mgmt refactoring: FaceManager
Change-Id: I292a3e3d702746d6e946a2844e6f88f64cd711a4
Refs: #2107
diff --git a/daemon/mgmt/face-manager.cpp b/daemon/mgmt/face-manager.cpp
new file mode 100644
index 0000000..2991ee6
--- /dev/null
+++ b/daemon/mgmt/face-manager.cpp
@@ -0,0 +1,917 @@
+/* -*- 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