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dns
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callbacks.h
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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 */