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How to use TimeoutAction method of Microsoft.Coyote.Samples.Monitors.FailureDetector class

Best Coyote code snippet using Microsoft.Coyote.Samples.Monitors.FailureDetector.TimeoutAction

FailureDetector.cs

Source:FailureDetector.cs

...92        [OnEntry(nameof(SendPingOnEntry))]93        [OnEventGotoState(typeof(RoundDone), typeof(Reset))]94        [OnEventPushState(typeof(TimerCancelled), typeof(WaitForCancelResponse))]95        [OnEventDoAction(typeof(Node.Pong), nameof(PongAction))]96        [OnEventDoAction(typeof(Timer.TimeoutEvent), nameof(TimeoutAction))]97        private class SendPing : State { }98        private void SendPingOnEntry()99        {100            foreach (var node in this.Nodes)101            {102                // Sends a 'Ping' event to any machine that has not responded.103                if (this.Alive.Contains(node) && !this.Responses.Contains(node))104                {105                    this.Monitor<Safety>(new Safety.Ping(node));106                    this.SendEvent(node, new Node.Ping(this.Id));107                }108            }109            // Starts the timer with a given timeout value. Note that in this sample,110            // the timeout value is not actually used, because the timer is abstracted111            // away using Coyote to enable systematic testing (i.e. timeouts are triggered112            // nondeterministically). In production, this model timer machine will be113            // replaced by a real timer.114            this.SendEvent(this.Timer, new Timer.StartTimerEvent(100));115        }116        /// <summary>117        /// This action is triggered whenever a node replies with a 'Pong' event.118        /// </summary>119        private void PongAction(Event e)120        {121            var node = (e as Node.Pong).Node;122            if (this.Alive.Contains(node))123            {124                this.Responses.Add(node);125                // Checks if the status of alive nodes has changed.126                if (this.Responses.Count == this.Alive.Count)127                {128                    this.SendEvent(this.Timer, new Timer.CancelTimerEvent());129                    this.RaiseEvent(new TimerCancelled());130                }131            }132        }133        private void TimeoutAction()134        {135            // One attempt is done for this round.136            this.Attempts++;137            // Each round has a maximum number of 2 attempts.138            if (this.Responses.Count < this.Alive.Count && this.Attempts < 2)139            {140                // Retry by looping back to same state.141                this.RaiseGotoStateEvent<SendPing>();142                return;143            }144            foreach (var node in this.Nodes)145            {146                if (this.Alive.Contains(node) && !this.Responses.Contains(node))147                {...

TimeoutAction

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Samples.Monitors;5{6    {7        static async Task Main(string[] args)8        {9            var failureDetector = new FailureDetector();10            failureDetector.Start();11            failureDetector.Ping();12            await failureDetector.TimeoutAction;13            failureDetector.Stop();14            Console.WriteLine("Done.");15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Coyote;21using Microsoft.Coyote.Actors;22using Microsoft.Coyote.Runtime;23using Microsoft.Coyote.Tasks;24{25    {26        private readonly TaskCompletionSource<bool> TimeoutTaskCompletionSource;27        private TimerId TimerId;28        public Task TimeoutAction => this.TimeoutTaskCompletionSource.Task;29        public FailureDetector()30        {31            this.TimeoutTaskCompletionSource = new TaskCompletionSource<bool>();32        }33        [OnEventDoAction(typeof(PingEvent), nameof(Ping))]34        private class Init : State { }35        private void Ping(Event e)36        {37            this.Runtime.SendEvent(this.Id, new ResetTimerEvent(this.TimerId));38        }39        private void Start(Event e)40        {41            this.TimerId = this.Runtime.CreateTimer(this.Id, new TimeoutEvent(), 1000);42        }43        private void Stop(Event e)44        {

TimeoutAction

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Samples.Monitors;6{7    {8        static void Main(string[] args)9        {10            Run();11            Console.WriteLine("Press any key to exit...");12            Console.ReadKey();13        }14        private static void Run()15        {16            using (var runtime = RuntimeFactory.Create())17            {18                var monitor = new FailureDetector();19                var actor = runtime.CreateActor(typeof(MyActor));20                runtime.RegisterMonitor(monitor);21                runtime.TimeoutAction(actor, new TimeoutEvent(), 1000);22                runtime.Run();23            }24        }25    }26    {27        [OnEntry(nameof(InitOnEntry))]28        [OnEventDoAction(typeof(TimeoutEvent), nameof(HandleTimeout))]29        private class Init : MachineState { }30        private void InitOnEntry()31        {32            Console.WriteLine("Actor started.");33        }34        private void HandleTimeout()35        {36            Console.WriteLine("Received timeout event.");37        }38    }39}

