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Add a way to determine whether a trickle timer is running

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This commit is contained in:
George Oikonomou 2013-08-28 13:22:35 +01:00
parent 50395666fc
commit fa7219d0b8
1 changed files with 24 additions and 1 deletions
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25
core/lib/trickle-timer.h
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@ -111,6 +111,16 @@
*/
#define TRICKLE_TIMER_TX_SUPPRESS 0
#define TRICKLE_TIMER_TX_OK 1
/**
* \brief A trickle timer is considered 'stopped' when
* i_cur == TRICKLE_TIMER_IS_STOPPED.
*
* trickle_timer_stop() must be used to correctly disable a trickle timer.
* Do NOT set the value of i_cur to 0 directly, as this will fail to stop the
* timer.
*/
#define TRICKLE_TIMER_IS_STOPPED 0
/** @} */
/*---------------------------------------------------------------------------*/
/**
@ -437,7 +447,10 @@ uint8_t trickle_timer_set(struct trickle_timer *tt,
* to reset a timer manually. Instead, in response to events or inconsistencies,
* the corresponding functions must be used
*/
#define trickle_timer_stop(tt) ctimer_stop(&((tt)->ct))
#define trickle_timer_stop(tt) do { \
ctimer_stop(&((tt)->ct)); \
(tt)->i_cur = 0; \
} while(0)
/**
* \brief To be called by the protocol when it hears a consistent
@ -484,6 +497,16 @@ void trickle_timer_inconsistency(struct trickle_timer *tt);
*/
#define trickle_timer_reset_event(tt) trickle_timer_inconsistency(tt)
/**
* \brief To be called in order to determine whether a trickle timer is
* running
* \param tt A pointer to a ::trickle_timer structure
* \retval 0 The timer is stopped
* \retval non-zero The timer is running
*
*/
#define trickle_timer_is_running(tt) ((tt)->i_cur != TRICKLE_TIMER_IS_STOPPED)
/** @} */
#endif /* __TRICKLE_TIMER_H__ */