test_win32pipe.py 文件源码

def testTransactNamedPipeAsync(self):
        event = threading.Event()
        overlapped = pywintypes.OVERLAPPED()
        overlapped.hEvent = win32event.CreateEvent(None, 0, 0, None)
        self.startPipeServer(event, 0.5)
        open_mode = win32con.GENERIC_READ | win32con.GENERIC_WRITE

        hpipe = win32file.CreateFile(self.pipename,
                                     open_mode,
                                     0, # no sharing
                                     None, # default security
                                     win32con.OPEN_EXISTING,
                                     win32con.FILE_FLAG_OVERLAPPED,
                                     None)

        # set to message mode.
        win32pipe.SetNamedPipeHandleState(
                        hpipe, win32pipe.PIPE_READMODE_MESSAGE, None, None)

        buffer = win32file.AllocateReadBuffer(1024)
        hr, got = win32pipe.TransactNamedPipe(hpipe, str2bytes("foo\0bar"), buffer, overlapped)
        self.failUnlessEqual(hr, winerror.ERROR_IO_PENDING)
        nbytes = win32file.GetOverlappedResult(hpipe, overlapped, True)
        got = buffer[:nbytes]
        self.failUnlessEqual(got, str2bytes("bar\0foo"))
        event.wait(5)
        self.failUnless(event.isSet(), "Pipe server thread didn't terminate")