CA-343229: Add Helper function to fetch list of logged in subjects
CA-343229: Add Helper function to fetch list of logged in subjects

Signed-off-by: Danilo Del Busso <766dc0f994b57f2d2e98930ecfa5ee8fb1091a62@citrix.com>

kc284/xenadmin,kc284/xenadmin,xenserver/xenadmin,xenserver/xenadmin,xenserver/xenadmin,kc284/xenadmin,kc284/xenadmin,kc284/xenadmin