Examples with DiscoveryNotification org.apache.ignite.spi.discovery.DiscoveryNotification used on opensource projects

Example 1 with DiscoveryNotification

use of org.apache.ignite.spi.discovery.DiscoveryNotification in project ignite by apache.

the class ClientImpl method disconnect.

/**
 * {@inheritDoc}
 */
@Override
public void disconnect() throws IgniteSpiException {
    if (msgWorker != null)
        U.interrupt(msgWorker.runner());
    U.interrupt(sockWriter);
    U.interrupt(sockReader);
    if (msgWorker != null)
        U.join(msgWorker.runner(), log);
    U.join(sockWriter, log);
    U.join(sockReader, log);
    leaveLatch.countDown();
    joinLatch.countDown();
    spi.getSpiContext().deregisterPorts();
    Collection<ClusterNode> rmts = getRemoteNodes();
    // This is restart/disconnection and remote nodes are not empty.
    // We need to fire FAIL event for each.
    DiscoverySpiListener lsnr = spi.lsnr;
    if (lsnr != null) {
        for (ClusterNode n : rmts) {
            rmtNodes.remove(n.id());
            Collection<ClusterNode> top = updateTopologyHistory(topVer + 1, null);
            lsnr.onDiscovery(new DiscoveryNotification(EVT_NODE_FAILED, topVer, n, top, new TreeMap<>(topHist), null, null)).get();
        }
    }
    rmtNodes.clear();
}

Example 2 with DiscoveryNotification

use of org.apache.ignite.spi.discovery.DiscoveryNotification in project ignite by apache.

the class GridDiscoveryManager method start.

/**
 * {@inheritDoc}
 */
@Override
public void start() throws IgniteCheckedException {
    ctx.addNodeAttribute(ATTR_OFFHEAP_SIZE, requiredOffheap());
    ctx.addNodeAttribute(ATTR_DATA_REGIONS_OFFHEAP_SIZE, configuredOffheap());
    DiscoverySpi spi = getSpi();
    discoOrdered = discoOrdered();
    histSupported = historySupported();
    isLocDaemon = ctx.isDaemon();
    hasRslvrs = !ctx.config().isClientMode() && !F.isEmpty(ctx.config().getSegmentationResolvers());
    segChkFreq = ctx.config().getSegmentCheckFrequency();
    if (hasRslvrs) {
        if (segChkFreq < 0)
            throw new IgniteCheckedException("Segment check frequency cannot be negative: " + segChkFreq);
        if (segChkFreq > 0 && segChkFreq < 2000)
            U.warn(log, "Configuration parameter 'segmentCheckFrequency' is too low " + "(at least 2000 ms recommended): " + segChkFreq);
        int segResAttemp = ctx.config().getSegmentationResolveAttempts();
        if (segResAttemp < 1)
            throw new IgniteCheckedException("Segment resolve attempts cannot be negative or zero: " + segResAttemp);
        checkSegmentOnStart();
    }
    spi.setMetricsProvider(createMetricsProvider());
    if (ctx.security().enabled()) {
        if (isSecurityCompatibilityMode())
            ctx.addNodeAttribute(ATTR_SECURITY_COMPATIBILITY_MODE, true);
        spi.setAuthenticator(new DiscoverySpiNodeAuthenticator() {

            @Override
            public SecurityContext authenticateNode(ClusterNode node, SecurityCredentials cred) {
                try {
                    return ctx.security().authenticateNode(node, cred);
                } catch (IgniteCheckedException e) {
                    throw U.convertException(e);
                }
            }

            @Override
            public boolean isGlobalNodeAuthentication() {
                return ctx.security().isGlobalNodeAuthentication();
            }
        });
    }
    if (ctx.config().getCommunicationFailureResolver() != null)
        ctx.resource().injectGeneric(ctx.config().getCommunicationFailureResolver());
    // Shared reference between DiscoverySpiListener and DiscoverySpiDataExchange.
    AtomicReference<IgniteFuture<?>> lastStateChangeEvtLsnrFutRef = new AtomicReference<>();
    spi.setListener(new DiscoverySpiListener() {

        private long gridStartTime;

        private final Marshaller marshaller = MarshallerUtils.jdkMarshaller(ctx.igniteInstanceName());

