homework-jianmu/source/dnode/vnode/src/tsdb/tsdbFSet2.h

144 lines
3.8 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 "tsdbFile2.h"
#ifndef _TSDB_FILE_SET2_H
#define _TSDB_FILE_SET2_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct STFileSet STFileSet;
typedef struct STFileOp STFileOp;
typedef struct SSttLvl SSttLvl;
typedef TARRAY2(STFileObj *) TFileObjArray;
typedef TARRAY2(SSttLvl *) TSttLvlArray;
typedef TARRAY2(STFileOp) TFileOpArray;
typedef struct STFileSystem STFileSystem;
typedef struct STFSBgTask STFSBgTask;
typedef enum {
TSDB_FOP_NONE = 0,
TSDB_FOP_CREATE,
TSDB_FOP_REMOVE,
TSDB_FOP_MODIFY,
} tsdb_fop_t;
#define TFILE_SET(fid_) \
(STFileSet) { .fid = (fid_) }
// init/clear
int32_t tsdbTFileSetInit(int32_t fid, STFileSet **fset);
int32_t tsdbTFileSetInitCopy(STsdb *pTsdb, const STFileSet *fset1, STFileSet **fset);
int32_t tsdbTFileSetInitRef(STsdb *pTsdb, const STFileSet *fset1, STFileSet **fset);
int32_t tsdbTFileSetClear(STFileSet **fset);
int32_t tsdbTFileSetRemove(STFileSet *fset);
int32_t tsdbTFileSetFilteredInitDup(STsdb *pTsdb, const STFileSet *fset1, int64_t ever, STFileSet **fset,
TFileOpArray *fopArr);
int32_t tsdbTSnapRangeInitRef(STsdb *pTsdb, const STFileSet *fset1, int64_t sver, int64_t ever, STSnapRange **fsr);
int32_t tsdbTSnapRangeClear(STSnapRange **fsr);
// to/from json
int32_t tsdbTFileSetToJson(const STFileSet *fset, cJSON *json);
int32_t tsdbJsonToTFileSet(STsdb *pTsdb, const cJSON *json, STFileSet **fset);
// cmpr
int32_t tsdbTFileSetCmprFn(const STFileSet **fset1, const STFileSet **fset2);
// edit
int32_t tsdbSttLvlClear(SSttLvl **lvl);
int32_t tsdbTFileSetEdit(STsdb *pTsdb, STFileSet *fset, const STFileOp *op);
int32_t tsdbTFileSetApplyEdit(STsdb *pTsdb, const STFileSet *fset1, STFileSet *fset);
// max commit id
int64_t tsdbTFileSetMaxCid(const STFileSet *fset);
// get
SSttLvl *tsdbTFileSetGetSttLvl(STFileSet *fset, int32_t level);
// is empty
bool tsdbTFileSetIsEmpty(const STFileSet *fset);
// stt
int32_t tsdbSttLvlInit(int32_t level, SSttLvl **lvl);
int32_t tsdbSttLvlClear(SSttLvl **lvl);
typedef enum {
TSDB_BG_TASK_MERGER = 1,
TSDB_BG_TASK_RETENTION,
TSDB_BG_TASK_COMPACT,
} EFSBgTaskT;
struct STFSBgTask {
STFileSystem *fs;
int32_t fid;
EFSBgTaskT type;
int32_t (*run)(void *arg);
void (*destroy)(void *arg);
void *arg;
TdThreadCond done[1];
int32_t numWait;
int64_t taskid;
int64_t scheduleTime;
int64_t launchTime;
int64_t finishTime;
struct STFSBgTask *prev;
struct STFSBgTask *next;
};
struct STFileOp {
tsdb_fop_t optype;
int32_t fid;
STFile of; // old file state
STFile nf; // new file state
};
struct SSttLvl {
int32_t level;
TFileObjArray fobjArr[1];
};
struct STFileSet {
int32_t fid;
int64_t maxVerValid;
STFileObj *farr[TSDB_FTYPE_MAX]; // file array
TSttLvlArray lvlArr[1]; // level array
// background task queue
int32_t bgTaskNum;
STFSBgTask bgTaskQueue[1];
STFSBgTask *bgTaskRunning;
// block commit variables
TdThreadCond canCommit;
int32_t numWaitCommit;
bool blockCommit;
};
struct STSnapRange {
int32_t fid;
int64_t sver;
int64_t ever;
STFileSet *fset;
};
#ifdef __cplusplus
}
#endif
#endif /*_TSDB_FILE_SET2_H*/