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apk_operations.py
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apk_operations.py
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#!/usr/bin/env python
# Copyright 2017 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.
# Using colorama.Fore/Back/Style members
# pylint: disable=no-member
from __future__ import print_function
import argparse
import collections
import json
import logging
import os
import pipes
import posixpath
import random
import re
import shlex
import shutil
import subprocess
import sys
import tempfile
import textwrap
import zipfile
import adb_command_line
import devil_chromium
from devil import devil_env
from devil.android import apk_helper
from devil.android import device_errors
from devil.android import device_utils
from devil.android import flag_changer
from devil.android.sdk import adb_wrapper
from devil.android.sdk import build_tools
from devil.android.sdk import intent
from devil.android.sdk import version_codes
from devil.utils import run_tests_helper
_DIR_SOURCE_ROOT = os.path.normpath(
os.path.join(os.path.dirname(__file__), '..', '..'))
_JAVA_HOME = os.path.join(_DIR_SOURCE_ROOT, 'third_party', 'jdk', 'current')
with devil_env.SysPath(
os.path.join(_DIR_SOURCE_ROOT, 'third_party', 'colorama', 'src')):
import colorama
from incremental_install import installer
from pylib import constants
from pylib.symbols import deobfuscator
from pylib.utils import simpleperf
from pylib.utils import app_bundle_utils
with devil_env.SysPath(
os.path.join(_DIR_SOURCE_ROOT, 'build', 'android', 'gyp')):
import bundletool
BASE_MODULE = 'base'
def _Colorize(text, style=''):
return (style
+ text
+ colorama.Style.RESET_ALL)
def _InstallApk(devices, apk, install_dict):
def install(device):
if install_dict:
installer.Install(device, install_dict, apk=apk, permissions=[])
else:
device.Install(apk, permissions=[], allow_downgrade=True, reinstall=True)
logging.info('Installing %sincremental apk.', '' if install_dict else 'non-')
device_utils.DeviceUtils.parallel(devices).pMap(install)
# A named tuple containing the information needed to convert a bundle into
# an installable .apks archive.
# Fields:
# bundle_path: Path to input bundle file.
# bundle_apk_path: Path to output bundle .apks archive file.
# aapt2_path: Path to aapt2 tool.
# keystore_path: Path to keystore file.
# keystore_password: Password for the keystore file.
# keystore_alias: Signing key name alias within the keystore file.
# system_image_locales: List of Chromium locales to include in system .apks.
BundleGenerationInfo = collections.namedtuple(
'BundleGenerationInfo',
'bundle_path,bundle_apks_path,aapt2_path,keystore_path,keystore_password,'
'keystore_alias,system_image_locales')
def _GenerateBundleApks(info,
output_path=None,
minimal=False,
minimal_sdk_version=None,
mode=None,
optimize_for=None):
"""Generate an .apks archive from a bundle on demand.
Args:
info: A BundleGenerationInfo instance.
output_path: Path of output .apks archive.
minimal: Create the minimal set of apks possible (english-only).
minimal_sdk_version: When minimal=True, use this sdkVersion.
mode: Build mode, either None, or one of app_bundle_utils.BUILD_APKS_MODES.
optimize_for: Override split config, either None, or one of
app_bundle_utils.OPTIMIZE_FOR_OPTIONS.
"""
logging.info('Generating .apks file')
app_bundle_utils.GenerateBundleApks(
info.bundle_path,
# Store .apks file beside the .aab file by default so that it gets cached.
output_path or info.bundle_apks_path,
info.aapt2_path,
info.keystore_path,
info.keystore_password,
info.keystore_alias,
system_image_locales=info.system_image_locales,
mode=mode,
minimal=minimal,
minimal_sdk_version=minimal_sdk_version,
optimize_for=optimize_for)
def _InstallBundle(devices, apk_helper_instance, package_name,
command_line_flags_file, modules, fake_modules):
# Path Chrome creates after validating fake modules. This needs to be cleared
# for pushed fake modules to be picked up.
SPLITCOMPAT_PATH = '/data/data/' + package_name + '/files/splitcompat'
