Hi,
What you can do is use ContextManager.getContexts(),
then for each context you can get its SessionManager.
Costin
On Sat, 8 Sep 2001, chiu ming luk wrote:
> Hi,
> I had asked this question before. But I didn't get any
> reply. So I post this again in hope someone could
> help me getting number of active session currect
> Tomcat holds.
>
> The following code will return number of sessions in a
> Context(web app)
> but not all the sessions in the whole JVM (tomcat
> instance).
>
> For example:
> if I call the class LocalMon in /admintool context:
> /tomcat/webapps/admintool/WEB-INF/classes/LocalMon
> then it will only report # of sessions in /admintool
> web application.
>
> Any way I can get the total number of sessions for all
> web applications
> (context)? -OR-
> How to call LocalMon in /admintool context but reports
> session on other
> context(web app)?
>
> My source file (class) return # of session and a (jsp)
> is also
> attached.
>
> ===================================================
> import java.util.Vector;
> import java.util.Enumeration;
> import java.io.File;
> import java.net.URL;
> import javax.servlet.http.*;
>
> import org.apache.tomcat.core.Request;
> import org.apache.tomcat.core.FacadeManager;
> import org.apache.tomcat.core.Context;
> import org.apache.tomcat.core.ContextManager;
> import org.apache.tomcat.util.RequestUtil;
> import org.apache.tomcat.session.StandardManager;
>
> public class LocalMon
> {
> private ContextManager cm;
> private Request realRequest;
> private StandardManager _sessionMgr;
>
> public void init( HttpServletRequest request ){
> FacadeManager facadeM =
> (FacadeManager)request.getAttribute(
> FacadeManager.FACADE_ATTRIBUTE);
> realRequest = facadeM.getRealRequest(request);
> cm = realRequest.getContext().getContextManager();
> try{
> int manager_note = cm.getNoteId(
> ContextManager.CONTAINER_NOTE,
> "tomcat.standardManager" );
> _sessionMgr =
> (StandardManager)realRequest.getContext().getContainer().getNote(manager_note);
>
> } catch( Exception ignored ){
> }
> }
>
> public boolean initialized(){
> return ( cm != null );
> }
>
> public String getNumSessions(){
> return( String.valueOf(
> _sessionMgr.getSessions().size() ) );
> }
> }
> ==============================================================
>
> thanks a lot
>
> -cm
>
>
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