1#!/usr/bin/env python3
2#
3#   Copyright 2021 - The Android Open Source Project
4#
5#   Licensed under the Apache License, Version 2.0 (the "License");
6#   you may not use this file except in compliance with the License.
7#   You may obtain a copy of the License at
8#
9#       http://www.apache.org/licenses/LICENSE-2.0
10#
11#   Unless required by applicable law or agreed to in writing, software
12#   distributed under the License is distributed on an "AS IS" BASIS,
13#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14#   See the License for the specific language governing permissions and
15#   limitations under the License.
16
17from acts import logger
18from acts import signals
19
20
21class NetstackControllerError(signals.ControllerError):
22    pass
23
24
25class NetstackController:
26    """Contains methods related to netstack, to be used in FuchsiaDevice object"""
27
28    def __init__(self, fuchsia_device):
29        self.device = fuchsia_device
30        self.log = logger.create_tagged_trace_logger(
31            'NetstackController for FuchsiaDevice | %s' % self.device.ip)
32
33    def list_interfaces(self):
34        """Retrieve netstack interfaces from netstack facade
35
36        Returns:
37            List of dicts, one for each interface, containing interface
38            information
39        """
40        response = self.device.sl4f.netstack_lib.netstackListInterfaces()
41        if response.get('error'):
42            raise NetstackControllerError(
43                'Failed to get network interfaces list: %s' %
44                response['error'])
45        return response['result']
46