Squid 3 and SNMP

[Phibee Network Operation Center <noc@xxxxxxxxxx>]

Hi

I am search a solution fow use snmp with Squid 3.0

I want if it's possible to get :
   Nbr of user connected (i use NTLM)
   Nbr of hit/s
and other with Nagios/Centreon graph

anyone know the process ?

thanks for your help
Jerome