--- loncom/lonnet/perl/lonnet.pm	2005/02/14 04:59:53	1.598.2.1
+++ loncom/lonnet/perl/lonnet.pm	2005/02/17 22:43:27	1.599
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.598.2.1 2005/02/14 04:59:53 albertel Exp $
+# $Id: lonnet.pm,v 1.599 2005/02/17 22:43:27 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -559,12 +559,12 @@ sub authenticate {
 
 # ---------------------- Find the homebase for a user from domain's lib servers
 
+my %homecache;
 sub homeserver {
     my ($uname,$udom,$ignoreBadCache)=@_;
     my $index="$uname:$udom";
 
-    my ($result,$cached)=&is_cached_new('home',$index);
-    if (defined($cached)) { return $result; }
+    if (exists($homecache{$index})) { return $homecache{$index}; }
     my $tryserver;
     foreach $tryserver (keys %libserv) {
         next if ($ignoreBadCache ne 'true' && 
@@ -572,7 +572,7 @@ sub homeserver {
 	if ($hostdom{$tryserver} eq $udom) {
            my $answer=reply("home:$udom:$uname",$tryserver);
            if ($answer eq 'found') { 
-	       return &do_cache_new('home',$index,$tryserver,86400);
+	       return $homecache{$index}=$tryserver;
            } elsif ($answer eq 'no_host') {
 	       $badServerCache{$tryserver}=1;
            }
@@ -838,7 +838,7 @@ sub save_cache {
     &purge_remembered();
 }
 
-my $to_remember=20;
+my $to_remember=-1;
 my %remembered;
 my %accessed;
 my $kicks=0;
@@ -866,11 +866,11 @@ sub is_cached_new {
 	if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); }
 	return (undef,undef);
     }
-    &make_room($id,$value,$debug);
     if ($value eq '__undef__') {
 	if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); }
-	return (undef,1);
+	$value=undef;
     }
+    &make_room($id,$value,$debug);
     if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); }
     return ($value,1);
 }
@@ -891,6 +891,7 @@ sub do_cache_new {
 sub make_room {
     my ($id,$value,$debug)=@_;
     $remembered{$id}=$value;
+    if ($to_remember<0) { return; }
     $accessed{$id}=[&gettimeofday()];
     if (scalar(keys(%remembered)) <= $to_remember) { return; }
     my $to_kick;
@@ -910,6 +911,7 @@ sub make_room {
 
 sub purge_remembered {
     &logthis("Tossing ".scalar(keys(%remembered)));
+    &logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered))));
     undef(%remembered);
     undef(%accessed);
 }
@@ -5497,7 +5499,7 @@ sub goodbye {
    &logthis(sprintf("%-20s is %s",'%badServerCache',length(&freeze(\%badServerCache))));
 #converted
 #   &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache)));
-#   &logthis(sprintf("%-20s is %s",'%homecache',length(&freeze(\%homecache))));
+   &logthis(sprintf("%-20s is %s",'%homecache',length(&freeze(\%homecache))));
 #   &logthis(sprintf("%-20s is %s",'%titlecache',length(&freeze(\%titlecache))));
 #   &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&freeze(\%courseresdatacache))));
 #1.1 only