        /**
         * {@inheritDoc}
         */
        @Override
        public void onLocalNodeInitialized(ClusterNode locNode) {
            for (IgniteInClosure<ClusterNode> lsnr : locNodeInitLsnrs) lsnr.apply(locNode);
            if (locNode instanceof IgniteClusterNode) {
                final IgniteClusterNode node = (IgniteClusterNode) locNode;
                if (consistentId != null)
                    node.setConsistentId(consistentId);
            }
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public IgniteFuture<?> onDiscovery(DiscoveryNotification notification) {
            GridFutureAdapter<?> notificationFut = new GridFutureAdapter<>();
            discoNtfWrk.submit(notificationFut, ctx.security().enabled() ? new SecurityAwareNotificationTask(notification) : new NotificationTask(notification));
            IgniteFuture<?> fut = new IgniteFutureImpl<>(notificationFut);
            // TODO could be optimized with more specific conditions.
            switch(notification.type()) {
                case EVT_NODE_JOINED:
                case EVT_NODE_LEFT:
                case EVT_NODE_FAILED:
                    if (!CU.isPersistenceEnabled(ctx.config()))
                        lastStateChangeEvtLsnrFutRef.set(fut);
                    break;
                case EVT_DISCOVERY_CUSTOM_EVT:
                    lastStateChangeEvtLsnrFutRef.set(fut);
            }
            return fut;
        }

