How to use ProcessFindSuccessorResp method of Microsoft.Coyote.Actors.BugFinding.Tests.Join class

Best Coyote code snippet using Microsoft.Coyote.Actors.BugFinding.Tests.Join.ProcessFindSuccessorResp

ChordTests.cs

Source:ChordTests.cs Github

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...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))513 {514 this.Predecessor = predecessor;515 }516 }517 private void UpdateKeys(Event e)518 {519 var keys = (e as AskForKeysResp).Keys;520 foreach (var key in keys)521 {522 this.Keys.Add(key);523 }524 }525 private void ProcessTerminate() => this.RaiseHaltEvent();526 private static int GetSuccessorNodeId(int start, List<int> nodeIds)527 {528 var candidate = -1;529 foreach (var id in nodeIds.Where(v => v >= start))530 {531 if (candidate < 0 || id < candidate)532 {533 candidate = id;534 }535 }536 if (candidate < 0)537 {538 foreach (var id in nodeIds.Where(v => v < start))539 {540 if (candidate < 0 || id < candidate)541 {542 candidate = id;543 }544 }545 }546 for (int idx = 0; idx < nodeIds.Count; idx++)547 {548 if (nodeIds[idx] == candidate)549 {550 candidate = idx;551 break;552 }553 }554 return candidate;555 }556 private static int WrapSubtract(int left, int right, int ceiling)557 {558 int result = left - right;559 if (result < 0)560 {561 result = ceiling + result;562 }563 return result;564 }565 }566 private class Client : StateMachine567 {568 internal class SetupEvent : Event569 {570 public ActorId ClusterManager;571 public List<int> Keys;572 public SetupEvent(ActorId clusterManager, List<int> keys)573 : base()574 {575 this.ClusterManager = clusterManager;576 this.Keys = keys;577 }578 }579 private class Local : Event580 {581 }582 private ActorId ClusterManager;583 private List<int> Keys;584 private int QueryCounter;585 [Start]586 [OnEntry(nameof(InitOnEntry))]587 [OnEventGotoState(typeof(Local), typeof(Querying))]588 private class Init : State589 {590 }591 private void InitOnEntry(Event e)592 {593 this.ClusterManager = (e as SetupEvent).ClusterManager;594 this.Keys = (e as SetupEvent).Keys;595 // LIVENESS BUG: can never detect the key, and keeps looping without596 // exiting the process. Enable to introduce the bug.597 this.Keys.Add(17);598 this.QueryCounter = 0;599 this.RaiseEvent(new Local());600 }601 [OnEntry(nameof(QueryingOnEntry))]602 [OnEventGotoState(typeof(Local), typeof(Waiting))]603 private class Querying : State604 {605 }606 private void QueryingOnEntry()607 {608 if (this.QueryCounter < 5)609 {610 if (this.RandomBoolean())611 {612 var key = this.GetNextQueryKey();613 this.Logger.WriteLine($"<ChordLog> Client is searching for successor of key '{key}'.");614 this.SendEvent(this.ClusterManager, new ChordNode.FindSuccessor(this.Id, key));615 this.Monitor<LivenessMonitor>(new LivenessMonitor.NotifyClientRequest(key));616 }617 else if (this.RandomBoolean())618 {619 this.SendEvent(this.ClusterManager, new ClusterManager.CreateNewNode());620 }621 else622 {623 this.SendEvent(this.ClusterManager, new ClusterManager.TerminateNode());624 }625 this.QueryCounter++;626 }627 this.RaiseEvent(new Local());628 }629 private int GetNextQueryKey()630 {631 int keyIndex = -1;632 while (keyIndex < 0)633 {634 for (int i = 0; i < this.Keys.Count; i++)635 {636 if (this.RandomBoolean())637 {638 keyIndex = i;639 break;640 }641 }642 }643 return this.Keys[keyIndex];644 }645 [OnEventGotoState(typeof(Local), typeof(Querying))]646 [OnEventDoAction(typeof(ChordNode.FindSuccessorResp), nameof(ProcessFindSuccessorResp))]647 [OnEventDoAction(typeof(ChordNode.QueryIdResp), nameof(ProcessQueryIdResp))]648 private class Waiting : State649 {650 }651 private void ProcessFindSuccessorResp(Event e)652 {653 var successor = (e as ChordNode.FindSuccessorResp).Node;654 var key = (e as ChordNode.FindSuccessorResp).Key;655 this.Monitor<LivenessMonitor>(new LivenessMonitor.NotifyClientResponse(key));656 this.SendEvent(successor, new ChordNode.QueryId(this.Id));657 }658 private void ProcessQueryIdResp() => this.RaiseEvent(new Local());659 }660 private class LivenessMonitor : Monitor661 {662 public class NotifyClientRequest : Event663 {664 public int Key;665 public NotifyClientRequest(int key)...

