Annotation of loncom/cgi/userstatus.pl, revision 1.17

1.1       www         1: #!/usr/bin/perl
                      2: $|=1;
                      3: # User Status
1.17    ! raeburn     4: # $Id: userstatus.pl,v 1.16 2007/10/02 01:36:31 albertel Exp $
1.7       albertel    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: 
1.17    ! raeburn    29: use strict;
1.1       www        30: 
                     31: use lib '/home/httpd/lib/perl/';
1.17    ! raeburn    32: use Apache::lonlocal;
1.1       www        33: use LONCAPA::Configuration;
1.17    ! raeburn    34: use LONCAPA::loncgi;
1.1       www        35: use HTTP::Headers;
1.15      albertel   36: use GDBM_File;
1.1       www        37: 
1.17    ! raeburn    38: # -------------------- Read loncapa.conf (and by default, loncapa_apache.conf).
        !            39: my $perlvar=&LONCAPA::Configuration::read_conf('loncapa.conf');
1.5       albertel   40: 
1.17    ! raeburn    41: print "Content-type: text/html\n\n";
1.5       albertel   42: my %usercount;
                     43: my @actl=('Active','Moderately Active','Inactive');
                     44: 
1.17    ! raeburn    45: &main($perlvar);
1.5       albertel   46: 
                     47: sub analyze_time {
                     48:     my ($since)=@_;
                     49:     my $color="#000000";
                     50:     my $userclass=$actl[0];
1.14      albertel   51:     if ($since>300) { $color="#222222"; $userclass=$actl[1]; }
1.5       albertel   52:     if ($since>600) { $color="#444444"; }
1.14      albertel   53:     if ($since>1800) { $color="#666666"; }
1.5       albertel   54:     if ($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}={};
1.1       www        66:     }
1.5       albertel   67:     $usercount{$cat}{$scope}{$class}++;
1.1       www        68: }
1.5       albertel   69: 
                     70: sub main {
1.17    ! raeburn    71:     my ($perlvar) = @_;
1.5       albertel   72:     delete $$perlvar{'lonReceipt'}; # remove since sensitive and not needed
                     73:     delete $$perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
                     74: 
1.17    ! raeburn    75:     if (!&LONCAPA::loncgi::check_ipbased_access()) {
        !            76:         if (!&LONCAPA::loncgi::check_cookie_and_load_env()) {
        !            77:             &Apache::lonlocal::get_language_handle();
        !            78:             print &LONCAPA::loncgi::missing_cookie_msg();
        !            79:             return;
        !            80:         }
        !            81: 
        !            82:         if (!&LONCAPA::loncgi::can_view('userstatus')) {
        !            83:             &Apache::lonlocal::get_language_handle();
        !            84:             print &LONCAPA::loncgi::unauthorized_msg('userstatus');
        !            85:             return;
        !            86:         }
        !            87:     }
        !            88: 
        !            89:     &Apache::lonlocal::get_language_handle();
        !            90:     my (%gets,$dom,$oneline,$justsummary);
        !            91:     &LONCAPA::loncgi::cgi_getitems($ENV{'QUERY_STRING'},\%gets);
        !            92:     if (defined($gets{'simple'})) { 
        !            93:         $oneline = 'simple'; 
        !            94:     } 
        !            95:     if (defined($gets{'summary'})) { 
        !            96:         $justsummary = 'summary'; 
        !            97:     }
        !            98:  
        !            99:     my %lt = &Apache::lonlocal::texthash(
        !           100:                   usrs                => 'User Status',
        !           101:                   login               => 'Login time',
        !           102:                   on                  => 'on',
        !           103:                   Client              => 'Client',
        !           104:                   role                => 'Role',
        !           105:                   notc                => 'Not in a course',
        !           106:                   ltra                => 'Last Transaction',
        !           107:                   lacc                => 'Last Access',
        !           108:                   secs                => 'secs ago',
        !           109:                   usrc                => 'User Counts',
        !           110:                   load                => 'Load Average',
        !           111:                   Overall             => 'Overall',
        !           112:                   Domain              => 'Domain',
        !           113:                   Course              => 'Course',
        !           114:                   Browser             => 'Browser',
        !           115:                   OS                  => 'OS',
        !           116:                   Active              => 'Active',
        !           117:                   'Moderately Active' => 'Moderately Active',
        !           118:                   Inactive            => 'Inactive',
        !           119:             );
        !           120:     
        !           121:     unless ($oneline) {
        !           122:         my $now = time();
        !           123:         print '<html><body bgcolor="#FFFFFF">'."\n".
