private void ShowEndpointDescriptions(List <EndpointDescription> endpoints)
{
EndpointsTable.Rows.Clear();
bool headerSet = false;
foreach (EndpointDescription endpoint in endpoints)
{
if (!headerSet)
{
ApplicationNameTextBox.Text = (LocalizedText.IsNullOrEmpty(endpoint.Server.ApplicationName)) ? "---" : endpoint.Server.ApplicationName.Text;
ApplicationTypeTextBox.Text = endpoint.Server.ApplicationType.ToString();
ApplicationUriTextBox.Text = endpoint.Server.ApplicationUri;
ProductUriTextBox.Text = endpoint.Server.ProductUri;
headerSet = true;
}
DataRow row = EndpointsTable.NewRow();
row[0] = endpoint.EndpointUrl;
row[1] = endpoint.SecurityMode.ToString();
row[2] = SecurityPolicies.GetDisplayName(endpoint.SecurityPolicyUri);
row[3] = endpoint;
EndpointsTable.Rows.Add(row);
}
m_dataset.AcceptChanges();
foreach (DataGridViewRow row in EndpointsGridView.Rows)
{
row.Selected = false;
}
}
/// <summary>
/// Translates a service result.
/// </summary>
public ServiceResult Translate(IList <string> preferredLocales, ServiceResult result)
{
if (result == null)
{
return(null);
}
// translate localized text.
LocalizedText translatedText = result.LocalizedText;
if (LocalizedText.IsNullOrEmpty(result.LocalizedText))
{
// extract any additional arguments from the translation info.
object[] args = null;
if (result.LocalizedText != null && result.LocalizedText.TranslationInfo != null)
{
TranslationInfo info = result.LocalizedText.TranslationInfo;
if (info != null && info.Args != null && info.Args.Length > 0)
{
args = info.Args;
}
}
if (!String.IsNullOrEmpty(result.SymbolicId))
{
translatedText =
TranslateSymbolicId(preferredLocales, result.SymbolicId, result.NamespaceUri, args);
}
else
{
translatedText = TranslateStatusCode(preferredLocales, result.StatusCode, args);
}
}
else
{
if (preferredLocales == null || preferredLocales.Count == 0)
{
return(result);
}
translatedText = Translate(preferredLocales, result.LocalizedText);
}
// construct new service result.
ServiceResult translatedResult = new ServiceResult(
result.StatusCode,
result.SymbolicId,
result.NamespaceUri,
translatedText,
result.AdditionalInfo,
Translate(preferredLocales, result.InnerResult));
return(translatedResult);
}
private void ShowApplicationDescriptions(TreeNodeCollection nodes)
{
ServersTable.Rows.Clear();
foreach (TreeNode node in nodes)
{
ApplicationDescription server = node.Tag as ApplicationDescription;
if (server == null)
{
continue;
}
DataRow row = ServersTable.NewRow();
row[0] = (LocalizedText.IsNullOrEmpty(server.ApplicationName)) ? "" : server.ApplicationName.Text;
row[1] = server.ApplicationType.ToString();
StringBuilder buffer = new StringBuilder();
if (server.DiscoveryUrls != null)
{
foreach (var url in server.DiscoveryUrls)
{
if (buffer.Length > 0)
{
buffer.Append(", ");
}
buffer.Append(url);
}
}
row[2] = buffer.ToString();
row[3] = null;
row[4] = server;
ServersTable.Rows.Add(row);
}
m_dataset.AcceptChanges();
foreach (DataGridViewRow row in ServersGridView.Rows)
{
row.Selected = false;
}
}
/// <summary>
/// Displays the references in the control.
/// </summary>
private void DisplayReferences(Session session, List <ReferenceDescription> references)
{
ReferencesLV.Items.Clear();
for (int ii = 0; ii < references.Count; ii++)
{
ReferenceDescription reference = references[ii];
string referenceType = null;
// look up the name for the reference
IReferenceType referenceTypeNode = session.NodeCache.Find(reference.ReferenceTypeId) as IReferenceType;
if (referenceTypeNode != null)
{
referenceType = referenceTypeNode.DisplayName.Text;
if (!reference.IsForward && !LocalizedText.IsNullOrEmpty(referenceTypeNode.InverseName))
{
referenceType = referenceTypeNode.InverseName.Text;
}
}
// the node cache is used to store the type model so it can be accessed locally.
string typeDefinition = session.NodeCache.GetDisplayText(reference.TypeDefinition);
ListViewItem item = new ListViewItem(referenceType);
// the ToString() operator on the ReferenceDescription returns the target name.
item.SubItems.Add(reference.ToString());
item.SubItems.Add(reference.NodeClass.ToString());
item.SubItems.Add(typeDefinition);
item.Tag = reference;
ReferencesLV.Items.Add(item);
}
// auto size the columns.
for (int ii = 0; ii < ReferencesLV.Columns.Count; ii++)
{
ReferencesLV.Columns[ii].Width = -2;
}
}
/// <inheritdoc/>
public void WriteLocalizedText(string property, LocalizedText value)
{
if (LocalizedText.IsNullOrEmpty(value))
{
WriteNull(property);
}
else if (UseReversibleEncoding || value.Locale != null)
{
PushObject(property);
WriteString("Text", value.Text);
if (!string.IsNullOrEmpty(value.Locale))
{
WriteString("Locale", value.Locale);
}
PopObject();
}
else
{
WriteString(property, value.Text);
}
}
/// <summary>
/// Updates the EUInfo for the items.