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ProcessFindSuccessorResp

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1using System;2using System.Collections.Generic;3using System.Threading.Tasks;4using Microsoft.Coyote;5using Microsoft.Coyote.Actors;6using Microsoft.Coyote.Actors.BugFinding.Tests;7using Microsoft.Coyote.Actors.BugFinding.Tests.Join;8{9 {10 protected override bool IsFairScheduling => true;11 [OnEventDoAction(typeof(Start), nameof(StartHandler))]12 [OnEventDoAction(typeof(ProcessFindSuccessorResp), nameof(ProcessFindSuccessorRespHandler))]13 {14 private ActorId Chord;15 private ActorId Successor;16 protected override Task OnInitializeAsync(Event initialEvent)17 {18 this.Chord = this.CreateActor(typeof(Chord), new ChordConfig(10));19 this.Successor = this.CreateActor(typeof(Successor), new SuccessorConfig(this.Id));20 this.SendEvent(this.Chord, new Join(this.Successor));21 return Task.CompletedTask;22 }23 private void StartHandler(Event e)24 {25 this.SendEvent(this.Chord, new FindSuccessor(6));26 }27 private void ProcessFindSuccessorRespHandler(Event e)28 {29 this.SendEvent(this.Chord, new FindSuccessor(6));30 }31 }32 {33 public int N;34 public ChordConfig(int n)35 {36 this.N = n;37 }38 }39 [OnEventDoAction(typeof(Join), nameof(JoinHandler))]40 [OnEventDoAction(typeof(FindSuccessor), nameof(FindSuccessorHandler))]41 {42 private ActorId Successor;43 protected override Task OnInitializeAsync(Event initialEvent)44 {45 this.Successor = this.CreateActor(typeof(Successor), new SuccessorConfig(this.Id));46 return Task.CompletedTask;47 }48 private void JoinHandler(Event e)49 {50 this.Successor = (e as Join).Successor;51 }52 private void FindSuccessorHandler(Event e)53 {54 this.SendEvent(this.Successor, new FindSuccessor(e as FindSuccessor));55 }56 }57 {58 public ActorId Chord;59 public SuccessorConfig(ActorId

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ProcessFindSuccessorResp

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1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.BugFinding.Tests;3using System;4using System.Collections.Generic;5using System.Text;6{7 {8 private int id;9 private int N;10 private int succ;11 private int pred;12 private int[] finger;13 private int[] fingerSucc;14 private ActorId[] fingerActor;15 private ActorId[] fingerSuccActor;16 private ActorId[] node;17 private ActorId[] nodeActor;18 private ActorId[] nodeSuccActor;19 private ActorId[] nodePredActor;20 private ActorId[] nodeFingerActor;21 private ActorId[] nodeFingerSuccActor;22 private ActorId[] nodeFingerSuccActor2;23 private ActorId[] nodeFingerSuccActor3;24 private ActorId[] nodeFingerSuccActor4;25 private ActorId[] nodeFingerSuccActor5;26 private ActorId[] nodeFingerSuccActor6;27 private ActorId[] nodeFingerSuccActor7;28 private ActorId[] nodeFingerSuccActor8;29 private ActorId[] nodeFingerSuccActor9;30 private ActorId[] nodeFingerSuccActor10;31 private ActorId[] nodeFingerSuccActor11;32 private ActorId[] nodeFingerSuccActor12;33 private ActorId[] nodeFingerSuccActor13;34 private ActorId[] nodeFingerSuccActor14;35 private ActorId[] nodeFingerSuccActor15;36 private ActorId[] nodeFingerSuccActor16;37 private ActorId[] nodeFingerSuccActor17;38 private ActorId[] nodeFingerSuccActor18;39 private ActorId[] nodeFingerSuccActor19;40 private ActorId[] nodeFingerSuccActor20;41 private ActorId[] nodeFingerSuccActor21;42 private ActorId[] nodeFingerSuccActor22;43 private ActorId[] nodeFingerSuccActor23;44 private ActorId[] nodeFingerSuccActor24;45 private ActorId[] nodeFingerSuccActor25;46 private ActorId[] nodeFingerSuccActor26;

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ProcessFindSuccessorResp

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1{2 {3 [OnEventDoAction(typeof(Configure), nameof(Configure))]4 [OnEventGotoState(typeof(FindSuccessor), typeof(Joining))]5 class Init : State { }6 void Configure()7 {8 this.Raise(new FindSuccessor());9 }10 [OnEntry(nameof(JoiningOnEntry))]11 [OnEventGotoState(typeof(FindSuccessorResp), typeof(Joining))]12 class Joining : State { }13 void JoiningOnEntry()14 {15 this.ProcessFindSuccessorResp();16 }17 }18}

