/* XXX Handle timer rollover? */
void Scheduler::DequeueAndUpdateTimeout()
{
LOG_AM_TRACE("Entering function %s", __FUNCTION__);
/* Nothing to do? Then return. A new timeout will be scheduled
* the next time something is queued */
if (m_queue.empty() && (!m_localOffsetSet || m_localQueue.empty())) {
LOG_AM_DEBUG("Not dequeuing any items as queue is now empty");
if (m_wakeScheduled) {
CancelTimeout();
m_wakeScheduled = false;
}
return;
}
time_t curTime = time(NULL);
LOG_AM_DEBUG("Beginning to dequeue items at time %llu",
(unsigned long long)curTime);
/* If anything on the queue already happened in the past, dequeue it
* and mark it as Scheduled(). */
ProcessQueue(m_queue, curTime);
/* Only process the local queue if the timezone offset is known.
* Otherwise, wait, because it will be known shortly. */
if (m_localOffsetSet) {
ProcessQueue(m_localQueue, curTime + m_localOffset);
}
LOG_AM_DEBUG("Done dequeuing items");
/* Both queues scheduled and dequeued (or unknown if time zone is not
* yet known)? */
if (m_queue.empty() && (!m_localOffsetSet || m_localQueue.empty())) {
LOG_AM_DEBUG("No unscheduled items remain");
if (m_wakeScheduled) {
CancelTimeout();
m_wakeScheduled = false;
}
return;
}
time_t nextWakeup = GetNextStartTime();
if (!m_wakeScheduled || (nextWakeup != m_nextWakeup)) {
UpdateTimeout(nextWakeup, curTime);
m_nextWakeup = nextWakeup;
m_wakeScheduled = true;
}
}
bool Schedule::operator<(const Schedule& rhs) const
{
return GetNextStartTime() < rhs.GetNextStartTime();
}
