// // deadline_timer_service.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_DEADLINE_TIMER_SERVICE_HPP #define BOOST_ASIO_DEADLINE_TIMER_SERVICE_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/detail/push_options.hpp> #include <cstddef> #include <boost/config.hpp> #include <boost/asio/detail/pop_options.hpp> #include <boost/asio/io_service.hpp> #include <boost/asio/time_traits.hpp> #include <boost/asio/detail/deadline_timer_service.hpp> #include <boost/asio/detail/epoll_reactor.hpp> #include <boost/asio/detail/kqueue_reactor.hpp> #include <boost/asio/detail/select_reactor.hpp> #include <boost/asio/detail/service_base.hpp> #include <boost/asio/detail/win_iocp_io_service.hpp> namespace boost { namespace asio { /// Default service implementation for a timer. template <typename TimeType, typename TimeTraits = boost::asio::time_traits<TimeType> > class deadline_timer_service #if defined(GENERATING_DOCUMENTATION) : public boost::asio::io_service::service #else : public boost::asio::detail::service_base< deadline_timer_service<TimeType, TimeTraits> > #endif { public: #if defined(GENERATING_DOCUMENTATION) /// The unique service identifier. static boost::asio::io_service::id id; #endif /// The time traits type. typedef TimeTraits traits_type; /// The time type. typedef typename traits_type::time_type time_type; /// The duration type. typedef typename traits_type::duration_type duration_type; private: // The type of the platform-specific implementation. #if defined(BOOST_ASIO_HAS_IOCP) typedef detail::deadline_timer_service< traits_type, detail::win_iocp_io_service> service_impl_type; #elif defined(BOOST_ASIO_HAS_EPOLL) typedef detail::deadline_timer_service< traits_type, detail::epoll_reactor<false> > service_impl_type; #elif defined(BOOST_ASIO_HAS_KQUEUE) typedef detail::deadline_timer_service< traits_type, detail::kqueue_reactor<false> > service_impl_type; #elif defined(BOOST_ASIO_HAS_DEV_POLL) typedef detail::deadline_timer_service< traits_type, detail::dev_poll_reactor<false> > service_impl_type; #else typedef detail::deadline_timer_service< traits_type, detail::select_reactor<false> > service_impl_type; #endif public: /// The implementation type of the deadline 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_service. explicit deadline_timer_service(boost::asio::io_service& io_service) : boost::asio::detail::service_base< deadline_timer_service<TimeType, TimeTraits> >(io_service), service_impl_(boost::asio::use_service<service_impl_type>(io_service)) { } /// Destroy all user-defined handler objects owned by the service. void shutdown_service() { } /// 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); } /// Cancel any asynchronous wait operations associated with the timer. std::size_t cancel(implementation_type& impl, boost::system::error_code& ec) { return service_impl_.cancel(impl, ec); } /// Get the expiry time for the timer as an absolute time. time_type expires_at(const implementation_type& impl) const { return service_impl_.expires_at(impl); } /// Set the expiry time for the timer as an absolute time. std::size_t expires_at(implementation_type& impl, const time_type& expiry_time, boost::system::error_code& ec) { return service_impl_.expires_at(impl, expiry_time, ec); } /// Get the expiry time for the timer relative to now. duration_type expires_from_now(const implementation_type& impl) const { return service_impl_.expires_from_now(impl); } /// Set the expiry time for the timer relative to now. std::size_t expires_from_now(implementation_type& impl, const duration_type& expiry_time, boost::system::error_code& ec) { return service_impl_.expires_from_now(impl, expiry_time, ec); } // Perform a blocking wait on the timer. void wait(implementation_type& impl, boost::system::error_code& ec) { service_impl_.wait(impl, ec); } // Start an asynchronous wait on the timer. template <typename WaitHandler> void async_wait(implementation_type& impl, WaitHandler handler) { service_impl_.async_wait(impl, handler); } private: // The service that provides the platform-specific implementation. service_impl_type& service_impl_; }; } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #endif // BOOST_ASIO_DEADLINE_TIMER_SERVICE_HPP