/// <inheritdoc />
public override IWireSerialiser Read(WireReader reader)
{
// Read standard properties of a resource record.
Name = reader.ReadDomainName();
Type = (DnsType)reader.ReadUInt16();
Class = (DnsClass)reader.ReadUInt16();
TTL = reader.ReadTimeSpan32();
int length = reader.ReadUInt16();
// Find a specific class for the TYPE or default
// to UnknownRecord.
var specific = ResourceRegistry.Create(Type);
specific.Name = Name;
specific.Type = Type;
specific.Class = Class;
specific.TTL = TTL;
// Read the specific properties of the resource record.
var end = reader.Position + length;
specific.ReadData(reader, length);
if (reader.Position != end)
{
throw new InvalidDataException("Found extra data while decoding RDATA.");
}
return(specific);
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
Algorithms.Clear();
for (; length > 0; --length)
{
Algorithms.Add((DigestType)reader.ReadByte());
}
}
/// <inheritdoc />
public override IWireSerialiser Read(WireReader reader)
{
Name = reader.ReadDomainName();
Type = (DnsType)reader.ReadUInt16();
Class = (DnsClass)reader.ReadUInt16();
return(this);
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
while (length > 0)
{
var s = reader.ReadString();
Strings.Add(s);
length -= Encoding.UTF8.GetByteCount(s) + 1;
}
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
var end = reader.Position + length;
HashAlgorithm = (DigestType)reader.ReadByte();
Flags = reader.ReadByte();
Iterations = reader.ReadUInt16();
Salt = reader.ReadByteLengthPrefixedBytes();
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
var end = reader.Position + length;
KeyTag = reader.ReadUInt16();
Algorithm = (SecurityAlgorithm)reader.ReadByte();
HashAlgorithm = (DigestType)reader.ReadByte();
Digest = reader.ReadBytes(end - reader.Position);
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
var end = reader.Position + length;
Flags = (DNSKEYFlags)reader.ReadUInt16();
Protocol = reader.ReadByte();
Algorithm = (SecurityAlgorithm)reader.ReadByte();
PublicKey = reader.ReadBytes(end - reader.Position);
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
var end = reader.Position + length;
NextOwnerName = reader.ReadDomainName();
while (reader.Position < end)
{
Types.AddRange(reader.ReadBitmap().Select(t => (DnsType)t));
}
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
Algorithm = reader.ReadDomainName();
Inception = reader.ReadDateTime32();
Expiration = reader.ReadDateTime32();
Mode = (KeyExchangeMode)reader.ReadUInt16();
Error = (MessageStatus)reader.ReadUInt16();
Key = reader.ReadUInt16LengthPrefixedBytes();
OtherData = reader.ReadUInt16LengthPrefixedBytes();
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
Algorithm = reader.ReadDomainName();
TimeSigned = reader.ReadDateTime48();
Fudge = reader.ReadTimeSpan16();
MAC = reader.ReadUInt16LengthPrefixedBytes();
OriginalMessageId = reader.ReadUInt16();
Error = (MessageStatus)reader.ReadUInt16();
OtherData = reader.ReadUInt16LengthPrefixedBytes();
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
PrimaryName = reader.ReadDomainName();
Mailbox = reader.ReadDomainName();
SerialNumber = reader.ReadUInt32();
Refresh = reader.ReadTimeSpan32();
Retry = reader.ReadTimeSpan32();
Expire = reader.ReadTimeSpan32();
Minimum = reader.ReadTimeSpan32();
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
var end = reader.Position + length;
TypeCovered = (DnsType)reader.ReadUInt16();
Algorithm = (SecurityAlgorithm)reader.ReadByte();
Labels = reader.ReadByte();
OriginalTTL = reader.ReadTimeSpan32();
SignatureExpiration = reader.ReadDateTime32();
SignatureInception = reader.ReadDateTime32();
KeyTag = reader.ReadUInt16();
SignerName = reader.ReadDomainName();
Signature = reader.ReadBytes(end - reader.Position);
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
