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Creating WS-I Basic Profile 1.1 Interoperable Services

  • Article

To configure a WCF service endpoint to be interoperable with ASP.NET Web service clients:

  • Use the System.ServiceModel.BasicHttpBinding type as the binding type for your service endpoint.

  • Do not use callback and session contract features or transaction behaviors on your service endpoint

You can optionally enable support for HTTPS and transport-level client authentication on the binding.

The following features of the BasicHttpBinding class require functionality beyond WS-I Basic Profile 1.1:

To make the metadata for a WCF service available to ASP.NET, use the Web service client generation tools: Web Services Description Language Tool (Wsdl.exe), Web Services Discovery Tool (Disco.exe), and the Add Web Reference feature in Visual Studio. Enable metadata publication. For more information, see Publishing Metadata Endpoints.

Example

Description

The following example code demonstrates how to add a WCF endpoint that is compatible with ASP.NET Web service clients in code and, alternatively, in a configuration file.

Code

using System;
using System.Collections.Generic;
using System.Text;
using System.ServiceModel;
using System.ServiceModel.Description;

[ServiceContract]
public interface IEcho
{
    [OperationContract]
    string Echo(string s);
}

public class MyService : IEcho
{
    public string Echo(string s)
    {
        return s;
    }
}

class Program
{
    static void Main(string[] args)
    {
        string baseAddress = "http://localhost:8080/wcfselfhost/";
        ServiceHost host = new ServiceHost(typeof(MyService), new Uri(baseAddress));

        // Create a BasicHttpBinding instance
        BasicHttpBinding binding = new BasicHttpBinding();

        // Add a service endpoint using the created binding
        host.AddServiceEndpoint(typeof(IEcho), binding, "echo1");

        host.Open();
        Console.WriteLine("Service listening on {0} . . .", baseAddress);
        Console.ReadLine();
        host.Close();
    }
}


Imports System.Collections.Generic
Imports System.Text
Imports System.ServiceModel
Imports System.ServiceModel.Description

<ServiceContract()> _
Public Interface IEcho

    <OperationContract()> _
    Function Echo(ByVal s As String) As String

End Interface

Public Class MyService
    Implements IEcho

    Public Function Echo(ByVal s As String) As String Implements IEcho.Echo
        Return s
    End Function

End Class

Friend Class Program

    Shared Sub Main(ByVal args() As String)
        Dim baseAddress = "http://localhost:8080/wcfselfhost/"
        Dim host As New ServiceHost(GetType(MyService), _
                                    New Uri(baseAddress))

        ' Add a service endpoint using the created binding
        With host
            .AddServiceEndpoint(GetType(IEcho), _
                                New BasicHttpBinding(), _
                                "echo1")
            .Open()
            Console.WriteLine("Service listening on {0} . . .", _
                              baseAddress)
            Console.ReadLine()
            .Close()
        End With
    End Sub
End Class

<configuration>
  <system.serviceModel>
    <services>
      <service name="MyService" behaviorConfiguration="HttpGetMetadata">
        <endpoint address="echo2" contract="IEcho" binding="basicHttpBinding" />
      </service>
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior name="HttpGetMetadata">
          <serviceMetadata httpGetEnabled="true" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>
</configuration>

See also