| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /** |
| * Copyright (c) 2014-2015, 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 "face-manager.hpp" |
| |
| #include "core/network-interface.hpp" |
| #include "fw/face-table.hpp" |
| #include "face/tcp-factory.hpp" |
| #include "face/udp-factory.hpp" |
| |
| #include <ndn-cxx/management/nfd-face-status.hpp> |
| #include <ndn-cxx/management/nfd-channel-status.hpp> |
| #include <ndn-cxx/management/nfd-face-event-notification.hpp> |
| |
| #ifdef HAVE_UNIX_SOCKETS |
| #include "face/unix-stream-factory.hpp" |
| #endif // HAVE_UNIX_SOCKETS |
| |
| #ifdef HAVE_LIBPCAP |
| #include "face/ethernet-factory.hpp" |
| #include "face/ethernet-face.hpp" |
| #endif // HAVE_LIBPCAP |
| |
| #ifdef HAVE_WEBSOCKET |
| #include "face/websocket-factory.hpp" |
| #endif // HAVE_WEBSOCKET |
| |
| namespace nfd { |
| |
| NFD_LOG_INIT("FaceManager"); |
| |
| FaceManager::FaceManager(FaceTable& faceTable, |
| Dispatcher& dispatcher, |
| CommandValidator& validator) |
| : ManagerBase(dispatcher, validator, "faces") |
| , m_faceTable(faceTable) |
| { |
| registerCommandHandler<ndn::nfd::FaceCreateCommand>("create", |
| bind(&FaceManager::createFace, this, _2, _3, _4, _5)); |
| |
| registerCommandHandler<ndn::nfd::FaceDestroyCommand>("destroy", |
| bind(&FaceManager::destroyFace, this, _2, _3, _4, _5)); |
| |
| registerCommandHandler<ndn::nfd::FaceEnableLocalControlCommand>("enable-local-control", |
| bind(&FaceManager::enableLocalControl, this, _2, _3, _4, _5)); |
| |
| registerCommandHandler<ndn::nfd::FaceDisableLocalControlCommand>("disable-local-control", |
| bind(&FaceManager::disableLocalControl, this, _2, _3, _4, _5)); |
| |
| registerStatusDatasetHandler("list", bind(&FaceManager::listFaces, this, _1, _2, _3)); |
| registerStatusDatasetHandler("channels", bind(&FaceManager::listChannels, this, _1, _2, _3)); |
| registerStatusDatasetHandler("query", bind(&FaceManager::queryFaces, this, _1, _2, _3)); |
| |
| auto postNotification = registerNotificationStream("events"); |
| m_faceAddConn = |
| m_faceTable.onAdd.connect(bind(&FaceManager::afterFaceAdded, this, _1, postNotification)); |
| m_faceRemoveConn = |
| m_faceTable.onRemove.connect(bind(&FaceManager::afterFaceRemoved, this, _1, postNotification)); |
| } |
| |
| void |
| FaceManager::setConfigFile(ConfigFile& configFile) |
| { |
| configFile.addSectionHandler("face_system", bind(&FaceManager::processConfig, this, _1, _2, _3)); |
| } |
| |
| void |
| FaceManager::createFace(const Name& topPrefix, const Interest& interest, |
| const ControlParameters& parameters, |
| const ndn::mgmt::CommandContinuation& done) |
| { |
| FaceUri uri; |
| if (!uri.parse(parameters.getUri())) { |
| NFD_LOG_TRACE("failed to parse URI"); |
| return done(ControlResponse(400, "Malformed command")); |
| } |
| |
| if (!uri.isCanonical()) { |
| NFD_LOG_TRACE("received non-canonical URI"); |
| return done(ControlResponse(400, "Non-canonical URI")); |
| } |
| |
| FactoryMap::iterator factory = m_factories.find(uri.getScheme()); |
| if (factory == m_factories.end()) { |
| return done(ControlResponse(501, "Unsupported protocol")); |
| } |
| |
| try { |
| factory->second->createFace(uri, |
| parameters.getFacePersistency(), |
| bind(&FaceManager::afterCreateFaceSuccess, |
| this, parameters, _1, done), |
| bind(&FaceManager::afterCreateFaceFailure, |
| this, _1, done)); |
| } |
| catch (const std::runtime_error& error) { |
| std::string errorMessage = "Face creation failed: "; |
| errorMessage += error.what(); |