        /**
         * @param notification Notification.
         */
        private void onDiscovery0(DiscoveryNotification notification) {
            int type = notification.type();
            ClusterNode node = notification.getNode();
            long topVer = notification.getTopVer();
            DiscoveryCustomMessage customMsg = notification.getCustomMsgData() == null ? null : ((CustomMessageWrapper) notification.getCustomMsgData()).delegate();
            if (skipMessage(notification.type(), customMsg))
                return;
            final ClusterNode locNode = localNode();
            if (notification.getTopHist() != null)
                topHist = notification.getTopHist();
            boolean verChanged;
            if (type == EVT_NODE_METRICS_UPDATED)
                verChanged = false;
            else {
                if (type != EVT_NODE_SEGMENTED && type != EVT_CLIENT_NODE_DISCONNECTED && type != EVT_CLIENT_NODE_RECONNECTED && type != EVT_DISCOVERY_CUSTOM_EVT) {
                    minorTopVer = 0;
                    verChanged = true;
                } else
                    verChanged = false;
            }
            if (type == EVT_NODE_FAILED || type == EVT_NODE_LEFT) {
                for (DiscoCache c : discoCacheHist.values()) c.updateAlives(node);
                updateClientNodes(node.id());
            }
            boolean locJoinEvt = type == EVT_NODE_JOINED && node.id().equals(locNode.id());
            ChangeGlobalStateFinishMessage stateFinishMsg = null;
            if (type == EVT_NODE_FAILED || type == EVT_NODE_LEFT)
                stateFinishMsg = ctx.state().onNodeLeft(node);
            final AffinityTopologyVersion nextTopVer;
            if (type == EVT_DISCOVERY_CUSTOM_EVT) {
                assert customMsg != null;
                boolean incMinorTopVer;
                if (customMsg instanceof ChangeGlobalStateMessage) {
                    incMinorTopVer = ctx.state().onStateChangeMessage(new AffinityTopologyVersion(topVer, minorTopVer), (ChangeGlobalStateMessage) customMsg, discoCache());
                } else if (customMsg instanceof ChangeGlobalStateFinishMessage) {
                    ctx.state().onStateFinishMessage((ChangeGlobalStateFinishMessage) customMsg);
                    Snapshot snapshot = topSnap.get();
                    // Topology version does not change, but need create DiscoCache with new state.
                    DiscoCache discoCache = snapshot.discoCache.copy(snapshot.topVer, ctx.state().clusterState());
                    topSnap.set(new Snapshot(snapshot.topVer, discoCache));
                    incMinorTopVer = false;
                } else {
                    incMinorTopVer = ctx.cache().onCustomEvent(customMsg, new AffinityTopologyVersion(topVer, minorTopVer), node);
                }
                if (incMinorTopVer) {
                    minorTopVer++;
                    verChanged = true;
                }
                nextTopVer = new AffinityTopologyVersion(topVer, minorTopVer);
                if (incMinorTopVer)
                    ctx.cache().onDiscoveryEvent(type, customMsg, node, nextTopVer, ctx.state().clusterState());
            } else {
                nextTopVer = new AffinityTopologyVersion(topVer, minorTopVer);
                ctx.cache().onDiscoveryEvent(type, customMsg, node, nextTopVer, ctx.state().clusterState());
            }
            DiscoCache discoCache;
            // event notifications, since SPI notifies manager about all events from this listener.
            if (verChanged) {
                Snapshot snapshot = topSnap.get();
                if (customMsg == null) {
                    discoCache = createDiscoCache(nextTopVer, ctx.state().clusterState(), locNode, notification.getTopSnapshot());
                } else if (customMsg instanceof ChangeGlobalStateMessage) {
                    discoCache = createDiscoCache(nextTopVer, ctx.state().pendingState((ChangeGlobalStateMessage) customMsg), locNode, notification.getTopSnapshot());
                } else
                    discoCache = customMsg.createDiscoCache(GridDiscoveryManager.this, nextTopVer, snapshot.discoCache);
                discoCacheHist.put(nextTopVer, discoCache);
                assert snapshot.topVer.compareTo(nextTopVer) < 0 : "Topology version out of order [this.topVer=" + topSnap + ", topVer=" + topVer + ", node=" + node + ", nextTopVer=" + nextTopVer + ", evt=" + U.gridEventName(type) + ']';
                topSnap.set(new Snapshot(nextTopVer, discoCache));
            } else
                // Current version.
                discoCache = discoCache();
            if (locJoinEvt || !node.isClient() && !node.isDaemon()) {
                if (type == EVT_NODE_LEFT || type == EVT_NODE_FAILED || type == EVT_NODE_JOINED) {
                    boolean discoCacheRecalculationRequired = ctx.state().autoAdjustInMemoryClusterState(node.id(), notification.getTopSnapshot(), discoCache, topVer, minorTopVer);
                    if (discoCacheRecalculationRequired) {
                        discoCache = createDiscoCache(nextTopVer, ctx.state().clusterState(), locNode, notification.getTopSnapshot());
                        discoCacheHist.put(nextTopVer, discoCache);
                        topSnap.set(new Snapshot(nextTopVer, discoCache));
                    }
                }
            }
            if (type == EVT_DISCOVERY_CUSTOM_EVT) {
                for (Class cls = customMsg.getClass(); cls != null; cls = cls.getSuperclass()) {
                    List<CustomEventListener<DiscoveryCustomMessage>> list = customEvtLsnrs.get(cls);
                    if (list != null) {
                        for (CustomEventListener<DiscoveryCustomMessage> lsnr : list) {
                            try {
                                lsnr.onCustomEvent(nextTopVer, node, customMsg);
                            } catch (Exception e) {
                                U.error(log, "Failed to notify direct custom event listener: " + customMsg, e);
                            }
                        }
                    }
                }
            }
            SecurityContext secCtx = remoteSecurityContext(ctx);
            // If this is a local join event, just save it and do not notify listeners.
            if (locJoinEvt) {
                if (gridStartTime == 0)
                    gridStartTime = getSpi().getGridStartTime();
                topSnap.set(new Snapshot(nextTopVer, discoCache));
                startLatch.countDown();
                DiscoveryEvent discoEvt = new DiscoveryEvent();
                discoEvt.node(ctx.discovery().localNode());
                discoEvt.eventNode(node);
                discoEvt.type(EVT_NODE_JOINED);
                discoEvt.topologySnapshot(topVer, new ArrayList<>(F.view(notification.getTopSnapshot(), FILTER_NOT_DAEMON)));
                if (notification.getSpanContainer() != null)
                    discoEvt.span(notification.getSpanContainer().span());
                discoWrk.discoCache = discoCache;
                if (!ctx.clientDisconnected()) {
                    // The security processor must be notified first, since {@link IgniteSecurity#onLocalJoin}
                    // finishes local node security context initialization that can be demanded by other Ignite
                    // components.
                    ctx.security().onLocalJoin();
                    if (!isLocDaemon) {
                        ctx.cache().context().versions().onLocalJoin(topVer);
                        ctx.cache().context().coordinators().onLocalJoin(discoEvt, discoCache);
                        ctx.cache().context().exchange().onLocalJoin(discoEvt, discoCache);
                        ctx.service().onLocalJoin(discoEvt, discoCache);
                        ctx.encryption().onLocalJoin();
                        ctx.cluster().onLocalJoin();
                    }
                }
                IgniteInternalFuture<Boolean> transitionWaitFut = ctx.state().onLocalJoin(discoCache);
                locJoin.onDone(new DiscoveryLocalJoinData(discoEvt, discoCache, transitionWaitFut, ctx.state().clusterState().active()));
                return;
            } else if (type == EVT_CLIENT_NODE_DISCONNECTED) {
                assert locNode.isClient() : locNode;
                assert node.isClient() : node;
                ((IgniteKernal) ctx.grid()).onDisconnected();
                if (!locJoin.isDone())
                    locJoin.onDone(new IgniteCheckedException("Node disconnected"));
                locJoin = new GridFutureAdapter<>();
                registeredCaches.clear();
                registeredCacheGrps.clear();
                for (AffinityTopologyVersion histVer : discoCacheHist.keySet()) {
                    Object rmvd = discoCacheHist.remove(histVer);
                    assert rmvd != null : histVer;
                }
                topHist.clear();
                topSnap.set(new Snapshot(AffinityTopologyVersion.ZERO, createDiscoCache(AffinityTopologyVersion.ZERO, ctx.state().clusterState(), locNode, Collections.singleton(locNode))));
            } else if (type == EVT_CLIENT_NODE_RECONNECTED) {
                assert locNode.isClient() : locNode;
                assert node.isClient() : node;
                ctx.security().onLocalJoin();
                boolean clusterRestarted = gridStartTime != getSpi().getGridStartTime();
                gridStartTime = getSpi().getGridStartTime();
                ((IgniteKernal) ctx.grid()).onReconnected(clusterRestarted);
                ctx.cache().context().coordinators().onLocalJoin(localJoinEvent(), discoCache);
                ctx.cache().context().exchange().onLocalJoin(localJoinEvent(), discoCache);
                ctx.service().onLocalJoin(localJoinEvent(), discoCache);
                DiscoCache discoCache0 = discoCache;
                ctx.cluster().clientReconnectFuture().listen(new CI1<IgniteFuture<?>>() {

