File:
[LON-CAPA] /
loncom /
lonnet /
perl /
lonrep.pm
Revision
1.13:
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Thu Apr 26 01:18:47 2007 UTC (17 years, 3 months ago) by
albertel
Branches:
MAIN
CVS tags:
version_2_5_X,
version_2_5_2,
version_2_5_1,
version_2_5_0,
version_2_4_X,
version_2_4_99_0,
version_2_4_2,
version_2_4_1,
version_2_4_0,
version_2_3_99_0,
HEAD
- attempt to work around an error that was seen
1: # The LearningOnline Network
2: # Replication Manager
3: #
4: # $Id: lonrep.pm,v 1.13 2007/04/26 01:18:47 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: package Apache::lonrep;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonnet;
34: use Apache::File();
35: use CGI::Cookie();
36:
37: sub update_filename {
38: my ($r,$filename) = @_;
39: my $oldfile = $r->filename($filename);
40: if ($ENV{'MOD_PERL_API_VERSION'} == 2
41: && -e $filename) {
42: eval {
43: require APR::Finfo;
44: require APR::Const;
45: $r->finfo(APR::Finfo::stat($filename,
46: &APR::Const::FINFO_NORM(),
47: $r->pool));
48: };
49: if ($@) {
50: return $@;
51: }
52: }
53: return;
54: }
55:
56: sub handler {
57: my $r = shift;
58: if (-e $r->finfo) {
59: return OK;
60: } else {
61: my $filename=$r->filename.$r->path_info;
62: if ($filename=~/\/$/) { return OK; }
63: if (-e "$filename.in.transfer") {
64: sleep 10;
65: if (-e $filename) {
66: my $error = &update_filename($r,$filename);
67: if ($error) {
68: $r->log_reason('Update filename failed '.$error);
69: return HTTP_SERVICE_UNAVAILABLE;
70: }
71: return OK;
72: } else {
73: $r->log_reason("Waiting for file transfer timed out",$filename);
74: return HTTP_SERVICE_UNAVAILABLE;
75: }
76: } else {
77: my $response=&Apache::lonnet::repcopy($filename);
78: if ($response eq 'ok' && -e $filename) {
79: $r->path_info('');
80: my $error = &update_filename($r,$filename);
81: if ($error) {
82: $r->log_reason('Update filename failed after replication '.$error);
83: return HTTP_SERVICE_UNAVAILABLE;
84: }
85: return OK;
86: }
87: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
88: my $lonid=$cookies{'lonID'};
89: if ($lonid) {
90: $r->log_reason('Replication failed for '.$lonid->value);
91: return $response;
92: } else {
93: $r->log_reason('Replication failed for unknown user');
94: return FORBIDDEN;
95: }
96: }
97: }
98: }
99:
100: 1;
101: __END__
102:
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