| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /** |
| * Copyright (c) 2014, 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 "face-flags.hpp" |
| #include "core/logger.hpp" |
| #include "core/face-uri.hpp" |
| #include "core/network-interface.hpp" |
| #include "fw/face-table.hpp" |
| #include "face/tcp-factory.hpp" |
| #include "face/udp-factory.hpp" |
| #include "core/config-file.hpp" |
| |
| #ifdef HAVE_UNIX_SOCKETS |
| #include "face/unix-stream-factory.hpp" |
| #endif // HAVE_UNIX_SOCKETS |
| |
| #ifdef HAVE_LIBPCAP |
| #include "face/ethernet-factory.hpp" |
| #endif // HAVE_LIBPCAP |
| |
| #ifdef HAVE_WEBSOCKET |
| #include "face/websocket-factory.hpp" |
| #endif // HAVE_WEBSOCKET |
| |
| #include <ndn-cxx/management/nfd-face-event-notification.hpp> |
| |
| namespace nfd { |
| |
| NFD_LOG_INIT("FaceManager"); |
| |
| const Name FaceManager::COMMAND_PREFIX("/localhost/nfd/faces"); |
| |
| const size_t FaceManager::COMMAND_UNSIGNED_NCOMPS = |
| FaceManager::COMMAND_PREFIX.size() + |
| 1 + // verb |
| 1; // verb parameters |
| |
| const size_t FaceManager::COMMAND_SIGNED_NCOMPS = |
| FaceManager::COMMAND_UNSIGNED_NCOMPS + |
| 4; // (timestamp, nonce, signed info tlv, signature tlv) |
| |
| const FaceManager::SignedVerbAndProcessor FaceManager::SIGNED_COMMAND_VERBS[] = |
| { |
| SignedVerbAndProcessor( |
| Name::Component("create"), |
| &FaceManager::createFace |
| ), |
| |
| SignedVerbAndProcessor( |
| Name::Component("destroy"), |
| &FaceManager::destroyFace |
| ), |
| |
| SignedVerbAndProcessor( |
| Name::Component("enable-local-control"), |
| &FaceManager::enableLocalControl |
| ), |
| |
| SignedVerbAndProcessor( |
| Name::Component("disable-local-control"), |
| &FaceManager::disableLocalControl |
| ), |
| }; |
| |
| const FaceManager::UnsignedVerbAndProcessor FaceManager::UNSIGNED_COMMAND_VERBS[] = |
| { |
| UnsignedVerbAndProcessor( |
| Name::Component("list"), |
| &FaceManager::listFaces |
| ), |
| |
| UnsignedVerbAndProcessor( |
| Name::Component("events"), |
| &FaceManager::ignoreUnsignedVerb |
| ), |
| |
| UnsignedVerbAndProcessor( |
| Name::Component("channels"), |
| &FaceManager::listChannels |
| ), |
| }; |
| |
| const Name FaceManager::FACES_LIST_DATASET_PREFIX("/localhost/nfd/faces/list"); |
| const size_t FaceManager::FACES_LIST_DATASET_NCOMPS = FACES_LIST_DATASET_PREFIX.size(); |
| |
| const Name FaceManager::FACE_EVENTS_PREFIX("/localhost/nfd/faces/events"); |
| |
| const Name FaceManager::CHANNELS_LIST_DATASET_PREFIX("/localhost/nfd/faces/channels"); |
| const size_t FaceManager::CHANNELS_LIST_DATASET_NCOMPS = CHANNELS_LIST_DATASET_PREFIX.size(); |
| |
| FaceManager::FaceManager(FaceTable& faceTable, |
| shared_ptr<InternalFace> face) |
| : ManagerBase(face, FACE_MANAGER_PRIVILEGE) |
| , m_faceTable(faceTable) |
| , m_faceStatusPublisher(m_faceTable, m_face, FACES_LIST_DATASET_PREFIX) |
| , m_channelStatusPublisher(m_factories, m_face, CHANNELS_LIST_DATASET_PREFIX) |
| , m_notificationStream(m_face, FACE_EVENTS_PREFIX) |
| , m_signedVerbDispatch(SIGNED_COMMAND_VERBS, |
| SIGNED_COMMAND_VERBS + |
| (sizeof(SIGNED_COMMAND_VERBS) / sizeof(SignedVerbAndProcessor))) |
| , m_unsignedVerbDispatch(UNSIGNED_COMMAND_VERBS, |
| UNSIGNED_COMMAND_VERBS + |
| (sizeof(UNSIGNED_COMMAND_VERBS) / sizeof(UnsignedVerbAndProcessor))) |
| |
| { |
| face->setInterestFilter("/localhost/nfd/faces", |
