org.onlab.packet

Class UDP

java.lang.Object

org.onlab.packet.BasePacket

org.onlab.packet.UDP

All Implemented Interfaces:

IPacket

public class UDP
extends BasePacket

Representation of a UDP packet.

Field Summary

Fields

Modifier and Type	Field and Description
protected short	checksum
protected int	destinationPort
static int	DHCP_CLIENT_PORT
static int	DHCP_SERVER_PORT
static int	DHCP_V6_CLIENT_PORT
static int	DHCP_V6_SERVER_PORT
protected short	length
static Map<Integer,Deserializer<? extends IPacket>>	PORT_DESERIALIZER_MAP
static int	RIP_PORT
static int	RIPNG_PORT
protected int	sourcePort
static int	VXLAN_UDP_PORT

Fields inherited from class org.onlab.packet.BasePacket

parent, payload

Constructor Summary

Constructors

Constructor and Description
UDP()

Method Summary

Modifier and Type	Method and Description
static Deserializer<UDP>	deserializer() Deserializer function for UDP packets.
boolean	equals(Object obj)
short	getChecksum()
int	getDestinationPort()
short	getLength()
int	getSourcePort()
int	hashCode()
void	resetChecksum() Reset any checksum as needed, and call resetChecksum on all parents.
byte[]	serialize() Serializes the packet.
UDP	setChecksum(short checksum)
UDP	setDestinationPort(int destinationPort)
UDP	setSourcePort(int sourcePort)
String	toString()

Methods inherited from class org.onlab.packet.BasePacket

clone, getParent, getPayload, setParent, setPayload

Methods inherited from class java.lang.Object

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

Field Detail

PORT_DESERIALIZER_MAP

public static final Map<Integer,Deserializer<? extends IPacket>> PORT_DESERIALIZER_MAP

DHCP_SERVER_PORT

public static final int DHCP_SERVER_PORT

See Also:

Constant Field Values

DHCP_CLIENT_PORT

public static final int DHCP_CLIENT_PORT

See Also:

Constant Field Values

DHCP_V6_SERVER_PORT

public static final int DHCP_V6_SERVER_PORT

See Also:

Constant Field Values

DHCP_V6_CLIENT_PORT

public static final int DHCP_V6_CLIENT_PORT

See Also:

Constant Field Values

VXLAN_UDP_PORT

public static final int VXLAN_UDP_PORT

See Also:

Constant Field Values

RIP_PORT

public static final int RIP_PORT

See Also:

Constant Field Values

RIPNG_PORT

public static final int RIPNG_PORT

See Also:

Constant Field Values

sourcePort

protected int sourcePort

destinationPort

protected int destinationPort

length

protected short length

checksum

protected short checksum

Constructor Detail

UDP

public UDP()

Method Detail

getSourcePort

public int getSourcePort()

Returns:

the sourcePort

setSourcePort

public UDP setSourcePort(int sourcePort)

Parameters:

sourcePort - the sourcePort to set (16 bits unsigned integer)

Returns:

this

getDestinationPort

public int getDestinationPort()

Returns:

the destinationPort

setDestinationPort

public UDP setDestinationPort(int destinationPort)

Parameters:

destinationPort - the destinationPort to set (16 bits unsigned integer)

Returns:

this

getLength

public short getLength()

Returns:

the length

getChecksum

public short getChecksum()

Returns:

the checksum

setChecksum

public UDP setChecksum(short checksum)

Parameters:

checksum - the checksum to set

Returns:

this

resetChecksum

public void resetChecksum()

Description copied from interface: IPacket

Reset any checksum as needed, and call resetChecksum on all parents.

Specified by:

resetChecksum in interface IPacket

Overrides:

resetChecksum in class BasePacket

serialize

public byte[] serialize()

Serializes the packet. Will compute and set the following fields if they are set to specific values at the time serialize is called: -checksum : 0 -length : 0

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<UDP> deserializer()

Deserializer function for UDP packets.

Returns:

deserializer function

toString

public String toString()

Overrides:

toString in class Object