Date: Fri, 4 Mar 2005 11:07:34 -0500 From: Aziz KEZZOU <opensource.enthousiat@gmail.com> To: freebsd-net@freebsd.org, hackers@freebsd.org Subject: generic network protocols parser ? Message-ID: <37e13166050304080715525d7e@mail.gmail.com>
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Hi all, I am wondering if any one knows about a generic parser which takes a packet (mbuf) of a certain protocol (e.g RSVP ) as input and generates some data structre representing the packet ? I've been searching for a while and found that ethereal and tcpdump for example use specific data structres and functions to dissect each protocol packets. Is this the only approach possible ? My supervisor suggested using a TLV (Type/Length/Value) approach instead. Any opinions about that? If no such a parser exists is there any practical reason why ? Thanks, Aziz
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