/// <summary>
/// Add properties from VC component to component OPCUA node
/// </summary>
private void AddPropertyNodes(ComponentState uaComponentNode, VcComponent vcComponent)
{
foreach (IProperty vcProperty in vcComponent.component.Properties)
{
try
{
// Add signal node
BaseDataVariableState uaPropertyNode = CreateVariableNode(uaComponentNode.Properties, vcProperty.Name, VcProperty2OpcuaType[vcProperty.PropertyType]);
uaComponentNode.Properties.AddChild(uaPropertyNode);
// Store names in UaBrowseName2VcComponentName
UaBrowseName2VcComponentName.Add(uaPropertyNode.BrowseName.Name, vcComponent.component.Name);
uaPropertyNode.Value = vcProperty.Value;
// Subscribe to property changed events
vcProperty.PropertyChanged += vc_PropertyChanged;
uaPropertyNode.StateChanged += ua_PropertyChanged;
}
catch (Exception ex)
{
logger.Warn("Error adding property", ex);
}
}
}
/// <summary>
/// Returns a node tree with a component and all its signals
/// </summary>
private ComponentState CreateNodeTree(ISimComponent simComponent)
{
ComponentState componentNode = CreateComponentNode(simComponent.Name);
VcComponent vcComponent = new VcComponent(simComponent);
AddSignalNodes(componentNode, vcComponent);
AddPropertyNodes(componentNode, vcComponent);
return(componentNode);
}
/// <summary>
/// Add signals from VC component to component OPCUA node
/// </summary>
private void AddSignalNodes(ComponentState uaComponentNode, VcComponent vcComponent)
{
foreach (ISignal vcSignal in vcComponent.GetSignals())
{
// Add signal node
BaseDataVariableState uaSignalNode = CreateVariableNode(uaComponentNode.Signals, vcSignal.Name, VcSignal2OpcuaType[vcSignal.Type]);
uaComponentNode.Signals.AddChild(uaSignalNode);
// Store names in UaBrowseName2VcComponentName
UaBrowseName2VcComponentName.Add(uaSignalNode.BrowseName.Name, vcComponent.component.Name);
// Subscribe to signal triggered events
vcSignal.SignalTrigger += vc_SignalTriggered;
uaSignalNode.StateChanged += ua_SignalTriggered;
}
}
private void World_ComponentRemoving(object sender, ComponentRemovingEventArgs e)
{
NodeId componentId = NodeId.Create(e.Component.Name, Namespaces.vc2opcua, uaServer.NamespaceUris);
ComponentState componentNode = (ComponentState)nodeManager.FindPredefinedNode(componentId,
typeof(ComponentState));
if (componentNode != null)
{
nodeManager.RemoveNode(nodeManager.baseFolder, componentNode, ReferenceTypeIds.Organizes);
}
// Remove signals from SignalComponents property
VcComponent vcComponent = new VcComponent(e.Component);
foreach (ISignal signal in vcComponent.GetSignals())
{
string nodeNameParent = String.Format("{0}-{1}", signal.Name, vcComponent.component.Name);
UaBrowseName2VcComponentName.Remove(nodeNameParent);
}
_vcUtils.VcWriteWarningMsg("Component removed: " + e.Component.Name);
}