any way to detect condition "connected to ISP but not internet"?
josh at dvcreators.net
Thu Feb 12 13:25:43 CST 2009
Thanks for the idea.
I wonder if Mark Waddingham or one of the other wizards at RR could
create a simple function "online()" that would do some clever, simple
network operation and return network status without EVER hanging?
I know it's possible, Apple's network utility does this, for example.
On Feb 11, 2009, at 2:21 PM, Alex Tweedly wrote:
> Josh Mellicker wrote:
>> We were just thinking more on this, and it seems that there are
>> some corporate networks that allow http:// but not other protocols?
>> In other words, people can surf websites but not download?
>> If this is true, rather than using "ping" in the process, we are
>> thinking it might be better to issue an FTP command to test
>> downloading of a small test file. If this fails, we would know that
>> Revolution downloading will not work.
>> Again, if we can solve this, it means a huge breakthrough for
>> Revolution- being able to auto-update, for example, without the
>> risk of hanging.
> As Andre said, ping acts differently on each system - to the extent
> that my system (Windows Vista Home Premium) gives an error ("Bad
> option -c") for your originally suggested command.
> You will probably encounter a similar probelm of ftp not being
> available, or allowing different options, or allowing/not allowing
> the definition of username/password in the command line, or ....
> with this idea.
> I'd get around that by creating a simple, tiny Rev-based standalone
> that does the ftp download of the test file and monitoring its
> progress in the other process; then it sounds like a rock-solid idea.
> -- Alex.
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