111 lines
2.4 KiB
C++
111 lines
2.4 KiB
C++
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/* Copyright 2016, Ableton AG, Berlin. All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If you would like to incorporate Link into a proprietary software application,
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* please contact <link-devs@ableton.com>.
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*/
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#pragma once
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#include <ableton/test/serial_io/SchedulerTree.hpp>
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namespace ableton
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{
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namespace test
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{
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namespace serial_io
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{
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struct Timer
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{
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using ErrorCode = SchedulerTree::TimerErrorCode;
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using TimePoint = SchedulerTree::TimePoint;
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Timer(const SchedulerTree::TimerId timerId,
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const TimePoint& now,
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std::shared_ptr<SchedulerTree> pScheduler)
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: mId(timerId)
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, mNow(now)
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, mpScheduler(std::move(pScheduler))
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{
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}
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~Timer()
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{
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if (!mbMovedFrom)
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{
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cancel();
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}
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}
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Timer(const Timer&) = delete;
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Timer(Timer&& rhs)
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: mId(rhs.mId)
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, mNow(rhs.mNow)
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, mExpiration(std::move(rhs.mExpiration))
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, mpScheduler(std::move(rhs.mpScheduler))
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{
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rhs.mbMovedFrom = true;
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}
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void expires_at(const TimePoint t)
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{
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if (t < mNow)
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{
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throw std::runtime_error("Setting timer in the past");
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}
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else
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{
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cancel();
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mExpiration = t;
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}
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}
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template <typename T, typename Rep>
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void expires_from_now(std::chrono::duration<T, Rep> duration)
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{
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expires_at(mNow + duration);
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}
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void cancel()
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{
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auto pScheduler = mpScheduler.lock();
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pScheduler->cancelTimer(mId);
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}
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template <typename Handler>
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void async_wait(Handler handler)
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{
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auto pScheduler = mpScheduler.lock();
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pScheduler->setTimer(mId, mExpiration, std::move(handler));
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}
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TimePoint now() const
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{
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return mNow;
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}
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const SchedulerTree::TimerId mId;
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const TimePoint& mNow;
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TimePoint mExpiration;
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std::weak_ptr<SchedulerTree> mpScheduler;
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bool mbMovedFrom = false;
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};
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} // namespace serial_io
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} // namespace test
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} // namespace ableton
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