mirror of
https://github.com/pocoproject/poco.git
synced 2025-10-29 04:17:55 +01:00
XML: complete merge from 1.4.2
This commit is contained in:
@@ -1,298 +1,316 @@
|
||||
//
|
||||
// Timer.cpp
|
||||
//
|
||||
// $Id: //poco/Main/Util/src/Timer.cpp#2 $
|
||||
//
|
||||
// Library: Util
|
||||
// Package: Timer
|
||||
// Module: Timer
|
||||
//
|
||||
// Copyright (c) 2009, Applied Informatics Software Engineering GmbH.
|
||||
// and Contributors.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person or organization
|
||||
// obtaining a copy of the software and accompanying documentation covered by
|
||||
// this license (the "Software") to use, reproduce, display, distribute,
|
||||
// execute, and transmit the Software, and to prepare derivative works of the
|
||||
// Software, and to permit third-parties to whom the Software is furnished to
|
||||
// do so, all subject to the following:
|
||||
//
|
||||
// The copyright notices in the Software and this entire statement, including
|
||||
// the above license grant, this restriction and the following disclaimer,
|
||||
// must be included in all copies of the Software, in whole or in part, and
|
||||
// all derivative works of the Software, unless such copies or derivative
|
||||
// works are solely in the form of machine-executable object code generated by
|
||||
// a source language processor.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
||||
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
||||
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
||||
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
//
|
||||
|
||||
|
||||
#include "Poco/Util/Timer.h"
|
||||
#include "Poco/Notification.h"
|
||||
#include "Poco/ErrorHandler.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()
|
||||
{
|
||||
queue().clear();
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
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::Timestamp nextExecution;
|
||||
nextExecution += static_cast<Poco::Timestamp::TimeDiff>(_interval)*1000;
|
||||
queue().enqueueNotification(this, nextExecution);
|
||||
duplicate();
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private:
|
||||
long _interval;
|
||||
};
|
||||
|
||||
|
||||
class FixedRateTaskNotification: public TaskNotification
|
||||
{
|
||||
public:
|
||||
FixedRateTaskNotification(Poco::TimedNotificationQueue& queue, TimerTask::Ptr pTask, long interval):
|
||||
TaskNotification(queue, pTask),
|
||||
_interval(interval)
|
||||
{
|
||||
}
|
||||
|
||||
~FixedRateTaskNotification()
|
||||
{
|
||||
}
|
||||
|
||||
bool execute()
|
||||
{
|
||||
TaskNotification::execute();
|
||||
|
||||
if (!task()->isCancelled())
|
||||
{
|
||||
Poco::Timestamp nextExecution(task()->lastExecution());
|
||||
nextExecution += static_cast<Poco::Timestamp::TimeDiff>(_interval)*1000;
|
||||
queue().enqueueNotification(this, nextExecution);
|
||||
duplicate();
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private:
|
||||
long _interval;
|
||||
};
|
||||
|
||||
|
||||
Timer::Timer()
|
||||
{
|
||||
_thread.start(*this);
|
||||
}
|
||||
|
||||
|
||||
Timer::Timer(Poco::Thread::Priority priority)
|
||||
{
|
||||
_thread.setPriority(priority);
|
||||
_thread.start(*this);
|
||||
}
|
||||
|
||||
|
||||
Timer::~Timer()
|
||||
{
|
||||
Poco::Timestamp now;
|
||||
_queue.enqueueNotification(new StopNotification(_queue), now);
|
||||
_thread.join();
|
||||
}
|
||||
|
||||
|
||||
void Timer::cancel()
|
||||
{
|
||||
Poco::Timestamp now;
|
||||
_queue.enqueueNotification(new CancelNotification(_queue), now);
|
||||
}
|
||||
|
||||
|
||||
void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time)
|
||||
{
|
||||
_queue.enqueueNotification(new TaskNotification(_queue, pTask), time);
|
||||
}
|
||||
|
||||
|
||||
void Timer::schedule(TimerTask::Ptr pTask, long delay, long interval)
|
||||
{
|
||||
Poco::Timestamp time;
|
||||
time += static_cast<Poco::Timestamp::TimeDiff>(delay)*1000;
|
||||
schedule(pTask, time, interval);
|
||||
}
|
||||
|
||||
|
||||
void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
|
||||
{
|
||||
_queue.enqueueNotification(new PeriodicTaskNotification(_queue, pTask, interval), time);
|
||||
}
|
||||
|
||||
|
||||
void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, long delay, long interval)
|
||||
{
|
||||
Poco::Timestamp time;
|
||||
time += static_cast<Poco::Timestamp::TimeDiff>(delay)*1000;
|
||||
scheduleAtFixedRate(pTask, time, interval);
|
||||
}
|
||||
|
||||
|
||||
void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
|
||||
{
|
||||
_queue.enqueueNotification(new FixedRateTaskNotification(_queue, pTask, interval), time);
|
||||
}
|
||||
|
||||
|
||||
void Timer::run()
|
||||
{
|
||||
bool cont = true;
|
||||
while (cont)
|
||||
{
|
||||
Poco::AutoPtr<TimerNotification> pNf = static_cast<TimerNotification*>(_queue.waitDequeueNotification());
|
||||
cont = pNf->execute();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
} } // namespace Poco::Util
|
||||
//
|
||||
// Timer.cpp
|
||||
//
|
||||
// $Id: //poco/1.4/Util/src/Timer.cpp#1 $
|
||||
//
|
||||
// Library: Util
|
||||
// Package: Timer
|
||||
// Module: Timer
|
||||
//
|
||||
// Copyright (c) 2009, Applied Informatics Software Engineering GmbH.
