| # 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) |
