import asyncio
import signal

async def handle_client(reader, writer):
    try:
        while True:
            #data = await reader.readline()
            #if not data:
            #    break
#
            #msg = data.decode().strip()
            #writer.write(f"echo: {msg}\n".encode())
            await writer.drain()
    except Exception as e:
        print("error:", e)
    finally:
        writer.close()
        await writer.wait_closed()

async def main():
    server = await asyncio.start_server(
        handle_client, host="0.0.0.0", port=3030
    )

    async with server:
        await server.serve_forever()

asyncio.run(main())