如何使用HTML5与UDP套接字通信？ [英] How to talk to UDP sockets with HTML5?

问题描述

我有：
正在运行的C ++应用程序服务器，准备将数据发送到客户端，这应该是HTML5页面或应用程序。

我想要什么：有什么方法可以使用udp端口与HTML5进行通信，因为c ++服务器和HTML5应用程序都是系统本地的？

我知道：

• 由于安全问题，JS不允许UDP端口通信来自浏览器。


• 在很多地方阅读过，答案是否定的。但答案是旧的。
  

答案仍然是'NO'？

有没有可行的解决办法？

任何领导都表示赞赏。

解决方案

是的，答案仍然是'不'。 Websockets基于TCP。请注意，WebSocket不是普通的TCP连接，有HTTP协商和成帧协议。所以你也不能在Javascript中创建一个普通的TCP连接。

WebRTC基于UDP，它可能覆盖你的用例： http://www.html5rocks.com/en/tutorials/webrtc/datachannels/

What I have : A C++ application server running, Ready to send data to client which is supposed to a HTML5 page or app.

What I want : Is there any way to communicate using udp port with HTML5 given both c++ server and HTML5 app are local to system ?

What I know :

• Because of Security Concern, JS doesn't allow UDP port communication from browser.
• Have read in many places, Answer is no. But answers are old.

Is the answer still 'NO' ?

Is there any work-around possible ?

Any lead is appreciated.

解决方案

Yes, the answer is still 'no'. Websockets are TCP based. Note that a WebSocket is not a plain TCP connection, there is HTTP negotiation and a framing protocol in place. So you also cannot create a plain TCP connection in Javascript.

WebRTC is based on UDP, it may cover your use cases: http://www.html5rocks.com/en/tutorials/webrtc/datachannels/

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