TDengine/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
2022-06-30 07:00:24 +00:00

1611 lines
42 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 "tsdb.h"
#define TSDB_FILE_DLMT ((uint32_t)0xF00AFA0F)
// SDelFWriter ====================================================
int32_t tsdbDelFWriterOpen(SDelFWriter **ppWriter, SDelFile *pFile, STsdb *pTsdb) {
int32_t code = 0;
char fname[TSDB_FILENAME_LEN];
char hdr[TSDB_FHDR_SIZE] = {0};
SDelFWriter *pDelFWriter;
int64_t n;
// alloc
pDelFWriter = (SDelFWriter *)taosMemoryCalloc(1, sizeof(*pDelFWriter));
if (pDelFWriter == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pDelFWriter->pTsdb = pTsdb;
pDelFWriter->fDel = *pFile;
tsdbDelFileName(pTsdb, pFile, fname);
pDelFWriter->pWriteH = taosOpenFile(fname, TD_FILE_WRITE | TD_FILE_CREATE);
if (pDelFWriter->pWriteH == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// update header
n = taosWriteFile(pDelFWriter->pWriteH, &hdr, TSDB_FHDR_SIZE);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
pDelFWriter->fDel.size = TSDB_FHDR_SIZE;
pDelFWriter->fDel.size = 0;
*ppWriter = pDelFWriter;
return code;
_err:
tsdbError("vgId:%d failed to open del file writer since %s", TD_VID(pTsdb->pVnode), tstrerror(code));
*ppWriter = NULL;
return code;
}
int32_t tsdbDelFWriterClose(SDelFWriter *pWriter, int8_t sync) {
int32_t code = 0;
// sync
if (sync && taosFsyncFile(pWriter->pWriteH) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// close
if (taosCloseFile(&pWriter->pWriteH) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
return code;
_err:
tsdbError("vgId:%d failed to close del file writer since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
return code;
}
int32_t tsdbWriteDelData(SDelFWriter *pWriter, SArray *aDelData, uint8_t **ppBuf, SDelIdx *pDelIdx) {
int32_t code = 0;
uint8_t *pBuf = NULL;
int64_t size;
int64_t n;
SBlockDataHdr hdr = {.delimiter = TSDB_FILE_DLMT, .suid = pDelIdx->suid, .uid = pDelIdx->uid};
if (!ppBuf) ppBuf = &pBuf;
// prepare
size = sizeof(hdr);
for (int32_t iDelData = 0; iDelData < taosArrayGetSize(aDelData); iDelData++) {
size += tPutDelData(NULL, taosArrayGet(aDelData, iDelData));
}
size += sizeof(TSCKSUM);
// alloc
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
// build
n = 0;
*(SBlockDataHdr *)(*ppBuf) = hdr;
n += sizeof(hdr);
for (int32_t iDelData = 0; iDelData < taosArrayGetSize(aDelData); iDelData++) {
n += tPutDelData(*ppBuf + n, taosArrayGet(aDelData, iDelData));
}
taosCalcChecksumAppend(0, *ppBuf, size);
ASSERT(n + sizeof(TSCKSUM) == size);
// write
n = taosWriteFile(pWriter->pWriteH, *ppBuf, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
ASSERT(n == size);
// update
pDelIdx->offset = pWriter->fDel.size;
pDelIdx->size = size;
pWriter->fDel.size += size;
tsdbFree(pBuf);
return code;
_err:
tsdbError("vgId:%d failed to write del data since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
tsdbFree(pBuf);
return code;
}
int32_t tsdbWriteDelIdx(SDelFWriter *pWriter, SArray *aDelIdx, uint8_t **ppBuf) {
int32_t code = 0;
int64_t size;
int64_t n;
uint8_t *pBuf = NULL;
SDelIdx *pDelIdx;
if (!ppBuf) ppBuf = &pBuf;
// prepare
size = 0;
size += tPutU32(NULL, TSDB_FILE_DLMT);
for (int32_t iDelIdx = 0; iDelIdx < taosArrayGetSize(aDelIdx); iDelIdx++) {
size += tPutDelIdx(NULL, taosArrayGet(aDelIdx, iDelIdx));
}
size += sizeof(TSCKSUM);
// alloc
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
// build
n = 0;
n += tPutU32(*ppBuf + n, TSDB_FILE_DLMT);
for (int32_t iDelIdx = 0; iDelIdx < taosArrayGetSize(aDelIdx); iDelIdx++) {
n += tPutDelIdx(*ppBuf + n, taosArrayGet(aDelIdx, iDelIdx));
}
taosCalcChecksumAppend(0, *ppBuf, size);