/// </summary>
/// <param name="group">The group.</param>
/// <param name="items">The items. Null entries are ignored.</param>
public void UpdateItemEuInfo(
ComDaGroup group,
IList <ComDaGroupItem> items)
{
// get the session to use for the operation.
Session session = m_session;
if (session == null)
{
throw ComUtils.CreateComException(ResultIds.E_FAIL);
}
// build list of properties that need to be read.
BrowsePathCollection browsePaths = new BrowsePathCollection();
for (int ii = 0; ii < items.Count; ii++)
{
ComDaGroupItem item = (ComDaGroupItem)items[ii];
// ignore invalid items or items which have already checked their EU type.
if (item == null || item.EuType >= 0)
{
continue;
}
BrowsePath browsePath = new BrowsePath();
browsePath.StartingNode = item.NodeId;
RelativePathElement element = new RelativePathElement();
element.ReferenceTypeId = ReferenceTypeIds.HasProperty;
element.IsInverse = false;
element.IncludeSubtypes = false;
element.TargetName = Opc.Ua.BrowseNames.EURange;
browsePath.RelativePath.Elements.Add(element);
browsePath.Handle = item;
browsePaths.Add(browsePath);
browsePath = new BrowsePath();
browsePath.StartingNode = item.NodeId;
element = new RelativePathElement();
element.ReferenceTypeId = ReferenceTypeIds.HasProperty;
element.IsInverse = false;
element.IncludeSubtypes = false;
element.TargetName = Opc.Ua.BrowseNames.EnumStrings;
browsePath.RelativePath.Elements.Add(element);
browsePath.Handle = item;
browsePaths.Add(browsePath);
}
// check if nothing to do.
if (browsePaths.Count == 0)
{
return;
}
// translate browse paths.
BrowsePathResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
try
{
session.TranslateBrowsePathsToNodeIds(
null,
browsePaths,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, browsePaths);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, browsePaths);
}
catch (Exception)
{
for (int ii = 0; ii < browsePaths.Count; ii++)
{
ComDaGroupItem item = (ComDaGroupItem)browsePaths[ii].Handle;
item.EuType = 0;
}
return;
}
// build list of properties that need to be read.
ReadValueIdCollection propertiesToRead = new ReadValueIdCollection();
for (int ii = 0; ii < results.Count; ii++)
{
ComDaGroupItem item = (ComDaGroupItem)browsePaths[ii].Handle;
BrowsePathResult result = results[ii];
if (StatusCode.IsBad(result.StatusCode))
{
if (item.EuType < 0 && result.StatusCode == StatusCodes.BadNoMatch)
{
item.EuType = (int)OpcRcw.Da.OPCEUTYPE.OPC_NOENUM;
}
continue;
}
if (result.Targets.Count == 0 || result.Targets[0].TargetId.IsAbsolute)
{
if (item.EuType < 0)
{
item.EuType = (int)OpcRcw.Da.OPCEUTYPE.OPC_NOENUM;
}
continue;
}
ReadValueId propertyToRead = new ReadValueId();
propertyToRead.NodeId = (NodeId)result.Targets[0].TargetId;
propertyToRead.AttributeId = Attributes.Value;
propertyToRead.Handle = item;
propertiesToRead.Add(propertyToRead);
if (browsePaths[ii].RelativePath.Elements[0].TargetName.Name == Opc.Ua.BrowseNames.EURange)
{
item.EuType = (int)OpcRcw.Da.OPCEUTYPE.OPC_ANALOG;
}
else
{
item.EuType = (int)OpcRcw.Da.OPCEUTYPE.OPC_ENUMERATED;
}
}
// check if nothing to do.
if (propertiesToRead.Count == 0)
{
return;
}
// read attribute values from the server.
DataValueCollection values = null;
try
{
session.Read(
null,
0,
TimestampsToReturn.Neither,
propertiesToRead,
out values,
out diagnosticInfos);
ClientBase.ValidateResponse(values, propertiesToRead);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, propertiesToRead);
}
catch (Exception)
{
for (int ii = 0; ii < propertiesToRead.Count; ii++)
{
ComDaGroupItem item = (ComDaGroupItem)propertiesToRead[ii].Handle;
item.EuType = 0;
}
return;
}
// process results.
for (int ii = 0; ii < values.Count; ii++)
{
ComDaGroupItem item = (ComDaGroupItem)propertiesToRead[ii].Handle;
if (StatusCode.IsBad(values[ii].StatusCode))
{
item.EuType = 0;
continue;
}
if (item.EuType == (int)OpcRcw.Da.OPCEUTYPE.OPC_ANALOG)
{
Range range = (Range)values[ii].GetValue <Range>(null);
if (range == null)
{
item.EuType = 0;
continue;
}
item.EuInfo = new double[] { range.Low, range.High };
continue;
}
if (item.EuType == (int)OpcRcw.Da.OPCEUTYPE.OPC_ENUMERATED)
{
LocalizedText[] texts = (LocalizedText[])values[ii].GetValue <LocalizedText[]>(null);
if (texts == null)
{
item.EuType = 0;
continue;
}
string[] strings = new string[texts.Length];
for (int jj = 0; jj < strings.Length; jj++)
{
if (!LocalizedText.IsNullOrEmpty(texts[jj]))
{
strings[jj] = texts[jj].Text;
}
}
item.EuInfo = strings;
continue;
}
}
}
/// <summary>
/// Collects the fields for the instance node.
/// </summary>
private static void CollectInstanceDeclarations(
Session session,
NodeId typeId,
InstanceDeclaration parent,
List <InstanceDeclaration> instances,
IDictionary <string, InstanceDeclaration> map)
{
// find the children.
