make some parameters be included as self attributes

this is to avoid wiring them around multiple method calls when self is already there

these are for use by upcoming threads
they are all multiprocessing objects, so should all be thread-safe, so it should be fine to make them accessible as self attributes from multiple threads

parsl/monitoring/router.py

@@ -32,7 +32,12 @@ def __init__(self,
                  logdir: str = ".",
                  run_id: str,
                  logging_level: int = logging.INFO,
-                 atexit_timeout: int = 3    # in seconds
+                 atexit_timeout: int = 3,   # in seconds
+                 priority_msgs: "queue.Queue[AddressedMonitoringMessage]",
+                 node_msgs: "queue.Queue[AddressedMonitoringMessage]",
+                 block_msgs: "queue.Queue[AddressedMonitoringMessage]",
+                 resource_msgs: "queue.Queue[AddressedMonitoringMessage]",
+                 exit_event: Event,
                  ):
         """ Initializes a monitoring configuration class.
 
@@ -52,6 +57,7 @@ def __init__(self,
         atexit_timeout : float, optional
             The amount of time in seconds to terminate the hub without receiving any messages, after the last dfk workflow message is received.
 
+        TODO: documentation of new parameters
         """
         os.makedirs(logdir, exist_ok=True)
         self.logger = set_file_logger("{}/monitoring_router.log".format(logdir),
@@ -93,19 +99,20 @@ def __init__(self,
                                                                                min_port=zmq_port_range[0],
                                                                                max_port=zmq_port_range[1])
 
-    def start(self,
-              priority_msgs: "queue.Queue[AddressedMonitoringMessage]",
-              node_msgs: "queue.Queue[AddressedMonitoringMessage]",
-              block_msgs: "queue.Queue[AddressedMonitoringMessage]",
-              resource_msgs: "queue.Queue[AddressedMonitoringMessage]",
-              exit_event: Event) -> None:
+        self.priority_msgs = priority_msgs
+        self.node_msgs = node_msgs
+        self.block_msgs = block_msgs
+        self.resource_msgs = resource_msgs
+        self.exit_event = exit_event
+
+    def start(self) -> None:
         try:
-            while not exit_event.is_set():
+            while not self.exit_event.is_set():
                 try:
                     data, addr = self.udp_sock.recvfrom(2048)
                     resource_msg = pickle.loads(data)
                     self.logger.debug("Got UDP Message from {}: {}".format(addr, resource_msg))
-                    resource_msgs.put((resource_msg, addr))
+                    self.resource_msgs.put((resource_msg, addr))
                 except socket.timeout:
                     pass
 
@@ -125,15 +132,15 @@ def start(self,
 
                         if msg[0] == MessageType.NODE_INFO:
                             msg[1]['run_id'] = self.run_id
-                            node_msgs.put(msg_0)
+                            self.node_msgs.put(msg_0)
                         elif msg[0] == MessageType.RESOURCE_INFO:
-                            resource_msgs.put(msg_0)
+                            self.resource_msgs.put(msg_0)
                         elif msg[0] == MessageType.BLOCK_INFO:
-                            block_msgs.put(msg_0)
+                            self.block_msgs.put(msg_0)
                         elif msg[0] == MessageType.TASK_INFO:
-                            priority_msgs.put(msg_0)
+                            self.priority_msgs.put(msg_0)
                         elif msg[0] == MessageType.WORKFLOW_INFO:
-                            priority_msgs.put(msg_0)
+                            self.priority_msgs.put(msg_0)
                         else:
                             # There is a type: ignore here because if msg[0]
                             # is of the correct type, this code is unreachable,
@@ -158,7 +165,7 @@ def start(self,
                     data, addr = self.udp_sock.recvfrom(2048)
                     msg = pickle.loads(data)
                     self.logger.debug("Got UDP Message from {}: {}".format(addr, msg))
-                    resource_msgs.put((msg, addr))
+                    self.resource_msgs.put((msg, addr))
                     last_msg_received_time = time.time()
                 except socket.timeout:
                     pass
@@ -191,7 +198,12 @@ def router_starter(comm_q: "queue.Queue[Union[Tuple[int, int], str]]",
                                   zmq_port_range=zmq_port_range,
                                   logdir=logdir,
                                   logging_level=logging_level,
-                                  run_id=run_id)
+                                  run_id=run_id,
+                                  priority_msgs=priority_msgs,
+                                  node_msgs=node_msgs,
+                                  block_msgs=block_msgs,
+                                  resource_msgs=resource_msgs,
+                                  exit_event=exit_event)
     except Exception as e:
         logger.error("MonitoringRouter construction failed.", exc_info=True)
         comm_q.put(f"Monitoring router construction failed: {e}")
@@ -200,7 +212,7 @@ def router_starter(comm_q: "queue.Queue[Union[Tuple[int, int], str]]",
 
         router.logger.info("Starting MonitoringRouter in router_starter")
         try:
-            router.start(priority_msgs, node_msgs, block_msgs, resource_msgs, exit_event)
+            router.start()
         except Exception as e:
             router.logger.exception("router.start exception")
             exception_q.put(('Hub', str(e)))