#ifndef _HATOKU_DEF
#define _HATOKU_DEF

#include "db.h"
extern "C" {
#include "toku_os.h"
}


extern ulong tokudb_debug;




// QQQ how to tune these?
#define HA_TOKUDB_RANGE_COUNT   100
/* extra rows for estimate_rows_upper_bound() */
#define HA_TOKUDB_EXTRA_ROWS    100

/* Bits for share->status */
#define STATUS_PRIMARY_KEY_INIT 0x1

// tokudb debug tracing
#define TOKUDB_DEBUG_INIT 1
#define TOKUDB_DEBUG_OPEN 2
#define TOKUDB_DEBUG_ENTER 4
#define TOKUDB_DEBUG_RETURN 8
#define TOKUDB_DEBUG_ERROR 16
#define TOKUDB_DEBUG_TXN 32
#define TOKUDB_DEBUG_AUTO_INCREMENT 64

#define TOKUDB_TRACE(f, ...) \
    printf("%d:%s:%d:" f, my_tid(), __FILE__, __LINE__, ##__VA_ARGS__);


inline unsigned int my_tid() {
    return (unsigned int)toku_os_gettid();
}



#define TOKUDB_DBUG_ENTER(f, ...)      \
{ \
    if (tokudb_debug & TOKUDB_DEBUG_ENTER) { \
        TOKUDB_TRACE(f "\n", ##__VA_ARGS__); \
    } \
} \
    DBUG_ENTER(__FUNCTION__);


#define TOKUDB_DBUG_RETURN(r) \
{ \
    int rr = (r); \
    if ((tokudb_debug & TOKUDB_DEBUG_RETURN) || (rr != 0 && (tokudb_debug & TOKUDB_DEBUG_ERROR))) { \
        TOKUDB_TRACE("%s:return %d\n", __FUNCTION__, rr); \
    } \
    DBUG_RETURN(rr); \
}

#define TOKUDB_DBUG_DUMP(s, p, len) \
{ \
    TOKUDB_TRACE("%s:%s", __FUNCTION__, s); \
    uint i;                                                             \
    for (i=0; i<len; i++) {                                             \
        printf("%2.2x", ((uchar*)p)[i]);                                \
    }                                                                   \
    printf("\n");                                                       \
}


typedef enum {
    hatoku_iso_not_set = 0,
    hatoku_iso_read_uncommitted,
    hatoku_iso_serializable
} HA_TOKU_ISO_LEVEL;



typedef struct st_tokudb_trx_data {
    DB_TXN *all;
    DB_TXN *stmt;
    DB_TXN *sp_level;
    uint tokudb_lock_count;
    HA_TOKU_ISO_LEVEL iso_level;
} tokudb_trx_data;



#endif