| bind(&FaceManager::onFaceRequest, this, _2)); |
| |
| m_faceTable.onAdd += bind(&FaceManager::onAddFace, this, _1); |
| m_faceTable.onRemove += bind(&FaceManager::onRemoveFace, this, _1); |
| } |
| |
| FaceManager::~FaceManager() |
| { |
| |
| } |
| |
| void |
| FaceManager::setConfigFile(ConfigFile& configFile) |
| { |
| configFile.addSectionHandler("face_system", |
| bind(&FaceManager::onConfig, this, _1, _2, _3)); |
| } |
| |
| |
| void |
| FaceManager::onConfig(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::list<shared_ptr<NetworkInterfaceInfo> > nicList(listNetworkInterfaces()); |
| |
| for (ConfigSection::const_iterator item = configSection.begin(); |
| item != configSection.end(); |
| ++item) |
| { |
| if (item->first == "unix") |
| { |
| if (hasSeenUnix) |
| throw Error("Duplicate \"unix\" section"); |
| hasSeenUnix = true; |
| |
| processSectionUnix(item->second, isDryRun); |
| } |
| else if (item->first == "tcp") |
| { |
| if (hasSeenTcp) |
| throw Error("Duplicate \"tcp\" section"); |
| hasSeenTcp = true; |
| |
| processSectionTcp(item->second, isDryRun); |
| } |
| else if (item->first == "udp") |
| { |
| if (hasSeenUdp) |
| throw Error("Duplicate \"udp\" section"); |
| hasSeenUdp = true; |
| |
| processSectionUdp(item->second, isDryRun, nicList); |
| } |
| else if (item->first == "ether") |
| { |
| if (hasSeenEther) |
| throw Error("Duplicate \"ether\" section"); |
| hasSeenEther = true; |
| |
| processSectionEther(item->second, isDryRun, nicList); |
| } |
| else if (item->first == "websocket") |
| { |
| if (hasSeenWebSocket) |
| throw Error("Duplicate \"websocket\" section"); |
| hasSeenWebSocket = true; |
| |
| processSectionWebSocket(item->second, isDryRun); |
| } |
| else |
| { |
| throw 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 |
| // { |
| // listen yes ; set to 'no' to disable UNIX stream listener, default 'yes' |
| // path /var/run/nfd.sock ; UNIX stream listener path |
| // } |
| |
| #if defined(HAVE_UNIX_SOCKETS) |
| |
| bool needToListen = true; |
| std::string path = "/var/run/nfd.sock"; |
| |
| for (ConfigSection::const_iterator i = configSection.begin(); |
| i != configSection.end(); |
| ++i) |
| { |
| if (i->first == "path") |
| { |
| path = i->second.get_value<std::string>(); |
| } |
| else if (i->first == "listen") |
| { |
| needToListen = parseYesNo(i, i->first, "unix"); |
| } |
| else |
| { |
| throw ConfigFile::Error("Unrecognized option \"" + i->first + "\" in \"unix\" section"); |
| } |
| } |
| |
| if (!isDryRun) |
| { |
| if (m_factories.count("unix") > 0) |
| { |
| return; |
| // shared_ptr<UnixStreamFactory> factory |
| // = static_pointer_cast<UnixStreamFactory>(m_factories["unix"]); |
| // shared_ptr<UnixStreamChannel> unixChannel = factory->findChannel(path); |
| |
| // if (static_cast<bool>(unixChannel)) |
| // { |
| // return; |
| // } |
| } |
| |
| shared_ptr<UnixStreamFactory> factory = make_shared<UnixStreamFactory>(); |
| shared_ptr<UnixStreamChannel> unixChannel = factory->createChannel(path); |
| |
| if (needToListen) |
| { |
| // 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 |
| throw 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 (ConfigSection::const_iterator 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) |
| { |
| throw ConfigFile::Error("Invalid value for option " + |
| i->first + "\" in \"tcp\" section"); |
| } |
| } |
| else if (i->first == "listen") |
