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How to use FindPredecessor method of Microsoft.Coyote.Actors.BugFinding.Tests.ChordTests class

Best Coyote code snippet using Microsoft.Coyote.Actors.BugFinding.Tests.ChordTests.FindPredecessor

ChordTests.cs

Source:ChordTests.cs

...236                    this.Node = node;237                    this.Key = key;238                }239            }240            internal class FindPredecessor : Event241            {242                public ActorId Sender;243                public FindPredecessor(ActorId sender)244                    : base()245                {246                    this.Sender = sender;247                }248            }249            internal class FindPredecessorResp : Event250            {251                public ActorId Node;252                public FindPredecessorResp(ActorId node)253                    : base()254                {255                    this.Node = node;256                }257            }258            internal class QueryId : Event259            {260                public ActorId Sender;261                public QueryId(ActorId sender)262                    : base()263                {264                    this.Sender = sender;265                }266            }267            internal class QueryIdResp : Event268            {269                public int Id;270                public QueryIdResp(int id)271                    : base()272                {273                    this.Id = id;274                }275            }276            internal class AskForKeys : Event277            {278                public ActorId Node;279                public int Id;280                public AskForKeys(ActorId node, int id)281                    : base()282                {283                    this.Node = node;284                    this.Id = id;285                }286            }287            internal class AskForKeysResp : Event288            {289                public List<int> Keys;290                public AskForKeysResp(List<int> keys)291                    : base()292                {293                    this.Keys = keys;294                }295            }296            private class NotifySuccessor : Event297            {298                public ActorId Node;299                public NotifySuccessor(ActorId node)300                    : base()301                {302                    this.Node = node;303                }304            }305            internal class JoinAck : Event306            {307            }308            internal class Stabilize : Event309            {310            }311            internal class Terminate : Event312            {313            }314            private class Local : Event315            {316            }317            private int NodeId;318            private HashSet<int> Keys;319            private int NumOfIds;320            private Dictionary<int, Finger> FingerTable;321            private ActorId Predecessor;322            private ActorId ManagerId;323            [Start]324            [OnEntry(nameof(InitOnEntry))]325            [OnEventGotoState(typeof(Local), typeof(Waiting))]326            [OnEventDoAction(typeof(SetupEvent), nameof(Setup))]327            [OnEventDoAction(typeof(Join), nameof(JoinCluster))]328            [DeferEvents(typeof(AskForKeys), typeof(NotifySuccessor), typeof(Stabilize))]329            private class Init : State330            {331            }332            private void InitOnEntry()333            {334                this.FingerTable = new Dictionary<int, Finger>();335            }336            private void Setup(Event e)337            {338                this.NodeId = (e as SetupEvent).Id;339                this.Keys = (e as SetupEvent).Keys;340                this.ManagerId = (e as SetupEvent).ManagerId;341                var nodes = (e as SetupEvent).Nodes;342                var nodeIds = (e as SetupEvent).NodeIds;343                this.NumOfIds = (int)Math.Pow(2, nodes.Count);344                for (var idx = 1; idx <= nodes.Count; idx++)345                {346                    var start = (this.NodeId + (int)Math.Pow(2, idx - 1)) % this.NumOfIds;347                    var end = (this.NodeId + (int)Math.Pow(2, idx)) % this.NumOfIds;348                    var nodeId = GetSuccessorNodeId(start, nodeIds);349                    this.FingerTable.Add(start, new Finger(start, end, nodes[nodeId]));350                }351                for (var idx = 0; idx < nodeIds.Count; idx++)352                {353                    if (nodeIds[idx] == this.NodeId)354                    {355                        this.Predecessor = nodes[WrapSubtract(idx, 1, nodeIds.Count)];356                        break;357                    }358                }359                this.RaiseEvent(new Local());360            }361            private void JoinCluster(Event e)362            {363                this.NodeId = (e as Join).Id;364                this.ManagerId = (e as Join).ManagerId;365                this.NumOfIds = (e as Join).NumOfIds;366                var nodes = (e as Join).Nodes;367                var nodeIds = (e as Join).NodeIds;368                for (var idx = 1; idx <= nodes.Count; idx++)369                {370                    var start = (this.NodeId + (int)Math.Pow(2, idx - 1)) % this.NumOfIds;371                    var end = (this.NodeId + (int)Math.Pow(2, idx)) % this.NumOfIds;372                    var nodeId = GetSuccessorNodeId(start, nodeIds);373                    this.FingerTable.Add(start, new Finger(start, end, nodes[nodeId]));374                }375                var successor = this.FingerTable[(this.NodeId + 1) % this.NumOfIds].Node;376                this.SendEvent(this.ManagerId, new JoinAck());377                this.SendEvent(successor, new NotifySuccessor(this.Id));378            }379            [OnEventDoAction(typeof(FindSuccessor), nameof(ProcessFindSuccessor))]380            [OnEventDoAction(typeof(FindSuccessorResp), nameof(ProcessFindSuccessorResp))]381            [OnEventDoAction(typeof(FindPredecessor), nameof(ProcessFindPredecessor))]382            [OnEventDoAction(typeof(FindPredecessorResp), nameof(ProcessFindPredecessorResp))]383            [OnEventDoAction(typeof(QueryId), nameof(ProcessQueryId))]384            [OnEventDoAction(typeof(AskForKeys), nameof(SendKeys))]385            [OnEventDoAction(typeof(AskForKeysResp), nameof(UpdateKeys))]386            [OnEventDoAction(typeof(NotifySuccessor), nameof(UpdatePredecessor))]387            [OnEventDoAction(typeof(Stabilize), nameof(ProcessStabilize))]388            [OnEventDoAction(typeof(Terminate), nameof(ProcessTerminate))]389            private class Waiting : State390            {391            }392            private void ProcessFindSuccessor(Event e)393            {394                var sender = (e as FindSuccessor).Sender;395                var key = (e as FindSuccessor).Key;396                if (this.Keys.Contains(key))397                {398                    this.SendEvent(sender, new FindSuccessorResp(this.Id, key));399                }400                else if (this.FingerTable.ContainsKey(key))401                {402                    this.SendEvent(sender, new FindSuccessorResp(this.FingerTable[key].Node, key));403                }404                else if (this.NodeId.Equals(key))405                {406                    this.SendEvent(sender, new FindSuccessorResp(407                        this.FingerTable[(this.NodeId + 1) % this.NumOfIds].Node, key));408                }409                else410                {411                    int idToAsk = -1;412                    foreach (var finger in this.FingerTable)413                    {414                        if (((finger.Value.Start > finger.Value.End) &&415                            (finger.Value.Start <= key || key < finger.Value.End)) ||416                            ((finger.Value.Start < finger.Value.End) &&417                            finger.Value.Start <= key && key < finger.Value.End))418                        {419                            idToAsk = finger.Key;420                        }421                    }422                    if (idToAsk < 0)423                    {424                        idToAsk = (this.NodeId + 1) % this.NumOfIds;425                    }426                    if (this.FingerTable[idToAsk].Node.Equals(this.Id))427                    {428                        foreach (var finger in this.FingerTable)429                        {430                            if (finger.Value.End == idToAsk ||431                                finger.Value.End == idToAsk - 1)432                            {433                                idToAsk = finger.Key;434                                break;435                            }436                        }437                        this.Assert(!this.FingerTable[idToAsk].Node.Equals(this.Id), "Cannot locate successor of {0}.", key);438                    }439                    this.SendEvent(this.FingerTable[idToAsk].Node, new FindSuccessor(sender, key));440                }441            }442            private void ProcessFindPredecessor(Event e)443            {444                var sender = (e as FindPredecessor).Sender;445                if (this.Predecessor != null)446                {447                    this.SendEvent(sender, new FindPredecessorResp(this.Predecessor));448                }449            }450            private void ProcessQueryId(Event e)451            {452                var sender = (e as QueryId).Sender;453                this.SendEvent(sender, new QueryIdResp(this.NodeId));454            }455            private void SendKeys(Event e)456            {457                var sender = (e as AskForKeys).Node;458                var senderId = (e as AskForKeys).Id;459                this.Assert(this.Predecessor.Equals(sender), "Predecessor is corrupted.");460                List<int> keysToSend = new List<int>();461                foreach (var key in this.Keys)462                {463                    if (key <= senderId)464                    {465                        keysToSend.Add(key);466                    }467                }468                if (keysToSend.Count > 0)469                {470                    foreach (var key in keysToSend)471                    {472                        this.Keys.Remove(key);473                    }474                    this.SendEvent(sender, new AskForKeysResp(keysToSend));475                }476            }477            private void ProcessStabilize()478            {479                var successor = this.FingerTable[(this.NodeId + 1) % this.NumOfIds].Node;480                this.SendEvent(successor, new FindPredecessor(this.Id));481                foreach (var finger in this.FingerTable)482                {483                    if (!finger.Value.Node.Equals(successor))484                    {485                        this.SendEvent(successor, new FindSuccessor(this.Id, finger.Key));486                    }487                }488            }489            private void ProcessFindSuccessorResp(Event e)490            {491                var successor = (e as FindSuccessorResp).Node;492                var key = (e as FindSuccessorResp).Key;493                this.Assert(this.FingerTable.ContainsKey(key), "Finger table of {0} does not contain {1}.", this.NodeId, key);494                this.FingerTable[key] = new Finger(this.FingerTable[key].Start, this.FingerTable[key].End, successor);495            }496            private void ProcessFindPredecessorResp(Event e)497            {498                var successor = (e as FindPredecessorResp).Node;499                if (!successor.Equals(this.Id))500                {501                    this.FingerTable[(this.NodeId + 1) % this.NumOfIds] = new Finger(502                        this.FingerTable[(this.NodeId + 1) % this.NumOfIds].Start,503                        this.FingerTable[(this.NodeId + 1) % this.NumOfIds].End,504                        successor);505                    this.SendEvent(successor, new NotifySuccessor(this.Id));506                    this.SendEvent(successor, new AskForKeys(this.Id, this.NodeId));507                }508            }509            private void UpdatePredecessor(Event e)510            {511                var predecessor = (e as NotifySuccessor).Node;512                if (!predecessor.Equals(this.Id))...

