1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* 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 DNS_DBTABLE_H
#define DNS_DBTABLE_H 1
/*****
***** Module Info
*****/
/*! \file dns/dbtable.h
* \brief
* DNS DB Tables
*
* XXX TBS XXX
*
* MP:
*\li The module ensures appropriate synchronization of data structures it
* creates and manipulates.
*
* Reliability:
*\li No anticipated impact.
*
* Resources:
*\li None.
*
* Security:
*\li No anticipated impact.
*
* Standards:
*\li None.
*/
#include <isc/lang.h>
#include <dns/types.h>
#define DNS_DBTABLEFIND_NOEXACT 0x01
ISC_LANG_BEGINDECLS
isc_result_t
dns_dbtable_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
dns_dbtable_t **dbtablep);
/*%<
* Make a new dbtable of class 'rdclass'
*
* Requires:
*\li mctx != NULL
* \li dbtablep != NULL && *dptablep == NULL
*\li 'rdclass' is a valid class
*
* Returns:
*\li #ISC_R_SUCCESS
*\li #ISC_R_NOMEMORY
*\li #ISC_R_UNEXPECTED
*/
void
dns_dbtable_attach(dns_dbtable_t *source, dns_dbtable_t **targetp);
/*%<
* Attach '*targetp' to 'source'.
*
* Requires:
*
*\li 'source' is a valid dbtable.
*
*\li 'targetp' points to a NULL dns_dbtable_t *.
*
* Ensures:
*
*\li *targetp is attached to source.
*/
void
dns_dbtable_detach(dns_dbtable_t **dbtablep);
/*%<
* Detach *dbtablep from its dbtable.
*
* Requires:
*
*\li '*dbtablep' points to a valid dbtable.
*
* Ensures:
*
*\li *dbtablep is NULL.
*
*\li If '*dbtablep' is the last reference to the dbtable,
* all resources used by the dbtable will be freed
*/
isc_result_t
dns_dbtable_add(dns_dbtable_t *dbtable, dns_db_t *db);
/*%<
* Add 'db' to 'dbtable'.
*
* Requires:
*\li 'dbtable' is a valid dbtable.
*
*\li 'db' is a valid database with the same class as 'dbtable'
*/
void
dns_dbtable_remove(dns_dbtable_t *dbtable, dns_db_t *db);
/*%<
* Remove 'db' from 'dbtable'.
*
* Requires:
*\li 'db' was previously added to 'dbtable'.
*/
void
dns_dbtable_adddefault(dns_dbtable_t *dbtable, dns_db_t *db);
/*%<
* Use 'db' as the result of a dns_dbtable_find() if no better match is
* available.
*/
void
dns_dbtable_getdefault(dns_dbtable_t *dbtable, dns_db_t **db);
/*%<
* Get the 'db' used as the result of a dns_dbtable_find()
* if no better match is available.
*/
void
dns_dbtable_removedefault(dns_dbtable_t *dbtable);
/*%<
* Remove the default db from 'dbtable'.
*/
isc_result_t
dns_dbtable_find(dns_dbtable_t *dbtable, const dns_name_t *name,
unsigned int options, dns_db_t **dbp);
/*%<
* Find the deepest match to 'name' in the dbtable, and return it
*
* Notes:
*\li If the DNS_DBTABLEFIND_NOEXACT option is set, the best partial
* match (if any) to 'name' will be returned.
*
* Returns:
* \li #ISC_R_SUCCESS on success
*\li something else: no default and match
*/
ISC_LANG_ENDDECLS
#endif /* DNS_DBTABLE_H */
|