| { |
| needToListen = parseYesNo(i, i->first, "tcp"); |
| } |
| else if (i->first == "enable_v4") |
| { |
| enableV4 = parseYesNo(i, i->first, "tcp"); |
| } |
| else if (i->first == "enable_v6") |
| { |
| enableV6 = parseYesNo(i, i->first, "tcp"); |
| } |
| else |
| { |
| throw ConfigFile::Error("Unrecognized option \"" + i->first + "\" in \"tcp\" section"); |
| } |
| } |
| |
| if (!enableV4 && !enableV6) |
| { |
| throw 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 = ndn::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::list<shared_ptr<NetworkInterfaceInfo> >& nicList) |
| { |
| // ; the udp section contains settings of UDP faces and channels |
| // udp |
| // { |
| // port 6363 ; UDP unicast port number |
| // idle_timeout 30 ; 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 = 30; |
| size_t keepAliveInterval = 25; |
| bool useMcast = true; |
| std::string mcastGroup = "224.0.23.170"; |
| std::string mcastPort = "56363"; |
| |
| |
| for (ConfigSection::const_iterator 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) |
| { |
| throw ConfigFile::Error("Invalid value for option " + |
| i->first + "\" in \"udp\" section"); |
| } |
| } |
| else if (i->first == "enable_v4") |
| { |
| enableV4 = parseYesNo(i, i->first, "udp"); |
| } |
| else if (i->first == "enable_v6") |
| { |
| enableV6 = parseYesNo(i, i->first, "udp"); |
| } |
| else if (i->first == "idle_timeout") |
| { |
| try |
| { |
| timeout = i->second.get_value<size_t>(); |
| } |
| catch (const std::exception& e) |
| { |
| throw 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 |
| (void)(keepAliveInterval); |
| } |
| catch (const std::exception& e) |
| { |
| throw ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"udp\" section"); |
| } |
| } |
| else if (i->first == "mcast") |
| { |
| useMcast = 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) |
| { |
| throw 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()) |
| { |
| throw ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"udp\" section"); |
| } |
| } |
| catch(const std::runtime_error& e) |
| { |
| throw ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"udp\" section"); |
| } |
| } |
| else |
| { |
| throw ConfigFile::Error("Unrecognized option \"" + i->first + "\" in \"udp\" section"); |
| } |
| } |
| |
| if (!enableV4 && !enableV6) |
| { |
| throw 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) |
| { |
| throw ConfigFile::Error("IPv4 multicast requested, but IPv4 channels" |
| " have been disabled (conflicting configuration options set)"); |
| } |
| |
| /// \todo what is keep alive interval used for? |
| |
| 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 = ndn::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::list<shared_ptr<NetworkInterfaceInfo> > ipv4MulticastInterfaces; |
| for (std::list<shared_ptr<NetworkInterfaceInfo> >::const_iterator i = nicList.begin(); |
| i != nicList.end(); |
| ++i) |
| { |
| const shared_ptr<NetworkInterfaceInfo>& nic = *i; |
| 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 (UdpFactory::MulticastFaceMap::const_iterator i = |
| factory->getMulticastFaces().begin(); |
| i != factory->getMulticastFaces().end(); |
| ++i) |
| { |
| multicastFacesToRemove.push_back(i->second); |
| } |
| |
| for (std::list<shared_ptr<NetworkInterfaceInfo> >::const_iterator i = |
| ipv4MulticastInterfaces.begin(); |
| i != ipv4MulticastInterfaces.end(); |
| ++i) |
| { |
| const shared_ptr<NetworkInterfaceInfo>& nic = *i; |
| shared_ptr<MulticastUdpFace> newFace; |
| newFace = factory->createMulticastFace(nic->ipv4Addresses[0].to_string(), |
| mcastGroup, |
| mcastPort, |
| isNicNameNecessary ? nic->name : ""); |
| |
| addCreatedFaceToForwarder(newFace); |
| multicastFacesToRemove.remove(newFace); |
| } |
| |
| for (std::list<shared_ptr<MulticastUdpFace> >::iterator i = |
| multicastFacesToRemove.begin(); |
| i != multicastFacesToRemove.end(); |
| ++i) |
| { |
| (*i)->close(); |
| } |
| } |
| else |
| { |
| std::list<shared_ptr<MulticastUdpFace> > multicastFacesToRemove; |
| for (UdpFactory::MulticastFaceMap::const_iterator i = |
| factory->getMulticastFaces().begin(); |
| i != factory->getMulticastFaces().end(); |
| ++i) |
| { |
| multicastFacesToRemove.push_back(i->second); |
| } |
| |
| for (std::list<shared_ptr<MulticastUdpFace> >::iterator i = |
| multicastFacesToRemove.begin(); |
| i != multicastFacesToRemove.end(); |
| ++i) |
| { |
| (*i)->close(); |
| } |
| } |
| } |
| } |
| |
| void |
| FaceManager::processSectionEther(const ConfigSection& configSection, |
| bool isDryRun, |
| const std::list<shared_ptr<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) |
| |
| using ethernet::Address; |
| |
| bool useMcast = true; |
| Address mcastGroup(ethernet::getDefaultMulticastAddress()); |
| |
| for (ConfigSection::const_iterator i = configSection.begin(); |
| i != configSection.end(); |
| ++i) |
| { |
| if (i->first == "mcast") |
| { |
| useMcast = parseYesNo(i, i->first, "ether"); |
| } |
| |
| else if (i->first == "mcast_group") |
| { |
| mcastGroup = Address::fromString(i->second.get_value<std::string>()); |
| if (mcastGroup.isNull()) |
| { |
| throw ConfigFile::Error("Invalid value for option \"" + |
| i->first + "\" in \"ether\" section"); |
| } |
| } |
| else |
| { |
| throw 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 = ndn::make_shared<EthernetFactory>(); |
| m_factories.insert(std::make_pair("ether", factory)); |
| } |
| |
| if (useMcast) |
| { |
| std::list<shared_ptr<EthernetFace> > multicastFacesToRemove; |
| for (EthernetFactory::MulticastFaceMap::const_iterator i = |
| factory->getMulticastFaces().begin(); |
| i != factory->getMulticastFaces().end(); |
| ++i) |
| { |
| multicastFacesToRemove.push_back(i->second); |
| } |
| |
| for (std::list<shared_ptr<NetworkInterfaceInfo> >::const_iterator i = nicList.begin(); |
| i != nicList.end(); |
| ++i) |
| { |
| const shared_ptr<NetworkInterfaceInfo>& nic = *i; |
| 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 (std::list<shared_ptr<EthernetFace> >::iterator i = |
| multicastFacesToRemove.begin(); |
| i != multicastFacesToRemove.end(); |
| ++i) |
| { |
| (*i)->close(); |
| } |
| } |
| else |
| { |
| std::list<shared_ptr<EthernetFace> > multicastFacesToRemove; |
| for (EthernetFactory::MulticastFaceMap::const_iterator i = |
| factory->getMulticastFaces().begin(); |
| i != factory->getMulticastFaces().end(); |
| ++i) |
| { |
| multicastFacesToRemove.push_back(i->second); |
| } |
| |
| for (std::list<shared_ptr<EthernetFace> >::iterator i = |
| multicastFacesToRemove.begin(); |
| i != multicastFacesToRemove.end(); |
| ++i) |
| { |
| (*i)->close(); |
| } |
| } |
| } |
| #else |
| throw 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 (ConfigSection::const_iterator 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) |
