[python-win32] SimpleXMLRPCServer Windows service
John Ferrell
jferrell at rhsmith.umd.edu
Thu Apr 27 16:19:31 CEST 2006
I am trying to create a Windows service using SimpleXMLRPCServer and
win32serviceutil. The service itself seems to be working properly
(starts, stops, etc) and I can connect using an XMLRPC client from the
localhost. However when I connect from a remote client, I either get a
socket error or an xmlrpclib.ProtocolError error. If I use
serve_forever() rather than handle_request(), the remote clients can
connect but it breaks the Windows service functionality (can't stop the
service). It would seem that the problem is related to the way the
service handles remote connections, but I cannot figure out what the
problem is.
I have searched around, but can't find any example code. Hopefully
someone can point me in the right direction.
thanks,
John
## XML-RPC Service
import win32serviceutil
import win32service
import win32event
import win32evtlogutil
import win32file
import servicemanager
import SimpleXMLRPCServer
class OBJECT:
def hello(self):
return "Hello World"
class XMLRPCSERVICE(win32serviceutil.ServiceFramework):
_svc_name_ = "XMLRPCSERVICE"
_svc_display_name_ = "XMLRPCSERVICE"
_svc_description_ = "XMLRPCSERVICE"
def __init__(self, args):
win32evtlogutil.AddSourceToRegistry(self._svc_display_name_,
sys.executable, "Application")
win32serviceutil.ServiceFramework.__init__(self, args)
self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)
self.hSockEvent = win32event.CreateEvent(None, 0, 0, None)
def SvcStop(self):
self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
win32event.SetEvent(self.hWaitStop)
def SvcDoRun(self):
## Write a started event
servicemanager.LogMsg(
servicemanager.EVENTLOG_INFORMATION_TYPE,
servicemanager.PYS_SERVICE_STARTED,
(self._svc_name_, ' (%s)' % self._svc_name_))
server = SimpleXMLRPCServer.SimpleXMLRPCServer(("", 8080))
object = OBJECT()
server.register_instance(object)
while 1:
win32file.WSAEventSelect(server,
self.hSockEvent,win32file.FD_ACCEPT)
rc =
win32event.WaitForMultipleObjects((self.hWaitStop,self.hSockEvent), 0,
win32event.INFINITE)
if rc == win32event.WAIT_OBJECT_0:
break
else:
win32file.WSAEventSelect(server,self.hSockEvent, 0)
server.handle_request()
#server.serve_forever() ## Works, but breaks the Windows
service functionality
## Write a stopped event
win32evtlogutil.ReportEvent(self._svc_name_,
servicemanager.PYS_SERVICE_STOPPED,0,
servicemanager.EVENTLOG_INFORMATION_TYPE,
(self._svc_name_,""))
if __name__ == '__main__':
win32serviceutil.HandleCommandLine(XMLRPCSERVICE)
------------------------------------------------------------------------------------------------------
## XML-RPC Client
import xmlrpclib
server = xmlrpclib.ServerProxy("http://remoteserver:8080")
print server.hello()
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