Re: [lwip-users] Single connection with "httpd" web server

[Info]

Ok... I see that's not a good idea to limit the number of connections to
one. So I will implement a login/logout/timeout procedure (like you and
Simon) suggested and so I will limit the number of users to only one.

Thank you all very much for your help

Kind regards,
Roland


Am 13.05.2015 um 08:00 schrieb Noam weissman:
> Hi,
>
> You mean one user, not one connection. HTTP creates multiple connections
> to load a page.
>
> I have implemented this by adding a session ID. That means that you need
> to change the web server
> to support that. 
>
> In general you create a login page and after successful login you return
> a session ID to the page. You need code to save this
> Globally and every new request sent to the server you add that session
> ID. The web server will check if the SSID is valid it will
> Reply with the requested data. If not it will force the login page.
>
> This is a brief description.
>
> BR,
> Noam.
>
> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden On Behalf Of Info
> Sent: Tuesday, May 12, 2015 4:23 PM
> To: address@hidden
> Subject: [lwip-users] Single connection with "httpd" web server
>
> Hi all
>
> I'm using the "httpd" (httpd.c) web server from the lwIP contribution
> package on top of the lwIP 1.4.1 . The web server is running well
> without any problems. I activated the LWIP_HTTPD_SUPPORT_11_KEEPALIVE
> macro to keep a connection to web server open. This also works like
> excepted. Now I would like to limit the number of connections to one,
> that means only one user can connect to the web server (and can make
> changes on the configuration of the embedded system). I think it should
> be implemented in the http_accept() in such a way, that any new
> connection is denied if already a connection is open.
> Is this correct or how do I implement such a behaviour ? Any suggestion
> would helpful.
>
> Kind regards,
> Roland
>
>
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