Annotation of embedaddon/quagga/ospfd/ospf_lsdb.h, revision 1.1
1.1 ! misho 1: /*
! 2: * OSPF LSDB support.
! 3: * Copyright (C) 1999, 2000 Alex Zinin, Kunihiro Ishiguro, Toshiaki Takada
! 4: *
! 5: * This file is part of GNU Zebra.
! 6: *
! 7: * GNU Zebra is free software; you can redistribute it and/or modify it
! 8: * under the terms of the GNU General Public License as published by the
! 9: * Free Software Foundation; either version 2, or (at your option) any
! 10: * later version.
! 11: *
! 12: * GNU Zebra is distributed in the hope that it will be useful, but
! 13: * WITHOUT ANY WARRANTY; without even the implied warranty of
! 14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 15: * General Public License for more details.
! 16: *
! 17: * You should have received a copy of the GNU General Public License
! 18: * along with GNU Zebra; see the file COPYING. If not, write to the Free
! 19: * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
! 20: * 02111-1307, USA.
! 21: */
! 22:
! 23: #ifndef _ZEBRA_OSPF_LSDB_H
! 24: #define _ZEBRA_OSPF_LSDB_H
! 25:
! 26: /* OSPF LSDB structure. */
! 27: struct ospf_lsdb
! 28: {
! 29: struct
! 30: {
! 31: unsigned long count;
! 32: unsigned long count_self;
! 33: unsigned int checksum;
! 34: struct route_table *db;
! 35: } type[OSPF_MAX_LSA];
! 36: unsigned long total;
! 37: #define MONITOR_LSDB_CHANGE 1 /* XXX */
! 38: #ifdef MONITOR_LSDB_CHANGE
! 39: /* Hooks for callback functions to catch every add/del event. */
! 40: int (* new_lsa_hook)(struct ospf_lsa *);
! 41: int (* del_lsa_hook)(struct ospf_lsa *);
! 42: #endif /* MONITOR_LSDB_CHANGE */
! 43: };
! 44:
! 45: /* Macros. */
! 46: #define LSDB_LOOP(T,N,L) \
! 47: if ((T) != NULL) \
! 48: for ((N) = route_top ((T)); ((N)); ((N)) = route_next ((N))) \
! 49: if (((L) = (N)->info))
! 50:
! 51: #define ROUTER_LSDB(A) ((A)->lsdb->type[OSPF_ROUTER_LSA].db)
! 52: #define NETWORK_LSDB(A) ((A)->lsdb->type[OSPF_NETWORK_LSA].db)
! 53: #define SUMMARY_LSDB(A) ((A)->lsdb->type[OSPF_SUMMARY_LSA].db)
! 54: #define ASBR_SUMMARY_LSDB(A) ((A)->lsdb->type[OSPF_ASBR_SUMMARY_LSA].db)
! 55: #define EXTERNAL_LSDB(O) ((O)->lsdb->type[OSPF_AS_EXTERNAL_LSA].db)
! 56: #define NSSA_LSDB(A) ((A)->lsdb->type[OSPF_AS_NSSA_LSA].db)
! 57: #define OPAQUE_LINK_LSDB(A) ((A)->lsdb->type[OSPF_OPAQUE_LINK_LSA].db)
! 58: #define OPAQUE_AREA_LSDB(A) ((A)->lsdb->type[OSPF_OPAQUE_AREA_LSA].db)
! 59: #define OPAQUE_AS_LSDB(O) ((O)->lsdb->type[OSPF_OPAQUE_AS_LSA].db)
! 60:
! 61: #define AREA_LSDB(A,T) ((A)->lsdb->type[(T)].db)
! 62: #define AS_LSDB(O,T) ((O)->lsdb->type[(T)].db)
! 63:
! 64: /* OSPF LSDB related functions. */
! 65: extern struct ospf_lsdb *ospf_lsdb_new (void);
! 66: extern void ospf_lsdb_init (struct ospf_lsdb *);
! 67: extern void ospf_lsdb_free (struct ospf_lsdb *);
! 68: extern void ospf_lsdb_cleanup (struct ospf_lsdb *);
! 69: extern void ospf_lsdb_add (struct ospf_lsdb *, struct ospf_lsa *);
! 70: extern void ospf_lsdb_delete (struct ospf_lsdb *, struct ospf_lsa *);
! 71: extern void ospf_lsdb_delete_all (struct ospf_lsdb *);
! 72: /* Set all stats to -1 (LSA_SPF_NOT_EXPLORED). */
! 73: extern void ospf_lsdb_clean_stat (struct ospf_lsdb *lsdb);
! 74: extern struct ospf_lsa *ospf_lsdb_lookup (struct ospf_lsdb *, struct ospf_lsa *);
! 75: extern struct ospf_lsa *ospf_lsdb_lookup_by_id (struct ospf_lsdb *, u_char,
! 76: struct in_addr, struct in_addr);
! 77: extern struct ospf_lsa *ospf_lsdb_lookup_by_id_next (struct ospf_lsdb *, u_char,
! 78: struct in_addr, struct in_addr,
! 79: int);
! 80: extern unsigned long ospf_lsdb_count_all (struct ospf_lsdb *);
! 81: extern unsigned long ospf_lsdb_count (struct ospf_lsdb *, int);
! 82: extern unsigned long ospf_lsdb_count_self (struct ospf_lsdb *, int);
! 83: extern unsigned int ospf_lsdb_checksum (struct ospf_lsdb *, int);
! 84: extern unsigned long ospf_lsdb_isempty (struct ospf_lsdb *);
! 85:
! 86: #endif /* _ZEBRA_OSPF_LSDB_H */
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