Getting list of session for different contexts

["Daga, Harshit" <ha...@gatech.edu>]

Hi,

I am trying to do the following. As part of the tomcat startup I have added a listener. This listener starts a thread and that thread will open a socket connection. I am doing so to record the time taken to access and get the information from the tomcat server. If I use Jmx it is taking slightly more time, thus I am experimenting using direct socket connection.

Now I want to get the list of sessions from different contexts. Kindly, let me know how can I get list of sessions for different contexts?
I guess I can get the list of sessions from StandarManager class but how to get the instant of this class for different contexts?


Thanks & Regards,
Harshit Daga

Re: Getting list of session for different contexts

[Christopher Schultz <ch...@christopherschultz.net>]

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Harshit,

On 5/22/17 8:04 PM, Daga, Harshit wrote:
> I am trying to do the following. As part of the tomcat startup I 
> have added a listener. This listener starts a thread and that
> thread will open a socket connection. I am doing so to record the
> time taken to access and get the information from the tomcat
> server. If I use Jmx it is taking slightly more time, thus I am
> experimenting using direct socket connection.

Can you explain this in a little more detail? You want higher
performance, so you are not using HTTP? Or you want higher performance
so you are not using JMX (protocol)?

> Now I want to get the list of sessions from different contexts. 
> Kindly, let me know how can I get list of sessions for different 
> contexts?
> 
> I guess I can get the list of sessions from StandarManager class
> but how to get the instant of this class for different contexts?

You can get it through local JMX if you wish. Fire-up VisualVM, connect
to the instance, and find the name of the SessionManager that you want.
Then, write a small bit of Java code in your TCP connection-handler that
fetches that JMX bean and call the the appropriate method (or fetches
the appropriate property value).

- -chris

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