mongo-python-driver/test/mod_wsgi_test/test_client.py
2015-03-25 11:55:02 -07:00

179 lines
4.7 KiB
Python

# Copyright 2012-2015 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Test client for mod_wsgi application, see bug PYTHON-353.
"""
import sys
import threading
import time
from optparse import OptionParser
try:
from urllib2 import urlopen
except ImportError:
# Python 3.
from urllib.request import urlopen
try:
import thread
except ImportError:
# Python 3.
import _thread as thread
def parse_args():
parser = OptionParser("""usage: %prog [options] mode url
mode:\tparallel or serial""")
# Should be enough that any connection leak will exhaust available file
# descriptors.
parser.add_option(
"-n", "--nrequests", type="int",
dest="nrequests", default=50 * 1000,
help="Number of times to GET the URL, in total")
parser.add_option(
"-t", "--nthreads", type="int",
dest="nthreads", default=100,
help="Number of threads with mode 'parallel'")
parser.add_option(
"-q", "--quiet",
action="store_false", dest="verbose", default=True,
help="Don't print status messages to stdout")
parser.add_option(
"-c", "--continue",
action="store_true", dest="continue_", default=False,
help="Continue after HTTP errors")
try:
options, (mode, url) = parser.parse_args()
except ValueError:
parser.print_usage()
sys.exit(1)
if mode not in ('parallel', 'serial'):
parser.print_usage()
sys.exit(1)
return options, mode, url
def get(url):
urlopen(url).read().strip()
class URLGetterThread(threading.Thread):
# Class variables.
counter_lock = threading.Lock()
counter = 0
def __init__(self, options, url, nrequests_per_thread):
super(URLGetterThread, self).__init__()
self.options = options
self.url = url
self.nrequests_per_thread = nrequests_per_thread
self.errors = 0
def run(self):
for i in range(self.nrequests_per_thread):
try:
get(url)
except Exception as e:
print(e)
if not options.continue_:
thread.interrupt_main()
thread.exit()
self.errors += 1
with URLGetterThread.counter_lock:
URLGetterThread.counter += 1
counter = URLGetterThread.counter
should_print = options.verbose and not counter % 1000
if should_print:
print(counter)
def main(options, mode, url):
start_time = time.time()
errors = 0
if mode == 'parallel':
nrequests_per_thread = options.nrequests / options.nthreads
if options.verbose:
print (
'Getting %s %s times total in %s threads, '
'%s times per thread' % (
url, nrequests_per_thread * options.nthreads,
options.nthreads, nrequests_per_thread))
threads = [
URLGetterThread(options, url, nrequests_per_thread)
for _ in range(options.nthreads)
]
for t in threads:
t.start()
for t in threads:
t.join()
errors = sum([t.errors for t in threads])
nthreads_with_errors = len([t for t in threads if t.errors])
if nthreads_with_errors:
print('%d threads had errors! %d errors in total' % (
nthreads_with_errors, errors))
else:
assert mode == 'serial'
if options.verbose:
print('Getting %s %s times in one thread' % (
url, options.nrequests
))
for i in range(1, options.nrequests + 1):
try:
get(url)
except Exception as e:
print(e)
if not options.continue_:
sys.exit(1)
errors += 1
if options.verbose and not i % 1000:
print(i)
if errors:
print('%d errors!' % errors)
if options.verbose:
print('Completed in %.2f seconds' % (time.time() - start_time))
if errors:
# Failure
sys.exit(1)
if __name__ == '__main__':
options, mode, url = parse_args()
main(options, mode, url)