# Chrome command line flag needed for fake modules to work.
FAKE_FEATURE_MODULE_INSTALL = '--fake-feature-module-install'
def ShouldWarnFakeFeatureModuleInstallFlag(device):
if command_line_flags_file:
changer = flag_changer.FlagChanger(device, command_line_flags_file)
return FAKE_FEATURE_MODULE_INSTALL not in changer.GetCurrentFlags()
return False
def ClearFakeModules(device):
if device.PathExists(SPLITCOMPAT_PATH, as_root=True):
device.RemovePath(
SPLITCOMPAT_PATH, force=True, recursive=True, as_root=True)
logging.info('Removed %s', SPLITCOMPAT_PATH)
else:
logging.info('Skipped removing nonexistent %s', SPLITCOMPAT_PATH)
def Install(device):
ClearFakeModules(device)
if fake_modules and ShouldWarnFakeFeatureModuleInstallFlag(device):
# Print warning if command line is not set up for fake modules.
msg = ('Command line has no %s: Fake modules will be ignored.' %
FAKE_FEATURE_MODULE_INSTALL)
print(_Colorize(msg, colorama.Fore.YELLOW + colorama.Style.BRIGHT))
device.Install(
apk_helper_instance,
permissions=[],
modules=modules,
fake_modules=fake_modules,
allow_downgrade=True)
# Basic checks for |modules| and |fake_modules|.
# * |fake_modules| cannot include 'base'.
# * If |fake_modules| is given, ensure |modules| includes 'base'.
# * They must be disjoint (checked by device.Install).
modules_set = set(modules) if modules else set()
fake_modules_set = set(fake_modules) if fake_modules else set()
if BASE_MODULE in fake_modules_set:
raise Exception('\'-f {}\' is disallowed.'.format(BASE_MODULE))
if fake_modules_set and BASE_MODULE not in modules_set:
raise Exception(
'\'-f FAKE\' must be accompanied by \'-m {}\''.format(BASE_MODULE))
logging.info('Installing bundle.')
device_utils.DeviceUtils.parallel(devices).pMap(Install)
def _UninstallApk(devices, install_dict, package_name):
def uninstall(device):
if install_dict:
installer.Uninstall(device, package_name)
else:
device.Uninstall(package_name)
device_utils.DeviceUtils.parallel(devices).pMap(uninstall)
def _IsWebViewProvider(apk_helper_instance):
meta_data = apk_helper_instance.GetAllMetadata()
meta_data_keys = [pair[0] for pair in meta_data]
return 'com.android.webview.WebViewLibrary' in meta_data_keys
def _SetWebViewProvider(devices, package_name):
def switch_provider(device):
if device.build_version_sdk < version_codes.NOUGAT:
logging.error('No need to switch provider on pre-Nougat devices (%s)',
device.serial)
else:
device.SetWebViewImplementation(package_name)
device_utils.DeviceUtils.parallel(devices).pMap(switch_provider)
def _NormalizeProcessName(debug_process_name, package_name):
if not debug_process_name:
debug_process_name = package_name
elif debug_process_name.startswith(':'):
debug_process_name = package_name + debug_process_name
elif '.' not in debug_process_name:
debug_process_name = package_name + ':' + debug_process_name
return debug_process_name
def _LaunchUrl(devices, package_name, argv=None, command_line_flags_file=None,
url=None, apk=None, wait_for_java_debugger=False,
debug_process_name=None, nokill=None):
if argv and command_line_flags_file is None:
raise Exception('This apk does not support any flags.')
if url:
# TODO(agrieve): Launch could be changed to require only package name by
# parsing "dumpsys package" rather than relying on the apk.
if not apk:
raise Exception('Launching with URL is not supported when using '
'--package-name. Use --apk-path instead.')
view_activity = apk.GetViewActivityName()
if not view_activity:
raise Exception('APK does not support launching with URLs.')
debug_process_name = _NormalizeProcessName(debug_process_name, package_name)
def launch(device):
# --persistent is required to have Settings.Global.DEBUG_APP be set, which
# we currently use to allow reading of flags. https://crbug.com/784947
if not nokill:
cmd = ['am', 'set-debug-app', '--persistent', debug_process_name]
if wait_for_java_debugger:
cmd[-1:-1] = ['-w']
# Ignore error since it will fail if apk is not debuggable.
device.RunShellCommand(cmd, check_return=False)
# The flags are first updated with input args.
if command_line_flags_file:
changer = flag_changer.FlagChanger(device, command_line_flags_file)
flags = []
if argv:
adb_command_line.CheckBuildTypeSupportsFlags(device,
command_line_flags_file)
flags = shlex.split(argv)
try:
changer.ReplaceFlags(flags)
except device_errors.AdbShellCommandFailedError:
logging.exception('Failed to set flags')
if url is None:
