/// <summary>
/// Processes a Publish response from the server.
/// </summary>
///
void ItemNotification(MonitoredItem monitoredItem, MonitoredItemNotificationEventArgs e)
{
if (InvokeRequired)
{
BeginInvoke(new MonitoredItemNotificationEventHandler(ItemNotification), monitoredItem, e);
return;
}
else if (!IsHandleCreated)
{
return;
}
try
{
if (monitoredItem != null)
{
string Key = monitoredItem.StartNodeId.Identifier.ToString() + "." + monitoredItem.RelativePath;
ListViewItem[] lvis = listView1.Items.Find(Key, true);
Opc.Ua.MonitoredItemNotification change = e.NotificationValue as Opc.Ua.MonitoredItemNotification;
if (change != null)
{
DataValue dv = change.Value;
if (lvis.Length == 1)
{
ListViewItem lvi = lvis[0];
int subindex = lvi.SubItems.IndexOfKey(Key);
ListViewItem.ListViewSubItem si = lvi.SubItems[subindex];
TypedMonitoredItem mi = si.Tag as TypedMonitoredItem;
if (mi != null)
{
if (mi.ClientHandle == monitoredItem.ClientHandle)
{
if (dv != null && dv.Value != null)
{
if (monitoredItem.Status.Id == StatusCodes.BadNodeIdUnknown)
{
// Randy said we would get this, but we don't
RemoveSessionItem(lvi, true);
}
else
{
si.Text = mi.ToString(dv);
}
}
else
{
// This is what we get
RemoveSessionItem(lvi, true);
}
}
else
{
Utils.Trace("(mi.ClientHandle != monitoredItem.ClientHandle " + MethodBase.GetCurrentMethod());
}
}
else
{
Utils.Trace("mi is null " + MethodBase.GetCurrentMethod());
}
}
else
{
Utils.Trace("lvis.Length != 1 " + MethodBase.GetCurrentMethod());
}
}
else
{
EventFieldList eventFields = e.NotificationValue as EventFieldList;
if (eventFields != null)
{
// get the event fields.
NodeId eventType = monitoredItem.GetFieldValue(eventFields, ObjectTypes.BaseEventType, BrowseNames.EventType) as NodeId;
string sourceName = monitoredItem.GetFieldValue(eventFields, ObjectTypes.BaseEventType, BrowseNames.SourceName) as string;
DateTime? time = monitoredItem.GetFieldValue(eventFields, ObjectTypes.BaseEventType, BrowseNames.Time) as DateTime?;
ushort? severity = monitoredItem.GetFieldValue(eventFields, ObjectTypes.BaseEventType, BrowseNames.Severity) as ushort?;
LocalizedText message = monitoredItem.GetFieldValue(eventFields, ObjectTypes.BaseEventType, BrowseNames.Message) as LocalizedText;
NodeId sourceNode = monitoredItem.GetFieldValue(eventFields, ObjectTypes.BaseEventType, BrowseNames.SourceNode) as NodeId;
//Utils.Trace("eventType: {0}, message: {1}, sourceName: {2} sourceNode: {3}", eventType.ToString(), message.Text.ToString(), sourceName.ToString(), sourceNode.ToString());
if (eventType == new NodeId(ObjectTypes.AuditActivateSessionEventType))
{
Utils.Trace("AuditActivateSessionEventType detected " + MethodBase.GetCurrentMethod());
AddSessions();
m_Subscription.ModifyItems();
m_Subscription.ApplyChanges();
}
}
else
{
Utils.Trace("eventFields is null " + MethodBase.GetCurrentMethod());
}
}
}
else
{
Utils.Trace("monitoredItem is null " + MethodBase.GetCurrentMethod());
}
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
/// <summary>
///
/// </summary>
private void AddSessions()
{
Browser browser = new Browser(m_Session);
browser.MaxReferencesReturned = 0;
browser.BrowseDirection = BrowseDirection.Forward;
browser.IncludeSubtypes = true;
browser.NodeClassMask = (int)NodeClass.Object;
browser.ContinueUntilDone = true;
NodeId browseid = new NodeId(Objects.Server_ServerDiagnostics_SessionsDiagnosticsSummary);
browser.ReferenceTypeId = null;
ReferenceDescriptionCollection refs = browser.Browse(browseid);
foreach(ReferenceDescription rf in refs)
{
if(m_Session.TypeTree.IsTypeOf(new ExpandedNodeId(rf.TypeDefinition), new ExpandedNodeId(ObjectTypes.SessionDiagnosticsObjectType)))
{
