public static void AddToFilterBase(FilterBase fb, uint initial)
{
uint rCrc = initial;
uint wCrc = initial;
int rSeq = 0;
int wSeq = 0;
fb.AddFilters(
fRead: (bv) => {
if (bv.nextNode != null)
{
throw new NotImplementedException();
}
var targetCrc = BitConverter.ToUInt32(bv.bytes, bv.offset + bv.len - 4);
bv.len -= 4;
uint c = rCrc;
c = Append(bv, c);
c = Append(BitConverter.GetBytes(rSeq++), c);
c = Append(BitConverter.GetBytes(bv.len), c);
if (c != targetCrc)
{
throw new Exception("CRC32C checksum failed!");
}
rCrc = c;
},
fWrite: (bv) => {
uint c = wCrc;
c = Append(bv, c);
c = Append(BitConverter.GetBytes(wSeq++), c);
c = Append(BitConverter.GetBytes(bv.tlen), c);
wCrc = c;
bv.lastNode.nextNode = new BytesView(BitConverter.GetBytes(c));
});
}