face: process face_system.udp config section in UdpFactory
refs #3904
Change-Id: I8edf69c152f7c164cbab2b482d6b138cbf89d3e2
diff --git a/daemon/face/face-system.cpp b/daemon/face/face-system.cpp
index e5b5175..5359e2d 100644
--- a/daemon/face/face-system.cpp
+++ b/daemon/face/face-system.cpp
@@ -24,7 +24,7 @@
*/
#include "face-system.hpp"
-#include "core/logger.hpp"
+// #include "core/logger.hpp"
#include "fw/face-table.hpp"
// ProtocolFactory includes, sorted alphabetically
@@ -43,7 +43,7 @@
namespace nfd {
namespace face {
-NFD_LOG_INIT("FaceSystem");
+// NFD_LOG_INIT("FaceSystem");
FaceSystem::FaceSystem(FaceTable& faceTable)
: m_faceTable(faceTable)
@@ -56,6 +56,8 @@
m_factories["tcp"] = make_shared<TcpFactory>();
+ m_factories["udp"] = make_shared<UdpFactory>();
+
#ifdef HAVE_UNIX_SOCKETS
m_factories["unix"] = make_shared<UnixStreamFactory>();
#endif // HAVE_UNIX_SOCKETS
@@ -126,7 +128,7 @@
std::set<std::string> seenSections;
for (const auto& pair : configSection) {
const std::string& sectionName = pair.first;
- const ConfigSection& subSection = pair.second;
+ // const ConfigSection& subSection = pair.second;
if (!seenSections.insert(sectionName).second) {
BOOST_THROW_EXCEPTION(ConfigFile::Error("Duplicate section face_system." + sectionName));
@@ -138,168 +140,7 @@
///\todo #3521 nicfaces
- ///\todo #3904 process these in protocol factory
- if (sectionName == "udp") {
- processSectionUdp(subSection, isDryRun, context.m_netifs);
- }
- else {
- BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option face_system." + sectionName));
- }
- }
-}
-
-void
-FaceSystem::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)
- // }
-
- uint16_t port = 6363;
- bool enableV4 = true;
- bool enableV6 = true;
- size_t timeout = 600;
- size_t keepAliveInterval = 25;
- bool useMcast = true;
- auto mcastGroup = boost::asio::ip::address_v4::from_string("224.0.23.170");
- uint16_t mcastPort = 56363;
-
- for (const auto& i : configSection) {
- if (i.first == "port") {
- port = ConfigFile::parseNumber<uint16_t>(i, "udp");
- NFD_LOG_TRACE("UDP unicast port set to " << port);
- }
- else if (i.first == "enable_v4") {
- enableV4 = ConfigFile::parseYesNo(i, "udp");
- }
- else if (i.first == "enable_v6") {
- enableV6 = ConfigFile::parseYesNo(i, "udp");
- }
- else if (i.first == "idle_timeout") {
- try {
- timeout = i.second.get_value<size_t>();
- }
- catch (const boost::property_tree::ptree_bad_data&) {
- 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
- (void)(keepAliveInterval);
- }
- catch (const boost::property_tree::ptree_bad_data&) {
- BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option \"" +
- i.first + "\" in \"udp\" section"));
- }
- }
- else if (i.first == "mcast") {
- useMcast = ConfigFile::parseYesNo(i, "udp");
- }
- else if (i.first == "mcast_port") {
- mcastPort = ConfigFile::parseNumber<uint16_t>(i, "udp");
- NFD_LOG_TRACE("UDP multicast port set to " << mcastPort);
- }
- else if (i.first == "mcast_group") {
- boost::system::error_code ec;
- mcastGroup = boost::asio::ip::address_v4::from_string(i.second.get_value<std::string>(), ec);
- if (ec) {
- BOOST_THROW_EXCEPTION(ConfigFile::Error("Invalid value for option \"" +
