47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/*
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* Copyright (C) 2019 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "core/NetAddress.hpp"
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#ifndef BOOST_ASIO_HAS_STD_HASH
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namespace std
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{
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std::size_t hash<boost::asio::ip::address>::operator()(const boost::asio::ip::address& ipAddr) const
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{
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if (ipAddr.is_v4())
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return ipAddr.to_v4().to_ulong();
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if (ipAddr.is_v6())
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{
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const auto& range {ipAddr.to_v6().to_bytes()};
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std::size_t res {};
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for (auto b : range)
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res ^= std::hash<char>{}(static_cast<char>(b));
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return res;
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}
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return std::hash<std::string>{}(ipAddr.to_string());
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}
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}
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#endif // BOOST_ASIO_HAS_STD_HASH
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