1 # Copyright 2015 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 Python implementation of the GRPC helloworld.Greeter server.""" 15 16 from concurrent import futures 17 import time 18 19 import grpc 20 21 import helloworld_pb2 22 import helloworld_pb2_grpc 23 24 _ONE_DAY_IN_SECONDS = 60 * 60 * 24 25 26 27 class Greeter(helloworld_pb2_grpc.GreeterServicer): 28 29 def SayHello(self, request, context): 30 return helloworld_pb2.HelloReply(message='Hello, %s!' % request.name) 31 32 33 def serve(): 34 server = grpc.server(futures.ThreadPoolExecutor(max_workers=10)) 35 helloworld_pb2_grpc.add_GreeterServicer_to_server(Greeter(), server) 36 server.add_insecure_port('[::]:50051') 37 server.start() 38 try: 39 while True: 40 time.sleep(_ONE_DAY_IN_SECONDS) 41 except KeyboardInterrupt: 42 server.stop(0) 43 44 45 if __name__ == '__main__': 46 serve() 47