在轮询双工 WCF 服务中设置回调超时

发布于 2025-01-04 23:56:01 字数 172 浏览 0 评论 0原文

我有一个带有 CallbackContract 的 WCF 服务。使用“pollingDuplexHttpBinding”将服务公开给 Silverlight 客户端当 Silverlight 客户端“死机”并且服务调用回调操作时，它会在一分钟后收到超时异常。我怎样才能将这个超时设置为不同的？

谢谢，埃拉德

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一场信仰旅途 2025-01-11 23:56:01

MSDN 中有一篇关于配置 PollingDuplexHttpBinding：

//Inactivity timeout
PollingDuplexHttpBinding binding = new PollingDuplexHttpBinding();    
//Get default inactivity timeout
TimeSpan defaultInactivityTimeOut = binding.InactivityTimeout;
//Returns default timeout in minutes: 10
string txtDefaultInactivityTimeOut = defaultInactivityTimeOut.Minutes.ToString();    
//Set new inactivity timeout
TimeSpan newInactivityTimeOut = new TimeSpan(0, 5, 0);
binding.InactivityTimeout = newInactivityTimeOut;

更新：在“如何：为 Silverlight 客户端构建双工服务' 有一个基于 web.config 的示例，配置 PollingDuplexHttpBinding。

希望这会有所帮助。

There is a nice article in MSDN related to configuring PollingDuplexHttpBinding:

//Inactivity timeout
PollingDuplexHttpBinding binding = new PollingDuplexHttpBinding();    
//Get default inactivity timeout
TimeSpan defaultInactivityTimeOut = binding.InactivityTimeout;
//Returns default timeout in minutes: 10
string txtDefaultInactivityTimeOut = defaultInactivityTimeOut.Minutes.ToString();    
//Set new inactivity timeout
TimeSpan newInactivityTimeOut = new TimeSpan(0, 5, 0);
binding.InactivityTimeout = newInactivityTimeOut;

UPDATE: Under 'To use PollingDuplexHttpBinding' paragraph of 'How to: Build a Duplex Service for a Silverlight Client' there is web.config based example configuring PollingDuplexHttpBinding.

Hope, this will help.

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水溶 2025-01-11 23:56:01

所以看来 PollingDuplexHttpBinding 的“SendTimeout”属性可以完成这项工作：

<extensions>
  <bindingExtensions>
    <add name="pollingDuplexHttpBinding" type="System.ServiceModel.Configuration.PollingDuplexHttpBindingCollectionElement, System.ServiceModel.PollingDuplex, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
  </bindingExtensions>
</extensions>

<bindings>

  <pollingDuplexHttpBinding>
    <binding name="myPollingDuplex" sendTimeout="00:00:05"/>
  </pollingDuplexHttpBinding>

</bindings>


<services>
  <service name="Kodak.Pgy.Server.Event.WCFService.EventService" behaviorConfiguration="EventBehavior">

    <!--For duplex communication with the service from silverlight client-->
    <endpoint address="/for-silverlight" binding="pollingDuplexHttpBinding" bindingConfiguration="myPollingDuplex" contract="IEventService"/>

  </service>

</services>

So it seems that the "SendTimeout" attribute of PollingDuplexHttpBinding does the job:

<extensions>
  <bindingExtensions>
    <add name="pollingDuplexHttpBinding" type="System.ServiceModel.Configuration.PollingDuplexHttpBindingCollectionElement, System.ServiceModel.PollingDuplex, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
  </bindingExtensions>
</extensions>

<bindings>

  <pollingDuplexHttpBinding>
    <binding name="myPollingDuplex" sendTimeout="00:00:05"/>
  </pollingDuplexHttpBinding>

</bindings>


<services>
  <service name="Kodak.Pgy.Server.Event.WCFService.EventService" behaviorConfiguration="EventBehavior">

    <!--For duplex communication with the service from silverlight client-->
    <endpoint address="/for-silverlight" binding="pollingDuplexHttpBinding" bindingConfiguration="myPollingDuplex" contract="IEventService"/>

  </service>

</services>

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