diff --git a/ndnx/ndnx-charbuf.h b/ndnx/ndnx-charbuf.h
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+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2012-2013 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: Zhenkai Zhu <zhenkai@cs.ucla.edu>
+ *	   Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef NDNX_NDNX_CHARBUF_H
+#define NDNX_NDNX_CHARBUF_H
+
+#include "ndnx-common.h"
+#include <boost/shared_ptr.hpp>
+
+namespace Ndnx {
+
+class NdnxCharbuf;
+typedef boost::shared_ptr<NdnxCharbuf> NdnxCharbufPtr;
+
+//  This class is mostly used in NdnxWrapper; users should not be directly using this class
+// The main purpose of this class to is avoid manually create and destroy charbuf everytime
+class NdnxCharbuf
+{
+public:
+  NdnxCharbuf();
+  NdnxCharbuf(ndn_charbuf *buf);
+  NdnxCharbuf(const NdnxCharbuf &other);
+  NdnxCharbuf(const void *buf, size_t length);
+  ~NdnxCharbuf();
+
+  // expose internal data structure, use with caution!!
+  ndn_charbuf *
+  getBuf() { return m_buf; }
+
+  const ndn_charbuf *
+  getBuf() const { return m_buf; }
+
+  const unsigned char *
+  buf () const
+  { return m_buf->buf; }
+
+  size_t
+  length () const
+  { return m_buf->length; }
+
+private:
+  void init(ndn_charbuf *buf);
+
+protected:
+  ndn_charbuf *m_buf;
+};
+
+}
+
+#endif // NDNX_NDNX_CHARBUF_H