TimeoutAction

Using AI Code Generation

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

TimeoutAction

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Samples.Monitors;6{7    {8        static void Main(string[] args)9        {10            var config = Configuration.Create();11            config.MaxSchedulingSteps = 1000;12            config.MaxFairSchedulingSteps = 1000;13            config.MaxInterleavings = 1000;14            var runtime = RuntimeFactory.Create(config);15            runtime.RegisterMonitor(typeof(FailureDetector));16            runtime.CreateActor(typeof(Actor1));17            runtime.Wait();18        }19    }20    {21        protected override async Task OnInitializeAsync(Event initialEvent)22        {23            var actor2 = this.CreateActor(typeof(Actor2));24            this.SendEvent(actor2, new Ping());25        }26    }27    {28        protected override async Task OnInitializeAsync(Event initialEvent)29        {30            this.Monitor<FailureDetector>(new TimeoutAction());31        }32    }33    class Ping : Event { }34}35using System;36using System.Threading.Tasks;37using Microsoft.Coyote;38using Microsoft.Coyote.Actors;39using Microsoft.Coyote.Samples.Monitors;40{41    {42        static void Main(string[] args)43        {44            var config = Configuration.Create();45            config.MaxSchedulingSteps = 1000;46            config.MaxFairSchedulingSteps = 1000;47            config.MaxInterleavings = 1000;48            var runtime = RuntimeFactory.Create(config);49            runtime.RegisterMonitor(typeof(FailureDetector));50            runtime.CreateActor(typeof(Actor1));51            runtime.Wait();52        }53    }54    {55        protected override async Task OnInitializeAsync(Event initialEvent)56        {57            var actor2 = this.CreateActor(typeof(Actor2));58            this.SendEvent(actor2, new Ping());59        }60    }61    {62        protected override async Task OnInitializeAsync(Event initialEvent)63        {64            this.Monitor<FailureDetector>(new TimeoutAction());65        }66    }67    class Ping : Event { }68}

TimeoutAction

Using AI Code Generation

1using System;2using Microsoft.Coyote;3using Microsoft.Coyote.Samples.Monitors;4using Microsoft.Coyote.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var fd = new FailureDetector();10            var timeout = Task.Delay(1000);11            var task = Task.Run(() => { });12            var result = await fd.TimeoutAction(task, timeout);13            if (result == TimeoutResult.Completed) {14                Console.WriteLine("Task completed");15            } else {16                Console.WriteLine("Task timed out");17            }18        }19    }20}21using System;22using Microsoft.Coyote;23using Microsoft.Coyote.Samples.Monitors;24using Microsoft.Coyote.Tasks;25{26    {27        static async Task Main(string[] args)28        {29            var fd = new FailureDetector();30            var timeout = Task.Delay(1000);31            var task = Task.Run(() => { });32            var result = await fd.TimeoutAction(task, timeout);33            if (result == TimeoutResult.Completed) {34                Console.WriteLine("Task completed");35            } else {36                Console.WriteLine("Task timed out");37            }38        }39    }40}41using System;42using Microsoft.Coyote;43using Microsoft.Coyote.Samples.Monitors;44using Microsoft.Coyote.Tasks;45{46    {47        static async Task Main(string[] args)48        {49            var fd = new FailureDetector();50            var timeout = Task.Delay(1000);51            var task = Task.Run(() => { });52            var result = await fd.TimeoutAction(task, timeout);53            if (result == TimeoutResult.Completed) {54                Console.WriteLine("Task completed");55            } else {56                Console.WriteLine("Task timed out");57            }58        }59    }60}61using System;62using Microsoft.Coyote;63using Microsoft.Coyote.Samples.Monitors;64using Microsoft.Coyote.Tasks;

