Re: [mp2] reliable methods to prevent handlers from repeating

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Dorian Taylor wrote:
> suppose i wanted the same logic as:
> 
>     return Apache::DECLINED unless $r->is_initial_req;
> 
> except that sometimes it may be necessary to serve for a subrequest,
> just not more than once. the construct i tried is:
> 
>     for (my $pr = $r; $pr; $pr = $pr->prev) {
>         if ($pr->notes->get(__PACKAGE__ . '::SEEN')) {
>             $r->log->debug("We've been seen already.");
>             return Apache::DECLINED;
>         }       
>     }
>     $r->notes->set(__PACKAGE__ . '::SEEN', 1);
> 
> but i get no love. what's the preferred way of dealing with this?

instead of looping around try $r->main->notes or $r->prev->notes

HTH

--Geoff