from fastapi import WebSocket from typing import List import logging logger = logging.getLogger(__name__) class ConnectionManager: def __init__(self): self.active_connections: List[WebSocket] = [] async def connect(self, websocket: WebSocket): await websocket.accept() self.active_connections.append(websocket) logger.info(f"WebSocket connected. Total: {len(self.active_connections)}") def disconnect(self, websocket: WebSocket): if websocket in self.active_connections: self.active_connections.remove(websocket) logger.info(f"WebSocket disconnected. Total: {len(self.active_connections)}") async def broadcast(self, message: dict): # Broadcast JSON message to all connected clients for connection in list(self.active_connections): try: await connection.send_json(message) except Exception as e: logger.warning(f"Error sending to websocket: {e}") self.disconnect(connection) manager = ConnectionManager()