package com.zy.common.HslCommunication.Core.Net;
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import com.zy.common.HslCommunication.BasicFramework.*;
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import com.zy.common.HslCommunication.Core.Security.HslSecurity;
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import com.zy.common.HslCommunication.Utilities;
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import java.util.UUID;
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public class HslProtocol
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{
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/**
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* 规定所有的网络传输的指令头长度
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*/
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public static final int HeadByteLength = 32;
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/**
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* 所有网络通信中的缓冲池的数据信息
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*/
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public static final int ProtocolBufferSize = 1024;
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/**
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* 用于心跳程序的暗号信息
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*/
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public static final int ProtocolCheckSecends = 1;
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/**
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* 客户端退出的消息
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*/
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public static final int ProtocolClientQuit = 2;
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/**
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* 因为客户端达到上限而拒绝登录
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*/
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public static final int ProtocolClientRefuseLogin = 3;
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/**
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* 允许客户端登录到服务器
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*/
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public static final int ProtocolClientAllowLogin = 4;
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/**
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* 说明发送的信息是文本数据
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*/
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public static final int ProtocolUserString = 1001;
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/**
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* 说明发送的信息是字节数组数据
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*/
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public static final int ProtocolUserBytes = 1002;
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/**
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* 发送的数据是普通的图片数据
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*/
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public static final int ProtocolUserBitmap = 1003;
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/**
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* 发送的数据是一条异常的数据，字符串为异常消息
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*/
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public static final int ProtocolUserException = 1004;
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/**
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* 请求文件下载的暗号
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*/
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public static final int ProtocolFileDownload = 2001;
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/**
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* 请求文件上传的暗号
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*/
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public static final int ProtocolFileUpload = 2002;
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/**
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* 请求删除文件的暗号
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*/
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public static final int ProtocolFileDelete = 2003;
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/**
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* 文件校验成功
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*/
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public static final int ProtocolFileCheckRight = 2004;
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/**
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* 文件校验失败
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*/
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public static final int ProtocolFileCheckError = 2005;
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/**
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* 文件保存失败
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*/
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public static final int ProtocolFileSaveError = 2006;
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/**
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* 请求文件的列表的暗号
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*/
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public static final int ProtocolFileDirectoryFiles = 2007;
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/**
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* 请求子文件的列表暗号
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*/
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public static final int ProtocolFileDirectories = 2008;
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/**
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* 进度返回暗号
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*/
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public static final int ProtocolProgressReport = 2009;
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/**
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* 不压缩字节数据
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*/
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public static final int ProtocolNoZipped = 3001;
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/**
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* 压缩字节数据
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*/
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public static final int ProtocolZipped = 3002;
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/**
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* 生成终极传送指令的方法，所有的数据均通过该方法出来
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* @param command 命令头
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* @param customer 自用自定义
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* @param token 令牌
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* @param data 字节数据
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* @return 发送的消息数据
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*/
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public static byte[] CommandBytes(int command, int customer, UUID token, byte[] data )
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{
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byte[] _temp = null;
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int _zipped = ProtocolNoZipped;
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int _sendLength = 0;
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if (data == null)
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{
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_temp = new byte[HeadByteLength];
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}
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else
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{
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// 加密
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data = HslSecurity.ByteEncrypt(data);
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if (data.length > 10240)
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{
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// 10K以上的数据，进行数据压缩
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data = SoftZipped.CompressBytes(data);
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_zipped = ProtocolZipped;
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}
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_temp = new byte[HeadByteLength + data.length];
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_sendLength = data.length;
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}
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Utilities.getBytes(command);
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System.arraycopy(Utilities.getBytes(command),0,_temp,0,4);
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System.arraycopy(Utilities.getBytes(customer),0,_temp,4,4);
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System.arraycopy(Utilities.getBytes(_zipped),0,_temp,8,4);
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System.arraycopy(Utilities.UUID2Byte(token),0,_temp,12,16);
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System.arraycopy(Utilities.getBytes(_sendLength),0,_temp,28,4);
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if (_sendLength > 0)
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{
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System.arraycopy(data,0,_temp,32,_sendLength);
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}
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return _temp;
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}
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/**
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* 解析接收到数据，先解压缩后进行解密
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* @param head
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* @param content
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* @return
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*/
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public static byte[] CommandAnalysis( byte[] head, byte[] content )
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{
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if (content != null)
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{
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byte[] buffer = new byte[4];
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buffer[0] = head[8];
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buffer[1] = head[9];
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buffer[2] = head[10];
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buffer[3] = head[11];
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// 获取是否压缩的情况
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int _zipped = Utilities.getInt(buffer,0);
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// 先进行解压
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if (_zipped == ProtocolZipped)
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{
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content = SoftZipped.Decompress( content );
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}
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// 进行解密
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return HslSecurity.ByteDecrypt( content );
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}
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else
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{
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return null;
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}
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}
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/**
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* 获取发送字节数据的实际数据，带指令头
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* @param customer
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* @param token
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* @param data
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* @return
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*/
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public static byte[] CommandBytes( int customer, UUID token, byte[] data )
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{
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return CommandBytes( ProtocolUserBytes, customer, token, data );
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}
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/**
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* 获取发送字节数据的实际数据，带指令头
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* @param customer
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* @param token
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* @param data
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* @return
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*/
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public static byte[] CommandBytes( int customer, UUID token, String data )
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{
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if (data == null) return CommandBytes( ProtocolUserString, customer, token, null );
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else return CommandBytes( ProtocolUserString, customer, token, Utilities.string2Byte(data) );
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}
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}
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