I have an ASP.NET MVC 2 Beta application where I need to block incoming requests for a specific action until I have some data available to return or just release the request after 30 seconds with no new data available. In order to accomplish this, I'm using AutoResetEvent.WaitOne(30000); The big issue is that IIS does not seem to be ac...
What's the best way to send data from client to server? The example code I'm using is from http://stackoverflow.com/questions/333664/simple-long-polling-example-code ...
I am using the comet long-polling technique with apache, php, jquery. I've got a basic comet update running and it works great. I'm now attempting to build a more complex comet script, and I want a better way to debug. My comet scripts use $.ajax() with a long timeout, and the server side just sleeps until it either runs up to the time...
Helo, I have implemented a chat application using Comet. the request is "hang" on the server until new messages arive. It, then, returns to the client with the new messages, and goes to the server again. My problem is: In order to check for new messages, I poll the database every 600 ms. I perform a simple query "select...from messa...
It is said that IIS is not recommended for Comet programming. If that is true, how is it that other web servers are able to handle this vis a vis IIS. So what is it that other web servers do additionally which allows them to scale out. ...
Let's say I want to use Google GWT on the client side and Google AppEngine Python on the server side. Furthermore, I want to be able to use RPC calls to the server as well as performing COMET based exchanges. What are my options in term of existing frameworks? ...
I'm using Orbited to build a Comet chat system on a PHP-based website. However, currently any user can subscribe or post to any channel. What I'm looking to do is have the browser listen for updates directly from the Orbited server, and have all other actions (subscribe, send) handled by a PHP authentication layer, which communicates wi...
Hi all: We're developing a browser based social game, and it is a MMORPG game. We are using html/javascript/css as the frontend tech(comparing with flash). when the user loads our game for the first time, a bunch of files will be downloaded(external js/css) and several ajax call will be requested. The whole page won't be loaded again un...
I wanted to implement Comet in PHP and came across this page: http://www.zeitoun.net/articles/comet_and_php/start The second method explained in the article works fine for me. In the backend php file, the loop seems to be infinite: // infinite loop until the data file is not modified $lastmodif = isset($_GET['timestamp']) ? $_GET...
Is there a real solution for COMET AND PHP combination? Basically, I've come to a point that I need to update a user home page periodically whenever there is new data in the database. As far as I understand, I need to open a persistent connection between my server and my clients browsers to update the contents of their home page as soon ...
I'm building a PHP web application and I've reached a point that I need to build a Comet server because I need to update my users' whenever a new data is available (pretty much like FB). I've spent so much time searching the web and I've come to a conclusion that the best way to build Comet server is to build it with erlang. Also I've fo...
Suppose there is a webpage with dynamically generated content -- say a div containing the current number of connected browsers. When the count changes on the server I want all connected browsers to reload the count so that everyone sees the increment/decrement. What's the best way to accomplish this? Keywords: ajax, broadcast, browse...
After searching the web for a good Comet and also and asking you guys what my best option is, I've chose to go with Orbited. The problem is if you need a good documentation about Comet you won't find. I've installed Orbited and It seems It works just fine. Basically, I want to constantly check a database and see if there is a new data. ...
I have existing websites with PHP/MySQL framework. They are very busy and chat, events, vs (interval) ajax implementations added to server load as well. Now websites are going bigger so I need to change to long polling/comet but apache is not very well with these and most of the comet servers are done in Java. Like cometd, www.stream-hub...
I've read a little about comet and also APE. Which one is better? I want the users to see other users updated content. Like Google Wave. And in comet, there are 2 versions: iframe vs traditional ajax. what is the difference and which is better. I dont quite understand it. Thanks. ...
I'm writing an application that streams the output (by this I mean both sys.stdout and sys.stderr) of a python script excited on the server, in real time to the browser. The users on the site will be allowed to select the script to run, excite and kill their chosen script, and change some parameters, so I will need a different thread p...
i want to create a web chat/forum application that is google wave alike. when one person is typing a new post or embed an image in it other persons are seeing this live. i have read about different techniques and i feel that long polling and iframe are the most talked about. so, which one should i use for this application and why? i'v...
i havent found any good tutorial with code examples on how to use comet with jquery. found this link: http://www.zeitoun.net/articles/comet_and_php/start but they are using prototype. and i found a comet plugin for jquery on the jquery website but there is no documentation and i cant figure out how to use it. are there any good tutori...
what they do on this demo is exactly what i wanna do. http://www.lightstreamer.com/demo/RoundTripDemo/ i wonder what comet technique they are using. it cant be iframe cause on Firefox i can open two tabs with same link. with iframe u cant do that. and it cant be long polling with ajax cause i didnt see it polled anything with firebug....
im so tired of not finding good tutorials on long polling/streaming comet techniques with jquery. what is wrong with the comet community. a lot of people wanna use this but there are no good tutorials about it. why so slow? ...