face: introduce NullTransport and use it in several places
Refs: #4528
Change-Id: Icc7a77232bca1a700ce1319493c15a85d05d7488
diff --git a/daemon/face/null-transport.hpp b/daemon/face/null-transport.hpp
new file mode 100644
index 0000000..9f8e54e
--- /dev/null
+++ b/daemon/face/null-transport.hpp
@@ -0,0 +1,62 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2019, 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_NULL_TRANSPORT_HPP
+#define NFD_DAEMON_FACE_NULL_TRANSPORT_HPP
+
+#include "transport.hpp"
+
+namespace nfd {
+namespace face {
+
+/** \brief A Transport that drops every packet.
+ */
+class NullTransport FINAL_UNLESS_WITH_TESTS : public Transport
+{
+public:
+ explicit
+ NullTransport(const FaceUri& localUri = FaceUri("null://"),
+ const FaceUri& remoteUri = FaceUri("null://"),
+ ndn::nfd::FaceScope scope = ndn::nfd::FACE_SCOPE_NON_LOCAL,
+ ndn::nfd::FacePersistency persistency = ndn::nfd::FACE_PERSISTENCY_PERMANENT);
+
+protected:
+ void
+ doClose() OVERRIDE_WITH_TESTS_ELSE_FINAL
+ {
+ setState(TransportState::CLOSED);
+ }
+
+private:
+ void
+ doSend(Packet&&) OVERRIDE_WITH_TESTS_ELSE_FINAL
+ {
+ }
+};
+
+} // namespace face
+} // namespace nfd
+
+#endif // NFD_DAEMON_FACE_NULL_TRANSPORT_HPP