/* * Copyright (C) 2007 Internet Systems Consortium, Inc. ("ISC") * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /* $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> 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); /* * 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 */