# Lint as: python2, python3 # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. from __future__ import absolute_import import logging import time import common from autotest_lib.client.common_lib import error from autotest_lib.client.common_lib.cros.bluetooth import bluetooth_socket from autotest_lib.server.cros.bluetooth import bluetooth_adapter_tests DEVICE_ADDRESS = '01:02:03:04:05:06' ADDRESS_TYPE = 0 class bluetooth_Health_DefaultStateTest( bluetooth_adapter_tests.BluetoothAdapterTests): """ This class implements the default state test and all the helper functions it needs. """ version = 1 def compare_property(self, bluez_property, mgmt_setting, current_settings): """ Compare bluez property value and Kernel property @param bluez_property : Bluez property to be compared @param mgmt_setting : Bit mask of management setting @param current_settings : Current kernel settings @return : True if bluez property and the current settings agree """ cur_kernel_value = 1 if mgmt_setting & current_settings else 0 return bluez_property == cur_kernel_value def default_state_test(self): """Test Default state of Bluetooth adapter after power cycling.""" # Reset the adapter to the powered off state. self.test_reset_off_adapter() # Kernel default state depends on whether the kernel supports the # BR/EDR Allowlist. When this is supported the 'connectable' setting # remains unset and instead page scan is managed by the kernel based # on whether or not a BR/EDR device is in the allowlist. ( commands, events ) = self.read_supported_commands() supports_add_device = bluetooth_socket.MGMT_OP_ADD_DEVICE in commands # Read the initial state of the adapter. Verify that it is powered down. ( address, bluetooth_version, manufacturer_id, supported_settings, current_settings, class_of_device, name, short_name ) = self.read_info() self.log_settings('Initial state', current_settings) if current_settings & bluetooth_socket.MGMT_SETTING_POWERED: raise error.TestFail('Bluetooth adapter is powered') # The other kernel settings (connectable, pairable, etc.) reflect the # initial state before the bluetooth daemon adjusts them - we're ok # with them being on or off during that brief period. # # Verify that the Bluetooth Daemon sees that it is also powered down, # non-discoverable and not discovering devices. bluez_properties = self.get_adapter_properties() if bluez_properties['Powered']: raise error.TestFail('Bluetooth daemon Powered property does not ' 'match kernel while powered off') if not self.compare_property(bluez_properties['Discoverable'], bluetooth_socket.MGMT_SETTING_DISCOVERABLE, current_settings): raise error.TestFail('Bluetooth daemon Discoverable property ' 'does not match kernel while powered off') if bluez_properties['Discovering']: raise error.TestFail('Bluetooth daemon believes adapter is ' 'discovering while powered off') # Compare with the raw HCI state of the adapter as well, this should # be just not "UP", otherwise something deeply screwy is happening. flags = self.get_dev_info()[3] self.log_flags('Initial state', flags) if flags & bluetooth_socket.HCI_UP: raise error.TestFail('HCI UP flag does not match kernel while ' 'powered off') # Power on the adapter, then read the state again. Verify that it is # powered up, pairable, but not discoverable. self.test_power_on_adapter() current_settings = self.read_info()[4] self.log_settings("Powered up", current_settings) if not current_settings & bluetooth_socket.MGMT_SETTING_POWERED: raise error.TestFail('Bluetooth adapter is not powered') # If the kernel does not supports the BR/EDR allowlist, the adapter # should be generically connectable; # if it doesn't, then it depends on previous settings. if not supports_add_device: if not current_settings & bluetooth_socket.MGMT_SETTING_CONNECTABLE: raise error.TestFail('Bluetooth adapter is not connectable ' 'though kernel does not support ' 'BR/EDR allowlist') # Verify that the Bluetooth Daemon sees the same state as the kernel # and that it's not discovering. bluez_properties = self.get_adapter_properties() if not bluez_properties['Powered']: raise error.TestFail('Bluetooth daemon Powered property does not ' 'match kernel while powered on') if not self.compare_property(bluez_properties['Pairable'], bluetooth_socket.MGMT_SETTING_PAIRABLE, current_settings): raise error.TestFail('Bluetooth daemon Pairable property does not ' 'match kernel while powered on') if not self.compare_property(bluez_properties['Discoverable'], bluetooth_socket.MGMT_SETTING_DISCOVERABLE, current_settings): raise error.TestFail('Bluetooth daemon Discoverable property ' 'does not match kernel while powered on') if