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Annotation of embedaddon/quagga/bgpd/bgp_table.h, revision 1.1

1.1     ! misho       1: /* BGP routing table
        !             2:    Copyright (C) 1998, 2001 Kunihiro Ishiguro
        !             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 Free
        !            18: Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !            19: 02111-1307, USA.  */
        !            20: 
        !            21: #ifndef _QUAGGA_BGP_TABLE_H
        !            22: #define _QUAGGA_BGP_TABLE_H
        !            23: 
        !            24: typedef enum
        !            25: {
        !            26:   BGP_TABLE_MAIN,
        !            27:   BGP_TABLE_RSCLIENT,
        !            28: } bgp_table_t;
        !            29: 
        !            30: struct bgp_table
        !            31: {
        !            32:   bgp_table_t type;
        !            33:   
        !            34:   /* afi/safi of this table */
        !            35:   afi_t afi;
        !            36:   safi_t safi;
        !            37:   
        !            38:   int lock;
        !            39: 
        !            40:   /* The owner of this 'bgp_table' structure. */
        !            41:   struct peer *owner;
        !            42: 
        !            43:   struct bgp_node *top;
        !            44:   
        !            45:   unsigned long count;
        !            46: };
        !            47: 
        !            48: struct bgp_node
        !            49: {
        !            50:   struct prefix p;
        !            51: 
        !            52:   struct bgp_table *table;
        !            53:   struct bgp_node *parent;
        !            54:   struct bgp_node *link[2];
        !            55: #define l_left   link[0]
        !            56: #define l_right  link[1]
        !            57: 
        !            58:   void *info;
        !            59: 
        !            60:   struct bgp_adj_out *adj_out;
        !            61: 
        !            62:   struct bgp_adj_in *adj_in;
        !            63: 
        !            64:   struct bgp_node *prn;
        !            65: 
        !            66:   int lock;
        !            67: 
        !            68:   u_char flags;
        !            69: #define BGP_NODE_PROCESS_SCHEDULED     (1 << 0)
        !            70: };
        !            71: 
        !            72: extern struct bgp_table *bgp_table_init (afi_t, safi_t);
        !            73: extern void bgp_table_lock (struct bgp_table *);
        !            74: extern void bgp_table_unlock (struct bgp_table *);
        !            75: extern void bgp_table_finish (struct bgp_table **);
        !            76: extern void bgp_unlock_node (struct bgp_node *node);
        !            77: extern struct bgp_node *bgp_table_top (const struct bgp_table *const);
        !            78: extern struct bgp_node *bgp_route_next (struct bgp_node *);
        !            79: extern struct bgp_node *bgp_route_next_until (struct bgp_node *, struct bgp_node *);
        !            80: extern struct bgp_node *bgp_node_get (struct bgp_table *const, struct prefix *);
        !            81: extern struct bgp_node *bgp_node_lookup (const struct bgp_table *const, struct prefix *);
        !            82: extern struct bgp_node *bgp_lock_node (struct bgp_node *node);
        !            83: extern struct bgp_node *bgp_node_match (const struct bgp_table *, struct prefix *);
        !            84: extern struct bgp_node *bgp_node_match_ipv4 (const struct bgp_table *,
        !            85:                                          struct in_addr *);
        !            86: #ifdef HAVE_IPV6
        !            87: extern struct bgp_node *bgp_node_match_ipv6 (const struct bgp_table *,
        !            88:                                          struct in6_addr *);
        !            89: #endif /* HAVE_IPV6 */
        !            90: extern unsigned long bgp_table_count (const struct bgp_table *const);
        !            91: #endif /* _QUAGGA_BGP_TABLE_H */