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Posted to issues@nifi.apache.org by GitBox <gi...@apache.org> on 2022/01/12 00:18:17 UTC

[GitHub] [nifi] exceptionfactory commented on pull request #5560: NIFI-9321 - Updated ListenTCPRecord to use a netty server instead of …

exceptionfactory commented on pull request #5560:
URL: https://github.com/apache/nifi/pull/5560#issuecomment-1010501062


   Netty provides a [ByteBufInputStream](https://netty.io/4.1/api/io/netty/buffer/ByteBufInputStream.html), which could be combined with [SequenceInputStream](https://docs.oracle.com/javase/8/docs/api/java/io/SequenceInputStream.html) and a custom [Enumeration](https://docs.oracle.com/javase/8/docs/api/java/util/Enumeration.html) to pass `ByteBuf` messages received on `channelRead0()`.  The key detail would be the `Enumeration` implementation.  The implementation would need to block on the `hasMoreElements()` method, and eventually return `false` when the Netty channel is closed.


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