[英]Set the Timeout of a Callback in a Polling Duplex WCF Service
I have a WCF service with a CallbackContract. 我有一个带有CallbackContract的WCF服务。 The service is exposed to a Silverlight client using "pollingDuplexHttpBinding" When the Silverlight client is "dead" and the service calls a callback operation, it gets a timeout exception after one minute.
该服务使用“ pollingDuplexHttpBinding”公开给Silverlight客户端。当Silverlight客户端为“ dead”且该服务调用回调操作时,一分钟后将收到超时异常。 How can I set this timeout to be different?
我该如何设置不同的超时时间?
Thanks, Elad 谢谢,埃拉德
There is a nice article in MSDN related to configuring PollingDuplexHttpBinding : MSDN中有一篇不错的文章,与配置PollingDuplexHttpBinding有关 :
//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
. 更新 :在“ 如何:为Silverlight客户端构建双工服务 ”的“ 使用PollingDuplexHttpBinding”段落下,有一个基于
web.config
的示例,该示例配置PollingDuplexHttpBinding
。
Hope, this will help. 希望这会有所帮助。
So it seems that the "SendTimeout" attribute of PollingDuplexHttpBinding does the job: 因此,似乎PollingDuplexHttpBinding的“ SendTimeout”属性可以完成此工作:
<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>
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