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Diffstat (limited to 'lib/asio/basic_io_object.hpp')
-rw-r--r-- | lib/asio/basic_io_object.hpp | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/lib/asio/basic_io_object.hpp b/lib/asio/basic_io_object.hpp deleted file mode 100644 index 442e854..0000000 --- a/lib/asio/basic_io_object.hpp +++ /dev/null @@ -1,290 +0,0 @@ -// -// basic_io_object.hpp -// ~~~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2018 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 ASIO_BASIC_IO_OBJECT_HPP -#define ASIO_BASIC_IO_OBJECT_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include "asio/detail/config.hpp" -#include "asio/io_context.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { - -#if defined(ASIO_HAS_MOVE) -namespace detail -{ - // Type trait used to determine whether a service supports move. - template <typename IoObjectService> - class service_has_move - { - private: - typedef IoObjectService service_type; - typedef typename service_type::implementation_type implementation_type; - - template <typename T, typename U> - static auto asio_service_has_move_eval(T* t, U* u) - -> decltype(t->move_construct(*u, *u), char()); - static char (&asio_service_has_move_eval(...))[2]; - - public: - static const bool value = - sizeof(asio_service_has_move_eval( - static_cast<service_type*>(0), - static_cast<implementation_type*>(0))) == 1; - }; -} -#endif // defined(ASIO_HAS_MOVE) - -/// Base class for all I/O objects. -/** - * @note All I/O objects are non-copyable. However, when using C++0x, certain - * I/O objects do support move construction and move assignment. - */ -#if !defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) -template <typename IoObjectService> -#else -template <typename IoObjectService, - bool Movable = detail::service_has_move<IoObjectService>::value> -#endif -class basic_io_object -{ -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; - -#if !defined(ASIO_NO_DEPRECATED) - /// (Deprecated: Use get_executor().) Get the io_context associated with the - /// object. - /** - * This function may be used to obtain the io_context object that the I/O - * object uses to dispatch handlers for asynchronous operations. - * - * @return A reference to the io_context object that the I/O object will use - * to dispatch handlers. Ownership is not transferred to the caller. - */ - asio::io_context& get_io_context() - { - return service_.get_io_context(); - } - - /// (Deprecated: Use get_executor().) Get the io_context associated with the - /// object. - /** - * This function may be used to obtain the io_context object that the I/O - * object uses to dispatch handlers for asynchronous operations. - * - * @return A reference to the io_context object that the I/O object will use - * to dispatch handlers. Ownership is not transferred to the caller. - */ - asio::io_context& get_io_service() - { - return service_.get_io_context(); - } -#endif // !defined(ASIO_NO_DEPRECATED) - - /// The type of the executor associated with the object. - typedef asio::io_context::executor_type executor_type; - - /// Get the executor associated with the object. - executor_type get_executor() ASIO_NOEXCEPT - { - return service_.get_io_context().get_executor(); - } - -protected: - /// Construct a basic_io_object. - /** - * Performs: - * @code get_service().construct(get_implementation()); @endcode - */ - explicit basic_io_object(asio::io_context& io_context) - : service_(asio::use_service<IoObjectService>(io_context)) - { - service_.construct(implementation_); - } - -#if defined(GENERATING_DOCUMENTATION) - /// Move-construct a basic_io_object. - /** - * Performs: - * @code get_service().move_construct( - * get_implementation(), other.get_implementation()); @endcode - * - * @note Available only for services that support movability, - */ - basic_io_object(basic_io_object&& other); - - /// Move-assign a basic_io_object. - /** - * Performs: - * @code get_service().move_assign(get_implementation(), - * other.get_service(), other.get_implementation()); @endcode - * - * @note Available only for services that support movability, - */ - basic_io_object& operator=(basic_io_object&& other); - - /// Perform a converting move-construction of a basic_io_object. - template <typename IoObjectService1> - basic_io_object(IoObjectService1& other_service, - typename IoObjectService1::implementation_type& other_implementation); -#endif // defined(GENERATING_DOCUMENTATION) - - /// Protected destructor to prevent deletion through this type. - /** - * Performs: - * @code get_service().destroy(get_implementation()); @endcode - */ - ~basic_io_object() - { - service_.destroy(implementation_); - } - - /// Get the service associated with the I/O object. - service_type& get_service() - { - return service_; - } - - /// Get the service associated with the I/O object. - const service_type& get_service() const - { - return service_; - } - - /// Get the underlying implementation of the I/O object. - implementation_type& get_implementation() - { - return implementation_; - } - - /// Get the underlying implementation of the I/O object. - const implementation_type& get_implementation() const - { - return implementation_; - } - -private: - basic_io_object(const basic_io_object&); - basic_io_object& operator=(const basic_io_object&); - - // The service associated with the I/O object. - service_type& service_; - - /// The underlying implementation of the I/O object. - implementation_type implementation_; -}; - -#if defined(ASIO_HAS_MOVE) -// Specialisation for movable objects. -template <typename IoObjectService> -class basic_io_object<IoObjectService, true> -{ -public: - typedef IoObjectService service_type; - typedef typename service_type::implementation_type implementation_type; - -#if !defined(ASIO_NO_DEPRECATED) - asio::io_context& get_io_context() - { - return service_->get_io_context(); - } - - asio::io_context& get_io_service() - { - return service_->get_io_context(); - } -#endif // !defined(ASIO_NO_DEPRECATED) - - typedef asio::io_context::executor_type executor_type; - - executor_type get_executor() ASIO_NOEXCEPT - { - return service_->get_io_context().get_executor(); - } - -protected: - explicit basic_io_object(asio::io_context& io_context) - : service_(&asio::use_service<IoObjectService>(io_context)) - { - service_->construct(implementation_); - } - - basic_io_object(basic_io_object&& other) - : service_(&other.get_service()) - { - service_->move_construct(implementation_, other.implementation_); - } - - template <typename IoObjectService1> - basic_io_object(IoObjectService1& other_service, - typename IoObjectService1::implementation_type& other_implementation) - : service_(&asio::use_service<IoObjectService>( - other_service.get_io_context())) - { - service_->converting_move_construct(implementation_, - other_service, other_implementation); - } - - ~basic_io_object() - { - service_->destroy(implementation_); - } - - basic_io_object& operator=(basic_io_object&& other) - { - service_->move_assign(implementation_, - *other.service_, other.implementation_); - service_ = other.service_; - return *this; - } - - service_type& get_service() - { - return *service_; - } - - const service_type& get_service() const - { - return *service_; - } - - implementation_type& get_implementation() - { - return implementation_; - } - - const implementation_type& get_implementation() const - { - return implementation_; - } - -private: - basic_io_object(const basic_io_object&); - void operator=(const basic_io_object&); - - IoObjectService* service_; - implementation_type implementation_; -}; -#endif // defined(ASIO_HAS_MOVE) - -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // ASIO_BASIC_IO_OBJECT_HPP |