On Dec 3, 2009, at 3:04 PM, Brad Perkins wrote:

Brad Perkins wrote:
Will Mayall wrote:

Has anyone used this site monitoring tool?

http://www.dejal.com/simon/


I use Simon. In my experience it is flexible, reliable, and easy to use.

Will Mayall

Thanks for the recommendation(s). I'll check it out.


Sorry to resurrect an old thread. I'm finally getting around to setting
this up.

One of the things that Whistleblower could do was directly monitor a 4D
Server. I'm trying to replicate as many of my Whistleblower tests in
Simon as possible.

Does anyone have any idea what WB was sending over the wire to do its
"4D Server" test. More specifically, has anyone recreated a similar test
with Simon by creating and running a custom script. This will be
monitoring 4D Server running on a separate Windows box if that makes any
difference.

Thanks,

Brad

Hi - I agree with Will - Simon's a great tool. When we were running a v2003 server, it was easy to create a Port 19813 service in Simon that connected to our server and checked for a known string to be returned to validate the connect, but when we moved v04 it broke and it looked non-trivial to fix (admittedly, after only spending maybe half an hour or so with it). Instead, I now just use a HTTP service test to connect to an A4d script that runs the "a4d.debug.dump license info" command, and I check the contents of that for a known string. It's not quite the same thing as checking the 4D server directly, but it was good enough for what we needed. To be a touch more thorough, you could use an A4D script that actually returns query results, but we didn't need to do so. On the few occasions when 4D server goes down, it always takes A4D with it.

     Hope that helps, and Good Luck!
                                                       ---SCJ

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