Examples with FirstConnectionPolicy org.apache.ignite.spi.communication.tcp.internal.FirstConnectionPolicy used on opensource projects

Example 1 with FirstConnectionPolicy

use of org.apache.ignite.spi.communication.tcp.internal.FirstConnectionPolicy in project ignite by apache.

the class TcpCommunicationSpi method spiStart.

/**
 * {@inheritDoc}
 */
@Override
public void spiStart(String igniteInstanceName) throws IgniteSpiException {
    final Function<UUID, ClusterNode> nodeGetter = (nodeId) -> getSpiContext().node(nodeId);
    final Supplier<ClusterNode> locNodeSupplier = () -> getSpiContext().localNode();
    final Supplier<Ignite> igniteExSupplier = this::ignite;
    final Function<UUID, Boolean> pingNode = (nodeId) -> getSpiContext().pingNode(nodeId);
    final Supplier<FailureProcessor> failureProcessorSupplier = () -> ignite instanceof IgniteEx ? ((IgniteEx) ignite).context().failure() : null;
    final Supplier<Boolean> isStopped = () -> getSpiContext().isStopping();
    this.igniteInstanceName = igniteInstanceName;
    cfg.failureDetectionTimeout(ignite.configuration().getFailureDetectionTimeout());
    attributeNames = new AttributeNames(createSpiAttributeName(ATTR_PAIRED_CONN), createSpiAttributeName(ATTR_ADDRS), createSpiAttributeName(ATTR_HOST_NAMES), createSpiAttributeName(ATTR_EXT_ADDRS), createSpiAttributeName(ATTR_PORT), createSpiAttributeName(ATTR_FORCE_CLIENT_SERVER_CONNECTIONS));
    boolean client = Boolean.TRUE.equals(ignite().configuration().isClientMode());
    this.stateProvider = new ClusterStateProvider(ignite, locNodeSupplier, this, isStopped, () -> super.getSpiContext(), log, igniteExSupplier);
    try {
        cfg.localHost(U.resolveLocalHost(cfg.localAddress()));
    } catch (IOException e) {
        throw new IgniteSpiException("Failed to initialize local address: " + cfg.localAddress(), e);
    }
    if (cfg.connectionsPerNode() > 1)
        connPlc = new RoundRobinConnectionPolicy(cfg);
    else
        connPlc = new FirstConnectionPolicy();
    this.srvLsnr = resolve(ignite, new InboundConnectionHandler(log, cfg, nodeGetter, locNodeSupplier, stateProvider, clientPool, commWorker, connectGate, failureProcessorSupplier, attributeNames, metricsLsnr, nioSrvWrapper, ctxInitLatch, client, igniteExSupplier, new CommunicationListener<Message>() {

        @Override
        public void onMessage(UUID nodeId, Message msg, IgniteRunnable msgC) {
            notifyListener(nodeId, msg, msgC);
        }

        @Override
        public void onDisconnected(UUID nodeId) {
            if (lsnr != null)
                lsnr.onDisconnected(nodeId);
        }
    }));
    TcpHandshakeExecutor tcpHandshakeExecutor = resolve(ignite, new TcpHandshakeExecutor(log, stateProvider, cfg.directBuffer()));
    this.nioSrvWrapper = resolve(ignite, new GridNioServerWrapper(log, cfg, attributeNames, tracing, nodeGetter, locNodeSupplier, connectGate, stateProvider, this::getExceptionRegistry, commWorker, ignite.configuration(), this.srvLsnr, getName(), getWorkersRegistry(ignite), ignite instanceof IgniteEx ? ((IgniteEx) ignite).context().metric() : null, this::createTcpClient, new CommunicationListenerEx<Message>() {

        @Override
        public void onMessage(UUID nodeId, Message msg, IgniteRunnable msgC) {
            notifyListener(nodeId, msg, msgC);
        }

        @Override
        public void onDisconnected(UUID nodeId) {
            if (lsnr != null)
                lsnr.onDisconnected(nodeId);
        }

