56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/* AS path filter list.
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* Copyright (C) 1999 Kunihiro Ishiguro
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*/
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#ifndef _QUAGGA_BGP_FILTER_H
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#define _QUAGGA_BGP_FILTER_H
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#include <typesafe.h>
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#define ASPATH_SEQ_NUMBER_AUTO -1
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enum as_filter_type { AS_FILTER_DENY, AS_FILTER_PERMIT };
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/* Element of AS path filter. */
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struct as_filter {
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struct as_filter *next;
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struct as_filter *prev;
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enum as_filter_type type;
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regex_t *reg;
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char *reg_str;
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/* Sequence number. */
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int64_t seq;
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};
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PREDECL_DLIST(as_list_list);
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/* AS path filter list. */
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struct as_list {
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char *name;
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struct as_list *next;
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struct as_list *prev;
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struct as_filter *head;
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struct as_filter *tail;
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/* Changes in AS path */
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struct as_list_list_head exclude_rule;
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};
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extern void bgp_filter_init(void);
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extern void bgp_filter_reset(void);
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extern enum as_filter_type as_list_apply(struct as_list *, void *);
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extern struct as_list *as_list_lookup(const char *);
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extern void as_list_add_hook(void (*func)(char *));
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extern void as_list_delete_hook(void (*func)(const char *));
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extern bool config_bgp_aspath_validate(const char *regstr);
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#endif /* _QUAGGA_BGP_FILTER_H */
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