-----Ursprungligt meddelande-----
Från: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] För Glenn Shirley
Skickat: den 23 januari 2008 04:01
Till: 'Developer support list for Wireshark'
Ämne: Re: [Wireshark-dev] Can't see my protocol in "Decode As ..." menu
Hi Guy,
> On Jan 22, 2008, at 6:36 PM, Glenn Shirley wrote:
>
> > Hi Anders (et. al.),
> >
> > My protocol is based on an RTP payload type (e.g. 100) so my
> > dissector_add is as follows:
>
> ...
>
> > As mentioned before this was all working on a windows build
> but that
> > was a long time ago so I may have forgotten something.
>
> Your protocol can't show up correctly in "Decode As..."
> because "Decode As..." has no provision for RTP; it only
> handles Ethertypes, IP protocol types, and TCP and UDP port
> numbers. It never did have any provision for RTP, so I doubt
> you were *ever* able to see your protocol in the right place
> in "Decode As..."; if you'd registered it in the "tcp.port"
> or "udp.port" table, it'd show up for "Transport", but that
> would mean that the packet would be *directly* handed to your
> protocol's dissector, rather than being handed to the RTP
> dissector with the RTP dissector handing the payload to your
> dissector.
Yep, very true.
> Given RTP dynamic protocol types, perhaps "Decode As..."
> should be enhanced to support RTP, and give a list of all
> protocols for which dissectors have been registered with the
> "rtp.pt" table?
>That would be nice. The "Decode As" functionality is very limited as is
>(but still very handy). Being able to decode on a range of other fields
>would be extremely handy.
>See also my last email to the list about things working when I disable all
>but the essential protocols so looks like this is some sort of clash issue
>with the payload type.
>Cheers,
>Glenn.
If your RTP stream is signalled with SDP you might also want to register in
the table dissector_add_string("rtp_dyn_payload_type","string in SDP",
proto_handle);
Regards
Anders
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