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https://github.com/avatao-content/baseimage-tutorial-framework
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Implement message sequence numbers in ZMQWSProxy
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@ -14,6 +14,7 @@ LOG = logging.getLogger(__name__)
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class ZMQWebSocketProxy(WebSocketHandler):
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# pylint: disable=abstract-method
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instances = set()
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sequence_number = 0
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def initialize(self, **kwargs): # pylint: disable=arguments-differ
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self._event_handler_connector = kwargs['event_handler_connector']
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@ -59,14 +60,20 @@ class ZMQWebSocketProxy(WebSocketHandler):
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"""
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Invoked on ZMQ messages from event handlers.
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"""
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self.sequence_message(message)
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LOG.debug('Received on pull socket: %s', message)
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self.proxy_eventhandler_to_websocket(message)
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def sequence_message(self, message):
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self.sequence_number += 1
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message['seq'] = self.sequence_number
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def on_message(self, message):
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"""
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Invoked on WS messages from frontend.
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"""
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message = json.loads(message)
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self.sequence_message(message)
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LOG.debug('Received on WebSocket: %s', message)
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self.proxy_websocket_to_eventhandler(message)
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