tlv/routing-table-entry.hpp

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

#include "destination.hpp"
#include "nexthop.hpp"

#include <ndn-cxx/util/time.hpp>
#include <ndn-cxx/encoding/block.hpp>
#include <ndn-cxx/encoding/encoding-buffer.hpp>
#include <ndn-cxx/encoding/tlv.hpp>
#include <ndn-cxx/name.hpp>

#include <list>

namespace nlsr {
namespace tlv {

class RoutingTable
{
public:
  class Error : public ndn::tlv::Error
  {
  public:
    explicit
    Error(const std::string& what)
      : ndn::tlv::Error(what)
    {
    }
  };

  typedef std::list<NextHop> HopList;
  typedef HopList::const_iterator const_iterator;

  RoutingTable();

  explicit
  RoutingTable(const ndn::Block& block);

  const Destination&
  getDestination() const
  {
    return m_des;
  }

  RoutingTable&
  setDestination(const Destination& des)
  {
    m_des = des;
    m_wire.reset();
    return *this;
  }

  uint64_t
  getRtSize() const
  {
    return m_size;
  }

  RoutingTable&
  setRtSize(uint64_t size)
  {
    m_size = size;
    m_wire.reset();
    return *this;
  }

  bool
  hasNexthops() const;

  const std::list<NextHop>&
  getNextHops() const
  {
    return m_nexthops;
  }

  RoutingTable&
  addNexthops(const NextHop& nexthop);

  RoutingTable&
  clearNexthops();

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

  const ndn::Block&
  wireEncode() const;

  void
  wireDecode(const ndn::Block& wire);

  const_iterator
  begin() const;

  const_iterator
  end() const;

private:
  Destination m_des;
  uint64_t m_size;
  bool m_hasNexthops;
  HopList m_nexthops;

  mutable ndn::Block m_wire;
};

NDN_CXX_DECLARE_WIRE_ENCODE_INSTANTIATIONS(RoutingTable);

inline RoutingTable::const_iterator
RoutingTable::begin() const
{
  return m_nexthops.begin();
}

inline RoutingTable::const_iterator
RoutingTable::end() const
{
  return m_nexthops.end();
}

std::ostream&
operator<<(std::ostream& os, const RoutingTable& routetable);

} // namespace tlv
} // namespace nlsr

#endif // NLSR_TLV_ROUTING_TABLE_ENTRY_HPP