The problem is your php. With the way your php script is written, only one message is sent per execution. That’s how it works if you access the php file directly, and that’s how it works if you access the file with an EventSource. So in order to make your php script send multiple messages, … Read more
I’m surprised noone here has mentioned long-polling. Long polling means keeping an open connection for a longer period (say 30-60 seconds), and once it’s closed, re-opening it again, and simply having the socket/connection listen for responses. This results in less connections (but longer ones), and means that responses are almost immediate (some may have to … Read more
Usually, you set the session timeout, and you can additionally add a page header to automatically redirect the current page to a page where you clear the session right before the session timeout. From http://aspalliance.com/1621_Implementing_a_Session_Timeout_Page_in_ASPNET.2 namespace SessionExpirePage { public partial class Secure : System.Web.UI.MasterPage { public int SessionLengthMinutes { get { return Session.Timeout; } } … Read more
I wrote the plugin mentioned by Till. The plugin is an implementation of the Bayeux protocol and currently supports long-polling (local server via AJAX) and callback-polling (remote server via XSS). There is a Bayeux implementation for Python called cometd-twisted that I have heard my plugin works with, but I have not verified this. I have … Read more