ComputerSurge/bind9
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api changes expected to be helpful when reconfiguring

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This commit is contained in:
Bob Halley
1999-09-22 18:23:36 +00:00
parent 213973a334
commit 19f08273e2
2 changed files with 54 additions and 8 deletions
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16
lib/dns/include/dns/view.h
View File

@@ -67,6 +67,7 @@ struct dns_view {
isc_mutex_t lock;
/* Locked by lock. */
unsigned int references;
unsigned int attributes;
/* Under owner's locking control. */
ISC_LINK(struct dns_view) link;
};
@@ -75,9 +76,10 @@ struct dns_view {
#define DNS_VIEW_VALID(view) ((view) != NULL && \
(view)->magic == DNS_VIEW_MAGIC)
#define DNS_VIEWATTR_FROZEN 0x01
isc_result_t
dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass, char *name,
dns_db_t *cachedb, dns_resolver_t *resolver,
dns_view_t **viewp);
void
@@ -86,6 +88,18 @@ dns_view_attach(dns_view_t *source, dns_view_t **targetp);
void
dns_view_detach(dns_view_t **viewp);
void
dns_view_setresolver(dns_view_t *view, dns_resolver_t *resolver);
void
dns_view_setcachedb(dns_view_t *view, dns_db_t *cachedb);
isc_result_t
dns_view_addzone(dns_view_t *view, dns_db_t *db);
void
dns_view_freeze(dns_view_t *view);
ISC_LANG_ENDDECLS
#endif /* DNS_VIEW_H */

46
lib/dns/view.c
View File

@@ -34,9 +34,10 @@
#include "../isc/util.h" /* XXXRTH */
#define FROZEN(v) (((v)->attributes & DNS_VIEWATTR_FROZEN) != 0)
isc_result_t
dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass, char *name,
dns_db_t *cachedb, dns_resolver_t *resolver,
dns_view_t **viewp)
{
dns_view_t *view;
@@ -74,16 +75,13 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass, char *name,
result = ISC_R_UNEXPECTED;
goto cleanup_mutex;
}
view->cachedb = NULL;
if (cachedb != NULL)
dns_db_attach(cachedb, &view->cachedb);
view->resolver = NULL;
if (resolver != NULL)
dns_resolver_attach(resolver, &view->resolver);
view->cachedb = NULL;
view->resolver = NULL;
view->mctx = mctx;
view->rdclass = rdclass;
view->references = 1;
view->attributes = 0;
view->magic = DNS_VIEW_MAGIC;
*viewp = view;
@@ -155,3 +153,37 @@ dns_view_detach(dns_view_t **viewp) {
if (need_destroy)
destroy(view);
}
void
dns_view_setresolver(dns_view_t *view, dns_resolver_t *resolver) {
REQUIRE(DNS_VIEW_VALID(view));
REQUIRE(!FROZEN(view));
REQUIRE(view->resolver == NULL);
view->resolver = resolver;
}
void
dns_view_setcachedb(dns_view_t *view, dns_db_t *cachedb) {
REQUIRE(DNS_VIEW_VALID(view));
REQUIRE(!FROZEN(view));
REQUIRE(view->cachedb == NULL);
dns_db_attach(cachedb, &view->cachedb);
}
isc_result_t
dns_view_addzone(dns_view_t *view, dns_db_t *db) {
REQUIRE(DNS_VIEW_VALID(view));
REQUIRE(!FROZEN(view));
return (dns_dbtable_add(view->dbtable, db));
}
void
dns_view_freeze(dns_view_t *view) {
REQUIRE(DNS_VIEW_VALID(view));
REQUIRE(!FROZEN(view));
view->attributes |= DNS_VIEWATTR_FROZEN;
}