c# - WCF 流 : Framing mode error in net. 仅 tcp

标签 c# wcf .net-4.0 stream nettcpbinding

我有一个应用程序服务器使用默认 transferMode="Buffered" 和一个 Streamed 服务实现一堆服务。它为 basicHttp 和 net.tcp 协议(protocol)公开端点，并在数十种 IIS 7.0+ 配置下正常运行。

当我去复制新应用程序服务器的架构时，通过 net.tcp 的流式传输根本无法工作，抛出完全不透明和迟钝的 ProtocolException

The .Net Framing mode being used is not supported by MyNetTcpEndpointAddress. See the server logs for more details.

是的，“服务器日志”。 (什么都没有，无论是否被跟踪。)S1 和 S2 的服务架构和 web.configs 是相同的，除了

  • 一些名字的变化
  • S2 中的自定义命名空间(S1 使用 tempuri)
  • 不同的端口(S1 和 S2 都使用 8000-9000 范围内的端口)

流媒体服务 S2 在 basicHttp 下工作得很好。

在尝试了所有方法但未能消除错误后，我构建了一个测试客户端，它除了使用一些 Ping 方法运行我的服务架构外什么都不做。没有自定义命名空间，没有多余的装饰，只有原始配置、精简版服务、契约(Contract)和围绕 ChannelFactory 代理的手工编码包装器。

同样的错误:

The .Net Framing mode being used is not supported by 'net.tcp://localhost:9931/StreamingService.svc'. See the server logs for more details.

缓冲测试服务在两种协议(protocol)下工作，流式服务在 basicHttp 下工作，与 S2 中一样。

所有测试均在具有完整 IIS 设置的同一台 Win7 机器上完成。测试应用仍然太大，无法在此处发布，但这里是完整的配置和控制台代码

web.config

<configuration>
  <connectionStrings>
  </connectionStrings>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
    <!-- throttling of stream size is partially controlled by this setting -->
    <httpRuntime maxRequestLength="1048576" /><!-- 1GB -->
  </system.web>
  <system.serviceModel>
    <serviceHostingEnvironment>
      <serviceActivations>
        <add relativeAddress="FooService.svc" service="WcfTest.Services.FooService" />
        <add relativeAddress="StreamingService.svc" service="WcfTest.Services.StreamingService" />
     </serviceActivations>
    </serviceHostingEnvironment>
    <behaviors>
      <serviceBehaviors>
        <behavior>
          <dataContractSerializer maxItemsInObjectGraph="200000" />
          <serviceMetadata httpGetEnabled="True"/>
          <serviceDebug includeExceptionDetailInFaults="true"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <bindings>
      <basicHttpBinding>
        <binding
                 openTimeout="00:20:00" sendTimeout="00:20:00" receiveTimeout="00:20:00" closeTimeout="00:20:00"
                 maxBufferSize="20000000" maxBufferPoolSize="20000000" maxReceivedMessageSize="20000000">
          <readerQuotas maxStringContentLength="12000" />
        </binding>
        <binding name="WcfTest.Streaming.Http" transferMode="Streamed"
                 openTimeout="03:00:00" sendTimeout="03:00:00" receiveTimeout="03:00:00" closeTimeout="03:00:00"
                 maxReceivedMessageSize="1073741824" /><!-- 1GB -->
      </basicHttpBinding>
      <netTcpBinding>
        <binding
                 openTimeout="00:20:00" sendTimeout="00:20:00" receiveTimeout="00:20:00" closeTimeout="00:20:00"
                 maxBufferSize="20000000" maxBufferPoolSize="20000000" maxReceivedMessageSize="20000000">
          <readerQuotas maxStringContentLength="12000" />
        </binding>
        <binding name="WcfTest.Streaming.Tcp" transferMode="Streamed"
                 openTimeout="03:00:00" sendTimeout="03:00:00" receiveTimeout="03:00:00" closeTimeout="03:00:00"
                 maxReceivedMessageSize="1073741824"><!-- 1GB -->
        </binding>
      </netTcpBinding>
    </bindings>
    <protocolMapping>
      <add scheme="http" binding="basicHttpBinding" />
      <add scheme="net.tcp" binding="netTcpBinding"/>
    </protocolMapping>
    <services>
      <service name="WcfTest.Services.Streaming">
        <!-- http -->
        <endpoint address="" binding="basicHttpBinding" bindingConfiguration="WcfTest.Streaming.Http" contract="WcfTest.Contracts.IStreamingService" />
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
        <!-- net.tcp -->
        <endpoint address="" binding="netTcpBinding" bindingConfiguration="WcfTest.Streaming.Tcp" contract="WcfTest.Contracts.IStreamingService" />
        <endpoint address="mex" binding="mexTcpBinding" contract="IMetadataExchange" />
      </service>
    </services>
  </system.serviceModel>
</configuration>

