homework-jianmu/source/dnode/vnode/src/inc/metaDef.h

81 lines
2.1 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_META_DEF_H_
#define _TD_META_DEF_H_
#include "tmallocator.h"
#include "vnode.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct SMetaCache SMetaCache;
typedef struct SMetaIdx SMetaIdx;
typedef struct SMetaDB SMetaDB;
// SMetaDB
int metaOpenDB(SMeta* pMeta);
void metaCloseDB(SMeta* pMeta);
int metaSaveTableToDB(SMeta* pMeta, STbCfg* pTbCfg);
int metaRemoveTableFromDb(SMeta* pMeta, tb_uid_t uid);
int metaSaveSmaToDB(SMeta* pMeta, STSma* pTbCfg);
int metaRemoveSmaFromDb(SMeta* pMeta, int64_t indexUid);
// SMetaCache
int metaOpenCache(SMeta* pMeta);
void metaCloseCache(SMeta* pMeta);
// SMetaCfg
extern const SMetaCfg defaultMetaOptions;
// int metaValidateOptions(const SMetaCfg*);
void metaOptionsCopy(SMetaCfg* pDest, const SMetaCfg* pSrc);
// SMetaIdx
int metaOpenIdx(SMeta* pMeta);
void metaCloseIdx(SMeta* pMeta);
int metaSaveTableToIdx(SMeta* pMeta, const STbCfg* pTbOptions);
int metaRemoveTableFromIdx(SMeta* pMeta, tb_uid_t uid);
// STbUidGnrt
typedef struct STbUidGenerator {
tb_uid_t nextUid;
} STbUidGenerator;
// STableUidGenerator
int metaOpenUidGnrt(SMeta* pMeta);
void metaCloseUidGnrt(SMeta* pMeta);
// tb_uid_t
#define IVLD_TB_UID 0
tb_uid_t metaGenerateUid(SMeta* pMeta);
struct SMeta {
char* path;
SMetaCfg options;
SMetaDB* pDB;
SMetaIdx* pIdx;
SMetaCache* pCache;
STbUidGenerator uidGnrt;
SMemAllocatorFactory* pmaf;
};
#ifdef __cplusplus
}
#endif
#endif /*_TD_META_DEF_H_*/