要自动向消息添加一些标头,您必须实现IClientMessageInspector。它将允许您更改传出消息的任何内容。
编辑2:
public class ClientMessageInspector : IClientMessageInspector
{
public object BeforeSendRequest(ref Message request, IClientChannel channel)
{
//following example is for adding http header.
//If you have another protocol you can add any other message
//manipulation code instead.
//HttpResponseMessageProperty.Name returns "httpResponse".
HttpResponseMessageProperty httpProp = null;
if (request.Properties.ContainsKey(HttpResponseMessageProperty.Name))
{
httpProp = (HttpResponseMessageProperty)request.Properties[HttpResponseMessageProperty.Name];
}
else
{
httpProp = new HttpResponseMessageProperty();
request.Properties.Add(HttpResponseMessageProperty.Name, httpProp);
}
httpProp.Headers.Add("YouHeader", "YourValue");
//as I mentioned you can change a message in a way you need
request.Properties.Add("P1", "Test User");
request.Headers.Add(MessageHeader.CreateHeader("P1", "htt p://site.com/", "Test User"));
return null;
}
public void AfterReceiveReply(ref Message reply, object correlationState) { }
}
public class ClientMessageInspectorBehavior : IEndpointBehavior
{
public void AddBindingParameters(ServiceEndpoint endpoint, BindingParameterCollection bindingParameters)
{
}
public void ApplyClientBehavior(ServiceEndpoint endpoint, ClientRuntime clientRuntime)
{
clientRuntime.MessageInspectors.Add(new ClientMessageInspector());
}
public void ApplyDispatchBehavior(ServiceEndpoint endpoint, EndpointDispatcher endpointDispatcher)
{
}
public void Validate(ServiceEndpoint endpoint)
{
}
}
public class ClientMessageInspectorExtensionElement : BehaviorExtensionElement
{
protected override object CreateBehavior()
{
return new ClientMessageInspectorBehavior();
}
public override Type BehaviorType
{
get
{
return typeof(ClientMessageInspectorBehavior);
}
}
}
你的配置文件应该是这样的:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<system.serviceModel>
<client>
<endpoint
address="http://localhost:8000/CoolerService"
behaviorConfiguration="coolerBehaviour"
binding="webHttpBinding"
contract="CoolerService.ICoolerService"
name="coolerEndpoint">
</endpoint>
</client>
<extensions>
<behaviorExtensions>
<add name="customHeaderAdder" type="Extensions.ClientMessageInspectorExtensionElement, Extensions" />
</behaviorExtensions>
</extensions>
<behaviors>
<endpointBehaviors>
<behavior name="coolerBehaviour">
<customHeaderAdder />
</behavior>
</endpointBehaviors>
</behaviors>
</system.serviceModel>
</configuration>