homework-jianmu/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h

82 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/>.
*/
#include "tsdbDef.h"
#ifndef _TSDB_FILE_H
#define _TSDB_FILE_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct STFile STFile;
typedef struct STFileObj STFileObj;
typedef enum {
TSDB_FTYPE_HEAD = 0, // .head
TSDB_FTYPE_DATA, // .data
TSDB_FTYPE_SMA, // .sma
TSDB_FTYPE_TOMB, // .tomb
TSDB_FTYPE_STT = TSDB_FTYPE_TOMB + 2, // .stt
} tsdb_ftype_t;
enum {
TSDB_FSTATE_EXIST = 1,
TSDB_FSTATE_REMOVED,
};
#define TSDB_FTYPE_MIN TSDB_FTYPE_HEAD
#define TSDB_FTYPE_MAX (TSDB_FTYPE_TOMB + 1)
// STFile
int32_t tsdbTFileToJson(const STFile *f, cJSON *json);
int32_t tsdbJsonToTFile(const cJSON *json, tsdb_ftype_t ftype, STFile *f);
int32_t tsdbTFileName(STsdb *pTsdb, const STFile *f, char fname[]);
// STFileObj
int32_t tsdbTFileObjInit(STsdb *pTsdb, const STFile *f, STFileObj **fobj);
int32_t tsdbTFileObjRef(STFileObj *fobj);
int32_t tsdbTFileObjUnref(STFileObj *fobj);
int32_t tsdbTFileRemove(STFileObj *fobj);
int32_t tsdbTFileObjCmpr(const STFileObj **fobj1, const STFileObj **fobj2);
struct STFile {
tsdb_ftype_t type;
SDiskID did; // disk id
int32_t fid; // file id
int64_t cid; // commit id
int64_t size;
union {
struct {
int32_t level;
int32_t nseg;
} stt;
};
};
struct STFileObj {
TdThreadMutex mutex;
STFile f;
int32_t state;
int32_t ref;
char fname[TSDB_FILENAME_LEN];
};
#ifdef __cplusplus
}
#endif
#endif /*_TSDB_FILE_H*/