feat: build server connection backbone

tetris/online.py

@@ -0,0 +1,39 @@
+import asyncio
+import websockets
+from threading import Thread
+
+class OnlineService():
+    _URI = "ws://localhost:5001" # TODO remove hardcoded URI and add to config file
+    _TIMEOUT = 5 / 1000 # Timeout in seconds
+    _websocket = None
+    _thread = None
+
+    @classmethod
+    def init(cls):
+        thread = Thread(target=asyncio.get_event_loop().run_until_complete, args=(cls._connect_to_server(),))
+        cls._thread_pool.append(thread)
+        thread.start()
+
+    @classmethod
+    def update(cls):
+        cls._thread_pool = list(filter(lambda t: t.is_alive(), cls._thread_pool))
+
+    @classmethod
+    async def _connect_to_server(cls):
+        print("Connecting to server...")
+        cls._websocket = await websockets.connect(cls._URI)
+        print("Connected to server...")
+
+    @classmethod
+    def ping_server(cls):
+        thread = Thread(target=asyncio.get_event_loop().run_until_complete, args=(cls._ping_server(),))
+        cls._thread_pool.append(thread)
+        thread.start()
+
+    @classmethod
+    async def _ping_server(cls):
+        if cls._websocket is not None:
+            await cls._websocket.send("ping")
+
+# IDEAS
+# Create running ONE thread that handles requests and reponses to the server in one running loop