----- Original Message -----
Sent: Thursday, March 28, 2002 1:01
PM
Subject: Here you go: Trying to display
users currently on-line
Brian,
I
did something like that for a site, which simply runs of a set session
name (session.username) when the user logs in.
Here's the code:
----------------------------------------------------------------------------------------
<cfparam name="session.username"
default="">
<!---Does the Application.Online variable exist
yet?--->
<cflock name="Tracker" type="ReadOnly"
timeout="5">
<cfif
IsDefined("Application.Online")>
<cfset
CreateStructure=FALSE>
<cfelse>
<cfset CreateStructure=TRUE>
</cfif>
</cflock>
<!---Create Application.Online (once
only)--->
<cfif CreateStructure>
<cflock
name="Tracker" type="Exclusive" timeout="5">
<cfset Application.Online=StructNew()>
</cflock>
</cfif>
<!---Remove "old" users ("TimeOut
Minutes")--->
<!---First build a list of users "older" than
"TimeOut"--->
<cfset TimeOut=20>
<cfset
UserList="">
<cflock name="Tracker" type="ReadOnly"
timeout="10">
<cfloop collection="#Application.Online#"
item="ThisUser">
<cfif
DateDiff("n",Application.Online[ThisUser][1],now()) GTE
TimeOut>
<cfset
UserList=ListAppend(UserList,ThisUser)>
</cfif>
</cfloop>
</cflock>
<!---Then delete "old" users--->
<cfloop
list="#UserList#" index="ThisUser">
<cflock name="Tracker"
type="Exclusive" timeout="5">
<cfset
Temp=StructDelete(Application.Online,ThisUser)>
</cflock>
</cfloop>
----------------------------------------------------------------------------------------
I dropped this
into my fbx_settings file on the root, and waa
la.
You now have a collection to Loop called:
application.online of the users who are logged into your
site.
Hope was of
assistance.
Josh Carrico
Does anyone have any ideas about how to display
the total active users on-line. Can it be done useing the CGLOBAL or the
CDATA table? Or, do I need to set up a db table to track active users.
Any help would be much appreciated.
Thanks
Brian
