Files
bind9/lib/dns/include/dns/masterdump.h
T
2006-03-02 00:37:18 +00:00

182 lines
5.0 KiB
C

/*
* Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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: masterdump.h,v 1.22.2.5 2006/03/02 00:37:17 marka Exp $ */
#ifndef DNS_MASTERDUMP_H
#define DNS_MASTERDUMP_H 1
/***
*** Imports
***/
#include <stdio.h>
#include <isc/lang.h>
#include <dns/types.h>
/***
*** Types
***/
/*
* Style options for masterfile dumps. This struct is currently
* opaque, so applications cannot define their own style but have
* to choose a predefined style. A more flexible interface may
* be exported in the future.
*/
typedef struct dns_master_style dns_master_style_t;
ISC_LANG_BEGINDECLS
/***
*** Constants
***/
/*
* The default master file style.
*
* This uses $TTL directives to avoid the need to dedicate a
* tab stop for the TTL. The class is only printed for the first
* rrset in the file and shares a tab stop with the RR type.
*/
LIBDNS_EXTERNAL_DATA extern const dns_master_style_t dns_master_style_default;
/*
* A master file style that prints explicit TTL values on each
* record line, never using $TTL statements. The TTL has a tab
* stop of its own, but the class and type share one.
*/
LIBDNS_EXTERNAL_DATA extern const dns_master_style_t
dns_master_style_explicitttl;
/*
* A master style format designed for cache files. It prints explicit TTL
* values on each record line and never uses $ORIGIN or relative names.
*/
extern const dns_master_style_t dns_master_style_cache;
/*
* A master style that prints name, ttl, class, type, and value on
* every line. Similar to explicitttl above, but more verbose.
* Intended for generating master files which can be easily parsed
* by perl scripts and similar applications.
*/
extern const dns_master_style_t dns_master_style_simple;
/*
* The style used for debugging, "dig" output, etc.
*/
LIBDNS_EXTERNAL_DATA extern const dns_master_style_t dns_master_style_debug;
/***
*** Functions
***/
isc_result_t
dns_master_dumptostream(isc_mem_t *mctx, dns_db_t *db,
dns_dbversion_t *version,
const dns_master_style_t *style, FILE *f);
/*
* Dump the database 'db' to the steam 'f' in RFC1035 master
* file format, in the style defined by 'style'
* (e.g., &dns_default_master_style_default)
*
* Temporary dynamic memory may be allocated from 'mctx'.
*
* Returns:
* ISC_R_SUCCESS
* ISC_R_NOMEMORY
* Any database or rrset iterator error.
* Any dns_rdata_totext() error code.
*/
isc_result_t
dns_master_dump(isc_mem_t *mctx, dns_db_t *db,
dns_dbversion_t *version,
const dns_master_style_t *style, const char *filename);
/*
* Dump the database 'db' to the file 'filename' in RFC1035 master
* file format, in the style defined by 'style'
* (e.g., &dns_default_master_style_default)
*
* Temporary dynamic memory may be allocated from 'mctx'.
*
* Returns:
* ISC_R_SUCCESS
* ISC_R_NOMEMORY
* Any database or rrset iterator error.
* Any dns_rdata_totext() error code.
*/
isc_result_t
dns_master_rdatasettotext(dns_name_t *owner_name,
dns_rdataset_t *rdataset,
const dns_master_style_t *style,
isc_buffer_t *target);
/*
* Convert 'rdataset' to text format, storing the result in 'target'.
*
* Notes:
* The rdata cursor position will be changed.
*
* Requires:
* 'rdataset' is a valid non-question rdataset.
*
* 'rdataset' is not empty.
*/
isc_result_t
dns_master_questiontotext(dns_name_t *owner_name,
dns_rdataset_t *rdataset,
const dns_master_style_t *style,
isc_buffer_t *target);
/*
* Print a text representation of 'rdataset', a pseudo-rdataset
* representing a questino.
*
* Requires:
* 'rdataset' is a valid question rdataset.
*
* 'rdataset' is not empty.
*/
isc_result_t
dns_rdataset_towire(dns_rdataset_t *rdataset,
const dns_name_t *owner_name,
dns_compress_t *cctx,
isc_buffer_t *target,
unsigned int *countp);
isc_result_t
dns_master_dumpnodetostream(isc_mem_t *mctx, dns_db_t *db,
dns_dbversion_t *version,
dns_dbnode_t *node, dns_name_t *name,
const dns_master_style_t *style,
FILE *f);
isc_result_t
dns_master_dumpnode(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *version,
dns_dbnode_t *node, dns_name_t *name,
const dns_master_style_t *style, const char *filename);
ISC_LANG_ENDDECLS
#endif /* DNS_MASTERDUMP_H */