|
||||
// and Contributors.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person or organization
|
||||
// obtaining a copy of the software and accompanying documentation covered by
|
||||
// this license (the "Software") to use, reproduce, display, distribute,
|
||||
// execute, and transmit the Software, and to prepare derivative works of the
|
||||
// Software, and to permit third-parties to whom the Software is furnished to
|
||||
// do so, all subject to the following:
|
||||
//
|
||||
// The copyright notices in the Software and this entire statement, including
|
||||
// the above license grant, this restriction and the following disclaimer,
|
||||
// must be included in all copies of the Software, in whole or in part, and
|
||||
// all derivative works of the Software, unless such copies or derivative
|
||||
// works are solely in the form of machine-executable object code generated by
|
||||
// a source language processor.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
||||
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
||||
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
||||
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
//
|
||||
|
||||
|
||||
#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()
|
||||
{
|
||||
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::Timestamp now;
|
||||
Poco::Timestamp nextExecution;
|
||||
nextExecution += static_cast<Poco::Timestamp::TimeDiff>(_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::Timestamp time):
|
||||
TaskNotification(queue, pTask),
|
||||
_interval(interval),
|
||||
_nextExecution(time)
|
||||
{
|
||||
}
|
||||
|
||||
~FixedRateTaskNotification()
|
||||
{
|
||||
}
|
||||
|
||||
bool execute()
|
||||
{
|
||||
TaskNotification::execute();
|
||||
|
||||
if (!task()->isCancelled())
|
||||
{
|
||||
Poco::Timestamp now;
|
||||
_nextExecution += static_cast<Poco::Timestamp::TimeDiff>(_interval)*1000;
|
||||
if (_nextExecution < now) _nextExecution = now;
|
||||
queue().enqueueNotification(this, _nextExecution);
|
||||
duplicate();
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private:
|
||||
long _interval;
|
||||
Poco::Timestamp _nextExecution;
|
||||
};
|
||||
|
||||
|
||||
Timer::Timer()
|
||||
{
|
||||
_thread.start(*this);
|
||||
}
|
||||
|
||||
|
||||
Timer::Timer(Poco::Thread::Priority priority)
|
||||
{
|
||||
_thread.setPriority(priority);
|
||||
_thread.start(*this);
|
||||
}
|
||||
|
||||
|
||||
Timer::~Timer()
|
||||
{
|
||||
_queue.enqueueNotification(new StopNotification(_queue), 0);
|
||||
_thread.join();
|
||||
}
|
||||
|
||||
|
||||
void Timer::cancel(bool wait)
|
||||
{
|
||||
Poco::AutoPtr<CancelNotification> pNf = new CancelNotification(_queue);
|
||||
_queue.enqueueNotification(pNf, 0);
|
||||
if (wait)
|
||||
{
|
||||
pNf->wait();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time)
|
||||
{
|
||||
_queue.enqueueNotification(new TaskNotification(_queue, pTask), time);
|
||||
}
|
||||
|
||||
|
||||
void Timer::schedule(TimerTask::Ptr pTask, long delay, long interval)
|
||||
{
|
||||
Poco::Timestamp time;
|
||||
time += static_cast<Poco::Timestamp::TimeDiff>(delay)*1000;
|
||||
schedule(pTask, time, interval);
|
||||
}
|
||||
|
||||
|
||||
void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
|
||||
{
|
||||
_queue.enqueueNotification(new PeriodicTaskNotification(_queue, pTask, interval), time);
|
||||
}
|
||||
|
||||
|
||||
void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, long delay, long interval)
|
||||
{
|
||||
Poco::Timestamp time;
|
||||
time += static_cast<Poco::Timestamp::TimeDiff>(delay)*1000;
|
||||
scheduleAtFixedRate(pTask, time, interval);
|
||||
}
|
||||
|
||||
|
||||
void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
|
||||
{
|
||||
_queue.enqueueNotification(new FixedRateTaskNotification(_queue, pTask, interval, time), time);
|
||||
}
|
||||
|
||||
|
||||
void Timer::run()
|
||||
{
|
||||
bool cont = true;
|
||||
while (cont)
|
||||
{
|
||||
Poco::AutoPtr<TimerNotification> pNf = static_cast<TimerNotification*>(_queue.waitDequeueNotification());
|
||||
cont = pNf->execute();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
} } // namespace Poco::Util
|
||||
|
||||
Reference in New Issue
Block a user