io.netty.handler.codec.dns

Class DatagramDnsResponse

java.lang.Object

io.netty.util.AbstractReferenceCounted

io.netty.handler.codec.dns.AbstractDnsMessage

io.netty.handler.codec.dns.DefaultDnsResponse

io.netty.handler.codec.dns.DatagramDnsResponse

All Implemented Interfaces:

AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>, DnsMessage, DnsResponse, ReferenceCounted

@UnstableApi
public class DatagramDnsResponse
extends DefaultDnsResponse
implements AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>

A DnsResponse implementation for UDP/IP.

Constructor Summary

Constructors

Constructor and Description
DatagramDnsResponse(InetSocketAddress sender, InetSocketAddress recipient, int id) Creates a new instance with the DnsOpCode.QUERY opCode and the DnsResponseCode.NOERROR RCODE.
DatagramDnsResponse(InetSocketAddress sender, InetSocketAddress recipient, int id, DnsOpCode opCode) Creates a new instance with the DnsResponseCode.NOERROR responseCode.
DatagramDnsResponse(InetSocketAddress sender, InetSocketAddress recipient, int id, DnsOpCode opCode, DnsResponseCode responseCode) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
DatagramDnsResponse	addRecord(DnsSection section, DnsRecord record) Adds the specified record at the end of the specified section of this DNS message.
DatagramDnsResponse	addRecord(DnsSection section, int index, DnsRecord record) Adds the specified record at the specified index of the specified section of this DNS message.
DatagramDnsResponse	clear() Removes all the records in this DNS message.
DatagramDnsResponse	clear(DnsSection section) Removes all the records in the specified section of this DNS message.
DatagramDnsResponse	content() Returns the message wrapped by this envelope message.
boolean	equals(Object obj)
int	hashCode()
InetSocketAddress	recipient() Returns the address of the recipient of this message.
DatagramDnsResponse	retain() Increases the reference count by 1.
DatagramDnsResponse	retain(int increment) Increases the reference count by the specified increment.
InetSocketAddress	sender() Returns the address of the sender of this message.
DatagramDnsResponse	setAuthoritativeAnswer(boolean authoritativeAnswer) Set to true if responding server is authoritative for the domain name in the query message.
DatagramDnsResponse	setCode(DnsResponseCode code) Sets the response code for this message.
DatagramDnsResponse	setId(int id) Sets the ID of this DNS message.
DatagramDnsResponse	setOpCode(DnsOpCode opCode) Sets the opCode of this DNS message.
DatagramDnsResponse	setRecord(DnsSection section, DnsRecord record) Sets the specified section of this DNS message to the specified record, making it a single-record section.
DatagramDnsResponse	setRecursionAvailable(boolean recursionAvailable) Set to true if DNS server can handle recursive queries.
DatagramDnsResponse	setRecursionDesired(boolean recursionDesired) Sets the RD (recursion desired} field of this DNS message.
DatagramDnsResponse	setTruncated(boolean truncated) Set to true if response has been truncated (usually happens for responses over 512 bytes).
DatagramDnsResponse	setZ(int z) Sets the Z (reserved for future use) field of this DNS message.
DatagramDnsResponse	touch() Records the current access location of this object for debugging purposes.
DatagramDnsResponse	touch(Object hint) Records the current access location of this object with an additional arbitrary information for debugging purposes.

Methods inherited from class io.netty.handler.codec.dns.DefaultDnsResponse

code, isAuthoritativeAnswer, isRecursionAvailable, isTruncated, toString

Methods inherited from class io.netty.handler.codec.dns.AbstractDnsMessage

count, count, deallocate, id, isRecursionDesired, opCode, recordAt, recordAt, removeRecord, setRecord, z

Methods inherited from class io.netty.util.AbstractReferenceCounted

refCnt, release, release, setRefCnt

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.util.ReferenceCounted

refCnt, release, release

Methods inherited from interface io.netty.handler.codec.dns.DnsMessage

count, count, id, isRecursionDesired, opCode, recordAt, recordAt, removeRecord, setRecord, z

Constructor Detail

DatagramDnsResponse

public DatagramDnsResponse(InetSocketAddress sender,
                           InetSocketAddress recipient,
                           int id)

Creates a new instance with the DnsOpCode.QUERY opCode and the DnsResponseCode.NOERROR RCODE.

Parameters:

sender - the address of the sender

recipient - the address of the recipient

id - the ID of the DNS response

DatagramDnsResponse

public DatagramDnsResponse(InetSocketAddress sender,
                           InetSocketAddress recipient,
                           int id,
                           DnsOpCode opCode)

Creates a new instance with the DnsResponseCode.NOERROR responseCode.

Parameters:

sender - the address of the sender

recipient - the address of the recipient

id - the ID of the DNS response

opCode - the opCode of the DNS response

DatagramDnsResponse

public DatagramDnsResponse(InetSocketAddress sender,
                           InetSocketAddress recipient,
                           int id,
                           DnsOpCode opCode,
                           DnsResponseCode responseCode)

Creates a new instance.

Parameters:

sender - the address of the sender

recipient - the address of the recipient

id - the ID of the DNS response

opCode - the opCode of the DNS response

responseCode - the RCODE of the DNS response

Method Detail

content

public DatagramDnsResponse content()

Description copied from interface: AddressedEnvelope

Returns the message wrapped by this envelope message.

Specified by:

content in interface AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>

sender

public InetSocketAddress sender()

Description copied from interface: AddressedEnvelope

Returns the address of the sender of this message.

Specified by:

sender in interface AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>

recipient

public InetSocketAddress recipient()

Description copied from interface: AddressedEnvelope

Returns the address of the recipient of this message.

