#include <config.h>#include <isc/mem.h>#include <isc/netaddr.h>#include <isc/string.h>#include <isc/task.h>#include <isc/util.h>#include <dns/db.h>#include <dns/events.h>#include <dns/lookup.h>#include <dns/rdata.h>#include <dns/rdataset.h>#include <dns/rdatastruct.h>#include <dns/resolver.h>#include <dns/result.h>#include <dns/view.h>Go to the source code of this file.
Data Structures | |
| struct | dns_lookup |
Defines | |
| #define | LOOKUP_MAGIC ISC_MAGIC('l', 'o', 'o', 'k') |
| #define | VALID_LOOKUP(l) ISC_MAGIC_VALID((l), LOOKUP_MAGIC) |
| #define | MAX_RESTARTS 16 |
Functions | |
| static void | lookup_find (dns_lookup_t *lookup, dns_fetchevent_t *event) |
| static void | fetch_done (isc_task_t *task, isc_event_t *event) |
| static isc_result_t | start_fetch (dns_lookup_t *lookup) |
| static isc_result_t | build_event (dns_lookup_t *lookup) |
| static isc_result_t | view_find (dns_lookup_t *lookup, dns_name_t *foundname) |
| static void | levent_destroy (isc_event_t *event) |
| isc_result_t | dns_lookup_create (isc_mem_t *mctx, dns_name_t *name, dns_rdatatype_t type, dns_view_t *view, unsigned int options, isc_task_t *task, isc_taskaction_t action, void *arg, dns_lookup_t **lookupp) |
| Finds the rrsets matching 'name' and 'type'. | |
| void | dns_lookup_cancel (dns_lookup_t *lookup) |
| Cancel 'lookup'. | |
| void | dns_lookup_destroy (dns_lookup_t **lookupp) |
| Destroy 'lookup'. | |
Definition in file lookup.c.
| #define LOOKUP_MAGIC ISC_MAGIC('l', 'o', 'o', 'k') |
| #define VALID_LOOKUP | ( | l | ) | ISC_MAGIC_VALID((l), LOOKUP_MAGIC) |
Definition at line 60 of file lookup.c.
Referenced by dns_lookup_cancel(), dns_lookup_destroy(), fetch_done(), and lookup_find().
| static void lookup_find | ( | dns_lookup_t * | lookup, | |
| dns_fetchevent_t * | event | |||
| ) | [static] |
Definition at line 181 of file lookup.c.
References build_event(), dns_lookup::canceled, dns_db_attach(), dns_db_attachnode(), dns_db_detach(), dns_db_detachnode(), dns_fixedname_init, dns_fixedname_name, dns_name_concatenate(), dns_name_copy(), dns_name_fullcompare(), dns_name_split(), dns_namereln_subdomain, DNS_R_CNAME, DNS_R_DNAME, dns_rdata_freestruct(), DNS_RDATA_INIT, dns_rdata_reset(), dns_rdata_tostruct(), dns_rdataset_current(), dns_rdataset_disassociate(), dns_rdataset_first(), dns_rdataset_isassociated(), dns_resolver_destroyfetch(), dns_view_detach(), dns_lookup::event, dns_lookup::fetch, fixed, INSIST, isc_event_free(), ISC_EVENT_PTR, ISC_FALSE, ISC_R_CANCELED, ISC_R_NOTFOUND, ISC_R_QUOTA, ISC_R_SUCCESS, isc_task_sendanddetach(), ISC_TRUE, dns_lookup::lock, LOCK, MAX_RESTARTS, dns_lookup::name, name, dns_lookup::rdataset, REQUIRE, dns_lookup::restarts, dns_lookup::sigrdataset, start_fetch(), dns_lookup::task, UNLOCK, VALID_LOOKUP, dns_lookup::view, and view_find().
Referenced by dns_lookup_create(), and fetch_done().
| static void fetch_done | ( | isc_task_t * | task, | |
| isc_event_t * | event | |||
| ) | [static] |
Definition at line 67 of file lookup.c.
References DNS_EVENT_FETCHDONE, dns_lookup::fetch, lookup_find(), REQUIRE, dns_lookup::task, UNUSED, and VALID_LOOKUP.
| static isc_result_t start_fetch | ( | dns_lookup_t * | lookup | ) | [inline, static] |
Definition at line 82 of file lookup.c.
