Contains parameters that influence the behavior of the client/server component on the application level.
Object Model
Syntax
[ComDefaultInterface(OpcLabs.EasyOpc.UA.Engine.ComTypes._UAClientServerEngineParameters)]
[ComVisible(true)]
[ExceptionContractAnnotation(true)]
[Guid("CC6B49C1-A40F-42EE-AA83-097EA654D3EA")]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[CLSCompliant(true)]
[ValueControl("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.81.455.1, Culture=neutral, PublicKeyToken=6faddca41dacb409",
DefaultReadWrite=false,
Export=true,
PageId=10001)]
[Serializable()]
public class UAClientServerEngineParameters : OpcLabs.BaseLib.Parameters, LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.ComTypes._Parameters, OpcLabs.EasyOpc.UA.Engine.ComTypes._UAClientServerEngineParameters, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable
[ComDefaultInterface(OpcLabs.EasyOpc.UA.Engine.ComTypes._UAClientServerEngineParameters)]
[ComVisible(true)]
[ExceptionContractAnnotation(true)]
[Guid("CC6B49C1-A40F-42EE-AA83-097EA654D3EA")]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[CLSCompliant(true)]
[ValueControl("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.81.455.1, Culture=neutral, PublicKeyToken=6faddca41dacb409",
DefaultReadWrite=false,
Export=true,
PageId=10001)]
[Serializable()]
public ref class UAClientServerEngineParameters : public OpcLabs.BaseLib.Parameters, LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.ComTypes._Parameters, OpcLabs.EasyOpc.UA.Engine.ComTypes._UAClientServerEngineParameters, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable
'Declaration
<ComDefaultInterfaceAttribute(OpcLabs.EasyOpc.UA.Engine.ComTypes._UAClientServerEngineParameters)>
<ComVisibleAttribute(True)>
<ExceptionContractAnnotationAttribute(True)>
<GuidAttribute("CC6B49C1-A40F-42EE-AA83-097EA654D3EA")>
<TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)>
<CLSCompliantAttribute(True)>
<ValueControlAttribute("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.81.455.1, Culture=neutral, PublicKeyToken=6faddca41dacb409",
DefaultReadWrite=False,
Export=True,
PageId=10001)>
<SerializableAttribute()>
Public Class UAClientServerEngineParameters
Inherits OpcLabs.BaseLib.Parameters
Implements LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.ComTypes._Parameters, OpcLabs.EasyOpc.UA.Engine.ComTypes._UAClientServerEngineParameters, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable
Example
// This example shows how to limit the maximum number of sessions the OPC UA clients can open with the server.
// You can use any OPC UA client, including our Connectivity Explorer and OpcCmd utility, to connect to the server.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// OPC client, server and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-OPCStudio-CSharp .
// Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
// a commercial license in order to use Online Forums, and we reply to every post.
using System;
using OpcLabs.EasyOpc.UA;
using OpcLabs.EasyOpc.UA.Engine;
using OpcLabs.EasyOpc.UA.NodeSpace;
namespace UAServerDocExamples.Configuration
{
class ServerConfiguration
{
public static void MaxSessionCount()
{
// Get the shared engine parameters object
EasyUAServerEngineParameters engineParameters = EasyUAServer.SharedParameters.EngineParameters;
// Set the maximum number of open session to 2.
// This particular property is documented here:
// https://www.opclabs.com/files/onlinedocs/UA-.NETStandard/Latest/Browser%20Help/webframe.html#Opc.Ua.Core~Opc.Ua.ServerConfiguration~MaxSessionCount.html
engineParameters.ConfigurationPropertyOverrides["ServerConfiguration.MaxSessionCount"] = 2;
// Instantiate the server object.
// By default, the server will run on endpoint URL "opc.tcp://localhost:48040/".
var server = new EasyUAServer();
// Define a data variable providing random integers.
var random = new Random();
server.Add(new UADataVariable("MyDataVariable").ReadValueFunction(() => random.Next()));
// Start the server.
Console.WriteLine("The server is starting...");
server.Start();
Console.WriteLine("The server is started.");
Console.WriteLine();
// Let the user decide when to stop.
Console.WriteLine("Press Enter to stop the server...");
Console.ReadLine();
// Stop the server.
Console.WriteLine("The server is stopping...");
server.Stop();
Console.WriteLine("The server is stopped.");
}
}
}
Inheritance Hierarchy
Requirements
Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows
See Also