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 15syntax = "proto3"; 16 17option java_multiple_files = true; 18option java_package = "io.grpc.examples.helloworld"; 19option java_outer_classname = "HelloWorldProto"; 20option objc_class_prefix = "HLW"; 21 22package helloworld; 23 24// The greeting service definition. 25service Greeter { 26 // Sends a greeting 27 rpc SayHello (HelloRequest) returns (HelloReply) {} 28} 29 30// The request message containing the user's name. 31message HelloRequest { 32 string name = 1; 33} 34 35// The response message containing the greetings 36message HelloReply { 37 string message = 1; 38} 39