Reworked websocket communication to avoid high CPU usage by client application.

src/client/main.nim

@@ -73,12 +73,11 @@ proc main(ip: string = "localhost", port: int = 37573) =
         #[
             WebSocket communication with the team server
         ]# 
-        # Continuously send heartbeat messages
-        connection.ws.sendHeartbeat()
-
-        # Receive and parse websocket response message 
         try: 
-            let event = recvEvent(connection.ws.receiveMessage().get(), connection.sessionKey)
+            # Receive and parse websocket response message 
+            let message = connection.ws.receiveMessage(timeout = 16)    # Use a 16ms timeout to reduce CPU load = ~60FPS 
+            if message.isSome():
+                let event = recvEvent(message.get(), connection.sessionKey)
                 case event.eventType:
                 of CLIENT_KEY_EXCHANGE: 
                     connection.sessionKey = deriveSessionKey(clientKeyPair, decode(event.data["publicKey"].getStr()).toKey())            

src/server/main.nim

@@ -45,9 +45,6 @@ proc websocketHandler(ws: WebSocket, event: WebSocketEvent, message: Message) {.
             cq.client.sendPublicKey(cq.keyPair.publicKey)
     
         of MessageEvent:            
-            # Continuously send heartbeat messages
-            ws.sendHeartbeat() 
-
             let event = message.recvEvent(cq.client.sessionKey)
 
             case event.eventType: