mir/bind
2
0
Fork 0
mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-30 14:07:59 +00:00
Code Issues Releases Wiki Activity

514. [func] Retry refresh and notify queries if they timeout.

Browse Source 
[RT #388]
This commit is contained in:
Mark Andrews
2000-10-13 13:23:09 +00:00
parent 78bdbbaccb
commit b38ebe307c
2 changed files with 29 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
CHANGES
View File

@@ -1,3 +1,6 @@
514. [func] Retry refresh and notify queries if they timeout.
[RT #388]
513. [func] New functionality added to rdnc and server to allow 513. [func] New functionality added to rdnc and server to allow
individual zones to be refreshed ore reloaded. individual zones to be refreshed ore reloaded.

28
lib/dns/zone.c
View File

@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/ */
/* $Id: zone.c,v 1.230 2000/10/12 21:51:55 mws Exp $ */ /* $Id: zone.c,v 1.231 2000/10/13 13:23:09 marka Exp $ */
#include <config.h> #include <config.h>
@@ -148,6 +148,7 @@ struct dns_zone {
#endif /* NOMINUM_PUBLIC */ #endif /* NOMINUM_PUBLIC */
unsigned int masterscnt; unsigned int masterscnt;
unsigned int curmaster; unsigned int curmaster;
unsigned int refreshcnt;
isc_sockaddr_t masteraddr; isc_sockaddr_t masteraddr;
dns_notifytype_t notifytype; dns_notifytype_t notifytype;
isc_sockaddr_t *notify; isc_sockaddr_t *notify;
@@ -261,6 +262,7 @@ struct dns_notify {
dns_request_t *request; dns_request_t *request;
dns_name_t ns; dns_name_t ns;
isc_sockaddr_t dst; isc_sockaddr_t dst;
unsigned int attempt;
ISC_LINK(dns_notify_t) link; ISC_LINK(dns_notify_t) link;
}; };
@@ -468,6 +470,7 @@ dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx) {
#endif /* NOMINUM_PUBLIC */ #endif /* NOMINUM_PUBLIC */
zone->masterscnt = 0; zone->masterscnt = 0;
zone->curmaster = 0; zone->curmaster = 0;
zone->refreshcnt = 0;
zone->notify = NULL; zone->notify = NULL;
zone->notifytype = dns_notifytype_yes; zone->notifytype = dns_notifytype_yes;
zone->notifycnt = 0; zone->notifycnt = 0;
@@ -1823,6 +1826,7 @@ dns_zone_refresh(dns_zone_t *zone) {
zone->retry = ISC_MIN(zone->retry * 2, 6 * 3600); zone->retry = ISC_MIN(zone->retry * 2, 6 * 3600);
zone->curmaster = 0; zone->curmaster = 0;
zone->refreshcnt = 0;
/* initiate soa query */ /* initiate soa query */
queue_soa_query(zone); queue_soa_query(zone);
} }
@@ -2113,6 +2117,7 @@ notify_create(isc_mem_t *mctx, dns_notify_t **notifyp) {
notify->request = NULL; notify->request = NULL;
isc_sockaddr_any(&notify->dst); isc_sockaddr_any(&notify->dst);
dns_name_init(&notify->ns, NULL); dns_name_init(&notify->ns, NULL);
notify->attempt = 0;
ISC_LINK_INIT(notify, link); ISC_LINK_INIT(notify, link);
notify->magic = NOTIFY_MAGIC; notify->magic = NOTIFY_MAGIC;
*notifyp = notify; *notifyp = notify;
@@ -2763,6 +2768,7 @@ stub_callback(isc_task_t *task, isc_event_t *event) {
isc_event_free(&event); isc_event_free(&event);
dns_request_destroy(&zone->request); dns_request_destroy(&zone->request);
zone->curmaster++; zone->curmaster++;
zone->refreshcnt = 0;
if (exiting || zone->curmaster >= zone->masterscnt) { if (exiting || zone->curmaster >= zone->masterscnt) {
zone->flags &= ~DNS_ZONEFLG_REFRESH; zone->flags &= ~DNS_ZONEFLG_REFRESH;
@@ -2832,6 +2838,13 @@ refresh_callback(isc_task_t *task, isc_event_t *event) {
if (revent->result != ISC_R_SUCCESS) { if (revent->result != ISC_R_SUCCESS) {
zone_log(zone, me, ISC_LOG_INFO, "failure for %s: %s", zone_log(zone, me, ISC_LOG_INFO, "failure for %s: %s",
master, dns_result_totext(revent->result)); master, dns_result_totext(revent->result));
if (revent->result == ISC_R_TIMEDOUT &&
!dns_request_usedtcp(revent->request)) {
if (zone->refreshcnt < 3)
goto same_master;
zone_log(zone, me, ISC_LOG_INFO, "%s: retries exceeded",
master);
}
goto next_master; goto next_master;
} }
@@ -3018,6 +3031,7 @@ refresh_callback(isc_task_t *task, isc_event_t *event) {
isc_event_free(&event); isc_event_free(&event);
dns_request_destroy(&zone->request); dns_request_destroy(&zone->request);
zone->curmaster++; zone->curmaster++;
zone->refreshcnt = 0;
if (zone->curmaster >= zone->masterscnt) { if (zone->curmaster >= zone->masterscnt) {
zone->flags &= ~DNS_ZONEFLG_REFRESH; zone->flags &= ~DNS_ZONEFLG_REFRESH;
if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDREFRESH)) { if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDREFRESH)) {
@@ -3033,6 +3047,7 @@ refresh_callback(isc_task_t *task, isc_event_t *event) {
return; return;
same_master: same_master:
zone->refreshcnt++;
if (msg != NULL) if (msg != NULL)
dns_message_destroy(&msg); dns_message_destroy(&msg);
LOCK(&zone->lock); LOCK(&zone->lock);
@@ -4183,7 +4198,16 @@ notify_done(isc_task_t *task, isc_event_t *event) {
dns_message_destroy(&message); dns_message_destroy(&message);
isc_event_free(&event); isc_event_free(&event);
notify_destroy(notify, ISC_FALSE); if (result == ISC_R_TIMEDOUT && notify->attempt < 3) {
notify->attempt++;
dns_request_destroy(&notify->request);
notify_send_queue(notify);
} else {
if (result == ISC_R_TIMEDOUT)
notify_log(notify->zone, ISC_LOG_INFO,
"NOTIFY to %s: retries exceeded", addrbuf);
notify_destroy(notify, ISC_FALSE);
}
} }
isc_result_t isc_result_t