Query in-world object from the web?

If I have an object on my land inworld that's rezzed and running, is it possible to send queries to that object from my website, say via crontab, have it perform an action, and then return the results via xmp-rpc or llhttprequest to the remote server?

I'm well versed in how to use llhttprequest, but havent ever used xml-rpc.

If its a matter of UID of the prim running the script, then that should be easily solved by having a script on the prim update the remote server with its current UID a couple times a minute. The server can then use that data to initiate the xml-rpc request.

It doesn't work quite that way.

You open a remote data channel, that generates a key that you can capture (the scripts for this are in the xml-rpc section on the wiki.

Send that out... use it inbound - there's a lovely php inclusion called xmlrpc.inc or similar that can very quickly give you something that formats to the lsl expectations.

You can reply to some extent with the reply function that's built in.

If it's a cron job though, why do it that way? Put in a timer and llHTTPRequest the data out...

So say, in-world object(OBJ) generates the key for the remote data channel.

OBJ sends that key to the php server, basically telling the php server 'this is where to contact me.' Now, once the php server sends a reply, is that key for the channel destroyed when information is sent to the OBJ? Or, will that key be open for a while even after receipt data has been received?

Does the data have to be run periodically and not on change?
if nothings changed why bother updating?

The key stays open. The only things that seem to kill that are long periods (>24h) of inactivity and full updates.

thanks Eloise. I think that'll solve meh problem.

Also - note that if your object moves, sim crossings tend to kill the channel as well. (There are workarounds for this issue by utilizing the Changed() event).