| |
| NFD_LOG_ERROR(errorMessage); |
| return done(ControlResponse(500, errorMessage)); |
| } |
| catch (const std::logic_error& error) { |
| std::string errorMessage = "Face creation failed: "; |
| errorMessage += error.what(); |
| |
| NFD_LOG_ERROR(errorMessage); |
| return done(ControlResponse(500, errorMessage)); |
| } |
| } |
| |
| void |
| FaceManager::destroyFace(const Name& topPrefix, const Interest& interest, |
| const ControlParameters& parameters, |
| const ndn::mgmt::CommandContinuation& done) |
| { |
| shared_ptr<Face> target = m_faceTable.get(parameters.getFaceId()); |
| if (target) { |
| target->close(); |
| } |
| |
| done(ControlResponse(200, "OK").setBody(parameters.wireEncode())); |
| } |
| |
| void |
| FaceManager::enableLocalControl(const Name& topPrefix, const Interest& interest, |
| const ControlParameters& parameters, |
| const ndn::mgmt::CommandContinuation& done) |
| { |
| auto result = extractLocalControlParameters(interest, parameters, done); |
| if (result.isValid) { |
| result.face->setLocalControlHeaderFeature(result.feature, true); |
| return done(ControlResponse(200, "OK").setBody(parameters.wireEncode())); |
| } |
| } |
| |
| void |
| FaceManager::disableLocalControl(const Name& topPrefix, const Interest& interest, |
| const ControlParameters& parameters, |
| const ndn::mgmt::CommandContinuation& done) |
| { |
| auto result = extractLocalControlParameters(interest, parameters, done); |
| if (result.isValid) { |
| result.face->setLocalControlHeaderFeature(result.feature, false); |
| return done(ControlResponse(200, "OK").setBody(parameters.wireEncode())); |
| } |
| } |
| |
| void |
| FaceManager::afterCreateFaceSuccess(ControlParameters& parameters, |
| const shared_ptr<Face>& newFace, |
| const ndn::mgmt::CommandContinuation& done) |
| { |
| addCreatedFaceToForwarder(newFace); |
| parameters.setFaceId(newFace->getId()); |
| parameters.setUri(newFace->getRemoteUri().toString()); |
| parameters.setFacePersistency(newFace->getPersistency()); |
| |
| done(ControlResponse(200, "OK").setBody(parameters.wireEncode())); |
| } |
| |
| void |
| FaceManager::afterCreateFaceFailure(const std::string& reason, |
| const ndn::mgmt::CommandContinuation& done) |
| { |
| NFD_LOG_DEBUG("Failed to create face: " << reason); |
| |
| done(ControlResponse(408, "Failed to create face: " + reason)); |
| } |
| |
| FaceManager::ExtractLocalControlParametersResult |
| FaceManager::extractLocalControlParameters(const Interest& request, |
| const ControlParameters& parameters, |
| const ndn::mgmt::CommandContinuation& done) |
| { |
| ExtractLocalControlParametersResult result; |
| result.isValid = false; |
| |
| auto face = m_faceTable.get(request.getIncomingFaceId()); |
| if (!static_cast<bool>(face)) { |
| NFD_LOG_DEBUG("command result: faceid " << request.getIncomingFaceId() << " not found"); |
| done(ControlResponse(410, "Face not found")); |
| return result; |
| } |
| |
| if (!face->isLocal()) { |
| NFD_LOG_DEBUG("command result: cannot enable local control on non-local faceid " << |
| face->getId()); |
| done(ControlResponse(412, "Face is non-local")); |
| return result; |
| } |
| |
| result.isValid = true; |
| result.face = dynamic_pointer_cast<LocalFace>(face); |
| result.feature = static_cast<LocalControlFeature>(parameters.getLocalControlFeature()); |
| |
| return result; |
| } |
| |
| void |
| FaceManager::listFaces(const Name& topPrefix, const Interest& interest, |
| ndn::mgmt::StatusDatasetContext& context) |
| { |
