mariadb/toku_include/old-db.h

/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
#ident "Copyright (c) 2007-2012 Tokutek Inc.  All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."
#ifndef _YOBI_DB_H
#define _YOBI_DB_H

#include "ydb-constants.h"


#include <sys/types.h>
#include <stdio.h>

typedef enum {
	DB_BTREE=1,
	//	DB_HASH=2,
	//	DB_RECNO=3,
	//	DB_QUEUE=4,
	//	DB_UNKNOWN=5			/* Figure it out on open. */
} DBTYPE;

typedef enum {
	DB_NOTICE_LOGFILE_CHANGED
} db_notices;

enum {
  DB_VERB_CHKPOINT = 0x0001,
  DB_VERB_DEADLOCK = 0x0002,
  DB_VERB_RECOVERY = 0x0004
  
};

typedef struct yobi_db DB;
typedef struct yobi_db_btree_stat DB_BTREE_STAT;
typedef struct yobi_db_env DB_ENV;
typedef struct yobi_db_key_range DB_KEY_RANGE;
typedef struct yobi_db_lsn DB_LSN;
typedef struct yobi_db_txn DB_TXN;
typedef struct yobi_db_txn_active DB_TXN_ACTIVE;
typedef struct yobi_db_txn_stat DB_TXN_STAT;
typedef struct yobi_dbc DBC;
typedef struct yobi_dbt DBT;

struct yobi_db {
  void *app_private;
  int  (*close) (DB *, uint32_t);
  int  (*cursor) (DB *, DB_TXN *, DBC **, uint32_t);
  int  (*del) (DB *, DB_TXN *, DBT *, uint32_t);
  int  (*get) (DB *, DB_TXN *, DBT *, DBT *, uint32_t);
  int  (*key_range) (DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, uint32_t);
  int  (*open) (DB *, DB_TXN *,
		const char *, const char *, DBTYPE, uint32_t, int);
  int  (*put) (DB *, DB_TXN *, DBT *, DBT *, uint32_t);
  int  (*remove) (DB *, const char *, const char *, uint32_t);
  int  (*rename) (DB *, const char *, const char *, const char *, uint32_t);
  int  (*set_bt_compare) (DB *,
			  int (*)(DB *, const DBT *, const DBT *));
  int  (*set_flags)    (DB *, uint32_t);
  int  (*stat) (DB *, void *, uint32_t);

  struct ydb_db_internal *i;
};
enum {
  DB_DBT_MALLOC = 0x002,
  DB_DBT_REALLOC = 0x010,
  DB_DBT_USERMEM = 0x020,
  DB_DBT_DUPOK  = 0x040
};
struct yobi_dbt {
  void	   *app_private;
  void     *data;
  uint32_t flags;
  uint32_t size;
  uint32_t ulen;
};
struct yobi_db_txn {
  int (*commit) (DB_TXN*, uint32_t);
  uint32_t (*id) (DB_TXN *);
  // internal stuff
  struct yobi_db_txn_internal *i;
};
struct yobi_dbc {
  int (*c_get) (DBC *, DBT *, DBT *, uint32_t);
  int (*c_close) (DBC *);
  int (*c_del) (DBC *, uint32_t);
  struct yobi_dbc_internal *i;
};
struct yobi_db_env {
  // Methods used by MYSQL
  void (*err) (const DB_ENV *, int, const char *, ...);
  int  (*open) (DB_ENV *, const char *, uint32_t, int);
  int  (*close) (DB_ENV *, uint32_t);
  int  (*txn_checkpoint) (DB_ENV *, uint32_t, uint32_t, uint32_t);
  int  (*log_flush) (DB_ENV *, const DB_LSN *);
  void (*set_errcall) (DB_ENV *, void (*)(const char *, char *));
  void (*set_errpfx) (DB_ENV *, const char *);
  void (*set_noticecall) (DB_ENV *, void (*)(DB_ENV *, db_notices));
  int  (*set_flags) (DB_ENV *, uint32_t, int);
  int  (*set_data_dir) (DB_ENV *, const char *);
  int  (*set_tmp_dir) (DB_ENV *, const char *);
  int  (*set_verbose) (DB_ENV *, uint32_t, int);
  int  (*set_lg_bsize) (DB_ENV *, uint32_t);
  int  (*set_lg_dir) (DB_ENV *, const char *);
  int  (*set_lg_max) (DB_ENV *, uint32_t);
  int  (*set_cachesize) (DB_ENV *, uint32_t, uint32_t, int);
  int  (*set_lk_detect) (DB_ENV *, uint32_t);
  int  (*set_lk_max) (DB_ENV *, uint32_t);
  int  (*log_archive) (DB_ENV *, char **[], uint32_t);
  int  (*txn_stat) (DB_ENV *, DB_TXN_STAT **, uint32_t);
#ifdef _YDB_WRAP_H
#undef txn_begin
#endif
  int  (*txn_begin) (DB_ENV *, DB_TXN *, DB_TXN **, uint32_t);
#ifdef _YDB_WRAP_H
#define txn_begin txn_begin_ydb
#endif
  // Internal state
  struct db_env_ydb_internal *i;
};
struct yobi_db_key_range {
  double less,equal,greater;
};
struct yobi_db_btree_stat {
  uint32_t bt_ndata;
  uint32_t bt_nkeys;
};
struct yobi_db_txn_stat {
  uint32_t st_nactive;
  DB_TXN_ACTIVE *st_txnarray;
};
struct yobi_db_lsn {
  int hello;
};
struct yobi_db_txn_active {
  DB_LSN	lsn;
  uint32_t	txnid;
};

#ifndef _YDB_WRAP_H
#define DB_VERSION_STRING "Yobiduck: Fractal DB (November 19, 2006)"
#else
#define DB_VERSION_STRING_ydb "Yobiduck: Fractal DB (November 19, 2006) (wrapped bdb)"
#endif

enum {
  DB_ARCH_ABS = 0x001,
  DB_ARCH_LOG = 0x004
};

enum {
  DB_CREATE     = 0x0000001,
  DB_RDONLY     = 0x0000010,
  DB_RECOVER    = 0x0000020,
  DB_THREAD     = 0x0000040, 
  DB_TXN_NOSYNC = 0x0000100,
  
  DB_PRIVATE    = 0x0100000
};

enum {
  DB_LOCK_DEFAULT = 1,
  DB_LOCK_OLDEST  = 7,
  DB_LOCK_RANDOM  = 8 
};

enum {
  DB_DUP = 0x000002
};

enum {
  DB_NOOVERWRITE = 23
};

enum {
  DB_INIT_LOCK  = 0x001000,
  DB_INIT_LOG   = 0x002000,
  DB_INIT_MPOOL = 0x004000,
  DB_INIT_TXN   = 0x008000
};

int db_create (DB **, DB_ENV *, uint32_t);
int db_env_create (DB_ENV **, uint32_t);

int txn_begin (DB_ENV *, DB_TXN *, DB_TXN **, uint32_t);
int txn_commit (DB_TXN *, uint32_t);
int txn_abort (DB_TXN *);

int log_compare (const DB_LSN *, const DB_LSN *);

#endif