--- loncom/LondConnection.pm	2003/06/11 02:04:35	1.4
+++ loncom/LondConnection.pm	2003/07/02 01:12:35	1.7
@@ -1,7 +1,7 @@
 #   This module defines and implements a class that represents
 #   a connection to a lond daemon.
 #
-# $Id: LondConnection.pm,v 1.4 2003/06/11 02:04:35 foxr Exp $
+# $Id: LondConnection.pm,v 1.7 2003/07/02 01:12:35 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -37,7 +37,7 @@ use Crypt::IDEA;
 use LONCAPA::Configuration;
 use LONCAPA::HashIterator;
 
-my $DebugLevel=4;
+my $DebugLevel=0;
 
 #   Read the configuration file for apache to get the perl
 #   variable set.
@@ -215,7 +215,7 @@ sub Readable {
     my $rv      = $socket->recv($data, POSIX::BUFSIZ,  0);
     my $errno   = $! + 0;	             # Force numeric context.
 
-    unless (defined($rv) && length($data)) { # Read failed,
+    unless (defined($rv) && (length($data)> 0)) {# Read failed,
 	if(($errno == POSIX::EWOULDBLOCK)   ||
 	   ($errno == POSIX::EAGAIN)        ||
 	   ($errno == POSIX::EINTR)         ||
@@ -488,6 +488,20 @@ sub SetTimeoutCallback {
 
 =pod
 
+=head2 Shutdown:
+
+Shuts down the socket.
+
+=cut
+
+sub Shutdown {
+    my $self = shift;
+    my $socket = $self->GetSocket();
+    $socket->shutdown(2);
+}
+
+=pod
+
 =head2 GetState
 
 selector for the object state.
@@ -512,6 +526,7 @@ sub GetSocket {
     return $self->{Socket};
 }
 
+
 =pod
 
 =head2 WantReadable
@@ -838,6 +853,10 @@ peer (assumes the text is a command).
 Decrypts a block of text according to the cipher negotiated with the
 peer (assumes the block was a reply.
 
+=item Shutdown:
+
+Shuts off the socket.
+
 =head2 The following are selector member functions:
 
 =item GetState: