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Merge pull request #359 from g-oikonomou/trickle-timer-stop

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Add a method to stop running trickle timers
This commit is contained in:
Nicolas Tsiftes 2013-09-30 05:47:23 -07:00
parent 2957d44ff8 060b00c4b5
commit 1698c439c5
2 changed files with 27 additions and 2 deletions
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4
core/lib/trickle-timer.c
View file

@ -276,7 +276,9 @@ fire(void *ptr)
loctt->cb(loctt->cb_arg, TRICKLE_TIMER_PROTO_TX_ALLOW(loctt)); loctt->cb(loctt->cb_arg, TRICKLE_TIMER_PROTO_TX_ALLOW(loctt));
} }
schedule_for_end(loctt); if(trickle_timer_is_running(loctt)) {
schedule_for_end(loctt);
}
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/* New trickle interval, either due to a newly set trickle timer or due to an /* New trickle interval, either due to a newly set trickle timer or due to an

25
core/lib/trickle-timer.h
View file

@ -111,6 +111,16 @@
*/ */
#define TRICKLE_TIMER_TX_SUPPRESS 0 #define TRICKLE_TIMER_TX_SUPPRESS 0
#define TRICKLE_TIMER_TX_OK 1 #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, * to reset a timer manually. Instead, in response to events or inconsistencies,
* the corresponding functions must be used * 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 = TRICKLE_TIMER_IS_STOPPED; \
} while(0)
/** /**
* \brief To be called by the protocol when it hears a consistent * \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) #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__ */ #endif /* __TRICKLE_TIMER_H__ */