93 lines
2.3 KiB
Python
93 lines
2.3 KiB
Python
"""This test checks that socket instances (not GreenSockets but underlying sockets)
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are not leaked by the hub.
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"""
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import gc
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from pprint import pformat
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import unittest
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import weakref
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from eventlet.support import clear_sys_exc_info
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from eventlet.green import socket
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from eventlet.green.thread import start_new_thread
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from eventlet.green.time import sleep
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SOCKET_TIMEOUT = 0.1
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def init_server():
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s = socket.socket()
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s.settimeout(SOCKET_TIMEOUT)
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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s.bind(('localhost', 0))
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s.listen(5)
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return s, s.getsockname()[1]
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def handle_request(s, raise_on_timeout):
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try:
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conn, address = s.accept()
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except socket.timeout:
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if raise_on_timeout:
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raise
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else:
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return
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# print('handle_request - accepted')
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res = conn.recv(100)
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assert res == b'hello', repr(res)
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# print('handle_request - recvd %r' % res)
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res = conn.send(b'bye')
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# print('handle_request - sent %r' % res)
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# print('handle_request - conn refcount: %s' % sys.getrefcount(conn))
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# conn.close()
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def make_request(port):
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# print('make_request')
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s = socket.socket()
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s.connect(('localhost', port))
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# print('make_request - connected')
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res = s.send(b'hello')
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# print('make_request - sent %s' % res)
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res = s.recv(100)
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assert res == b'bye', repr(res)
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# print('make_request - recvd %r' % res)
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# s.close()
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def run_interaction(run_client):
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s, port = init_server()
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start_new_thread(handle_request, (s, run_client))
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if run_client:
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start_new_thread(make_request, (port,))
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sleep(0.1 + SOCKET_TIMEOUT)
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# print(sys.getrefcount(s.fd))
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# s.close()
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return weakref.ref(s.fd)
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def run_and_check(run_client):
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w = run_interaction(run_client=run_client)
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clear_sys_exc_info()
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gc.collect()
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if w():
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print(pformat(gc.get_referrers(w())))
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for x in gc.get_referrers(w()):
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print(pformat(x))
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for y in gc.get_referrers(x):
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print('- {0}'.format(pformat(y)))
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raise AssertionError('server should be dead by now')
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def test_clean_exit():
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run_and_check(True)
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run_and_check(True)
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def test_timeout_exit():
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run_and_check(False)
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run_and_check(False)
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if __name__ == '__main__':
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unittest.main()
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