Re: Protocol filter

[Paul Offord <Paul.Offord () advance7 com>]

Thanks Pascal,

I did this:

        pi = proto_tree_add_item(tree, proto_transum, tvb, 0, -1, ENC_NA);
        rte_tree = proto_item_add_subtree(pi, ett_transum);

It works a treat.  It also fixed a problem I had where right clicking on the tree header and choosing Protocol 
Preferences failed to show the preference settings.

Thanks and regards…Paul

From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-bounces () wireshark org] On Behalf Of Pascal Quantin
Sent: 18 September 2016 18:12
To: Developer support list for Wireshark <wireshark-dev () wireshark org>
Subject: Re: [Wireshark-dev] Protocol filter

Hi Paul,

2016-09-18 19:01 GMT+02:00 Paul Offord <Paul.Offord () advance7 com<mailto:Paul.Offord () advance7 com>>:
Hi,

I am trying to get the TRANSUM post-dissector to allow a filter with the expression “transum”.  I expect it to just 
display packets that have a TRANSUM RTE Data subtree in them – which is what the LUA version does – just like “tcp” or 
“http” or “tds”.  When I type the word “transum” into the display filter box the background shows as green, but when I 
apply the filter no packets are displayed.  Filter on other values in the TRANSUM RTE Data subtree work fine e.g. 
transum.art>1

I’ve looked through the various README files in the doc directory but I can’t find any mention of this.  What do I need 
to do to get this to work?

You need to add a line

proto_tree_add_item(tree, proto_transum, tvb, 0, -1, ENC_NA);
at the beginning of the main dissection function.


The code is available on Gerrit – change 17750.

Note that there is an issue with this changeset, that is a followup of changeset 17757 that you abandoned, and not a 
full standalone patch adding all the transum code.

Pascal.

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