        !           124:               "<h1>$lt{'usrs'} ".&Apache::lonlocal::locallocaltime($now).'</h1>';
        !           125:     }
1.5       albertel  126: 
                    127:     opendir(DIR,$$perlvar{'lonIDsDir'});
                    128:     my @allfiles=(sort(readdir(DIR)));
1.14      albertel  129:     my %users;
1.5       albertel  130:     foreach my $filename (@allfiles) {
                    131: 	if ($filename=~/^\./) { next; }
1.12      albertel  132: 	if ($filename=~/^publicuser_/) { next; }
1.5       albertel  133: 	my ($dev,$ino,$mode,$nlink,
                    134: 	    $uid,$gid,$rdev,$size,
                    135: 	    $atime,$mtime,$ctime,
                    136: 	    $blksize,$blocks)=stat($$perlvar{'lonIDsDir'}.'/'.$filename);
                    137: 	my $now=time;
                    138: 	my $since=$now-$mtime;
                    139: 	my $sinceacc=$now-$atime;
1.14      albertel  140: 	#unless ($oneline || $justsummary) { print ("\n\n<hr />"); }
1.5       albertel  141: 	my %userinfo;
1.11      albertel  142: 	($userinfo{'user.name'},undef,$userinfo{'user.domain'})=
                    143: 	    split('_',$filename);
1.5       albertel  144: 	my ($color,$userclass)=&analyze_time($since);
                    145: 	&add_count('Overall','all',$userclass);
                    146: 	&add_count('Domain',$userinfo{'user.domain'},$userclass);
                    147: 	
                    148: 	unless ($oneline) {
1.15      albertel  149: 	    if (!tie(%userinfo,'GDBM_File',
                    150: 		     $$perlvar{'lonIDsDir'}.'/'.$filename,
                    151: 		     &GDBM_READER(),0640)) {
                    152: 		next;
1.11      albertel  153: 	    }
1.5       albertel  154: 	    if (!$justsummary) {
1.14      albertel  155: 		$users{$userclass}{$filename} .=
                    156: 		    '<font color="'.$color.'">'.
                    157: 		    '<h3>'.$userinfo{'environment.lastname'}.', '.
1.5       albertel  158: 		    $userinfo{'environment.firstname'}.' '.
                    159: 		    $userinfo{'environment.middlename'}.' '.
                    160: 		    $userinfo{'environment.generation'}." (".
                    161: 		    $userinfo{'user.name'}."\@".$userinfo{'user.domain'}.
1.16      albertel  162: 		    ")</h3>\n".
                    163: 		    "<p><tt>$filename</tt></p>".
1.17    ! raeburn   164: 		    "<b>$lt{'login'}:</b> ".
        !           165: 		    &Apache::lonlocal::locallocaltime($userinfo{'user.login.time'}).
        !           166: 		    " <b>$lt{'Browser'}</b>: ".$userinfo{'browser.type'}.
        !           167: 		    " $lt{'on'} ".$userinfo{'browser.os'}."<b>$lt{'Client'}:</b>".
        !           168: 		    $userinfo{'request.host'}."<br />\n<b>$lt{'role'}: </b>".
1.5       albertel  169: 		    $userinfo{'request.role'}." ";
                    170: 	    }
                    171: 	    &add_count('Browser',$userinfo{'browser.type'},$userinfo{'browser.version'});
1.10      albertel  172: 	    &add_count('OS',$userinfo{'browser.os'},$userinfo{'browser.type'});
1.5       albertel  173: 	    if ($userinfo{'request.course.id'}) {
                    174: 		my $cid=$userinfo{'request.course.id'};
                    175: 		my $coursename= $userinfo{'course.'.$cid.'.description'}.
                    176: 		    ' ('.$cid.')';
1.14      albertel  177: 		if (!$justsummary) { 
                    178: 		    $users{$userclass}{$filename} .= 
1.17    ! raeburn   179: 			"<b>$lt{'Course'}:</b> ".$coursename; 
1.14      albertel  180: 		}
1.5       albertel  181: 		&add_count('Course',$coursename,$userclass);
                    182: 	    } else {
1.14      albertel  183: 		if (!$justsummary) {
1.17    ! raeburn   184: 		    $users{$userclass}{$filename} .= $lt{'notc'}; 
1.14      albertel  185: 		}
1.5       albertel  186: 		&add_count('Course','No Course',$userclass);
                    187: 	    }
                    188: 	    if (!$justsummary) {
1.14      albertel  189: 		$users{$userclass}{$filename} .=
1.17    ! raeburn   190: 		    "<br /><b>$lt{'ltra'}:</b> ".&Apache::lonlocal::locallocaltime($mtime).
        !           191: 		    " (".$since." $lt{'secs'}) <br /><b>$lt{'lacc'}:</b> ".
