rib: Perform FIB updates before modifying RIB

refs: #1941

Change-Id: I1457f71ddd1c120daae48308d5cc02a7c0ecf93d
diff --git a/rib/rib-update-batch.hpp b/rib/rib-update-batch.hpp
new file mode 100644
index 0000000..15e9ecd
--- /dev/null
+++ b/rib/rib-update-batch.hpp
@@ -0,0 +1,76 @@
+/* -*- 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_RIB_RIB_UPDATE_BATCH_HPP
+#define NFD_RIB_RIB_UPDATE_BATCH_HPP
+
+#include "common.hpp"
+#include "rib-update.hpp"
+
+namespace nfd {
+namespace rib {
+
+typedef std::list<RibUpdate> RibUpdateList;
+
+/** \brief represents a collection of RibUpdates to be applied to a single FaceId
+ */
+class RibUpdateBatch
+{
+public:
+  typedef RibUpdateList::const_iterator const_iterator;
+
+  explicit
+  RibUpdateBatch(uint64_t faceId);
+
+  uint64_t
+  getFaceId() const;
+
+  void
+  add(const RibUpdate& update);
+
+  const_iterator
+  begin() const;
+
+  const_iterator
+  end() const;
+
+  size_t
+  size() const;
+
+private:
+  uint64_t m_faceId;
+  RibUpdateList m_updates;
+};
+
+inline uint64_t
+RibUpdateBatch::getFaceId() const
+{
+  return m_faceId;
+}
+
+} // namespace rib
+} // namespace nfd
+
+#endif // NFD_RIB_RIB_UPDATE_BATCH_HPP