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/*
* xfrd-catalog-zones.h -- catalog zone implementation for NSD
*
* Copyright (c) 2024, NLnet Labs. All rights reserved.
*
* See LICENSE for the license.
*/
#ifndef XFRD_CATALOG_ZONES_H
#define XFRD_CATALOG_ZONES_H
#include "xfrd.h"
struct xfrd_producer_member;
struct xfrd_producer_xfr;
/**
* Catalog zones withing the xfrd context
*/
struct xfrd_catalog_consumer_zone {
/* For indexing in struc xfrd_state { rbtree_type* catalog_consumer_zones; } */
rbnode_type node;
/* Associated zone options with this catalog consumer zone */
struct zone_options* options;
/* Member zones indexed by member_id */
rbtree_type member_ids;
/* Last time processed, compare with zone->mtime to see if we need to process */
struct timespec mtime;
/* The reason for this zone to be invalid, or NULL if it is valid */
char *invalid;
} ATTR_PACKED;
/**
* Catalog producer zones withing the xfrd context
*/
struct xfrd_catalog_producer_zone {
/* For indexing in struc xfrd_state { rbtree_type* catalog_producer_zones; } */
rbnode_type node;
/* Associated zone options with this catalog consumer zone */
struct zone_options* options;
/* Member zones indexed by member_id */
rbtree_type member_ids;
/* SOA serial for this zone */
uint32_t serial;
/* Stack of members to delete from this catalog producer zone */
struct xfrd_producer_member* to_delete;
/* Stack of member zones to add to this catalog producer zone */
struct xfrd_producer_member* to_add;
/* To cleanup on disk xfr files */
struct xfrd_producer_xfr* latest_pxfr;
/* Set if next generated xfr for the producer zone should be axfr */
unsigned axfr: 1;
} ATTR_PACKED;
/**
* Data to add or remove from a catalog producer zone
*/
struct xfrd_producer_member {
const dname_type* member_id;
const dname_type* member_zone_name;
const char* group_name;
struct xfrd_producer_member* next;
} ATTR_PACKED;
/**
* To track applied generated transfers from catalog producer zones
*/
struct xfrd_producer_xfr {
uint32_t serial;
uint64_t xfrfilenumber;
struct xfrd_producer_xfr** prev_next_ptr;
struct xfrd_producer_xfr* next;
} ATTR_PACKED;
/* Initialize as a catalog consumer zone */
void xfrd_init_catalog_consumer_zone(xfrd_state_type* xfrd,
struct zone_options* zone);
/* To be called if and a zone is no longer a catalog zone (changed pattern) */
void xfrd_deinit_catalog_consumer_zone(xfrd_state_type* xfrd,
const dname_type* dname);
/* make the catalog consumer zone invalid for given reason */
void make_catalog_consumer_invalid(
struct xfrd_catalog_consumer_zone *consumer_zone,
const char *format, ...) ATTR_FORMAT(printf, 2, 3);
/* Return the reason a zone is invalid, or NULL on a valid catalog */
const char *invalid_catalog_consumer_zone(struct zone_options* zone);
/* make the catalog consumer zone valid again */
void make_catalog_consumer_valid(
struct xfrd_catalog_consumer_zone *consumer_zone);
/* Check the catalog consumer zone files (or file if zone is given) */
void xfrd_check_catalog_consumer_zonefiles(const dname_type* name);
/* process the catalog consumer zones, load if needed */
void xfrd_process_catalog_consumer_zones();
/* Add (or change) <member_id> PTR <member_zone_name>, and
* group.<member_id> TXT <pattern->pname> to the associated producer zone by
* constructed xfr. make cmz->member_id if needed. */
void xfrd_add_catalog_producer_member(struct catalog_member_zone* cmz);
/* Delete <member_id> PTR <member_zone_name>, and
* group.<member_id> TXT <pattern->pname> from the associated producer zone by
* constructed xfr. Return 1 if zone is deleted. In this case, member_zone_name
* is taken over by xfrd and cannot be recycled by the caller. member_zone_name
* must have been allocated int the xfrd->nsd->options->region
*/
int xfrd_del_catalog_producer_member(xfrd_state_type* xfrd,
const dname_type* dname);
/* process the catalog producer zones */
void xfrd_process_catalog_producer_zones();
#endif
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