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How to use Liveness class of Microsoft.Coyote.Samples.Monitors package

Best Coyote code snippet using Microsoft.Coyote.Samples.Monitors.Liveness

Driver.cs

Source:Driver.cs

...56                var node = this.CreateActor(typeof(Node));57                this.Nodes.Add(node);58            }59            // Notifies the liveness monitor that the nodes are initialized.60            this.Monitor<Liveness>(new Liveness.RegisterNodes(this.Nodes));61            this.FailureDetector = this.CreateActor(typeof(FailureDetector), new FailureDetector.Config(this.Nodes));62            this.SendEvent(this.FailureDetector, new RegisterClient(this.Id));63            this.RaiseGotoStateEvent<InjectFailures>();64        }65        [OnEntry(nameof(InjectFailuresOnEntry))]66        [OnEventDoAction(typeof(FailureDetector.NodeFailed), nameof(NodeFailedAction))]67        private class InjectFailures : State { }68        /// <summary>69        /// Injects failures (modelled with the special Coyote event 'halt').70        /// </summary>71        private void InjectFailuresOnEntry()72        {73            foreach (var node in this.Nodes)74            {75                this.SendEvent(node, HaltEvent.Instance);76            }77        }78        /// <summary>79        /// Notify liveness monitor of node failure.80        /// </summary>81        private void NodeFailedAction(Event e)82        {83            this.Monitor<Liveness>(e);84        }85    }86}...

Liveness.cs

Source:Liveness.cs

...26    ///27    /// Read our documentation (https://microsoft.github.io/coyote/)28    /// to learn more about liveness checking in Coyote.29    /// </summary>30    internal class Liveness : Monitor31    {32        internal class RegisterNodes : Event33        {34            public HashSet<ActorId> Nodes;35            public RegisterNodes(HashSet<ActorId> nodes)36            {37                this.Nodes = nodes;38            }39        }40        private HashSet<ActorId> Nodes;41        [Start]42        [OnEventDoAction(typeof(RegisterNodes), nameof(RegisterNodesAction))]43        private class Init : State { }44        private void RegisterNodesAction(Event e)...

Test.cs

Source:Test.cs

...35        {36            // Monitors must be registered before the first Coyote machine37            // gets created (which will kickstart the runtime).38            runtime.RegisterMonitor<Safety>();39            runtime.RegisterMonitor<Liveness>();40            runtime.CreateActor(typeof(Driver), new Driver.Config(2));41        }42    }43}...

Liveness

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote;7using Microsoft.Coyote.Actors;8using Microsoft.Coyote.Samples.Monitors;9{10    {11        private static void Main(string[] args)12        {13            Runtime.RegisterMonitor<LivenessMonitor>();14            Runtime.CreateActor(typeof(MyActor));15        }16    }17    {18        private int Counter;19        [OnEventDoAction(typeof(Event1), nameof(HandleEvent1))]20        [OnEventDoAction(typeof(Event2), nameof(HandleEvent2))]21        private class Init : State { }22        private void HandleEvent1(Event1 e)23        {24            this.Counter++;25            if (this.Counter == 3)26            {27                this.Counter = 0;28            }29        }30        private void HandleEvent2(Event2 e)31        {32            this.Counter--;33        }34    }35    internal class Event1 : Event { }36    internal class Event2 : Event { }37}

Liveness

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using System;3{4    {5        static void Main(string[] args)6        {7            Console.WriteLine("Hello World!");8        }9    }10}11using Microsoft.Coyote.Samples.Monitors;12using System;13{14    {15        static void Main(string[] args)16        {17            Console.WriteLine("Hello World!");18        }19    }20}21using Microsoft.Coyote.Samples.Monitors;22using System;23{24    {25        static void Main(string[] args)26        {27            Console.WriteLine("Hello World!");28        }29    }30}31using Microsoft.Coyote.Samples.Monitors;32using System;33{34    {35        static void Main(string[] args)36        {37            Console.WriteLine("Hello World!");38        }39    }40}41using Microsoft.Coyote.Samples.Monitors;42using System;43{44    {45        static void Main(string[] args)46        {47            Console.WriteLine("Hello World!");48        }49    }50}51using Microsoft.Coyote.Samples.Monitors;52using System;53{54    {55        static void Main(string[] args)56        {57            Console.WriteLine("Hello World!");58        }59    }60}61using Microsoft.Coyote.Samples.Monitors;62using System;63{64    {65        static void Main(string[] args)66        {67            Console.WriteLine("Hello World!");68        }69    }70}

Liveness

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Samples.Monitors;4using Microsoft.CoyoteActors;5using Microsoft.CoyoteActors.Runtime;6using Microsoft.CoyoteActors.Timers;7{8    {9        public static void Main(string[] args)10        {11            var config = Configuration.Create();12            config.LivenessTemperatureThreshold = 20;13            config.LivenessTemperatureInfluence = 1;14            config.LivenessTemperatureDecreaseFactor = 0.5;15            config.RegisterMonitor<LivenessMonitor>();16            var runtime = RuntimeFactory.Create(config);17            runtime.CreateActor(typeof(Actor1));18            runtime.StartExecution();19            Console.ReadLine();20        }21    }22    {23        private readonly TaskCompletionSource<bool> _tcs = new TaskCompletionSource<bool>();24        [OnEventDoAction(typeof(UnitEvent), nameof(Entry))]25        [OnEventDoAction(typeof(UnitEvent), nameof(Exit))]26        private class Init : State { }27        private void Entry()28        {29            this.RaiseGotoStateEvent<Init>();30        }31        private void Exit()32        {33            this.RaiseHaltEvent();34        }35    }36}

