File:
[LON-CAPA] /
loncom /
cgi /
ping.pl
Revision
1.5:
download - view:
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select for diffs
Mon Sep 1 03:37:27 2003 UTC (20 years, 11 months ago) by
albertel
Branches:
MAIN
CVS tags:
version_2_3_X,
version_2_3_2,
version_2_3_1,
version_2_3_0,
version_2_2_X,
version_2_2_99_1,
version_2_2_99_0,
version_2_2_2,
version_2_2_1,
version_2_2_0,
version_2_1_X,
version_2_1_99_3,
version_2_1_99_2,
version_2_1_99_1,
version_2_1_99_0,
version_2_1_3,
version_2_1_2,
version_2_1_1,
version_2_1_0,
version_2_0_X,
version_2_0_99_1,
version_2_0_2,
version_2_0_1,
version_2_0_0,
version_1_99_3,
version_1_99_2,
version_1_99_1_tmcc,
version_1_99_1,
version_1_99_0_tmcc,
version_1_99_0,
version_1_3_X,
version_1_3_3,
version_1_3_2,
version_1_3_1,
version_1_3_0,
version_1_2_X,
version_1_2_99_1,
version_1_2_99_0,
version_1_2_1,
version_1_2_0,
version_1_1_X,
version_1_1_99_5,
version_1_1_99_4,
version_1_1_99_3,
version_1_1_99_2,
version_1_1_99_1,
version_1_1_99_0,
version_1_1_3,
version_1_1_2,
version_1_1_1,
version_1_1_0,
version_1_0_99_3,
version_1_0_99_2,
version_1_0_99_1,
version_1_0_99,
HEAD
- adding more GPL headers
1: #!/usr/bin/perl
2: # ping cgi-script
3: # $Id: ping.pl,v 1.5 2003/09/01 03:37:27 albertel Exp $
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27:
28:
29: $|=1;
30:
31: use lib '/home/httpd/lib/perl/';
32: use LONCAPA::Configuration;
33:
34: use IO::File;
35: use IO::Socket;
36:
37: my %perlvar;
38:
39: # -------------------------------------------------- Non-critical communication
40: sub reply {
41: my ($cmd,$server)=@_;
42: my $peerfile="$perlvar{'lonSockDir'}/$server";
43: my $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
44: Type => SOCK_STREAM,
45: Timeout => 10)
46: or return "con_lost";
47: print $client "$cmd\n";
48: my $answer=<$client>;
49: chomp($answer);
50: if (!$answer) { $answer="con_lost"; }
51: return $answer;
52: }
53:
54:
55: # --------------------- Read loncapa.conf (and by default loncapa_apache.conf).
56: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
57: %perlvar=%{$perlvarref};
58: undef $perlvarref; # remove since sensitive and not needed
59: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
60: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
61:
62: $testhost=$ENV{'QUERY_STRING'};
63: $testhost=~s/\W//g;
64:
65: print "Content-type: text/plain\n\n".
66: &reply('ping',$testhost)."\n";
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