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137 lines
4.4 KiB
Python
137 lines
4.4 KiB
Python
# ***** 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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# Ben Hearsum <bhearsum@wittydomain.com> (OS independence)
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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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import win32api
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import win32file
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import win32pdhutil
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import win32pipe
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import msvcrt
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def GenerateFirefoxCommandLine(firefox_path, profile_dir, url):
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"""Generates the command line for a process to run Firefox
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Args:
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firefox_path: String containing the path to the firefox exe to use
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profile_dir: String containing the directory of the profile to run Firefox in
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url: String containing url to start with.
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"""
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profile_arg = ''
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if profile_dir:
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profile_dir = profile_dir.replace('\\', '\\\\\\')
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profile_arg = '-profile %s' % profile_dir
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cmd = '%s %s %s' % (firefox_path,
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profile_arg,
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url)
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return cmd
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def TerminateProcess(pid):
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"""Helper function to terminate a process, given the pid
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Args:
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pid: integer process id of the process to terminate.
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"""
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PROCESS_TERMINATE = 1
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handle = win32api.OpenProcess(PROCESS_TERMINATE, False, pid)
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win32api.TerminateProcess(handle, -1)
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win32api.CloseHandle(handle)
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def ProcessesWithNameExist(process_name):
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"""Returns true if there are any processes running with the
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given name. Useful to check whether a Firefox process is still running
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Args:
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process_name: String containing the process name, i.e. "firefox"
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Returns:
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True if any processes with that name are running, False otherwise.
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"""
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try:
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pids = win32pdhutil.FindPerformanceAttributesByName(process_name, counter="ID Process")
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return len(pids) > 0
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except:
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# Might get an exception if there are no instances of the process running.
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return False
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def TerminateAllProcesses(process_name):
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"""Helper function to terminate all processes with the given process name
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Args:
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process_name: String containing the process name, i.e. "firefox"
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"""
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# Get all the process ids of running instances of this process, and terminate them.
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try:
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pids = win32pdhutil.FindPerformanceAttributesByName(process_name, counter="ID Process")
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for pid in pids:
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TerminateProcess(pid)
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except:
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# Might get an exception if there are no instances of the process running.
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pass
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def NonBlockingReadProcessOutput(handle):
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"""Does a non-blocking read from the output of the process
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with the given handle.
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Args:
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handle: The process handle returned from os.popen()
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Returns:
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A tuple (bytes, output) containing the number of output
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bytes read, and the actual output.
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"""
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output = ""
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try:
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osfhandle = msvcrt.get_osfhandle(handle.fileno())
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(read, num_avail, num_message) = win32pipe.PeekNamedPipe(osfhandle, 0)
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if num_avail > 0:
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(error_code, output) = win32file.ReadFile(osfhandle, num_avail, None)
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return (num_avail, output)
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except:
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return (0, output)
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