diff --git a/daemon/face/face-counters.cpp b/daemon/face/face-counters.cpp
new file mode 100644
index 0000000..611b151
--- /dev/null
+++ b/daemon/face/face-counters.cpp
@@ -0,0 +1,69 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  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/>.
+ */
+
+#include "face-counters.hpp"
+#include "old-face-counters.hpp"
+
+namespace nfd {
+namespace face {
+
+FaceCounters::FaceCounters(const LinkService::Counters& linkServiceCounters,
+                           const Transport::Counters& transportCounters)
+  : nInInterests(linkServiceCounters.nInInterests)
+  , nOutInterests(linkServiceCounters.nOutInterests)
+  , nInData(linkServiceCounters.nInData)
+  , nOutData(linkServiceCounters.nOutData)
+  , nInNacks(linkServiceCounters.nInNacks)
+  , nOutNacks(linkServiceCounters.nOutNacks)
+  , nInPackets(transportCounters.nInPackets)
+  , nOutPackets(transportCounters.nOutPackets)
+  , nInBytes(transportCounters.nInBytes)
+  , nOutBytes(transportCounters.nOutBytes)
+  , m_linkServiceCounters(linkServiceCounters)
+  , m_transportCounters(transportCounters)
+{
+}
+
+static const LinkService::Counters g_dummyLinkServiceCounters{};
+static const Transport::Counters g_dummyTransportCounters{};
+
+FaceCounters::FaceCounters(const OldFaceCounters& oldCounters)
+  : nInInterests(oldCounters.getNInInterests())
+  , nOutInterests(oldCounters.getNOutInterests())
+  , nInData(oldCounters.getNInDatas())
+  , nOutData(oldCounters.getNOutDatas())
+  , nInNacks(g_dummyLinkServiceCounters.nInNacks)
+  , nOutNacks(g_dummyLinkServiceCounters.nOutNacks)
+  , nInPackets(g_dummyTransportCounters.nInPackets)
+  , nOutPackets(g_dummyTransportCounters.nOutPackets)
+  , nInBytes(oldCounters.getNInBytes())
+  , nOutBytes(oldCounters.getNOutBytes())
+  , m_linkServiceCounters(g_dummyLinkServiceCounters)
+  , m_transportCounters(g_dummyTransportCounters)
+{
+}
+
+} // namespace face
+} // namespace nfd