rpl_dag_t *
rpl_set_root(uip_ipaddr_t *dag_id)
{
rpl_dag_t *dag;
int version;
version = -1;
dag = rpl_get_dag(RPL_DEFAULT_INSTANCE);
if(dag != NULL) {
PRINTF("RPL: Dropping a joined DAG when setting this node as root");
version = dag->version;
rpl_free_dag(dag);
}
dag = rpl_alloc_dag(RPL_DEFAULT_INSTANCE);
if(dag == NULL) {
PRINTF("RPL: Failed to allocate a DAG\n");
return NULL;
}
dag->joined = 1;
dag->version = version + 1;
dag->grounded = RPL_GROUNDED;
dag->mop = RPL_MOP_DEFAULT;
dag->of = &RPL_OF;
dag->preferred_parent = NULL;
dag->dtsn_out = 1; /* Trigger DAOs from the beginning. */
memcpy(&dag->dag_id, dag_id, sizeof(dag->dag_id));
dag->dio_intdoubl = DEFAULT_DIO_INTERVAL_DOUBLINGS;
dag->dio_intmin = DEFAULT_DIO_INTERVAL_MIN;
dag->dio_redundancy = DEFAULT_DIO_REDUNDANCY;
dag->max_rankinc = DEFAULT_MAX_RANKINC;
dag->min_hoprankinc = DEFAULT_MIN_HOPRANKINC;
dag->default_lifetime = RPL_DEFAULT_LIFETIME;
dag->lifetime_unit = RPL_DEFAULT_LIFETIME_UNIT;
dag->rank = ROOT_RANK(dag);
dag->of->update_metric_container(dag);
PRINTF("RPL: Node set to be a DAG root with DAG ID ");
PRINT6ADDR(&dag->dag_id);
PRINTF("\n");
ANNOTATE("#A root=%u\n",dag->dag_id.u8[sizeof(dag->dag_id) - 1]);
rpl_reset_dio_timer(dag, 1);
return dag;
}
/*---------------------------------------------------------------------------*/
void
rpl_join_instance(uip_ipaddr_t *from, rpl_dio_t *dio)
{
rpl_instance_t *instance;
rpl_dag_t *dag;
rpl_parent_t *p;
rpl_of_t *of;
dag = rpl_alloc_dag(dio->instance_id, &dio->dag_id);
if(dag == NULL) {
PRINTF("RPL: Failed to allocate a DAG object!\n");
return;
}
instance = dag->instance;
p = rpl_add_parent(dag, dio, from);
PRINTF("RPL: Adding ");
PRINT6ADDR(from);
PRINTF(" as a parent: ");
if(p == NULL) {
PRINTF("failed\n");
instance->used = 0;
return;
}
p->dtsn = dio->dtsn;
PRINTF("succeeded\n");
/* Determine the objective function by using the
objective code point of the DIO. */
of = rpl_find_of(dio->ocp);
if(of == NULL) {
PRINTF("RPL: DIO for DAG instance %u does not specify a supported OF\n",
dio->instance_id);
rpl_remove_parent(p);
instance->used = 0;
return;
}
/* Autoconfigure an address if this node does not already have an address
with this prefix. */
if(dio->prefix_info.flags & UIP_ND6_RA_FLAG_AUTONOMOUS) {
check_prefix(NULL, &dio->prefix_info);
}
dag->joined = 1;
dag->preference = dio->preference;
dag->grounded = dio->grounded;
dag->version = dio->version;
instance->of = of;
instance->mop = dio->mop;
instance->current_dag = dag;
instance->dtsn_out = RPL_LOLLIPOP_INIT;
instance->max_rankinc = dio->dag_max_rankinc;
instance->min_hoprankinc = dio->dag_min_hoprankinc;
instance->dio_intdoubl = dio->dag_intdoubl;
instance->dio_intmin = dio->dag_intmin;
instance->dio_intcurrent = instance->dio_intmin + instance->dio_intdoubl;
instance->dio_redundancy = dio->dag_redund;
instance->default_lifetime = dio->default_lifetime;
instance->lifetime_unit = dio->lifetime_unit;
memcpy(&dag->dag_id, &dio->dag_id, sizeof(dio->dag_id));
/* Copy prefix information from the DIO into the DAG object. */
memcpy(&dag->prefix_info, &dio->prefix_info, sizeof(rpl_prefix_t));
rpl_set_preferred_parent(dag, p);
instance->of->update_metric_container(instance);
dag->rank = instance->of->calculate_rank(p, 0);
/* So far this is the lowest rank we are aware of. */
dag->min_rank = dag->rank;
if(default_instance == NULL) {
default_instance = instance;
}
PRINTF("RPL: Joined DAG with instance ID %u, rank %hu, DAG ID ",
dio->instance_id, dag->rank);
PRINT6ADDR(&dag->dag_id);
PRINTF("\n");
