| /* -*- 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 <ndn-cxx/face.hpp> |
| #include <ndn-cxx/name.hpp> |
| |
| #include <ndn-cxx/management/nfd-controller.hpp> |
| |
| #include <boost/program_options/options_description.hpp> |
| #include <boost/program_options/variables_map.hpp> |
| #include <boost/program_options/parsers.hpp> |
| |
| #include "version.hpp" |
| #include "core/face-uri.hpp" |
| #include "core/face-monitor.hpp" |
| #include "network.hpp" |
| |
| namespace po = boost::program_options; |
| |
| namespace nfd { |
| |
| using namespace ndn::nfd; |
| using ndn::Face; |
| |
| class AutoregServer : boost::noncopyable |
| { |
| public: |
| AutoregServer() |
| : m_controller(m_face) |
| , m_faceMonitor(m_face) |
| , m_cost(255) |
| { |
| } |
| |
| void |
| onRegisterCommandSuccess(const FaceEventNotification& notification, const Name& prefix) |
| { |
| std::cerr << "SUCCEED: register " << prefix << " on face " |
| << notification.getFaceId() << std::endl; |
| } |
| |
| void |
| onRegisterCommandFailure(const FaceEventNotification& notification, const Name& prefix, |
| uint32_t code, const std::string& reason) |
| { |
| std::cerr << "FAILED: register " << prefix << " on face " << notification.getFaceId() |
| << " (code: " << code << ", reason: " << reason << ")" << std::endl; |
| } |
| |
| /** |
| * \return true if auto-register should not be performed for uri |
| */ |
| bool |
| isFiltered(const FaceUri& uri) |
| { |
| const std::string& scheme = uri.getScheme(); |
| if (!(scheme == "udp4" || scheme == "tcp4" || |
| scheme == "udp6" || scheme == "tcp6")) |
| return true; |
| |
| boost::asio::ip::address address = boost::asio::ip::address::from_string(uri.getHost()); |
| |
| for (std::vector<Network>::const_iterator network = m_blackList.begin(); |
| network != m_blackList.end(); |
| ++network) |
| { |
| if (network->doesContain(address)) |
| return true; |
| } |
| |
| for (std::vector<Network>::const_iterator network = m_whiteList.begin(); |
| network != m_whiteList.end(); |
| ++network) |
| { |
| if (network->doesContain(address)) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void |
| processCreateFace(const FaceEventNotification& notification) |
| { |
| FaceUri uri(notification.getRemoteUri()); |
| |
| if (isFiltered(uri)) |
| { |
| std::cerr << "FILTERED: " << notification << std::endl; |
| return; |
| } |
| |
| std::cerr << "PROCESSING: " << notification << std::endl; |
| for (std::vector<ndn::Name>::const_iterator prefix = m_autoregPrefixes.begin(); |
| prefix != m_autoregPrefixes.end(); |
| ++prefix) |
| { |
| m_controller.start<RibRegisterCommand>( |
| ControlParameters() |
| .setName(*prefix) |
| .setFaceId(notification.getFaceId()) |
| .setOrigin(ROUTE_ORIGIN_AUTOREG) |
| .setCost(m_cost) |
| .setExpirationPeriod(time::milliseconds::max()), |
| bind(&AutoregServer::onRegisterCommandSuccess, this, notification, *prefix), |
| bind(&AutoregServer::onRegisterCommandFailure, this, notification, *prefix, _1, _2)); |
| } |
| } |
| |
| void |
| onNotification(const FaceEventNotification& notification) |
| { |
| if (notification.getKind() == FACE_EVENT_CREATED && |
| !notification.isLocal() && |
| notification.isOnDemand()) |
| { |
| processCreateFace(notification); |
| } |
| else |
| { |
| std::cerr << "IGNORED: " << notification << std::endl; |
| } |
| } |
| |
| void |
| signalHandler() |
| { |
| m_face.shutdown(); |
| } |
| |
| |
| |
| void |
| usage(std::ostream& os, |
| const po::options_description& optionDesciption, |
| const char* programName) |
| { |
| os << "Usage:\n" |
