Best Coyote code snippet using Microsoft.Coyote.Samples.CoffeeMachineTasks.CoffeeMachine.TerminateAsync
CoffeeMachine.cs
Source:CoffeeMachine.cs
...26 /// <summary>27 /// Reboot the coffee machine!28 /// </summary>29 /// <returns>An async task.</returns>30 Task TerminateAsync();31 }32 /// <summary>33 /// Implementation of the ICoffeeMachine interface.34 /// </summary>35 internal class CoffeeMachine : ICoffeeMachine36 {37 private readonly object SyncObject = new object();38 private bool Initialized;39 private ISensors Sensors;40 private bool Heating;41 private double? WaterLevel;42 private double? HopperLevel;43 private bool? DoorOpen;44 private double? PortaFilterCoffeeLevel;45 private double? WaterTemperature;46 private int ShotsRequested;47 private double PreviousShotCount;48 private bool RefillRequired;49 private string Error;50 private bool Halted;51 private TaskCompletionSource<bool> ShotCompleteSource;52 private readonly LogWriter Log = LogWriter.Instance;53 public async Task<bool> InitializeAsync(ISensors sensors)54 {55 this.Log.WriteLine("initializing...");56 lock (this.SyncObject)57 {58 this.Sensors = sensors;59 this.RegisterSensorEvents(false);60 this.RegisterSensorEvents(true);61 }62 await this.CheckSensors();63 this.Initialized = !this.RefillRequired && string.IsNullOrEmpty(this.Error);64 return this.Initialized;65 }66 public async Task<string> MakeCoffeeAsync(int shots)67 {68 if (!this.Initialized)69 {70 throw new Exception("Please make sure InitializeAsync returns true.");71 }72 if (this.Halted)73 {74 return "Ignoring MakeCoffeeAsync on halted Coffee machine";75 }76 Specification.Monitor<LivenessMonitor>(new LivenessMonitor.BusyEvent());77 if (!this.RefillRequired && !this.Halted)78 {79 // Make sure water is hot enough.80 await this.StartHeatingWater();81 }82 this.Log.WriteLine($"Coffee requested, shots={shots}");83 this.ShotsRequested = shots;84 // Grind beans until porta filter is full. Turn on shot button for desired time dump the85 // grinds, while checking for error conditions, e.g. out of water or coffee beans.86 if (!this.RefillRequired && !this.Halted)87 {88 await this.GrindBeans();89 }90 if (!this.RefillRequired && !this.Halted)91 {92 await this.MakeShotsAsync();93 }94 await this.CleanupAsync();95 if (this.Halted)96 {97 return "<halted>";98 }99 return this.Error;100 }101 public async Task CheckSensors()102 {103 this.Log.WriteLine("checking initial state of sensors...");104 // When this state machine starts it has to figure out the state of the sensors.105 if (!await this.Sensors.GetPowerSwitchAsync())106 {107 // Coffee machine was off, so this is the easy case, simply turn it on!108 await this.Sensors.SetPowerSwitchAsync(true);109 }110 // Make sure grinder, shot maker and water heater are off.111 await this.Sensors.SetGrinderButtonAsync(false);112 await this.Sensors.SetShotButtonAsync(false);113 await this.Sensors.SetWaterHeaterButtonAsync(false);114 // Need to check water and hopper levels and if the porta filter115 // has coffee in it we need to dump those grinds.116 await this.CheckWaterLevelAsync();117 await this.CheckHopperLevelAsync();118 await this.CheckPortaFilterCoffeeLevelAsync();119 await this.CheckDoorOpenAsync();120 }121 private async Task CheckWaterLevelAsync()122 {123 this.WaterLevel = await this.Sensors.GetWaterLevelAsync();124 this.Log.WriteLine("Water