public byte[] encoder(IP8583Msg p8583Msg, bool isMac = false)
{
int macIndex = p8583Msg.getMacIndex();
p8583Msg.setBitmap(this.createBitmap(p8583Msg));
if (isMac)
{
BitUtils.generateBitmap(p8583Msg.getBitmap(), (short)macIndex);
}
byte[] array = new byte[0];
byte[] bitmap = p8583Msg.getBitmap();
if (this.isEncoderTrace)
{
BitUtils.println(bitmap);
}
for (short num = 0; num < NetParams.bitmapLen; num += 1)
{
for (short num2 = 0; num2 < 8; num2 += 1)
{
if ((bitmap[(int)num] >> (int)(7 - num2) & 1) == 1)
{
short num3 = (short)(num * 8 + num2 + 1);
if ((int)num3 < macIndex)
{
P8583Tep p8583Tep = NetParams.tepMap[num3];
byte[] array3;
if (p8583Tep.maxLen > 0)
{
byte[] array2 = MiscUtils.fill(p8583Msg.getField((int)num3), (int)p8583Tep.maxLen, ' ');
array3 = new byte[(int)array.Length + (int)p8583Tep.maxLen + (int)((num3 == 1) ? (int)NetParams.bitmapLen : 0)];
Array.Copy(array, 0, array3, 0, array.Length);
Array.Copy(array2, 0, array3, array.Length, (int)p8583Tep.maxLen);
if (num3 == 1)
{
Array.Copy(bitmap, 0, array3, array.Length + (int)p8583Tep.maxLen, bitmap.Length);
}
if (this.isEncoderTrace)
{
NetLog.info(this, string.Concat(new object[]
{
"-encoder() no=",
num3,
",maxLen=",
p8583Tep.maxLen,
",msg=",
MiscUtils.bytes2String(array2)
}));
}
}
else
{
int num4 = p8583Msg.getField((int)num3).Length;
byte[] array2 = MiscUtils.number2Bytes(num4, (int)p8583Tep.lenFlag);
array3 = new byte[array.Length + array2.Length + num4];
Array.Copy(array, 0, array3, 0, array.Length);
Array.Copy(array2, 0, array3, array.Length, array2.Length);
Array.Copy(p8583Msg.getField((int)num3), 0, array3, array.Length + array2.Length, num4);
if (this.isEncoderTrace)
{
NetLog.info(this, string.Concat(new object[]
{
"-encoder() no=",
num3,
",lenFlag=",
p8583Tep.lenFlag,
",msg len=",
MiscUtils.bytes2Int(array2),
",msg=",
MiscUtils.bytes2String(p8583Msg.getField((int)num3))
}));
}
}
array = array3;
}
}
}
}
byte[] result;
if (isMac)
{
byte[] array4 = MiscUtils.string2Bytes("CMAC_000");
byte[] array3 = new byte[array.Length + array4.Length];
Array.Copy(array, 0, array3, 0, array.Length);
Array.Copy(array4, 0, array3, array.Length, array4.Length);
result = array3;
}
else
{
result = array;
}
return(result);
}
public IP8583Msg decoder(byte[] bytes)
{
int num = 0;
byte[] array = new byte[(int)NetParams.bitmapLen];
P8583Msg p8583Msg = new P8583Msg();
Array.Copy(bytes, 6, array, 0, array.Length);
p8583Msg.setBitmap(array);
if (this.isDecoderTrace)
{
BitUtils.println(array);
}
for (short num2 = 0; num2 < NetParams.bitmapLen; num2 += 1)
{
for (short num3 = 0; num3 < 8; num3 += 1)
{
if ((array[(int)num2] >> (int)(7 - num3) & 1) == 1)
{
short num4 = (short)(num2 * 8 + num3 + 1);
P8583Tep p8583Tep = NetParams.tepMap[num4];
byte[] array2;
if (p8583Tep.maxLen > 0)
{
array2 = new byte[(int)p8583Tep.maxLen];
Array.Copy(bytes, num, array2, 0, (int)p8583Tep.maxLen);
num += (int)p8583Tep.maxLen;
if (num4 == 1)
{
num += (int)NetParams.bitmapLen;
}
if (this.isDecoderTrace)
{
NetLog.info(this, string.Concat(new object[]
{
"-decoder() no=",
num4,
",maxLen=",
p8583Tep.maxLen,
",msg=",
MiscUtils.bytes2String(array2)
}));
}
}
else
{
byte[] array3 = new byte[(int)p8583Tep.lenFlag];
Array.Copy(bytes, num, array3, 0, (int)p8583Tep.lenFlag);
num += (int)p8583Tep.lenFlag;
array2 = new byte[MiscUtils.bytes2Int(array3)];
Array.Copy(bytes, num, array2, 0, array2.Length);
num += array2.Length;
if (this.isDecoderTrace)
{
NetLog.info(this, string.Concat(new object[]
{
"-decoder() no=",
num4,
",lenFlag=",
p8583Tep.lenFlag,
",msg=",
MiscUtils.bytes2String(array2)
}));
}
}
p8583Msg.setField((int)num4, array2);
}
}
}
return(p8583Msg);
}
