Examples with ClientConnectionException org.apache.ignite.client.ClientConnectionException used on opensource projects

Example 6 with ClientConnectionException

use of org.apache.ignite.client.ClientConnectionException in project ignite by apache.

the class ReliableChannel method applyOnDefaultChannel.

/**
 * Apply specified {@code function} on any of available channel.
 */
private <T> T applyOnDefaultChannel(Function<ClientChannel, T> function, ClientOperation op, int attemptsLimit, Consumer<Integer> attemptsCallback) {
    ClientConnectionException failure = null;
    for (int attempt = 0; attempt < attemptsLimit; attempt++) {
        ClientChannelHolder hld = null;
        ClientChannel c = null;
        try {
            if (closed)
                throw new ClientException("Channel is closed");
            curChannelsGuard.readLock().lock();
            try {
                hld = channels.get(curChIdx);
            } finally {
                curChannelsGuard.readLock().unlock();
            }
            c = hld.getOrCreateChannel();
            if (c != null) {
                attemptsCallback.accept(attempt + 1);
                return function.apply(c);
            }
        } catch (ClientConnectionException e) {
            if (failure == null)
                failure = e;
            else
                failure.addSuppressed(e);
            onChannelFailure(hld, c);
            if (op != null && !shouldRetry(op, attempt, e))
                break;
        }
    }
    throw failure;
}

Example 7 with ClientConnectionException

use of org.apache.ignite.client.ClientConnectionException in project ignite by apache.

the class ReliableChannel method affinityServiceAsync.

/**
 * Send request to affinity node and handle response.
 */
public <T> IgniteClientFuture<T> affinityServiceAsync(int cacheId, Object key, ClientOperation op, Consumer<PayloadOutputChannel> payloadWriter, Function<PayloadInputChannel, T> payloadReader) throws ClientException, ClientError {
    if (partitionAwarenessEnabled && affinityInfoIsUpToDate(cacheId)) {
        UUID affNodeId = affinityCtx.affinityNode(cacheId, key);
        if (affNodeId != null) {
            CompletableFuture<T> fut = new CompletableFuture<>();
            Object result = applyOnNodeChannel(affNodeId, channel -> channel.serviceAsync(op, payloadWriter, payloadReader).handle((res, err) -> {
                if (err == null) {
                    fut.complete(res);
                    return null;
                }
                try {
                    // Will try to reinit channels if topology changed.
                    onChannelFailure(channel);
                } catch (Throwable ex) {
                    fut.completeExceptionally(ex);
                    return null;
                }
                if (err instanceof ClientConnectionException) {
                    ClientConnectionException failure = (ClientConnectionException) err;
                    int attemptsLimit = getRetryLimit() - 1;
                    if (attemptsLimit == 0 || !shouldRetry(op, 0, failure)) {
                        fut.completeExceptionally(err);
                        return null;
                    }
                    handleServiceAsync(fut, op, payloadWriter, payloadReader, attemptsLimit, failure);
                    return null;
                }
                fut.completeExceptionally(err);
                return null;
            }));
            if (result != null)
                return new IgniteClientFutureImpl<>(fut);
        }
    }
    return serviceAsync(op, payloadWriter, payloadReader);
}

Example 8 with ClientConnectionException

use of org.apache.ignite.client.ClientConnectionException in project ignite by apache.

the class GridNioClientConnectionMultiplexer method open.

/**
 * {@inheritDoc}
 */
@Override
public ClientConnection open(InetSocketAddress addr, ClientMessageHandler msgHnd, ClientConnectionStateHandler stateHnd) throws ClientConnectionException {
    try {
        SocketChannel ch = SocketChannel.open();
        ch.socket().connect(new InetSocketAddress(addr.getHostName(), addr.getPort()), Integer.MAX_VALUE);
        Map<Integer, Object> meta = new HashMap<>();
        GridNioFuture<?> sslHandshakeFut = null;
        if (sslCtx != null) {
            sslHandshakeFut = new GridNioFutureImpl<>(null);
            meta.put(GridNioSslFilter.HANDSHAKE_FUT_META_KEY, sslHandshakeFut);
        }
        GridNioSession ses = srv.createSession(ch, meta, false, null).get();
        if (sslHandshakeFut != null)
            sslHandshakeFut.get();
        return new GridNioClientConnection(ses, msgHnd, stateHnd);
    } catch (Exception e) {
        throw new ClientConnectionException(e.getMessage(), e);
    }
}