Wireshark-dev: Re: [Wireshark-dev] LUA development changing column headers
From: "Luis EG Ontanon" <[email protected]>
Date: Fri, 13 Jun 2008 11:57:28 +0200
You cannot add columns that way using Lua, Lua can use just the
columns that are already there under pinfo.columns ...
The outdated example you talk about does not create a column it just
switches over the src and dst addresses.

On Fri, Jun 13, 2008 at 12:04 AM, Rowswell, Brent
<[email protected]> wrote:
> Over the past few weeks I've been trying to make a LUA script to parse out
> my header information, open up the packet and display the necessary data in
> a various tree structure.  So far all of that has been done well enough, but
> I find that the packets that I have dissected come maybe once every 300
> packets, which makes it pretty hard to compare packets.  What I've been
> trying to do is either edit the packet column data, such as where the ip
> source or destination is displayed into my own data, or add a new column of
> my own type so that I can sort the data, which will then put all of my
> packets next to each other.  I know that on the wiki of lua examples there's
> an outdated way of doing something similar, but it no longer works with the
> current 1.0.0 build of wireshark.  I was wondering if I could get some help
> in how the syntax should look, for instance if this would work:  using
> pinfo.cols to grab the packet's columns, and upon that use
> :_newindex("Msgtype", "NameofMsg") to put in a new column named Msgtype
> where this packets data in that column would be NameofMsg, thus the message
> would look like
> pinfo.cols:_newindex("Msgtype","NameofMsg")
> If anyone can think of another way of doing this, either by adding a new
> column or changing the text of an existing one, I would be appreciative.
> Brent Rowswell
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