Then, I don't know how your browser and so javascript will be able to do something else than HTTP ... so forget ping I'm afraid. That said, you may try HTTP on other port than 80.
On 5 Mar 2009, at 11:41, 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'? > - 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 ;-)) > > 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
