mirror of https://github.com/grpc/grpc-node.git
69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
/*
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*
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* Copyright 2023 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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var PROTO_PATH = __dirname + '/../protos/helloworld.proto';
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var grpc = require('@grpc/grpc-js');
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var protoLoader = require('@grpc/proto-loader');
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var packageDefinition = protoLoader.loadSync(
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PROTO_PATH,
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{keepCase: true,
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longs: String,
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enums: String,
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defaults: true,
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oneofs: true
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});
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var hello_proto = grpc.loadPackageDefinition(packageDefinition).helloworld;
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/**
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* Implements the SayHello RPC method.
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*/
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function sayHello(call, callback) {
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if (call.request.name === '') {
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callback({code: grpc.status.INVALID_ARGUMENT, details: 'request missing required field: name'});
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}
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callback(null, {message: 'Hello ' + call.request.name});
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}
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const REPLY_COUNT = 5;
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function sayHelloStreamReply(call) {
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if (call.request.name === '') {
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call.emit('error', {code: grpc.status.INVALID_ARGUMENT, details: 'request missing required field: name'});
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} else {
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for (let i = 0; i < REPLY_COUNT; i++) {
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call.write({message: 'Hello ' + call.request.name});
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}
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call.end();
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}
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}
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/**
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* Starts an RPC server that receives requests for the Greeter service at the
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* sample server port
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*/
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function main() {
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var server = new grpc.Server();
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server.addService(hello_proto.Greeter.service, {sayHello: sayHello, sayHelloStreamReply: sayHelloStreamReply});
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server.bindAsync('0.0.0.0:50052', grpc.ServerCredentials.createInsecure(), () => {
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server.start();
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});
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}
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main();
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