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authororivej <orivej@yandex-team.ru>2022-02-10 16:45:01 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:01 +0300
commit2d37894b1b037cf24231090eda8589bbb44fb6fc (patch)
treebe835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/poco/Util/src/Timer.cpp
parent718c552901d703c502ccbefdfc3c9028d608b947 (diff)
downloadydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/poco/Util/src/Timer.cpp')
-rw-r--r--contrib/libs/poco/Util/src/Timer.cpp702
1 files changed, 351 insertions, 351 deletions
diff --git a/contrib/libs/poco/Util/src/Timer.cpp b/contrib/libs/poco/Util/src/Timer.cpp
index 8d4a95abff..3de4821c16 100644
--- a/contrib/libs/poco/Util/src/Timer.cpp
+++ b/contrib/libs/poco/Util/src/Timer.cpp
@@ -1,351 +1,351 @@
-//
-// Timer.cpp
-//
-// Library: Util
-// Package: Timer
-// Module: Timer
-//
-// Copyright (c) 2009, Applied Informatics Software Engineering GmbH.
-// and Contributors.
-//
-// SPDX-License-Identifier: BSL-1.0
-//
-
-
-#include "Poco/Util/Timer.h"
-#include "Poco/Notification.h"
-#include "Poco/ErrorHandler.h"
-#include "Poco/Event.h"
-
-
-using Poco::ErrorHandler;
-
-
-namespace Poco {
-namespace Util {
-
-
-class TimerNotification: public Poco::Notification
-{
-public:
- TimerNotification(Poco::TimedNotificationQueue& queue):
- _queue(queue)
- {
- }
-
- ~TimerNotification()
- {
- }
-
- virtual bool execute() = 0;
-
- Poco::TimedNotificationQueue& queue()
- {
- return _queue;
- }
-
-private:
- Poco::TimedNotificationQueue& _queue;
-};
-
-
-class StopNotification: public TimerNotification
-{
-public:
- StopNotification(Poco::TimedNotificationQueue& queue):
- TimerNotification(queue)
- {
- }
-
- ~StopNotification()
- {
- }
-
- bool execute()
- {
- queue().clear();
- return false;
- }
-};
-
-
-class CancelNotification: public TimerNotification
-{
-public:
- CancelNotification(Poco::TimedNotificationQueue& queue):
- TimerNotification(queue)
- {
- }
-
- ~CancelNotification()
- {
- }
-
- bool execute()
- {
- // Check if there's a StopNotification pending.
- Poco::AutoPtr<TimerNotification> pNf = static_cast<TimerNotification*>(queue().dequeueNotification());
- while (pNf)
- {
- if (pNf.cast<StopNotification>())
- {
- queue().clear();
- _finished.set();
- return false;
- }
- pNf = static_cast<TimerNotification*>(queue().dequeueNotification());
- }
-
- queue().clear();
- _finished.set();
- return true;
- }
-
- void wait()
- {
- _finished.wait();
- }
-
-private:
- Poco::Event _finished;
-};
-
-
-class TaskNotification: public TimerNotification
-{
-public:
- TaskNotification(Poco::TimedNotificationQueue& queue, TimerTask::Ptr pTask):
- TimerNotification(queue),
- _pTask(pTask)
- {
- }
-
- ~TaskNotification()
- {
- }
-
- TimerTask::Ptr task()
- {
- return _pTask;
- }
-
- bool execute()
- {
- if (!_pTask->isCancelled())
- {
- try
- {
- _pTask->_lastExecution.update();
- _pTask->run();
- }
- catch (Exception& exc)
- {
- ErrorHandler::handle(exc);
- }
- catch (std::exception& exc)
- {
- ErrorHandler::handle(exc);
- }
- catch (...)
