// Shows how to obtain references of all kinds to nodes of all classes, from the "Server" node in the address space.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
using System;
using System.Diagnostics;
using OpcLabs.EasyOpc.UA;
using OpcLabs.EasyOpc.UA.AddressSpace;
using OpcLabs.EasyOpc.UA.AddressSpace.Standard;
using OpcLabs.EasyOpc.UA.OperationModel;
namespace UADocExamples._EasyUAClient
{
partial class Browse
{
public static void All()
{
UAEndpointDescriptor endpointDescriptor =
"opc.tcp://opcua.demo-this.com:51210/UA/SampleServer";
// or "http://opcua.demo-this.com:51211/UA/SampleServer" (currently not supported)
// or "https://opcua.demo-this.com:51212/UA/SampleServer/"
// Instantiate the client object
var client = new EasyUAClient();
// Obtain nodes under "Server" node
UANodeElementCollection nodeElementCollection;
try
{
nodeElementCollection = client.Browse(
endpointDescriptor,
UAObjectIds.Server,
new UABrowseParameters(UANodeClass.All, new[] { UAReferenceTypeIds.References }));
}
catch (UAException uaException)
{
Console.WriteLine("*** Failure: {0}", uaException.GetBaseException().Message);
return;
}
// Display results
foreach (UANodeElement nodeElement in nodeElementCollection)
{
Debug.Assert(nodeElement != null);
Console.WriteLine();
Console.WriteLine("nodeElement.DisplayName: {0}", nodeElement.DisplayName);
Console.WriteLine("nodeElement.NodeId: {0}", nodeElement.NodeId);
Console.WriteLine("nodeElement.NodeId.ExpandedText: {0}", nodeElement.NodeId.ExpandedText);
}
}
// Example output:
//
//nodeElement.DisplayName: ServerArray
//nodeElement.NodeId: Server_ServerArray
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2254
//
//nodeElement.DisplayName: NamespaceArray
//nodeElement.NodeId: Server_NamespaceArray
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2255
//
//nodeElement.DisplayName: ServerStatus
//nodeElement.NodeId: Server_ServerStatus
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2256
//
//nodeElement.DisplayName: ServiceLevel
//nodeElement.NodeId: Server_ServiceLevel
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2267
//
//nodeElement.DisplayName: Auditing
//nodeElement.NodeId: Server_Auditing
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2994
//
//nodeElement.DisplayName: ServerCapabilities
//nodeElement.NodeId: Server_ServerCapabilities
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2268
//
//nodeElement.DisplayName: ServerDiagnostics
//nodeElement.NodeId: Server_ServerDiagnostics
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2274
//
//nodeElement.DisplayName: VendorServerInfo
//nodeElement.NodeId: Server_VendorServerInfo
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2295
//
//nodeElement.DisplayName: ServerRedundancy
//nodeElement.NodeId: Server_ServerRedundancy
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2296
//
//nodeElement.DisplayName: Namespaces
//nodeElement.NodeId: Server_Namespaces
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=11715
//
//nodeElement.DisplayName: GetMonitoredItems
//nodeElement.NodeId: Server_GetMonitoredItems
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=11492
//
//nodeElement.DisplayName: Data
//nodeElement.NodeId: nsu=http://test.org/UA/Data/ ;ns=2;i=10157
//nodeElement.NodeId.ExpandedText: nsu=http://test.org/UA/Data/ ;ns=2;i=10157
//
//nodeElement.DisplayName: Boilers
//nodeElement.NodeId: nsu=http://opcfoundation.org/UA/Boiler/ ;ns=4;i=1240
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/Boiler/ ;ns=4;i=1240
//
//nodeElement.DisplayName: ServerType
//nodeElement.NodeId: ServerType
//nodeElement.NodeId.ExpandedText: nsu=http://opcfoundation.org/UA/ ;i=2004
}
}
# Shows how to obtain references of all kinds to nodes of all classes, from the "Server" node in the address space.
#
# Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
# OPC client and subscriber examples in Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python .
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from System.Collections.Generic import *
from OpcLabs.EasyOpc.UA import *
from OpcLabs.EasyOpc.UA.AddressSpace import *
from OpcLabs.EasyOpc.UA.AddressSpace.Standard import *
from OpcLabs.EasyOpc.UA.OperationModel import *
endpointDescriptor = UAEndpointDescriptor('opc.tcp://opcua.demo-this.com:51210/UA/SampleServer')
# or 'http://opcua.demo-this.com:51211/UA/SampleServer' (currently not supported)
# or 'https://opcua.demo-this.com:51212/UA/SampleServer/'
# Instantiate the client object.
client = EasyUAClient()
# Obtain nodes under "Server" node.
try:
referenceTypeIdList = List[UANodeId]()
referenceTypeIdList.Add(UAReferenceTypeIds.References)
nodeElementCollection = IEasyUAClientExtension.Browse(client,
endpointDescriptor,
UANodeDescriptor(UAObjectIds.Server),
UABrowseParameters(UANodeClass.All, referenceTypeIdList))
except UAException as uaException:
print('*** Failure: ' + uaException.GetBaseException().Message)
exit()
# Display results.
for nodeElement in nodeElementCollection:
assert nodeElement is not None
print()
print('nodeElement.DisplayName: ', nodeElement.DisplayName, sep='')
print('nodeElement.NodeId: ', nodeElement.NodeId, sep='')
print('nodeElement.NodeId.ExpandedText: ', nodeElement.NodeId.ExpandedText, sep='')
print()
print('Finished.')
' Shows how to obtain references of all kinds to nodes of all classes, from the "Server" node in the address space.
'
' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
Imports OpcLabs.EasyOpc.UA
Imports OpcLabs.EasyOpc.UA.AddressSpace
Imports OpcLabs.EasyOpc.UA.AddressSpace.Standard
Imports OpcLabs.EasyOpc.UA.OperationModel
Namespace _EasyUAClient
Friend Class Browse
Public Shared Sub All()
' Define which server we will work with.
Dim endpointDescriptor As UAEndpointDescriptor =
"opc.tcp://opcua.demo-this.com:51210/UA/SampleServer"
' or "http://opcua.demo-this.com:51211/UA/SampleServer" (currently not supported)
' or "https://opcua.demo-this.com:51212/UA/SampleServer/"
' Instantiate the client object
Dim client = New EasyUAClient()
' Obtain nodes under "Server" node
Dim nodeElementCollection As UANodeElementCollection
Try
nodeElementCollection = client.Browse(
endpointDescriptor,
UAObjectIds.Server,
New UABrowseParameters(UANodeClass.All, New UANodeId() {UAReferenceTypeIds.References}))
' or "opc.tcp://opcua.demo-this.com:51210/UA/SampleServer"
Catch uaException As UAException
Console.WriteLine("*** Failure: {0}", uaException.GetBaseException.Message)
Exit Sub
End Try
' Display results
For Each nodeElement As UANodeElement In nodeElementCollection
Debug.Assert(nodeElement IsNot Nothing)
Console.WriteLine()
Console.WriteLine("nodeElement.NodeId: {0}", nodeElement.NodeId)
Console.WriteLine("nodeElement.DisplayName: {0}", nodeElement.DisplayName)
Next nodeElement
End Sub
End Class
End Namespace