1/* 2 * Copyright 2018, OpenCensus Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17syntax = "proto3"; 18 19option java_multiple_files = true; 20option java_package = "io.opencensus.examples.grpc.helloworld"; 21option java_outer_classname = "HelloWorldProto"; 22 23package helloworld; 24 25// The greeting service definition. 26service Greeter { 27 // Sends a greeting 28 rpc SayHello (HelloRequest) returns (HelloReply) {} 29} 30 31// The request message containing the user's name. 32message HelloRequest { 33 string name = 1; 34} 35 36// The response message containing the greetings 37message HelloReply { 38 string message = 1; 39} 40