diff options
Diffstat (limited to 'external/unbound/util/data/packed_rrset.h')
| -rw-r--r-- | external/unbound/util/data/packed_rrset.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/external/unbound/util/data/packed_rrset.h b/external/unbound/util/data/packed_rrset.h index 6039aef24..28f603d6f 100644 --- a/external/unbound/util/data/packed_rrset.h +++ b/external/unbound/util/data/packed_rrset.h @@ -47,7 +47,7 @@ struct regional; /** type used to uniquely identify rrsets. Cannot be reused without * clearing the cache. */ -typedef uint64_t rrset_id_t; +typedef uint64_t rrset_id_type; /** this rrset is NSEC and is at zone apex (at child side of zonecut) */ #define PACKED_RRSET_NSEC_AT_APEX 0x1 @@ -57,6 +57,10 @@ typedef uint64_t rrset_id_t; * this is set on SOA rrsets in the authority section, to keep its TTL separate * from the SOA in the answer section from a direct SOA query or ANY query. */ #define PACKED_RRSET_SOA_NEG 0x4 +/** This rrset is considered to have a fixed TTL; its TTL doesn't have to be + * updated on encoding in a reply. This flag is not expected to be set in + * cached data. */ +#define PACKED_RRSET_FIXEDTTL 0x80000000 /** number of rrs and rrsets for integer overflow protection. More than * this is not really possible (64K packet has much less RRs and RRsets) in @@ -83,6 +87,7 @@ struct packed_rrset_key { * o PACKED_RRSET_NSEC_AT_APEX * o PACKED_RRSET_PARENT_SIDE * o PACKED_RRSET_SOA_NEG + * o PACKED_RRSET_FIXEDTTL (not supposed to be cached) */ uint32_t flags; /** the rrset type in network format */ @@ -114,7 +119,7 @@ struct ub_packed_rrset_key { * The other values in this struct may only be altered after changing * the id (which needs a writelock on entry.lock). */ - rrset_id_t id; + rrset_id_type id; /** key data: dname, type and class */ struct packed_rrset_key rk; }; @@ -191,6 +196,12 @@ enum sec_status { * RRset data. * * The data is packed, stored contiguously in memory. + * + * It is not always stored contiguously, in that case, an unpacked-packed + * rrset has the arrays separate. A bunch of routines work on that, but + * the packed rrset that is contiguous is for the rrset-cache and the + * cache-response routines in daemon/worker.c. + * * memory layout: * o base struct * o rr_len size_t array @@ -334,7 +345,7 @@ void rrset_data_delete(void* data, void* userdata); * @param key: the rrset key with name, type, class, flags. * @return hash value. */ -hashvalue_t rrset_key_hash(struct packed_rrset_key* key); +hashvalue_type rrset_key_hash(struct packed_rrset_key* key); /** * Fixup pointers in fixed data packed_rrset_data blob. |