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mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-31 06:25:31 +00:00

187. [func] isc_ratelimter_enqueue() has an additional arguement

'task'.

 checkpoint zone maintence / notify work.
This commit is contained in:
Mark Andrews
2000-05-18 04:43:00 +00:00
parent 59abb512d3
commit 1aae402fc3
3 changed files with 149 additions and 72 deletions

View File

@@ -122,27 +122,37 @@ isc_ratelimiter_setpertic(isc_ratelimiter_t *rl, isc_uint32_t pertic) {
}
isc_result_t
isc_ratelimiter_enqueue(isc_ratelimiter_t *rl, isc_event_t **eventp) {
isc_ratelimiter_enqueue(isc_ratelimiter_t *rl, isc_task_t *task,
isc_event_t **eventp)
{
isc_result_t result = ISC_R_SUCCESS;
INSIST(eventp != NULL && *eventp != NULL);
isc_event_t *ev;
REQUIRE(eventp != NULL && *eventp != NULL);
REQUIRE(task != NULL);
ev = *eventp;
REQUIRE(ev->ev_sender == NULL);
LOCK(&rl->lock);
if (rl->state == isc_ratelimiter_ratelimited) {
isc_event_t *ev = *eventp;
ev->ev_sender = task;
ISC_LIST_APPEND(rl->pending, ev, ev_link);
*eventp = NULL;
} else if (rl->state == isc_ratelimiter_worklimited) {
result = isc_timer_reset(rl->timer, isc_timertype_ticker, NULL,
&rl->interval, ISC_FALSE);
if (result == ISC_R_SUCCESS)
if (result == ISC_R_SUCCESS) {
ev->ev_sender = task;
rl->state = isc_ratelimiter_ratelimited;
}
} else {
INSIST(rl->state == isc_ratelimiter_shuttingdown);
result = ISC_R_SHUTTINGDOWN;
}
UNLOCK(&rl->lock);
if (*eventp != NULL)
isc_task_send(rl->task, eventp);
ENSURE(*eventp == NULL);
if (*eventp != NULL && result == ISC_R_SUCCESS)
isc_task_send(task, eventp);
return (result);
}
@@ -179,8 +189,10 @@ ratelimiter_tick(isc_task_t *task, isc_event_t *event) {
pertic = 0; /* Force the loop to exit. */
}
UNLOCK(&rl->lock);
if (p != NULL)
isc_task_send(rl->task, &p);
if (p != NULL) {
isc_task_t *evtask = p->ev_sender;
isc_task_send(evtask, &p);
}
INSIST(p == NULL);
}
}
@@ -188,6 +200,7 @@ ratelimiter_tick(isc_task_t *task, isc_event_t *event) {
void
isc_ratelimiter_shutdown(isc_ratelimiter_t *rl) {
isc_event_t *ev;
isc_task_t *task;
LOCK(&rl->lock);
rl->state = isc_ratelimiter_shuttingdown;
(void) isc_timer_reset(rl->timer, isc_timertype_inactive,
@@ -195,7 +208,8 @@ isc_ratelimiter_shutdown(isc_ratelimiter_t *rl) {
while ((ev = ISC_LIST_HEAD(rl->pending)) != NULL) {
ISC_LIST_UNLINK(rl->pending, ev, ev_link);
ev->ev_attributes |= ISC_EVENTATTR_CANCELED;
isc_task_send(rl->task, &ev);
task = ev->ev_sender;
isc_task_send(task, &ev);
}
UNLOCK(&rl->lock);
}