void
v_serviceRenewLease(
v_service service,
os_duration leasePeriod)
{
assert(service != NULL);
assert(C_TYPECHECK(service, v_service));
OSPL_LOCK(service);
v_leaseRenew(service->lease, leasePeriod);
OSPL_UNLOCK(service);
}
void
v_participantRenewLease(
v_participant p,
v_duration leasePeriod)
{
assert(p != NULL);
assert(C_TYPECHECK(p, v_participant));
c_lockWrite(&p->lock);
v_leaseRenew(p->lease, leasePeriod);
c_lockUnlock(&p->lock);
}
void
v_serviceRenewLease(
v_service service,
v_duration leasePeriod)
{
assert(service != NULL);
assert(C_TYPECHECK(service, v_service));
v_observerLock(v_observer(service));
v_leaseRenew(service->lease, &leasePeriod);
v_observerUnlock(v_observer(service));
}
c_bool
collectExpired(
c_object o,
c_voidp arg)
{
v_leaseAction leaseAction = v_leaseAction(o);
struct collectExpiredArg *a = (struct collectExpiredArg *)arg;
c_time headExpTime;
c_time leaseExpTime;
c_bool setHead;
c_equality cmp;
setHead = TRUE;
leaseExpTime = v_leaseExpiryTime(leaseAction->lease);
/*
* A lease is expired if the expiry time is greater than or equal
* to the current time!
*/
cmp = c_timeCompare(a->now, leaseExpTime);
if ((cmp == C_GT) || (cmp == C_EQ)) {
a->expiredLeases = c_iterInsert(a->expiredLeases, c_keep(leaseAction));
/* An expired lease can still become the next expirytime,
* if it should be repeated
*/
if (leaseAction->repeat)
{
v_leaseRenew(leaseAction->lease, NULL);
} else
{
setHead = FALSE;
}
}
if (setHead) {
if (a->firstLeaseToExpire == NULL) {
a->firstLeaseToExpire = c_keep(leaseAction);
} else {
headExpTime = v_leaseExpiryTime(a->firstLeaseToExpire->lease);
leaseExpTime = v_leaseExpiryTime(leaseAction->lease);
if (c_timeCompare(headExpTime, leaseExpTime) == C_GT) {
c_free(a->firstLeaseToExpire);
a->firstLeaseToExpire = c_keep(leaseAction);
}
}
}
return TRUE;
}
c_iter
v_deadLineInstanceListCheckDeadlineMissed(
v_deadLineInstanceList list,
v_duration deadlineTime,
c_time now)
{
c_time expiryTime;
v_instance listItem;
c_iter missed;
assert(C_TYPECHECK(list,v_deadLineInstanceList));
missed = NULL;
if (v_instanceAlone(v_instance(list))) { /* list is empty */
assert (list->deadlineLease != NULL);
v_leaseManagerDeregister(list->leaseManager, list->deadlineLease);
c_free(list->deadlineLease);
list->deadlineLease = NULL;
} else {
listItem = v_instance(list)->prev;
expiryTime = c_timeSub(now, deadlineTime);
while ((listItem != NULL) &&
(v_objectKind(listItem) != K_DEADLINEINSTANCE) &&
(c_timeCompare(expiryTime, listItem->lastCheckTime) != C_LT)) {
missed = c_iterInsert(missed, listItem);
listItem->lastCheckTime = now;
listItem = listItem->prev;
}
/* determine next wake-up time */
if (v_objectKind(listItem) == K_DEADLINEINSTANCE) {
/* listItem is the deadline list itself, so if there
* were instances all instances have been missed. Just
* set the new check to be in 'deadlineTime'.
*/
expiryTime = deadlineTime;
} else {
/*
* The new lease duration can be calculated:
* lastCheckTime + deadlineTime = next expiry time
* next expiry time - now = lease duration
*/
expiryTime = c_timeAdd(listItem->lastCheckTime, deadlineTime);
expiryTime = c_timeSub(expiryTime, now);
v_leaseRenew(list->deadlineLease, expiryTime);
}
}
return missed;
}
void
v_deadLineInstanceListSetDuration(
v_deadLineInstanceList list,
v_duration duration)
{
v_kernel k;
v_result result;
assert(C_TYPECHECK(list,v_deadLineInstanceList));
list->leaseDuration = duration;
if (list->deadlineLease != NULL) {
if (c_timeCompare(duration, C_TIME_INFINITE) != C_EQ) {
v_leaseRenew(list->deadlineLease,duration);
} else {
v_leaseManagerDeregister(list->leaseManager, list->deadlineLease);
c_free(list->deadlineLease);
list->deadlineLease = NULL;
}
} else {
if ((v_objectKind(v_instance(list)->prev) != K_DEADLINEINSTANCE) && /* not in list */
(c_timeCompare(duration, C_TIME_INFINITE) != C_EQ)) { /* new instance */
k = v_objectKernel(list->leaseManager);
list->deadlineLease = v_leaseNew(k, duration);
if(list->deadlineLease)
{
result = v_leaseManagerRegister(
list->leaseManager,
list->deadlineLease,
list->actionId,
v_public(list->actionObject),
TRUE /* repeat lease if expired */);
if(result != V_RESULT_OK)
{
c_free(list->deadlineLease);
list->deadlineLease = NULL;
OS_REPORT_1(OS_ERROR, "v_deadLineInstanceList", 0,
"A fatal error was detected when trying to register the deadline lease."
"The result code was %d.", result);
}
}
}
}
}