- {
- ErrorHandler::handle();
- }
- }
- return true;
- }
-
-private:
- TimerTask::Ptr _pTask;
-};
-
-
-class PeriodicTaskNotification: public TaskNotification
-{
-public:
- PeriodicTaskNotification(Poco::TimedNotificationQueue& queue, TimerTask::Ptr pTask, long interval):
- TaskNotification(queue, pTask),
- _interval(interval)
- {
- }
-
- ~PeriodicTaskNotification()
- {
- }
-
- bool execute()
- {
- TaskNotification::execute();
-
- if (!task()->isCancelled())
- {
- Poco::Clock now;
- Poco::Clock nextExecution;
- nextExecution += static_cast<Poco::Clock::ClockDiff>(_interval)*1000;
- if (nextExecution < now) nextExecution = now;
- queue().enqueueNotification(this, nextExecution);
- duplicate();
- }
- return true;
- }
-
-private:
- long _interval;
-};
-
-
-class FixedRateTaskNotification: public TaskNotification
-{
-public:
- FixedRateTaskNotification(Poco::TimedNotificationQueue& queue, TimerTask::Ptr pTask, long interval, Poco::Clock clock):
- TaskNotification(queue, pTask),
- _interval(interval),
- _nextExecution(clock)
- {
- }
-
- ~FixedRateTaskNotification()
- {
- }
-
- bool execute()
- {
- TaskNotification::execute();
-
- if (!task()->isCancelled())
- {
- Poco::Clock now;
- _nextExecution += static_cast<Poco::Clock::ClockDiff>(_interval)*1000;
- if (_nextExecution < now) _nextExecution = now;
- queue().enqueueNotification(this, _nextExecution);
- duplicate();
- }
- return true;
- }
-
-private:
- long _interval;
- Poco::Clock _nextExecution;
-};
-
-
-Timer::Timer()
-{
- _thread.start(*this);
-}
-
-
-Timer::Timer(Poco::Thread::Priority priority)
-{
- _thread.setPriority(priority);
- _thread.start(*this);
-}
-
-
-Timer::~Timer()
-{
- try
- {
- _queue.enqueueNotification(new StopNotification(_queue), Poco::Clock(0));
- _thread.join();
- }
- catch (...)
- {
- poco_unexpected();
- }
-}
-
-
-void Timer::cancel(bool wait)
-{
- Poco::AutoPtr<CancelNotification> pNf = new CancelNotification(_queue);
- _queue.enqueueNotification(pNf, Poco::Clock(0));
- if (wait)
- {
- pNf->wait();
- }
-}
-
-
-void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time)
-{
- validateTask(pTask);
- _queue.enqueueNotification(new TaskNotification(_queue, pTask), time);
-}
-
-
-void Timer::schedule(TimerTask::Ptr pTask, Poco::Clock clock)
-{
- validateTask(pTask);
- _queue.enqueueNotification(new TaskNotification(_queue, pTask), clock);
-}
-
-
-void Timer::schedule(TimerTask::Ptr pTask, long delay, long interval)
-{
- Poco::Clock clock;
- clock += static_cast<Poco::Clock::ClockDiff>(delay)*1000;
- schedule(pTask, clock, interval);
-}
-
-
-void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
-{
- validateTask(pTask);
- _queue.enqueueNotification(new PeriodicTaskNotification(_queue, pTask, interval), time);
-}
-
-
-void Timer::schedule(TimerTask::Ptr pTask, Poco::Clock clock, long interval)
-{
- validateTask(pTask);
- _queue.enqueueNotification(new PeriodicTaskNotification(_queue, pTask, interval), clock);
-}
-
-
-void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, long delay, long interval)
-{
- Poco::Clock clock;
- clock += static_cast<Poco::Clock::ClockDiff>(delay)*1000;
- scheduleAtFixedRate(pTask, clock, interval);
