protected AppendEntryBaseTest()
        {
            // Arrange  
            var mocker = new AutoMocker();

            ServerIdentifier = new ServerIdentifier();

            mocker.Use(ServerIdentifier);

            mocker.Setup<ISubject<AppendEntryMessage>>(p => p.Subscribe(It.IsAny<IObserver<AppendEntryMessage>>()))
                .Callback<IObserver<AppendEntryMessage>>((o) =>
                {
                    AppendEntryCallback = o;
                });
            AppendEntryCallback = mocker.Get<ISubject<AppendEntryMessage>>();

            AppendEntryResult = new Subject<AppendEntryResultMessage>();
            Election = new Election();
            LogReplication = new LogReplication();
            
            AppendEntry = new Rafting.AppendEntry(AppendEntryResult,
                mocker.Get<ISubject<AppendEntryMessage>>(),
                mocker.Get<IHartbeatTimer>(),
                LogReplication,
                Election,
                mocker.Get<ILoggerFactory>(),
                new RaftOptions(),
                mocker.Get<ServerIdentifier>(),
                null);
        }
Пример #2
1
        public void DisposeAndStateDoesNotChangeAfterHartbeatTest()
        {
            var mocker = new AutoMocker();
            var serverIdentifier = new ServerIdentifier();

            mocker.Use(serverIdentifier);

            var options = new RaftOptions();
            options.Hartbeat.FromMilliseconds = 50;
            options.Hartbeat.ToMilliseconds = 50;

            var timer = new HartbeatTimer(options, mocker.Get<ILoggerFactory>(), serverIdentifier);
            var state = ServerStateType.Leader;

            var dispose = timer.Subscribe((s) =>
            {
                state = s;
            });

            dispose.Dispose();

            Thread.Sleep(100);

            Assert.Equal(ServerStateType.Leader, state);
        }
Пример #3
0
        public CandidateBaseTests()
        {
            var mocker = new AutoMocker();

            ServerIdentifier = new ServerIdentifier();
            mocker.Use(ServerIdentifier);


            Election = new Election();
            RequestVoteResult = new Subject<RequestVoteResultMessage>();
            RequestVote = new Subject<RequestVoteMessage>();
            MockVotingSystem = mocker.GetMock<IVotingSystem>();


            Candidate = new Rafting.States.Candidate(mocker.Get<ServerIdentifier>(),
                mocker.Get<IElectionTimer>(),
                RequestVote,
                RequestVoteResult,
                MockVotingSystem.Object,
                Election,
                mocker.Get<ILogReplication>(),
                mocker.Get<Nodes>(),
                mocker.Get<ILoggerFactory>(),
                new RaftOptions());
        }
        protected VoteReceivedBaseTests()
        {
            // Arrange
            var mocker = new AutoMocker();

            ServerIdentifier = new ServerIdentifier();

            mocker.Use(ServerIdentifier);

            mocker.Setup<ISubject<RequestVoteMessage>>(p => p.Subscribe(It.IsAny<IObserver<RequestVoteMessage>>()))
                .Callback<IObserver<RequestVoteMessage>>((o) =>
                {
                    RequestVoteCallback = o;
                });
            RequestVoteCallback = mocker.Get<ISubject<RequestVoteMessage>>();

            Election = new Election();

            Message = new RequestVoteResultMessage();

            mocker.Setup<ISubject<RequestVoteResultMessage>>(p => p.OnNext(It.IsAny<RequestVoteResultMessage>()))
                .Callback<RequestVoteResultMessage>((o) =>
                {
                    Message = o;
                });

            VoteReceived = new Rafting.VoteReceived(mocker.Get<ISubject<RequestVoteResultMessage>>(),
                mocker.Get<ServerIdentifier>(),
                mocker.Get<ISubject<RequestVoteMessage>>(),
                Election,
                mocker.Get<ILoggerFactory>(),
                new Nodes(),
                new RaftOptions(),
                mocker.Get<ILogReplication>());
        }
        public void LogNotReplicatedOverMajority()
        {
            // Arrange
            var votedFor = Guid.NewGuid();
            Election.CurrentTerm = 1;
            Election.VotedFor = votedFor;


            var node = new ServerIdentifier();
            Nodes.Add(node);
            Nodes.Add(new ServerIdentifier());
            Nodes.Add(new ServerIdentifier());

