mirror of
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70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of clio: https://github.com/XRPLF/clio
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Copyright (c) 2023, the clio developers.
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include "web/Resolver.hpp"
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#include <boost/asio/ip/address.hpp>
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#include <string>
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#include <string_view>
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#include <vector>
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namespace asio = boost::asio;
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namespace web {
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namespace {
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// Check if the hostname is an IP address or a subnet.
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bool
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isAddress(std::string_view hostname)
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{
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boost::system::error_code ec;
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asio::ip::make_address(hostname.data(), ec);
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if (ec == boost::system::errc::success) {
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return true;
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}
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asio::ip::make_network_v4(hostname.data(), ec);
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if (ec == boost::system::errc::success) {
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return true;
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}
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asio::ip::make_network_v6(hostname.data(), ec);
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return ec == boost::system::errc::success;
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}
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} // namespace
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std::vector<std::string>
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Resolver::resolve(std::string_view hostname, std::string_view service)
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{
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if (isAddress(hostname)) {
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return {std::string(hostname)};
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}
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std::vector<std::string> endpoints;
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for (auto const& endpoint : resolver_.resolve(hostname, service)) {
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endpoints.push_back(endpoint.endpoint().address().to_string());
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}
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return endpoints;
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}
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} // namespace web
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