| for (const auto& face : m_faceTable) { |
| context.append(face->getFaceStatus().wireEncode()); |
| } |
| context.end(); |
| } |
| |
| void |
| FaceManager::listChannels(const Name& topPrefix, const Interest& interest, |
| ndn::mgmt::StatusDatasetContext& context) |
| { |
| std::set<shared_ptr<ProtocolFactory>> seenFactories; |
| |
| for (auto i = m_factories.begin(); i != m_factories.end(); ++i) { |
| const shared_ptr<ProtocolFactory>& factory = i->second; |
| |
| if (seenFactories.find(factory) != seenFactories.end()) { |
| continue; |
| } |
| seenFactories.insert(factory); |
| |
| std::list<shared_ptr<const Channel>> channels = factory->getChannels(); |
| |
| for (auto j = channels.begin(); j != channels.end(); ++j) { |
| ndn::nfd::ChannelStatus entry; |
| entry.setLocalUri((*j)->getUri().toString()); |
| context.append(entry.wireEncode()); |
| } |
| } |
| |
| context.end(); |
| } |
| |
| void |
| FaceManager::queryFaces(const Name& topPrefix, const Interest& interest, |
| ndn::mgmt::StatusDatasetContext& context) |
| { |
| ndn::nfd::FaceQueryFilter faceFilter; |
| const Name& query = interest.getName(); |
| try { |
| faceFilter.wireDecode(query[-1].blockFromValue()); |
| } |
| catch (const tlv::Error&) { |
| NFD_LOG_DEBUG("query result: malformed filter"); |
| return context.reject(ControlResponse(400, "malformed filter")); |
| } |
| |
| for (const auto& face : m_faceTable) { |
| if (doesMatchFilter(faceFilter, face)) { |
| context.append(face->getFaceStatus().wireEncode()); |
| } |
| } |
| context.end(); |
| } |
| |
| bool |
| FaceManager::doesMatchFilter(const ndn::nfd::FaceQueryFilter& filter, shared_ptr<Face> face) |
| { |
| if (filter.hasFaceId() && |
| filter.getFaceId() != static_cast<uint64_t>(face->getId())) { |
| return false; |
| } |
| |
| if (filter.hasUriScheme() && |
| filter.getUriScheme() != face->getRemoteUri().getScheme() && |
| filter.getUriScheme() != face->getLocalUri().getScheme()) { |
| return false; |
| } |
| |
| if (filter.hasRemoteUri() && |
| filter.getRemoteUri() != face->getRemoteUri().toString()) { |
| return false; |
| } |
| |
| if (filter.hasLocalUri() && |
| filter.getLocalUri() != face->getLocalUri().toString()) { |
| return false; |
| } |
| |
| if (filter.hasFaceScope() && |
| (filter.getFaceScope() == ndn::nfd::FACE_SCOPE_LOCAL) != face->isLocal()) { |
| return false; |
| } |
| |
| if (filter.hasFacePersistency() && |
| filter.getFacePersistency() != face->getPersistency()) { |
| return false; |
| } |
| |
| if (filter.hasLinkType() && |
| (filter.getLinkType() == ndn::nfd::LINK_TYPE_MULTI_ACCESS) != face->isMultiAccess()) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void |
| FaceManager::afterFaceAdded(shared_ptr<Face> face, |
| const ndn::mgmt::PostNotification& post) |
| { |
| ndn::nfd::FaceEventNotification notification; |
| notification.setKind(ndn::nfd::FACE_EVENT_CREATED); |
| face->copyStatusTo(notification); |
| |
| post(notification.wireEncode()); |
| } |
| |
| void |
| FaceManager::afterFaceRemoved(shared_ptr<Face> face, |
| const ndn::mgmt::PostNotification& post) |
| { |
| ndn::nfd::FaceEventNotification notification; |
| notification.setKind(ndn::nfd::FACE_EVENT_DESTROYED); |
| face->copyStatusTo(notification); |
| |
| post(notification.wireEncode()); |
| } |
| |
| void |
| FaceManager::processConfig(const ConfigSection& configSection, |
| bool isDryRun, |
| const std::string& filename) |
| { |
| bool hasSeenUnix = false; |
| bool hasSeenTcp = false; |
| bool hasSeenUdp = false; |
| bool hasSeenEther = false; |
