1/*
2 * Copyright (C) 2004-2007, 2012  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/* $Id$ */
19
20#ifndef DNS_CALLBACKS_H
21#define DNS_CALLBACKS_H 1
22
23/*! \file dns/callbacks.h */
24
25/***
26 ***	Imports
27 ***/
28
29#include <isc/lang.h>
30
31#include <dns/types.h>
32
33ISC_LANG_BEGINDECLS
34
35/***
36 ***	Types
37 ***/
38
39struct dns_rdatacallbacks {
40	/*%
41	 * dns_load_master calls this when it has rdatasets to commit.
42	 */
43	dns_addrdatasetfunc_t add;
44	/*%
45	 * dns_load_master / dns_rdata_fromtext call this to issue a error.
46	 */
47	void	(*error)(struct dns_rdatacallbacks *, const char *, ...);
48	/*%
49	 * dns_load_master / dns_rdata_fromtext call this to issue a warning.
50	 */
51	void	(*warn)(struct dns_rdatacallbacks *, const char *, ...);
52	/*%
53	 * Private data handles for use by the above callback functions.
54	 */
55	void	*add_private;
56	void	*error_private;
57	void	*warn_private;
58};
59
60/***
61 ***	Initialization
62 ***/
63
64void
65dns_rdatacallbacks_init(dns_rdatacallbacks_t *callbacks);
66/*%<
67 * Initialize 'callbacks'.
68 *
69 *
70 * \li	'error' and 'warn' are set to default callbacks that print the
71 *	error message through the DNS library log context.
72 *
73 *\li	All other elements are initialized to NULL.
74 *
75 * Requires:
76 *  \li    'callbacks' is a valid dns_rdatacallbacks_t,
77 */
78
79void
80dns_rdatacallbacks_init_stdio(dns_rdatacallbacks_t *callbacks);
81/*%<
82 * Like dns_rdatacallbacks_init, but logs to stdio.
83 */
84
85ISC_LANG_ENDDECLS
86
87#endif /* DNS_CALLBACKS_H */
88