                    @Override
                    public void apply(IgniteFuture<?> fut) {
                        try {
                            fut.get();
                            discoWrk.addEvent(new NotificationEvent(EVT_CLIENT_NODE_RECONNECTED, nextTopVer, node, discoCache0, notification.getTopSnapshot(), null, notification.getSpanContainer(), secCtx));
                        } catch (IgniteException ignore) {
                        // No-op.
                        }
                    }
                });
                return;
            }
            if (type == EVT_CLIENT_NODE_DISCONNECTED || type == EVT_NODE_SEGMENTED || !ctx.clientDisconnected())
                discoWrk.addEvent(new NotificationEvent(type, nextTopVer, node, discoCache, notification.getTopSnapshot(), customMsg, notification.getSpanContainer(), secCtx));
            if (stateFinishMsg != null)
                discoWrk.addEvent(new NotificationEvent(EVT_DISCOVERY_CUSTOM_EVT, nextTopVer, node, discoCache, notification.getTopSnapshot(), stateFinishMsg, notification.getSpanContainer(), secCtx));
            if (type == EVT_CLIENT_NODE_DISCONNECTED)
                discoWrk.awaitDisconnectEvent();
        }

        /**
         * Extends {@link NotificationTask} to run in a security context owned by the initiator of the
         * discovery event.
         */
        class SecurityAwareNotificationTask extends NotificationTask {

            /**
             */
            public SecurityAwareNotificationTask(DiscoveryNotification notification) {
                super(notification);
            }

