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#
# Copyright 2017 The Cobalt Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""Android implementation of Starboard launcher abstraction."""
import os
import re
import socket
import subprocess
import sys
import threading
import time
import Queue
import _env # pylint: disable=unused-import,g-bad-import-order
from starboard.android.shared import sdk_utils
from starboard.tools import abstract_launcher
_APP_PACKAGE_NAME = 'dev.cobalt.coat'
_APP_START_INTENT = 'dev.cobalt.coat/dev.cobalt.app.MainActivity'
# Matches an "adb shell am monitor" error line.
_RE_ADB_AM_MONITOR_ERROR = re.compile(r'\*\* ERROR')
# String added to queue to indicate process has crashed
_QUEUE_CODE_CRASHED = 'crashed'
# How long to keep logging after a crash in order to emit the stack trace.
_CRASH_LOG_SECONDS = 1.0
_RUNTIME_PERMISSIONS = [
'android.permission.GET_ACCOUNTS',
'android.permission.RECORD_AUDIO',
]
def TargetOsPathJoin(*path_elements):
"""os.path.join for the target (Android)."""
return '/'.join(path_elements)
def CleanLine(line):
"""Removes trailing carriages returns from ADB output."""
return line.replace('\r', '')
class StepTimer(object):
"""Class for timing how long install/run steps take."""
def __init__(self, step_name):
self.step_name = step_name
self.start_time = time.time()
self.end_time = None
def Stop(self):
if self.start_time is None:
sys.stderr.write('Cannot stop timer; not started\n')
else:
self.end_time = time.time()
total_time = self.end_time - self.start_time
sys.stderr.write('Step \"{}\" took {} seconds.\n'.format(
self.step_name, total_time))
class AdbCommandBuilder(object):
"""Builder for 'adb' commands."""
def __init__(self, adb, device_id=None):
self.adb = adb
self.device_id = device_id
def Build(self, *args):
"""Builds an 'adb' commandline with the given args."""
result = [self.adb]
if self.device_id:
result.append('-s')
result.append(self.device_id)
result += list(args)
return result
class AdbAmMonitorWatcher(object):
"""Watches an "adb shell am monitor" process to detect crashes."""
def __init__(self, launcher, done_queue):
self.launcher = launcher
self.process = launcher._PopenAdb(
'shell', 'am', 'monitor', stdout=subprocess.PIPE)
if abstract_launcher.ARG_DRYRUN in launcher.launcher_args:
self.thread = None
return
self.thread = threading.Thread(target=self._Run)
self.thread.start()
self.done_queue = done_queue
def Shutdown(self):
self.process.kill()
if self.thread:
self.thread.join()
def _Run(self):
while True:
line = CleanLine(self.process.stdout.readline())
if not line:
return
# Show the crash lines reported by "am monitor".
sys.stderr.write(line)
if re.search(_RE_ADB_AM_MONITOR_ERROR, line):
self.done_queue.put(_QUEUE_CODE_CRASHED)
# This log line will wake up the main thread
self.launcher.CallAdb('shell', 'log', '-t', 'starboard',
'am monitor detected crash')
class Launcher(abstract_launcher.AbstractLauncher):
"""Run an application on Android."""
def __init__(self, platform, target_name, config, device_id, **kwargs):
super(Launcher, self).__init__(platform, target_name, config, device_id,
**kwargs)
if abstract_launcher.ARG_SYSTOOLS in self.launcher_args:
# Use default adb binary from path.
self.adb = 'adb'
else:
self.adb = os.path.join(sdk_utils.GetSdkPath(), 'platform-tools', 'adb')
self.adb_builder = AdbCommandBuilder(self.adb)
if not self.device_id:
self.device_id = self._IdentifyDevice()
else:
self._ConnectIfNecessary()
self.adb_builder.device_id = self.device_id
# Verify connection and dump target build fingerprint.
self._CheckCallAdb('shell', 'getprop', 'ro.build.fingerprint')
out_directory = os.path.split(self.GetTargetPath())[0]
self.apk_path = os.path.join(out_directory, '{}.apk'.format(target_name))
if not os.path.exists(self.apk_path):
raise Exception("Can't find APK {}".format(self.apk_path))
# This flag is set when the main Run() loop exits. If Kill() is called
# after this flag is set, it will not do anything.
self.killed = threading.Event()
# Keep track of the port used by ADB forward in order to remove it later
# on.
self.local_port = None
def _IsValidIPv4Address(self, address):
"""Returns True if address is a valid IPv4 address, False otherwise."""
try:
# inet_aton throws an exception if the address is not a valid IPv4
# address. However addresses such as '127.1' might still be considered
# valid, hence the check for 3 '.' in the address.
# pylint: disable=g-socket-inet-aton
if socket.inet_aton(address) and address.count('.') == 3:
return True
except Exception: # pylint: disable=broad-except
pass
return False
def _GetAdbDevices(self):
"""Returns a list of names of connected devices, or empty list if none."""
