[bind10-dev] hooks in recursive server processing

[Likun Zhang]

> I am slogging through every single response we got for the DNS
> operational survey. We asked people for any ideas that they would want.
> 
> One person asked for the ability to "doctor" responses and a second
> person asked to be able to have an external module be called whenever
> there is a cache miss. To me, these seem to roll together as a slow
> version of inline filtering of the cache fill.
> 
> As you look at the design of the cache fill section, it would be nice if
> the design has the ability to a) route the cache fill request to a
> different module and b) have that module be able to call back into the
> upstream processing side of the cache fill. I am not saying anything
> about figuring out how to manage the capability or how the messages will
> be handled, I just want to say that this would be a nice thing that
> others could use.
> 
> It also gives me a nice example of how a non-ISC module might be used to
> seed further discussions of supporting non-ISC modules within the server.
> 
> I have made no promised that this will ever happen but I thought it
> might be timely to bring up the concept.

Hi Jerry,

I would like to think the 'hooks' idea has some relationship with our
currently b10-stats module, maybe we want to statistical result for cache
miss/hit.

Likun

Thanks