1/* Community attribute related functions. 2 Copyright (C) 1998 Kunihiro Ishiguro 3 4This file is part of GNU Zebra. 5 6GNU Zebra is free software; you can redistribute it and/or modify it 7under the terms of the GNU General Public License as published by the 8Free Software Foundation; either version 2, or (at your option) any 9later version. 10 11GNU Zebra is distributed in the hope that it will be useful, but 12WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14General Public License for more details. 15 16You should have received a copy of the GNU General Public License 17along with GNU Zebra; see the file COPYING. If not, write to the Free 18Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 1902111-1307, USA. */ 20 21/* Communities attribute. */ 22struct community 23{ 24 /* Reference count of communities value. */ 25 unsigned long refcnt; 26 27 /* Communities value size. */ 28 int size; 29 30 /* Communities value. */ 31 u_int32_t *val; 32 33 /* String of community attribute. This sring is used by vty output 34 and expanded community-list for regular expression match. */ 35 char *str; 36}; 37 38/* Well-known communities value. */ 39#define COMMUNITY_INTERNET 0x0 40#define COMMUNITY_NO_EXPORT 0xFFFFFF01 41#define COMMUNITY_NO_ADVERTISE 0xFFFFFF02 42#define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03 43#define COMMUNITY_LOCAL_AS 0xFFFFFF03 44 45/* Macros of community attribute. */ 46#define com_length(X) ((X)->size * 4) 47#define com_lastval(X) ((X)->val + (X)->size - 1) 48#define com_nthval(X,n) ((X)->val + (n)) 49 50/* Prototypes of communities attribute functions. */ 51void community_init (); 52void community_free (struct community *); 53struct community *community_uniq_sort (struct community *); 54struct community *community_parse (char *, u_short); 55struct community *community_intern (struct community *); 56void community_unintern (struct community *); 57char *community_str (struct community *); 58unsigned int community_hash_make (struct community *); 59struct community *community_str2com (char *); 60int community_match (struct community *, struct community *); 61int community_cmp (struct community *, struct community *); 62struct community *community_merge (struct community *, struct community *); 63struct community *community_delete (struct community *, struct community *); 64struct community *community_dup (struct community *); 65int community_include (struct community *, u_int32_t); 66void community_del_val (struct community *, u_int32_t *); 67unsigned long community_count (); 68struct hash *community_hash (); 69