);
// update the default context.
SystemContext.SystemHandle = m_system;
}
/// <summary>
/// Handles the generate values method.
/// </summary>
protected override ServiceResult OnGenerateValues(
ISystemContext context,
MethodState method,
NodeId objectId,
uint count)
{
TestDataSystem system = context.SystemHandle as TestDataSystem;
if (system == null)
{
return(StatusCodes.BadOutOfService);
}
GenerateValue(system, SByteValue);
GenerateValue(system, ByteValue);
GenerateValue(system, Int16Value);
GenerateValue(system, UInt16Value);
GenerateValue(system, Int32Value);
GenerateValue(system, UInt32Value);
GenerateValue(system, UInt32Value);
GenerateValue(system, Int64Value);
GenerateValue(system, UInt64Value);
GenerateValue(system, FloatValue);
GenerateValue(system, DoubleValue);
GenerateValue(system, NumberValue);
GenerateValue(system, IntegerValue);
GenerateValue(system, UIntegerValue);
return(base.OnGenerateValues(context, method, objectId, count));
}
/// <summary>
/// Initializes the node manager.
/// </summary>
public TestDataNodeManager(IServerInternal server, ApplicationConfiguration configuration)
:
base(server, configuration)
{
// update the namespaces.
var namespaceUris = new List <string> {
Namespaces.TestData,
Namespaces.TestData + "/Instance"
};
NamespaceUris = namespaceUris;
// get the configuration for the node manager.
_configuration = configuration.ParseExtension <TestDataNodeManagerConfiguration>();
// use suitable defaults if no configuration exists.
if (_configuration == null)
{
_configuration = new TestDataNodeManagerConfiguration();
}
_lastUsedId = _configuration.NextUnusedId - 1;
// create the object used to access the test system.
_system = new TestDataSystem(this, server.NamespaceUris, server.ServerUris);
// update the default context.
SystemContext.SystemHandle = _system;
}
/// <summary>
/// Initializes the node manager.
/// </summary>
public TestDataNodeManager(Opc.Ua.Server.IServerInternal server, ApplicationConfiguration configuration)
:
base(server, configuration)
{
// update the namespaces.
List <string> namespaceUris = new List <string>();
namespaceUris.Add(Namespaces.TestData);
namespaceUris.Add(Namespaces.TestData + "Instance");
NamespaceUris = namespaceUris;
Server.Factory.AddEncodeableTypes(typeof(TestDataNodeManager).Assembly.GetExportedTypes().Where(t => t.FullName.StartsWith(typeof(TestDataNodeManager).Namespace)));
// get the configuration for the node manager.
m_configuration = configuration.ParseExtension <TestDataNodeManagerConfiguration>();
// use suitable defaults if no configuration exists.
if (m_configuration == null)
{
m_configuration = new TestDataNodeManagerConfiguration();
}
m_lastUsedId = m_configuration.NextUnusedId - 1;
// create the object used to access the test system.
m_system = new TestDataSystem(this, server.NamespaceUris, server.ServerUris);
// update the default context.
SystemContext.SystemHandle = m_system;
}
/// <summary>
/// Generates a new value each time the value is read.
/// </summary>
private ServiceResult DoDeviceRead(
ISystemContext context,
NodeState node,
NumericRange indexRange,
QualifiedName dataEncoding,
ref object value,
ref StatusCode statusCode,
ref DateTime timestamp)
{
BaseVariableState variable = node as BaseVariableState;
if (variable == null)
{
return(ServiceResult.Good);
}
if (!SimulationActive.Value)
{
return(ServiceResult.Good);
}
TestDataSystem system = context.SystemHandle as TestDataSystem;
if (system == null)
{
return(StatusCodes.BadOutOfService);
}
try
{
value = system.ReadValue(variable);
statusCode = StatusCodes.Good;
timestamp = DateTime.UtcNow;
ServiceResult error = BaseVariableState.ApplyIndexRangeAndDataEncoding(
context,
indexRange,
dataEncoding,
ref value);
if (ServiceResult.IsBad(error))
{
statusCode = error.StatusCode;
}
return(ServiceResult.Good);
}
catch (Exception e)
{
return(new ServiceResult(e));
}
}
/// <summary>
/// Reads the value for the MonitoredNodeCount.
