lib/plist_int.h

   1 /*
   2  * Prefix list internal definitions.
   3  * Copyright (C) 1999 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
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation; either version 2, or (at your
  10  * option) any 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 along
  18  * with this program; see the file COPYING; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef _QUAGGA_PLIST_INT_H
  23 #define _QUAGGA_PLIST_INT_H
  24
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif
  28
  29 enum prefix_name_type { PREFIX_TYPE_STRING, PREFIX_TYPE_NUMBER };
  30
  31 struct pltrie_table;
  32
  33 struct prefix_list {
  34         char *name;
  35         char *desc;
  36
  37         struct prefix_master *master;
  38
  39         enum prefix_name_type type;
  40
  41         int count;
  42         int rangecount;
  43
  44         struct prefix_list_entry *head;
  45         struct prefix_list_entry *tail;
  46
  47         struct pltrie_table *trie;
  48
  49         struct prefix_list *next;
  50         struct prefix_list *prev;
  51 };
  52
  53 /* Each prefix-list's entry. */
  54 struct prefix_list_entry {
  55         int64_t seq;
  56
  57         int le;
  58         int ge;
  59
  60         enum prefix_list_type type;
  61
  62         bool any;
  63         struct prefix prefix;
  64
  65         unsigned long refcnt;
  66         unsigned long hitcnt;
  67
  68         struct prefix_list *pl;
  69
  70         struct prefix_list_entry *next;
  71         struct prefix_list_entry *prev;
  72
  73         /* up the chain for best match search */
  74         struct prefix_list_entry *next_best;
  75
  76         /* Flag to track trie/list installation status. */
  77         bool installed;
  78 };
  79
  80 extern void prefix_list_entry_free(struct prefix_list_entry *pentry);
  81 extern void prefix_list_entry_delete2(struct prefix_list_entry *ple);
  82 extern void prefix_list_entry_update_start(struct prefix_list_entry *ple);
  83 extern void prefix_list_entry_update_finish(struct prefix_list_entry *ple);
  84
  85 #ifdef __cplusplus
  86 }
  87 #endif
  88
  89 #endif /* _QUAGGA_PLIST_INT_H */