table: add CS policy interface

Change-Id: I1946fe03ca00150b1ff9f08acae48c01bc569904
Refs: #1207
diff --git a/daemon/table/cs-policy.cpp b/daemon/table/cs-policy.cpp
new file mode 100644
index 0000000..9726269
--- /dev/null
+++ b/daemon/table/cs-policy.cpp
@@ -0,0 +1,79 @@
+/* -*- 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/>.
+ */
+
+#include "cs-policy.hpp"
+#include "cs.hpp"
+
+namespace nfd {
+namespace cs {
+
+Policy::Policy(const std::string& policyName)
+  : m_policyName(policyName)
+{
+}
+
+Policy::~Policy()
+{
+}
+
+void
+Policy::setLimit(size_t nMaxEntries)
+{
+  BOOST_ASSERT(nMaxEntries > 0);
+  m_limit = nMaxEntries;
+
+  this->evictEntries();
+}
+
+void
+Policy::afterInsert(iterator i)
+{
+  BOOST_ASSERT(m_cs != nullptr);
+  this->doAfterInsert(i);
+}
+
+void
+Policy::afterRefresh(iterator i)
+{
+  BOOST_ASSERT(m_cs != nullptr);
+  this->doAfterRefresh(i);
+}
+
+void
+Policy::beforeErase(iterator i)
+{
+  BOOST_ASSERT(m_cs != nullptr);
+  this->doBeforeErase(i);
+}
+
+void
+Policy::beforeUse(iterator i)
+{
+  BOOST_ASSERT(m_cs != nullptr);
+  this->doBeforeUse(i);
+}
+
+} // namespace cs
+} // namespace nfd