1# Copyright 2023 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 16from concurrent import futures 17import logging 18from time import sleep 19 20import grpc 21import helloworld_pb2 22import helloworld_pb2_grpc 23 24 25class Greeter(helloworld_pb2_grpc.GreeterServicer): 26 def SayHello(self, request, context): 27 message = request.name 28 if message.startswith("[delay]"): 29 sleep(5) 30 return helloworld_pb2.HelloReply(message=message) 31 32 33def serve(): 34 port = "50051" 35 server = grpc.server(futures.ThreadPoolExecutor(max_workers=10)) 36 helloworld_pb2_grpc.add_GreeterServicer_to_server(Greeter(), server) 37 server.add_insecure_port("[::]:" + port) 38 server.start() 39 print("Server started, listening on " + port) 40 server.wait_for_termination() 41 42 43if __name__ == "__main__": 44 logging.basicConfig() 45 serve() 46