# Simulate app icon click if no url is present.
cmd = [
'am', 'start', '-p', package_name, '-c',
'android.intent.category.LAUNCHER', '-a', 'android.intent.action.MAIN'
]
device.RunShellCommand(cmd, check_return=True)
else:
launch_intent = intent.Intent(action='android.intent.action.VIEW',
activity=view_activity, data=url,
package=package_name)
device.StartActivity(launch_intent)
device_utils.DeviceUtils.parallel(devices).pMap(launch)
if wait_for_java_debugger:
print('Waiting for debugger to attach to process: ' +
_Colorize(debug_process_name, colorama.Fore.YELLOW))
def _ChangeFlags(devices, argv, command_line_flags_file):
if argv is None:
_DisplayArgs(devices, command_line_flags_file)
else:
flags = shlex.split(argv)
def update(device):
adb_command_line.CheckBuildTypeSupportsFlags(device,
command_line_flags_file)
changer = flag_changer.FlagChanger(device, command_line_flags_file)
changer.ReplaceFlags(flags)
device_utils.DeviceUtils.parallel(devices).pMap(update)
def _TargetCpuToTargetArch(target_cpu):
if target_cpu == 'x64':
return 'x86_64'
if target_cpu == 'mipsel':
return 'mips'
return target_cpu
def _RunGdb(device, package_name, debug_process_name, pid, output_directory,
target_cpu, port, ide, verbose):
if not pid:
debug_process_name = _NormalizeProcessName(debug_process_name, package_name)
pid = device.GetApplicationPids(debug_process_name, at_most_one=True)
if not pid:
# Attaching gdb makes the app run so slow that it takes *minutes* to start
# up (as of 2018). Better to just fail than to start & attach.
raise Exception('App not running.')
gdb_script_path = os.path.dirname(__file__) + '/adb_gdb'
cmd = [
gdb_script_path,
'--package-name=%s' % package_name,
'--output-directory=%s' % output_directory,
'--adb=%s' % adb_wrapper.AdbWrapper.GetAdbPath(),
'--device=%s' % device.serial,
'--pid=%s' % pid,
'--port=%d' % port,
]
if ide:
cmd.append('--ide')
# Enable verbose output of adb_gdb if it's set for this script.
if verbose:
cmd.append('--verbose')
if target_cpu:
cmd.append('--target-arch=%s' % _TargetCpuToTargetArch(target_cpu))
logging.warning('Running: %s', ' '.join(pipes.quote(x) for x in cmd))
print(_Colorize('All subsequent output is from adb_gdb script.',
colorama.Fore.YELLOW))
os.execv(gdb_script_path, cmd)
def _PrintPerDeviceOutput(devices, results, single_line=False):
for d, result in zip(devices, results):
if not single_line and d is not devices[0]:
sys.stdout.write('\n')
sys.stdout.write(
_Colorize('{} ({}):'.format(d, d.build_description),
colorama.Fore.YELLOW))
sys.stdout.write(' ' if single_line else '\n')
yield result
def _RunMemUsage(devices, package_name, query_app=False):
cmd_args = ['dumpsys', 'meminfo']
if not query_app:
cmd_args.append('--local')
def mem_usage_helper(d):
ret = []
for process in sorted(_GetPackageProcesses(d, package_name)):
meminfo = d.RunShellCommand(cmd_args + [str(process.pid)])
ret.append((process.name, '\n'.join(meminfo)))
return ret
parallel_devices = device_utils.DeviceUtils.parallel(devices)
all_results = parallel_devices.pMap(mem_usage_helper).pGet(None)
for result in _PrintPerDeviceOutput(devices, all_results):
if not result:
print('No processes found.')
else:
for name, usage in sorted(result):
print(_Colorize('==== Output of "dumpsys meminfo %s" ====' % name,
colorama.Fore.GREEN))
print(usage)
def _DuHelper(device, path_spec, run_as=None):
"""Runs "du -s -k |path_spec|" on |device| and returns parsed result.
Args:
device: A DeviceUtils instance.
path_spec: The list of paths to run du on. May contain shell expansions
(will not be escaped).
run_as: Package name to run as, or None to run as shell user. If not None
and app is not android:debuggable (run-as fails), then command will be
run as root.
Returns:
A dict of path->size in KiB containing all paths in |path_spec| that exist
on device. Paths that do not exist are silently ignored.
"""
