/// <summary>
/// Updates the base event.
/// </summary>
private void UpdateBaseEvent(BaseEventState instance, EventType eventType, ONEVENTSTRUCT e)
{
BinaryEncoder encoder = new BinaryEncoder(ServiceMessageContext.GlobalContext);
encoder.WriteString(null, e.szSource);
encoder.WriteString(null, e.szConditionName);
encoder.WriteInt32(null, e.ftActiveTime.dwHighDateTime);
encoder.WriteInt32(null, e.ftActiveTime.dwLowDateTime);
encoder.WriteInt32(null, e.dwCookie);
byte[] eventId = encoder.CloseAndReturnBuffer();
NodeId eventTypeId = AeParsedNodeId.Construct(e.dwEventType, e.dwEventCategory, e.szConditionName, m_namespaceIndex);
NodeId sourceNode = AeModelUtils.ConstructIdForSource(e.szSource, null, m_namespaceIndex);
string sourceName = e.szSource;
DateTime time = ComUtils.GetDateTime(e.ftTime);
DateTime receiveTime = DateTime.UtcNow;
LocalizedText message = e.szMessage;
ushort severity = (ushort)e.dwSeverity;
instance.TypeDefinitionId = eventTypeId;
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.EventId, eventId, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.EventType, eventTypeId, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.SourceNode, sourceNode, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.SourceName, sourceName, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Time, time, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.ReceiveTime, receiveTime, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Message, message, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Severity, severity, false);
}
/// <summary>
/// Initializes a new instance of the <see cref="AeAreaState"/> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="qualifiedName">The qualified name for the area.</param>
/// <param name="name">The name of the area.</param>
/// <param name="namespaceIndex">Index of the namespace.</param>
public AeAreaState(
ISystemContext context,
string qualifiedName,
string name,
ushort namespaceIndex)
:
base(null)
{
m_qualifiedName = qualifiedName;
this.SymbolicName = name;
this.TypeDefinitionId = Opc.Ua.ObjectTypeIds.FolderType;
this.NodeId = AeModelUtils.ConstructIdForArea(qualifiedName, namespaceIndex);
this.BrowseName = new QualifiedName(name, namespaceIndex);
this.DisplayName = this.BrowseName.Name;
this.Description = null;
this.WriteMask = 0;
this.UserWriteMask = 0;
this.EventNotifier = EventNotifiers.SubscribeToEvents;
}
/// <summary>
/// Initializes a new instance of the <see cref="AeSourceState"/> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="areaId">The area id.</param>
/// <param name="qualifiedName">The qualified name for the source.</param>
/// <param name="name">The name of the source.</param>
/// <param name="namespaceIndex">Index of the namespace.</param>
public AeSourceState(
ISystemContext context,
string areaId,
string qualifiedName,
string name,
ushort namespaceIndex)
:
base(null)
{
m_areaId = areaId;
m_qualifiedName = qualifiedName;
this.TypeDefinitionId = Opc.Ua.ObjectTypeIds.BaseObjectType;
this.NodeId = AeModelUtils.ConstructIdForSource(m_areaId, name, namespaceIndex);
this.BrowseName = new QualifiedName(name, namespaceIndex);
this.DisplayName = this.BrowseName.Name;
this.Description = null;
this.WriteMask = 0;
this.UserWriteMask = 0;
this.EventNotifier = EventNotifiers.None;
this.AddReference(ReferenceTypeIds.HasNotifier, true, AeModelUtils.ConstructIdForArea(m_areaId, namespaceIndex));
}
/// <summary>
/// Does any initialization required before the address space can be used.
/// </summary>
/// <remarks>
/// The externalReferences is an out parameter that allows the node manager to link to nodes
/// in other node managers. For example, the 'Objects' node is managed by the CoreNodeManager and
/// should have a reference to the root folder node(s) exposed by this node manager.
/// </remarks>
public override void CreateAddressSpace(IDictionary <NodeId, IList <IReference> > externalReferences)
{
lock (Lock)
{
// check if the type model needs to be loaded.
if (NamespaceIndexes.Length > 1)
{
LoadPredefinedNodes(SystemContext, externalReferences);
}
IList <IReference> references = null;
// create the root node.
string serverName = m_configuration.ServerName;
if (String.IsNullOrEmpty(serverName))
{
serverName = "ComAeServer";
}
AeAreaState root = new AeAreaState(SystemContext, String.Empty, serverName, NamespaceIndex);
root.AddReference(ReferenceTypeIds.Organizes, true, ObjectIds.ObjectsFolder);
// link root to objects folder.
if (!externalReferences.TryGetValue(ObjectIds.ObjectsFolder, out references))
{
externalReferences[ObjectIds.ObjectsFolder] = references = new List <IReference>();
}
references.Add(new NodeStateReference(ReferenceTypeIds.Organizes, false, root.NodeId));
// link root to server object.
if (!externalReferences.TryGetValue(ObjectIds.Server, out references))
{
externalReferences[ObjectIds.Server] = references = new List <IReference>();
}
references.Add(new NodeStateReference(ReferenceTypeIds.HasNotifier, false, root.NodeId));
// create the status node.
ComServerStatusState status = new ComServerStatusState(root);
status.ReferenceTypeId = ReferenceTypeIds.Organizes;
// get the type namepace for the browse name.
int typeNamepaceIndex = Server.NamespaceUris.GetIndex(Namespaces.ComInterop);
if (typeNamepaceIndex < 0)
{
typeNamepaceIndex = NamespaceIndex;
}
status.Create(
SystemContext,
AeModelUtils.ConstructIdForInternalNode("ServerStatus", NamespaceIndex),
new QualifiedName("ServerStatus", (ushort)typeNamepaceIndex),
null,
true);
root.AddChild(status);
// store root folder in the pre-defined nodes.
AddPredefinedNode(SystemContext, root);
AddRootNotifier(root);
// create the COM server.
m_system.Initialize(SystemContext, m_configuration, status, Lock, OnServerReconnected);
// create a template condition that can be used to initialize static metadata.
m_templateAlarm = new AlarmConditionState(null);
m_templateAlarm.SymbolicName = "TemplateAlarm";
m_templateAlarm.Create(
SystemContext,
null,
new QualifiedName(m_templateAlarm.SymbolicName, NamespaceIndex),
null,
false);
m_templateAlarm.Acknowledge.OnCall = OnAcknowledge;
StartMetadataUpdates(DoMetadataUpdate, null, 5000, m_configuration.MaxReconnectWait);
}
}
