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

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Here is the source code for com.antsdb.saltedfish.server.mysql.packet.replication.StateIndicator.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 java.nio.ByteBuffer;

import org.slf4j.Logger;

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

import io.netty.buffer.ByteBuf;

/**
 * it's a fake packet from ReplicationPacketDecoder to MysqlClientHandler, 
 * indication state of replication
 * 
 * @author luor5
 *
 */
public class StateIndicator extends ReplicationPacket {
    static Logger _log = UberUtil.getThisLogger();

    enum REPLICATION_STATE {
        INITIAL, RESPONSED, HANDSHAKEN, REGISTERED, STARTED, STOPPED
    }

    // use minus value to avoid conflict with real event number
    public static int INITIAL_STATE = -1;
    public static int RESPONSED_STATE = -2;
    public static int HANDSHAKEN_STATE = -3;
    public static int HANDSHAKE_FAIL_STATE = -4;
    public static int REGISTERED_STATE = -5;
    public static int REGISTER_FAIL_STATE = -6;
    public static int STARTED_STATE = -7;
    public static int STOPPED_STATE = -8;

    public StateIndicator(int state) {
        super(state);
    }

    @Override
    public void read(MysqlClientHandler handler, ByteBuf in) {
        // ignore packet info, assure master is mysql 5.6
        if (_log.isTraceEnabled()) {
            ByteBuf packet = (ByteBuf) in;
            ByteBuffer bbuf = packet.nioBuffer();

            int i = bbuf.remaining();

            byte[] bytes = new byte[i];
            packet.readBytes(bytes);
            String dump = '\n' + UberUtil.hexDump(bytes);
            _log.trace(dump);
        }
    }

}