提交 2838ecbf 编写于 作者: H Hongze Cheng

refact TDB

上级 71e04b29
......@@ -9,9 +9,8 @@ target_sources(tdb
"src/db/tdbDb.c"
"src/db/tdbEnv.c"
"src/db/tdbTxn.c"
"src/db/tdbPage.c"
"src/db/tdbOs.c"
"src/page/tdbPage.c"
"src/page/tdbPageL.c"
)
target_include_directories(
......
......@@ -515,4 +515,81 @@ SPageMethods pageMethods = {
setPageCellOffset, // setCellOffset
getPageFreeCellInfo, // getFreeCellInfo
setPageFreeCellInfo // setFreeCellInfo
};
typedef struct __attribute__((__packed__)) {
u8 cellNum[3];
u8 cellBody[3];
u8 cellFree[3];
u8 nFree[3];
} SPageHdrL;
typedef struct __attribute__((__packed__)) {
u8 szCell[3];
u8 nxOffset[3];
} SFreeCellL;
// cellNum
static inline int getLPageCellNum(SPage *pPage) { return TDB_GET_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellNum); }
static inline void setLPageCellNum(SPage *pPage, int cellNum) {
TDB_PUT_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellNum, cellNum);
}
// cellBody
static inline int getLPageCellBody(SPage *pPage) { return TDB_GET_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellBody); }
static inline void setLPageCellBody(SPage *pPage, int cellBody) {
TDB_PUT_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellBody, cellBody);
}
// cellFree
static inline int getLPageCellFree(SPage *pPage) { return TDB_GET_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellFree); }
static inline void setLPageCellFree(SPage *pPage, int cellFree) {
TDB_PUT_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellFree, cellFree);
}
// nFree
static inline int getLPageNFree(SPage *pPage) { return TDB_GET_U24(((SPageHdrL *)(pPage->pPageHdr))[0].nFree); }
static inline void setLPageNFree(SPage *pPage, int nFree) {
TDB_PUT_U24(((SPageHdrL *)(pPage->pPageHdr))[0].nFree, nFree);
}
// cell offset
static inline int getLPageCellOffset(SPage *pPage, int idx) {
ASSERT(idx >= 0 && idx < getPageCellNum(pPage));
return TDB_GET_U24(pPage->pCellIdx + 3 * idx);
}
static inline void setLPageCellOffset(SPage *pPage, int idx, int offset) {
TDB_PUT_U24(pPage->pCellIdx + 3 * idx, offset);
}
// free cell info
static inline void getLPageFreeCellInfo(SCell *pCell, int *szCell, int *nxOffset) {
SFreeCellL *pFreeCell = (SFreeCellL *)pCell;
*szCell = TDB_GET_U24(pFreeCell->szCell);
*nxOffset = TDB_GET_U24(pFreeCell->nxOffset);
}
static inline void setLPageFreeCellInfo(SCell *pCell, int szCell, int nxOffset) {
SFreeCellL *pFreeCell = (SFreeCellL *)pCell;
TDB_PUT_U24(pFreeCell->szCell, szCell);
TDB_PUT_U24(pFreeCell->nxOffset, nxOffset);
}
SPageMethods pageLargeMethods = {
3, // szOffset
sizeof(SPageHdrL), // szPageHdr
sizeof(SFreeCellL), // szFreeCell
getLPageCellNum, // getCellNum
setLPageCellNum, // setCellNum
getLPageCellBody, // getCellBody
setLPageCellBody, // setCellBody
getLPageCellFree, // getCellFree
setLPageCellFree, // setCellFree
getLPageNFree, // getFreeBytes
setLPageNFree, // setFreeBytes
getLPageCellOffset, // getCellOffset
setLPageCellOffset, // setCellOffset
getLPageFreeCellInfo, // getFreeCellInfo
setLPageFreeCellInfo // setFreeCellInfo
};
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/*
* 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 "tdbInt.h"
typedef struct __attribute__((__packed__)) {
u8 cellNum[3];
u8 cellBody[3];
u8 cellFree[3];
u8 nFree[3];
} SPageHdrL;
typedef struct __attribute__((__packed__)) {
u8 szCell[3];
u8 nxOffset[3];
} SFreeCellL;
// cellNum
static inline int getPageCellNum(SPage *pPage) { return TDB_GET_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellNum); }
static inline void setPageCellNum(SPage *pPage, int cellNum) {
TDB_PUT_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellNum, cellNum);
}
// cellBody
static inline int getPageCellBody(SPage *pPage) { return TDB_GET_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellBody); }
static inline void setPageCellBody(SPage *pPage, int cellBody) {
TDB_PUT_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellBody, cellBody);
}
// cellFree
static inline int getPageCellFree(SPage *pPage) { return TDB_GET_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellFree); }
static inline void setPageCellFree(SPage *pPage, int cellFree) {
TDB_PUT_U24(((SPageHdrL *)(pPage->pPageHdr))[0].cellFree, cellFree);
}
// nFree
static inline int getPageNFree(SPage *pPage) { return TDB_GET_U24(((SPageHdrL *)(pPage->pPageHdr))[0].nFree); }
static inline void setPageNFree(SPage *pPage, int nFree) {
TDB_PUT_U24(((SPageHdrL *)(pPage->pPageHdr))[0].nFree, nFree);
}
// cell offset
static inline int getPageCellOffset(SPage *pPage, int idx) {
ASSERT(idx >= 0 && idx < getPageCellNum(pPage));
return TDB_GET_U24(pPage->pCellIdx + 3 * idx);
}
static inline void setPageCellOffset(SPage *pPage, int idx, int offset) {
TDB_PUT_U24(pPage->pCellIdx + 3 * idx, offset);
}
// free cell info
static inline void getPageFreeCellInfo(SCell *pCell, int *szCell, int *nxOffset) {
SFreeCellL *pFreeCell = (SFreeCellL *)pCell;
*szCell = TDB_GET_U24(pFreeCell->szCell);
*nxOffset = TDB_GET_U24(pFreeCell->nxOffset);
}
static inline void setPageFreeCellInfo(SCell *pCell, int szCell, int nxOffset) {
SFreeCellL *pFreeCell = (SFreeCellL *)pCell;
TDB_PUT_U24(pFreeCell->szCell, szCell);
TDB_PUT_U24(pFreeCell->nxOffset, nxOffset);
}
SPageMethods pageLargeMethods = {
3, // szOffset
sizeof(SPageHdrL), // szPageHdr
sizeof(SFreeCellL), // szFreeCell
getPageCellNum, // getCellNum
setPageCellNum, // setCellNum
getPageCellBody, // getCellBody
setPageCellBody, // setCellBody
getPageCellFree, // getCellFree
setPageCellFree, // setCellFree
getPageNFree, // getFreeBytes
setPageNFree, // setFreeBytes
getPageCellOffset, // getCellOffset
setPageCellOffset, // setCellOffset
getPageFreeCellInfo, // getFreeCellInfo
setPageFreeCellInfo // setFreeCellInfo
};
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