| { |
| throw ConfigFile::Error("Invalid value for option " + |
| i->first + "\" in \"websocket\" section"); |
| } |
| } |
| else if (i->first == "listen") |
| { |
| needToListen = parseYesNo(i, i->first, "websocket"); |
| } |
| else if (i->first == "enable_v4") |
| { |
| enableV4 = parseYesNo(i, i->first, "websocket"); |
| } |
| else if (i->first == "enable_v6") |
| { |
| enableV6 = parseYesNo(i, i->first, "websocket"); |
| } |
| else |
| { |
| throw ConfigFile::Error("Unrecognized option \"" + |
| i->first + "\" in \"websocket\" section"); |
| } |
| } |
| |
| if (!enableV4 && !enableV6) |
| { |
| throw 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) |
| { |
| throw ConfigFile::Error("NFD does not allow pure IPv6 WebSocket channel."); |
| } |
| |
| if (!isDryRun) |
| { |
| if (m_factories.count("websocket") > 0) |
| { |
| return; |
| } |
| |
| shared_ptr<WebSocketFactory> factory = ndn::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 |
| throw ConfigFile::Error("NFD was compiled without WebSocket, " |
| "cannot process \"websocket\" section"); |
| #endif // HAVE_WEBSOCKET |
| } |
| |
| |
| void |
| FaceManager::onFaceRequest(const Interest& request) |
| { |
| const Name& command = request.getName(); |
| const size_t commandNComps = command.size(); |
| const Name::Component& verb = command.get(COMMAND_PREFIX.size()); |
| |
| UnsignedVerbDispatchTable::const_iterator unsignedVerbProcessor = |
| m_unsignedVerbDispatch.find(verb); |
| if (unsignedVerbProcessor != m_unsignedVerbDispatch.end()) |
| { |
| NFD_LOG_DEBUG("command result: processing verb: " << verb); |
| (unsignedVerbProcessor->second)(this, request); |
| } |
| else if (COMMAND_UNSIGNED_NCOMPS <= commandNComps && |
| commandNComps < COMMAND_SIGNED_NCOMPS) |
| { |
| NFD_LOG_DEBUG("command result: unsigned verb: " << command); |
| sendResponse(command, 401, "Signature required"); |
| } |
| else if (commandNComps < COMMAND_SIGNED_NCOMPS || |
| !COMMAND_PREFIX.isPrefixOf(command)) |
| { |
| NFD_LOG_DEBUG("command result: malformed"); |
| sendResponse(command, 400, "Malformed command"); |
| } |
| else |
| { |
| validate(request, |
| bind(&FaceManager::onValidatedFaceRequest, this, _1), |
| bind(&ManagerBase::onCommandValidationFailed, this, _1, _2)); |
| } |
| } |
| |
| void |
| FaceManager::onValidatedFaceRequest(const shared_ptr<const Interest>& request) |
| { |
| const Name& command = request->getName(); |
| const Name::Component& verb = command[COMMAND_PREFIX.size()]; |
| const Name::Component& parameterComponent = command[COMMAND_PREFIX.size() + 1]; |
| |
| SignedVerbDispatchTable::const_iterator signedVerbProcessor = m_signedVerbDispatch.find(verb); |
| if (signedVerbProcessor != m_signedVerbDispatch.end()) |
| { |
| ControlParameters parameters; |
| if (!extractParameters(parameterComponent, parameters)) |
| { |
| sendResponse(command, 400, "Malformed command"); |
| return; |
| } |
| |
| NFD_LOG_DEBUG("command result: processing verb: " << verb); |
| (signedVerbProcessor->second)(this, *request, parameters); |
| } |
| else |
| { |
| NFD_LOG_DEBUG("command result: unsupported verb: " << verb); |
| sendResponse(command, 501, "Unsupported command"); |
| } |
| |
| } |
| |
| void |
| FaceManager::addCreatedFaceToForwarder(const shared_ptr<Face>& newFace) |
| { |
| m_faceTable.add(newFace); |
| |
