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- //
- // detail/timer_queue_ptime.hpp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2015 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_DETAIL_TIMER_QUEUE_PTIME_HPP
- #define ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/time_traits.hpp"
- #include "asio/detail/timer_queue.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- #if defined(ASIO_HAS_BOOST_DATE_TIME)
-
- namespace asio {
- namespace detail {
-
- struct forwarding_posix_time_traits : time_traits<boost::posix_time::ptime> {};
-
- // Template specialisation for the commonly used instantation.
- template <>
- class timer_queue<time_traits<boost::posix_time::ptime> >
- : public timer_queue_base
- {
- public:
- // The time type.
- typedef boost::posix_time::ptime time_type;
-
- // The duration type.
- typedef boost::posix_time::time_duration duration_type;
-
- // Per-timer data.
- typedef timer_queue<forwarding_posix_time_traits>::per_timer_data
- per_timer_data;
-
- // Constructor.
- ASIO_DECL timer_queue();
-
- // Destructor.
- ASIO_DECL virtual ~timer_queue();
-
- // Add a new timer to the queue. Returns true if this is the timer that is
- // earliest in the queue, in which case the reactor's event demultiplexing
- // function call may need to be interrupted and restarted.
- ASIO_DECL bool enqueue_timer(const time_type& time,
- per_timer_data& timer, wait_op* op);
-
- // Whether there are no timers in the queue.
- ASIO_DECL virtual bool empty() const;
-
- // Get the time for the timer that is earliest in the queue.
- ASIO_DECL virtual long wait_duration_msec(long max_duration) const;
-
- // Get the time for the timer that is earliest in the queue.
- ASIO_DECL virtual long wait_duration_usec(long max_duration) const;
-
- // Dequeue all timers not later than the current time.
- ASIO_DECL virtual void get_ready_timers(op_queue<operation>& ops);
-
- // Dequeue all timers.
- ASIO_DECL virtual void get_all_timers(op_queue<operation>& ops);
-
- // Cancel and dequeue operations for the given timer.
- ASIO_DECL std::size_t cancel_timer(
- per_timer_data& timer, op_queue<operation>& ops,
- std::size_t max_cancelled = (std::numeric_limits<std::size_t>::max)());
-
- private:
- timer_queue<forwarding_posix_time_traits> impl_;
- };
-
- } // namespace detail
- } // namespace asio
-
- #endif // defined(ASIO_HAS_BOOST_DATE_TIME)
-
- #include "asio/detail/pop_options.hpp"
-
- #if defined(ASIO_HEADER_ONLY)
- # include "asio/detail/impl/timer_queue_ptime.ipp"
- #endif // defined(ASIO_HEADER_ONLY)
-
- #endif // ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP
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