3 # Run with native CPython. Needs pywin32 extensions.
5 # Copyright (c) 2011-2012 Ryan Prichard
7 # Permission is hereby granted, free of charge, to any person obtaining a copy
8 # of this software and associated documentation files (the "Software"), to
9 # deal in the Software without restriction, including without limitation the
10 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
11 # sell copies of the Software, and to permit persons to whom the Software is
12 # furnished to do so, subject to the following conditions:
14 # The above copyright notice and this permission notice shall be included in
15 # all copies or substantial portions of the Software.
17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
32 # A message may not be larger than this size.
35 serverPipe = win32pipe.CreateNamedPipe(
36 "\\\\.\\pipe\\DebugServer",
37 win32pipe.PIPE_ACCESS_DUPLEX,
38 win32pipe.PIPE_TYPE_MESSAGE | win32pipe.PIPE_READMODE_MESSAGE,
39 win32pipe.PIPE_UNLIMITED_INSTANCES,
45 win32pipe.ConnectNamedPipe(serverPipe, None)
46 (ret, data) = win32file.ReadFile(serverPipe, MSG_SIZE)
50 # The client uses CallNamedPipe to send its message. CallNamedPipe waits
51 # for a reply message. If I send a reply, however, using WriteFile, then
52 # sometimes WriteFile fails with:
53 # pywintypes.error: (232, 'WriteFile', 'The pipe is being closed.')
54 # I can't figure out how to write a strictly correct pipe server, but if
55 # I comment out the WriteFile line, then everything seems to work. I
56 # think the DisconnectNamedPipe call aborts the client's CallNamedPipe
60 win32file.WriteFile(serverPipe, b'OK')
63 win32pipe.DisconnectNamedPipe(serverPipe)