BrowseDescription nodeToBrowse = new BrowseDescription();
if (parent == null)
{
nodeToBrowse.NodeId = typeId;
}
else
{
nodeToBrowse.NodeId = parent.NodeId;
}
nodeToBrowse.BrowseDirection = BrowseDirection.Forward;
nodeToBrowse.ReferenceTypeId = ReferenceTypeIds.HasChild;
nodeToBrowse.IncludeSubtypes = true;
nodeToBrowse.NodeClassMask = (uint)(NodeClass.Object | NodeClass.Variable | NodeClass.Method);
nodeToBrowse.ResultMask = (uint)BrowseResultMask.All;
// ignore any browsing errors.
ReferenceDescriptionCollection references = ClientUtils.Browse(session, nodeToBrowse, false);
if (references == null)
{
return;
}
// process the children.
List <NodeId> nodeIds = new List <NodeId>();
List <InstanceDeclaration> children = new List <InstanceDeclaration>();
for (int ii = 0; ii < references.Count; ii++)
{
ReferenceDescription reference = references[ii];
if (reference.NodeId.IsAbsolute)
{
continue;
}
// create a new declaration.
InstanceDeclaration child = new InstanceDeclaration();
child.RootTypeId = typeId;
child.NodeId = (NodeId)reference.NodeId;
child.BrowseName = reference.BrowseName;
child.NodeClass = reference.NodeClass;
if (!LocalizedText.IsNullOrEmpty(reference.DisplayName))
{
child.DisplayName = reference.DisplayName.Text;
}
else
{
child.DisplayName = reference.BrowseName.Name;
}
if (parent != null)
{
child.BrowsePath = new QualifiedNameCollection(parent.BrowsePath);
child.BrowsePathDisplayText = Utils.Format("{0}/{1}", parent.BrowsePathDisplayText, reference.BrowseName);
child.DisplayPath = Utils.Format("{0}/{1}", parent.DisplayPath, reference.DisplayName);
}
else
{
child.BrowsePath = new QualifiedNameCollection();
child.BrowsePathDisplayText = Utils.Format("{0}", reference.BrowseName);
child.DisplayPath = Utils.Format("{0}", reference.DisplayName);
}
child.BrowsePath.Add(reference.BrowseName);
// check if reading an overridden declaration.
InstanceDeclaration overriden = null;
if (map.TryGetValue(child.BrowsePathDisplayText, out overriden))
{
child.OverriddenDeclaration = overriden;
}
map[child.BrowsePathDisplayText] = child;
// add to list.
children.Add(child);
nodeIds.Add(child.NodeId);
}
// check if nothing more to do.
if (children.Count == 0)
{
return;
}
// find the modelling rules.
List <NodeId> modellingRules = FindTargetOfReference(session, nodeIds, Opc.Ua.ReferenceTypeIds.HasModellingRule, false);
if (modellingRules != null)
{
for (int ii = 0; ii < nodeIds.Count; ii++)
{
children[ii].ModellingRule = modellingRules[ii];
// if the modelling rule is null then the instance is not part of the type declaration.
if (NodeId.IsNull(modellingRules[ii]))
{
map.Remove(children[ii].BrowsePathDisplayText);
}
}
}
// update the descriptions.
UpdateInstanceDescriptions(session, children, false);
// recusively collect instance declarations for the tree below.
for (int ii = 0; ii < children.Count; ii++)
{
if (!NodeId.IsNull(children[ii].ModellingRule))
{
instances.Add(children[ii]);
CollectInstanceDeclarations(session, typeId, children[ii], instances, map);
}
}
}
public virtual NodeId RegisterApplication(
ApplicationRecordDataType application
)
{
if (application == null)
{
throw new ArgumentNullException(nameof(application));
}
if (application.ApplicationUri == null)
{
throw new ArgumentNullException("ApplicationUri");
}
if (!Uri.IsWellFormedUriString(application.ApplicationUri, UriKind.Absolute))
{
throw new ArgumentException(application.ApplicationUri + " is not a valid URI.", "ApplicationUri");
}
if (application.ApplicationType < ApplicationType.Server || application.ApplicationType > ApplicationType.DiscoveryServer)
{
throw new ArgumentException(application.ApplicationType.ToString() + " is not a valid ApplicationType.", "ApplicationType");
}
if (application.ApplicationNames == null || application.ApplicationNames.Count == 0 || LocalizedText.IsNullOrEmpty(application.ApplicationNames[0]))
{
throw new ArgumentException("At least one ApplicationName must be provided.", "ApplicationNames");
}
if (String.IsNullOrEmpty(application.ProductUri))
{
throw new ArgumentException("A ProductUri must be provided.", "ProductUri");
}
if (!Uri.IsWellFormedUriString(application.ProductUri, UriKind.Absolute))
{
throw new ArgumentException(application.ProductUri + " is not a valid URI.", "ProductUri");
}
