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
5import logging
6import psutil
7import signal
8
9from pylib.device import device_errors
10from pylib.device import device_utils
11
12
13def _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
33def 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
47