| //NFD_LOG_DEBUG("Created face " << newFace->getRemoteUri() << " ID " << newFace->getId()); |
| } |
| |
| void |
| FaceManager::onCreated(const Name& requestName, |
| ControlParameters& parameters, |
| const shared_ptr<Face>& newFace) |
| { |
| addCreatedFaceToForwarder(newFace); |
| parameters.setFaceId(newFace->getId()); |
| parameters.setUri(newFace->getRemoteUri().toString()); |
| |
| sendResponse(requestName, 200, "Success", parameters.wireEncode()); |
| } |
| |
| void |
| FaceManager::onConnectFailed(const Name& requestName, const std::string& reason) |
| { |
| NFD_LOG_DEBUG("Failed to create face: " << reason); |
| sendResponse(requestName, 408, reason); |
| } |
| |
| void |
| FaceManager::createFace(const Interest& request, |
| ControlParameters& parameters) |
| { |
| const Name& requestName = request.getName(); |
| ndn::nfd::FaceCreateCommand command; |
| |
| if (!validateParameters(command, parameters)) |
| { |
| sendResponse(requestName, 400, "Malformed command"); |
| NFD_LOG_TRACE("invalid control parameters URI"); |
| return; |
| } |
| |
| FaceUri uri; |
| if (!uri.parse(parameters.getUri())) |
| { |
| sendResponse(requestName, 400, "Malformed command"); |
| NFD_LOG_TRACE("failed to parse URI"); |
| return; |
| } |
| |
| FactoryMap::iterator factory = m_factories.find(uri.getScheme()); |
| if (factory == m_factories.end()) |
| { |
| sendResponse(requestName, 501, "Unsupported protocol"); |
| return; |
| } |
| |
| try |
| { |
| factory->second->createFace(uri, |
| bind(&FaceManager::onCreated, |
| this, requestName, parameters, _1), |
| bind(&FaceManager::onConnectFailed, |
| this, requestName, _1)); |
| } |
| catch (const std::runtime_error& error) |
| { |
| std::string errorMessage = "NFD error: "; |
| errorMessage += error.what(); |
| |
| NFD_LOG_ERROR(errorMessage); |
| sendResponse(requestName, 500, errorMessage); |
| } |
| catch (const std::logic_error& error) |
| { |
| std::string errorMessage = "NFD error: "; |
| errorMessage += error.what(); |
| |
| NFD_LOG_ERROR(errorMessage); |
| sendResponse(requestName, 500, errorMessage); |
| } |
| } |
| |
| |
| void |
| FaceManager::destroyFace(const Interest& request, |
| ControlParameters& parameters) |
| { |
| const Name& requestName = request.getName(); |
| ndn::nfd::FaceDestroyCommand command; |
| |
| if (!validateParameters(command, parameters)) |
| { |
| sendResponse(requestName, 400, "Malformed command"); |
| return; |
| } |
| |
| shared_ptr<Face> target = m_faceTable.get(parameters.getFaceId()); |
| if (static_cast<bool>(target)) |
| { |
| target->close(); |
| } |
| |
| sendResponse(requestName, 200, "Success", parameters.wireEncode()); |
| |
| } |
| |
| void |
| FaceManager::onAddFace(shared_ptr<Face> face) |
| { |
| ndn::nfd::FaceEventNotification notification; |
| notification.setKind(ndn::nfd::FACE_EVENT_CREATED) |
| .setFaceId(face->getId()) |
| .setRemoteUri(face->getRemoteUri().toString()) |
| .setLocalUri(face->getLocalUri().toString()) |
| .setFlags(getFaceFlags(*face)); |
| |
| m_notificationStream.postNotification(notification); |
| } |
| |
| void |
| FaceManager::onRemoveFace(shared_ptr<Face> face) |
| { |
| ndn::nfd::FaceEventNotification notification; |
| notification.setKind(ndn::nfd::FACE_EVENT_DESTROYED) |
| .setFaceId(face->getId()) |
| .setRemoteUri(face->getRemoteUri().toString()) |
| .setLocalUri(face->getLocalUri().toString()) |
| .setFlags(getFaceFlags(*face)); |