ANNOTATE("#A join=%u\n", dag->dag_id.u8[sizeof(dag->dag_id) - 1]);
rpl_reset_dio_timer(instance);
rpl_set_default_route(instance, from);
if(instance->mop != RPL_MOP_NO_DOWNWARD_ROUTES) {
rpl_schedule_dao(instance);
} else {
PRINTF("RPL: The DIO does not meet the prerequisites for sending a DAO\n");
}
}
/*---------------------------------------------------------------------------*/
rpl_dag_t *
rpl_set_root(uint8_t instance_id, uip_ipaddr_t *dag_id)
{
rpl_dag_t *dag;
rpl_instance_t *instance;
uint8_t version;
int i;
#if CETIC_6LBR
version = nvm_data.rpl_version_id;
RPL_LOLLIPOP_INCREMENT(version);
nvm_data.rpl_version_id = version;
store_nvm_config();
#else
version = RPL_LOLLIPOP_INIT;
#endif
instance = rpl_get_instance(instance_id);
if(instance != NULL) {
for(i = 0; i < RPL_MAX_DAG_PER_INSTANCE; ++i) {
dag = &instance->dag_table[i];
if(dag->used) {
if(uip_ipaddr_cmp(&dag->dag_id, dag_id)) {
version = dag->version;
RPL_LOLLIPOP_INCREMENT(version);
#if CETIC_6LBR
nvm_data.rpl_version_id = version;
store_nvm_config();
#endif
}
if(dag == dag->instance->current_dag) {
PRINTF("RPL: Dropping a joined DAG when setting this node as root");
rpl_set_default_route(instance, NULL);
dag->instance->current_dag = NULL;
} else {
PRINTF("RPL: Dropping a DAG when setting this node as root");
}
rpl_free_dag(dag);
}
}
}
dag = rpl_alloc_dag(instance_id, dag_id);
if(dag == NULL) {
PRINTF("RPL: Failed to allocate a DAG\n");
return NULL;
}
instance = dag->instance;
dag->version = version;
dag->joined = 1;
dag->grounded = RPL_GROUNDED;
dag->preference = RPL_PREFERENCE;
instance->mop = RPL_MOP_DEFAULT;
instance->of = &RPL_OF;
rpl_set_preferred_parent(dag, NULL);
memcpy(&dag->dag_id, dag_id, sizeof(dag->dag_id));
instance->dio_intdoubl = RPL_DIO_INTERVAL_DOUBLINGS;
instance->dio_intmin = RPL_DIO_INTERVAL_MIN;
/* The current interval must differ from the minimum interval in order to
trigger a DIO timer reset. */
instance->dio_intcurrent = RPL_DIO_INTERVAL_MIN +
RPL_DIO_INTERVAL_DOUBLINGS;
instance->dio_redundancy = RPL_DIO_REDUNDANCY;
instance->max_rankinc = RPL_MAX_RANKINC;
instance->min_hoprankinc = RPL_MIN_HOPRANKINC;
instance->default_lifetime = RPL_DEFAULT_LIFETIME;
instance->lifetime_unit = RPL_DEFAULT_LIFETIME_UNIT;
dag->rank = ROOT_RANK(instance);
if(instance->current_dag != dag && instance->current_dag != NULL) {
/* Remove routes installed by DAOs. */
rpl_remove_routes(instance->current_dag);
instance->current_dag->joined = 0;
}
instance->current_dag = dag;
instance->dtsn_out = RPL_LOLLIPOP_INIT;
instance->of->update_metric_container(instance);
default_instance = instance;
PRINTF("RPL: Node set to be a DAG root with DAG ID ");
PRINT6ADDR(&dag->dag_id);
PRINTF("\n");
ANNOTATE("#A root=%u\n", dag->dag_id.u8[sizeof(dag->dag_id) - 1]);
rpl_reset_dio_timer(instance);
return dag;
}
/*---------------------------------------------------------------------------*/
rpl_dag_t *
rpl_add_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
{
rpl_instance_t *instance;
rpl_dag_t *dag, *previous_dag;
rpl_parent_t *p;
rpl_of_t *of;
dag = rpl_alloc_dag(dio->instance_id, &dio->dag_id);
if(dag == NULL) {
PRINTF("RPL: Failed to allocate a DAG object!\n");
return NULL;
}
instance = dag->instance;
previous_dag = find_parent_dag(instance, from);
if(previous_dag == NULL) {
PRINTF("RPL: Adding ");
PRINT6ADDR(from);
PRINTF(" as a parent: ");
p = rpl_add_parent(dag, dio, from);
if(p == NULL) {
PRINTF("failed\n");
dag->used = 0;
return NULL;
}
PRINTF("succeeded\n");
} else {
p = rpl_find_parent(previous_dag, from);
