72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2013-2023 Regents of the University of California.
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*
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* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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*
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* ndn-cxx library is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received copies of the GNU General Public License and GNU Lesser
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* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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*/
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#include "tests/unit/net/network-configuration-detector.hpp"
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#include <boost/asio/io_context.hpp>
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#include <boost/asio/ip/address.hpp>
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#include <boost/asio/ip/udp.hpp>
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namespace ndn::tests {
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bool
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NetworkConfigurationDetector::hasIpv4()
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{
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if (!s_isInitialized) {
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detect();
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}
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return s_hasIpv4;
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}
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bool
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NetworkConfigurationDetector::hasIpv6()
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{
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if (!s_isInitialized) {
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detect();
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}
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return s_hasIpv6;
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}
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void
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NetworkConfigurationDetector::detect()
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{
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boost::asio::io_context io;
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boost::asio::ip::udp::resolver resolver(io);
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boost::system::error_code ec;
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// The specified hostname must have both A and AAAA records
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auto results = resolver.resolve("a.root-servers.net", "", ec);
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if (!ec) {
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for (const auto& i : results) {
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if (i.endpoint().address().is_v4()) {
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s_hasIpv4 = true;
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}
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else if (i.endpoint().address().is_v6()) {
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s_hasIpv6 = true;
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}
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}
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}
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s_isInitialized = true;
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}
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} // namespace ndn::tests
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