            // Act
            Leader.EntryReplyMessageRecived(new AppendEntryResultMessage()
            {
                Term = 1,
                Success = true,
                LogIndex = 1,
                LogTerm = 1,
                From = node
            });

            // Assert

            Assert.Equal(1, Election.CurrentTerm);
            Assert.Equal(votedFor, Election.VotedFor);
            Assert.Equal(2, Leader.NextIndex[node]);
            Assert.Equal(1, Leader.MatchIndex[node]);
        }
Пример #6
0
        public Candidate(ServerIdentifier serverIdentifier, 
            IElectionTimer electionTimer,
            IObserver<RequestVoteMessage> requestVote,
            IObservable<RequestVoteResultMessage> voteReply, 
            IVotingSystem votingSystem,
            IElection election,
            ILogReplication logReplication,
            Nodes nodes,
            ILoggerFactory loggerFactory,            
            RaftOptions options)
        {
            isDispose = false;
            _electionTimer = electionTimer;
            _requestVote = requestVote;
            _voteReply = voteReply;
            _votingSystem = votingSystem;
            _serverIdentifier = serverIdentifier;        
            _election = election;
            _options = options;
            _logger = loggerFactory.CreateLogger(nameof(Candidate) + " " + serverIdentifier);
            _election.CurrentTerm++;
            _election.VotedFor = _serverIdentifier.Id;
            _logReplication = logReplication;
            _nodes = nodes;

            if (_options.UseLogging)
                _logger.LogInformation($"{nameof(ServerStateType.Candidate)}");

            RequestElection();
        }
Пример #7
0
 public LoginController(ILogger <LoginController> logger,
                        IPlexClient plexClient,
                        IAuthValidator authValidator)
 {
     _logger           = logger;
     _plexClient       = plexClient;
     _authValidator    = authValidator;
     _serverIdentifier = plexClient.GetPlexServerIdentifier();
 }
Пример #8
0
        public ServiceRegistry(ServerIdentifier serverIdentifier,
            RaftOptions options, 
            IRaftClient raftClient)
        {
            _options = options;
            _raftClient = raftClient;
            _serverIdentifier = serverIdentifier;
            _list = new ConcurrentDictionary<Node, DateTimeOffset>();

            _self = new Node()
            {
                Identifier = _serverIdentifier,
                Name = _options.ServiceName,
                Address = _options.IpAddress.ToString()
            };
        }
Пример #9
0
        public Follower(ILoggerFactory loggerFactory,
            Nodes nodes,
            RaftOptions options, 
            ServerIdentifier serverIdentifier)
        {
            isDispose = false;
            _options = options;
            _serverIdentifier = serverIdentifier;
            nodes.Clear();
            _logger = loggerFactory.CreateLogger(nameof(Follower) + " " + serverIdentifier);


            if (_options.UseLogging)
                _logger.LogInformation($"{nameof(ServerStateType.Follower)}");

        }
Пример #10
0
        public LoginController(ILogger <LoginController> logger,
                               IPlexClient plexClient,
                               IAuthValidator authValidator,
                               IConfigurationService configuration)
        {
            this._logger        = logger;
            this._plexClient    = plexClient;
            this._authValidator = authValidator;

            var id = configuration.GetConfig().ServerIdentifier;

            if (id == null)
            {
                var pref = configuration.GetConfig().PlexPreferencesFile;
                serverIdentifier = plexClient.GetLocalServerIdentifier(pref ?? "Preferences.xml");
            }
            else
            {
                serverIdentifier = new ServerIdentifier(id);
            }
        }
Пример #11
0
        private static MetadataContainer DeserializeBody(BinaryReader input, MetadataContainer config,
                                                         FastAccessList <object> referenceTracking = null)
        {
            var nbServerMap = input.ReadInt32();

            for (var i = 0; i < nbServerMap; i++)
            {
                var src = ServerIdentifier.Deserialize(input);
                var dst = ServerIdentifier.Deserialize(input);
                config.ServerMap.Add(src, dst);
            }
            var nbConnection = input.ReadInt32();

            for (var i = 0; i < nbConnection; i++)
            {
                config.ConnectionStrings.Add(SqlConnection.Deserialize(input));
            }

            config.Metadatas = AppMetadata.Deserialize(input, referenceTracking);

            return(config);
        }
        public void CommitLogs()
        {
            // Arrange
            var votedFor = Guid.NewGuid();
            Election.CurrentTerm = 1;
            Election.VotedFor = votedFor;


            var node1 = new ServerIdentifier();
            var node2 = new ServerIdentifier();
            var node3 = new ServerIdentifier();

