face: reserved FaceIds and NullFace
refs #1620, #1622
Change-Id: I315ae262c7e0813a64b69d3e7d67de61b7b88c55
diff --git a/daemon/face/null-face.cpp b/daemon/face/null-face.cpp
new file mode 100644
index 0000000..5d55693
--- /dev/null
+++ b/daemon/face/null-face.cpp
@@ -0,0 +1,54 @@
+/* -*- 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/>.
+ */
+
+#include "null-face.hpp"
+
+namespace nfd {
+
+// FIB might restrict creating a nexthop record toward non-local face in /localhost namespace.
+// NullFace has isLocal=true to enable creating a "blackhole" FIB entry under /localhost.
+
+NullFace::NullFace(const FaceUri& uri)
+ : Face(uri, uri, true)
+{
+}
+
+void
+NullFace::sendInterest(const Interest& interest)
+{
+}
+
+void
+NullFace::sendData(const Data& data)
+{
+}
+
+void
+NullFace::close()
+{
+ this->fail("close");
+}
+
+} // namespace nfd