src/iodbc/itrace.h

   1 #ifndef _ITRACE_H
   2 # define _ITRACE_H
   3
   4 # ifdef DEBUG
   5 #  ifndef NO_TRACE
   6 #   define NO_TRACE
   7 #  endif
   8 # endif
   9
  10 #define NO_TRACE
  11
  12 # define TRACE_TYPE_APP2DM      1
  13 # define TRACE_TYPE_DM2DRV      2
  14 # define TRACE_TYPE_DRV2DM      3
  15
  16 # define TRACE_TYPE_RETURN      4
  17
  18 extern HPROC    _iodbcdm_gettrproc(void FAR* stm, int procid, int type);
  19
  20 # ifdef NO_TRACE
  21 #  define TRACE_CALL( stm, trace_on, procid, plist )
  22 # else
  23 #  define TRACE_CALL( stm, trace_on, plist )\
  24         {\
  25                 if( trace_on)\
  26                 {\
  27                         HPROC   hproc;\
  28 \
  29                         hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_APP2DM);\
  30 \
  31                         if( hproc )\
  32                                 hproc plist;\
  33                 }\
  34         }
  35 # endif
  36
  37 # ifdef NO_TRACE
  38 #  define TRACE_DM2DRV( stm, procid, plist )
  39 # else
  40 #  define TRACE_DM2DRV( stm, procid, plist )\
  41         {\
  42                 HPROC   hproc;\
  43 \
  44                 hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_DM2DRV);\
  45 \
  46                 if( hproc )\
  47                         hproc plist;\
  48         }
  49 # endif
  50
  51 # ifdef NO_TRACE
  52 #  define TRACE_DRV2DM( stm, procid, plist )
  53 # else
  54 #  define TRACE_DRV2DM( stm, procid, plist ) \
  55         {\
  56                 HPROC   hproc;\
  57 \
  58                 hproc = _iodbcdm_gettrproc( stm, procid, TRACE_TYPE_DRV2DM);\
  59 \
  60                 if( hproc )\
  61                                 hproc plist;\
  62         }
  63 # endif
  64
  65 # ifdef NO_TRACE
  66 #  define TRACE_RETURN( stm, trace_on, ret )
  67 # else
  68 #  define TRACE_RETURN( stm, trace_on, ret )\
  69         {\
  70                 if( trace_on ) {\
  71                         HPROC hproc;\
  72 \
  73                         hproc = _iodbcdm_gettrproc( stm, 0, TRACE_TYPE_RETURN);\
  74 \
  75                         if( hproc )\
  76                                 hproc( stm, ret );\
  77                 }\
  78         }
  79 # endif
  80
  81 # ifdef NO_TRACE
  82 #  define CALL_DRIVER( hdbc, ret, proc, procid, plist ) { ret = proc plist; }
  83 # else
  84 #  define CALL_DRIVER( hdbc, ret, proc, procid, plist )\
  85         {\
  86                 DBC_t FAR*      pdbc = (DBC_t FAR*)(hdbc);\
  87 \
  88                 if( pdbc->trace ) {\
  89                         TRACE_DM2DRV( pdbc->tstm, procid, plist )\
  90                         ret = proc plist;\
  91                         TRACE_DRV2DM( pdbc->tstm, procid, plist )\
  92                         TRACE_RETURN( pdbc->tstm, 1, ret )\
  93                 }\
  94                 else\
  95                         ret = proc plist;\
  96         }
  97 # endif
  98
  99 #endif