2018-10-01 22:27:46 +02:00
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// 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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extern ircd::mapi::header
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IRCD_MODULE;
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namespace ircd::net::dns
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{
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// Maximum number of records we present in result vector to any closure
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constexpr const size_t MAX_COUNT {64};
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2018-10-03 23:18:27 +02:00
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static void handle__A(callback_A_one, std::exception_ptr, const hostport &, const records &);
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static void handle__SRV(callback_SRV_one, std::exception_ptr, const hostport &, const records &);
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static void handle_ipport__A(callback_ipport_one, std::exception_ptr, const hostport &, const rfc1035::record::A &);
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2018-10-01 22:27:46 +02:00
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extern "C" void _resolve__(const hostport &, const opts &, callback);
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2018-10-03 07:38:08 +02:00
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extern "C" void _resolve__A(const hostport &, opts, callback_A_one);
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extern "C" void _resolve__SRV(const hostport &, opts, callback_SRV_one);
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2018-10-03 23:18:27 +02:00
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extern "C" void _resolve_ipport(const hostport &, opts, callback_ipport_one);
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2018-10-01 22:27:46 +02:00
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}
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//
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// s_dns_cache.cc
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//
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namespace ircd::net::dns::cache
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{
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extern conf::item<seconds> min_ttl;
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extern conf::item<seconds> clear_nxdomain;
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extern std::multimap<std::string, rfc1035::record::A, std::less<>> cache_A;
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extern std::multimap<std::string, rfc1035::record::SRV, std::less<>> cache_SRV;
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2018-10-04 00:43:31 +02:00
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template<class Map>
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static bool _for_each_(Map &, const closure &);
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template<class Map>
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static rfc1035::record *_cache_answer(Map &, const string_view &host, const rfc1035::answer &);
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template<class T, class Map>
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static rfc1035::record *_cache_error(Map &, const string_view &host);
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2018-10-01 22:27:46 +02:00
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extern "C" rfc1035::record *_put(const rfc1035::question &, const rfc1035::answer &);
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extern "C" rfc1035::record *_put_error(const rfc1035::question &, const uint &code);
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extern "C" bool _get(const hostport &, const opts &, const callback &);
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extern "C" bool _for_each(const uint16_t &type, const closure &);
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}
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//
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// s_dns_resolver.cc
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//
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namespace ircd::net::dns
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{
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// Resolver instance
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struct resolver extern *resolver;
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// Interface to resolver because it is not included here to avoid requiring
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// boost headers (ircd/asio.h) for units other than s_dns_resolver.cc
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void resolver_call(const hostport &, const opts &, callback &&);
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void resolver_init();
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void resolver_fini();
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}
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