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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "scheduledexecutor.h"
#include <vespa/fnet/scheduler.h>
#include <vespa/fnet/task.h>
#include <vespa/fnet/transport.h>
namespace vespalib {
typedef vespalib::Executor::Task Task;
class TimerTask : public FNET_Task
{
private:
TimerTask(const TimerTask &);
TimerTask&operator=(const TimerTask &);
FNET_Scheduler *_scheduler;
Task::UP _task;
duration _interval;
public:
TimerTask(FNET_Scheduler *scheduler, Task::UP task, duration interval)
: FNET_Task(scheduler),
_task(std::move(task)),
_interval(interval)
{ }
~TimerTask() {
Kill();
}
void PerformTask() override {
_task->run();
Schedule(to_s(_interval));
}
};
ScheduledExecutor::ScheduledExecutor()
: _threadPool(128 * 1024),
_transport(new FNET_Transport()),
_lock(),
_taskList()
{
_transport->Start(&_threadPool);
}
ScheduledExecutor::~ScheduledExecutor()
{
vespalib::LockGuard guard(_lock);
_transport->ShutDown(true);
_threadPool.Close();
_taskList.clear();
}
void
ScheduledExecutor::scheduleAtFixedRate(vespalib::Executor::Task::UP task, duration delay, duration interval)
{
vespalib::LockGuard guard(_lock);
TimerTaskPtr tTask(new TimerTask(_transport->GetScheduler(), std::move(task), interval));
_taskList.push_back(std::move(tTask));
_taskList.back()->Schedule(to_s(delay));
}
void
ScheduledExecutor::reset()
{
vespalib::LockGuard guard(_lock);
_transport->ShutDown(true);
_taskList.clear();
_transport.reset(new FNET_Transport());
_transport->Start(&_threadPool);
}
}
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