ASSERT(n + sizeof(TSCKSUM) == size);
// write
n = taosWriteFile(pWriter->pWriteH, *ppBuf, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// update
pWriter->fDel.offset = pWriter->fDel.size;
pWriter->fDel.size += size;
tsdbFree(pBuf);
return code;
_err:
tsdbError("vgId:%d write del idx failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
tsdbFree(pBuf);
return code;
}
int32_t tsdbUpdateDelFileHdr(SDelFWriter *pWriter) {
int32_t code = 0;
char hdr[TSDB_FHDR_SIZE];
int64_t size = TSDB_FHDR_SIZE;
int64_t n;
// build
memset(hdr, 0, size);
tPutDelFile(hdr, &pWriter->fDel);
taosCalcChecksumAppend(0, hdr, size);
// seek
if (taosLSeekFile(pWriter->pWriteH, 0, SEEK_SET) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// write
n = taosWriteFile(pWriter->pWriteH, hdr, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
return code;
_err:
tsdbError("vgId:%d update del file hdr failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
return code;
}
// SDelFReader ====================================================
struct SDelFReader {
STsdb *pTsdb;
SDelFile fDel;
TdFilePtr pReadH;
};
int32_t tsdbDelFReaderOpen(SDelFReader **ppReader, SDelFile *pFile, STsdb *pTsdb, uint8_t **ppBuf) {
int32_t code = 0;
char fname[TSDB_FILENAME_LEN];
SDelFReader *pDelFReader;
int64_t n;
// alloc
pDelFReader = (SDelFReader *)taosMemoryCalloc(1, sizeof(*pDelFReader));
if (pDelFReader == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
// open impl
pDelFReader->pTsdb = pTsdb;
pDelFReader->fDel = *pFile;
tsdbDelFileName(pTsdb, pFile, fname);
pDelFReader->pReadH = taosOpenFile(fname, TD_FILE_READ);
if (pDelFReader == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
taosMemoryFree(pDelFReader);
goto _err;
}
#if 0
// load and check hdr if buffer is given
if (ppBuf) {
code = tsdbRealloc(ppBuf, TSDB_FHDR_SIZE);
if (code) {
goto _err;
}
n = taosReadFile(pDelFReader->pReadH, *ppBuf, TSDB_FHDR_SIZE);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
} else if (n < TSDB_FHDR_SIZE) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
if (!taosCheckChecksumWhole(*ppBuf, TSDB_FHDR_SIZE)) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// TODO: check the content
}
#endif
_exit:
*ppReader = pDelFReader;
return code;
_err:
tsdbError("vgId:%d del file reader open failed since %s", TD_VID(pTsdb->pVnode), tstrerror(code));
*ppReader = NULL;
return code;
}
int32_t tsdbDelFReaderClose(SDelFReader *pReader) {
int32_t code = 0;
if (pReader) {
if (taosCloseFile(&pReader->pReadH) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _exit;
}
taosMemoryFree(pReader);
}
_exit:
return code;
}
int32_t tsdbReadDelData(SDelFReader *pReader, SDelIdx *pDelIdx, SArray *aDelData, uint8_t **ppBuf) {
int32_t code = 0;
int64_t offset = pDelIdx->offset;
int64_t size = pDelIdx->size;
int64_t n;
uint8_t *pBuf = NULL;
SBlockDataHdr *pHdr;
SDelData *pDelData = &(SDelData){0};
if (!ppBuf) ppBuf = &pBuf;
// seek
if (taosLSeekFile(pReader->pReadH, offset, SEEK_SET) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// alloc
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
// read
n = taosReadFile(pReader->pReadH, *ppBuf, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
} else if (n < size) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// check
if (!taosCheckChecksumWhole(*ppBuf, size)) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// // decode
n = 0;
pHdr = (SBlockDataHdr *)(*ppBuf + n);
ASSERT(pHdr->delimiter == TSDB_FILE_DLMT);
ASSERT(pHdr->suid == pDelIdx->suid);
ASSERT(pHdr->uid == pDelIdx->uid);
n += sizeof(*pHdr);
while (n < size - sizeof(TSCKSUM)) {
n += tGetDelData(*ppBuf + n, pDelData);
}
ASSERT(n == size - sizeof(TSCKSUM));