- i.first + "\" in \"udp\" section"));
- }
- NFD_LOG_TRACE("UDP multicast group set to " << mcastGroup);
- }
- else {
- BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option \"" +
- i.first + "\" in \"udp\" section"));
- }
- }
-
- if (!enableV4 && !enableV6) {
- BOOST_THROW_EXCEPTION(ConfigFile::Error("IPv4 and IPv6 UDP 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_factoryByScheme.count("udp") > 0) {
- isReload = true;
- factory = static_pointer_cast<UdpFactory>(m_factoryByScheme["udp"]);
- }
- else {
- factory = make_shared<UdpFactory>();
- m_factoryByScheme.emplace("udp", factory);
- }
-
- if (!isReload && enableV4) {
- udp::Endpoint endpoint(boost::asio::ip::udp::v4(), port);
- shared_ptr<UdpChannel> v4Channel = factory->createChannel(endpoint, time::seconds(timeout));
- v4Channel->listen(bind(&FaceTable::add, &m_faceTable, _1), nullptr);
-
- m_factoryByScheme.emplace("udp4", factory);
- }
-
- if (!isReload && enableV6) {
- udp::Endpoint endpoint(boost::asio::ip::udp::v6(), port);
- shared_ptr<UdpChannel> v6Channel = factory->createChannel(endpoint, time::seconds(timeout));
- v6Channel->listen(bind(&FaceTable::add, &m_faceTable, _1), nullptr);
-
- m_factoryByScheme.emplace("udp6", factory);
- }
-
- std::set<shared_ptr<Face>> multicastFacesToRemove;
- for (const auto& i : factory->getMulticastFaces()) {
- multicastFacesToRemove.insert(i.second);
- }
-
- 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
-
- udp::Endpoint mcastEndpoint(mcastGroup, mcastPort);
- for (const auto& nic : ipv4MulticastInterfaces) {
- udp::Endpoint localEndpoint(nic.ipv4Addresses[0], mcastPort);
- auto newFace = factory->createMulticastFace(localEndpoint, mcastEndpoint,
- isNicNameNecessary ? nic.name : "");
- m_faceTable.add(newFace);
- multicastFacesToRemove.erase(newFace);
- }
- }
-
- for (const auto& face : multicastFacesToRemove) {
- face->close();
- }
+ BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option face_system." + sectionName));
}
}
diff --git a/daemon/face/face-system.hpp b/daemon/face/face-system.hpp
index 4d374c7..f6a7c71 100644
--- a/daemon/face/face-system.hpp
+++ b/daemon/face/face-system.hpp
@@ -98,10 +98,6 @@
processConfig(const ConfigSection& configSection, bool isDryRun,
const std::string& filename);
- void
- processSectionUdp(const ConfigSection& configSection, bool isDryRun,
- const std::vector<NetworkInterfaceInfo>& nicList);
-
PUBLIC_WITH_TESTS_ELSE_PRIVATE:
/** \brief config section name => protocol factory
*
diff --git a/daemon/face/udp-channel.hpp b/daemon/face/udp-channel.hpp
index a2506d4..e86e8e9 100644
--- a/daemon/face/udp-channel.hpp
+++ b/daemon/face/udp-channel.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
- * Copyright (c) 2014-2015, Regents of the University of California,
+ * Copyright (c) 2014-2017, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -27,13 +27,10 @@
#define NFD_DAEMON_FACE_UDP_CHANNEL_HPP
#include "channel.hpp"
+#include "udp-protocol.hpp"
namespace nfd {
-namespace udp {
-typedef boost::asio::ip::udp::endpoint Endpoint;
-} // namespace udp
-
/**
* \brief Class implementing UDP-based channel to create faces
*/
diff --git a/daemon/face/udp-factory.cpp b/daemon/face/udp-factory.cpp
