net.floodlightcontroller.packet
Class ARP

java.lang.Object
  net.floodlightcontroller.packet.BasePacket
      net.floodlightcontroller.packet.ARP

All Implemented Interfaces:

IPacket

public class ARP
extends BasePacket

Author:

David Erickson (daviderickson@cs.stanford.edu)

Field Summary

protected byte	hardwareAddressLength
protected short	hardwareType
static short	HW_TYPE_ETHERNET
static short	OP_RARP_REPLY
static short	OP_RARP_REQUEST
static short	OP_REPLY
static short	OP_REQUEST
protected short	opCode
static short	PROTO_TYPE_IP
protected byte	protocolAddressLength
protected short	protocolType
protected byte[]	senderHardwareAddress
protected byte[]	senderProtocolAddress
protected byte[]	targetHardwareAddress
protected byte[]	targetProtocolAddress

Fields inherited from class net.floodlightcontroller.packet.BasePacket

log, parent, payload

Constructor Summary

ARP()

Method Summary

IPacket	deserialize(byte[] data, int offset, int length) Deserializes this packet layer and all possible payloads
boolean	equals(java.lang.Object obj)
byte	getHardwareAddressLength()
short	getHardwareType()
short	getOpCode()
byte	getProtocolAddressLength()
short	getProtocolType()
byte[]	getSenderHardwareAddress()
byte[]	getSenderProtocolAddress()
byte[]	getTargetHardwareAddress()
byte[]	getTargetProtocolAddress()
int	hashCode()
boolean	isGratuitous()
byte[]	serialize() Sets all payloads parent packet if applicable, then serializes this packet and all payloads
ARP	setHardwareAddressLength(byte hardwareAddressLength)
ARP	setHardwareType(short hardwareType)
ARP	setOpCode(short opCode)
ARP	setProtocolAddressLength(byte protocolAddressLength)
ARP	setProtocolType(short protocolType)
ARP	setSenderHardwareAddress(byte[] senderHardwareAddress)
ARP	setSenderProtocolAddress(byte[] senderProtocolAddress)
ARP	setSenderProtocolAddress(int address)
ARP	setTargetHardwareAddress(byte[] targetHardwareAddress)
ARP	setTargetProtocolAddress(byte[] targetProtocolAddress)
ARP	setTargetProtocolAddress(int address)
java.lang.String	toString()

Methods inherited from class net.floodlightcontroller.packet.BasePacket

clone, getParent, getPayload, resetChecksum, setParent, setPayload

Methods inherited from class java.lang.Object

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

Field Detail

HW_TYPE_ETHERNET

public static short HW_TYPE_ETHERNET

PROTO_TYPE_IP

public static short PROTO_TYPE_IP

OP_REQUEST

public static short OP_REQUEST

OP_REPLY

public static short OP_REPLY

OP_RARP_REQUEST

public static short OP_RARP_REQUEST

OP_RARP_REPLY

public static short OP_RARP_REPLY

hardwareType

protected short hardwareType

protocolType

protected short protocolType

hardwareAddressLength

protected byte hardwareAddressLength

protocolAddressLength

protected byte protocolAddressLength

opCode

protected short opCode

senderHardwareAddress

protected byte[] senderHardwareAddress

senderProtocolAddress

protected byte[] senderProtocolAddress

targetHardwareAddress

protected byte[] targetHardwareAddress

targetProtocolAddress

protected byte[] targetProtocolAddress

Constructor Detail

ARP

public ARP()

Method Detail

getHardwareType

public short getHardwareType()

Returns:

the hardwareType

setHardwareType

public ARP setHardwareType(short hardwareType)

Parameters:

hardwareType - the hardwareType to set

getProtocolType

public short getProtocolType()

Returns:

the protocolType

setProtocolType

public ARP setProtocolType(short protocolType)

Parameters:

protocolType - the protocolType to set

getHardwareAddressLength

public byte getHardwareAddressLength()

Returns:

the hardwareAddressLength

setHardwareAddressLength

public ARP setHardwareAddressLength(byte hardwareAddressLength)

Parameters:

hardwareAddressLength - the hardwareAddressLength to set

getProtocolAddressLength

public byte getProtocolAddressLength()

Returns:

the protocolAddressLength

setProtocolAddressLength

public ARP setProtocolAddressLength(byte protocolAddressLength)

Parameters:

protocolAddressLength - the protocolAddressLength to set

getOpCode

public short getOpCode()

Returns:

the opCode

setOpCode

public ARP setOpCode(short opCode)

Parameters:

opCode - the opCode to set

getSenderHardwareAddress

public byte[] getSenderHardwareAddress()

Returns:

the senderHardwareAddress

setSenderHardwareAddress

public ARP setSenderHardwareAddress(byte[] senderHardwareAddress)

Parameters:

senderHardwareAddress - the senderHardwareAddress to set

getSenderProtocolAddress

public byte[] getSenderProtocolAddress()

Returns:

the senderProtocolAddress

setSenderProtocolAddress

public ARP setSenderProtocolAddress(byte[] senderProtocolAddress)

Parameters:

senderProtocolAddress - the senderProtocolAddress to set

setSenderProtocolAddress

public ARP setSenderProtocolAddress(int address)

getTargetHardwareAddress

public byte[] getTargetHardwareAddress()

Returns:

the targetHardwareAddress

setTargetHardwareAddress

public ARP setTargetHardwareAddress(byte[] targetHardwareAddress)

Parameters:

targetHardwareAddress - the targetHardwareAddress to set

getTargetProtocolAddress

public byte[] getTargetProtocolAddress()

Returns:

the targetProtocolAddress

isGratuitous

public boolean isGratuitous()

Returns:

True if gratuitous ARP (SPA = TPA), false otherwise

setTargetProtocolAddress

public ARP setTargetProtocolAddress(byte[] targetProtocolAddress)

Parameters:

targetProtocolAddress - the targetProtocolAddress to set

setTargetProtocolAddress

public ARP setTargetProtocolAddress(int address)

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

deserialize

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

Description copied from interface: IPacket

Deserializes this packet layer and all possible payloads

offset - offset to start deserializing from

length - length of the data to deserialize

Returns:

the deserialized data

Throws:

PacketParsingException

hashCode

public int hashCode()

Overrides:

hashCode in class BasePacket

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class BasePacket

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object