Add configuration to enable new connections by default. (facebookrese…

…arch#1960)

habitat-hitl/habitat_hitl/_internal/networking/interprocess_record.py

@@ -27,7 +27,10 @@ def __init__(self, networking_config) -> None:
         self._connection_record_queue: Queue[ConnectionRecord] = Queue()
         self._disconnection_record_queue: Queue[DisconnectionRecord] = Queue()
         self._kick_signal_queue: Queue[int] = Queue()
-        self._allow_new_connections = Value("b", False)
+
+        self._allow_new_connections = Value(
+            "b", networking_config.enable_connections_by_default
+        )
 
     def enable_new_connections(self, enabled: bool):
         """Signal the networking process whether it should accept new connections."""

habitat-hitl/habitat_hitl/config/hitl_defaults.yaml

@@ -23,6 +23,9 @@ habitat_hitl:
     # Number of accepted concurrent clients (multiplayer if higher than one). All connections beyond this count will be rejected. Beware that this can be different from the agent count.
     max_client_count: 1
 
+    # Accept incoming connections by default. If disabled, connections must be activated using InterprocessRecord.enable_new_connections().
+    enable_connections_by_default: True
+
     # We'll listen for incoming client connections at this port.
     port: 8888