C++ rpl_reset_dio_timer函数代码示例

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本文整理汇总了C++中rpl_reset_dio_timer函数的典型用法代码示例。如果您正苦于以下问题：C++ rpl_reset_dio_timer函数的具体用法？C++ rpl_reset_dio_timer怎么用？C++ rpl_reset_dio_timer使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了rpl_reset_dio_timer函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: global_repair

static void
global_repair(uip_ipaddr_t *from, rpl_dag_t *dag, rpl_dio_t *dio)
{
  rpl_parent_t *p;

  remove_parents(dag, 0);
  dag->version = dio->version;
  dag->dtsn_out = 1;
  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->rank = dag->of->calculate_rank(NULL, dio->rank);
    dag->min_rank = dag->rank;
    rpl_reset_dio_timer(dag, 1);
    if(should_send_dao(dag, dio, p)) {
      rpl_schedule_dao(dag);
    }
  }
  PRINTF("RPL: Participating in a global repair (version=%u, rank=%hu)\n",
         dag->version, dag->rank);

  RPL_STAT(rpl_stats.global_repairs++);
}

开发者ID:lepton-distribution，项目名称:lepton-root.scions，代码行数:26，代码来源:rpl-dag.c

示例2: rpl_local_repair

/*---------------------------------------------------------------------------*/
void
rpl_local_repair(rpl_instance_t *instance)
{
  int i;

  if(instance == NULL) {
    PRINTF("RPL: local repair requested for instance NULL\n");
    return;
  }
  PRINTF("RPL: Starting a local instance repair\n");
  for(i = 0; i < RPL_MAX_DAG_PER_INSTANCE; i++) {
    if(instance->dag_table[i].used) {
      instance->dag_table[i].rank = INFINITE_RANK;
      nullify_parents(&instance->dag_table[i], 0);
    }
  }

  /* no downward route anymore */
  instance->has_downward_route = 0;

  rpl_reset_dio_timer(instance);
  /* Request refresh of DAO registrations next DIO */
  RPL_LOLLIPOP_INCREMENT(instance->dtsn_out);

  RPL_STAT(rpl_stats.local_repairs++);
}

开发者ID:13416795，项目名称:contiki，代码行数:27，代码来源:rpl-dag.c

示例3: rpl_select_parent

rpl_parent_t *
rpl_select_parent(rpl_dag_t *dag)
{
  rpl_parent_t *p;
  rpl_parent_t *best;

  best = NULL;
  for(p = list_head(dag->parents); p != NULL; p = p->next) {
    if(p->rank == INFINITE_RANK) {
      /* ignore this neighbor */
    } else if(best == NULL) {
      best = p;
    } else {
      best = dag->of->best_parent(best, p);
    }
  }

  if(best == NULL) {
    /* need to handle update of best... */
    return NULL;
  }

  if(dag->preferred_parent != best) {
    if(dag->mop != RPL_MOP_NO_DOWNWARD_ROUTES) {
      PRINTF("RPL: Sending a No-Path DAO to old DAO parent\n");
      dao_output(dag->preferred_parent, ZERO_LIFETIME);
    }
    dag->preferred_parent = best; /* Cache the value. */
    dag->of->update_metric_container(dag);
    rpl_set_default_route(dag, &best->addr);
    /* The DAO parent set changed - schedule a DAO transmission. */
    if(dag->mop != RPL_MOP_NO_DOWNWARD_ROUTES) {
      rpl_schedule_dao(dag);
    }
    rpl_reset_dio_timer(dag, 1);
    PRINTF("RPL: New preferred parent, rank changed from %u to %u\n",
	   (unsigned)dag->rank, dag->of->calculate_rank(best, 0));
    RPL_STAT(rpl_stats.parent_switch++);
  }

  /* Update the DAG rank, since link-layer information may have changed
     the local confidence. */
  dag->rank = dag->of->calculate_rank(best, 0);
  if(dag->rank < dag->min_rank) {
    dag->min_rank = dag->rank;
  } else if(!acceptable_rank(dag, best->rank)) {
    /* Send a No-Path DAO to the soon-to-be-removed preferred parent. */
    if(dag->mop != RPL_MOP_NO_DOWNWARD_ROUTES) {
      dao_output(best, ZERO_LIFETIME);
    }

    remove_parents(dag, 0);
    return NULL;
  }

  return best;
}

开发者ID:CaptFrank，项目名称:contiki-stm32w，代码行数:57，代码来源:rpl-dag.c

示例4: rpl_local_repair

void
rpl_local_repair(rpl_dag_t *dag)
{
  PRINTF("RPL: Starting a local DAG repair\n");

  dag->rank = INFINITE_RANK;
  remove_parents(dag, 0);
  rpl_reset_dio_timer(dag, 1);

