Wireshark mailing list archives

Re: Registering protocol details


From: Paul Offord <Paul.Offord () advance7 com>
Date: Sun, 7 Aug 2016 11:10:40 +0000

Hi Anders,

Thanks for the prompt reply.  I’ve read through exported_pdu.h and I don’t understand how this helps me.  Is there 
somewhere I can read more about using exported_pdu functions?

Thanks and regards…Paul

From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-bounces () wireshark org] On Behalf Of Anders Broman
Sent: 07 August 2016 11:02
To: Developer support list for Wireshark <wireshark-dev () wireshark org>
Subject: Re: [Wireshark-dev] Registering protocol details


Den 7 aug. 2016 11:25 fm skrev "Paul Offord" <Paul.Offord () advance7 com<mailto:Paul.Offord () advance7 com>>:

Hi,



I’ve written a small program that converts web logs into pcap-ng files with a dummy Ethernet header

You could use the exported pdu format
See exported_pdu.h in epan directory. Should you need new tags for meta information those could be added.
Regards
Anders

I’m now writing a dissector for the resulting pcap-ng file.  The problem is that the number and meaning of the 
“columns” in the log is not predictable – it depends on the web log format settings.  Therefore the first entry in the 
pcap-ng file contains the name of the field, a definition of the data type and the column position.  In the dissector, 
I read this first record and then set up an hf_register_info array.  That’s the background, now my question.



Can I make calls to proto_register_xxx functions in my dissector, or must they be made from proto_register_xxxx?



Thanks and regards…Paul


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