Junxiao Shi
131 lines
4.2 KiB
C++
131 lines
4.2 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014-2017, 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 "face-system.hpp"
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#include "protocol-factory.hpp"
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#include "core/logger.hpp"
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#include "fw/face-table.hpp"
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namespace nfd {
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namespace face {
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NFD_LOG_INIT("FaceSystem");
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FaceSystem::FaceSystem(FaceTable& faceTable)
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: m_faceTable(faceTable)
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{
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for (const std::string& id : ProtocolFactory::listRegistered()) {
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NFD_LOG_TRACE("creating factory " << id);
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m_factories[id] = ProtocolFactory::create(id);
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}
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}
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FaceSystem::~FaceSystem() = default;
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std::set<const ProtocolFactory*>
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FaceSystem::listProtocolFactories() const
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{
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std::set<const ProtocolFactory*> factories;
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for (const auto& p : m_factories) {
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factories.insert(p.second.get());
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}
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return factories;
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}
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ProtocolFactory*
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FaceSystem::getFactoryById(const std::string& id)
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{
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auto found = m_factories.find(id);
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return found == m_factories.end() ? nullptr : found->second.get();
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}
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ProtocolFactory*
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FaceSystem::getFactoryByScheme(const std::string& scheme)
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{
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auto found = m_factoryByScheme.find(scheme);
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return found == m_factoryByScheme.end() ? nullptr : found->second;
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}
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void
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FaceSystem::setConfigFile(ConfigFile& configFile)
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{
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configFile.addSectionHandler("face_system", bind(&FaceSystem::processConfig, this, _1, _2, _3));
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}
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void
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FaceSystem::processConfig(const ConfigSection& configSection, bool isDryRun, const std::string& filename)
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{
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ConfigContext context;
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context.isDryRun = isDryRun;
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context.addFace = bind(&FaceTable::add, &m_faceTable, _1);
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context.m_netifs = listNetworkInterfaces();
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// process sections in protocol factories
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for (const auto& pair : m_factories) {
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const std::string& sectionName = pair.first;
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ProtocolFactory* factory = pair.second.get();
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std::set<std::string> oldProvidedSchemes = factory->getProvidedSchemes();
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factory->processConfig(configSection.get_child_optional(sectionName), context);
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if (!isDryRun) {
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for (const std::string& scheme : factory->getProvidedSchemes()) {
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m_factoryByScheme[scheme] = factory;
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if (oldProvidedSchemes.erase(scheme) == 0) {
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NFD_LOG_TRACE("factory " << sectionName <<
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" provides " << scheme << " FaceUri scheme");
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}
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}
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for (const std::string& scheme : oldProvidedSchemes) {
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m_factoryByScheme.erase(scheme);
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NFD_LOG_TRACE("factory " << sectionName <<
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" no longer provides " << scheme << " FaceUri scheme");
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}
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}
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}
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// process other sections
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std::set<std::string> seenSections;
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for (const auto& pair : configSection) {
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const std::string& sectionName = pair.first;
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// const ConfigSection& subSection = pair.second;
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if (!seenSections.insert(sectionName).second) {
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BOOST_THROW_EXCEPTION(ConfigFile::Error("Duplicate section face_system." + sectionName));
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}
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if (m_factories.count(sectionName) > 0) {
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continue;
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}
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///\todo #3521 nicfaces
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BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option face_system." + sectionName));
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}
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}
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} // namespace face
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} // namespace nfd
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