org.onlab.packet.ipv6

Class Fragment

java.lang.Object

org.onlab.packet.BasePacket

org.onlab.packet.ipv6.Fragment

All Implemented Interfaces:

IPacket, IExtensionHeader

public class Fragment
extends BasePacket
implements IExtensionHeader

Implements IPv6 fragment extension header format. (RFC 2460)

Field Summary

Fields

Modifier and Type	Field and Description
protected short	fragmentOffset
static byte	HEADER_LENGTH
protected int	identification
protected byte	moreFragment
protected byte	nextHeader

Fields inherited from class org.onlab.packet.BasePacket

parent, payload

Constructor Summary

Constructors

Constructor and Description
Fragment()

Method Summary

Modifier and Type	Method and Description
IPacket	deserialize(byte[] data, int offset, int length) Deserializes this packet layer and all possible payloads.
boolean	equals(Object obj)
short	getFragmentOffset() Gets the fragment offset of this header.
int	getIdentification() Gets the identification of this header.
byte	getMoreFragment() Gets the more fragment flag of this header.
byte	getNextHeader() Gets the type of next header.
int	hashCode()
byte[]	serialize() Sets all payloads parent packet if applicable, then serializes this packet and all payloads.
Fragment	setFragmentOffset(short fragmentOffset) Sets the fragment offset of this header.
Fragment	setIdentification(int identification) Sets the identification of this header.
Fragment	setMoreFragment(byte moreFragment) Sets the more fragment flag of this header.
Fragment	setNextHeader(byte nextHeader) Sets the type of next header.

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, toString, wait, wait, wait

Field Detail

HEADER_LENGTH

public static final byte HEADER_LENGTH

See Also:

Constant Field Values

nextHeader

protected byte nextHeader

fragmentOffset

protected short fragmentOffset

moreFragment

protected byte moreFragment

identification

protected int identification

Constructor Detail

Fragment

public Fragment()

Method Detail

getNextHeader

public byte getNextHeader()

Description copied from interface: IExtensionHeader

Gets the type of next header.

Specified by:

getNextHeader in interface IExtensionHeader

Returns:

next header

setNextHeader

public Fragment setNextHeader(byte nextHeader)

Description copied from interface: IExtensionHeader

Sets the type of next header.

Specified by:

setNextHeader in interface IExtensionHeader

Parameters:

nextHeader - the next header to set

Returns:

this

getFragmentOffset

public short getFragmentOffset()

Gets the fragment offset of this header.

Returns:

fragment offset

setFragmentOffset

public Fragment setFragmentOffset(short fragmentOffset)

Sets the fragment offset of this header.

Parameters:

fragmentOffset - the fragment offset to set

Returns:

this

getMoreFragment

public byte getMoreFragment()

Gets the more fragment flag of this header.

Returns:

more fragment flag

setMoreFragment

public Fragment setMoreFragment(byte moreFragment)

Sets the more fragment flag of this header.

Parameters:

moreFragment - the more fragment flag to set

Returns:

this

getIdentification

public int getIdentification()

Gets the identification of this header.

Returns:

identification

setIdentification

public Fragment setIdentification(int identification)

Sets the identification of this header.

Parameters:

identification - the identification to set

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.

Specified by:

serialize in interface IPacket

Returns:

a byte[] containing this packet and payloads

deserialize

public IPacket deserialize(byte[] data,
                           int offset,
                           int length)

Description copied from interface: IPacket

Deserializes this packet layer and all possible payloads.

Specified by:

deserialize in interface IPacket

Parameters:

data - bytes to deserialize

offset - offset to start deserializing from

length - length of the data to deserialize

Returns:

the deserialized data

hashCode

public int hashCode()

Overrides:

hashCode in class BasePacket

equals

public boolean equals(Object obj)

Overrides:

equals in class BasePacket