ospf6_neighbor.c

linux 路由软件 可支持RIP OSPF BGP等

  for (lsa = ospf6_lsdb_head (on->retrans_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    {
      ospf6_decrement_retrans_count (lsa);
      ospf6_lsdb_remove (lsa, on->retrans_list);
    }

  THREAD_OFF (on->thread_send_dbdesc);
  on->thread_send_dbdesc =
    thread_add_event (master, ospf6_dbdesc_send, on, 0);

  return 0;
}

int
oneway_received (struct thread *thread)
{
  struct ospf6_neighbor *on;
  struct ospf6_lsa *lsa;

  on = (struct ospf6_neighbor *) THREAD_ARG (thread);
  assert (on);

  if (on->state < OSPF6_NEIGHBOR_TWOWAY)
    return 0;

  if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
    zlog_info ("Neighbor Event %s: *1Way-Received*", on->name);

  ospf6_neighbor_state_change (OSPF6_NEIGHBOR_INIT, on);
  thread_add_event (master, neighbor_change, on->ospf6_if, 0);

  ospf6_lsdb_remove_all (on->summary_list);
  ospf6_lsdb_remove_all (on->request_list);
  for (lsa = ospf6_lsdb_head (on->retrans_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    {
      ospf6_decrement_retrans_count (lsa);
      ospf6_lsdb_remove (lsa, on->retrans_list);
    }

  THREAD_OFF (on->thread_send_dbdesc);
  THREAD_OFF (on->thread_send_lsreq);
  THREAD_OFF (on->thread_send_lsupdate);
  THREAD_OFF (on->thread_send_lsack);

  return 0;
}

int
inactivity_timer (struct thread *thread)
{
  struct ospf6_neighbor *on;

  on = (struct ospf6_neighbor *) THREAD_ARG (thread);
  assert (on);

  if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
    zlog_info ("Neighbor Event %s: *InactivityTimer*", on->name);

  on->inactivity_timer = NULL;
  on->drouter = on->prev_drouter = 0;
  on->bdrouter = on->prev_bdrouter = 0;

  ospf6_neighbor_state_change (OSPF6_NEIGHBOR_DOWN, on);
  thread_add_event (master, neighbor_change, on->ospf6_if, 0);

  listnode_delete (on->ospf6_if->neighbor_list, on);
  ospf6_neighbor_delete (on);

  return 0;
}



/* vty functions */
/* show neighbor structure */
void
ospf6_neighbor_show (struct vty *vty, struct ospf6_neighbor *on)
{
  char router_id[16];
  char duration[16];
  struct timeval now, res;
  char nstate[16];
  char deadtime[16];
  long h, m, s;

  /* Router-ID (Name) */
  inet_ntop (AF_INET, &on->router_id, router_id, sizeof (router_id));
#ifdef HAVE_GETNAMEINFO
  {
  }
#endif /*HAVE_GETNAMEINFO*/

  gettimeofday (&now, NULL);

  /* Dead time */
  h = m = s = 0;
  if (on->inactivity_timer)
    {
      s = on->inactivity_timer->u.sands.tv_sec - now.tv_sec;
      h = s / 3600;
      s -= h * 3600;
      m = s / 60;
      s -= m * 60;
    }
  snprintf (deadtime, sizeof (deadtime), "%02ld:%02ld:%02ld", h, m, s);

  /* Neighbor State */
  if (if_is_pointopoint (on->ospf6_if->interface))
    snprintf (nstate, sizeof (nstate), "PointToPoint");
  else
    {
      if (on->router_id == on->drouter)
        snprintf (nstate, sizeof (nstate), "DR");
      else if (on->router_id == on->bdrouter)
        snprintf (nstate, sizeof (nstate), "BDR");
      else
        snprintf (nstate, sizeof (nstate), "DROther");
    }

  /* Duration */
  timersub (&now, &on->last_changed, &res);
  timerstring (&res, duration, sizeof (duration));

  /*
  vty_out (vty, "%-15s %3d %11s %6s/%-12s %11s %s[%s]%s",
           "Neighbor ID", "Pri", "DeadTime", "State", "", "Duration",
           "I/F", "State", VNL);
  */

  vty_out (vty, "%-15s %3d %11s %6s/%-12s %11s %s[%s]%s",
           router_id, on->priority, deadtime,
           ospf6_neighbor_state_str[on->state], nstate, duration,
           on->ospf6_if->interface->name,
           ospf6_interface_state_str[on->ospf6_if->state], VNL);
}

void
ospf6_neighbor_show_drchoice (struct vty *vty, struct ospf6_neighbor *on)
{
  char router_id[16];
  char drouter[16], bdrouter[16];
  char duration[16];
  struct timeval now, res;

