public Cluster(Configuration configuration, ILogger logger, NodeFactory nodeFactory, ProducerFactory producerFactory, ConsumerFactory consumerFactory, IStatistics statistics = null)
{
_configuration = configuration;
_seeds = configuration.Seeds;
_seedsGetter = configuration.SeedsGetter;
Logger = logger;
Statistics = statistics ?? new Statistics();
_timeoutScheduler = new TimeoutScheduler(configuration.ClientRequestTimeoutMs / 2);
_pools = InitPools(Statistics, configuration, logger);
// Producer init
ProduceRouter = producerFactory != null?producerFactory() : new ProduceRouter(this, configuration, _pools.MessageBuffersPool);
ProduceRouter.MessageExpired += (t, m) =>
{
Statistics.UpdateExpired();
UpdateExited(1);
};
ProduceRouter.MessagesAcknowledged += (t, c) =>
{
Statistics.UpdateSuccessfulSent(c);
UpdateExited(c);
SignalSeenTopic(t);
};
ProduceRouter.MessageDiscarded += (t, m) =>
{
Statistics.UpdateDiscarded();
UpdateExited(1);
};
RoutingTableChange += ProduceRouter.ChangeRoutingTable;
ProduceRouter.BrokerTimeoutError += Statistics.UpdateBrokerTimeoutError;
ProduceRouter.MessageReEnqueued += Statistics.UpdateMessageRetry;
ProduceRouter.MessagePostponed += Statistics.UpdateMessagePostponed;
// Consumer init
ConsumeRouter = consumerFactory != null?consumerFactory() : new ConsumeRouter(this, configuration);
ConsumeRouter.MessageReceived += UpdateConsumerMessageStatistics;
if (ConsumeRouter is ConsumeRouter)
{
(ConsumeRouter as ConsumeRouter).InternalError +=
ex => Logger.LogError("An unexpected error occured in the consumer: " + ex);
}
RoutingTableChange += ConsumeRouter.ChangeRoutingTable;
// Node factory
var clientId = Encoding.UTF8.GetBytes(configuration.ClientId);
var serializer = new Node.Serialization(configuration.SerializationConfig, configuration.Compatibility, _pools.RequestsBuffersPool, clientId, configuration.RequiredAcks, configuration.RequestTimeoutMs,
configuration.CompressionCodec, configuration.FetchMinBytes, configuration.FetchMaxWaitTime, configuration.FetchMaxBytes);
_nodeFactory = nodeFactory ??
((h, p) =>
new Node(string.Format("[{0}:{1}]", h, p),
() =>
new Connection(h, p, ep => new RealSocket(ep), _pools.SocketBuffersPool, _pools.RequestsBuffersPool, configuration.SendBufferSize, configuration.ReceiveBufferSize),
serializer,
configuration,
_timeoutScheduler,
_resolution));
_nodeFactory = DecorateFactory(_nodeFactory);
// Inner actor
_agent = new ActionBlock <ClusterMessage>(r => ProcessMessage(r),
new ExecutionDataflowBlockOptions {
TaskScheduler = configuration.TaskScheduler
});
// Bootstrap
BuildNodesFromSeeds();
if (_nodes.Count == 0)
{
var message = _seedsGetter != null ? "Invalid seeds Getter" : "Invalid seeds: " + _seeds;
throw new ArgumentException(message);
}
}