class ServerManager(Observer):
def __init__(self, args, comm=None, rank=0, size=0, backend="MPI"):
self.args = args
self.size = size
self.rank = rank
if backend == "MPI":
self.com_manager = MpiCommunicationManager(comm,
rank,
size,
node_type="server")
elif backend == "MQTT":
HOST = "81.71.1.31"
# HOST = "broker.emqx.io"
PORT = 1883
self.com_manager = MqttCommManager(HOST,
PORT,
client_id=rank,
client_num=size - 1)
else:
self.com_manager = MpiCommunicationManager(comm,
rank,
size,
node_type="server")
self.com_manager.add_observer(self)
self.message_handler_dict = dict()
def run(self):
self.register_message_receive_handlers()
self.com_manager.handle_receive_message()
def get_sender_id(self):
return self.rank
def receive_message(self, msg_type, msg_params) -> None:
# logging.info("receive_message. rank_id = %d, msg_type = %s. msg_params = %s" % (
# self.rank, str(msg_type), str(msg_params.get_content())))
handler_callback_func = self.message_handler_dict[msg_type]
handler_callback_func(msg_params)
def send_message(self, message):
self.com_manager.send_message(message)
@abstractmethod
def register_message_receive_handlers(self) -> None:
pass
def register_message_receive_handler(self, msg_type,
handler_callback_func):
self.message_handler_dict[msg_type] = handler_callback_func
def finish(self):
logging.info("__finish server")
self.com_manager.stop_receive_message()
logging.info("sys.exit(0)")
MPI.Finalize()
MPI.COMM_WORLD.Abort()
sys.exit()
class ClientManager(Observer):
def __init__(self, args, comm=None, rank=0, size=0, backend="MPI"):
self.args = args
self.size = size
self.rank = rank
if backend == "MPI":
self.com_manager = MpiCommunicationManager(comm, rank, size, node_type="client")
elif backend == "MQTT":
HOST = "81.71.1.31"
# HOST = "broker.emqx.io"
PORT = 1883
self.com_manager = MqttCommManager(HOST, PORT, client_id=rank, client_num=size-1)
else:
self.com_manager = MpiCommunicationManager(comm, rank, size, node_type="client")
self.com_manager.add_observer(self)
self.message_handler_dict = dict()
def run(self):
self.register_message_receive_handlers()
self.com_manager.handle_receive_message()
def get_sender_id(self):
return self.rank
def receive_message(self, msg_type, msg_params) -> None:
# logging.info("receive_message. rank_id = %d, msg_type = %s. msg_params = %s" % (
# self.rank, str(msg_type), str(msg_params.get_content())))
handler_callback_func = self.message_handler_dict[msg_type]
handler_callback_func(msg_params)
def send_message(self, message):
msg = Message()
msg.add(Message.MSG_ARG_KEY_TYPE, message.get_type())
msg.add(Message.MSG_ARG_KEY_SENDER, message.get_sender_id())
msg.add(Message.MSG_ARG_KEY_RECEIVER, message.get_receiver_id())
for key, value in message.get_params().items():
# logging.info("%s == %s" % (key, value))
msg.add(key, value)
self.com_manager.send_message(msg)
@abstractmethod
def register_message_receive_handlers(self) -> None:
pass
def register_message_receive_handler(self, msg_type, handler_callback_func):
self.message_handler_dict[msg_type] = handler_callback_func
def finish(self):
logging.info("#######finished###########")
self.com_manager.stop_receive_message()
logging.info("sys.exit(0)")
sys.exit()