rib: move entire subdir to daemon/rib

Refs: #4528
Change-Id: I7de03631ddef0f014f12f979373aa449f42486d1
diff --git a/daemon/rib/readvertise/readvertise-destination.hpp b/daemon/rib/readvertise/readvertise-destination.hpp
new file mode 100644
index 0000000..1c4fb76
--- /dev/null
+++ b/daemon/rib/readvertise/readvertise-destination.hpp
@@ -0,0 +1,74 @@
+/* -*- 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_RIB_READVERTISE_READVERTISE_DESTINATION_HPP
+#define NFD_DAEMON_RIB_READVERTISE_READVERTISE_DESTINATION_HPP
+
+#include "readvertised-route.hpp"
+
+namespace nfd {
+namespace rib {
+
+/** \brief a destination to readvertise into
+ */
+class ReadvertiseDestination : noncopyable
+{
+public:
+  virtual
+  ~ReadvertiseDestination() = default;
+
+  virtual void
+  advertise(const ReadvertisedRoute& rr,
+            std::function<void()> successCb,
+            std::function<void(const std::string&)> failureCb) = 0;
+
+  virtual void
+  withdraw(const ReadvertisedRoute& rr,
+           std::function<void()> successCb,
+           std::function<void(const std::string&)> failureCb) = 0;
+
+  bool
+  isAvailable() const
+  {
+    return m_isAvailable;
+  }
+
+protected:
+  void
+  setAvailability(bool isAvailable);
+
+public:
+  /** \brief signals when the destination becomes available or unavailable
+   */
+  signal::Signal<ReadvertiseDestination, bool> afterAvailabilityChange;
+
+private:
+  bool m_isAvailable = false;
+};
+
+} // namespace rib
+} // namespace nfd
+
+#endif // NFD_DAEMON_RIB_READVERTISE_READVERTISE_DESTINATION_HPP