I have now built a program that takes the frames and sends them into Wireshark through a pipe. Works really good, thanks for the tip.
In Wireshark the frames go into the SocketCAN dissector which I have modified and added DeviceNet to. Next step is to build the DeviceNet Dissector.
I want to tie the DeviceNet dissector to the existing CIP dissector, but in order to use the CIP Dissector I have to modify the packet and insert body type information and perhaps modify it so that it fits the CIP-protocol. Is it possible to do that? And if possible, is there some information somewhere about how to do it? My Google Ninja skill haven't been able to find any information.
Regards
Hans-Jörgen
-----Original Message-----
From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Kurt Knochner
Sent: den 10 augusti 2012 15:40
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] DeviceNet dissector
Hans-Jörgen Gunnarsson wrote:
> We are trying to develop a dissector for DeviceNet. We want it to ...
> and partly decodes them. The problem is that it might be better to
> pick the DeviceNet-messages directly from the dongle into Wireshark.
> Perhaps through SocketCAN or something like that. ...
> We haven't found a good way to do this though. Do you have any ideas
> or thoughts?
Please take a look at my answer in the following question at ask.wireshark.org.
http://ask.wireshark.org/questions/12102/logging-can-bus-data-to-ws-in-windows
I mentioned a project Wsbridge (link in the answer). They faced a similar problem and solved it by using pipes. The code for Wsbridge is available and it should give you some ideas.
Regards
Kurt
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