face: parse face_system.netdev_bound config section

refs #3521

Change-Id: I803a1651d5b44e021ec7bedb8001e216c849b9ab
diff --git a/daemon/face/protocol-factory.cpp b/daemon/face/protocol-factory.cpp
index 0a8a150..fb1440d 100644
--- a/daemon/face/protocol-factory.cpp
+++ b/daemon/face/protocol-factory.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2017,  Regents of the University of California,
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -66,5 +66,21 @@
   BOOST_ASSERT(netmon != nullptr);
 }
 
+shared_ptr<Face>
+ProtocolFactory::createNetdevBoundFace(const FaceUri& remote,
+                                       const shared_ptr<const ndn::net::NetworkInterface>& netif)
+{
+  BOOST_ASSERT(remote.isCanonical());
+  return this->doCreateNetdevBoundFace(remote, netif);
+}
+
+shared_ptr<Face>
+ProtocolFactory::doCreateNetdevBoundFace(const FaceUri& remote,
+                                         const shared_ptr<const ndn::net::NetworkInterface>& netif)
+{
+  BOOST_THROW_EXCEPTION(Error(
+    "this protocol factory does not support netdev-bound faces"));
+}
+
 } // namespace face
 } // namespace nfd