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File:  [LON-CAPA] / loncom / interface / lontest.pm
Revision 1.16: download - view: text, annotated - select for diffs
Thu Apr 7 06:56:23 2005 UTC (19 years, 1 month ago) by albertel
Branches: MAIN
CVS tags: HEAD
- ENV -> env

    1: # The LearningOnline Network with CAPA
    2: # A debugging harness.
    3: #
    4: # $Id: lontest.pm,v 1.16 2005/04/07 06:56:23 albertel Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: #
   29: 
   30: package Apache::lontest;
   31: 
   32: use strict;
   33: use Apache::Constants qw(:common :http);
   34: use GDBM_File;
   35: use Apache::loncommon;
   36: use Apache::lonnet;
   37: 
   38: # section takes one env var name as input, and returns
   39: # what section the given env var is in, which is the part
   40: # of the env var before the first period.
   41: # Returns the section, or blank string for 'no section',
   42: # which is normal for the standard env vars like REQUEST_URI.
   43: sub section
   44: {
   45:     my ($name) = @_;
   46:     return $1 if $name =~ m/\A([^.]*)\./;
   47:     return '';
   48: }
   49: 
   50: sub print_hash {
   51:     my ($r,$hash)=@_;
   52:     my $i=0;
   53:     my $interval = 20; # change this to change how many keys/table
   54:     my $prevSection = ''; # keeps track of the section we're in.
   55: 
   56:     foreach my $envkey (sort(keys(%{$hash}))) {
   57: 	if (not ($i % $interval)) {
   58: 	    $r->print('</table>') unless $i eq 0;
   59: 	    $r->print('<table border="0">');
   60: 	}
   61: 	my $sec = section($envkey);
   62: 	
   63: 	if ($prevSection ne $sec) { # new section, print header 
   64: 	    $r->print('<tr><td colspan="2">');
   65: 	    $r->print("<br /><br /><h2 style='color: #008800'><u>$sec</u></h2>");
   66: 	    $r->print('</td></tr>');
   67: 	    $prevSection = $sec;
   68: 	}
   69: 
   70: 	my $envVal = $hash->{$envkey};
   71: 	$envVal =~ s/(.{50})/$1\<wbr\>/g;
   72: 	$envkey =~ s/(.{30})/$1\<wbr\>/g;
   73: 	 
   74: 	$r->print("<tr><td valign='top'><b>$envkey</b></td>");
   75: 	$r->print("<td valign='top'>$envVal</td></tr>\n");
   76: 	$i++;
   77:     }
   78: 
   79:     $r->print('</table></font><h1>Total Number of Elements: '.$i.'</h1>');
   80: }
   81: sub handler {
   82:     my $r = shift;
   83:     &Apache::loncommon::content_type($r,'text/html');
   84:     $r->send_http_header;
   85:     return OK if $r->header_only;
   86: 
   87:     my $html=&Apache::lonxml::xmlbegin();
   88:     my $bodytag=&Apache::loncommon::bodytag("List Environment","admin");
   89:     $r->print($html.'<head></head>'.$bodytag);
   90:  
   91:     $r->print("<hr /><h1>Debugging</h1><hr />\n");
   92:     $r->print("<font face='Courier'>");
   93:      
   94:     my %differences=%ENV;
   95:     foreach my $key (sort(keys(%env))) {
   96: 	if ($env{$key} eq $differences{$key}) {
   97: 	    delete($differences{$key});
   98: 	}
   99:     }
  100:     &print_hash($r,\%differences);
  101:     &print_hash($r,\%env);
  102:     &print_hash($r,\%ENV);
  103: # ------------------------------------------------ If in a course, print hashes
  104:     if ($env{'request.course.id'}) {
  105: 
  106: 	my %parmhash;
  107: 	my %symbhash;
  108: 	my %hash;
  109: 
  110: 	my $fn=$env{'request.course.fn'};
  111: 
  112: 	if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) {
  113: 	    $r->print('<h2>Big Hash</h2>');
  114: 	    foreach (sort keys %hash) {
  115: 		$r->print("\n<br />".$_.': '.$hash{$_});
  116: 	    }
  117: 	    untie %hash;
  118: 	} else {
  119: 	    $r->print('<h2>Count not tie big hash</h2>');
  120: 	}
  121: 	if (tie(%parmhash,'GDBM_File',
  122: 		$env{'request.course.fn'}.'_parms.db',
  123: 		&GDBM_READER(),0640)) {
  124: 	    $r->print('<h2>Parm Hash</h2>');
  125: 	    foreach (sort keys %parmhash) {
  126: 	        $r->print("\n<br />".$_.': '.$parmhash{$_});
  127: 	    }
  128: 	    untie %parmhash;
  129: 	} else {
  130:             $r->print('<h2>Could not tie parmhash</h2>');
  131: 	}
  132: 	if (tie(%symbhash,'GDBM_File',"$fn\_symb.db",&GDBM_READER(),0640)) {
  133:             $r->print('<h2>Symb Hash</h2>');
  134:             foreach (sort keys %symbhash) {
  135: 		$r->print("\n<br />".$_.': '.$symbhash{$_});
  136:             }
  137:             untie %symbhash;
  138: 	} else {
  139:             $r->print('<h2>Could not tie symbhash</h2>');
  140: 	}
  141: 	if (-e $fn.'.state') {
  142: 	    $r->print('<h2>State</h2>');
  143: 	    my @conditions=();
  144: 	    {
  145: 		my $fh=Apache::File->new($fn.'.state');
  146: 		@conditions=<$fh>;
  147: 	    }
  148: 	    foreach (@conditions) {
  149: 		$r->print('<tt>'.$_.'</tt><br />');
  150: 	    }
  151: 	}
  152:     }
  153:  
  154: # ------------------------------------------------------------------- End Debug
  155:      $r->print('</body></html>');    
  156:      return OK;
  157:  }
  158: 
  159: 
  160: 1;
  161: __END__
  162: 
  163: 
  164: 
  165:
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