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/contrib/bind9/lib/dns/include/dns/iptable.h

https://bitbucket.org/freebsd/freebsd-head/
C++ Header | 70 lines | 28 code | 14 blank | 28 comment | 0 complexity | 51f10930d8e927f374c3100fdda86a5c MD5 | raw file
 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 */