mirror of
https://github.com/matrix-construct/construct
synced 2024-07-17 16:08:37 +02:00
88 lines
2.7 KiB
C++
88 lines
2.7 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_WAIT_H
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namespace ircd::net
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{
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enum class ready :uint8_t;
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struct wait_opts extern const wait_opts_default;
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using wait_callback_ec = std::function<void (const error_code &)>;
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using wait_callback_eptr = std::function<void (std::exception_ptr)>;
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string_view reflect(const ready &);
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// Asynchronous callback when ready with error_code
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void wait(socket &, const wait_opts &, wait_callback_ec);
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// Asynchronous callback when ready with exception_ptr (convenience)
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void wait(socket &, const wait_opts &, wait_callback_eptr);
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// Yields ircd::ctx for the wait condition.
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void wait(socket &, const wait_opts & = wait_opts_default);
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// Yields ircd::ctx for the wait condition. Won't throw the error_code.
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error_code wait(nothrow_t, socket &, const wait_opts & = wait_opts_default);
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// Explicit overload to return a ctx::future
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ctx::future<void> wait(use_future_t, socket &, const wait_opts & = wait_opts_default);
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}
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/// Types of things to wait for the socket to have "ready"
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enum class ircd::net::ready
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:uint8_t
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{
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ANY, ///< Wait for anything.
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READ, ///< Data is available for a read().
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WRITE, ///< Space is free in the SNDBUF for a write().
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ERROR, ///< Socket has an error.
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};
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struct ircd::net::wait_opts
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{
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ready type
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{
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ready::ANY
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};
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milliseconds timeout
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{
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-1
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};
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wait_opts(const ready &, const milliseconds &timeout);
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wait_opts(const ready &);
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wait_opts() = default;
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};
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inline
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ircd::net::wait_opts::wait_opts(const ready &type)
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:type{type}
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{}
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inline
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ircd::net::wait_opts::wait_opts(const ready &type,
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const milliseconds &timeout)
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:type{type}
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,timeout{timeout}
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{}
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