| bool hasSeenWebSocket = false; |
| |
| const std::vector<NetworkInterfaceInfo> nicList(listNetworkInterfaces()); |
| |
| for (const auto& item : configSection) { |
| if (item.first == "unix") { |
| if (hasSeenUnix) { |
| BOOST_THROW_EXCEPTION(Error("Duplicate \"unix\" section")); |
| } |
| hasSeenUnix = true; |
| |
| processSectionUnix(item.second, isDryRun); |
| } |
| else if (item.first == "tcp") { |
| if (hasSeenTcp) { |
| BOOST_THROW_EXCEPTION(Error("Duplicate \"tcp\" section")); |
| } |
| hasSeenTcp = true; |
| |
| processSectionTcp(item.second, isDryRun); |
| } |
| else if (item.first == "udp") { |
| if (hasSeenUdp) { |
| BOOST_THROW_EXCEPTION(Error("Duplicate \"udp\" section")); |
| } |
| hasSeenUdp = true; |
| |
| processSectionUdp(item.second, isDryRun, nicList); |
| } |
| else if (item.first == "ether") { |
| if (hasSeenEther) { |
| BOOST_THROW_EXCEPTION(Error("Duplicate \"ether\" section")); |
| } |
| hasSeenEther = true; |
| |
| processSectionEther(item.second, isDryRun, nicList); |
| } |
| else if (item.first == "websocket") { |
| if (hasSeenWebSocket) { |
| BOOST_THROW_EXCEPTION(Error("Duplicate \"websocket\" section")); |
| } |
| hasSeenWebSocket = true; |
| |
| processSectionWebSocket(item.second, isDryRun); |
| } |
| else { |
| BOOST_THROW_EXCEPTION(Error("Unrecognized option \"" + item.first + "\"")); |
| } |
| } |
| } |
| |
| void |
| FaceManager::processSectionUnix(const ConfigSection& configSection, bool isDryRun) |
| { |
| // ; the unix section contains settings of Unix stream faces and channels |
| // unix |
| // { |
| // path /var/run/nfd.sock ; Unix stream listener path |
| // } |
| |
| #if defined(HAVE_UNIX_SOCKETS) |
| |
| std::string path = "/var/run/nfd.sock"; |
| |
| for (auto i = configSection.begin(); i != configSection.end(); ++i) { |
| if (i->first == "path") { |
| path = i->second.get_value<std::string>(); |
| } |
| else { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option \"" + |
| i->first + "\" in \"unix\" section")); |
| } |
| } |
| |
| if (!isDryRun) { |
| if (m_factories.count("unix") > 0) { |
| return; |
| } |
| |
| shared_ptr<UnixStreamFactory> factory = make_shared<UnixStreamFactory>(); |
| shared_ptr<UnixStreamChannel> unixChannel = factory->createChannel(path); |
| |
| // Should acceptFailed callback be used somehow? |
| unixChannel->listen(bind(&FaceTable::add, &m_faceTable, _1), |
| UnixStreamChannel::ConnectFailedCallback()); |
| |
| m_factories.insert(std::make_pair("unix", factory)); |
| } |
| #else |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("NFD was compiled without Unix sockets support, " |
| "cannot process \"unix\" section")); |
| #endif // HAVE_UNIX_SOCKETS |
| } |
| |
| void |
| FaceManager::processSectionTcp(const ConfigSection& configSection, bool isDryRun) |
| { |
| // ; the tcp section contains settings of TCP faces and channels |
| // tcp |
| // { |
| // listen yes ; set to 'no' to disable TCP listener, default 'yes' |
| // port 6363 ; TCP listener port number |
| // } |
| |
| std::string port = "6363"; |
| bool needToListen = true; |
| bool enableV4 = true; |
| bool enableV6 = true; |
| |
| for (auto i = configSection.begin(); i != configSection.end(); ++i) { |
| if (i->first == "port") { |
| port = i->second.get_value<std::string>(); |
| try { |
| uint16_t portNo = boost::lexical_cast<uint16_t>(port); |
| NFD_LOG_TRACE("TCP port set to " << portNo); |
| } |
| catch (const std::bad_cast& error) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option " + |