# Example output for: du -s -k /data/data/org.chromium.chrome/{*,.*}
# 144 /data/data/org.chromium.chrome/cache
# 8 /data/data/org.chromium.chrome/files
# <snip>
# du: .*: No such file or directory
# The -d flag works differently across android version, so use -s instead.
# Without the explicit 2>&1, stderr and stdout get combined at random :(.
cmd_str = 'du -s -k ' + path_spec + ' 2>&1'
lines = device.RunShellCommand(cmd_str, run_as=run_as, shell=True,
check_return=False)
output = '\n'.join(lines)
# run-as: Package 'com.android.chrome' is not debuggable
if output.startswith('run-as:'):
# check_return=False needed for when some paths in path_spec do not exist.
lines = device.RunShellCommand(cmd_str, as_root=True, shell=True,
check_return=False)
ret = {}
try:
for line in lines:
# du: .*: No such file or directory
if line.startswith('du:'):
continue
size, subpath = line.split(None, 1)
ret[subpath] = int(size)
return ret
except ValueError:
logging.error('du command was: %s', cmd_str)
logging.error('Failed to parse du output:\n%s', output)
raise
def _RunDiskUsage(devices, package_name):
# Measuring dex size is a bit complicated:
# https://source.android.com/devices/tech/dalvik/jit-compiler
#
# For KitKat and below:
# dumpsys package contains:
# dataDir=/data/data/org.chromium.chrome
# codePath=/data/app/org.chromium.chrome-1.apk
# resourcePath=/data/app/org.chromium.chrome-1.apk
# nativeLibraryPath=/data/app-lib/org.chromium.chrome-1
# To measure odex:
# ls -l /data/dalvik-cache/data@app@org.chromium.chrome-1.apk@classes.dex
#
# For Android L and M (and maybe for N+ system apps):
# dumpsys package contains:
# codePath=/data/app/org.chromium.chrome-1
# resourcePath=/data/app/org.chromium.chrome-1
# legacyNativeLibraryDir=/data/app/org.chromium.chrome-1/lib
# To measure odex:
# # Option 1:
# /data/dalvik-cache/arm/data@app@org.chromium.chrome-1@base.apk@classes.dex
# /data/dalvik-cache/arm/data@app@org.chromium.chrome-1@base.apk@classes.vdex
# ls -l /data/dalvik-cache/profiles/org.chromium.chrome
# (these profiles all appear to be 0 bytes)
# # Option 2:
# ls -l /data/app/org.chromium.chrome-1/oat/arm/base.odex
#
# For Android N+:
# dumpsys package contains:
# dataDir=/data/user/0/org.chromium.chrome
# codePath=/data/app/org.chromium.chrome-UuCZ71IE-i5sZgHAkU49_w==
# resourcePath=/data/app/org.chromium.chrome-UuCZ71IE-i5sZgHAkU49_w==
# legacyNativeLibraryDir=/data/app/org.chromium.chrome-GUID/lib
# Instruction Set: arm
# path: /data/app/org.chromium.chrome-UuCZ71IE-i5sZgHAkU49_w==/base.apk
# status: /data/.../oat/arm/base.odex[status=kOatUpToDate, compilation_f
# ilter=quicken]
# Instruction Set: arm64
# path: /data/app/org.chromium.chrome-UuCZ71IE-i5sZgHAkU49_w==/base.apk
# status: /data/.../oat/arm64/base.odex[status=..., compilation_filter=q
# uicken]
# To measure odex:
# ls -l /data/app/.../oat/arm/base.odex
# ls -l /data/app/.../oat/arm/base.vdex (optional)
# To measure the correct odex size:
# cmd package compile -m speed org.chromium.chrome # For webview
# cmd package compile -m speed-profile org.chromium.chrome # For others
def disk_usage_helper(d):
package_output = '\n'.join(d.RunShellCommand(
['dumpsys', 'package', package_name], check_return=True))
# Does not return error when apk is not installed.
if not package_output or 'Unable to find package:' in package_output:
return None
# Ignore system apks that have updates installed.
package_output = re.sub(r'Hidden system packages:.*?^\b', '',
package_output, flags=re.S | re.M)
try:
data_dir = re.search(r'dataDir=(.*)', package_output).group(1)
code_path = re.search(r'codePath=(.*)', package_output).group(1)
lib_path = re.search(r'(?:legacyN|n)ativeLibrary(?:Dir|Path)=(.*)',
package_output).group(1)
except AttributeError:
raise Exception('Error parsing dumpsys output: ' + package_output)
if code_path.startswith('/system'):
logging.warning('Measurement of system image apks can be innacurate')
compilation_filters = set()
# Match "compilation_filter=value", where a line break can occur at any spot
# (refer to examples above).
awful_wrapping = r'\s*'.join('compilation_filter=')
for m in re.finditer(awful_wrapping + r'([\s\S]+?)[\],]', package_output):
compilation_filters.add(re.sub(r'\s+', '', m.group(1)))
compilation_filter = ','.join(sorted(compilation_filters))
data_dir_sizes = _DuHelper(d, '%s/{*,.*}' % data_dir, run_as=package_name)
# Measure code_cache separately since it can be large.
code_cache_sizes = {}
code_cache_dir = next(
(k for k in data_dir_sizes if k.endswith('/code_cache')), None)
if code_cache_dir:
data_dir_sizes.pop(code_cache_dir)
code_cache_sizes = _DuHelper(d, '%s/{*,.*}' % code_cache_dir,
run_as=package_name)
apk_path_spec = code_path
if not apk_path_spec.endswith('.apk'):
apk_path_spec += '/*.apk'
apk_sizes = _DuHelper(d, apk_path_spec)
if lib_path.endswith('/lib'):
