class Services(object): def __init__(self): self.services = [] self.tg = ThreadGroup() self.done = event.Event() def add(self, service): self.services.append(service) self.tg.add_thread(self.run_service, service, self.done) def stop(self): # wait for graceful shutdown of services: for service in self.services: service.stop() service.wait() # Each service has performed cleanup, now signal that the run_service # wrapper threads can now die: if not self.done.ready(): self.done.send() # reap threads: self.tg.stop() def wait(self): self.tg.wait() def restart(self): self.stop() self.done = event.Event() for restart_service in self.services: restart_service.reset() self.tg.add_thread(self.run_service, restart_service, self.done) @staticmethod def run_service(service, done): """Service start wrapper. :param service: service to run :param done: event to wait on until a shutdown is triggered :returns: None """ service.start() done.wait()
def __init__(self): self.services = [] self.tg = ThreadGroup() self.done = event.Event()