Liveness

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            var machine = new Liveness();9            Task.Run(() => machine.Run()).Wait();10            Console.WriteLine("Press any key to exit.");11            Console.ReadLine();12        }13    }14}15using Microsoft.Coyote.Samples.Monitors;16using System;17using System.Threading.Tasks;18{19    {20        static void Main(string[] args)21        {22            var machine = new Liveness();23            Task.Run(() => machine.Run()).Wait();24            Console.WriteLine("Press any key to exit.");25            Console.ReadLine();26        }27    }28}29using Microsoft.Coyote.Samples.Monitors;30using System;31using System.Threading.Tasks;32{33    {34        static void Main(string[] args)35        {36            var machine = new Liveness();37            Task.Run(() => machine.Run()).Wait();38            Console.WriteLine("Press any key to exit.");39            Console.ReadLine();40        }41    }42}43using Microsoft.Coyote.Samples.Monitors;44using System;45using System.Threading.Tasks;46{47    {48        static void Main(string[] args)49        {50            var machine = new Liveness();51            Task.Run(() => machine.Run()).Wait();52            Console.WriteLine("Press any key to exit.");53            Console.ReadLine();54        }55    }56}57using Microsoft.Coyote.Samples.Monitors;58using System;59using System.Threading.Tasks;60{61    {62        static void Main(string[] args)63        {64            var machine = new Liveness();65            Task.Run(() => machine.Run()).Wait();66            Console.WriteLine("Press any key to exit.");67            Console.ReadLine();68        }69    }70}

Liveness

Using AI Code Generation

1{2    static void Main(string[] args)3    {4        LivenessMonitor monitor = new LivenessMonitor();5        CoyoteRuntime runtime = CoyoteRuntime.Create();6        runtime.RegisterMonitor(monitor);7        runtime.CreateActor(typeof(MyActor));8        runtime.Wait();9    }10}11{12    [OnEventDoAction(typeof(UnitEvent), nameof(DoWork))]13    class Init : State { }14    void DoWork()15    {16        this.SendEvent(this.Id, UnitEvent.Instance);17    }18}19{20    static void Main(string[] args)21    {22        LivenessMonitor monitor = new LivenessMonitor();23        CoyoteRuntime runtime = CoyoteRuntime.Create();24        runtime.RegisterMonitor(monitor);25        runtime.CreateActor(typeof(MyActor));26        runtime.Wait();27    }

Liveness

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using Microsoft.Coyote;3using System;4using System.Threading.Tasks;5{6    {7        static void Main(string[] args)8        {9            var liveness = new Liveness();10            liveness.Run();11        }12    }13}14using Microsoft.Coyote.Samples.Monitors;15using Microsoft.Coyote;16using System;17using System.Threading.Tasks;18{19    {20        static void Main(string[] args)21        {22            var liveness = new Liveness();23            liveness.Run();24        }25    }26}27using Microsoft.Coyote.Samples.Monitors;28using Microsoft.Coyote;29using System;30using System.Threading.Tasks;31{32    {33        static void Main(string[] args)34        {35            var liveness = new Liveness();36            liveness.Run();37        }38    }39}40using Microsoft.Coyote.Samples.Monitors;41using Microsoft.Coyote;42using System;43using System.Threading.Tasks;44{45    {46        static void Main(string[] args)47        {48            var liveness = new Liveness();49            liveness.Run();50        }51    }52}53using Microsoft.Coyote.Samples.Monitors;

Liveness

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using Microsoft.Coyote;3using Microsoft.Coyote.Actors;4using System.Threading.Tasks;5{6    {7        public static void Main()8        {9            CoyoteRuntime.ConfigureExecution();10            CoyoteRuntime.CreateActor(typeof(HelloWorld));11            CoyoteRuntime.Run();12        }13    }14    {15        [OnEventDoAction(typeof(UnitEvent), nameof(Start))]16        private class Init : State { }17        private void Start()18        {19            this.RaiseEvent(new UnitEvent());20        }21        [OnEventDoAction(typeof(UnitEvent), nameof(Hello))]22        private class Hello : State { }23        private void Hello()24        {25            this.RaiseEvent(new UnitEvent());26        }27    }28}29using Microsoft.Coyote.Samples.Monitors;30using Microsoft.Coyote;31using Microsoft.Coyote.Actors;32using System.Threading.Tasks;33{34    {35        public static void Main()36        {37            CoyoteRuntime.ConfigureExecution();38            CoyoteRuntime.CreateActor(typeof(HelloWorld));39            CoyoteRuntime.Run();40        }41    }42    {43        [OnEventDoAction(typeof(UnitEvent), nameof(Start))]44        private class Init : State { }45        private void Start()46        {47            this.RaiseEvent(new UnitEvent());48        }49        [OnEventDoAction(typeof(UnitEvent), nameof(Hello))]50        private class Hello : State { }51        private void Hello()52        {53            this.RaiseEvent(new UnitEvent());54        }55    }56}57using Microsoft.Coyote.Samples.Monitors;58using Microsoft.Coyote;59using Microsoft.Coyote.Actors;60using System.Threading.Tasks;61{62    {63        public static void Main()64        {65            CoyoteRuntime.ConfigureExecution();66            CoyoteRuntime.CreateActor(typeof(HelloWorld));67            CoyoteRuntime.Run();68        }69    }70    {71        [OnEventDoAction(typeof(UnitEvent), nameof(Start))]

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