mirror of
https://github.com/Flowseal/tg-ws-proxy.git
synced 2026-06-24 15:31:07 +03:00
Kirill
37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
from __future__ import annotations
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import errno
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import webbrowser
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from typing import Optional, Tuple, Callable
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# Windows WinSock error codes (exc.winerror); errno may differ from POSIX.
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_WSA_EACCES = 10013
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_WSA_EFAULT = 10014
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_WSA_EADDRINUSE = 10048
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_WSA_EADDRNOTAVAIL = 10049
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def diagnose_listen_error(exc: BaseException) -> Tuple[Optional[str], Optional[Callable]]:
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"""Map a listen-socket bind failure to a user-facing message.
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Returns None when the exception is not a recognizable bind failure,
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so callers can fall back to generic handling.
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"""
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from ui.i18n import t
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if not isinstance(exc, OSError):
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return None
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err = exc.errno
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winerror = getattr(exc, "winerror", None)
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if err == errno.EADDRINUSE or winerror == _WSA_EADDRINUSE:
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return t("diagnostics.port_busy"), None
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if err == errno.EACCES or winerror == _WSA_EACCES:
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return t("diagnostics.permission"), None
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if (winerror in (_WSA_EFAULT, _WSA_EADDRNOTAVAIL)
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or err in (errno.EADDRNOTAVAIL, errno.EFAULT)):
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return t("diagnostics.bad_address"), lambda : webbrowser.open("https://github.com/Flowseal/tg-ws-proxy/issues/903#issuecomment-4726752103")
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return None, None
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