routing-table.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NLSR_ROUTING_TABLE_HPP
#define NLSR_ROUTING_TABLE_HPP

#include "conf-parameter.hpp"
#include "routing-table-entry.hpp"
#include "signals.hpp"
#include "lsdb.hpp"
#include "route/fib.hpp"

#include <iostream>
#include <utility>
#include <string>
#include <boost/cstdint.hpp>
#include <ndn-cxx/util/scheduler.hpp>

namespace nlsr {

class NextHop;

class RoutingTable : boost::noncopyable
{
public:
  explicit
  RoutingTable(ndn::Scheduler& scheduler, Fib& fib, Lsdb& lsdb,
               NamePrefixTable& namePrefixTable, ConfParameter& confParam);

  void
  calculate();

  void
  addNextHop(const ndn::Name& destRouter, NextHop& nh);

  void
  addNextHopToDryTable(const ndn::Name& destRouter, NextHop& nh);

  RoutingTableEntry*
  findRoutingTableEntry(const ndn::Name& destRouter);

  void
  scheduleRoutingTableCalculation();

  void
  setRoutingCalcInterval(uint32_t interval)
  {
    m_routingCalcInterval = ndn::time::seconds(interval);
  }

  const ndn::time::seconds&
  getRoutingCalcInterval() const
  {
    return m_routingCalcInterval;
  }

  const std::list<RoutingTableEntry>&
  getRoutingTableEntry() const
  {
    return m_rTable;
  }

  const std::list<RoutingTableEntry>&
  getDryRoutingTableEntry() const
  {
    return m_dryTable;
  }

  uint64_t
  getRtSize()
  {
    return m_rTable.size();
  }

private:
  void
  calculateLsRoutingTable();

  void
  calculateHypRoutingTable(bool isDryRun);

  void
  clearRoutingTable();

  void
  clearDryRoutingTable();

  void
  writeLog();

public:
  std::unique_ptr<AfterRoutingChange> afterRoutingChange;

PUBLIC_WITH_TESTS_ELSE_PRIVATE:
  std::list<RoutingTableEntry> m_rTable;

private:
  ndn::Scheduler& m_scheduler;
  Fib& m_fib;
  Lsdb& m_lsdb;
  NamePrefixTable& m_namePrefixTable;

  std::list<RoutingTableEntry> m_dryTable;

  ndn::time::seconds m_routingCalcInterval;

  bool m_isRoutingTableCalculating;
  bool m_isRouteCalculationScheduled;

  ConfParameter& m_confParam;
};

} // namespace nlsr

#endif // NLSR_ROUTING_TABLE_HPP