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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.281 and 1.285

version 1.281, 2002/09/16 13:04:16 version 1.285, 2002/09/17 21:19:19
Line 348  sub delenv { Line 348  sub delenv {
     return 'ok';      return 'ok';
 }  }
   
   # ------------------------------------------ Fight off request when overloaded
   
   sub overloaderror {
       my ($r,$checkserver)=@_;
       unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; }
       my $loadavg;
       if ($checkserver eq $perlvar{'lonHostID'}) {
          my $loadfile=Apache::File->new('/proc/loadavg');
          $loadavg=<$loadfile>;
          $loadavg =~ s/\s.*//g;
          $loadavg = 100*$loadavg/$perlvar{'lonLoadLim'};
       } else {
          $loadavg=&reply('load',$checkserver);
       }
       my $overload=$loadavg-100;
       if ($overload>0) {
    $r->err_headers_out->{'Retry-After'}=$overload;
           $r->log_error('Overload of '.$overload.' on '.$checkserver);
           return 413;
       }    
       return '';
   }
   
 # ------------------------------ Find server with least workload from spare.tab  # ------------------------------ Find server with least workload from spare.tab
   
 sub spareserver {  sub spareserver {
       my $loadpercent = shift;
     my $tryserver;      my $tryserver;
     my $spareserver='';      my $spareserver='';
     my $lowestserver=100;      my $lowestserver=$loadpercent; 
     foreach $tryserver (keys %spareid) {      foreach $tryserver (keys %spareid) {
        my $answer=reply('load',$tryserver);         my $answer=reply('load',$tryserver);
        if (($answer =~ /\d/) && ($answer<$lowestserver)) {         if (($answer =~ /\d/) && ($answer<$lowestserver)) {
Line 2574  sub courseresdata { Line 2598  sub courseresdata {
 # --------------------------------------------------------- Value of a Variable  # --------------------------------------------------------- Value of a Variable
   
 sub EXT {  sub EXT {
     my ($varname,$symbparm,$udom,$uname)=@_;      my ($varname,$symbparm,$udom,$uname,)=@_;
   
     unless ($varname) { return ''; }      unless ($varname) { return ''; }
   
Line 2731  sub EXT { Line 2755  sub EXT {
 # --------------------------------------------- last, look in resource metadata  # --------------------------------------------- last, look in resource metadata
   
  $spacequalifierrest=~s/\./\_/;   $spacequalifierrest=~s/\./\_/;
  my $metadata=&metadata($ENV{'request.filename'},$spacequalifierrest);   my $filename;
    if (!$symbparm) { $symbparm=&symbread(); }
    if ($symbparm) {
       $filename=(split(/\_\_\_/,$symbparm))[2];
    } else {
       $filename=$ENV{'request.filename'};
    }
    my $metadata=&metadata($filename,$spacequalifierrest);
  if ($metadata) { return $metadata; }   if ($metadata) { return $metadata; }
  $metadata=&metadata($ENV{'request.filename'},   $metadata=&metadata($filename,'parameter_'.$spacequalifierrest);
     'parameter_'.$spacequalifierrest);  
  if ($metadata) { return $metadata; }   if ($metadata) { return $metadata; }
   
 # ------------------------------------------------------------------ Cascade up  # ------------------------------------------------------------------ Cascade up
Line 3301  BEGIN { Line 3331  BEGIN {
   
     while (my $configline=<$config>) {      while (my $configline=<$config>) {
        chomp($configline);         chomp($configline);
        if (($configline) && ($configline ne $perlvar{'lonHostID'})) {         if ($configline) {
           $spareid{$configline}=1;            $spareid{$configline}=1;
        }         }
     }      }
Removed from v.1.281  
changed lines
  Added in v.1.285

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