def testRestartServerAlreadyRunning(self):
if cmd_helper.RunCmd(['pgrep', 'adb']) != 0:
device_utils.RestartServer()
code, original_pid = cmd_helper.GetCmdStatusAndOutput(['pgrep', 'adb'])
self.assertEqual(0, code)
device_utils.RestartServer()
code, new_pid = cmd_helper.GetCmdStatusAndOutput(['pgrep', 'adb'])
self.assertEqual(0, code)
self.assertNotEqual(original_pid, new_pid)
def _KillHostLocked(self):
"""Kills the forwarder process running on the host.
Note that the global lock must be acquired before calling this method.
"""
logging.info('Killing host_forwarder.')
(exit_code, output) = cmd_helper.GetCmdStatusAndOutput(
[self._host_forwarder_path, '--kill-server'])
if exit_code != 0:
(exit_code, output) = cmd_helper.GetCmdStatusAndOutput(
['pkill', '-9', 'host_forwarder'])
if exit_code != 0:
raise Exception('%s exited with %d:\n%s' % (
self._host_forwarder_path, exit_code, '\n'.join(output)))
def _UnmapDevicePortLocked(device_port, device):
"""Internal method used by UnmapDevicePort().
Note that the global lock must be acquired before calling this method.
"""
instance = Forwarder._GetInstanceLocked(None)
serial = str(device)
serial_with_port = (serial, device_port)
if not serial_with_port in instance._device_to_host_port_map:
logging.error('Trying to unmap non-forwarded port %d' %
device_port)
return
redirection_command = [
'--adb=' + constants.GetAdbPath(), '--serial-id=' + serial,
'--unmap',
str(device_port)
]
logging.info('Undo forwarding using command: %s', redirection_command)
(exit_code, output
) = cmd_helper.GetCmdStatusAndOutput([instance._host_forwarder_path] +
redirection_command)
if exit_code != 0:
logging.error(
'%s exited with %d:\n%s' %
(instance._host_forwarder_path, exit_code, '\n'.join(output)))
host_port = instance._device_to_host_port_map[serial_with_port]
del instance._device_to_host_port_map[serial_with_port]
del instance._host_to_device_port_map[host_port]
def CheckSDKPlatform(api_level=DEFAULT_ANDROID_API_LEVEL):
"""Check if the "SDK Platform" for the specified API level is installed.
This is necessary in order for the emulator to run when the target
is specified.
Args:
api_level: the Android API level to check; defaults to the latest API.
Returns:
True if the platform is already installed.
"""
android_binary = os.path.join(constants.EMULATOR_SDK_ROOT,
'sdk', 'tools', 'android')
pattern = re.compile('id: [0-9]+ or "android-%d"' % api_level)
try:
exit_code, stdout = cmd_helper.GetCmdStatusAndOutput(
[android_binary, 'list'])
if exit_code != 0:
raise Exception('\'android list\' command failed')
for line in stdout.split('\n'):
if pattern.match(line):
return True
return False
except OSError:
logging.exception('Unable to execute \'android list\'')
return False
def Map(port_pairs, device, tool=None):
"""Runs the forwarder.
Args:
port_pairs: A list of tuples (device_port, host_port) to forward. Note
that you can specify 0 as a device_port, in which case a
port will by dynamically assigned on the device. You can
get the number of the assigned port using the
DevicePortForHostPort method.
device: A DeviceUtils instance.
tool: Tool class to use to get wrapper, if necessary, for executing the
forwarder (see valgrind_tools.py).
Raises:
Exception on failure to forward the port.
"""
# TODO(jbudorick) Remove once telemetry gets switched over.
if isinstance(device, pylib.android_commands.AndroidCommands):
device = pylib.device.device_utils.DeviceUtils(device)
if not tool:
tool = valgrind_tools.CreateTool(None, device)
with _FileLock(Forwarder._LOCK_PATH):
instance = Forwarder._GetInstanceLocked(tool)
instance._InitDeviceLocked(device, tool)
device_serial = device.old_interface.Adb().GetSerialNumber()
redirection_commands = [[
'--serial-id=' + device_serial, '--map',
str(device),
str(host)
] for device, host in port_pairs]
logging.info('Forwarding using commands: %s', redirection_commands)
for redirection_command in redirection_commands:
try:
(exit_code, output) = cmd_helper.GetCmdStatusAndOutput(
[instance._host_forwarder_path] + redirection_command)
except OSError as e:
if e.errno == 2:
raise Exception(
'Unable to start host forwarder. Make sure you have'
' built host_forwarder.')
else:
raise
if exit_code != 0:
raise Exception('%s exited with %d:\n%s' %
(instance._host_forwarder_path, exit_code,
'\n'.join(output)))
tokens = output.split(':')
if len(tokens) != 2:
raise Exception(
('Unexpected host forwarder output "%s", ' +
'expected "device_port:host_port"') % output)
device_port = int(tokens[0])
host_port = int(tokens[1])
serial_with_port = (device_serial, device_port)
instance._device_to_host_port_map[serial_with_port] = host_port
instance._host_to_device_port_map[host_port] = serial_with_port
logging.info('Forwarding device port: %d to host port: %d.',
device_port, host_port)
def RunCmd():
exit_code, output = cmd_helper.GetCmdStatusAndOutput(cmd)
if exit_code != 0:
raise CommandFailedError(
cmd, 'returned non-zero exit code %s, output: %s' %
(exit_code, output))
# This catches some errors, including when the device drops offline;
# unfortunately adb is very inconsistent with error reporting so many
# command failures present differently.
if check_error and output[:len('error:')] == 'error:':
raise CommandFailedError(arg_list, output)
return output
def _RunAaptCmd(args):
"""Runs an aapt command.
