def get_notification_listener(transport,
targets,
endpoints,
executor='blocking',
serializer=None,
allow_requeue=False):
"""Construct a notification listener
The executor parameter controls how incoming messages will be received and
dispatched. By default, the most simple executor is used - the blocking
executor.
:param transport: the messaging transport
:type transport: Transport
:param targets: the exchanges and topics to listen on
:type targets: list of Target
:param endpoints: a list of endpoint objects
:type endpoints: list
:param executor: name of a message executor - e.g. 'eventlet', 'blocking'
:type executor: str
:param serializer: an optional entity serializer
:type serializer: Serializer
:param allow_requeue: whether NotificationResult.REQUEUE support is needed
:type allow_requeue: bool
:raises: NotImplementedError
"""
transport._require_driver_features(requeue=allow_requeue)
dispatcher = notify_dispatcher.NotificationDispatcher(
targets, endpoints, serializer, allow_requeue)
return msg_server.MessageHandlingServer(transport, dispatcher, executor)
def get_rpc_server(transport,
target,
endpoints,
executor='blocking',
serializer=None):
"""Construct an RPC server.
The executor parameter controls how incoming messages will be received and
dispatched. By default, the most simple executor is used - the blocking
executor.
If the eventlet executor is used, the threading and time library need to be
monkeypatched.
:param transport: the messaging transport
:type transport: Transport
:param target: the exchange, topic and server to listen on
:type target: Target
:param endpoints: a list of endpoint objects
:type endpoints: list
:param executor: name of a message executor - for example
'eventlet', 'blocking'
:type executor: str
:param serializer: an optional entity serializer
:type serializer: Serializer
"""
dispatcher = rpc_dispatcher.RPCDispatcher(target, endpoints, serializer)
return msg_server.MessageHandlingServer(transport, dispatcher, executor)
def get_server(target, endpoints, serializer=None):
assert TRANSPORT is not None
if serializer is None:
serializer = DesignateObjectSerializer()
serializer = RequestContextSerializer(serializer)
dispatcher = RPCDispatcher(target, endpoints, serializer)
return msg_server.MessageHandlingServer(TRANSPORT, dispatcher, 'eventlet')