--- loncom/lonnet/perl/lonnet.pm	2007/03/08 01:58:41	1.846
+++ loncom/lonnet/perl/lonnet.pm	2007/03/12 17:07:43	1.847
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.846 2007/03/08 01:58:41 albertel Exp $
+# $Id: lonnet.pm,v 1.847 2007/03/12 17:07:43 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -35,7 +35,7 @@ use HTTP::Headers;
 use HTTP::Date;
 # use Date::Parse;
 use vars 
-qw(%perlvar %badServerCache %iphost %spareid 
+qw(%perlvar %badServerCache %spareid 
    %pr %prp $memcache %packagetab 
    %courselogs %accesshash %userrolehash %domainrolehash $processmarker $dumpcount 
    %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf %coursetypebuf
@@ -7671,36 +7671,39 @@ BEGIN {
     }
 }
 
-sub get_hosts_from_ip {
-    my ($ip) = @_;
-    my %iphosts = &get_iphost();
-    if (ref($iphosts{$ip})) {
-	return @{$iphosts{$ip}};
+{ 
+    my %iphost;
+    sub get_hosts_from_ip {
+	my ($ip) = @_;
+	my %iphosts = &get_iphost();
+	if (ref($iphosts{$ip})) {
+	    return @{$iphosts{$ip}};
+	}
+	return;
     }
-    return;
-}
-
-sub get_iphost {
-    if (%iphost) { return %iphost; }
-    my %name_to_ip;
-    my %hostname = &all_hostnames();
-    foreach my $id (keys(%hostname)) {
-	my $name=$hostname{$id};
-	my $ip;
-	if (!exists($name_to_ip{$name})) {
-	    $ip = gethostbyname($name);
-	    if (!$ip || length($ip) ne 4) {
-		&logthis("Skipping host $id name $name no IP found");
-		next;
+    
+    sub get_iphost {
+	if (%iphost) { return %iphost; }
+	my %name_to_ip;
+	my %hostname = &all_hostnames();
+	foreach my $id (keys(%hostname)) {
+	    my $name=$hostname{$id};
+	    my $ip;
+	    if (!exists($name_to_ip{$name})) {
+		$ip = gethostbyname($name);
+		if (!$ip || length($ip) ne 4) {
+		    &logthis("Skipping host $id name $name no IP found");
+		    next;
+		}
+		$ip=inet_ntoa($ip);
+		$name_to_ip{$name} = $ip;
+	    } else {
+		$ip = $name_to_ip{$name};
 	    }
-	    $ip=inet_ntoa($ip);
-	    $name_to_ip{$name} = $ip;
-	} else {
-	    $ip = $name_to_ip{$name};
+	    push(@{$iphost{$ip}},$id);
 	}
-	push(@{$iphost{$ip}},$id);
+	return %iphost;
     }
-    return %iphost;
 }
 
 # ------------------------------------------------------ Read spare server file