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  1. Thrift
  2. THRIFT-3000

.NET implementation has trouble with mixed IP modes

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 0.9.2, 0.9.3
    • Fix Version/s: 0.11.0
    • Component/s: C# - Library
    • Labels:
      None
    • Environment:

      Windows 7 / Windows 8 / Windows 8.1 / .NET 3.5 / .NET 4.0 / .NET 4.5

    • Patch Info:
      Patch Available

      Description

      The .NET implementation of TSocket and TServerSocket use the .NET class TcpClient and TcpListener. When creating instances of theses classes the .NET framework estabiles either an IPv4 or an IPv6 lsitener/client depending on the order of network protocols set in the control center for the network adapter. Mention that only the first type of protocol is used not both. Microsoft switched the default order og ipv4 over ipv6 in windows 7 to ipv6 over ipv4 in windows 8 and 8.1. That means that a thrift component on a win 7 machine can not talk to the same component on a win 8 machine since they fired of different listeners.

      When upgrading to .NET 4.5 this can be solved by setting the DualMode=true flag on the TcpListener.Server and the TcpClient.Client sockets. Since DualMode is not supported in Mono as of February 2015. The patch can not be applied.

      Another possible solutions would be to get the configuration of the network protocol order manually and apply the approvriate ip protocol by hand.

      Yet a third possibility would by to add a parameter to the TSocket and TServerSocket constructors to let the user choose the behaviour of the TcpListener and TcpClient

      This problem was attmepted to be solved in the pull request https://github.com/apache/thrift/pull/377 which was rejected due to mono incompatibility

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              • Assignee:
                jensg Jens Geyer
                Reporter:
                shardevel Tobias Mundt
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                • Created:
                  Updated:
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