巧解银联8583数据域

/*
**************************************************************************************************************
*Iso8583 报文初始化
Information8583SetRcv[0]  -----> 1域
Information8583SetRcv[1]  -----> 2域
    .              .
    .              .
    .              .
Information8583SetRcv[63] ----->64域
**************************************************************************************************************
*/
void APP_8583_Init( __8583Information  *Information8583Set)
{
  Information8583Set[0].Seat = 0;
  Information8583Set[0].LenLen = 0;
  Information8583Set[0].DataLen = 0;
  Information8583Set[1].Seat = 0;
  Information8583Set[1].LenLen = 1;
  Information8583Set[1].DataLen = 0;
  Information8583Set[2].Seat = 0;
  Information8583Set[2].LenLen = 0;
  Information8583Set[2].DataLen = 3;
  Information8583Set[3].Seat = 0;
  Information8583Set[3].LenLen = 0;
  Information8583Set[3].DataLen = 6;
  Information8583Set[10].Seat = 0;
  Information8583Set[10].LenLen = 0;
  Information8583Set[10].DataLen = 3;
  Information8583Set[11].Seat = 0;
  Information8583Set[11].LenLen = 0;
  Information8583Set[11].DataLen = 3;
  Information8583Set[12].Seat = 0;
  Information8583Set[12].LenLen = 0;
  Information8583Set[12].DataLen = 2;
  Information8583Set[13].Seat = 0;
  Information8583Set[13].LenLen = 0;
  Information8583Set[13].DataLen = 2;
  Information8583Set[14].Seat = 0;
  Information8583Set[14].LenLen = 0;
  Information8583Set[14].DataLen = 2;
  Information8583Set[15].Seat = 0;
  Information8583Set[15].LenLen = 0;
  Information8583Set[15].DataLen = 2;
  Information8583Set[21].Seat = 0;
  Information8583Set[21].LenLen = 0;
  Information8583Set[21].DataLen = 2;
  Information8583Set[22].Seat = 0;
  Information8583Set[22].LenLen = 0;
  Information8583Set[22].DataLen = 2;
  Information8583Set[24].Seat = 0;
  Information8583Set[24].LenLen = 0;
  Information8583Set[24].DataLen = 1;
  Information8583Set[25].Seat = 0;
  Information8583Set[25].LenLen = 0;
  Information8583Set[25].DataLen = 1;
  Information8583Set[31].Seat = 0;
  Information8583Set[31].LenLen = 1;
  Information8583Set[31].DataLen = 0;
  Information8583Set[36].Seat = 0;
  Information8583Set[36].LenLen = 0;
  Information8583Set[36].DataLen = 12;
  Information8583Set[37].Seat = 0;
  Information8583Set[37].LenLen = 0;
  Information8583Set[37].DataLen = 6;
  Information8583Set[38].Seat = 0;
  Information8583Set[38].LenLen = 0;
  Information8583Set[38].DataLen = 2;
  Information8583Set[40].Seat = 0;
  Information8583Set[40].LenLen = 0;
  Information8583Set[40].DataLen = 8;
  Information8583Set[41].Seat = 0;
  Information8583Set[41].LenLen = 0;
  Information8583Set[41].DataLen = 15;
  Information8583Set[43].Seat = 0;
  Information8583Set[43].LenLen = 1;
  Information8583Set[43].DataLen = 0;
  Information8583Set[47].Seat = 0;
  Information8583Set[47].LenLen = 2;
  Information8583Set[47].DataLen = 0;
  Information8583Set[48].Seat = 0;
  Information8583Set[48].LenLen = 0;
  Information8583Set[48].DataLen = 3;
  Information8583Set[51].Seat = 0;
  Information8583Set[51].LenLen = 0;
  Information8583Set[51].DataLen = 8;
  Information8583Set[52].Seat = 0;
  Information8583Set[52].LenLen = 0;
  Information8583Set[52].DataLen = 8;
  Information8583Set[54].Seat = 0;
  Information8583Set[54].LenLen = 2;
  Information8583Set[54].DataLen = 0;
  Information8583Set[59].Seat = 0;
  Information8583Set[59].LenLen = 2;
  Information8583Set[59].DataLen = 0;
  Information8583Set[60].Seat = 0;
  Information8583Set[60].LenLen = 2;
  Information8583Set[60].DataLen = 0;
  Information8583Set[61].Seat = 0;
  Information8583Set[61].LenLen = 2;
  Information8583Set[61].DataLen = 0;
  Information8583Set[62].Seat = 0;
  Information8583Set[62].LenLen = 2;
  Information8583Set[62].DataLen = 0;
  Information8583Set[63].Seat = 0;
  Information8583Set[63].LenLen = 0;
  Information8583Set[63].DataLen = 8;
}
/*
**************************************************************************************************************
*Iso8583 报文解析
**************************************************************************************************************
*/
U32 APP_8583_Analysis( __8583Information  *Information8583SetRcv, U08 *SeatBuf, U08 *DataBuf, U32 BufferLen)
{
  U16 len = 0;
  U08 i,rbuf[5];
  U64 buf = 0,seat=1;
  APP_8583_Init(Information8583SetRcv);
  for(i=0;i<8;i++)
  {
    buf = ((buf<<8) | SeatBuf[i]);
  }
  len += 23;
  for(i=0;i<64;i++)
  {
    if(buf&(seat<<(63-i)))
    {
      memset(rbuf, 0, 5);
      if(Information8583SetRcv[i].DataLen)
      {
        Information8583SetRcv[i].Seat = len;
        len += Information8583SetRcv[i].DataLen;
      }
      else
      { 
        if(Information8583SetRcv[i].LenLen == 1)
        {
          sprintf((char*)rbuf,"%02X",DataBuf[len]);
          Information8583SetRcv[i].DataLen = (U16)atoi((const char*)rbuf);
          len += 1;
          Information8583SetRcv[i].Seat = len;
          if((i==1)||(i==31)||(i==47)||(i==59)||(i==60))
          {
            Information8583SetRcv[i].DataLen =  Information8583SetRcv[i].DataLen/2 + Information8583SetRcv[i].DataLen%2;
          }
        }
        else if(Information8583SetRcv[i].LenLen == 2)
        {
          sprintf((char*)rbuf,"%02X%02X", DataBuf[len], DataBuf[len+1]);
          Information8583SetRcv[i].DataLen = (U16)atoi((const char*)rbuf);
          len += 2;
          Information8583SetRcv[i].Seat = len;
          if((i==1)||(i==31)||(i==59)||(i==60)||(i==61))
          {
            Information8583SetRcv[i].DataLen =  Information8583SetRcv[i].DataLen/2 + Information8583SetRcv[i].DataLen%2;
          }
        }
        else
        {
          DEF_UPCash_Debug;
          return 1;
        }
        len += Information8583SetRcv[i].DataLen;
      } 
    }
  }
  if(len>BufferLen)
  {
    DEF_UPCash_Debug;
    return 1;
  }
  return 0;
}