private long GetTxAddress()
{
long oldAddress = -1;
byte oldCheck = 0;
while (true)
{
var address = _data.ReadInt64(0);
var check = _data.ReadByte(8);
if (address == oldAddress && check == oldCheck)
{
throw new NFSdbInvalidTxAddressException(address,
"Check sum does not match address value and does not change on re-read");
}
var actual = GetCheckByte(address);
if (actual == check)
{
return(address);
}
oldAddress = address;
oldCheck = check;
}
}
private static long ReadLong(IRawFile txFile, ref long offset)
{
long result = 0;
for (int i = 0; i < LONG_ASCII_LEN; i++)
{
var b = txFile.ReadByte(i + offset);
if (b != 0 && b >= ASCII_ZERO && b <= ASCII_NINE)
{
result *= 10;
result += b - ASCII_ZERO;
}
else
{
break;
}
}
offset += LONG_ASCII_LEN;
return(result);
}
public byte GetByte(long rowID)
{
return(_storage.ReadByte(rowID * _sizeBytes));
}