nethelpers.py 文件源码

def _get_my_primary_interface():
    gateways = ni.gateways()
    assert 'default' in gateways, \
        ("No default gateway on host/container, "
         "cannot determine primary interface")
    default_gw_index = gateways['default'].keys()[0]
    # gateways[default_gw_index] has the format (example):
    # [('10.15.32.1', 'en0', True)]
    interface_name = gateways[default_gw_index][0][1]
    return interface_name