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/* Community attribute related functions.
Copyright (C) 1998 Kunihiro Ishiguro
This file is part of GNU Zebra.
GNU Zebra is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
GNU Zebra is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Zebra; see the file COPYING. If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef _QUAGGA_BGP_COMMUNITY_H
#define _QUAGGA_BGP_COMMUNITY_H
/* Communities attribute. */
struct community
{
/* Reference count of communities value. */
unsigned long refcnt;
/* Communities value size. */
int size;
/* Communities value. */
u_int32_t *val;
/* String of community attribute. This sring is used by vty output
and expanded community-list for regular expression match. */
char *str;
};
/* Well-known communities value. */
#define COMMUNITY_INTERNET 0x0
#define COMMUNITY_NO_EXPORT 0xFFFFFF01
#define COMMUNITY_NO_ADVERTISE 0xFFFFFF02
#define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03
#define COMMUNITY_LOCAL_AS 0xFFFFFF03
/* Macros of community attribute. */
#define com_length(X) ((X)->size * 4)
#define com_lastval(X) ((X)->val + (X)->size - 1)
#define com_nthval(X,n) ((X)->val + (n))
/* Prototypes of communities attribute functions. */
extern void community_init (void);
extern void community_finish (void);
extern void community_free (struct community *);
extern struct community *community_uniq_sort (struct community *);
extern struct community *community_parse (u_int32_t *, u_short);
extern struct community *community_intern (struct community *);
extern void community_unintern (struct community **);
extern char *community_str (struct community *);
extern unsigned int community_hash_make (struct community *);
extern struct community *community_str2com (const char *);
extern int community_match (const struct community *, const struct community *);
extern int community_cmp (const struct community *, const struct community *);
extern struct community *community_merge (struct community *, struct community *);
extern struct community *community_delete (struct community *, struct community *);
extern struct community *community_dup (struct community *);
extern int community_include (struct community *, u_int32_t);
extern void community_del_val (struct community *, u_int32_t *);
extern unsigned long community_count (void);
extern struct hash *community_hash (void);
#endif /* _QUAGGA_BGP_COMMUNITY_H */
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