1 # Copyright 2018 The gRPC Authors 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 """The reflection-enabled version of gRPC helloworld.Greeter server.""" 15 16 from concurrent import futures 17 import time 18 19 import grpc 20 from grpc_reflection.v1alpha import reflection 21 22 import helloworld_pb2 23 import helloworld_pb2_grpc 24 25 _ONE_DAY_IN_SECONDS = 60 * 60 * 24 26 27 28 class Greeter(helloworld_pb2_grpc.GreeterServicer): 29 30 def SayHello(self, request, context): 31 return helloworld_pb2.HelloReply(message='Hello, %s!' % request.name) 32 33 34 def serve(): 35 server = grpc.server(futures.ThreadPoolExecutor(max_workers=10)) 36 helloworld_pb2_grpc.add_GreeterServicer_to_server(Greeter(), server) 37 SERVICE_NAMES = ( 38 helloworld_pb2.DESCRIPTOR.services_by_name['Greeter'].full_name, 39 reflection.SERVICE_NAME, 40 ) 41 reflection.enable_server_reflection(SERVICE_NAMES, server) 42 server.add_insecure_port('[::]:50051') 43 server.start() 44 try: 45 while True: 46 time.sleep(_ONE_DAY_IN_SECONDS) 47 except KeyboardInterrupt: 48 server.stop(0) 49 50 51 if __name__ == '__main__': 52 serve() 53
