Export shows new filters after "configure soft" before any update

[Inrin]

On Fri, Mar 22, 2024 at 05:00:00PM +0100, Ondrej Zajicek via Bird-users wrote:
>On Fri, Mar 22, 2024 at 03:56:12PM +0100, Inrin via Bird-users wrote:
>> Hiho,
>>
>> I noticed that `birdc show route export <proto>` after a `configure soft`
>> shows the state with the new export filter, even if no update ocurred.
>> The PCAP also shows, as long as no external update comes in, no updates
>> are send out on the wire.
>>
>> Using export tables makes it possible to see the "real" state.
>> For example, until a new external update or a `reload out` it shows the
>> "old filter" state.
>>
>> For import filters it's different.
>> It shows the "old" state until an external update comes in or `reload in` is
>> used. With or without import tables or `keep filtered on`.
>>
>> Since the help states:
>>     configure soft ["<file>"] [timeout [<sec>]]    Reload configuration and ignore changes in filters
>> it should be like for the import case and show the "old" state until an
>> update comes in or `reload out` is used.
>>
>> Finally to my question:
>> Is this behaviour intentional?
>
>Hi
Hi

>It is intentional. Unless explicitly requested by 'show route import
>table' or 'show route export table', we use data from regular routing
>tables for this commands. Therefore, it shows routes that either
>really are in the routing table (i.e. 'old' state when import filters
>are changed), or compute current export filter for 'show route export'.
>We have to use the current export filter, as after reconfigure we do
>not keep the old one.

Thank you for the explanation and confirmation!

-- 
Inrin