98   void UpdateBackoffSlotsNow (uint32_t nSlots, Time backoffUpdateBound);

    98   void UpdateBackoffSlotsNow (uint32_t nSlots, Time backoffUpdateBound);

    99   void NotifyAccessRequested (void);

    99   void NotifyAccessRequested (void);

   100   void NotifyAccessGranted (void);

   100   void NotifyAccessGranted (void);

   101   void NotifyCollision (void);

   101   void NotifyCollision (void);

   102   void NotifyInternalCollision (void);

   102   void NotifyInternalCollision (void);

   103 

   104 

   104 

   105 

   105   /**

   106   /**

   106    * Called by DcfManager to notify a DcfState subclass

   107    * Called by DcfManager to notify a DcfState subclass

   107    * that access to the medium is granted and can

   108    * that access to the medium is granted and can

   128    * The subclass is expected to start a new backoff by

   129    * The subclass is expected to start a new backoff by

   129    * calling DcfState::StartBackoffNow and DcfManager::RequestAccess

   130    * calling DcfState::StartBackoffNow and DcfManager::RequestAccess

   130    * is access is still needed.

   131    * is access is still needed.

   131    */

   132    */

   132   virtual void DoNotifyCollision (void) = 0;

   133   virtual void DoNotifyCollision (void) = 0;

   133 

   142 

   134   uint32_t m_aifsn;

   143   uint32_t m_aifsn;

   135   uint32_t m_backoffSlots;

   144   uint32_t m_backoffSlots;

   136   // the backoffStart variable is used to keep track of the

   145   // the backoffStart variable is used to keep track of the

   137   // time at which a backoff was started or the time at which

   146   // time at which a backoff was started or the time at which

   246    *

   255    *

   247    * Notify the DCF that a CCA busy period has just started.

   256    * Notify the DCF that a CCA busy period has just started.

   248    */

   257    */

   249   void NotifyMaybeCcaBusyStartNow (Time duration);

   258   void NotifyMaybeCcaBusyStartNow (Time duration);

   250   /**

   259   /**

   251    * \param duration the value of the received NAV.

   266    * \param duration the value of the received NAV.

   252    *

   267    *

   253    * Called at end of rx

   268    * Called at end of rx

   254    */

   269    */

   255   void NotifyNavResetNow (Time duration);

   270   void NotifyNavResetNow (Time duration);

   267   void UpdateBackoff (void);

   282   void UpdateBackoff (void);

   268   Time MostRecent (Time a, Time b) const;

   283   Time MostRecent (Time a, Time b) const;

   269   Time MostRecent (Time a, Time b, Time c) const;

   284   Time MostRecent (Time a, Time b, Time c) const;

   270   Time MostRecent (Time a, Time b, Time c, Time d) const;

   285   Time MostRecent (Time a, Time b, Time c, Time d) const;

   271   Time MostRecent (Time a, Time b, Time c, Time d, Time e, Time f) const;

   286   Time MostRecent (Time a, Time b, Time c, Time d, Time e, Time f) const;

   272   /**

   288   /**

   273    * Access will never be granted to the medium _before_

   289    * Access will never be granted to the medium _before_

   274    * the time returned by this method.

   290    * the time returned by this method.

   275    * 

   291    * 

   276    * \returns the absolute time at which access could start to 

   292    * \returns the absolute time at which access could start to 

   297   Time m_lastRxEnd;

   313   Time m_lastRxEnd;

   298   Time m_lastTxStart;

   314   Time m_lastTxStart;

   299   Time m_lastTxDuration;

   315   Time m_lastTxDuration;

   300   Time m_lastBusyStart;

   316   Time m_lastBusyStart;

   301   Time m_lastBusyDuration;

   317   Time m_lastBusyDuration;

   302   bool m_rxing;

   320   bool m_rxing;

   303   bool m_sleeping;

   321   bool m_sleeping;

   304   Time m_eifsNoDifs;

   322   Time m_eifsNoDifs;

   305   EventId m_accessTimeout;

   323   EventId m_accessTimeout;

   306   Time m_slotTime;

   324   Time m_slotTime;