#stop_event = multiprocessing.Event()
#parameter_queue = multiprocessing.Queue()
#manager = multiprocessing.Manager()
#statistics = manager.Namespace()

stop_event = threading.Event()
parameter_queue = queue.Queue()
statistics=Namespace()


OUTPUT_PORT = 12005

viewer.show_stream("tcp://localhost:" + str(OUTPUT_PORT))

pipeline_config = PipelineConfig("test_pipeline", parameters={"camera_name": "simulation", "function":"transparent"})

def send():
    print ("Startint pipeline on port: ", OUTPUT_PORT)
    try:
        processing_pipeline(stop_event, statistics, parameter_queue, camera_client, pipeline_config, OUTPUT_PORT, MockBackgroundManager())
    except:
        traceback.print_exc()  
        

thread = Thread(target=send)
thread.start()

with source(host="127.0.0.1", port=OUTPUT_PORT, mode=SUB, receive_timeout = 3000) as stream:
    data = stream.receive()
    if not data: 
        raise Exception("Received None message.")
    print (data.data.data.keys())

stop_event.set()
thread.join(5.0)