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# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library 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 2.1 of the License, or (at your option) any later version.
#
# This library 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 library. If not, see <http://www.gnu.org/licenses/>.
from vyos.ifconfig.interface import Interface
from vyos.validate import assert_positive
class STP:
"""
A spanning-tree capable interface. This applies only to bridge port member
interfaces!
"""
@classmethod
def enable (cls, adaptee):
adaptee._sysfs_set = {**adaptee._sysfs_set, **cls._sysfs_set}
adaptee.set_path_cost = cls.set_path_cost
adaptee.set_path_priority = cls.set_path_priority
return adaptee
_sysfs_set = {
'path_cost': {
# XXX: we should set a maximum
'validate': assert_positive,
'location': '/sys/class/net/{ifname}/brport/path_cost',
'errormsg': '{ifname} is not a bridge port member'
},
'path_priority': {
# XXX: we should set a maximum
'validate': assert_positive,
'location': '/sys/class/net/{ifname}/brport/priority',
'errormsg': '{ifname} is not a bridge port member'
},
}
def set_path_cost(self, cost):
"""
Set interface path cost, only relevant for STP enabled interfaces
Example:
>>> from vyos.ifconfig import Interface
>>> Interface('eth0').set_path_cost(4)
"""
self.set_interface('path_cost', cost)
def set_path_priority(self, priority):
"""
Set interface path priority, only relevant for STP enabled interfaces
Example:
>>> from vyos.ifconfig import Interface
>>> Interface('eth0').set_path_priority(4)
"""
self.set_interface('path_priority', priority)
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