2 * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000, 2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: forward.h,v 1.2.206.3 2005/03/17 03:58:31 marka Exp $ */
21 #define DNS_FORWARD_H 1
24 #include <isc/result.h>
26 #include <dns/types.h>
30 struct dns_forwarders {
31 isc_sockaddrlist_t addrs;
32 dns_fwdpolicy_t fwdpolicy;
36 dns_fwdtable_create(isc_mem_t *mctx, dns_fwdtable_t **fwdtablep);
38 * Creates a new forwarding table.
41 * mctx is a valid memory context.
42 * fwdtablep != NULL && *fwdtablep == NULL
50 dns_fwdtable_add(dns_fwdtable_t *fwdtable, dns_name_t *name,
51 isc_sockaddrlist_t *addrs, dns_fwdpolicy_t policy);
53 * Adds an entry to the forwarding table. The entry associates
54 * a domain with a list of forwarders and a forwarding policy. The
55 * addrs list is copied if not empty, so the caller should free its copy.
58 * fwdtable is a valid forwarding table.
59 * name is a valid name
60 * addrs is a valid list of sockaddrs, which may be empty.
68 dns_fwdtable_find(dns_fwdtable_t *fwdtable, dns_name_t *name,
69 dns_forwarders_t **forwardersp);
72 dns_fwdtable_find2(dns_fwdtable_t *fwdtable, dns_name_t *name,
73 dns_name_t *foundname, dns_forwarders_t **forwardersp);
75 * Finds a domain in the forwarding table. The closest matching parent
79 * fwdtable is a valid forwarding table.
80 * name is a valid name
81 * forwardersp != NULL && *forwardersp == NULL
82 * foundname to be NULL or a valid name with buffer.
90 dns_fwdtable_destroy(dns_fwdtable_t **fwdtablep);
92 * Destroys a forwarding table.
95 * fwtablep != NULL && *fwtablep != NULL
98 * all memory associated with the forwarding table is freed.
103 #endif /* DNS_FORWARD_H */