feat: improve websocket connection performance

tetris/online.py

@@ -2,38 +2,31 @@ 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
+class MultiplayerService():
     _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 = Thread(target=asyncio.get_event_loop().run_until_complete, args=(_NetworkConnectionService.init(),))
         thread.start()
 
+class _NetworkConnectionService():
+    _websocket = None
+    _URI = "ws://localhost:5001"
+
     @classmethod
-    def update(cls):
-        cls._thread_pool = list(filter(lambda t: t.is_alive(), cls._thread_pool))
+    async def init(cls):
+        await cls._connect_to_server()
+
+        while True:
+            await asyncio.sleep(16e-3)
+            await cls._websocket.send("ping")
+            print(await cls._websocket.recv())
 
     @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
+        cls._websocket = await websockets.connect(cls._URI, ping_interval=None)
+        # ping_interval=None is important, otherwise the server will disconnect us
+        # https://stackoverflow.com/a/58993145/11512104
+        print("Connected to server...")