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From "Archie Cobbs (JIRA)" <>
Subject [jira] Created: (NET-344) Telnet client: Support Listener Notification of Incoming Data
Date Fri, 19 Nov 2010 21:13:25 GMT
Telnet client: Support Listener Notification of Incoming Data

                 Key: NET-344
             Project: Commons Net
          Issue Type: New Feature
          Components: Telnet
    Affects Versions: 2.0
            Reporter: Archie Cobbs

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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