test_functional.py 文件源码

def test_quick_connect(self):
        # Clients that connected and disconnected quickly could cause
        # the server to crash, due to a failure to catch errors in the
        # initial part of the connection process.
        # Tracked in issues #91, #104 and #105.
        # See also https://bugs.launchpad.net/zodb/+bug/135108
        import struct

        def connect(addr):
            with contextlib.closing(socket.socket()) as s:
                # Set SO_LINGER to 1,0 causes a connection reset (RST) to
                # be sent when close() is called, instead of the standard
                # FIN shutdown sequence.
                s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
                             struct.pack('ii', 1, 0))
                s.settimeout(TIMEOUT)
                try:
                    s.connect(addr)
                except socket.error:
                    pass

        for x in range(10):
            connect((self.server.host, self.server.port))
        for x in range(10):
            addr = self.client.makepasv()
            connect(addr)