tsdbFree(pBuf);
return code;
_err:
tsdbError("vgId:%d read del data failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
tsdbFree(pBuf);
return code;
}
int32_t tsdbReadDelIdx(SDelFReader *pReader, SArray *aDelIdx, uint8_t **ppBuf) {
int32_t code = 0;
int32_t n;
int64_t offset = pReader->fDel.offset;
int64_t size = pReader->fDel.size - offset;
uint32_t delimiter;
uint8_t *pBuf = NULL;
SDelIdx *pDelIdx = &(SDelIdx){};
if (!ppBuf) ppBuf = &pBuf;
// seek
if (taosLSeekFile(pReader->pReadH, offset, SEEK_SET) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// alloc
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
// read
n = taosReadFile(pReader->pReadH, *ppBuf, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
} else if (n < size) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// check
if (!taosCheckChecksumWhole(*ppBuf, size)) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// decode
n = 0;
n += tGetU32(*ppBuf + n, &delimiter);
ASSERT(delimiter == TSDB_FILE_DLMT);
taosArrayClear(aDelIdx);
while (n < size - sizeof(TSCKSUM)) {
n += tGetDelIdx(*ppBuf + n, pDelIdx);
if (taosArrayPush(aDelIdx, pDelIdx) == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
}
ASSERT(n == size - sizeof(TSCKSUM));
return code;
_err:
tsdbError("vgId:%d read del idx failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
return code;
}
// SDataFReader ====================================================
struct SDataFReader {
STsdb *pTsdb;
SDFileSet *pSet;
TdFilePtr pHeadFD;
TdFilePtr pDataFD;
TdFilePtr pLastFD;
TdFilePtr pSmaFD;
};
int32_t tsdbDataFReaderOpen(SDataFReader **ppReader, STsdb *pTsdb, SDFileSet *pSet) {
int32_t code = 0;
SDataFReader *pReader;
char fname[TSDB_FILENAME_LEN];
// alloc
pReader = (SDataFReader *)taosMemoryCalloc(1, sizeof(*pReader));
if (pReader == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pReader->pTsdb = pTsdb;
pReader->pSet = pSet;
// open impl
// head
tsdbDataFileName(pTsdb, pSet, TSDB_HEAD_FILE, fname);
pReader->pHeadFD = taosOpenFile(fname, TD_FILE_READ);
if (pReader->pHeadFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// data
tsdbDataFileName(pTsdb, pSet, TSDB_DATA_FILE, fname);
pReader->pDataFD = taosOpenFile(fname, TD_FILE_READ);
if (pReader->pDataFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// last
tsdbDataFileName(pTsdb, pSet, TSDB_LAST_FILE, fname);
pReader->pLastFD = taosOpenFile(fname, TD_FILE_READ);
if (pReader->pLastFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// sma
tsdbDataFileName(pTsdb, pSet, TSDB_SMA_FILE, fname);
pReader->pSmaFD = taosOpenFile(fname, TD_FILE_READ);
if (pReader->pSmaFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
*ppReader = pReader;
return code;
_err:
tsdbError("vgId:%d tsdb data file reader open failed since %s", TD_VID(pTsdb->pVnode), tstrerror(code));
*ppReader = NULL;
return code;
}
int32_t tsdbDataFReaderClose(SDataFReader **ppReader) {
int32_t code = 0;
if (taosCloseFile(&(*ppReader)->pHeadFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosCloseFile(&(*ppReader)->pDataFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosCloseFile(&(*ppReader)->pLastFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosCloseFile(&(*ppReader)->pSmaFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
taosMemoryFree(*ppReader);
*ppReader = NULL;
return code;
_err:
tsdbError("vgId:%d data file reader close failed since %s", TD_VID((*ppReader)->pTsdb->pVnode), tstrerror(code));
return code;
}
int32_t tsdbReadBlockIdx(SDataFReader *pReader, SArray *aBlockIdx, uint8_t **ppBuf) {
int32_t code = 0;
int64_t offset = pReader->pSet->fHead.offset;
int64_t size = pReader->pSet->fHead.size - offset;
