Python SocketManager.recv_safe方法代码示例

# 需要导入模块: from agentzero.core import SocketManager [as 别名]
# 或者: from agentzero.core.SocketManager import recv_safe [as 别名]
def test_socket_manager_recv_safe_not_ready(wait_until_ready):
    ("SocketManager().recv_safe() should return None when the socket is not ready")

    # Background: wait_until_ready is mocked to return None
    wait_until_ready.return_value = None

    # Given a zmq mock
    zmq = Mock()

    # And a context
    context = Mock()

    # And a serializer
    serializer = Mock(name='serializer')

    # And a socket manager
    manager = SocketManager(zmq, context, serialization_backend=serializer)

    # When I call .recv_safe()
    result = manager.recv_safe('foobar')

    # Then it should never had anything to unpack
    serializer.unpack.called.should.be.false

    # And the result should be None
    result.should.be.none

# 需要导入模块: from agentzero.core import SocketManager [as 别名]
# 或者: from agentzero.core.SocketManager import recv_safe [as 别名]
def test_socket_manager_recv_safe(wait_until_ready):
    ("SocketManager().recv_safe() should deserialize "
     "after receiving, using the configured backend")

    # Background: wait_until_ready is mocked to return the socket
    wait_until_ready.side_effect = lambda name, *args: manager.sockets[name]

    # Given a zmq mock
    zmq = Mock()

    # And a context
    context = Mock()

    # And a serializer
    serializer = Mock(name='serializer')

    # And a socket manager
    manager = SocketManager(zmq, context, serialization_backend=serializer)

    # And a socket
    socket = manager.create('foobar', zmq.REP)

    # When I call .recv_safe()
    result = manager.recv_safe('foobar')

    # Then it should have unpacked the payload after receiving
    serializer.unpack.assert_called_once_with(socket.recv.return_value)

    # And the result should be the unpacked value
    result.should.equal(serializer.unpack.return_value)

# 需要导入模块: from agentzero.core import SocketManager [as 别名]
# 或者: from agentzero.core.SocketManager import recv_safe [as 别名]
class Step(object):
    def __init__(self, pull_bind_address='tcp://127.0.0.1', subscriber_connect_address='tcp://127.0.0.1:6000', concurrency=100, timeout=1):
        self.context = zmq.Context()
        self.sockets = SocketManager(zmq, self.context)
        self.sockets.create('pull-in', zmq.PULL)
        # self.sockets.set_socket_option('pull-in', zmq.RCVHWM, concurrency)
        self.sockets.create('events', zmq.PUB)
        self.name = self.__class__.__name__
        self.subscriber_connect_address = subscriber_connect_address
        self._allowed_to_run = True
        self.pool = gevent.pool.Pool(concurrency + 1)
        self.timeout = timeout
        self.pull_bind_address = pull_bind_address
        self.id = str(uuid.uuid4())
        self.logger = self.sockets.get_logger('events', 'logs', 'logs')

    def listen(self):
        _, self.address = self.sockets.bind_to_random_port('pull-in', zmq.POLLIN, local_address=self.pull_bind_address)
        gevent.sleep(1)

    def connect(self):
        self.sockets.connect('events', self.subscriber_connect_address, zmq.POLLOUT)
        gevent.sleep(1)
        self.notify_available()

    def notify_available(self):
        self.send_event('available', self.to_dict())

    def should_run(self):
        gevent.sleep(0.1)
        return self._allowed_to_run

    def send_event(self, name, data):
        self.sockets.publish_safe('events', name, data)

    def dispatch(self, job):
        try:
            start = time.time()
            job['job_started_at'] = start
            self.send_event('job:started', job)
            job['instructions'] = self.execute(job['instructions'])
            job['job_finished_at'] = time.time()
            self.logger.info("done processing %s", job)

        except Exception as e:
            job['job_finished_at'] = time.time()
            job['error'] = serialized_exception(e)
            self.send_event('job:error', job)
            job['success'] = False
            self.send_event('job:failed', job)
            self.logger.exception('failed to execute job {id}'.format(**dict(job)))
        finally:
            end = time.time()
            job['end'] = end

