package safeluck.drive.evaluation.bean;
|
|
import android.util.Log;
|
|
import com.anyun.im_lib.util.ByteUtil;
|
|
/**
|
* MyApplication2
|
* Created by lzw on 2019/12/17. 15:39:23
|
* 邮箱：632393724@qq.com
|
* All Rights Saved! Chongqing AnYun Tech co. LTD
|
*/
|
public abstract class DriveExamProtocol {
|
|
private static final String TAG = "DriveExamProtocol";
|
/***========================
|
消息结构表
|
标识位 消息头 消息体 校验码 标识位
|
0x7E 0x7E
|
======================**/
|
// 标识位
|
private byte MESSAGE_HEAD = 0x7e;
|
//标识位
|
private byte MESSAGE_TAIL = 0x7e;
|
//校验码 先暂时写死
|
private int checkCode = 0x78;
|
|
|
/***===========以下是消息头=============***/
|
//协议版本号 BYTE 235，固定
|
private short protocol_version = 235;
|
//消息ID
|
private short msg_id;
|
|
//消息体属性
|
private int msg_property;
|
|
//终端手机号
|
private String phoneOnTerminal;
|
//13 消息流水号 WORD 按发送顺序从0开始循环累加
|
public static short msg_serial_num=0;
|
|
//15 预留 BYTE 预留
|
private byte reserve;
|
/***===========消息头结束=============***/
|
|
/**
|
* 消息体
|
*/
|
protected abstract byte[] createMessageBody();
|
|
/**
|
* 构造函数
|
* @param msg_id 消息ID
|
*/
|
public DriveExamProtocol(short msg_id) {
|
this.msg_id = msg_id;
|
}
|
|
protected byte[] toBytes(){
|
byte[] desBytes = new byte[1+16+2+1+1];
|
int pos = 0;
|
|
|
//标识位
|
desBytes[pos] = MESSAGE_HEAD;
|
pos++;
|
//协议版本号
|
byte[] protoVersion = ByteUtil.shortGetByte(protocol_version);
|
System.arraycopy(protoVersion,0,desBytes,pos,protoVersion.length);
|
pos +=protoVersion.length;
|
|
//消息ID
|
byte[] msgIdBytes = ByteUtil.shortGetBytes(msg_id);
|
System.arraycopy(msgIdBytes,0,desBytes,pos,msgIdBytes.length);
|
pos+=msgIdBytes.length;
|
|
//消息体属性
|
byte[] msg_pro_bytes = ByteUtil.shortGetBytes((short)2);
|
System.arraycopy(msg_pro_bytes,0,desBytes,pos,msg_pro_bytes.length);
|
pos+=msg_pro_bytes.length;
|
//终端手机号
|
byte[] phoneBytes = ByteUtil.str2Bcd("12345678");
|
System.arraycopy(phoneBytes,0,desBytes,pos,phoneBytes.length);
|
pos+=phoneBytes.length;
|
//消息流水号
|
byte[] msg_serialNum = ByteUtil.shortGetBytes(msg_serial_num++);
|
System.arraycopy(msg_serialNum,0,desBytes,pos,msg_serialNum.length);
|
pos+=msg_serialNum.length;
|
//保留
|
desBytes[pos] = 0;
|
pos++;
|
|
//消息体
|
byte[] messageBodyBytes = createMessageBody();
|
System.arraycopy(messageBodyBytes,0,desBytes,pos,messageBodyBytes.length);
|
pos+=messageBodyBytes.length;
|
|
//校验码
|
desBytes[pos] = 0x01;
|
pos++;
|
//末尾结束标识位
|
desBytes[pos] = MESSAGE_TAIL;
|
|
Log.i(TAG, "包长度="+pos);
|
Log.i(TAG, "包内容: "+ByteUtil.byte2HexStr(desBytes));
|
return desBytes;
|
}
|
|
}
|
