Examples with CodecFactory org.graylog2.inputs.codecs.CodecFactory used on opensource projects

Example 1 with CodecFactory

use of org.graylog2.inputs.codecs.CodecFactory in project graylog2-server by Graylog2.

the class JournalDecode method runCommand.

@Override
protected void runCommand() {
    Range<Long> range;
    try {
        final List<String> offsets = Splitter.on("..").limit(2).splitToList(rangeArg);
        if (offsets.size() == 1) {
            range = Range.singleton(Long.valueOf(offsets.get(0)));
        } else if (offsets.size() == 2) {
            final String first = offsets.get(0);
            final String second = offsets.get(1);
            if (first.isEmpty()) {
                range = Range.atMost(Long.valueOf(second));
            } else if (second.isEmpty()) {
                range = Range.atLeast(Long.valueOf(first));
            } else {
                range = Range.closed(Long.valueOf(first), Long.valueOf(second));
            }
        } else {
            throw new RuntimeException();
        }
    } catch (Exception e) {
        System.err.println("Malformed offset range: " + rangeArg);
        return;
    }
    final Map<String, Codec.Factory<? extends Codec>> codecFactory = injector.getInstance(Key.get(new TypeLiteral<Map<String, Codec.Factory<? extends Codec>>>() {
    }));
    final Long readOffset = range.lowerEndpoint();
    final long count = range.upperEndpoint() - range.lowerEndpoint() + 1;
    final List<Journal.JournalReadEntry> entries = journal.read(readOffset, count);
    for (final Journal.JournalReadEntry entry : entries) {
        final RawMessage raw = RawMessage.decode(entry.getPayload(), entry.getOffset());
        if (raw == null) {
            System.err.println(MessageFormatter.format("Journal entry at offset {} failed to decode", entry.getOffset()));
            continue;
        }
        final Codec codec = codecFactory.get(raw.getCodecName()).create(raw.getCodecConfig());
        final Message message = codec.decode(raw);
        if (message == null) {
            System.err.println(MessageFormatter.format("Could not use codec {} to decode raw message id {} at offset {}", new Object[] { raw.getCodecName(), raw.getId(), entry.getOffset() }));
        } else {
            message.setJournalOffset(raw.getJournalOffset());
        }
        final ResolvableInetSocketAddress remoteAddress = raw.getRemoteAddress();
        final String remote = remoteAddress == null ? "unknown address" : remoteAddress.getInetSocketAddress().toString();
        final StringBuffer sb = new StringBuffer();
        sb.append("Message ").append(raw.getId()).append('\n').append(" at ").append(raw.getTimestamp()).append('\n').append(" in format ").append(raw.getCodecName()).append('\n').append(" at offset ").append(raw.getJournalOffset()).append('\n').append(" received from remote address ").append(remote).append('\n').append(" (source field: ").append(message == null ? "unparsed" : message.getSource()).append(')').append('\n');
        if (message != null) {
            sb.append(" contains ").append(message.getFieldNames().size()).append(" fields.");
        } else {
            sb.append("The message could not be parse by the given codec.");
        }
        System.out.println(sb);
    }
}