rib-entry.hpp

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

#include "rib-flags.hpp" // include this first, to ensure it compiles on its own.
#include "../../name.hpp"
#include "../../util/time.hpp"

#include <list>

namespace ndn {
namespace nfd {

class Route : public RibFlagsTraits<Route>
{
public:
  class Error : public tlv::Error
  {
  public:
    explicit
    Error(const std::string& what) : tlv::Error(what)
    {
    }
  };

  Route();

  explicit
  Route(const Block& block);

  uint64_t
  getFaceId() const
  {
    return m_faceId;
  }

  Route&
  setFaceId(uint64_t faceId)
  {
    m_faceId = faceId;
    m_wire.reset();
    return *this;
  }

  uint64_t
  getOrigin() const
  {
    return m_origin;
  }

  Route&
  setOrigin(uint64_t origin)
  {
    m_origin = origin;
    m_wire.reset();
    return *this;
  }

  uint64_t
  getCost() const
  {
    return m_cost;
  }

  Route&
  setCost(uint64_t cost)
  {
    m_cost = cost;
    m_wire.reset();
    return *this;
  }

  uint64_t
  getFlags() const
  {
    return m_flags;
  }

  Route&
  setFlags(uint64_t flags)
  {
    m_flags = flags;
    m_wire.reset();
    return *this;
  }

  static const time::milliseconds INFINITE_EXPIRATION_PERIOD;

  const time::milliseconds&
  getExpirationPeriod() const
  {
    return m_expirationPeriod;
  }

  Route&
  setExpirationPeriod(const time::milliseconds& expirationPeriod)
  {
    m_expirationPeriod = expirationPeriod;

    m_hasInfiniteExpirationPeriod = m_expirationPeriod == INFINITE_EXPIRATION_PERIOD;

    m_wire.reset();
    return *this;
  }

  bool
  hasInfiniteExpirationPeriod() const
  {
    return m_hasInfiniteExpirationPeriod;
  }

  template<encoding::Tag TAG>
  size_t
  wireEncode(EncodingImpl<TAG>& block) const;

  const Block&
  wireEncode() const;

  void
  wireDecode(const Block& wire);

private:
  uint64_t m_faceId;
  uint64_t m_origin;
  uint64_t m_cost;
  uint64_t m_flags;
  time::milliseconds m_expirationPeriod;
  bool m_hasInfiniteExpirationPeriod;

  mutable Block m_wire;
};

std::ostream&
operator<<(std::ostream& os, const Route& route);

class RibEntry
{
public:
  class Error : public tlv::Error
  {
  public:
    Error(const std::string& what) : tlv::Error(what)
    {
    }
  };

  typedef std::list<Route> RouteList;
  typedef RouteList::const_iterator iterator;

  RibEntry();

  explicit
  RibEntry(const Block& block);

  const Name&
  getName() const
  {
    return m_prefix;
  }

  RibEntry&
  setName(const Name& prefix)
  {
    m_prefix = prefix;
    m_wire.reset();
    return *this;
  }

  const std::list<Route>&
  getRoutes() const
  {
    return m_routes;
  }

  RibEntry&
  addRoute(const Route& route)
  {
    m_routes.push_back(route);
    m_wire.reset();
    return *this;
  }

  RibEntry&
  clearRoutes()
  {
    m_routes.clear();
    return *this;
  }

  template<encoding::Tag TAG>
  size_t
  wireEncode(EncodingImpl<TAG>& block) const;

  const Block&
  wireEncode() const;

  void
  wireDecode(const Block& wire);

  iterator
  begin() const;

  iterator
  end() const;

private:
  Name m_prefix;
  RouteList m_routes;

  mutable Block m_wire;
};

inline RibEntry::iterator
RibEntry::begin() const
{
  return m_routes.begin();
}

inline RibEntry::iterator
RibEntry::end() const
{
  return m_routes.end();
}

std::ostream&
operator<<(std::ostream& os, const RibEntry& entry);

} // namespace nfd
} // namespace ndn

#endif // NDN_MGMT_NFD_RIB_ENTRY_HPP