Re: [lwip-users] auto-reload

[David Brown]

You can get some degree of server push if you need it:

<http://en.wikipedia.org/wiki/Comet_%28programming%29>




On 04/10/2011 09:16, Rocco Brandi wrote:
> ok, thanks
>
> Rocco ^_^
>
> On Tue, Oct 4, 2011 at 3:20 AM, Felipe de Andrade Neves
> <address@hidden
> <mailto:address@hidden>> wrote:
>
>     Hello.
>     In the HTTP protocol the webserver has no authorization to perform
>     any action. It does only answer browsers requests. All this super
>     interactive websites works this way, always using GET and/or POST
>     methods. That is why Java script exists, it turns on the possibility
>     to browsers perform advanced actions in order
>     to generally improve user experience.
>
>     If you want a peace of page that auto refreshes, it must be achieved
>     by GET and POST requests through a java script on the command.
>
>     I'd suggest you to read a good HTML+Ajax book.
>
>     Att.
>
>
>     2011/10/3 Rocco Brandi
>     <address@hidden
>     <mailto:address@hidden>>
>
>         I asked because I use lwIP and the httpd-server raw to implement
>         my web server. I thought that maybe someone else has already
>         done what I'm trying to do, that is send, through lwIP, a web
>         page to a browser without an explicit "get" command from the
>         browser itself. the more straight solution would be that the web
>         page asks a refresh every N seconds, like the example in
>         freeRTOS, but I'd like to avoid it and let the web server hanlde it
>
>
>         On Mon, Oct 3, 2011 at 6:49 PM,
>         address@hidden
>         <mailto:address@hidden>
>         <address@hidden
>         <mailto:address@hidden>> wrote:
>
>             In which respect is this question lwIP-related? There's
>             nothing lwIP can do for you here, you'll want to find out
>             more about web programming, I guess...
>
>             Simon
>
>
>             Rocco Brandi wrote:
> >             Hi everyone!
> >
> >             I have a web page that shows the content of some memory
> >             locations that I use as registers. I'd like that when  the
> >             value of some of these registers changes, the web server
> >             will send the updated page and refresh the browser.
> >
> >             how can I do it?
> >
> >             up to now, my web server only responde to "GET" command
> >             from the browser
> >
> >             Thanks, Rocco ^_^