# Does not use the ADBCommandBuilder class because this command should be
# run without targeting a specific device.
p = self._PopenAdb('devices', stdout=subprocess.PIPE)
result = p.stdout.readlines()[1:-1]
p.wait()
names = []
for device in result:
name_info = device.split('\t')
# Some devices may not have authorization for USB debugging.
try:
if 'unauthorized' not in name_info[1]:
names.append(name_info[0])
# Sometimes happens when device is found, even though none are connected.
except IndexError:
continue
return names
def _IdentifyDevice(self):
"""Picks a device to be used to run the executable.
In the event that no device_id is provided, but multiple
devices are connected, this method chooses the first device
listed.
Returns:
The name of an attached device, or None if no devices are present.
"""
device_name = None
devices = self._GetAdbDevices()
if devices:
device_name = devices[0]
return device_name
def _ConnectIfNecessary(self):
"""Run ADB connect if needed for devices connected over IP."""
if not self._IsValidIPv4Address(self.device_id):
return
for device in self._GetAdbDevices():
# Devices returned by _GetAdbDevices might include port number, so cannot
# simply check if self.device_id is in the returned list.
if self.device_id in device:
return
# Device isn't connected. Run ADB connect.
# Does not use the ADBCommandBuilder class because this command should be
# run without targeting a specific device.
p = self._PopenAdb(
'connect',
'{}:5555'.format(self.device_id),
stderr=subprocess.STDOUT,
stdout=subprocess.PIPE,
)
result = p.stdout.readlines()[0]
p.wait()
if 'connected to' not in result:
sys.stderr.write('Failed to connect to {}\n'.format(self.device_id))
sys.stderr.write('connect command exited with code {} '
'and returned: {}'.format(p.returncode, result))
def _Call(self, *args):
sys.stderr.write('{}\n'.format(' '.join(args)))
if abstract_launcher.ARG_DRYRUN not in self.launcher_args:
subprocess.call(args, close_fds=True)
def CallAdb(self, *in_args):
args = self.adb_builder.Build(*in_args)
self._Call(*args)
def _CheckCall(self, *args):
sys.stderr.write('{}\n'.format(' '.join(args)))
if abstract_launcher.ARG_DRYRUN not in self.launcher_args:
subprocess.check_call(args, close_fds=True)
def _CheckCallAdb(self, *in_args):
args = self.adb_builder.Build(*in_args)
self._CheckCall(*args)
def _PopenAdb(self, *args, **kwargs):
build_args = self.adb_builder.Build(*args)
sys.stderr.write('{}\n'.format(' '.join(build_args)))
if abstract_launcher.ARG_DRYRUN in self.launcher_args:
return subprocess.Popen(['echo', 'dry-run'])
return subprocess.Popen(build_args, close_fds=True, **kwargs)
def Run(self):
# The return code for binaries run on Android is read from a log line that
# it emitted in android_main.cc. This return_code variable will be assigned
# the value read when we see that line, or left at 1 in the event of a crash
# or early exit.
return_code = 1
# Setup for running executable
self._CheckCallAdb('wait-for-device')
self._Shutdown()
# Clear logcat
self._CheckCallAdb('logcat', '-c')
# Install the APK, unless "noinstall" was specified.
if abstract_launcher.ARG_NOINSTALL not in self.launcher_args:
install_timer = StepTimer('install')
self._CheckCallAdb('install', '-r', self.apk_path)
install_timer.Stop()
# Send the wakeup key to ensure daydream isn't running, otherwise Activity
# Manager may get in a loop running the test over and over again.
self._CheckCallAdb('shell', 'input', 'keyevent', 'KEYCODE_WAKEUP')
