╔═══════════════════════════════════════════════════╗
║       OCPP 양방향 프록시 / 로깅 서버 v1.0         ║
╠═══════════════════════════════════════════════════╣
║                                                   ║
║  프록시 포트    : 9000                              ║
║  관리 웹 포트   : 9001                              ║
║  타겟 서버     : ws://cp.e-csp.co.kr/ocppext        ║
║  로그 폴더     : ocpp_logs/                          ║
║                                                   ║
╠═══════════════════════════════════════════════════╣
║  충전기 설정 변경:                                 ║
║  기존 → ws://ecap.byunc.com/ocppext/{충전기ID}    ║
║                                                   ║
║  관리 페이지:                                      ║
║  http://192.168.0.114:9001                        ║
║  http://ecap.byunc.com:9001                       ║
╚═══════════════════════════════════════════════════╝

Traceback (most recent call last):
  File "/root/steve/ev-charging-backend/ocpp_proxy_server.py", line 607, in <module>
    asyncio.run(main())
  File "/usr/lib/python3.11/asyncio/runners.py", line 190, in run
    return runner.run(main)
           ^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/asyncio/runners.py", line 118, in run
    return self._loop.run_until_complete(task)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/asyncio/base_events.py", line 653, in run_until_complete
    return future.result()
           ^^^^^^^^^^^^^^^
  File "/root/steve/ev-charging-backend/ocpp_proxy_server.py", line 580, in main
    ws_server = await websockets.serve(
                ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/websockets/asyncio/server.py", line 847, in __await_impl__
    server = await self.create_server
             ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/asyncio/base_events.py", line 1525, in create_server
    raise OSError(err.errno, 'error while attempting '
OSError: [Errno 98] error while attempting to bind on address ('0.0.0.0', 9000): address already in use