Re: UAT and Apply Callback

[Jeff Morriss <jeff.morriss.ws () gmail com>]

Bryant Eastham wrote:
> Jeff Morriss wrote:
> > The K12xx dissector uses a UAT preference and applying changes to its 
> > UAT preference takes effect immediately.  It appears that registering
> a 
> > UAT preference involves defining a callback function that is called
> when 
> > the preference is applied/updated.
>
> > Is that registered callback you're referring to?  Or do you mean the 
> > proto_reg_handoff function
>
> I checked the K12 dissector and couldn't find anything different from
> what I am doing.
>
> The callback that doesn't seem to be called is passed in
> prefs_register_protocol. The K12 dissector doesn't use that callback,
> and so it must be using some other method to apply its changes.
>
> I should clarify that the changes are "applied" to the data structures
> in question (and the callbacks associated with each UAT are being
> called). The problem is that Wireshark doesn't reprocess the packets as
> it does when I change other properties.

I just tried it again (with the current SVN) and the packets are 
reprocessed after applying the K12 preferences.  Or, at least, packets 
that were not previously dissected as anything (because the K12 
preferences weren't set up right) are, after closing the preferences 
window, dissected as what I want.
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