/*
    vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s",
             "RouterID", "State", "Duration", "DR", "BDR", "I/F",
             "State", VNL);
*/

  inet_ntop (AF_INET, &on->router_id, router_id, sizeof (router_id));
  inet_ntop (AF_INET, &on->drouter, drouter, sizeof (drouter));
  inet_ntop (AF_INET, &on->bdrouter, bdrouter, sizeof (bdrouter));

  gettimeofday (&now, NULL);
  timersub (&now, &on->last_changed, &res);
  timerstring (&res, duration, sizeof (duration));

  vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s",
           router_id, ospf6_neighbor_state_str[on->state],
           duration, drouter, bdrouter, on->ospf6_if->interface->name,
           ospf6_interface_state_str[on->ospf6_if->state],
           VNL);
}

void
ospf6_neighbor_show_detail (struct vty *vty, struct ospf6_neighbor *on)
{
  char drouter[16], bdrouter[16];
  char linklocal_addr[64], duration[32];
  struct timeval now, res;
  struct ospf6_lsa *lsa;

  inet_ntop (AF_INET6, &on->linklocal_addr, linklocal_addr,
             sizeof (linklocal_addr));
  inet_ntop (AF_INET, &on->drouter, drouter, sizeof (drouter));
  inet_ntop (AF_INET, &on->bdrouter, bdrouter, sizeof (bdrouter));

  gettimeofday (&now, NULL);
  timersub (&now, &on->last_changed, &res);
  timerstring (&res, duration, sizeof (duration));

  vty_out (vty, " Neighbor %s%s", on->name,
           VNL);
  vty_out (vty, "    Area %s via interface %s (ifindex %d)%s",
           on->ospf6_if->area->name,
           on->ospf6_if->interface->name,
           on->ospf6_if->interface->ifindex,
           VNL);
  vty_out (vty, "    His IfIndex: %d Link-local address: %s%s",
           on->ifindex, linklocal_addr,
           VNL);
  vty_out (vty, "    State %s for a duration of %s%s",
           ospf6_neighbor_state_str[on->state], duration,
           VNL);
  vty_out (vty, "    His choice of DR/BDR %s/%s, Priority %d%s",
           drouter, bdrouter, on->priority,
           VNL);
  vty_out (vty, "    DbDesc status: %s%s%s SeqNum: %#lx%s",
           (CHECK_FLAG (on->dbdesc_bits, OSPF6_DBDESC_IBIT) ? "Initial " : ""),
           (CHECK_FLAG (on->dbdesc_bits, OSPF6_DBDESC_MBIT) ? "More " : ""),
           (CHECK_FLAG (on->dbdesc_bits, OSPF6_DBDESC_MSBIT) ?
            "Master" : "Slave"), (u_long) ntohl (on->dbdesc_seqnum),
           VNL);

  vty_out (vty, "    Summary-List: %d LSAs%s", on->summary_list->count,
           VNL);
  for (lsa = ospf6_lsdb_head (on->summary_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    vty_out (vty, "      %s%s", lsa->name, VNL);

  vty_out (vty, "    Request-List: %d LSAs%s", on->request_list->count,
           VNL);
  for (lsa = ospf6_lsdb_head (on->request_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    vty_out (vty, "      %s%s", lsa->name, VNL);

  vty_out (vty, "    Retrans-List: %d LSAs%s", on->retrans_list->count,
           VNL);
  for (lsa = ospf6_lsdb_head (on->retrans_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    vty_out (vty, "      %s%s", lsa->name, VNL);

  timerclear (&res);
  if (on->thread_send_dbdesc)
    timersub (&on->thread_send_dbdesc->u.sands, &now, &res);
  timerstring (&res, duration, sizeof (duration));
  vty_out (vty, "    %d Pending LSAs for DbDesc in Time %s [thread %s]%s",
           on->dbdesc_list->count, duration,
           (on->thread_send_dbdesc ? "on" : "off"),
           VNL);
  for (lsa = ospf6_lsdb_head (on->dbdesc_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    vty_out (vty, "      %s%s", lsa->name, VNL);

  timerclear (&res);
  if (on->thread_send_lsreq)
    timersub (&on->thread_send_lsreq->u.sands, &now, &res);
  timerstring (&res, duration, sizeof (duration));
  vty_out (vty, "    %d Pending LSAs for LSReq in Time %s [thread %s]%s",
           on->lsreq_list->count, duration,
           (on->thread_send_lsreq ? "on" : "off"),
           VNL);
  for (lsa = ospf6_lsdb_head (on->lsreq_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    vty_out (vty, "      %s%s", lsa->name, VNL);

