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proxystore.store.dim.utils

Shared functions used by DIM stores.

Status

Bases: NamedTuple

Task status response.

get_ip_address 

get_ip_address(ifname: str) -> str

Get ip address provided an interface name.

Parameters:

  • ifname (str) –

    The interface name.

Returns:

  • str –

    The IP address.

Source code in proxystore/store/dim/utils.py 
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def get_ip_address(ifname: str) -> str:
    """Get ip address provided an interface name.

    Args:
        ifname: The interface name.

    Returns:
        The IP address.
    """
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        return socket.inet_ntoa(
            fcntl.ioctl(
                s.fileno(),
                0x8915,
                struct.pack(
                    '256s',
                    bytes(ifname[:15], 'utf-8'),
                ),  # SIOCGIFADDR
            )[20:24],
        )
    except OSError:
        # Not a solution, but the above doesn't work with Macs
        # need to provide IP rather than the interface name for the time being

        if ifname == 'localhost':
            ifname = '127.0.0.1'
        return ifname