Args:
args: A list of arguments for aapt.
Returns:
The output of the command.
"""
cmd = [_AAPT_PATH] + args
status, output = cmd_helper.GetCmdStatusAndOutput(cmd)
if status != 0:
raise Exception('Failed running aapt command: "%s" with output "%s".' %
(' '.join(cmd), output))
return output
def _RunSplitSelectCmd(args):
"""Runs a split-select command.
Args:
args: A list of arguments for split-select.
Returns:
The output of the command.
"""
cmd = [_SPLIT_SELECT_PATH] + args
status, output = cmd_helper.GetCmdStatusAndOutput(cmd)
if status != 0:
raise Exception('Failed running command "%s" with output "%s".' %
(' '.join(cmd), output))
return output
def GetSDKPlatform(api_level=DEFAULT_ANDROID_API_LEVEL):
"""Update the SDK to include the platform specified.
Args:
api_level: the Android API level to download
"""
android_binary = os.path.join(constants.EMULATOR_SDK_ROOT, 'sdk', 'tools',
'android')
pattern = re.compile(
'\s*([0-9]+)- SDK Platform Android [\.,0-9]+, API %d.*' % api_level)
# Example:
# 2- SDK Platform Android 4.3, API 18, revision 2
exit_code, stdout = cmd_helper.GetCmdStatusAndOutput(
[android_binary, 'list', 'sdk'])
if exit_code != 0:
raise Exception('\'android list sdk\' command return %d' % exit_code)
for line in stdout.split('\n'):
match = pattern.match(line)
if match:
index = match.group(1)
print('package %s corresponds to platform level %d' %
(index, api_level))
# update sdk --no-ui --filter $INDEX
update_command = [
android_binary, 'update', 'sdk', '--no-ui', '--filter', index
]
update_command_str = ' '.join(update_command)
logging.info('running update command: %s' % update_command_str)
update_process = pexpect.spawn(update_command_str)
# TODO(andrewhayden): Do we need to bug the user about this?
if update_process.expect('Do you accept the license') != 0:
raise Exception('License agreement check failed')
update_process.sendline('y')
if update_process.expect('Done. 1 package installed.') == 0:
print('Successfully installed platform for API level %d' %
api_level)
return
else:
raise Exception('Failed to install platform update')
raise Exception('Could not find android-%d update for the SDK!' %
api_level)
def Map(port_pairs, device, tool=None):
"""Runs the forwarder.
Args:
port_pairs: A list of tuples (device_port, host_port) to forward. Note
that you can specify 0 as a device_port, in which case a
port will by dynamically assigned on the device. You can
get the number of the assigned port using the
DevicePortForHostPort method.
device: A DeviceUtils instance.
tool: Tool class to use to get wrapper, if necessary, for executing the
forwarder (see valgrind_tools.py).
Raises:
Exception on failure to forward the port.
"""
if not tool:
tool = valgrind_tools.CreateTool(None, device)
with _FileLock(Forwarder._LOCK_PATH):
instance = Forwarder._GetInstanceLocked(tool)
instance._InitDeviceLocked(device, tool)
device_serial = str(device)
redirection_commands = [[
'--adb=' + constants.GetAdbPath(),
'--serial-id=' + device_serial, '--map',
str(device_port),
str(host_port)
] for device_port, host_port in port_pairs]
logging.info('Forwarding using commands: %s', redirection_commands)
for redirection_command in redirection_commands:
try:
(exit_code, output) = cmd_helper.GetCmdStatusAndOutput(
[instance._host_forwarder_path] + redirection_command)
except OSError as e:
if e.errno == 2:
raise Exception(
'Unable to start host forwarder. Make sure you have'
' built host_forwarder.')
else:
raise
if exit_code != 0:
Forwarder._KillDeviceLocked(device, tool)
# Log alive forwarders
ps_out = device.RunShellCommand(['ps'])
logging.info('Currently running device_forwarders:')
for line in ps_out:
if 'device_forwarder' in line:
logging.info(' %s', line)
raise Exception('%s exited with %d:\n%s' %
(instance._host_forwarder_path, exit_code,
'\n'.join(output)))
tokens = output.split(':')
if len(tokens) != 2:
raise Exception('Unexpected host forwarder output "%s", '
'expected "device_port:host_port"' %
output)
device_port = int(tokens[0])
host_port = int(tokens[1])
serial_with_port = (device_serial, device_port)
instance._device_to_host_port_map[serial_with_port] = host_port
instance._host_to_device_port_map[host_port] = serial_with_port
logging.info('Forwarding device port: %d to host port: %d.',
device_port, host_port)
def IsServerOnline(cls):
status, output = cmd_helper.GetCmdStatusAndOutput(['pgrep', 'adb'])
output = [int(x) for x in output.split()]
logging.info('PIDs for adb found: %r', output)
return status == 0