def put_setlink(self, msg, *argv, **kwarg):
# is it a port setup?
master = msg.get_attr('IFLA_MASTER')
if self.ancient and master is not None:
seq = kwarg.get('msg_seq', 0)
response = ifinfmsg()
response['header']['type'] = NLMSG_ERROR
response['header']['sequence_number'] = seq
ifname = self.name_by_id(msg['index'])
if master == 0:
# port delete
# 1. get the current master
m = self.name_by_id(compat_get_master(ifname))
# 2. get the type of the master
kind = compat_get_type(m)
# 3. delete the port
if kind == 'bridge':
compat_del_bridge_port(m, ifname)
elif kind == 'bond':
compat_del_bond_port(m, ifname)
else:
# port add
# 1. get the name of the master
m = self.name_by_id(master)
# 2. get the type of the master
kind = compat_get_type(m)
# 3. add the port
if kind == 'bridge':
compat_add_bridge_port(m, ifname)
elif kind == 'bond':
compat_add_bond_port(m, ifname)
response.encode()
self.backlog[seq] = [response]
NetlinkSocket.put(self, msg, *argv, **kwarg)
def put_dellink(self, msg, *argv, **kwarg):
if self.ancient:
# get the interface kind
kind = compat_get_type(msg.get_attr('IFLA_IFNAME'))
# not covered types pass to the system
if kind not in ('bridge', 'bond'):
return NetlinkSocket.put(self, msg, *argv, **kwarg)
##
# otherwise, create a valid answer --
# NLMSG_ERROR with code 0 (no error)
##
# FIXME: intercept and return valid RTM_NEWLINK
##
seq = kwarg.get('msg_seq', 0)
response = ifinfmsg()
response['header']['type'] = NLMSG_ERROR
response['header']['sequence_number'] = seq
# route the request
if kind == 'bridge':
compat_del_bridge(msg.get_attr('IFLA_IFNAME'))
elif kind == 'bond':
compat_del_bond(msg.get_attr('IFLA_IFNAME'))
# while RTM_NEWLINK is not intercepted -- sleep
time.sleep(_ANCIENT_BARRIER)
response.encode()
self.backlog[seq] = [response]
else:
# else just send the packet
NetlinkSocket.put(self, msg, *argv, **kwarg)
def put(self, *argv, **kwarg):
'''
Proxy `put()` request
'''
if argv[1] in self.put_map:
self.put_map[argv[1]](*argv, **kwarg)
else:
NetlinkSocket.put(self, *argv, **kwarg)
