58de70e3c1
git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@18 52acb1d6-8a22-11de-b505-999d5b087335
142 lines
2.6 KiB
C++
142 lines
2.6 KiB
C++
//
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// io_control.hpp
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// ~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2005 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_ASIO_DETAIL_IO_CONTROL_HPP
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#define BOOST_ASIO_DETAIL_IO_CONTROL_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/push_options.hpp>
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#include <boost/asio/detail/push_options.hpp>
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#include <cstddef>
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#include <boost/config.hpp>
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#include <boost/asio/detail/pop_options.hpp>
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#include <boost/asio/detail/socket_types.hpp>
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namespace boost {
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namespace asio {
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namespace detail {
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namespace io_control {
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// Helper template for implementing boolean-based IO control commands.
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template <int Name>
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class boolean
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{
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public:
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// Default constructor.
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boolean()
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: value_(0)
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{
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}
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// Construct with a specific command value.
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boolean(bool value)
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: value_(value ? 1 : 0)
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{
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}
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// Get the name of the IO control command.
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int name() const
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{
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return Name;
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}
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// Set the value of the boolean.
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void set(bool value)
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{
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value_ = value ? 1 : 0;
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}
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// Get the current value of the boolean.
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bool get() const
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{
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return value_ != 0;
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}
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// Get the address of the command data.
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detail::ioctl_arg_type* data()
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{
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return &value_;
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}
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// Get the address of the command data.
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const detail::ioctl_arg_type* data() const
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{
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return &value_;
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}
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private:
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detail::ioctl_arg_type value_;
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};
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// Helper template for implementing size-based IO control commands.
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template <int Name>
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class size
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{
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public:
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// Default constructor.
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size()
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: value_(0)
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{
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}
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// Construct with a specific command value.
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size(std::size_t value)
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: value_(value)
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{
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}
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// Get the name of the IO control command.
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int name() const
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{
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return Name;
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}
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// Set the value of the size.
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void set(std::size_t value)
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{
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value_ = static_cast<detail::ioctl_arg_type>(value);
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}
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// Get the current value of the size.
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std::size_t get() const
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{
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return static_cast<std::size_t>(value_);
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}
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// Get the address of the command data.
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detail::ioctl_arg_type* data()
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{
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return &value_;
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}
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// Get the address of the command data.
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const detail::ioctl_arg_type* data() const
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{
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return &value_;
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}
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private:
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detail::ioctl_arg_type value_;
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};
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} // namespace io_control
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} // namespace detail
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#endif // BOOST_ASIO_DETAIL_IO_CONTROL_HPP
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