Re: [Ethereal-dev] Fields and protocols relationships

[Stefano Pettini <spettini@xxxxxxxxxxxxxxxxxxxxx>]

Guy Harris wrote:

> Currently, that can't be done without modifying the "Decode As..." code 
> - the only fields that the "Decode As" window supports are:
>     the Ethernet type;
>     the IP protocol;
>     TCP ports;
>     UDP ports;
>     SCTP PPIs.

Ok. This means that I can't let the user choose the dissectors for a 
stack of 2 protocol over UDP.

> So dissector A would know whether it'd be calling dissector B or C, and 
> should dissect the options based on that.

The problem is it's difficult, for dissector A, to understand what's the 
upper layer protocol.

Thanks.

Stefano