> From: Wireshark-dev <wireshark-dev-bounces@xxxxxxxxxxxxx> On Behalf Of qiangxiong.huang
> Sent: Wednesday, October 14, 2020 11:35 AM
> To: Developer support list for Wireshark <wireshark-dev@xxxxxxxxxxxxx>
> Subject: Re: [Wireshark-dev] lua decoder accessing info from layers above
>
> The best way is to check the pinfo. port_type to get the current transport protocol type. There is an example on this page: https://gitlab.com/wireshark/wireshark/-/wikis/protobuf
>
Indeed. Thanks for pointing this out. Although I'd say the Lua documentation about the port_type[1] is a bit lacking here. One needs to look at address.h[2] to find out what the values mean.
(Still curious why "frame.protocols" doesn’t work though.)
- Chris
[1]: https://www.wireshark.org/docs/wsdg_html_chunked/lua_module_Pinfo.html
[2]: https://gitlab.com/wireshark/wireshark/-/blob/master/epan/address.h#L360
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