add banbanmini backend

talkingq-url/handlers/websocket_handler.py

@@ -0,0 +1,55 @@
+from fastapi import WebSocket, WebSocketDisconnect
+from utils.logger import session_logger
+from services.connection_manager import connection_manager
+from services.task_manager import task_manager
+from handlers.websocket_auth_handler import authenticate_websocket
+from handlers.websocket_message_handler import handle_websocket_messages
+from handlers.session_cleanup_handler import cleanup_device_sessions
+
+async def websocket_endpoint(websocket: WebSocket):
+    """
+    WebSocket连接的主入口点
+    
+    Args:
+        websocket: WebSocket连接
+    """
+    await websocket.accept()
+    session_logger.info(
+        "unknown", "connection", f"WebSocket 连接已建立: {websocket.client}"
+    )
+    device_id = None
+    
+    try:
+        authenticated, device_id = await authenticate_websocket(websocket)
+        
+        if not authenticated:
+            session_logger.warning(
+                device_id or "unknown", "auth", "未认证的设备尝试连接，断开连接"
+            )
+            await websocket.send_text('{"status": "error", "message": "Not authenticated"}')
+            return
+        
+        await handle_websocket_messages(websocket, device_id)
+        
+    except WebSocketDisconnect:
+        session_logger.info(
+            device_id or "unknown",
+            "connection",
+            f"WebSocket 连接已关闭: {websocket.client}",
+        )
+    except Exception as e:
+        session_logger.error(
+            device_id or "unknown", "error", f"处理 WebSocket 数据时出错: {str(e)}"
+        )
+    finally:
+        if device_id:
+            await connection_manager.remove_connection(device_id)
+            await cleanup_device_sessions(device_id)
+            # 清理设备相关的所有异步任务
+            await task_manager.cancel_device_tasks(device_id)
+        
+        session_logger.info(
+            device_id or "unknown",
+            "connection",
+            "服务端保持WebSocket连接开放，由客户端负责断开连接",
+        )