| i->first + "\" in \"tcp\" section")); |
| } |
| } |
| else if (i->first == "listen") { |
| needToListen = ConfigFile::parseYesNo(i, i->first, "tcp"); |
| } |
| else if (i->first == "enable_v4") { |
| enableV4 = ConfigFile::parseYesNo(i, i->first, "tcp"); |
| } |
| else if (i->first == "enable_v6") { |
| enableV6 = ConfigFile::parseYesNo(i, i->first, "tcp"); |
| } |
| else { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option \"" + |
| i->first + "\" in \"tcp\" section")); |
| } |
| } |
| |
| if (!enableV4 && !enableV6) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("IPv4 and IPv6 channels have been disabled." |
| " Remove \"tcp\" section to disable TCP channels or" |
| " re-enable at least one channel type.")); |
| } |
| |
| if (!isDryRun) { |
| if (m_factories.count("tcp") > 0) { |
| return; |
| } |
| |
| shared_ptr<TcpFactory> factory = make_shared<TcpFactory>(port); |
| m_factories.insert(std::make_pair("tcp", factory)); |
| |
| if (enableV4) { |
| shared_ptr<TcpChannel> ipv4Channel = factory->createChannel("0.0.0.0", port); |
| if (needToListen) { |
| // Should acceptFailed callback be used somehow? |
| ipv4Channel->listen(bind(&FaceTable::add, &m_faceTable, _1), |
| TcpChannel::ConnectFailedCallback()); |
| } |
| |
| m_factories.insert(std::make_pair("tcp4", factory)); |
| } |
| |
| if (enableV6) { |
| shared_ptr<TcpChannel> ipv6Channel = factory->createChannel("::", port); |
| if (needToListen) { |
| // Should acceptFailed callback be used somehow? |
| ipv6Channel->listen(bind(&FaceTable::add, &m_faceTable, _1), |
| TcpChannel::ConnectFailedCallback()); |
| } |
| |
| m_factories.insert(std::make_pair("tcp6", factory)); |
| } |
| } |
| } |
| |
| void |
| FaceManager::processSectionUdp(const ConfigSection& configSection, |
| bool isDryRun, |
| const std::vector<NetworkInterfaceInfo>& nicList) |
| { |
| // ; the udp section contains settings of UDP faces and channels |
| // udp |
| // { |
| // port 6363 ; UDP unicast port number |
| // idle_timeout 600 ; idle time (seconds) before closing a UDP unicast face |
| // keep_alive_interval 25 ; interval (seconds) between keep-alive refreshes |
| |
| // ; NFD creates one UDP multicast face per NIC |
| // mcast yes ; set to 'no' to disable UDP multicast, default 'yes' |
| // mcast_port 56363 ; UDP multicast port number |
| // mcast_group 224.0.23.170 ; UDP multicast group (IPv4 only) |
| // } |
| |
| std::string port = "6363"; |
| bool enableV4 = true; |
| bool enableV6 = true; |
| size_t timeout = 600; |
| size_t keepAliveInterval = 25; |
| bool useMcast = true; |
| std::string mcastGroup = "224.0.23.170"; |
| std::string mcastPort = "56363"; |
| |
| |
| for (auto i = configSection.begin(); i != configSection.end(); ++i) { |
| if (i->first == "port") { |
| port = i->second.get_value<std::string>(); |
| try { |
| uint16_t portNo = boost::lexical_cast<uint16_t>(port); |
| NFD_LOG_TRACE("UDP port set to " << portNo); |
| } |
| catch (const std::bad_cast& error) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option " + |
| i->first + "\" in \"udp\" section")); |
| } |
| } |
| else if (i->first == "enable_v4") { |
| enableV4 = ConfigFile::parseYesNo(i, i->first, "udp"); |
| } |
| else if (i->first == "enable_v6") { |
| enableV6 = ConfigFile::parseYesNo(i, i->first, "udp"); |
| } |
| else if (i->first == "idle_timeout") { |
| try { |
| timeout = i->second.get_value<size_t>(); |
| } |
| catch (const std::exception& e) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"udp\" section")); |
| } |
| } |
