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File:  [LON-CAPA] / loncom / auth / lonlogin.pm
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Wed May 31 13:27:28 2000 UTC (24 years ago) by www
Branches: MAIN
CVS tags: HEAD
Restored direct jump to URL

    1: # The LearningOnline Network
    2: # Login Screen
    3: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
    4: # 1/14/00,5/29,5/30 Gerd Kortemeyer
    5: #
    6: package Apache::lonlogin;
    7: 
    8: use strict;
    9: use Apache::Constants qw(:common);
   10: use Apache::File ();
   11: use Apache::lonnet();
   12: 
   13: sub handler {
   14:     my $r = shift;
   15:     $r->content_type('text/html');
   16:     $r->send_http_header;
   17:     return OK if $r->header_only;
   18: 
   19:     my $iconpath= $r->dir_config('lonIconsURL');
   20:     my $domain  = $r->dir_config('lonDefDomain');
   21:     my $role    = $r->dir_config('lonRole');
   22:     my $loadlim = $r->dir_config('lonLoadLim');
   23:     my $servadm = $r->dir_config('lonAdmEMail');
   24:     my $sysadm  = $r->dir_config('lonSysEMail');
   25:     my $lonhost = $r->dir_config('lonHostID');
   26:     my $tabdir  = $r->dir_config('lonTabDir');
   27: 
   28:     my $loadavg;
   29:    {
   30:        my $loadfile=Apache::File->new('/proc/loadavg');
   31:        $loadavg=<$loadfile>;
   32:    }
   33:     $loadavg =~ s/\s.*//g;
   34:     my $loadpercent=100*$loadavg/$loadlim;
   35: 
   36:     my $otherserver='';
   37: # ---------------------------------------- Are we access server and overloaded?
   38:     if (($role eq 'access') && ($loadpercent>100.0)) {
   39:         $otherserver=Apache::lonnet::spareserver();
   40:     }
   41: # ---------------------------------------------------------- Print login screen
   42:     $r->print(<<ENDDOCUMENT);
   43: <html>
   44: <head>
   45: <title>The LearningOnline Network with CAPA Login</title>
   46: </head>
   47: <body bgcolor="#FFFFFF">
   48: <table width=600>
   49: <tr><td><img src="$iconpath/lonlogo.gif"></td>
   50: <td bgcolor="#DDDDDD">
   51: <font size=+1><b>User Authentication</b></font><p>
   52: 
   53:  <form action="$otherserver/adm/authenticate" method="post" target="_top">
   54:  <table border=2 bgcolor="#BBBBBB">
   55:  <tr><td>Username:</td><td><input type=text size=10 name=uname></td></tr>
   56:  <tr><td>Password:</td><td><input type=password size=10 name=upass></td></tr>
   57:  <tr><td>Domain:</td><td><input type=text size=10 value=$domain name=udom></td>
   58:  </tr>
   59:  <tr><td colspan=2><input type=submit value=Login></td></tr>
   60:  </table>
   61:  </form>
   62: </td>
   63: </tr><tr><td bgcolor="#DDDDDD">
   64: <table border=1 bgcolor="#BBBBBB">
   65: <tr><td><font size="-1"><b>Domain:</b></font></td>
   66:     <td><font size="-1"><tt>$domain</tt></font></td>
   67:     <td rowspan=3><font size="-1"><b>LON System Administration:</b><br>
   68:                   <tt>$sysadm</tt><br>
   69:                   <b>Server Administration:</b><br>
   70:                   <tt>$servadm</tt></font></td></tr>
   71: <tr><td><font size="-1"><b>Server:</b></font></td>
   72:     <td><font size="-1"><tt>$lonhost ($role)</tt></font></td></tr>
   73: <tr><td><font size="-1"><b>Load:</b></font></td>
   74:     <td><font size="-1"><tt>$loadpercent</tt> percent</font></td></tr>
   75: </table>
   76: </td><td>
   77: <table align=right><tr><td><font size="+1">
   78: <b>L</b>aboratory&nbsp;for<br>
   79: <b>I</b>nstructional<br>
   80: <b>T</b>echnology&nbsp;in<br>
   81: <b>E</b>ducation</td><td>
   82: <img src="$iconpath/liteani.gif"></font></td></tr></table></td></tr></table>
   83: </body>
   84: </html>
   85: ENDDOCUMENT
   86:     return OK;
   87: } 
   88: 
   89: 1;
   90: __END__
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