uint8_t *pBuf = NULL;
int64_t n;
uint32_t delimiter;
SBlockIdx blockIdx;
if (!ppBuf) ppBuf = &pBuf;
// alloc
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
// seek
if (taosLSeekFile(pReader->pHeadFD, offset, SEEK_SET) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// read
n = taosReadFile(pReader->pHeadFD, *ppBuf, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
} else if (n < size) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// check
if (!taosCheckChecksumWhole(*ppBuf, size)) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// decode
n = 0;
n = tGetU32(*ppBuf + n, &delimiter);
ASSERT(delimiter == TSDB_FILE_DLMT);
taosArrayClear(aBlockIdx);
while (n < size - sizeof(TSCKSUM)) {
n += tGetBlockIdx(*ppBuf + n, &blockIdx);
if (taosArrayPush(aBlockIdx, &blockIdx) == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
}
ASSERT(n + sizeof(TSCKSUM) == size);
tsdbFree(pBuf);
return code;
_err:
tsdbError("vgId:%d read block idx failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
tsdbFree(pBuf);
return code;
}
int32_t tsdbReadBlock(SDataFReader *pReader, SBlockIdx *pBlockIdx, SMapData *mBlock, uint8_t **ppBuf) {
int32_t code = 0;
int64_t offset = pBlockIdx->offset;
int64_t size = pBlockIdx->size;
int64_t n;
SBlockDataHdr hdr;
// alloc
if (!ppBuf) ppBuf = &mBlock->pBuf;
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
// seek
if (taosLSeekFile(pReader->pHeadFD, offset, SEEK_SET) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// read
n = taosReadFile(pReader->pHeadFD, *ppBuf, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
} else if (n < size) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// check
if (!taosCheckChecksumWhole(*ppBuf, size)) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// decode
hdr = *(SBlockDataHdr *)(*ppBuf);
ASSERT(hdr.delimiter == TSDB_FILE_DLMT);
ASSERT(hdr.suid == pBlockIdx->suid);
ASSERT(hdr.uid == pBlockIdx->uid);
n = sizeof(hdr);
n += tGetMapData(*ppBuf + n, mBlock);
ASSERT(n + sizeof(TSCKSUM) == size);
return code;
_err:
tsdbError("vgId:%d read block failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
return code;
}
static int32_t tsdbRecoverBlockDataKey(SBlockData *pBlockData, SSubBlock *pSubBlock, uint8_t *pBuf, uint8_t **ppBuf) {
int32_t code = 0;
int64_t size = pSubBlock->vsize + pSubBlock->ksize + sizeof(TSCKSUM);
int64_t n;
if (!taosCheckChecksumWhole(pBuf, size)) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
code = tsdbRealloc((uint8_t **)&pBlockData->aVersion, sizeof(int64_t) * pSubBlock->nRow);
if (code) goto _err;
code = tsdbRealloc((uint8_t **)&pBlockData->aTSKEY, sizeof(TSKEY) * pSubBlock->nRow);
if (code) goto _err;
if (pSubBlock->cmprAlg == NO_COMPRESSION) {
ASSERT(pSubBlock->vsize == sizeof(int64_t) * pSubBlock->nRow);
ASSERT(pSubBlock->ksize == sizeof(TSKEY) * pSubBlock->nRow);
// VERSION
memcpy(pBlockData->aVersion, pBuf, pSubBlock->vsize);
// TSKEY
pBuf = pBuf + pSubBlock->vsize;
memcpy(pBlockData->aTSKEY, pBuf + pSubBlock->vsize, pSubBlock->ksize);
} else {
size = sizeof(int64_t) * pSubBlock->nRow + COMP_OVERFLOW_BYTES;
if (pSubBlock->cmprAlg == TWO_STAGE_COMP) {
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
}
// VERSION
n = tsDecompressBigint(pBuf, pSubBlock->vsize, pSubBlock->nRow, (char *)pBlockData->aVersion,
sizeof(int64_t) * pSubBlock->nRow, pSubBlock->cmprAlg, *ppBuf, size);
if (n < 0) {
code = TSDB_CODE_COMPRESS_ERROR;
goto _err;
}
// TSKEY
pBuf = pBuf + pSubBlock->vsize;
n = tsDecompressTimestamp(pBuf, pSubBlock->ksize, pSubBlock->nRow, (char *)pBlockData->aTSKEY,
sizeof(TSKEY) * pSubBlock->nRow, pSubBlock->cmprAlg, *ppBuf, size);
if (n < 0) {
code = TSDB_CODE_COMPRESS_ERROR;