  timerclear (&res);
  if (on->thread_send_lsupdate)
    timersub (&on->thread_send_lsupdate->u.sands, &now, &res);
  timerstring (&res, duration, sizeof (duration));
  vty_out (vty, "    %d Pending LSAs for LSUpdate in Time %s [thread %s]%s",
           on->lsupdate_list->count, duration,
           (on->thread_send_lsupdate ? "on" : "off"),
           VNL);
  for (lsa = ospf6_lsdb_head (on->lsupdate_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    vty_out (vty, "      %s%s", lsa->name, VNL);

  timerclear (&res);
  if (on->thread_send_lsack)
    timersub (&on->thread_send_lsack->u.sands, &now, &res);
  timerstring (&res, duration, sizeof (duration));
  vty_out (vty, "    %d Pending LSAs for LSAck in Time %s [thread %s]%s",
           on->lsack_list->count, duration,
           (on->thread_send_lsack ? "on" : "off"),
           VNL);
  for (lsa = ospf6_lsdb_head (on->lsack_list); lsa;
       lsa = ospf6_lsdb_next (lsa))
    vty_out (vty, "      %s%s", lsa->name, VNL);

}

DEFUN (show_ipv6_ospf6_neighbor,
       show_ipv6_ospf6_neighbor_cmd,
       "show ipv6 ospf6 neighbor",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       "Neighbor list\n"
      )
{
  struct ospf6_neighbor *on;
  struct ospf6_interface *oi;
  struct ospf6_area *oa;
  listnode i, j, k;
  void (*showfunc) (struct vty *, struct ospf6_neighbor *);

  OSPF6_CMD_CHECK_RUNNING ();
  showfunc = ospf6_neighbor_show;

  if (argc)
    {
      if (! strncmp (argv[0], "de", 2))
        showfunc = ospf6_neighbor_show_detail;
      else if (! strncmp (argv[0], "dr", 2))
        showfunc = ospf6_neighbor_show_drchoice;
    }

  if (showfunc == ospf6_neighbor_show)
    vty_out (vty, "%-15s %3s %11s %6s/%-12s %11s %s[%s]%s",
             "Neighbor ID", "Pri", "DeadTime", "State", "IfState", "Duration",
             "I/F", "State", VNL);
  else if (showfunc == ospf6_neighbor_show_drchoice)
    vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s",
             "RouterID", "State", "Duration", "DR", "BDR", "I/F",
             "State", VNL);

  for (i = listhead (ospf6->area_list); i; nextnode (i))
    {
      oa = (struct ospf6_area *) getdata (i);
      for (j = listhead (oa->if_list); j; nextnode (j))
        {
          oi = (struct ospf6_interface *) getdata (j);
          for (k = listhead (oi->neighbor_list); k; nextnode (k))
            {
              on = (struct ospf6_neighbor *) getdata (k);
              (*showfunc) (vty, on);
            }
        }
    }
  return CMD_SUCCESS;
}

ALIAS (show_ipv6_ospf6_neighbor,
       show_ipv6_ospf6_neighbor_detail_cmd,
       "show ipv6 ospf6 neighbor (detail|drchoice)",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       "Neighbor list\n"
       "Display details\n"
       "Display DR choices\n"
      );

DEFUN (show_ipv6_ospf6_neighbor_one,
       show_ipv6_ospf6_neighbor_one_cmd,
       "show ipv6 ospf6 neighbor A.B.C.D",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       "Neighbor list\n"
       "Specify Router-ID as IPv4 address notation\n"
      )
{
  struct ospf6_neighbor *on;
  struct ospf6_interface *oi;
  struct ospf6_area *oa;
  listnode i, j, k;
  void (*showfunc) (struct vty *, struct ospf6_neighbor *);
  u_int32_t router_id;

