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working code

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This commit is contained in:
Bob Halley 2000-01-18 19:07:39 +00:00
parent c8e15d5c18
commit 591ab6023e
1 changed files with 57 additions and 11 deletions
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68
lib/dns/byaddr.c
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@ -23,11 +23,12 @@
#include <isc/assertions.h>
#include <isc/buffer.h>
#include <isc/error.h>
#include <isc/event.h>
#include <isc/mem.h>
#include <isc/mutex.h>
#include <isc/result.h>
#include <isc/task.h>
#include <isc/util.h>
#include <isc/mem.h>
#include <isc/mutex.h>
#include <dns/byaddr.h>
#include <dns/db.h>
@ -135,15 +136,39 @@ address_to_ptr_name(dns_byaddr_t *byaddr, isc_netaddr_t *address) {
static inline isc_result_t
copy_ptr_targets(dns_byaddr_t *byaddr) {
isc_result_t result;
dns_name_t *name;
dns_name_t target;
dns_rdata_t rdata;
isc_region_t r;
/*
* The caller must be holding the byaddr's lock.
*/
/* XXX */
(void)byaddr;
return (DNS_R_NOTIMPLEMENTED);
result = dns_rdataset_first(&byaddr->rdataset);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(&byaddr->rdataset, &rdata);
r.base = rdata.data;
r.length = rdata.length;
dns_name_init(&target, NULL);
dns_name_fromregion(&target, &r);
name = isc_mem_get(byaddr->mctx, sizeof *name);
if (name == NULL)
return (ISC_R_NOMEMORY);
dns_name_init(name, NULL);
result = dns_name_dup(&target, byaddr->mctx, name);
if (result != ISC_R_SUCCESS) {
isc_mem_put(byaddr->mctx, name, sizeof *name);
return (ISC_R_NOMEMORY);
}
ISC_LIST_APPEND(byaddr->event->names, name, link);
result = dns_rdataset_next(&byaddr->rdataset);
}
if (result == DNS_R_NOMORE)
result = ISC_R_SUCCESS;
return (result);
}
static void
@ -311,6 +336,7 @@ byaddr_find(dns_byaddr_t *byaddr, dns_fetchevent_t *event) {
if (event != NULL) {
ievent = (isc_event_t *)event;
isc_event_free(&ievent);
event = NULL;
}
/*
@ -336,6 +362,26 @@ byaddr_find(dns_byaddr_t *byaddr, dns_fetchevent_t *event) {
UNLOCK(&byaddr->lock);
}
static void
bevent_destroy(isc_event_t *event) {
dns_byaddrevent_t *bevent;
dns_name_t *name, *next_name;
isc_mem_t *mctx;
REQUIRE(event->type == DNS_EVENT_BYADDRDONE);
mctx = event->destroy_arg;
bevent = (dns_byaddrevent_t *)event;
for (name = ISC_LIST_HEAD(bevent->names);
name != NULL;
name = next_name) {
next_name = ISC_LIST_NEXT(name, link);
dns_name_free(name, mctx);
isc_mem_put(mctx, name, sizeof *name);
}
isc_mem_put(mctx, event, event->size);
}
isc_result_t
dns_byaddr_create(isc_mem_t *mctx, isc_netaddr_t *address, dns_view_t *view,
unsigned int options, isc_task_t *task,
@ -351,14 +397,14 @@ dns_byaddr_create(isc_mem_t *mctx, isc_netaddr_t *address, dns_view_t *view,
byaddr->mctx = mctx;
byaddr->options = options;
byaddr->event = (dns_byaddrevent_t *)
isc_event_allocate(mctx, NULL, DNS_EVENT_BYADDRDONE,
action, arg, sizeof *byaddr->event);
byaddr->event = isc_mem_get(mctx, sizeof *byaddr->event);
if (byaddr->event == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_byaddr;
}
byaddr->event->byaddr = byaddr;
ISC_EVENT_INIT(byaddr->event, sizeof *byaddr->event, 0, NULL,
DNS_EVENT_BYADDRDONE, action, arg, byaddr,
bevent_destroy, mctx);
byaddr->event->result = ISC_R_FAILURE;
ISC_LIST_INIT(byaddr->event->names);