void ManagerImpl::nowIs(Time t) {
//find the most recent activites to run and run them in order
while (!scheduledActivities_.empty()) {
//figure out the next activity to run
Activity::Ptr nextToRun = scheduledActivities_.top();
//if the next time is greater than the specified time, break
//the loop
if (nextToRun->nextTime().value() > t.value()) {
break;
}
//calculate amount of time to sleep
Time diff = Time(nextToRun->nextTime().value() - now_.value());
//sleep 100ms (100,000 microseconds) for every unit of time
//Sleep only for the real time activity manager
if(realTime_){
usleep(( ((int)diff.value()) * 100000));
}
now_ = nextToRun->nextTime();
//run the minimum time activity and remove it from the queue
scheduledActivities_.pop();
if(nextToRun->status() != Activity::deleted)
nextToRun->statusIs(Activity::executing);
if(nextToRun->status() != Activity::deleted && nextToRun->status() != Activity::waiting){
nextToRun->statusIs(Activity::free);
}
}
//syncrhonize the time
now_ = t;
}