            /**
             */
            @Override
            public void run() {
                DiscoverySpiCustomMessage customMsg = notification.getCustomMsgData();
                if (customMsg instanceof SecurityAwareCustomMessageWrapper) {
                    UUID secSubjId = ((SecurityAwareCustomMessageWrapper) customMsg).securitySubjectId();
                    try (OperationSecurityContext ignored = ctx.security().withContext(secSubjId)) {
                        super.run();
                    }
                } else {
                    SecurityContext initiatorNodeSecCtx = nodeSecurityContext(marshaller, U.resolveClassLoader(ctx.config()), notification.getNode());
                    try (OperationSecurityContext ignored = ctx.security().withContext(initiatorNodeSecCtx)) {
                        super.run();
                    }
                }
            }
        }

        /**
         * Represents task to handle discovery notification asynchronously.
         */
        class NotificationTask implements Runnable {

            /**
             */
            protected final DiscoveryNotification notification;

            /**
             */
            public NotificationTask(DiscoveryNotification notification) {
                this.notification = notification;
            }

            /**
             * {@inheritDoc}
             */
            @Override
            public void run() {
                synchronized (discoEvtMux) {
                    onDiscovery0(notification);
                }
            }
        }
    });
    spi.setDataExchange(new DiscoverySpiDataExchange() {

        @Override
        public DiscoveryDataBag collect(DiscoveryDataBag dataBag) {
            assert dataBag != null;
            assert dataBag.joiningNodeId() != null;
            if (ctx.localNodeId().equals(dataBag.joiningNodeId())) {
                for (GridComponent c : ctx.components()) c.collectJoiningNodeData(dataBag);
            } else {
                waitForLastStateChangeEventFuture();
                for (GridComponent c : ctx.components()) c.collectGridNodeData(dataBag);
            }
            return dataBag;
        }

        @Override
        public void onExchange(DiscoveryDataBag dataBag) {
            assert dataBag != null;
            assert dataBag.joiningNodeId() != null;
            if (ctx.localNodeId().equals(dataBag.joiningNodeId())) {
                // NodeAdded msg reached joining node after round-trip over the ring.
                IGridClusterStateProcessor stateProc = ctx.state();
                stateProc.onGridDataReceived(dataBag.gridDiscoveryData(stateProc.discoveryDataType().ordinal()));
                for (GridComponent c : ctx.components()) {
                    if (c.discoveryDataType() != null && c != stateProc)
                        c.onGridDataReceived(dataBag.gridDiscoveryData(c.discoveryDataType().ordinal()));
                }
            } else {
                // Discovery data from newly joined node has to be applied to the current old node.
                IGridClusterStateProcessor stateProc = ctx.state();
                JoiningNodeDiscoveryData data0 = dataBag.newJoinerDiscoveryData(stateProc.discoveryDataType().ordinal());
                assert data0 != null;
                stateProc.onJoiningNodeDataReceived(data0);
                for (GridComponent c : ctx.components()) {
                    if (c.discoveryDataType() != null && c != stateProc) {
                        JoiningNodeDiscoveryData data = dataBag.newJoinerDiscoveryData(c.discoveryDataType().ordinal());
                        if (data != null)
                            c.onJoiningNodeDataReceived(data);
                    }
                }
            }
        }

        /**
         */
        private void waitForLastStateChangeEventFuture() {
            IgniteFuture<?> lastStateChangeEvtLsnrFut = lastStateChangeEvtLsnrFutRef.get();
            if (lastStateChangeEvtLsnrFut != null) {
                Thread currThread = Thread.currentThread();
                GridWorker worker = currThread instanceof IgniteDiscoveryThread ? ((IgniteDiscoveryThread) currThread).worker() : null;
                if (worker != null)
                    worker.blockingSectionBegin();
                try {
                    lastStateChangeEvtLsnrFut.get();
                } finally {
                    // Guaranteed to be invoked in the same thread as DiscoverySpiListener#onDiscovery.
                    // No additional synchronization for reference is required.
                    lastStateChangeEvtLsnrFutRef.set(null);
                    if (worker != null)
                        worker.blockingSectionEnd();
                }
            }
        }
    });
    new DiscoveryMessageNotifierThread(discoNtfWrk).start();
    startSpi();
    registeredDiscoSpi = true;
    try {
        U.await(startLatch);
    } catch (IgniteInterruptedException e) {
        throw new IgniteCheckedException("Failed to start discovery manager (thread has been interrupted).", e);
    }
    // Start segment check worker only if frequency is greater than 0.
    if (hasRslvrs && segChkFreq > 0) {
        segChkWrk = new SegmentCheckWorker();
        segChkThread = new IgniteThread(segChkWrk);
        segChkThread.setUncaughtExceptionHandler(new OomExceptionHandler(ctx));
        segChkThread.start();
    }
    locNode = spi.getLocalNode();
    checkAttributes(discoCache().remoteNodes());
    // Start discovery worker.
    new IgniteThread(discoWrk).start();
    if (log.isDebugEnabled())
        log.debug(startInfo());
}

