gpointer worker_runSerial(WorkLoad* workload) {
utility_assert(workload);
Worker* worker = _worker_getPrivate();
Event* nextEvent = eventqueue_peek(worker->serialEventQueue);
if(nextEvent) {
worker->clock_now = SIMTIME_INVALID;
worker->clock_last = 0;
/* process all events in the priority queue */
while(nextEvent &&
(shadowevent_getTime(nextEvent) < slave_getExecuteWindowEnd(worker->slave)) &&
(shadowevent_getTime(nextEvent) < slave_getEndTime(worker->slave)))
{
/* get next event */
nextEvent = eventqueue_pop(worker->serialEventQueue);
worker->cached_event = nextEvent;
worker->cached_node = shadowevent_getNode(nextEvent);
/* ensure priority */
worker->clock_now = shadowevent_getTime(worker->cached_event);
// engine->clock = worker->clock_now;
utility_assert(worker->clock_now >= worker->clock_last);
gboolean complete = shadowevent_run(worker->cached_event);
if(complete) {
shadowevent_free(worker->cached_event);
}
worker->cached_event = NULL;
worker->cached_node = NULL;
worker->clock_last = worker->clock_now;
worker->clock_now = SIMTIME_INVALID;
nextEvent = eventqueue_peek(worker->serialEventQueue);
}
}
slave_setKilled(worker->slave, TRUE);
/* in single thread mode, we must free the nodes */
GList* hosts = workload->hosts;
while(hosts) {
worker->cached_node = hosts->data;
host_freeAllApplications(worker->cached_node);
worker->cached_node = NULL;
hosts = hosts->next;
}
g_list_foreach(workload->hosts, (GFunc) host_free, NULL);
return NULL;
}
static guint _worker_processNode(Worker* worker, Node* node, SimulationTime barrier) {
/* update cache, reset clocks */
worker->cached_node = node;
worker->clock_last = SIMTIME_INVALID;
worker->clock_now = SIMTIME_INVALID;
worker->clock_barrier = barrier;
/* lock the node */
node_lock(worker->cached_node);
EventQueue* eventq = node_getEvents(worker->cached_node);
Event* nextEvent = eventqueue_peek(eventq);
/* process all events in the nodes local queue */
guint nEventsProcessed = 0;
while(nextEvent && (nextEvent->time < worker->clock_barrier))
{
worker->cached_event = eventqueue_pop(eventq);
MAGIC_ASSERT(worker->cached_event);
/* make sure we don't jump backward in time */
worker->clock_now = worker->cached_event->time;
if(worker->clock_last != SIMTIME_INVALID) {
g_assert(worker->clock_now >= worker->clock_last);
}
/* do the local task */
gboolean complete = shadowevent_run(worker->cached_event);
/* update times */
worker->clock_last = worker->clock_now;
worker->clock_now = SIMTIME_INVALID;
/* finished event can now be destroyed */
if(complete) {
shadowevent_free(worker->cached_event);
nEventsProcessed++;
}
/* get the next event, or NULL will tell us to break */
nextEvent = eventqueue_peek(eventq);
}
/* unlock, clear cache */
node_unlock(worker->cached_node);
worker->cached_node = NULL;
worker->cached_event = NULL;
return nEventsProcessed;
}
static gint _engine_processEvents(Engine* engine) {
MAGIC_ASSERT(engine);
Event* next_event = asyncpriorityqueue_peek(engine->masterEventQueue);
if(next_event) {
Worker* worker = worker_getPrivate();
worker->clock_now = SIMTIME_INVALID;
worker->clock_last = 0;
worker->cached_engine = engine;
/* process all events in the priority queue */
while(next_event && (next_event->time < engine->executeWindowEnd) &&
(next_event->time < engine->endTime))
{
/* get next event */
next_event = asyncpriorityqueue_pop(engine->masterEventQueue);
worker->cached_event = next_event;
MAGIC_ASSERT(worker->cached_event);
worker->cached_node = next_event->node;
/* ensure priority */
worker->clock_now = worker->cached_event->time;
engine->clock = worker->clock_now;
g_assert(worker->clock_now >= worker->clock_last);
gboolean complete = shadowevent_run(worker->cached_event);
if(complete) {
shadowevent_free(worker->cached_event);
}
worker->cached_event = NULL;
worker->cached_node = NULL;
worker->clock_last = worker->clock_now;
worker->clock_now = SIMTIME_INVALID;
next_event = asyncpriorityqueue_peek(engine->masterEventQueue);
}
}
return 0;
}