sime

Class Packet

java.lang.Object

sime.Packet

All Implemented Interfaces:

java.lang.Cloneable

Direct Known Subclasses:

Segment

public class Packet
extends java.lang.Object
implements java.lang.Cloneable

Data packet class.

Author:

Ivan Marsic

Field Summary

Fields

Modifier and Type	Field and Description
byte[]	dataPayload The data payload carried in this packet, if any.
NetworkElement	destinationAddr Destination address, to which this packet is sent.
protected java.lang.String	identifier Packet identifier for reporting/debugging purposes.
boolean	inError Indicates whether this packet is corrupted by an error.
int	length Packet length [in bytes].

Constructor Summary

Constructors

Constructor and Description
Packet(NetworkElement destinationAddr_, byte[] dataPayload_) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	clone() Makes a clone object of this data packet. This method is part of the java.lang.Cloneable interface.
java.lang.String	toString() Prints out some basic information about this TCP segment.

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

dataPayload

public byte[] dataPayload

The data payload carried in this packet, if any.

destinationAddr

public NetworkElement destinationAddr

Destination address, to which this packet is sent.

identifier

protected java.lang.String identifier

Packet identifier for reporting/debugging purposes.

inError

public boolean inError

Indicates whether this packet is corrupted by an error. This is invented in lieu of building a full-fledged error-checking mechanism. If a router or channel wants to damage this packet, it just sets the flag to true.

length

public int length

Packet length [in bytes].

Constructor Detail

Packet

public Packet(NetworkElement destinationAddr_,
      byte[] dataPayload_)

Constructor.

Parameters:

destinationAddr_ - the destination address to which this packet is sent

dataPayload_ - the data payload to be carried by this packet, if any

Method Detail

clone

public java.lang.Object clone()

Makes a clone object of this data packet.
This method is part of the java.lang.Cloneable interface.

Overrides:

clone in class java.lang.Object

toString

public java.lang.String toString()

Prints out some basic information about this TCP segment. It is used mostly for reporting purposes.
This method is part of the java.lang.Object interface.

Overrides:

toString in class java.lang.Object