Class NameServer

Anwsers questions from the local Catalog.

Inheritance

Object

NameServer

CachedNameServer

Implements

IResolver

Inherited Members

Object.ToString()

Object.Equals(Object)

Object.Equals(Object, Object)

Object.ReferenceEquals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Namespace: Makaretu.Dns.Resolving

Assembly: Makaretu.Dns.dll

Syntax

public class NameServer : IResolver

Properties

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AnswerAllQuestions

Determines how multiple questions are answered.

Declaration

public bool AnswerAllQuestions { get; set; }

Property Value

Type	Description
Boolean	false to answer any of the questions. false to answer all of the questions. The default is false.

Remarks

Standard DNS specifies that only one of the questions need to be answered. Multicast DNS specifies that all the questions need to be answered.

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Catalog

Information about some portion of the DNS database.

Declaration

public Catalog Catalog { get; set; }

Property Value

Type	Description
Catalog	A subset of the DNS database. Typically (1) one or more zones or (2) a cache of received responses.

Methods

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FindAnswerAsync(Question, Message, CancellationToken)

Find an answer to the Question.

Declaration

protected Task<bool> FindAnswerAsync(Question question, Message response, CancellationToken cancel)

Parameters

Type	Name	Description
Question	question	The question to answer.
Message	response	Where the answers are added.
CancellationToken	cancel	Is used to stop the task. When cancelled, the TaskCanceledException is raised.

Returns

Type	Description
Task<Boolean>	A task that represents the asynchronous operation. The task's value is true if the resolver added an answer.

Remarks

Derived classes must implement this method.

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ResolveAsync(Message, CancellationToken)

Get an answer to a question.

Declaration

public Task<Message> ResolveAsync(Message request, CancellationToken cancel = default(CancellationToken))

Parameters

Type	Name	Description
Message	request	A Message containing a Question that needs to be answered.
CancellationToken	cancel	Is used to stop the task. When cancelled, the TaskCanceledException is raised.

Returns

Type	Description
Task<Message>	A task that represents the asynchronous operation. The task's value is the Message response to the `request`.

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ResolveAsync(Question, Message, CancellationToken)

Get an answer to a question.

Declaration

public Task<Message> ResolveAsync(Question question, Message response = null, CancellationToken cancel = default(CancellationToken))

Parameters

Type	Name	Description
Question	question	The question to answer.
Message	response	Where the answers are added. If null, then a new Message is created.
CancellationToken	cancel	Is used to stop the task. When cancelled, the TaskCanceledException is raised.

Returns

Type	Description
Task<Message>	A task that represents the asynchronous operation. The task's value is a Message response to the `question`.

Remarks

If the question's domain does not exist, then the closest authority (SOARecord) is added to the AuthorityRecords.

Implements

IResolver