homework-jianmu/include/libs/tkv/tkv.h

47 lines
1.4 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_TKV_H_
#define _TD_TKV_H_
#ifdef __cplusplus
extern "C" {
#endif
// Types exported
typedef struct STkvDb STkvDb;
typedef struct STkvOptions STkvOptions;
typedef struct STkvCache STkvCache;
// DB operations
STkvDb *tkvOpen(const STkvOptions *options, const char *path);
void tkvClose(STkvDb *db);
void tkvPut(STkvDb *db, void * /*TODO*/);
// DB options
STkvOptions *tkvOptionsCreate();
void tkvOptionsDestroy(STkvOptions *);
void tkvOptionsSetCache(STkvOptions *, STkvCache *);
// DB cache
typedef enum { TKV_LRU_CACHE = 0, TKV_LFU_CACHE = 1 } ETkvCacheType;
STkvCache *tkvCacheCreate(size_t capacity, ETkvCacheType type);
void tkvCacheDestroy(STkvCache *);
#ifdef __cplusplus
}
#endif
#endif /*_TD_TKV_H_*/