goto _err;
}
}
return code;
_err:
return code;
}
static int32_t tsdbRecoverColData(SBlockData *pBlockData, SSubBlock *pSubBlock, SBlockCol *pBlockCol,
SColData *pColData, uint8_t *pBuf, uint8_t **ppBuf) {
int32_t code = 0;
int64_t size;
int64_t n;
ASSERT(pBlockCol->flag != HAS_NULL);
if (!taosCheckChecksumWhole(pBuf, pBlockCol->bsize + pBlockCol->csize + sizeof(TSCKSUM))) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
pColData->nVal = pSubBlock->nRow;
pColData->flag = pBlockCol->flag;
// bitmap
if (pBlockCol->flag != HAS_VALUE) {
size = BIT2_SIZE(pSubBlock->nRow);
code = tsdbRealloc(&pColData->pBitMap, size);
if (code) goto _err;
ASSERT(pBlockCol->bsize == size);
memcpy(pColData->pBitMap, pBuf, size);
} else {
ASSERT(pBlockCol->bsize == 0);
}
pBuf = pBuf + pBlockCol->bsize;
// value
if (IS_VAR_DATA_TYPE(pBlockCol->type)) {
pColData->nData = pBlockCol->osize;
} else {
pColData->nData = tDataTypes[pBlockCol->type].bytes * pSubBlock->nRow;
}
code = tsdbRealloc(&pColData->pData, pColData->nData);
if (code) goto _err;
if (pSubBlock->cmprAlg == NO_COMPRESSION) {
memcpy(pColData->pData, pBuf, pColData->nData);
} else {
size = pColData->nData + COMP_OVERFLOW_BYTES;
if (pSubBlock->cmprAlg == TWO_STAGE_COMP) {
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
}
n = tDataTypes[pBlockCol->type].decompFunc(pBuf, pBlockCol->csize, pSubBlock->nRow, pColData->pData,
pColData->nData, pSubBlock->cmprAlg, *ppBuf, size);
if (n < 0) {
code = TSDB_CODE_COMPRESS_ERROR;
goto _err;
}
ASSERT(n == pColData->nData);
}
return code;
_err:
return code;
}
static int32_t tsdbReadColDataImpl(SDataFReader *pReader, SBlockIdx *pBlockIdx, SBlock *pBlock, int32_t iSubBlock,
int16_t *aColId, int32_t nCol, SBlockData *pBlockData, uint8_t **ppBuf1,
uint8_t **ppBuf2) {
TdFilePtr pFD = pBlock->last ? pReader->pLastFD : pReader->pDataFD;
SSubBlock *pSubBlock = &pBlock->aSubBlock[iSubBlock];
int32_t code = 0;
int64_t offset;
int64_t size;
int64_t n;
tBlockDataReset(pBlockData);
pBlockData->nRow = pSubBlock->nRow;
// TSDBKEY
offset = pSubBlock->offset + sizeof(SBlockDataHdr);
size = pSubBlock->vsize + pSubBlock->ksize + sizeof(TSCKSUM);
code = tsdbRealloc(ppBuf1, size);
if (code) goto _err;
n = taosLSeekFile(pFD, offset, SEEK_SET);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
n = taosReadFile(pFD, *ppBuf1, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
} else if (n < size) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
code = tsdbRecoverBlockDataKey(pBlockData, pSubBlock, *ppBuf1, ppBuf2);
if (code) goto _err;
// OTHER
SBlockCol blockCol;
SBlockCol *pBlockCol = &blockCol;
SColData *pColData;
for (int32_t iCol = 1; iCol < nCol; iCol++) {
int16_t cid = aColId[iCol];
if (tMapDataSearch(&pSubBlock->mBlockCol, &(SBlockCol){.cid = cid}, tGetBlockCol, tBlockColCmprFn, pBlockCol) ==
0) {
code = tBlockDataAddColData(pBlockData, taosArrayGetSize(pBlockData->aColDataP), &pColData);
if (code) goto _err;
tColDataReset(pColData, pBlockCol->cid, pBlockCol->type);
if (pBlockCol->flag == HAS_NULL) {
for (int32_t iRow = 0; iRow < pSubBlock->nRow; iRow++) {
code = tColDataAppendValue(pColData, &COL_VAL_NULL(pBlockCol->cid, pBlockCol->type));
if (code) goto _err;
}
} else {
offset = pSubBlock->offset + sizeof(SBlockDataHdr) + pSubBlock->vsize + pSubBlock->ksize + sizeof(TSCKSUM) +
pBlockCol->offset;
size = pBlockCol->bsize + pBlockCol->csize + sizeof(TSCKSUM);
code = tsdbRealloc(ppBuf1, size);
if (code) goto _err;
// seek
n = taosLSeekFile(pFD, offset, SEEK_SET);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// read
n = taosReadFile(pFD, *ppBuf1, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
