Class DefaultDnsOptCookieRecord

java.lang.Object

io.netty.handler.codec.dns.AbstractDnsRecord

io.netty.handler.codec.dns.AbstractDnsOptPseudoRrRecord

io.netty.handler.codec.dns.DefaultDnsOptCookieRecord

All Implemented Interfaces:

DnsOptCookieRecord, DnsOptPseudoRecord, DnsRecord

public final class DefaultDnsOptCookieRecord
extends AbstractDnsOptPseudoRrRecord
implements DnsOptCookieRecord

Default DnsOptCookieRecord implementation.

Field Summary

Fields inherited from interface DnsOptCookieRecord

CLIENT_COOKIE_LENGTH, OPTION_CODE

Modifier and Type	Field	Description
static final int	CLIENT_COOKIE_LENGTH	The length of a client cookie in bytes.
static final int	OPTION_CODE	The OPTION-CODE that is assigned to COOKIE.

Fields inherited from interface DnsRecord

CLASS_ANY, CLASS_CHAOS, CLASS_CSNET, CLASS_HESIOD, CLASS_IN, CLASS_NONE

Modifier and Type	Field	Description
static final int	CLASS_ANY	DNS resource record class: ANY
static final int	CLASS_CHAOS	DNS resource record class: CHAOS
static final int	CLASS_CSNET	DNS resource record class: CSNET
static final int	CLASS_HESIOD	DNS resource record class: HESIOD
static final int	CLASS_IN	DNS resource record class: IN
static final int	CLASS_NONE	DNS resource record class: NONE

Constructor Summary

Constructors

Constructor	Description
DefaultDnsOptCookieRecord(int maxPayloadSize, byte[] clientCookie)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
byte[]	clientCookie()	Returns the client cookie, which is always DnsOptCookieRecord.CLIENT_COOKIE_LENGTH bytes long.

Methods inherited from class AbstractDnsOptPseudoRrRecord

extendedRcode, flags, toString, version

Modifier and Type	Method	Description
int	extendedRcode()	Returns the EXTENDED-RCODE which is encoded into DnsRecord.timeToLive().
int	flags()	Returns the 16-bit flags field which is encoded into the lower 16 bits of DnsRecord.timeToLive(), as laid out by RFC 6891.
String	toString()
int	version()	Returns the VERSION which is encoded into DnsRecord.timeToLive().

Methods inherited from class AbstractDnsRecord

dnsClass, equals, hashCode, name, timeToLive, type

Modifier and Type	Method	Description
int	dnsClass()	Returns the class of this resource record.
boolean	equals(Object obj)
int	hashCode()
String	name()	Returns the name of this resource record.
long	timeToLive()	Returns the time to live after reading for this resource record.
DnsRecordType	type()	Returns the type of this resource record.

Methods inherited from class Object

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

Constructor Details

DefaultDnsOptCookieRecord

public DefaultDnsOptCookieRecord(int maxPayloadSize,
 byte[] clientCookie)

Creates a new instance.

Parameters:

maxPayloadSize - the suggested max payload size in bytes

clientCookie - the client cookie, must be exactly DnsOptCookieRecord.CLIENT_COOKIE_LENGTH bytes

Method Details

clientCookie

public byte[] clientCookie()

Description copied from interface: DnsOptCookieRecord

Returns the client cookie, which is always DnsOptCookieRecord.CLIENT_COOKIE_LENGTH bytes long. The returned array is a copy.

Specified by:

clientCookie in interface DnsOptCookieRecord