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Bugfix: when a node's rtmetric was lower than SIGNIFICANT_RTMETRIC_PARENT_CHANGE, its beacon timers would always be bumped to its lowest value

This commit is contained in:
adamdunkels 2010-10-05 20:06:47 +00:00
parent 52e9a6f1fb
commit ad35c54473
1 changed files with 5 additions and 3 deletions
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8
core/net/rime/collect.c
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@ -33,7 +33,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* $Id: collect.c,v 1.57 2010/10/04 22:36:47 adamdunkels Exp $ * $Id: collect.c,v 1.58 2010/10/05 20:06:47 adamdunkels Exp $
*/ */
/** /**
@ -401,8 +401,10 @@ update_rtmetric(struct collect_conn *tc)
/* If we now have a significantly better or worse rtmetric than /* If we now have a significantly better or worse rtmetric than
we had before, what we need to make sure that our neighbors we had before, what we need to make sure that our neighbors
find out about this quickly. */ find out about this quickly. */
if(new_rtmetric < old_rtmetric - SIGNIFICANT_RTMETRIC_PARENT_CHANGE || if((new_rtmetric < old_rtmetric - SIGNIFICANT_RTMETRIC_PARENT_CHANGE ||
new_rtmetric > old_rtmetric + SIGNIFICANT_RTMETRIC_PARENT_CHANGE) { new_rtmetric > old_rtmetric + SIGNIFICANT_RTMETRIC_PARENT_CHANGE) &&
(new_rtmetric > SIGNIFICANT_RTMETRIC_PARENT_CHANGE ||
old_rtmetric > SIGNIFICANT_RTMETRIC_PARENT_CHANGE)) {
PRINTF("update_rtmetric: new_rtmetric %d + %d < old_rtmetric %d\n", PRINTF("update_rtmetric: new_rtmetric %d + %d < old_rtmetric %d\n",
new_rtmetric, SIGNIFICANT_RTMETRIC_PARENT_CHANGE, old_rtmetric); new_rtmetric, SIGNIFICANT_RTMETRIC_PARENT_CHANGE, old_rtmetric);
bump_advertisement(tc); bump_advertisement(tc);