--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/internet-node/ipv4-loopback-interface.cc	Fri May 04 15:04:07 2007 +0200
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2007 INRIA
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Authors: 
+ *  Mathieu Lacage <mathieu.lacage@sophia.inria.fr>,
+ */
+#include "ns3/empty-trace-resolver.h"
+#include "ns3/net-device.h"
+#include "ns3/node.h"
+#include "ipv4-loopback-interface.h"
+#include "i-ipv4-private.h"
+
+namespace ns3 {
+
+Ipv4LoopbackInterface::Ipv4LoopbackInterface (Node *node)
+  : Ipv4Interface (0),
+    m_node (node)
+{
+  m_node->Ref ();
+}
+Ipv4LoopbackInterface::~Ipv4LoopbackInterface ()
+{
+  m_node->Unref ();
+}
+
+TraceResolver *
+Ipv4LoopbackInterface::DoCreateTraceResolver (TraceContext const &context)
+{
+  return new EmptyTraceResolver (context);
+}
+
+void 
+Ipv4LoopbackInterface::SendTo (Packet packet, Ipv4Address dest)
+{
+  IIpv4Private *ipv4 = m_node->QueryInterface<IIpv4Private> (IIpv4Private::iid);
+  ipv4->Receive (packet, PeekDevice ());
+  ipv4->Unref ();
+}
+
+}//namespace ns3