2018-04-03 12:49:14 +00:00
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# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
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# All Rights Reserved. See LICENSE file for details.
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2018-01-31 14:50:52 +00:00
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from functools import partial
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2018-03-25 13:43:59 +00:00
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import zmq
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2018-01-24 17:19:49 +00:00
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from zmq.eventloop.zmqstream import ZMQStream
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2018-03-25 14:36:31 +00:00
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from tfw.config import TFWENV
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2018-06-29 09:50:36 +00:00
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from tfw.config.logs import logging
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2019-05-27 12:09:13 +00:00
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from .scope import Scope
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from .serialization import serialize_tfw_msg, with_deserialize_tfw_msg
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2018-06-29 09:50:36 +00:00
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LOG = logging.getLogger(__name__)
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2018-01-31 14:50:52 +00:00
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2018-01-24 17:19:49 +00:00
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2019-05-27 18:02:09 +00:00
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class ServerDownlinkConnector():
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def __init__(self):
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self._zmq_sub_socket = zmq.Context.instance().socket(zmq.SUB)
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2019-05-27 18:11:03 +00:00
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self._zmq_sub_socket.connect(f'tcp://localhost:{TFWENV.PUB_PORT}')
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2019-05-21 11:55:28 +00:00
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self._zmq_sub_socket.setsockopt(zmq.RCVHWM, 0)
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2018-01-24 17:19:49 +00:00
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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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2018-06-29 09:50:36 +00:00
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def register_callback(self, callback):
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callback = with_deserialize_tfw_msg(callback)
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self._zmq_sub_stream.on_recv(callback)
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2018-01-26 14:16:34 +00:00
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2019-05-20 09:06:57 +00:00
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def close(self):
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self._zmq_sub_stream.close()
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2018-01-29 15:07:36 +00:00
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2019-05-27 18:02:09 +00:00
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class ServerUplinkConnector():
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def __init__(self):
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self._zmq_push_socket = zmq.Context.instance().socket(zmq.PUSH)
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2019-05-27 18:11:03 +00:00
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self._zmq_push_socket.connect(f'tcp://localhost:{TFWENV.PULL_PORT}')
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2019-05-21 11:55:28 +00:00
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self._zmq_push_socket.setsockopt(zmq.SNDHWM, 0)
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2018-01-29 15:07:36 +00:00
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2019-05-26 16:26:33 +00:00
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def send_message(self, message, scope=Scope.ZMQ):
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message['scope'] = scope.value
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2018-04-13 14:35:30 +00:00
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self._zmq_push_socket.send_multipart(serialize_tfw_msg(message))
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2018-01-29 15:07:36 +00:00
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2019-05-20 09:06:57 +00:00
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def close(self):
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self._zmq_push_socket.close()
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2018-01-29 15:07:36 +00:00
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class ServerConnector(ServerUplinkConnector, ServerDownlinkConnector):
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2019-05-27 18:02:09 +00:00
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def __init__(self):
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ServerUplinkConnector.__init__(self)
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ServerDownlinkConnector.__init__(self)
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2019-05-20 09:06:57 +00:00
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def close(self):
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ServerUplinkConnector.close(self)
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ServerDownlinkConnector.close(self)
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