src: One more set of renaming: ndn-content-object.h|cc is renamed to ndn-data.h|cc
diff --git a/model/ndn-data.h b/model/ndn-data.h
new file mode 100644
index 0000000..4d51d37
--- /dev/null
+++ b/model/ndn-data.h
@@ -0,0 +1,221 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2011-2013 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: Ilya Moiseenko <iliamo@cs.ucla.edu>
+ * Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef _NDN_CONTENT_OBJECT_HEADER_H_
+#define _NDN_CONTENT_OBJECT_HEADER_H_
+
+#include "ns3/simple-ref-count.h"
+#include "ns3/nstime.h"
+#include "ns3/packet.h"
+#include "ns3/ptr.h"
+
+#include <ns3/ndn-name.h>
+
+namespace ns3 {
+namespace ndn {
+
+/**
+ * @ingroup ndn
+ * @brief Data header
+ */
+class Data : public SimpleRefCount<Data>
+{
+public:
+ /**
+ * @brief Constructor
+ *
+ * Creates a null header
+ **/
+ Data (Ptr<Packet> payload = Create<Packet> ());
+
+ /**
+ * @brief Copy constructor
+ */
+ Data (const Data &other);
+
+ /**
+ * \brief Set content object name
+ *
+ * Sets name of the content object
+ **/
+ void
+ SetName (Ptr<Name> name);
+
+ /**
+ * @brief Another, less efficient, variant of setting content object name
+ *
+ * Sets name of the content object
+ */
+ void
+ SetName (const Name &name);
+
+ /**
+ * @brief Get name of the content object
+ */
+ const Name&
+ GetName () const;
+
+ /**
+ * @brief Get smart pointer to the interest name (to avoid extra memory usage)
+ */
+ Ptr<const Name>
+ GetNamePtr () const;
+
+ /**
+ * @brief Set content object timestamp
+ * @param timestamp timestamp
+ */
+ void
+ SetTimestamp (const Time ×tamp);
+
+ /**
+ * @brief Get timestamp of the content object
+ */
+ Time
+ GetTimestamp () const;
+
+ /**
+ * @brief Set freshness of the content object
+ * @param freshness Freshness, 0s means infinity
+ */
+ void
+ SetFreshness (const Time &freshness);
+
+ /**
+ * @brief Get freshness of the content object
+ */
+ Time
+ GetFreshness () const;
+
+ /**
+ * @brief Set "fake" signature on the content object
+ * @param signature uint32_t number, simulating content object signature
+ *
+ * Values for the signature totally depend on the application
+ */
+ void
+ SetSignature (uint32_t signature);
+
+ /**
+ * @brief Get "fake" signature of the content object
+ *
+ * Values for the signature totally depend on the application
+ */
+ uint32_t
+ GetSignature () const;
+
+ /**
+ * @brief Set key locator
+ * @param keyLocator name of the key
+ */
+ void
+ SetKeyLocator (Ptr<Name> keyLocator);
+
+ /**
+ * @brief Get key locator
+ *
+ * Note that only <KeyName> option for the key locator is supported
+ */
+ Ptr<const Name>
+ GetKeyLocator () const;
+
+ //////////////////////////////////////////////////////////////////
+ /**
+ * @brief Get payload of data packet
+ *
+ * This payload can also carry packet tags
+ */
+ void
+ SetPayload (Ptr<Packet> payload);
+
+ /**
+ * @brief Set payload of data packet
+ *
+ * This payload can also carry packet tags
+ */
+ Ptr<const Packet>
+ GetPayload () const;
+
+ /**
+ * @brief Get wire formatted packet
+ *
+ * If wire formatted packet has not been set before, 0 will be returned
+ */
+ inline Ptr<const Packet>
+ GetWire () const;
+
+ /**
+ * @brief Set (cache) wire formatted packet
+ */
+ inline void
+ SetWire (Ptr<const Packet> packet) const;
+
+ /**
+ * @brief Print Interest in plain-text to the specified output stream
+ */
+ void
+ Print (std::ostream &os) const;
+
+private:
+ // NO_ASSIGN
+ Data &
+ operator = (const Data &other) { return *this; }
+
+private:
+ Ptr<Name> m_name;
+ Time m_freshness;
+ Time m_timestamp;
+ uint32_t m_signature; // 0, means no signature, any other value application dependent (not a real signature)
+ Ptr<Packet> m_payload;
+ Ptr<Name> m_keyLocator;
+
+ mutable Ptr<const Packet> m_wire;
+};
+
+inline std::ostream &
+operator << (std::ostream &os, const Data &d)
+{
+ d.Print (os);
+ return os;
+}
+
+/**
+ * @brief Class for Data parsing exception
+ */
+class DataException {};
+
+inline Ptr<const Packet>
+Data::GetWire () const
+{
+ return m_wire;
+}
+
+inline void
+Data::SetWire (Ptr<const Packet> packet) const
+{
+ m_wire = packet;
+}
+
+
+} // namespace ndn
+} // namespace ns3
+
+#endif // _NDN_CONTENT_OBJECT_HEADER_H_