Removed some redundant code and fixed coding style.
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6071b5aee7
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80097f2c65
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@ -182,7 +182,7 @@ rpl_set_root(uint8_t instance_id, uip_ipaddr_t *dag_id)
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uint8_t version;
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version = RPL_LOLLIPOP_INIT;
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dag = rpl_get_dodag(instance_id, dag_id);
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dag = rpl_get_dag(instance_id, dag_id);
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if(dag != NULL) {
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version = dag->version;
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RPL_LOLLIPOP_INCREMENT(version);
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@ -190,10 +190,10 @@ rpl_set_root(uint8_t instance_id, uip_ipaddr_t *dag_id)
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if(dag == dag->instance->current_dag) {
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dag->instance->current_dag = NULL;
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}
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rpl_free_dodag(dag);
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rpl_free_dag(dag);
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}
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dag = rpl_alloc_dodag(instance_id, dag_id);
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dag = rpl_alloc_dag(instance_id, dag_id);
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if(dag == NULL) {
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PRINTF("RPL: Failed to allocate a DAG\n");
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return NULL;
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@ -371,27 +371,18 @@ rpl_alloc_instance(uint8_t instance_id)
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}
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/************************************************************************/
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rpl_dag_t *
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rpl_alloc_dodag(uint8_t instance_id, uip_ipaddr_t *dag_id)
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rpl_alloc_dag(uint8_t instance_id, uip_ipaddr_t *dag_id)
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{
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rpl_dag_t *dag, *end;
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rpl_instance_t *instance;
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instance = rpl_get_instance(instance_id);
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if(instance == NULL ) {
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if(instance == NULL) {
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instance = rpl_alloc_instance(instance_id);
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if(instance == NULL ) {
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if(instance == NULL) {
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RPL_STAT(rpl_stats.mem_overflows++);
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return NULL;
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}
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dag = &instance->dag_table[0];
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dag->parents = &dag->parent_list;
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list_init(dag->parents);
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dag->used = 1;
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dag->rank = INFINITE_RANK;
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dag->min_rank = INFINITE_RANK;
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dag->instance = instance;
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instance->current_dag = dag;
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return dag;
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}
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for(dag = &instance->dag_table[0], end = dag + RPL_MAX_DAG_PER_INSTANCE; dag < end; ++dag) {
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@ -426,7 +417,7 @@ rpl_free_instance(rpl_instance_t *instance)
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/* Remove any DAG inside this instance */
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for(dag = &instance->dag_table[0], end = dag + RPL_MAX_DAG_PER_INSTANCE; dag < end; ++dag) {
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if(dag->used) {
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rpl_free_dodag(dag);
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rpl_free_dag(dag);
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}
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}
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@ -443,7 +434,7 @@ rpl_free_instance(rpl_instance_t *instance)
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}
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/************************************************************************/
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void
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rpl_free_dodag(rpl_dag_t *dag)
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rpl_free_dag(rpl_dag_t *dag)
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{
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if(dag->joined) {
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PRINTF("RPL: Leaving the DAG ");
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@ -539,7 +530,7 @@ rpl_find_parent_any_dag(rpl_instance_t *instance, uip_ipaddr_t *addr)
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}
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/************************************************************************/
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rpl_dag_t *
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rpl_select_dodag(rpl_instance_t *instance, rpl_parent_t *p)
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rpl_select_dag(rpl_instance_t *instance, rpl_parent_t *p)
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{
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rpl_parent_t *last_parent;
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rpl_dag_t *dag, *end, *best_dag;
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@ -746,7 +737,7 @@ rpl_get_instance(uint8_t instance_id)
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}
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/************************************************************************/
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rpl_dag_t *
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rpl_get_dodag(uint8_t instance_id, uip_ipaddr_t *dag_id)
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rpl_get_dag(uint8_t instance_id, uip_ipaddr_t *dag_id)
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{
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rpl_instance_t *instance;
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rpl_dag_t *dag;
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@ -791,7 +782,7 @@ rpl_join_instance(uip_ipaddr_t *from, rpl_dio_t *dio)
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rpl_parent_t *p;
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rpl_of_t *of;
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dag = rpl_alloc_dodag(dio->instance_id, &dio->dag_id);
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dag = rpl_alloc_dag(dio->instance_id, &dio->dag_id);
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if(dag == NULL) {
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PRINTF("RPL: Failed to allocate a DAG object!\n");
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return;
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@ -880,14 +871,14 @@ rpl_join_instance(uip_ipaddr_t *from, rpl_dio_t *dio)
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/************************************************************************/
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void
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rpl_add_dodag(uip_ipaddr_t *from, rpl_dio_t *dio)
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rpl_add_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
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{
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rpl_instance_t *instance;
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rpl_dag_t *dag, *previous_dag;
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rpl_parent_t *p;
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rpl_of_t *of;
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dag = rpl_alloc_dodag(dio->instance_id, &dio->dag_id);
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dag = rpl_alloc_dag(dio->instance_id, &dio->dag_id);
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if(dag == NULL) {
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PRINTF("RPL: Failed to allocate a DAG object!\n");
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return;
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@ -1072,7 +1063,7 @@ rpl_process_parent_event(rpl_instance_t *instance, rpl_parent_t *p)
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}
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}
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if(rpl_select_dodag(instance, p) == NULL) {
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if(rpl_select_dag(instance, p) == NULL) {
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/* No suitable parent; trigger a local repair. */
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PRINTF("RPL: No parents found in any DAG\n");
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rpl_local_repair(instance);
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@ -1123,10 +1114,10 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
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return;
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}
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dag = rpl_get_dodag(dio->instance_id, &dio->dag_id);
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dag = rpl_get_dag(dio->instance_id, &dio->dag_id);
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if(dag == NULL) {
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PRINTF("RPL: Adding new dodag to known instance.\n");
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rpl_add_dodag(from, dio);
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PRINTF("RPL: Adding new DAG to known instance.\n");
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rpl_add_dag(from, dio);
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return;
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}
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