  RPL_STAT(rpl_stats.local_repairs++);
}

开发者ID:lepton-distribution，项目名称:lepton-root.scions，代码行数:11，代码来源:rpl-dag.c

示例5: rpl_set_root

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;
}

开发者ID:lepton-distribution，项目名称:lepton-root.scions，代码行数:54，代码来源:rpl-dag.c

示例6: rpl_repair_dag

int
rpl_repair_dag(rpl_dag_t *dag)
{
  if(dag->rank == ROOT_RANK(dag)) {
    dag->version++;
    dag->dtsn_out = 1;
    rpl_reset_dio_timer(dag, 1);
    return 1;
  }
  return 0;
}

开发者ID:lepton-distribution，项目名称:lepton-root.scions，代码行数:11，代码来源:rpl-dag.c

示例7: rpl_repair_root

/*---------------------------------------------------------------------------*/
int
rpl_repair_root(uint8_t instance_id)
{
  rpl_instance_t *instance;

  instance = rpl_get_instance(instance_id);
  if(instance == NULL ||
     instance->current_dag->rank != ROOT_RANK(instance)) {
    return 0;
  }

  RPL_LOLLIPOP_INCREMENT(instance->current_dag->version);
  RPL_LOLLIPOP_INCREMENT(instance->dtsn_out);
  rpl_reset_dio_timer(instance);
  return 1;
}

开发者ID:denghongcai，项目名称:6lbr，代码行数:17，代码来源:rpl-dag.c

示例8: rpl_local_repair

/*---------------------------------------------------------------------------*/
void
rpl_local_repair(rpl_instance_t *instance)
{
  int i;

  PRINTF("RPL: Starting a local instance repair\n");
  for(i = 0; i < RPL_MAX_DAG_PER_INSTANCE; i++) {
    if(instance->dag_table[i].used) {
      instance->dag_table[i].rank = INFINITE_RANK;
      nullify_parents(&instance->dag_table[i], 0);
    }
  }

  rpl_reset_dio_timer(instance);

  RPL_STAT(rpl_stats.local_repairs++);
}

开发者ID:denghongcai，项目名称:6lbr，代码行数:18，代码来源:rpl-dag.c

示例9: rpl_repair_root

/*---------------------------------------------------------------------------*/
int
rpl_repair_root(uint8_t instance_id)
{
  rpl_instance_t *instance;

  instance = rpl_get_instance(instance_id);
  if(instance == NULL ||
     instance->current_dag->rank != ROOT_RANK(instance)) {
    PRINTF("RPL: rpl_repair_root triggered but not root\n");
    return 0;
  }

  RPL_LOLLIPOP_INCREMENT(instance->current_dag->version);
  RPL_LOLLIPOP_INCREMENT(instance->dtsn_out);
  PRINTF("RPL: rpl_repair_root initiating global repair with version %d\n", instance->current_dag->version);
  rpl_reset_dio_timer(instance);
  return 1;
}

开发者ID:Johnyren，项目名称:orpl，代码行数:19，代码来源:rpl-dag.c

示例10: rpl_select_parent

rpl_parent_t *
rpl_select_parent(rpl_dag_t *dag)
{
  rpl_parent_t *p;
  rpl_parent_t *best;

  best = NULL;
  for(p = list_head(dag->parents); p != NULL; p = p->next) {
    if(best == NULL) {
      best = p;
    } else {
      best = dag->of->best_parent(best, p);
    }
  }

  if(dag->preferred_parent != best) {
    dag->preferred_parent = best; /* Cache the value. */
    dag->of->update_metric_container(dag);
    rpl_set_default_route(dag, &best->addr);
    /* The DAO parent set changed - schedule a DAO transmission. */
    rpl_schedule_dao(dag);
    rpl_reset_dio_timer(dag, 1);
    PRINTF("RPL: New preferred parent, rank changed from %u to %u\n",
	   (unsigned)dag->rank, dag->of->calculate_rank(best, 0));
  }

