//public static CommonMessage<IMessageBody> unpack(byte[] a)
//{
// if (a[0] == 126 && a[a.Length - 1] == 126)
// {
// bool var2 = Check(a = reverseEscapeData(a)) == a[a.Length - 2];
// if (!var2)
// {
// throw new Exception("校验位出错");
// }
// else
// {
// T808_MessageHeader var5 = getHeader(a);
// CommonMessageBody var4 = var5.getSubpackage() ? var3.getBody(var5, BytesUtil.cutBytes(17, a.length - 19, a)): (var4 = var3.getBody(var5, BytesUtil.cutBytes(13, a.length - 15, a)));
// }
// }
// else
// {
// throw new Exception("不是7E开头7E结尾");
// }
//}
public static T808_MessageHeader getHeader(byte[] a)
{
T808_MessageHeader var1 = new T808_MessageHeader();
byte[] var2 = cutBytes(1, 12, a); //截取出消息头
var msgid = getWord(0, var2);
int var3 = parseBytesToInt(msgid); //messageid
byte[] var4 = getBigWord(2, var2);
int var5 = ToolHelper.Bytes2Int(var4); //getBitsValue(0, 9, var4);//
int var6 = getBitsValue(10, 3, var4);
bool var12 = getBooleanValue(1, 2, var4);
String var7 = bcdToStr(cutBytes(4, 6, var2));
int var11 = parseBytesToInt(getWord(10, var2));
int var8 = 0;
int var9 = 0;
if (var12)
{
byte[] var10 = getWord(13, a);
byte[] var10000 = getWord(15, a);
var8 = parseBytesToInt(var10);
var9 = parseBytesToInt(var10000);
}
var1.setBodyLength(var5);
var1.setEncrypt(var6);
var1.setMessageID(var3);
var1.setPackageCounts(var8);
var1.setPackageNum(var9);
var1.setRunningNum(var11);
var1.setSimNum(var7);
var1.setSubpackage(var12);
return(var1);
}
public static byte[] reverseEscapeData(byte[] data)
{
byte[] result;
try
{
int i = 0;
Stream stream = new MemoryStream();
while (true)
{
if (i >= data.Length - 1)
{
if (data[data.Length - 2] != 125)
{
if (data[data.Length - 1] == 125)
{
throw new Exception("错误的协议无法转义！");
}
stream.WriteByte(data[data.Length - 1]);
}
result = ToolHelper.StreamToBytes(stream);
break;
}
if (data[i] == 125 && data[i + 1] == 2)
{
++i;
stream.WriteByte(126);
}
else if (data[i] == 125 && data[i + 1] == 1)
{
++i;
stream.WriteByte(125);
}
else
{
if (data[i] == 125 && data[i + 1] != 2 || data[i] == 125 && data[i + 1] != 1)
{
throw new Exception("错误的协议无法转义！");
}
stream.WriteByte(data[i]);
}
++i;
}
}
catch
{
throw;
}
return(result);
}
public static byte[] getHeaderBytes <T>(CommonMessage <T> a) where T : IMessageBody
{
byte[] var1 = getInitNoPackHeadr();
byte[] var2 = ToolHelper.Int2Bytes2((int)a.getMessageID());
var1[0] = var2[0];
var1[1] = var2[1];
T808_MessageHeader head = (T808_MessageHeader)a.getMessageHeader();
if (head.getSimNum() != null && !head.getSimNum().Equals(""))
{
if (head.getSimNum().Length > 12)
{
head.setSimNum(head.getSimNum().Substring(0, 12));
}
else
{
if (head.getSimNum().Length < 12)
{
head.setSimNum(formatString(head.getSimNum()));
}
}
}
else
{
head.setSimNum("000000000000");
}
var2 = strToBcd(head.getSimNum());
byte[] var10001 = var1;
byte[] var4 = var1;
byte[] var10002 = var1;
var1[4] = var2[0];
var1[5] = var2[1];
var1[6] = var2[2];
var1[7] = var2[3];
var1[8] = var2[4];
var1[9] = var2[5];
var1 = ToolHelper.Int2Bytes2(getRunningNum());
var10002[10] = var1[0];
var10001[11] = var1[1];
return(var4);
}
public static byte[] escapeData(byte[] data)
{
Stream stream = new MemoryStream();
byte[] result;
try
{
int i = 0;
while (true)
{
if (i >= data.Length)
{
result = ToolHelper.StreamToBytes(stream);
break;
}
if (data[i] == 126)
{
stream.WriteByte(125);
stream.WriteByte(2);
}
else if (data[i] == 125)
{
stream.WriteByte(125);
stream.WriteByte(1);
}
else
{
stream.WriteByte(data[i]);
}
++i;
}
}
catch
{
throw;
}
return(result);
}