| else if (i->first == "keep_alive_interval") { |
| try { |
| keepAliveInterval = i->second.get_value<size_t>(); |
| |
| /// \todo Make use of keepAliveInterval |
| /// \todo what is keep alive interval used for? |
| (void)(keepAliveInterval); |
| } |
| catch (const std::exception& e) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"udp\" section")); |
| } |
| } |
| else if (i->first == "mcast") { |
| useMcast = ConfigFile::parseYesNo(i, i->first, "udp"); |
| } |
| else if (i->first == "mcast_port") { |
| mcastPort = i->second.get_value<std::string>(); |
| try { |
| uint16_t portNo = boost::lexical_cast<uint16_t>(mcastPort); |
| NFD_LOG_TRACE("UDP multicast port set to " << portNo); |
| } |
| catch (const std::bad_cast& error) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option " + |
| i->first + "\" in \"udp\" section")); |
| } |
| } |
| else if (i->first == "mcast_group") { |
| using namespace boost::asio::ip; |
| mcastGroup = i->second.get_value<std::string>(); |
| try { |
| address mcastGroupTest = address::from_string(mcastGroup); |
| if (!mcastGroupTest.is_v4()) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"udp\" section")); |
| } |
| } |
| catch(const std::runtime_error& e) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"udp\" section")); |
| } |
| } |
| else { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option \"" + |
| i->first + "\" in \"udp\" section")); |
| } |
| } |
| |
| if (!enableV4 && !enableV6) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("IPv4 and IPv6 channels have been disabled." |
| " Remove \"udp\" section to disable UDP channels or" |
| " re-enable at least one channel type.")); |
| } |
| else if (useMcast && !enableV4) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("IPv4 multicast requested, but IPv4 channels" |
| " have been disabled (conflicting configuration options set)")); |
| } |
| |
| if (!isDryRun) { |
| shared_ptr<UdpFactory> factory; |
| bool isReload = false; |
| if (m_factories.count("udp") > 0) { |
| isReload = true; |
| factory = static_pointer_cast<UdpFactory>(m_factories["udp"]); |
| } |
| else { |
| factory = make_shared<UdpFactory>(port); |
| m_factories.insert(std::make_pair("udp", factory)); |
| } |
| |
| if (!isReload && enableV4) { |
| shared_ptr<UdpChannel> v4Channel = |
| factory->createChannel("0.0.0.0", port, time::seconds(timeout)); |
| |
| v4Channel->listen(bind(&FaceTable::add, &m_faceTable, _1), |
| UdpChannel::ConnectFailedCallback()); |
| |
| m_factories.insert(std::make_pair("udp4", factory)); |
| } |
| |
| if (!isReload && enableV6) { |
| shared_ptr<UdpChannel> v6Channel = |
| factory->createChannel("::", port, time::seconds(timeout)); |
| |
| v6Channel->listen(bind(&FaceTable::add, &m_faceTable, _1), |
| UdpChannel::ConnectFailedCallback()); |
| m_factories.insert(std::make_pair("udp6", factory)); |
| } |
| |
| if (useMcast && enableV4) { |
| std::vector<NetworkInterfaceInfo> ipv4MulticastInterfaces; |
| for (const auto& nic : nicList) { |
| if (nic.isUp() && nic.isMulticastCapable() && !nic.ipv4Addresses.empty()) { |
| ipv4MulticastInterfaces.push_back(nic); |
| } |
| } |
| |
| bool isNicNameNecessary = false; |
| #if defined(__linux__) |
| if (ipv4MulticastInterfaces.size() > 1) { |
| // On Linux if we have more than one MulticastUdpFace |
| // we need to specify the name of the interface |
| isNicNameNecessary = true; |
| } |
| #endif |
| |
| std::list<shared_ptr<MulticastUdpFace> > multicastFacesToRemove; |
| for (auto i = factory->getMulticastFaces().begin(); |
