def listen(nats_protocol):
"""
When the protocol is first connected, make a subscription.
"""
log.info("HELLO LISTEN")
nats_protocol.sub("a-queue",
"1",
queue_group="excelsior",
on_msg=respond_on_msg)
pinger = LoopingCall(nats_protocol.ping)
pinger.reactor = nats_protocol.reactor
pinger.start(10, now=True)
