ospf6d/ospf6_lsdb.h

   1 /*
   2  * Copyright (C) 2003 Yasuhiro Ohara
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GNU Zebra; see the file COPYING.  If not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef OSPF6_LSDB_H
  23 #define OSPF6_LSDB_H
  24
  25 #include "prefix.h"
  26 #include "table.h"
  27
  28 struct ospf6_lsdb
  29 {
  30   void *data; /* data structure that holds this lsdb */
  31   struct route_table *table;
  32   u_int32_t count;
  33   void (*hook_add) (struct ospf6_lsa *);
  34   void (*hook_remove) (struct ospf6_lsa *);
  35 };
  36
  37 #define OSPF6_LSDB_MAXAGE_REMOVER(lsdb)                                  \
  38   do {                                                                   \
  39     struct ospf6_lsa *lsa;                                               \
  40     for (lsa = ospf6_lsdb_head (lsdb); lsa; lsa = ospf6_lsdb_next (lsa)) \
  41       {                                                                  \
  42         if (! OSPF6_LSA_IS_MAXAGE (lsa))                                 \
  43           continue;                                                      \
  44         if (lsa->retrans_count != 0)                                     \
  45           continue;                                                      \
  46         if (IS_OSPF6_DEBUG_LSA_TYPE (lsa->header->type))                 \
  47           zlog_debug ("Remove MaxAge %s", lsa->name);                    \
  48         ospf6_lsdb_remove (lsa, lsdb);                                   \
  49       }                                                                  \
  50   } while (0)
  51
  52 /* Function Prototypes */
  53 extern struct ospf6_lsdb *ospf6_lsdb_create (void *data);
  54 extern void ospf6_lsdb_delete (struct ospf6_lsdb *lsdb);
  55
  56 extern struct ospf6_lsa *ospf6_lsdb_lookup (u_int16_t type, u_int32_t id,
  57                                             u_int32_t adv_router,
  58                                             struct ospf6_lsdb *lsdb);
  59 extern struct ospf6_lsa *ospf6_lsdb_lookup_next (u_int16_t type, u_int32_t id,
  60                                                  u_int32_t adv_router,
  61                                                  struct ospf6_lsdb *lsdb);
  62
  63 extern void ospf6_lsdb_add (struct ospf6_lsa *lsa, struct ospf6_lsdb *lsdb);
  64 extern void ospf6_lsdb_remove (struct ospf6_lsa *lsa, struct ospf6_lsdb *lsdb);
  65
  66 extern struct ospf6_lsa *ospf6_lsdb_head (struct ospf6_lsdb *lsdb);
  67 extern struct ospf6_lsa *ospf6_lsdb_next (struct ospf6_lsa *lsa);
  68
  69 extern struct ospf6_lsa *ospf6_lsdb_type_router_head (u_int16_t type,
  70                                                u_int32_t adv_router,
  71                                                struct ospf6_lsdb *lsdb);
  72 extern struct ospf6_lsa *ospf6_lsdb_type_router_next (u_int16_t type,
  73                                                u_int32_t adv_router,
  74                                                struct ospf6_lsa *lsa);
  75
  76 extern struct ospf6_lsa *ospf6_lsdb_type_head (u_int16_t type,
  77                                                struct ospf6_lsdb *lsdb);
  78 extern struct ospf6_lsa *ospf6_lsdb_type_next (u_int16_t type,
  79                                                struct ospf6_lsa *lsa);
  80
  81 extern void ospf6_lsdb_remove_all (struct ospf6_lsdb *lsdb);
  82
  83 #define OSPF6_LSDB_SHOW_LEVEL_NORMAL   0
  84 #define OSPF6_LSDB_SHOW_LEVEL_DETAIL   1
  85 #define OSPF6_LSDB_SHOW_LEVEL_INTERNAL 2
  86 #define OSPF6_LSDB_SHOW_LEVEL_DUMP     3
  87
  88 extern void ospf6_lsdb_show (struct vty *vty, int level, u_int16_t *type,
  89                              u_int32_t *id, u_int32_t *adv_router,
  90                              struct ospf6_lsdb *lsdb);
  91
  92 extern u_int32_t ospf6_new_ls_id (u_int16_t type, u_int32_t adv_router,
  93                                   struct ospf6_lsdb *lsdb);
  94 extern u_int32_t ospf6_new_ls_seqnum (u_int16_t type, u_int32_t id,
  95                                       u_int32_t adv_router,
  96                                       struct ospf6_lsdb *lsdb);
  97
  98 #endif /* OSPF6_LSDB_H */