  /* Update the DAG rank, since link-layer information may have changed
     the local confidence. */
  dag->rank = dag->of->calculate_rank(best, 0);
  if(dag->rank < dag->min_rank) {
    dag->min_rank = dag->rank;
  } else if(!acceptable_rank(dag, best->rank)) {
    /* Send a No-Path DAO to the soon-to-be-removed preferred parent. */
    dao_output(p, ZERO_LIFETIME);

    remove_parents(dag, 0);
    return NULL;
  }

  return best;
}

开发者ID:Asterios，项目名称:contiki-tls-dtls，代码行数:41，代码来源:rpl-dag.c

示例11: rpl_process_parent_event

int
rpl_process_parent_event(rpl_dag_t *dag, rpl_parent_t *p)
{
  rpl_rank_t parent_rank;
  rpl_rank_t old_rank;

  /* Update the parent rank. */
  parent_rank = p->rank;
  old_rank = dag->rank;

  if(rpl_select_parent(dag) == NULL) {
    /* No suitable parent; trigger a local repair. */
    PRINTF("RPL: No parents found in a DAG\n");
    rpl_local_repair(dag);
    return 1;
  }

  if(DAG_RANK(old_rank, dag) != DAG_RANK(dag->rank, dag)) {
    if(dag->rank < dag->min_rank) {
      dag->min_rank = dag->rank;
    }
    PRINTF("RPL: Moving in the DAG from rank %hu to %hu\n",
	   DAG_RANK(old_rank, dag), DAG_RANK(dag->rank, dag));
    PRINTF("RPL: The preferred parent is ");
    PRINT6ADDR(&dag->preferred_parent->addr);
    PRINTF(" (rank %u)\n",
           (unsigned)DAG_RANK(dag->preferred_parent->rank, dag));
    rpl_reset_dio_timer(dag, 1);
  }

  if(parent_rank == INFINITE_RANK ||
     !acceptable_rank(dag, dag->of->calculate_rank(NULL, parent_rank))) {
    /* The candidate parent is no longer valid: the rank increase resulting
       from the choice of it as a parent would be too high. */
    return 0;
  }

  return 1;
}

开发者ID:lepton-distribution，项目名称:lepton-root.scions，代码行数:39，代码来源:rpl-dag.c

示例12: rpl_set_root

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;

  version = RPL_LOLLIPOP_INIT;
  dag = rpl_get_dodag(instance_id, dag_id);
  if(dag != NULL) {
    version = dag->version;
    RPL_LOLLIPOP_INCREMENT(version);
    PRINTF("RPL: Dropping a joined DAG when setting this node as root");
    if(dag==dag->instance->current_dag) {
      dag->instance->current_dag=NULL;
    }
    rpl_free_dodag(dag);
  }

  dag = rpl_alloc_dodag(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;
  instance->mop = RPL_MOP_DEFAULT;
  instance->of = &RPL_OF;

  memcpy(&dag->dag_id, dag_id, sizeof(dag->dag_id));

  instance->dio_intdoubl = DEFAULT_DIO_INTERVAL_DOUBLINGS;
  instance->dio_intmin = DEFAULT_DIO_INTERVAL_MIN;
  instance->dio_redundancy = DEFAULT_DIO_REDUNDANCY;
  instance->max_rankinc = DEFAULT_MAX_RANKINC;
  instance->min_hoprankinc = DEFAULT_MIN_HOPRANKINC;
  instance->default_lifetime = DEFAULT_RPL_DEF_LIFETIME;
  instance->lifetime_unit = DEFAULT_RPL_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]);

  instance->dio_timer.instance=instance;

  rpl_reset_dio_timer(instance, 1);

  return dag;
}

开发者ID:Feandil，项目名称:RPL_Gateway，代码行数:69，代码来源:rpl-dag.c

示例13: rpl_verify_header

/*---------------------------------------------------------------------------*/
int
rpl_verify_header(int uip_ext_opt_offset)
{
  rpl_instance_t *instance;
  int down;
  uint16_t sender_rank;
  uint8_t sender_closer;
  uip_ds6_route_t *route;
  rpl_parent_t *sender = NULL;

