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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 DNS_CALLBACKS_H
#define DNS_CALLBACKS_H 1
/*! \file dns/callbacks.h */
/***
*** Imports
***/
#include <isc/lang.h>
#include <isc/magic.h>
#include <dns/types.h>
ISC_LANG_BEGINDECLS
/***
*** Types
***/
#define DNS_CALLBACK_MAGIC ISC_MAGIC('C','L','L','B')
#define DNS_CALLBACK_VALID(cb) ISC_MAGIC_VALID(cb, DNS_CALLBACK_MAGIC)
struct dns_rdatacallbacks {
unsigned int magic;
/*%
* dns_load_master calls this when it has rdatasets to commit.
*/
dns_addrdatasetfunc_t add;
/*%
* This is called when reading in a database image from a 'map'
* format zone file.
*/
dns_deserializefunc_t deserialize;
/*%
* dns_master_load*() call this when loading a raw zonefile,
* to pass back information obtained from the file header
*/
dns_rawdatafunc_t rawdata;
dns_zone_t *zone;
/*%
* dns_load_master / dns_rdata_fromtext call this to issue a error.
*/
void (*error)(struct dns_rdatacallbacks *, const char *, ...);
/*%
* dns_load_master / dns_rdata_fromtext call this to issue a warning.
*/
void (*warn)(struct dns_rdatacallbacks *, const char *, ...);
/*%
* Private data handles for use by the above callback functions.
*/
void *add_private;
void *deserialize_private;
void *error_private;
void *warn_private;
};
/***
*** Initialization
***/
void
dns_rdatacallbacks_init(dns_rdatacallbacks_t *callbacks);
/*%<
* Initialize 'callbacks'.
*
* \li 'magic' is set to DNS_CALLBACK_MAGIC
*
* \li 'error' and 'warn' are set to default callbacks that print the
* error message through the DNS library log context.
*
*\li All other elements are initialized to NULL.
*
* Requires:
* \li 'callbacks' is a valid dns_rdatacallbacks_t,
*/
void
dns_rdatacallbacks_init_stdio(dns_rdatacallbacks_t *callbacks);
/*%<
* Like dns_rdatacallbacks_init, but logs to stdio.
*/
ISC_LANG_ENDDECLS
#endif /* DNS_CALLBACKS_H */
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