fib-entry.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "fib-entry.hpp"

namespace nfd {
namespace fib {

Entry::Entry(const Name& prefix)
  : m_prefix(prefix)
{
}

NextHopList::iterator
Entry::findNextHop(Face& face)
{
  return std::find_if(m_nextHops.begin(), m_nextHops.end(),
                      [&face] (const NextHop& nexthop) {
                        return nexthop.getFace().get() == &face;
                      });
}

bool
Entry::hasNextHop(shared_ptr<Face> face) const
{
  return const_cast<Entry*>(this)->findNextHop(*face) != m_nextHops.end();
}

void
Entry::addNextHop(shared_ptr<Face> face, uint64_t cost)
{
  auto it = this->findNextHop(*face);
  if (it == m_nextHops.end()) {
    m_nextHops.push_back(fib::NextHop(face));
    it = m_nextHops.end();
    --it;
  }
  // now it refers to the NextHop for face

  it->setCost(cost);

  this->sortNextHops();
}

void
Entry::removeNextHop(shared_ptr<Face> face)
{
  auto it = this->findNextHop(*face);
  if (it != m_nextHops.end()) {
    m_nextHops.erase(it);
  }
}

void
Entry::sortNextHops()
{
  std::sort(m_nextHops.begin(), m_nextHops.end(),
            [] (const NextHop& a, const NextHop& b) { return a.getCost() < b.getCost(); });
}


} // namespace fib
} // namespace nfd