| << " " << programName << " --prefix=</autoreg/prefix> [--prefix=/another/prefix] ...\n" |
| << "\n"; |
| os << optionDesciption; |
| } |
| |
| void |
| startProcessing() |
| { |
| std::cerr << "AUTOREG prefixes: " << std::endl; |
| for (std::vector<ndn::Name>::const_iterator prefix = m_autoregPrefixes.begin(); |
| prefix != m_autoregPrefixes.end(); |
| ++prefix) |
| { |
| std::cout << " " << *prefix << std::endl; |
| } |
| |
| if (!m_blackList.empty()) |
| { |
| std::cerr << "Blacklisted networks: " << std::endl; |
| for (std::vector<Network>::const_iterator network = m_blackList.begin(); |
| network != m_blackList.end(); |
| ++network) |
| { |
| std::cout << " " << *network << std::endl; |
| } |
| } |
| |
| std::cerr << "Whitelisted networks: " << std::endl; |
| for (std::vector<Network>::const_iterator network = m_whiteList.begin(); |
| network != m_whiteList.end(); |
| ++network) |
| { |
| std::cout << " " << *network << std::endl; |
| } |
| |
| m_faceMonitor.onNotification += bind(&AutoregServer::onNotification, this, _1); |
| m_faceMonitor.start(); |
| |
| boost::asio::signal_set signalSet(m_face.getIoService(), SIGINT, SIGTERM); |
| signalSet.async_wait(bind(&AutoregServer::signalHandler, this)); |
| |
| m_face.processEvents(); |
| } |
| |
| int |
| main(int argc, char* argv[]) |
| { |
| po::options_description optionDesciption; |
| optionDesciption.add_options() |
| ("help,h", "produce help message") |
| ("prefix,i", po::value<std::vector<ndn::Name> >(&m_autoregPrefixes)->composing(), |
| "prefix that should be automatically registered when new remote face is established") |
| ("cost,c", po::value<uint64_t>(&m_cost)->default_value(255), |
| "FIB cost which should be assigned to autoreg nexthops") |
| ("whitelist,w", po::value<std::vector<Network> >(&m_whiteList)->composing(), |
| "Whitelisted network, e.g., 192.168.2.0/24 or ::1/128") |
| ("blacklist,b", po::value<std::vector<Network> >(&m_blackList)->composing(), |
| "Blacklisted network, e.g., 192.168.2.32/30 or ::1/128") |
| ("version,V", "show version and exit") |
| ; |
| |
| po::variables_map options; |
| try |
| { |
| po::store(po::command_line_parser(argc, argv).options(optionDesciption).run(), options); |
| po::notify(options); |
| } |
| catch (std::exception& e) |
| { |
| std::cerr << "ERROR: " << e.what() << std::endl << std::endl; |
| usage(std::cerr, optionDesciption, argv[0]); |
| return 1; |
| } |
| |
| if (options.count("help")) |
| { |
| usage(std::cout, optionDesciption, argv[0]); |
| return 0; |
| } |
| |
| if (options.count("version")) |
| { |
| std::cout << NFD_VERSION_BUILD_STRING << std::endl; |
| return 0; |
| } |
| |
| if (m_autoregPrefixes.empty()) |
| { |
| std::cerr << "ERROR: at least one --prefix must be specified" << std::endl << std::endl; |
| usage(std::cerr, optionDesciption, argv[0]); |
| return 2; |
| } |
| |
| if (m_whiteList.empty()) |
| { |
| // Allow everything |
| m_whiteList.push_back(Network::getMaxRangeV4()); |
| m_whiteList.push_back(Network::getMaxRangeV6()); |
| } |
| |
| try |
| { |
| startProcessing(); |
| } |
| catch (std::exception& e) |
| { |
| std::cerr << "ERROR: " << e.what() << std::endl; |
| return 2; |
| } |
| |
| return 0; |
| } |
| |
| private: |
| Face m_face; |
| Controller m_controller; |
| FaceMonitor m_faceMonitor; |
| std::vector<ndn::Name> m_autoregPrefixes; |
| uint64_t m_cost; |
| std::vector<Network> m_whiteList; |
| std::vector<Network> m_blackList; |
| }; |
| |
| } // namespace nfd |
| |
| int |
| main(int argc, char* argv[]) |
| { |
| nfd::AutoregServer server; |
| return server.main(argc, argv); |
| } |