--- loncom/lonnet/perl/lonnet.pm	2002/06/27 16:03:55	1.247
+++ loncom/lonnet/perl/lonnet.pm	2002/07/04 15:56:17	1.251
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.247 2002/06/27 16:03:55 www Exp $
+# $Id: lonnet.pm,v 1.251 2002/07/04 15:56:17 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1741,8 +1741,10 @@ sub allowed {
 
    if ($thisallowed=~/X/) {
       if ($ENV{'acc.randomout'}) {
-         my $symb=&symbread();
-         if ($ENV{'acc.randomout'}=~/\&$symb\&/) { return ''; }
+         my $symb=&symbread($uri,1);
+         if (($symb) && ($ENV{'acc.randomout'}=~/\&$symb\&/)) { 
+            return ''; 
+         }
       }
       if (&condval($statecond)) {
 	 return '2';
@@ -2269,30 +2271,26 @@ sub courseresdata {
     my ($coursenum,$coursedomain,@which)=@_;
     my $coursehom=&homeserver($coursenum,$coursedomain);
     my $hashid=$coursenum.':'.$coursedomain;
-    unless (defined($courseresdatacache{$hashid.'.time'})) {
-	unless (time-$courseresdatacache{$hashid.'.time'}<300) {
-           my $coursehom=&homeserver($coursenum,$coursedomain);
-           if ($coursehom) {
-              my $dumpreply=&reply('dump:'.$coursedomain.':'.$coursenum.
-			     ':resourcedata:.',$coursehom);
-	      unless ($dumpreply=~/^error\:/) {
-	         $courseresdatacache{$hashid.'.time'}=time;
-                 $courseresdatacache{$hashid}=$dumpreply;
-	     }
-	  }
-       }
+    my $dodump=0;
+    if (!defined($courseresdatacache{$hashid.'.time'})) {
+	$dodump=1;
+    } else {
+	if (time-$courseresdatacache{$hashid.'.time'}>300) { $dodump=1; }
     }
-   my @pairs=split(/\&/,$courseresdatacache{$hashid});
-   my %returnhash=();
-   foreach (@pairs) {
-      my ($key,$value)=split(/=/,$_);
-      $returnhash{unescape($key)}=unescape($value);
-   }
-    my $item;
-   foreach $item (@which) {
-       if ($returnhash{$item}) { return $returnhash{$item}; }
-   }
-   return '';
+    if ($dodump) {
+	my %dumpreply=&dump('resourcedata',$coursedomain,$coursenum);
+	my ($tmp) = keys(%dumpreply);
+	if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
+	    $courseresdatacache{$hashid.'.time'}=time;
+	    $courseresdatacache{$hashid}=\%dumpreply;
+	}
+    }
+    foreach my $item (@which) {
+	if ($courseresdatacache{$hashid}->{$item}) {
+	    return $courseresdatacache{$hashid}->{$item};
+	}
+    }
+    return '';
 }
 
 # --------------------------------------------------------- Value of a Variable
@@ -2699,7 +2697,7 @@ sub symbclean {
 # ------------------------------------------------------ Return symb list entry
 
 sub symbread {
-    my $thisfn=shift;
+    my ($thisfn,$donotrecurse)=@_;
 # no filename provided? try from environment
     unless ($thisfn) {
         if ($ENV{'request.symb'}) { return &symbclean($ENV{'request.symb'}); }
@@ -2748,7 +2746,7 @@ sub symbread {
 # ----------------------------------------------- There is only one possibility
 		     my ($mapid,$resid)=split(/\./,$ids);
                      $syval=declutter($bighash{'map_id_'.$mapid}).'___'.$resid;
-                 } else {
+                 } elsif (!$donotrecurse) {
 # ------------------------------------------ There is more than one possibility
                      my $realpossible=0;
                      foreach (@possibilities) {
@@ -2763,6 +2761,8 @@ sub symbread {
 			 }
                      }
 		     if ($realpossible!=1) { $syval=''; }
+                 } else {
+                     $syval='';
                  }
 	      }
               untie(%bighash)