com.antsdb.saltedfish.server.mysql.packet.replication.TableMapPacket.java Source code

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Here is the source code for com.antsdb.saltedfish.server.mysql.packet.replication.TableMapPacket.java

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/*-------------------------------------------------------------------------------------------------
 _______ __   _ _______ _______ ______  ______
 |_____| | \  |    |    |______ |     \ |_____]
 |     | |  \_|    |    ______| |_____/ |_____]
    
 Copyright (c) 2016, antsdb.com and/or its affiliates. All rights reserved. *-xguo0<@
    
 This program is free software: you can redistribute it and/or modify it under the terms of the
 GNU Affero General Public License, version 3, as published by the Free Software Foundation.
    
 You should have received a copy of the GNU Affero General Public License along with this program.
 If not, see <https://www.gnu.org/licenses/agpl-3.0.txt>
-------------------------------------------------------------------------------------------------*/
package com.antsdb.saltedfish.server.mysql.packet.replication;

import org.slf4j.Logger;

import com.antsdb.saltedfish.server.mysql.MysqlClientHandler;
import com.antsdb.saltedfish.server.mysql.util.BufferUtils;
import com.antsdb.saltedfish.util.UberUtil;

import io.netty.buffer.ByteBuf;

/**
 * https://dev.mysql.com/doc/internals/en/table-map-event.html
 * 
 * @author luor5
 *
 */
public class TableMapPacket extends ReplicationPacket {
    static Logger _log = UberUtil.getThisLogger();

    public long tableId;
    public int flags;
    public String schemaName;
    public String tableName;
    public int colCount;
    public int metaCount;
    public byte[] colTypeDef;
    public byte[] colMetaDef;
    public byte[] nullBitMap;

    public TableMapPacket(int type, long length, long pos) {
        super(type, length, pos);
    }

    @Override
    public void read(MysqlClientHandler handler, ByteBuf in) {
        // header
        int begin = in.readerIndex();

        tableId = BufferUtils.readPackedInteger(in, 6);
        flags = BufferUtils.readInt(in);

        // payload
        schemaName = BufferUtils.readStringWithLength(in);
        // seperated by 0
        in.readByte();
        tableName = BufferUtils.readStringWithLength(in);
        // seperated by 0
        in.readByte();
        colCount = (int) BufferUtils.readLength(in);
        colTypeDef = BufferUtils.readBytes(in, colCount);

        metaCount = (int) BufferUtils.readLength(in);
        colMetaDef = BufferUtils.readBytes(in, metaCount);

        int nullCount = (colCount + 7) / 8;
        nullBitMap = new byte[nullCount];
        in.readBytes(nullBitMap);

        int end = in.readerIndex();

        if (_log.isTraceEnabled()) {
            in.readerIndex(begin);
            byte[] bytes = new byte[end - begin];
            in.readBytes(bytes);
            String dump = '\n' + UberUtil.hexDump(bytes);
            _log.trace("Packet Info:\n" + this.toString() + "\nTableMapPacket packet:\n" + dump);
        }

    }

}