if(p != NULL) {
rpl_move_parent(previous_dag, dag, p);
}
}
p->rank = dio->rank;
/* Determine the objective function by using the
objective code point of the DIO. */
of = rpl_find_of(dio->ocp);
if(of != instance->of ||
instance->mop != dio->mop ||
instance->max_rankinc != dio->dag_max_rankinc ||
instance->min_hoprankinc != dio->dag_min_hoprankinc ||
instance->dio_intdoubl != dio->dag_intdoubl ||
instance->dio_intmin != dio->dag_intmin ||
instance->dio_redundancy != dio->dag_redund ||
instance->default_lifetime != dio->default_lifetime ||
instance->lifetime_unit != dio->lifetime_unit) {
PRINTF("RPL: DIO for DAG instance %u incompatible with previous DIO\n",
dio->instance_id);
rpl_remove_parent(p);
dag->used = 0;
return NULL;
}
dag->used = 1;
dag->grounded = dio->grounded;
dag->preference = dio->preference;
dag->version = dio->version;
memcpy(&dag->dag_id, &dio->dag_id, sizeof(dio->dag_id));
/* copy prefix information into the dag */
memcpy(&dag->prefix_info, &dio->prefix_info, sizeof(rpl_prefix_t));
rpl_set_preferred_parent(dag, p);
dag->rank = instance->of->calculate_rank(p, 0);
dag->min_rank = dag->rank; /* So far this is the lowest rank we know of. */
PRINTF("RPL: Joined DAG with instance ID %u, rank %hu, DAG ID ",
dio->instance_id, dag->rank);
PRINT6ADDR(&dag->dag_id);
PRINTF("\n");
ANNOTATE("#A join=%u\n", dag->dag_id.u8[sizeof(dag->dag_id) - 1]);
rpl_process_parent_event(instance, p);
p->dtsn = dio->dtsn;
return dag;
}
static void
join_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
{
rpl_dag_t *dag;
rpl_parent_t *p;
rpl_of_t *of;
dag = rpl_alloc_dag(dio->instance_id);
if(dag == NULL) {
PRINTF("RPL: Failed to allocate a DAG object!\n");
return;
}
p = rpl_add_parent(dag, dio, from);
PRINTF("RPL: Adding ");
PRINT6ADDR(from);
PRINTF(" as a parent: ");
if(p == NULL) {
PRINTF("failed\n");
return;
}
PRINTF("succeeded\n");
/* Determine the objective function by using the
objective code point of the DIO. */
of = rpl_find_of(dio->ocp);
if(of == NULL) {
PRINTF("RPL: DIO for DAG instance %u does not specify a supported OF\n",
dio->instance_id);
return;
}
/* Autoconfigure an address if this node does not already have an address
with this prefix. */
if((dio->prefix_info.flags & UIP_ND6_RA_FLAG_AUTONOMOUS)) {
uip_ipaddr_t ipaddr;
/* assume that the prefix ends with zeros! */
memcpy(&ipaddr, &dio->prefix_info.prefix, 16);
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
if(uip_ds6_addr_lookup(&ipaddr) == NULL) {
PRINTF("RPL: adding global IP address ");
PRINT6ADDR(&ipaddr);
PRINTF("\n");
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
}
}
dag->joined = 1;
dag->used = 1;
dag->of = of;
dag->grounded = dio->grounded;
dag->mop = dio->mop;
dag->preference = dio->preference;
dag->instance_id = dio->instance_id;
dag->max_rankinc = dio->dag_max_rankinc;
dag->min_hoprankinc = dio->dag_min_hoprankinc;
dag->version = dio->version;
dag->preferred_parent = p;
dag->of->update_metric_container(dag);
dag->dio_intdoubl = dio->dag_intdoubl;
dag->dio_intmin = dio->dag_intmin;
dag->dio_redundancy = dio->dag_redund;
memcpy(&dag->dag_id, &dio->dag_id, sizeof(dio->dag_id));
/* copy prefix information into the dag */
memcpy(&dag->prefix_info, &dio->prefix_info, sizeof(rpl_prefix_t));
dag->rank = dag->of->calculate_rank(p, dio->rank);
dag->min_rank = dag->rank; /* So far this is the lowest rank we know of. */
PRINTF("RPL: Joined DAG with instance ID %u, rank %hu, DAG ID ",
dio->instance_id, dag->rank);
PRINT6ADDR(&dag->dag_id);
PRINTF("\n");
