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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 NS_SORTLIST_H
#define NS_SORTLIST_H 1

/*! \file */

#include <isc/types.h>

#include <dns/acl.h>
#include <dns/types.h>

/*%
 * Type for callback functions that rank addresses.
 */
typedef int (*dns_addressorderfunc_t)(const isc_netaddr_t *address,
				      const void		 *arg);

/*%
 * Return value type for setup_sortlist.
 */
typedef enum {
	NS_SORTLISTTYPE_NONE,
	NS_SORTLISTTYPE_1ELEMENT,
	NS_SORTLISTTYPE_2ELEMENT
} ns_sortlisttype_t;

ns_sortlisttype_t
ns_sortlist_setup(dns_acl_t *acl, dns_aclenv_t *env, isc_netaddr_t *clientaddr,
		  const void **argp);
/*%<
 * Find the sortlist statement in 'acl' (for ACL environment 'env')
 * that applies to 'clientaddr', if any.
 *
 * If a 1-element sortlist item applies, return NS_SORTLISTTYPE_1ELEMENT and
 * make '*argp' point to the matching subelement.
 *
 * If a 2-element sortlist item applies, return NS_SORTLISTTYPE_2ELEMENT and
 * make '*argp' point to ACL that forms the second element.
 *
 * If no sortlist item applies, return NS_SORTLISTTYPE_NONE and set '*argp'
 * to NULL.
 */

int
ns_sortlist_addrorder1(const isc_netaddr_t *addr, const void *arg);
/*%<
 * Find the sort order of 'addr' in 'arg', the matching element
 * of a 1-element top-level sortlist statement.
 */

int
ns_sortlist_addrorder2(const isc_netaddr_t *addr, const void *arg);
/*%<
 * Find the sort order of 'addr' in 'arg', a topology-like
 * ACL forming the second element in a 2-element top-level
 * sortlist statement.
 */

void
ns_sortlist_byaddrsetup(dns_acl_t *sortlist_acl, dns_aclenv_t *env,
			isc_netaddr_t	      *client_addr,
			dns_addressorderfunc_t *orderp, const void **argp);
/*%<
 * Find the sortlist statement in 'acl' that applies to 'clientaddr', if any.
 * If a sortlist statement applies, return in '*orderp' a pointer to a function
 * for ranking network addresses based on that sortlist statement, and in
 * '*argp' an argument to pass to said function.  If no sortlist statement
 * applies, set '*orderp' and '*argp' to NULL.
 */

#endif /* NS_SORTLIST_H */

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⬅ bind9 15 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📄 client.h	h	16.3 KB	05/11/21 16:03	0644	✏️ ⬇
📄 hooks.h	h	14.2 KB	05/11/21 16:03	0644	✏️ ⬇
📄 interfacemgr.h	h	5.4 KB	05/11/21 16:03	0644	✏️ ⬇
📄 lib.h	h	767 B	05/11/21 16:03	0644	✏️ ⬇
📄 listenlist.h	h	1.9 KB	05/11/21 16:03	0644	✏️ ⬇
📄 log.h	h	2.1 KB	05/11/21 16:03	0644	✏️ ⬇
📄 notify.h	h	1 KB	05/11/21 16:03	0644	✏️ ⬇
📄 query.h	h	6.5 KB	10/06/26 20:18	0644	✏️ ⬇
📄 server.h	h	4.8 KB	10/06/26 20:18	0644	✏️ ⬇
📄 sortlist.h	h	2.4 KB	05/11/21 16:03	0644	✏️ ⬇
📄 stats.h	h	3.4 KB	10/06/26 20:18	0644	✏️ ⬇
📄 types.h	h	1 KB	05/11/21 16:03	0644	✏️ ⬇
📄 update.h	h	760 B	05/11/21 16:03	0644	✏️ ⬇
📄 version.h	h	504 B	05/11/21 16:03	0644	✏️ ⬇
📄 xfrout.h	h	651 B	05/11/21 16:03	0644	✏️ ⬇

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