On Fri, Mar 04, 2005 at 11:07:34AM -0500, Aziz KEZZOU wrote: > 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
You can only go so far with generic parsing. Eventually you will want some protocol specific value to be extracted and your parser will have to know about what the packet looks like. What are you trying to do, exactly? -- Bosko Milekic [EMAIL PROTECTED] [EMAIL PROTECTED] _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
