org.graylog2.plugin.inputs.util.PacketInformationDumper Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog2.plugin.inputs.util;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import org.graylog2.plugin.inputs.MessageInput;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PacketInformationDumper extends SimpleChannelInboundHandler {
private static final Logger LOG = LoggerFactory.getLogger(PacketInformationDumper.class);
private final Logger sourceInputLog;
private final String sourceInputName;
private final String sourceInputId;
public PacketInformationDumper(MessageInput sourceInput) {
sourceInputName = sourceInput.getName();
sourceInputId = sourceInput.getId();
sourceInputLog = LoggerFactory.getLogger(PacketInformationDumper.class.getCanonicalName() + "." + sourceInputId);
LOG.debug("Set {} to TRACE for network packet metadata dumps of input {}", sourceInputLog.getName(),
sourceInput.getUniqueReadableId());
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
if (sourceInputLog.isTraceEnabled()) {
sourceInputLog.trace("Recv network data: {} bytes via input '{}' <{}> from remote address {}",
msg.readableBytes(), sourceInputName, sourceInputId, ctx.channel().remoteAddress());
}
}
}