Initial support for route calculations with Boost.Graph library (BGL)
diff --git a/model/ccnx-global-router.h b/model/ccnx-global-router.h
new file mode 100644
index 0000000..ac7f2d6
--- /dev/null
+++ b/model/ccnx-global-router.h
@@ -0,0 +1,104 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2011 UCLA
+ *
+ * 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>
+ */
+
+#ifndef CCNX_GLOBAL_ROUTER_H
+#define CCNX_GLOBAL_ROUTER_H
+
+#include "ns3/object.h"
+#include "ns3/ptr.h"
+
+#include <list>
+#include <boost/tuple/tuple.hpp>
+
+namespace ns3 {
+
+class Channel;
+class Ccnx;
+class CcnxFace;
+class CcnxNameComponents;
+
+class CcnxGlobalRouter : public Object
+{
+public:
+  typedef boost::tuple< Ptr< CcnxGlobalRouter >, Ptr< CcnxFace >, Ptr< CcnxGlobalRouter > > Incidency;
+  typedef std::list< Incidency > IncidencyList;
+  
+  /**
+   * \brief Interface ID
+   *
+   * \return interface ID
+   */
+  static TypeId
+  GetTypeId ();
+
+  CcnxGlobalRouter ();
+
+  uint32_t
+  GetId () const;
+  
+  Ptr<Ccnx>
+  GetCcnx () const;
+  
+  void
+  AddLocalPrefix (Ptr< CcnxNameComponents > prefix);
+
+  /**
+   * 
+   */
+  void
+  AddIncidency (Ptr< CcnxFace > face, Ptr< CcnxGlobalRouter > ccnx);
+
+  IncidencyList &
+  GetIncidencies ();
+
+  // ??
+protected:
+  virtual void
+  NotifyNewAggregate ();
+  
+private:
+  uint32_t m_id;
+  
+  Ptr<Ccnx> m_ccnx;
+  std::list< Ptr<CcnxNameComponents> > m_localPrefixes;
+  IncidencyList m_incidencies;
+
+  static uint32_t m_idCounter;
+};
+
+inline bool
+operator == (const CcnxGlobalRouter::Incidency &a,
+             const CcnxGlobalRouter::Incidency &b)
+{
+  return a.get<0> () == b.get<0> () &&
+    a.get<1> () == b.get<1> () &&
+    a.get<2> () == b.get<2> ();
+}
+
+inline bool
+operator != (const CcnxGlobalRouter::Incidency &a,
+             const CcnxGlobalRouter::Incidency &b)
+{
+  return ! (a == b);
+}
+
+}
+
+#endif // CCNX_GLOBAL_ROUTER_H