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    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 */