app.config

<configuration>
  <system.serviceModel>
    <behaviors>
      <endpointBehaviors>
        <behavior>
          <dataContractSerializer maxItemsInObjectGraph="200000"/>
        </behavior>
        <behavior name="customQuotaBehavior">
          <dataContractSerializer maxItemsInObjectGraph="2147483646"/>
        </behavior>
      </endpointBehaviors>
    </behaviors>
    <bindings>
      <basicHttpBinding>
        <binding
                 openTimeout="00:20:00" sendTimeout="00:20:00" receiveTimeout="00:20:00" closeTimeout="00:20:00"
                 maxBufferSize="20000000" maxBufferPoolSize="20000000" maxReceivedMessageSize="20000000">
          <readerQuotas maxStringContentLength="12000" />
        </binding>
        <binding name="WcfTest.Bindings.Streaming.Http" transferMode="Streamed"
                 openTimeout="03:00:00" sendTimeout="03:00:00" receiveTimeout="03:00:00" closeTimeout="03:00:00"
                 maxReceivedMessageSize="1073741824"><!-- 1GB -->
          </binding>
      </basicHttpBinding>

      <netTcpBinding>
        <binding
                 openTimeout="00:20:00" sendTimeout="00:20:00" receiveTimeout="00:20:00" closeTimeout="00:20:00"
                 maxBufferSize="20000000" maxBufferPoolSize="20000000" maxReceivedMessageSize="20000000">
          <readerQuotas maxStringContentLength="12000" />
        </binding>
        <binding name="WcfTest.Bindings.Streaming.Tcp" transferMode="Streamed"
                 openTimeout="03:00:00" sendTimeout="03:00:00" receiveTimeout="03:00:00" closeTimeout="03:00:00"
                 maxReceivedMessageSize="1073741824"><!-- 1GB -->
        </binding>
      </netTcpBinding>
    </bindings>
    <client>
      <!-- Foo -->
      <endpoint name="WcfTest.Endpoints.Foo.Http" address="http://localhost:9930/FooService.svc" binding="basicHttpBinding" contract="WcfTest.Contracts.IFooService" />
      <endpoint name="WcfTest.Endpoints.Foo.Tcp" address="net.tcp://localhost:9931/FooService.svc" binding="netTcpBinding" contract="WcfTest.Contracts.IFooService" />

      <!-- Streaming -->
      <endpoint name="WcfTest.Endpoints.Streaming.Http" address="http://localhost:9930/StreamingService.svc" binding="basicHttpBinding" bindingConfiguration="WcfTest.Bindings.Streaming.Http" contract="WcfTest.Contracts.IStreamingService" />
      <endpoint name="WcfTest.Endpoints.Streaming.Tcp" address="net.tcp://localhost:9931/StreamingService.svc" binding="netTcpBinding" bindingConfiguration="WcfTest.Bindings.Streaming.Tcp" contract="WcfTest.Contracts.IStreamingService" />
    </client>
  </system.serviceModel>
</configuration>

控制台测试调用

static void Main(string[] args)
        {
            Console.WriteLine("starting WcfTest client...");

            Console.WriteLine();
            PingFoo(Contracts.Enums.Protocol.Http);
            PingFoo(Contracts.Enums.Protocol.Tcp);

            Console.WriteLine();
            PingStreaming(Contracts.Enums.Protocol.Http);
            // only this call errors:
            PingStreaming(Contracts.Enums.Protocol.Tcp);

