author jruderman@hmc.edu
Tue, 22 Apr 2008 21:38:41 -0700
changeset 14593 f91559603cca0eda16ba5713d0f117272397478c
parent 14312 4e8d3f9558b500d586c94f2efaeec2496a26dfcc
permissions -rw-r--r--
Adding a crashtest.

# Version: MPL 1.1/GPL 2.0/LGPL 2.1
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
# The Original Code is standalone Firefox Windows performance test.
# The Initial Developer of the Original Code is Google Inc.
# Portions created by the Initial Developer are Copyright (C) 2006
# the Initial Developer. All Rights Reserved.
# Contributor(s):
#   Annie Sullivan <annie.sullivan@gmail.com> (original author)
#   Ben Hearsum    <bhearsum@wittydomain.com> (OS independence)
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
# ***** END LICENSE BLOCK *****

import win32api
import win32file
import win32pdhutil
import win32pdh
import win32pipe
import msvcrt

def GenerateFirefoxCommandLine(firefox_path, profile_dir, url):
  """Generates the command line for a process to run Firefox

    firefox_path: String containing the path to the firefox exe to use
    profile_dir: String containing the directory of the profile to run Firefox in
    url: String containing url to start with.

  profile_arg = ''
  if profile_dir:
    profile_dir = profile_dir.replace('\\', '\\\\\\')
    profile_arg = '-profile %s' % profile_dir

  cmd = '%s %s %s' % (firefox_path,
  return cmd

def TerminateProcess(pid):
  """Helper function to terminate a process, given the pid

    pid: integer process id of the process to terminate.

  handle = win32api.OpenProcess(PROCESS_TERMINATE, False, pid)
  win32api.TerminateProcess(handle, -1)

def ProcessesWithNameExist(*process_names):
  """Returns true if there are any processes running with the
     given name.  Useful to check whether a Firefox process is still running

    process_name: String or strings containing the process name, i.e. "firefox"

    True if any processes with that name are running, False otherwise.

  for process_name in process_names: 
      # refresh list of processes
      win32pdh.EnumObjects(None, None, 0, 1)
      pids = win32pdhutil.FindPerformanceAttributesByName(process_name, counter="ID Process")
      if len(pids) > 0:
        return True 
      # Might get an exception if there are no instances of the process running.
  return False

def TerminateAllProcesses(*process_names):
  """Helper function to terminate all processes with the given process name

    process_name: String or strings containing the process name, i.e. "firefox"
  for process_name in process_names:
    # Get all the process ids of running instances of this process, and terminate them.
      pids = win32pdhutil.FindPerformanceAttributesByName(process_name, counter="ID Process")
      for pid in pids:
      # Might get an exception if there are no instances of the process running.

def NonBlockingReadProcessOutput(handle):
  """Does a non-blocking read from the output of the process
     with the given handle.

    handle: The process handle returned from os.popen()

    A tuple (bytes, output) containing the number of output
    bytes read, and the actual output.

  output = ""

    osfhandle = msvcrt.get_osfhandle(handle.fileno())
    (read, num_avail, num_message) = win32pipe.PeekNamedPipe(osfhandle, 0)
    if num_avail > 0:
      (error_code, output) = win32file.ReadFile(osfhandle, num_avail, None)

    return (num_avail, output)
    return (0, output)