chunks: segmented file transfer

refs #3071

Change-Id: I88e4fc1a8e33a0d61a95e2291cccc7b998647489
diff --git a/tools/chunks/putchunks/producer.hpp b/tools/chunks/putchunks/producer.hpp
new file mode 100644
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+++ b/tools/chunks/putchunks/producer.hpp
@@ -0,0 +1,100 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2016,  Regents of the University of California,
+ *                      Colorado State University,
+ *                      University Pierre & Marie Curie, Sorbonne University.
+ *
+ * This file is part of ndn-tools (Named Data Networking Essential Tools).
+ * See AUTHORS.md for complete list of ndn-tools authors and contributors.
+ *
+ * ndn-tools 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.
+ *
+ * ndn-tools 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
+ * ndn-tools, 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.
+ *
+ * @author Wentao Shang
+ * @author Steve DiBenedetto
+ * @author Andrea Tosatto
+ */
+
+#ifndef NDN_TOOLS_CHUNKS_PUTCHUNKS_PRODUCER_HPP
+#define NDN_TOOLS_CHUNKS_PUTCHUNKS_PRODUCER_HPP
+
+#include "core/common.hpp"
+
+namespace ndn {
+namespace chunks {
+
+/**
+ * @brief Segmented version Producer
+ *
+ * Packetizes and publishes data from an input stream under /prefix/<version>/<segment number>.
+ * The current time is used as the version number. The store has always at least one element (also
+ * with empty input stream).
+ */
+class Producer : noncopyable
+{
+public:
+  /**
+   * @brief Create the Producer
+   *
+   * @prefix prefix used to publish data, if the last component of prefix is not a version number
+   *         the current time is used as version number.
+   */
+  Producer(const Name& prefix, Face& face, KeyChain& keyChain,
+           const security::SigningInfo& signingInfo, time::milliseconds freshnessPeriod,
+           size_t maxSegmentSize, bool isVerbose = false, bool needToPrintVersion = false,
+           std::istream& is = std::cin);
+
+  /**
+   * @brief Run the Producer
+   */
+  void
+  run();
+
+private:
+  void
+  onInterest(const Interest& interest);
+
+  /**
+   * @brief Split the input stream in data packets and save them to the store
+   *
+   * Create data packets reading all the characters from the input stream until EOF, or an
+   * error occurs. Each data packet has a maximum payload size of m_maxSegmentSize value and is
+   * stored inside the vector m_store. An empty data packet is created and stored if the input
+   * stream is empty.
+   *
+   * @return Number of data packets contained in the store after the operation
+   */
+  void
+  populateStore(std::istream& is);
+
+  void
+  onRegisterFailed(const Name& prefix, const std::string& reason);
+
+PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+  std::vector<shared_ptr<Data>> m_store;
+
+private:
+  Name m_prefix;
+  Name m_versionedPrefix;
+  Face& m_face;
+  KeyChain& m_keyChain;
+  security::SigningInfo m_signingInfo;
+  time::milliseconds m_freshnessPeriod;
+  size_t m_maxSegmentSize;
+  bool m_isVerbose;
+};
+
+} // namespace chunks
+} // namespace ndn
+
+#endif // NDN_TOOLS_CHUNKS_PUTCHUNKS_PRODUCER_HPP