  if(UIP_HBHO_BUF->len != RPL_HOP_BY_HOP_LEN - 8) {
    PRINTF("RPL: Hop-by-hop extension header has wrong size\n");
    return 1;
  }

  if(UIP_EXT_HDR_OPT_RPL_BUF->opt_type != UIP_EXT_HDR_OPT_RPL) {
    PRINTF("RPL: Non RPL Hop-by-hop option\n");
    return 1;
  }

  if(UIP_EXT_HDR_OPT_RPL_BUF->opt_len != RPL_HDR_OPT_LEN) {
    PRINTF("RPL: Bad header option! (wrong length)\n");
    return 1;
  }

  instance = rpl_get_instance(UIP_EXT_HDR_OPT_RPL_BUF->instance);
  if(instance == NULL) {
    PRINTF("RPL: Unknown instance: %u\n",
           UIP_EXT_HDR_OPT_RPL_BUF->instance);
    return 1;
  }

  if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_FWD_ERR) {
    PRINTF("RPL: Forward error!\n");
    /* We should try to repair it by removing the neighbor that caused
       the packet to be forwareded in the first place. We drop any
       routes that go through the neighbor that sent the packet to
       us. */
    route = uip_ds6_route_lookup(&UIP_IP_BUF->destipaddr);
    if(route != NULL) {
      uip_ds6_route_rm(route);
    }
    RPL_STAT(rpl_stats.forward_errors++);
    /* Trigger DAO retransmission */
    rpl_reset_dio_timer(instance);
    /* drop the packet as it is not routable */
    return 1;
  }

  if(!instance->current_dag->joined) {
    PRINTF("RPL: No DAG in the instance\n");
    return 1;
  }

  down = 0;
  if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_DOWN) {
    down = 1;
  }

  sender_rank = UIP_HTONS(UIP_EXT_HDR_OPT_RPL_BUF->senderrank);
  sender_closer = sender_rank < instance->current_dag->rank;

  PRINTF("RPL: Packet going %s, sender closer %d (%d < %d)\n", down == 1 ? "down" : "up",
	 sender_closer,
	 sender_rank,
	 instance->current_dag->rank
	 );

  sender = nbr_table_get_from_lladdr(rpl_parents, packetbuf_addr(PACKETBUF_ADDR_SENDER));

  if(sender != NULL && (UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_RANK_ERR)) {
    /* A rank error was signalled, attempt to repair it by updating
     * the sender's rank from ext header */
    sender->rank = sender_rank;
    rpl_select_dag(instance, sender);
  }

  if((down && !sender_closer) || (!down && sender_closer)) {
    PRINTF("RPL: Loop detected - senderrank: %d my-rank: %d sender_closer: %d\n",
	   sender_rank, instance->current_dag->rank,
	   sender_closer);
    /* Attempt to repair the loop by sending a unicast DIO back to the sender
     * so that it gets a fresh update of our rank. */
    if(sender != NULL) {
      instance->unicast_dio_target = sender;
      rpl_schedule_unicast_dio_immediately(instance);
    }
    if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_RANK_ERR) {
      RPL_STAT(rpl_stats.loop_errors++);
      PRINTF("RPL: Rank error signalled in RPL option!\n");
      /* Packet must be dropped and dio trickle timer reset, see RFC6550 - 11.2.2.2 */
      rpl_reset_dio_timer(instance);
      return 1;
    }
    PRINTF("RPL: Single error tolerated\n");
    RPL_STAT(rpl_stats.loop_warnings++);
    UIP_EXT_HDR_OPT_RPL_BUF->flags |= RPL_HDR_OPT_RANK_ERR;
    return 0;
  }
//.........这里部分代码省略.........

开发者ID:Ayesha-N，项目名称:6lbr，代码行数:101，代码来源:rpl-ext-header.c

示例14: rpl_join_instance


//.........这里部分代码省略.........
     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");
  }
}