index 88ac221..c9b4ac4 100644
--- a/daemon/face/udp-factory.cpp
+++ b/daemon/face/udp-factory.cpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
- * Copyright (c) 2014-2016, Regents of the University of California,
+ * Copyright (c) 2014-2017, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -27,21 +27,199 @@
#include "generic-link-service.hpp"
#include "multicast-udp-transport.hpp"
#include "core/global-io.hpp"
-#include "core/network-interface.hpp"
+#include <boost/range/adaptors.hpp>
+#include <boost/range/algorithm/copy.hpp>
#ifdef __linux__
#include <cerrno> // for errno
#include <cstring> // for std::strerror()
#include <sys/socket.h> // for setsockopt()
-#endif
+#endif // __linux__
namespace nfd {
+namespace face {
namespace ip = boost::asio::ip;
NFD_LOG_INIT("UdpFactory");
void
+UdpFactory::processConfig(OptionalConfigSection configSection,
+ FaceSystem::ConfigContext& context)
+{
+ // udp
+ // {
+ // port 6363
+ // enable_v4 yes
+ // enable_v6 yes
+ // idle_timeout 600
+ // keep_alive_interval 25 ; acceptable but ignored
+ // mcast yes
+ // mcast_group 224.0.23.170
+ // mcast_port 56363
+ // }
+
+ uint16_t port = 6363;
+ bool enableV4 = false;
+ bool enableV6 = false;
+ uint32_t idleTimeout = 600;
+ MulticastConfig mcastConfig;
+
+ if (configSection) {
+ // These default to 'yes' but only if face_system.udp section is present
+ enableV4 = enableV6 = mcastConfig.isEnabled = true;
+
+ for (const auto& pair : *configSection) {
+ const std::string& key = pair.first;
+ const ConfigSection& value = pair.second;
+
+ if (key == "port") {
+ port = ConfigFile::parseNumber<uint16_t>(pair, "face_system.udp");
+ }
+ else if (key == "enable_v4") {
+ enableV4 = ConfigFile::parseYesNo(pair, "face_system.udp");
+ }
+ else if (key == "enable_v6") {
+ enableV6 = ConfigFile::parseYesNo(pair, "face_system.udp");
+ }
+ else if (key == "idle_timeout") {
+ idleTimeout = ConfigFile::parseNumber<uint32_t>(pair, "face_system.udp");
+ }
+ else if (key == "keep_alive_interval") {
+ // ignored
+ }
+ else if (key == "mcast") {
+ mcastConfig.isEnabled = ConfigFile::parseYesNo(pair, "face_system.udp");
+ }
+ else if (key == "mcast_group") {
+ const std::string& valueStr = value.get_value<std::string>();
+ boost::system::error_code ec;
+ mcastConfig.group.address(boost::asio::ip::address_v4::from_string(valueStr, ec));
+ if (ec) {
+ BOOST_THROW_EXCEPTION(ConfigFile::Error("face_system.udp.mcast_group: '" +
+ valueStr + "' cannot be parsed as an IPv4 address"));
+ }
+ else if (!mcastConfig.group.address().is_multicast()) {
+ BOOST_THROW_EXCEPTION(ConfigFile::Error("face_system.udp.mcast_group: '" +
+ valueStr + "' is not a multicast address"));
+ }
+ }
+ else if (key == "mcast_port") {
+ mcastConfig.group.port(ConfigFile::parseNumber<uint16_t>(pair, "face_system.udp"));
+ }
+ else {
+ BOOST_THROW_EXCEPTION(ConfigFile::Error("Unrecognized option face_system.udp." + key));
+ }
+ }
+
+ if (!enableV4 && !enableV6 && !mcastConfig.isEnabled) {
+ BOOST_THROW_EXCEPTION(ConfigFile::Error(
+ "IPv4 and IPv6 UDP channels and UDP multicast have been disabled. "
+ "Remove face_system.udp section to disable UDP channels or enable at least one of them."));
