mgmt: expose link layer counters in Face Dataset

refs #1767

Change-Id: If0b66ead4c2f2741c83396f251cce9a0d83c1520
diff --git a/daemon/mgmt/status-server.cpp b/daemon/mgmt/status-server.cpp
index 148061c..51faca4 100644
--- a/daemon/mgmt/status-server.cpp
+++ b/daemon/mgmt/status-server.cpp
@@ -1,11 +1,12 @@
 /* -*- 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
+ * 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.
@@ -20,7 +21,7 @@
  *
  * 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 "status-server.hpp"
 #include "fw/forwarder.hpp"
@@ -71,11 +72,7 @@
   status->setNMeasurementsEntries(m_forwarder.getMeasurements().size());
   status->setNCsEntries(m_forwarder.getCs().size());
 
-  const ForwarderCounters& counters = m_forwarder.getCounters();
-  status->setNInInterests(counters.getNInInterests());
-  status->setNInDatas(counters.getNInDatas());
-  status->setNOutInterests(counters.getNOutInterests());
-  status->setNOutDatas(counters.getNOutDatas());
+  m_forwarder.getCounters().copyTo(*status);
 
   return status;
 }