nexthop-list.hpp

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

#include "nexthop.hpp"
#include "adjacent.hpp"

#include <set>
#include <iostream>
#include <boost/cstdint.hpp>
#include <ndn-cxx/face.hpp>

namespace nlsr {

struct NextHopComparator {
  bool
  operator() (const NextHop& nh1, const NextHop& nh2) const {
    if (nh1.getRouteCostAsAdjustedInteger() < nh2.getRouteCostAsAdjustedInteger()) {
      return true;
    }
    else if (nh1.getRouteCostAsAdjustedInteger() == nh2.getRouteCostAsAdjustedInteger()) {
      return nh1.getConnectingFaceUri() < nh2.getConnectingFaceUri();
    }
    else {
      return false;
    }
  }
};

class NexthopList
{
public:
  NexthopList()
  {
  }

  ~NexthopList()
  {
  }

  void
  addNextHop(const NextHop& nh);

  void
  removeNextHop(const NextHop& nh);

  size_t
  size() const
  {
    return m_nexthopList.size();
  }

  void
  reset()
  {
    m_nexthopList.clear();
  }

  const std::set<NextHop, NextHopComparator>&
  getNextHops() const
  {
    return m_nexthopList;
  }

  typedef std::set<NextHop, NextHopComparator>::iterator iterator;
  typedef std::set<NextHop, NextHopComparator>::const_iterator const_iterator;

  iterator
  begin()
  {
    return m_nexthopList.begin();
  }

  iterator
  end()
  {
    return m_nexthopList.end();
  }

  const_iterator
  cbegin() const
  {
    return m_nexthopList.begin();
  }

  const_iterator
  cend() const
  {
    return m_nexthopList.end();
  }

  void
  writeLog();

private:
  std::set<NextHop, NextHopComparator> m_nexthopList;
};

bool
operator==(NexthopList& lhs, NexthopList& rhs);

bool
operator==(const NexthopList& lhs, const NexthopList& rhs);

bool
operator!=(const NexthopList& lhs, const NexthopList& rhs);

std::ostream&
operator<<(std::ostream& os, const NexthopList& nhl);

} // namespace nlsr

#endif // NLSR_NEXTHOP_LIST_HPP