jist.swans.mac
Class MacMessage.Ack

java.lang.Object
  jist.swans.mac.MacMessage
      jist.swans.mac.MacMessage.Ack

All Implemented Interfaces:

JistAPI.Timeless, Message

Enclosing class:

MacMessage

public static class MacMessage.Ack
extends MacMessage

An 802_11 Acknowlege packet.

Since:

SWANS1.0

Author:

Rimon Barr <barr+jist@cs.cornell.edu>

Nested Class Summary

Nested classes/interfaces inherited from class jist.swans.mac.MacMessage

MacMessage.Ack, MacMessage.Cts, MacMessage.Data, MacMessage.Rts

Field Summary

private MacAddress	dst packet destination address.
private int	duration packet transmission duration.
static int	SIZE ACK packet size.

Fields inherited from class jist.swans.mac.MacMessage

TYPE_ACK, TYPE_CTS, TYPE_DATA, TYPE_RTS

Fields inherited from interface jist.swans.misc.Message

NULL

Constructor Summary

MacMessage.Ack(MacAddress dst, int duration)
Create 802_11 ACK packet.

Method Summary

void	getBytes(byte[] msg, int offset) Store packet into byte array.
MacAddress	getDst() Return packet destination address.
int	getDuration() Return packet transmission duration.
int	getSize() Return packet size or Constants.ZERO_WIRE_SIZE.

Methods inherited from class jist.swans.mac.MacMessage

getRetry, getType

Methods inherited from class java.lang.Object

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

Field Detail

SIZE

public static final int SIZE

ACK packet size.

See Also:

Constant Field Values

dst

private MacAddress dst

packet destination address.

duration

private int duration

packet transmission duration.

Constructor Detail

MacMessage.Ack

public MacMessage.Ack(MacAddress dst,
                      int duration)

Create 802_11 ACK packet.

Parameters:

dst - packet destination address

duration - packet transmission duration

Method Detail

getDst

public MacAddress getDst()

Return packet destination address.

Specified by:

getDst in class MacMessage

Returns:

packet destination address

getDuration

public int getDuration()

Return packet transmission duration.

Specified by:

getDuration in class MacMessage

Returns:

packet transmission duration

getSize

public int getSize()

Return packet size or Constants.ZERO_WIRE_SIZE.

Returns:

packet size

getBytes

public void getBytes(byte[] msg,
                     int offset)

Store packet into byte array.

Parameters:

msg - destination byte array

offset - byte array starting offset