ngx_http_get_module_loc_conf() and r->internal weirdness

[Maxim Dounin]

Hello!

On Thu, Jan 07, 2010 at 02:01:08PM +0100, Srebrenko Šehić wrote:

> On Thu, Jan 7, 2010 at 1:23 PM, Maxim Dounin <mdounin at mdounin.ru> wrote:
> > Hello!
> >
> > On Thu, Jan 07, 2010 at 07:19:55AM +0100, Srebrenko Šehić wrote:
> >
> >> On Tue, Dec 29, 2009 at 11:03 PM, Srebrenko Šehić <ssehic at gmail.com> wrote:
> >> > Hi list,
> >> >
> >> > While working on extending nginx' Perl support, I stumbled upon the
> >> > following behavior.
> >> >
> >> > If an input handler issues a internal redirect via
> >> > ngx_http_internal_redirect(), a call to
> >> > ngx_http_get_module_loc_conf(r, ngx_http_X_module) inside an
> >> > NGX_HTTP_LOG_PHASE handler returns NULL. If the request is not an
> >> > internal redirect, the call returns the expected location config.
> >> >
> >> > Any idea why?
> >>
> >> I've still found a solution for this. Anyone with a clue?
> 
> Hi,
> 
> > You are doing something wrong.  As you may see in log module - it
> > uses ngx_http_get_module_loc_conf() happily and works ok with
> > internal redirects.  Internal redirects clear module contexts, but
> > not configs.
> 
> Yes. I did have a look. However, the difference is that my module
> issues an internal redirect in it's own input handler. When the
> registered LOG_PHASE handler runs in the same module - the local
> config is gone.

Try producing minimal code that triggers the problem and post it 
for review.  As long as we don't know what you did - we can't find 
out what's wrong.

Maxim Dounin