349a38fa9f
vehicle receives new target velocity from orchestrator as response; at this point, this velocity is just a random float between 0 and 130;
46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
import pickle
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import sys
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from random import randrange
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from wrappers import daf
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from wrappers.message_broker_wrapper import MBWrapper
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sys.modules['daf'] = daf
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class Orchestrator:
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vins = []
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tls = []
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_daf_mbs = {}
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_velocity_mbs = {}
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def __init__(self):
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# TODO fetch available car VINs from Entity Ident
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self.vins.append('SB164ABN1PE082000')
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self.vins.append('SB999ABN1PE082111')
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# TODO fetch available TLs from Entity Ident
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self.tls.append('traffic-light-1')
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self.tls.append('traffic-light-2')
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self.tls.append('traffic-light-3')
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def setup_msg_queues(self):
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for vin in self.vins:
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daf_channel = MBWrapper(exchange_name='vehicle_daf_{}'.format(vin), callback=self.handle_daf_receive)
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daf_channel.setup_receiver()
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self._daf_mbs[vin] = daf_channel
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velocity_channel = MBWrapper(exchange_name='vehicle_velocity_{}'.format(vin))
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velocity_channel.setup_sender()
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self._velocity_mbs[vin] = velocity_channel
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def handle_daf_receive(self, msg):
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received_daf_object = pickle.loads(msg)
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print(received_daf_object)
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# TODO use the data from the traffic lights to transmit a new target velocity for this vehicle to achieve
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# a green wave
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response_channel = self._velocity_mbs[received_daf_object.vehicle_identification_number]
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response_channel.send(randrange(0, 130))
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