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@ksze
Created July 3, 2014 10:25
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# -*- coding: utf-8 -*-
# pywin32
from win32api import GetLastError
from win32event import CreateEvent, WaitForSingleObject
from win32file import ReadFile, WriteFile
from win32pipe import CreateNamedPipe, ConnectNamedPipe, DisconnectNamedPipe
from win32pipe import PIPE_ACCESS_DUPLEX, PIPE_READMODE_MESSAGE, PIPE_TYPE_MESSAGE, PIPE_UNLIMITED_INSTANCES, PIPE_WAIT
from winerror import ERROR_IO_PENDING, ERROR_PIPE_CONNECTED
# named pipe parameters
MESSAGE_PIPE_NAME = r'\\.\pipe\MessagePipe'
BUFFER_SIZE = 1024
PIPE_TIMEOUT = 100000
# action codes
CHECKREADY = 200
def main():
# Create the named pipe
print "x"
message_pipe = CreateNamedPipe(MESSAGE_PIPE_NAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT, PIPE_UNLIMITED_INSTANCES, BUFFER_SIZE, BUFFER_SIZE, PIPE_TIMEOUT, None)
print "y"
last_error = GetLastError()
if last_error:
print u'Error creating named pipe.'
return last_error
# Connect to the named pipe
print "x"
result = ConnectNamedPipe(message_pipe, None)
print "y"
if result == ERROR_IO_PENDING:
print u'ERROR_IO_PENDING'
return result
if result == ERROR_PIPE_CONNECTED:
print u'ERROR_PIPE_CONNECTED'
return result
if result != 0:
print result
return result
# Try sending a message to the named pipe
print "write file x"
last_error, bytes_written = WriteFile(message_pipe, '%d' % CHECKREADY)
print "write file y"
if last_error != 0:
print u'Error writing to pipe: {}'.format(last_error)
return last_error
# Try reading from the named pipe
last_error, result = ReadFile(message_pipe, 512, None)
print u'last_error: {}'.format(last_error)
print u'result: {}'.format(result)
if __name__ == '__main__':
main()
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