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This adds call to release UDP port in a timely manner, so they can be reused in subsequent tests. Otherwise, one could face issue like #17623. Signed-off-by: Yanfeng Liu <yfliu2008@qq.com>
34 lines
830 B
Python
34 lines
830 B
Python
# test select.poll on UDP sockets
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try:
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import socket, select
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select.poll # Raises AttributeError for CPython implementations without poll()
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except (ImportError, AttributeError):
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print("SKIP")
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raise SystemExit
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try:
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.bind(socket.getaddrinfo("127.0.0.1", 8000)[0][-1])
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except OSError:
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print("SKIP")
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raise SystemExit
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poll = select.poll()
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# UDP socket should not be readable
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poll.register(s, select.POLLIN)
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print(len(poll.poll(0)))
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# UDP socket should be writable
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poll.modify(s, select.POLLOUT)
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print(poll.poll(0)[0][1] == select.POLLOUT)
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# same test for select.select, but just skip it if the function isn't available
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if hasattr(select, "select"):
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r, w, e = select.select([s], [], [], 0)
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assert not r and not w and not e
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s.close()
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