| #!python | |
| # | |
| # Run with native CPython. Needs pywin32 extensions. | |
| # Copyright (c) 2011-2012 Ryan Prichard | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining a copy | |
| # of this software and associated documentation files (the "Software"), to | |
| # deal in the Software without restriction, including without limitation the | |
| # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
| # sell copies of the Software, and to permit persons to whom the Software is | |
| # furnished to do so, subject to the following conditions: | |
| # | |
| # The above copyright notice and this permission notice shall be included in | |
| # all copies or substantial portions of the Software. | |
| # | |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
| # IN THE SOFTWARE. | |
| import win32pipe | |
| import win32api | |
| import win32file | |
| import time | |
| import threading | |
| import sys | |
| # A message may not be larger than this size. | |
| MSG_SIZE=4096 | |
| serverPipe = win32pipe.CreateNamedPipe( | |
| "\\\\.\\pipe\\DebugServer", | |
| win32pipe.PIPE_ACCESS_DUPLEX, | |
| win32pipe.PIPE_TYPE_MESSAGE | win32pipe.PIPE_READMODE_MESSAGE, | |
| win32pipe.PIPE_UNLIMITED_INSTANCES, | |
| MSG_SIZE, | |
| MSG_SIZE, | |
| 10 * 1000, | |
| None) | |
| while True: | |
| win32pipe.ConnectNamedPipe(serverPipe, None) | |
| (ret, data) = win32file.ReadFile(serverPipe, MSG_SIZE) | |
| print(data.decode()) | |
| sys.stdout.flush() | |
| # The client uses CallNamedPipe to send its message. CallNamedPipe waits | |
| # for a reply message. If I send a reply, however, using WriteFile, then | |
| # sometimes WriteFile fails with: | |
| # pywintypes.error: (232, 'WriteFile', 'The pipe is being closed.') | |
| # I can't figure out how to write a strictly correct pipe server, but if | |
| # I comment out the WriteFile line, then everything seems to work. I | |
| # think the DisconnectNamedPipe call aborts the client's CallNamedPipe | |
| # call normally. | |
| try: | |
| win32file.WriteFile(serverPipe, b'OK') | |
| except: | |
| pass | |
| win32pipe.DisconnectNamedPipe(serverPipe) | |