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  1. MINA
  2. DIRMINA-1033

Expose METADATA parameter for NioDatagramSession

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Details

    • Bug
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • 2.0.13
    • None
    • Transport
    • Centos 7, Windows 7
    • Patch

    Description

      The CumulativeProtocolHandler doesn't accumulate for UDP transport.
      It's because METADATA for NioDatagramSession is created as

      static final TransportMetadata METADATA = new DefaultTransportMetadata("nio", "datagram", true, false, InetSocketAddress.class, DatagramSessionConfig.class, IoBuffer.class);

      Where 4th parameter is fragmentation parameter. Thus it thinks there are no fragmentation for UDP transport.

      NioDatagramSession METADATA should be created as:
      static final TransportMetadata METADATA = new DefaultTransportMetadata("nio", "datagram", true, true,
      InetSocketAddress.class, DatagramSessionConfig.class, IoBuffer.class);

      Where 4th parameter is true, marking fragmentation is true for UDP.

      Or the METADATA parameter can be exposed to developer.

      This is link to the mailing list discussion.
      http://apache-mina.10907.n7.nabble.com/CumulativeProtocolDecoder-and-UDP-td18927.html

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