| i != factory->getMulticastFaces().end(); |
| ++i) { |
| multicastFacesToRemove.push_back(i->second); |
| } |
| |
| for (const auto& nic : ipv4MulticastInterfaces) { |
| shared_ptr<MulticastUdpFace> newFace; |
| newFace = factory->createMulticastFace(nic.ipv4Addresses[0].to_string(), |
| mcastGroup, |
| mcastPort, |
| isNicNameNecessary ? nic.name : ""); |
| addCreatedFaceToForwarder(newFace); |
| multicastFacesToRemove.remove(newFace); |
| } |
| |
| for (auto i = multicastFacesToRemove.begin(); |
| i != multicastFacesToRemove.end(); |
| ++i) { |
| (*i)->close(); |
| } |
| } |
| else { |
| std::list<shared_ptr<MulticastUdpFace>> multicastFacesToRemove; |
| for (auto i = factory->getMulticastFaces().begin(); |
| i != factory->getMulticastFaces().end(); |
| ++i) { |
| multicastFacesToRemove.push_back(i->second); |
| } |
| |
| for (auto i = multicastFacesToRemove.begin(); |
| i != multicastFacesToRemove.end(); |
| ++i) { |
| (*i)->close(); |
| } |
| } |
| } |
| } |
| |
| void |
| FaceManager::processSectionEther(const ConfigSection& configSection, |
| bool isDryRun, |
| const std::vector<NetworkInterfaceInfo>& nicList) |
| { |
| // ; the ether section contains settings of Ethernet faces and channels |
| // ether |
| // { |
| // ; NFD creates one Ethernet multicast face per NIC |
| // mcast yes ; set to 'no' to disable Ethernet multicast, default 'yes' |
| // mcast_group 01:00:5E:00:17:AA ; Ethernet multicast group |
| // } |
| |
| #if defined(HAVE_LIBPCAP) |
| bool useMcast = true; |
| ethernet::Address mcastGroup(ethernet::getDefaultMulticastAddress()); |
| |
| for (auto i = configSection.begin(); i != configSection.end(); ++i) { |
| if (i->first == "mcast") { |
| useMcast = ConfigFile::parseYesNo(i, i->first, "ether"); |
| } |
| else if (i->first == "mcast_group") { |
| mcastGroup = ethernet::Address::fromString(i->second.get_value<std::string>()); |
| if (mcastGroup.isNull()) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"ether\" section")); |
| } |
| } |
| else { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option \"" + |
| i->first + "\" in \"ether\" section")); |
| } |
| } |
| |
| if (!isDryRun) { |
| shared_ptr<EthernetFactory> factory; |
| if (m_factories.count("ether") > 0) { |
| factory = static_pointer_cast<EthernetFactory>(m_factories["ether"]); |
| } |
| else { |
| factory = make_shared<EthernetFactory>(); |
| m_factories.insert(std::make_pair("ether", factory)); |
| } |
| |
| if (useMcast) { |
| std::list<shared_ptr<EthernetFace> > multicastFacesToRemove; |
| for (auto i = factory->getMulticastFaces().begin(); |
| i != factory->getMulticastFaces().end(); |
| ++i) { |
| multicastFacesToRemove.push_back(i->second); |
| } |
| |
| for (const auto& nic : nicList) { |
| if (nic.isUp() && nic.isMulticastCapable()) { |
| try { |
| shared_ptr<EthernetFace> newFace = |
| factory->createMulticastFace(nic, mcastGroup); |
| |
| addCreatedFaceToForwarder(newFace); |
| multicastFacesToRemove.remove(newFace); |
| } |
| catch (const EthernetFactory::Error& factoryError) { |
| NFD_LOG_ERROR(factoryError.what() << ", continuing"); |
| } |
| catch (const EthernetFace::Error& faceError) { |
| NFD_LOG_ERROR(faceError.what() << ", continuing"); |
| } |
| } |
| } |
| |
| for (auto i = multicastFacesToRemove.begin(); |
| i != multicastFacesToRemove.end(); |
| ++i) { |
| (*i)->close(); |
| } |
| } |
| else { |
| std::list<shared_ptr<EthernetFace> > multicastFacesToRemove; |
| for (auto i = factory->getMulticastFaces().begin(); |
| i != factory->getMulticastFaces().end(); |
