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construct/include/ircd/net/read.h
2018-02-05 21:24:34 -08:00

105 lines
2.6 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_READ_H
namespace ircd::net
{
// Non-blocking; read into buffers in a single syscall
size_t read_one(socket &, const vector_view<const mutable_buffer> &);
size_t read_one(socket &, const mutable_buffer &);
// Non-blocking; read as much as possible into buffers
size_t read_any(socket &, const vector_view<const mutable_buffer> &);
size_t read_any(socket &, const mutable_buffer &);
// Yields until something is read into buffers.
size_t read_few(socket &, const vector_view<const mutable_buffer> &);
size_t read_few(socket &, const mutable_buffer &);
// Yields until buffers are entirely full.
size_t read_all(socket &, const vector_view<const mutable_buffer> &);
size_t read_all(socket &, const mutable_buffer &);
// Alias to read_few();
size_t read(socket &, const vector_view<const mutable_buffer> &);
size_t read(socket &, const mutable_buffer &);
// Non-blocking; discard up to len, but less may be discarded.
size_t discard_any(socket &, const size_t &len);
// Yields until len has been discarded
size_t discard_all(socket &, const size_t &len);
}
/// Alias to read_few();
inline size_t
ircd::net::read(socket &socket,
const mutable_buffer &buffer)
{
return read_few(socket, buffer);
}
/// Alias to read_few();
inline size_t
ircd::net::read(socket &socket,
const vector_view<const mutable_buffer> &buffers)
{
return read_few(socket, buffers);
}
inline size_t
ircd::net::read_all(socket &socket,
const mutable_buffer &buffer)
{
const mutable_buffer buffers[]
{
buffer
};
return read_all(socket, buffers);
}
inline size_t
ircd::net::read_few(socket &socket,
const mutable_buffer &buffer)
{
const mutable_buffer buffers[]
{
buffer
};
return read_few(socket, buffers);
}
inline size_t
ircd::net::read_any(socket &socket,
const mutable_buffer &buffer)
{
const mutable_buffer buffers[]
{
buffer
};
return read_any(socket, buffers);
}
inline size_t
ircd::net::read_one(socket &socket,
const mutable_buffer &buffer)
{
const mutable_buffer buffers[]
{
buffer
};
return read_one(socket, buffers);
}