org.apache.directory.server.dns.messages

Class DnsMessage

java.lang.Object

org.apache.directory.server.dns.messages.DnsMessage

public class DnsMessage
extends java.lang.Object

All communications inside of the domain protocol are carried in a single format called a message. The top level format of message is divided into 5 sections (some of which are empty in certain cases) shown below: +---------------------+ | Header | +---------------------+ | Question | the question for the name server +---------------------+ | Answer | ResourceRecords answering the question +---------------------+ | Authority | ResourceRecords pointing toward an authority +---------------------+ | Additional | ResourceRecords holding additional information +---------------------+

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	acceptNonAuthenticatedData
private java.util.List<ResourceRecord>	additionalRecords
private java.util.List<ResourceRecord>	answerRecords
private boolean	authoritativeAnswer
private java.util.List<ResourceRecord>	authorityRecords
private MessageType	messageType
private OpCode	opCode
private java.util.List<QuestionRecord>	questionRecords
private boolean	recursionAvailable
private boolean	recursionDesired
private boolean	reserved
private ResponseCode	responseCode
private int	transactionId The header section is always present.
private boolean	truncated

Constructor Summary

Constructors

Constructor and Description

DnsMessage(int transactionId, MessageType messageType, OpCode opCode, boolean authoritativeAnswer, boolean truncated, boolean recursionDesired, boolean recursionAvailable, boolean reserved, boolean acceptNonAuthenticatedData, ResponseCode responseCode, java.util.List<QuestionRecord> question, java.util.List<ResourceRecord> answer, java.util.List<ResourceRecord> authority, java.util.List<ResourceRecord> additional) Creates a new instance of DnsMessage.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object object)
java.util.List<ResourceRecord>	getAdditionalRecords()
java.util.List<ResourceRecord>	getAnswerRecords()
java.util.List<ResourceRecord>	getAuthorityRecords()
MessageType	getMessageType()
OpCode	getOpCode()
java.util.List<QuestionRecord>	getQuestionRecords()
ResponseCode	getResponseCode()
int	getTransactionId()
int	hashCode()
boolean	isAcceptNonAuthenticatedData()
boolean	isAuthoritativeAnswer()
boolean	isRecursionAvailable()
boolean	isRecursionDesired()
boolean	isReserved()
boolean	isTruncated()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

transactionId

private int transactionId

The header section is always present. The header includes fields that specify which of the remaining sections are present, and also specify whether the message is a query or a response, a standard query or some other opcode, etc.

messageType

private MessageType messageType

opCode

private OpCode opCode

authoritativeAnswer

private boolean authoritativeAnswer

truncated

private boolean truncated

recursionDesired

private boolean recursionDesired

recursionAvailable

private boolean recursionAvailable

reserved

private boolean reserved

acceptNonAuthenticatedData

private boolean acceptNonAuthenticatedData

responseCode

private ResponseCode responseCode

questionRecords

private java.util.List<QuestionRecord> questionRecords

answerRecords

private java.util.List<ResourceRecord> answerRecords

authorityRecords

private java.util.List<ResourceRecord> authorityRecords

additionalRecords

private java.util.List<ResourceRecord> additionalRecords

Constructor Detail

DnsMessage

public DnsMessage(int transactionId,
                  MessageType messageType,
                  OpCode opCode,
                  boolean authoritativeAnswer,
                  boolean truncated,
                  boolean recursionDesired,
                  boolean recursionAvailable,
                  boolean reserved,
                  boolean acceptNonAuthenticatedData,
                  ResponseCode responseCode,
                  java.util.List<QuestionRecord> question,
                  java.util.List<ResourceRecord> answer,
                  java.util.List<ResourceRecord> authority,
                  java.util.List<ResourceRecord> additional)

Creates a new instance of DnsMessage.

Parameters:

transactionId -

messageType -

opCode -

authoritativeAnswer -

truncated -

recursionDesired -

recursionAvailable -

reserved -

acceptNonAuthenticatedData -

responseCode -

question -

answer -

authority -

additional -

Method Detail

isAcceptNonAuthenticatedData

public boolean isAcceptNonAuthenticatedData()

Returns:

Returns the acceptNonAuthenticatedData.

getAdditionalRecords

public java.util.List<ResourceRecord> getAdditionalRecords()

Returns:

Returns the additional.

getAnswerRecords

public java.util.List<ResourceRecord> getAnswerRecords()

Returns:

Returns the answers.

isAuthoritativeAnswer

public boolean isAuthoritativeAnswer()

Returns:

Returns the authoritativeAnswer.

getAuthorityRecords

public java.util.List<ResourceRecord> getAuthorityRecords()

Returns:

Returns the authority.

getMessageType

public MessageType getMessageType()

Returns:

Returns the messageType.

getOpCode

public OpCode getOpCode()

Returns:

Returns the opCode.

getQuestionRecords

public java.util.List<QuestionRecord> getQuestionRecords()

Returns:

Returns the question.

isRecursionAvailable

public boolean isRecursionAvailable()

Returns:

Returns the recursionAvailable.

isRecursionDesired

public boolean isRecursionDesired()

Returns:

Returns the recursionDesired.

isReserved

public boolean isReserved()

Returns:

Returns the reserved.

getResponseCode

public ResponseCode getResponseCode()

Returns:

Returns the responseCode.

getTransactionId

public int getTransactionId()

Returns:

Returns the transactionId.

isTruncated

public boolean isTruncated()

Returns:

Returns the truncated.

equals

public boolean equals(java.lang.Object object)

Overrides:

equals in class java.lang.Object

See Also:

Object.equals(Object)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

Returns:

the instance's hash code

See Also:

Object.hashCode()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()