avrora.sim.radio.freespace
Class LocalAirImpl

java.lang.Object
  avrora.sim.radio.freespace.LocalAirImpl

All Implemented Interfaces:

LocalAir

public class LocalAirImpl

extends java.lang.Object

implements LocalAir

Implementation of Local Air

Nested Class Summary

protected class

LocalAirImpl.Deliver handles the final delivery to the radio

Nested classes inherited from class avrora.sim.radio.freespace.LocalAir

LocalAir.PowerRadioPacket

Field Summary

Fields inherited from interface avrora.sim.radio.freespace.LocalAir

bytePeriod, sampleTime

Constructor Summary

LocalAirImpl(Radio r, Position pos)
new local air

Method Summary

void	addNeighbor(LocalAir r) add neighbor
void	addPacket(Radio.RadioPacket p, double pow, Radio sender) receive a packet
protected long	computeNextDelivery(long globalTime) find the right packet to deliver
java.util.Iterator	getNeighbors() tell me, who is around
Position	getPosition() get node position
Radio	getRadio()
void	removeNeighbor(LocalAir r) remove a node
int	sampleRSSI(long cycles) compute signal strength bases on @see avrora.sim.radio.SimpleAir#sampleRSSI(long) by Daniel Lee
void	scheduleDelivery(long globalTime, Simulator sim) schedule a packet for delivery

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalAirImpl

public LocalAirImpl(Radio r,
                    Position pos)

new local air

Parameters:

r - radio

pos - position

Method Detail

getPosition

public Position getPosition()

get node position

Specified by:

getPosition in interface LocalAir

Returns:

node position

See Also:

LocalAir.getPosition()

getRadio

public Radio getRadio()

Specified by:

getRadio in interface LocalAir

addNeighbor

public void addNeighbor(LocalAir r)

add neighbor

Specified by:

addNeighbor in interface LocalAir

Parameters:

r - node radio

See Also:

LocalAir.addNeighbor(avrora.sim.radio.freespace.LocalAir)

removeNeighbor

public void removeNeighbor(LocalAir r)

remove a node

Specified by:

removeNeighbor in interface LocalAir

Parameters:

r - node radio

See Also:

LocalAir.removeNeighbor(avrora.sim.radio.freespace.LocalAir)

getNeighbors

public java.util.Iterator getNeighbors()

tell me, who is around

Specified by:

getNeighbors in interface LocalAir

Returns:

node list iterator

See Also:

LocalAir.getNeighbors()

addPacket

public void addPacket(Radio.RadioPacket p,
                      double pow,
                      Radio sender)

receive a packet

Specified by:

addPacket in interface LocalAir

Parameters:

p - packet

pow - transission power

See Also:

LocalAir.addPacket(avrora.sim.radio.Radio.RadioPacket, double, avrora.sim.radio.Radio)

sampleRSSI

public int sampleRSSI(long cycles)

compute signal strength bases on @see avrora.sim.radio.SimpleAir#sampleRSSI(long) by Daniel Lee

Specified by:

sampleRSSI in interface LocalAir

Parameters:

cycles - time

Returns:

signal strength

See Also:

LocalAir.sampleRSSI(long)

scheduleDelivery

public void scheduleDelivery(long globalTime,
                             Simulator sim)

schedule a packet for delivery

Specified by:

scheduleDelivery in interface LocalAir

Parameters:

globalTime - delivery time

sim - the simulator

See Also:

LocalAir.scheduleDelivery(long, avrora.sim.Simulator)

computeNextDelivery

protected long computeNextDelivery(long globalTime)

find the right packet to deliver

Parameters:

globalTime - current time

Returns:

time to deliver