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1#
2# Copyright (c) 2011 Thomas Graf <tgraf@suug.ch>
3#
4
5"""VLAN network link
6
7"""
8
9from __future__ import absolute_import
10
11
12from ... import core as netlink
13from ..  import capi as capi
14class VLANLink(object):
15    def __init__(self, link):
16        self._link = link
17
18    @property
19    @netlink.nlattr(type=int)
20    def id(self):
21        """vlan identifier"""
22        return capi.rtnl_link_vlan_get_id(self._link)
23
24    @id.setter
25    def id(self, value):
26        capi.rtnl_link_vlan_set_id(self._link, int(value))
27
28    @property
29    @netlink.nlattr(type=str)
30    def flags(self):
31        """ VLAN flags
32        Setting this property will *Not* reset flags to value you supply in
33        Examples:
34        link.flags = '+xxx' # add xxx flag
35        link.flags = 'xxx'  # exactly the same
36        link.flags = '-xxx' # remove xxx flag
37        link.flags = [ '+xxx', '-yyy' ] # list operation
38        """
39        flags = capi.rtnl_link_vlan_get_flags(self._link)
40        return capi.rtnl_link_vlan_flags2str(flags, 256)[0].split(',')
41
42    def _set_flag(self, flag):
43        if flag.startswith('-'):
44            i = capi.rtnl_link_vlan_str2flags(flag[1:])
45            capi.rtnl_link_vlan_unset_flags(self._link, i)
46        elif flag.startswith('+'):
47            i = capi.rtnl_link_vlan_str2flags(flag[1:])
48            capi.rtnl_link_vlan_set_flags(self._link, i)
49        else:
50            i = capi.rtnl_link_vlan_str2flags(flag)
51            capi.rtnl_link_vlan_set_flags(self._link, i)
52
53    @flags.setter
54    def flags(self, value):
55        if type(value) is list:
56            for flag in value:
57                self._set_flag(flag)
58        else:
59            self._set_flag(value)
60
61    ###################################################################
62    # TODO:
63    #   - ingress map
64    #   - egress map
65
66    def brief(self):
67        return 'vlan-id {0}'.format(self.id)
68
69def init(link):
70    link.vlan = VLANLink(link._rtnl_link)
71    return link.vlan
72