if(listView1.Items.IndexOfKey(rf.NodeId.ToString()) == -1)
{
ListViewItem lvi = listView1.Items.Add(rf.NodeId.ToString(), rf.DisplayName.Text.ToString(), -1);
lvi.Tag = rf.NodeId;
lvi.IndentCount = 0;
string SessionID = "SessionDiagnostics.SessionId";
string ClientName = "SessionDiagnostics.ClientName";
string ClientConnectionTime = "SessionDiagnostics.ClientConnectionTime";
ListViewItem.ListViewSubItem SessionIDSubItem = lvi.SubItems.Add("");
SessionIDSubItem.Name = rf.NodeId.Identifier.ToString() + "." + SessionID;
ListViewItem.ListViewSubItem ClientNameSubItem = lvi.SubItems.Add("");
ClientNameSubItem.Name = rf.NodeId.Identifier.ToString() + "." + ClientName;
ListViewItem.ListViewSubItem ClientConnectionTimeSubItem = lvi.SubItems.Add("");
ClientConnectionTimeSubItem.Name = rf.NodeId.Identifier.ToString() + "." + ClientConnectionTime;
MonitoredItem sessionItem = new MonitoredItem(m_Subscription.DefaultItem);
sessionItem.StartNodeId = (NodeId)rf.NodeId;
sessionItem.RelativePath = SessionID;
sessionItem.NodeClass = NodeClass.Object;
sessionItem.AttributeId = Attributes.Value;
m_Subscription.AddItem(sessionItem);
sessionItem.Notification += m_ItemNotification;
INode node = m_Session.NodeCache.Find(rf.NodeId);
TypedMonitoredItem SessionIDItem = new TypedMonitoredItem(m_Subscription.DefaultItem);
SessionIDItem.StartNodeId = (NodeId)rf.NodeId;
SessionIDItem.RelativePath = SessionID;
SessionIDItem.NodeClass = NodeClass.Variable;
SessionIDItem.AttributeId = Attributes.Value;
m_Subscription.AddItem(SessionIDItem);
SessionIDItem.Notification += m_ItemNotification;
SessionIDSubItem.Tag = SessionIDItem;
Utils.Trace("Adding: {0}, {1} as subitem in AddSessions()", SessionIDItem.StartNodeId.ToString(), SessionIDItem.RelativePath.ToString());
TypedMonitoredItem ClientNameItem = new TypedMonitoredItem(m_Subscription.DefaultItem);
ClientNameItem.StartNodeId = (NodeId)rf.NodeId;
ClientNameItem.RelativePath = ClientName;
ClientNameItem.NodeClass = NodeClass.Variable;
ClientNameItem.AttributeId = Attributes.Value;
m_Subscription.AddItem(ClientNameItem);
ClientNameItem.Notification += m_ItemNotification;
ClientNameSubItem.Tag = ClientNameItem;
Utils.Trace("Adding: {0}, {1} as subitem in AddSessions()", ClientNameItem.StartNodeId.ToString(), ClientNameItem.RelativePath.ToString());
DateTimeMonitoredItem ClientConnectionTimeItem = new DateTimeMonitoredItem(m_Subscription.DefaultItem);
ClientConnectionTimeItem.StartNodeId = (NodeId)rf.NodeId;
ClientConnectionTimeItem.RelativePath = ClientConnectionTime;
ClientConnectionTimeItem.NodeClass = NodeClass.Variable;
ClientConnectionTimeItem.AttributeId = Attributes.Value;
m_Subscription.AddItem(ClientConnectionTimeItem);
ClientConnectionTimeItem.Notification += m_ItemNotification;
ClientConnectionTimeSubItem.Tag = ClientConnectionTimeItem;
Utils.Trace("Adding: {0}, {1} as subitem in AddSessions()", ClientConnectionTimeItem.StartNodeId.ToString(), ClientConnectionTimeItem.RelativePath.ToString());
}
else
{
Utils.Trace("Key already exists in listview. rf.BrowseName: {0},rf.NodeId: {1}, rf.TypeDefinition: {2}", rf.BrowseName.ToString(), rf.NodeId.ToString(), rf.TypeDefinition.ToString());
}
}
else
{
Utils.Trace("Unknown Object rf.BrowseName: {0},rf.NodeId: {1}, rf.TypeDefinition: {2}", rf.BrowseName.ToString(), rf.NodeId.ToString(), rf.TypeDefinition.ToString());
}
}
}
/// <summary>
///
/// </summary>
private void AddSessions()
{
Browser browser = new Browser(m_Session);
browser.MaxReferencesReturned = 0;
browser.BrowseDirection = BrowseDirection.Forward;
browser.IncludeSubtypes = true;
browser.NodeClassMask = (int)NodeClass.Object;
browser.ContinueUntilDone = true;
