Wireshark-bugs: [Wireshark-bugs] [Bug 11917] Custom types dissection in RTPS
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 23 Dec 2015 06:29:22 +0000

Comment # 6 on bug 11917 from 
(In reply to Michael Mann from comment #5)
> Am I understanding this right that there's some sort of "tag system" in RTPS
> , where the "tag" would be a Wireshark dissector name that would be called
> on the data that follows it in the packet?

Hi Michael,

Yes. In RTPS, the relationship between the type and the writerId is sent before
in the "Discovery phase". Currently, thanks to an enhancement uploaded
previously, Wireshark keeps that relationship mapped and uses it to show the
typeName and topicName for each sample.

What I am adding here, is the code to try to dissect the data using a dissector
registered with the name of the type (which would be the option that makes
sense in RTPS, using the topicName doesn't make more sense).

Creating that user data dissector is something the user has to do, but at least
now the user has a way to make it.

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