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ProcessFindSuccessorResp

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1using Microsoft.Coyote.Actors.BugFinding.Tests;2using System;3using System.Threading.Tasks;4{5 {6 private int val;7 private TaskCompletionSource<bool> tcs;8 protected override Task OnInitializeAsync(Event initialEvent)9 {10 this.val = 0;11 this.tcs = new TaskCompletionSource<bool>();12 return Task.CompletedTask;13 }14 protected override async Task OnEventAsync(Event e)15 {16 switch (e)17 {18 var result = await this.ProcessFindSuccessorResp(req);19 this.SendEvent(req.ResponseEvent, result);20 break;21 this.val = req.Val;22 this.tcs.SetResult(true);23 break;24 break;25 }26 }27 private async Task<int> ProcessFindSuccessorResp(FindSuccessorReq req)28 {29 await this.tcs.Task;30 return this.val;31 }32 }33 {34 public Event ResponseEvent;35 public FindSuccessorReq(Event responseEvent)36 {37 this.ResponseEvent = responseEvent;38 }39 }40 {41 public int Val;42 public JoinReq(int val)43 {44 this.Val = val;45 }46 }47}48using Microsoft.Coyote.Actors.BugFinding.Tests;49using System;50using System.Threading.Tasks;51{52 {53 private int val;54 private TaskCompletionSource<bool> tcs;55 protected override Task OnInitializeAsync(Event initialEvent)56 {57 this.val = 0;58 this.tcs = new TaskCompletionSource<bool>();59 return Task.CompletedTask;60 }61 protected override async Task OnEventAsync(Event e)62 {63 switch (e)64 {65 var result = await this.ProcessFindSuccessorResp(req);66 this.SendEvent(req.ResponseEvent, result);67 break;68 this.val = req.Val;69 this.tcs.SetResult(true

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ProcessFindSuccessorResp

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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.Tests.Join;9{10 {11 {12 public ActorId NodeId;13 public ActorId Predecessor;14 public ActorId Successor;15 public int Key;16 public Config(ActorId nodeId, ActorId predecessor, ActorId successor, int key)17 {18 this.NodeId = nodeId;19 this.Predecessor = predecessor;20 this.Successor = successor;21 this.Key = key;22 }23 }24 {25 public int Key;26 public ActorId Response;27 public FindSuccessor(int key, ActorId response)28 {29 this.Key = key;30 this.Response = response;31 }32 }33 {34 public ActorId NodeId;35 public FindSuccessorResp(ActorId nodeId)36 {37 this.NodeId = nodeId;38 }39 }40 {41 public ActorId NodeId;42 public Notify(ActorId nodeId)43 {44 this.NodeId = nodeId;45 }46 }47 {48 }49 private ActorId NodeId;50 private ActorId Predecessor;51 private ActorId Successor;52 private int Key;53 [OnEventGotoState(typeof(Config), typeof(Active))]54 {55 }56 [OnEventDoAction(typeof(FindSuccessor), nameof(ProcessFindSuccessor))]57 [OnEventDoAction(typeof(Notify), nameof(ProcessNotify))]58 {59 }60 private void ProcessFindSuccessor(Event e)61 {62 var findSuccessor = e as FindSuccessor;63 if (findSuccessor.Key > this.Key)64 {65 this.SendEvent(findSuccessor.Response, new FindSuccessorResp(this.Successor));66 }67 {68 this.SendEvent(this.Successor, findSuccessor);69 }

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ProcessFindSuccessorResp

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1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.BugFinding.Tests;3using System;4using System.Threading.Tasks;5{6 {7 {8 public ActorId Node;9 public Config(ActorId node)10 {11 this.Node = node;12 }13 }14 {15 public int Id;16 public FindSuccessor(int id)17 {18 this.Id = id;19 }20 }21 {22 public ActorId Node;23 public FindSuccessorResp(ActorId node)24 {25 this.Node = node;26 }27 }28 private ActorId Node;29 [OnEntry(nameof(InitOnEntry))]30 [OnEventDoAction(typeof(FindSuccessor), nameof(ProcessFindSuccessor))]31 [OnEventDoAction(typeof(FindSuccessorResp), nameof(ProcessFindSuccessorResp))]32 {33 }34 private void InitOnEntry(Event e)35 {36 this.Node = (e as Config).Node;37 }38 private void ProcessFindSuccessor(Event e)39 {40 this.Node.SendEvent(new FindSuccessor((e as FindSuccessor).Id));41 }42 private void ProcessFindSuccessorResp(Event e)43 {44 this.Node.SendEvent(new FindSuccessorResp((e as FindSuccessorResp).Node));45 }46 }47}48using Microsoft.Coyote.Actors;49using Microsoft.Coyote.Actors.BugFinding.Tests;50using System;51using System.Threading.Tasks;52{53 {54 {55 public ActorId Node;56 public Config(ActorId node)57 {58 this.Node = node;59 }60 }61 {

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