Examples with ALREADY_CONNECTED org.apache.ignite.spi.communication.tcp.messages.RecoveryLastReceivedMessage.ALREADY_CONNECTED used on opensource projects

Example 1 with ALREADY_CONNECTED

use of org.apache.ignite.spi.communication.tcp.messages.RecoveryLastReceivedMessage.ALREADY_CONNECTED in project ignite by apache.

the class InboundConnectionHandler method onFirstMessage.

/**
 * @param ses Session.
 * @param msg Message.
 */
private void onFirstMessage(final GridNioSession ses, Message msg) {
    UUID sndId;
    ConnectionKey connKey;
    if (msg instanceof NodeIdMessage) {
        sndId = U.bytesToUuid(((NodeIdMessage) msg).nodeIdBytes(), 0);
        connKey = new ConnectionKey(sndId, 0, -1);
    } else {
        assert msg instanceof HandshakeMessage : msg;
        HandshakeMessage msg0 = (HandshakeMessage) msg;
        sndId = ((HandshakeMessage) msg).nodeId();
        connKey = new ConnectionKey(sndId, msg0.connectionIndex(), msg0.connectCount());
    }
    if (log.isDebugEnabled())
        log.debug("Remote node ID received: " + sndId);
    final ClusterNode rmtNode = nodeGetter.apply(sndId);
    if (rmtNode == null) {
        DiscoverySpi discoverySpi = igniteExSupplier.get().configuration().getDiscoverySpi();
        boolean unknownNode = true;
        if (discoverySpi instanceof TcpDiscoverySpi) {
            TcpDiscoverySpi tcpDiscoverySpi = (TcpDiscoverySpi) discoverySpi;
            ClusterNode node0 = tcpDiscoverySpi.getNode0(sndId);
            if (node0 != null) {
                assert node0.isClient() : node0;
                if (node0.version().compareTo(VERSION_SINCE_CLIENT_COULD_WAIT_TO_CONNECT) >= 0)
                    unknownNode = false;
            }
        } else if (discoverySpi instanceof IgniteDiscoverySpi)
            unknownNode = !((IgniteDiscoverySpi) discoverySpi).knownNode(sndId);
        if (unknownNode) {
            U.warn(log, "Close incoming connection, unknown node [nodeId=" + sndId + ", ses=" + ses + ']');
            ses.send(new RecoveryLastReceivedMessage(UNKNOWN_NODE)).listen(fut -> ses.close());
        } else
            ses.send(new RecoveryLastReceivedMessage(NEED_WAIT)).listen(fut -> ses.close());
        return;
    }
    ses.addMeta(CONSISTENT_ID_META, rmtNode.consistentId());
    final ConnectionKey old = ses.addMeta(CONN_IDX_META, connKey);
    assert old == null;
    ClusterNode locNode = locNodeSupplier.get();
    if (ses.remoteAddress() == null)
        return;
    assert msg instanceof HandshakeMessage : msg;
    HandshakeMessage msg0 = (HandshakeMessage) msg;
    if (log.isDebugEnabled()) {
        log.debug("Received handshake message [locNodeId=" + locNode.id() + ", rmtNodeId=" + sndId + ", msg=" + msg0 + ']');
    }
    if (isChannelConnIdx(msg0.connectionIndex()))
        ses.send(new RecoveryLastReceivedMessage(0));
    else if (cfg.usePairedConnections() && usePairedConnections(rmtNode, attributeNames.pairedConnection())) {
        final GridNioRecoveryDescriptor recoveryDesc = nioSrvWrapper.inRecoveryDescriptor(rmtNode, connKey);
        ConnectClosureNew c = new ConnectClosureNew(ses, recoveryDesc, rmtNode);
        boolean reserve = recoveryDesc.tryReserve(msg0.connectCount(), c);
        if (reserve)
            connectedNew(recoveryDesc, ses, true);
        else {
            if (c.failed) {
                ses.send(new RecoveryLastReceivedMessage(ALREADY_CONNECTED));
                closeStaleConnections(connKey);
            }
        }
    } else {
        assert connKey.connectionIndex() >= 0 : connKey;
        GridCommunicationClient[] curClients = clientPool.clientFor(sndId);
        GridCommunicationClient oldClient = curClients != null && connKey.connectionIndex() < curClients.length ? curClients[connKey.connectionIndex()] : null;
        if (oldClient instanceof GridTcpNioCommunicationClient) {
            if (log.isInfoEnabled())
                log.info("Received incoming connection when already connected " + "to this node, rejecting [locNode=" + locNode.id() + ", rmtNode=" + sndId + ']');
            ses.send(new RecoveryLastReceivedMessage(ALREADY_CONNECTED));
            closeStaleConnections(connKey);
            return;
        }
        GridFutureAdapter<GridCommunicationClient> fut = new GridFutureAdapter<>();
        GridFutureAdapter<GridCommunicationClient> oldFut = clientPool.putIfAbsentFut(connKey, fut);
        final GridNioRecoveryDescriptor recoveryDesc = nioSrvWrapper.inRecoveryDescriptor(rmtNode, connKey);
        if (oldFut == null) {
            curClients = clientPool.clientFor(sndId);
            oldClient = curClients != null && connKey.connectionIndex() < curClients.length ? curClients[connKey.connectionIndex()] : null;
            if (oldClient instanceof GridTcpNioCommunicationClient) {
                assert oldClient.connectionIndex() == connKey.connectionIndex() : oldClient;
                if (log.isInfoEnabled())
                    log.info("Received incoming connection when already connected " + "to this node, rejecting [locNode=" + locNode.id() + ", rmtNode=" + sndId + ']');
                ses.send(new RecoveryLastReceivedMessage(ALREADY_CONNECTED));
                closeStaleConnections(connKey);
                fut.onDone(oldClient);
                return;
            }
            boolean reserved = recoveryDesc.tryReserve(msg0.connectCount(), new ConnectClosure(ses, recoveryDesc, rmtNode, connKey, msg0, true, fut));
            if (log.isDebugEnabled()) {
                log.debug("Received incoming connection from remote node " + "[rmtNode=" + rmtNode.id() + ", reserved=" + reserved + ", recovery=" + recoveryDesc + ']');
            }
            if (reserved) {
                try {
                    GridTcpNioCommunicationClient client = connected(recoveryDesc, ses, rmtNode, msg0.received(), true, true);
                    fut.onDone(client);
                } finally {
                    clientPool.removeFut(connKey, fut);
                }
            }
        } else {
            if (oldFut instanceof ConnectFuture && locNode.order() < rmtNode.order()) {
                if (log.isInfoEnabled()) {
                    log.info("Received incoming connection from remote node while " + "connecting to this node, rejecting [locNode=" + locNode.id() + ", locNodeOrder=" + locNode.order() + ", rmtNode=" + rmtNode.id() + ", rmtNodeOrder=" + rmtNode.order() + ']');
                }
                ses.send(new RecoveryLastReceivedMessage(ALREADY_CONNECTED));
            } else {
                boolean reserved = recoveryDesc.tryReserve(msg0.connectCount(), new ConnectClosure(ses, recoveryDesc, rmtNode, connKey, msg0, true, fut));
                GridTcpNioCommunicationClient client = null;
                if (reserved)
                    client = connected(recoveryDesc, ses, rmtNode, msg0.received(), true, true);
                if (oldFut instanceof ConnectionRequestFuture && !oldFut.isDone())
                    oldFut.onDone(client);
            }
        }
    }
}