ospf6_top.c

linux 路由软件 可支持RIP OSPF BGP等

      vty_out (vty, "%s already attached to Area %s%s",
               oi->interface->name, oi->area->name, VNL);
      return CMD_SUCCESS;
    }

  /* parse Area-ID */
  if (inet_pton (AF_INET, argv[1], &area_id) != 1)
    {
      vty_out (vty, "Invalid Area-ID: %s%s", argv[1], VNL);
      return CMD_SUCCESS;
    }

  /* find/create ospf6 area */
  oa = ospf6_area_lookup (area_id, o);
  if (oa == NULL)
    oa = ospf6_area_create (area_id, o);

  /* attach interface to area */
  listnode_add (oa->if_list, oi); /* sort ?? */
  oi->area = oa;

  SET_FLAG (oa->flag, OSPF6_AREA_ENABLE);

  /* start up */
  thread_add_event (master, interface_up, oi, 0);

  /* If the router is ABR, originate summary routes */
  if (ospf6_is_router_abr (o))
    ospf6_abr_enable_area (oa);

  return CMD_SUCCESS;
}

DEFUN (no_ospf6_interface_area,
       no_ospf6_interface_area_cmd,
       "no interface IFNAME area A.B.C.D",
       NO_STR
       "Disable routing on an IPv6 interface\n"
       IFNAME_STR
       "Specify the OSPF6 area ID\n"
       "OSPF6 area ID in IPv4 address notation\n"
       )
{
  struct ospf6 *o;
  struct ospf6_interface *oi;
  struct ospf6_area *oa;
  struct interface *ifp;
  u_int32_t area_id;

  o = (struct ospf6 *) vty->index;

  ifp = if_lookup_by_name (argv[0]);
  if (ifp == NULL)
    {
      vty_out (vty, "No such interface %s%s", argv[0], VNL);
      return CMD_SUCCESS;
    }

  oi = (struct ospf6_interface *) ifp->info;
  if (oi == NULL)
    {
      vty_out (vty, "Interface %s not enabled%s", ifp->name, VNL);
      return CMD_SUCCESS;
    }

  /* parse Area-ID */
  if (inet_pton (AF_INET, argv[1], &area_id) != 1)
    {
      vty_out (vty, "Invalid Area-ID: %s%s", argv[1], VNL);
      return CMD_SUCCESS;
    }

  if (oi->area->area_id != area_id)
    {
      vty_out (vty, "Wrong Area-ID: %s is attached to area %s%s",
               oi->interface->name, oi->area->name, VNL);
      return CMD_SUCCESS;
    }

  thread_execute (master, interface_down, oi, 0);

  oa = oi->area;
  listnode_delete (oi->area->if_list, oi);
  oi->area = (struct ospf6_area *) NULL;

  /* Withdraw inter-area routes from this area, if necessary */
  if (oa->if_list->count == 0)
    {
      UNSET_FLAG (oa->flag, OSPF6_AREA_ENABLE);
      ospf6_abr_disable_area (oa);
    }

  return CMD_SUCCESS;
}

void
ospf6_show (struct vty *vty, struct ospf6 *o)
{
  listnode n;
  struct ospf6_area *oa;
  char router_id[16], duration[32];
  struct timeval now, running;

  /* process id, router id */
  inet_ntop (AF_INET, &o->router_id, router_id, sizeof (router_id));
  vty_out (vty, " OSPFv3 Routing Process (0) with Router-ID %s%s",
           router_id, VNL);

  /* running time */
  gettimeofday (&now, (struct timezone *)NULL);
  timersub (&now, &o->starttime, &running);
  timerstring (&running, duration, sizeof (duration));
  vty_out (vty, " Running %s%s", duration, VNL);

  /* Redistribute configuration */
  /* XXX */

  /* LSAs */
  vty_out (vty, " Number of AS scoped LSAs is %u%s",
           o->lsdb->count, VNL);

  /* Areas */
  vty_out (vty, " Number of areas in this router is %u%s",
           listcount (o->area_list), VNL);
  for (n = listhead (o->area_list); n; nextnode (n))
    {
      oa = (struct ospf6_area *) getdata (n);
      ospf6_area_show (vty, oa);
    }
}

/* show top level structures */
DEFUN (show_ipv6_ospf6,
       show_ipv6_ospf6_cmd,
       "show ipv6 ospf6",
       SHOW_STR
       IP6_STR
       OSPF6_STR)
{
  OSPF6_CMD_CHECK_RUNNING ();

  ospf6_show (vty, ospf6);
  return CMD_SUCCESS;
}

DEFUN (show_ipv6_ospf6_route,
       show_ipv6_ospf6_route_cmd,
       "show ipv6 ospf6 route",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       ROUTE_STR
       )
{
  ospf6_route_table_show (vty, argc, argv, ospf6->route_table);
  return CMD_SUCCESS;
}

ALIAS (show_ipv6_ospf6_route,
       show_ipv6_ospf6_route_detail_cmd,
       "show ipv6 ospf6 route (X:X::X:X|X:X::X:X/M|detail|summary)",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       ROUTE_STR
       "Specify IPv6 address\n"
       "Specify IPv6 prefix\n"
       "Detailed information\n"
       "Summary of route table\n"
       );

DEFUN (show_ipv6_ospf6_route_match,
       show_ipv6_ospf6_route_match_cmd,
       "show ipv6 ospf6 route X:X::X:X/M match",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       ROUTE_STR
       "Specify IPv6 prefix\n"
       "Display routes which match the specified route\n"
       )
{
  char *sargv[CMD_ARGC_MAX];
  int i, sargc;

