[Dextrose] [Sugar-devel] [DESIGN] Reflect internet connectivity in the 'Network' frame icon

Bernie Innocenti bernie at codewiz.org
Thu Feb 10 22:18:19 EST 2011

On Thu, 2011-02-10 at 19:40 -0500, Samuel Greenfeld wrote:

> What I'd like to avoid with this feature is falsely claiming Sugar is 
> offline, and having some activity (Get Books, etc.), refuse to function 
> because it thinks (incorrectly) it cannot do anything.  We can warn if 
> we want, but we don't want to be persistent about warning if a 
> deployment is screwy to the point users ignore Sugar messages entirely.


> On 02/10/11 18:50, Peter Robinson wrote:
> > A DNS lookup of some centralised host would likely be enough. Some
> > networks don't allow ping so its likely that won't be a good check.
> > Name lookup is a fairly reasonable indication that you have some form
> > of network connectivity.

A DNS lookup isn't sufficient. the DNS server (for example, in the
schoolserver) can return a cached result even if the network is offline.

   // Bernie Innocenti - http://codewiz.org/
 \X/  Sugar Labs       - http://sugarlabs.org/

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