public async Task Start()
{
ActorEventSource.Current.ActorMessage(this, "[Driver] is starting");
if (this.Nodes == null)
{
this.NumberOfNodes = 2;
this.Nodes = new Dictionary <int, INode>();
this.NodeMap = new Dictionary <INode, bool>();
this.SafetyMonitor = ActorProxy.Create <ISafetyMonitor>(new ActorId(1), "fabric:/FabricFailureDetector");
this.FailureDetector = ActorProxy.Create <IFailureDetector>(new ActorId(2), "fabric:/FabricFailureDetector");
await this.Initialize();
await this.FailureDetector.Configure(this.Nodes.Keys.ToList());
await this.FailureDetector.RegisterClient(0);
await this.FailureDetector.Start();
//this.Fail();
}
}
public async Task Configure(int id)
{
await Task.Run(() =>
{
if (this.ProcessedRequests == null)
{
this.NodeId = id;
this.IsHalted = false;
this.ProcessedRequests = new HashSet <ulong>();
this.SafetyMonitor = ActorProxy.Create <ISafetyMonitor>(
new ActorId(1), "fabric:/FabricFailureDetector");
}
});
}
protected override async Task OnActivateAsync()
{
if (this.Nodes == null)
{
this.FailureDetectorId = 2;
this.Nodes = new Dictionary <int, INode>();
this.Clients = new Dictionary <IDriver, bool>();
this.Alive = new Dictionary <INode, bool>();
this.Responses = new Dictionary <INode, bool>();
this.ProcessedRequests = new HashSet <ulong>();
this.PingCounter = 0;
this.HasStarted = false;
this.SafetyMonitor = ActorProxy.Create <ISafetyMonitor>(new ActorId(1), "fabric:/FabricFailureDetector");
}
await base.OnActivateAsync();
}
private async void BecomeLeader()
{
Console.WriteLine($"<RaftLog> Server {this.ServerId} became LEADER.");
Console.WriteLine($"<RaftLog> Leader {this.ServerId} | term {this.CurrentTerm} " +
$"| election votes {this.VotesReceived} | log {this.Logs.Count}.");
this.Role = Role.Leader;
this.VotesReceived = 0;
this.SafetyMonitor = this.GrainFactory.GetGrain <ISafetyMonitor>(100);
await this.SafetyMonitor.NotifyLeaderElected(this.CurrentTerm);
await this.ClusterManager.NotifyLeaderUpdate(this.ServerId, this.CurrentTerm);
var logIndex = this.Logs.Count;
var logTerm = this.GetLogTermForIndex(logIndex);
this.NextIndex.Clear();
this.MatchIndex.Clear();
foreach (var server in this.Servers)
{
if (server.Key == this.ServerId)
{
continue;
}
this.NextIndex.Add(server.Value, logIndex + 1);
this.MatchIndex.Add(server.Value, 0);
}
foreach (var server in this.Servers)
{
if (server.Key == this.ServerId)
{
continue;
}
await server.Value.AppendEntriesRequest(this.CurrentTerm, this.ServerId,
logIndex, logTerm, new List <Log>(), this.CommitIndex, -1);
}
}