/** Parses a Header from a stream containing DNS wire format. */
Header(DNSInput in) throws IOException {
this(in.readU16());
flags = in.readU16();
for (int i = 0; i < counts.length; i++) {
counts[i] = in.readU16();
}
}
void rrFromWire(DNSInput in) throws IOException {
order = in.readU16();
preference = in.readU16();
flags = in.readCountedString();
service = in.readCountedString();
regexp = in.readCountedString();
replacement = new Name(in);
}
void rrFromWire(DNSInput in) throws IOException {
if (in.remaining() > 0) options = new ArrayList();
while (in.remaining() > 0) {
int code = in.readU16();
int len = in.readU16();
byte[] data = in.readByteArray(len);
options.add(new Option(code, data));
}
}
static Record fromWire(DNSInput in, int section, boolean isUpdate) throws IOException {
int type, dclass;
long ttl;
int length;
Name name;
Record rec;
name = new Name(in);
type = in.readU16();
dclass = in.readU16();
if (section == Section.QUESTION) return newRecord(name, type, dclass);
ttl = in.readU32();
length = in.readU16();
if (length == 0 && isUpdate) return newRecord(name, type, dclass, ttl);
rec = newRecord(name, type, dclass, ttl, length, in);
return rec;
}
void rrFromWire(DNSInput in) throws IOException {
hashAlg = in.readU8();
flags = in.readU8();
iterations = in.readU16();
int salt_length = in.readU8();
if (salt_length > 0) salt = in.readByteArray(salt_length);
else salt = null;
int next_length = in.readU8();
next = in.readByteArray(next_length);
types = new TypeBitmap(in);
}
void rrFromWire(DNSInput in) throws IOException {
u16Field = in.readU16();
nameField = new Name(in);
}
void rrFromWire(DNSInput in) throws IOException {
certType = in.readU16();
keyTag = in.readU16();
alg = in.readU8();
cert = in.readByteArray();
}
