pit-entry.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2014-2019,  Regents of the University of California,
 *                           Arizona Board of Regents,
 *                           Colorado State University,
 *                           University Pierre & Marie Curie, Sorbonne University,
 *                           Washington University in St. Louis,
 *                           Beijing Institute of Technology,
 *                           The University of Memphis.
 *
 * This file is part of NFD (Named Data Networking Forwarding Daemon).
 * See AUTHORS.md for complete list of NFD authors and contributors.
 *
 * NFD is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NFD_DAEMON_TABLE_PIT_ENTRY_HPP
#define NFD_DAEMON_TABLE_PIT_ENTRY_HPP

#include "pit-in-record.hpp"
#include "pit-out-record.hpp"

#include <list>

namespace nfd {

namespace name_tree {
class Entry;
} // namespace name_tree

namespace pit {

typedef std::list<InRecord> InRecordCollection;

typedef std::list<OutRecord> OutRecordCollection;

class Entry : public StrategyInfoHost, noncopyable
{
public:
  explicit
  Entry(const Interest& interest);

  const Interest&
  getInterest() const
  {
    return *m_interest;
  }

  const Name&
  getName() const
  {
    return m_interest->getName();
  }

  bool
  canMatch(const Interest& interest, size_t nEqualNameComps = 0) const;

public: // in-record
  const InRecordCollection&
  getInRecords() const
  {
    return m_inRecords;
  }

  bool
  hasInRecords() const
  {
    return !m_inRecords.empty();
  }

  InRecordCollection::iterator
  in_begin()
  {
    return m_inRecords.begin();
  }

  InRecordCollection::const_iterator
  in_begin() const
  {
    return m_inRecords.begin();
  }

  InRecordCollection::iterator
  in_end()
  {
    return m_inRecords.end();
  }

  InRecordCollection::const_iterator
  in_end() const
  {
    return m_inRecords.end();
  }

  InRecordCollection::iterator
  getInRecord(const Face& face, EndpointId endpointId);

  InRecordCollection::iterator
  insertOrUpdateInRecord(Face& face, EndpointId endpointId, const Interest& interest);

  void
  deleteInRecord(const Face& face, EndpointId endpointId);

  void
  clearInRecords();

public: // out-record
  const OutRecordCollection&
  getOutRecords() const
  {
    return m_outRecords;
  }

  bool
  hasOutRecords() const
  {
    return !m_outRecords.empty();
  }

  OutRecordCollection::iterator
  out_begin()
  {
    return m_outRecords.begin();
  }

  OutRecordCollection::const_iterator
  out_begin() const
  {
    return m_outRecords.begin();
  }

  OutRecordCollection::iterator
  out_end()
  {
    return m_outRecords.end();
  }

  OutRecordCollection::const_iterator
  out_end() const
  {
    return m_outRecords.end();
  }

  OutRecordCollection::iterator
  getOutRecord(const Face& face, EndpointId endpointId);

  OutRecordCollection::iterator
  insertOrUpdateOutRecord(Face& face, EndpointId endpointId, const Interest& interest);

  void
  deleteOutRecord(const Face& face, EndpointId endpointId);

public: // cleanup
  void
  deleteInOutRecordsByFace(const Face& face);

public:
  scheduler::EventId expiryTimer;

  bool isSatisfied = false;

  time::milliseconds dataFreshnessPeriod = 0_ms;

private:
  shared_ptr<const Interest> m_interest;
  InRecordCollection m_inRecords;
  OutRecordCollection m_outRecords;

  name_tree::Entry* m_nameTreeEntry = nullptr;

  friend class name_tree::Entry;
};

} // namespace pit
} // namespace nfd

#endif // NFD_DAEMON_TABLE_PIT_ENTRY_HPP