Introduction to the exit command package and parsing code of the mysql protocol

git

https://github.com/sea-boat/mysql-protocol

Overview

After the mysql client connects to the mysql server, when it needs to exit and disconnect, it sends an exit command to the server. The server can directly close the connection or return an OK packet.

mysql communication message structure

Payload

1              [01] COM_QUIT

/**
 * 
 * @author seaboat
 * @date 2016-09-25
 * @version 1.0
 * <pre class="brush:php;toolbar:false"><b>email: </b>849586227@qq.com

*

<b>blog: </b>//m.sbmmt.com/;/pre>
 * <p>quit command packet.</p>
 */public class QuitPacket extends MySQLPacket {
    // payload length is 1,packet id is 0,payload is 1
    public static final byte[] QUIT = new byte[] { 1, 0, 0, 0, 1 };    @Override
    public int calcPacketSize() {        return 1;
    }    @Override
    protected String getPacketInfo() {        return "MySQL Quit Packet";
    }

}

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