mirror of
https://github.com/matrix-construct/construct
synced 2024-10-30 02:18:58 +01:00
91 lines
3 KiB
C++
91 lines
3 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_ACCEPTOR_H
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// This file is not included with the IRCd standard include stack because
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// it requires symbols we can't forward declare without boost headers. It
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// is part of the <ircd/asio.h> stack which can be included in your
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// definition file if you need low level access to this acceptor API.
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/// Implementation to net::listener. See listener.h for additional interface.
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struct ircd::net::acceptor
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:std::enable_shared_from_this<struct ircd::net::acceptor>
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{
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using error_code = boost::system::error_code;
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using callback = listener::callback;
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using proffer = listener::proffer;
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using sockets = std::list<std::shared_ptr<socket>>;
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IRCD_EXCEPTION(listener::error, error)
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IRCD_EXCEPTION(error, sni_warning)
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static log::log log;
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static conf::item<size_t> handshaking_max;
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static conf::item<size_t> handshaking_max_per_peer;
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static conf::item<milliseconds> timeout;
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static conf::item<std::string> ssl_curve_list;
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static conf::item<std::string> ssl_cipher_list;
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static conf::item<std::string> ssl_cipher_blacklist;
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net::listener *listener_;
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std::string name;
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std::string opts;
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std::string cname;
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size_t backlog;
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listener::callback cb;
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listener::proffer pcb;
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asio::ssl::context ssl;
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ip::tcp::endpoint ep;
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ip::tcp::acceptor a;
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size_t accepting {0};
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sockets handshaking;
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bool interrupting {false};
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ctx::dock joining;
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// Internal configuration
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void configure_dh(const json::object &);
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void configure_certs(const json::object &);
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void configure_curves(const json::object &);
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void configure_ciphers(const json::object &);
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void configure_flags(const json::object &);
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void configure_password(const json::object &);
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void configure(const json::object &opts);
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// Handshake stack
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bool handle_sni(socket &, int &ad);
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string_view handle_alpn(socket &, const vector_view<const string_view> &in);
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void check_handshake_error(const error_code &ec, socket &) const;
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void handshake(const error_code &, const std::shared_ptr<socket>, const decltype(handshaking)::const_iterator) noexcept;
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// Acceptance stack
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static bool proffer_default(listener &, const ipport &);
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bool check_handshake_limit(socket &, const ipport &) const;
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bool check_accept_error(const error_code &ec, socket &) const;
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void accept(const error_code &, const std::shared_ptr<socket>) noexcept;
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// Accept next
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bool set_handle();
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// Acceptor shutdown
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bool interrupt() noexcept;
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void join() noexcept;
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void close();
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void open();
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acceptor(net::listener &,
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const string_view &name,
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const json::object &opts,
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listener::callback,
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listener::proffer);
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~acceptor() noexcept;
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};
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