Initial commit

backend/globalData.py

@@ -0,0 +1,12 @@
+import asyncio
+from asyncua import Client
+from asyncua.common.subscription import Subscription
+
+opc_ua_client: Client
+clients = {} # {WebSocket: set(subscribed_tags)}
+node_storage = {}
+event_storage = {}
+queue = asyncio.Queue(maxsize=10000)
+event_queue = asyncio.Queue(maxsize=1000)
+subscription_handler: Subscription
+subscribed_nodes = set()