What about doing something like this (taken from the packet-cops.c) ?
proto_item *ti;
ti = proto_tree_add_text(tree, tvb, offset, len,
"PEP Id is not a NULL
terminated ASCII string");
expert_add_info_format(pinfo, ti, PI_MALFORMED, PI_NOTE,
"PEP Id is not a NULL
terminated ASCII string");
This highlights the section of packet data where the problem lies, but
displays a string not taken from the packet data. It also adds an
expert item, which makes the item easier to navigate to.
Hope this helps,
Martin
On 6/29/07, Jaap Keuter <jaap.keuter@xxxxxxxxx> wrote:
How about: proto_tree_add_debug_text() ?
Thanx,
Jaap
kannoll wrote:
>
>
> I am running into some error conditions in decoding WLCCP and would like
to
> catch the error and print a nice message in the protocol tree at the point
> the error occurs and stop decoding at that point.
>
> I have the logic down, but I'm trying to understand the best way to place
> the "nice message" into the protocol tree. Proto_tree_add_string sounds
like
> the right function, but the arguments seem to indicate otherwise. I think
> proto_tree_add_string is going to add a string to the tree based on data
> that is pulled from the packet.
>
> In my case, though, I'm not basing my string on data that's in the packet.
> Instead, it's just a nice warning message that something is wrong with the
> packet format.
>
> What's the best way to handle this?
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