72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
from socket import AF_UNSPEC as _AF_UNSPEC
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from ._daemon import (__version__,
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booted,
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notify,
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_listen_fds,
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_is_fifo,
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_is_socket,
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_is_socket_inet,
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_is_socket_sockaddr,
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_is_socket_unix,
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_is_mq,
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LISTEN_FDS_START)
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def _convert_fileobj(fileobj):
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try:
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return fileobj.fileno()
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except AttributeError:
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return fileobj
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def is_fifo(fileobj, path=None):
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fd = _convert_fileobj(fileobj)
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return _is_fifo(fd, path)
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def is_socket(fileobj, family=_AF_UNSPEC, type=0, listening=-1):
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fd = _convert_fileobj(fileobj)
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return _is_socket(fd, family, type, listening)
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def is_socket_inet(fileobj, family=_AF_UNSPEC, type=0, listening=-1, port=0):
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fd = _convert_fileobj(fileobj)
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return _is_socket_inet(fd, family, type, listening, port)
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def is_socket_sockaddr(fileobj, address, type=0, flowinfo=0, listening=-1):
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"""Check socket type, address and/or port, flowinfo, listening state.
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Wraps sd_is_socket_inet_sockaddr(3).
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`address` is a systemd-style numerical IPv4 or IPv6 address as used in
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ListenStream=. A port may be included after a colon (":").
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See systemd.socket(5) for details.
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Constants for `family` are defined in the socket module.
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"""
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fd = _convert_fileobj(fileobj)
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return _is_socket_sockaddr(fd, address, type, flowinfo, listening)
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def is_socket_unix(fileobj, type=0, listening=-1, path=None):
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fd = _convert_fileobj(fileobj)
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return _is_socket_unix(fd, type, listening, path)
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def is_mq(fileobj, path=None):
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fd = _convert_fileobj(fileobj)
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return _is_mq(fd, path)
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def listen_fds(unset_environment=True):
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"""Return a list of socket activated descriptors
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Example::
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(in primary window)
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$ systemd-activate -l 2000 python3 -c \\
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'from systemd.daemon import listen_fds; print(listen_fds())'
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(in another window)
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$ telnet localhost 2000
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(in primary window)
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...
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Execing python3 (...)
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[3]
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"""
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num = _listen_fds(unset_environment)
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return list(range(LISTEN_FDS_START, LISTEN_FDS_START + num))
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