| |
| m_notificationStream.postNotification(notification); |
| } |
| |
| |
| bool |
| FaceManager::extractLocalControlParameters(const Interest& request, |
| ControlParameters& parameters, |
| ControlCommand& command, |
| shared_ptr<LocalFace>& outFace, |
| LocalControlFeature& outFeature) |
| { |
| if (!validateParameters(command, parameters)) |
| { |
| sendResponse(request.getName(), 400, "Malformed command"); |
| return false; |
| } |
| |
| shared_ptr<Face> face = m_faceTable.get(request.getIncomingFaceId()); |
| |
| if (!static_cast<bool>(face)) |
| { |
| NFD_LOG_DEBUG("command result: faceid " << request.getIncomingFaceId() << " not found"); |
| sendResponse(request.getName(), 410, "Face not found"); |
| return false; |
| } |
| else if (!face->isLocal()) |
| { |
| NFD_LOG_DEBUG("command result: cannot enable local control on non-local faceid " << |
| face->getId()); |
| sendResponse(request.getName(), 412, "Face is non-local"); |
| return false; |
| } |
| |
| outFace = dynamic_pointer_cast<LocalFace>(face); |
| outFeature = static_cast<LocalControlFeature>(parameters.getLocalControlFeature()); |
| |
| return true; |
| } |
| |
| void |
| FaceManager::enableLocalControl(const Interest& request, |
| ControlParameters& parameters) |
| { |
| ndn::nfd::FaceEnableLocalControlCommand command; |
| |
| |
| shared_ptr<LocalFace> face; |
| LocalControlFeature feature; |
| |
| if (extractLocalControlParameters(request, parameters, command, face, feature)) |
| { |
| face->setLocalControlHeaderFeature(feature, true); |
| sendResponse(request.getName(), 200, "Success", parameters.wireEncode()); |
| } |
| } |
| |
| void |
| FaceManager::disableLocalControl(const Interest& request, |
| ControlParameters& parameters) |
| { |
| ndn::nfd::FaceDisableLocalControlCommand command; |
| shared_ptr<LocalFace> face; |
| LocalControlFeature feature; |
| |
| if (extractLocalControlParameters(request, parameters, command, face, feature)) |
| { |
| face->setLocalControlHeaderFeature(feature, false); |
| sendResponse(request.getName(), 200, "Success", parameters.wireEncode()); |
| } |
| } |
| |
| void |
| FaceManager::listFaces(const Interest& request) |
| { |
| const Name& command = request.getName(); |
| const size_t commandNComps = command.size(); |
| |
| if (commandNComps < FACES_LIST_DATASET_NCOMPS || |
| !FACES_LIST_DATASET_PREFIX.isPrefixOf(command)) |
| { |
| NFD_LOG_DEBUG("command result: malformed"); |
| sendResponse(command, 400, "Malformed command"); |
| return; |
| } |
| |
| m_faceStatusPublisher.publish(); |
| } |
| |
| void |
| FaceManager::listChannels(const Interest& request) |
| { |
| NFD_LOG_DEBUG("in listChannels"); |
| const Name& command = request.getName(); |
| const size_t commandNComps = command.size(); |
| |
| if (commandNComps < CHANNELS_LIST_DATASET_NCOMPS || |
| !CHANNELS_LIST_DATASET_PREFIX.isPrefixOf(command)) |
| { |
| NFD_LOG_DEBUG("command result: malformed"); |
| sendResponse(command, 400, "Malformed command"); |
| return; |
| } |
| |
| NFD_LOG_DEBUG("publishing"); |
| m_channelStatusPublisher.publish(); |
| } |
| |
| shared_ptr<ProtocolFactory> |
| FaceManager::findFactory(const std::string& protocol) |
| { |
| FactoryMap::iterator factory = m_factories.find(protocol); |
| if (factory != m_factories.end()) |
| return factory->second; |
| else |
| return shared_ptr<ProtocolFactory>(); |
| } |
| |
| |
| } // namespace nfd |