+ }
+ }
+
+ if (!context.isDryRun) {
+ if (enableV4) {
+ udp::Endpoint endpoint(ip::udp::v4(), port);
+ shared_ptr<UdpChannel> v4Channel = this->createChannel(endpoint, time::seconds(idleTimeout));
+ if (!v4Channel->isListening()) {
+ v4Channel->listen(context.addFace, nullptr);
+ }
+ providedSchemes.insert("udp");
+ providedSchemes.insert("udp4");
+ }
+ else if (providedSchemes.count("udp4") > 0) {
+ NFD_LOG_WARN("Cannot close udp4 channel after its creation");
+ }
+
+ if (enableV6) {
+ udp::Endpoint endpoint(ip::udp::v6(), port);
+ shared_ptr<UdpChannel> v6Channel = this->createChannel(endpoint, time::seconds(idleTimeout));
+ if (!v6Channel->isListening()) {
+ v6Channel->listen(context.addFace, nullptr);
+ }
+ providedSchemes.insert("udp");
+ providedSchemes.insert("udp6");
+ }
+ else if (providedSchemes.count("udp6") > 0) {
+ NFD_LOG_WARN("Cannot close udp6 channel after its creation");
+ }
+
+ if (m_mcastConfig.isEnabled != mcastConfig.isEnabled) {
+ if (mcastConfig.isEnabled) {
+ NFD_LOG_INFO("enabling multicast on " << mcastConfig.group);
+ }
+ else {
+ NFD_LOG_INFO("disabling multicast");
+ }
+ }
+ else if (m_mcastConfig.group != mcastConfig.group) {
+ NFD_LOG_INFO("changing multicast group from " << m_mcastConfig.group <<
+ " to " << mcastConfig.group);
+ }
+ else {
+ // There's no configuration change, but we still need to re-apply configuration because
+ // netifs may have changed.
+ }
+
+ m_mcastConfig = mcastConfig;
+ this->applyMulticastConfig(context);
+ }
+}
+
+void
+UdpFactory::createFace(const FaceUri& uri,
+ ndn::nfd::FacePersistency persistency,
+ bool wantLocalFieldsEnabled,
+ const FaceCreatedCallback& onCreated,
+ const FaceCreationFailedCallback& onFailure)
+{
+ BOOST_ASSERT(uri.isCanonical());
+
+ if (persistency == ndn::nfd::FACE_PERSISTENCY_ON_DEMAND) {
+ NFD_LOG_TRACE("createFace does not support FACE_PERSISTENCY_ON_DEMAND");
+ onFailure(406, "Outgoing unicast UDP faces do not support on-demand persistency");
+ return;
+ }
+
+ udp::Endpoint endpoint(ip::address::from_string(uri.getHost()),
+ boost::lexical_cast<uint16_t>(uri.getPort()));
+
+ if (endpoint.address().is_multicast()) {
+ NFD_LOG_TRACE("createFace does not support multicast faces");
+ onFailure(406, "Cannot create multicast UDP faces");
+ return;
+ }
+
+ if (m_prohibitedEndpoints.find(endpoint) != m_prohibitedEndpoints.end()) {
+ NFD_LOG_TRACE("Requested endpoint is prohibited "
+ "(reserved by this NFD or disallowed by face management protocol)");
+ onFailure(406, "Requested endpoint is prohibited");
+ return;
+ }
+
+ if (wantLocalFieldsEnabled) {
+ // UDP faces are never local
+ NFD_LOG_TRACE("createFace cannot create non-local face with local fields enabled");
+ onFailure(406, "Local fields can only be enabled on faces with local scope");
+ return;
+ }
+
+ // very simple logic for now
+ for (const auto& i : m_channels) {
+ if ((i.first.address().is_v4() && endpoint.address().is_v4()) ||
+ (i.first.address().is_v6() && endpoint.address().is_v6())) {
+ i.second->connect(endpoint, persistency, onCreated, onFailure);
+ return;
+ }
+ }
+
+ NFD_LOG_TRACE("No channels available to connect to " + boost::lexical_cast<std::string>(endpoint));
