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WCF端点路由

发布于 2024-09-05 16:58:26 字数 104 浏览 12 评论 0原文

伙计们，如何在不同端点之间路由入站消息。

我需要公开可以接受不同凭据的单个端点。我想，通过拦截传入消息并基于消息头然后将消息转发到适当的端点来解决此问题。

谢谢。

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习惯成性 2024-09-12 16:58:26

基本上，您需要为拦截器创建自定义行为。这个过程相当深入，所以这里有一个链接，而不是我把所有这些都写出来。

http://msdn.microsoft.com/en-us/magazine/cc163302。 aspx

主要步骤是：

创建自定义行为

   public class AuthorizationInterceptorBehavior: IEndpointBehavior, IServiceBehavior
    {
//Code removed
...
}

创建BehaviorExtension：

    public class AuthorizationInterceptorBehaviorExtensionElement : BehaviorExtensionElement
    {
        public override Type BehaviorType
        {
            get
            {
                return typeof(AuthorizationInterceptorBehavior);
            }
        }

        protected override object CreateBehavior()
        {
            return new AuthorizationInterceptorBehavior();
        }
    }
}

然后创建拦截器并将所有代码放入 AfterReceivedRequest 方法中：

    public class AuthorizationInterceptor : IDispatchMessageInspector
    {  //This class implements the IDispatchMessageInspector which provides the basic access to each message when it is received 
        //by the service and before is sent back to the client

        #region IDispatchMessageInspector Members

        public object AfterReceiveRequest(ref System.ServiceModel.Channels.Message request, System.ServiceModel.IClientChannel channel, System.ServiceModel.InstanceContext instanceContext)
        {

//YOUR CODE HERE
...}

然后只需将拦截器添加到配置文件中：

<system.serviceModel>
        <extensions>
            <behaviorExtensions>
                 <add name="authorizationInterceptor" type="YOUR.ASSEMBLY.AuthorizationInterceptorBehaviorExtensionElement, YOUR.ASSEMBLY, Version=X.X.X.X, Culture=neutral, PublicKeyToken=XXXXXXXXXX" />
            </behaviorExtensions>
        </extensions>
    </extensions>
        <behaviors>
            <serviceBehaviors>
                <behavior name="SomeServiceBehavior">
                    <authorizationInterceptor />
...

如果您需要更多帮助或指导、评论，我会回复您并提供更多详细信息。最困难的部分是处理传入的请求，因为此时它尚未反序列化，因此您必须将其作为 POX（Plain Ol' Xml）进行处理。

Basically you need to create a custom behavior for your interceptor. The process is rather indepth so here's a link, instead of me typing all of this out.

http://msdn.microsoft.com/en-us/magazine/cc163302.aspx

The main steps are:

Create a custom behavior

   public class AuthorizationInterceptorBehavior: IEndpointBehavior, IServiceBehavior
    {
//Code removed
...
}

Create the BehaviorExtension:

    public class AuthorizationInterceptorBehaviorExtensionElement : BehaviorExtensionElement
    {
        public override Type BehaviorType
        {
            get
            {
                return typeof(AuthorizationInterceptorBehavior);
            }
        }

        protected override object CreateBehavior()
        {
            return new AuthorizationInterceptorBehavior();
        }
    }
}

Then create your interceptor and put all of your code in the AfterReceivedRequest method:

    public class AuthorizationInterceptor : IDispatchMessageInspector
    {  //This class implements the IDispatchMessageInspector which provides the basic access to each message when it is received 
        //by the service and before is sent back to the client

        #region IDispatchMessageInspector Members

        public object AfterReceiveRequest(ref System.ServiceModel.Channels.Message request, System.ServiceModel.IClientChannel channel, System.ServiceModel.InstanceContext instanceContext)
        {

//YOUR CODE HERE
...}

Then you just add your interceptor to your config file:

<system.serviceModel>
        <extensions>
            <behaviorExtensions>
                 <add name="authorizationInterceptor" type="YOUR.ASSEMBLY.AuthorizationInterceptorBehaviorExtensionElement, YOUR.ASSEMBLY, Version=X.X.X.X, Culture=neutral, PublicKeyToken=XXXXXXXXXX" />
            </behaviorExtensions>
        </extensions>
    </extensions>
        <behaviors>
            <serviceBehaviors>
                <behavior name="SomeServiceBehavior">
                    <authorizationInterceptor />
...

If you need more help or guidance, comment and I'll get back to you with more details. The hardest part is working with the incoming request, as it is not deserialized at this point so you have to work with it as POX (Plain Ol' Xml).

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