blob: 6708b29c2632b8d592ae6559e920879cc0659a7b [file] [log] [blame]
# Copyright (c) 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import time
from autotest_lib.client.bin import test
from autotest_lib.client.bin import utils
from autotest_lib.client.common_lib import error
from import iw_runner
class network_WlanRegulatory(test.test):
Ensure the "crda" tool works, and can be successfully triggered by
the kernel from the "iw" userspace utility to change the system
regulatory domain.
version = 1
REGULATORY_DATABASE = '/usr/lib/crda/regulatory.bin'
def get_regulatory_domains(self):
"""Get the list or regulatory domains in the DUT's database."""
return utils.system_output('regdbdump %s | grep country | '
'sed -e s/^country.// -e s/:.*//' %
def assert_set_regulatory_domain(self, regdomain):
"""Set the system regulatory domain, then assert that it is correct.
@param regdomain string 2-letter country code of the regulatory
domain to set.
"""'Using iw to set regulatory domain to %s', regdomain)
# It takes time for the kernel to invoke udev, which will in turn
# invoke CRDA. Since this is asynchronous with the exit of the
# "iw" utility, we must wait a while.
current_regdomain = self._iw.get_regulatory_domain()
if current_regdomain != regdomain:
raise error.TestFail('Expected iw to set regdomain %s but got %s' %
(regdomain, current_regdomain))
def run_once(self):
"""Test main loop"""
self._iw = iw_runner.IwRunner()
initial_regdomain = self._iw.get_regulatory_domain()'Initial regulatory domain is %s', initial_regdomain)
domain_list = self.get_regulatory_domains()
if not domain_list:
raise error.TestFail('Did not get a domain list from the database')
for domain in domain_list: