text: // number accepting threads, 1 is ok
  #define A_TH_N 1
  // number processing threads, = numCPUs
  #define P_TH_N 1
  // fd data cache
  #define FDD_CACHE_RANGE 1024*4
  
  //#define DBG LOG
  #define DBG(...)
  
  // CALLBACK CODE USE
  
  // use on_connect
  #define USE_ON_CONNECT_CB
  
  // use on_data
  //#define USE_ON_DATA_CB
  
  // use on_read
  #define USE_ON_READ_CB
  
  // use on_write
  #define USE_ON_WRITE_CB
  
  // use on_close
  #define USE_ON_CLOSE_CB
  
  // use on_idle
  //#define USE_ON_IDLE_CB
  
  
  