Java tutorial
/* * Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software;Designed and Developed mainly by many Chinese * opensource volunteers. you can redistribute it and/or modify it under the * terms of the GNU General Public License version 2 only, as published by the * Free Software Foundation. * * This code 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 GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Any questions about this component can be directed to it's project Web address * https://code.google.com/p/opencloudb/. * */ package com.talent.mysql.packet.response; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import java.nio.ByteOrder; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.talent.mysql.packet.MysqlResponsePacket; import com.talent.mysql.packet.factory.MysqlHeaderFactory.MysqlHeader; import com.talent.nio.communicate.intf.DecoderIntf.DecodeException; /** * <pre> 42 00 00 //?30x42=66<br> 00 //??1<br> 0A //??10x0A=1010??<br> 35 2E 31 2E 34 39 2D 63 6F 6D 6D 75 6E 69 74 79 2D 6C 6F 67 00 //?\05.1.49-community-log<br> 14 00 00 00 //ID40x14=20<br> 5e 63 59 72 54 2c 7b 4a //??8<br> 00 //0<br> FF F7 //?16?2??<br> 1C //10x1c=28=gbk_chinese_ci<br> 02 00 //??2??<br> 00 00 //?16?2<br> 00 //0<br> 00 00 00 00 00 00 00 00 00 00 //010<br> 5A 7C 24 39 32 2E 2F 43 40 5A 25 46 00 //??\08+12=20<br> string[NUL] //auth-plugin name </pre> * @see http://dev.mysql.com/doc/internals/en/initial-handshake.html * * @filename: com.talent.mysql.packet.response.HandshakePacket * @copyright: Copyright (c)2010 * @company: talent * @author: * @version: 1.0 * @create time: 20131225 ?5:16:51 * @record * <table cellPadding="3" cellSpacing="0" style="width:600px"> * <thead style="font-weight:bold;background-color:#e3e197"> * <tr> <td>date</td> <td>author</td> <td>version</td> <td>description</td></tr> * </thead> * <tbody style="background-color:#ffffeb"> * <tr><td>20131225</td> <td></td> <td>1.0</td> <td>create</td></tr> * </tbody> * </table> */ public class HandshakePacket extends MysqlResponsePacket<HandshakePacket> { /** * */ private static final long serialVersionUID = 4738459630754351291L; @SuppressWarnings("unused") private static Logger log = LoggerFactory.getLogger(HandshakePacket.class); public byte protocolVersion; public byte[] versionInfo = null; //?\0 public long threadId = 0; //ID40x14=20 public byte[] encrypt1 = null; //??8 public byte fix1 = 0; //0 public byte[] serverProp1 = null; //?16?2?? public byte charset = 0; //10x1c=28=gbk_chinese_ci public byte[] serverStatus = null; //??2?? public byte[] serverProp2 = null; //?16?2 public byte fix2 = 0; //0 public byte[] byte10 = new byte[10]; //010 public byte[] encrypt2 = null; //??\08+12=20 public byte[] authPluginName = null; /** * */ public HandshakePacket() { } @Override public HandshakePacket decodeBody(ByteBuf byteBuf, MysqlHeader mysqlHeader) throws DecodeException { this.setMysqlHeader(mysqlHeader); int _index = byteBuf.readerIndex(); int index = _index; protocolVersion = byteBuf.getByte(index++); int len = 0; while (byteBuf.getByte(index + len) != 0) { len++; } versionInfo = new byte[len]; byteBuf.getBytes(index, versionInfo, 0, len); index += len; index++; threadId = byteBuf.getInt(index); index += 4; encrypt1 = new byte[8]; byteBuf.getBytes(index, encrypt1, 0, 8); index += 8; fix1 = byteBuf.getByte(index++); serverProp1 = new byte[2]; byteBuf.getBytes(index, serverProp1, 0, 2); index += 2; charset = byteBuf.getByte(index++); serverStatus = new byte[2]; byteBuf.getBytes(index, serverStatus, 0, 2); index += 2; serverProp2 = new byte[2]; byteBuf.getBytes(index, serverProp2, 0, 2); index += 2; fix2 = byteBuf.getByte(index++); // byte10 = new byte[10]; // byteBuf.getBytes(index, byte10, 0, 10); index += 10; len = 0; while (byteBuf.getByte(index + len) != 0) { len++; } encrypt2 = new byte[len]; byteBuf.getBytes(index, encrypt2, 0, len); index += len; index++; len = 0; while (byteBuf.getByte(index + len) != 0) { len++; } authPluginName = new byte[len]; byteBuf.getBytes(index, authPluginName, 0, len); index += len; index++; byteBuf.readerIndex(index); return this; } /** * @param args * @throws DecodeException */ public static void main(String[] args) { byte[] bs = new byte[] { 82, 0, 0, 0, 10, 49, 48, 46, 48, 46, 49, 45, 77, 97, 114, 105, 97, 68, 66, 0, -98, 1, 0, 0, 110, 104, 61, 56, 64, 122, 101, 107, 0, -1, -9, 8, 2, 0, 15, -96, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 105, 78, 41, 35, 111, 43, 39, 124, 98, 82, 87, 60, 0, 109, 121, 115, 113, 108, 95, 110, 97, 116, 105, 118, 101, 95, 112, 97, 115, 115, 119, 111, 114, 100, 0 }; ByteBuf byteBuf = Unpooled.buffer(bs.length); byteBuf = byteBuf.order(ByteOrder.LITTLE_ENDIAN); byteBuf.setBytes(0, bs); HandshakePacket handshakePacket = new HandshakePacket(); try { handshakePacket.decode(byteBuf); byteBuf.readerIndex(0); handshakePacket.decode(byteBuf); byteBuf.readerIndex(0); handshakePacket.decode(byteBuf); byteBuf.readerIndex(0); handshakePacket.decode(byteBuf); byteBuf.readerIndex(0); } catch (DecodeException e) { e.printStackTrace(); } } @Override public String getSeqNo() { return null; } public byte getFix1() { return fix1; } public void setFix1(byte fix1) { this.fix1 = fix1; } public byte getCharset() { return charset; } public void setCharset(byte charset) { this.charset = charset; } public byte getFix2() { return fix2; } public void setFix2(byte fix2) { this.fix2 = fix2; } public byte[] getByte10() { return byte10; } public void setByte10(byte[] byte10) { this.byte10 = byte10; } public byte getProtocolVersion() { return protocolVersion; } public void setProtocolVersion(byte protocolVersion) { this.protocolVersion = protocolVersion; } public long getThreadId() { return threadId; } public void setThreadId(long threadId) { this.threadId = threadId; } public byte[] getVersionInfo() { return versionInfo; } public void setVersionInfo(byte[] versionInfo) { this.versionInfo = versionInfo; } public byte[] getServerProp1() { return serverProp1; } public void setServerProp1(byte[] serverProp1) { this.serverProp1 = serverProp1; } }