/// <summary>
/// Creates a new instance of the DnsUpdateMessage as response to the current instance
/// </summary>
/// <returns>A new instance of the DnsUpdateMessage as response to the current instance</returns>
public DnsUpdateMessage CreateResponseInstance()
{
DnsUpdateMessage result = new DnsUpdateMessage()
{
TransactionID = TransactionID,
IsQuery = false,
OperationCode = OperationCode,
Questions = new List <DnsQuestion>(Questions),
};
return(result);
}
/// <summary>
/// Creates a new instance of the DnsUpdateMessage as response to the current instance
/// </summary>
/// <returns>A new instance of the DnsUpdateMessage as response to the current instance</returns>
public DnsUpdateMessage CreateResponseInstance()
{
DnsUpdateMessage result = new DnsUpdateMessage()
{
TransactionID = TransactionID,
IsEDnsEnabled = IsEDnsEnabled,
IsQuery = false,
OperationCode = OperationCode,
Questions = new List <DnsQuestion>(Questions),
};
if (IsEDnsEnabled)
{
result.EDnsOptions.Version = EDnsOptions.Version;
result.EDnsOptions.UdpPayloadSize = EDnsOptions.UdpPayloadSize;
}
return(result);
}
public static DnsMessageBase Create(byte[] resultData, bool isRequest, DnsServer.SelectTsigKey tsigKeySelector, byte[] originalMac)
{
int flagPosition = 2;
ushort flags = ParseUShort(resultData, ref flagPosition);
DnsMessageBase res;
switch ((OperationCode) ((flags & 0x7800) >> 11))
{
case OperationCode.Update:
res = new DnsUpdateMessage();
break;
default:
res = new DnsMessage();
break;
}
res.Parse(resultData, isRequest, tsigKeySelector, originalMac);
return res;
}
/// <summary>
/// Creates a new instance of the DnsUpdateMessage as response to the current instance
/// </summary>
/// <returns>A new instance of the DnsUpdateMessage as response to the current instance</returns>
public DnsUpdateMessage CreateResponseInstance()
{
DnsUpdateMessage result = new DnsUpdateMessage()
{
TransactionID = TransactionID,
IsEDnsEnabled = IsEDnsEnabled,
IsQuery = false,
OperationCode = OperationCode,
Questions = new List<DnsQuestion>(Questions),
};
if (IsEDnsEnabled)
{
result.EDnsOptions.Version = EDnsOptions.Version;
result.EDnsOptions.UdpPayloadSize = EDnsOptions.UdpPayloadSize;
}
return result;
}
/// <summary>
/// Send an dynamic update to the dns server and returns the answer as an asynchronous operation.
/// </summary>
/// <param name="message"> Update, that should be send to the dns server </param>
/// <param name="token"> The token to monitor cancellation requests </param>
/// <returns> The complete response of the dns server </returns>
public Task<DnsUpdateMessage> SendUpdateAsync(DnsUpdateMessage message, CancellationToken token = default(CancellationToken))
{
if (message == null)
throw new ArgumentNullException(nameof(message));
if (message.ZoneName == null)
throw new ArgumentException("Zone name must be provided", nameof(message));
return SendMessageAsync(message, token);
}
/// <summary>
/// Send an dynamic update to the dns server and returns the answer.
/// </summary>
/// <param name="message"> Update, that should be send to the dns server </param>
/// <returns> The complete response of the dns server </returns>
public DnsUpdateMessage SendUpdate(DnsUpdateMessage message)
{
if (message == null)
throw new ArgumentNullException(nameof(message));
if (message.ZoneName == null)
throw new ArgumentException("Zone name must be provided", nameof(message));
return SendMessage(message);
}
/// <summary>
/// Send an dynamic update to the dns server and returns the answer asynchronously.
/// </summary>
/// <param name="message"> Update, that should be send to the dns server </param>
/// <param name="requestCallback">
/// An <see cref="System.AsyncCallback" /> delegate that references the method to invoked then the operation is complete.
/// </param>
/// <param name="state">
/// A user-defined object that contains information about the receive operation. This object is passed to the
/// <paramref
/// name="requestCallback" />
/// delegate when the operation is complete.
/// </param>
/// <returns>
/// An <see cref="System.IAsyncResult" /> IAsyncResult object that references the asynchronous receive.
/// </returns>
public IAsyncResult BeginSendUpdate(DnsUpdateMessage message, AsyncCallback requestCallback, object state)
{
if (message == null)
throw new ArgumentNullException("message");
if (String.IsNullOrEmpty(message.ZoneName))
throw new ArgumentException("Zone name must be provided", "message");
return BeginSendMessage(message, requestCallback, state);
}
/// <summary>
/// Send an dynamic update to the dns server and returns the answer.
/// </summary>
/// <param name="message"> Update, that should be send to the dns server </param>
/// <returns> The complete response of the dns server </returns>
public DnsUpdateMessage SendUpdate(DnsUpdateMessage message)
{
if (message == null)
throw new ArgumentNullException("message");
if (String.IsNullOrEmpty(message.ZoneName))
throw new ArgumentException("Zone name must be provided", "message");
return SendMessage(message);
}