/// </summary>
protected virtual ServiceResult OnReadMonitoredNodeCount(
ISystemContext context,
NodeState node,
ref object value)
{
TestDataSystem system = context.SystemHandle as TestDataSystem;
if (system == null)
{
return(StatusCodes.BadOutOfService);
}
value = system.MonitoredNodeCount;
return(ServiceResult.Good);
}
/// <summary>
/// Handles the generate values method.
/// </summary>
protected override ServiceResult OnGenerateValues(
ISystemContext context,
MethodState method,
NodeId objectId,
uint count)
{
TestDataSystem system = context.SystemHandle as TestDataSystem;
if (system == null)
{
return(StatusCodes.BadOutOfService);
}
GenerateValue(system, BooleanValue);
GenerateValue(system, SByteValue);
GenerateValue(system, ByteValue);
GenerateValue(system, Int16Value);
GenerateValue(system, UInt16Value);
GenerateValue(system, Int32Value);
GenerateValue(system, UInt32Value);
GenerateValue(system, UInt32Value);
GenerateValue(system, Int64Value);
GenerateValue(system, UInt64Value);
GenerateValue(system, FloatValue);
GenerateValue(system, DoubleValue);
GenerateValue(system, StringValue);
GenerateValue(system, DateTimeValue);
GenerateValue(system, GuidValue);
GenerateValue(system, ByteStringValue);
GenerateValue(system, XmlElementValue);
GenerateValue(system, NodeIdValue);
GenerateValue(system, ExpandedNodeIdValue);
GenerateValue(system, QualifiedNameValue);
GenerateValue(system, LocalizedTextValue);
GenerateValue(system, StatusCodeValue);
GenerateValue(system, VariantValue);
GenerateValue(system, EnumerationValue);
GenerateValue(system, StructureValue);
GenerateValue(system, NumberValue);
GenerateValue(system, IntegerValue);
GenerateValue(system, UIntegerValue);
return(base.OnGenerateValues(context, method, objectId, count));
}
/// <summary>
/// Initialzies the variable as a counter.
/// </summary>
protected void InitializeVariable(ISystemContext context, BaseVariableState variable, uint numericId)
{
variable.NumericId = numericId;
// provide an implementation that produces a random value on each read.
if (SimulationActive.Value)
{
variable.OnReadValue = DoDeviceRead;
}
// set a valid initial value.
TestDataSystem system = context.SystemHandle as TestDataSystem;
if (system != null)
{
GenerateValue(system, variable);
}
// allow writes if the simulation is not active.
if (!SimulationActive.Value)
{
variable.AccessLevel = variable.UserAccessLevel = AccessLevels.CurrentReadOrWrite;
}
// set the EU range.
BaseVariableState euRange = variable.FindChild(context, Opc.Ua.BrowseNames.EURange) as BaseVariableState;
if (euRange != null)
{
if (context.TypeTable.IsTypeOf(variable.DataType, Opc.Ua.DataTypeIds.UInteger))
{
euRange.Value = new Range(250, 50);
}
else
{
euRange.Value = new Range(100, -100);
}
}
variable.OnSimpleWriteValue = OnWriteAnalogValue;
}
/// <summary>
/// Generates a new value for the variable.
/// </summary>
protected void GenerateValue(TestDataSystem system, BaseVariableState variable)
{
variable.Value = system.ReadValue(variable);
variable.Timestamp = DateTime.UtcNow;
variable.StatusCode = StatusCodes.Good;
}
/// <summary>
/// Generates a new value for the variable.
/// </summary>
protected void GenerateValue(TestDataSystem system, BaseVariableState variable)
{
variable.Value = system.ReadValue(variable);
variable.Timestamp = DateTime.UtcNow;
variable.StatusCode = StatusCodes.Good;
}