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Annotation of embedaddon/quagga/lib/table.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Routing Table
        !             3:  * Copyright (C) 1998 Kunihiro Ishiguro
        !             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_TABLE_H
        !            24: #define _ZEBRA_TABLE_H
        !            25: 
        !            26: /* Routing table top structure. */
        !            27: struct route_table
        !            28: {
        !            29:   struct route_node *top;
        !            30: };
        !            31: 
        !            32: /* Each routing entry. */
        !            33: struct route_node
        !            34: {
        !            35:   /* Actual prefix of this radix. */
        !            36:   struct prefix p;
        !            37: 
        !            38:   /* Tree link. */
        !            39:   struct route_table *table;
        !            40:   struct route_node *parent;
        !            41:   struct route_node *link[2];
        !            42: #define l_left   link[0]
        !            43: #define l_right  link[1]
        !            44: 
        !            45:   /* Lock of this radix */
        !            46:   unsigned int lock;
        !            47: 
        !            48:   /* Each node of route. */
        !            49:   void *info;
        !            50: 
        !            51:   /* Aggregation. */
        !            52:   void *aggregate;
        !            53: };
        !            54: 
        !            55: /* Prototypes. */
        !            56: extern struct route_table *route_table_init (void);
        !            57: extern void route_table_finish (struct route_table *);
        !            58: extern void route_unlock_node (struct route_node *node);
        !            59: extern void route_node_delete (struct route_node *node);
        !            60: extern struct route_node *route_top (struct route_table *);
        !            61: extern struct route_node *route_next (struct route_node *);
        !            62: extern struct route_node *route_next_until (struct route_node *,
        !            63:                                             struct route_node *);
        !            64: extern struct route_node *route_node_get (struct route_table *,
        !            65:                                           struct prefix *);
        !            66: extern struct route_node *route_node_lookup (struct route_table *,
        !            67:                                              struct prefix *);
        !            68: extern struct route_node *route_lock_node (struct route_node *node);
        !            69: extern struct route_node *route_node_match (const struct route_table *,
        !            70:                                             const struct prefix *);
        !            71: extern struct route_node *route_node_match_ipv4 (const struct route_table *,
        !            72:                                                 const struct in_addr *);
        !            73: #ifdef HAVE_IPV6
        !            74: extern struct route_node *route_node_match_ipv6 (const struct route_table *,
        !            75:                                                 const struct in6_addr *);
        !            76: #endif /* HAVE_IPV6 */
        !            77: 
        !            78: #endif /* _ZEBRA_TABLE_H */