private void SerializeMetadata(ByteBufferRef buf, int cursor)
{
Deserializer.WriteULong(HeaderMagic, buf, cursor);
cursor += sizeof(ulong);
var hmac = CalculateHMAC(DataPageOffset, FileSize, Signatures);
buf.CopyFrom(cursor, hmac);
cursor += HMACSize;
Deserializer.WriteInt(DataPageOffset, buf, cursor);
cursor += sizeof(int);
Deserializer.WriteUInt(FileSize, buf, cursor);
cursor += sizeof(uint);
Deserializer.WriteInt(Signatures.Length, buf, cursor);
cursor += sizeof(int);
buf.CopyFrom(cursor, Signatures);
}
public static void SetSizeFromStat64(ByteBufferRef buf, ulong size)
{
Deserializer.WriteULong(size, buf, OFFSET_OF_SIZE_IN_STAT64);
}