public static Message Create(UInt16 mesId,string tel,UInt16 numSeq,byte[] body)
{
var mes=new Message();
mes.MessageId = mesId;
mes.Tel = tel;
mes.NumSeq = numSeq;
if (body != null)
{
mes.BodyBytes = body;
}
return mes;
}
public static Message ToMes(byte[] bt)
{
if (bt.Length < 2)
{
return null;
}
MemoryStream ms = new MemoryStream();
//转义
for (var i = 1; i < bt.Length; i++)//收尾0x7e 不处理
{
if (bt[i] == 0x7d && (i + 1) < bt.Length)
{
var isAnd = false;
if (bt[i + 1] == 0x02)
{
ms.WriteByte(0x7e);
isAnd = true;
}
else if (bt[i + 1] == 0x01)
{
ms.WriteByte(0x7d);
isAnd = true;
}
if (isAnd)
{
i += 1;
}
}
else
{
ms.WriteByte(bt[i]);
}
}
ms.Seek(0, SeekOrigin.Begin);
BitReader br=new BitReader(ms);
var mes = new Message();
mes.Head.MessageId = br.ReadUInt16();
mes.Head.BodyProp = br.ReadBytes(2);
mes.Head.Tel = br.ReadBCD();
mes.Head.NumSeq = br.ReadUInt16();
if (mes.Head.isLong)
{
mes.Head.MesPackNum = br.ReadBytes(4);
}
var content = br.ReadBytes(mes.Head.contentLength);
mes.BodyBytes=content;
return mes;
}
/// <summary>
/// 终端通用应答
/// </summary>
/// <param name="mes"></param>
private void TerNormal(Message mes)
{
var body = mes.BodyBytes;
var ms = new MemoryStream(body);
var read = new BitReader(ms);
var numseq = read.ReadUInt16();//应答流水号
var fromNum = read.ReadUInt16();//平台ID号
var result = read.ReadByte();//结果
Console.WriteLine(result);
}
//注册回复
private void Register(Message from)
{
var mes = Message.Create();
mes.MessageId = 0x8100;
mes.Tel=from.Tel;
mes.NumSeq=from.NumSeq;//应答流水号
MemoryStream ms = new MemoryStream();
BitWriter bw = new BitWriter(ms);
bw.Write(from.NumSeq);
byte result = 0;//0：成功；1：车辆已被注册；2：数据库中无该车辆；3：终端已被注册；4：数据库中无该终端
bw.Write(result);
bw.Write(Guid.NewGuid().ToByteArray());
mes.BodyBytes = ms.ToArray();
var sendBytes = mes.ToBytes();
EventRespons(sendBytes);
}
/// <summary>
/// 单次定位应答
/// </summary>
/// <param name="mes"></param>
private void SingleLocation(Message mes)
{
var body = mes.BodyBytes;
var newBody = new byte[body.Length - 2];//把应答序列号排除
Array.Copy(body, 2, newBody, 0, newBody.Length);
this.ReadGPS(newBody);
this.NormalMes(mes, 0);
}
//平台通用应答
private void NormalMes(Message from,byte res)
{
var mes = Message.Create();
mes.MessageId = 0x8001;
mes.Tel = from.Tel;
mes.NumSeq = from.NumSeq;//应答流水号
MemoryStream ms = new MemoryStream();
BitWriter bw = new BitWriter(ms);
bw.Write(from.NumSeq);
bw.Write(from.MessageId);
bw.Write(res);
mes.BodyBytes = ms.ToArray();
var sendBytes = mes.ToBytes();
EventRespons(sendBytes);
}
/// <summary>
/// GPS补录
/// </summary>
/// <param name="from"></param>
private void GpsAppend(Message from)
{
var ms = new MemoryStream(from.BodyBytes);
var read = new BitReader(ms);
var count = read.ReadUInt16();//位置信息个数
var type = read.ReadByte();//0：正常位置批量汇报，1：盲区补报
for (var i = 0; i < count; i++)
{
var gpsLength = read.ReadUInt16();
var bytes = read.ReadBytes(gpsLength);
this.ReadGPS(bytes);
}
this.NormalMes(from, 0);
}
//发送过来的Gps信息
private void Gps(Message from)
{
var body = from.BodyBytes;
ReadGPS(body);
NormalMes(from, 0);
}
/*
*
* 0x00：IC 卡读卡成功；
0x01：读卡失败，原因为卡片密钥认证未通过；
0x02：读卡失败，原因为卡片已被锁定；
0x03：读卡失败，原因为卡片被拔出；
0x04：读卡失败，原因为数据校验错误。
*
*
* */
private void Driver(Message from)
{
var body = from.BodyBytes;
MemoryStream ms = new MemoryStream(body);
BitReader br = new BitReader(ms);
var state=br.ReadByte();
var driver = new Driver();
var time = br.ReadDateTime();//读取打卡时间
driver.state = 0;
if (state == 0x01)//终端时间未校准 使用服务器时间
{
time = DateTime.Now;
}
var ic = br.ReadByte();
if (ic.Equals(0x00))//读卡成功
{
//只有certificate 序列号读到
var driverNameLength = br.ReadByte();
var driverName = br.ReadString(driverNameLength);
var certBytes = br.ReadBytes(20);//从业资格证
var nBytes=new byte[4];
Array.Copy(certBytes,16,nBytes,0,4);
var certificate = BitConverter.ToUInt32(nBytes,0)+"";
//certificate
var licenceLength = br.ReadByte();//发证机关名称长度
var licenceName = br.ReadString(licenceLength);//发证机关名称
var certificateVaDate = DateTime.Now; //br.ReadDate();//证件有效期 读不到
driver.driverName=driverName;
driver.certificate = certificate;
driver.licenceName=licenceName;
driver.certificateVaDate=certificateVaDate;
}
driver.time = time;
this.EventDriver(driver);
}
//终端鉴权 也是通用应答
private void CheckAuth(Message from)
{
NormalMes(from, 0);
}