nlsr.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2014-2023,  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 NLSR_NLSR_HPP
#define NLSR_NLSR_HPP
 
#include "adjacency-list.hpp"
#include "conf-parameter.hpp"
#include "hello-protocol.hpp"
#include "lsdb.hpp"
#include "name-prefix-list.hpp"
#include "test-access-control.hpp"
#include "publisher/dataset-interest-handler.hpp"
#include "route/fib.hpp"
#include "route/name-prefix-table.hpp"
#include "route/routing-table.hpp"
#include "update/prefix-update-processor.hpp"
#include "update/nfd-rib-command-processor.hpp"
#include "utility/name-helper.hpp"
#include "stats-collector.hpp"
 
#include <ndn-cxx/face.hpp>
#include <ndn-cxx/encoding/nfd-constants.hpp>
#include <ndn-cxx/mgmt/dispatcher.hpp>
#include <ndn-cxx/mgmt/nfd/face-event-notification.hpp>
#include <ndn-cxx/mgmt/nfd/face-monitor.hpp>
#include <ndn-cxx/mgmt/nfd/face-status.hpp>
#include <ndn-cxx/mgmt/nfd/control-parameters.hpp>
#include <ndn-cxx/mgmt/nfd/control-response.hpp>
#include <ndn-cxx/security/key-chain.hpp>
#include <ndn-cxx/util/scheduler.hpp>
 
namespace nlsr {
 
class Nlsr
{
public:
  using FetchDatasetCallback = std::function<void(const std::vector<ndn::nfd::FaceStatus>&)>;
  using FetchDatasetTimeoutCallback = std::function<void(uint32_t, const std::string&)>;
 
  class Error : public std::runtime_error
  {
  public:
    using std::runtime_error::runtime_error;
  };
 
  Nlsr(ndn::Face& face, ndn::KeyChain& keyChain, ConfParameter& confParam);
 
  Lsdb&
  getLsdb()
  {
    return m_lsdb;
  }
 
  Fib&
  getFib()
  {
    return m_fib;
  }
 
private:
  void
  registerStrategyForCerts(const ndn::Name& originRouter);
 
  void
  addDispatcherTopPrefix(const ndn::Name& topPrefix);
 
PUBLIC_WITH_TESTS_ELSE_PRIVATE:
  void
  initializeFaces(const FetchDatasetCallback& onFetchSuccess,
                  const FetchDatasetTimeoutCallback& onFetchFailure);
 
  void
  onFaceDatasetFetchTimeout(uint32_t code,
                            const std::string& reason,
                            uint32_t nRetriesSoFar);
 
  void
  processFaceDataset(const std::vector<ndn::nfd::FaceStatus>& faces);
 
private:
  void
  registerAdjacencyPrefixes(const Adjacent& adj, ndn::time::milliseconds timeout);
 
  void
  registerPrefix(const ndn::Name& prefix);
 
  void
  onFaceEventNotification(const ndn::nfd::FaceEventNotification& faceEventNotification);
 
  void
  scheduleDatasetFetch();
 
  void
  enableIncomingFaceIdIndication();
 
public:
  static inline const ndn::Name LOCALHOST_PREFIX{"/localhost/nlsr"};
 
private:
  ndn::Face& m_face;
  ndn::Scheduler m_scheduler;
  ConfParameter& m_confParam;
  AdjacencyList& m_adjacencyList;
  NamePrefixList& m_namePrefixList;
  std::vector<ndn::Name> m_strategySetOnRouters;
 
PUBLIC_WITH_TESTS_ELSE_PRIVATE:
  Fib m_fib;
  Lsdb m_lsdb;
  RoutingTable m_routingTable;
  NamePrefixTable m_namePrefixTable;
  HelloProtocol m_helloProtocol;
 
private:
  ndn::signal::ScopedConnection m_onNewLsaConnection;
  ndn::signal::ScopedConnection m_onPrefixRegistrationSuccess;
  ndn::signal::ScopedConnection m_onInitialHelloDataValidated;
 
PUBLIC_WITH_TESTS_ELSE_PRIVATE:
  ndn::mgmt::Dispatcher m_dispatcher;
  DatasetInterestHandler m_datasetHandler;
 
private:
  ndn::nfd::Controller m_controller;
  ndn::nfd::Controller m_faceDatasetController;
 
PUBLIC_WITH_TESTS_ELSE_PRIVATE:
  update::PrefixUpdateProcessor m_prefixUpdateProcessor;
  update::NfdRibCommandProcessor m_nfdRibCommandProcessor;
 
  StatsCollector m_statsCollector;
 
private:
  ndn::nfd::FaceMonitor m_faceMonitor;
};
 
} // namespace nlsr
 
#endif // NLSR_NLSR_HPP