Friday, March 23, 2007

Who is Online

Write Following Code Inside the global.asax

"Server" Scope="application" ID="dOnlineUsers" ProgID="Scripting.Dictionary">

sub Application_OnStart
application("ServerStart") = now
end sub

function Decrypt(sText)
'Replace with your own decrypt ;)
Decrypt = sText
end function

function adZero(sText)
'Adds zeros to the beginning
if isNull(sText) then exit function
adZero = string(5 - len(sText), "0") & sText
end function

Sub Session_OnStart

'Session_OnStart is automatically called by the ASP Interpreter
'when a new session starts. (Probably a new visitor)

'TimeOut value determines the period in minutes when
'the session is assumed to be abandoned

Session.TimeOut = 10

'Get the current active users list
sActiveUsersList = application("ActiveUsersList")

'Get the new user name from the cookie
sNewUserName = Decrypt(request.cookies("devUserName"))

'If the visitor doesn't have a registered username, assign Guest(n) label
if sNewUserName = "" then sNewUserName = "Guest-" & AdZero(CInt(application("Visitors")))

'Initial action time
sLastActionTime = Time

'User info consists of user name, last action time, and the page viewed
sUserInfo = sNewUserName & "<|>" & sLastActionTime & "<|>" & sLastPageViewed

'Add this user to our collection with SessionID being the key
'(See the top of this file to see how dOnlineUsers object is initiated)
dOnlineUsers.Add Session.SessionID, sUserInfo

'Lock the application variable and update the contents
application.lock
'The number of active users
application("ActiveUsers") = application("ActiveUsers") + 1
'The number of visitors since last application reset
application("Visitors") = application("Visitors") + 1

'If the date is different than the previously stored date,
'it means we passed midnight, so reset our "today" counters
if application("TodaysDate") <> Date() then
application("PageViewsToday") = 0
application("VisitorsToday") = 0
end if
application("VisitorsToday") = application("VisitorsToday") + 1
'Store the date
application("TodaysDate") = Date()
'Unlock and go
application.unlock

End Sub

Sub Session_OnEnd
'Session_OnEnd is automatically called by the ASP Interpreter
'when the specified TimeOut period has passed after user's last action

on error resume next

'Remove this session from our collection
dOnlineUsers.Remove Session.SessionID

'And update the application variables
application.lock
application("ActiveUsers") = application("ActiveUsers") - 1
application.unlock

End Sub
</SCRIPT>

following code is used to display the list of the online users


on error resume next
response.write ""2"" cellspacing=""1"" border=""0"" width=""100%"">"
response.write""
aSessions = dOnlineUsers.Keys
for iUser = 0 to dOnlineUsers.Count - 1
sKey = aSessions(iUser)
sUserInfo = dOnlineUsers.Item(sKey)
aUserInfo =split(sUserInfo, "<|>")

sUserName = aUserInfo(0)
sLastActionTime = aUserInfo(1)
sLastPageViewed = aUserInfo(2)

if sUserInfo <>""then
iUsrCount = iUsrCount + 1
response.write""
response.write""
endif

next
response.write"

WhoWhenWhere
"right"">" & iUsrCount & ". " & sUserName & "" & sLastActionTime & " " & sLastPageViewed & "
"

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