141 lines
6.1 KiB
Python
141 lines
6.1 KiB
Python
#!/usr/bin/env python
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from threading import Thread, Lock
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import sys
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import time
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from aman.com import Weather
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from aman.com.Euroscope import Euroscope
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from aman.config.Airport import Airport
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from aman.config.AirportSequencing import AirportSequencing
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from aman.sys.aco.Colony import Colony
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from aman.sys.aco.Configuration import Configuration
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from aman.sys.aco.Node import Node
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from aman.sys.WeatherModel import WeatherModel
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from aman.sys.RecedingHorizonControl import RecedingHorizonControl
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from aman.types.Inbound import Inbound
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from aman.types.PerformanceData import PerformanceData
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class Worker(Thread):
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def __init__(self, icao : str, configuration : Airport, weather : Weather,
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performance : PerformanceData, euroscope : Euroscope):
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Thread.__init__(self)
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self.StopThread = None
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self.Icao = icao
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self.Configuration = configuration
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self.SequencingConfiguration = configuration.DefaultSequencing
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self.PerformanceData = performance
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self.UpdateLock = Lock()
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self.ReportQueue = {}
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if None != weather:
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self.WeatherModel = WeatherModel(configuration.GaforId, weather)
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else:
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self.WeatherModel = WeatherModel(0, None)
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self.RecedingHorizonControl = RecedingHorizonControl(configuration.RecedingHorizonControl)
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self.Euroscope = euroscope
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# merge the constraint information with the GNG information
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for runway in self.Configuration.GngData.ArrivalRoutes:
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for star in self.Configuration.GngData.ArrivalRoutes[runway]:
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for name in self.Configuration.ArrivalRouteConstraints:
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if name == star.Name:
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for constraint in self.Configuration.ArrivalRouteConstraints[name]:
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foundWaypoint = False
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for waypoint in star.Route:
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if constraint.Name == waypoint.Name:
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waypoint.Altitude = constraint.Altitude
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waypoint.Speed = constraint.Speed
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waypoint.BaseTurn = constraint.BaseTurn
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waypoint.FinalTurn = constraint.FinalTurn
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foundWaypoint = True
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break
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if False == foundWaypoint:
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sys.stderr.write('Unable to find ' + constraint.Name + ' in ' + name)
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sys.exit(-1)
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break
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self.setDaemon(True)
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self.start()
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def acquireLock(self):
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if None != self.UpdateLock:
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self.UpdateLock.acquire()
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def releaseLock(self):
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if None != self.UpdateLock:
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self.UpdateLock.release()
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def run(self):
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counter = 0
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while None == self.StopThread:
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time.sleep(1)
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counter += 1
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if 0 != (counter % 60):
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continue
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self.acquireLock()
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# perform some book-keeping
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self.RecedingHorizonControl.cleanupWindows()
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# update the aircraft information in RHC
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for callsign in self.ReportQueue:
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report = self.ReportQueue[callsign]
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if 0 != report.distanceToIAF and '' != report.initialApproachFix:
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inbound = Inbound(report, self.PerformanceData)
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Node(inbound, inbound.ReportTime, self.WeatherModel, self.Configuration, self.SequencingConfiguration)
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if None != inbound.InitialArrivalTime:
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self.RecedingHorizonControl.updateReport(inbound)
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else:
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print('Unable to find all data of ' + report.aircraft.callsign)
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self.ReportQueue.clear()
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# search the ACO relevant aircrafts
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relevantInbounds, earliestArrivalTime = self.RecedingHorizonControl.optimizationRelevantInbounds()
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if None != relevantInbounds:
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start = time.process_time()
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# get the last landing aircrafts per runway before the RHC stage to check for constraints
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# this is required to handle the overlap between windows
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preceedingInbounds = {}
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for runway in self.SequencingConfiguration.ActiveArrivalRunways:
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inbound = self.RecedingHorizonControl.lastFixedInboundOnRunway(runway.Runway.Name)
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if None != inbound:
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preceedingInbounds[runway.Runway.Name] = Node(inbound, None, None, None, None)
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# configure the ACO run
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acoConfig = Configuration(constraints = self.SequencingConfiguration, config = self.Configuration,
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earliest = earliestArrivalTime, weather = self.WeatherModel,
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preceeding = None if 0 == len(preceedingInbounds) else preceedingInbounds,
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ants = 5 * len(relevantInbounds), generations = 5 * len(relevantInbounds))
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# perform the ACO run
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aco = Colony(relevantInbounds, acoConfig)
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aco.optimize()
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if None != aco.Result:
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for node in aco.Result:
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self.RecedingHorizonControl.resequenceInbound(node.Inbound)
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# measure the exuction time of the overall optimization process
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executionTime = time.process_time() - start
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if 60.0 <= executionTime:
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print('Optimized ' + str(len(aco.Result)) + ' inbounds in ' + str(executionTime) + ' seconds')
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self.releaseLock()
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def inboundSequence(self):
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self.acquireLock()
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sequence = self.RecedingHorizonControl.sequence()
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self.releaseLock()
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return sequence
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def configure(self, configuration : AirportSequencing):
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self.acquireLock()
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self.SequencingConfiguration = configuration
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self.releaseLock()
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