Wireshark mailing list archives

Multiple messages in one UDP packet


From: Chipi <norbert.kocsis () gmail com>
Date: Fri, 18 Mar 2011 14:08:52 +0100

Hi,

I have to write a dissector for an internal protocol over UDP. In some cases
the UDP packets can contain multiple messages (only full messages, so there
wont be any message split up into two UDP packets), and I would like to know
if there is a way to display multiple messages from an udp packet, like
MySQL dissector does over TCP? (it uses tcp_dissect_pdus, but as I saw,
there's no similar functions for udp)
I looked around but I couldn't figure out how to call my dissector multiple
times for the same packet.

So it should look like this:

-- FRAME
-- ETHERNET II FRAME
-- IP FRAME
-- UDP FRAME
-- MY PROTOCOL FRAME
-- MY PROTOCOL FRAME
-- MY PROTOCOL FRAME
-- MY PROTOCOL FRAME


Thanks in advance!

Chipi
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