iptable.h revision 0c27b3fe77ac1d5094ba3521e8142d9e7973133f
/*
* Copyright (C) 2007, 2012, 2014, 2016 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 http://mozilla.org/MPL/2.0/.
*/
/* $Id: iptable.h,v 1.4 2007/09/14 01:46:05 marka Exp $ */
#ifndef DNS_IPTABLE_H
#define DNS_IPTABLE_H 1
#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, isc_netaddr_t *addr,
isc_uint16_t bitlen, isc_boolean_t pos);
isc_result_t
dns_iptable_addprefix2(dns_iptable_t *tab, isc_netaddr_t *addr,
isc_uint16_t bitlen, isc_boolean_t pos,
isc_boolean_t is_ecs);
/*
* Add an IP prefix to an existing IP table
*/
isc_result_t
dns_iptable_merge(dns_iptable_t *tab, dns_iptable_t *source, isc_boolean_t 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 */