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https://github.com/avatao-content/baseimage-tutorial-framework
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31 lines
928 B
Python
31 lines
928 B
Python
import logging
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from tornado.web import Application
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from tfw.internals.networking import EventHandlerConnector
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from tfw.internals.server import ZMQWebSocketRouter
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from tfw.config import TFWENV
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LOG = logging.getLogger(__name__)
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class TFWServer:
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"""
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This class handles the proxying of messages between the frontend and event handers.
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It proxies messages from the "/ws" route to all event handlers subscribed to a ZMQ
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SUB socket.
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"""
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def __init__(self):
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self._event_handler_connector = EventHandlerConnector(
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downlink_bind_addr=f'tcp://*:{TFWENV.PULL_PORT}',
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uplink_bind_addr=f'tcp://*:{TFWENV.PUB_PORT}'
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)
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self.application = Application([(
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r'/ws', ZMQWebSocketRouter, {
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'event_handler_connector': self._event_handler_connector,
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}
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)])
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def listen(self):
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self.application.listen(TFWENV.WEB_PORT)
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