1#!/usr/bin/env python3
2#
3#   Copyright 2019 - Google, Inc.
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
17import logging
18from acts.libs.proc import job
19
20
21class ApIwconfigError(Exception):
22    """Error related to configuring the wireless interface via iwconfig."""
23
24
25class ApIwconfig(object):
26    """Class to configure wireless interface via iwconfig
27
28    """
29
30    PROGRAM_FILE = '/usr/local/sbin/iwconfig'
31
32    def __init__(self, ap):
33        """Initialize the ApIwconfig class.
34
35        Args:
36            ap: the ap object within ACTS
37        """
38        self.ssh = ap.ssh
39
40    def ap_iwconfig(self, interface, arguments=None):
41        """Configure the wireless interface using iwconfig.
42
43        Returns:
44            output: the output of the command, if any
45        """
46        iwconfig_command = '%s %s %s' % (self.PROGRAM_FILE, interface,
47                                         arguments)
48        output = self.ssh.run(iwconfig_command)
49
50        return output
51