开发者ID:e2rezaei，项目名称:set-Tx，代码行数:101，代码来源:rpl-dag.c

示例15: rpl_process_dio

/*---------------------------------------------------------------------------*/
void
rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
{
  rpl_instance_t *instance;
  rpl_dag_t *dag, *previous_dag;
  rpl_parent_t *p;

  if(dio->mop != RPL_MOP_DEFAULT) {
    PRINTF("RPL: Ignoring a DIO with an unsupported MOP: %d\n", dio->mop);
    return;
  }

  dag = get_dag(dio->instance_id, &dio->dag_id);
  instance = rpl_get_instance(dio->instance_id);

  if(dag != NULL && instance != NULL) {
    if(lollipop_greater_than(dio->version, dag->version)) {
      if(dag->rank == ROOT_RANK(instance)) {
	PRINTF("RPL: Root received inconsistent DIO version number\n");
	dag->version = dio->version;
	RPL_LOLLIPOP_INCREMENT(dag->version);
	rpl_reset_dio_timer(instance);
      } else {
        PRINTF("RPL: Global Repair\n");
        if(dio->prefix_info.length != 0) {
          if(dio->prefix_info.flags & UIP_ND6_RA_FLAG_AUTONOMOUS) {
            PRINTF("RPL : Prefix announced in DIO\n");
            rpl_set_prefix(dag, &dio->prefix_info.prefix, dio->prefix_info.length);
          }
        }
	global_repair(from, dag, dio);
      }
      return;
    }

    if(lollipop_greater_than(dag->version, dio->version)) {
      /* The DIO sender is on an older version of the DAG. */
      PRINTF("RPL: old version received => inconsistency detected\n");
      if(dag->joined) {
        rpl_reset_dio_timer(instance);
        return;
      }
    }
  }

  if(instance == NULL) {
    PRINTF("RPL: New instance detected: Joining...\n");
    rpl_join_instance(from, dio);
    return;
  }

  if(dag == NULL) {
    PRINTF("RPL: Adding new DAG to known instance.\n");
    rpl_add_dag(from, dio);
    return;
  }


  if(dio->rank < ROOT_RANK(instance)) {
    PRINTF("RPL: Ignoring DIO with too low rank: %u\n",
           (unsigned)dio->rank);
    return;
  } else if(dio->rank == INFINITE_RANK && dag->joined) {
    rpl_reset_dio_timer(instance);
  }
  
  /* Prefix Information Option treated to add new prefix */
  if(dio->prefix_info.length != 0) {
    if(dio->prefix_info.flags & UIP_ND6_RA_FLAG_AUTONOMOUS) {
      PRINTF("RPL : Prefix announced in DIO\n");
      rpl_set_prefix(dag, &dio->prefix_info.prefix, dio->prefix_info.length);
    }
  }

  if(dag->rank == ROOT_RANK(instance)) {
    if(dio->rank != INFINITE_RANK) {
      instance->dio_counter++;
    }
#if !WITH_ORPL
    return; /* With ORPL we want to have neighbors in the "rpl_parents"
    table as we need their rank and ackcount for routing set. */
#endif
  }

  /*
   * At this point, we know that this DIO pertains to a DAG that
   * we are already part of. We consider the sender of the DIO to be
   * a candidate parent, and let rpl_process_parent_event decide
   * whether to keep it in the set.
   */

  p = rpl_find_parent(dag, from);
  if(p == NULL) {
    previous_dag = find_parent_dag(instance, from);
    if(previous_dag == NULL) {
      /* Add the DIO sender as a candidate parent. */
      p = rpl_add_parent(dag, dio, from);
      if(p == NULL) {
        PRINTF("RPL: Failed to add a new parent (");
//.........这里部分代码省略.........

开发者ID:Johnyren，项目名称:orpl，代码行数:101，代码来源:rpl-dag.c

示例16: tcpip_ipv6_output


//.........这里部分代码省略.........
	  PRINTF("FALLBACK: removing ext hdrs & setting proto %d %d\n", 
		 uip_ext_len, *((uint8_t *)UIP_IP_BUF + 40));
	  if(uip_ext_len > 0) {
	    extern void remove_ext_hdr(void);
	    uint8_t proto = *((uint8_t *)UIP_IP_BUF + 40);
	    remove_ext_hdr();
	    /* This should be copied from the ext header... */
	    UIP_IP_BUF->proto = proto;
	  }
	  UIP_FALLBACK_INTERFACE.output();
#else
          PRINTF("tcpip_ipv6_output: Destination off-link but no route\n");
#endif /* !UIP_FALLBACK_INTERFACE */
          uip_clear_buf();
          return;
        }

      } else {
        /* A route was found, so we look up the nexthop neighbor for
           the route. */
        nexthop = uip_ds6_route_nexthop(route);

