205 lines
7.4 KiB
Python
205 lines
7.4 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 Mac 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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# Zach Lipton <zach@zachlipton.com> (Mac port)
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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 subprocess
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#HACK - http://www.gossamer-threads.com/lists/python/bugs/593800
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#To stop non-threadsafe popen nonsense, should be removed when we upgrade to
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#python 2.5 or later
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subprocess._cleanup = lambda: None
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import signal
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import os
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import time
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from select import select
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from ffprocess import FFProcess
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class MacProcess(FFProcess):
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def __init__(self):
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pass
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def GenerateBrowserCommandLine(self, browser_path, extra_args, profile_dir, url):
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"""Generates the command line for a process to run Browser
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Args:
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browser_path: String containing the path to the browser binary to use
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profile_dir: String containing the directory of the profile to run Browser 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_arg = '-profile %s' % profile_dir
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cmd = '%s -foreground %s %s %s' % (browser_path,
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extra_args,
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profile_arg,
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url)
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return cmd
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def GetPidsByName(self, process_name):
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"""Searches for processes containing a given string.
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Args:
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process_name: The string to be searched for
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Returns:
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A list of PIDs containing the string. An empty list is returned if none are
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found.
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"""
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matchingPids = []
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command = ['ps -Acj']
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handle = subprocess.Popen(command, stdout=subprocess.PIPE, universal_newlines=True, shell=True)
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# wait for the process to terminate
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handle.wait()
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data = handle.stdout.readlines()
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# find all matching processes and add them to the list
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for line in data:
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#overlook the mac crashreporter daemon
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if line.find("crashreporterd") >= 0:
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continue
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if line.find('defunct') != -1:
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continue
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#overlook zombie processes
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if line.find("Z+") >= 0:
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continue
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if line.find(process_name) >= 0:
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# splits by whitespace, the first one should be the pid
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pid = int(line.split()[1])
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matchingPids.append(pid)
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return matchingPids
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def ProcessesWithNameExist(self, *process_names):
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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 Browser process is still running
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Args:
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process_names: String or strings 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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for process_name in process_names:
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pids = self.GetPidsByName(process_name)
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if len(pids) > 0:
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return True
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return False
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def TerminateProcess(self, pid, timeout):
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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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try:
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if self.ProcessesWithNameExist(str(pid)):
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os.kill(pid, signal.SIGTERM)
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time.sleep(timeout)
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if self.ProcessesWithNameExist(str(pid)):
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os.kill(pid, signal.SIGKILL)
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except OSError, (errno, strerror):
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print 'WARNING: failed os.kill: %s : %s' % (errno, strerror)
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def TerminateAllProcesses(self, timeout, *process_names):
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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_names: String or strings containing the process name, i.e. "firefox"
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"""
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for process_name in process_names:
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pids = self.GetPidsByName(process_name)
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for pid in pids:
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self.TerminateProcess(pid, timeout)
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def NonBlockingReadProcessOutput(self, 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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num_avail = 0
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# check for data
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# select() does not seem to work well with pipes.
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# after data is available once it *always* thinks there is data available
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# readline() will continue to return an empty string however
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# so we can use this behavior to work around the problem
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while select([handle], [], [], 0)[0]:
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line = handle.readline()
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if line:
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output += line
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else:
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break
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# this statement is true for encodings that have 1byte/char
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num_avail = len(output)
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return (num_avail, output)
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def MakeDirectoryContentsWritable(self, dirname):
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"""Recursively makes all the contents of a directory writable.
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Uses os.chmod(filename, 0755).
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Args:
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dirname: Name of the directory to make contents writable.
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"""
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try:
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for (root, dirs, files) in os.walk(dirname):
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os.chmod(root, 0755)
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for filename in files:
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try:
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os.chmod(os.path.join(root, filename), 0755)
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except OSError, (errno, strerror):
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print 'WARNING: failed to os.chmod(%s): %s : %s' % (os.path.join(root, filename), errno, strerror)
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except OSError, (errno, strerror):
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print 'WARNING: failed to MakeDirectoryContentsWritable: %s : %s' % (errno, strerror)
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