-}
-
-
-void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
-{
- validateTask(pTask);
- Poco::Timestamp tsNow;
- Poco::Clock clock;
- Poco::Timestamp::TimeDiff diff = time - tsNow;
- clock += diff;
- _queue.enqueueNotification(new FixedRateTaskNotification(_queue, pTask, interval, clock), clock);
-}
-
-
-void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Clock clock, long interval)
-{
- validateTask(pTask);
- _queue.enqueueNotification(new FixedRateTaskNotification(_queue, pTask, interval, clock), clock);
-}
-
-
-void Timer::run()
-{
- bool cont = true;
- while (cont)
- {
- Poco::AutoPtr<TimerNotification> pNf = static_cast<TimerNotification*>(_queue.waitDequeueNotification());
- cont = pNf->execute();
- }
-}
-
-
-void Timer::validateTask(const TimerTask::Ptr& pTask)
-{
- if (pTask->isCancelled())
- {
- throw Poco::IllegalStateException("A cancelled task must not be rescheduled");
- }
-}
-
-
-} } // namespace Poco::Util
+//
+// Timer.cpp
+//
+// Library: Util
+// Package: Timer
+// Module: Timer
+//
+// Copyright (c) 2009, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier: BSL-1.0
+//
+
+
+#include "Poco/Util/Timer.h"
+#include "Poco/Notification.h"
+#include "Poco/ErrorHandler.h"
+#include "Poco/Event.h"
+
+
+using Poco::ErrorHandler;
+
+
+namespace Poco {
+namespace Util {
+
+
+class TimerNotification: public Poco::Notification
+{
+public:
+ TimerNotification(Poco::TimedNotificationQueue& queue):
+ _queue(queue)
+ {
+ }
+
+ ~TimerNotification()
+ {
+ }
+
+ virtual bool execute() = 0;
+
+ Poco::TimedNotificationQueue& queue()
+ {
+ return _queue;
+ }
+
+private:
+ Poco::TimedNotificationQueue& _queue;
+};
+
+
+class StopNotification: public TimerNotification
+{
+public:
+ StopNotification(Poco::TimedNotificationQueue& queue):
+ TimerNotification(queue)
+ {
+ }
+
+ ~StopNotification()
+ {
+ }
+
+ bool execute()
+ {
+ queue().clear();
+ return false;
+ }
+};
+
+
+class CancelNotification: public TimerNotification
+{
+public:
+ CancelNotification(Poco::TimedNotificationQueue& queue):
+ TimerNotification(queue)
+ {
+ }
+
+ ~CancelNotification()
+ {
+ }
+
+ bool execute()
+ {
+ // Check if there's a StopNotification pending.
+ Poco::AutoPtr<TimerNotification> pNf = static_cast<TimerNotification*>(queue().dequeueNotification());
+ while (pNf)
+ {
+ if (pNf.cast<StopNotification>())
+ {
+ queue().clear();
+ _finished.set();
+ return false;
+ }
+ pNf = static_cast<TimerNotification*>(queue().dequeueNotification());
+ }
+
+ queue().clear();
+ _finished.set();
+ return true;
+ }
+
+ void wait()
+ {
+ _finished.wait();
+ }
+
+private:
+ Poco::Event _finished;
+};
+
+
+class TaskNotification: public TimerNotification
+{
+public:
+ TaskNotification(Poco::TimedNotificationQueue& queue, TimerTask::Ptr pTask):
+ TimerNotification(queue),
+ _pTask(pTask)
+ {
+ }
+
+ ~TaskNotification()
+ {
+ }
+
+ TimerTask::Ptr task()
+ {
+ return _pTask;
+ }
+
+ bool execute()
+ {
+ if (!_pTask->isCancelled())
+ {
+ try
+ {
+ _pTask->_lastExecution.update();
+ _pTask->run();
+ }
+ catch (Exception& exc)
+ {
+ ErrorHandler::handle(exc);
+ }
+ catch (std::exception& exc)
+ {
+ ErrorHandler::handle(exc);
+ }
+ catch (...)
