measurements.hpp

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

#include "measurements-entry.hpp"
#include "name-tree.hpp"

namespace nfd {

namespace fib {
class Entry;
}

namespace pit {
class Entry;
}


class Measurements : noncopyable
{
public:
  explicit
  Measurements(NameTree& nametree);

  shared_ptr<measurements::Entry>
  get(const Name& name);

  shared_ptr<measurements::Entry>
  get(const fib::Entry& fibEntry);

  shared_ptr<measurements::Entry>
  get(const pit::Entry& pitEntry);

  shared_ptr<measurements::Entry>
  getParent(const measurements::Entry& child);

  shared_ptr<measurements::Entry>
  findLongestPrefixMatch(const Name& name) const;

  shared_ptr<measurements::Entry>
  findExactMatch(const Name& name) const;

  static time::nanoseconds
  getInitialLifetime();

  void
  extendLifetime(measurements::Entry& entry, const time::nanoseconds& lifetime);

  size_t
  size() const;

private:
  void
  cleanup(measurements::Entry& entry);

  shared_ptr<measurements::Entry>
  get(name_tree::Entry& nte);

private:
  NameTree& m_nameTree;
  size_t m_nItems;
  static const time::nanoseconds s_defaultLifetime;
};

inline time::nanoseconds
Measurements::getInitialLifetime()
{
  return time::seconds(4);
}

inline size_t
Measurements::size() const
{
  return m_nItems;
}

} // namespace nfd

#endif // NFD_DAEMON_TABLE_MEASUREMENTS_HPP