if (application.DiscoveryUrls != null)
{
foreach (var discoveryUrl in application.DiscoveryUrls)
{
if (String.IsNullOrEmpty(discoveryUrl))
{
continue;
}
if (!Uri.IsWellFormedUriString(discoveryUrl, UriKind.Absolute))
{
throw new ArgumentException(discoveryUrl + " is not a valid URL.", "DiscoveryUrls");
}
}
}
if (application.ApplicationType != ApplicationType.Client)
{
if (application.DiscoveryUrls == null || application.DiscoveryUrls.Count == 0)
{
throw new ArgumentException("At least one DiscoveryUrl must be provided.", "DiscoveryUrls");
}
if (application.ServerCapabilities == null || application.ServerCapabilities.Count == 0)
{
application.ServerCapabilities = new StringCollection()
{
"NA"
};
}
}
else
{
if (application.DiscoveryUrls != null && application.DiscoveryUrls.Count > 0)
{
throw new ArgumentException("DiscoveryUrls must not be specified for clients.", "DiscoveryUrls");
}
}
NodeId nodeId = new NodeId();
if (!NodeId.IsNull(application.ApplicationId))
{
// verify node integrity
switch (application.ApplicationId.IdType)
{
case IdType.Guid:
nodeId = new NodeId((Guid)application.ApplicationId.Identifier, NamespaceIndex);
break;
case IdType.String:
nodeId = new NodeId((string)application.ApplicationId.Identifier, NamespaceIndex);
break;
default:
throw new ArgumentException("The ApplicationId has invalid type {0}", application.ApplicationId.ToString());
}
}
return(nodeId);
}
public ApplicationRecordDataType ShowDialog(IWin32Window owner, IList <ApplicationRecordDataType> records, NodeId defaultRecord)
{
ApplicationsTable.Rows.Clear();
DataRow selectedRow = null;
if (records != null)
{
foreach (var record in records)
{
DataRow row = ApplicationsTable.NewRow();
if (selectedRow == null && defaultRecord != null)
{
if (defaultRecord == record.ApplicationId)
{
selectedRow = row;
}
}
row[0] = record.ApplicationId;
row[1] = (record.ApplicationNames != null && record.ApplicationNames.Count > 0 && !LocalizedText.IsNullOrEmpty(record.ApplicationNames[0]))?record.ApplicationNames[0].Text:String.Empty;
row[2] = record.ApplicationType;
row[3] = record.ProductUri;
StringBuilder buffer = new StringBuilder();
if (record.DiscoveryUrls != null)
{
foreach (var url in record.DiscoveryUrls)
{
if (buffer.Length > 0)
{
buffer.Append(',');
}
buffer.Append(url);
}
}
row[4] = buffer.ToString();
buffer = new StringBuilder();
if (record.ServerCapabilities != null)
{
foreach (var id in record.ServerCapabilities)
{
if (buffer.Length > 0)
{
buffer.Append(',');
}
buffer.Append(id);
}
}
row[5] = buffer.ToString();
row[6] = record;
ApplicationsTable.Rows.Add(row);
}
m_dataset.AcceptChanges();
}
if (selectedRow != null)
{
foreach (DataGridViewRow row in ApplicationRecordDataGridView.Rows)
{
DataRowView source = row.DataBoundItem as DataRowView;
if (Object.ReferenceEquals(source.Row, selectedRow))
{
row.Selected = true;
break;
}
}
}
if (base.ShowDialog(owner) != DialogResult.OK)
{
return(null);
}
if (ApplicationRecordDataGridView.SelectedRows.Count > 0)
{
DataRowView source = ApplicationRecordDataGridView.SelectedRows[0].DataBoundItem as DataRowView;
return((ApplicationRecordDataType)source.Row[6]);
}
return(null);
}
private void DiscoveryTreeView_AfterSelect(object sender, TreeViewEventArgs e)
{
try
{
if (RootFolders.LocalMachine.Equals(e.Node.Tag))
{
ServersTable.Rows.Clear();
ShowPanel(true);
if (e.Node.Nodes.Count == 1 && String.IsNullOrEmpty(e.Node.Nodes[0].Text))
{
e.Node.Nodes.Clear();
m_lds.BeginFindServers(
OnFindServersComplete,
new ExpandNodeData()
{
Parent = e.Node, Lds = m_lds
});
}
else
{
ShowApplicationDescriptions(e.Node.Nodes);
}
return;
}
if (RootFolders.LocalNetwork.Equals(e.Node.Tag))
{
ServersTable.Rows.Clear();
ShowPanel(true);
if (e.Node.Nodes.Count == 1 && String.IsNullOrEmpty(e.Node.Nodes[0].Text))
{
e.Node.Nodes.Clear();
m_lds.BeginFindServersOnNetwork(
0,
1000,
OnFindServersOnNetworkComplete,
new ExpandNodeData()
{
Parent = e.Node, Lds = m_lds
});
}
else
{
ShowServerOnNetworks(e.Node.Nodes);
}
return;
}
if (RootFolders.GlobalDiscovery.Equals(e.Node.Tag))
{
ServersTable.Rows.Clear();
ShowPanel(true);
if (e.Node.Nodes.Count == 1 && String.IsNullOrEmpty(e.Node.Nodes[0].Text))
{
e.Node.Nodes.Clear();
var servers = new ViewServersOnNetworkDialog(m_gds).ShowDialog(this, ref m_filters);
if (servers != null)
