applied the except and raise fixers to the master branch to close the gap with py3
[nepi.git] / src / nepi / resources / netns / netnsipv4address.py
1 #
2 #    NEPI, a framework to manage network experiments
3 #    Copyright (C) 2014 INRIA
4 #
5 #    This program is free software: you can redistribute it and/or modify
6 #    it under the terms of the GNU General Public License version 2 as
7 #    published by the Free Software Foundation;
8 #
9 #    This program is distributed in the hope that it will be useful,
10 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
11 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 #    GNU General Public License for more details.
13 #
14 #    You should have received a copy of the GNU General Public License
15 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 #
17 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
18
19 from nepi.execution.attribute import Attribute, Flags, Types
20 from nepi.execution.resource import clsinit_copy
21 from nepi.resources.netns.netnsbase import NetNSBase
22
23 @clsinit_copy
24 class NetNSIPv4Address(NetNSBase):
25     _rtype = "netns::IPv4Address"
26
27     @classmethod
28     def _register_attributes(cls):
29         ip = Attribute("ip", "IPv4 address", flags=Flags.Design)
30         prefix = Attribute("prefix", "IPv4 prefix", flags=Flags.Design)
31
32         cls._register_attribute(ip)
33         cls._register_attribute(prefix)
34
35     @property
36     def emulation(self):
37         return self.node.emulation
38
39     @property
40     def node(self):
41         return self.interface.node
42
43     @property
44     def interface(self):
45         from nepi.resources.netns.netnsinterface import NetNSInterface
46         interface = self.get_connected(NetNSInterface.get_rtype())
47
48         if not interface: 
49             msg = "IPv4Address not connected to Interface!!"
50             self.error(msg)
51             raise RuntimeError(msg)
52
53         return interface[0]
54
55     @property
56     def _rms_to_wait(self):
57         return [self.interface]
58
59     def _instantiate_object(self):
60         self._uuid = self.emulation.invoke(self.interface.uuid, "add_v4_address",
61                 self.get("ip"), self.get("prefix"))
62
63