58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
# Test when client does a TCP RST on an open connection
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import struct, time, socket, select
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PORT = 8000
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def convert_poll_list(l):
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# To be compatible across all ports/targets
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return [ev for _, ev in l]
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# Server
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def instance0():
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multitest.globals(IP=multitest.get_network_ip())
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s = socket.socket()
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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s.bind(socket.getaddrinfo("0.0.0.0", PORT)[0][-1])
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s.listen(1)
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multitest.next()
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s2, _ = s.accept()
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s2.setblocking(False)
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poll = select.poll()
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poll.register(s2, select.POLLIN)
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time.sleep(0.4)
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print(convert_poll_list(poll.poll(1000)))
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# TODO: the following recv don't work with lwip, it abandons data upon TCP RST
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try:
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print(s2.recv(10))
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print(convert_poll_list(poll.poll(1000)))
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print(s2.recv(10))
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print(convert_poll_list(poll.poll(1000)))
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print(s2.recv(10))
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print(convert_poll_list(poll.poll(1000)))
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except OSError as er:
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print(er.errno)
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print(convert_poll_list(poll.poll(1000)))
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# TODO lwip raises here but apparently it shouldn't
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print(s2.recv(10))
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print(convert_poll_list(poll.poll(1000)))
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s2.close()
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s.close()
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# Client
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def instance1():
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if not hasattr(socket, "SO_LINGER"):
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multitest.skip()
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multitest.next()
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
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s.connect(socket.getaddrinfo(IP, PORT)[0][-1])
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lgr_onoff = 1
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lgr_linger = 0
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s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack("ii", lgr_onoff, lgr_linger))
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s.send(b"GET / HTTP/1.0\r\n\r\n")
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time.sleep(0.2)
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s.close() # This issues a TCP RST since we've set the linger option
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