Specified by:

recipient in interface AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>

setAuthoritativeAnswer

public DatagramDnsResponse setAuthoritativeAnswer(boolean authoritativeAnswer)

Description copied from interface: DnsResponse

Set to true if responding server is authoritative for the domain name in the query message.

Specified by:

setAuthoritativeAnswer in interface DnsResponse

Overrides:

setAuthoritativeAnswer in class DefaultDnsResponse

Parameters:

authoritativeAnswer - flag for authoritative answer

setTruncated

public DatagramDnsResponse setTruncated(boolean truncated)

Description copied from interface: DnsResponse

Set to true if response has been truncated (usually happens for responses over 512 bytes).

Specified by:

setTruncated in interface DnsResponse

Overrides:

setTruncated in class DefaultDnsResponse

Parameters:

truncated - flag for truncation

setRecursionAvailable

public DatagramDnsResponse setRecursionAvailable(boolean recursionAvailable)

Description copied from interface: DnsResponse

Set to true if DNS server can handle recursive queries.

Specified by:

setRecursionAvailable in interface DnsResponse

Overrides:

setRecursionAvailable in class DefaultDnsResponse

Parameters:

recursionAvailable - flag for recursion availability

setCode

public DatagramDnsResponse setCode(DnsResponseCode code)

Description copied from interface: DnsResponse

Sets the response code for this message.

Specified by:

setCode in interface DnsResponse

Overrides:

setCode in class DefaultDnsResponse

Parameters:

code - the response code

setId

public DatagramDnsResponse setId(int id)

Description copied from interface: DnsMessage

Sets the ID of this DNS message.

Specified by:

setId in interface DnsMessage

Specified by:

setId in interface DnsResponse

Overrides:

setId in class DefaultDnsResponse

setOpCode

public DatagramDnsResponse setOpCode(DnsOpCode opCode)

Description copied from interface: DnsMessage

Sets the opCode of this DNS message.

Specified by:

setOpCode in interface DnsMessage

Specified by:

setOpCode in interface DnsResponse

Overrides:

setOpCode in class DefaultDnsResponse

setRecursionDesired

public DatagramDnsResponse setRecursionDesired(boolean recursionDesired)

Description copied from interface: DnsMessage

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

Specified by:

setRecursionDesired in interface DnsMessage

Specified by:

setRecursionDesired in interface DnsResponse

Overrides:

setRecursionDesired in class DefaultDnsResponse

setZ

public DatagramDnsResponse setZ(int z)

Description copied from interface: DnsMessage

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

Specified by:

setZ in interface DnsMessage

Specified by:

setZ in interface DnsResponse

Overrides:

setZ in class DefaultDnsResponse

setRecord

public DatagramDnsResponse setRecord(DnsSection section,
                                     DnsRecord record)

Description copied from interface: DnsMessage

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.

Specified by:

setRecord in interface DnsMessage

Specified by:

setRecord in interface DnsResponse

Overrides:

setRecord in class DefaultDnsResponse

addRecord

public DatagramDnsResponse addRecord(DnsSection section,
                                     DnsRecord record)

Description copied from interface: DnsMessage

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.

Specified by:

addRecord in interface DnsMessage

Specified by:

addRecord in interface DnsResponse

Overrides:

addRecord in class DefaultDnsResponse

addRecord

public DatagramDnsResponse addRecord(DnsSection section,
                                     int index,
                                     DnsRecord record)

Description copied from interface: DnsMessage

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.

Specified by:

addRecord in interface DnsMessage

Specified by:

addRecord in interface DnsResponse

Overrides:

addRecord in class DefaultDnsResponse

clear

public DatagramDnsResponse clear(DnsSection section)

Description copied from interface: DnsMessage

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

Specified by:

clear in interface DnsMessage

Specified by:

clear in interface DnsResponse

Overrides:

clear in class DefaultDnsResponse

clear

public DatagramDnsResponse clear()

Description copied from interface: DnsMessage

Removes all the records in this DNS message.

Specified by:

clear in interface DnsMessage

Specified by:

clear in interface DnsResponse

Overrides:

clear in class DefaultDnsResponse

touch

public DatagramDnsResponse touch()

Description copied from interface: 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).

Specified by:

touch in interface AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>

Specified by:

touch in interface DnsMessage

Specified by:

touch in interface DnsResponse

Specified by:

touch in interface ReferenceCounted

Overrides:

touch in class DefaultDnsResponse

touch

public DatagramDnsResponse touch(Object hint)

Description copied from interface: 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.

Specified by:

touch in interface AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>

Specified by:

touch in interface DnsMessage

Specified by:

touch in interface DnsResponse

Specified by:

touch in interface ReferenceCounted

Overrides:

touch in class DefaultDnsResponse

retain

public DatagramDnsResponse retain()

Description copied from interface: ReferenceCounted

Increases the reference count by 1.

Specified by:

retain in interface AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>

Specified by:

retain in interface DnsMessage

Specified by:

retain in interface DnsResponse

Specified by:

retain in interface ReferenceCounted

Overrides:

retain in class DefaultDnsResponse

retain

public DatagramDnsResponse retain(int increment)

Description copied from interface: ReferenceCounted

Increases the reference count by the specified increment.

Specified by:

retain in interface AddressedEnvelope<DatagramDnsResponse,InetSocketAddress>

Specified by:

retain in interface DnsMessage

Specified by:

retain in interface DnsResponse

Specified by:

retain in interface ReferenceCounted

Overrides:

retain in class DefaultDnsResponse

equals

public boolean equals(Object obj)

Overrides:

equals in class AbstractDnsMessage

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractDnsMessage