booster/aio/deadline_timer.h

//
//  Copyright (C) 2009-2012 Artyom Beilis (Tonkikh)
//
//  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 BOOSTER_AIO_DEADLINE_TIMER_H
#define BOOSTER_AIO_DEADLINE_TIMER_H

#include <booster/config.h>
#include <booster/posix_time.h>
#include <booster/hold_ptr.h>
#include <booster/callback.h>
#include <booster/aio/types.h>
#include <booster/noncopyable.h>

namespace booster {
        namespace aio {

                class BOOSTER_API deadline_timer : public noncopyable {
                public:
                        deadline_timer();

                        deadline_timer(io_service &srv);
                        ~deadline_timer();

                        io_service &get_io_service();
                        void set_io_service(io_service &srv);
                        void reset_io_service();

                        void expires_from_now(ptime t);
                        ptime expires_from_now();

                        void expires_at(ptime t);
                        ptime expires_at();

                        void wait();
                        void async_wait(event_handler const &h);
                        void cancel();
                private:
                        struct waiter;
                        friend struct waiter;

                        struct data;
                        hold_ptr<data> d;

                        io_service *srv_;
                        ptime deadline_;
                        int event_id_;

                };

        } // aio
} // booster



#endif