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java.lang.Objectorg.xbill.DNS.Record
org.xbill.DNS.OPTRecord
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.
Message,
Resolver| Nested Class Summary | |
static class |
OPTRecord.Option
|
| Field Summary |
| Fields inherited from class org.xbill.DNS.Record |
dclass, name, ttl, type |
| Constructor Summary | |
OPTRecord(int payloadSize,
int xrcode,
int version)
Creates an OPT Record with no data. |
|
OPTRecord(int payloadSize,
int xrcode,
int version,
int flags)
Creates an OPT Record with no data. |
|
OPTRecord(int payloadSize,
int xrcode,
int version,
int flags,
List options)
Creates an OPT Record. |
|
| Method Summary | |
int |
getExtendedRcode()
Returns the extended Rcode |
int |
getFlags()
Returns the EDNS flags |
List |
getOptions()
Gets all options in the OPTRecord. |
List |
getOptions(int code)
Gets all options in the OPTRecord with a specific code. |
int |
getPayloadSize()
Returns the maximum allowed payload size. |
int |
getVersion()
Returns the highest supported EDNS version |
| Methods inherited from class org.xbill.DNS.Record |
byteArrayFromString, byteArrayToString, compareTo, equals, fromString, fromString, fromWire, getAdditionalName, getDClass, getName, getRRsetType, getTTL, getType, hashCode, newRecord, newRecord, newRecord, newRecord, rdataToString, rdataToWireCanonical, toString, toWire, toWireCanonical, unknownToString, withName |
| Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
public OPTRecord(int payloadSize,
int xrcode,
int version,
int flags,
List options)
payloadSize - The size of a packet that can be reassembled on the
sending host.xrcode - The value of the extended rcode field. This is the upper
16 bits of the full rcode.flags - Additional message flags.version - The EDNS version that this DNS implementation supports.
This should be 0 for dnsjava.options - The list of options that comprise the data field. There
are currently no defined options.ExtendedFlags
public OPTRecord(int payloadSize,
int xrcode,
int version,
int flags)
payloadSize - The size of a packet that can be reassembled on the
sending host.xrcode - The value of the extended rcode field. This is the upper
16 bits of the full rcode.flags - Additional message flags.version - The EDNS version that this DNS implementation supports.
This should be 0 for dnsjava.ExtendedFlags
public OPTRecord(int payloadSize,
int xrcode,
int version)
| Method Detail |
public int getPayloadSize()
public int getExtendedRcode()
Rcodepublic int getVersion()
public int getFlags()
public List getOptions()
public List getOptions(int code)
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