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/daemon/face/lp-face-wrapper.hpp b/daemon/face/lp-face-wrapper.hpp
new file mode 100644
index 0000000..084094f
--- /dev/null
+++ b/daemon/face/lp-face-wrapper.hpp
@@ -0,0 +1,140 @@
+/* -*- 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_DAEMON_FACE_LP_FACE_WRAPPER_HPP
+#define NFD_DAEMON_FACE_LP_FACE_WRAPPER_HPP
+
+#include "common.hpp"
+#include "face.hpp"
+#include "lp-face.hpp"
+
+namespace nfd {
+namespace face {
+
+/** \brief an adaptor to provide old Face APIs from an LpFace
+ * \sa LpFace
+ * \note When LpFace is adapted by LpFaceWrapper,
+ * FaceId and counters will come from old Face rather than LpFace.
+ */
+class LpFaceWrapper : public Face
+{
+public:
+ explicit
+ LpFaceWrapper(unique_ptr<LpFace> face);
+
+ LpFace*
+ getLpFace();
+
+ virtual void
+ sendInterest(const Interest& interest) DECL_OVERRIDE;
+
+ virtual void
+ sendData(const Data& data) DECL_OVERRIDE;
+
+ virtual void
+ sendNack(const lp::Nack& nack) DECL_OVERRIDE;
+
+ virtual void
+ close() DECL_OVERRIDE;
+
+ virtual bool
+ isUp() const DECL_OVERRIDE;
+
+ virtual void
+ setPersistency(ndn::nfd::FacePersistency persistency) DECL_OVERRIDE;
+
+ virtual const FaceCounters&
+ getCounters() const DECL_OVERRIDE;
+
+protected:
+ virtual void
+ setId(nfd::FaceId faceId) DECL_OVERRIDE;
+
+private:
+ void
+ dispatchInterest(const Interest& interest);
+
+ void
+ dispatchData(const Data& data);
+
+ void
+ dispatchNack(const lp::Nack& nack);
+
+ void
+ handleStateChange(FaceState oldState, FaceState newState);
+
+private:
+ unique_ptr<LpFace> m_face;
+};
+
+inline LpFace*
+LpFaceWrapper::getLpFace()
+{
+ return m_face.get();
+}
+
+inline void
+LpFaceWrapper::sendInterest(const Interest& interest)
+{
+ this->emitSignal(onSendInterest, interest);
+ m_face->sendInterest(interest);
+}
+
+inline void
+LpFaceWrapper::sendData(const Data& data)
+{
+ this->emitSignal(onSendData, data);
+ m_face->sendData(data);
+}
+
+inline void
+LpFaceWrapper::sendNack(const lp::Nack& nack)
+{
+ this->emitSignal(onSendNack, nack);
+ m_face->sendNack(nack);
+}
+
+inline void
+LpFaceWrapper::close()
+{
+ m_face->close();
+}
+
+inline bool
+LpFaceWrapper::isUp() const
+{
+ return m_face->getState() == FaceState::UP;
+}
+
+inline const FaceCounters&
+LpFaceWrapper::getCounters() const
+{
+ return m_face->getCounters();
+}
+
+} // namespace face
+} // namespace nfd
+
+#endif // NFD_DAEMON_FACE_LP_FACE_WRAPPER_HPP