level is {0} %", (int)this.WaterLevel.Value);125 if ((int)this.WaterLevel.Value <= 0)126 {127 this.OnRefillRequired("is out of water");128 }129 }130 private async Task CheckHopperLevelAsync()131 {132 this.HopperLevel = await this.Sensors.GetHopperLevelAsync();133 this.Log.WriteLine("Hopper level is {0} %", (int)this.HopperLevel.Value);134 if ((int)this.HopperLevel.Value == 0)135 {136 this.OnRefillRequired("out of coffee beans");137 }138 }139 private async Task CheckPortaFilterCoffeeLevelAsync()140 {141 this.PortaFilterCoffeeLevel = await this.Sensors.GetPortaFilterCoffeeLevelAsync();142 if (this.PortaFilterCoffeeLevel > 0)143 {144 // Dump these grinds because they could be old, we have no idea how long145 // the coffee machine was off (no real time clock sensor).146 this.Log.WriteLine("Dumping old smelly grinds!");147 await this.Sensors.SetDumpGrindsButtonAsync(true);148 }149 }150 private async Task CheckDoorOpenAsync()151 {152 this.DoorOpen = await this.Sensors.GetReadDoorOpenAsync();153 if (this.DoorOpen.Value != false)154 {155 this.Log.WriteLine("Cannot safely operate coffee machine with the door open!");156 this.OnError();157 }158 }159 private async Task StartHeatingWater()160 {161 if (!this.Halted)162 {163 // Start heater and keep monitoring the water temp till it reaches 100!164 this.Log.WriteLine("Warming the water to 100 degrees");165 Specification.Monitor<LivenessMonitor>(new LivenessMonitor.BusyEvent());166 await this.MonitorWaterTemperature();167 }168 else169 {170 this.Log.WriteLine("Ignoring StartHeatingWater on a Halted Coffee machine");171 }172 }173 private async Task OnWaterHot()174 {175 this.Log.WriteLine("Coffee machine water temperature is now 100");176 if (this.Heating)177 {178 this.Heating = false;179 // Turn off the heater so we don't overheat it!180 await this.Sensors.SetWaterHeaterButtonAsync(false);181 this.Log.WriteLine("Turning off the water heater");182 }183 this.OnReady();184 }185 private async Task MonitorWaterTemperature()186 {187 while (!this.IsBroken)188 {189 this.WaterTemperature = await this.Sensors.GetWaterTemperatureAsync();190 if (this.WaterTemperature.Value >= 100)191 {192 await this.OnWaterHot();193 break;194 }195 else196 {197 if (!this.Heating)198 {199 this.Heating = true;200 // Turn on the heater and wait for WaterHotEvent.201 this.Log.WriteLine("Turning on the water heater");202 await this.Sensors.SetWaterHeaterButtonAsync(true);203 }204 }205 this.Log.WriteLine("Coffee machine is warming up ({0} degrees)...", this.WaterTemperature);206 await Task.Delay(TimeSpan.FromSeconds(0.1));207 }208 }209 private void OnReady()210 {211 Specification.Monitor<LivenessMonitor>(new LivenessMonitor.IdleEvent());212 this.Log.WriteLine("Coffee machine is ready to make coffee (green light is on)");213 }214 private async Task GrindBeans()215 {216 // Grind beans until porta filter is full.217 this.Log.WriteLine("Grinding beans...");218 // Turn on the grinder!219 await this.Sensors.SetGrinderButtonAsync(true);220 // We now receive a stream of PortaFilterCoffeeLevelChanged events so we keep monitoring221 // the porta filter till it is full, and the bean level in case we get empty.222 await this.MonitorPortaFilter();223 }224 private async Task MonitorPortaFilter()225 {226 while (this.PortaFilterCoffeeLevel < 100 && !this.RefillRequired && !this.IsBroken)227 {228 await