Swoole/grpc 无法调用node官方grpc-server

Swoole版本4.5.2

启动example/grpc/greater_client.php，调用官方node grpc server，无响应，卡死。node server未进入响应逻辑。

@huanghantao

node

/*
 *
 * Copyright 2015 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

var PROTO_PATH = __dirname + '/grpc/helloworld.proto';

var grpc = require('grpc');
var protoLoader = require('@grpc/proto-loader');
var packageDefinition = protoLoader.loadSync(
    PROTO_PATH,
    {keepCase: true,
        longs: String,
        enums: String,
        defaults: true,
        oneofs: true
    });
var hello_proto = grpc.loadPackageDefinition(packageDefinition).helloworld;

/**
 * Implements the SayHello RPC method.
 */
function sayHello(call, callback) {
    callback(null, {message: 'Hello Node Server - ' + call.request.name});
}

/**
 * Starts an RPC server that receives requests for the Greeter service at the
 * sample server port
 */
function main() {
    var server = new grpc.Server();
    server.addService(hello_proto.Greeter.service, {sayHello: sayHello});
    server.bind('0.0.0.0:9502', grpc.ServerCredentials.createInsecure());
    server.start();
}

main();

php

<?php

use Helloworld\GreeterClient;
use Helloworld\HelloRequest;

require __DIR__ . '/../../vendor/autoload.php';

$name = !empty($argv[1]) ? $argv[1] : 'Swoole';

Swoole\Coroutine::create(function () use ($name) {
    $greeterClient = new GreeterClient('127.0.0.1:9502');
    $request = new HelloRequest();
    $request->setName($name);
    [$reply] = $greeterClient->SayHello($request);
    $message = $reply->getMessage();
    echo "{$message}\n";
    $greeterClient->close();
});

swoole / grpc

Swoole/grpc 无法调用node官方grpc-server #24