2017-11-27 17:16:35 +00:00
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import zmq
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from zmq.eventloop.zmqstream import ZMQStream
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2018-03-25 13:43:59 +00:00
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from tfw.networking.zmq_connector_base import ZMQConnectorBase
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2018-02-06 13:19:41 +00:00
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from tfw.networking.serialization import serialize_all
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2018-02-09 08:58:47 +00:00
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from tfw.config import tfwenv
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2018-02-06 13:19:41 +00:00
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from tfw.config.logs import logging
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2018-03-25 14:06:59 +00:00
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LOG = logging.getLogger(__name__)
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2017-11-27 17:16:35 +00:00
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2018-01-29 17:36:29 +00:00
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2018-01-29 14:28:51 +00:00
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class EventHandlerDownlinkConnector(ZMQConnectorBase):
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def __init__(self, zmq_context=None):
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2018-01-29 15:02:52 +00:00
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super(EventHandlerDownlinkConnector, self).__init__(zmq_context)
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2018-01-29 14:28:51 +00:00
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self._zmq_pull_socket = self._zmq_context.socket(zmq.PULL)
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self._zmq_pull_stream = ZMQStream(self._zmq_pull_socket)
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2018-02-09 08:58:47 +00:00
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address = 'tcp://*:{}'.format(tfwenv.RECEIVER_PORT)
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2018-01-29 14:28:51 +00:00
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self._zmq_pull_socket.bind(address)
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2018-03-25 14:06:59 +00:00
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LOG.debug('Pull socket bound to {}'.format(address))
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2017-11-27 17:16:35 +00:00
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2018-01-29 14:28:51 +00:00
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class EventHandlerUplinkConnector(ZMQConnectorBase):
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def __init__(self, zmq_context=None):
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2018-01-29 15:02:52 +00:00
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super(EventHandlerUplinkConnector, self).__init__(zmq_context)
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2018-01-29 14:28:51 +00:00
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self._zmq_pub_socket = self._zmq_context.socket(zmq.PUB)
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2018-02-09 08:58:47 +00:00
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address = 'tcp://*:{}'.format(tfwenv.PUBLISHER_PORT)
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2018-01-29 14:28:51 +00:00
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self._zmq_pub_socket.bind(address)
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2018-03-25 14:06:59 +00:00
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LOG.debug('Pub socket bound to {}'.format(address))
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2017-11-27 17:16:35 +00:00
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2018-01-29 14:28:51 +00:00
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class EventHandlerConnector(EventHandlerDownlinkConnector, EventHandlerUplinkConnector):
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def register_callback(self, callback):
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2018-01-29 15:02:52 +00:00
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self._zmq_pull_stream.on_recv(callback)
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2018-01-29 14:28:51 +00:00
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2018-02-21 14:28:16 +00:00
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def send_message(self, message: dict, key: str = None):
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2018-03-21 16:23:18 +00:00
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if not key: key = message.get('key', '')
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2018-02-21 14:28:16 +00:00
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self._zmq_pub_socket.send_multipart(serialize_all(key, message))
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