Updating code to the state that it compiles
diff --git a/model/ccnx-net-device-face.cc b/model/ccnx-net-device-face.cc
new file mode 100644
index 0000000..37a3555
--- /dev/null
+++ b/model/ccnx-net-device-face.cc
@@ -0,0 +1,142 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2005,2006,2007 INRIA
+ *
+ * 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
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ *
+ */
+
+#include "ccnx-net-device-face.h"
+
+#include "ns3/ccnx-l3-protocol.h"
+#include "ns3/net-device.h"
+#include "ns3/log.h"
+#include "ns3/packet.h"
+#include "ns3/node.h"
+#include "ns3/pointer.h"
+
+NS_LOG_COMPONENT_DEFINE ("CcnxNetDeviceFace");
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED (CcnxNetDeviceFace);
+
+TypeId 
+CcnxNetDeviceFace::GetTypeId ()
+{
+  static TypeId tid = TypeId ("ns3::CcnxNetDeviceFace")
+    .SetParent<CcnxFace> ()
+  ;
+  return tid;
+}
+
+/** 
+ * By default, Ccnx face are created in the "down" state
+ *  with no IP addresses.  Before becoming useable, the user must 
+ * invoke SetUp on them once an Ccnx address and mask have been set.
+ */
+CcnxNetDeviceFace::CcnxNetDeviceFace () 
+  : m_netDevice (0)
+{
+  NS_LOG_FUNCTION (this);
+}
+
+CcnxNetDeviceFace::~CcnxNetDeviceFace ()
+{
+  NS_LOG_FUNCTION_NOARGS ();
+}
+
+CcnxNetDeviceFace::CcnxNetDeviceFace (const CcnxNetDeviceFace &)
+{
+}
+
+CcnxNetDeviceFace& CcnxNetDeviceFace::operator= (const CcnxNetDeviceFace &)
+{
+  return *this;
+}
+
+  
+void
+CcnxNetDeviceFace::DoDispose (void)
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  m_netDevice = 0;
+  Object::DoDispose ();
+}
+
+void 
+CcnxNetDeviceFace::SetNetDevice (Ptr<NetDevice> netDevice)
+{
+  m_netDevice = netDevice;
+}
+
+Ptr<NetDevice>
+CcnxNetDeviceFace::GetNetDevice () const
+{
+  return m_netDevice;
+}
+
+void
+CcnxNetDeviceFace::RegisterProtocolHandler (ProtocolHandler handler)
+{
+  NS_ASSERT_MSG (m_netDevice != 0, "CcnxNetDeviceFace needs to be assigned NetDevice first");
+  
+  m_protocolHandler = handler;
+
+  m_node->RegisterProtocolHandler (MakeCallback (&CcnxNetDeviceFace::ReceiveFromNetDevice, this),
+                                   CcnxL3Protocol::ETHERNET_FRAME_TYPE, m_netDevice, true/*promiscuous mode*/);
+}
+
+void
+CcnxNetDeviceFace::Send (Ptr<Packet> packet)
+{
+  NS_ASSERT_MSG (packet->GetSize () <= m_netDevice->GetMtu (), 
+                 "Packet size " << packet->GetSize () << " exceeds device MTU "
+                                << m_netDevice->GetMtu ()
+                                << " for Ccnx; fragmentation not supported");
+
+  NS_LOG_FUNCTION (*packet);
+  if (!IsUp ())
+    {
+      return;
+    }
+
+  m_netDevice->Send (packet, m_netDevice->GetBroadcast (), 
+                  CcnxL3Protocol::ETHERNET_FRAME_TYPE);
+}
+
+// callback
+void
+CcnxNetDeviceFace::ReceiveFromNetDevice (Ptr<NetDevice> device,
+                                         Ptr<const Packet> p,
+                                         uint16_t protocol,
+                                         const Address &from,
+                                         const Address &to,
+                                         NetDevice::PacketType packetType)
+{
+  // bla bla bla
+}
+
+
+std::ostream& operator<< (std::ostream& os, const CcnxNetDeviceFace &face)
+{
+  return operator<< (os, static_cast<const CcnxFace&> (face)); // just call parent class for now
+  // os << "id=" << face.GetId ();
+  // return os;
+}
+
+}; // namespace ns3
+