pit-entry.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#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 "core/scheduler.hpp"

namespace nfd {

class NameTree;

namespace name_tree {
class Entry;
} // namespace name_tree

class Pit;

namespace pit {

typedef std::list< InRecord>  InRecordCollection;

typedef std::list<OutRecord> OutRecordCollection;

enum DuplicateNonceWhere {
  DUPLICATE_NONCE_NONE      = 0,
  DUPLICATE_NONCE_IN_SAME   = (1 << 0),
  DUPLICATE_NONCE_IN_OTHER  = (1 << 1),
  DUPLICATE_NONCE_OUT_SAME  = (1 << 2),
  DUPLICATE_NONCE_OUT_OTHER = (1 << 3)
};

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

  const Interest&
  getInterest() const;

  const Name&
  getName() const;

  bool
  canForwardTo(const Face& face) const;

  bool
  violatesScope(const Face& face) const;

  int
  findNonce(uint32_t nonce, const Face& face) const;

public: // InRecord
  const InRecordCollection&
  getInRecords() const;

  bool
  hasLocalInRecord() const;

  InRecordCollection::iterator
  insertOrUpdateInRecord(shared_ptr<Face> face, const Interest& interest);

  InRecordCollection::const_iterator
  getInRecord(const Face& face) const;

  void
  deleteInRecord(const Face& face);

  void
  deleteInRecords();

public: // OutRecord
  const OutRecordCollection&
  getOutRecords() const;

  OutRecordCollection::iterator
  insertOrUpdateOutRecord(shared_ptr<Face> face, const Interest& interest);

  OutRecordCollection::iterator
  getOutRecord(const Face& face);

  void
  deleteOutRecord(const Face& face);

  bool
  hasUnexpiredOutRecords() const;

public:
  scheduler::EventId m_unsatisfyTimer;
  scheduler::EventId m_stragglerTimer;

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

  static const Name LOCALHOST_NAME;
  static const Name LOCALHOP_NAME;

  shared_ptr<name_tree::Entry> m_nameTreeEntry;

  friend class nfd::NameTree;
  friend class nfd::name_tree::Entry;
  friend class nfd::Pit;
};

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

inline const InRecordCollection&
Entry::getInRecords() const
{
  return m_inRecords;
}

inline const OutRecordCollection&
Entry::getOutRecords() const
{
  return m_outRecords;
}

} // namespace pit
} // namespace nfd

#endif // NFD_DAEMON_TABLE_PIT_ENTRY_HPP