text: /*------------------------------------------------------------------------------
  *
  * Copyright (c) 2011-2018, EURid vzw. All rights reserved.
  * The YADIFA TM software product is provided under the BSD 3-clause license:
  * 
  * Redistribution and use in source and binary forms, with or without 
  * 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 
  *          notice, this list of conditions and the following disclaimer in the 
  *          documentation and/or other materials provided with the distribution.
  *        * Neither the name of EURid nor the names of its contributors may be 
  *          used to endorse or promote products derived from this software 
  *          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 
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  *------------------------------------------------------------------------------
  *
  */
  
  #pragma once
  #include <dnsdb/nsec3.h>
  
  struct nsec3_forall_label_s;
  
  typedef ya_result nsec3_forall_label_callback(struct nsec3_forall_label_s*);
  
  struct nsec3_forall_label_s
  {
      zdb_zone* zone;
      nsec3_forall_label_callback *callback;
      void *callback_args;    // 4 callback
      s32 label_stack_level;
      s32 name_len;
      s32 origin_len;
      unsigned int callback_need_fqdn:1,nsec3_covered:1,optout:1,can_ignore_signatures:1;
      s8 chain_index;
      u8 zone_lock_owner;     // typically: read
      u8 zone_reserved_owner; // typically: write
      bool last_call;
      zdb_rr_label *label_stack[128];
      u8 name[2 + MAX_DOMAIN_LENGTH];
  };
  
  typedef struct nsec3_forall_label_s nsec3_forall_label_s;
  
  static inline zdb_rr_label* nsec3_forall_label_get_label(nsec3_forall_label_s *ctx)
  {
      return ctx->label_stack[ctx->label_stack_level];
  }
  
  /**
   * This function goes through all the nsec3 database, ie: for updating/creating an nsec3param chain.
   * This is meant to be used in a background thread.
   */
  
  void nsec3_forall_label(zdb_zone *zone, s8 chain_index, bool callback_need_fqdn, bool opt_out, bool can_ignore_signatures, u8 lock_owner, u8 reserved_owner, nsec3_forall_label_callback *callback, void *callback_args);
  