FindPredecessor

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Actors;7using Microsoft.Coyote.Actors.BugFinding.Tests;8using Microsoft.Coyote.Actors.BugFinding;9using Microsoft.Coyote.Actors.BugFinding.Strategies;10using System.Threading;11{12    {13        static void Main(string[] args)14        {15            ActorId chordNode = ActorId.CreateRandom();16            ActorId client = ActorId.CreateRandom();17            ActorId chordNetwork = ActorId.CreateRandom();18            ActorId chordNetworkManager = ActorId.CreateRandom();19            ActorId chordNetworkManager2 = ActorId.CreateRandom();20            ActorId chordNetworkManager3 = ActorId.CreateRandom();21            ActorId chordNetworkManager4 = ActorId.CreateRandom();22            ActorId chordNetworkManager5 = ActorId.CreateRandom();23            ActorId chordNetworkManager6 = ActorId.CreateRandom();24            ActorId chordNetworkManager7 = ActorId.CreateRandom();25            ActorId chordNetworkManager8 = ActorId.CreateRandom();26            ActorId chordNetworkManager9 = ActorId.CreateRandom();27            ActorId chordNetworkManager10 = ActorId.CreateRandom();28            ActorId chordNetworkManager11 = ActorId.CreateRandom();29            ActorId chordNetworkManager12 = ActorId.CreateRandom();30            ActorId chordNetworkManager13 = ActorId.CreateRandom();

