mgmt: move management/nfd-* to mgmt/nfd/

refs #3760

Change-Id: Ib4bde3412b5c39b9f4f46113199cebe78704505e
diff --git a/src/mgmt/nfd/face-event-notification.hpp b/src/mgmt/nfd/face-event-notification.hpp
new file mode 100644
index 0000000..a4d1ea7
--- /dev/null
+++ b/src/mgmt/nfd/face-event-notification.hpp
@@ -0,0 +1,94 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#ifndef NDN_MGMT_NFD_FACE_EVENT_NOTIFICATION_HPP
+#define NDN_MGMT_NFD_FACE_EVENT_NOTIFICATION_HPP
+
+#include "face-traits.hpp"
+#include "../../encoding/block.hpp"
+
+namespace ndn {
+namespace nfd {
+
+/**
+ * \ingroup management
+ */
+enum FaceEventKind {
+  FACE_EVENT_CREATED = 1,
+  FACE_EVENT_DESTROYED = 2
+};
+
+/**
+ * \ingroup management
+ * \brief represents a Face status change notification
+ * \sa http://redmine.named-data.net/projects/nfd/wiki/FaceMgmt#Face-Status-Change-Notification
+ */
+class FaceEventNotification : public FaceTraits<FaceEventNotification>
+{
+public:
+  FaceEventNotification();
+
+  explicit
+  FaceEventNotification(const Block& block);
+
+  /** \brief prepend FaceEventNotification to the encoder
+   */
+  template<encoding::Tag TAG>
+  size_t
+  wireEncode(EncodingImpl<TAG>& encoder) const;
+
+  /** \brief encode FaceEventNotification
+   */
+  const Block&
+  wireEncode() const;
+
+  /** \brief decode FaceEventNotification
+   */
+  void
+  wireDecode(const Block& wire);
+
+public: // getters & setters
+  FaceEventKind
+  getKind() const
+  {
+    return m_kind;
+  }
+
+  FaceEventNotification&
+  setKind(FaceEventKind kind);
+
+protected:
+  void
+  wireReset() const;
+
+private:
+  FaceEventKind m_kind;
+
+  mutable Block m_wire;
+};
+
+std::ostream&
+operator<<(std::ostream& os, const FaceEventNotification& notification);
+
+} // namespace nfd
+} // namespace ndn
+
+#endif // NDN_MGMT_NFD_FACE_EVENT_NOTIFICATION_HPP