Move pib service from ndn-cxx to ndn-tools
Code is copied from ndn-cxx:commit:e1c8c4cfffb33dca13c8ca7d7ef04c7401a7cbef,
(gerrit change-id Ieea485c0ebdce9fb9c876cad005cb95fd8e0c899)
with minor changes for changing include paths and building script.
Change-Id: I77b94fe69b20f04c338e7be7387125f709fa9e1a
Refs: #3018
diff --git a/tools/pib/response-cache.hpp b/tools/pib/response-cache.hpp
new file mode 100644
index 0000000..40edd04
--- /dev/null
+++ b/tools/pib/response-cache.hpp
@@ -0,0 +1,74 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2014 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_PIB_RESPONSE_CACHE_HPP
+#define NDN_PIB_RESPONSE_CACHE_HPP
+
+#include <ndn-cxx/data.hpp>
+#include <map>
+
+
+namespace ndn {
+namespace pib {
+
+/**
+ * @brief ResponseCache is an abstraction of a cache of response made before
+ *
+ * ResponseCache is used to reduce the number of PibDb lookup and Data signing
+ * operations.
+ *
+ * Eventually, it should be replaced by a formal application level cache. This
+ * one is only a temporary module and is used for test.
+ */
+class ResponseCache : noncopyable
+{
+public:
+ ResponseCache();
+
+ shared_ptr<const Data>
+ find(const Name& dataName, bool hasVersion = false) const;
+
+ /**
+ * @brief Insert a data packet into cache
+ *
+ * Name of the inserted data must end with a version component
+ *
+ * @param data Data to insert. It MUST have been created with make_shared.
+ */
+ void
+ insert(const Data& data);
+
+ void
+ erase(const Name& dataNameWithoutVersion);
+
+ void
+ clear();
+
+private:
+ typedef std::map<Name, shared_ptr<const Data> > Storage;
+
+ Storage m_storage;
+};
+
+} // namespace ndn
+} // namespace pib
+
+#endif // NDN_PIB_RESPONSE_CACHE_HPP