question on module user context
mdounin at mdounin.ru
Sat Apr 11 23:43:57 MSD 2009
On Sat, Apr 11, 2009 at 11:33:22PM +0800, Delta Yeh wrote:
> 2009/4/11 Maxim Dounin <mdounin at mdounin.ru>
> > Hello!
> > On Sat, Apr 11, 2009 at 11:04:14PM +0800, Delta Yeh wrote:
> > > Hi ,
> > > If I set a context to a module with ngx_http_set_ctx(r, c, module)
> > > Is this context valid only for current http request?
> > Yes.
> > > Should I set the context for each new http request?
> > No, only for requests where you actually need context.
> So the context is used for the scenario that the handler callback will be
> called multiple times to process the http request ?
Yes, it's used to preserve some request-related state between
invocations of your module code.
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