FindPredecessor

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Actors.BugFinding.Tests;5using Microsoft.Coyote.TestingServices;6using Microsoft.Coyote.TestingServices.Runtime;7using Microsoft.Coyote.TestingServices.SchedulingStrategies;8using Microsoft.Coyote.TestingServices.Tracing.Schedule;9using Microsoft.Coyote.Tests.Common;10using Microsoft.Coyote.Tests.Common.Actors;11using Xunit;12using Xunit.Abstractions;13{14    {15        public ChordTests(ITestOutputHelper output)16            : base(output)17        {18        }19        [Fact(Timeout = 5000)]20        public void TestFindPredecessor()21        {22            this.Test(r =>23            {24                r.RegisterMonitor<ChordTestMonitor>();25                r.CreateActor(typeof(ChordTests), new ChordTestConfig(5, 3));26            },27            configuration: GetConfiguration().WithTestingIterations(100),28            replay: true);29        }30        {31            public int NumNodes;32            public int NumRequests;33            public ChordTestConfig(int numNodes, int numRequests)34            {35                this.NumNodes = numNodes;36                this.NumRequests = numRequests;37            }38        }39        {40            [OnEventDoAction(typeof(ChordTestConfig), nameof(Configure))]41            [OnEventDoAction(typeof(FindPredecessorEvent), nameof(ProcessFindPredecessor))]42            {43            }44            private int NumNodes;45            private int NumRequests;46            private int NumRequestsCompleted;47            private bool[] NodeFailed;48            private void Configure(Event e)49            {50                var config = e as ChordTestConfig;51                this.NumNodes = config.NumNodes;52                this.NumRequests = config.NumRequests;53                this.NumRequestsCompleted = 0;54                this.NodeFailed = new bool[this.NumNodes];55            }56            private void ProcessFindPredecessor()57            {58                this.NumRequestsCompleted++;59                if (this.NumRequestsCompleted == this.NumRequests)60                {61                    this.Assert(false, "Found a bug in the program.");62                }63            }

FindPredecessor

Using AI Code Generation

1using System;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.BugFinding.Tests;4using Microsoft.Coyote.TestingServices;5using Microsoft.Coyote.TestingServices.Runtime;6using Microsoft.Coyote.TestingServices.SchedulingStrategies;7using Microsoft.Coyote.TestingServices.Tracing.Schedule;8using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default;9using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Schedulers;10using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies;11using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.DPOR;12using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.Fuzzing;13using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.PCT;14using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.Probabilistic;15using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RandomExecution;16using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RandomWalk;17using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.Rnd;18using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndScheduling;19using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithFairFuzzing;20using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithFairRandomExecution;21using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithFairRandomWalk;22using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithFairTesting;23using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithTesting;24using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithTestingAndFairFuzzing;25using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithTestingAndFairRandomExecution;26using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithTestingAndFairRandomWalk;27using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithTestingAndFairTesting;28using Microsoft.Coyote.TestingServices.Tracing.Schedule.Default.Strategies.RndSchedulingWithTestingAndRandomExecution;

FindPredecessor

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Actors.BugFinding.Tests;6{7    {8        public static async Task Main(string[] args)9        {10            var runtime = RuntimeFactory.Create();11            var chord = runtime.CreateActor(typeof(ChordTests));12            var predecessor = await runtime.SendEventAndExecuteTask<ChordTests.FindPredecessorEvent, ChordTests.FindPredecessorResponseEvent>(chord, new ChordTests.FindPredecessorEvent(2));13            Console.WriteLine($"Predecessor of node 2 is {predecessor.NodeId}");14            Console.WriteLine("Press any key to exit...");15            Console.ReadKey();16        }17    }18}