+ onFailure(504, "No channels available to connect");
+}
+
+void
UdpFactory::prohibitEndpoint(const udp::Endpoint& endpoint)
{
if (endpoint.address().is_v4() &&
@@ -126,6 +304,22 @@
return createChannel(endpoint, timeout);
}
+std::vector<shared_ptr<const Channel>>
+UdpFactory::getChannels() const
+{
+ return getChannelsFromMap(m_channels);
+}
+
+shared_ptr<UdpChannel>
+UdpFactory::findChannel(const udp::Endpoint& localEndpoint) const
+{
+ auto i = m_channels.find(localEndpoint);
+ if (i != m_channels.end())
+ return i->second;
+ else
+ return nullptr;
+}
+
shared_ptr<Face>
UdpFactory::createMulticastFace(const udp::Endpoint& localEndpoint,
const udp::Endpoint& multicastEndpoint,
@@ -203,16 +397,16 @@
": " + std::strerror(errno)));
}
}
-#endif
+#endif // __linux__
- auto linkService = make_unique<face::GenericLinkService>();
- auto transport = make_unique<face::MulticastUdpTransport>(localEndpoint, multicastEndpoint,
- std::move(receiveSocket),
- std::move(sendSocket));
+ auto linkService = make_unique<GenericLinkService>();
+ auto transport = make_unique<MulticastUdpTransport>(localEndpoint, multicastEndpoint,
+ std::move(receiveSocket),
+ std::move(sendSocket));
face = make_shared<Face>(std::move(linkService), std::move(transport));
- m_multicastFaces[localEndpoint] = face;
- connectFaceClosedSignal(*face, [this, localEndpoint] { m_multicastFaces.erase(localEndpoint); });
+ m_mcastFaces[localEndpoint] = face;
+ connectFaceClosedSignal(*face, [this, localEndpoint] { m_mcastFaces.erase(localEndpoint); });
return face;
}
@@ -230,87 +424,63 @@
return createMulticastFace(localEndpoint, multicastEndpoint, networkInterfaceName);
}
-void
-UdpFactory::createFace(const FaceUri& uri,
- ndn::nfd::FacePersistency persistency,
- bool wantLocalFieldsEnabled,
- const FaceCreatedCallback& onCreated,
- const FaceCreationFailedCallback& onFailure)
-{
- BOOST_ASSERT(uri.isCanonical());
-
- if (persistency == ndn::nfd::FACE_PERSISTENCY_ON_DEMAND) {
- NFD_LOG_TRACE("createFace does not support FACE_PERSISTENCY_ON_DEMAND");
- onFailure(406, "Outgoing unicast UDP faces do not support on-demand persistency");
- return;
- }
-
- udp::Endpoint endpoint(ip::address::from_string(uri.getHost()),
- boost::lexical_cast<uint16_t>(uri.getPort()));
-
- if (endpoint.address().is_multicast()) {
- NFD_LOG_TRACE("createFace does not support multicast faces");
- onFailure(406, "Cannot create multicast UDP faces");
- return;
- }
-
- if (m_prohibitedEndpoints.find(endpoint) != m_prohibitedEndpoints.end()) {
- NFD_LOG_TRACE("Requested endpoint is prohibited "
- "(reserved by this NFD or disallowed by face management protocol)");
- onFailure(406, "Requested endpoint is prohibited");
- return;
- }
-
- if (wantLocalFieldsEnabled) {
- // UDP faces are never local
- NFD_LOG_TRACE("createFace cannot create non-local face with local fields enabled");
- onFailure(406, "Local fields can only be enabled on faces with local scope");
- return;
- }
-
- // very simple logic for now
- for (const auto& i : m_channels) {
- if ((i.first.address().is_v4() && endpoint.address().is_v4()) ||
- (i.first.address().is_v6() && endpoint.address().is_v6())) {
- i.second->connect(endpoint, persistency, onCreated, onFailure);
