113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
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/* zinfo.h - zone info */
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#ifndef ZINFO_H
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#define ZINFO_H
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struct zone_entry_t;
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/**
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* Store zone content information
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* zone identity is stored in zone_entry_t.
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*/
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struct zinfo_t {
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/**
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* directory to use for disk storage
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* o zone.<name>.index -- oldest SOA number in dir
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* o zone.<name>.ixfr.<soa> -- text format ixfr to next version.
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* o zone.<name>.full.<soa> -- text format full zone file.
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* The full file may be omitted for many versions. At least one.
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*/
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char* dir;
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/** is the zone present at all (or empty, no data) */
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int is_present;
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/** latest serial number */
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uint32_t last_serial;
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/** latest SOA (also present in complete zone) plus rrsigs */
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ldns_rr_list* last_soa;
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/** tree of versions, sorted by serial and contains IXFRs.
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* the last serial number is not in here, but kept as complete zone. */
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ldns_rbtree_t vs;
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/** for last version, the complete zone. zdomain_t sorted by name */
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ldns_rbtree_t zone;
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};
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/**
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* A zone version
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*/
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struct zversion_t {
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/** rbtree node, sorted by serial */
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ldns_rbnode_t node;
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/** serial number */
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uint32_t serial;
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/** next serial number */
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uint32_t next_serial;
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/** ixfr contents */
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ldns_rr_list* ixfr;
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};
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/**
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* A domain name in the complete zone tree
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*/
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struct zdomain_t {
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/** rbtree node */
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ldns_rbnode_t node;
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/** rdf name */
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ldns_rdf* name;
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/** the rrsets present, sorted by type */
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ldns_rbtree_t rrsets;
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};
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/**
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* An rrset at a name in the complete zone tree
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*/
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struct zrrset_t {
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/** rbtree node */
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ldns_rbnode_t node;
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/** rr set */
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ldns_rr_list* list;
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};
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/**
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* Create a zinfo. No data, empty.
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*/
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struct zinfo_t* zinfo_create(void);
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/**
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* Delete a zinfo
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*/
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void zinfo_delete(struct zinfo_t* zinfo);
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/**
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* Read zone info from stable storage (disk)
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*/
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int zinfo_read(struct zone_entry_t* entry);
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/** Get a pointer to a static buffer with filename */
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const char* zinfo_index_name(struct zone_entry_t* entry);
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/** Get a pointer to a static buffer with filename */
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const char* zinfo_ixfr_name(struct zone_entry_t* entry, uint32_t soa);
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/** Get a pointer to a static buffer with filename */
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const char* zinfo_full_name(struct zone_entry_t* entry, uint32_t soa);
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int zinfo_get_zone_diff(struct zone_entry_t* entry, uint32_t serial_from,
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uint32_t serial_to, ldns_rr_list** rr_remove, ldns_rr_list** rr_add,
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ldns_rr** soa_from, ldns_rr** soa_to);
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void zinfo_get_zone_full(struct zone_entry_t* entry, uint32_t serial,
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ldns_zone** z);
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/* ----------------------- zversion ---------------------- */
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void zversion_delete(struct zversion_t* v);
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struct zversion_t* zversion_read(struct zone_entry_t* entry, uint32_t serial);
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/* ----------------------- zdomain ---------------------- */
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void zdomain_delete(struct zdomain_t* d);
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int zfull_read(struct zone_entry_t* entry, uint32_t serial);
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/* ----------------------- zrrset ---------------------- */
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void zrrset_delete(struct zrrset_t* r);
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#endif
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