face: Refactor Face as LinkService+Transport

LpFace: new Face implementation
LpFaceWrapper: allows new Face system to work with old Face system

Eventually, LpFace will be renamed to Face and LpFaceWrapper will be removed.

refs #3088 #3179

Change-Id: Ia4ad7c84631e65b444d4f24e1d7593392927c8db
diff --git a/tests/daemon/face/dummy-transport.hpp b/tests/daemon/face/dummy-transport.hpp
new file mode 100644
index 0000000..df8fa54
--- /dev/null
+++ b/tests/daemon/face/dummy-transport.hpp
@@ -0,0 +1,96 @@
+/* -*- 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/>.
+ */
+
+#ifndef NFD_TESTS_DAEMON_FACE_DUMMY_TRANSPORT_HPP
+#define NFD_TESTS_DAEMON_FACE_DUMMY_TRANSPORT_HPP
+
+#include "common.hpp"
+
+#include "face/transport.hpp"
+
+namespace nfd {
+namespace face {
+namespace tests {
+
+/** \brief dummy Transport used in unit tests
+ */
+class DummyTransport : public Transport
+{
+public:
+  DummyTransport(const std::string& localUri = "dummy://",
+                 const std::string& remoteUri = "dummy://",
+                 ndn::nfd::FaceScope scope = ndn::nfd::FACE_SCOPE_NON_LOCAL,
+                 ndn::nfd::FacePersistency persistency = ndn::nfd::FACE_PERSISTENCY_PERSISTENT,
+                 ndn::nfd::LinkType linkType = ndn::nfd::LINK_TYPE_POINT_TO_POINT)
+    : isClosed(false)
+  {
+    this->setLocalUri(FaceUri(localUri));
+    this->setRemoteUri(FaceUri(remoteUri));
+    this->setScope(scope);
+    this->setPersistency(persistency);
+    this->setLinkType(linkType);
+  }
+
+  void
+  setState(FaceState state)
+  {
+    this->Transport::setState(state);
+  }
+
+  void
+  receivePacket(Packet&& packet)
+  {
+    this->receive(std::move(packet));
+  }
+
+  void
+  receivePacket(Block block)
+  {
+    this->receive(Packet(std::move(block)));
+  }
+
+private:
+  virtual void
+  doClose() DECL_OVERRIDE
+  {
+    isClosed = true;
+  }
+
+  virtual void
+  doSend(Packet&& packet) DECL_OVERRIDE
+  {
+    sentPackets.push_back(std::move(packet));
+  }
+
+public:
+  bool isClosed;
+  std::vector<Packet> sentPackets;
+};
+
+} // namespace tests
+} // namespace face
+} // namespace nfd
+
+#endif // NFD_TESTS_DAEMON_FACE_DUMMY_TRANSPORT_HPP