Beispiel #1
0
 def start(self):
     self.workers = [
         Worker(target=do_work, args=(
             i,
             self.queue,
         )) for i in range(self.worker_num)
     ]
     for w in self.workers:
         w.start()
Beispiel #2
0
def crazy_callback(sleep_time):
    logging.info('sleep time is %s' % sleep_time)
    global probe
    deep_probe = 1000
    probe = 100
    tn = Worker(name='thread_of_crazy_thread',
                target=callback,
                args=(sleep_time * 2, ))
    tn.start()
    time.sleep(sleep_time)

    logging.info('and here I complete ... %s' % probe)
Beispiel #3
0
    def _setup(self):
        """setup input/output queues and workers """
        use_process = self._use_process
        if use_process and sys.platform == "win32":
            logger.info("Use multi-thread reader instead of "
                        "multi-process reader on Windows.")
            use_process = False

        bufsize = self._bufsize
        if use_process:
            from .shared_queue import SharedQueue as Queue
            from multiprocessing import Process as Worker
            from multiprocessing import Event
            memsize = self._memsize
            self._inq = Queue(bufsize, memsize=memsize)
            self._outq = Queue(bufsize, memsize=memsize)
        else:
            if six.PY3:
                from queue import Queue
            else:
                from Queue import Queue
            from threading import Thread as Worker
            from threading import Event
            self._inq = Queue(bufsize)
            self._outq = Queue(bufsize)

        consumer_num = self._worker_num
        id = str(uuid.uuid4())[-3:]
        self._producer = threading.Thread(
            target=self._produce,
            args=('producer-' + id, self._source, self._inq))
        self._producer.daemon = True

        self._consumers = []
        self._consumer_endsig = {}
        for i in range(consumer_num):
            consumer_id = 'consumer-' + id + '-' + str(i)
            p = Worker(
                target=self._consume,
                args=(consumer_id, self._inq, self._outq, self._worker))
            self._consumers.append(p)
            p.daemon = True
            setattr(p, 'id', consumer_id)

        self._epoch = -1
        self._feeding_ev = Event()
        self._produced = 0  # produced sample in self._produce
        self._consumed = 0  # consumed sample in self.next
Beispiel #4
0
    def _setup(self):
        """setup input/output queues and workers """
        use_process = False
        if 'use_process' in self._worker_args:
            use_process = self._worker_args['use_process']

        bufsize = self._worker_args['bufsize']
        if use_process:
            from .shared_queue import SharedQueue as Queue
            from multiprocessing import Process as Worker
            from multiprocessing import Event
        else:
            if six.PY3:
                from queue import Queue
            else:
                from Queue import Queue
            from threading import Thread as Worker
            from threading import Event

        self._inq = Queue(bufsize)
        self._outq = Queue(bufsize)
        consumer_num = self._worker_args['worker_num']

        id = str(uuid.uuid4())[-3:]
        self._producer = threading.Thread(
            target=self._produce,
            args=('producer-' + id, self._source, self._inq))
        self._producer.daemon = True

        self._consumers = []
        for i in range(consumer_num):
            p = Worker(
                target=self._consume,
                args=('consumer-' + id + '_' + str(i), self._inq, self._outq,
                      self._mapper))
            self._consumers.append(p)
            p.daemon = True

        self._epoch = -1
        self._feeding_ev = Event()
        self._produced = 0  # produced sample in self._produce
        self._consumed = 0  # consumed sample in self.next
        self._stopped_consumers = 0
Beispiel #5
0
def crazy_callback(sleep_time):
    logging.info('sleep time is %s' % sleep_time)
    global probe
    deep_probe = 1000
    probe = 100
    tn = Worker(name='thread_of_crazy_thread',
                target=callback,
                args=(sleep_time * 2, ))
    tn.start()
    time.sleep(sleep_time)

    logging.info('and here I complete ... %s' % probe)


w1 = Worker(name='test_thread1', target=callback, args=(1, ))
w2 = Worker(name='test_thread2', target=callback, args=(1, ))
w3 = Worker(name='test_thread3', target=callback, args=(1, ))
w4 = Worker(name='crazy_thread', target=crazy_callback, args=(1, ))

w1.start()
w2.start()
w3.start()
w4.start()
w1.join()
w2.join()
w3.join()
w4.join()
w4.terminate()
# for i in range(10):
#     time.sleep(1)