Wireshark · Wireshark-dev: Re: [Wireshark-dev] query proto tree within dissector

[Jeff Morriss <jeff.morriss.ws@xxxxxxxxx>]

Fruehwirth@xxxxxxxxx wrote:
> Hi,
>
> my custom dissector defines some subtrees.
>
> I added custom names for packet types like described here:
> http://www.wireshark.org/docs/wsdg_html_chunked/ChDissectAdd.html#id4724866
> -> Example 9.9. Naming the packet types.
>
> Now wireshark shows names for the type-field of packets as expected.
>
> Question:
> Is there a way to query the proto_tree after definition of subtries ??
>
> <code>
> proto_tree_add_item(myprot_header_tree, hf_myprot_type, tvb, offset, 2, 
> FALSE);
> </code>
> where hf_myprot_type is the field which adds naming to type-byte of the 
> protocol
>
> Is there a way to do somethin like this:
> <code>
> get_curren_stringvalue(hf_myprot_type);
> </code>

As far as I know, no.  You probably have to retrieve the value (using 
tvb_get_*()) and store it somewhere.