questions about comet

COMET no JS framework links/tutorials?

Hi, Are there any sites that has a tutorial about COMET without the use of any javascript framework? I want to see the core codes of COMET and learn how it works. Thanks in advance Cheers, Mark ...

comet

This app are using long polling ?

Hi at all, I want to know if this web app are using long polling or anything else "javascript trick": http://typewith.me/2wicOjuefI Is there a way to know that ? Thanks ;) ...

javascript

comet

Is "long polling" the most efficient way to create a Web Real Time App ?

I want to create an application like this: http://typewith.me/2wicOjuefI What is the most efficient way to create this real time application ? Flash ? Long polling ? Http Streaming ? or anything else ? Thanks ;) ...

How to implement Comet server side with Python?

I once tried to implement Comet in PHP. Soon, I found that PHP is not suitable for Comet, since each HTTP request will occupy one process/thread. As a result, it doesn't scale well. I just installed mod_python in my XAMPP. I thought it would be easy to implement Comet with Python asynchronous programming. But still cannot get a clue ho...

python

comet

How to create Server-side Progress indicator in JavaScript?

I want to create a section in my site, where a user has a few simple update buttons. Each of these update buttons will be going to the server, and will do a long crunching behind the scene. While the server crunches data, I want the user to have a some kind of progress indicator, like progress bar or textual percentage. I'm using jQue...

.NET Comet engine

is there a .net based comet engine? like Ajax Push Engine that is free and open source? ...

.net

comet

Best approach for a scalable PHP (AJAX based) chat system

Hi, I'm building a chat system for a company and I'm wondering as to what the best way to build the system would be? The current setup we have is a Nginx HTTP Server with PHP and Memcacheq (as a message queue that appends the chat messages to the user's own queue). We then poll the Nginx server (through a Comet style request) and query...

why multipart/x-mixed-replace is needed for Comet?

I'm reading this article about Comet http://en.wikipedia.org/wiki/Comet_(programming). It mentions that browser should support multipart/x-mixed-replace to make XmlHttpRequest Streaming possible. Why this multipart/x-mixed-replace is necessary? Without this header, HTTP response can still be chunked and sent piece by piece to browser, ...

http

xmlhttprequest

comet

How does GMail implement Comet?

With the help of HttpWatch, I tried to figure out how GMail implements Comet. I login in to GMail with two accounts, one in IE and the other in Firefox. Chatting in GTalk in GMail with some magic words like "WASSUP". Then, I logoff both GMail accounts, filter any http content without "WASSUP" string. The result shows which HTTP request ...

gmail

comet

httpwatch

Tell me some Http-streaming tutorial or example.

Could you tell me some http-streaming tutorial or example ( used also by Gmail ) ? I want to create a simple chat for college project. Attention: I am talking about Http-streaming and NOT long-polling. Thanks ;) ...

Comet without AJAX

Suppose I only had the regular J2SE http libraries but wanted to write a client for comet, say in Android etc, but not limited to that, i.e. not using a WebView. Since there's no browser I'm assuming you'd have to open the long term connections yourself ... is this feasible? ...

android

comet

Event triggering in server-side scripts

In SO, when your question got answer. or you got new badge, event is triggered. Or when you got new PM in forum, it also lets you know by alerting message. You see message that something happened with your account when you enter site for first time after this event. How is this implemented? How do scripts know, that they have something...

Running a Comet server implementation on a Hosted website?

Is it possible to use any of the many implementations of comet like streamhub..etc with a hosted web account from providers like GoDaddy i.e. get a domain and web hosting account from them. I want to host a iphone web application on go daddy, but i need to have comet i.e. data/ notifications pushed to my application. Any other alterana...

Jquery and cometd problems with URL and 404 errors

I'm writing jquery client for cometd server (i'm using jquery.cometd.js plugin) and I'm running out of ideas why the simplest possible case doesn't work. The cometd server is behind apache (so it's running on this same domain) and all the requests are forwarded from uri http://wwwhost/cometd. The problem is that when I try to connect (...

Are this chat using "long polling" or "http streaming" ?

Are this chat using "long polling" or "http streaming" ? http://go-mono.com/moonlight/chat.aspx ...

Writing to a comet stream using tomcat 6.0

Hey I'm new to java servlets and I am trying to write one that uses comet so that I can create a long polling Ajax request. I can successfully start the stream and perform operations but I can't write anything out. Here is my code: public class CometTestServlet extends HttpServlet implements CometProcessor { /** * */ ...

java

comet

tomcat6

Using com.sun.net.httpserver.HttpServer for comet/cometd

I would to use com.sun.net.httpserver.HttpServer to do comet/cometd. I am wondering how tough it is to do it so that I can take the waiting connections off the thread and into some waiting queue. Also, am I correct in that it looks like it is using nio? Also, is there any better examples? I always get caught up in the terminology...