Good lord Jim, you have saved me TONS of work! Thank you so very much! --- In [email protected], Jim Cheng <[EMAIL PROTECTED]> wrote: > > Matt Maher wrote: > > > I'm writing an on-line/off-line application that will sync your data > > once you return to an on-line status. Instead of calling an http > > service every 15 seconds to test for connection status, is there some > > way I can see deeper into the client's machine to see the status of > > network connection? Or perhaps a lighter "ping" mechanism that doesn't > > actually send anything over the wire to test for connection? > > Right now, you'll probably need to do the regular remote ping, or > alternatively, you could maintain an open socket connection to the > server from your application and send "pings" over that rather than HTTP > as doing so would reduce the amount of network traffic. Doing this > might be a little trickier though, particularly if you don't have much > expertise on non-HTTP technologies on the server-side. > > However, before you get too far ahead of yourself, note that ALL of > these features will be in Adobe's upcoming Apollo platform. Apollo is > geared perfectly for the type of application you're envisioning: an RIA > that can run both in a online mode and offline, with the capability to > synchronize data against a remote server upon reconnection, and the > ability to detect and receive notifications of changes in network > connectivity. > > You can see all of these features in action on Mike Downey's recent demo > of the new eBay Desktop application that we're currently building here > at effectiveUI. Here's a video of the demonstration: > > http://www.demo.com/demonstrators/demo2007/91259.php > > According to Adobe, a public beta of Apollo will be available soon on > the Adobe Labs site, and you can learn more about Apollo and sign up to > be notified when the beta becomes available for public consumption: > > http://labs.adobe.com/wiki/index.php/Apollo > > Jim Cheng > effectiveUI >
