mirror of
https://github.com/matrix-construct/construct
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80 lines
2.7 KiB
C++
80 lines
2.7 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_SOCK_OPTS_H
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namespace ircd::net
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{
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struct sock_opts;
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IRCD_OVERLOAD(system);
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bool v6only(const socket &);
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bool blocking(const socket &, system_t);
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bool blocking(const socket &);
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bool nopush(const socket &);
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bool nodelay(const socket &, system_t);
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bool nodelay(const socket &);
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bool quickack(const socket &);
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bool keepalive(const socket &);
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time_t linger(const socket &);
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size_t read_bufsz(const socket &);
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size_t write_bufsz(const socket &);
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size_t read_lowat(const socket &);
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size_t write_lowat(const socket &);
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int attach(const socket &);
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// returns true if supported, false if unsupported; failures will throw.
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bool v6only(socket &, const bool);
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bool blocking(socket &, const bool, system_t);
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bool blocking(socket &, const bool);
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bool nopush(socket &, const bool);
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bool nodelay(socket &, const bool, system_t);
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bool nodelay(socket &, const bool);
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bool quickack(socket &, const bool);
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bool keepalive(socket &, const bool);
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bool linger(socket &, const time_t); // -1 is OFF; >= 0 is ON
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bool read_bufsz(socket &, const size_t bytes);
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bool write_bufsz(socket &, const size_t bytes);
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bool read_lowat(socket &, const size_t bytes);
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bool write_lowat(socket &, const size_t bytes);
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bool attach(const int sd, const int fd);
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bool attach(socket &, const int fd);
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bool detach(const int sd, const int fd);
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bool detach(socket &, const int fd);
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void set(socket &, const sock_opts &);
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}
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/// Socket options convenience aggregate. This structure allows observation
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/// or manipulation of socket options all together. Pass an active socket to
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/// the constructor to observe all options. Use net::set(socket, sock_opts) to
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/// set all non-ignored options.
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struct ircd::net::sock_opts
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{
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/// Magic value to not set this option on a set() pass.
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static constexpr int8_t IGN { std::numeric_limits<int8_t>::min() };
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int8_t v6only { IGN };
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int8_t blocking { IGN }; // Simulates blocking behavior
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int8_t nopush { IGN };
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int8_t nodelay { IGN };
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int8_t quickack { IGN };
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int8_t keepalive { IGN };
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time_t linger { IGN }; // -1 is OFF; >= 0 is ON
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ssize_t read_bufsz { IGN };
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ssize_t write_bufsz { IGN };
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ssize_t read_lowat { IGN };
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ssize_t write_lowat { IGN };
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int ebpf { -1 };
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sock_opts(const socket &); // Get options from socket
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sock_opts() = default;
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};
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