build/android/pylib/utils/test_environment.py

   1 # Copyright 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import logging
   6 import psutil
   7 import signal
   8
   9 from pylib.device import device_errors
  10 from pylib.device import device_utils
  11
  12
  13 def _KillWebServers():
  14   for s in [signal.SIGTERM, signal.SIGINT, signal.SIGQUIT, signal.SIGKILL]:
  15     signalled = []
  16     for server in ['lighttpd', 'webpagereplay']:
  17       for p in psutil.process_iter():
  18         try:
  19           if not server in ' '.join(p.cmdline):
  20             continue
  21           logging.info('Killing %s %s %s', s, server, p.pid)
  22           p.send_signal(s)
  23           signalled.append(p)
  24         except Exception as e:
  25           logging.warning('Failed killing %s %s %s', server, p.pid, e)
  26     for p in signalled:
  27       try:
  28         p.wait(1)
  29       except Exception as e:
  30         logging.warning('Failed waiting for %s to die. %s', p.pid, e)
  31
  32
  33 def CleanupLeftoverProcesses():
  34   """Clean up the test environment, restarting fresh adb and HTTP daemons."""
  35   _KillWebServers()
  36   device_utils.RestartServer()
  37   p = device_utils.DeviceUtils.parallel()
  38   p.old_interface.RestartAdbdOnDevice()
  39   try:
  40     p.EnableRoot()
  41   except device_errors.CommandFailedError as e:
  42     # TODO(jbudorick) Handle this exception appropriately after interface
  43     #                 conversions are finished.
  44     logging.error(str(e))
  45   p.WaitUntilFullyBooted()
  46