            Console.WriteLine();
            Console.Write("ENTER to exit WcfTest client...");
            Console.ReadLine();
        }

        private static bool PingFoo(Contracts.Enums.Protocol protocol)
        {
            FooProxy pxy = new FooProxy(protocol);
            return PingProxy<IFooService>(pxy, protocol);
        }

        private static bool PingStreaming(Contracts.Enums.Protocol protocol)
        {
            StreamingProxy pxy = new StreamingProxy(protocol);
            return PingProxy<IStreamingService>(pxy, protocol);
        }

        private static bool PingProxy<T>(ProxyServiceBase<T> pxy, Contracts.Enums.Protocol protocol) where T : IServiceBase
        {
            bool success = pxy.Ping(); 
            Console.WriteLine("ping {0} {1}: {2}", pxy.GetType().Name, protocol, success ? " success" : " FAILED");
            if (pxy != null)
                pxy.Close();
            return success;
        }

任何想法为什么这会在一个 IIS 站点上失败，在两个协议(protocol)之一下，而不是在另一个上？ (它不是 this 。)

编辑:在准备接受这个赏金方面，对这个测试服务和客户端进行一些澄清:

首先，根据评论者的建议，svcutil 对 http 工作正常，但对 net.tcp 失败。这是该运行的完整输出:

C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin>svcutil net.tcp://localhost:9931/StreamingService.svc Microsoft (R) Service Model Metadata Tool [Microsoft (R) Windows (R) Communication Foundation, Version 3.0.4506.2152] Copyright (c) Microsoft Corporation. All rights reserved.

Attempting to download metadata from 'net.tcp://localhost:9931/StreamingService.svc' using WS-Metadata Exchange. This UR L does not support DISCO. Microsoft (R) Service Model Metadata Tool [Microsoft (R) Windows (R) Communication Foundation, Version 3.0.4506.2152] Copyright (c) Microsoft Corporation. All rights reserved.

Error: Cannot obtain Metadata from net.tcp://localhost:9931/StreamingService.svc

If this is a Windows (R) Communication Foundation service to which you have access, please check that you have enabled m etadata publishing at the specified address. For help enabling metadata publishing, please refer to the MSDN documentat ion at http://go.microsoft.com/fwlink/?LinkId=65455.

WS-Metadata Exchange Error URI: net.tcp://localhost:9931/StreamingService.svc

Metadata contains a reference that cannot be resolved: 'net.tcp://localhost:9931/StreamingService.svc'.

The socket connection was aborted. This could be caused by an error processing your message or a receive timeout bei ng exceeded by the remote host, or an underlying network resource issue. Local socket timeout was '00:04:59.9929993'.

An existing connection was forcibly closed by the remote host

If you would like more help, type "svcutil /?"

其次，从上面粘贴的 Wcf.Bindings.Streaming.Tcp web 和应用程序配置中删除 "transferMode="Streamed" 允许服务正常 ping。它不会改善 svcutil 情况。

最后，这是我尝试过的其他一些没有改进的东西:

  • serviceBehaviors 中的各种版本的serviceMetadata 属性(据我所知无论如何都会被 mex 端点的存在覆盖)
  • 各种命名的 serviceBehaviors 而不是我包含的默认值
  • 绑定(bind)上security mode=的各种配置，尤其是None
  • 对所有其他绑定(bind)、端点等进行各种禁用，希望一件事可能妨碍另一件事

最佳答案

似乎服务端或客户端到 Streamed 的 tcp 通信的 transferMode 和另一端仍然使用默认模式，即 Buffered。

如果是 TCP，您是否忘记了“StreamingProxy”中的某些内容？

也许这会有所帮助... http://social.msdn.microsoft.com/Forums/vstudio/en-US/37e32166-63f3-4cb9-ab81-14caa50cd91e/help-with-error-message-the-net-framing-mode-being-used-is-not-supported-by-?forum=wcf

此外，我正在尝试进一步寻找您的解决方案...

关于c# - WCF 流 : Framing mode error in net. 仅 tcp，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/20807142/

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