66 lines
2.5 KiB
Python
66 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright (C) 2017-2018 Team tiramisu (see AUTHORS for all contributors)
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser General Public License as published by the
|
|
# Free Software Foundation, either version 3 of the License, or (at your
|
|
# option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
|
|
# details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
# The original `Config` design model is unproudly borrowed from
|
|
# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
|
|
# the whole pypy projet is under MIT licence
|
|
# ____________________________________________________________
|
|
from IPy import IP
|
|
|
|
from ..error import ConfigError
|
|
from ..setting import undefined
|
|
from ..i18n import _
|
|
from .option import Option
|
|
|
|
|
|
class BroadcastOption(Option):
|
|
__slots__ = tuple()
|
|
_display_name = _('broadcast address')
|
|
|
|
def _validate(self,
|
|
value,
|
|
*args,
|
|
**kwargs):
|
|
self._impl_valid_string(value)
|
|
if value.count('.') != 3:
|
|
raise ValueError()
|
|
for val in value.split('.'):
|
|
if val.startswith("0") and len(val) > 1:
|
|
raise ValueError()
|
|
try:
|
|
IP('{0}/32'.format(value))
|
|
except ValueError:
|
|
raise ValueError()
|
|
|
|
def _cons_broadcast(self,
|
|
current_opt,
|
|
opts,
|
|
vals,
|
|
warnings_only,
|
|
context):
|
|
if len(vals) != 3:
|
|
raise ConfigError(_('invalid len for vals'))
|
|
if None in vals:
|
|
return
|
|
broadcast, network, netmask = vals
|
|
if IP('{0}/{1}'.format(network, netmask)).broadcast() != IP(broadcast):
|
|
raise ValueError(_('broadcast "{4}" invalid with network {0}/{1} ("{2}"/"{3}")'
|
|
'').format(network,
|
|
netmask,
|
|
opts[1].impl_get_display_name(),
|
|
opts[2].impl_get_display_name(),
|
|
broadcast))
|