<system.serviceModel>
<protocolMapping>
<add scheme="http" binding="wsDualHttpBinding" />
</protocolMapping>
<services>
<service name="Plugins.Intranet.Library.SupportService" behaviorConfiguration="SupportServiceBehaviors" >
<endpoint contract="Plugins.Intranet.Library.ISupportService" binding="wsDualHttpBinding" />
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior name="SupportServiceBehaviors" >
<serviceMetadata httpGetEnabled="true" />
<serviceDebug includeExceptionDetailInFaults="True" />
</behavior>
</serviceBehaviors>
</behaviors>
</system.serviceModel>
WCF Svc file
<%@ServiceHost language="c#" Debug="true" Service="Plugins.Intranet.Library.SupportService" %>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;
namespace Plugins.Intranet.Library
{
// The callback interface is used to send messages from service back to client.
// The Result operation will return the current result after each operation.
// The Equation opertion will return the complete equation after Clear() is called.
public interface ISupportServiceDuplexCallback
{
[OperationContract(IsOneWay = true)]
void NewMessage(SupportMessage msg);
}
// Define a duplex service contract.
// A duplex contract consists of two interfaces.
// The primary interface is used to send messages from the client to the service.
// The callback interface is used to send messages from the service back to the client.
// ICalculatorDuplex allows one to perform multiple operations on a running result.
// The result is sent back after each operation on the ICalculatorCallback interface.
[ServiceContract(Namespace = "http://intranet.metafor",
SessionMode = SessionMode.Required,
CallbackContract = typeof(ISupportServiceDuplexCallback))]
public interface ISupportService
{
[OperationContract(IsOneWay = true)]
void TestService();
[OperationContract(IsOneWay = true)]
void GetMessages(string UserID);
}
// Service class which implements a duplex service contract.
// Use an InstanceContextMode of PerSession to store the result
// An instance of the service will be bound to each duplex session
[ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)]
public class SupportService : ISupportService
{
public int ServiceStatus { get; set; }
public void TestService()
{
ServiceStatus= 11;
}
public void GetMessages(string UserID)
{
// dummy message for test
var buf = new SupportMessage()
{
Title="Test Message Title",
Description= "Lorem ipsum",
CreateTime= DateTime.Now
};
Callback.NewMessage(buf);
}
ISupportServiceDuplexCallback Callback
{
get
{
return OperationContext.Current.GetCallbackChannel<ISupportServiceDuplexCallback>();
}
}
}
public class SupportMessage
{
public string Sender { get; set; }
public string Title { get; set; }
public string Description { get; set; }
public int Category { get; set; }
public DateTime CreateTime { get; set; }
}
}
http://localhost/metafor/plugins/SupportService.svc
web result
C#
class Test
{
static void Main()
{
SupportServiceClient client = new SupportServiceClient();
// Hizmetteki işlemleri çağırmak için 'client' değişkenini kullanın.
// Her zaman istemciyi kapatın.
client.Close();
}
}
Visual Basic
Class Test
Shared Sub Main()
Dim client As SupportServiceClient = New SupportServiceClient()
' Hizmetteki işlemleri çağırmak için 'client' değişkenini kullanın.
' Her zaman istemciyi kapatın.
client.Close()
End Sub
End Class
Client code :
Svcutil.exe http://localhost/metafor/plugins/SupportService.svc
Output.config
<system.serviceModel>
<bindings>
<wsDualHttpBinding>
<binding name="WSDualHttpBinding_ISupportService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384"/>
<reliableSession ordered="true" inactivityTimeout="00:10:00"/>
<security mode="Message">
<message clientCredentialType="Windows" negotiateServiceCredential="true" algorithmSuite="Default"/>
</security>
</binding>
</wsDualHttpBinding>
</bindings>
<client>
<endpoint address="http://localhost/metafor/plugins/SupportService.svc" binding="wsDualHttpBinding" bindingConfiguration="WSDualHttpBinding_ISupportService" contract="ISupportService" name="WSDualHttpBinding_ISupportService">
<identity>
<servicePrincipalName value="host/localhost"/>
</identity>
</endpoint>
</client>
</system.serviceModel>
namespace Plugins.Intranet.Library
{
public class SupportSelfCallback : ISupportServiceCallback
{
public delegate void MessageReceivedEventHandler(object sender, MessageReceivedEventArgs e);
public event MessageReceivedEventHandler MessageReceived;
protected void RaiseMessageReceived(object propertyName)
{
MessageReceivedEventHandler messageChanged = this.MessageReceived;
if ((MessageReceived != null))
{
MessageReceived(this, new MessageReceivedEventArgs(propertyName));
}
}
#region ISupportServiceCallback Members
public void NewMessage(ServiceReferenceSupport.SupportMessage msg)
{
RaiseMessageReceived(msg);
}
#endregion
}
public class MessageReceivedEventArgs : EventArgs
{
public MessageReceivedEventArgs(object message)
{
this.MessageField = message;
}
private object MessageField;
public virtual object Message { get { return MessageField; } }
}
}
End of code
SupportSelfCallback duplexCallBack = new SupportSelfCallback();
duplexCallBack.MessageReceived += new SupportSelfCallback.MessageReceivedEventHandler(duplexCallBack_MessageReceived);
// Construct InstanceContext to handle messages on callback interface.
InstanceContext instanceContext = new InstanceContext(duplexCallBack);
SupportServiceClient client = new SupportServiceClient(instanceContext);
void duplexCallBack_MessageReceived(object sender, MessageReceivedEventArgs e)
{
// do stuff
}
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