events.cpp

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#include <itpp/protocol/events.h>


namespace itpp
{

Ttype Event_Queue::t = 0;

unsigned long long int Base_Event::global_id = 0;

std::priority_queue < Base_Event*,
std::deque<Base_Event*, std::allocator<Base_Event*> >,
Compare_Base_Event_Times > Event_Queue::event_queue;

bool Event_Queue::keep_running = false;

void Event_Queue::add(Base_Event *e)
{
  e->expire_t = t + e->delta_t;
  event_queue.push(e);
}

void Event_Queue::_run()
{
  while (!event_queue.empty() && keep_running) {
    Base_Event* e = event_queue.top(); // Next event to process.
    event_queue.pop(); // Remove event.

    if (e->active) { // Only process active events.
      t = e->expire_t; // Update current time.
      e->exec(); // Execute the event.
    }

    delete e; // This event is history!
  }

}

void Event_Queue::start()
{
  keep_running = true;
  _run();
}

void Event_Queue::stop()
{
  keep_running = false;
}

void Event_Queue::clear()
{
  stop();
  Base_Event* e;

  while (!event_queue.empty()) {
    e = event_queue.top();
    delete e;
    event_queue.pop();
  }

  t = 0;
}

// void Event_Queue::cancel_all(BaseSignal *s){

// }


} // namespace itpp