diff --git a/apps/ccnx-hijacker.h b/apps/ccnx-hijacker.h
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+++ b/apps/ccnx-hijacker.h
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+/* -*-  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>
+ */
+
+#ifndef CCNX_HIJACKER_H
+#define CCNX_HIJACKER_H
+
+#include "ccnx-app.h"
+
+#include "ns3/ptr.h"
+#include "ns3/ccnx-name-components.h"
+
+namespace ns3 
+{
+
+class CcnxHijacker : public CcnxApp
+{
+public: 
+  static TypeId
+  GetTypeId (void);
+        
+  CcnxHijacker ();
+
+  // inherited from CcnxApp
+  void OnInterest (const Ptr<const CcnxInterestHeader> &interest);
+
+protected:
+  // inherited from Application base class.
+  virtual void
+  StartApplication ();    // Called at time specified by Start
+
+  virtual void
+  StopApplication ();     // Called at time specified by Stop
+
+private:
+  CcnxNameComponents m_prefix;
+  uint32_t m_virtualPayloadSize;
+
+  TracedCallback<Ptr<const CcnxContentObjectHeader>, Ptr<const Packet>,
+                 Ptr<CcnxApp>, Ptr<CcnxFace> > m_transmittedContentObjects;
+};
+
+}
+
+#endif // CCNX_HIJACKER_H