1// Copyright 2015 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. 14syntax = "proto3"; 15 16option java_multiple_files = true; 17option java_package = "io.grpc.examples.helloworld"; 18option java_outer_classname = "HelloWorldProto"; 19option objc_class_prefix = "HLW"; 20 21package helloworld; 22 23// The greeting service definition. 24service Greeter { 25 // Sends a greeting 26 rpc SayHello (HelloRequest) returns (HelloReply) {} 27} 28 29// The request message containing the user's name. 30message HelloRequest { 31 string name = 1; 32} 33 34// The response message containing the greetings 35message HelloReply { 36 string message = 1; 37} 38