diff --git a/daemon/face/face-counters.hpp b/daemon/face/face-counters.hpp
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+++ b/daemon/face/face-counters.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014,  Regents of the University of California,
+ *                      Arizona Board of Regents,
+ *                      Colorado State University,
+ *                      University Pierre & Marie Curie, Sorbonne University,
+ *                      Washington University in St. Louis,
+ *                      Beijing Institute of Technology,
+ *                      The University of Memphis
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_DAEMON_FACE_FACE_COUNTERS_HPP
+#define NFD_DAEMON_FACE_FACE_COUNTERS_HPP
+
+#include "common.hpp"
+
+namespace nfd {
+
+/** \brief represents a counter of number of packets
+ */
+// PacketCounter is noncopyable, because increment should be called on the counter,
+// not a copy of it; it's implicitly convertible to uint64_t to be observed
+class PacketCounter : noncopyable
+{
+public:
+  typedef uint64_t rep;
+
+  PacketCounter()
+    : m_value(0)
+  {
+  }
+
+  operator rep() const
+  {
+    return m_value;
+  }
+
+  PacketCounter&
+  operator++()
+  {
+    ++m_value;
+    return *this;
+  }
+  // postfix ++ operator is not provided because it's not needed
+
+  void
+  set(rep value)
+  {
+    m_value = value;
+  }
+
+private:
+  rep m_value;
+};
+
+
+/** \brief represents a counter of number of bytes
+ */
+// ByteCounter is noncopyable, because increment should be called on the counter,
+// not a copy of it; it's implicitly convertible to uint64_t to be observed
+class ByteCounter : noncopyable
+{
+public:
+  typedef uint64_t rep;
+
+  ByteCounter()
+    : m_value(0)
+  {
+  }
+
+  operator rep() const
+  {
+    return m_value;
+  }
+
+  ByteCounter&
+  operator+=(rep n)
+  {
+    m_value += n;
+    return *this;
+  }
+
+  void
+  set(rep value)
+  {
+    m_value = value;
+  }
+
+private:
+  rep m_value;
+};
+
+
+/** \brief contains network layer packet counters
+ */
+class NetworkLayerCounters : noncopyable
+{
+public:
+  /// incoming Interest
+  const PacketCounter&
+  getNInInterests() const
+  {
+    return m_nInInterests;
+  }
+
+  PacketCounter&
+  getNInInterests()
+  {
+    return m_nInInterests;
+  }
+
+  /// incoming Data
+  const PacketCounter&
+  getNInDatas() const
+  {
+    return m_nInDatas;
+  }
+
+  PacketCounter&
+  getNInDatas()
+  {
+    return m_nInDatas;
+  }
+
+  /// outgoing Interest
+  const PacketCounter&
+  getNOutInterests() const
+  {
+    return m_nOutInterests;
+  }
+
+  PacketCounter&
+  getNOutInterests()
+  {
+    return m_nOutInterests;
+  }
+
+  /// outgoing Data
+  const PacketCounter&
+  getNOutDatas() const
+  {
+    return m_nOutDatas;
+  }
+
+  PacketCounter&
+  getNOutDatas()
+  {
+    return m_nOutDatas;
+  }
+
+private:
+  PacketCounter m_nInInterests;
+  PacketCounter m_nInDatas;
+  PacketCounter m_nOutInterests;
+  PacketCounter m_nOutDatas;
+};
+
+
+/** \brief contains link layer byte counters
+ */
+class LinkLayerCounters : noncopyable
+{
+public:
+  /// received bytes
+  const ByteCounter&
+  getNInBytes() const
+  {
+    return m_nInBytes;
+  }
+
+  ByteCounter&
+  getNInBytes()
+  {
+    return m_nInBytes;
+  }
+
+  /// sent bytes
+  const ByteCounter&
+  getNOutBytes() const
+  {
+    return m_nOutBytes;
+  }
+
+  ByteCounter&
+  getNOutBytes()
+  {
+    return m_nOutBytes;
+  }
+
+private:
+  ByteCounter m_nInBytes;
+  ByteCounter m_nOutBytes;
+};
+
+
+/** \brief contains counters on face
+ */
+class FaceCounters : public NetworkLayerCounters, public LinkLayerCounters
+{
+};
+
+} // namespace nfd
+
+#endif // NFD_DAEMON_FACE_FACE_COUNTERS_HPP