drcl.inet.mac
Class BackoffTimer

java.lang.Object
  drcl.inet.mac.Mac_802_11_Timer
      drcl.inet.mac.BackoffTimer

public class BackoffTimer

extends Mac_802_11_Timer

This class simulates the backoff timer in IEEE 802.11 protocol. This class is ported from ns-2.1b7a

Author:

Ye Ge

See Also:

Mac_802_11, Mac_802_11_Timer

Constructor Summary

BackoffTimer(Mac_802_11 h, double s)

Method Summary

void	handle() Handles the timeout event.
void	pause() Pauses the backoff timer.
void	resume(double difs) Resumes backoff timer after difs time.
void	setSeed(long seed) Sets the random number generator seed
void	start(int cw, boolean idle) Starts the backoff timer.

Methods inherited from class drcl.inet.mac.Mac_802_11_Timer

busy, expire, paused, resume, start, start, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

BackoffTimer

public BackoffTimer(Mac_802_11 h,
                    double s)

Method Detail

handle

public void handle()

Handles the timeout event. Called in Mac_802_11.java when this timer times out.

Overrides:

handle in class Mac_802_11_Timer

start

public void start(int cw,
                  boolean idle)

Starts the backoff timer.

pause

public void pause()

Pauses the backoff timer.

Overrides:

pause in class Mac_802_11_Timer

resume

public void resume(double difs)

Resumes backoff timer after difs time.

setSeed

public void setSeed(long seed)

Sets the random number generator seed