org.onlab.packet

Class IGMPQuery

java.lang.Object

org.onlab.packet.IGMPGroup

org.onlab.packet.IGMPQuery

public class IGMPQuery
extends IGMPGroup

Field Summary

Fields inherited from class org.onlab.packet.IGMPGroup

auxInfo, gaddr, sources

Constructor Summary

Constructors

Constructor and Description
IGMPQuery() Create IGMP Query message.
IGMPQuery(IpAddress gaddr, int auxInfo) Create IGMP Query message.

Method Summary

Modifier and Type	Method and Description
IGMPGroup	deserialize(ByteBuffer bb) Deserialize the IGMP Query group structure.
boolean	equals(Object obj)
byte	getQrv() Get the Querier Robustness Variable.
byte	getResv() Get the reserved field.
int	hashCode()
boolean	isSbit() Is the S flag set? Telling adjacent routers to suppress normal timer updates.
byte[]	serialize(ByteBuffer bb) Serialize this IGMPQuery.
void	setQrv(byte qrv) Set the Querier Robustness Variable.
void	setResv(byte resv) Set the reserved field.
void	setSbit(boolean sbit) Set the S flag.

Methods inherited from class org.onlab.packet.IGMPGroup

addSource, getAuxInfo, getGaddr, getSources

Methods inherited from class java.lang.Object

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

Constructor Detail

IGMPQuery

public IGMPQuery(IpAddress gaddr,
                 int auxInfo)

Create IGMP Query message.

Parameters:

gaddr - initiaze with a group address.

auxInfo - auxillary info.

IGMPQuery

public IGMPQuery()

Create IGMP Query message.

Method Detail

isSbit

public boolean isSbit()

Is the S flag set? Telling adjacent routers to suppress normal timer updates.

Returns:

true if the flag is set, false otherwise

setSbit

public void setSbit(boolean sbit)

Set the S flag. Default is false.

Parameters:

sbit - true or false

getQrv

public byte getQrv()

Get the Querier Robustness Variable.

Returns:

querier robustness value

setQrv

public void setQrv(byte qrv)

Set the Querier Robustness Variable. Default is 2.

Parameters:

qrv - new querier robustness value

getResv

public byte getResv()

Get the reserved field. Should be zero, but ignored regardless of it's value.

Returns:

the reserved field.

setResv

public void setResv(byte resv)

Set the reserved field. Should be 0 and ignored by receivers.

Parameters:

resv - the reserved field.

serialize

public byte[] serialize(ByteBuffer bb)

Serialize this IGMPQuery.

Specified by:

serialize in class IGMPGroup

Parameters:

bb - the ByteBuffer to write into, positioned at the next spot to be written to.

Returns:

the serialized message

deserialize

public IGMPGroup deserialize(ByteBuffer bb)
                      throws DeserializationException

Deserialize the IGMP Query group structure.

Specified by:

deserialize in class IGMPGroup

Parameters:

bb - ByteBuffer pointing at the IGMP Query group address

Returns:

the IGMP Group object

Throws:

DeserializationException - in case deserialization goes wrong

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object