Hi Yann,
In fact I hoped there is a way to get the info back from the tree once it is populated by the dissector.
But I return to my first idea that was to populate the COL_INFO during the dissection (at this time it is partially working, thx to Anders).
Regards,
Xavier.
-----Message d'origine-----
De : wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] De la part de BARILLY YANN
Envoyé : vendredi 13 février 2009 16:18
À : Developer support list for Wireshark
Objet : Re: [Wireshark-dev] Problems to fill COL_INFO in a new dissector
Hi,
I don't think you can get the info without find it in the tvbuff.
In my opinion, 2 possibilities:
- if the data is always at the same position, set an offset :
tvb_get_*(tvb(, ), STANDARD_OFFSET(, length));
- when you populate, update the COLL_INFO :
if (check_col(pinfo->cinfo, COL_INFO))
col_append_fstr(pinfo->cinfo, COL_INFO, " data: %s", data);
___________________
Yann BARILLY
Alcatel-Lucent Orvault
Internal : 2 105 1224
External : + 33 2 51 78 12 24
-----Original Message-----
From: wireshark-dev-bounces@xxxxxxxxxxxxx
[mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of xourciere.ext@xxxxxxxxxxxxxxxxxx
Sent: Thursday, February 12, 2009 7:30 PM
To: wireshark-dev@xxxxxxxxxxxxx
Subject: [Wireshark-dev] Problems to fill COL_INFO in a new dissector
Hello,
Well here is the full story.
I managed to code a new dissector from its ASN.1 description (Cisco CRSPv3).
Everything is working except that I want to have some informations showed in the column "Info".
At this time I can parse the tvb to match the info I need, but in this case the dissector does the same work 2 times (one time to get the info I need in the "Info" column and the other time with the dissector generated code to populate the tree).
So, is there a way to get the information dissected in the packet without parsing and doing the work of the dissector itself ? (NB: The code of the dissector is generated from the ASN.1 file)
Regards,
------------------------------------------
Xavier OURCIERE.
France Telecom R&D
------------------------------------------
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