mirror of
https://github.com/avatao-content/baseimage-tutorial-framework
synced 2024-11-05 16:31:21 +00:00
32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
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import json
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from functools import partial
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import zmq
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from zmq.eventloop.zmqstream import ZMQStream
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from zmq.eventloop import ioloop
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from config import RECEIVER_PORT, PUBLISHER_PORT
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ioloop.install()
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class Component:
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def __init__(self, anchor, event_handler, zmq_context=None):
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self.anchor = anchor
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self.event_handler = event_handler
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self.zmq_context = zmq_context or zmq.Context.instance()
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self.zmq_sub_socket = self.zmq_context.socket(zmq.SUB)
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self.zmq_sub_socket.setsockopt_string(zmq.SUBSCRIBE, anchor)
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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.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 wrapper(msg_parts, handler):
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anchor, message = msg_parts
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data_json = json.loads(message)
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response = json.dumps(handler(data_json)).encode('utf-8')
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self.zmq_push_socket.send_multipart([anchor, response])
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self.zmq_sub_stream.on_recv(partial(wrapper, handler=event_handler))
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