// This example shows how in a console application, the user is asked to accept a server HTTPS certificate.
using System;
using OpcLabs.EasyOpc.UA;
using OpcLabs.EasyOpc.UA.OperationModel;
namespace UADocExamples.Interaction
{
partial class AcceptCertificate
{
public static void Https()
{
// Do not implicitly trust any endpoint URLs. We want the user be asked explicitly.
EasyUAClient.SharedParameters.EngineParameters.CertificateAcceptancePolicy.TrustedEndpointUrlStrings.Clear();
// Define which server we will work with.
UAEndpointDescriptor endpointDescriptor = "https://opcua.demo-this.com:51212/UA/SampleServer/";
// Instantiate the client object.
var client = new EasyUAClient();
UAAttributeData attributeData;
try
{
// Obtain attribute data.
// The component automatically triggers the necessary user interaction during the first operation.
attributeData = client.Read(endpointDescriptor, "nsu=http://test.org/UA/Data/ ;i=10853");
}
catch (UAException uaException)
{
Console.WriteLine("*** Failure: {0}", uaException.GetBaseException().Message);
return;
}
// Display results.
Console.WriteLine("Value: {0}", attributeData.Value);
Console.WriteLine("ServerTimestamp: {0}", attributeData.ServerTimestamp);
Console.WriteLine("SourceTimestamp: {0}", attributeData.SourceTimestamp);
Console.WriteLine("StatusCode: {0}", attributeData.StatusCode);
}
}
}
# This example shows how in a console application, the user is asked to accept a server HTTPS certificate.
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from OpcLabs.EasyOpc.UA import *
from OpcLabs.EasyOpc.UA.OperationModel import *
# Do not implicitly trust any endpoint URLs. We want the user be asked explicitly.
EasyUAClient.SharedParameters.EngineParameters.CertificateAcceptancePolicy.TrustedEndpointUrlStrings.Clear()
# Define which server we will work with.
endpointDescriptor = UAEndpointDescriptor('https://opcua.demo-this.com:51212/UA/SampleServer/')
# Instantiate the client object.
client = EasyUAClient()
try:
# Obtain attribute data.
# The component automatically triggers the necessary user interaction during the first operation.
attributeData = IEasyUAClientExtension.Read(client,
endpointDescriptor,
UANodeDescriptor('nsu=http://test.org/UA/Data/ ;i=10853'))
except UAException as uaException:
print('*** Failure: ' + uaException.GetBaseException().Message)
exit()
# Display results.
print('Value: ', attributeData.Value)
print('ServerTimestamp: ', attributeData.ServerTimestamp)
print('SourceTimestamp: ', attributeData.SourceTimestamp)
print('StatusCode: ', attributeData.StatusCode)
print()
print('Finished.')
' This example shows how in a console application, the user is asked to accept a server HTTPS certificate.
Imports OpcLabs.EasyOpc.UA
Imports OpcLabs.EasyOpc.UA.OperationModel
Namespace Interaction
Partial Friend Class AcceptCertificate
Public Shared Sub Https()
' Do not implicitly trust any endpoint URLs. We want the user be asked explicitly.
EasyUAClient.SharedParameters.EngineParameters.CertificateAcceptancePolicy.TrustedEndpointUrlStrings.Clear()
' Define which server we will work with.
Dim endpointDescriptor As UAEndpointDescriptor = "https://opcua.demo-this.com:51212/UA/SampleServer/"
' Instantiate the client object.
Dim client = New EasyUAClient()
Dim attributeData As UAAttributeData
Try
' Obtain attribute data.
' The component automatically triggers the necessary user interaction during the first operation.
attributeData = client.Read(endpointDescriptor, "nsu=http://test.org/UA/Data/ ;i=10853")
Catch uaException As UAException
Console.WriteLine("*** Failure: {0}", uaException.GetBaseException.Message)
Exit Sub
End Try
' Display results.
Console.WriteLine("Value: {0}", attributeData.Value)
Console.WriteLine("ServerTimestamp: {0}", attributeData.ServerTimestamp)
Console.WriteLine("SourceTimestamp: {0}", attributeData.SourceTimestamp)
Console.WriteLine("StatusCode: {0}", attributeData.StatusCode)
End Sub
End Class
End Namespace