# Grant runtime permissions to avoid prompts during testing.
if abstract_launcher.ARG_NOINSTALL not in self.launcher_args:
for permission in _RUNTIME_PERMISSIONS:
self._CheckCallAdb('shell', 'pm', 'grant', _APP_PACKAGE_NAME,
permission)
done_queue = Queue.Queue()
am_monitor = AdbAmMonitorWatcher(self, done_queue)
# Increases the size of the logcat buffer. Without this, the log buffer
# will not flush quickly enough and output will be cut off.
self._CheckCallAdb('logcat', '-G', '2M')
# Ctrl + C will kill this process
logcat_process = self._PopenAdb(
'logcat',
'-v',
'raw',
'-s',
'*:F',
'*:E',
'DEBUG:*',
'System.err:*',
'starboard:*',
'starboard_media:*',
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
# Actually running executable
run_timer = StepTimer('running executable')
try:
args = ['shell', 'am', 'start']
command_line_params = [
'--android_log_sleep_time=1000',
'--disable_sign_in',
]
for param in self.target_command_line_params:
if param.startswith('--link='):
# Android deeplinks go in the Intent data
link = param.split('=')[1]
args += ['-d', "'{}'".format(link)]
else:
command_line_params.append(param)
args += ['--esa', 'args', "'{}'".format(','.join(command_line_params))]
args += [_APP_START_INTENT]
self._CheckCallAdb(*args)
run_loop = abstract_launcher.ARG_DRYRUN not in self.launcher_args
app_crashed = False
while run_loop:
if not done_queue.empty():
done_queue_code = done_queue.get_nowait()
if done_queue_code == _QUEUE_CODE_CRASHED:
app_crashed = True
threading.Timer(_CRASH_LOG_SECONDS, logcat_process.kill).start()
# Note we cannot use "for line in logcat_process.stdout" because
# that uses a large buffer which will cause us to deadlock.
line = CleanLine(logcat_process.stdout.readline())
# Some crashes are not caught by the am_monitor thread, but they do
# produce the following string in logcat before they exit.
if 'beginning of crash' in line:
app_crashed = True
threading.Timer(_CRASH_LOG_SECONDS, logcat_process.kill).start()
if not line: # Logcat exited, or was killed
break
else:
self._WriteLine(line)
# Don't break until we see the below text in logcat, which should be
# written when the Starboard application event loop finishes.
if '***Application Stopped***' in line:
try:
return_code = int(line.split(' ')[-1])
except ValueError: # Error message was printed to stdout
pass
logcat_process.kill()
break
finally:
if app_crashed:
self._WriteLine('***Application Crashed***\n')
# Set return code to mimic segfault code on Linux
return_code = 11
else:
self._Shutdown()
if self.local_port is not None:
self.CallAdb('forward', '--remove', 'tcp:{}'.format(self.local_port))
am_monitor.Shutdown()
self.killed.set()
run_timer.Stop()
if logcat_process.poll() is None:
# This could happen when using SIGINT to kill the launcher
# (e.g. when using starboard/tools/example/app_launcher_client.py).
sys.stderr.write('Logcat process is still running. Killing it now.\n')
logcat_process.kill()
return return_code
def _Shutdown(self):
self.CallAdb('shell', 'am', 'force-stop', _APP_PACKAGE_NAME)
def SupportsDeepLink(self):
return True
def SendDeepLink(self, link):
shell_cmd = 'am start -d "{}" {}'.format(link, _APP_START_INTENT)
args = ['shell', shell_cmd]
self._CheckCallAdb(*args)
return True
def Kill(self):
if not self.killed.is_set():
sys.stderr.write('***Killing Launcher***\n')
self._CheckCallAdb('shell', 'log', '-t', 'starboard',
'***Application Stopped*** 1')
self._Shutdown()
else:
sys.stderr.write('Cannot kill launcher: already dead.\n')
def _WriteLine(self, line):
"""Write log output to stdout."""
self.output_file.write(line)
self.output_file.flush()
def GetHostAndPortGivenPort(self, port):
forward_p = self._PopenAdb(
'forward', 'tcp:0', 'tcp:{}'.format(port), stdout=subprocess.PIPE)
forward_p.wait()
self.local_port = CleanLine(forward_p.stdout.readline()).rstrip('\n')
sys.stderr.write('ADB forward local port {} '
'=> device port {}\n'.format(self.local_port, port))
# pylint: disable=g-socket-gethostbyname
return socket.gethostbyname('localhost'), self.local_port
def GetDeviceIp(self):
"""Gets the device IP. TODO: Implement."""
return None