        !           192: 		    &Apache::lonlocal::locallocaltime($atime)." (".$sinceacc." $lt{'secs'})".
1.14      albertel  193: 		    "</font>";
                    194: 	    }
                    195: 	}
1.15      albertel  196: 	untie(%userinfo);
1.14      albertel  197:     }
                    198:     if (!$oneline && !$justsummary) {
                    199:        	foreach my $class (@actl) {
1.17    ! raeburn   200: 	    print("\n\n<hr /><h1>$lt{$class}</h1>");    
1.14      albertel  201: 	    foreach my $filename (sort(keys(%{$users{$class}}))) {
                    202: 		print("\n\n".$users{$class}{$filename}."\n\n<hr />");    
1.5       albertel  203: 	    }
                    204: 	}
                    205:     }
1.14      albertel  206: 
1.5       albertel  207:     closedir(DIR);
                    208:     open (LOADAVGH,"/proc/loadavg");
                    209:     my $loadavg=<LOADAVGH>;
                    210:     close(LOADAVGH);
                    211:     unless ($oneline) { 
1.17    ! raeburn   212: 	print "<hr /><h2>$lt{'usrc'}</h2>";
1.5       albertel  213: #	print "<pre>\n";
1.17    ! raeburn   214: 	&showact('Overall',\%lt,%usercount);
        !           215: 	&showact('Domain',\%lt,%usercount);
        !           216: 	&showact('Course',\%lt,%usercount);
        !           217: 	&show('Browser',\%lt,%usercount);
        !           218: 	&show('OS',\%lt,%usercount);
1.5       albertel  219: 
                    220: #	print "\n</pre>";
1.17    ! raeburn   221: 	print "<b>$lt{'load'}:<b> ".$loadavg;
1.5       albertel  222: 	print "</body></html>";
                    223:     } else {
1.6       albertel  224: 	foreach my $l1 (sort keys %usercount) {
                    225: 	    foreach my $l2 (sort keys %{$usercount{$l1}}) {
                    226: 		foreach my $l3 (sort keys %{$usercount{$l1}{$l2}}) {
                    227: 		    print $l1.'_'.$l2.'_'.$l3.'='.$usercount{$l1}{$l2}{$l3}.'&';
                    228: 		}
                    229: 	    }
                    230: 	}
                    231: 	#clusterstatus values
                    232: 	foreach my $act (@actl) {
                    233: 	    print "$act=".$usercount{'Overall'}{'all'}{$act}.'&';
1.5       albertel  234: 	}
                    235: 	print 'loadavg='.$loadavg;
                    236:     }
1.1       www       237: }
1.5       albertel  238: 
                    239: sub show {
1.17    ! raeburn   240:     my ($cat,$ltref,%usercount)=@_;
        !           241:     print("<h3>$ltref->{$cat}</h3>\n");
1.5       albertel  242:     foreach my $type (sort(keys(%{$usercount{$cat}}))) {
                    243: 	print("<table border='1'><tr><th>$type</th><th>");
                    244: 	print(join("</th><th>",sort(keys(%{$usercount{$cat}{$type}}))));
                    245: 	my $temp;
                    246: 	my $count=0;
                    247: 	foreach my $version (sort(keys(%{$usercount{$cat}{$type}}))) {
                    248: 	    $temp.="<td>".$usercount{$cat}{$type}{$version}.
                    249: 		"</td>";
                    250: 	    $count+=$usercount{$cat}{$type}{$version};
                    251: 	}
                    252: 	print("</th></tr><tr><td>$count</td>");
                    253: 	print($temp."</tr></table>\n");
                    254:     }    
1.3       www       255: }
1.5       albertel  256: 
                    257: sub showact {
1.17    ! raeburn   258:     my ($cat,$ltref,%usercount)=@_;
        !           259:     print("<h3>$ltref->{$cat}</h3>\n");
1.5       albertel  260:     
                    261:     print("<table border='1'><tr><th></th><th>");
                    262:     print(join("</th><th>",('Any',@actl)));
                    263:     print("</th></tr>");
                    264:     foreach my $type (sort(keys(%{$usercount{$cat}}))) {
                    265: 	print("<tr><td>$type</td>");
                    266: 	my $temp;
                    267: 	my $count=0;
                    268: 	foreach my $activity (@actl) {
                    269: 	    $temp.="<td>&nbsp;".$usercount{$cat}{$type}{$activity}."</td>";
                    270: 	    $count+=$usercount{$cat}{$type}{$activity};
                    271: 	}
                    272: 	print("<td>$count</td>");
                    273: 	print($temp);
                    274:     }    
                    275:     print("</tr></table>\n");
1.3       www       276: }
1.5       albertel  277: 

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