            Nodes.Add(node1);
            Nodes.Add(node2);
            Nodes.Add(node3);
            Nodes.Add(new ServerIdentifier());

            Leader.MatchIndex.AddOrUpdate(node2, 1, (oldKey, oldValue) => 1);
            Leader.MatchIndex.AddOrUpdate(node3, 1, (oldKey, oldValue) => 1);
            
            // Act

            Leader.EntryReplyMessageRecived(new AppendEntryResultMessage()
            {
                Term = 1,
                Success = true,
                LogIndex = 1,
                LogTerm = 1,
                From = node1
            });

            // Assert

            Assert.Equal(1, Election.CurrentTerm);
            Assert.Equal(votedFor, Election.VotedFor);
            Assert.Equal(2, Leader.NextIndex[node1]);
            Assert.Equal(1, Leader.MatchIndex[node1]);
        }
Пример #13
0
        public void SubscribeTest()
        {
            var mocker = new AutoMocker();

            var serverIdentifier = new ServerIdentifier();

            mocker.Use(serverIdentifier);

            var options = new RaftOptions();
            options.Hartbeat.FromMilliseconds = 0;
            options.Hartbeat.ToMilliseconds = 0;

            var timer = new HartbeatTimer(options, mocker.Get<ILoggerFactory>(), serverIdentifier);
            var state = ServerStateType.Leader;

            timer.Subscribe((s) =>
            {
                state = s;    
            });

            Thread.Sleep(100);

            Assert.Equal(ServerStateType.Candidate, state);
        }
Пример #14
0
 public IQueryHelper GetQueryHelper(ServerIdentifier server) => _queryHelpers[server.ServerId];
Пример #15
0
 public IQueryHelper this[ServerIdentifier server] => _queryHelpers[server.ServerId];
Пример #16
-1
        public Leader(IElection election, 
            IHartbeatTimer hartbeat,
            IObservable<AppendEntryResultMessage> reply,
            IObserver<AppendEntryMessage> append,
            IObserver<ClientResultMessage> clientReply,
            IObservable<ClientMessage> client,
            ILogReplication logReplication, 
            Nodes nodes,
            ILoggerFactory loggerFactory,
            RaftOptions options, 
            ServerIdentifier serverIdentifier)
        {
            _isDispose = false;
            _hartbeat = hartbeat;
            _append = append;
            _clientReply = clientReply;
            _client = client;
            _logReplication = logReplication;
            _nodes = nodes;
            _options = options;
            _serverIdentifier = serverIdentifier;
            _election = election;
            _logger = loggerFactory.CreateLogger(nameof(Leader) + " " + serverIdentifier);

            if (_options.UseLogging)
                _logger.LogInformation($"{nameof(ServerStateType.Leader)}");

            // Reinitialized after election
            NextIndex = new ConcurrentDictionary<ServerIdentifier, int>();
            MatchIndex = new ConcurrentDictionary<ServerIdentifier, int>();
            _hartbeat.Leader(SendHartbeat);
            _replyDispose = reply.Subscribe(EntryReplyMessageRecived);
            _clientReplyDispose = client.Subscribe(ClientMessageRecived);
        }
Пример #17
-1
        public LeaderBaseTests()
        {
            var mocker = new AutoMocker();

            ServerIdentifier = new ServerIdentifier();
            mocker.Use(ServerIdentifier);

            Election = new Election();
            AppendEntryResult = new Subject<AppendEntryResultMessage>();
            AppendEntry = new Subject<AppendEntryMessage>();
            LogReplication = new LogReplication();
            Nodes = new Nodes();

            Leader = new Rafting.States.Leader(
                Election,
                mocker.Get<IHartbeatTimer>(),
                AppendEntryResult,
                AppendEntry,
                mocker.Get<IObserver<ClientResultMessage>>(),
                mocker.Get<IObservable<ClientMessage>>(),
                LogReplication,
                Nodes,
                mocker.Get<ILoggerFactory>(),
                new RaftOptions(),
                mocker.Get<ServerIdentifier>());
        }