<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">You might also want to take a peek at how Nagios does it's monitoring - I'm sure there are a few good examples in there, if not a whole package you could tweak. <div>I used it a long time back... <a href="http://nagios.org/">http://nagios.org/</a><br><div><br></div><div>Tyler</div><div><br><div><div>On 2011-01-24, at 8:17 AM, Bob Basques wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin-left: 4px; line-height: normal; margin-bottom: 1px; font-variant: normal; margin-right: 4px; margin-top: 4px"><div style="margin-top: 0px; margin-bottom: 0px; ">
<font face="Comic Sans MS" size="3">All,</font> </div>
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<font face="Comic Sans MS" size="3">I'm working on a system/services monitor, and got to wondering about how to best ping a map service without too much overhead. an "I'm Alive" function in the service would be the easiest way to approach it. But that's probably not a viable thing to require. I'm afraid of this getting too complicated when working across services as well, since the possible result types are so varied.</font> </div>
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<font face="Comic Sans MS" size="3">I'm working on a MapServer (with WMS / WFS / KML) service first, but this would likely go to other services as well. We're running GeoMoose, so each layer will be pinged and rated as well.</font> </div>
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<font face="Comic Sans MS" size="3">The Client is simply a self updating HTML page. But I'm wondering about how to set up the actual pinging process, what's the best thing to ask for, that can be readily examined easily in a dynamic fashion, without undue overhead.</font> </div>
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<font face="Comic Sans MS" size="3">Also, if anyone knows of any PERL (or other CGI) type of product for this kind of monitoring I would be interested in taking a look at it.</font> </div>
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<font face="Comic Sans MS" size="3">Thanks</font> </div>
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<font face="Comic Sans MS" size="3">bobb</font> </div>
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