- return;
- }
- }
-
- NFD_LOG_TRACE("No channels available to connect to " + boost::lexical_cast<std::string>(endpoint));
- onFailure(504, "No channels available to connect");
-}
-
-std::vector<shared_ptr<const Channel>>
-UdpFactory::getChannels() const
-{
- std::vector<shared_ptr<const Channel>> channels;
- channels.reserve(m_channels.size());
-
- for (const auto& i : m_channels)
- channels.push_back(i.second);
-
- return channels;
-}
-
-shared_ptr<UdpChannel>
-UdpFactory::findChannel(const udp::Endpoint& localEndpoint) const
-{
- auto i = m_channels.find(localEndpoint);
- if (i != m_channels.end())
- return i->second;
- else
- return nullptr;
-}
-
shared_ptr<Face>
UdpFactory::findMulticastFace(const udp::Endpoint& localEndpoint) const
{
- auto i = m_multicastFaces.find(localEndpoint);
- if (i != m_multicastFaces.end())
+ auto i = m_mcastFaces.find(localEndpoint);
+ if (i != m_mcastFaces.end())
return i->second;
else
return nullptr;
}
+void
+UdpFactory::applyMulticastConfig(const FaceSystem::ConfigContext& context)
+{
+ // collect old faces
+ std::set<shared_ptr<Face>> oldFaces;
+ boost::copy(m_mcastFaces | boost::adaptors::map_values,
+ std::inserter(oldFaces, oldFaces.end()));
+
+ if (m_mcastConfig.isEnabled) {
+ // determine interfaces on which faces should be created or retained
+ auto capableNetifRange = context.listNetifs() |
+ boost::adaptors::filtered([this] (const NetworkInterfaceInfo& netif) {
+ return netif.isUp() && netif.isMulticastCapable() &&
+ !netif.ipv4Addresses.empty();
+ });
+
+ bool needIfname = false;
+#ifdef __linux__
+ std::vector<NetworkInterfaceInfo> capableNetifs;
+ boost::copy(capableNetifRange, std::back_inserter(capableNetifs));
+ // on Linux, ifname is needed to create more than one UDP multicast face on the same group
+ needIfname = capableNetifs.size() > 1;
+#else
+ auto& capableNetifs = capableNetifRange;
+#endif // __linux__
+
+ // create faces
+ for (const auto& netif : capableNetifs) {
+ udp::Endpoint localEndpoint(netif.ipv4Addresses.front(), m_mcastConfig.group.port());
+ shared_ptr<Face> face = this->createMulticastFace(localEndpoint, m_mcastConfig.group,
+ needIfname ? netif.name : "");
+ if (face->getId() == INVALID_FACEID) {
+ // new face: register with forwarding
+ context.addFace(face);
+ }
+ else {
+ // existing face: don't destroy
+ oldFaces.erase(face);
+ }
+ }
+ }
+
+ // destroy old faces that are not needed in new configuration
+ for (const auto& face : oldFaces) {
+ face->close();
+ }
+}
+
+} // namespace face
} // namespace nfd
diff --git a/daemon/face/udp-factory.hpp b/daemon/face/udp-factory.hpp
index c788a3f..7ec42b3 100644
--- a/daemon/face/udp-factory.hpp
+++ b/daemon/face/udp-factory.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
- * Copyright (c) 2014-2016, Regents of the University of California,
+ * Copyright (c) 2014-2017, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -30,9 +30,13 @@
#include "udp-channel.hpp"
namespace nfd {
+namespace face {
-/// @todo IPv6 multicast support not implemented
-
+/** \brief protocol factory for UDP over IPv4 and IPv6
+ *
+ * UDP unicast is available over both IPv4 and IPv6.
+ * UDP multicast is available over IPv4 only.
