Wireshark-dev: Re: [Wireshark-dev] How do I nest dissectors
From: "Hal Lander" <[email protected]>
Date: Sat, 18 Nov 2006 08:20:45 -0900
I cannot find the "critical" file readme.DISSECTORS either on the website or in the downloaded doc directory. I am probably being thick, but I even looked for it on the old ethereal site.
Can you post me url to the file or the file itself.

Thanks
Hal



From: Brian Vandenberg <[email protected]>
Reply-To: [email protected],Developer support list for Wireshark <[email protected]>
To: Developer support list for Wireshark <[email protected]>
Subject: Re: [Wireshark-dev] How do I nest dissectors
Date: Fri, 17 Nov 2006 08:12:14 -0700

  Your best bet is to visit the wireshark website's developer info
section.  In particular, you should read readme.DEVELOPER,
readme.PLUGINS, and readme.DISSECTORS (the latter is critical).

  The dissectors one is long, but worth the read.

-Brian

Hal Lander wrote:
> The protocol I want to dissect ' foo' is contained within the data of a UPD
> packet.
> Normall Wireshark would display the UPD packet showing it has a length of 44 > bytes and displaying its source and destination. It would also show that the
> UDP packet contains 36 bytes of data (which is where my protocol is).
>
> Once I introduce my dissector using
>     dissector_add("udp.port", 2080, ff_handle);
> Wireshark shows foo packets with a length of 44 and no other information.
>
> I was expecting Wireshark to first dissect the UDP packet, then stat to
> dissect my foo protocol in the data of the UDP.
>
> I am obviously not understanding how to nest the dissectors, can anybody
> point me in the right direction.
>
> TIA
> Hal
>
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