Ethereal-dev: Re: [Ethereal-dev] Fields and protocols relationships

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From: Stefano Pettini <spettini@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 02 Jan 2005 20:52:54 +0100
LEGO wrote:


Take a look at packet-ip.c
take a look at packet-udp.c:
Thanks. This is a good example of how to chain protocol dissectors, but this doesn't solve my problem.
It's similar to the following: I have to dissect some IP fields only if the higher layer protocol is TCP, and dissection code for these fields is TCP specific. If I have UDP instead of TCP, the dissection code for the same fields is different. And I don't have ip.proto field :-( 

Stefano