2019-06-10 13:32:45 +00:00
|
|
|
import logging
|
|
|
|
|
2017-11-27 17:16:35 +00:00
|
|
|
import zmq
|
|
|
|
from zmq.eventloop.zmqstream import ZMQStream
|
|
|
|
|
2019-05-27 12:09:13 +00:00
|
|
|
from .serialization import serialize_tfw_msg, with_deserialize_tfw_msg
|
|
|
|
|
2018-03-25 14:06:59 +00:00
|
|
|
LOG = logging.getLogger(__name__)
|
2017-11-27 17:16:35 +00:00
|
|
|
|
2018-01-29 17:36:29 +00:00
|
|
|
|
2019-07-30 13:17:29 +00:00
|
|
|
class ZMQDownlinkListener:
|
2019-06-04 11:58:03 +00:00
|
|
|
def __init__(self, bind_addr):
|
2019-05-27 18:02:09 +00:00
|
|
|
self._zmq_pull_socket = zmq.Context.instance().socket(zmq.PULL)
|
2019-05-21 11:57:56 +00:00
|
|
|
self._zmq_pull_socket.setsockopt(zmq.RCVHWM, 0)
|
2018-01-29 14:28:51 +00:00
|
|
|
self._zmq_pull_stream = ZMQStream(self._zmq_pull_socket)
|
2019-06-04 11:58:03 +00:00
|
|
|
self._zmq_pull_socket.bind(bind_addr)
|
|
|
|
LOG.debug('Pull socket bound to %s', bind_addr)
|
2017-11-27 17:16:35 +00:00
|
|
|
|
2019-05-21 11:44:02 +00:00
|
|
|
def register_callback(self, callback):
|
|
|
|
callback = with_deserialize_tfw_msg(callback)
|
|
|
|
self._zmq_pull_stream.on_recv(callback)
|
|
|
|
|
2019-05-21 11:59:42 +00:00
|
|
|
def close(self):
|
|
|
|
self._zmq_pull_stream.close()
|
|
|
|
|
2017-11-27 17:16:35 +00:00
|
|
|
|
2019-07-30 13:17:29 +00:00
|
|
|
class ZMQUplinkListener:
|
2019-06-04 11:58:03 +00:00
|
|
|
def __init__(self, bind_addr):
|
2019-05-27 18:02:09 +00:00
|
|
|
self._zmq_pub_socket = zmq.Context.instance().socket(zmq.PUB)
|
2019-05-21 11:57:56 +00:00
|
|
|
self._zmq_pub_socket.setsockopt(zmq.SNDHWM, 0)
|
2019-06-04 11:58:03 +00:00
|
|
|
self._zmq_pub_socket.bind(bind_addr)
|
|
|
|
LOG.debug('Pub socket bound to %s', bind_addr)
|
2017-11-27 17:16:35 +00:00
|
|
|
|
2018-04-13 18:33:35 +00:00
|
|
|
def send_message(self, message: dict):
|
2018-04-13 17:57:04 +00:00
|
|
|
self._zmq_pub_socket.send_multipart(serialize_tfw_msg(message))
|
2019-05-21 11:44:02 +00:00
|
|
|
|
2019-05-21 11:59:42 +00:00
|
|
|
def close(self):
|
|
|
|
self._zmq_pub_socket.close()
|
|
|
|
|
2019-05-21 11:44:02 +00:00
|
|
|
|
2019-07-30 13:17:29 +00:00
|
|
|
class ZMQListener(ZMQDownlinkListener, ZMQUplinkListener):
|
2019-06-04 11:58:03 +00:00
|
|
|
def __init__(self, downlink_bind_addr, uplink_bind_addr):
|
2019-07-30 13:17:29 +00:00
|
|
|
ZMQDownlinkListener.__init__(self, downlink_bind_addr)
|
|
|
|
ZMQUplinkListener.__init__(self, uplink_bind_addr)
|
2019-05-27 18:02:09 +00:00
|
|
|
|
2019-05-21 11:59:42 +00:00
|
|
|
def close(self):
|
2019-07-30 13:17:29 +00:00
|
|
|
ZMQDownlinkListener.close(self)
|
|
|
|
ZMQUplinkListener.close(self)
|