Now I feel stupid. $sub->handler was supposed to be "$sub->handler".
That's what you get for being impatient.
Ric
----- Original Message -----
From: "Richard Clarke" <[EMAIL PROTECTED]>
To: "Richard Clarke" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Wednesday, November 06, 2002 4:08 PM
Subject: Re: OO handlers
> I should add that this segv only happens when using push_handlers like
> below. If I put Control::Super::Sub->handler inside a <Location> tag in
> httpd.conf then it is fine.
>
> Ric
>
> ----- Original Message -----
> From: "Richard Clarke" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, November 06, 2002 3:55 PM
> Subject: OO handlers
>
>
> > List,
> > Tired of having 10 modules all with near identical handler methods I
> > decided to put the handler method into a superclass and be done with
> > maintaining the same code 10 times. I first tried this a couple of weeks
> ago
> > and it failed to work, because at the time I couldn't find the reference
> to
> > OO style handler methods in my Eagle book. Since the mod_perl cookbook
is
> > now available on safari I had a quick flick through and noticed a brief
> > mention on OO style handler methods along with the snippet of info I
> needed
> > i.e. sub handler ($$).
> >
> > To cut a long story short my subclasses are now empty (for the moment)
and
> > they inherit (or a least should be doing) from the main superclass.
> > Something like,
> > use Control/Super.pm
> > @Control::Super::Sub::ISA = Control::Super;
> >
> > I use a "dispatch" module with a basic handler to choose which module
will
> > process a particular uri.
> > It now adds the module to be called like follows,
> > my $sub = join '::', 'Control', ucfirst $module, ucfirst $sub_stage;
> > $r->push_handlers('PerlHandler',$sub->handler);
> >
> > The meaning of $module and $sub_stage is unimportant here.
> >
> > And the Superclass handler looks like
> > sub handler ($$) {
> > my $self = shift;
> > my $r = Apache::Request->instance(shift);
> > # do stuff
> > }
> >
> > Testing this with httpd -X causes a segfault every time I go to the URL.
> So
> > my question is, before I try to figure out why it segv's, is this kind
of
> > thing allowed?, or is there some caveat which prevents handlers being
> > invoked if they come from a supeclass?
> >
> > All help appreciated as usual,
> > Richard.
> >
> >
> >
> >
>
>
>
>
