Interface DnsOptCookieRecord

All Superinterfaces:

DnsOptPseudoRecord, DnsRecord

All Known Implementing Classes:

DefaultDnsOptCookieRecord

public interface DnsOptCookieRecord
extends DnsOptPseudoRecord

An DnsOptPseudoRecord that carries a client cookie as defined in RFC 7873, Domain Name System (DNS) Cookies.

Field Summary

Fields

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

Method Summary

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

Methods inherited from interface DnsOptPseudoRecord

extendedRcode, flags, 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.
int	version()	Returns the VERSION which is encoded into DnsRecord.timeToLive().

Methods inherited from interface DnsRecord

dnsClass, name, timeToLive, type

Modifier and Type	Method	Description
int	dnsClass()	Returns the class of this resource record.
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.

Field Details

CLIENT_COOKIE_LENGTH

static final int CLIENT_COOKIE_LENGTH

The length of a client cookie in bytes.

See Also:

• Constant Field Values

OPTION_CODE

static final int OPTION_CODE

The OPTION-CODE that is assigned to COOKIE.

See Also:

• Constant Field Values

Method Details

clientCookie

byte[] clientCookie()

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