| ++i) { |
| multicastFacesToRemove.push_back(i->second); |
| } |
| |
| for (auto i = multicastFacesToRemove.begin(); |
| i != multicastFacesToRemove.end(); |
| ++i) { |
| (*i)->close(); |
| } |
| } |
| } |
| #else |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("NFD was compiled without libpcap, cannot process \"ether\" section")); |
| #endif // HAVE_LIBPCAP |
| } |
| |
| void |
| FaceManager::processSectionWebSocket(const ConfigSection& configSection, bool isDryRun) |
| { |
| // ; the websocket section contains settings of WebSocket faces and channels |
| // websocket |
| // { |
| // listen yes ; set to 'no' to disable WebSocket listener, default 'yes' |
| // port 9696 ; WebSocket listener port number |
| // enable_v4 yes ; set to 'no' to disable listening on IPv4 socket, default 'yes' |
| // enable_v6 yes ; set to 'no' to disable listening on IPv6 socket, default 'yes' |
| // } |
| |
| #if defined(HAVE_WEBSOCKET) |
| |
| std::string port = "9696"; |
| bool needToListen = true; |
| bool enableV4 = true; |
| bool enableV6 = true; |
| |
| for (auto i = configSection.begin(); i != configSection.end(); ++i) { |
| if (i->first == "port") { |
| port = i->second.get_value<std::string>(); |
| try { |
| uint16_t portNo = boost::lexical_cast<uint16_t>(port); |
| NFD_LOG_TRACE("WebSocket port set to " << portNo); |
| } |
| catch (const std::bad_cast& error) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option " + |
| i->first + "\" in \"websocket\" section")); |
| } |
| } |
| else if (i->first == "listen") { |
| needToListen = ConfigFile::parseYesNo(i, i->first, "websocket"); |
| } |
| else if (i->first == "enable_v4") { |
| enableV4 = ConfigFile::parseYesNo(i, i->first, "websocket"); |
| } |
| else if (i->first == "enable_v6") { |
| enableV6 = ConfigFile::parseYesNo(i, i->first, "websocket"); |
| } |
| else { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option \"" + |
| i->first + "\" in \"websocket\" section")); |
| } |
| } |
| |
| if (!enableV4 && !enableV6) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("IPv4 and IPv6 channels have been disabled." |
| " Remove \"websocket\" section to disable WebSocket channels or" |
| " re-enable at least one channel type.")); |
| } |
| |
| if (!enableV4 && enableV6) { |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("NFD does not allow pure IPv6 WebSocket channel.")); |
| } |
| |
| if (!isDryRun) { |
| if (m_factories.count("websocket") > 0) { |
| return; |
| } |
| |
| shared_ptr<WebSocketFactory> factory = make_shared<WebSocketFactory>(port); |
| m_factories.insert(std::make_pair("websocket", factory)); |
| |
| if (enableV6 && enableV4) { |
| shared_ptr<WebSocketChannel> ip46Channel = factory->createChannel("::", port); |
| if (needToListen) { |
| ip46Channel->listen(bind(&FaceTable::add, &m_faceTable, _1)); |
| } |
| |
| m_factories.insert(std::make_pair("websocket46", factory)); |
| } |
| else if (enableV4) { |
| shared_ptr<WebSocketChannel> ipv4Channel = factory->createChannel("0.0.0.0", port); |
| if (needToListen) { |
| ipv4Channel->listen(bind(&FaceTable::add, &m_faceTable, _1)); |
| } |
| |
| m_factories.insert(std::make_pair("websocket4", factory)); |
| } |
| } |
| #else |
| BOOST_THROW_EXCEPTION(ConfigFile::Error("NFD was compiled without WebSocket, " |
| "cannot process \"websocket\" section")); |
| #endif // HAVE_WEBSOCKET |
| } |
| |
| void |
| FaceManager::addCreatedFaceToForwarder(shared_ptr<Face> newFace) |
| { |
| m_faceTable.add(newFace); |
| } |
| |
| } // namespace |