/**
* Put worker to sleep unless worker has measured up to all appointed jobs.
*
*/
void
worker_sleep_unless(worker_type* worker, time_t timeout)
{
ods_log_assert(worker);
lock_basic_lock(&worker->worker_lock);
/* [LOCK] worker */
if (!worker->need_to_exit && !worker_fulfilled(worker)) {
worker->sleeping = 1;
lock_basic_sleep(&worker->worker_alarm, &worker->worker_lock,
timeout);
}
/* [UNLOCK] worker */
lock_basic_unlock(&worker->worker_lock);
return;
}
/**
* Put worker to sleep unless worker has measured up to all appointed jobs.
*
*/
void
worker_sleep_unless(worker_type* worker, time_t timeout)
{
ods_log_assert(worker);
lock_basic_lock(&worker->worker_lock);
while (!worker->need_to_exit && !worker_fulfilled(worker)) {
worker->sleeping = 1;
lock_basic_sleep(&worker->worker_alarm, &worker->worker_lock,
timeout);
ods_log_debug("[%s[%i]] somebody poked me, check completed jobs %u "
"appointed, %u completed, %u failed", worker2str(worker->type),
worker->thread_num, worker->jobs_appointed, worker->jobs_completed,
worker->jobs_failed);
}
lock_basic_unlock(&worker->worker_lock);
return;
}
/**
* Drudge.
*
*/
static void
worker_drudge(worker_type* worker)
{
engine_type* engine = NULL;
zone_type* zone = NULL;
task_type* task = NULL;
rrset_type* rrset = NULL;
ods_status status = ODS_STATUS_OK;
worker_type* superior = NULL;
hsm_ctx_t* ctx = NULL;
ods_log_assert(worker);
ods_log_assert(worker->engine);
ods_log_assert(worker->type == WORKER_DRUDGER);
engine = (engine_type*) worker->engine;
while (worker->need_to_exit == 0) {
ods_log_deeebug("[%s[%i]] report for duty", worker2str(worker->type),
worker->thread_num);
/* initialize */
superior = NULL;
zone = NULL;
task = NULL;
/* get item */
lock_basic_lock(&engine->signq->q_lock);
rrset = (rrset_type*) fifoq_pop(engine->signq, &superior);
if (!rrset) {
ods_log_deeebug("[%s[%i]] nothing to do, wait",
worker2str(worker->type), worker->thread_num);
/**
* Apparently the queue is empty. Wait until new work is queued.
* The drudger will release the signq lock while sleeping and
* will automatically grab the lock when the threshold is reached.
* Threshold is at 1 and MAX (after a number of tries).
*/
lock_basic_sleep(&engine->signq->q_threshold,
&engine->signq->q_lock, 0);
rrset = (rrset_type*) fifoq_pop(engine->signq, &superior);
}
lock_basic_unlock(&engine->signq->q_lock);
/* do some work */
if (rrset) {
ods_log_assert(superior);
if (!ctx) {
ods_log_debug("[%s[%i]] create hsm context",
worker2str(worker->type), worker->thread_num);
ctx = hsm_create_context();
}
if (!ctx) {
ods_log_crit("[%s[%i]] error creating libhsm context",
worker2str(worker->type), worker->thread_num);
engine->need_to_reload = 1;
lock_basic_lock(&superior->worker_lock);
superior->jobs_failed++;
lock_basic_unlock(&superior->worker_lock);
} else {
ods_log_assert(ctx);
lock_basic_lock(&superior->worker_lock);
task = superior->task;
ods_log_assert(task);
zone = task->zone;
lock_basic_unlock(&superior->worker_lock);
ods_log_assert(zone);
ods_log_assert(zone->apex);
ods_log_assert(zone->signconf);
worker->clock_in = time(NULL);
status = rrset_sign(ctx, rrset, superior->clock_in);
lock_basic_lock(&superior->worker_lock);
if (status == ODS_STATUS_OK) {
superior->jobs_completed++;
} else {
superior->jobs_failed++;
}
lock_basic_unlock(&superior->worker_lock);
}
if (worker_fulfilled(superior) && superior->sleeping) {
ods_log_deeebug("[%s[%i]] wake up superior[%u], work is "
"done", worker2str(worker->type), worker->thread_num,
superior->thread_num);
worker_wakeup(superior);
}
superior = NULL;
rrset = NULL;
}
/* done work */
}
/* wake up superior */
if (superior && superior->sleeping) {
ods_log_deeebug("[%s[%i]] wake up superior[%u], i am exiting",
worker2str(worker->type), worker->thread_num, superior->thread_num);
worker_wakeup(superior);
}
/* cleanup open HSM sessions */
if (ctx) {
hsm_destroy_context(ctx);
}
return;
}
