69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#ifndef DNS_IPTABLE_H
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#define DNS_IPTABLE_H 1
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#include <inttypes.h>
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#include <stdbool.h>
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#include <isc/lang.h>
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#include <isc/magic.h>
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#include <isc/radix.h>
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#include <dns/types.h>
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struct dns_iptable {
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unsigned int magic;
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isc_mem_t * mctx;
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isc_refcount_t refcount;
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isc_radix_tree_t *radix;
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ISC_LINK(dns_iptable_t) nextincache;
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};
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#define DNS_IPTABLE_MAGIC ISC_MAGIC('T', 'a', 'b', 'l')
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#define DNS_IPTABLE_VALID(a) ISC_MAGIC_VALID(a, DNS_IPTABLE_MAGIC)
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/***
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*** Functions
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***/
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ISC_LANG_BEGINDECLS
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isc_result_t
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dns_iptable_create(isc_mem_t *mctx, dns_iptable_t **target);
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/*
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* Create a new IP table and the underlying radix structure
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*/
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isc_result_t
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dns_iptable_addprefix(dns_iptable_t *tab, const isc_netaddr_t *addr,
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uint16_t bitlen, bool pos);
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/*
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* Add an IP prefix to an existing IP table
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*/
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isc_result_t
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dns_iptable_merge(dns_iptable_t *tab, dns_iptable_t *source, bool pos);
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/*
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* Merge one IP table into another one.
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*/
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void
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dns_iptable_attach(dns_iptable_t *source, dns_iptable_t **target);
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void
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dns_iptable_detach(dns_iptable_t **tabp);
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ISC_LANG_ENDDECLS
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#endif /* DNS_IPTABLE_H */
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