133 lines
5.5 KiB
Python
Executable File
133 lines
5.5 KiB
Python
Executable File
# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is standalone Firefox Windows performance test.
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#
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# The Initial Developer of the Original Code is Google Inc.
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# Portions created by the Initial Developer are Copyright (C) 2006
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Annie Sullivan <annie.sullivan@gmail.com> (original author)
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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"""A set of functions for process management on Windows.
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"""
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__author__ = 'annie.sullivan@gmail.com (Annie Sullivan)'
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import platform
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import os
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import re
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import time
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import subprocess
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from utils import talosError
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class FFProcess(object):
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def __init__(self):
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pass
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def RunProcessAndWaitForOutput(self, command, process_name, browser_wait, output_regex, timeout):
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"""Runs the given process and waits for the output that matches the given
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regular expression. Stops if the process exits early or times out.
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Args:
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command: String containing command to run
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process_name: Name of the process to run, in case it has to be killed
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browser_wait: Amount of time allowed for the browser to cleanly close
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output_regex: Regular expression to check against each output line.
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If the output matches, the process is terminated and
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the function returns.
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timeout: Time to wait before terminating the process and returning
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Returns:
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A tuple (match, timedout) where match is the match of the regular
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expression, and timed out is true if the process timed out and
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false otherwise.
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"""
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# Start the process
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process = subprocess.Popen(command,
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stdout=subprocess.PIPE,
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universal_newlines=True,
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shell=True,
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env=os.environ)
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handle = process.stdout
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# Wait for it to print output, terminate, or time out.
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time_elapsed = 0
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output = ''
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interval = 2 # Wait 2 seconds in between checks
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while time_elapsed < timeout:
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time.sleep(interval)
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time_elapsed += interval
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(bytes, current_output) = self.NonBlockingReadProcessOutput(handle)
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output += current_output
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result = output_regex.search(output)
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if result:
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try:
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return_val = result.group(1)
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timer=0
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while ((process.poll() is None) and timer < browser_wait):
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time.sleep(1)
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timer+=1
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self.TerminateAllProcesses(browser_wait, process_name)
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return (return_val, False)
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except IndexError:
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# Didn't really match
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pass
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# Timed out.
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self.TerminateAllProcesses(browser_wait, process_name)
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return (None, True)
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def checkBrowserAlive(self, process_name):
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#is the browser actually up?
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return (self.ProcessesWithNameExist(process_name) and
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not self.ProcessesWithNameExist("crashreporter", "talkback", "dwwin"))
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def checkAllProcesses(self, process_name, child_process):
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#is anything browser related active?
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return self.ProcessesWithNameExist(process_name, child_process, "crashreporter", "talkback", "dwwin")
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def cleanupProcesses(self, process_name, child_process, browser_wait):
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#kill any remaining browser processes
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self.TerminateAllProcesses(browser_wait, process_name, "crashreporter", "dwwin", "talkback")
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#check if anything is left behind
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if self.checkAllProcesses(process_name, child_process):
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#this is for windows machines. when attempting to send kill messages to win processes the OS
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# always gives the process a chance to close cleanly before terminating it, this takes longer
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# and we need to give it a little extra time to complete
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time.sleep(browser_wait)
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if self.checkAllProcesses(process_name, child_process):
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raise talosError("failed to cleanup")
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