        if job.get('instructions'):
            self.send_event('job:success', job)

        else:
            self.send_event('job:failed', job)

    def to_dict(self):
        return dict(
            id=self.id,
            address=self.address,
            job_type=self.job_type,
            step_name=self.name,
        )

    def loop(self):
        self.listen()
        self.connect()
        self.logger.info('listening for jobs on %s', self.address)
        while self.should_run():
            if self.pool.free_count() == 0:
                self.logger.info('waiting for an execution slot')
                self.pool.wait_available()

            job = self.sockets.recv_safe('pull-in')

            if job:
                self.logger.info('received job')
                self.pool.spawn(self.dispatch, job)
            else:
                self.notify_available()
                gevent.sleep(1)

# 需要导入模块: from agentzero.core import SocketManager [as 别名]
# 或者: from agentzero.core.SocketManager import recv_safe [as 别名]

#.........这里部分代码省略.........
    def bind_action(self, name, method=None):
        action = getattr(self.actions, name, None)
        if not action:
            raise KeyError('undefined action: {0}'.format(name))

        method = method or getattr(self, 'on_{0}'.format(name), None)
        if not method:
            raise TypeError('{0} does not have method {1}(self, topic, data)'.format(self.__class__, name))

        action(lambda _, event: self.spawn(method, event))

    def should_run(self):
        return self._allowed_to_run

    def listen(self, subscriber_bind_address='tcp://127.0.0.1:6000', pull_bind_address='tcp://127.0.0.1:7000'):
        self.sockets.bind('step-events', subscriber_bind_address, zmq.POLLIN)
        self.sockets.bind('jobs-in', pull_bind_address, zmq.POLLIN)
        self.logger.info('listening for events on %s', subscriber_bind_address)
        self.logger.info('listening for instructions on %s', pull_bind_address)

    def route_event(self, event):
        if not event:
            return

        ROUTES = {
            re.compile(r'available'): self.actions.available,
            re.compile(r'failed'): self.actions.failed,
            re.compile(r'success'): self.actions.success,
            re.compile(r'started'): self.actions.started,
            re.compile(r'metric'): self.actions.metric,
            re.compile(r'logs'): self.actions.logs,
            re.compile(r'error'): self.actions.error,
        }
        matched = False
        for regex, action in ROUTES.items():
            if regex.search(event.topic):
                action.shout(event)
                matched = True

        if not matched:
            print 'unmatched event', event.topic, event.data

    def drain_jobs_in(self):
        while self.should_run():
            data = self.sockets.recv_safe('jobs-in')
            if not data:
                gevent.sleep(0)
                continue

            job = Job.new(data)
            self.backend.enqueue_job(job)
            gevent.sleep(0)

    def drain_jobs_out(self):
        iteration = -1
        while self.should_run():
            iteration += 1

            index = iteration % len(self.steps)

            job_type = self.steps[index]
            worker = self.backend.get_next_available_worker_for_type(job_type)

            if not worker:
                gevent.sleep(0)
                continue

            job = self.backend.dequeue_job_of_type(job_type)
            if not job:
                gevent.sleep(0)
                continue

            self.sockets.send_safe(worker.job_type, job.to_dict())
            gevent.sleep(0)

    def spawn(self, *args, **kw):
        self.greenlets.append(
            self.pool.spawn(*args, **kw)
        )

    def idle(self):
        gevent.sleep(0)

    def loop(self):
        self.listen()
        self.spawn(self.drain_events)
        self.spawn(self.drain_jobs_in)
        self.spawn(self.drain_jobs_out)
        while self.should_run():
            gevent.sleep(5)

    def drain_events(self):
        # drain events
        while self.should_run():
            event = self.sockets.recv_event_safe('step-events')
            if event:
                self.route_event(event)
                gevent.sleep(0)
            else:
                self.idle()