59 lines
2.2 KiB
C
59 lines
2.2 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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#ifndef _STREAM_FILE_STATE_H_
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#define _STREAM_FILE_STATE_H_
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#include "os.h"
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#include "tarray.h"
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#include "tdef.h"
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#include "tlist.h"
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#include "storageapi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct SStreamFileState SStreamFileState;
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typedef SList SStreamSnapshot;
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SStreamFileState* streamFileStateInit(int64_t memSize, uint32_t keySize, uint32_t rowSize, uint32_t selectRowSize,
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GetTsFun fp, void* pFile, TSKEY delMark);
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void streamFileStateDestroy(SStreamFileState* pFileState);
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void streamFileStateClear(SStreamFileState* pFileState);
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bool needClearDiskBuff(SStreamFileState* pFileState);
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int32_t getRowBuff(SStreamFileState* pFileState, void* pKey, int32_t keyLen, void** pVal, int32_t* pVLen);
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int32_t deleteRowBuff(SStreamFileState* pFileState, const void* pKey, int32_t keyLen);
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int32_t getRowBuffByPos(SStreamFileState* pFileState, SRowBuffPos* pPos, void** pVal);
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void releaseRowBuffPos(SRowBuffPos* pBuff);
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bool hasRowBuff(SStreamFileState* pFileState, void* pKey, int32_t keyLen);
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SStreamSnapshot* getSnapshot(SStreamFileState* pFileState);
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int32_t flushSnapshot(SStreamFileState* pFileState, SStreamSnapshot* pSnapshot, bool flushState);
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int32_t recoverSnapshot(SStreamFileState* pFileState);
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int32_t getSnapshotIdList(SStreamFileState* pFileState, SArray* list);
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int32_t deleteExpiredCheckPoint(SStreamFileState* pFileState, TSKEY mark);
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int32_t streamFileStateGeSelectRowSize(SStreamFileState* pFileState);
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#ifdef __cplusplus
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}
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#endif
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#endif // _STREAM_FILE_STATE_H_
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