Examples with JournalNetworkException com.questdb.std.ex.JournalNetworkException used on opensource projects

Example 1 with JournalNetworkException

use of com.questdb.std.ex.JournalNetworkException in project questdb by bluestreak01.

the class SecureSocketChannel method write.

@Override
public int write(ByteBuffer src) throws IOException {
    if (handshakeStatus != SSLEngineResult.HandshakeStatus.FINISHED) {
        handshake();
    }
    int count = src.remaining();
    while (src.hasRemaining()) {
        outBuf.clear();
        SSLEngineResult result = engine.wrap(src, outBuf);
        if (result.getStatus() != SSLEngineResult.Status.OK) {
            throw new IOException("Expected OK, got: " + result.getStatus());
        }
        outBuf.flip();
        try {
            ByteBuffers.copy(outBuf, socketChannel);
        } catch (JournalNetworkException e) {
            throw new IOException(e);
        }
    }
    return count;
}

Example 2 with JournalNetworkException

use of com.questdb.std.ex.JournalNetworkException in project questdb by bluestreak01.

the class JournalClient method unsubscribe.

private void unsubscribe(int index, JournalWriter writer, SubscriptionHolder holder, int reason) {
    JournalDeltaConsumer deltaConsumer = deltaConsumers.getQuiet(index);
    if (deltaConsumer != null) {
        deltaConsumer.free();
    }
    if (writer != null && writersToClose.remove(writer) > -1) {
        writer.close();
    }
    if (index < writers.size()) {
        writers.setQuick(index, null);
    }
    try {
        commandProducer.write(channel, Command.REMOVE_KEY_CMD);
        setKeyRequestProducer.write(channel, new IndexedJournalKey(index, holder.remote));
        checkAck();
    } catch (JournalNetworkException e) {
        LOG.error().$("Failed to unsubscribe journal ").$(holder.remote.getName()).$(e).$();
        notifyCallback(JournalClientEvents.EVT_UNSUB_REJECT);
    }
    if (reason == JournalEvents.EVT_JNL_INCOMPATIBLE) {
        // remove from duplicate check set
        subscribedJournals.remove(holder.local.getName());
        // remove from re-subscription list
        for (int i = 0, n = subscriptions.size(); i < n; i++) {
            SubscriptionHolder h = subscriptions.getQuick(i);
            if (h.local.getName().equals(holder.local.getName())) {
                subscriptions.remove(i);
                break;
            }
        }
    }
    if (holder.listener != null) {
        holder.listener.onEvent(reason);
    }
}

Example 3 with JournalNetworkException

use of com.questdb.std.ex.JournalNetworkException in project questdb by bluestreak01.

the class JournalClient method openChannel.

private void openChannel() throws JournalNetworkException {
    if (this.channel == null || !this.channel.isOpen()) {
        SocketChannel channel = config.openSocketChannel();
        try {
            statsChannel = new StatsCollectingReadableByteChannel(channel.getRemoteAddress());
        } catch (IOException e) {
            throw new JournalNetworkException("Cannot get remote address", e);
        }
        SslConfig sslConfig = config.getSslConfig();
        if (sslConfig.isSecure()) {
            this.channel = new SecureSocketChannel(channel, sslConfig);
        } else {
            this.channel = channel;
        }
    }
}

Example 4 with JournalNetworkException

use of com.questdb.std.ex.JournalNetworkException in project questdb by bluestreak01.

the class JournalClient method subscribeOne.

private void subscribeOne(int index, SubscriptionHolder holder, String name, boolean newSubscription) {
    if (newSubscription) {
        SubscriptionHolder sub = new SubscriptionHolder();
        sub.local = holder.local;
        sub.remote = holder.remote;
        sub.listener = holder.listener;
        sub.writer = holder.writer;
        subscriptions.add(sub);
    }
    JournalWriter<?> writer = writers.getQuiet(index);
    try {
        commandProducer.write(channel, Command.ADD_KEY_CMD);
        setKeyRequestProducer.write(channel, new IndexedJournalKey(index, holder.remote));
        checkAck();
        // todo: do we really have to use file here?
        JournalMetadata<?> metadata;
        File file = Files.makeTempFile();
        try {
            try (HugeBufferConsumer h = new HugeBufferConsumer(file)) {
                h.read(channel);
                metadata = new JournalMetadata(h.getHb(), name);
            } catch (JournalException e) {
                throw new JournalNetworkException(e);
            }
        } finally {
            Files.delete(file);
        }
        boolean validate = true;
        if (writer == null) {
            if (holder.writer == null) {
                try {
                    writer = factory.writer(metadata);
                } catch (JournalException e) {
                    LOG.error().$("Failed to create writer: ").$(e).$();
                    unsubscribe(index, null, holder, JournalEvents.EVT_JNL_INCOMPATIBLE);
                    return;
                }
                writersToClose.add(writer);
                validate = false;
            } else {
                writer = holder.writer;
            }
            writer.disableCommitOnClose();
            statusSentList.extendAndSet(index, 0);
            deltaConsumers.extendAndSet(index, new JournalDeltaConsumer(writer));
            writers.extendAndSet(index, writer);
            writer.setJournalListener(holder.listener);
        } else {
            statusSentList.setQuick(index, 0);
        }
        if (validate && !metadata.isCompatible(writer.getMetadata(), false)) {
            LOG.error().$("Journal ").$(holder.local.getName()).$(" is not compatible with ").$(holder.remote.getName()).$("(remote)").$();
            unsubscribe(index, writer, holder, JournalEvents.EVT_JNL_INCOMPATIBLE);
            return;
        }
        commandProducer.write(channel, Command.DELTA_REQUEST_CMD);
        journalClientStateProducer.write(channel, new IndexedJournal(index, writer));
        checkAck();
        statusSentList.setQuick(index, 1);
        if (holder.listener != null) {
            holder.listener.onEvent(JournalEvents.EVT_JNL_SUBSCRIBED);
        }
        LOG.info().$("Subscribed ").$(name).$(" to ").$(holder.remote.getName()).$("(remote)").$();
    } catch (JournalNetworkException e) {
        LOG.error().$("Failed to subscribe ").$(name).$(" to ").$(holder.remote.getName()).$("(remote)").$();
        unsubscribe(index, writer, holder, JournalEvents.EVT_JNL_SERVER_ERROR);
    }
}

Example 5 with JournalNetworkException

use of com.questdb.std.ex.JournalNetworkException in project questdb by bluestreak01.

the class HugeBufferConsumer method read.

@Override
public void read(ReadableByteChannel channel) throws JournalNetworkException {
    try {
        header.position(0);
        channel.read(header);
        long target = Unsafe.getUnsafe().getLong(headerAddress);
        long pos = 0;
        while (pos < target) {
            pos += ByteBuffers.copy(channel, hb.getBuffer(pos), target - pos);
        }
    } catch (IOException e) {
        throw new JournalNetworkException(e);
    }
}