1/* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19var PROTO_PATH = __dirname + '/../../protos/helloworld.proto'; 20 21var grpc = require('grpc'); 22var protoLoader = require('@grpc/proto-loader'); 23var packageDefinition = protoLoader.loadSync( 24 PROTO_PATH, 25 {keepCase: true, 26 longs: String, 27 enums: String, 28 defaults: true, 29 oneofs: true 30 }); 31var hello_proto = grpc.loadPackageDefinition(packageDefinition).helloworld; 32 33function main() { 34 var client = new hello_proto.Greeter('localhost:50051', 35 grpc.credentials.createInsecure()); 36 var user; 37 if (process.argv.length >= 3) { 38 user = process.argv[2]; 39 } else { 40 user = 'world'; 41 } 42 client.sayHello({name: user}, function(err, response) { 43 console.log('Greeting:', response.message); 44 }); 45} 46 47main(); 48