本文整理汇总了Python中zmq.Poller方法的典型用法代码示例。如果您正苦于以下问题:Python zmq.Poller方法的具体用法?Python zmq.Poller怎么用?Python zmq.Poller使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类zmq
的用法示例。
在下文中一共展示了zmq.Poller方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def __init__(self, ip_address, port_range):
"""
Parameters
----------
ip_address: str
IP address of the client (where Parsl runs)
port_range: tuple(int, int)
Port range for the comms between client and interchange
"""
self.context = zmq.Context()
self.zmq_socket = self.context.socket(zmq.DEALER)
self.zmq_socket.set_hwm(0)
self.port = self.zmq_socket.bind_to_random_port("tcp://{}".format(ip_address),
min_port=port_range[0],
max_port=port_range[1])
self.poller = zmq.Poller()
self.poller.register(self.zmq_socket, zmq.POLLOUT)
示例2: run
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def run(self):
"""Start the Authentication Agent thread task"""
self.authenticator.start()
self.started.set()
zap = self.authenticator.zap_socket
poller = zmq.Poller()
poller.register(self.pipe, zmq.POLLIN)
poller.register(zap, zmq.POLLIN)
while True:
try:
socks = dict(poller.poll())
except zmq.ZMQError:
break # interrupted
if self.pipe in socks and socks[self.pipe] == zmq.POLLIN:
terminate = self._handle_pipe()
if terminate:
break
if zap in socks and socks[zap] == zmq.POLLIN:
self._handle_zap()
self.pipe.close()
self.authenticator.stop()
示例3: test_subscribe_method
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def test_subscribe_method(self):
pub, sub = self.create_bound_pair(zmq.PUB, zmq.SUB)
sub.subscribe('prefix')
sub.subscribe = 'c'
p = zmq.Poller()
p.register(sub, zmq.POLLIN)
# wait for subscription handshake
for i in range(100):
pub.send(b'canary')
events = p.poll(250)
if events:
break
self.recv(sub)
pub.send(b'prefixmessage')
msg = self.recv(sub)
self.assertEqual(msg, b'prefixmessage')
sub.unsubscribe('prefix')
pub.send(b'prefixmessage')
events = p.poll(1000)
self.assertEqual(events, [])
# Travis can't handle how much memory PyPy uses on this test
示例4: test_timeout
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def test_timeout(self):
"""make sure Poller.poll timeout has the right units (milliseconds)."""
s1, s2 = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
poller = self.Poller()
poller.register(s1, zmq.POLLIN)
tic = time.time()
evt = poller.poll(.005)
toc = time.time()
self.assertTrue(toc-tic < 0.1)
tic = time.time()
evt = poller.poll(5)
toc = time.time()
self.assertTrue(toc-tic < 0.1)
self.assertTrue(toc-tic > .001)
tic = time.time()
evt = poller.poll(500)
toc = time.time()
self.assertTrue(toc-tic < 1)
self.assertTrue(toc-tic > 0.1)
示例5: _DWX_ZMQ_SHUTDOWN_
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def _DWX_ZMQ_SHUTDOWN_(self):
# Set INACTIVE
self._ACTIVE = False
# Get all threads to shutdown
if self._MarketData_Thread is not None:
self._MarketData_Thread.join()
if self._PUSH_Monitor_Thread is not None:
self._PUSH_Monitor_Thread.join()
if self._PULL_Monitor_Thread is not None:
self._PULL_Monitor_Thread.join()
# Unregister sockets from Poller
self._poller.unregister(self._PULL_SOCKET)
self._poller.unregister(self._SUB_SOCKET)
print("\n++ [KERNEL] Sockets unregistered from ZMQ Poller()! ++")
# Terminate context
self._ZMQ_CONTEXT.destroy(0)
print("\n++ [KERNEL] ZeroMQ Context Terminated.. shut down safely complete! :)")
##########################################################################
示例6: support_test_send_to_multiple_addresses
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def support_test_send_to_multiple_addresses(self, address1, address2):
poller = zmq.Poller()
socket1 = self.context.socket(roles['listener'])
socket2 = self.context.socket(roles['listener'])
try:
socket1.bind("tcp://%s" % address1)
socket2.bind("tcp://%s" % address2)
poller.register(socket1, zmq.POLLIN)
poller.register(socket2, zmq.POLLIN)
polled = dict(poller.poll(2000))
if socket1 in polled:
socket1.recv()
socket1.send(nw0.sockets._serialise(address1))
elif socket2 in polled:
socket2.recv()
socket2.send(nw0.sockets._serialise(address2))
else:
raise RuntimeError("Nothing found")
finally:
socket1.close()
socket2.close()
示例7: __init__
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def __init__(self, socket, io_loop=None):
self.socket = socket
self.io_loop = io_loop or IOLoop.instance()
self.poller = zmq.Poller()
self._send_queue = Queue()
self._recv_callback = None
self._send_callback = None
self._close_callback = None
self._recv_copy = False
self._flushed = False
self._state = self.io_loop.ERROR
self._init_io_state()
# shortcircuit some socket methods
self.bind = self.socket.bind
self.bind_to_random_port = self.socket.bind_to_random_port
self.connect = self.socket.connect
self.setsockopt = self.socket.setsockopt
self.getsockopt = self.socket.getsockopt
self.setsockopt_string = self.socket.setsockopt_string
self.getsockopt_string = self.socket.getsockopt_string
self.setsockopt_unicode = self.socket.setsockopt_unicode
self.getsockopt_unicode = self.socket.getsockopt_unicode
示例8: _abort_queue
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def _abort_queue(self, stream):
poller = zmq.Poller()
poller.register(stream.socket, zmq.POLLIN)
while True:
idents,msg = self.session.recv(stream, zmq.NOBLOCK, content=True)
if msg is None:
return
self.log.info("Aborting:")
self.log.info("%s", msg)
msg_type = msg['header']['msg_type']
reply_type = msg_type.split('_')[0] + '_reply'
status = {'status' : 'aborted'}
md = {'engine' : self.ident}
md.update(status)
reply_msg = self.session.send(stream, reply_type, metadata=md,
content=status, parent=msg, ident=idents)
self.log.debug("%s", reply_msg)
