服务器在 WebSocket 中重新启动时重新连接客户端

Reconnection of Client when server reboots in WebSocket(服务器在 WebSocket 中重新启动时重新连接客户端)
本文介绍了服务器在 WebSocket 中重新启动时重新连接客户端的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

问题描述

我正在使用使用 PHP5 和 Chrome 浏览器作为客户端的网络套接字.我从网站 http://code.google.com/p/phpwebsocket/.

I am using web socket using PHP5 and the Chrome browser as client. I have taken the code from the site http://code.google.com/p/phpwebsocket/.

我运行服务器,客户端也连接上了.我也可以聊天.现在,当我重新启动服务器(通过杀死它并重新启动它)时,客户端获取断开连接的信息,但当我发送消息时不会自动重新连接服务器.

I run the server, and the client is also connected. I can chat as well. Now when I restart the server (by killing it and starting it again), the client gets the disconnected information, but automatically doesn't reconnect with server when I send the message.

如何实现?比如当我得到断开连接的信息时,我应该检查它并将其发送给 JavaScript 刷新页面还是重新连接?

How to achieve this? Like when I get the dis-connected information, should I check it and send it to JavaScript to refresh the page or reconnect?

推荐答案

当服务器重启时,Web Socket 连接关闭,因此触发 JavaScript onclose 事件.这是一个每五秒尝试重新连接一次的示例.

When the server reboots, the Web Socket connection is closed, so the JavaScript onclose event is triggered. Here's an example that tries to reconnect every five seconds.

function start(websocketServerLocation){
    ws = new WebSocket(websocketServerLocation);
    ws.onmessage = function(evt) { alert('message received'); };
    ws.onclose = function(){
        // Try to reconnect in 5 seconds
        setTimeout(function(){start(websocketServerLocation)}, 5000);
    };
}

这篇关于服务器在 WebSocket 中重新启动时重新连接客户端的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

本站部分内容来源互联网,如果有图片或者内容侵犯了您的权益,请联系我们,我们会在确认后第一时间进行删除!

相关文档推荐

Warning: mysqli_query() expects at least 2 parameters, 1 given. What?(警告:mysqli_query() 需要至少 2 个参数,1 个给定.什么?)
INSERT query produces quot;Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean givenquot;(INSERT 查询产生“警告:mysqli_num_rows() 期望参数 1 为 mysqli_result,给出布尔值;)
prepared statements - are they necessary(准备好的陈述 - 它们是否必要)
Do I need to escape my variables if I use MySQLi prepared statements?(如果我使用 MySQLi 准备好的语句,是否需要转义我的变量?)
Properly Escaping with MySQLI | query over prepared statements(使用 MySQLI 正确转义 |查询准备好的语句)
Is it possible to use mysqli_fetch_object with a prepared statement(是否可以将 mysqli_fetch_object 与准备好的语句一起使用)