Package org.onlab.packet.ndp

Class NeighborAdvertisement

java.lang.Object

org.onlab.packet.BasePacket

org.onlab.packet.ndp.NeighborAdvertisement

All Implemented Interfaces:

IPacket

public class NeighborAdvertisement
extends BasePacket

Implements ICMPv6 Neighbor Advertisement packet format (RFC 4861).

Field Summary

Fields

Modifier and Type	Field	Description
static byte	HEADER_LENGTH
protected static byte	NDP_HOP_LIMIT
protected static byte	NDP_OVERRIDE_FLAG
protected static byte	NDP_SOLICITED_FLAG
protected byte	overrideFlag
protected static byte	RESERVED_CODE
protected byte	routerFlag
protected byte	solicitedFlag
protected byte[]	targetAddress

Fields inherited from class org.onlab.packet.BasePacket

parent, payload

Constructor Summary

Constructors

Constructor	Description
NeighborAdvertisement()

Method Summary

Modifier and Type	Method	Description
NeighborAdvertisement	addOption(byte type, byte[] data)	Adds a Neighbor Discovery Protocol packet option.
static Ethernet	buildNdpAdv(Ip6Address srcIp, MacAddress srcMac, Ethernet request)	Builds an NDP reply based on a request.
static Deserializer<NeighborAdvertisement>	deserializer()	Deserializer function for neighbor advertisement packets.
boolean	equals(Object obj)
List<NeighborDiscoveryOptions.Option>	getOptions()	Gets the Neighbor Discovery Protocol packet options.
byte	getOverrideFlag()	Gets override flag.
byte	getRouterFlag()	Gets router flag.
byte	getSolicitedFlag()	Gets solicited flag.
byte[]	getTargetAddress()	Gets target address.
int	hashCode()
byte[]	serialize()	Sets all payloads parent packet if applicable, then serializes this packet and all payloads.
NeighborAdvertisement	setOverrideFlag(byte overrideFlag)	Sets override flag.
NeighborAdvertisement	setRouterFlag(byte routerFlag)	Sets router flag.
NeighborAdvertisement	setSolicitedFlag(byte solicitedFlag)	Sets solicited flag.
NeighborAdvertisement	setTargetAddress(byte[] targetAddress)	Sets target address.
String	toString()

Methods inherited from class org.onlab.packet.BasePacket

clone, getParent, getPayload, resetChecksum, setParent, setPayload

Methods inherited from class java.lang.Object

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

Field Detail

HEADER_LENGTH

public static final byte HEADER_LENGTH

See Also:

Constant Field Values

NDP_HOP_LIMIT

protected static final byte NDP_HOP_LIMIT

See Also:

Constant Field Values

NDP_SOLICITED_FLAG

protected static final byte NDP_SOLICITED_FLAG

See Also:

Constant Field Values

NDP_OVERRIDE_FLAG

protected static final byte NDP_OVERRIDE_FLAG

See Also:

Constant Field Values

RESERVED_CODE

protected static final byte RESERVED_CODE

See Also:

Constant Field Values

routerFlag

protected byte routerFlag

solicitedFlag

protected byte solicitedFlag

overrideFlag

protected byte overrideFlag

targetAddress

protected byte[] targetAddress

Constructor Detail

NeighborAdvertisement

public NeighborAdvertisement()

Method Detail

getRouterFlag

public byte getRouterFlag()

Gets router flag.

Returns:

the router flag

setRouterFlag

public NeighborAdvertisement setRouterFlag(byte routerFlag)

Sets router flag.

Parameters:

routerFlag - the router flag to set

Returns:

this

getSolicitedFlag

public byte getSolicitedFlag()

Gets solicited flag.

Returns:

the solicited flag

setSolicitedFlag

public NeighborAdvertisement setSolicitedFlag(byte solicitedFlag)

Sets solicited flag.

Parameters:

solicitedFlag - the solicited flag to set

Returns:

this

getOverrideFlag

public byte getOverrideFlag()

Gets override flag.

Returns:

the override flag

setOverrideFlag

public NeighborAdvertisement setOverrideFlag(byte overrideFlag)

Sets override flag.

Parameters:

overrideFlag - the override flag to set

Returns:

this

getTargetAddress

public byte[] getTargetAddress()

Gets target address.

Returns:

the target IPv6 address

setTargetAddress

public NeighborAdvertisement setTargetAddress(byte[] targetAddress)

Sets target address.

Parameters:

targetAddress - the target IPv6 address to set

Returns:

this

getOptions

public List<NeighborDiscoveryOptions.Option> getOptions()

Gets the Neighbor Discovery Protocol packet options.

Returns:

the Neighbor Discovery Protocol packet options

addOption

public NeighborAdvertisement addOption(byte type,
                                       byte[] data)

Adds a Neighbor Discovery Protocol packet option.

Parameters:

type - the option type

data - the option data

Returns:

this

serialize

public byte[] serialize()

Description copied from interface: IPacket

Sets all payloads parent packet if applicable, then serializes this packet and all payloads.

Returns:

a byte[] containing this packet and payloads

hashCode

public int hashCode()

Overrides:

hashCode in class BasePacket

equals

public boolean equals(Object obj)

Overrides:

equals in class BasePacket

deserializer

public static Deserializer<NeighborAdvertisement> deserializer()

Deserializer function for neighbor advertisement packets.

Returns:

deserializer function

toString

public String toString()

Overrides:

toString in class Object

buildNdpAdv

public static Ethernet buildNdpAdv(Ip6Address srcIp,
                                   MacAddress srcMac,
                                   Ethernet request)

Builds an NDP reply based on a request.

Parameters:

srcIp - the IP address to use as the reply source

srcMac - the MAC address to use as the reply source

request - the Neighbor Solicitation request we got

Returns:

an Ethernet frame containing the Neighbor Advertisement reply