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fixed a minor bug causing too low rank during global repair

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This commit is contained in:
joxe 2010-06-02 16:54:59 +00:00
parent 941443878b
commit 62abed8347
3 changed files with 17 additions and 12 deletions
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20
core/net/rpl/rpl-dag.c
View file

@ -32,7 +32,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: rpl-dag.c,v 1.14 2010/06/02 16:23:08 joxe Exp $
* $Id: rpl-dag.c,v 1.15 2010/06/02 16:54:59 joxe Exp $
*/
/**
* \file
@ -243,7 +243,7 @@ rpl_free_dag(rpl_dag_t *dag)
}
/************************************************************************/
rpl_parent_t *
rpl_add_parent(rpl_dag_t *dag, uip_ipaddr_t *addr)
rpl_add_parent(rpl_dag_t *dag, rpl_dio_t *dio, uip_ipaddr_t *addr)
{
rpl_parent_t *p;
@ -255,6 +255,7 @@ rpl_add_parent(rpl_dag_t *dag, uip_ipaddr_t *addr)
memcpy(&p->addr, addr, sizeof(p->addr));
p->local_confidence = 0;
p->dag = dag;
p->rank = dio->dag_rank;
list_add(dag->parents, p);
@ -387,7 +388,7 @@ join_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
return;
}
p = rpl_add_parent(dag, from);
p = rpl_add_parent(dag, dio, from);
PRINTF("RPL: Adding ");
PRINT6ADDR(from);
PRINTF(" as a parent: ");
@ -398,7 +399,6 @@ join_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
PRINTF("succeeded\n");
p->local_confidence = 0; /* The lowest confidence for new parents. */
p->rank = dio->dag_rank;
/* Determine the objective function by using the
objective code point of the DIO. */
@ -452,12 +452,12 @@ global_repair(uip_ipaddr_t *from, rpl_dag_t *dag, rpl_dio_t *dio)
poison_routes(dag, NULL);
dag->version = dio->version;
if((p = rpl_add_parent(dag, from)) == NULL) {
dag->of->reset(dag);
if((p = rpl_add_parent(dag, dio, from)) == NULL) {
PRINTF("RPL: Failed to add a parent during the global repair\n");
dag->rank = INFINITE_RANK;
} else {
rpl_set_default_route(dag, from);
dag->of->reset(dag);
dag->rank = dag->of->increment_rank(dio->dag_rank, p);
rpl_reset_dio_timer(dag, 1);
}
@ -519,6 +519,11 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
global_repair(from, dag, dio);
}
return;
} else if(dio->version < dag->version) {
/* Inconsistency detected - someone is still on old version */
PRINTF("RPL: old version received => inconsistency detected\n");
rpl_reset_dio_timer(dag, 1);
return;
}
/* This DIO pertains to a DAG that we are already part of. */
@ -575,13 +580,12 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
}
new_parent = 0;
if(p == NULL) {
p = rpl_add_parent(dag, from);
p = rpl_add_parent(dag, dio, from);
if(p == NULL) {
PRINTF("RPL: Could not add parent\n");
return;
}
p->rank = dio->dag_rank;
PRINTF("RPL: New parent with rank %hu ", p->rank);
PRINT6ADDR(from);
PRINTF("\n");

5
core/net/rpl/rpl-timers.c
View file

@ -32,7 +32,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: rpl-timers.c,v 1.7 2010/05/29 22:23:21 nvt-se Exp $
* $Id: rpl-timers.c,v 1.8 2010/06/02 16:55:00 joxe Exp $
*/
/**
* \file
@ -101,7 +101,8 @@ new_dio_interval(rpl_dag_t *dag)
/* keep some stats */
dag->dio_totint++;
dag->dio_totrecv += dag->dio_counter;
ANNOTATE("#A rank=%d,stats=%d %d %d %d,color=%s\n", dag->rank,
ANNOTATE("#A rank=%d(%d),stats=%d %d %d %d,color=%s\n", dag->rank,
dag->version,
dag->dio_totint, dag->dio_totsend,
dag->dio_totrecv,dag->dio_intcurrent,
dag->rank == ROOT_RANK ? "BLUE" : "ORANGE");

4
core/net/rpl/rpl.h
View file

@ -30,7 +30,7 @@
*
* Author: Joakim Eriksson, Nicolas Tsiftes
*
* $Id: rpl.h,v 1.9 2010/06/02 16:23:12 joxe Exp $
* $Id: rpl.h,v 1.10 2010/06/02 16:55:00 joxe Exp $
*/
#ifndef RPL_H
@ -274,7 +274,7 @@ rpl_dag_t *rpl_alloc_dag(void);
void rpl_free_dag(rpl_dag_t *);
/* DAG parent management function. */
rpl_parent_t *rpl_add_parent(rpl_dag_t *, uip_ipaddr_t *);
rpl_parent_t *rpl_add_parent(rpl_dag_t *, rpl_dio_t *dio, uip_ipaddr_t *);
rpl_parent_t *rpl_find_parent(rpl_dag_t *, uip_ipaddr_t *);
int rpl_remove_parent(rpl_dag_t *, rpl_parent_t *);
rpl_parent_t *rpl_preferred_parent(rpl_dag_t *dag);