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109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/*
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* Copyright (C) 2004-2007, 2011-2013 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 1999-2002 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: callbacks.h,v 1.26.40.1 2012/02/07 00:44:16 each Exp $ */
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#ifndef DNS_CALLBACKS_H
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#define DNS_CALLBACKS_H 1
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/*! \file dns/callbacks.h */
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/***
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*** Imports
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***/
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#include <isc/lang.h>
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#include <isc/magic.h>
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#include <dns/types.h>
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ISC_LANG_BEGINDECLS
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/***
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*** Types
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***/
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#define DNS_CALLBACK_MAGIC ISC_MAGIC('C','L','L','B')
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#define DNS_CALLBACK_VALID(cb) ISC_MAGIC_VALID(cb, DNS_CALLBACK_MAGIC)
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struct dns_rdatacallbacks {
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unsigned int magic;
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/*%
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* dns_load_master calls this when it has rdatasets to commit.
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*/
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dns_addrdatasetfunc_t add;
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/*%
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* This is called when reading in a database image from a 'map'
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* format zone file.
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*/
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dns_deserializefunc_t deserialize;
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/*%
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* dns_master_load*() call this when loading a raw zonefile,
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* to pass back information obtained from the file header
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*/
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dns_rawdatafunc_t rawdata;
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dns_zone_t *zone;
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/*%
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* dns_load_master / dns_rdata_fromtext call this to issue a error.
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*/
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void (*error)(struct dns_rdatacallbacks *, const char *, ...);
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/*%
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* dns_load_master / dns_rdata_fromtext call this to issue a warning.
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*/
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void (*warn)(struct dns_rdatacallbacks *, const char *, ...);
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/*%
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* Private data handles for use by the above callback functions.
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*/
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void *add_private;
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void *deserialize_private;
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void *error_private;
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void *warn_private;
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};
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/***
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*** Initialization
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***/
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void
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dns_rdatacallbacks_init(dns_rdatacallbacks_t *callbacks);
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/*%<
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* Initialize 'callbacks'.
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*
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* \li 'magic' is set to DNS_CALLBACK_MAGIC
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*
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* \li 'error' and 'warn' are set to default callbacks that print the
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* error message through the DNS library log context.
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*
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*\li All other elements are initialized to NULL.
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*
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* Requires:
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* \li 'callbacks' is a valid dns_rdatacallbacks_t,
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*/
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void
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dns_rdatacallbacks_init_stdio(dns_rdatacallbacks_t *callbacks);
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/*%<
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* Like dns_rdatacallbacks_init, but logs to stdio.
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*/
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ISC_LANG_ENDDECLS
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#endif /* DNS_CALLBACKS_H */
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