Data Structures | Functions
iter_donotq.h File Reference

This file contains functions to assist the iterator module. More...

#include "util/storage/dnstree.h"

Data Structures

struct  iter_donotq
 Iterator donotqueryaddresses structure. More...
 

Functions

struct iter_donotqdonotq_create (void)
 Create donotqueryaddresses structure. More...
 
void donotq_delete (struct iter_donotq *donotq)
 Delete donotqueryaddresses structure. More...
 
int donotq_apply_cfg (struct iter_donotq *donotq, struct config_file *cfg)
 Process donotqueryaddresses config. More...
 
int donotq_lookup (struct iter_donotq *donotq, struct sockaddr_storage *addr, socklen_t addrlen)
 See if an address is blocked. More...
 
size_t donotq_get_mem (struct iter_donotq *donotq)
 Get memory used by donotqueryaddresses structure. More...
 

Detailed Description

This file contains functions to assist the iterator module.

Keep track of the donotquery addresses and lookup fast.

Function Documentation

◆ donotq_create()

struct iter_donotq* donotq_create ( void  )

Create donotqueryaddresses structure.

Returns
new structure or NULL on error.

References donotq_delete(), iter_donotq::region, and regional_create().

Referenced by iter_apply_cfg().

◆ donotq_delete()

void donotq_delete ( struct iter_donotq donotq)

Delete donotqueryaddresses structure.

Parameters
donotqto delete.

References iter_donotq::region, and regional_destroy().

Referenced by donotq_create(), and iter_deinit().

◆ donotq_apply_cfg()

int donotq_apply_cfg ( struct iter_donotq donotq,
struct config_file cfg 
)

Process donotqueryaddresses config.

Parameters
donotqwhere to store.
cfgconfig options.
Returns
0 on error.

References addr_tree_init(), addr_tree_init_parents(), config_file::do_ip6, donotq_str_cfg(), config_file::donotquery_localhost, read_donotq(), iter_donotq::region, regional_free_all(), and iter_donotq::tree.

Referenced by iter_apply_cfg().

◆ donotq_lookup()

int donotq_lookup ( struct iter_donotq donotq,
struct sockaddr_storage *  addr,
socklen_t  addrlen 
)

See if an address is blocked.

Parameters
donotqstructure for address storage.
addraddress to check
addrlenlength of addr.
Returns
: true if the address must not be queried. false if unlisted.

References addr_tree_lookup(), and iter_donotq::tree.

Referenced by iter_filter_unsuitable().

◆ donotq_get_mem()

size_t donotq_get_mem ( struct iter_donotq donotq)

Get memory used by donotqueryaddresses structure.

Parameters
donotqstructure for address storage.
Returns
bytes in use.

References iter_donotq::region, and regional_get_mem().

Referenced by iter_get_mem().