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Removed automatic refresh of routes from the route_lookup() function and moved it into an explicit route_refresh() function. The previous behaviour was dangerous, since it meant that even bad routes that someone was looking for were considered fresh. Now such routes time out if they are not explictily refreshed (e.g., on a packet reception)

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This commit is contained in:
adamdunkels 2009-05-04 11:23:30 +00:00
parent f5a57a4e54
commit c83c5c4c55
2 changed files with 13 additions and 5 deletions
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15
core/net/rime/route.c
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@ -33,7 +33,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: route.c,v 1.13 2009/03/23 16:22:02 adamdunkels Exp $
* $Id: route.c,v 1.14 2009/05/04 11:23:30 adamdunkels Exp $
*/
/**
@ -135,9 +135,6 @@ route_lookup(const rimeaddr_t *dest)
uip_ipaddr_to_quad(dest), uip_ipaddr_to_quad(&e->dest));*/
if(rimeaddr_cmp(dest, &e->dest)) {
/* Refresh age of route so that used routes do not get thrown
out. */
e->time = 0;
return e;
}
}
@ -145,6 +142,16 @@ route_lookup(const rimeaddr_t *dest)
}
/*---------------------------------------------------------------------------*/
void
route_refresh(struct route_entry *e)
{
if(e != NULL) {
/* Refresh age of route so that used routes do not get thrown
out. */
e->time = 0;
}
}
/*---------------------------------------------------------------------------*/
void
route_remove(struct route_entry *e)
{
list_remove(route_table, e);