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https://github.com/avatao-content/baseimage-tutorial-framework
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39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
import zmq
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from functools import partial
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from zmq.eventloop import ioloop
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from zmq.eventloop.zmqstream import ZMQStream
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from .serialization import serialize_all
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from ..config import PUBLISHER_PORT, RECEIVER_PORT
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from ..util import ZMQConnectorBase
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ioloop.install()
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class ServerDownlinkConnector(ZMQConnectorBase):
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def __init__(self, zmq_context=None):
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super(ServerDownlinkConnector, self).__init__(zmq_context)
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self._zmq_sub_socket = self._zmq_context.socket(zmq.SUB)
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self._zmq_sub_socket.connect('tcp://localhost:{}'.format(PUBLISHER_PORT))
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self._zmq_sub_stream = ZMQStream(self._zmq_sub_socket)
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self.subscribe = partial(self._zmq_sub_socket.setsockopt_string, zmq.SUBSCRIBE)
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self.unsubscribe = partial(self._zmq_sub_socket.setsockopt_string, zmq.UNSUBSCRIBE)
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self.register_callback = self._zmq_sub_stream.on_recv
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class ServerUplinkConnector(ZMQConnectorBase):
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def __init__(self, zmq_context=None):
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super(ServerUplinkConnector, self).__init__(zmq_context)
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self._zmq_push_socket = self._zmq_context.socket(zmq.PUSH)
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self._zmq_push_socket.connect('tcp://localhost:{}'.format(RECEIVER_PORT))
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def send(self, anchor, response):
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self._zmq_push_socket.send_multipart(serialize_all(anchor, response))
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class ServerConnector(ServerUplinkConnector, ServerDownlinkConnector):
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def __init__(self, zmq_context=None):
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super(ServerConnector, self).__init__(zmq_context)
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