122 lines
3.3 KiB
C
122 lines
3.3 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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/* Exposed Handle */
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typedef struct STFileSystem STFileSystem;
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typedef struct STFSBgTask STFSBgTask;
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// typedef TARRAY2(STFileSet *) TFileSetArray;
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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_BG_TASK_MERGER = 1,
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TSDB_BG_TASK_RETENTION,
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TSDB_BG_TASK_COMPACT,
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} EFSBgTaskT;
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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 tsdbFSDestroyRefSnapshot(TFileSetArray **fsrArr);
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int32_t tsdbFSCreateRefRangedSnapshot(STFileSystem *fs, 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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// background task
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int32_t tsdbFSScheduleBgTask(STFileSystem *fs, EFSBgTaskT type, int32_t (*run)(void *), void (*free)(void *), void *arg,
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int64_t *taskid);
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int32_t tsdbFSWaitBgTask(STFileSystem *fs, int64_t taskid);
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int32_t tsdbFSWaitAllBgTask(STFileSystem *fs);
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int32_t tsdbFSDisableBgTask(STFileSystem *fs);
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int32_t tsdbFSEnableBgTask(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(STFileSystem *fs);
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struct STFSBgTask {
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EFSBgTaskT type;
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int32_t (*run)(void *arg);
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void (*free)(void *arg);
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void *arg;
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TdThreadCond done[1];
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int32_t numWait;
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int64_t taskid;
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int64_t scheduleTime;
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int64_t launchTime;
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int64_t finishTime;
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struct STFSBgTask *prev;
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struct STFSBgTask *next;
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};
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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 state;
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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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TdThreadMutex mutex[1];
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bool stop;
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int64_t taskid;
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int32_t bgTaskNum;
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STFSBgTask bgTaskQueue[1];
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STFSBgTask *bgTaskRunning;
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// block commit variables
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TdThreadMutex commitMutex;
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TdThreadCond canCommit;
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bool blockCommit;
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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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