//! shuts the stream down.
void Close() final {
// close all sinks, this should emit sentinel to all other worker.
for (size_t i = 0; i != sinks_.size(); ++i) {
if (sinks_[i].closed()) continue;
sinks_[i].Close();
}
// close loop-back queue from this worker to all others on this host.
for (size_t local_worker_id = 0;
local_worker_id < multiplexer_.num_workers_per_host(); ++local_worker_id)
{
auto queue_ptr = multiplexer_.MixLoopback(
id_, my_local_worker_id_, local_worker_id);
if (!queue_ptr->write_closed())
queue_ptr->Close();
}
// wait for close packets to arrive (this is a busy waiting loop, try to
// do it better -tb)
while (!queue_.write_closed()) {
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
tx_lifetime_.StopEventually();
tx_timespan_.StopEventually();
CallClosedCallbacksEventually();
}
//! return number of block in the queue. Use this ONLY for DEBUGGING!
size_t size() { return queue_.size() - (write_closed() ? 1 : 0); }
