def on_session_missing
      user.authenticate
      user.fan_of
      user.update(:status => user.status)
      reset_keepalive
    end
def on_session_missing
      user.authenticate
      user.fan_of
      user.update(:status => user.status)
      reset_keepalive
    end
Callback when session authentication is missing from the connection.  This
 will automatically authenticate with configured user as well as set up a
 heartbeat.