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1 | // |
2 | // detail/timer_queue_base.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
5 | // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) | |
6 | // | |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | ||
11 | #ifndef BOOST_ASIO_DETAIL_TIMER_QUEUE_BASE_HPP | |
12 | #define BOOST_ASIO_DETAIL_TIMER_QUEUE_BASE_HPP | |
13 | ||
14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
15 | # pragma once | |
16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
17 | ||
18 | #include <boost/asio/detail/config.hpp> | |
19 | #include <boost/asio/detail/noncopyable.hpp> | |
20 | #include <boost/asio/detail/op_queue.hpp> | |
21 | #include <boost/asio/detail/operation.hpp> | |
22 | ||
23 | #include <boost/asio/detail/push_options.hpp> | |
24 | ||
25 | namespace boost { | |
26 | namespace asio { | |
27 | namespace detail { | |
28 | ||
29 | class timer_queue_base | |
30 | : private noncopyable | |
31 | { | |
32 | public: | |
33 | // Constructor. | |
34 | timer_queue_base() : next_(0) {} | |
35 | ||
36 | // Destructor. | |
37 | virtual ~timer_queue_base() {} | |
38 | ||
39 | // Whether there are no timers in the queue. | |
40 | virtual bool empty() const = 0; | |
41 | ||
42 | // Get the time to wait until the next timer. | |
43 | virtual long wait_duration_msec(long max_duration) const = 0; | |
44 | ||
45 | // Get the time to wait until the next timer. | |
46 | virtual long wait_duration_usec(long max_duration) const = 0; | |
47 | ||
48 | // Dequeue all ready timers. | |
49 | virtual void get_ready_timers(op_queue<operation>& ops) = 0; | |
50 | ||
51 | // Dequeue all timers. | |
52 | virtual void get_all_timers(op_queue<operation>& ops) = 0; | |
53 | ||
54 | private: | |
55 | friend class timer_queue_set; | |
56 | ||
57 | // Next timer queue in the set. | |
58 | timer_queue_base* next_; | |
59 | }; | |
60 | ||
61 | template <typename Time_Traits> | |
62 | class timer_queue; | |
63 | ||
64 | } // namespace detail | |
65 | } // namespace asio | |
66 | } // namespace boost | |
67 | ||
68 | #include <boost/asio/detail/pop_options.hpp> | |
69 | ||
70 | #endif // BOOST_ASIO_DETAIL_TIMER_QUEUE_BASE_HPP |