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

Modifier and Type	Field	Description
private final byte[]	clientCookie

Fields inherited from interface DnsOptCookieRecord

CLIENT_COOKIE_LENGTH, OPTION_CODE

Fields inherited from interface DnsRecord

CLASS_ANY, CLASS_CHAOS, CLASS_CSNET, CLASS_HESIOD, CLASS_IN, 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.
private static byte[]	verifyCookie(byte[] clientCookie)

Methods inherited from class AbstractDnsOptPseudoRrRecord

extendedRcode, flags, toString, toStringBuilder, version

Methods inherited from class AbstractDnsRecord

dnsClass, equals, hashCode, name, timeToLive, type

Methods inherited from class Object

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

Methods inherited from interface DnsOptPseudoRecord

extendedRcode, flags, version

Methods inherited from interface DnsRecord

dnsClass, name, timeToLive, type

Field Details

clientCookie

private final byte[] clientCookie

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

verifyCookie

private static byte[] verifyCookie(byte[] clientCookie)

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