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43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
#ifndef BRT_H
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#define BRT_H
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// This must be first to make the 64-bit file mode work right in Linux
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#define _FILE_OFFSET_BITS 64
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#include "brttypes.h"
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#include "ybt.h"
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#include "../include/db.h"
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#include "cachetable.h"
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#include "log.h"
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typedef struct brt *BRT;
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int open_brt (const char *fname, const char *dbname, int is_create, BRT *, int nodesize, CACHETABLE, int(*)(DB*,const DBT*,const DBT*));
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//int brt_create (BRT **, int nodesize, int n_nodes_in_cache); /* the nodesize and n_nodes in cache really should be separately configured. */
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//int brt_open (BRT *, char *fname, char *dbname);
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int brt_insert (BRT, DBT *, DBT *, DB*, TOKUTXN);
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int brt_lookup (BRT brt, DBT *k, DBT *v, DB*db);
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int brt_delete (BRT brt, DBT *k, DB *db);
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int close_brt (BRT);
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int dump_brt (BRT brt);
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void brt_fsync (BRT); /* fsync, but don't clear the caches. */
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void brt_flush (BRT); /* fsync and clear the caches. */
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int brt_create_cachetable (CACHETABLE *t, int n_cachlines /* Pass 0 if you want the default. */);
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/* create and initialize a cache table
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hashsize is the initialize size of the lookup table
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cachesize is the upper limit on the size of the size of the values in the table */
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int brt_create_cachetable_size (CACHETABLE *t, int hashsize, long cachesize);
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extern int brt_debug_mode;
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int verify_brt (BRT brt);
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int show_brt_blocknumbers(BRT);
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typedef struct brt_cursor *BRT_CURSOR;
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int brt_cursor (BRT, BRT_CURSOR*);
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int brt_cursor_get (BRT_CURSOR cursor, DBT *kbt, DBT *vbt, int brtc_flags, DB *db, TOKUTXN);
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int brt_cursor_delete(BRT_CURSOR cursor, int flags);
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int brt_cursor_close (BRT_CURSOR curs);
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#endif
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