First approximation of CCNx protocol stack

diff --git a/model/ccnx-content-object-header.cc b/model/ccnx-content-object-header.cc
new file mode 100644
index 0000000..f66bf3c
--- /dev/null
+++ b/model/ccnx-content-object-header.cc
@@ -0,0 +1,88 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 University of California, Los Angeles
+ *
+ * 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: Ilya Moiseenko <iliamo@cs.ucla.edu>
+ *         Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#include "ccnx-content-object-header.h"
+
+NS_LOG_COMPONENT_DEFINE ("CcnxContentObjectHeader");
+
+namespace ns3
+{
+
+NS_OBJECT_ENSURE_REGISTERED (CcnxContentObjectHeader);
+
+TypeId
+CcnxContentObjectHeader::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::CcnxContentObjectHeader")
+    .SetParent<Header> ()
+    .AddConstructor<CcnxContentObjectHeader> ()
+    ;
+  return tid;
+}
+
+CcnxContentObjectHeader::CcnxContentObjectHeader ()
+{
+}
+
+void
+CcnxContentObjectHeader::SetName (const Ptr<Name::Components> &name)
+{
+  m_name = name;
+}
+
+const Name::Components&
+CcnxContentObjectHeader::GetName () const
+{
+  return *m_name;
+}
+
+uint32_t
+CcnxContentObjectHeader::GetSerializedSize (void) const
+{
+  return 0;
+}
+    
+void
+CcnxContentObjectHeader::Serialize (Buffer::Iterator start) const
+{
+  return;
+}
+
+uint32_t
+CcnxContentObjectHeader::Deserialize (Buffer::Iterator start)
+{
+  return 0;
+}
+  
+TypeId
+CcnxContentObjectHeader::GetInstanceTypeId (void) const
+{
+  return GetTypeId ();
+}
+  
+void
+CcnxContentObjectHeader::Print (std::ostream &os) const
+{
+  os << "ContentObject: " << *m_name;
+}
+
+} // namespace ns3
+