Re: accessing environment variables set by other modules

You need to use $f->r->subprocess_env in the filter.  subprocess_env is 
a RequestRec method, not a Filter method.

Adam

Chris Datfung wrote:
> On Thu, Apr 15, 2010 at 12:23 AM, Perrin Harkins <[email protected] 
> <mailto:[email protected]>> wrote:
> 
>     The subprocess_env info that Adam sent you should have worked.  Can
>     you show us what you tried?  Can you try it in a response handler to
>     make sure it's not an odd bug with filters?
> 
> 
> Hi Perrin,
> 
> Thanks, subprocess_env works when just using a response handler. When 
> used with a filter I get the following error message:
> 
> ==================================================================
> [Thu Apr 15 11:47:34 2010] [error] [client 127.0.0.1] Can't locate 
> object method "subprocess_env" via package "Apache2::Filter" at 
> /opt/modperl//TE/ST.pm line 40.\n
> [Thu Apr 15 11:47:34 2010] [debug] core.c(3765): [client 127.0.0.1] 
> (500)Unknown error 500: default_handler: ap_pass_brigade returned 500
> [Thu Apr 15 11:47:34 2010] [error] [client 127.0.0.1] Can't locate 
> object method "subprocess_env" via package "Apache2::Filter" at 
> /opt/modperl//TE/ST.pm line 40.\n
> ==================================================================
> 
> Can I test the script to use Apache2:RequestRec for the subprocess_env?
> 
> The source of the package is as follows:
> ==================================================================
> package TE::ST;
> 
> use strict;
> use warnings;
> use Apache2::Filter ();
> use Apache2::RequestRec ();
> use Apache2::RequestIO ();
> use APR::Table ();
> 
> BEGIN { push @INC, "/opt/modperl/"; }
> 
> use Apache2::Const -compile => qw(OK);
> use constant BUFF_LEN => 1024;
> 
> sub handler 
> {
>     my $f = shift;
>     $f->subprocess_env;
>     my $envar = $ENV{TE};
> 
> 
>     unless ($f->ctx)
>     {   
>         while ($f->read(my $buffer, BUFF_LEN))
>         {
>             $buffer =~ s/It/Chris/g;
>             $buffer .= "[" . $envar . "]";
>             $f->print($buffer);
>         }
>         return Apache2::Const::OK;
>     }
> }
> 1;
> ==================================================================
> 
> Finally, the TE Apache environment variable is set in the virtual host 
> config via:
> 
> SetEnv TE TEST
>  
> Thanks,
> - Chris
>