References dns_fixedname_name, dns_resolver_createfetch(), dns_lookup::fetch, fetch_done(), dns_lookup::name, dns_lookup::rdataset, REQUIRE, dns_view::resolver, dns_lookup::sigrdataset, dns_lookup::task, dns_lookup::type, and dns_lookup::view.
| static isc_result_t build_event | ( | dns_lookup_t * | lookup | ) | [static] |
Definition at line 104 of file lookup.c.
References dns_fixedname_name, dns_name_dup(), dns_name_dynamic(), dns_name_free(), dns_name_init(), dns_rdataset_clone(), dns_rdataset_disassociate(), dns_rdataset_init(), dns_rdataset_isassociated(), dns_lookup::event, isc_mem_get, isc_mem_put, ISC_R_NOMEMORY, ISC_R_SUCCESS, dns_lookup::mctx, dns_lookup::name, name, dns_lookup::rdataset, and dns_lookup::sigrdataset.
Referenced by lookup_find().
| static isc_result_t view_find | ( | dns_lookup_t * | lookup, | |
| dns_name_t * | foundname | |||
| ) | [static] |
Definition at line 163 of file lookup.c.
References dns_fixedname_name, dns_view_find(), dns_lookup::event, ISC_FALSE, dns_lookup::name, name, dns_lookup::rdataset, dns_lookup::sigrdataset, dns_lookup::type, and dns_lookup::view.
| static void levent_destroy | ( | isc_event_t * | event | ) | [static] |
Definition at line 356 of file lookup.c.
References dns_db_detach(), dns_db_detachnode(), DNS_EVENT_LOOKUPDONE, dns_name_dynamic(), dns_name_free(), dns_rdataset_disassociate(), isc_mem_put, mctx, and REQUIRE.
Referenced by dns_lookup_create().
| isc_result_t dns_lookup_create | ( | isc_mem_t * | mctx, | |
| dns_name_t * | name, | |||
| dns_rdatatype_t | type, | |||
| dns_view_t * | view, | |||
| unsigned int | options, | |||
| isc_task_t * | task, | |||
| isc_taskaction_t | action, | |||
| void * | arg, | |||
| dns_lookup_t ** | lookupp | |||
| ) |
Finds the rrsets matching 'name' and 'type'.
Requires:
Definition at line 385 of file lookup.c.
References dns_lookup::canceled, DESTROYLOCK, DNS_EVENT_LOOKUPDONE, dns_fixedname_init, dns_fixedname_name, dns_name_copy(), dns_rdataset_init(), dns_view_attach(), dns_lookup::event, dns_lookup::fetch, isc_event_allocate(), isc_event_free(), ISC_FALSE, isc_mem_attach(), isc_mem_get, isc_mem_putanddetach, isc_mutex_init, ISC_R_FAILURE, ISC_R_NOMEMORY, ISC_R_SUCCESS, isc_task_attach(), isc_task_detach(), levent_destroy(), dns_lookup::lock, lookup_find(), LOOKUP_MAGIC, dns_lookup::magic, dns_lookup::mctx, dns_lookup::name, dns_lookup::options, dns_lookup::rdataset, dns_lookup::restarts, dns_lookup::sigrdataset, dns_lookup::task, dns_lookup::type, and dns_lookup::view.
Referenced by dns_byaddr_create(), and start_lookup().
| void dns_lookup_cancel | ( | dns_lookup_t * | lookup | ) |
Cancel 'lookup'.
Notes:
Definition at line 462 of file lookup.c.
References dns_lookup::canceled, dns_resolver_cancelfetch(), dns_lookup::fetch, INSIST, ISC_TRUE, dns_lookup::lock, LOCK, REQUIRE, UNLOCK, VALID_LOOKUP, and dns_lookup::view.
Referenced by dns_byaddr_cancel().
| void dns_lookup_destroy | ( | dns_lookup_t ** | lookupp | ) |
Destroy 'lookup'.
Requires:
Definition at line 479 of file lookup.c.
References DESTROYLOCK, dns_rdataset_disassociate(), dns_rdataset_isassociated(), dns_lookup::event, isc_mem_putanddetach, dns_lookup::lock, dns_lookup::magic, dns_lookup::mctx, dns_lookup::rdataset, REQUIRE, dns_lookup::sigrdataset, dns_lookup::task, VALID_LOOKUP, and dns_lookup::view.
Referenced by dns_byaddr_destroy(), and lookup_done().