  /* copy argv to sargv and then append "match" */
  for (i = 0; i < argc; i++)
    sargv[i] = argv[i];
  sargc = argc;
  sargv[sargc++] = "match";
  sargv[sargc] = NULL;

  ospf6_route_table_show (vty, sargc, sargv, ospf6->route_table);
  return CMD_SUCCESS;
}

DEFUN (show_ipv6_ospf6_route_match_detail,
       show_ipv6_ospf6_route_match_detail_cmd,
       "show ipv6 ospf6 route X:X::X:X/M match detail",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       ROUTE_STR
       "Specify IPv6 prefix\n"
       "Display routes which match the specified route\n"
       "Detailed information\n"
       )
{
  char *sargv[CMD_ARGC_MAX];
  int i, sargc;

  /* copy argv to sargv and then append "match" and "detail" */
  for (i = 0; i < argc; i++)
    sargv[i] = argv[i];
  sargc = argc;
  sargv[sargc++] = "match";
  sargv[sargc++] = "detail";
  sargv[sargc] = NULL;

  ospf6_route_table_show (vty, sargc, sargv, ospf6->route_table);
  return CMD_SUCCESS;
}

ALIAS (show_ipv6_ospf6_route,
       show_ipv6_ospf6_route_type_cmd,
       "show ipv6 ospf6 route (intra-area|inter-area|external-1|external-2)",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       ROUTE_STR
       "Dispaly Intra-Area routes\n"
       "Dispaly Inter-Area routes\n"
       "Dispaly Type-1 External routes\n"
       "Dispaly Type-2 External routes\n"
       );

DEFUN (show_ipv6_ospf6_route_type_detail,
       show_ipv6_ospf6_route_type_detail_cmd,
       "show ipv6 ospf6 route (intra-area|inter-area|external-1|external-2) detail",
       SHOW_STR
       IP6_STR
       OSPF6_STR
       ROUTE_STR
       "Dispaly Intra-Area routes\n"
       "Dispaly Inter-Area routes\n"
       "Dispaly Type-1 External routes\n"
       "Dispaly Type-2 External routes\n"
       "Detailed information\n"
       )
{
  char *sargv[CMD_ARGC_MAX];
  int i, sargc;

  /* copy argv to sargv and then append "detail" */
  for (i = 0; i < argc; i++)
    sargv[i] = argv[i];
  sargc = argc;
  sargv[sargc++] = "detail";
  sargv[sargc] = NULL;

  ospf6_route_table_show (vty, sargc, sargv, ospf6->route_table);
  return CMD_SUCCESS;
}

/* OSPF configuration write function. */
int
config_write_ospf6 (struct vty *vty)
{
  char router_id[16];
  listnode j, k;
  struct ospf6_area *oa;
  struct ospf6_interface *oi;

  /* OSPFv6 configuration. */
  if (ospf6 == NULL)
    return CMD_SUCCESS;
  if (CHECK_FLAG (ospf6->flag, OSPF6_DISABLED))
    return CMD_SUCCESS;

  inet_ntop (AF_INET, &ospf6->router_id, router_id, sizeof (router_id));
  vty_out (vty, "router ospf6%s", VNL);
  vty_out (vty, " router-id %s%s", router_id, VNL);

  ospf6_redistribute_config_write (vty);
  ospf6_area_config_write (vty);

  for (j = listhead (ospf6->area_list); j; nextnode (j))
    {
      oa = (struct ospf6_area *) getdata (j);
      for (k = listhead (oa->if_list); k; nextnode (k))
        {
          oi = (struct ospf6_interface *) getdata (k);
          vty_out (vty, " interface %s area %s%s",
                   oi->interface->name, oa->name, VNL);
        }
    }
  vty_out (vty, "!%s", VNL);
  return 0;
}

/* OSPF6 node structure. */
struct cmd_node ospf6_node =
{
  OSPF6_NODE,
  "%s(config-ospf6)# ",
  1 /* VTYSH */
};

/* Install ospf related commands. */
void
ospf6_top_init ()
{
  /* Install ospf6 top node. */
  install_node (&ospf6_node, config_write_ospf6);

  install_element (VIEW_NODE, &show_ipv6_ospf6_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_cmd);
  install_element (CONFIG_NODE, &router_ospf6_cmd);

  install_element (VIEW_NODE, &show_ipv6_ospf6_route_cmd);
  install_element (VIEW_NODE, &show_ipv6_ospf6_route_detail_cmd);
  install_element (VIEW_NODE, &show_ipv6_ospf6_route_match_cmd);
  install_element (VIEW_NODE, &show_ipv6_ospf6_route_match_detail_cmd);
  install_element (VIEW_NODE, &show_ipv6_ospf6_route_type_cmd);
  install_element (VIEW_NODE, &show_ipv6_ospf6_route_type_detail_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_route_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_route_detail_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_route_match_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_route_match_detail_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_route_type_cmd);
  install_element (ENABLE_NODE, &show_ipv6_ospf6_route_type_detail_cmd);

  install_default (OSPF6_NODE);
  install_element (OSPF6_NODE, &ospf6_router_id_cmd);
  install_element (OSPF6_NODE, &ospf6_interface_area_cmd);
  install_element (OSPF6_NODE, &no_ospf6_interface_area_cmd);
  install_element (OSPF6_NODE, &no_router_ospf6_cmd);
}