#define WILL                    0x000001
#define CLIENT_WILL             0x000002
#define DO                      0x000004
#define CLIENT_DO               0x000008

#define WAITING_WILL_RESPONSE   0x000100
#define WAITING_DO_RESPONSE     0x000200
#define NEEDING_WILL_RESPONSE   0x000400
#define NEEDING_DO_RESPONSE     0x000800

#define ARE_DOING               0x001000
#define ARE_NOT_DOING           0x002000
#define IS_DOING                0x004000
#define IS_NOT_DOING            0x008000