/usr/include/dnsdb/zdb-zone-arc.h is in libyadifa-dev 2.1.6-1.
This file is owned by root:root, with mode 0o644.
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*
* Copyright (c) 2011-2016, EURid. All rights reserved.
* The YADIFA TM software product is provided under the BSD 3-clause license:
*
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* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
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* documentation and/or other materials provided with the distribution.
* * Neither the name of EURid nor the names of its contributors may be
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* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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/** @defgroup dnsdbzone Zone related functions
* @ingroup dnsdb
* @brief Functions used to manipulate a zone
*
* Functions used to manipulate a zone
*
* @{
*/
#pragma once
#include <dnsdb/zdb_types.h>
#include <dnsdb/dnsrdata.h>
#include <dnscore/input_stream.h>
#include <dnscore/output_stream.h>
/**
*
* Locks the database
* Gets the zone
* Starts locking the zone for the owner
* Increment the zone RC
* Unlocks the database
* Resume locking the zone for the owner
* returns the locked zone
*
* The read series implies no changes will be done to the database structure (no zone labels added/removed)
* The write series implies changes will be done to the database structure. Most likely a removal of a zone label.
*
* @param db
* @param fqdn/exact_match_origin
* @param owner
* @return
*/
zdb_zone *zdb_acquire_zone_read(zdb *db, dnsname_vector *exact_match_origin);
zdb_zone *zdb_acquire_zone_read_from_fqdn(zdb *db, const u8 *fqdn);
zdb_zone *zdb_acquire_zone_read_trylock(zdb *db, dnsname_vector *exact_match_origin, u8 owner);
zdb_zone *zdb_acquire_zone_read_trylock_from_name(zdb *db, const char *name, u8 owner);
zdb_zone *zdb_acquire_zone_read_trylock_from_fqdn(zdb *db, const u8 *fqdn, u8 owner);
zdb_zone *zdb_acquire_zone_read_lock(zdb *db, dnsname_vector *exact_match_origin, u8 owner);
zdb_zone *zdb_acquire_zone_read_lock_from_name(zdb *db, const char *name, u8 owner);
zdb_zone *zdb_acquire_zone_read_lock_from_fqdn(zdb *db, const u8 *fqdn, u8 owner);
zdb_zone *zdb_acquire_zone_write_lock(zdb *db, dnsname_vector *exact_match_origin, u8 owner);
zdb_zone *zdb_acquire_zone_write_lock_from_name(zdb *db, const char *name, u8 owner);
zdb_zone *zdb_acquire_zone_write_lock_from_fqdn(zdb *db, const u8 *fqdn, u8 owner);
/**
* The double lock allows the caller to lock a zone for an owner with dibs to change the owner.
* Typically: lock for the simple reader and then change the lock to a writer.
* This is useful when lock-out the readers is not needed yet, but will most likely be in the near future.
*
* ie: lock reader + dynupdate
* verify prerequisites
* do the dry run
* transfer lock to dynupdate
* do the actual update
* unlock
*
* @param db
* @param exact_match_origin
* @param owner
* @param nextowner
* @return
*/
zdb_zone *zdb_acquire_zone_read_double_lock(zdb *db, dnsname_vector *exact_match_origin, u8 owner, u8 nextowner);
zdb_zone *zdb_acquire_zone_read_double_lock_from_name(zdb *db, const char *name, u8 owner, u8 nextowner);
zdb_zone *zdb_acquire_zone_read_double_lock_from_fqdn(zdb *db, const u8 *fqdn, u8 owner, u8 nextowner);
/**
*
* Dereference and unlocks the zone.
* If the RC reached 0, enqueues it for destruction
*
* @param zone
* @param owner
*/
void zdb_zone_acquire(zdb_zone *zone);
void zdb_zone_release(zdb_zone *zone);
void zdb_zone_release_unlock(zdb_zone *zone, u8 owner);
void zdb_zone_release_double_unlock(zdb_zone *zone, u8 owner, u8 nextowner);
/** @} */
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