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Annotation of loncom/lonnet/perl/lonrep.pm, revision 1.14

1.1       albertel    1: # The LearningOnline Network
                      2: # Replication Manager
1.6       www         3: #
1.14    ! albertel    4: # $Id: lonrep.pm,v 1.13 2007/04/26 01:18:47 albertel Exp $
1.6       www         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: #
1.1       albertel   28: 
                     29: package Apache::lonrep;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common :http);
1.9       albertel   33: use Apache::lonnet;
1.1       albertel   34: use Apache::File();
                     35: 
1.11      albertel   36: sub update_filename {
                     37:     my ($r,$filename) = @_;
                     38:     my $oldfile = $r->filename($filename);
1.12      albertel   39:     if ($ENV{'MOD_PERL_API_VERSION'} == 2
                     40: 	&& -e $filename) {
1.13      albertel   41: 	eval {
                     42: 	    require APR::Finfo;
                     43: 	    require APR::Const;
                     44: 	    $r->finfo(APR::Finfo::stat($filename, 
                     45: 				       &APR::Const::FINFO_NORM(),
                     46: 				       $r->pool));
                     47: 	};
                     48: 	if ($@) {
                     49: 	    return $@;
                     50: 	}
1.11      albertel   51:     }
1.13      albertel   52:     return;
1.11      albertel   53: }
                     54: 
1.1       albertel   55: sub handler {
                     56:     my $r = shift;
                     57:     if (-e $r->finfo) {
                     58:       return OK;
                     59:     } else {
                     60:       my $filename=$r->filename.$r->path_info;
1.5       www        61:       if ($filename=~/\/$/) { return OK; }
1.2       www        62:       if (-e "$filename.in.transfer") {
1.1       albertel   63: 	sleep 10;
1.12      albertel   64:         if (-e $filename) {
1.13      albertel   65: 	    my $error = &update_filename($r,$filename);
                     66: 	    if ($error) {
                     67: 		$r->log_reason('Update filename failed '.$error);
                     68: 		return HTTP_SERVICE_UNAVAILABLE;
                     69: 	    }
1.12      albertel   70: 	    return OK;
1.1       albertel   71:         } else {
1.12      albertel   72: 	    $r->log_reason("Waiting for file transfer timed out",$filename);
                     73: 	    return HTTP_SERVICE_UNAVAILABLE;
1.1       albertel   74:         }
                     75:       } else {
1.13      albertel   76:           my $response=&Apache::lonnet::repcopy($filename);
1.12      albertel   77:           if ($response eq 'ok' && -e $filename) {
1.10      albertel   78: 	      $r->path_info('');
1.13      albertel   79: 	      my $error = &update_filename($r,$filename);
                     80: 	      if ($error) {
                     81: 		  $r->log_reason('Update filename failed after replication '.$error);
                     82: 		  return HTTP_SERVICE_UNAVAILABLE;
                     83: 	      }
1.4       www        84:               return OK;
1.3       www        85:           }
1.14    ! albertel   86:           my $handle = &Apache::lonnet::check_for_valid_session($r);
        !            87:           if ($handle) {
        !            88: 	     $r->log_reason('Replication failed for '.$handle);
1.4       www        89:              return $response;
                     90: 	  } else {
                     91: 	     $r->log_reason('Replication failed for unknown user'); 
                     92:              return FORBIDDEN;
                     93:           } 
1.1       albertel   94:       }
1.2       www        95:     }
1.1       albertel   96: }
                     97: 
                     98: 1;
                     99: __END__
                    100: 
                    101: 
                    102: 
                    103: 
                    104: 
                    105: 
                    106: 
                    107: