mirror of
https://github.com/matrix-construct/construct
synced 2024-07-30 06:14:40 +02:00
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 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. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_NET_DNS_H
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namespace ircd::net
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{
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struct dns extern dns;
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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::dns()` etc.
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///
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struct ircd::net::dns
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{
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struct resolver;
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struct resolver static *resolver;
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public:
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enum flag :uint;
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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, vector_view<const ipport>)>;
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using callback_reverse = std::function<void (std::exception_ptr, const string_view &)>;
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// Callback-based interface
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void operator()(const ipport &, callback_reverse);
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void operator()(const hostport &, callback_many);
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void operator()(const hostport &, callback_one);
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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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enum ircd::net::dns::flag
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:uint
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{
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};
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