Junxiao Shi
125 lines
2.9 KiB
C++
125 lines
2.9 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (C) 2014 Named Data Networking Project
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* See COPYING for copyright and distribution information.
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*/
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#include "pit-entry.hpp"
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#include <algorithm>
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namespace nfd {
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namespace pit {
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Entry::Entry(const Interest& interest)
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: m_interest(interest)
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{
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}
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const Name&
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Entry::getName() const
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{
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return m_interest.getName();
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}
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const InRecordCollection&
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Entry::getInRecords() const
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{
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return m_inRecords;
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}
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const OutRecordCollection&
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Entry::getOutRecords() const
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{
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return m_outRecords;
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}
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static inline bool
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predicate_FaceRecord_Face(const FaceRecord& faceRecord, shared_ptr<Face> face)
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{
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return faceRecord.getFace() == face;
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}
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static inline bool
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predicate_FaceRecord_ne_Face_and_unexpired(const FaceRecord& faceRecord,
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shared_ptr<Face> face, time::Point now)
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{
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return faceRecord.getFace() != face && faceRecord.getExpiry() >= now;
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}
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bool
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Entry::canForwardTo(shared_ptr<Face> face) const
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{
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OutRecordCollection::const_iterator outIt = std::find_if(
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m_outRecords.begin(), m_outRecords.end(),
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bind(&predicate_FaceRecord_Face, _1, face));
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bool hasUnexpiredOutRecord = outIt != m_outRecords.end() &&
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outIt->getExpiry() >= time::now();
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if (hasUnexpiredOutRecord) {
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return false;
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}
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InRecordCollection::const_iterator inIt = std::find_if(
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m_inRecords.begin(), m_inRecords.end(),
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bind(&predicate_FaceRecord_ne_Face_and_unexpired, _1, face, time::now()));
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bool hasUnexpiredOtherInRecord = inIt != m_inRecords.end();
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return hasUnexpiredOtherInRecord;
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}
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bool
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Entry::addNonce(uint32_t nonce)
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{
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std::pair<std::set<uint32_t>::iterator, bool> insertResult =
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m_nonces.insert(nonce);
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return insertResult.second;
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}
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InRecordCollection::iterator
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Entry::insertOrUpdateInRecord(shared_ptr<Face> face, const Interest& interest)
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{
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InRecordCollection::iterator it = std::find_if(m_inRecords.begin(),
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m_inRecords.end(), bind(&predicate_FaceRecord_Face, _1, face));
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if (it == m_inRecords.end()) {
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m_inRecords.push_front(InRecord(face));
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it = m_inRecords.begin();
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}
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it->update(interest);
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return it;
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}
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void
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Entry::deleteInRecords()
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{
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m_inRecords.clear();
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}
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OutRecordCollection::iterator
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Entry::insertOrUpdateOutRecord(shared_ptr<Face> face, const Interest& interest)
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{
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OutRecordCollection::iterator it = std::find_if(m_outRecords.begin(),
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m_outRecords.end(), bind(&predicate_FaceRecord_Face, _1, face));
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if (it == m_outRecords.end()) {
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m_outRecords.push_front(OutRecord(face));
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it = m_outRecords.begin();
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}
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it->update(interest);
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m_nonces.insert(interest.getNonce());
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return it;
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}
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void
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Entry::deleteOutRecord(shared_ptr<Face> face)
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{
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OutRecordCollection::iterator it = std::find_if(m_outRecords.begin(),
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m_outRecords.end(), bind(&predicate_FaceRecord_Face, _1, face));
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if (it != m_outRecords.end()) {
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m_outRecords.erase(it);
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}
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}
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} // namespace pit
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} // namespace nfd
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