def deserialize_and_reply(self, request):
start_working = datetime.datetime.now()
if not ZMQUtils.is_valid_envelop(request):
print 'Invalid Request:', TypeError
res = error_response(ERROR_INVALID_ENVELOP)
else:
if self.verbose:
print "raw_request", request
pboreq = PBOneRequest()
res = ''
try:
pboreq = PBOneRequest()
pboreq.ParseFromString(request[0])
pboresp = self.handle_request(pboreq)
end_working = datetime.datetime.now()
delta = end_working - start_working
pboresp.gresp.computetime = delta.total_seconds()
res = pboresp.SerializeToString()
except TypeError:
print 'Exception:', TypeError
traceback.print_exc()
res = error_response(ERROR_PARSING_EXCEPTION)
except Exception:
print 'General Exception:', Exception
traceback.print_exc()
res = error_response(ERROR_PARSING_EXCEPTION)
finally:
if self.verbose:
print 'raw_reply:', res
return [res]
def search_food_request_handler(oreq):
oresp = PBOneResponse()
try:
pbrealreq = oreq.searchfoodreq
processor = SearchFoodProcessor(pbrealreq)
oresp.etype = ERROR_NONE
oresp.rtype = SEARCH_FOOD_RESPONSE
# a partir de la si il y a une erreur elle est fonctionnelle
processor.process(oresp.searchfoodresp)
except Exception:
traceback.print_exc()
oresp = error_response(ERROR_REQUEST_HANDLER)
finally:
return oresp
def another_request_handler(oreq):
oresp = PBOneResponse()
try:
pbrealreq = oreq.anotherreq
processor = AnotherProcessor(pbrealreq)
oresp.rtype = ANOTHER_RESPONSE
processor.process(oresp.anotherresp)
# a partir de la si il y a une erreur elle est fonctionnelle
oresp.etype = ERROR_NONE
except Exception:
print "another_request: ", Exception
traceback.print_exc()
oresp = error_response(ERROR_REQUEST_HANDLER)
finally:
return oresp
def simple_request_handler(oreq):
oresp = PBOneResponse()
try:
pbsimplereq = oreq.simplereq
processor = SimpleProcessor(pbsimplereq)
oresp.rtype = SIMPLE_RESPONSE
processor.process(oresp.simpleresp)
# a partir de la si il y a une erreur elle est fonctionnelle
oresp.etype = ERROR_NONE
except Exception:
print "simple_request: ", Exception
traceback.print_exc()
oresp = error_response(ERROR_REQUEST_HANDLER)
finally:
return oresp
def handle_request(self, oreq):
# prepare response
oresp = PBOneResponse()
if self.verbose:
print "handle:", PBRequestType.values_by_number[oreq.rtype].name
# if exists
if oreq.rtype in self.existing_services.keys():
# do the job
oresp = self.existing_services[oreq.rtype](oreq)
else:
oresp = error_response(ERROR_UNKNOWN_SERVICE)
print "dispatch: Unknown service:", oreq.rtype
# Fill in Generic Response
fillOneResponseGenericFields(oresp, oreq)
return oresp