1// Copyright 2019 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 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 24import "google/protobuf/timestamp.proto"; 25import "google/protobuf/duration.proto"; 26 27// The greeting service definition. 28service Greeter { 29 // Sends a greeting 30 rpc SayHello (HelloRequest) returns (HelloReply) {} 31} 32 33// The request message containing the user's name. 34message HelloRequest { 35 string name = 1; 36 google.protobuf.Timestamp request_initiation = 2; 37} 38 39// The response message containing the greetings 40message HelloReply { 41 string message = 1; 42 google.protobuf.Duration request_duration = 2; 43} 44