public HartbeatTimer(RaftOptions options,
ILoggerFactory loggerFactory,
ServerIdentifier serverIdentifier)
{
_options = options;
_logger = loggerFactory.CreateLogger(nameof(HartbeatTimer) + " " + serverIdentifier);
_serverIdentifier = serverIdentifier;
_random = new Random();
}
public RaftClient(ServerIdentifier serverIdentifier,
IObserver<ClientMessage> changeMessage,
IObservable<ClientResultMessage> clientResult,
RaftOptions options,
ILoggerFactory loggerFactory)
{
_serverIdentifier = serverIdentifier;
_changeMessage = changeMessage;
_clientResult = clientResult;
_options = options;
_logger = loggerFactory.CreateLogger<RaftClient>();
}
public VoteReceived(IObserver<RequestVoteResultMessage> voteReply,
ServerIdentifier serverIdentifier,
IObservable<RequestVoteMessage> requestVote,
Election election,
ILoggerFactory loggerFactory,
Nodes nodes,
RaftOptions options,
ILogReplication logReplication)
{
_voteReply = voteReply;
_election = election;
_nodes = nodes;
_options = options;
_logReplication = logReplication;
_serverIdentifier = serverIdentifier;
_voteReceivedDisposable = requestVote.Subscribe(VoteRequestReceived);
_logger = loggerFactory.CreateLogger(nameof(VoteReceived) + " " + serverIdentifier);
}
public AppendEntry(IObserver<AppendEntryResultMessage> entryReply,
IObservable<AppendEntryMessage> receivedAppendEntryMessage,
IHartbeatTimer hartbeat,
ILogReplication logReplication,
Election election,
ILoggerFactory loggerFactory,
RaftOptions options,
ServerIdentifier serverIdentifier,
IEnumerable<IRaftService> services)
{
_entryReply = entryReply;
_hartbeat = hartbeat;
_receivedDisposable = receivedAppendEntryMessage.Subscribe(RaciveHartbeat);
_logReplication = logReplication;
_election = election;
_options = options;
_serverIdentifier = serverIdentifier;
_services = services;
_logger = loggerFactory.CreateLogger(nameof(AppendEntry) + " " + serverIdentifier);
}
public Node(IVoteReceived voteReceived,
IAppendEntry appendEntry,
IHartbeatTimer hartbeat,
ILoggerFactory loggerFactory,
IObservableProvider observableProvider,
ILogReplication logReplication,
ServerIdentifier serverIdentifier)
{
_logReplication = logReplication;
_serverIdentifier = serverIdentifier;
_hartbeatTimer = hartbeat;
_stateMachine = new Machine<ServerStateType, ServerStateType>(ServerStateType.Candidate,
loggerFactory, observableProvider);
_stateMachine.On(ServerStateType.Follower)
.OnEntry(() =>
{
hartbeat.Subscribe(_stateMachine);
})
.OnEntrySubscribe<Follower>()
.Permit(ServerStateType.Candidate, ServerStateType.Candidate);
_stateMachine.On(ServerStateType.Candidate)
.OnEntrySubscribe<Candidate>()
.OnEntry(hartbeat.Reset)
.Permit(ServerStateType.Follower, ServerStateType.Follower)
.Permit(ServerStateType.Leader, ServerStateType.Leader)
.Permit(ServerStateType.Candidate, ServerStateType.Candidate);
_stateMachine.On(ServerStateType.Leader)
.OnEntrySubscribe<Leader>()
.Permit(ServerStateType.Follower, ServerStateType.Follower);
_voteReceivedeDispose = voteReceived.Subscribe(_stateMachine);
_appendEntryDispose = appendEntry.Subscribe(_stateMachine);
_stateMachine.OnNext(ServerStateType.Follower);
}
public void AddVote(ServerIdentifier @from, ServerIdentifier candidate)
{
if (!_voteBox.ContainsKey(from))
_voteBox.TryAdd(from, candidate);
}
public FirstPastThePost(ServerIdentifier serverIdentifier)
{
_serverIdentifier = serverIdentifier;
_voteBox = new ConcurrentDictionary<ServerIdentifier, ServerIdentifier>();
}
public bool Equals(ServerIdentifier other)
{
return Id.Equals(other.Id);
}