Examples with GridClientDisconnectedException org.apache.ignite.internal.client.GridClientDisconnectedException used on opensource projects

Example 1 with GridClientDisconnectedException

use of org.apache.ignite.internal.client.GridClientDisconnectedException in project ignite by apache.

the class MetadataAbstractSubCommand method execute.

/**
 * {@inheritDoc}
 */
@Override
public final Object execute(GridClientConfiguration clientCfg, Logger log) throws Exception {
    try (GridClient client = Command.startClient(clientCfg)) {
        GridClientCompute compute = client.compute();
        // Try to find connectable server nodes.
        Collection<GridClientNode> nodes = compute.nodes((n) -> n.connectable() && !n.isClient());
        if (F.isEmpty(nodes)) {
            nodes = compute.nodes(GridClientNode::connectable);
            if (F.isEmpty(nodes))
                throw new GridClientDisconnectedException("Connectable nodes not found", null);
        }
        GridClientNode node = nodes.stream().findAny().orElse(null);
        if (node == null)
            node = compute.balancer().balancedNode(nodes);
        MetadataResultDto res = compute.projection(node).execute(taskName(), new VisorTaskArgument<>(node.nodeId(), arg(), false));
        printResult(res, log);
    } catch (Throwable e) {
        log.severe("Failed to execute metadata command='" + name() + "'");
        log.severe(CommandLogger.errorMessage(e));
        throw e;
    }
    return null;
}

Example 2 with GridClientDisconnectedException

use of org.apache.ignite.internal.client.GridClientDisconnectedException in project ignite by apache.

the class TaskExecutor method executeTaskByNameOnNode.

/**
 * @param client Client
 * @param taskClsName Task class name.
 * @param taskArgs Task args.
 * @param nodeId Node ID to execute task at (if null, random node will be chosen by balancer).
 * @param clientCfg
 * @return Task result.
 * @throws GridClientException If failed to execute task.
 */
public static <R> R executeTaskByNameOnNode(GridClient client, String taskClsName, Object taskArgs, UUID nodeId, GridClientConfiguration clientCfg) throws GridClientException {
    GridClientCompute compute = client.compute();
    if (nodeId == BROADCAST_UUID) {
        Collection<GridClientNode> nodes = compute.nodes(GridClientNode::connectable);
        if (F.isEmpty(nodes))
            throw new GridClientDisconnectedException("Connectable nodes not found", null);
        List<UUID> nodeIds = nodes.stream().map(GridClientNode::nodeId).collect(Collectors.toList());
        return client.compute().execute(taskClsName, new VisorTaskArgument<>(nodeIds, taskArgs, false));
    }
    GridClientNode node = null;
    if (nodeId == null) {
        // Prefer node from connect string.
        final String cfgAddr = clientCfg.getServers().iterator().next();
        String[] parts = cfgAddr.split(":");
        if (DFLT_HOST.equals(parts[0])) {
            InetAddress addr;
            try {
                addr = IgniteUtils.getLocalHost();
            } catch (IOException e) {
                throw new GridClientException("Can't get localhost name.", e);
            }
            if (addr.isLoopbackAddress())
                throw new GridClientException("Can't find localhost name.");
            String origAddr = addr.getHostName() + ":" + parts[1];
            node = listHosts(client).filter(tuple -> origAddr.equals(tuple.get2())).findFirst().map(IgniteBiTuple::get1).orElse(null);
            if (node == null)
                node = listHostsByClientNode(client).filter(tuple -> tuple.get2().size() == 1 && cfgAddr.equals(tuple.get2().get(0))).findFirst().map(IgniteBiTuple::get1).orElse(null);
        } else
            node = listHosts(client).filter(tuple -> cfgAddr.equals(tuple.get2())).findFirst().map(IgniteBiTuple::get1).orElse(null);
        // Otherwise choose random node.
        if (node == null)
            node = getBalancedNode(compute);
    } else {
        for (GridClientNode n : compute.nodes()) {
            if (n.connectable() && nodeId.equals(n.nodeId())) {
                node = n;
                break;
            }
        }
        if (node == null)
            throw new IllegalArgumentException("Node with id=" + nodeId + " not found");
    }
    return compute.projection(node).execute(taskClsName, new VisorTaskArgument<>(node.nodeId(), taskArgs, false));
}

Example 3 with GridClientDisconnectedException

use of org.apache.ignite.internal.client.GridClientDisconnectedException in project ignite by apache.

the class CommandHandler method executeTask.

