Junxiao Shi
ee5a444344
This commit also optimizes Measurements table to make use of NameTree shortcuts. refs #1803 Change-Id: Ib0e465750ed5e8ff9ed129a926a7bc852db4e9e1
142 lines
4.0 KiB
C++
142 lines
4.0 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "name-tree-entry.hpp"
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namespace nfd {
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namespace name_tree {
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Node::Node()
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: m_prev(0)
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, m_next(0)
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{
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}
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Node::~Node()
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{
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// erase the Name Tree Nodes that were created to
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// resolve hash collisions
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// So before erasing a single node, make sure its m_next == 0
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// See eraseEntryIfEmpty in name-tree.cpp
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if (m_next != 0)
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delete m_next;
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}
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Entry::Entry(const Name& name)
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: m_hash(0)
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, m_prefix(name)
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{
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}
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Entry::~Entry()
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{
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}
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bool
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Entry::isEmpty() const
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{
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return m_children.empty() &&
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!static_cast<bool>(m_fibEntry) &&
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m_pitEntries.empty() &&
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!static_cast<bool>(m_measurementsEntry) &&
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!static_cast<bool>(m_strategyChoiceEntry);
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}
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void
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Entry::setFibEntry(shared_ptr<fib::Entry> fibEntry)
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{
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if (static_cast<bool>(fibEntry)) {
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BOOST_ASSERT(!static_cast<bool>(fibEntry->m_nameTreeEntry));
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}
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if (static_cast<bool>(m_fibEntry)) {
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m_fibEntry->m_nameTreeEntry.reset();
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}
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m_fibEntry = fibEntry;
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if (static_cast<bool>(m_fibEntry)) {
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m_fibEntry->m_nameTreeEntry = this->shared_from_this();
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}
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}
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void
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Entry::insertPitEntry(shared_ptr<pit::Entry> pitEntry)
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{
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BOOST_ASSERT(static_cast<bool>(pitEntry));
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BOOST_ASSERT(!static_cast<bool>(pitEntry->m_nameTreeEntry));
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m_pitEntries.push_back(pitEntry);
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pitEntry->m_nameTreeEntry = this->shared_from_this();
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}
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void
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Entry::erasePitEntry(shared_ptr<pit::Entry> pitEntry)
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{
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BOOST_ASSERT(static_cast<bool>(pitEntry));
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BOOST_ASSERT(pitEntry->m_nameTreeEntry.get() == this);
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std::vector<shared_ptr<pit::Entry> >::iterator it =
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std::find(m_pitEntries.begin(), m_pitEntries.end(), pitEntry);
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BOOST_ASSERT(it != m_pitEntries.end());
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*it = m_pitEntries.back();
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m_pitEntries.pop_back();
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pitEntry->m_nameTreeEntry.reset();
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}
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void
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Entry::setMeasurementsEntry(shared_ptr<measurements::Entry> measurementsEntry)
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{
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if (static_cast<bool>(measurementsEntry)) {
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BOOST_ASSERT(!static_cast<bool>(measurementsEntry->m_nameTreeEntry));
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}
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if (static_cast<bool>(m_measurementsEntry)) {
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m_measurementsEntry->m_nameTreeEntry.reset();
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}
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m_measurementsEntry = measurementsEntry;
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if (static_cast<bool>(m_measurementsEntry)) {
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m_measurementsEntry->m_nameTreeEntry = this->shared_from_this();
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}
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}
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void
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Entry::setStrategyChoiceEntry(shared_ptr<strategy_choice::Entry> strategyChoiceEntry)
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{
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if (static_cast<bool>(strategyChoiceEntry)) {
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BOOST_ASSERT(!static_cast<bool>(strategyChoiceEntry->m_nameTreeEntry));
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}
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if (static_cast<bool>(m_strategyChoiceEntry)) {
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m_strategyChoiceEntry->m_nameTreeEntry.reset();
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}
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m_strategyChoiceEntry = strategyChoiceEntry;
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if (static_cast<bool>(m_strategyChoiceEntry)) {
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m_strategyChoiceEntry->m_nameTreeEntry = this->shared_from_this();
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}
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}
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} // namespace name_tree
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} // namespace nfd
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