tools: Refactoring ndn-autoconfig implementation
Change-Id: Ib92942ba40f04aaee83479177b9ba5d32a09af04
Refs: #2421
diff --git a/tools/ndn-autoconfig/guess-from-search-domains.hpp b/tools/ndn-autoconfig/guess-from-search-domains.hpp
new file mode 100644
index 0000000..e2eaa5a
--- /dev/null
+++ b/tools/ndn-autoconfig/guess-from-search-domains.hpp
@@ -0,0 +1,67 @@
+/* -*- 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_GUESS_FROM_SEARCH_DOMAINS_HPP
+#define NFD_TOOLS_NDN_AUTOCONFIG_GUESS_FROM_SEARCH_DOMAINS_HPP
+
+#include "base-dns.hpp"
+
+namespace ndn {
+namespace tools {
+namespace autoconfig {
+
+/**
+ * @brief Guessing home router based on DNS query with default suffix
+ *
+ * - Request
+ *
+ * The end host sends a DNS query that is equivalent to this command:
+ *
+ * dig +search +short +cmd +tries=2 +ndots=10 _ndn._udp srv
+ *
+ * - Response
+ *
+ * The DNS server should answer with an SRV record that contains the hostname and UDP port
+ * number of the NDN router.
+ */
+class GuessFromSearchDomains : public BaseDns
+{
+public:
+ /**
+ * @brief Create stage to guess home router based on DNS query with default suffix
+ * @sa Base::Base
+ */
+ GuessFromSearchDomains(Face& face, KeyChain& keyChain,
+ const NextStageCallback& nextStageOnFailure);
+
+ virtual void
+ start() DECL_OVERRIDE;
+};
+
+} // namespace autoconfig
+} // namespace tools
+} // namespace ndn
+
+#endif // NFD_TOOLS_NDN_AUTOCONFIG_GUESSING_FROM_SEARCH_DOMAINS_HPP