/// <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 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)
{
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);
}
public void Roundtrip()
{
var someBytes = new byte[] { 1, 2, 3 };
var someDate = new DateTime(1997, 1, 21, 3, 4, 5, DateTimeKind.Utc);
var ms = new MemoryStream();
var writer = new WireWriter(ms);
writer.WriteDomainName("emanon.org");
writer.WriteString("alpha");
writer.WriteTimeSpan32(TimeSpan.FromHours(3));
writer.WriteUInt16(ushort.MaxValue);
writer.WriteUInt32(uint.MaxValue);
writer.WriteUInt48(0XFFFFFFFFFFFFul);
writer.WriteBytes(someBytes);
writer.WriteByteLengthPrefixedBytes(someBytes);
writer.WriteByteLengthPrefixedBytes(null);
writer.WriteIPAddress(IPAddress.Parse("127.0.0.1"));
writer.WriteIPAddress(IPAddress.Parse("2406:e001:13c7:1:7173:ef8:852f:25cb"));
writer.WriteDateTime32(someDate);
writer.WriteDateTime48(someDate);
ms.Position = 0;
var reader = new WireReader(ms);
Assert.AreEqual("emanon.org", reader.ReadDomainName());
Assert.AreEqual("alpha", reader.ReadString());
Assert.AreEqual(TimeSpan.FromHours(3), reader.ReadTimeSpan32());
Assert.AreEqual(ushort.MaxValue, reader.ReadUInt16());
Assert.AreEqual(uint.MaxValue, reader.ReadUInt32());
Assert.AreEqual(0XFFFFFFFFFFFFul, reader.ReadUInt48());
CollectionAssert.AreEqual(someBytes, reader.ReadBytes(3));
CollectionAssert.AreEqual(someBytes, reader.ReadByteLengthPrefixedBytes());
CollectionAssert.AreEqual(new byte[0], reader.ReadByteLengthPrefixedBytes());
Assert.AreEqual(IPAddress.Parse("127.0.0.1"), reader.ReadIPAddress());
Assert.AreEqual(IPAddress.Parse("2406:e001:13c7:1:7173:ef8:852f:25cb"), reader.ReadIPAddress(16));
Assert.AreEqual(someDate, reader.ReadDateTime32());
Assert.AreEqual(someDate, reader.ReadDateTime48());
}