void statusUpdate(const StatusUpdate& update, const UPID& pid)
{
const TaskStatus& status = update.status();
VLOG(1) << "Status update: task " << status.task_id()
<< " of framework " << update.framework_id()
<< " is now in state " << status.state();
CHECK(frameworkId == update.framework_id());
// TODO(benh): Note that this maybe a duplicate status update!
// Once we get support to try and have a more consistent view
// of what's running in the cluster, we'll just let this one
// slide. The alternative is possibly dealing with a scheduler
// failover and not correctly giving the scheduler it's status
// update, which seems worse than giving a status update
// multiple times (of course, if a scheduler re-uses a TaskID,
// that could be bad.
invoke(bind(&Scheduler::statusUpdate, sched, driver, cref(status)));
if (pid) {
// Acknowledge the message (we do this last, after we invoked
// the scheduler, if we did at all, in case it causes a crash,
// since this way the message might get resent/routed after the
// scheduler comes back online).
StatusUpdateAcknowledgementMessage message;
message.mutable_framework_id()->MergeFrom(frameworkId);
message.mutable_slave_id()->MergeFrom(update.slave_id());
message.mutable_task_id()->MergeFrom(status.task_id());
message.set_uuid(update.uuid());
send(pid, message);
}
}
v1::executor::Event evolve(
const StatusUpdateAcknowledgementMessage& message)
{
v1::executor::Event event;
event.set_type(v1::executor::Event::ACKNOWLEDGED);
v1::executor::Event::Acknowledged* acknowledged =
event.mutable_acknowledged();
acknowledged->mutable_task_id()->CopyFrom(evolve(message.task_id()));
acknowledged->set_uuid(message.uuid());
return event;
}
void statusUpdateAcknowledgement(const StatusUpdate& update, const UPID& pid)
{
if (aborted) {
VLOG(1) << "Not sending status update acknowledgment message because "
<< "the driver is aborted!";
return;
}
VLOG(2) << "Sending ACK for status update " << update << " to " << pid;
StatusUpdateAcknowledgementMessage message;
message.mutable_framework_id()->MergeFrom(framework.id());
message.mutable_slave_id()->MergeFrom(update.slave_id());
message.mutable_task_id()->MergeFrom(update.status().task_id());
message.set_uuid(update.uuid());
send(pid, message);
}