var end = reader.Position + length;
HashAlgorithm = (DigestType)reader.ReadByte();
Flags = (NSEC3Flags)reader.ReadByte();
Iterations = reader.ReadUInt16();
Salt = reader.ReadByteLengthPrefixedBytes();
NextHashedOwnerName = reader.ReadByteLengthPrefixedBytes();
while (reader.Position < end)
{
Types.AddRange(reader.ReadBitmap().Select(t => (DnsType)t));
}
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
switch (length)
{
case 0:
Timeout = null;
break;
case 2:
Timeout = TimeSpan.FromMilliseconds((int)reader.ReadUInt16() * 100);
break;
default:
throw new InvalidDataException($"Invalid EdnsKeepAlive length of '{length}'.");
}
}
/// <inheritdoc />
public override IWireSerialiser Read(WireReader reader)
{
Id = reader.ReadUInt16();
var flags = reader.ReadUInt16();
QR = (flags & 0x8000) == 0x8000;
AA = (flags & 0x0400) == 0x0400;
TC = (flags & 0x0200) == 0x0200;
RD = (flags & 0x0100) == 0x0100;
RA = (flags & 0x0080) == 0x0080;
opcode4 = (byte)((flags & 0x7800) >> 11);
Z = (flags & 0x0040) >> 6;
AD = (flags & 0x0020) == 0x0020;
CD = (flags & 0x0010) == 0x0010;
Status = (MessageStatus)(flags & 0x000F);
var qdcount = reader.ReadUInt16();
var ancount = reader.ReadUInt16();
var nscount = reader.ReadUInt16();
var arcount = reader.ReadUInt16();
for (var i = 0; i < qdcount; ++i)
{
var question = (Question) new Question().Read(reader);
Questions.Add(question);
}
for (var i = 0; i < ancount; ++i)
{
var rr = (ResourceRecord) new ResourceRecord().Read(reader);
Answers.Add(rr);
}
for (var i = 0; i < nscount; ++i)
{
var rr = (ResourceRecord) new ResourceRecord().Read(reader);
AuthorityRecords.Add(rr);
}
for (var i = 0; i < arcount; ++i)
{
var rr = (ResourceRecord) new ResourceRecord().Read(reader);
AdditionalRecords.Add(rr);
}
return(this);
}
/// <inheritdoc />
public override IWireSerialiser Read(WireReader reader)
{
Id = reader.ReadUInt16();
var flags = reader.ReadUInt16();
QR = (flags & 0x8000) == 0x8000;
Opcode = (MessageOperation)((flags & 0x7800) >> 11);
Z = (flags & 0x07F0) >> 4;
Status = (MessageStatus)(flags & 0x000F);
var zocount = reader.ReadUInt16();
var prcount = reader.ReadUInt16();
var upcount = reader.ReadUInt16();
var arcount = reader.ReadUInt16();
for (var i = 0; i < zocount; ++i)
{
Zone = (Question) new Question().Read(reader);
}
for (var i = 0; i < prcount; ++i)
{
var rr = (ResourceRecord) new ResourceRecord().Read(reader);
Prerequisites.Add(rr);
}
for (var i = 0; i < upcount; ++i)
{
var rr = (ResourceRecord) new ResourceRecord().Read(reader);
Updates.Add(rr);
}
for (var i = 0; i < arcount; ++i)
{
var rr = (ResourceRecord) new ResourceRecord().Read(reader);
AdditionalResources.Add(rr);
}
return(this);
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
var end = reader.Position + length;
while (reader.Position < end)
{
var type = (EdnsOptionType)reader.ReadUInt16();
int olength = reader.ReadUInt16();
EdnsOption option;
if (EdnsOptionRegistry.Options.TryGetValue(type, out Func <EdnsOption> maker))
{
option = maker();
}
else
{
option = new UnknownEdnsOption {
Type = type
};
}
Options.Add(option);
option.ReadData(reader, olength);
}
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
Address = reader.ReadIPAddress(length);
}
/// <summary>
/// Read the data that is specific to the resource record <see cref="Type"/>.
/// </summary>
/// <param name="reader">
/// The source of the resource record's data.
/// </param>
/// <param name="length">
/// The length, in bytes, of the data.
/// </param>
/// <remarks>
/// Derived classes must implement this method.
/// </remarks>
public virtual void ReadData(WireReader reader, int length)
{
}
/// <inheritdoc />
public override void ReadData(WireReader reader, int length)
{
Data = reader.ReadBytes(length);
}
/// <inheritdoc /> public abstract IWireSerialiser Read(WireReader reader);