1# Copyright 2020 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 AsyncIO helloworld.Greeter server.""" 15 16import asyncio 17import logging 18 19import grpc 20from grpc_reflection.v1alpha import reflection 21import helloworld_pb2 22import helloworld_pb2_grpc 23 24 25class Greeter(helloworld_pb2_grpc.GreeterServicer): 26 async def SayHello( 27 self, 28 request: helloworld_pb2.HelloRequest, 29 context: grpc.aio.ServicerContext, 30 ) -> helloworld_pb2.HelloReply: 31 return helloworld_pb2.HelloReply(message="Hello, %s!" % request.name) 32 33 34async def serve() -> None: 35 server = grpc.aio.server() 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 await server.start() 44 await server.wait_for_termination() 45 46 47if __name__ == "__main__": 48 logging.basicConfig() 49 asyncio.run(serve()) 50