92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
"""
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A windows service wrapper for the py.execnet socketserver.
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To use, run:
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python socketserverservice.py register
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net start ExecNetSocketServer
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"""
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import sys
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import os
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import time
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import win32serviceutil
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import win32service
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import win32event
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import win32evtlogutil
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import servicemanager
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import threading
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import socketserver
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appname = 'ExecNetSocketServer'
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class SocketServerService(win32serviceutil.ServiceFramework):
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_svc_name_ = appname
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_svc_display_name_ = "%s" % appname
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_svc_deps_ = ["EventLog"]
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def __init__(self, args):
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# The exe-file has messages for the Event Log Viewer.
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# Register the exe-file as event source.
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#
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# Probably it would be better if this is done at installation time,
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# so that it also could be removed if the service is uninstalled.
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# Unfortunately it cannot be done in the 'if __name__ == "__main__"'
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# block below, because the 'frozen' exe-file does not run this code.
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#
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win32evtlogutil.AddSourceToRegistry(self._svc_display_name_,
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servicemanager.__file__,
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"Application")
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win32serviceutil.ServiceFramework.__init__(self, args)
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self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)
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self.WAIT_TIME = 1000 # in milliseconds
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def SvcStop(self):
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self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
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win32event.SetEvent(self.hWaitStop)
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def SvcDoRun(self):
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# Redirect stdout and stderr to prevent "IOError: [Errno 9]
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# Bad file descriptor". Windows services don't have functional
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# output streams.
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sys.stdout = sys.stderr = open('nul', 'w')
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# Write a 'started' event to the event log...
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win32evtlogutil.ReportEvent(self._svc_display_name_,
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servicemanager.PYS_SERVICE_STARTED,
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0, # category
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servicemanager.EVENTLOG_INFORMATION_TYPE,
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(self._svc_name_, ''))
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print("Begin: %s" % (self._svc_display_name_))
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hostport = ':8888'
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print('Starting py.execnet SocketServer on %s' % hostport)
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serversock = socketserver.bind_and_listen(hostport)
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thread = threading.Thread(target=socketserver.startserver,
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args=(serversock,),
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kwargs={'loop':True})
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thread.setDaemon(True)
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thread.start()
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# wait to be stopped or self.WAIT_TIME to pass
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while True:
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result = win32event.WaitForSingleObject(self.hWaitStop,
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self.WAIT_TIME)
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if result == win32event.WAIT_OBJECT_0:
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break
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# write a 'stopped' event to the event log.
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win32evtlogutil.ReportEvent(self._svc_display_name_,
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servicemanager.PYS_SERVICE_STOPPED,
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0, # category
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servicemanager.EVENTLOG_INFORMATION_TYPE,
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(self._svc_name_, ''))
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print("End: %s" % appname)
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if __name__ == '__main__':
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# Note that this code will not be run in the 'frozen' exe-file!!!
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win32serviceutil.HandleCommandLine(SocketServerService)
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