/**
 * @param client Client
 * @return Task result.
 * @throws GridClientException If failed to execute task.
 */
private <R> R executeTask(GridClient client, Class<?> taskCls, Object taskArgs) throws GridClientException {
    GridClientCompute compute = client.compute();
    List<GridClientNode> nodes = new ArrayList<>();
    for (GridClientNode node : compute.nodes()) if (node.connectable())
        nodes.add(node);
    if (F.isEmpty(nodes))
        throw new GridClientDisconnectedException("Connectable node not found", null);
    GridClientNode node = compute.balancer().balancedNode(nodes);
    return compute.projection(node).execute(taskCls.getName(), new VisorTaskArgument<>(node.nodeId(), taskArgs, false));
}

Example 4 with GridClientDisconnectedException

use of org.apache.ignite.internal.client.GridClientDisconnectedException in project ignite by apache.

the class GridClientImpl method tryInitTopology.

/**
 * Tries to init client topology using configured set of servers or routers.
 *
 * @throws GridClientException If initialisation failed.
 * @throws InterruptedException If initialisation was interrupted.
 */
private void tryInitTopology() throws GridClientException, InterruptedException {
    boolean hasSrvs = routers.isEmpty();
    final Collection<InetSocketAddress> connSrvs = (hasSrvs) ? new LinkedHashSet<>(srvs) : routers;
    if (hasSrvs) {
        // Add REST endpoints for all nodes from previous topology snapshot.
        try {
            for (GridClientNodeImpl node : top.nodes()) {
                Collection<InetSocketAddress> endpoints = node.availableAddresses(cfg.getProtocol(), true);
                List<InetSocketAddress> resolvedEndpoints = new ArrayList<>(endpoints.size());
                for (InetSocketAddress endpoint : endpoints) if (!endpoint.isUnresolved())
                    resolvedEndpoints.add(endpoint);
                boolean sameHost = node.attributes().isEmpty() || F.containsAny(U.allLocalMACs(), node.attribute(ATTR_MACS).toString().split(", "));
                if (sameHost) {
                    Collections.sort(resolvedEndpoints, U.inetAddressesComparator(true));
                    connSrvs.addAll(resolvedEndpoints);
                } else {
                    for (InetSocketAddress endpoint : resolvedEndpoints) if (!endpoint.getAddress().isLoopbackAddress())
                        connSrvs.add(endpoint);
                }
            }
        } catch (GridClientDisconnectedException ignored) {
        // Ignore if latest topology update failed.
        }
    }
    connMgr.init(connSrvs);
    Map<String, GridClientCacheMode> overallCaches = new HashMap<>();
    for (GridClientNodeImpl node : top.nodes()) overallCaches.putAll(node.caches());
    for (Map.Entry<String, GridClientCacheMode> entry : overallCaches.entrySet()) {
        GridClientDataAffinity affinity = affinity(entry.getKey());
        if (affinity instanceof GridClientPartitionAffinity && entry.getValue() != GridClientCacheMode.PARTITIONED)
            log.warning(GridClientPartitionAffinity.class.getSimpleName() + " is used for a cache configured " + "for non-partitioned mode [cacheName=" + entry.getKey() + ", cacheMode=" + entry.getValue() + ']');
    }
}

Example 5 with GridClientDisconnectedException

use of org.apache.ignite.internal.client.GridClientDisconnectedException in project ignite by apache.

the class ClientFailedInitSelfTest method doTestRouter.

/**
 * @param p Protocol.
 * @throws Exception If failed.
 */
@SuppressWarnings("BusyWait")
private void doTestRouter(GridClientProtocol p) throws Exception {
    startRouters();
    GridClient c = client(p, true);
    for (int i = 0; i < RECONN_CNT; i++) {
        try {
            c.compute().nodes();
            fail("Nodes list should fail while grid is stopped.");
        } catch (GridClientDisconnectedException e) {
            assertTrue(X.hasCause(e, GridClientException.class));
        }
        startGrid();
        try {
            Thread.sleep(TOP_REFRESH_PERIOD * 2);
            c.compute().nodes();
            assertEquals("arg", c.compute().execute(TestTask.class.getName(), "arg"));
        } finally {
            stopGrid();
        }
        Thread.sleep(TOP_REFRESH_PERIOD * 2);
    }
}