void JobManager::Schedule(InternalJob::Pointer job, Poco::Timestamp::TimeDiff delay, bool reschedule)
{
if (!m_active)
throw Poco::IllegalStateException("Job manager has been shut down.");
poco_assert(job); // "Job is null"
poco_assert(delay >= 0); // "Scheduling delay is negative"
{
Poco::ScopedLock<Poco::Mutex> managerLock (m_mutex);
//if the job is already running, set it to be rescheduled when done
if (job->GetState() == Job::RUNNING)
{
job->SetStartTime(delay);
return;
}
//can't schedule a job that is waiting or sleeping
if (job->InternalGetState() != Job::NONE)
return;
//remember that we are about to schedule the job
//to prevent multiple schedule attempts from succeeding (bug 68452)
InternalJob::Pointer sptr_job(job);
ChangeState(sptr_job, InternalJob::ABOUT_TO_SCHEDULE);
}
//notify listeners outside sync block
m_JobListeners.Scheduled(job.Cast<Job>(), delay, reschedule);
//schedule the job
DoSchedule(job, delay);
//call the pool outside sync block to avoid deadlock
m_Pool->JobQueued();
}
void JobManager::WakeUp(InternalJob::Pointer job, Poco::Timestamp::TimeDiff delay)
{
poco_assert(delay >= 0); // "Scheduling delay is negative"
{
Poco::ScopedLock<Poco::Mutex> m_managerLock (m_mutex);
//cannot wake up if it is not sleeping
if (job->GetState() != Job::SLEEPING)
return;
DoSchedule(job, delay);
}
//call the pool outside sync block to avoid deadlock
m_Pool->JobQueued();
/// IListenerExtension only notify of wake up if immediate
if (delay == 0)
m_JobListeners.Awake(job.Cast<Job>());
}
void
PacketScheduler::Schedule (void)
{
DoSchedule ();
}
