Network management protocols like VRRP or OSPF have this function
(multiple PDUs in the one UDP frame) so check their dissectors for an
example.
Regards, Martin
MartinVisser99@xxxxxxxxx
On 19 March 2011 00:08, Chipi <norbert.kocsis@xxxxxxxxx> wrote:
> 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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