atropos.lp
Class AvnmpPacket

java.lang.Object
  |
  +--magician.Node.KUSmartPacketV2
        |
        +--atropos.lp.AvnmpBase
              |
              +--atropos.lp.AvnmpBW
                    |
                    +--atropos.lp.AvnmpPacket

All Implemented Interfaces:

java.lang.Runnable, java.io.Serializable

public class AvnmpPacket

extends AvnmpBW

implements java.io.Serializable

I am a virtual message. Compare the actual and predicted values of the application being monitored for out-of-tolerance rollback. This research is funded by DARPA/ITO Contract Number: F30602-98-C-0230 supported by the Air Force Research Laboratory/IF.

Version:

$Revision: 1.1.1.1 $ $State: Exp $

Author:

Steve Bush

See Also:

Serialized Form

Field Summary

byte	anti Anti-Message Toggle
static byte	antiMessage Indentifies this as an anti message.
java.lang.String	Dst Destination Node
java.lang.Object	payload Payload The Payload object is expected to include a method to check the prediction accuracy.
static byte	realMessage Indentifies this as a real message.
long	rec_tm Receive Time
long	snd_tm Send Time
java.lang.String	Src Source Node
static byte	virtualMessage Indentifies this as a virtual message.

Fields inherited from class atropos.lp.AvnmpBW

context

Fields inherited from class magician.Node.KUSmartPacketV2

CPU_Requirements, Destination_Address, halted, IO_BW_Requirements, Memory_Requirements, NextHop, PacketID, Source_Address, thisNode, TypeID

Constructor Summary

AvnmpPacket()
Create an empty packet

AvnmpPacket(AvnmpLP mylp)
Create a dummy packet.

AvnmpPacket(AvnmpPacket p)
Create a new packet based on an input packet.

AvnmpPacket(byte a, java.lang.String Source, long rt, long st, AvnmpLP mylp)
Create a packet based on all parameters specified.

AvnmpPacket(byte a, java.lang.String Source, long rt, java.lang.String Destination, long st, java.lang.Object pl)
Create a packet based on all parameters specified in detail.

Method Summary

int	compareTo(java.lang.Object o)
boolean	compPred() This is a stub which allows base performance to be tested without rollback or state checking overhead.
boolean	compPred(java.lang.String oid, AvnmpState st, AvnmpPacket sqp, AvnmpLP mylp) Compute the prediction accuracy of AVNMP based on either state or the packet in the send queue cached closest to the current time.
boolean	equals(java.lang.Object obj)
boolean	isAnti() Check if packet is an anti-message.
boolean	isAnti(AvnmpPacket ap) Determine whether the input packet is an anti-message of this message.
boolean	isEqual(AvnmpPacket ap) Check if packets are equal.
boolean	isGvtReportInput() Check if packet is a Gvt calculation report packet.
boolean	isGvtUpdateRequest() Check if packet is a Gvt start calculation packet.
boolean	isGvtUpdateResponse() Check if packet is a Gvt response calculation packet.
boolean	isReal() Determine whether this message is real.
boolean	isVirtual() Determine whether this message is real or virtual.
boolean	isVirtual(AvnmpLP mylp, AvnmpTime st) Determine whether this message is real or virtual.
java.lang.String	toString() Display the packet in human readable format.

Methods inherited from class atropos.lp.AvnmpBW

exec, queueSize, recvRate, xmitRate

Methods inherited from class magician.Node.KUSmartPacketV2

AcquireSmallState, build, CreateSmallState, describeComponents, DestroySmallState, GetCanonicalAddress, getExecTime, GetLinkLayerAddress, GetNetName, GetNextHop, GetNodeName, GetNumberOfHops, GetService, GetSmallState, GetSmallState, getSourceAddress, getTypeId, halt, pathNotFound, run, SendForProcessing, SendSmartPacket, SendSmartPacket, SetSmallState, sleep, stop, yield

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

anti

public byte anti

Anti-Message Toggle

Src

public java.lang.String Src

Source Node

rec_tm

public long rec_tm

Receive Time

Dst

public java.lang.String Dst

Destination Node

snd_tm

public long snd_tm

Send Time

payload

public java.lang.Object payload

Payload The Payload object is expected to include a method to check the prediction accuracy. For now, the check is included as a method in this object.

antiMessage

public static final byte antiMessage

Indentifies this as an anti message.

realMessage

public static final byte realMessage

Indentifies this as a real message.

virtualMessage

public static final byte virtualMessage

Indentifies this as a virtual message.

