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- # Copyright 2016 Google Inc.
- #
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- from __future__ import print_function
- from _hardware import Hardware
- import sys
- import time
- class HardwareAndroid(Hardware):
- def __init__(self, adb):
- Hardware.__init__(self)
- self.warmup_time = 5
- self._adb = adb
- if self._adb.root():
- self._adb.remount()
- def __enter__(self):
- Hardware.__enter__(self)
- if not self._adb.is_root() and self._adb.root():
- self._adb.remount()
- self._adb.shell('\n'.join([
- # turn on airplane mode.
- '''
- settings put global airplane_mode_on 1''',
- # disable GPS.
- '''
- settings put secure location_providers_allowed -gps
- settings put secure location_providers_allowed -wifi
- settings put secure location_providers_allowed -network''']))
- if self._adb.is_root():
- self._adb.shell('\n'.join([
- # disable bluetooth, wifi, and mobile data.
- '''
- service call bluetooth_manager 8
- svc wifi disable
- svc data disable''',
- # kill the gui.
- '''
- setprop ctl.stop media
- setprop ctl.stop zygote
- setprop ctl.stop surfaceflinger
- setprop ctl.stop drm''',
- # disable ASLR
- '''
- echo 0 > /proc/sys/kernel/randomize_va_space''']))
- else:
- print("WARNING: no adb root access; results may be unreliable.",
- file=sys.stderr)
- return self
- def __exit__(self, exception_type, exception_value, traceback):
- Hardware.__exit__(self, exception_type, exception_value, traceback)
- self._adb.reboot() # some devices struggle waking up; just hard reboot.
- def sanity_check(self):
- Hardware.sanity_check(self)
- def print_debug_diagnostics(self):
- # search for and print thermal trip points that may have been exceeded.
- self._adb.shell('''\
- THERMALDIR=/sys/class/thermal
- if [ ! -d $THERMALDIR ]; then
- exit
- fi
- for ZONE in $(cd $THERMALDIR; echo thermal_zone*); do
- cd $THERMALDIR/$ZONE
- if [ ! -e mode ] || grep -Fxqv enabled mode || [ ! -e trip_point_0_temp ]; then
- continue
- fi
- TEMP=$(cat temp)
- TRIPPOINT=trip_point_0_temp
- if [ $TEMP -le $(cat $TRIPPOINT) ]; then
- echo "$ZONE ($(cat type)): temp=$TEMP <= $TRIPPOINT=$(cat $TRIPPOINT)" 1>&2
- else
- let i=1
- while [ -e trip_point_${i}_temp ] &&
- [ $TEMP -gt $(cat trip_point_${i}_temp) ]; do
- TRIPPOINT=trip_point_${i}_temp
- let i=i+1
- done
- echo "$ZONE ($(cat type)): temp=$TEMP > $TRIPPOINT=$(cat $TRIPPOINT)" 1>&2
- fi
- done''')
- Hardware.print_debug_diagnostics(self)
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