153 lines
4.2 KiB
C++
153 lines
4.2 KiB
C++
//
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// deadline_timer_service.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2006 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_DEADLINE_TIMER_SERVICE_HPP
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#define ASIO_DEADLINE_TIMER_SERVICE_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/detail/push_options.hpp"
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#include <cstddef>
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#include <boost/config.hpp>
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#include "asio/detail/pop_options.hpp"
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#include "asio/io_service.hpp"
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#include "asio/time_traits.hpp"
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#include "asio/detail/deadline_timer_service.hpp"
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#include "asio/detail/epoll_reactor.hpp"
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#include "asio/detail/kqueue_reactor.hpp"
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#include "asio/detail/select_reactor.hpp"
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namespace asio {
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/// Default service implementation for a timer.
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template <typename Time_Type,
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typename Time_Traits = asio::time_traits<Time_Type> >
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class deadline_timer_service
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: public asio::io_service::service
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{
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public:
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/// The time traits type.
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typedef Time_Traits traits_type;
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/// The time type.
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typedef typename traits_type::time_type time_type;
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/// The duration type.
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typedef typename traits_type::duration_type duration_type;
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private:
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// The type of the platform-specific implementation.
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#if defined(ASIO_HAS_IOCP)
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typedef detail::deadline_timer_service<
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traits_type, detail::select_reactor<true> > service_impl_type;
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#elif defined(ASIO_HAS_EPOLL)
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typedef detail::deadline_timer_service<
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traits_type, detail::epoll_reactor<false> > service_impl_type;
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#elif defined(ASIO_HAS_KQUEUE)
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typedef detail::deadline_timer_service<
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traits_type, detail::kqueue_reactor<false> > service_impl_type;
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#else
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typedef detail::deadline_timer_service<
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traits_type, detail::select_reactor<false> > service_impl_type;
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#endif
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public:
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/// The implementation type of the deadline timer.
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#if defined(GENERATING_DOCUMENTATION)
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typedef implementation_defined implementation_type;
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#else
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typedef typename service_impl_type::implementation_type implementation_type;
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#endif
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/// Construct a new timer service for the specified io_service.
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explicit deadline_timer_service(asio::io_service& io_service)
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: asio::io_service::service(io_service),
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service_impl_(asio::use_service<service_impl_type>(io_service))
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{
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}
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/// Destroy all user-defined handler objects owned by the service.
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void shutdown_service()
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{
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}
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/// Construct a new timer implementation.
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void construct(implementation_type& impl)
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{
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service_impl_.construct(impl);
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}
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/// Destroy a timer implementation.
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void destroy(implementation_type& impl)
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{
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service_impl_.destroy(impl);
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}
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/// Cancel any asynchronous wait operations associated with the timer.
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std::size_t cancel(implementation_type& impl)
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{
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return service_impl_.cancel(impl);
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}
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/// Get the expiry time for the timer as an absolute time.
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time_type expires_at(const implementation_type& impl) const
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{
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return service_impl_.expires_at(impl);
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}
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/// Set the expiry time for the timer as an absolute time.
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std::size_t expires_at(implementation_type& impl,
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const time_type& expiry_time)
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{
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return service_impl_.expires_at(impl, expiry_time);
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}
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/// Get the expiry time for the timer relative to now.
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duration_type expires_from_now(const implementation_type& impl) const
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{
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return service_impl_.expires_from_now(impl);
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}
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/// Set the expiry time for the timer relative to now.
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std::size_t expires_from_now(implementation_type& impl,
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const duration_type& expiry_time)
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{
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return service_impl_.expires_from_now(impl, expiry_time);
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}
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// Perform a blocking wait on the timer.
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void wait(implementation_type& impl)
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{
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service_impl_.wait(impl);
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}
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// Start an asynchronous wait on the timer.
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template <typename Handler>
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void async_wait(implementation_type& impl, Handler handler)
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{
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service_impl_.async_wait(impl, handler);
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}
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private:
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// The service that provides the platform-specific implementation.
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service_impl_type& service_impl_;
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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_DEADLINE_TIMER_SERVICE_HPP
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