        /* If the nexthop is dead, for example because the neighbor
           never responded to link-layer acks, we drop its route. */
        if(nexthop == NULL) {
#if UIP_CONF_IPV6_RPL
          /* If we are running RPL, and if we are the root of the
             network, we'll trigger a DIO before we remove
             the route. */
          rpl_dag_t *dag;

          dag = (rpl_dag_t *)route->state.dag;
          if(dag != NULL) {
            rpl_reset_dio_timer(dag->instance);
          }
#endif /* UIP_CONF_IPV6_RPL */
          uip_ds6_route_rm(route);

          /* We don't have a nexthop to send the packet to, so we drop
             it. */
          return;
        }
      }
#if TCPIP_CONF_ANNOTATE_TRANSMISSIONS
      if(nexthop != NULL) {
        static uint8_t annotate_last;
        static uint8_t annotate_has_last = 0;

        if(annotate_has_last) {
          printf("#L %u 0; red\n", annotate_last);
        }
        printf("#L %u 1; red\n", nexthop->u8[sizeof(uip_ipaddr_t) - 1]);
        annotate_last = nexthop->u8[sizeof(uip_ipaddr_t) - 1];
        annotate_has_last = 1;
      }
#endif /* TCPIP_CONF_ANNOTATE_TRANSMISSIONS */
    }

    /* End of next hop determination */

#if UIP_CONF_IPV6_RPL
    if(rpl_update_header_final(nexthop)) {
      uip_clear_buf();
      return;
    }
#endif /* UIP_CONF_IPV6_RPL */

开发者ID:adutze，项目名称:6lbr，代码行数:67，代码来源:tcpip.c

示例17: rpl_process_dio

/*---------------------------------------------------------------------------*/
void
rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
{
  rpl_instance_t *instance;
  rpl_dag_t *dag, *previous_dag;
  rpl_parent_t *p;

  anycast_update_neighbor_edc(packetbuf_addr(PACKETBUF_ADDR_SENDER), dio->rank);

  if(dio->mop != RPL_MOP_DEFAULT) {
    PRINTF("RPL: Ignoring a DIO with an unsupported MOP: %d\n", dio->mop);
    return;
  }

  dag = get_dag(dio->instance_id, &dio->dag_id);
  instance = rpl_get_instance(dio->instance_id);

  if(dag != NULL && instance != NULL) {
    if(lollipop_greater_than(dio->version, dag->version)) {
      if(dag->rank == ROOT_RANK(instance)) {
	PRINTF("RPL: Root received inconsistent DIO version number\n");
	dag->version = dio->version;
	RPL_LOLLIPOP_INCREMENT(dag->version);
	rpl_reset_dio_timer(instance);
      } else {
	global_repair(from, dag, dio);
      }
      return;
    }

    if(lollipop_greater_than(dag->version, dio->version)) {
      /* The DIO sender is on an older version of the DAG. */
      PRINTF("RPL: old version received => inconsistency detected\n");
      if(dag->joined) {
	rpl_reset_dio_timer(instance);
	return;
      }
    }
  }

  if(dio->rank == INFINITE_RANK) {
    PRINTF("RPL: Ignoring DIO from node with infinite rank: ");
    PRINT6ADDR(from);
    PRINTF("\n");
    return;
  }

  if(instance == NULL) {
    PRINTF("RPL: New instance detected: Joining...\n");
    rpl_join_instance(from, dio);
    return;
  }

  if(dag == NULL) {
    PRINTF("RPL: Adding new DAG to known instance.\n");
    rpl_add_dag(from, dio);
    return;
  }


  if(dio->rank < ROOT_RANK(instance)) {
    PRINTF("RPL: Ignoring DIO with too low rank: %u\n",
           (unsigned)dio->rank);
    return;
  } else if(dio->rank == INFINITE_RANK && dag->joined) {
    rpl_reset_dio_timer(instance);
  }

  if(dag->rank == ROOT_RANK(instance)) {
    if(dio->rank != INFINITE_RANK) {
      instance->dio_counter++;
    }
    return;
  }