FindPredecessor

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors.BugFinding.Tests.Chord;3using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Events;4using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Interfaces;5using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Models;6using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Operations;7using System;8using System.Collections.Generic;9using System.Text;10using System.Threading.Tasks;11{12    {13        public static async Task FindPredecessor()14        {15            var config = Configuration.Create();16            var runtime = RuntimeFactory.Create(config);17            Console.WriteLine(result);18        }19    }20}21using Microsoft.Coyote.Actors.BugFinding.Tests;22using Microsoft.Coyote.Actors.BugFinding.Tests.Chord;23using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Events;24using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Interfaces;25using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Models;26using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Operations;27using System;28using System.Collections.Generic;29using System.Text;30using System.Threading.Tasks;31{32    {33        public static async Task FindSuccessor()34        {35            var config = Configuration.Create();36            var runtime = RuntimeFactory.Create(config);37            var result = await runtime.CreateActorAndExecuteTask(typeof(ChordActor), new ChordActor.SetupEvent(new Node(

FindPredecessor

Using AI Code Generation

1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.BugFinding.Tests;3using Microsoft.Coyote.Actors.BugFinding.Tests.Chord;4using Microsoft.Coyote.Actors.BugFinding.Tests.Chord.Messages;5using System;6using System.Collections.Generic;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10{11    {12        private int id;13        private ChordActor successor;14        private ChordActor predecessor;15        private ChordActor[] fingerTable;16        private int m;17        private int m2;18        private int m3;19        private int m4;20        private int m5;21        private int m6;22        private int m7;23        private int m8;24        private int m9;25        private int m10;26        private int m11;27        private int m12;28        private int m13;29        private int m14;30        private int m15;31        private int m16;32        private int m17;33        private int m18;34        private int m19;35        private int m20;36        private int m21;37        private int m22;38        private int m23;39        private int m24;40        private int m25;41        private int m26;42        private int m27;43        private int m28;44        private int m29;45        private int m30;46        private int m31;47        private int m32;48        private int m33;49        private int m34;50        private int m35;51        private int m36;52        private int m37;53        private int m38;54        private int m39;55        private int m40;56        private int m41;57        private int m42;58        private int m43;59        private int m44;60        private int m45;61        private int m46;62        private int m47;63        private int m48;64        private int m49;65        private int m50;66        private int m51;67        private int m52;68        private int m53;69        private int m54;70        private int m55;71        private int m56;72        private int m57;73        private int m58;74        private int m59;75        private int m60;76        private int m61;77        private int m62;

FindPredecessor

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests.ChordTests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            ChordNode node = new ChordNode();12            ChordNode predecessor = node.FindPredecessor(0);13            Console.WriteLine(predecessor);14            Console.ReadLine();15        }16    }17}18public ChordNode FindPredecessor(int id)19{20    ChordNode x = this;21    ChordNode xSucc = x.Successor;22    while (!(id.IsBetween(x.Id, xSucc.Id)))23    {24        x = x.ClosestPrecedingFinger(id);25        xSucc = x.Successor;26    }27    return x;28}

FindPredecessor

Using AI Code Generation

1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.BugFinding.Tests;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var config = Configuration.Create();10            config.MaxFairSchedulingSteps = 1000;11            config.EnableCycleDetection = true;12            config.EnableDataRaceDetection = true;13            config.EnableDeadlockDetection = true;14            config.EnableHotStateDetection = true;15            config.EnableOperationInterleavings = true;16            config.EnableRandomExecution = true;17            config.EnableStateGraphTesting = true;18            config.EnableTimerInterleavings = true;19            config.EnableUnfairnessDetection = true;20            config.EnableWorkStealing = true;21            config.EnableWorkStealingHeuristic = true;22            config.SchedulingIterations = 1000;23            config.SchedulingStrategy = SchedulingStrategy.DFS;24            var runtime = RuntimeFactory.Create(config);25            var chord = runtime.CreateActor(typeof(ChordTests));26            var predecessor = await chord.CallAsync<ActorId>(new FindPredecessor(2));27            Console.WriteLine("Predecessor of 2 is " + predecessor);28            Console.ReadLine();29        }30    }31}

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