The practical design patterns for network

The first thing you should master is macro.

Ace define a lot of macro itself including :

ACE_TRACE ACE_DEBUG ACE_ASSERT ACE_TEXT

ACE_Log_Msg is Log class you can use in ACE.
So you should master this class first , if
you do that ,you can debug ACE program
youselft which is really important when
you program

etc.