{
foreach (var server in servers)
{
TreeNode node = new TreeNode(String.Format("{0}", server.ServerName));
node.SelectedImageIndex = node.ImageIndex = ImageIndex.Server;
node.Tag = server;
node.Nodes.Add(new TreeNode());
e.Node.Nodes.Add(node);
}
}
}
ShowServerOnNetworks(e.Node.Nodes);
return;
}
if (RootFolders.CustomDiscovery.Equals(e.Node.Tag))
{
ServersTable.Rows.Clear();
ShowPanel(true);
return;
}
if (e.Node.Tag is ApplicationDescription)
{
EndpointsTable.Rows.Clear();
ShowPanel(false);
ApplicationDescription application = (ApplicationDescription)e.Node.Tag;
ApplicationNameTextBox.Text = (LocalizedText.IsNullOrEmpty(application.ApplicationName))?"---":application.ApplicationName.Text;
ApplicationTypeTextBox.Text = application.ApplicationType.ToString();
ApplicationUriTextBox.Text = application.ApplicationUri;
ProductUriTextBox.Text = application.ProductUri;
string discoveryUrl = SelectDiscoveryUrl(application);
if (discoveryUrl != null)
{
m_lds.BeginGetEndpoints(
discoveryUrl,
null,
OnGetEndpointsComplete,
new GetEndpointsData()
{
Parent = e.Node, Lds = m_lds
});
}
}
if (e.Node.Tag is ServerOnNetwork)
{
EndpointsTable.Rows.Clear();
ShowPanel(false);
ServerOnNetwork server = (ServerOnNetwork)e.Node.Tag;
ApplicationNameTextBox.Text = server.ServerName;
ApplicationTypeTextBox.Text = "---";
ApplicationUriTextBox.Text = "---";
ProductUriTextBox.Text = "---";
try
{
Cursor = Cursors.WaitCursor;
m_lds.BeginGetEndpoints(
server.DiscoveryUrl,
null,
OnGetEndpointsComplete,
new GetEndpointsData()
{
Parent = e.Node, Lds = m_lds
});
}
finally
{
Cursor = Cursors.Default;
}
}
if (e.Node.Tag is ConfiguredEndpoint)
{
EndpointsTable.Rows.Clear();
ShowPanel(false);
ConfiguredEndpoint server = (ConfiguredEndpoint)e.Node.Tag;
ApplicationNameTextBox.Text = "---";
ApplicationTypeTextBox.Text = "---";
ApplicationUriTextBox.Text = "---";
ProductUriTextBox.Text = "---";
m_lds.BeginGetEndpoints(
server.EndpointUrl.ToString(),
null,
OnGetEndpointsComplete,
new GetEndpointsData()
{
Parent = e.Node, Lds = m_lds
});
}
}
catch (Exception ex)
{
Opc.Ua.Client.Controls.ExceptionDlg.Show(Text, ex);
}
}
/// <summary>
/// Recursively populates the event types table.
/// </summary>
private void IndexTypesFromServer(NodeId baseTypeId, int eventType)
{
// check if event type needs to be revised.
if (baseTypeId == Opc.Ua.ObjectTypeIds.ConditionType)
{
eventType = OpcRcw.Ae.Constants.CONDITION_EVENT;
}
else if (baseTypeId == Opc.Ua.ObjectTypeIds.AuditEventType)
{
eventType = OpcRcw.Ae.Constants.TRACKING_EVENT;
}
else if (baseTypeId == Opc.Ua.ObjectTypeIds.BaseEventType)
{
eventType = OpcRcw.Ae.Constants.SIMPLE_EVENT;
}
// browse for subtypes.
BrowseDescription nodeToBrowse = new BrowseDescription();
nodeToBrowse.NodeId = baseTypeId;
nodeToBrowse.BrowseDirection = BrowseDirection.Forward;
nodeToBrowse.ReferenceTypeId = Opc.Ua.ReferenceTypeIds.HasSubtype;
nodeToBrowse.IncludeSubtypes = false;
nodeToBrowse.NodeClassMask = (uint)NodeClass.ObjectType;
nodeToBrowse.ResultMask = (uint)(BrowseResultMask.BrowseName | BrowseResultMask.DisplayName | BrowseResultMask.NodeClass);
ReferenceDescriptionCollection references = ComAeUtils.Browse(
m_session,
nodeToBrowse,
false);
for (int ii = 0; ii < references.Count; ii++)
{
// these types have t
if (references[ii].NodeId.IsAbsolute)
{
continue;
}
NodeId typeId = (NodeId)references[ii].NodeId;
if (!m_eventTypes.ContainsKey(typeId))
{
// collection the instances declared by the type.
List <AeEventAttribute> declarations = new List <AeEventAttribute>();
Dictionary <string, AeEventAttribute> map = new Dictionary <string, AeEventAttribute>();
ComAeUtils.CollectInstanceDeclarations(
m_session,
this,
(NodeId)references[ii].NodeId,
null,
declarations,
map);
AeEventCategory declaration = new AeEventCategory();
declaration.TypeId = (NodeId)references[ii].NodeId;
declaration.SuperTypeId = baseTypeId;
declaration.EventType = eventType;
declaration.Description = (LocalizedText.IsNullOrEmpty(references[ii].DisplayName)) ? references[ii].BrowseName.Name : references[ii].DisplayName.Text;
declaration.Attributes = declarations;
m_eventTypes[declaration.TypeId] = declaration;
}
// recursively look for subtypes.
IndexTypesFromServer(typeId, eventType);
}
}
/// <summary>
/// Indexes the well known subtypes.
