import websockets
import asyncio
import time

async def echo_server(websocket):
    print("Client connected.")
    try:
        async for message in websocket:
            print(f"Received: {message}")
            response = f"Echo: {message}"
            await websocket.send(response)
    except websockets.exceptions.ConnectionClosed:
        print("Client disconnected.")
        

async def main():
    async with websockets.serve(echo_server, "10.0.0.202", 8788):
        await asyncio.Future()  # 永久运行

asyncio.run(main())