com.wavefront.agent.channel.IncompleteLineDetectingLineBasedFrameDecoder Maven / Gradle / Ivy

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Service for batching and relaying metric traffic to Wavefront

There is a newer version: 9999.0

package com.wavefront.agent.channel;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.LineBasedFrameDecoder;
import org.apache.commons.lang3.StringUtils;

import javax.annotation.Nonnull;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.function.Consumer;

/**
 * Line-delimited decoder that has the ability of detecting when clients have disconnected while leaving some
 * data in the buffer.
 *
 * @author [email protected]
 */
public class IncompleteLineDetectingLineBasedFrameDecoder extends LineBasedFrameDecoder {
  private final Consumer warningMessageConsumer;

  IncompleteLineDetectingLineBasedFrameDecoder(@Nonnull Consumer warningMessageConsumer,
                                               int maxLength) {
    super(maxLength, true, false);
    this.warningMessageConsumer = warningMessageConsumer;
  }

  @Override
  protected void decodeLast(ChannelHandlerContext ctx, ByteBuf in, List