1: #!/usr/bin/perl
2: $|=1;
3: # User Status
4: # $Id: userstatus.pl,v 1.13 2006/06/02 21:36:21 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: use strict;
31: use lib '/home/httpd/lib/perl/';
32: use LONCAPA::Configuration;
33: use LONCAPA;
34: use HTTP::Headers;
35: use IO::File;
36:
37:
38: my %usercount;
39: my @actl=('Active','Moderately Active','Inactive');
40:
41:
42: print "Content-type: text/html\n\n";
43:
44: # -------------------- Read loncapa.conf (and by default, loncapa_apache.conf).
45: &main();
46:
47: sub analyze_time {
48: my ($since)=@_;
49: my $color="#000000";
50: my $userclass=$actl[0];
51: if ($since>300) { $color="#222222"; }
52: if ($since>600) { $color="#444444"; }
53: if ($since>1800) { $color="#666666"; $userclass=$actl[1]; }
54: if ($since>7200) { $color="#888888"; }
55: if ($since>21600) { $color="#AAAAAA"; $userclass=$actl[2]; }
56: return ($color,$userclass);
57: }
58:
59: sub add_count {
60: my ($cat,$scope,$class)=@_;
61: if (!defined($usercount{$cat})) {
62: $usercount{$cat}={};
63: }
64: if (!defined($usercount{$cat}{$scope})) {
65: $usercount{$cat}{$scope}={};
66: }
67: $usercount{$cat}{$scope}{$class}++;
68: }
69:
70: sub main {
71: my $perlvar=LONCAPA::Configuration::read_conf('loncapa.conf');
72: delete $$perlvar{'lonReceipt'}; # remove since sensitive and not needed
73: delete $$perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
74:
75: my $oneline=($ENV{'QUERY_STRING'} eq 'simple');
76: my $justsummary=($ENV{'QUERY_STRING'} eq 'summary');
77: unless ($oneline) { print "<html><body bgcolor=#FFFFFF>\n<h1>User Status ".localtime()."</h1>"; }
78:
79: opendir(DIR,$$perlvar{'lonIDsDir'});
80: my @allfiles=(sort(readdir(DIR)));
81: foreach my $filename (@allfiles) {
82: if ($filename=~/^\./) { next; }
83: if ($filename=~/^publicuser_/) { next; }
84: my ($dev,$ino,$mode,$nlink,
85: $uid,$gid,$rdev,$size,
86: $atime,$mtime,$ctime,
87: $blksize,$blocks)=stat($$perlvar{'lonIDsDir'}.'/'.$filename);
88: my $now=time;
89: my $since=$now-$mtime;
90: my $sinceacc=$now-$atime;
91: unless ($oneline || $justsummary) { print ("\n\n<hr />"); }
92: my %userinfo;
93: ($userinfo{'user.name'},undef,$userinfo{'user.domain'})=
94: split('_',$filename);
95: my ($color,$userclass)=&analyze_time($since);
96: &add_count('Overall','all',$userclass);
97: &add_count('Domain',$userinfo{'user.domain'},$userclass);
98:
99: unless ($oneline) {
100: my $fh=IO::File->new($$perlvar{'lonIDsDir'}.'/'.$filename);
101: while (my $line=<$fh>) {
102: chomp($line);
103: my ($name,$value)=split(/\=/,$line);
104: $name = &unescape($name);
105: $value = &unescape($value);
106: $userinfo{$name}=$value;
107: }
108: $fh->close();
109: if (!$justsummary) {
110: print '<font color="'.$color.'">';
111: print '<h3>'.$userinfo{'environment.lastname'}.', '.
112: $userinfo{'environment.firstname'}.' '.
113: $userinfo{'environment.middlename'}.' '.
114: $userinfo{'environment.generation'}." (".
115: $userinfo{'user.name'}."\@".$userinfo{'user.domain'}.
116: ")</h3>\n<b>Login time:</b> ".
117: localtime($userinfo{'user.login.time'}).