} else if (n < size) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
code = tsdbRecoverColData(pBlockData, pSubBlock, pBlockCol, pColData, *ppBuf1, ppBuf2);
if (code) goto _err;
}
}
}
return code;
_err:
return code;
}
int32_t tsdbReadColData(SDataFReader *pReader, SBlockIdx *pBlockIdx, SBlock *pBlock, int16_t *aColId, int32_t nCol,
SBlockData *pBlockData, uint8_t **ppBuf1, uint8_t **ppBuf2) {
int32_t code = 0;
uint8_t *pBuf1 = NULL;
uint8_t *pBuf2 = NULL;
ASSERT(aColId[0] == PRIMARYKEY_TIMESTAMP_COL_ID);
if (!ppBuf1) ppBuf1 = &pBuf1;
if (!ppBuf2) ppBuf2 = &pBuf2;
code = tsdbReadColDataImpl(pReader, pBlockIdx, pBlock, 0, aColId, nCol, pBlockData, ppBuf1, ppBuf2);
if (code) goto _err;
if (pBlock->nSubBlock > 1) {
SBlockData *pBlockData1 = &(SBlockData){0};
SBlockData *pBlockData2 = &(SBlockData){0};
for (int32_t iSubBlock = 1; iSubBlock < pBlock->nSubBlock; iSubBlock++) {
code = tsdbReadColDataImpl(pReader, pBlockIdx, pBlock, iSubBlock, aColId, nCol, pBlockData1, ppBuf1, ppBuf2);
if (code) goto _err;
code = tBlockDataCopy(pBlockData, pBlockData2);
if (code) {
tBlockDataClear(pBlockData1);
tBlockDataClear(pBlockData2);
goto _err;
}
code = tBlockDataMerge(pBlockData1, pBlockData2, pBlockData);
if (code) {
tBlockDataClear(pBlockData1);
tBlockDataClear(pBlockData2);
goto _err;
}
}
tBlockDataClear(pBlockData1);
tBlockDataClear(pBlockData2);
}
tsdbFree(pBuf1);
tsdbFree(pBuf2);
return code;
_err:
tsdbError("vgId:%d tsdb read col data failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
tsdbFree(pBuf1);
tsdbFree(pBuf2);
return code;
}
static int32_t tsdbReadSubBlockData(SDataFReader *pReader, SBlockIdx *pBlockIdx, SBlock *pBlock, int32_t iSubBlock,
SBlockData *pBlockData, uint8_t **ppBuf1, uint8_t **ppBuf2) {
int32_t code = 0;
uint8_t *p;
int64_t size;
int64_t n;
TdFilePtr pFD = pBlock->last ? pReader->pLastFD : pReader->pDataFD;
SSubBlock *pSubBlock = &pBlock->aSubBlock[iSubBlock];
SBlockCol *pBlockCol = &(SBlockCol){0};
tBlockDataReset(pBlockData);
// realloc
code = tsdbRealloc(ppBuf1, pSubBlock->bsize);
if (code) goto _err;
// seek
n = taosLSeekFile(pFD, pSubBlock->offset, SEEK_SET);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// read
n = taosReadFile(pFD, *ppBuf1, pSubBlock->bsize);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
} else if (n < pSubBlock->bsize) {
code = TSDB_CODE_FILE_CORRUPTED;
goto _err;
}
// recover
pBlockData->nRow = pSubBlock->nRow;
p = *ppBuf1 + sizeof(SBlockDataHdr);
code = tsdbRecoverBlockDataKey(pBlockData, pSubBlock, p, ppBuf2);
if (code) goto _err;
p = p + pSubBlock->vsize + pSubBlock->ksize + sizeof(TSCKSUM);
for (int32_t iBlockCol = 0; iBlockCol < pSubBlock->mBlockCol.nItem; iBlockCol++) {
SColData *pColData;
tMapDataGetItemByIdx(&pSubBlock->mBlockCol, iBlockCol, pBlockCol, tGetBlockCol);
ASSERT(pBlockCol->flag && pBlockCol->flag != HAS_NONE);
code = tBlockDataAddColData(pBlockData, iBlockCol, &pColData);
if (code) goto _err;
tColDataReset(pColData, pBlockCol->cid, pBlockCol->type);
if (pBlockCol->flag == HAS_NULL) {
for (int32_t iRow = 0; iRow < pSubBlock->nRow; iRow++) {
code = tColDataAppendValue(pColData, &COL_VAL_NULL(pBlockCol->cid, pBlockCol->type));
if (code) goto _err;
}
} else {
code = tsdbRecoverColData(pBlockData, pSubBlock, pBlockCol, pColData, p, ppBuf2);
if (code) goto _err;
p = p + pBlockCol->bsize + pBlockCol->csize + sizeof(TSCKSUM);
}
}
return code;
_err:
tsdbError("vgId:%d tsdb read sub block data failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
return code;
}
int32_t tsdbReadBlockData(SDataFReader *pReader, SBlockIdx *pBlockIdx, SBlock *pBlock, SBlockData *pBlockData,
uint8_t **ppBuf1, uint8_t **ppBuf2) {
int32_t code = 0;