# Shows architecture subdirectory.
lib_sizes = _DuHelper(d, '%s/{*,.*}' % lib_path)
else:
lib_sizes = _DuHelper(d, lib_path)
# Look at all possible locations for odex files.
odex_paths = []
for apk_path in apk_sizes:
mangled_apk_path = apk_path[1:].replace('/', '@')
apk_basename = posixpath.basename(apk_path)[:-4]
for ext in ('dex', 'odex', 'vdex', 'art'):
# Easier to check all architectures than to determine active ones.
for arch in ('arm', 'arm64', 'x86', 'x86_64', 'mips', 'mips64'):
odex_paths.append(
'%s/oat/%s/%s.%s' % (code_path, arch, apk_basename, ext))
# No app could possibly have more than 6 dex files.
for suffix in ('', '2', '3', '4', '5'):
odex_paths.append('/data/dalvik-cache/%s/%s@classes%s.%s' % (
arch, mangled_apk_path, suffix, ext))
# This path does not have |arch|, so don't repeat it for every arch.
if arch == 'arm':
odex_paths.append('/data/dalvik-cache/%s@classes%s.dex' % (
mangled_apk_path, suffix))
odex_sizes = _DuHelper(d, ' '.join(pipes.quote(p) for p in odex_paths))
return (data_dir_sizes, code_cache_sizes, apk_sizes, lib_sizes, odex_sizes,
compilation_filter)
def print_sizes(desc, sizes):
print('%s: %d KiB' % (desc, sum(sizes.itervalues())))
for path, size in sorted(sizes.iteritems()):
print(' %s: %s KiB' % (path, size))
parallel_devices = device_utils.DeviceUtils.parallel(devices)
all_results = parallel_devices.pMap(disk_usage_helper).pGet(None)
for result in _PrintPerDeviceOutput(devices, all_results):
if not result:
print('APK is not installed.')
continue
(data_dir_sizes, code_cache_sizes, apk_sizes, lib_sizes, odex_sizes,
compilation_filter) = result
total = sum(sum(sizes.itervalues()) for sizes in result[:-1])
print_sizes('Apk', apk_sizes)
print_sizes('App Data (non-code cache)', data_dir_sizes)
print_sizes('App Data (code cache)', code_cache_sizes)
print_sizes('Native Libs', lib_sizes)
show_warning = compilation_filter and 'speed' not in compilation_filter
compilation_filter = compilation_filter or 'n/a'
print_sizes('odex (compilation_filter=%s)' % compilation_filter, odex_sizes)
if show_warning:
logging.warning('For a more realistic odex size, run:')
logging.warning(' %s compile-dex [speed|speed-profile]', sys.argv[0])
print('Total: %s KiB (%.1f MiB)' % (total, total / 1024.0))
class _LogcatProcessor(object):
ParsedLine = collections.namedtuple(
'ParsedLine',
['date', 'invokation_time', 'pid', 'tid', 'priority', 'tag', 'message'])
class NativeStackSymbolizer(object):
"""Buffers lines from native stacks and symbolizes them when done."""
# E.g.: #06 pc 0x0000d519 /apex/com.android.runtime/lib/libart.so
# E.g.: #01 pc 00180c8d /data/data/.../lib/libbase.cr.so
_STACK_PATTERN = re.compile(r'\s*#\d+\s+(?:pc )?(0x)?[0-9a-f]{8,16}\s')
def __init__(self, stack_script_context, print_func):
# To symbolize native stacks, we need to pass all lines at once.
self._stack_script_context = stack_script_context
self._print_func = print_func
self._crash_lines_buffer = None
def _FlushLines(self):
"""Prints queued lines after sending them through stack.py."""
crash_lines = self._crash_lines_buffer
self._crash_lines_buffer = None
with tempfile.NamedTemporaryFile() as f:
f.writelines(x[0].message + '\n' for x in crash_lines)
f.flush()
proc = self._stack_script_context.Popen(
input_file=f.name, stdout=subprocess.PIPE)
lines = proc.communicate()[0].splitlines()
for i, line in enumerate(lines):
parsed_line, dim = crash_lines[min(i, len(crash_lines) - 1)]
d = parsed_line._asdict()
d['message'] = line
parsed_line = _LogcatProcessor.ParsedLine(**d)
self._print_func(parsed_line, dim)
def AddLine(self, parsed_line, dim):
# Assume all lines from DEBUG are stacks.
# Also look for "stack-looking" lines to catch manual stack prints.
# It's important to not buffer non-stack lines because stack.py does not
# pass them through.
is_crash_line = parsed_line.tag == 'DEBUG' or (self._STACK_PATTERN.match(
parsed_line.message))
if is_crash_line:
if self._crash_lines_buffer is None:
self._crash_lines_buffer = []
self._crash_lines_buffer.append((parsed_line, dim))
return
if self._crash_lines_buffer is not None:
self._FlushLines()
self._print_func(parsed_line, dim)
# Logcat tags for messages that are generally relevant but are not from PIDs
# associated with the apk.
_WHITELISTED_TAGS = {
'ActivityManager', # Shows activity lifecycle messages.
