76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
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//
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// basic_io_object.hpp
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// ~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2007 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 ASIO_BASIC_IO_OBJECT_HPP
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#define ASIO_BASIC_IO_OBJECT_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 "asio/detail/push_options.hpp"
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#include "asio/io_service.hpp"
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#include "asio/detail/noncopyable.hpp"
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namespace asio {
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/// Base class for all I/O objects.
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template <typename IoObjectService>
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class basic_io_object
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: private noncopyable
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{
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public:
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/// The type of the service that will be used to provide I/O operations.
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typedef IoObjectService service_type;
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/// The underlying implementation type of I/O object.
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typedef typename service_type::implementation_type implementation_type;
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/// Get the io_service associated with the object.
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/**
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* This function may be used to obtain the io_service object that the I/O
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* object uses to dispatch handlers for asynchronous operations.
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*
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* @return A reference to the io_service object that the I/O object will use
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* to dispatch handlers. Ownership is not transferred to the caller.
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*/
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asio::io_service& io_service()
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{
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return service.io_service();
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}
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protected:
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/// Construct a basic_io_object.
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explicit basic_io_object(asio::io_service& io_service)
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: service(asio::use_service<IoObjectService>(io_service))
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{
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service.construct(implementation);
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}
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/// Protected destructor to prevent deletion through this type.
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~basic_io_object()
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{
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service.destroy(implementation);
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}
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// The backend service implementation.
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service_type& service;
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// The underlying native implementation.
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implementation_type implementation;
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};
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_BASIC_IO_OBJECT_HPP
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