TdFilePtr pFD = pBlock->last ? pReader->pLastFD : pReader->pDataFD;
uint8_t *pBuf1 = NULL;
uint8_t *pBuf2 = NULL;
int32_t iSubBlock;
if (!ppBuf1) ppBuf1 = &pBuf1;
if (!ppBuf2) ppBuf2 = &pBuf2;
// read the first sub-block
iSubBlock = 0;
code = tsdbReadSubBlockData(pReader, pBlockIdx, pBlock, iSubBlock, pBlockData, ppBuf1, ppBuf2);
if (code) goto _err;
// read remain block data and do merg
if (pBlock->nSubBlock > 1) {
SBlockData *pBlockData1 = &(SBlockData){0};
SBlockData *pBlockData2 = &(SBlockData){0};
for (iSubBlock = 1; iSubBlock < pBlock->nSubBlock; iSubBlock++) {
code = tsdbReadSubBlockData(pReader, pBlockIdx, pBlock, iSubBlock, pBlockData1, ppBuf1, ppBuf2);
if (code) {
tBlockDataClear(pBlockData1);
tBlockDataClear(pBlockData2);
goto _err;
}
code = tBlockDataCopy(pBlockData, pBlockData2);
if (code) {
tBlockDataClear(pBlockData1);
tBlockDataClear(pBlockData2);
goto _err;
}
// merge two block data
code = tBlockDataMerge(pBlockData1, pBlockData2, pBlockData);
if (code) {
tBlockDataClear(pBlockData1);
tBlockDataClear(pBlockData2);
goto _err;
}
}
tBlockDataClear(pBlockData1);
tBlockDataClear(pBlockData2);
}
ASSERT(pBlock->nRow == pBlockData->nRow);
ASSERT(tsdbKeyCmprFn(&pBlock->minKey, &TSDBROW_KEY(&tBlockDataFirstRow(pBlockData))) == 0);
ASSERT(tsdbKeyCmprFn(&pBlock->maxKey, &TSDBROW_KEY(&tBlockDataLastRow(pBlockData))) == 0);
if (pBuf1) tsdbFree(pBuf1);
if (pBuf2) tsdbFree(pBuf2);
return code;
_err:
tsdbError("vgId:%d tsdb read block data failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
if (pBuf1) tsdbFree(pBuf1);
if (pBuf2) tsdbFree(pBuf2);
return code;
}
int32_t tsdbReadBlockSMA(SDataFReader *pReader, SBlockSMA *pBlkSMA) {
int32_t code = 0;
// TODO
return code;
}
// SDataFWriter ====================================================
struct SDataFWriter {
STsdb *pTsdb;
SDFileSet wSet;
TdFilePtr pHeadFD;
TdFilePtr pDataFD;
TdFilePtr pLastFD;
TdFilePtr pSmaFD;
};
SDFileSet *tsdbDataFWriterGetWSet(SDataFWriter *pWriter) { return &pWriter->wSet; }
int32_t tsdbDataFWriterOpen(SDataFWriter **ppWriter, STsdb *pTsdb, SDFileSet *pSet) {
int32_t code = 0;
int32_t flag;
int64_t n;
SDataFWriter *pWriter = NULL;
char fname[TSDB_FILENAME_LEN];
char hdr[TSDB_FHDR_SIZE] = {0};
// alloc
pWriter = taosMemoryCalloc(1, sizeof(*pWriter));
if (pWriter == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pWriter->pTsdb = pTsdb;
pWriter->wSet = *pSet;
pSet = &pWriter->wSet;
// head
flag = TD_FILE_WRITE | TD_FILE_CREATE | TD_FILE_TRUNC;
tsdbDataFileName(pTsdb, pSet, TSDB_HEAD_FILE, fname);
pWriter->pHeadFD = taosOpenFile(fname, flag);
if (pWriter->pHeadFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
n = taosWriteFile(pWriter->pHeadFD, hdr, TSDB_FHDR_SIZE);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
ASSERT(n == TSDB_FHDR_SIZE);
pSet->fHead.size += TSDB_FHDR_SIZE;
// data
if (pSet->fData.size == 0) {
flag = TD_FILE_WRITE | TD_FILE_CREATE | TD_FILE_TRUNC;
} else {
flag = TD_FILE_WRITE;
}
tsdbDataFileName(pTsdb, pSet, TSDB_DATA_FILE, fname);
pWriter->pDataFD = taosOpenFile(fname, flag);
if (pWriter->pDataFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (pSet->fData.size == 0) {
n = taosWriteFile(pWriter->pDataFD, hdr, TSDB_FHDR_SIZE);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
pSet->fData.size += TSDB_FHDR_SIZE;
} else {
n = taosLSeekFile(pWriter->pDataFD, 0, SEEK_END);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
ASSERT(n == pSet->fData.size);
}
// last
if (pSet->fLast.size == 0) {
flag = TD_FILE_WRITE | TD_FILE_CREATE | TD_FILE_TRUNC;
} else {
flag = TD_FILE_WRITE;
}
tsdbDataFileName(pTsdb, pSet, TSDB_LAST_FILE, fname);
pWriter->pLastFD = taosOpenFile(fname, flag);
