nlsr: accept NFD-RIB-style register/unregister commands
refs: #3818
Change-Id: I7a5455bdec815bdcbe53ad535dab44249d1a18ce
diff --git a/src/update/nfd-rib-command-processor.hpp b/src/update/nfd-rib-command-processor.hpp
new file mode 100644
index 0000000..8d9cba6
--- /dev/null
+++ b/src/update/nfd-rib-command-processor.hpp
@@ -0,0 +1,124 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2017, 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/>.
+ **/
+
+#ifndef UPDATE_NFD_RIB_COMMAND_PROCESSOR_HPP
+#define UPDATE_NFD_RIB_COMMAND_PROCESSOR_HPP
+
+#include "route/fib.hpp"
+#include "nfd-rib-commands.hpp"
+#include "name-prefix-list.hpp"
+#include "lsdb.hpp"
+#include "communication/sync-logic-handler.hpp"
+
+#include <ndn-cxx/mgmt/nfd/control-command.hpp>
+#include <ndn-cxx/mgmt/nfd/control-parameters.hpp>
+#include <ndn-cxx/encoding/tlv-nfd.hpp>
+
+#include <boost/noncopyable.hpp>
+#include <typeinfo>
+
+namespace nlsr {
+namespace update {
+
+class NfdRibCommandProcessor : boost::noncopyable
+{
+public:
+ class Error : public std::runtime_error
+ {
+ public:
+ explicit
+ Error(const std::string& what)
+ : std::runtime_error(what)
+ {
+ }
+ };
+
+public:
+ NfdRibCommandProcessor(ndn::mgmt::Dispatcher& dispatcher,
+ NamePrefixList& namePrefixes,
+ Lsdb& lsdb,
+ SyncLogicHandler& sync);
+
+ /*! \brief Registers an Interest filter with face
+
+ Registers with face an Interest filter that reacts to any
+ interests on COMMAND_PREFIX.
+ */
+ void
+ startListening();
+
+PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+
+ /*! \brief inserts a prefix into the FIB if parameters is valid.
+
+ We consider parameters to be valid if origin is set to CLIENT and
+ a name is present.
+ */
+ void
+ insertPrefix(const ndn::mgmt::ControlParameters& parameters);
+
+ /*! \brief remove a prefix from the FIB if parameters is valid.
+
+ We consider parameters to be valid if origin is set to CLIENT and
+ a name is present.
+ */
+ void
+ removePrefix(const ndn::mgmt::ControlParameters& parameters);
+
+ /*! \brief uses command's validator to check that parameters is valid.
+
+ The command's validator's behavior is defined per command.
+ */
+ template<typename T>
+ bool
+ validateParameters(const ndn::mgmt::ControlParameters& parameters)
+ {
+ BOOST_ASSERT(dynamic_cast<const ndn::nfd::ControlParameters*>(¶meters) != nullptr);
+ const ndn::nfd::ControlParameters& castParams =
+ static_cast<const ndn::nfd::ControlParameters&>(parameters);
+ T command;
+ try {
+ command.validateRequest(castParams);
+ }
+ catch (const ndn::nfd::ControlCommand::ArgumentError& ae) {
+ throw ae;
+ }
+ catch (...) {
+ return false;
+ }
+ return true;
+ }
+
+private:
+ template<typename T>
+ bool
+ validate(const ndn::mgmt::ControlParameters& parameters, const ndn::PartialName& command);
+
+ ndn::mgmt::Dispatcher& m_dispatcher;
+ NamePrefixList& m_namePrefixList;
+ Lsdb& m_lsdb;
+ SyncLogicHandler& m_sync;
+};
+
+} // namespace update
+} // namespace nlsr
+
+#endif // UPDATE_NFD_RIB_COMMAND_PROCESSOR_HPP