blob: 3e4f1282ed837ccbcd36d8398359e4383071ee7f [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013-2018 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library 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 Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
#include "network-configuration-detector.hpp"
#include <boost/asio/ip/address.hpp>
#include <boost/asio/ip/udp.hpp>
#include <boost/asio/ip/basic_resolver.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/range/iterator_range_core.hpp>
namespace ndn {
namespace tests {
bool NetworkConfigurationDetector::m_isInitialized = false;
bool NetworkConfigurationDetector::m_hasIpv4 = false;
bool NetworkConfigurationDetector::m_hasIpv6 = false;
bool
NetworkConfigurationDetector::hasIpv4()
{
if (!m_isInitialized) {
detect();
}
return m_hasIpv4;
}
bool
NetworkConfigurationDetector::hasIpv6()
{
if (!m_isInitialized) {
detect();
}
return m_hasIpv6;
}
void
NetworkConfigurationDetector::detect()
{
typedef boost::asio::ip::basic_resolver<boost::asio::ip::udp> BoostResolver;
boost::asio::io_service ioService;
BoostResolver resolver(ioService);
// The specified hostname must contain both A and AAAA records
BoostResolver::query query("a.root-servers.net", "");
boost::system::error_code errorCode;
BoostResolver::iterator begin = resolver.resolve(query, errorCode);
if (errorCode) {
m_isInitialized = true;
return;
}
BoostResolver::iterator end;
for (const auto& i : boost::make_iterator_range(begin, end)) {
if (i.endpoint().address().is_v4()) {
m_hasIpv4 = true;
}
else if (i.endpoint().address().is_v6()) {
m_hasIpv6 = true;
}
}
m_isInitialized = true;
}
} // namespace tests
} // namespace ndn