Wireshark-bugs: [Wireshark-bugs] [Bug 7715] Bluetooth: Add SAP dissector

Date: Thu, 13 Sep 2012 06:23:38 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7715

--- Comment #13 from Anders Broman <anders.broman@xxxxxxxxxxxx> 2012-09-13 06:23:38 PDT ---
> Anders: you mean we replace the GString proto1:proto2:... with a list of IDs
> and the frame dissector creates the string for its tree (if required)?
> Best regards,
>   Martin
Well getting way of topic here, for your particular "problem" would having
"Previous_protocol" alongside "current_protocol" help?

I'm looking at speeding up filtering by not dissecting packets known not to
have the protocol to which the filter belongs. If no protocol can be found for
the filter all frames should be dissected.
To do that I need a list of the protocols in the frame which is saved in
frame_data. My initial idea was to use the GString but in the light of this
discussion I'm considering using the GSlist for per frame proto data insted,
changing that to have a entry for eatch protocol in the frame regardless of if
any data is added or not.
The problem here is that data per packet adds up for huge trace files...

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