bluez_properties['Discovering']: raise error.TestFail('Bluetooth daemon believes adapter is ' 'discovering while powered on') # Compare with the raw HCI state of the adapter while powered up as # well. flags = self.get_dev_info()[3] self.log_flags('Powered up', flags) if not flags & bluetooth_socket.HCI_UP: raise error.TestFail('HCI UP flag does not match kernel while ' 'powered on') if not flags & bluetooth_socket.HCI_RUNNING: raise error.TestFail('HCI RUNNING flag does not match kernel while ' 'powered on') if bool(flags & bluetooth_socket.HCI_ISCAN) != \ bool(bluez_properties['Discoverable']): raise error.TestFail('HCI ISCAN flag does not match kernel while ' 'powered on') if flags & bluetooth_socket.HCI_INQUIRY: raise error.TestFail('HCI INQUIRY flag does not match kernel while ' 'powered on') # If the kernel does not supports the BR/EDR allowlist, the adapter # should generically connectable, so should it should be in PSCAN # mode. This matches the management API "connectable" setting so far. if not supports_add_device: if not flags & bluetooth_socket.HCI_PSCAN: raise error.TestFail('HCI PSCAN flag not set though kernel' 'does not supports BR/EDR allowlist') # Now we can examine the differences. Try adding and removing a device # from the kernel BR/EDR allowlist. The management API "connectable" # setting should remain off, but we should be able to see the PSCAN # flag come and go. if supports_add_device: # If PSCAN is currently on then device is CONNECTABLE # or a previous add device which was not removed. # Turn on and off DISCOVERABLE to turn off CONNECTABLE and # PSCAN if flags & bluetooth_socket.HCI_PSCAN: if not (current_settings & bluetooth_socket.MGMT_SETTING_CONNECTABLE): raise error.TestFail('PSCAN on but device not CONNECTABLE') logging.debug('Toggle Discoverable to turn off CONNECTABLE') self.test_discoverable() self.test_nondiscoverable() current_settings = self.read_info()[4] flags = self.get_dev_info()[3] self.log_flags('Discoverability Toggled', flags) if flags & bluetooth_socket.HCI_PSCAN: raise error.TestFail('PSCAN on after toggling DISCOVERABLE') previous_settings = current_settings previous_flags = flags self.add_device(DEVICE_ADDRESS, ADDRESS_TYPE, 1) # Wait for a few seconds before reading the settings time.sleep(3) current_settings = self.read_info()[4] self.log_settings("After add device", current_settings) flags = self.get_dev_info()[3] self.log_flags('After add device', flags) if current_settings != previous_settings: self.log_settings("previous settings", previous_settings) self.log_settings("current settings", current_settings) raise error.TestFail( 'Bluetooth adapter settings changed after add device') if not flags & bluetooth_socket.HCI_PSCAN: raise error.TestFail('HCI PSCAN flag not set after add device') # Remove the device again, and make sure the PSCAN flag goes away. self.remove_device(DEVICE_ADDRESS, ADDRESS_TYPE) # PSCAN is still enabled for a few seconds after remove device # on older devices. Wait for few second before reading the settigs time.sleep(3) current_settings = self.read_info()[4] self.log_settings("After remove device", current_settings) flags = self.get_dev_info()[3] self.log_flags('After remove device', flags) if current_settings != previous_settings: raise error.TestFail( 'Bluetooth adapter settings changed after remove device') if flags & bluetooth_socket.HCI_PSCAN: raise error.TestFail('HCI PSCAN flag set after remove device') # Finally power off the adapter again, and verify that the adapter has # returned to powered down. self.test_power_off_adapter() current_settings = self.read_info()[4] self.log_settings("After power down", current_settings) if current_settings & bluetooth_socket.MGMT_SETTING_POWERED: raise error.TestFail('Bluetooth adapter is powered after power off') # Verify that the Bluetooth Daemon sees the same state as the kernel. bluez_properties = self.get_adapter_properties() if bluez_properties['Powered']: raise error.TestFail('Bluetooth daemon Powered property does not ' 'match kernel after power off') if not self.compare_property(bluez_properties['Discoverable'], bluetooth_socket.MGMT_SETTING_DISCOVERABLE, current_settings): raise error.TestFail('Bluetooth daemon Discoverable property ' 'does not match kernel after off') if bluez_properties['Discovering']: raise error.TestFail('Bluetooth daemon believes adapter is ' 'discovering after power off') # And one last comparison with the raw HCI state of the adapter. flags = self.get_dev_info()[3] self.log_flags('After power down', flags) if flags & bluetooth_socket.HCI_UP: raise error.TestFail('HCI UP flag does not match kernel after ' 'power off')