这是我的代理设置:
var express = require('express');
var vhost = require('vhost');
var proxy = require('http-proxy').createProxyServer();
var app = express();
var server = http.createServer(app);
// route api subdomain to port 2000
app.use(vhost('api.*.*', function(req, res) {
proxy.web(req, res, {target: 'http://localhost:2000'});
}));
// I need to get websocket requests to ws://api.example.com proxied port 4000
server.on('upgrade', function(req, socket, head) {
// proxy.ws seems like the right way to go, but how do I get this under the vhost?
proxy.ws(req, socket, head);
});
// everything else goes to port 3000
app.get('*', function(req, res) {
proxy.web(req, res, {target: 'http://localhost:3000'});
});
server.listen(80, function() {
console.log('Proxy listening on port 80.');
});
我是否需要深入了解 vhost 处理程序内的 req, res
对象来路由套接字请求?正确的做法是什么?
更新
不太漂亮,但我会尝试一下。
server.on('upgrade', function(req, socket, head) {
var host = req.headers.host;
var parts = host.split('.');
if (parts.length === 3 && parts[0] === 'api') {
proxy.ws(req, socket, head, {target: {target: 'http://localhost:2000'});
}
});
希望有一个更优雅的类似虚拟主机的解决方案。
最佳答案
事实证明就这么简单:
server.on('upgrade', vhost('api.*.*', function(req, socket, head) {
proxy.ws(req, socket, head);
}));
vhost
可以包裹在 upgrade
监听器中,就像它可以用作 http 请求的中间件一样。
关于javascript - 使用node-http-proxy在同一子域下代理 Node 服务器和websocket服务器,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33206490/