adjacency-lsa.hpp

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

#include "lsa-info.hpp"
#include "adjacency.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 AdjacencyLsa
{
public:
  class Error : public ndn::tlv::Error
  {
  public:
    explicit
    Error(const std::string& what)
      : ndn::tlv::Error(what)
    {
    }
  };

  typedef std::list<Adjacency> AdjacencyList;
  typedef AdjacencyList::const_iterator iterator;

  AdjacencyLsa();

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

  const LsaInfo&
  getLsaInfo() const
  {
    return m_lsaInfo;
  }

  AdjacencyLsa&
  setLsaInfo(const LsaInfo& lsaInfo)
  {
    m_lsaInfo = lsaInfo;
    m_wire.reset();
    return *this;
  }

  bool
  hasAdjacencies() const
  {
    return m_hasAdjacencies;
  }

  const std::list<Adjacency>&
  getAdjacencies() const
  {
    return m_adjacencies;
  }

  AdjacencyLsa&
  addAdjacency(const Adjacency& adjacency)
  {
    m_adjacencies.push_back(adjacency);
    m_wire.reset();
    m_hasAdjacencies = true;
    return *this;
  }

  AdjacencyLsa&
  clearAdjacencies()
  {
    m_adjacencies.clear();
    m_hasAdjacencies = false;
    return *this;
  }

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

  const ndn::Block&
  wireEncode() const;

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

  iterator
  begin() const;

  iterator
  end() const;

private:
  LsaInfo m_lsaInfo;
  bool m_hasAdjacencies;
  AdjacencyList m_adjacencies;

  mutable ndn::Block m_wire;
};

inline AdjacencyLsa::iterator
AdjacencyLsa::begin() const
{
  return m_adjacencies.begin();
}

inline AdjacencyLsa::iterator
AdjacencyLsa::end() const
{
  return m_adjacencies.end();
}

std::ostream&
operator<<(std::ostream& os, const AdjacencyLsa& adjacencyLsa);

} // namespace tlv
} // namespace nlsr

#endif // NLSR_TLV_ADJACENCY_LSA_HPP