TimeoutAction

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Threading.Tasks;4using Microsoft.Coyote;5using Microsoft.Coyote.Actors;6using Microsoft.Coyote.Samples.Monitors;7{8    {9        public static void Main(string[] args)10        {11            using (var runtime = RuntimeFactory.Create())12            {13                var actor = runtime.CreateActor(typeof(Actor1));14                var monitor = runtime.CreateMonitor(typeof(FailureDetector));15                runtime.SendEvent(actor, new E1());16                runtime.Wait();17            }18        }19    }20    {21    }22    {23    }24    {25    }26    {27        private List<Task> tasks;28        protected override Task OnInitializeAsync(Event initialEvent)29        {30            this.tasks = new List<Task>();31            this.Monitor<FailureDetector>(new MonitorEvent("Actor1"));32            return Task.CompletedTask;33        }34        protected override async Task OnEventAsync(Event e)35        {36            switch (e)37            {38                    this.Monitor<FailureDetector>(new MonitorEvent("E1"));39                    this.tasks.Add(this.TimeoutAction(100, new E2()));40                    break;41                    this.Monitor<FailureDetector>(new MonitorEvent("E2"));42                    this.tasks.Add(this.TimeoutAction(100, new E3()));43                    break;44                    this.Monitor<FailureDetector>(new MonitorEvent("E3"));45                    this.tasks.Add(this.TimeoutAction(100, new E1()));46                    break;47            }48        }49        protected override Task OnHaltAsync(Event e)50        {51            this.Monitor<FailureDetector>(new MonitorEvent("Halt"));52            return Task.CompletedTask;53        }54    }55}56using System;57using System.Collections.Generic;58using System.Threading.Tasks;59using Microsoft.Coyote;60using Microsoft.Coyote.Actors;61using Microsoft.Coyote.Samples.Monitors;

TimeoutAction

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Samples.Monitors;5using Microsoft.Coyote.Tasks;6{7    {8        public static async Task Main(string[] args)9        {10            var config = Configuration.Create().WithTestingIterations(100);11            await RunAsync(config);12        }13        private static async Task RunAsync(Configuration config)14        {15            var failureDetector = new FailureDetector();16            var timeout = new TimeSpan(0, 0, 0, 0, 100);17            var timeoutTask = failureDetector.TimeoutAction(timeout, () => Console.WriteLine("Time out!"));18            await Task.Delay(300);

TimeoutAction

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Samples.Monitors;5using Microsoft.Coyote.Tasks;6{7    static async Task Main()8    {9        var failureDetector = new FailureDetector("MyActor");10        failureDetector.Start();11        await Task.Delay(5000);12        failureDetector.Stop();13        await failureDetector.TimeoutAction;14    }15}16using System;17using System.Threading.Tasks;18using Microsoft.Coyote;19using Microsoft.Coyote.Samples.Monitors;20using Microsoft.Coyote.Tasks;21{22    static async Task Main()23    {24        var failureDetector = new FailureDetector("MyActor");25        failureDetector.Start();26        await Task.Delay(5000);27        failureDetector.Stop();28        await failureDetector.TimeoutAction;29        failureDetector.OnFailure += (sender, args) =>30        {31            Console.WriteLine("Actor {0} failed at {1}.", args.ActorName, args.FailedAt);32        };33    }34}

TimeoutAction

Using AI Code Generation

1using System;2using Microsoft.Coyote;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Samples.Monitors;5using Microsoft.Coyote.Tasks;6{7    {8        private readonly ActorId _client;9        private int _counter = 0;10        public Service(ActorId client)11        {12            _client = client;13        }14        [OnEventDoAction(typeof(StartEvent), nameof(Start))]15        private class Init : State { }16        private void Start()17        {18            this.Send(this.Id, new TimeoutEvent(1000));19        }20        [OnEventDoAction(typeof(TimeoutEvent), nameof(HandleTimeout))]21        private class Started : State { }22        private void HandleTimeout()23        {24            _counter++;25            this.Send(_client, new ServiceEvent(_counter));26            this.Send(this.Id, new TimeoutEvent(1000));27        }28        [OnEventDoAction(typeof(FailureDetectedEvent), nameof(HandleFailure))]29        private class Failed : State { }30        private void HandleFailure()31        {32            this.Assert(false, "Service has failed.");33        }34    }35}36using System;37using Microsoft.Coyote;38using Microsoft.Coyote.Actors;39using Microsoft.Coyote.Samples.Monitors;40using Microsoft.Coyote.Tasks;41{42    {43        private readonly ActorId _service;44        public Client(ActorId service)45        {46            _service = service;47        }48        [OnEventDoAction(typeof(StartEvent), nameof(Start))]49        private class Init : State { }50        private void Start()51        {52            this.Send(this.Id, new TimeoutEvent(5000));53            this.Send(_service, new StartEvent());54        }

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