来自不同服务器的http服务器和Web套接字 [英] http server and web sockets from separate servers

问题描述

配置一个http服务器(使用express)和一个分配给它的套接字服务器(socket.io)非常容易:

It's pretty easy to configure a http server (using express) and a socket server (socket.io) assigned to it:

var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);

如何在两个不同的node.js实例中运行http服务器和套接字服务器?

我的想法是通过这种方式利用性能，从而释放http节点实例，也不再将通知发送回客户端.

My idea is to leverage the performance this way, releasing the http node instance from the responsibility of also sending notifications back to the clients.

推荐答案

在常规的Socket.IO + Express应用中，Socket.IO拦截以/socket.io/开头的请求.

In a regular Socket.IO + Express app, Socket.IO intercepts requests starting with /socket.io/.

您可以将Nginx(或支持代理的任何其他网络服务器)设置为侦听80端口，如果请求以/socket.io/开头，则将其代理到Socket.IO进程，否则设置为Express进程.

You may set Nginx (or any other webserver that supports proxying) listening 80 port, and make it proxy to Socket.IO process if request starts with /socket.io/, and to Express process otherwise.

编辑:要在单独的过程中设置Socket.IO，可以使用以下代码:

To set up Socket.IO in separate process you may use the following code:

var io = require('socket.io')();
io.on('connection', function(socket){
    //here you can emit and listen messages
});
io.listen(3000);

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