| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /* |
| * Copyright (c) 2014-2024, 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/>. |
| */ |
| |
| #include "pit-entry.hpp" |
| |
| #include <algorithm> |
| |
| namespace nfd::pit { |
| |
| void |
| FaceRecord::update(const Interest& interest) |
| { |
| m_lastNonce = interest.getNonce(); |
| m_lastRenewed = time::steady_clock::now(); |
| |
| auto lifetime = interest.getInterestLifetime(); |
| // impose an upper bound on the lifetime to prevent integer overflow when calculating m_expiry |
| lifetime = std::min<time::milliseconds>(lifetime, 10_days); |
| m_expiry = m_lastRenewed + lifetime; |
| } |
| |
| void |
| InRecord::update(const Interest& interest) |
| { |
| FaceRecord::update(interest); |
| m_interest = interest.shared_from_this(); |
| } |
| |
| bool |
| OutRecord::setIncomingNack(const lp::Nack& nack) |
| { |
| if (nack.getInterest().getNonce() != this->getLastNonce()) { |
| return false; |
| } |
| |
| m_incomingNack = make_unique<lp::NackHeader>(nack.getHeader()); |
| return true; |
| } |
| |
| Entry::Entry(const Interest& interest) |
| : m_interest(interest.shared_from_this()) |
| { |
| } |
| |
| bool |
| Entry::canMatch(const Interest& interest, size_t nEqualNameComps) const |
| { |
| BOOST_ASSERT(m_interest->getName().compare(0, nEqualNameComps, |
| interest.getName(), 0, nEqualNameComps) == 0); |
| |
| return m_interest->getName().compare(nEqualNameComps, Name::npos, |
| interest.getName(), nEqualNameComps) == 0 && |
| m_interest->getCanBePrefix() == interest.getCanBePrefix() && |
| m_interest->getMustBeFresh() == interest.getMustBeFresh(); |
| /// \todo #3162 match ForwardingHint field |
| } |
| |
| InRecordCollection::iterator |
| Entry::findInRecord(const Face& face) |
| { |
| return std::find_if(m_inRecords.begin(), m_inRecords.end(), |
| [&face] (const InRecord& inRecord) { return &inRecord.getFace() == &face; }); |
| } |
| |
| InRecordCollection::iterator |
| Entry::insertOrUpdateInRecord(Face& face, const Interest& interest) |
| { |
| BOOST_ASSERT(this->canMatch(interest)); |
| |
| auto it = std::find_if(m_inRecords.begin(), m_inRecords.end(), |
| [&face] (const InRecord& inRecord) { return &inRecord.getFace() == &face; }); |
| if (it == m_inRecords.end()) { |
| m_inRecords.emplace_front(face); |
| it = m_inRecords.begin(); |
| } |
| |
| it->update(interest); |
| return it; |
| } |
| |
| OutRecordCollection::iterator |
| Entry::findOutRecord(const Face& face) |
| { |
| return std::find_if(m_outRecords.begin(), m_outRecords.end(), |
| [&face] (const OutRecord& outRecord) { return &outRecord.getFace() == &face; }); |
| } |
| |
| OutRecordCollection::iterator |
| Entry::insertOrUpdateOutRecord(Face& face, const Interest& interest) |
| { |
| BOOST_ASSERT(this->canMatch(interest)); |
| |
| auto it = std::find_if(m_outRecords.begin(), m_outRecords.end(), |
| [&face] (const OutRecord& outRecord) { return &outRecord.getFace() == &face; }); |
| if (it == m_outRecords.end()) { |
| m_outRecords.emplace_front(face); |
| it = m_outRecords.begin(); |
| } |
| |
| it->update(interest); |
| return it; |
| } |
| |
| void |
| Entry::deleteOutRecord(const Face& face) |
| { |
| auto it = std::find_if(m_outRecords.begin(), m_outRecords.end(), |
| [&face] (const OutRecord& outRecord) { return &outRecord.getFace() == &face; }); |
| if (it != m_outRecords.end()) { |
| m_outRecords.erase(it); |
| } |
| } |
| |
| } // namespace nfd::pit |