publisher: implement routing table dataset publisher
refs: #3631, #3634
Change-Id: I7e961fdd0857690bee65d2bdfa4cf3de90ccac06
diff --git a/src/publisher/dataset-interest-handler.hpp b/src/publisher/dataset-interest-handler.hpp
new file mode 100644
index 0000000..00d8c1d
--- /dev/null
+++ b/src/publisher/dataset-interest-handler.hpp
@@ -0,0 +1,147 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2018, The University of Memphis,
+ * Regents of the University of California,
+ * Arizona Board of Regents.
+ *
+ * This file is part of NLSR (Named-data Link State Routing).
+ * See AUTHORS.md for complete list of NLSR authors and contributors.
+ *
+ * NLSR 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.
+ *
+ * NLSR 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
+ * NLSR, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+ /*! \file dataset-interest-handler.hpp
+
+ This file details a class that is used by NLSRC and other command-line
+ tools to examine the state of NLSR. This class doesn't only handle interest
+ from local host, but also handle interests from remote router.
+ This system is not designed to
+ be used by routers to publish data to each other.
+ */
+
+#ifndef NLSR_PUBLISHER_DATASET_INTEREST_HANDLER_HPP
+#define NLSR_PUBLISHER_DATASET_INTEREST_HANDLER_HPP
+
+#include "route/routing-table-entry.hpp"
+#include "route/routing-table.hpp"
+#include "route/nexthop-list.hpp"
+#include "lsdb.hpp"
+#include "logger.hpp"
+
+#include "tlv/adjacency-lsa.hpp"
+#include "tlv/coordinate-lsa.hpp"
+#include "tlv/name-lsa.hpp"
+#include "tlv/routing-table-status.hpp"
+#include "tlv/routing-table-entry.hpp"
+
+#include <ndn-cxx/mgmt/dispatcher.hpp>
+#include <ndn-cxx/face.hpp>
+#include <boost/noncopyable.hpp>
+
+namespace nlsr {
+namespace dataset {
+const ndn::Name::Component ADJACENCY_COMPONENT = ndn::Name::Component{"adjacencies"};
+const ndn::Name::Component NAME_COMPONENT = ndn::Name::Component{"names"};
+const ndn::Name::Component COORDINATE_COMPONENT = ndn::Name::Component{"coordinates"};
+} // namespace dataset
+
+/*!
+ \brief Class to publish all dataset
+ \sa https://redmine.named-data.net/projects/nlsr/wiki/LSDB_DataSet
+ \sa https://redmine.named-data.net/projects/nlsr/wiki/Routing_Table_DataSet
+ */
+class DatasetInterestHandler : boost::noncopyable
+{
+public:
+ class Error : std::runtime_error
+ {
+ public:
+ explicit
+ Error(const std::string& what)
+ : std::runtime_error(what)
+ {
+ }
+ };
+
+ DatasetInterestHandler(const Lsdb& lsdb,
+ const RoutingTable& rt,
+ ndn::mgmt::Dispatcher& dispatcher,
+ const ndn::Face& face,
+ const ndn::KeyChain& keyChain);
+
+ ndn::Name&
+ getRouterNameCommandPrefix()
+ {
+ return m_routerNamePrefix;
+ }
+
+ void
+ setRouterNameCommandPrefix(const ndn::Name& routerName) {
+ m_routerNamePrefix = routerName;
+ m_routerNamePrefix.append(Lsdb::NAME_COMPONENT);
+ }
+
+private:
+ /*! \brief set dispatcher for localhost or remote router
+ */
+ void
+ setDispatcher(ndn::mgmt::Dispatcher& dispatcher);
+
+ /*! \brief provide routing-table dataset
+ */
+ void
+ publishRtStatus(const ndn::Name& topPrefix, const ndn::Interest& interest,
+ ndn::mgmt::StatusDatasetContext& context);
+
+ /*! \brief provide adjacent status dataset
+ */
+ void
+ publishAdjStatus(const ndn::Name& topPrefix, const ndn::Interest& interest,
+ ndn::mgmt::StatusDatasetContext& context);
+
+ /*! \brief provide coordinate status dataset
+ */
+ void
+ publishCoordinateStatus(const ndn::Name& topPrefix, const ndn::Interest& interest,
+ ndn::mgmt::StatusDatasetContext& context);
+
+ /*! \brief provide name status dataset
+ */
+ void
+ publishNameStatus(const ndn::Name& topPrefix, const ndn::Interest& interest,
+ ndn::mgmt::StatusDatasetContext& context);
+
+private:
+ const Lsdb& m_lsdb;
+ ndn::Name m_routerNamePrefix;
+
+ ndn::mgmt::Dispatcher& m_dispatcher;
+
+ const std::list<RoutingTableEntry>& m_routingTableEntries;
+ const std::list<RoutingTableEntry>& m_dryRoutingTableEntries;
+};
+
+template<typename T> std::list<T>
+getTlvLsas(const Lsdb& lsdb);
+
+template<> std::list<tlv::AdjacencyLsa>
+getTlvLsas<tlv::AdjacencyLsa>(const Lsdb& lsdb);
+
+template<> std::list<tlv::CoordinateLsa>
+getTlvLsas<tlv::CoordinateLsa>(const Lsdb& lsdb);
+
+template<> std::list<tlv::NameLsa>
+getTlvLsas<tlv::NameLsa>(const Lsdb& lsdb);
+
+} // namespace nlsr
+
+#endif // NLSR_PUBLISHER_DATASET_INTEREST_HANDLER_HPP