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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.279 and 1.285

version 1.279, 2002/09/07 17:53:05 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 871  sub countacc { Line 895  sub countacc {
     my $url=&declutter(shift);      my $url=&declutter(shift);
     unless ($ENV{'request.course.id'}) { return ''; }      unless ($ENV{'request.course.id'}) { return ''; }
     $accesshash{$ENV{'request.course.id'}.'___'.$url.'___course'}=1;      $accesshash{$ENV{'request.course.id'}.'___'.$url.'___course'}=1;
     my $key=$processmarker.'_'.$dumpcount.'___'.$url.'___count';      my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count';
     if (defined($accesshash{$key})) {      if (defined($accesshash{$key})) {
  $accesshash{$key}++;   $accesshash{$key}++;
     } else {      } else {
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 2970  sub symbverify { Line 3000  sub symbverify {
     my $okay=0;      my $okay=0;
     if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',      if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
                             &GDBM_READER(),0640)) {                              &GDBM_READER(),0640)) {
         my $ids=$bighash{'ids_/res/'.$thisfn};          my $ids=$bighash{'ids_'.&clutter($thisfn)};
         unless ($ids) {           unless ($ids) { 
            $ids=$bighash{'ids_/'.$thisfn};             $ids=$bighash{'ids_/'.$thisfn};
         }          }
Line 3041  sub symbread { Line 3071  sub symbread {
            if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',             if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
                             &GDBM_READER(),0640)) {                              &GDBM_READER(),0640)) {
 # ---------------------------------------------- Get ID(s) for current resource  # ---------------------------------------------- Get ID(s) for current resource
               my $ids=$bighash{'ids_/res/'.$thisfn};                my $ids=$bighash{'ids_'.&clutter($thisfn)};
               unless ($ids) {                 unless ($ids) { 
                  $ids=$bighash{'ids_/'.$thisfn};                   $ids=$bighash{'ids_/'.$thisfn};
               }                }
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;
        }         }
     }      }
Line 3349  BEGIN { Line 3379  BEGIN {
   
 %metacache=();  %metacache=();
   
 $processmarker=$$.'_'.time.'_'.$perlvar{'lonHostID'};  $processmarker='_'.time.'_'.$perlvar{'lonHostID'};
 $dumpcount=0;  $dumpcount=0;
   
 &logtouch();  &logtouch();
Removed from v.1.279  
changed lines
  Added in v.1.285

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