# The LearningOnline Network with CAPA
# A debugging harness.
#
# $Id: lontest.pm,v 1.16 2005/04/07 06:56:23 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
#
package Apache::lontest;
use strict;
use Apache::Constants qw(:common :http);
use GDBM_File;
use Apache::loncommon;
use Apache::lonnet;
# section takes one env var name as input, and returns
# what section the given env var is in, which is the part
# of the env var before the first period.
# Returns the section, or blank string for 'no section',
# which is normal for the standard env vars like REQUEST_URI.
sub section
{
my ($name) = @_;
return $1 if $name =~ m/\A([^.]*)\./;
return '';
}
sub print_hash {
my ($r,$hash)=@_;
my $i=0;
my $interval = 20; # change this to change how many keys/table
my $prevSection = ''; # keeps track of the section we're in.
foreach my $envkey (sort(keys(%{$hash}))) {
if (not ($i % $interval)) {
$r->print('') unless $i eq 0;
$r->print('
');
}
my $sec = section($envkey);
if ($prevSection ne $sec) { # new section, print header
$r->print('
');
}
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
my $html=&Apache::lonxml::xmlbegin();
my $bodytag=&Apache::loncommon::bodytag("List Environment","admin");
$r->print($html.''.$bodytag);
$r->print("
Debugging
\n");
$r->print("");
my %differences=%ENV;
foreach my $key (sort(keys(%env))) {
if ($env{$key} eq $differences{$key}) {
delete($differences{$key});
}
}
&print_hash($r,\%differences);
&print_hash($r,\%env);
&print_hash($r,\%ENV);
# ------------------------------------------------ If in a course, print hashes
if ($env{'request.course.id'}) {
my %parmhash;
my %symbhash;
my %hash;
my $fn=$env{'request.course.fn'};
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) {
$r->print('