Dave Cragg wrote:
On 8 Dec 2005, at 07:20, Thomas McCarthy wrote:
I'm updating a file on the web using a formula like this:
put x into url ftp://name:[EMAIL PROTECTED]/folder/the_file.txt
It's working great. But when I tried it see what would happen if
there was no internet connection--hoping there would be an error
message-- the result was empty. How can we know if a "put" fails?
I see "invalid host address" in the result when I turn off the
internet connection, presumably as a result of a hostNameToAddress
lookup . If I change to a numerical IP address, I see "error can't
connect to host"
This was a quick check on Mac OS X. I'll check on Windows in a short
while.
Yes, but if you turn off the connection, then the computer knows (can
tell directly) that it has no connection - that's the easy case
If you can, also check what happens if you have a *network* connection,
but no internet connection.
e.g. if you're on broadband, disconnect the wire between the router and
the wall socket.
i.e. don't switch off the router, don't disconnect the wire between the
computer and the router, don't do anything directly visible to the
computer - so that the error is that eventually the tcp open attempt
times out. (or maybe there's a dns failure first - does that get back to
libURL or to the calling app ?)
(sorry, I'm not on a suitable broadband connection this week, so I can't
try it myself)
--
Alex Tweedly http://www.tweedly.net
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