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# Copyright (c) 2008 AG Projects
# Author: Denis Bilenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
"""This test checks that underlying socket instances (gevent.socket.socket._sock)
are not leaked by the hub.
"""
from _socket import socket
class Socket(socket):
"Something we can have a weakref to"
import _socket
_socket.socket = Socket
import greentest
from gevent import monkey; monkey.patch_all()
from pprint import pformat
from thread import start_new_thread
from time import sleep
import weakref
import gc
import socket
socket._realsocket = Socket
SOCKET_TIMEOUT = 0.1
def init_server():
s = socket.socket()
s.settimeout(SOCKET_TIMEOUT)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(('127.0.0.1', 0))
s.listen(5)
return s
def handle_request(s, raise_on_timeout):
try:
conn, address = s.accept()
except socket.timeout:
if raise_on_timeout:
raise
else:
return
#print 'handle_request - accepted'
res = conn.recv(100)
assert res == 'hello', repr(res)
#print 'handle_request - recvd %r' % res
res = conn.send('bye')
#print 'handle_request - sent %r' % res
#print 'handle_request - conn refcount: %s' % sys.getrefcount(conn)
#conn.close()
def make_request(port):
#print 'make_request'
s = socket.socket()
s.connect(('127.0.0.1', port))
#print 'make_request - connected'
res = s.send('hello')
#print 'make_request - sent %s' % res
res = s.recv(100)
assert res == 'bye', repr(res)
#print 'make_request - recvd %r' % res
#s.close()
def run_interaction(run_client):
s = init_server()
start_new_thread(handle_request, (s, run_client))
if run_client:
port = s.getsockname()[1]
start_new_thread(make_request, (port, ))
sleep(0.1 + SOCKET_TIMEOUT)
#print sys.getrefcount(s._sock)
#s.close()
return weakref.ref(s._sock)
def run_and_check(run_client):
w = run_interaction(run_client=run_client)
if w():
print pformat(gc.get_referrers(w()))
for x in gc.get_referrers(w()):
print pformat(x)
for y in gc.get_referrers(x):
print '-', pformat(y)
raise AssertionError('server should be dead by now')
class Test(greentest.TestCase):
def test_clean_exit(self):
run_and_check(True)
run_and_check(True)
def test_timeout_exit(self):
run_and_check(False)
run_and_check(False)
if __name__ == '__main__':
greentest.main()
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