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//
// basic_io_object.hpp
// ~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2008 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_BASIC_IO_OBJECT_HPP
#define BOOST_ASIO_BASIC_IO_OBJECT_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/push_options.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/asio/detail/noncopyable.hpp>
namespace boost {
namespace asio {
/// Base class for all I/O objects.
template <typename IoObjectService>
class basic_io_object
: private noncopyable
{
public:
/// The type of the service that will be used to provide I/O operations.
typedef IoObjectService service_type;
/// The underlying implementation type of I/O object.
typedef typename service_type::implementation_type implementation_type;
/// (Deprecated: use get_io_service().) Get the io_service associated with
/// the object.
/**
* This function may be used to obtain the io_service object that the I/O
* object uses to dispatch handlers for asynchronous operations.
*
* @return A reference to the io_service object that the I/O object will use
* to dispatch handlers. Ownership is not transferred to the caller.
*/
boost::asio::io_service& io_service()
{
return service.get_io_service();
}
/// Get the io_service associated with the object.
/**
* This function may be used to obtain the io_service object that the I/O
* object uses to dispatch handlers for asynchronous operations.
*
* @return A reference to the io_service object that the I/O object will use
* to dispatch handlers. Ownership is not transferred to the caller.
*/
boost::asio::io_service& get_io_service()
{
return service.get_io_service();
}
protected:
/// Construct a basic_io_object.
/**
* Performs:
* @code service.construct(implementation); @endcode
*/
explicit basic_io_object(boost::asio::io_service& io_service)
: service(boost::asio::use_service<IoObjectService>(io_service))
{
service.construct(implementation);
}
/// Protected destructor to prevent deletion through this type.
/**
* Performs:
* @code service.destroy(implementation); @endcode
*/
~basic_io_object()
{
service.destroy(implementation);
}
/// The service associated with the I/O object.
service_type& service;
/// The underlying implementation of the I/O object.
implementation_type implementation;
};
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // BOOST_ASIO_BASIC_IO_OBJECT_HPP
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