org.xbill.DNS

Class ClientSubnetOption

java.lang.Object

org.xbill.DNS.EDNSOption

org.xbill.DNS.ClientSubnetOption

public class ClientSubnetOption
extends EDNSOption

The Client Subnet EDNS Option, defined in Author:

Brian Wellington, Ming Zhou <mizhou@bnivideo.com>, Beaumaris Networks

See Also:

OPTRecord

Nested Class Summary

Nested classes/interfaces inherited from class org.xbill.DNS.EDNSOption

EDNSOption.Code

Constructor Summary

Constructors

Constructor and Description
ClientSubnetOption(int sourcePrefixLength, InetAddress address) Construct a Client Subnet option with scope netmask set to 0.
ClientSubnetOption(int sourcePrefixLength, int scopePrefixLength, InetAddress address) Construct a Client Subnet option.

Method Summary

Modifier and Type	Method and Description
InetAddress	getAddress() Returns the IP address of the client.
int	getFamily() Returns the family of the network address.
int	getScopePrefixLength() Returns the scope netmask.
int	getSourcePrefixLength() Returns the source netmask.

Methods inherited from class org.xbill.DNS.EDNSOption

equals, fromWire, getCode, hashCode, toString, toWire

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientSubnetOption

public ClientSubnetOption(int sourcePrefixLength,
                          int scopePrefixLength,
                          InetAddress address)

Construct a Client Subnet option. Note that the number of significant bits in the address must not be greater than the supplied source netmask. There may also be issues related to Java's handling of mapped addresses

Parameters:

sourcePrefixLength - The length of the netmask pertaining to the query. In replies, it mirrors the same value as in the requests.

scopePrefixLength - The length of the netmask pertaining to the reply. In requests, it MUST be set to 0. In responses, this may or may not match the source netmask.

address - The address of the client.

ClientSubnetOption

public ClientSubnetOption(int sourcePrefixLength,
                          InetAddress address)

Construct a Client Subnet option with scope netmask set to 0.

Parameters:

sourcePrefixLength - The length of the netmask pertaining to the query. In replies, it mirrors the same value as in the requests.

address - The address of the client.

See Also:

ClientSubnetOption

Method Detail

getFamily

public int getFamily()

Returns the family of the network address. This will be either IPv4 (1) or IPv6 (2).

getSourcePrefixLength

public int getSourcePrefixLength()

Returns the source netmask.

getScopePrefixLength

public int getScopePrefixLength()

Returns the scope netmask.

getAddress

public InetAddress getAddress()

Returns the IP address of the client.