/// </summary>
private void IndexWellKnownTypes()
{
SystemContext context = new SystemContext();
context.EncodeableFactory = m_session.MessageContext.Factory;
context.NamespaceUris = m_session.NamespaceUris;
context.ServerUris = m_session.ServerUris;
NodeStateCollection predefinedNodes = new NodeStateCollection();
predefinedNodes.LoadFromBinaryResource(context, "Opc.Ua.Stack.Generated.Opc.Ua.PredefinedNodes.uanodes", typeof(NodeState).Assembly, true);
NodeIdDictionary <BaseTypeState> types = new NodeIdDictionary <BaseTypeState>();
// collect the instance declarations for all types.
for (int ii = 0; ii < predefinedNodes.Count; ii++)
{
BaseTypeState type = predefinedNodes[ii] as BaseTypeState;
if (type != null)
{
types.Add(type.NodeId, type);
}
}
// index only those types which are subtypes of BaseEventType.
foreach (BaseTypeState type in types.Values)
{
BaseTypeState subType = type;
BaseTypeState superType = null;
int eventType = 0;
while (subType != null)
{
if (subType.NodeId == Opc.Ua.ObjectTypeIds.ConditionType || subType.SuperTypeId == Opc.Ua.ObjectTypeIds.ConditionType)
{
eventType = OpcRcw.Ae.Constants.CONDITION_EVENT;
}
else if (subType.NodeId == Opc.Ua.ObjectTypeIds.AuditEventType || subType.SuperTypeId == Opc.Ua.ObjectTypeIds.AuditEventType)
{
eventType = OpcRcw.Ae.Constants.TRACKING_EVENT;
}
else if (subType.NodeId == Opc.Ua.ObjectTypeIds.BaseEventType || subType.SuperTypeId == Opc.Ua.ObjectTypeIds.BaseEventType)
{
eventType = OpcRcw.Ae.Constants.SIMPLE_EVENT;
}
// found an event, collect the attribute and index it.
if (eventType != 0)
{
List <AeEventAttribute> declarations = new List <AeEventAttribute>();
Dictionary <string, AeEventAttribute> map = new Dictionary <string, AeEventAttribute>();
ComAeUtils.CollectInstanceDeclarations(
m_session,
this,
type,
null,
declarations,
map);
AeEventCategory declaration = new AeEventCategory();
declaration.TypeId = type.NodeId;
declaration.SuperTypeId = type.SuperTypeId;
declaration.EventType = eventType;
declaration.Description = (LocalizedText.IsNullOrEmpty(type.DisplayName))?type.BrowseName.Name:type.DisplayName.Text;
declaration.Attributes = declarations;
m_eventTypes[declaration.TypeId] = declaration;
break;
}
// follow the tree to the parent.
if (!types.TryGetValue(subType.SuperTypeId, out superType))
{
break;
}
subType = superType;
}
}
// hide the built in attributes.
AeEventCategory category = GetCategory(Opc.Ua.ObjectTypeIds.BaseEventType);
if (category != null)
{
for (int ii = 0; ii < category.Attributes.Count; ii++)
{
switch (category.Attributes[ii].BrowsePathDisplayText)
{
case Opc.Ua.BrowseNames.Message:
case Opc.Ua.BrowseNames.Severity:
case Opc.Ua.BrowseNames.SourceName:
case Opc.Ua.BrowseNames.Time:
case Opc.Ua.BrowseNames.ReceiveTime:
case Opc.Ua.BrowseNames.LocalTime:
{
category.Attributes[ii].Hidden = true;
break;
}
}
}
}
}
public NodeId RegisterApplication(ApplicationRecordDataType application)
{
if (application == null)
{
throw new ArgumentNullException(nameof(application));
}
if (application.ApplicationUri == null)
{
throw new ArgumentNullException("ApplicationUri");
}
if (!Uri.IsWellFormedUriString(application.ApplicationUri, UriKind.Absolute))
{
throw new ArgumentException(application.ApplicationUri + " is not a valid URI.", "ApplicationUri");
}
if (application.ApplicationType < ApplicationType.Server || application.ApplicationType > ApplicationType.DiscoveryServer)
{
throw new ArgumentException(application.ApplicationType.ToString() + " is not a valid ApplicationType.", "ApplicationType");
}
if (application.ApplicationNames == null || application.ApplicationNames.Count == 0 || LocalizedText.IsNullOrEmpty(application.ApplicationNames[0]))
{
throw new ArgumentException("At least one ApplicationName must be provided.", "ApplicationNames");
}
if (String.IsNullOrEmpty(application.ProductUri))
{
throw new ArgumentException("A ProductUri must be provided.", "ProductUri");
}
if (!Uri.IsWellFormedUriString(application.ProductUri, UriKind.Absolute))
{
throw new ArgumentException(application.ProductUri + " is not a valid URI.", "ProductUri");
}
if (application.DiscoveryUrls != null)
{
foreach (var discoveryUrl in application.DiscoveryUrls)
{
if (String.IsNullOrEmpty(discoveryUrl))
{
continue;
}
if (!Uri.IsWellFormedUriString(discoveryUrl, UriKind.Absolute))
{
throw new ArgumentException(discoveryUrl + " is not a valid URL.", "DiscoveryUrls");
}
}
}
if (application.ApplicationType != ApplicationType.Client)
{
if (application.DiscoveryUrls == null || application.DiscoveryUrls.Count == 0)
{
throw new ArgumentException("At least one DiscoveryUrl must be provided.", "DiscoveryUrls");
}
}
else
{
if (application.DiscoveryUrls != null && application.DiscoveryUrls.Count > 0)
{
throw new ArgumentException("DiscoveryUrls must not be specified for clients.", "DiscoveryUrls");
