class Controller:
# requestQueue is shared queue among all processes
def __init__(self, database: DB):
if not isinstance(database, DB):
raise TypeError('Controller was not supplied a DB object')
self.manifest = Manifest()
self.request_queue = multiprocessing.Queue()
self.listener = Listener(self.request_queue)
self.database = database
def _create_request_processor(self):
req = RequestProcessor(self.request_queue, self.database)
req.process_requests()
def create_request_processors(self):
processes = []
for i in range(self.manifest.number_of_request_processors):
log(f"creating request processor {str(i)}", level=INFO)
# print('Creating processes %d' % i)
processes.append(Process(target=self._create_request_processor))
for i in processes:
i.start()
def create_listener(self):
log('creating request listener', level=INFO)
self.listener.create_listener()
thread = Thread(target=self.listener.listen)
thread.start()
thread.join()