+ {
+ ErrorHandler::handle();
+ }
+ }
+ return true;
+ }
+
+private:
+ TimerTask::Ptr _pTask;
+};
+
+
+class PeriodicTaskNotification: public TaskNotification
+{
+public:
+ PeriodicTaskNotification(Poco::TimedNotificationQueue& queue, TimerTask::Ptr pTask, long interval):
+ TaskNotification(queue, pTask),
+ _interval(interval)
+ {
+ }
+
+ ~PeriodicTaskNotification()
+ {
+ }
+
+ bool execute()
+ {
+ TaskNotification::execute();
+
+ if (!task()->isCancelled())
+ {
+ Poco::Clock now;
+ Poco::Clock nextExecution;
+ nextExecution += static_cast<Poco::Clock::ClockDiff>(_interval)*1000;
+ if (nextExecution < now) nextExecution = now;
+ queue().enqueueNotification(this, nextExecution);
+ duplicate();
+ }
+ return true;
+ }
+
+private:
+ long _interval;
+};
+
+
+class FixedRateTaskNotification: public TaskNotification
+{
+public:
+ FixedRateTaskNotification(Poco::TimedNotificationQueue& queue, TimerTask::Ptr pTask, long interval, Poco::Clock clock):
+ TaskNotification(queue, pTask),
+ _interval(interval),
+ _nextExecution(clock)
+ {
+ }
+
+ ~FixedRateTaskNotification()
+ {
+ }
+
+ bool execute()
+ {
+ TaskNotification::execute();
+
+ if (!task()->isCancelled())
+ {
+ Poco::Clock now;
+ _nextExecution += static_cast<Poco::Clock::ClockDiff>(_interval)*1000;
+ if (_nextExecution < now) _nextExecution = now;
+ queue().enqueueNotification(this, _nextExecution);
+ duplicate();
+ }
+ return true;
+ }
+
+private:
+ long _interval;
+ Poco::Clock _nextExecution;
+};
+
+
+Timer::Timer()
+{
+ _thread.start(*this);
+}
+
+
+Timer::Timer(Poco::Thread::Priority priority)
+{
+ _thread.setPriority(priority);
+ _thread.start(*this);
+}
+
+
+Timer::~Timer()
+{
+ try
+ {
+ _queue.enqueueNotification(new StopNotification(_queue), Poco::Clock(0));
+ _thread.join();
+ }
+ catch (...)
+ {
+ poco_unexpected();
+ }
+}
+
+
+void Timer::cancel(bool wait)
+{
+ Poco::AutoPtr<CancelNotification> pNf = new CancelNotification(_queue);
+ _queue.enqueueNotification(pNf, Poco::Clock(0));
+ if (wait)
+ {
+ pNf->wait();
+ }
+}
+
+
+void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time)
+{
+ validateTask(pTask);
+ _queue.enqueueNotification(new TaskNotification(_queue, pTask), time);
+}
+
+
+void Timer::schedule(TimerTask::Ptr pTask, Poco::Clock clock)
+{
+ validateTask(pTask);
+ _queue.enqueueNotification(new TaskNotification(_queue, pTask), clock);
+}
+
+
+void Timer::schedule(TimerTask::Ptr pTask, long delay, long interval)
+{
+ Poco::Clock clock;
+ clock += static_cast<Poco::Clock::ClockDiff>(delay)*1000;
+ schedule(pTask, clock, interval);
+}
+
+
+void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
+{
+ validateTask(pTask);
+ _queue.enqueueNotification(new PeriodicTaskNotification(_queue, pTask, interval), time);
+}
+
+
+void Timer::schedule(TimerTask::Ptr pTask, Poco::Clock clock, long interval)
+{
+ validateTask(pTask);
+ _queue.enqueueNotification(new PeriodicTaskNotification(_queue, pTask, interval), clock);
+}
+
+
+void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, long delay, long interval)
+{
+ Poco::Clock clock;
+ clock += static_cast<Poco::Clock::ClockDiff>(delay)*1000;
+ scheduleAtFixedRate(pTask, clock, interval);
+}
+
+
+void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
+{
+ validateTask(pTask);
+ Poco::Timestamp tsNow;
+ Poco::Clock clock;
+ Poco::Timestamp::TimeDiff diff = time - tsNow;
+ clock += diff;
+ _queue.enqueueNotification(new FixedRateTaskNotification(_queue, pTask, interval, clock), clock);
+}
+
+
+void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Clock clock, long interval)
+{
+ validateTask(pTask);
+ _queue.enqueueNotification(new FixedRateTaskNotification(_queue, pTask, interval, clock), clock);
+}
+
+
+void Timer::run()
+{
+ bool cont = true;
+ while (cont)
+ {
+ Poco::AutoPtr<TimerNotification> pNf = static_cast<TimerNotification*>(_queue.waitDequeueNotification());
+ cont = pNf->execute();
+ }
+}
+
+
+void Timer::validateTask(const TimerTask::Ptr& pTask)
+{
+ if (pTask->isCancelled())
+ {
+ throw Poco::IllegalStateException("A cancelled task must not be rescheduled");
+ }
+}
+
+
+} } // namespace Poco::Util