如何在windows上运行Node Cluster

How to run Node Cluster on windows?

本文关键字：运行 Node Cluster windows      更新时间：2023-09-26

有人知道如何在windows上运行Node Cluster吗?我在网上找不到任何文章，似乎无法解决这个问题:

events.js:160
      throw er; // Unhandled 'error' event
      ^
Error: write ENOTSUP
    at exports._errnoException (util.js:1007:11)
    at ChildProcess.target._send (internal/child_process.js:634:20)
    at ChildProcess.target.send (internal/child_process.js:521:19)
    at sendHelper (cluster.js:751:15)
    at send (cluster.js:534:12)
    at cluster.js:509:7
    at SharedHandle.add (cluster.js:99:3)
    at queryServer (cluster.js:501:12)
    at Worker.onmessage (cluster.js:449:7)
    at ChildProcess.<anonymous> (cluster.js:765:8)

和代码…

if (cluster.isMaster) {
    for (let i = 0; i < numCPUs; i++) {
        cluster.fork();
    }
    cluster.on('online', (worker) => {
        console.log('Worker ' + worker.process.pid + ' is online');
    });
    cluster.on('exit', (worker, code, signal) => {
        console.log(`Worker ${worker.process.pid} died with code ${code} and signal ${signal}`);
    });
} else {
    console.log('else part ');
    openPort();
}
function openPort() {
    let server = dgram.createSocket('udp4');
    server.bind(port, host);
    server.on('message', processMessage);
}

在v0.11.14中添加了对UDP集群的支持(用于Linux和OSX)。检查node.js master上的文件，上面写着"dgram集群目前不支持windows"

在当前的node js版本中，我使用下面的代码在windows上创建集群。

var cluster = require('cluster');
var numCPUs = require('os').cpus().length;
if (cluster.isMaster) {
  // Fork workers.
  for (var i = 0; i < numCPUs; i++) {
    cluster.fork();
  }

  cluster.on('exit', function(worker, code, signal) {
    console.log("worker ${worker.process.pid} died");
    cluster.fork();
  });
} else {
  var express = require('express');
  var http = require('http');
  // init app
  var app = express();
  function createServer(app) {
    return http.createServer(app);
  }
  app.locals.server = createServer(app);
  app.locals.server.listen(port, function() {
    console.info("server online");
  });
}

因此，为了在Windows上与Node集群使用UDP，您必须调用服务器。像这样绑定:

server.bind({port: 1900, exclusive: true}, function () {
        console.log('PORT BIND SUCCESS');
        server.setBroadcast(true);
        server.setMulticastTTL(128);
        server.addMembership(multicastAddress, myIp);
    });

关键部分是将对象{port: port, exclusive: true}传递给bind函数。我在这里找到了答案:https://github.com/misterdjules/node/commit/1a87a95d3d7ccc67fd74145c6f6714186e56f571

相关文章：