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WCF Duplex 在 Azure 下不起作用。在 IIS Express 下一切正常。我知道由于服务器回调,双工绑定是有问题的,但是....我已经关闭了我的防火墙。TCPView(Sysinternals)显示客户端正在发送/接收 10 到 12 个数据包,然后它就死了……什么也没发生。我将所有超时设置为 10 分钟。

请在下面查看我的配置文件。

服务器配置:

  <system.serviceModel>
<services>
  <service behaviorConfiguration="MexBehaviour" name="MySrvc">
    <endpoint address="" binding="wsDualHttpBinding" bindingConfiguration="wsDualHttpBinding"
      name="wsDualEndpoint" bindingName="wsDualHttpBinding" contract="IMySrvc" />
    <endpoint address="mex" binding="mexHttpBinding" bindingConfiguration="mexHttpBinding"
      name="MexEndpoint" bindingName="mexHttpBinding" contract="IMetadataExchange" />
    <host>
      <baseAddresses>
        <add baseAddress="http://srvc.azurewebsites.net/MySrvc.svc" />
      </baseAddresses>
      <timeouts openTimeout="00:10:00" />
    </host>
  </service>
</services>
<bindings>
  <wsDualHttpBinding>
    <binding name="wsDualHttpBinding" openTimeout="00:10:00" sendTimeout="00:10:00"
      clientBaseAddress="http://xxx.xxx.xxx.xxx:xxx">
      <security mode="None">
        <message clientCredentialType="None" negotiateServiceCredential="false" />
      </security>
    </binding>
  </wsDualHttpBinding>
  <mexHttpBinding>
    <binding name="mexHttpBinding" />
  </mexHttpBinding>
</bindings>
<behaviors>
  <serviceBehaviors>
    <behavior name="MexBehaviour">
      <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
      <serviceDebug includeExceptionDetailInFaults="false" />
    </behavior>
  </serviceBehaviors>
</behaviors>
<protocolMapping>
    <add binding="basicHttpsBinding" scheme="https" />
</protocolMapping>    
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />

客户端配置:

    <system.serviceModel>
    <bindings>
        <wsDualHttpBinding>
            <binding name="wsDualEndpoint">
                <security mode="None" />
            </binding>
        </wsDualHttpBinding>
    </bindings>
    <client>
        <endpoint address="http://srvc.azurewebsites.net/MySrvc.svc"
            binding="wsDualHttpBinding" bindingConfiguration="wsDualEndpoint"
            contract="SrvcRef.IMySrvc" name="wsDualEndpoint" />
    </client>
</system.serviceModel>
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1 回答 1

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我知道这个wsDualHttpBinding没有通过“气味测试”......来自 Juval Lowy 的书,“编程 WCF 服务:掌握 WCF 和 Azure AppFabric 服务总线”:

... WSDualHttpBinding几乎无法使用,因为实际上不可能通过将服务与客户端分开的各种通信障碍进行隧道传输,并且需要找到特定的 Web 服务器机器使得这不切实际。

我通过简单地使用netTcpBinding解决了我的问题......你只需要让 IIS 与 TCP 协议一起工作。那里有很多文章解释如何做到这一点。这是一个:http: //msdn.microsoft.com/en-us/library/ms731053.aspx

干杯。

于 2014-12-30T01:11:58.880 回答