ANNOTATE("#A join=%u\n",dag->dag_id.u8[sizeof(dag->dag_id) - 1]);
dag->default_lifetime = dio->default_lifetime;
dag->lifetime_unit = dio->lifetime_unit;
rpl_reset_dio_timer(dag, 1);
rpl_set_default_route(dag, from);
if(should_send_dao(dag, dio, p)) {
rpl_schedule_dao(dag);
} else {
PRINTF("RPL: The DIO does not meet the prerequisites for sending a DAO\n");
}
}
/*---------------------------------------------------------------------------*/
void
rpl_join_instance(uip_ipaddr_t *from, rpl_dio_t *dio)
{
rpl_instance_t *instance;
rpl_dag_t *dag;
rpl_parent_t *p;
rpl_of_t *of;
int tx;//elnaz
dag = rpl_alloc_dag(dio->instance_id, &dio->dag_id);
if(dag == NULL) {
// PRINTF("RPL: Failed to allocate a DAG object!\n");
return;
}
instance = dag->instance;
p = rpl_add_parent(dag, dio, from);
// PRINTF("RPL: Adding ");
// PRINT6ADDR(from);
// PRINTF(" as a parent: ");
if(p == NULL) {
// PRINTF("failed\n");
instance->used = 0;
return;
}
p->dtsn = dio->dtsn;
// PRINTF("succeeded\n");
/* Determine the objective function by using the
objective code point of the DIO. */
of = rpl_find_of(dio->ocp);
if(of == NULL) {
// PRINTF("RPL: DIO for DAG instance %u does not specify a supported OF\n",dio->instance_id);
rpl_remove_parent(p);
instance->used = 0;
return;
}
/* Autoconfigure an address if this node does not already have an address
with this prefix. */
if(dio->prefix_info.flags & UIP_ND6_RA_FLAG_AUTONOMOUS) {
check_prefix(NULL, &dio->prefix_info);
}
//-----------------elnaz
tx =cc2420_get_txpower();
printf("Power=%d \n",tx);
switch(tx) {
case 3:
dag->Tx = 0.003;
break;
case 7:
dag->Tx = 0.03;
break;
case 11:
dag->Tx = 0.1;
break;
case 15:
dag->Tx = 0.2;
break;
case 19:
dag->Tx = 0.3;
break;
case 23:
dag->Tx = 0.5;
break;
case 27:
dag->Tx = 0.8;
break;
case 31:
dag->Tx = 1;
}
/*
float mv = (bateria * 2.500 * 2) / 4096;
printf("Battery: (%ld.%03d mV)\n", (long) mv, (unsigned) ((mv - floor(mv)) * 1000));
*/
//printf("Test tx=%ld ",(long) (dag->Tx*1000));
//----------------------elnaz
dag->joined = 1;
dag->preference = dio->preference;
dag->grounded = dio->grounded;
dag->version = dio->version;
instance->of = of;
instance->mop = dio->mop;
instance->current_dag = dag;
instance->dtsn_out = RPL_LOLLIPOP_INIT;
instance->max_rankinc = dio->dag_max_rankinc;
instance->min_hoprankinc = dio->dag_min_hoprankinc;
instance->dio_intdoubl = dio->dag_intdoubl;
instance->dio_intmin = dio->dag_intmin;
instance->dio_intcurrent = instance->dio_intmin + instance->dio_intdoubl;
instance->dio_redundancy = dio->dag_redund;
instance->default_lifetime = dio->default_lifetime;
instance->lifetime_unit = dio->lifetime_unit;
memcpy(&dag->dag_id, &dio->dag_id, sizeof(dio->dag_id));
/* Copy prefix information from the DIO into the DAG object. */
memcpy(&dag->prefix_info, &dio->prefix_info, sizeof(rpl_prefix_t));
rpl_set_preferred_parent(dag, p);
instance->of->update_metric_container(instance);
dag->rank = instance->of->calculate_rank(p, 0);
/* So far this is the lowest rank we are aware of. */
dag->min_rank = dag->rank;
if(default_instance == NULL) {
default_instance = instance;
}
// PRINTF("RPL: Joined DAG with instance ID %u, rank %hu, DAG ID ", dio->instance_id, dag->rank);
// PRINT6ADDR(&dag->dag_id);
// PRINTF("\n");
ANNOTATE("#A join=%u\n", dag->dag_id.u8[sizeof(dag->dag_id) - 1]);
rpl_reset_dio_timer(instance);
rpl_set_default_route(instance, from);
if(instance->mop != RPL_MOP_NO_DOWNWARD_ROUTES) {
rpl_schedule_dao(instance);
} else {
// PRINTF("RPL: The DIO does not meet the prerequisites for sending a DAO\n");
}
}