tools: Refactoring ndn-autoconfig implementation
Change-Id: Ib92942ba40f04aaee83479177b9ba5d32a09af04
Refs: #2421
diff --git a/tools/ndn-autoconfig/multicast-discovery.hpp b/tools/ndn-autoconfig/multicast-discovery.hpp
new file mode 100644
index 0000000..72717fc
--- /dev/null
+++ b/tools/ndn-autoconfig/multicast-discovery.hpp
@@ -0,0 +1,94 @@
+/* -*- 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_TOOLS_NDN_AUTOCONFIG_MULTICAST_DISCOVERY_HPP
+#define NFD_TOOLS_NDN_AUTOCONFIG_MULTICAST_DISCOVERY_HPP
+
+#include "base.hpp"
+
+namespace ndn {
+namespace tools {
+namespace autoconfig {
+
+/**
+ * @brief Multicast discovery stage
+ *
+ * - Request
+ *
+ * The end host sends an Interest over a multicast face.
+ *
+ * Interest Name is /localhop/ndn-autoconf/hub.
+ *
+ * - Response
+ *
+ * A producer app on the HUB answer this Interest with a Data packet that contains a
+ * TLV-encoded Uri block. The value of this block is the URI for the HUB, preferably a
+ * UDP tunnel.
+ */
+class MulticastDiscovery : public Base
+{
+public:
+ /**
+ * @brief Create multicast discovery stage
+ * @sa Base::Base
+ */
+ MulticastDiscovery(Face& face, KeyChain& keyChain, const NextStageCallback& nextStageOnFailure);
+
+ virtual void
+ start() DECL_OVERRIDE;
+
+private:
+ void
+ registerHubDiscoveryPrefix(const ConstBufferPtr& buffer);
+
+ void
+ onRegisterSuccess();
+
+ void
+ onRegisterFailure(uint32_t code, const std::string& error);
+
+ void
+ setStrategy();
+
+ void
+ onSetStrategyFailure(const std::string& error);
+
+ // Start to look for a hub (NDN hub discovery first stage)
+ void
+ requestHubData();
+
+ void
+ onSuccess(Data& data);
+
+private:
+ size_t nRequestedRegs;
+ size_t nFinishedRegs;
+};
+
+} // namespace autoconfig
+} // namespace tools
+} // namespace ndn
+
+#endif // NFD_TOOLS_NDN_AUTOCONFIG_MULTICAST_DISCOVERY_HPP