org.graylog.plugins.netflow.v9.RawNetFlowV9Packet Maven / Gradle / Ivy

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/*
 * 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.graylog.plugins.netflow.v9;

import com.google.auto.value.AutoValue;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
import io.netty.buffer.Unpooled;

import javax.annotation.Nullable;
import java.util.Map;
import java.util.Set;

@AutoValue
public abstract class RawNetFlowV9Packet {

    public abstract NetFlowV9Header header();

    public abstract int dataLength();

    public abstract Map templates();

    @Nullable
    public abstract Map.Entry optionTemplate();

    public abstract Set usedTemplates();

    public static RawNetFlowV9Packet create(NetFlowV9Header header, int dataLength, Map templates, @Nullable Map.Entry optTemplate, Set usedTemplates) {
        return new AutoValue_RawNetFlowV9Packet(header, dataLength, templates, optTemplate, usedTemplates);
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder("\n");
        sb.append(header().prettyHexDump()).append("\n");
        sb.append("\nTemplates:\n");
        templates().forEach((integer, byteBuf) -> {
            sb.append("\n").append(integer).append(":\n").append(ByteBufUtil.prettyHexDump(Unpooled.wrappedBuffer(byteBuf)));
        });
        final Map.Entry optionTemplate = optionTemplate();
        if (optionTemplate != null) {
            sb.append("\nOption Template:\n").append(ByteBufUtil.prettyHexDump(Unpooled.wrappedBuffer(optionTemplate.getValue())));
        }
        sb.append("\nData flows using these templates:\n");
        usedTemplates().forEach(templateId -> sb.append(templateId).append(" "));
        return sb.toString();
    }
}