  /*
   * At this point, we know that this DIO pertains to a DAG that
   * we are already part of. We consider the sender of the DIO to be
   * a candidate parent, and let rpl_process_parent_event decide
   * whether to keep it in the set.
   */

  p = rpl_find_parent(dag, from);
  if(p == NULL) {
    previous_dag = find_parent_dag(instance, from);
    if(previous_dag == NULL) {
      if(RPL_PARENT_COUNT(dag) == RPL_MAX_PARENTS_PER_DAG) {
        /* Make room for a new parent. */
        remove_worst_parent(dag, dio->rank);
      }
      /* Add the DIO sender as a candidate parent. */
      p = rpl_add_parent(dag, dio, from);
      if(p == NULL) {
        PRINTF("RPL: Failed to add a new parent (");
        PRINT6ADDR(from);
        PRINTF(")\n");
        return;
      }
      PRINTF("RPL: New candidate parent with rank %u: ", (unsigned)p->rank);
//.........这里部分代码省略.........

开发者ID:Johnyren，项目名称:orpl，代码行数:101，代码来源:rpl-dag.c

示例18: rpl_process_dio

/*---------------------------------------------------------------------------*/
void
rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio, int mobility)
{
  rpl_instance_t *instance;
  rpl_dag_t *dag, *previous_dag;
  rpl_parent_t *p, *previous_preferred;
  uint32_t current_t;

  PRINTF("processing DIO from %u\n", from->u8[15]);
  if(dio->mop != RPL_MOP_DEFAULT) {
    PRINTF("RPL: Ignoring a DIO with an unsupported MOP: %d\n", dio->mop);
    return;
  }

  dag = get_dag(dio->instance_id, &dio->dag_id);
  instance = rpl_get_instance(dio->instance_id);
  previous_preferred = dag->preferred_parent;

  if(dag != NULL && instance != NULL) {
    if(lollipop_greater_than(dio->version, dag->version)) {
      if(dag->rank == ROOT_RANK(instance)) {
        PRINTF("RPL: Root received inconsistent DIO version number\n");
        dag->version = dio->version;
        RPL_LOLLIPOP_INCREMENT(dag->version);
        rpl_reset_dio_timer(instance);
      } else {
        PRINTF("RPL: Global Repair\n");
        if(dio->prefix_info.length != 0) {
          if(dio->prefix_info.flags & UIP_ND6_RA_FLAG_AUTONOMOUS) {
            PRINTF("RPL : Prefix announced in DIO\n");
            rpl_set_prefix(dag, &dio->prefix_info.prefix,
                           dio->prefix_info.length);
          }
        }
        global_repair(from, dag, dio);
      }
      return;
    }

    if(lollipop_greater_than(dag->version, dio->version)) {
      /* The DIO sender is on an older version of the DAG. */
      PRINTF("RPL: old version received => inconsistency detected\n");
      if(dag->joined) {
        rpl_reset_dio_timer(instance);
        return;
      }
    }
  }

  if(instance == NULL) {
    PRINTF("RPL: New instance detected: Joining...\n");
    rpl_join_instance(from, dio);
    return;
  }

  if(instance->current_dag->rank == ROOT_RANK(instance)
     && instance->current_dag != dag) {
    PRINTF("RPL: Root ignored DIO for different DAG\n");
    return;
  }

  if(dag == NULL) {
    PRINTF("RPL: Adding new DAG to known instance.\n");
    rpl_add_dag(from, dio);
    return;
  }

  if(dio->rank < ROOT_RANK(instance)) {
    PRINTF("RPL: Ignoring DIO with too low rank: %u\n", (unsigned)dio->rank);
    return;
  } else if(dio->rank == INFINITE_RANK && dag->joined) {
    rpl_reset_dio_timer(instance);
  }

  /* Prefix Information Option treated to add new prefix */
  if(dio->prefix_info.length != 0) {
    if(dio->prefix_info.flags & UIP_ND6_RA_FLAG_AUTONOMOUS) {
      PRINTF("RPL : Prefix announced in DIO\n");
      rpl_set_prefix(dag, &dio->prefix_info.prefix, dio->prefix_info.length);
    }
  }

  if(dag->rank == ROOT_RANK(instance)) {
    if(dio->rank != INFINITE_RANK) {
      instance->dio_counter++;
    }
    return;
  }

  /*
   * At this point, we know that this DIO pertains to a DAG that
   * we are already part of. We consider the sender of the DIO to be
   * a candidate parent, and let rpl_process_parent_event decide
   * whether to keep it in the set.
   */

  p = rpl_find_parent(dag, from);
  if(p == NULL) {
    previous_dag = find_parent_dag(instance, from);
//.........这里部分代码省略.........