118: ' <b>Browser</b>: '.$userinfo{'browser.type'}.
119: " on ".$userinfo{'browser.os'}."<b>Client:</b> ".
120: $userinfo{'request.host'}."<br />\n<b>Role: </b>".
121: $userinfo{'request.role'}." ";
122: }
123: &add_count('Browser',$userinfo{'browser.type'},$userinfo{'browser.version'});
124: &add_count('OS',$userinfo{'browser.os'},$userinfo{'browser.type'});
125: if ($userinfo{'request.course.id'}) {
126: my $cid=$userinfo{'request.course.id'};
127: my $coursename= $userinfo{'course.'.$cid.'.description'}.
128: ' ('.$cid.')';
129: if (!$justsummary) { print "<b>Course:</b> ".$coursename; }
130: &add_count('Course',$coursename,$userclass);
131: } else {
132: if (!$justsummary) { print "Not in a course."; }
133: &add_count('Course','No Course',$userclass);
134: }
135: if (!$justsummary) {
136: print "<br /><b>Last Transaction:</b> ".localtime($mtime).
137: " (".$since." secs ago) <br /><b>Last Access:</b> ".
138: localtime($atime)." (".$sinceacc." secs ago)";
139: print ("</font>");
140: }
141: }
142: }
143: closedir(DIR);
144: open (LOADAVGH,"/proc/loadavg");
145: my $loadavg=<LOADAVGH>;
146: close(LOADAVGH);
147: unless ($oneline) {
148: print "<hr /><h2>User Counts</h2>";
149: # print "<pre>\n";
150: &showact('Overall',%usercount);
151: &showact('Domain',%usercount);
152: &showact('Course',%usercount);
153: &show('Browser',%usercount);
154: &show('OS',%usercount);
155:
156: # print "\n</pre>";
157: print "<b>Load Average:<b> ".$loadavg;
158: print "</body></html>";
159: } else {
160: foreach my $l1 (sort keys %usercount) {
161: foreach my $l2 (sort keys %{$usercount{$l1}}) {
162: foreach my $l3 (sort keys %{$usercount{$l1}{$l2}}) {
163: print $l1.'_'.$l2.'_'.$l3.'='.$usercount{$l1}{$l2}{$l3}.'&';
164: }
165: }
166: }
167: #clusterstatus values
168: foreach my $act (@actl) {
169: print "$act=".$usercount{'Overall'}{'all'}{$act}.'&';
170: }
171: print 'loadavg='.$loadavg;
172: }
173: }
174:
175: sub show {
176: my ($cat,%usercount)=@_;
177: print("<h3>$cat</h3>\n");
178: foreach my $type (sort(keys(%{$usercount{$cat}}))) {
179: print("<table border='1'><tr><th>$type</th><th>");
180: print(join("</th><th>",sort(keys(%{$usercount{$cat}{$type}}))));
181: my $temp;
182: my $count=0;
183: foreach my $version (sort(keys(%{$usercount{$cat}{$type}}))) {
184: $temp.="<td>".$usercount{$cat}{$type}{$version}.
185: "</td>";
186: $count+=$usercount{$cat}{$type}{$version};
187: }
188: print("</th></tr><tr><td>$count</td>");
189: print($temp."</tr></table>\n");
190: }
191: }
192:
193: sub showact {
194: my ($cat,%usercount)=@_;
195: print("<h3>$cat</h3>\n");
196:
197: print("<table border='1'><tr><th></th><th>");
198: print(join("</th><th>",('Any',@actl)));
199: print("</th></tr>");
200: foreach my $type (sort(keys(%{$usercount{$cat}}))) {
201: print("<tr><td>$type</td>");
202: my $temp;
203: my $count=0;
204: foreach my $activity (@actl) {
205: $temp.="<td> ".$usercount{$cat}{$type}{$activity}."</td>";
206: $count+=$usercount{$cat}{$type}{$activity};
207: }
208: print("<td>$count</td>");
209: print($temp);
210: }
211: print("</tr></table>\n");
212: }
213:
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