BIND: update vendor tree to 9.5.2-P2
[dragonfly.git] / contrib / bind / lib / dns / include / dns / iptable.h
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1/*
2 * Copyright (C) 2007 Internet Systems Consortium, Inc. ("ISC")
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
15 */
16
17/* $Id: iptable.h,v 1.4 2007/09/14 01:46:05 marka Exp $ */
18
19#ifndef DNS_IPTABLE_H
20#define DNS_IPTABLE_H 1
21
22#include <isc/lang.h>
23#include <isc/magic.h>
24#include <isc/radix.h>
25
26struct dns_iptable {
27 unsigned int magic;
28 isc_mem_t *mctx;
29 isc_refcount_t refcount;
30 isc_radix_tree_t *radix;
31 ISC_LINK(dns_iptable_t) nextincache;
32};
33
34#define DNS_IPTABLE_MAGIC ISC_MAGIC('T','a','b','l')
35#define DNS_IPTABLE_VALID(a) ISC_MAGIC_VALID(a, DNS_IPTABLE_MAGIC)
36
37/***
38 *** Functions
39 ***/
40
41ISC_LANG_BEGINDECLS
42
43isc_result_t
44dns_iptable_create(isc_mem_t *mctx, dns_iptable_t **target);
45/*
46 * Create a new IP table and the underlying radix structure
47 */
48
49isc_result_t
50dns_iptable_addprefix(dns_iptable_t *tab, isc_netaddr_t *addr,
51 isc_uint16_t bitlen, isc_boolean_t pos);
52/*
53 * Add an IP prefix to an existing IP table
54 */
55
56isc_result_t
57dns_iptable_merge(dns_iptable_t *tab, dns_iptable_t *source, isc_boolean_t pos);
58/*
59 * Merge one IP table into another one.
60 */
61
62void
63dns_iptable_attach(dns_iptable_t *source, dns_iptable_t **target);
64
65void
66dns_iptable_detach(dns_iptable_t **tabp);
67
68ISC_LANG_ENDDECLS
69
70#endif /* DNS_IPTABLE_H */