}
}
StringBuilder capabilities = new StringBuilder();
if (application.ServerCapabilities != null)
{
foreach (var capability in application.ServerCapabilities)
{
if (String.IsNullOrEmpty(capability))
{
continue;
}
if (capabilities.Length > 0)
{
capabilities.Append(',');
}
capabilities.Append(capability);
}
}
if (application.ApplicationType != ApplicationType.Client)
{
if (application.ServerCapabilities == null || application.ServerCapabilities.Count == 0)
{
throw new ArgumentException("At least one Server Capability must be provided.", "ServerCapabilities");
}
}
Guid applicationId = Guid.Empty;
if (!NodeId.IsNull(application.ApplicationId))
{
if (application.ApplicationId.IdType != IdType.Guid)
{
throw new ArgumentException("The ApplicationId to does refer to a existing record.", "ApplicationId");
}
applicationId = (Guid)application.ApplicationId.Identifier;
}
using (gdsdbEntities entities = new gdsdbEntities())
{
Application record = null;
if (applicationId != Guid.Empty)
{
var results = from ii in entities.Applications
where ii.ApplicationId == applicationId
select ii;
record = results.SingleOrDefault();
if (record != null)
{
var endpoints = from ii in entities.ServerEndpoints
where ii.ApplicationId == record.ID
select ii;
foreach (var endpoint in endpoints)
{
entities.ServerEndpoints.Remove(endpoint);
}
var names = from ii in entities.ApplicationNames
where ii.ApplicationId == record.ID
select ii;
foreach (var name in names)
{
entities.ApplicationNames.Remove(name);
}
entities.SaveChanges();
}
}
bool isNew = false;
if (record == null)
{
record = new Application()
{
ApplicationId = Guid.NewGuid()
};
isNew = true;
}
record.ApplicationUri = application.ApplicationUri;
record.ApplicationName = application.ApplicationNames[0].Text;
record.ApplicationType = (int)application.ApplicationType;
record.ProductUri = application.ProductUri;
record.ServerCapabilities = capabilities.ToString();
if (isNew)
{
entities.Applications.Add(record);
}
entities.SaveChanges();
if (application.DiscoveryUrls != null)
{
foreach (var discoveryUrl in application.DiscoveryUrls)
{
entities.ServerEndpoints.Add(new ServerEndpoint()
{
ApplicationId = record.ID, DiscoveryUrl = discoveryUrl
});
}
}
if (application.ApplicationNames != null && application.ApplicationNames.Count > 1)
{
foreach (var applicationName in application.ApplicationNames)
{
entities.ApplicationNames.Add(new ApplicationName()
{
ApplicationId = record.ID, Locale = applicationName.Locale, Text = applicationName.Text
});
}
}
entities.SaveChanges();
return(new NodeId(record.ApplicationId, NamespaceIndex));
}
}
/// <summary>
/// Marshals an event for return to the client.
/// </summary>
private OpcRcw.Ae.ONEVENTSTRUCT Translate(AeEvent e)
{
OpcRcw.Ae.ONEVENTSTRUCT e2 = new ONEVENTSTRUCT();
e2.wNewState = 0;
e2.wChangeMask = 0xFF;
e2.szSource = e.SourceName;
e2.wQuality = ComUtils.GetQualityCode(e.Quality);
e2.dwEventType = e.Category.EventType;
e2.dwEventCategory = (int)e.Category.LocalId;
e2.bAckRequired = 0;
e2.dwSeverity = e.Severity;
e2.ftTime = ComUtils.GetFILETIME(e.Time);
e2.szMessage = (e.Message != null) ? e.Message.Text : null;
e2.szActorID = e.AuditUserId;
e2.dwCookie = e.Cookie;
if (e.AttributeValues != null && e.AttributeValues.Length > 0)
{
e2.dwNumEventAttrs = e.AttributeValues.Length;
e2.pEventAttributes = ComUtils.GetVARIANTs(e.AttributeValues, true);
}
if ((e2.dwEventType & OpcRcw.Ae.Constants.CONDITION_EVENT) != 0)
{
e2.szConditionName = e.ConditionName;
e2.ftActiveTime = ComUtils.GetFILETIME(e.ActiveTime);
e2.bAckRequired = (e.AckedState)?0:1;
// set the condition state.
e2.wNewState = 0;
if (e.EnabledState)
{
e2.wNewState |= OpcRcw.Ae.Constants.CONDITION_ENABLED;
}
if (e.AckedState)
{
e2.wNewState |= OpcRcw.Ae.Constants.CONDITION_ACKED;
}
if (e.ActiveState)
{
e2.wNewState |= OpcRcw.Ae.Constants.CONDITION_ACTIVE;
}
// set the subcondition if available.
if (!LocalizedText.IsNullOrEmpty(e.LowState))
{
e2.szSubconditionName = e.LowState.Text;
}
if (!LocalizedText.IsNullOrEmpty(e.HighState))
{
e2.szSubconditionName = e.HighState.Text;
}
if (!LocalizedText.IsNullOrEmpty(e.LowLowState))
{
e2.szSubconditionName = e.LowLowState.Text;
}
if (!LocalizedText.IsNullOrEmpty(e.HighHighState))
{
e2.szSubconditionName = e.HighHighState.Text;
}
if (!LocalizedText.IsNullOrEmpty(e.LimitState))
{
e2.szSubconditionName = e.LimitState.Text;
}
}
if (e2.szMessage == null)
{
e2.szMessage = String.Empty;
}
if (e2.szSource == null)
{
e2.szSource = String.Empty;
}
if (e2.szConditionName == null)
{
e2.szConditionName = String.Empty;
}
if (e2.szSubconditionName == null)
{
e2.szSubconditionName = String.Empty;
}
if (e2.szActorID == null)
{
e2.szActorID = String.Empty;
}
return(e2);
}
/// <summary>
/// Collects instance declarations nodes from with a type.
