mirror of
https://github.com/matrix-construct/construct
synced 2024-06-30 15:58:20 +02:00
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_NET_WAIT_H
|
|
|
|
namespace ircd::net
|
|
{
|
|
enum class ready :uint8_t;
|
|
struct wait_opts extern const wait_opts_default;
|
|
using wait_callback_ec = std::function<void (const error_code &)>;
|
|
using wait_callback_eptr = std::function<void (std::exception_ptr)>;
|
|
|
|
string_view reflect(const ready &);
|
|
|
|
// Asynchronous callback when ready with error_code
|
|
void wait(socket &, const wait_opts &, wait_callback_ec);
|
|
|
|
// Asynchronous callback when ready with exception_ptr (convenience)
|
|
void wait(socket &, const wait_opts &, wait_callback_eptr);
|
|
|
|
// Yields ircd::ctx for the wait condition.
|
|
void wait(socket &, const wait_opts & = wait_opts_default);
|
|
|
|
// Yields ircd::ctx for the wait condition. Won't throw the error_code.
|
|
error_code wait(nothrow_t, socket &, const wait_opts & = wait_opts_default);
|
|
|
|
// Explicit overload to return a ctx::future
|
|
ctx::future<void> wait(use_future_t, socket &, const wait_opts & = wait_opts_default);
|
|
}
|
|
|
|
/// Types of things to wait for the socket to have "ready"
|
|
enum class ircd::net::ready
|
|
:uint8_t
|
|
{
|
|
ANY, ///< Wait for anything.
|
|
READ, ///< Data is available for a read().
|
|
WRITE, ///< Space is free in the SNDBUF for a write().
|
|
ERROR, ///< Socket has an error.
|
|
};
|
|
|
|
struct ircd::net::wait_opts
|
|
{
|
|
ready type
|
|
{
|
|
ready::ANY
|
|
};
|
|
|
|
milliseconds timeout
|
|
{
|
|
-1
|
|
};
|
|
|
|
wait_opts(const ready &, const milliseconds &timeout) noexcept;
|
|
wait_opts(const ready & = ready::ANY) noexcept;
|
|
};
|
|
|
|
inline
|
|
ircd::net::wait_opts::wait_opts(const ready &type)
|
|
noexcept
|
|
:type{type}
|
|
{}
|
|
|
|
inline
|
|
ircd::net::wait_opts::wait_opts(const ready &type,
|
|
const milliseconds &timeout)
|
|
noexcept
|
|
:type{type}
|
|
,timeout{timeout}
|
|
{}
|