OK - thanks for the clarification.. We're not JavaScript-folks over here, so maybe some questions sound stupid, but your answers - so far - were brilliant! Thanks again for this!
best andy On 05.03.09 17:28, "thron7" <[email protected]> wrote: > > > Andy Fuchs wrote: >> Imagine my webbrowser contacted a server via Bonjour (ZeroConfig). So I know >> already the IP-Address of the server, but I don't know if port 80 is open. >> (btw. I don't care if a Firewall is running to block Ping, because in that >> case there's a reason for it and the server doesn't want to be my friend >> ;-)). >> >> So I want to distinguish between a state where the server maybe there, but >> HTTP-services are not. >> >> But the *general* question was more towards: >> - Is there a mechanism in Qooxdoo/Javascript that allows 'Ping'? >> > > XHR via qx.io.remote.Request (given that your understanding of "Ping" is > "try a connection and see if it succeeds"). > >> - Is there some class in the Framework already prepared for polling after >> the server, or do I have to write my own class' (I guess the latter ;-)) >> > > The latter :-). > > T. > >> andy >> >> >> >> On 05.03.09 11:16, "Jean-Baptiste BRIAUD -- Novlog" <[email protected]> >> wrote: >> >> >>> but what if firewall is configured to give no answer to ping ? >>> >>> Could you give us more precisions on the context, why you want to do >>> that ? >>> >>> If it is your network, make sure servers all open port 80 for eg and >>> HTTP GET is your friend :-) >>> Beware that will only ensure web server is running. Your web server >>> may be down or crashed while your server is running perfectly fine. >>> >>> >>> On 5 Mar 2009, at 11:06, Andy Fuchs wrote: >>> >>> >>>> I was just wondering if there isn't a built-in 'poll' or 'ping' >>>> mechanism in >>>> Qooxdoo. A search on the Qooxdoo portal resulted in nothing... >>>> >>>> Why? If a server disappears, I just want to 'ping' it to see when >>>> it's back. >>>> I'm not too familiar with these kind of things in Javascript, so any >>>> hint >>>> would be appreciated. >>>> >>>> Do I just use a HTTPGet? And what if port 80 is not open? >>>> >>>> andy >>>> >>>> >>>> >>>> >>>> >>>> >> ----------------------------------------------------------------------------- >> >> >> - >> >>>> Open Source Business Conference (OSBC), March 24-25, 2009, San >>>> Francisco, CA >>>> -OSBC tackles the biggest issue in open source: Open Sourcing the >>>> Enterprise >>>> -Strategies to boost innovation and cut costs with open source >>>> participation >>>> -Receive a $600 discount off the registration fee with the source >>>> code: SFAD >>>> http://p.sf.net/sfu/XcvMzF8H >>>> _______________________________________________ >>>> qooxdoo-devel mailing list >>>> [email protected] >>>> https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel >>>> >>>> >>> ---------------------------------------------------------------------------- >>> -- >>> Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA >>> -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise >>> -Strategies to boost innovation and cut costs with open source participation >>> -Receive a $600 discount off the registration fee with the source code: SFAD >>> http://p.sf.net/sfu/XcvMzF8H >>> _______________________________________________ >>> qooxdoo-devel mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel >>> >>> >> >> >> >> >> ----------------------------------------------------------------------------->> - >> Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA >> -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise >> -Strategies to boost innovation and cut costs with open source participation >> -Receive a $600 discount off the registration fee with the source code: SFAD >> http://p.sf.net/sfu/XcvMzF8H >> _______________________________________________ >> qooxdoo-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel >> >> >> > > ------------------------------------------------------------------------------ > Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA > -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise > -Strategies to boost innovation and cut costs with open source participation > -Receive a $600 discount off the registration fee with the source code: SFAD > http://p.sf.net/sfu/XcvMzF8H > _______________________________________________ > qooxdoo-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel > ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ qooxdoo-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