Task.Delay(TimeSpan.FromSeconds(0.1));229 }230 }231 private async Task OnHopperEmpty()232 {233 await this.Sensors.SetGrinderButtonAsync(false);234 this.OnRefillRequired("out of coffee beans");235 }236 private Task MakeShotsAsync()237 {238 // Pour the shots.239 this.Log.WriteLine("Making shots...");240 // First we assume user placed a new cup in the machine, and so the shot count is zero.241 this.PreviousShotCount = 0;242 // Wait for shots to be completed.243 return this.MonitorShotsAsync();244 }245 private async Task MonitorShotsAsync()246 {247 try248 {249 while (!this.IsBroken)250 {251 this.Log.WriteLine("Shot count is {0}", this.PreviousShotCount);252 // So we can wait for async event to come back from the sensors.253 var completion = new TaskCompletionSource<bool>();254 this.ShotCompleteSource = completion;255 // Request another shot!256 await this.Sensors.SetShotButtonAsync(true);257 if (!this.IsBroken)258 {259 await completion.Task;260 if (!this.IsBroken)261 {262 this.PreviousShotCount++;263 if (this.PreviousShotCount >= this.ShotsRequested && !this.IsBroken)264 {265 this.Log.WriteLine("{0} shots completed and {1} shots requested!", this.PreviousShotCount, this.ShotsRequested);266 if (this.PreviousShotCount > this.ShotsRequested)267 {268 Specification.Assert(false, "Made the wrong number of shots");269 }270 break;271 }272 }273 }274 }275 }276 catch (OperationCanceledException)277 {278 // Cancelled.279 }280 }281 private Task CleanupAsync()282 {283 // Dump the grinds.284 this.Log.WriteLine("Dumping the grinds!");285 return this.Sensors.SetDumpGrindsButtonAsync(true);286 }287 private void OnRefillRequired(string message)288 {289 this.Error = message;290 this.RefillRequired = true;291 Specification.Monitor<LivenessMonitor>(new LivenessMonitor.IdleEvent());292 this.Log.WriteError(message);293 }294 private void OnError()295 {296 this.Error = "Coffee machine needs fixing!";297 Specification.Monitor<LivenessMonitor>(new LivenessMonitor.IdleEvent());298 this.Log.WriteError(this.Error);299 }300 public async Task TerminateAsync()301 {302 this.Halted = true;303 this.Log.WriteLine("Coffee Machine Terminating...");304 var sensors = this.Sensors;305 if (sensors != null)306 {307 await sensors.SetPowerSwitchAsync(false);308 }309 var src = this.ShotCompleteSource;310 if (src != null)311 {312 src.TrySetCanceled();313 }314 // Stop listening to the sensors....
FailoverDriver.cs
Source:FailoverDriver.cs
...86 this.Iterations++;87 }88 // Shutdown the sensors because test is now complete.89 this.Log.WriteLine("Test is complete, press ENTER to continue...");90 await this.Sensors.TerminateAsync();91 }92 internal void OnStopTest()93 {94 if (!this.IsInitialized)95 {96 // Not ready!97 return;98 }99 if (this.HaltTimer != null)100 {101 this.HaltTimer.Stop();102 this.HaltTimer = null;103 }104 // Halt the CoffeeMachine. HaltEvent is async and we must ensure the CoffeeMachine105 // is really halted before we create a new one because MockSensors will get confused106 // if two CoffeeMachines are running at the same time. So we've implemented a terminate107 // handshake here. We send event to the CoffeeMachine to terminate, and it sends back108 // a HaltedEvent when it really has been halted.109 this.Log.WriteLine("forcing termination of CoffeeMachine.");110 Task.Run(this.CoffeeMachine.TerminateAsync);111 }112 }113}...
TerminateAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Samples.CoffeeMachineTasks;5using Microsoft.Coyote.Tasks;6{7 {8 public async Task StartAsync()9 {10 await Task.Yield();11 while (true)12 {13 await Task.Yield();14 await Task.Delay(1000);15 Console.WriteLine("CoffeeMachine: Started");16 await Task.Delay(1000);17 Console.WriteLine("CoffeeMachine: Finished");18 }19 }20 public async Task TerminateAsync()21 {22 await Task.Yield();23 Console.WriteLine("CoffeeMachine: Terminating...");24 }25 }26}27using System;28using System.Threading.Tasks;29using Microsoft.Coyote;30using Microsoft.Coyote.Samples.CoffeeMachineTasks;31using Microsoft.Coyote.Tasks;32{33 {34 public async Task StartAsync()35 {36 await Task.Yield();37 while (true)38 {39 await Task.Yield();40 await Task.Delay(1000);41 Console.WriteLine("CoffeeMachine: Started");42 await Task.Delay(1000);43 Console.WriteLine("CoffeeMachine: Finished");44 }45 }46 public async Task TerminateAsync()47 {48 await Task.Yield();49 Console.WriteLine("CoffeeMachine: Terminating...");50 }51 }52}53using System;54using System.Threading.Tasks;55using Microsoft.Coyote;56using Microsoft.Coyote.Samples.CoffeeMachineTasks;57using Microsoft.Coyote.Tasks;58{59 {60 public async Task StartAsync()61 {62 await Task.Yield();63 while (true)64 {65 await Task.Yield();66 await Task.Delay(1000);67 Console.WriteLine("CoffeeMachine: Started");68 await Task.Delay(1000);69 Console.WriteLine("CoffeeMachine: Finished");70 }71 }72 public async Task TerminateAsync()73 {
TerminateAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Samples.CoffeeMachineTasks;4{5 {6 static async Task Main(string[] args)7 {8 var coffeeMachine = new CoffeeMachine();9 await coffeeMachine.StartAsync();10 await coffeeMachine.TerminateAsync();11 }12 }13}14using System;15using System.Threading.Tasks;16using Microsoft.Coyote.Samples.CoffeeMachineTasks;17{18 {19 static async Task Main(string[] args)20 {21 var coffeeMachine = new CoffeeMachine();22 await coffeeMachine.StartAsync();23 coffeeMachine.Terminate();24 }25 }26}27using System;28using System.Threading.Tasks;29using Microsoft.Coyote.Samples.CoffeeMachineTasks;30{31 {32 static async Task Main(string[] args)33 {34 var coffeeMachine = new CoffeeMachine();35 await coffeeMachine.StartAsync();36 await Task.Delay(10000);37 coffeeMachine.Terminate();38 }39 }40}41using System;42using System.Threading.Tasks;43using Microsoft.Coyote.Samples.CoffeeMachineTasks;44{45 {46 static async Task Main(string[] args)47 {48 var coffeeMachine = new CoffeeMachine();49 await Task.Delay(10000);50 await coffeeMachine.StartAsync();51 await Task.Delay(10000);52 coffeeMachine.Terminate();53 }54 }55}
TerminateAsync
Using AI Code Generation
1using System.Threading.Tasks;2using Microsoft.Coyote.Samples.CoffeeMachineTasks;3using Microsoft.Coyote.Tasks;4{5 public static async Task Main()6 {7 CoffeeMachine coffeeMachine = new CoffeeMachine();8 await Task.Run(() => coffeeMachine.TerminateAsync());9 }10}
TerminateAsync
Using AI Code Generation
1var coffeeMachine = new CoffeeMachine();2await coffeeMachine.TerminateAsync();3var coffeeMachine = new CoffeeMachine();4await coffeeMachine.TerminateAsync();5var coffeeMachine = new CoffeeMachine();6await coffeeMachine.TerminateAsync();7var coffeeMachine = new CoffeeMachine();8await coffeeMachine.TerminateAsync();9var coffeeMachine = new CoffeeMachine();10await coffeeMachine.TerminateAsync();11var coffeeMachine = new CoffeeMachine();12await coffeeMachine.TerminateAsync();13var coffeeMachine = new CoffeeMachine();14await coffeeMachine.TerminateAsync();15var coffeeMachine = new CoffeeMachine();16await coffeeMachine.TerminateAsync();17var coffeeMachine = new CoffeeMachine();18await coffeeMachine.TerminateAsync();19var coffeeMachine = new CoffeeMachine();20await coffeeMachine.TerminateAsync();
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