'ActivityTaskManager', # More activity lifecycle messages.
'AndroidRuntime', # Java crash dumps
'DEBUG', # Native crash dump.
}
# Matches messages only on pre-L (Dalvik) that are spammy and unimportant.
_DALVIK_IGNORE_PATTERN = re.compile('|'.join([
r'^Added shared lib',
r'^Could not find ',
r'^DexOpt:',
r'^GC_',
r'^Late-enabling CheckJNI',
r'^Link of class',
r'^No JNI_OnLoad found in',
r'^Trying to load lib',
r'^Unable to resolve superclass',
r'^VFY:',
r'^WAIT_',
]))
def __init__(self,
device,
package_name,
stack_script_context,
deobfuscate=None,
verbose=False):
self._device = device
self._package_name = package_name
self._verbose = verbose
self._deobfuscator = deobfuscate
self._native_stack_symbolizer = _LogcatProcessor.NativeStackSymbolizer(
stack_script_context, self._PrintParsedLine)
# Process ID for the app's main process (with no :name suffix).
self._primary_pid = None
# Set of all Process IDs that belong to the app.
self._my_pids = set()
# Set of all Process IDs that we've parsed at some point.
self._seen_pids = set()
# Start proc 22953:com.google.chromeremotedesktop/
self._pid_pattern = re.compile(r'Start proc (\d+):{}/'.format(package_name))
# START u0 {act=android.intent.action.MAIN \
# cat=[android.intent.category.LAUNCHER] \
# flg=0x10000000 pkg=com.google.chromeremotedesktop} from uid 2000
self._start_pattern = re.compile(r'START .*pkg=' + package_name)
self.nonce = 'Chromium apk_operations.py nonce={}'.format(random.random())
# Holds lines buffered on start-up, before we find our nonce message.
self._initial_buffered_lines = []
self._UpdateMyPids()
# Give preference to PID reported by "ps" over those found from
# _start_pattern. There can be multiple "Start proc" messages from prior
# runs of the app.
self._found_initial_pid = self._primary_pid != None
def _UpdateMyPids(self):
# We intentionally do not clear self._my_pids to make sure that the
# ProcessLine method below also includes lines from processes which may
# have already exited.
self._primary_pid = None
for process in _GetPackageProcesses(self._device, self._package_name):
# We take only the first "main" process found in order to account for
# possibly forked() processes.
if ':' not in process.name and self._primary_pid is None:
self._primary_pid = process.pid
self._my_pids.add(process.pid)
def _GetPidStyle(self, pid, dim=False):
if pid == self._primary_pid:
return colorama.Fore.WHITE
elif pid in self._my_pids:
# TODO(wnwen): Use one separate persistent color per process, pop LRU
return colorama.Fore.YELLOW
elif dim:
return colorama.Style.DIM
return ''
def _GetPriorityStyle(self, priority, dim=False):
# pylint:disable=no-self-use
if dim:
return ''
style = colorama.Fore.BLACK
if priority == 'E' or priority == 'F':
style += colorama.Back.RED
elif priority == 'W':
style += colorama.Back.YELLOW
elif priority == 'I':
style += colorama.Back.GREEN
elif priority == 'D':
style += colorama.Back.BLUE
return style
def _ParseLine(self, line):
tokens = line.split(None, 6)
def consume_token_or_default(default):
return tokens.pop(0) if len(tokens) > 0 else default
date = consume_token_or_default('')
invokation_time = consume_token_or_default('')
pid = int(consume_token_or_default(-1))
tid = int(consume_token_or_default(-1))
priority = consume_token_or_default('')
tag = consume_token_or_default('')
original_message = consume_token_or_default('')