  OSPF6_CMD_CHECK_RUNNING ();
  showfunc = ospf6_neighbor_show_detail;

  if ((inet_pton (AF_INET, argv[0], &router_id)) != 1)
    {
      vty_out (vty, "Router-ID is not parsable: %s%s", argv[0],
               VNL);
      return CMD_SUCCESS;
    }

  for (i = listhead (ospf6->area_list); i; nextnode (i))
    {
      oa = (struct ospf6_area *) getdata (i);
      for (j = listhead (oa->if_list); j; nextnode (j))
        {
          oi = (struct ospf6_interface *) getdata (j);
          for (k = listhead (oi->neighbor_list); k; nextnode (k))
            {
              on = (struct ospf6_neighbor *) getdata (k);
              if (on->router_id == router_id)
                (*showfunc) (vty, on);
            }
        }
    }
  return CMD_SUCCESS;
}

void
ospf6_neighbor_init ()
{
  install_element (VIEW_NODE, &show_ipv6_ospf6_neighbor_cmd);
  install_element (VIEW_NODE, &show_ipv6_ospf6_neighbor_detail_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_neighbor_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_neighbor_detail_cmd);
}

DEFUN (debug_ospf6_neighbor,
       debug_ospf6_neighbor_cmd,
       "debug ospf6 neighbor",
       DEBUG_STR
       OSPF6_STR
       "Debug OSPFv3 Neighbor\n"
      )
{
  unsigned char level = 0;
  if (argc)
    {
      if (! strncmp (argv[0], "s", 1))
        level = OSPF6_DEBUG_NEIGHBOR_STATE;
      if (! strncmp (argv[0], "e", 1))
        level = OSPF6_DEBUG_NEIGHBOR_EVENT;
    }
  else
    level = OSPF6_DEBUG_NEIGHBOR_STATE | OSPF6_DEBUG_NEIGHBOR_EVENT;

  OSPF6_DEBUG_NEIGHBOR_ON (level);
  return CMD_SUCCESS;
}

ALIAS (debug_ospf6_neighbor,
       debug_ospf6_neighbor_detail_cmd,
       "debug ospf6 neighbor (state|event)",
       DEBUG_STR
       OSPF6_STR
       "Debug OSPFv3 Neighbor\n"
       "Debug OSPFv3 Neighbor State Change\n"
       "Debug OSPFv3 Neighbor Event\n"
      );

DEFUN (no_debug_ospf6_neighbor,
       no_debug_ospf6_neighbor_cmd,
       "no debug ospf6 neighbor",
       NO_STR
       DEBUG_STR
       OSPF6_STR
       "Debug OSPFv3 Neighbor\n"
      )
{
  unsigned char level = 0;
  if (argc)
    {
      if (! strncmp (argv[0], "s", 1))
        level = OSPF6_DEBUG_NEIGHBOR_STATE;
      if (! strncmp (argv[0], "e", 1))
        level = OSPF6_DEBUG_NEIGHBOR_EVENT;
    }
  else
    level = OSPF6_DEBUG_NEIGHBOR_STATE | OSPF6_DEBUG_NEIGHBOR_EVENT;

  OSPF6_DEBUG_NEIGHBOR_OFF (level);
  return CMD_SUCCESS;
}

ALIAS (no_debug_ospf6_neighbor,
       no_debug_ospf6_neighbor_detail_cmd,
       "no debug ospf6 neighbor (state|event)",
       NO_STR
       DEBUG_STR
       OSPF6_STR
       "Debug OSPFv3 Neighbor\n"
       "Debug OSPFv3 Neighbor State Change\n"
       "Debug OSPFv3 Neighbor Event\n"
      );

int
config_write_ospf6_debug_neighbor (struct vty *vty)
{
  if (IS_OSPF6_DEBUG_NEIGHBOR (STATE) &&
      IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
    vty_out (vty, "debug ospf6 neighbor%s", VNL);
  else if (IS_OSPF6_DEBUG_NEIGHBOR (STATE))
    vty_out (vty, "debug ospf6 neighbor state%s", VNL);
  else if (IS_OSPF6_DEBUG_NEIGHBOR (EVENT))
    vty_out (vty, "debug ospf6 neighbor event%s", VNL);
  return 0;
}

void
install_element_ospf6_debug_neighbor ()
{
  install_element (ENABLE_NODE, &debug_ospf6_neighbor_cmd);
  install_element (ENABLE_NODE, &debug_ospf6_neighbor_detail_cmd);
  install_element (ENABLE_NODE, &no_debug_ospf6_neighbor_cmd);
  install_element (ENABLE_NODE, &no_debug_ospf6_neighbor_detail_cmd);
  install_element (CONFIG_NODE, &debug_ospf6_neighbor_cmd);
  install_element (CONFIG_NODE, &debug_ospf6_neighbor_detail_cmd);
  install_element (CONFIG_NODE, &no_debug_ospf6_neighbor_cmd);
  install_element (CONFIG_NODE, &no_debug_ospf6_neighbor_detail_cmd);
}