lsa-segment-storage.hpp

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

#include "test-access-control.hpp"

#include <ndn-cxx/util/segment-fetcher.hpp>
#include <ndn-cxx/util/signal.hpp>
#include <ndn-cxx/util/time.hpp>

#include <vector>
#include <tuple>

namespace nlsr {

class LsaSegmentStorage
{
public:
  LsaSegmentStorage(ndn::Scheduler& scheduler);

  void
  connectToFetcher(ndn::util::SegmentFetcher& fetcher);

  const ndn::Data*
  getLsaSegment(const ndn::Interest& interest);

PUBLIC_WITH_TESTS_ELSE_PRIVATE:
   void
   afterFetcherSignalEmitted(const ndn::Data& lsaSegment);

private:
  void
  deleteOldLsas(const ndn::Name& newLsaName);

  void
  scheduleLsaSegmentDeletion(const ndn::Name& segmentKey, ndn::time::seconds expirationTime);


private:
  ndn::Scheduler& m_scheduler;

  // Key: /<router-prefix>/<LS type>/<sequence no.>/<segment no.>
  // Value: corresponding LSA data packet
  //        Data name: /<router-prefix>/<LS type>/<sequence no.>/<version no.>/<segment no.>
  std::unordered_map<ndn::Name, ndn::Data> m_lsaSegments;
};

} // namespace nlsr

#endif // NLSR_LSA_SEGMENT_STORAGE_HPP