BIND: update vendor tree to 9.5.2-P2
[dragonfly.git] / contrib / bind / bin / named / include / named / query.h
1 /*
2  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
3  * Copyright (C) 1999-2002  Internet Software Consortium.
4  *
5  * Permission to use, copy, modify, and/or 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.
8  *
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.
16  */
17
18 /* $Id: query.h,v 1.40 2007/06/19 23:46:59 tbox Exp $ */
19
20 #ifndef NAMED_QUERY_H
21 #define NAMED_QUERY_H 1
22
23 /*! \file */
24
25 #include <isc/types.h>
26 #include <isc/buffer.h>
27 #include <isc/netaddr.h>
28
29 #include <dns/types.h>
30
31 #include <named/types.h>
32
33 /*% nameserver database version structure */
34 typedef struct ns_dbversion {
35         dns_db_t                        *db;
36         dns_dbversion_t                 *version;
37         isc_boolean_t                   queryok;
38         ISC_LINK(struct ns_dbversion)   link;
39 } ns_dbversion_t;
40
41 /*% nameserver query structure */
42 struct ns_query {
43         unsigned int                    attributes;
44         unsigned int                    restarts;
45         isc_boolean_t                   timerset;
46         dns_name_t *                    qname;
47         dns_name_t *                    origqname;
48         unsigned int                    dboptions;
49         unsigned int                    fetchoptions;
50         dns_db_t *                      gluedb;
51         dns_db_t *                      authdb;
52         dns_zone_t *                    authzone;
53         isc_boolean_t                   authdbset;
54         isc_boolean_t                   isreferral;
55         isc_mutex_t                     fetchlock;
56         dns_fetch_t *                   fetch;
57         isc_bufferlist_t                namebufs;
58         ISC_LIST(ns_dbversion_t)        activeversions;
59         ISC_LIST(ns_dbversion_t)        freeversions;
60 };
61
62 #define NS_QUERYATTR_RECURSIONOK        0x0001
63 #define NS_QUERYATTR_CACHEOK            0x0002
64 #define NS_QUERYATTR_PARTIALANSWER      0x0004
65 #define NS_QUERYATTR_NAMEBUFUSED        0x0008
66 #define NS_QUERYATTR_RECURSING          0x0010
67 #define NS_QUERYATTR_CACHEGLUEOK        0x0020
68 #define NS_QUERYATTR_QUERYOKVALID       0x0040
69 #define NS_QUERYATTR_QUERYOK            0x0080
70 #define NS_QUERYATTR_WANTRECURSION      0x0100
71 #define NS_QUERYATTR_SECURE             0x0200
72 #define NS_QUERYATTR_NOAUTHORITY        0x0400
73 #define NS_QUERYATTR_NOADDITIONAL       0x0800
74
75 isc_result_t
76 ns_query_init(ns_client_t *client);
77
78 void
79 ns_query_free(ns_client_t *client);
80
81 void
82 ns_query_start(ns_client_t *client);
83
84 void
85 ns_query_cancel(ns_client_t *client);
86
87 #endif /* NAMED_QUERY_H */