table: capacity limit in PIT NonceList
refs #1770
Change-Id: Ia5722968cca1d9a4bbf3ef19e57be73eac702a69
diff --git a/daemon/table/pit-nonce-list.hpp b/daemon/table/pit-nonce-list.hpp
new file mode 100644
index 0000000..393ae34
--- /dev/null
+++ b/daemon/table/pit-nonce-list.hpp
@@ -0,0 +1,64 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, 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_TABLE_PIT_NONCE_LIST_HPP
+#define NFD_DAEMON_TABLE_PIT_NONCE_LIST_HPP
+
+#include "common.hpp"
+
+namespace nfd {
+namespace pit {
+
+/** \brief represents a Nonce list
+ */
+class NonceList : noncopyable
+{
+public:
+ NonceList();
+
+ /** \brief records a nonce
+ * \return true if nonce is new; false if nonce is seen before
+ */
+ bool
+ add(uint32_t nonce);
+
+ size_t
+ size() const
+ {
+ return m_nonceSet.size();
+ }
+
+public:
+ static const size_t CAPACITY;
+
+private:
+ std::set<uint32_t> m_nonceSet;
+ std::queue<uint32_t> m_nonceQueue;
+};
+
+} // namespace pit
+} // namespace nfd
+
+#endif // NFD_DAEMON_TABLE_PIT_NONCE_LIST_HPP