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python/console_socket: accept existing FD in initializer
Useful if we want to use ConsoleSocket() for a socket created by socketpair(). Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Ani Sinha <anisinha@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20230928044943.849073-4-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
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@ -24,19 +24,32 @@ class ConsoleSocket(socket.socket):
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"""
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ConsoleSocket represents a socket attached to a char device.
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Optionally (if drain==True), drains the socket and places the bytes
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into an in memory buffer for later processing.
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Optionally a file path can be passed in and we will also
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dump the characters to this file for debugging purposes.
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:param address: An AF_UNIX path or address.
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:param sock_fd: Optionally, an existing socket file descriptor.
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One of address or sock_fd must be specified.
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:param file: Optionally, a filename to log to.
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:param drain: Optionally, drains the socket and places the bytes
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into an in memory buffer for later processing.
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"""
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def __init__(self, address: str, file: Optional[str] = None,
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def __init__(self,
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address: Optional[str] = None,
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sock_fd: Optional[int] = None,
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file: Optional[str] = None,
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drain: bool = False):
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if address is None and sock_fd is None:
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raise ValueError("one of 'address' or 'sock_fd' must be specified")
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if address is not None and sock_fd is not None:
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raise ValueError("can't specify both 'address' and 'sock_fd'")
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self._recv_timeout_sec = 300.0
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self._sleep_time = 0.5
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self._buffer: Deque[int] = deque()
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socket.socket.__init__(self, socket.AF_UNIX, socket.SOCK_STREAM)
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self.connect(address)
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if address is not None:
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socket.socket.__init__(self, socket.AF_UNIX, socket.SOCK_STREAM)
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self.connect(address)
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else:
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assert sock_fd is not None
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socket.socket.__init__(self, fileno=sock_fd)
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self._logfile = None
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if file:
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# pylint: disable=consider-using-with
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