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-//
-// waitable_timer_service.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_WAITABLE_TIMER_SERVICE_HPP
-#define ASIO_WAITABLE_TIMER_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/chrono_time_traits.hpp"
-#include "asio/detail/deadline_timer_service.hpp"
-#include "asio/io_context.hpp"
-#include "asio/wait_traits.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a timer.
-template <typename Clock,
- typename WaitTraits = asio::wait_traits<Clock> >
-class waitable_timer_service
-#if defined(GENERATING_DOCUMENTATION)
- : public asio::io_context::service
-#else
- : public asio::detail::service_base<
- waitable_timer_service<Clock, WaitTraits> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
- /// The unique service identifier.
- static asio::io_context::id id;
-#endif
-
- /// The clock type.
- typedef Clock clock_type;
-
- /// The duration type of the clock.
- typedef typename clock_type::duration duration;
-
- /// The time point type of the clock.
- typedef typename clock_type::time_point time_point;
-
- /// The wait traits type.
- typedef WaitTraits traits_type;
-
-private:
- // The type of the platform-specific implementation.
- typedef detail::deadline_timer_service<
- detail::chrono_time_traits<Clock, WaitTraits> > service_impl_type;
-
-public:
- /// The implementation type of the waitable timer.
-#if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined implementation_type;
-#else
- typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
- /// Construct a new timer service for the specified io_context.
- explicit waitable_timer_service(asio::io_context& io_context)
- : asio::detail::service_base<
- waitable_timer_service<Clock, WaitTraits> >(io_context),
- service_impl_(io_context)
- {
- }
-
- /// Construct a new timer implementation.
- void construct(implementation_type& impl)
- {
- service_impl_.construct(impl);
- }
-
- /// Destroy a timer implementation.
- void destroy(implementation_type& impl)
- {
- service_impl_.destroy(impl);
- }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
- /// Move-construct a new timer implementation.
- void move_construct(implementation_type& impl,
- implementation_type& other_impl)
- {
- service_impl_.move_construct(impl, other_impl);
- }
-
- /// Move-assign from another timer implementation.
- void move_assign(implementation_type& impl,
- waitable_timer_service& other_service,
- implementation_type& other_impl)
- {
- service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
- }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
- /// Cancel any asynchronous wait operations associated with the timer.
- std::size_t cancel(implementation_type& impl, asio::error_code& ec)
- {
- return service_impl_.cancel(impl, ec);
- }
-
- /// Cancels one asynchronous wait operation associated with the timer.
- std::size_t cancel_one(implementation_type& impl,
- asio::error_code& ec)
- {
- return service_impl_.cancel_one(impl, ec);
- }
-
-#if !defined(ASIO_NO_DEPRECATED)
- /// (Deprecated: Use expiry().) Get the expiry time for the timer as an
- /// absolute time.
- time_point expires_at(const implementation_type& impl) const
- {
- return service_impl_.expiry(impl);
- }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
- /// Get the expiry time for the timer as an absolute time.
- time_point expiry(const implementation_type& impl) const
- {
- return service_impl_.expiry(impl);
- }
-
- /// Set the expiry time for the timer as an absolute time.
- std::size_t expires_at(implementation_type& impl,
- const time_point& expiry_time, asio::error_code& ec)
- {
- return service_impl_.expires_at(impl, expiry_time, ec);
- }
-
- /// Set the expiry time for the timer relative to now.
- std::size_t expires_after(implementation_type& impl,
- const duration& expiry_time, asio::error_code& ec)
- {
- return service_impl_.expires_after(impl, expiry_time, ec);
- }
-
-#if !defined(ASIO_NO_DEPRECATED)
- /// (Deprecated: Use expiry().) Get the expiry time for the timer relative to
- /// now.
- duration expires_from_now(const implementation_type& impl) const
- {
- typedef detail::chrono_time_traits<Clock, WaitTraits> traits;
- return traits::subtract(service_impl_.expiry(impl), traits::now());
- }
-
- /// (Deprecated: Use expires_after().) Set the expiry time for the timer
- /// relative to now.
- std::size_t expires_from_now(implementation_type& impl,
- const duration& expiry_time, asio::error_code& ec)
- {
- return service_impl_.expires_after(impl, expiry_time, ec);
- }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
- // Perform a blocking wait on the timer.
- void wait(implementation_type& impl, asio::error_code& ec)
- {
- service_impl_.wait(impl, ec);
- }
-
- // Start an asynchronous wait on the timer.
- template <typename WaitHandler>
- ASIO_INITFN_RESULT_TYPE(WaitHandler,
- void (asio::error_code))
- async_wait(implementation_type& impl,
- ASIO_MOVE_ARG(WaitHandler) handler)
- {
- async_completion<WaitHandler,
- void (asio::error_code)> init(handler);
-
- service_impl_.async_wait(impl, init.completion_handler);
-
- return init.result.get();
- }
-
-private:
- // Destroy all user-defined handler objects owned by the service.
- void shutdown()
- {
- service_impl_.shutdown();
- }
-
- // The platform-specific implementation.
- service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WAITABLE_TIMER_SERVICE_HPP