--- loncom/lond	2011/08/01 20:13:01	1.478
+++ loncom/lond	2011/08/02 03:11:35	1.479
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.478 2011/08/01 20:13:01 raeburn Exp $
+# $Id: lond,v 1.479 2011/08/02 03:11:35 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -60,7 +60,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.478 $'; #' stupid emacs
+my $VERSION='$Revision: 1.479 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -1670,6 +1670,17 @@ sub read_lonnet_global {
 }
 &register_handler("readlonnetglobal", \&read_lonnet_global, 0, 1, 0);
 
+sub server_devalidatecache_handler {
+    my ($cmd,$tail,$client) = @_;
+    my $userinput = "$cmd:$tail";
+    my ($name,$id) = map { &unescape($_); } split(/:/,$tail);
+    &Apache::lonnet::devalidate_cache_new($name,$id);
+    my $result = 'ok';
+    &Reply($client,\$result,$userinput);
+    return 1;
+}
+&register_handler("devalidatecache", \&devalidatecache_handler, 0, 1, 0);
+
 sub server_timezone_handler {
     my ($cmd,$tail,$client) = @_;
     my $userinput = "$cmd:$tail";