开发者ID:jiangxianliang，项目名称:smart-HOP，代码行数:101，代码来源:rpl-dag.c

示例19: join_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");
  }
}

开发者ID:lepton-distribution，项目名称:lepton-root.scions，代码行数:94，代码来源:rpl-dag.c

示例20: rpl_verify_header

int
rpl_verify_header(int uip_ext_opt_offset)
{
  rpl_instance_t *instance;
  int down;
  uint8_t sender_closer;
  uip_ds6_route_t *route;

  if(UIP_EXT_HDR_OPT_RPL_BUF->opt_len != RPL_HDR_OPT_LEN) {
    PRINTF("RPL: Bad header option! (wrong length)\n");
    return 1;
  }

  instance = rpl_get_instance(UIP_EXT_HDR_OPT_RPL_BUF->instance);
  if(instance == NULL) {
    PRINTF("RPL: Unknown instance: %u\n",
           UIP_EXT_HDR_OPT_RPL_BUF->instance);
    return 1;
  }

  if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_FWD_ERR) {
    PRINTF("RPL: Forward error!\n");
    /* We should try to repair it by removing the neighbor that caused
       the packet to be forwareded in the first place. We drop any
       routes that go through the neighbor that sent the packet to
       us. */
    route = uip_ds6_route_lookup(&UIP_IP_BUF->destipaddr);
    if(route != NULL) {
      uip_ds6_route_rm(route);

      /* If we are the root and just needed to remove a DAO route,
         chances are that the network needs to be repaired. The
         rpl_repair_root() function will cause a global repair if we
         happen to be the root node of the dag. */
      PRINTF("RPL: initiate global repair\n");
      rpl_repair_root(instance->instance_id);
    }

    /* Remove the forwarding error flag and return 0 to let the packet
       be forwarded again. */
    UIP_EXT_HDR_OPT_RPL_BUF->flags &= ~RPL_HDR_OPT_FWD_ERR;
    return 0;
  }

  if(!instance->current_dag->joined) {
    PRINTF("RPL: No DAG in the instance\n");
    return 1;
  }

  down = 0;
  if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_DOWN) {
    down = 1;
  }

  sender_closer = UIP_EXT_HDR_OPT_RPL_BUF->senderrank < instance->current_dag->rank;

  PRINTF("RPL: Packet going %s, sender closer %d (%d < %d)\n", down == 1 ? "down" : "up",
	 sender_closer,
	 UIP_EXT_HDR_OPT_RPL_BUF->senderrank,
	 instance->current_dag->rank
	 );

  if((down && !sender_closer) || (!down && sender_closer)) {
    PRINTF("RPL: Loop detected - senderrank: %d my-rank: %d sender_closer: %d\n",
	   UIP_EXT_HDR_OPT_RPL_BUF->senderrank, instance->current_dag->rank,
	   sender_closer);
    if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_RANK_ERR) {
      PRINTF("RPL: Rank error signalled in RPL option!\n");
      /* We should try to repair it, not implemented for the moment */
      rpl_reset_dio_timer(instance);
      /* Forward the packet anyway. */
      return 0;
    }
    PRINTF("RPL: Single error tolerated\n");
    UIP_EXT_HDR_OPT_RPL_BUF->flags |= RPL_HDR_OPT_RANK_ERR;
    return 0;
  }

  PRINTF("RPL: Rank OK\n");

  return 0;
}

开发者ID:Adimpression，项目名称:contiki，代码行数:82，代码来源:rpl-ext-header.c

注：本文中的rpl_reset_dio_timer函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ rpl_reset_dio_timer函数代码示例

示例1: global_repair

示例2: rpl_local_repair

示例3: rpl_select_parent

示例4: rpl_local_repair

示例5: rpl_set_root

示例6: rpl_repair_dag

示例7: rpl_repair_root

示例8: rpl_local_repair

示例9: rpl_repair_root

示例10: rpl_select_parent

示例11: rpl_process_parent_event

示例12: rpl_set_root

示例13: rpl_verify_header

示例14: rpl_join_instance

示例15: rpl_process_dio

示例16: tcpip_ipv6_output

示例17: rpl_process_dio

示例18: rpl_process_dio

示例19: join_dag

示例20: rpl_verify_header

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