Constructor Detail

AvnmpPacket

public AvnmpPacket()

Create an empty packet

AvnmpPacket

public AvnmpPacket(AvnmpPacket p)

Create a new packet based on an input packet.

Parameters:

p - Packet to duplicate.

AvnmpPacket

public AvnmpPacket(AvnmpLP mylp)

Create a dummy packet. The payload is set to carry the current transmit rate.

AvnmpPacket

public AvnmpPacket(byte a,
                   java.lang.String Source,
                   long rt,
                   java.lang.String Destination,
                   long st,
                   java.lang.Object pl)

Create a packet based on all parameters specified in detail.

Parameters:

a - Anti-toggle

Source - The packet source node

rt - The packet receive time

Destination - The packet destination node

st - The packet send time

pl - The packet payload.

AvnmpPacket

public AvnmpPacket(byte a,
                   java.lang.String Source,
                   long rt,
                   long st,
                   AvnmpLP mylp)

Create a packet based on all parameters specified. The payload is set the current transmit rate.

Parameters:

a - Anti-toggle

Source - The packet source node

rt - The packet receive time

Destination - The packet destination node

st - The packet send time

Method Detail

compPred

public boolean compPred()
                 throws ToleranceException

This is a stub which allows base performance to be tested without rollback or state checking overhead.

compPred

public boolean compPred(java.lang.String oid,
                        AvnmpState st,
                        AvnmpPacket sqp,
                        AvnmpLP mylp)
                 throws ToleranceException

Compute the prediction accuracy of AVNMP based on either state or the packet in the send queue cached closest to the current time.

Parameters:

oid - The object identifier of the actual application value.

st - The closest cached state. Can be null if no state available.

sqp - The closest cached send queue packet. Can be null if no packet available.

mylp - This logical process.

toString

public java.lang.String toString()

Display the packet in human readable format.

Overrides:

toString in class java.lang.Object

Returns:

The contents of the packet.

isVirtual

public boolean isVirtual()

Determine whether this message is real or virtual.

Returns:

true if the message is virtual, false if the message is real.

isReal

public boolean isReal()

Determine whether this message is real.

Returns:

true if the message is real, false if the message is virtual.

isVirtual

public boolean isVirtual(AvnmpLP mylp,
                         AvnmpTime st)

Determine whether this message is real or virtual.

Returns:

true if the message is virtual, false if the message is real.

isAnti

public boolean isAnti(AvnmpPacket ap)

Determine whether the input packet is an anti-message of this message.

Parameters:

ap - A packet containing a possible anti-message of the current message.

Returns:

true if the input packet is an anti-message of this packet.

isEqual

public boolean isEqual(AvnmpPacket ap)

Check if packets are equal. Equality does not include the anti-message toggle or the packet contents.

Parameters:

ap - The packet which is checked for equality with this packet.

Returns:

true if this packet and the input packet are equal, false otherwise.

isGvtUpdateRequest

public boolean isGvtUpdateRequest()

Check if packet is a Gvt start calculation packet.

Returns:

true if this packet is a GVT calculation start packet, false otherwise.

isGvtUpdateResponse

public boolean isGvtUpdateResponse()

Check if packet is a Gvt response calculation packet.

Returns:

true if this packet is a GVT calculation response packet, false otherwise.

isGvtReportInput

public boolean isGvtReportInput()

Check if packet is a Gvt calculation report packet.

Returns:

true if this packet is a GVT calculation report packet, false otherwise.

isAnti

public boolean isAnti()

Check if packet is an anti-message.

Returns:

true if this packet is an anti-message. false otherwise.

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

compareTo

public int compareTo(java.lang.Object o)