00001 // 00002 // timer_queue_base.hpp 00003 // ~~~~~~~~~~~~~~~~~~~~ 00004 // 00005 // Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com) 00006 // 00007 // Distributed under the Boost Software License, Version 1.0. (See accompanying 00008 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 00009 // 00010 00011 #ifndef ASIO_DETAIL_TIMER_QUEUE_BASE_HPP 00012 #define ASIO_DETAIL_TIMER_QUEUE_BASE_HPP 00013 00014 #if defined(_MSC_VER) && (_MSC_VER >= 1200) 00015 # pragma once 00016 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) 00017 00018 #include "asio/detail/push_options.hpp" 00019 00020 #include "asio/detail/socket_types.hpp" // Must come before posix_time. 00021 00022 #include "asio/detail/push_options.hpp" 00023 #include <boost/date_time/posix_time/posix_time_types.hpp> 00024 #include "asio/detail/pop_options.hpp" 00025 00026 #include "asio/detail/noncopyable.hpp" 00027 00028 namespace asio { 00029 namespace detail { 00030 00031 class timer_queue_base 00032 : private noncopyable 00033 { 00034 public: 00035 // Destructor. 00036 virtual ~timer_queue_base() {} 00037 00038 // Whether there are no timers in the queue. 00039 virtual bool empty() const = 0; 00040 00041 // Get the time to wait until the next timer. 00042 virtual boost::posix_time::time_duration wait_duration() const = 0; 00043 00044 // Dispatch all ready timers. 00045 virtual void dispatch_timers() = 0; 00046 00047 // Dispatch any pending cancels for timers. 00048 virtual void dispatch_cancellations() = 0; 00049 00050 // Complete all timers that are waiting to be completed. 00051 virtual void complete_timers() = 0; 00052 00053 // Destroy all timers. 00054 virtual void destroy_timers() = 0; 00055 }; 00056 00057 } // namespace detail 00058 } // namespace asio 00059 00060 #include "asio/detail/pop_options.hpp" 00061 00062 #endif // ASIO_DETAIL_TIMER_QUEUE_BASE_HPP
