Ejemplos de ospf_dr_change en C++ (Cpp)

Ejemplo n.º 1

Archivo: ospf_ism.c Proyecto: inet-framework/inet-quagga

int
ospf_dr_election (struct ospf_interface *oi)
{
  struct in_addr old_dr, old_bdr;
  int old_state, new_state;
  struct list *el_list;
  struct ospf_neighbor *dr, *bdr;

  /* backup current values. */
  old_dr = DR (oi);
  old_bdr = BDR (oi);
  old_state = oi->state;

  el_list = list_new ();

  /* List eligible routers. */
  ospf_dr_eligible_routers (oi->nbrs, el_list);

  /* First election of DR and BDR. */
  bdr = ospf_elect_bdr (oi, el_list);
  dr = ospf_elect_dr (oi, el_list);

  new_state = ospf_ism_state (oi);

  zlog_info ("DR-Election[1st]: Backup %s", inet_ntoa (BDR (oi)));
  zlog_info ("DR-Election[1st]: DR     %s", inet_ntoa (DR (oi)));

  if (new_state != old_state &&
      !(new_state == ISM_DROther && old_state < ISM_DROther))
    {
      ospf_elect_bdr (oi, el_list);
      ospf_elect_dr (oi, el_list); 

      new_state = ospf_ism_state (oi);

      zlog_info ("DR-Election[2nd]: Backup %s", inet_ntoa (BDR (oi)));
      zlog_info ("DR-Election[2nd]: DR     %s", inet_ntoa (DR (oi)));
    }

  list_delete (el_list);

  /* if DR or BDR changes, cause AdjOK? neighbor event. */
  if (!IPV4_ADDR_SAME (&old_dr, &DR (oi)) ||
      !IPV4_ADDR_SAME (&old_bdr, &BDR (oi)))
    ospf_dr_change (oi->ospf, oi->nbrs);

  if (oi->type == OSPF_IFTYPE_BROADCAST || oi->type == OSPF_IFTYPE_POINTOPOINT)
    {
      /* Multicast group change. */
      if ((old_state != ISM_DR && old_state != ISM_Backup) &&
	  (new_state == ISM_DR || new_state == ISM_Backup))
	ospf_if_add_alldrouters (oi->ospf, oi->address, oi->ifp->ifindex);
      else if ((old_state == ISM_DR || old_state == ISM_Backup) &&
	       (new_state != ISM_DR && new_state != ISM_Backup))
	ospf_if_drop_alldrouters (oi->ospf, oi->address, oi->ifp->ifindex);
    }

  return new_state;
}

Ejemplo n.º 2

Archivo: ospf_ism.c Proyecto: Quagga/people-balajig

static int
ospf_dr_election (struct ospf_interface *oi)
{
  struct in_addr old_dr, old_bdr;
  int old_state, new_state;
  struct list *el_list;
  struct ospf_neighbor *dr, *bdr;

  /* backup current values. */
  old_dr = DR (oi);
  old_bdr = BDR (oi);
  old_state = oi->state;

  el_list = list_new ();

  /* List eligible routers. */
  ospf_dr_eligible_routers (oi->nbrs, el_list);

  /* First election of DR and BDR. */
  bdr = ospf_elect_bdr (oi, el_list);
  dr = ospf_elect_dr (oi, el_list);

  new_state = ospf_ism_state (oi);

  zlog_info ("DR-Election[1st]: Backup %s", inet_ntoa (BDR (oi)));
  zlog_info ("DR-Election[1st]: DR     %s", inet_ntoa (DR (oi)));

  if (new_state != old_state &&
      !(new_state == ISM_DROther && old_state < ISM_DROther))
    {
      ospf_elect_bdr (oi, el_list);
      ospf_elect_dr (oi, el_list); 

      new_state = ospf_ism_state (oi);

      zlog_info ("DR-Election[2nd]: Backup %s", inet_ntoa (BDR (oi)));
      zlog_info ("DR-Election[2nd]: DR     %s", inet_ntoa (DR (oi)));
    }

  list_delete (el_list);

  /* if DR or BDR changes, cause AdjOK? neighbor event. */
  if (!IPV4_ADDR_SAME (&old_dr, &DR (oi)) ||
      !IPV4_ADDR_SAME (&old_bdr, &BDR (oi)))
    ospf_dr_change (oi->ospf, oi->nbrs);

  return new_state;
}