# Example:
# 09-19 06:35:51.113 9060 9154 W GCoreFlp: No location...
# 09-19 06:01:26.174 9060 10617 I Auth : [ReflectiveChannelBinder]...
# Parsing "GCoreFlp:" vs "Auth :", we only want tag to contain the word,
# and we don't want to keep the colon for the message.
if tag and tag[-1] == ':':
tag = tag[:-1]
elif len(original_message) > 2:
original_message = original_message[2:]
return self.ParsedLine(
date, invokation_time, pid, tid, priority, tag, original_message)
def _PrintParsedLine(self, parsed_line, dim=False):
tid_style = colorama.Style.NORMAL
# Make the main thread bright.
if not dim and parsed_line.pid == parsed_line.tid:
tid_style = colorama.Style.BRIGHT
pid_style = self._GetPidStyle(parsed_line.pid, dim)
# We have to pad before adding color as that changes the width of the tag.
pid_str = _Colorize('{:5}'.format(parsed_line.pid), pid_style)
tid_str = _Colorize('{:5}'.format(parsed_line.tid), tid_style)
tag = _Colorize('{:8}'.format(parsed_line.tag),
pid_style + ('' if dim else colorama.Style.BRIGHT))
priority = _Colorize(parsed_line.priority,
self._GetPriorityStyle(parsed_line.priority))
messages = [parsed_line.message]
if self._deobfuscator:
messages = self._deobfuscator.TransformLines(messages)
for message in messages:
message = _Colorize(message, pid_style)
sys.stdout.write('{} {} {} {} {} {}: {}\n'.format(
parsed_line.date, parsed_line.invokation_time, pid_str, tid_str,
priority, tag, message))
def _TriggerNonceFound(self):
# Once the nonce is hit, we have confidence that we know which lines
# belong to the current run of the app. Process all of the buffered lines.
if self._primary_pid:
for args in self._initial_buffered_lines:
self._native_stack_symbolizer.AddLine(*args)
self._initial_buffered_lines = None
self.nonce = None
def ProcessLine(self, line):
if not line or line.startswith('------'):
return
if self.nonce and self.nonce in line:
self._TriggerNonceFound()
nonce_found = self.nonce is None
log = self._ParseLine(line)
if log.pid not in self._seen_pids:
self._seen_pids.add(log.pid)
if nonce_found:
# Update list of owned PIDs each time a new PID is encountered.
self._UpdateMyPids()
# Search for "Start proc $pid:$package_name/" message.
if not nonce_found:
# Capture logs before the nonce. Start with the most recent "am start".
if self._start_pattern.match(log.message):
self._initial_buffered_lines = []
# If we didn't find the PID via "ps", then extract it from log messages.
# This will happen if the app crashes too quickly.
if not self._found_initial_pid:
m = self._pid_pattern.match(log.message)
if m:
# Find the most recent "Start proc" line before the nonce.
# Track only the primary pid in this mode.
# The main use-case is to find app logs when no current PIDs exist.
# E.g.: When the app crashes on launch.
self._primary_pid = m.group(1)
self._my_pids.clear()
self._my_pids.add(m.group(1))
owned_pid = log.pid in self._my_pids
if owned_pid and not self._verbose and log.tag == 'dalvikvm':
if self._DALVIK_IGNORE_PATTERN.match(log.message):
return
if owned_pid or self._verbose or (log.priority == 'F' or # Java crash dump
log.tag in self._WHITELISTED_TAGS):
if nonce_found:
self._native_stack_symbolizer.AddLine(log, not owned_pid)
else:
self._initial_buffered_lines.append((log, not owned_pid))
def _RunLogcat(device, package_name, stack_script_context, deobfuscate,
verbose):
logcat_processor = _LogcatProcessor(
device, package_name, stack_script_context, deobfuscate, verbose)
device.RunShellCommand(['log', logcat_processor.nonce])
for line in device.adb.Logcat(logcat_format='threadtime'):
try:
logcat_processor.ProcessLine(line)
except:
sys.stderr.write('Failed to process line: ' + line + '\n')
# Skip stack trace for the common case of the adb server being
# restarted.
if 'unexpected EOF' in line:
sys.exit(1)
raise
def _GetPackageProcesses(device, package_name):
return [
p for p in device.ListProcesses(package_name)
if p.name == package_name or p.name.startswith(package_name + ':')]
def _RunPs(devices, package_name):
parallel_devices = device_utils.DeviceUtils.parallel(devices)
all_processes = parallel_devices.pMap(
lambda d: _GetPackageProcesses(d, package_name)).pGet(None)
for processes in _PrintPerDeviceOutput(devices, all_processes):
if not processes:
print('No processes found.')
else:
proc_map = collections.defaultdict(list)
for p in processes:
proc_map[p.name].append(str(p.pid))
for name, pids in sorted(proc_map.items()):
print(name, ','.join(pids))
def _RunShell(devices, package_name, cmd):
if cmd:
parallel_devices = device_utils.DeviceUtils.parallel(devices)
outputs = parallel_devices.RunShellCommand(
cmd, run_as=package_name).pGet(None)
for output in _PrintPerDeviceOutput(devices, outputs):
for line in output:
print(line)
else:
adb_path = adb_wrapper.AdbWrapper.GetAdbPath()
cmd = [adb_path, '-s', devices[0].serial, 'shell']
