Data Structures

Here are the data structures with brief descriptions:

acl_addr	An address span with access control information
acl_list	Access control storage structure
addr_tree_node	Tree of IP addresses
algo_needs	Storage for algorithm needs
alloc_cache	Structure that provides allocation
autr_global_data	Autotrust global metadata
autr_point_data	Autotrust metadata for a trust point
autr_ta	Autotrust metadata for one trust anchor key
canon_rr	RR entries in a canonical sorted tree of RRs
ce_response	Closest encloser (ce) proof results Contains the ce and the next-closer (nc) proof
codeline	The allocation statistics block
comm_base	A communication point dispatcher
comm_point	Communication point to the network These behaviours can be accomplished by setting the flags and passing return values from the callback
comm_reply	Reply information for a communication point
comm_signal	Structure only for signal events
comm_timer	Structure only for making timeout events
compress_tree_node	Data structure to help domain name compression in outgoing messages
config_collate_arg	Collate func arg
config_file	The configuration options
config_parser_state	Used during options parsing
config_str2list	List of two strings for config options
config_strlist	List of strings for config options
config_strlist_head	List head for strlist processing, used for append operation
config_stub	Stub config options
ctx_query	The queries outstanding for the libunbound resolver
daemon	Structure holding worker list
daemon_remote	The remote control tool state
del_info	Local info for deletion functions
delegpt	Delegation Point
delegpt_addr	Address of target nameserver in delegation point
delegpt_ns	Nameservers for a delegation point
dns_msg	Region allocated message reply
edns_data	EDNS data storage EDNS rdata is ignored
entry	Data structure to keep the canned queries in
ext_thr_info	Struct for extended thread info
fake_pending	Pending queries to network, fake replay version
fake_timer	Timers with callbacks, fake replay version
harvest_data	This represents the data that has been collected as well as a todo list and some settings
infra_arg	Structure for argument data for dump infra host
infra_cache	Infra cache
infra_data	Host information encompasses host capabilities and retransmission timeouts
infra_key	Host information kept for every server, per zone
internal_base	Internal base structure, so that every thread has its own events
internal_event	The internal event structure for keeping libevent info for the event
internal_signal	Internal signal structure, to store signal event in
internal_timer	Internal timer structure, to store timer event in
ip_list	List of IP addresses
iter_donotq	Iterator donotqueryaddresses structure
iter_env	Global state for the iterator
iter_forward_zone	Iterator forward servers for a particular zone
iter_forwards	Iterator forward zones structure
iter_hints	Iterator hints structure
iter_hints_stub	Iterator hints for a particular stub
iter_prep_list	List of prepend items
iter_priv	Iterator priv structure
iter_qstate	Per query state for the iterator module
key_cache	Key cache
key_entry_data	Key entry for the validator
key_entry_key	A key entry for the validator
keysets	Key settings
labdata	Every label has a sest of sublabels, that have sets of sublabels ..
libworker	The library-worker status structure Internal to the worker
listen_dnsport	Listening for queries structure
listen_list	Single linked list to store event points
listen_port	Single linked list to store shared ports that have been opened for use by all threads
local_data	Local data
local_rrset	A local data RRset
local_zone	Local zone
local_zones	Authoritative local zones storage, shared
lock_ref	Reference to a lock in a rbtree set
lookinfo	Result list for the lookups
lruhash	Hash table that keeps LRU list of entries
lruhash_bin	A single bin with a linked list of entries in it
lruhash_entry	An entry into the hash table
mesh_area	Mesh of query states
mesh_cb	Callback to result routine
mesh_reply	Reply to a client
mesh_state	A mesh query state Unique per qname, qtype, qclass (from the qstate)
mesh_state_ref	Rbtree reference to a mesh_state
module_env	Module environment
module_func_block	Module functionality block
module_qstate	Module state, per query
module_stack	Stack of modules
msg_parse	Data stored in scratch pad memory during parsing
msgreply_entry	Structure to keep hash table entry for message replies
name_tree_node	Tree of domain names
nsec3_cached_hash	The NSEC3 hash result storage
nsec3_filter	Filter conditions for NSEC3 proof Used to iterate over the applicable NSEC3 RRs
order_id	Keep track of lock id in lock-verify application
order_lock	Lock
outbound_entry	Outbound list entry
outbound_list	The outbound list
outside_network	Send queries to outside servers and wait for answers from servers
packed_rrset	An RRset can be represented using both key and data together
packed_rrset_data	RRset data
packed_rrset_key	The identifying information for an RRset
packed_rrset_list	List of packed rrsets
pending	A query that has an answer pending for it
pending_tcp	Pending TCP query to server
perfinfo	Global info for perf
perfio	I/O port for perf
port_comm	Outgoing commpoint for UDP port
port_if	Outgoing interface
proxy	List of proxy fds that return replies from the server to our clients
pythonmod_env	Global state for the module
pythonmod_qstate	Per query state for the iterator module
query_info	Structure to store query information that makes answers to queries different
rbnode_t	The rbnode_t struct definition
rbtree_t	Definition for tree struct
rc_state	Busy control command connection, SSL state
regional	Regional* is the first block*
replay_answer	An answer that is pending to happen
replay_moment	A replay moment
replay_range	Range of timesteps, and canned replies to matching queries
replay_runtime	Replay storage of runtime information
replay_scenario	A replay scenario
replay_var	Replay macro variable
reply_info	Structure to store DNS query and the reply packet
reply_packet	Struct to keep a linked list of reply packets for a query
ringbuf	The ring buffer
rr_parse	Data stored for an RR during parsing
rrset_cache	The rrset cache Thin wrapper around hashtable, like a typedef
rrset_parse	Data stored for an rrset during parsing
rrset_ref	Information to reference an rrset
rtt_info	RTT information
server_stats	Per worker statistics
service_callback	Callback to party interested in serviced query results
serviced_query	Query service record
slab_test_thr	Structure to threaded test the lru hash table
slabhash	Hash table formed from several smaller ones
slabhash_testdata	Test structure contains test data
slabhash_testkey	Test structure contains test key
sock_list	Linked list of sockaddrs May be allocated such that only 'len' bytes of addr exist for the structure
stats_info	Statistics to send over the control pipe when asked This struct is made to be memcpied, sent in binary
ta_key	Trust anchor key
tcp_proxy	List of TCP proxy fd pairs to TCP connect client to server
tcp_send_list	An item that has to be TCP relayed
test_thr	Structure to threaded test the lru hash table
th_buck	Bucket of time history information
timehist	Keep histogram of time values
todo_item	Todo item
track_id	Keeping track of the async ids
trust_anchor	A trust anchor in the trust anchor store
tube	A pipe
tube_res_list	List of results (arbitrary command serializations) to write back
ub_ctx	The context structure
ub_packed_rrset_key	This structure contains an RRset
ub_randstate	Struct with per-thread random state
ub_result	The validation and resolution results
val_anchors	Trust anchor store
val_env	Global state for the validator
val_neg_cache	The negative cache
val_neg_data	Data element for aggressive negative caching
val_neg_zone	Per Zone aggressive negative caching data
val_qstate	Per query state for the validator module
waiting_tcp	Query waiting for TCP buffer
worker	Structure holding working information for unbound
xml_data	XML parse private data during the parse