        @Override
        public void onChannelOpened(UUID rmtNodeId, Message initMsg, Channel channel) {
            if (lsnr instanceof CommunicationListenerEx)
                ((CommunicationListenerEx<Message>) lsnr).onChannelOpened(rmtNodeId, initMsg, channel);
        }
    }, tcpHandshakeExecutor));
    this.srvLsnr.setNioSrvWrapper(nioSrvWrapper);
    this.clientPool = resolve(ignite, new ConnectionClientPool(cfg, attributeNames, log, metricsLsnr, locNodeSupplier, nodeGetter, null, getWorkersRegistry(ignite), this, stateProvider, nioSrvWrapper, getName()));
    this.srvLsnr.setClientPool(clientPool);
    nioSrvWrapper.clientPool(clientPool);
    discoLsnr = new CommunicationDiscoveryEventListener(clientPool, metricsLsnr);
    try {
        // This method potentially resets local port to the value
        // local node was bound to.
        nioSrvWrapper.nio(nioSrvWrapper.resetNioServer());
    } catch (IgniteCheckedException e) {
        throw new IgniteSpiException("Failed to initialize TCP server: " + cfg.localHost(), e);
    }
    boolean forceClientToSrvConnections = forceClientToServerConnections() || cfg.localPort() == -1;
    if (cfg.usePairedConnections() && forceClientToSrvConnections) {
        throw new IgniteSpiException("Node using paired connections " + "is not allowed to start in forced client to server connections mode.");
    }
    assert cfg.localHost() != null;
    // Start SPI start stopwatch.
    startStopwatch();
    if (log.isDebugEnabled()) {
        log.debug(configInfo("locAddr", cfg.localAddress()));
        log.debug(configInfo("locPort", cfg.localPort()));
        log.debug(configInfo("locPortRange", cfg.localPortRange()));
        log.debug(configInfo("idleConnTimeout", cfg.idleConnectionTimeout()));
        log.debug(configInfo("directBuf", cfg.directBuffer()));
        log.debug(configInfo("directSendBuf", cfg.directSendBuffer()));
        log.debug(configInfo("selectorsCnt", cfg.selectorsCount()));
        log.debug(configInfo("tcpNoDelay", cfg.tcpNoDelay()));
        log.debug(configInfo("sockSndBuf", cfg.socketSendBuffer()));
        log.debug(configInfo("sockRcvBuf", cfg.socketReceiveBuffer()));
        log.debug(configInfo("msgQueueLimit", cfg.messageQueueLimit()));
        log.debug(configInfo("connectionsPerNode", cfg.connectionsPerNode()));
        if (failureDetectionTimeoutEnabled()) {
            log.debug(configInfo("connTimeout", cfg.connectionTimeout()));
            log.debug(configInfo("maxConnTimeout", cfg.maxConnectionTimeout()));
            log.debug(configInfo("reconCnt", cfg.reconCount()));
        } else
            log.debug(configInfo("failureDetectionTimeout", failureDetectionTimeout()));
        log.debug(configInfo("sockWriteTimeout", cfg.socketWriteTimeout()));
        log.debug(configInfo("ackSndThreshold", cfg.ackSendThreshold()));
        log.debug(configInfo("unackedMsgsBufSize", cfg.unackedMsgsBufferSize()));
    }
    if (!cfg.tcpNoDelay())
        U.quietAndWarn(log, "'TCP_NO_DELAY' for communication is off, which should be used with caution " + "since may produce significant delays with some scenarios.");
    if (cfg.slowClientQueueLimit() > 0 && cfg.messageQueueLimit() > 0 && cfg.slowClientQueueLimit() >= cfg.messageQueueLimit()) {
        U.quietAndWarn(log, "Slow client queue limit is set to a value greater than or equal to message " + "queue limit (slow client queue limit will have no effect) [msgQueueLimit=" + cfg.messageQueueLimit() + ", slowClientQueueLimit=" + cfg.slowClientQueueLimit() + ']');
    }
    if (cfg.messageQueueLimit() == 0)
        U.quietAndWarn(log, "Message queue limit is set to 0 which may lead to " + "potential OOMEs when running cache operations in FULL_ASYNC or PRIMARY_SYNC modes " + "due to message queues growth on sender and receiver sides.");
    nioSrvWrapper.start();
    this.commWorker = new CommunicationWorker(igniteInstanceName, log, cfg, attributeNames, clientPool, failureProcessorSupplier, nodeGetter, pingNode, this::getExceptionRegistry, nioSrvWrapper, getWorkersRegistry(ignite), getName());
    this.srvLsnr.communicationWorker(commWorker);
    this.nioSrvWrapper.communicationWorker(commWorker);
    new IgniteSpiThread(igniteInstanceName, commWorker.name(), log) {

        @Override
        protected void body() {
            commWorker.run();
        }
    }.start();
    // Ack start.
    if (log.isDebugEnabled())
        log.debug(startInfo());
}