Example 3 with DiscoveryNotification

use of org.apache.ignite.spi.discovery.DiscoveryNotification in project ignite by apache.

the class ZookeeperDiscoveryImpl method notifyCustomEvent.

/**
 * @param evtData Event data.
 * @param msg Custom message.
 */
private void notifyCustomEvent(final ZkDiscoveryCustomEventData evtData, final DiscoverySpiCustomMessage msg) {
    assert !(msg instanceof ZkInternalMessage) : msg;
    if (log.isDebugEnabled())
        log.debug(" [topVer=" + evtData.topologyVersion() + ", msg=" + msg + ']');
    final ZookeeperClusterNode sndNode = rtState.top.nodesById.get(evtData.sndNodeId);
    assert sndNode != null : evtData;
    final List<ClusterNode> topSnapshot = rtState.top.topologySnapshot();
    IgniteFuture<?> fut = lsnr.onDiscovery(new DiscoveryNotification(DiscoveryCustomEvent.EVT_DISCOVERY_CUSTOM_EVT, evtData.topologyVersion(), sndNode, topSnapshot, Collections.emptyMap(), msg, null));
    if (msg != null && msg.isMutable())
        fut.get();
}

Example 4 with DiscoveryNotification

use of org.apache.ignite.spi.discovery.DiscoveryNotification in project ignite by apache.

the class ServerImpl method spiStop0.

