On Mon, Oct 12, 2020 at 8:34 PM John Thacker <johnthac...@gmail.com> wrote:
> > On Mon, Oct 12, 2020, 8:00 PM Fulko Hew <fulko....@gmail.com> wrote: > >> >> I'm trying to update/improve someone else's decoder written in Lua. >> It's for a simple UDP (and TCP) based protocol. >> But I need to be able to get access to the upper layer >> to be able to decode it easily. >> >> Can someone provide an example of how to determine if the higher layer >> was UDP or TCP? >> > > If all you need to know is whether it was called from TCP or UDP, then a > typical approach is to create slightly different dissector functions, one > for TCP and one for UDP (they can then call a common function, setting a > parameter) and register the TCP dissector with TCP and the UDP dissector > with UDP. > That was my first alternativeb.com/wireshark/wireshark/-/wikis/protobuf <https://gitlab.com/wireshark/wireshark/-/wikis/protobuf> I liked this answer better, so I updated my dissector accordingly, and it's shorter, cleaner, and more obvious. ------------- Now the next question is: Can I submit this Lua based dissector for inclusion in the Wireshark project, or should I rewrite it as a 'C' based dissector, and submit that?
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