org.xbill.DNS
Class OPTRecord

java.lang.Object
  |
  +--org.xbill.DNS.Record
        |
        +--org.xbill.DNS.OPTRecord

public class OPTRecord

extends Record

Options - describes Extended DNS (EDNS) properties of a Message. No specific options are defined other than those specified in the header. An OPT should be generated by Resolver. EDNS is a method to extend the DNS protocol while providing backwards compatibility and not significantly changing the protocol. This implementation of EDNS is mostly complete at level 0.

See Also:

Message, Resolver

Fields inherited from class org.xbill.DNS.Record

dclass, name, ttl, type, wireLength

Constructor Summary

OPTRecord(short payloadSize, byte xrcode, byte version)
Creates an OPT Record with no data.

Method Summary

short	getExtendedRcode() Returns the extended Rcode
short	getPayloadSize() Returns the maximum allowed payload size.
short	getVersion() Returns the highest supported EDNS version
String	toString() Converts to a String

Methods inherited from class org.xbill.DNS.Record

equals, fromString, fromWire, getDClass, getName, getRRsetType, getTTL, getType, getWireLength, hashCode, newRecord, newRecord, newRecord, toWire, toWireCanonical, withName

Methods inherited from class java.lang.Object

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

Constructor Detail

OPTRecord

public OPTRecord(short payloadSize,
                 byte xrcode,
                 byte version)

Creates an OPT Record with no data. This is normally called by SimpleResolver, but can also be called by a server.

Method Detail

toString

public String toString()

Converts to a String

Overrides:

toString in class Record

getPayloadSize

public short getPayloadSize()

Returns the maximum allowed payload size.

getExtendedRcode

public short getExtendedRcode()

Returns the extended Rcode

See Also:

Rcode

getVersion

public short getVersion()

Returns the highest supported EDNS version