+ */
class UdpFactory : public ProtocolFactory
{
public:
@@ -49,7 +53,18 @@
}
};
- typedef std::map<udp::Endpoint, shared_ptr<Face>> MulticastFaceMap;
+ /** \brief process face_system.udp config section
+ */
+ void
+ processConfig(OptionalConfigSection configSection,
+ FaceSystem::ConfigContext& context) override;
+
+ void
+ createFace(const FaceUri& uri,
+ ndn::nfd::FacePersistency persistency,
+ bool wantLocalFieldsEnabled,
+ const FaceCreatedCallback& onCreated,
+ const FaceCreationFailedCallback& onFailure) override;
/**
* \brief Create UDP-based channel using udp::Endpoint
@@ -97,6 +112,9 @@
createChannel(const std::string& localIp, const std::string& localPort,
const time::seconds& timeout = time::seconds(600));
+ std::vector<shared_ptr<const Channel>>
+ getChannels() const override;
+
/**
* \brief Create MulticastUdpFace using udp::Endpoint
*
@@ -139,23 +157,6 @@
const std::string& multicastPort,
const std::string& networkInterfaceName = "");
- /**
- * \brief Get map of configured multicast faces
- */
- const MulticastFaceMap&
- getMulticastFaces() const;
-
-public: // from ProtocolFactory
- virtual void
- createFace(const FaceUri& uri,
- ndn::nfd::FacePersistency persistency,
- bool wantLocalFieldsEnabled,
- const FaceCreatedCallback& onCreated,
- const FaceCreationFailedCallback& onFailure) override;
-
- virtual std::vector<shared_ptr<const Channel>>
- getChannels() const override;
-
PUBLIC_WITH_TESTS_ELSE_PRIVATE:
void
prohibitEndpoint(const udp::Endpoint& endpoint);
@@ -185,20 +186,26 @@
shared_ptr<Face>
findMulticastFace(const udp::Endpoint& localEndpoint) const;
+ void
+ applyMulticastConfig(const FaceSystem::ConfigContext& context);
+
private:
std::map<udp::Endpoint, shared_ptr<UdpChannel>> m_channels;
- MulticastFaceMap m_multicastFaces;
+
+ struct MulticastConfig
+ {
+ bool isEnabled = false;
+ udp::Endpoint group = udp::getDefaultMulticastGroup();
+ };
+
+ MulticastConfig m_mcastConfig;
+ std::map<udp::Endpoint, shared_ptr<Face>> m_mcastFaces;
PUBLIC_WITH_TESTS_ELSE_PRIVATE:
std::set<udp::Endpoint> m_prohibitedEndpoints;
};
-inline const UdpFactory::MulticastFaceMap&
-UdpFactory::getMulticastFaces() const
-{
- return m_multicastFaces;
-}
-
+} // namespace face
} // namespace nfd
#endif // NFD_DAEMON_FACE_UDP_FACTORY_HPP
diff --git a/daemon/face/udp-protocol.cpp b/daemon/face/udp-protocol.cpp
index fb51a3a..0d842bc 100644
--- a/daemon/face/udp-protocol.cpp
+++ b/daemon/face/udp-protocol.cpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
- * Copyright (c) 2014-2015, Regents of the University of California,
+ * Copyright (c) 2014-2017, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -29,7 +29,7 @@
namespace udp {
ssize_t
-computeMtu(const boost::asio::ip::udp::endpoint& localEndpoint)
+computeMtu(const Endpoint& localEndpoint)
{
size_t mtu = 0;
if (localEndpoint.address().is_v4()) { // IPv4
diff --git a/daemon/face/udp-protocol.hpp b/daemon/face/udp-protocol.hpp
index 5f7c25a..f716658 100644
--- a/daemon/face/udp-protocol.hpp
+++ b/daemon/face/udp-protocol.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
- * Copyright (c) 2014-2016, Regents of the University of California,
+ * Copyright (c) 2014-2017, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -31,10 +31,21 @@
namespace nfd {
namespace udp {
+typedef boost::asio::ip::udp::endpoint Endpoint;
+
/** \brief computes maximum payload size in a UDP packet
*/
ssize_t
-computeMtu(const boost::asio::ip::udp::endpoint& localEndpoint);
+computeMtu(const Endpoint& localEndpoint);
+
+/** \return default multicast group: 224.0.23.170:56363
+ */
+inline Endpoint
+getDefaultMulticastGroup()
+{
+ // 224.0.23.170:56363
+ return {boost::asio::ip::address_v4(0xE00017AA), 56363};
+}
} // namespace udp
} // namespace nfd