def setUp(self):
self.dbdir = tempfile.mkdtemp()
loop = ioloop.IOLoop()
broker = FakeBroker()
dboptions = {'directory': self.dbdir}
self.ctrl = BrokerController(broker, loop, dboptions=dboptions)
self.old_exists = psutil.pid_exists
psutil.pid_exists = lambda pid: True
def __init__(self,
frontend=DEFAULT_FRONTEND,
backend=DEFAULT_BACKEND,
heartbeat=None,
register=DEFAULT_REG,
io_threads=DEFAULT_IOTHREADS,
agent_timeout=DEFAULT_AGENT_TIMEOUT,
receiver=DEFAULT_BROKER_RECEIVER,
publisher=DEFAULT_PUBLISHER,
db='python',
dboptions=None,
web_root=None):
# before doing anything, we verify if a broker is already up and
# running
logger.debug('Verifying if there is a running broker')
pid = verify_broker(frontend)
if pid is not None: # oops. can't do this !
logger.debug('Ooops, we have a running broker on that socket')
raise DuplicateBrokerError(pid)
self.endpoints = {
'frontend': frontend,
'backend': backend,
'register': register,
'receiver': receiver,
'publisher': publisher
}
if heartbeat is not None:
self.endpoints['heartbeat'] = heartbeat
logger.debug('Initializing the broker.')
for endpoint in self.endpoints.values():
if endpoint.startswith('ipc'):
register_ipc_file(endpoint)
self.context = zmq.Context(io_threads=io_threads)
# setting up the sockets
self._frontend = self.context.socket(zmq.ROUTER)
self._frontend.identity = 'broker-' + frontend
self._frontend.bind(frontend)
self._backend = self.context.socket(zmq.ROUTER)
self.pid = str(os.getpid())
self._backend.identity = self.pid
self._backend.bind(backend)
self._registration = self.context.socket(zmq.PULL)
self._registration.bind(register)
self._receiver = self.context.socket(zmq.PULL)
self._receiver.bind(receiver)
self._publisher = self.context.socket(zmq.PUB)
self._publisher.bind(publisher)
# setting up the streams
self.loop = ioloop.IOLoop()
self._frontstream = zmqstream.ZMQStream(self._frontend, self.loop)
self._frontstream.on_recv(self._handle_recv_front)
self._backstream = zmqstream.ZMQStream(self._backend, self.loop)
self._backstream.on_recv(self._handle_recv_back)
self._regstream = zmqstream.ZMQStream(self._registration, self.loop)
self._regstream.on_recv(self._handle_reg)
self._rcvstream = zmqstream.ZMQStream(self._receiver, self.loop)
self._rcvstream.on_recv(self._handle_recv)
# heartbeat
if heartbeat is not None:
self.pong = Heartbeat(heartbeat,
io_loop=self.loop,
ctx=self.context,
onregister=self._deregister)
else:
self.pong = None
# status
self.started = False
self.poll_timeout = None
# controller
self.ctrl = BrokerController(self,
self.loop,
db=db,
dboptions=dboptions,
agent_timeout=agent_timeout)
self.web_root = web_root
