io.netty.handler.codec.dns

接口 DnsMessage

所有超级接口:

ReferenceCounted

所有已知子接口:

DnsQuery, DnsResponse

所有已知实现类:

AbstractDnsMessage, DatagramDnsQuery, DatagramDnsResponse, DefaultDnsQuery, DefaultDnsResponse

@UnstableApi
public interface DnsMessage
extends ReferenceCounted

The superclass which contains core information concerning a DnsQuery and a DnsResponse.

方法概要

限定符和类型	方法和说明
DnsMessage	addRecord(DnsSection section, DnsRecord record) Adds the specified record at the end of the specified section of this DNS message.
DnsMessage	addRecord(DnsSection section, int index, DnsRecord record) Adds the specified record at the specified index of the specified section of this DNS message.
DnsMessage	clear() Removes all the records in this DNS message.
DnsMessage	clear(DnsSection section) Removes all the records in the specified section of this DNS message.
int	count() Returns the number of records in this DNS message.
int	count(DnsSection section) Returns the number of records in the specified section of this DNS message.
int	id() Returns the ID of this DNS message.
boolean	isRecursionDesired() Returns the RD (recursion desired} field of this DNS message.
DnsOpCode	opCode() Returns the opCode of this DNS message.
<T extends DnsRecord> T	recordAt(DnsSection section) Returns the first record in the specified section of this DNS message.
<T extends DnsRecord> T	recordAt(DnsSection section, int index) Returns the record at the specified index of the specified section of this DNS message.
<T extends DnsRecord> T	removeRecord(DnsSection section, int index) Removes the record at the specified index of the specified section from this DNS message.
DnsMessage	retain() Increases the reference count by 1.
DnsMessage	retain(int increment) Increases the reference count by the specified increment.
DnsMessage	setId(int id) Sets the ID of this DNS message.
DnsMessage	setOpCode(DnsOpCode opCode) Sets the opCode of this DNS message.
DnsMessage	setRecord(DnsSection section, DnsRecord record) Sets the specified section of this DNS message to the specified record, making it a single-record section.
<T extends DnsRecord> T	setRecord(DnsSection section, int index, DnsRecord record) Sets the specified record at the specified index of the specified section of this DNS message.
DnsMessage	setRecursionDesired(boolean recursionDesired) Sets the RD (recursion desired} field of this DNS message.
DnsMessage	setZ(int z) Sets the Z (reserved for future use) field of this DNS message.
DnsMessage	touch() Records the current access location of this object for debugging purposes.
DnsMessage	touch(java.lang.Object hint) Records the current access location of this object with an additional arbitrary information for debugging purposes.
int	z() Returns the Z (reserved for future use) field of this DNS message.

从接口继承的方法 io.netty.util.ReferenceCounted

refCnt, release, release

方法详细资料

id

int id()

Returns the ID of this DNS message.

setId

DnsMessage setId(int id)

Sets the ID of this DNS message.

opCode

DnsOpCode opCode()

Returns the opCode of this DNS message.

setOpCode

DnsMessage setOpCode(DnsOpCode opCode)

Sets the opCode of this DNS message.

isRecursionDesired

boolean isRecursionDesired()

Returns the RD (recursion desired} field of this DNS message.

setRecursionDesired

DnsMessage setRecursionDesired(boolean recursionDesired)

Sets the RD (recursion desired} field of this DNS message.

z

int z()

Returns the Z (reserved for future use) field of this DNS message.

setZ

DnsMessage setZ(int z)

Sets the Z (reserved for future use) field of this DNS message.

count

int count(DnsSection section)

Returns the number of records in the specified section of this DNS message.

count

int count()

Returns the number of records in this DNS message.

recordAt

<T extends DnsRecord> T recordAt(DnsSection section)

Returns the first record in the specified section of this DNS message. When the specified section is DnsSection.QUESTION, the type of the returned record is always DnsQuestion.

返回:

null if this message doesn't have any records in the specified section

recordAt

<T extends DnsRecord> T recordAt(DnsSection section,
                                 int index)

Returns the record at the specified index of the specified section of this DNS message. When the specified section is DnsSection.QUESTION, the type of the returned record is always DnsQuestion.

抛出:

java.lang.IndexOutOfBoundsException - if the specified index is out of bounds

setRecord

DnsMessage setRecord(DnsSection section,
                     DnsRecord record)

Sets the specified section of this DNS message to the specified record, making it a single-record section. When the specified section is DnsSection.QUESTION, the specified record must be a DnsQuestion.

setRecord

<T extends DnsRecord> T setRecord(DnsSection section,
                                  int index,
                                  DnsRecord record)

Sets the specified record at the specified index of the specified section of this DNS message. When the specified section is DnsSection.QUESTION, the specified record must be a DnsQuestion.

返回:

the old record

抛出:

java.lang.IndexOutOfBoundsException - if the specified index is out of bounds

addRecord

DnsMessage addRecord(DnsSection section,
                     DnsRecord record)

Adds the specified record at the end of the specified section of this DNS message. When the specified section is DnsSection.QUESTION, the specified record must be a DnsQuestion.

addRecord

DnsMessage addRecord(DnsSection section,
                     int index,
                     DnsRecord record)

Adds the specified record at the specified index of the specified section of this DNS message. When the specified section is DnsSection.QUESTION, the specified record must be a DnsQuestion.

抛出:

java.lang.IndexOutOfBoundsException - if the specified index is out of bounds

removeRecord

<T extends DnsRecord> T removeRecord(DnsSection section,
                                     int index)

Removes the record at the specified index of the specified section from this DNS message. When the specified section is DnsSection.QUESTION, the type of the returned record is always DnsQuestion.

返回:

the removed record

clear

DnsMessage clear(DnsSection section)

Removes all the records in the specified section of this DNS message.

clear

DnsMessage clear()

Removes all the records in this DNS message.

touch

DnsMessage touch()

从接口复制的说明: ReferenceCounted

Records the current access location of this object for debugging purposes. If this object is determined to be leaked, the information recorded by this operation will be provided to you via ResourceLeakDetector. This method is a shortcut to touch(null).

指定者:

touch 在接口中 ReferenceCounted

touch

DnsMessage touch(java.lang.Object hint)

从接口复制的说明: ReferenceCounted

Records the current access location of this object with an additional arbitrary information for debugging purposes. If this object is determined to be leaked, the information recorded by this operation will be provided to you via ResourceLeakDetector.

指定者:

touch 在接口中 ReferenceCounted

retain

DnsMessage retain()

从接口复制的说明: ReferenceCounted

Increases the reference count by 1.

指定者:

retain 在接口中 ReferenceCounted

retain

DnsMessage retain(int increment)

从接口复制的说明: ReferenceCounted

Increases the reference count by the specified increment.

指定者:

retain 在接口中 ReferenceCounted