On Sat, 11 Nov 2006 11:06:07 -0800, joe kim <[EMAIL PROTECTED]> wrote:
Hi all,
I had a question about implementing hanging-gets. A hanging get is
basically when the server "hangs" onto the http request until either a
certain period of time or until there is an event is triggered. It is
a hack for implementing event driven messaging on top of HTTP.
Alex Russell references it in his blog: http://alex.dojotoolkit.org/?p=545
What's the best way to implement hanging-gets using twisted? I have a
web page that I want to immediately update everytime there is a change
to the data. Making asynchronous javascript requests every second do
not really make sense, but I was thinking that if the javascript
continually made asynchronous requests to the server and the server
implemented hanging-gets, then that would be a good solution.
Any thoughts are appreciated.
See http://divmod.org/trac/wiki/DivmodNevow/Athena
The basic mechanism in twisted.web which this relies on is a renderHTTP
method which returns NOT_DONE_YET and arranges for request.finish() to
be called at some later time.
Jean-Paul
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