NodeId browseid = new NodeId(Objects.Server_ServerDiagnostics_SessionsDiagnosticsSummary);
browser.ReferenceTypeId = null;
ReferenceDescriptionCollection refs = browser.Browse(browseid);
foreach (ReferenceDescription rf in refs)
{
if (m_Session.TypeTree.IsTypeOf(new ExpandedNodeId(rf.TypeDefinition), new ExpandedNodeId(ObjectTypes.SessionDiagnosticsObjectType)))
{
if (listView1.Items.IndexOfKey(rf.NodeId.ToString()) == -1)
{
ListViewItem lvi = listView1.Items.Add(rf.NodeId.ToString(), rf.DisplayName.Text.ToString(), -1);
lvi.Tag = rf.NodeId;
lvi.IndentCount = 0;
string SessionID = "SessionDiagnostics.SessionId";
string ClientName = "SessionDiagnostics.ClientName";
string ClientConnectionTime = "SessionDiagnostics.ClientConnectionTime";
ListViewItem.ListViewSubItem SessionIDSubItem = lvi.SubItems.Add("");
SessionIDSubItem.Name = rf.NodeId.Identifier.ToString() + "." + SessionID;
ListViewItem.ListViewSubItem ClientNameSubItem = lvi.SubItems.Add("");
ClientNameSubItem.Name = rf.NodeId.Identifier.ToString() + "." + ClientName;
ListViewItem.ListViewSubItem ClientConnectionTimeSubItem = lvi.SubItems.Add("");
ClientConnectionTimeSubItem.Name = rf.NodeId.Identifier.ToString() + "." + ClientConnectionTime;
MonitoredItem sessionItem = new MonitoredItem(m_Subscription.DefaultItem);
sessionItem.StartNodeId = (NodeId)rf.NodeId;
sessionItem.RelativePath = SessionID;
sessionItem.NodeClass = NodeClass.Object;
sessionItem.AttributeId = Attributes.Value;
m_Subscription.AddItem(sessionItem);
sessionItem.Notification += m_ItemNotification;
INode node = m_Session.NodeCache.Find(rf.NodeId);
TypedMonitoredItem SessionIDItem = new TypedMonitoredItem(m_Subscription.DefaultItem);
SessionIDItem.StartNodeId = (NodeId)rf.NodeId;
SessionIDItem.RelativePath = SessionID;
SessionIDItem.NodeClass = NodeClass.Variable;
SessionIDItem.AttributeId = Attributes.Value;
m_Subscription.AddItem(SessionIDItem);
SessionIDItem.Notification += m_ItemNotification;
SessionIDSubItem.Tag = SessionIDItem;
Utils.Trace("Adding: {0}, {1} as subitem in AddSessions()", SessionIDItem.StartNodeId.ToString(), SessionIDItem.RelativePath.ToString());
TypedMonitoredItem ClientNameItem = new TypedMonitoredItem(m_Subscription.DefaultItem);
ClientNameItem.StartNodeId = (NodeId)rf.NodeId;
ClientNameItem.RelativePath = ClientName;
ClientNameItem.NodeClass = NodeClass.Variable;
ClientNameItem.AttributeId = Attributes.Value;
m_Subscription.AddItem(ClientNameItem);
ClientNameItem.Notification += m_ItemNotification;
ClientNameSubItem.Tag = ClientNameItem;
Utils.Trace("Adding: {0}, {1} as subitem in AddSessions()", ClientNameItem.StartNodeId.ToString(), ClientNameItem.RelativePath.ToString());
DateTimeMonitoredItem ClientConnectionTimeItem = new DateTimeMonitoredItem(m_Subscription.DefaultItem);
ClientConnectionTimeItem.StartNodeId = (NodeId)rf.NodeId;
ClientConnectionTimeItem.RelativePath = ClientConnectionTime;
ClientConnectionTimeItem.NodeClass = NodeClass.Variable;
ClientConnectionTimeItem.AttributeId = Attributes.Value;
m_Subscription.AddItem(ClientConnectionTimeItem);
ClientConnectionTimeItem.Notification += m_ItemNotification;
ClientConnectionTimeSubItem.Tag = ClientConnectionTimeItem;
Utils.Trace("Adding: {0}, {1} as subitem in AddSessions()", ClientConnectionTimeItem.StartNodeId.ToString(), ClientConnectionTimeItem.RelativePath.ToString());
}
else
{
Utils.Trace("Key already exists in listview. rf.BrowseName: {0},rf.NodeId: {1}, rf.TypeDefinition: {2}", rf.BrowseName.ToString(), rf.NodeId.ToString(), rf.TypeDefinition.ToString());
}
}
else
{
Utils.Trace("Unknown Object rf.BrowseName: {0},rf.NodeId: {1}, rf.TypeDefinition: {2}", rf.BrowseName.ToString(), rf.NodeId.ToString(), rf.TypeDefinition.ToString());
}
}
}
