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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.276 and 1.286

version 1.276, 2002/08/30 18:36:03 version 1.286, 2002/09/24 18:25:45
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 2341  sub createcourse { Line 2365  sub createcourse {
     unless ($nonstandard) {      unless ($nonstandard) {
 # ------------------------------------------ For standard courses, make top url  # ------------------------------------------ For standard courses, make top url
         my $mapurl=&clutter($url);          my $mapurl=&clutter($url);
           if ($mapurl eq '/res/') { $mapurl=''; }
         $ENV{'form.initmap'}=(<<ENDINITMAP);          $ENV{'form.initmap'}=(<<ENDINITMAP);
 <map>  <map>
 <resource id="1" type="start"></resource>  <resource id="1" type="start"></resource>
Line 2534  sub condval { Line 2559  sub condval {
     return $result;      return $result;
 }  }
   
   # ---------------------------------------------------- Devalidate courseresdata
   
   sub devalidatecourseresdata {
       my ($coursenum,$coursedomain)=@_;
       my $hashid=$coursenum.':'.$coursedomain;
       delete $courseresdatacache{$hashid.'.time'};
   }
   
 # --------------------------------------------------- Course Resourcedata Query  # --------------------------------------------------- Course Resourcedata Query
   
 sub courseresdata {  sub courseresdata {
Line 2565  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 2722  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 2774  sub metadata { Line 2813  sub metadata {
 # Look at timestamp of caching  # Look at timestamp of caching
 # Everything is cached by the main uri, libraries are never directly cached  # Everything is cached by the main uri, libraries are never directly cached
 #  #
     unless (abs($metacache{$uri.':cachedtimestamp'}-time)<600) {      unless (abs($metacache{$uri.':cachedtimestamp'}-time)<600 && !defined($liburi)) {
 #  #
 # Is this a recursive call for a library?  # Is this a recursive call for a library?
 #  #
Line 2961  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_/'.$thisfn};
         }          }
Line 3032  sub symbread { Line 3071  sub symbread {
            if (tie(%bighash,'GDBM_File',$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 3292  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 3340  BEGIN { Line 3379  BEGIN {
   
 %metacache=();  %metacache=();
   
 $processmarker=$$.'_'.time.'_'.$perlvar{'lonHostID'};  $processmarker='_'.time.'_'.$perlvar{'lonHostID'};
 $dumpcount=0;  $dumpcount=0;
   
 &logtouch();  &logtouch();
Line 3556  modify user Line 3595  modify user
   
 =item *  =item *
   
 modifystudent($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,$end,$start) : modify student  modifystudent
   
   modify a students enrollment and identification information.
   The course id is resolved based on the current users environment.  
   This means the envoking user must be a course coordinator or otherwise
   associated with a course.
   
   This call is essentially a wrapper for lonnet::modifyuser
   
   Inputs: 
   
   =over 4
   
   =item B<$udom> Students loncapa domain
   
   =item B<$uname> Students loncapa login name
   
   =item B<$uid> Students id/student number
   
   =item B<$umode> Students authentication mode
   
   =item B<$upass> Students password
   
   =item B<$first> Students first name
   
   =item B<$middle> Students middle name
   
   =item B<$last> Students last name
   
   =item B<$gene> Students generation
   
   =item B<$usec> Students section in course
   
   =item B<$end> Unix time of the roles expiration
   
   =item B<$start> Unix time of the roles start date
   
   =item B<$forceid> If defined, allow $uid to be changed
   
   =item B<$desiredhome> server to use as home server for student
   
   =back
   
 =item *  =item *
   
Removed from v.1.276  
changed lines
  Added in v.1.286

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