137 lines
2.8 KiB
C++
137 lines
2.8 KiB
C++
//
|
|
// detail/io_control.hpp
|
|
// ~~~~~~~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
|
|
#ifndef BOOST_ASIO_DETAIL_IO_CONTROL_HPP
|
|
#define BOOST_ASIO_DETAIL_IO_CONTROL_HPP
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
# pragma once
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
|
|
#include <boost/asio/detail/config.hpp>
|
|
#include <cstddef>
|
|
#include <boost/asio/detail/socket_types.hpp>
|
|
|
|
#include <boost/asio/detail/push_options.hpp>
|
|
|
|
namespace boost {
|
|
namespace asio {
|
|
namespace detail {
|
|
namespace io_control {
|
|
|
|
// IO control command for non-blocking I/O.
|
|
class non_blocking_io
|
|
{
|
|
public:
|
|
// Default constructor.
|
|
non_blocking_io()
|
|
: value_(0)
|
|
{
|
|
}
|
|
|
|
// Construct with a specific command value.
|
|
non_blocking_io(bool value)
|
|
: value_(value ? 1 : 0)
|
|
{
|
|
}
|
|
|
|
// Get the name of the IO control command.
|
|
int name() const
|
|
{
|
|
return static_cast<int>(BOOST_ASIO_OS_DEF(FIONBIO));
|
|
}
|
|
|
|
// Set the value of the I/O control command.
|
|
void set(bool value)
|
|
{
|
|
value_ = value ? 1 : 0;
|
|
}
|
|
|
|
// Get the current value of the I/O control command.
|
|
bool get() const
|
|
{
|
|
return value_ != 0;
|
|
}
|
|
|
|
// Get the address of the command data.
|
|
detail::ioctl_arg_type* data()
|
|
{
|
|
return &value_;
|
|
}
|
|
|
|
// Get the address of the command data.
|
|
const detail::ioctl_arg_type* data() const
|
|
{
|
|
return &value_;
|
|
}
|
|
|
|
private:
|
|
detail::ioctl_arg_type value_;
|
|
};
|
|
|
|
// I/O control command for getting number of bytes available.
|
|
class bytes_readable
|
|
{
|
|
public:
|
|
// Default constructor.
|
|
bytes_readable()
|
|
: value_(0)
|
|
{
|
|
}
|
|
|
|
// Construct with a specific command value.
|
|
bytes_readable(std::size_t value)
|
|
: value_(static_cast<detail::ioctl_arg_type>(value))
|
|
{
|
|
}
|
|
|
|
// Get the name of the IO control command.
|
|
int name() const
|
|
{
|
|
return static_cast<int>(BOOST_ASIO_OS_DEF(FIONREAD));
|
|
}
|
|
|
|
// Set the value of the I/O control command.
|
|
void set(std::size_t value)
|
|
{
|
|
value_ = static_cast<detail::ioctl_arg_type>(value);
|
|
}
|
|
|
|
// Get the current value of the I/O control command.
|
|
std::size_t get() const
|
|
{
|
|
return static_cast<std::size_t>(value_);
|
|
}
|
|
|
|
// Get the address of the command data.
|
|
detail::ioctl_arg_type* data()
|
|
{
|
|
return &value_;
|
|
}
|
|
|
|
// Get the address of the command data.
|
|
const detail::ioctl_arg_type* data() const
|
|
{
|
|
return &value_;
|
|
}
|
|
|
|
private:
|
|
detail::ioctl_arg_type value_;
|
|
};
|
|
|
|
} // namespace io_control
|
|
} // namespace detail
|
|
} // namespace asio
|
|
} // namespace boost
|
|
|
|
#include <boost/asio/detail/pop_options.hpp>
|
|
|
|
#endif // BOOST_ASIO_DETAIL_IO_CONTROL_HPP
|