Perrin responded to my question below.  His response works with what I'm
trying to do.  Let me know if you think this is a bad idea.

On Tue, 2005-08-16 at 09:20 -0700, Justin Luster wrote:
> The way it relates is that in the previous code I was doing this:
> 
>   my $r = Apache->request;
> 
>   $r->content_type('text/html');
> 
> It seems that in Mod_Perl 2.0 this does not work.

It has changed to this:
Apache2::RequestUtil->request()

And you need to set this in your conf:
PerlOptions +GlobalRequest

Read the porting guide:
http://perl.apache.org/docs/2.0/user/porting/compat.html#C_Apache_E_gt_r
equest_

> From
> the documentation that I read it seems that Mod_Perl wraps up my 
> main.pl code into a "handler()" function.  The documentation then 
> describes that it passes the ApacheObj as the 1st parameter to this 
> function.

That's correct, you can get it that way.

> So by
> doing this:
> 
> my $ModPerlObj = @_[0];
> 
> I'm able to get that ApacheObj and pass it to my code.  I don't think 
> that I need it to be different for each request.

No, you really do.  When you create a closure, it keeps the first
request that comes in and you will never be setting the content-type on
any request after that.  I expect it will fail and possibly cause memory
problems.  All you need to do to fix your code is to pass $r instead of
making a closure:

use strict;
use warnings;

my $r = shift;
main::start($r);

package main;

sub start {
    my $r = shift;
    authlib::Initialize($r);
}


I'm not sure it's worth having the separate sub at all though, if that's
all that's in it.

> We ship our code out to clients throughout the world.  Because of this

> our code could be run on any type of Mod_Perl system.  So it would be 
> nice to find a method that would work with anything out there.  It is 
> frustrating that something as simple as this could not stay consistent

> across versions.

You can't really expect your code to work on beta pre-release versions.
People need to keep up to some degree if they want to use unstable code.
The 2.0 release is stable, and the 1.x series is stable.  Pre-release
versions of 2.0 are totally unsupported.


> We generally do not rely on outside Perl libraries.  We try to keep 
> all of the code that our clients need wrapped up in our Perl files.  
> This way we are not relying on the end computer as much.

We do this too, by packaging all of the CPAN modules we use in a bundle
that we compile and access locally, not from site_perl.

> Sorry, I'm not the "Musician's Friend" but I'm still a nice guy :)

I remember your winning photo from last year.  This year's was not as
good.

- Perrin

-----Original Message-----
From: Philip M. Gollucci [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, August 16, 2005 10:36 AM
To: Justin Luster
Cc: modperl@perl.apache.org
Subject: Re: Mod_Perl 2.0 Header question

 >I find that this breaks under some versions of Mod_Perl 2.0.  I'm 
 >working with two older versions: 1.99_07-dev and 1.99_12 both on Linux

 >machines.
You should really try to use at least RC 5+

> My confusion is how to send the proper 2.0 header.  In my in-house 
> version Apache->request; does not seem to work.  The 2.0 documentation

> says use Apache2::RequestUtil but that does not work either.  My
clients 
> version however works with Apache->request and I'm confused as to why.
Apache2::RequestUtil doesn't exist in the versions you mentioned.  Its 
still called Apache::RequestUtil.
http://perl.apache.org/docs/2.0/rename.html

To answer your question though, I believe you could do something like 
this, *untested*

unless ($ENV{GATEWAY_INTERFACE} =~ /Perl/) {
   ## CGI script or commandline

   if ($ENV{GATEWAY_INTERFACE} =~ /CGI/) {
     ## CGI
   }
   else {
     ## Commandline
   }
}
elsif ($ENV{MOD_PERL_API_VERSION} == 2) {
   ## mod_perl 2 RC 5 +
}
elsif (eval { require mod_perl } && $mod_perl::VERSION > 1.99) {
   ## mod_perl 1.9900 -> 1.99022 which is RC4
}
elsif ( $mod_perl::VERSION < 1.99) {
   ## mod_perl 1.x
}
else {
   ## fatal error .. I don't think this will get hit
}

Also, to send content headers in at least mp2, you should be using

i.e.
$r->content_header('text/html');


END
------------------------------------------------------------
     What doesn't kill us can only make us stronger.
                 Nothing is impossible.
                                
Philip M. Gollucci ([EMAIL PROTECTED]) 301.254.5198
Consultant / http://p6m7g8.net/Resume/
Senior Developer / Liquidity Services, Inc.
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