# We need to wait a bit for requests to come in. This can probably
# be set shorter for true asynchronous clients.
poller.poll(50)
示例9: __init__
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def __init__(self, exchange='', addr='ipc:///tmp/feed.ipc', timeout=30):
"""
:param period: int: Data sampling period
:param pairs: list: Pair symbols to trade
:param exchange: str: FeedDaemon exchange to query
:param addr: str: Client socked address
:param timeout: int:
"""
super(DataFeed, self).__init__()
# Sock objects
self.context = zmq.Context()
self.addr = addr
self.exchange = exchange
self.timeout = timeout * 1000
self.sock = self.context.socket(zmq.REQ)
self.sock.connect(addr)
self.poll = zmq.Poller()
self.poll.register(self.sock, zmq.POLLIN)
示例10: __init__
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def __init__(self, port, pipeline=100, host='localhost', log_file=None):
"""Create a new ZMQDealer object.
"""
context = zmq.Context.instance()
# noinspection PyUnresolvedReferences
self.socket = context.socket(zmq.DEALER)
self.socket.hwm = pipeline
self.socket.connect('tcp://%s:%d' % (host, port))
self._log_file = log_file
self.poller = zmq.Poller()
# noinspection PyUnresolvedReferences
self.poller.register(self.socket, zmq.POLLIN)
if self._log_file is not None:
self._log_file = Path(self._log_file).resolve()
# If log file directory does not exists, create it
log_dir: Path = self._log_file.parent
log_dir.mkdir(parents=True, exist_ok=True)
# time stamp the file
now = datetime.now()
time_stamp = now.strftime('%Y%m%d_%H%M%S%f')
ext = self._log_file.suffix
self._log_file = str(log_dir / f'{self._log_file.stem}_{time_stamp}{ext}')
示例11: __init__
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def __init__(self, port, topic='', timeout=0.01):
""" Constructs the Listener object with a subscriber port
over which to listen for messages
:param port: TCP port to listen on
:param topic: Topic to listen on
:param timeout: Timeout in seconds to recheck stop flag
"""
super().__init__()
self.port = port
self.topic = topic
self.context = zmq.Context()
log.debug("%s has ZMQ Context: %r" % (self.__class__.__name__, self.context))
self.subscriber = self.context.socket(zmq.SUB)
self.subscriber.connect('tcp://localhost:%d' % port)
self.subscriber.setsockopt(zmq.SUBSCRIBE, topic.encode())
log.info("%s connected to '%s' topic on tcp://localhost:%d" % (
self.__class__.__name__, topic, port))
self.poller = zmq.Poller()
self.poller.register(self.subscriber, zmq.POLLIN)
self.timeout = timeout
示例12: run
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def run(self):
""" Contents of the infinite loop. """
# Create zmq sockets
sockets = SupvisorsZmq(self.supvisors)
# create poller
poller = zmq.Poller()
# register sockets
poller.register(sockets.internal_subscriber.socket, zmq.POLLIN)
poller.register(sockets.puller.socket, zmq.POLLIN)
# poll events forever
while not self.stopping():
socks = dict(poller.poll(500))
# test stop condition again: if Supervisor is stopping,
# any XML-RPC call would block this thread, and the other
# because of the join
if not self.stopping():
self.check_requests(sockets, socks)
self.check_events(sockets.internal_subscriber, socks)
# close resources gracefully
poller.unregister(sockets.puller.socket)
poller.unregister(sockets.internal_subscriber.socket)
sockets.close()
示例13: check_trigger
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def check_trigger(self):
""" Wait to receive the json file and reply with the duration of the
experiment. Then, to the `queue_trigger_params` the received dict,
so that the `Experiment` can store it with the rest of the data.
"""
poller = zmq.Poller()
poller.register(self.zmq_socket, zmq.POLLIN)
try:
self.protocol_duration = self.duration_queue.get(timeout=0.0001)
print(self.protocol_duration)
except Empty:
pass
if poller.poll(10):
self.scope_config = self.zmq_socket.recv_json()
self.device_params_queue.put(self.scope_config)
self.zmq_socket.send_json(self.protocol_duration)
return True
else:
return False
示例14: _open_zmq_connection
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def _open_zmq_connection(self):
'''
Connects to the raspberry via zmq/tcp
Input:
None
Output:
None
'''
self.context = zmq.Context(1)
print("Connecting to Raspberry Pi")
self.client = self.context.socket(zmq.REQ)
self.client.connect("tcp://%s:%s"%(self._address,self._port)) # raspi address
self.poll = zmq.Poller()
self.poll.register(self.client, zmq.POLLIN)
示例15: subscribe
# 需要导入模块: import zmq [as 别名]
# 或者: from zmq import Poller [as 别名]
def subscribe(self):
if self.redis_sub:
for msg in self.subscribers.listen():
if msg.get('data', None) is not None:
yield msg['data']
elif self.zmq_sub:
# Initialize poll set
poller = zmq.Poller()
for subscriber in self.subscribers:
poller.register(subscriber, zmq.POLLIN)
while True:
socks = dict(poller.poll())
for subscriber in self.subscribers:
if subscriber in socks:
message = subscriber.recv()
yield message.split(b' ', 1)[1]
else:
raise Exception('No subscribe function defined')