mirror of
https://github.com/matrix-construct/construct
synced 2024-07-05 10:08:36 +02:00
54 lines
2 KiB
C++
54 lines
2 KiB
C++
/*
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* Copyright (C) 2017 Charybdis Development Team
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* Copyright (C) 2017 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or 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 is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#define HAVE_IRCD_NET_RESOLVE_H
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namespace ircd::net
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{
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struct resolve extern resolve;
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}
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/// DNS resolution suite.
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///
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/// This is a singleton class; public usage is to make calls on the singleton
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/// object like `ircd::net::resolve()` etc.
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///
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struct ircd::net::resolve
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{
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// Internal resolver service instance
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struct resolver static resolver;
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public:
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using callback_one = std::function<void (std::exception_ptr, const ipport &)>;
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using callback_many = std::function<void (std::exception_ptr, std::vector<ipport>)>;
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using callback_reverse = std::function<void (std::exception_ptr, std::string)>;
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// Callback-based interface
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void operator()(const hostport &, callback_one);
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void operator()(const hostport &, callback_many);
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void operator()(const ipport &, callback_reverse);
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// Future-based interface
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ctx::future<ipport> operator()(const hostport &);
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ctx::future<std::string> operator()(const ipport &);
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};
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