Examples with MessageInput org.graylog2.plugin.inputs.MessageInput used on opensource projects

Example 56 with MessageInput

use of org.graylog2.plugin.inputs.MessageInput in project graylog2-server by Graylog2.

the class SyslogTcpTransport method getCustomChildChannelHandlers.

@Override
protected LinkedHashMap<String, Callable<? extends ChannelHandler>> getCustomChildChannelHandlers(MessageInput input) {
    final LinkedHashMap<String, Callable<? extends ChannelHandler>> finalChannelHandlers = new LinkedHashMap<>(super.getCustomChildChannelHandlers(input));
    // Replace the "framer" channel handler inserted by the parent.
    finalChannelHandlers.replace("framer", () -> new SyslogTCPFramingRouterHandler(maxFrameLength, delimiter));
    return finalChannelHandlers;
}

Example 57 with MessageInput

use of org.graylog2.plugin.inputs.MessageInput in project graylog2-server by Graylog2.

the class KafkaTransport method doLaunchLegacy.

private void doLaunchLegacy(final MessageInput input) {
    final Properties props = new Properties();
    props.put("group.id", configuration.getString(CK_GROUP_ID, DEFAULT_GROUP_ID));
    props.put("client.id", "gl2-" + nodeId.getShortNodeId() + "-" + input.getId());
    props.put("fetch.min.bytes", String.valueOf(configuration.getInt(CK_FETCH_MIN_BYTES)));
    props.put("fetch.wait.max.ms", String.valueOf(configuration.getInt(CK_FETCH_WAIT_MAX)));
    props.put("zookeeper.connect", configuration.getString(CK_ZOOKEEPER));
    props.put("auto.offset.reset", configuration.getString(CK_OFFSET_RESET, DEFAULT_OFFSET_RESET));
    // Default auto commit interval is 60 seconds. Reduce to 1 second to minimize message duplication
    // if something breaks.
    props.put("auto.commit.interval.ms", "1000");
    // Set a consumer timeout to avoid blocking on the consumer iterator.
    props.put("consumer.timeout.ms", "1000");
    insertCustomProperties(props);
    final int numThreads = configuration.getInt(CK_THREADS);
    final ConsumerConfig consumerConfig = new ConsumerConfig(props);
    cc = Consumer.createJavaConsumerConnector(consumerConfig);
    final TopicFilter filter = new Whitelist(configuration.getString(CK_TOPIC_FILTER));
    final List<KafkaStream<byte[], byte[]>> streams = cc.createMessageStreamsByFilter(filter, numThreads);
    // this is being used during shutdown to first stop all submitted jobs before committing the offsets back to zookeeper
    // and then shutting down the connection.
    // this is to avoid yanking away the connection from the consumer runnables
    stopLatch = new CountDownLatch(streams.size());
    for (final KafkaStream<byte[], byte[]> stream : streams) {
        executor.submit(new Runnable() {

            @Override
            public void run() {
                final ConsumerIterator<byte[], byte[]> consumerIterator = stream.iterator();
                boolean retry;
                do {
                    retry = false;
                    try {
                        // noinspection WhileLoopReplaceableByForEach
                        while (consumerIterator.hasNext()) {
                            if (paused) {
                                // we try not to spin here, so we wait until the lifecycle goes back to running.
                                LOG.debug("Message processing is paused, blocking until message processing is turned back on.");
                                Uninterruptibles.awaitUninterruptibly(pausedLatch);
                            }
                            // check for being stopped before actually getting the message, otherwise we could end up losing that message
                            if (stopped) {
                                break;
                            }
                            if (isThrottled()) {
                                blockUntilUnthrottled();
                            }
                            // process the message, this will immediately mark the message as having been processed. this gets tricky
                            // if we get an exception about processing it down below.
                            final MessageAndMetadata<byte[], byte[]> message = consumerIterator.next();
                            final byte[] bytes = message.message();
                            // it is possible that the message is null
                            if (bytes == null) {
                                continue;
                            }
                            totalBytesRead.addAndGet(bytes.length);
                            lastSecBytesReadTmp.addAndGet(bytes.length);
                            final RawMessage rawMessage = new RawMessage(bytes);
                            input.processRawMessage(rawMessage);
                        }
                    } catch (ConsumerTimeoutException e) {
                        // Happens when there is nothing to consume, retry to check again.
                        retry = true;
                    } catch (Exception e) {
                        LOG.error("Kafka consumer error, stopping consumer thread.", e);
                    }
                } while (retry && !stopped);
                // explicitly commit our offsets when stopping.
                // this might trigger a couple of times, but it won't hurt
                cc.commitOffsets();
                stopLatch.countDown();
            }
        });
    }
}

Example 58 with MessageInput

use of org.graylog2.plugin.inputs.MessageInput in project graylog2-server by Graylog2.

the class RandomMessageTransport method produceRawMessage.

@Override
protected RawMessage produceRawMessage(MessageInput input) {
    final byte[] payload;
    try {
        final FakeHttpRawMessageGenerator.GeneratorState state = generator.generateState();
        payload = objectMapper.writeValueAsBytes(state);
        final RawMessage raw = new RawMessage(payload);
        Thread.sleep(rateDeviation(sleepMs, maxSleepDeviation, rand));
        return raw;
    } catch (JsonProcessingException e) {
        log.error("Unable to serialize generator state", e);
    } catch (InterruptedException ignored) {
    }
    return null;
}

Example 59 with MessageInput

use of org.graylog2.plugin.inputs.MessageInput in project graylog2-server by Graylog2.

the class UdpTransport method getChildChannelHandlers.

@Override
protected LinkedHashMap<String, Callable<? extends ChannelHandler>> getChildChannelHandlers(final MessageInput input) {
    final LinkedHashMap<String, Callable<? extends ChannelHandler>> handlerList = new LinkedHashMap<>(getCustomChildChannelHandlers(input));
    final CodecAggregator aggregator = getAggregator();
    if (aggregator != null) {
        LOG.debug("Adding codec aggregator {} to channel pipeline", aggregator);
        handlerList.put("codec-aggregator", () -> new EnvelopeMessageAggregationHandler(aggregator, localRegistry));
    }
    handlerList.put("envelope-message-handler", () -> new EnvelopeMessageHandler(input));
    return handlerList;
}

Example 60 with MessageInput

use of org.graylog2.plugin.inputs.MessageInput in project graylog2-server by Graylog2.

the class GeneratorTransport method doLaunch.

@Override
public void doLaunch(final MessageInput input) throws MisfireException {
    generatorService = new AbstractExecutionThreadService() {

        Thread runThread;

        @Override
        protected void run() throws Exception {
            while (isRunning()) {
                if (isThrottled()) {
                    blockUntilUnthrottled();
                }
                final RawMessage rawMessage = GeneratorTransport.this.produceRawMessage(input);
                if (rawMessage != null) {
                    input.processRawMessage(rawMessage);
                }
            }
        }

        @Override
        protected void startUp() throws Exception {
            runThread = Thread.currentThread();
        }

        @Override
        protected void triggerShutdown() {
            runThread.interrupt();
        }
    };
    generatorService.startAsync();
}