// | |
// detail/io_control.hpp | |
// ~~~~~~~~~~~~~~~~~~~~~ | |
// | |
// Copyright (c) 2003-2011 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/config.hpp> | |
#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 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 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 |