85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tsdbFSet2.h"
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#ifndef _TSDB_FILE_SYSTEM_H
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#define _TSDB_FILE_SYSTEM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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TSDB_FEDIT_COMMIT = 1, //
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TSDB_FEDIT_MERGE
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} EFEditT;
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typedef enum {
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TSDB_FCURRENT = 1,
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TSDB_FCURRENT_C, // for commit
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TSDB_FCURRENT_M, // for merge
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} EFCurrentT;
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/* Exposed APIs */
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// open/close
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int32_t tsdbOpenFS(STsdb *pTsdb, STFileSystem **fs, int8_t rollback);
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int32_t tsdbCloseFS(STFileSystem **fs);
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// snapshot
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int32_t tsdbFSCreateCopySnapshot(STFileSystem *fs, TFileSetArray **fsetArr);
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int32_t tsdbFSDestroyCopySnapshot(TFileSetArray **fsetArr);
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int32_t tsdbFSCreateRefSnapshot(STFileSystem *fs, TFileSetArray **fsetArr);
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int32_t tsdbFSCreateRefSnapshotWithoutLock(STFileSystem *fs, TFileSetArray **fsetArr);
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int32_t tsdbFSDestroyRefSnapshot(TFileSetArray **fsetArr);
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int32_t tsdbFSCreateCopyRangedSnapshot(STFileSystem *fs, TSnapRangeArray *pExclude, TFileSetArray **fsetArr,
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TFileOpArray *fopArr);
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int32_t tsdbFSDestroyCopyRangedSnapshot(TFileSetArray **fsetArr, TFileOpArray *fopArr);
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int32_t tsdbFSCreateRefRangedSnapshot(STFileSystem *fs, int64_t sver, int64_t ever, TSnapRangeArray *pRanges,
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TSnapRangeArray **fsrArr);
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int32_t tsdbFSDestroyRefRangedSnapshot(TSnapRangeArray **fsrArr);
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// txn
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int64_t tsdbFSAllocEid(STFileSystem *fs);
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int32_t tsdbFSEditBegin(STFileSystem *fs, const TFileOpArray *opArray, EFEditT etype);
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int32_t tsdbFSEditCommit(STFileSystem *fs);
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int32_t tsdbFSEditAbort(STFileSystem *fs);
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// other
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int32_t tsdbFSGetFSet(STFileSystem *fs, int32_t fid, STFileSet **fset);
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int32_t tsdbFSCheckCommit(STsdb *tsdb, int32_t fid);
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// utils
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int32_t save_fs(const TFileSetArray *arr, const char *fname);
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int32_t current_fname(STsdb *pTsdb, char *fname, EFCurrentT ftype);
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/* Exposed Structs */
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struct STFileSystem {
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STsdb *tsdb;
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tsem_t canEdit;
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int32_t fsstate;
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int64_t neid;
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EFEditT etype;
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TFileSetArray fSetArr[1];
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TFileSetArray fSetArrTmp[1];
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// background task queue
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bool stop;
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int64_t taskid;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TSDB_FILE_SYSTEM_H*/
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