/// </summary>
public static void CollectInstanceDeclarations(
Session session,
ComNamespaceMapper mapper,
NodeState node,
AeEventAttribute parent,
List <AeEventAttribute> instances,
IDictionary <string, AeEventAttribute> map)
{
List <BaseInstanceState> children = new List <BaseInstanceState>();
node.GetChildren(session.SystemContext, children);
if (children.Count == 0)
{
return;
}
// process the children.
for (int ii = 0; ii < children.Count; ii++)
{
BaseInstanceState instance = children[ii];
// only interested in objects and variables.
if (instance.NodeClass != NodeClass.Object && instance.NodeClass != NodeClass.Variable)
{
return;
}
// ignore instances without a modelling rule.
if (NodeId.IsNull(instance.ModellingRuleId))
{
return;
}
// create a new declaration.
AeEventAttribute declaration = new AeEventAttribute();
declaration.RootTypeId = (parent != null)?parent.RootTypeId:node.NodeId;
declaration.NodeId = (NodeId)instance.NodeId;
declaration.BrowseName = instance.BrowseName;
declaration.NodeClass = instance.NodeClass;
declaration.Description = (instance.Description != null)?instance.Description.ToString():null;
// get data type information.
BaseVariableState variable = instance as BaseVariableState;
if (variable != null)
{
declaration.DataType = variable.DataType;
declaration.ValueRank = variable.ValueRank;
if (!NodeId.IsNull(variable.DataType))
{
declaration.BuiltInType = DataTypes.GetBuiltInType(declaration.DataType, session.TypeTree);
}
}
if (!LocalizedText.IsNullOrEmpty(instance.DisplayName))
{
declaration.DisplayName = instance.DisplayName.Text;
}
else
{
declaration.DisplayName = instance.BrowseName.Name;
}
if (parent != null)
{
declaration.BrowsePath = new QualifiedNameCollection(parent.BrowsePath);
declaration.BrowsePathDisplayText = Utils.Format("{0}/{1}", parent.BrowsePathDisplayText, mapper.GetLocalBrowseName(instance.BrowseName));
declaration.DisplayPath = Utils.Format("{0}/{1}", parent.DisplayPath, instance.DisplayName);
}
else
{
declaration.BrowsePath = new QualifiedNameCollection();
declaration.BrowsePathDisplayText = Utils.Format("{0}", instance.BrowseName);
declaration.DisplayPath = Utils.Format("{0}", instance.DisplayName);
}
declaration.BrowsePath.Add(instance.BrowseName);
// check if reading an overridden declaration.
AeEventAttribute overriden = null;
if (map.TryGetValue(declaration.BrowsePathDisplayText, out overriden))
{
declaration.OverriddenDeclaration = overriden;
}
map[declaration.BrowsePathDisplayText] = declaration;
// only interested in variables.
if (instance.NodeClass == NodeClass.Variable)
{
instances.Add(declaration);
}
// recusively build tree.
CollectInstanceDeclarations(session, mapper, instance, declaration, instances, map);
}
}
public virtual NodeId RegisterApplication(
ApplicationRecordDataType application
)
{
if (application == null)
{
throw new ArgumentNullException(nameof(application));
}
if (application.ApplicationUri == null)
{
throw new ArgumentNullException("ApplicationUri");
}
if (!Uri.IsWellFormedUriString(application.ApplicationUri, UriKind.Absolute))
{
throw new ArgumentException(application.ApplicationUri + " is not a valid URI.", "ApplicationUri");
}
if (application.ApplicationType < ApplicationType.Server || application.ApplicationType > ApplicationType.DiscoveryServer)
{
throw new ArgumentException(application.ApplicationType.ToString() + " is not a valid ApplicationType.", "ApplicationType");
}
if (application.ApplicationNames == null || application.ApplicationNames.Count == 0 || LocalizedText.IsNullOrEmpty(application.ApplicationNames[0]))
{
throw new ArgumentException("At least one ApplicationName must be provided.", "ApplicationNames");
}
if (String.IsNullOrEmpty(application.ProductUri))
{
throw new ArgumentException("A ProductUri must be provided.", "ProductUri");
}
if (!Uri.IsWellFormedUriString(application.ProductUri, UriKind.Absolute))
{
throw new ArgumentException(application.ProductUri + " is not a valid URI.", "ProductUri");
}
if (application.DiscoveryUrls != null)
{
foreach (var discoveryUrl in application.DiscoveryUrls)
{
if (String.IsNullOrEmpty(discoveryUrl))
{
continue;
}
if (!Uri.IsWellFormedUriString(discoveryUrl, UriKind.Absolute))
{
throw new ArgumentException(discoveryUrl + " is not a valid URL.", "DiscoveryUrls");
}
}
}
if (application.ApplicationType != ApplicationType.Client)
{
if (application.DiscoveryUrls == null || application.DiscoveryUrls.Count == 0)
{
throw new ArgumentException("At least one DiscoveryUrl must be provided.", "DiscoveryUrls");
}
if (application.ServerCapabilities == null || application.ServerCapabilities.Count == 0)
{
throw new ArgumentException("At least one Server Capability must be provided.", "ServerCapabilities");
}
}
else
{
if (application.DiscoveryUrls != null && application.DiscoveryUrls.Count > 0)
{
throw new ArgumentException("DiscoveryUrls must not be specified for clients.", "DiscoveryUrls");
}
}
Guid applicationId = Guid.Empty;
if (!NodeId.IsNull(application.ApplicationId))
{
if (application.ApplicationId.IdType != IdType.Guid)
{
throw new ArgumentException("The ApplicationId has not the type Guid.", "ApplicationId");
}
applicationId = (Guid)application.ApplicationId.Identifier;
}
return(new NodeId(applicationId, NamespaceIndex));
}
