52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
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* Copyright (C) 2021+ WarheadCore <https://github.com/WarheadCore>
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*/
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#ifndef Resolver_h__
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#define Resolver_h__
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#include "IoContext.h"
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#include "Optional.h"
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#include <boost/asio/ip/tcp.hpp>
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#include <string>
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namespace acore::Asio
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{
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/**
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Hack to make it possible to forward declare resolver (one of its template arguments is a typedef to something super long and using nested classes)
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*/
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class Resolver
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{
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public:
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explicit Resolver(IoContext& ioContext) : _impl(ioContext) { }
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Optional<boost::asio::ip::tcp::endpoint> Resolve(boost::asio::ip::tcp const& protocol, std::string const& host, std::string const& service)
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{
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boost::system::error_code ec;
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#if BOOST_VERSION >= 106600
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boost::asio::ip::resolver_base::flags flagsResolver = boost::asio::ip::resolver_base::all_matching;
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boost::asio::ip::tcp::resolver::results_type results = _impl.resolve(protocol, host, service, flagsResolver, ec);
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if (results.begin() == results.end() || ec)
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return {};
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return results.begin()->endpoint();
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#else
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boost::asio::ip::resolver_query_base::flags flagsQuery = boost::asio::ip::tcp::resolver::query::all_matching;
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boost::asio::ip::tcp::resolver::query query(std::move(protocol), std::move(host), std::move(service), flagsQuery);
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boost::asio::ip::tcp::resolver::iterator itr = _impl.resolve(query, ec);
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boost::asio::ip::tcp::resolver::iterator end;
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if (itr == end || ec)
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return {};
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return itr->endpoint();
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#endif
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}
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private:
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boost::asio::ip::tcp::resolver _impl;
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};
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}
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#endif // Resolver_h__
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