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From "Archie Cobbs (JIRA)" <>
Subject [jira] Commented: (NET-344) Telnet client: Support Listener Notification of Incoming Data
Date Mon, 22 Nov 2010 20:03:15 GMT


Archie Cobbs commented on NET-344:

FYI, the latest version of my combined patch to fix NET-343, NET-344, and NET-345 can be found

Please use this version as I'll be keeping it up to date.

> Telnet client: Support Listener Notification of Incoming Data
> -------------------------------------------------------------
>                 Key: NET-344
>                 URL:
>             Project: Commons Net
>          Issue Type: New Feature
>          Components: Telnet
>    Affects Versions: 2.0
>            Reporter: Archie Cobbs
>         Attachments: patch2.txt
> I am in the process of trying to implement a Java client for [RFC 2217|],
which is the protocol for accessing serial ports over TCP. Unfortunately, the commons-net
telnet client is insufficient for this relatively simple task.
> There are two missing features in the commons-net telnet client code, one of which is
a show stopper (NET-343) and the other of which would be a "real nice to have". This issue
documents the second problem:
> The API I am trying to support requires the ability to notify a listener that new incoming
data is available. This would be trivial for me to do if only my library could somehow itself
get a listener notification from the {{TelnetInputStream}} reader thread every time it reads
new data. Unfortunately, there's no API provided for doing this, even though it would be trivial.
So I have to implement a hack that requires a wrapper {{InputStream}} with yet another internal
reader thread, etc. Bleh.
> I'm going to attempt to come up with a patch and will attach it here if successful.

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