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97 lines
3.3 KiB
97 lines
3.3 KiB
#
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# Copyright (C) 2016 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import types
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import threading
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import re
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import logging
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from vts.runners.host import const
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from vts.testcases.kernel.ltp.shell_environment import shell_commands
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class ShellEnvironment(object):
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'''Class for executing environment definition classes and do cleanup jobs.
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Attributes:
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shell: shell mirror object, shell to execute commands
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_cleanup_jobs: set of CheckSetupCleanup objects, a set used to store
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clean up jobs if requested.
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_thread_lock: a threading.Lock object
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'''
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def __init__(self, shell):
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self.shell = shell
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self._cleanup_jobs = []
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self._thread_lock = threading.Lock()
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def Cleanup(self):
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'''Final cleanup jobs. Will run all the stored cleanup jobs'''
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return all([method(*args) for method, args in self._cleanup_jobs])
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def AddCleanupJob(self, method, *args):
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'''Add a clean up job for final cleanup'''
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if (method, args) not in self._cleanup_jobs:
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self._cleanup_jobs.append((method, args))
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@property
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def shell(self):
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'''returns an object that can execute a shell command'''
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return self._shell
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@shell.setter
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def shell(self, shell):
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self._shell = shell
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def ExecuteDefinitions(self, definitions):
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'''Execute a given list of environment check definitions'''
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self._thread_lock.acquire()
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if not isinstance(definitions, types.ListType):
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definitions = [definitions]
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for definition in definitions:
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definition.context = self
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if not definition.Execute():
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self._thread_lock.release()
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return (False, definition.GetNote())
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self._thread_lock.release()
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return (True, "")
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def GetDeviceNumberOfPresentCpu(self):
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'''Get the number of available CPUs on target device'''
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results = self.shell.Execute('cat %s' %
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shell_commands.FILEPATH_CPU_PRESENT)
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if (not results or results[const.EXIT_CODE][0] or
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not results[const.STDOUT][0]):
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logging.error("Cannot get number of working CPU info."
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"\n Command results: {}".format(results))
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return 1
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else:
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cpu_info = results[const.STDOUT][0].strip()
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m = re.match("[0-9]+-?[0-9]*", cpu_info)
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if m and m.span() == (0, len(cpu_info)):
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logging.info("spam" + str(m.span()))
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try:
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return int(cpu_info.split('-')[-1]) + 1
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except Exception as e:
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logging.error(e)
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logging.error("Cannot parse number of working CPU info."
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"\n CPU info: '{}'".format(cpu_info))
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return 1
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