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/*
* Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 2000, 2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: soa.h,v 1.12 2009-09-10 01:47:09 each Exp $ */
#ifndef DNS_SOA_H
#define DNS_SOA_H 1
/*****
***** Module Info
*****/
/*! \file dns/soa.h
* \brief
* SOA utilities.
*/
/***
*** Imports
***/
#include <isc/lang.h>
#include <isc/types.h>
#include <dns/types.h>
ISC_LANG_BEGINDECLS
#define DNS_SOA_BUFFERSIZE ((2 * DNS_NAME_MAXWIRE) + (4 * 5))
isc_result_t
dns_soa_buildrdata(dns_name_t *origin, dns_name_t *contact,
dns_rdataclass_t rdclass,
isc_uint32_t serial, isc_uint32_t refresh,
isc_uint32_t retry, isc_uint32_t expire,
isc_uint32_t minimum, unsigned char *buffer,
dns_rdata_t *rdata);
/*%<
* Build the rdata of an SOA record.
*
* Requires:
*\li buffer Points to a temporary buffer of at least
* DNS_SOA_BUFFERSIZE bytes.
*\li rdata Points to an initialized dns_rdata_t.
*
* Ensures:
* \li *rdata Contains a valid SOA rdata. The 'data' member
* refers to 'buffer'.
*/
isc_uint32_t
dns_soa_getserial(dns_rdata_t *rdata);
isc_uint32_t
dns_soa_getrefresh(dns_rdata_t *rdata);
isc_uint32_t
dns_soa_getretry(dns_rdata_t *rdata);
isc_uint32_t
dns_soa_getexpire(dns_rdata_t *rdata);
isc_uint32_t
dns_soa_getminimum(dns_rdata_t *rdata);
/*
* Extract an integer field from the rdata of a SOA record.
*
* Requires:
* rdata refers to the rdata of a well-formed SOA record.
*/
void
dns_soa_setserial(isc_uint32_t val, dns_rdata_t *rdata);
void
dns_soa_setrefresh(isc_uint32_t val, dns_rdata_t *rdata);
void
dns_soa_setretry(isc_uint32_t val, dns_rdata_t *rdata);
void
dns_soa_setexpire(isc_uint32_t val, dns_rdata_t *rdata);
void
dns_soa_setminimum(isc_uint32_t val, dns_rdata_t *rdata);
/*
* Change an integer field of a SOA record by modifying the
* rdata in-place.
*
* Requires:
* rdata refers to the rdata of a well-formed SOA record.
*/
ISC_LANG_ENDDECLS
#endif /* DNS_SOA_H */
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