internal override void ReadRDATA(Internal.ByteReader reader)
{
PRIORITY = reader.ReadUIn16();
WEIGHT = reader.ReadUIn16();
PORT = reader.ReadUIn16();
TARGET = reader.ReadDomain();
}
internal override void ReadRDATA(Internal.ByteReader reader)
{
// The format of the data within a DNS TXT record is one or more
// strings, packed together in memory without any intervening gaps
// or padding bytes for word alignment.
//
// The format of each constituent string within the DNS TXT record is
// a single length byte, followed by 0-255 bytes of text data.
// TXT-DATA strings are not guaranteed to consist purely of ASCII printable
// characters though this is usually the case.
List <Datagram> strings = new List <Datagram>();
for (int total = 0; total < Base.RDLENGTH;)
{
byte length = reader.ReadByte();
if (length > 0)
{
if (total + length >= Base.RDLENGTH)
{
throw new InvalidResponseException(
"Invalid length byte in TXT record: String data would exceed RDLENGTH.");
}
strings.Add(reader.ReadBytes(length));
}
total += (length + 1);
}
Strings = strings.ToArray();
}
void Internal.IResponseReader.ReadResponse(Internal.ByteReader reader)
{
ID = reader.ReadUIn16();
ReadResponseFlags(reader.ReadUIn16());
QDCOUNT = reader.ReadUIn16();
ANCOUNT = reader.ReadUIn16();
NSCOUNT = reader.ReadUIn16();
ARCOUNT = reader.ReadUIn16();
}
internal override void ReadRDATA(Internal.ByteReader reader)
{
ORDER = reader.ReadUIn16();
PREFERENCE = reader.ReadUIn16();
FLAGS = Encoding.ASCII.GetString(reader.ReadCharacterString()).ToUpper();
SERVICES = reader.ReadCharacterString();
REGEXP = reader.ReadCharacterString();
REPLACEMENT = reader.ReadDomain();
}
internal override void ReadRDATA(Internal.ByteReader reader)
{
MNAME = reader.ReadDomain();
RNAME = reader.ReadDomain();
SERIAL = reader.ReadUint32();
REFRESH = reader.ReadUint32();
RETRY = reader.ReadUint32();
EXPIRE = reader.ReadUint32();
MINIMUM = reader.ReadUint32();
}
internal override void ReadRDATA(Internal.ByteReader reader)
{
if (Base.RDLENGTH != 16)
{
throw new InvalidResponseException(String.Format(
"Invalid RDLENGTH value {0}: expected 16.",
Base.RDLENGTH));
}
byte[] buf = reader.ReadBytes(16);
ADDRESS = new IPAddress(buf);
if (ADDRESS.AddressFamily != System.Net.Sockets.AddressFamily.InterNetworkV6)
{
throw new InvalidResponseException(String.Format(
"Not an IPv6 address: {0}.", ADDRESS.ToString()));
}
}
void Internal.IResponseReader.ReadResponse(Internal.ByteReader reader)
{
NAME = reader.ReadDomain();
// TYPE may be not understood
TypeValue = reader.ReadUIn16();
if (Enum.IsDefined(typeof(QTYPE), TypeValue))
{
// known type
TYPE = (QTYPE)TypeValue;
TypeString = TYPE.ToString();
}
else
{
// unknown type
TYPE = null;
TypeString = String.Format("[{0}]", TypeValue.ToString());
}
CLASS = reader.ReadUIn16Enum <QCLASS>();
TTL = reader.ReadUint32();
RDLENGTH = reader.ReadUIn16();
}
internal override void ReadRDATA(Internal.ByteReader reader)
{
NSDNAME = reader.ReadDomain();
}
internal override void ReadRDATA(Internal.ByteReader reader)
{
CANONICAL = reader.ReadDomain();
}
internal abstract void ReadRDATA(Internal.ByteReader reader);
internal override void ReadRDATA(Internal.ByteReader reader)
{
RDATA = reader.ReadBytes(Base.RDLENGTH);
}
internal override void ReadRDATA(Internal.ByteReader reader)
{
PREFERENCE = reader.ReadUIn16();
EXCHANGE = reader.ReadDomain();
}
void Internal.IResponseReader.ReadResponse(Internal.ByteReader reader)
{
QNAME = reader.ReadDomain();
QTYPE = reader.ReadUIn16Enum <QTYPE>();
QCLASS = reader.ReadUIn16Enum <QCLASS>();
}
internal override void ReadRDATA(Internal.ByteReader reader)
{
throw new NotImplementedException();
}