/**
 * Stops SPI finally or stops SPI for restart.
 *
 * @param disconnect {@code True} if SPI is being disconnected.
 * @throws IgniteSpiException If failed.
 */
private void spiStop0(boolean disconnect) throws IgniteSpiException {
    if (log.isDebugEnabled()) {
        if (disconnect)
            log.debug("Disconnecting SPI.");
        else
            log.debug("Preparing to start local node stop procedure.");
    }
    if (disconnect) {
        synchronized (mux) {
            spiState = DISCONNECTING;
        }
    }
    if (msgWorker != null && msgWorker.runner() != null && msgWorker.runner().isAlive() && !disconnect) {
        // Send node left message only if it is final stop.
        TcpDiscoveryNodeLeftMessage nodeLeftMsg = new TcpDiscoveryNodeLeftMessage(locNode.id());
        Span rootSpan = tracing.create(TraceableMessagesTable.traceName(nodeLeftMsg.getClass())).addTag(SpanTags.tag(SpanTags.EVENT_NODE, SpanTags.ID), () -> locNode.id().toString()).addTag(SpanTags.tag(SpanTags.EVENT_NODE, SpanTags.CONSISTENT_ID), () -> locNode.consistentId().toString()).addLog(() -> "Created");
        nodeLeftMsg.spanContainer().serializedSpanBytes(tracing.serialize(rootSpan));
        msgWorker.addMessage(nodeLeftMsg);
        rootSpan.addLog(() -> "Sent").end();
        synchronized (mux) {
            long timeout = spi.netTimeout;
            long thresholdNanos = System.nanoTime() + U.millisToNanos(timeout);
            while (spiState != LEFT && timeout > 0) {
                try {
                    mux.wait(timeout);
                    timeout = U.nanosToMillis(thresholdNanos - System.nanoTime());
                } catch (InterruptedException ignored) {
                    Thread.currentThread().interrupt();
                    break;
                }
            }
            if (spiState == LEFT) {
                if (log.isDebugEnabled())
                    log.debug("Verification for local node leave has been received from coordinator" + " (continuing stop procedure).");
            } else if (log.isInfoEnabled()) {
                log.info("No verification for local node leave has been received from coordinator" + " (will stop node anyway).");
            }
        }
    }
    if (tcpSrvr != null)
        tcpSrvr.stop();
    tcpSrvr = null;
    Collection<SocketReader> tmp;
    synchronized (mux) {
        tmp = U.arrayList(readers);
    }
    U.interrupt(tmp);
    U.joinThreads(tmp, log);
    U.interrupt(ipFinderCleaner);
    U.join(ipFinderCleaner, log);
    U.cancel(msgWorker);
    U.join(msgWorker, log);
    for (ClientMessageWorker clientWorker : clientMsgWorkers.values()) {
        if (clientWorker != null) {
            U.interrupt(clientWorker.runner());
            U.join(clientWorker.runner(), log);
        }
    }
    clientMsgWorkers.clear();
    IgniteUtils.shutdownNow(ServerImpl.class, utilityPool, log);
    U.interrupt(statsPrinter);
    U.join(statsPrinter, log);
    Collection<TcpDiscoveryNode> nodes = null;
    if (!disconnect)
        spi.printStopInfo();
    else {
        spi.getSpiContext().deregisterPorts();
        nodes = ring.visibleNodes();
    }
    long topVer = ring.topologyVersion();
    ring.clear();
    if (nodes != null) {
        // This is restart/disconnection and we need to fire FAIL event for each remote node.
        DiscoverySpiListener lsnr = spi.lsnr;
        if (lsnr != null) {
            Collection<ClusterNode> processed = new HashSet<>(nodes.size());
            for (TcpDiscoveryNode n : nodes) {
                if (n.isLocal())
                    continue;
                assert n.visible();
                processed.add(n);
                List<ClusterNode> top = U.arrayList(nodes, F.notIn(processed));
                topVer++;
                Map<Long, Collection<ClusterNode>> hist = updateTopologyHistory(topVer, Collections.unmodifiableList(top));
                lsnr.onDiscovery(new DiscoveryNotification(EVT_NODE_FAILED, topVer, n, top, hist, null, null)).get();
            }
        }
    }
    printStatistics();
    spi.stats.clear();
    synchronized (mux) {
        // Clear stored data.
        leavingNodes.clear();
        failedNodes.clear();
        spiState = DISCONNECTED;
    }
}

Example 5 with DiscoveryNotification

use of org.apache.ignite.spi.discovery.DiscoveryNotification in project ignite by apache.

the class ServerImpl method notifyDiscovery.

/**
 * Notify external listener on discovery event.
 *
 * @param type Discovery event type. See {@link org.apache.ignite.events.DiscoveryEvent} for more details.
 * @param topVer Topology version.
 * @param node Remote node this event is connected with.
 */
private boolean notifyDiscovery(int type, long topVer, TcpDiscoveryNode node, SpanContainer spanContainer) {
    assert type > 0;
    assert node != null;
    DiscoverySpiListener lsnr = spi.lsnr;
    TcpDiscoverySpiState spiState = spiStateCopy();
    DebugLogger log = type == EVT_NODE_METRICS_UPDATED ? traceLog : debugLog;
    if (lsnr != null && node.visible() && (spiState == CONNECTED || spiState == DISCONNECTING)) {
        if (log.isDebugEnabled())
            log.debug("Discovery notification [node=" + node + ", spiState=" + spiState + ", type=" + U.gridEventName(type) + ", topVer=" + topVer + ']');
        Collection<ClusterNode> top = upcast(ring.visibleNodes());
        Map<Long, Collection<ClusterNode>> hist = updateTopologyHistory(topVer, top);
        lsnr.onDiscovery(new DiscoveryNotification(type, topVer, node, top, hist, null, spanContainer));
        return true;
    } else {
        if (log.isDebugEnabled())
            log.debug("Skipped discovery notification [node=" + node + ", spiState=" + spiState + ", type=" + U.gridEventName(type) + ", topVer=" + topVer + ']');
    }
    return false;
}