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