# Pre-N devices do not support -t flag.
if devices[0].build_version_sdk >= version_codes.NOUGAT:
cmd += ['-t', 'run-as', package_name]
else:
print('Upon entering the shell, run:')
print('run-as', package_name)
print()
os.execv(adb_path, cmd)
def _RunCompileDex(devices, package_name, compilation_filter):
cmd = ['cmd', 'package', 'compile', '-f', '-m', compilation_filter,
package_name]
parallel_devices = device_utils.DeviceUtils.parallel(devices)
outputs = parallel_devices.RunShellCommand(cmd, timeout=120).pGet(None)
for output in _PrintPerDeviceOutput(devices, outputs):
for line in output:
print(line)
def _RunProfile(device, package_name, host_build_directory, pprof_out_path,
process_specifier, thread_specifier, extra_args):
simpleperf.PrepareDevice(device)
device_simpleperf_path = simpleperf.InstallSimpleperf(device, package_name)
with tempfile.NamedTemporaryFile() as fh:
host_simpleperf_out_path = fh.name
with simpleperf.RunSimpleperf(device, device_simpleperf_path, package_name,
process_specifier, thread_specifier,
extra_args, host_simpleperf_out_path):
sys.stdout.write('Profiler is running; press Enter to stop...')
sys.stdin.read(1)
sys.stdout.write('Post-processing data...')
sys.stdout.flush()
simpleperf.ConvertSimpleperfToPprof(host_simpleperf_out_path,
host_build_directory, pprof_out_path)
print(textwrap.dedent("""
Profile data written to %(s)s.
To view profile as a call graph in browser:
pprof -web %(s)s
To print the hottest methods:
pprof -top %(s)s
pprof has many useful customization options; `pprof --help` for details.
""" % {'s': pprof_out_path}))
class _StackScriptContext(object):
"""Maintains temporary files needed by stack.py."""
def __init__(self,
output_directory,
apk_path,
bundle_generation_info,
quiet=False):
self._output_directory = output_directory
self._apk_path = apk_path
self._bundle_generation_info = bundle_generation_info
self._staging_dir = None
self._quiet = quiet
def _CreateStaging(self):
# In many cases, stack decoding requires APKs to map trace lines to native
# libraries. Create a temporary directory, and either unpack a bundle's
# APKS into it, or simply symlink the standalone APK into it. This
# provides an unambiguous set of APK files for the stack decoding process
# to inspect.
logging.debug('Creating stack staging directory')
self._staging_dir = tempfile.mkdtemp()
bundle_generation_info = self._bundle_generation_info
if bundle_generation_info:
# TODO(wnwen): Use apk_helper instead.
_GenerateBundleApks(bundle_generation_info)
logging.debug('Extracting .apks file')
with zipfile.ZipFile(bundle_generation_info.bundle_apks_path, 'r') as z:
files_to_extract = [
f for f in z.namelist() if f.endswith('-master.apk')
]
z.extractall(self._staging_dir, files_to_extract)
elif self._apk_path:
# Otherwise an incremental APK and an empty apks directory is correct.
output = os.path.join(self._staging_dir, os.path.basename(self._apk_path))
os.symlink(self._apk_path, output)
def Close(self):
if self._staging_dir:
logging.debug('Clearing stack staging directory')
shutil.rmtree(self._staging_dir)
self._staging_dir = None
def Popen(self, input_file=None, **kwargs):
if self._staging_dir is None:
self._CreateStaging()
stack_script = os.path.join(
constants.host_paths.ANDROID_PLATFORM_DEVELOPMENT_SCRIPTS_PATH,
'stack.py')
cmd = [
stack_script, '--output-directory', self._output_directory,
'--apks-directory', self._staging_dir
]
if self._quiet:
cmd.append('--quiet')
if input_file:
cmd.append(input_file)
logging.info('Running stack.py')
return subprocess.Popen(cmd, **kwargs)
def _GenerateAvailableDevicesMessage(devices):
devices_obj = device_utils.DeviceUtils.parallel(devices)
descriptions = devices_obj.pMap(lambda d: d.build_description).pGet(None)
msg = 'Available devices:\n'
for d, desc in zip(devices, descriptions):
msg += ' %s (%s)\n' % (d, desc)
return msg
# TODO(agrieve):add "--all" in the MultipleDevicesError message and use it here.
def _GenerateMissingAllFlagMessage(devices):
return ('More than one device available. Use --all to select all devices, ' +
'or use --device to select a device by serial.\n\n' +
_GenerateAvailableDevicesMessage(devices))
def _DisplayArgs(devices, command_line_flags_file):
def flags_helper(d):
changer = flag_changer.FlagChanger(d, command_line_flags_file)
return changer.GetCurrentFlags()
parallel_devices = device_utils.DeviceUtils.parallel(devices)
outputs = parallel_devices.pMap(flags_helper).pGet(None)