if (pWriter->pLastFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (pSet->fLast.size == 0) {
n = taosWriteFile(pWriter->pLastFD, hdr, TSDB_FHDR_SIZE);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
pSet->fLast.size += TSDB_FHDR_SIZE;
} else {
n = taosLSeekFile(pWriter->pLastFD, 0, SEEK_END);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
ASSERT(n == pSet->fLast.size);
}
// sma
if (pSet->fSma.size == 0) {
flag = TD_FILE_WRITE | TD_FILE_CREATE | TD_FILE_TRUNC;
} else {
flag = TD_FILE_WRITE;
}
tsdbDataFileName(pTsdb, pSet, TSDB_SMA_FILE, fname);
pWriter->pSmaFD = taosOpenFile(fname, flag);
if (pWriter->pSmaFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (pSet->fSma.size == 0) {
n = taosWriteFile(pWriter->pSmaFD, hdr, TSDB_FHDR_SIZE);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
pSet->fSma.size += TSDB_FHDR_SIZE;
} else {
n = taosLSeekFile(pWriter->pSmaFD, 0, SEEK_END);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
ASSERT(n == pSet->fSma.size);
}
*ppWriter = pWriter;
return code;
_err:
tsdbError("vgId:%d tsdb data file writer open failed since %s", TD_VID(pTsdb->pVnode), tstrerror(code));
*ppWriter = NULL;
return code;
}
int32_t tsdbDataFWriterClose(SDataFWriter **ppWriter, int8_t sync) {
int32_t code = 0;
STsdb *pTsdb = (*ppWriter)->pTsdb;
if (sync) {
if (taosFsyncFile((*ppWriter)->pHeadFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosFsyncFile((*ppWriter)->pDataFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosFsyncFile((*ppWriter)->pLastFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosFsyncFile((*ppWriter)->pSmaFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
}
if (taosCloseFile(&(*ppWriter)->pHeadFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosCloseFile(&(*ppWriter)->pDataFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosCloseFile(&(*ppWriter)->pLastFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
if (taosCloseFile(&(*ppWriter)->pSmaFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
taosMemoryFree(*ppWriter);
*ppWriter = NULL;
return code;
_err:
tsdbError("vgId:%d data file writer close failed since %s", TD_VID(pTsdb->pVnode), tstrerror(code));
return code;
}
int32_t tsdbUpdateDFileSetHeader(SDataFWriter *pWriter) {
int32_t code = 0;
// head ==============
code = tsdbUpdateDFileHdr(pWriter->pHeadFD, &pWriter->wSet, TSDB_HEAD_FILE);
if (code) goto _err;
// data ==============
code = tsdbUpdateDFileHdr(pWriter->pHeadFD, &pWriter->wSet, TSDB_DATA_FILE);
if (code) goto _err;
// last ==============
code = tsdbUpdateDFileHdr(pWriter->pHeadFD, &pWriter->wSet, TSDB_LAST_FILE);
if (code) goto _err;
// sma ==============
code = tsdbUpdateDFileHdr(pWriter->pHeadFD, &pWriter->wSet, TSDB_SMA_FILE);
if (code) goto _err;
return code;
_err:
tsdbError("vgId:%d update DFileSet header failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
return code;
}
int32_t tsdbWriteBlockIdx(SDataFWriter *pWriter, SArray *aBlockIdx, uint8_t **ppBuf) {
int32_t code = 0;
SHeadFile *pHeadFile = &pWriter->wSet.fHead;
uint8_t *pBuf = NULL;
int64_t size;
int64_t n;
if (!ppBuf) ppBuf = &pBuf;
// prepare
size = tPutU32(NULL, TSDB_FILE_DLMT);
for (int32_t iBlockIdx = 0; iBlockIdx < taosArrayGetSize(aBlockIdx); iBlockIdx++) {
size += tPutBlockIdx(NULL, taosArrayGet(aBlockIdx, iBlockIdx));
}
size += sizeof(TSCKSUM);
// alloc
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
// build
n = 0;
n = tPutU32(*ppBuf + n, TSDB_FILE_DLMT);
for (int32_t iBlockIdx = 0; iBlockIdx < taosArrayGetSize(aBlockIdx); iBlockIdx++) {
n += tPutBlockIdx(*ppBuf + n, taosArrayGet(aBlockIdx, iBlockIdx));
}
taosCalcChecksumAppend(0, *ppBuf, size);
ASSERT(n + sizeof(TSCKSUM) == size);
// write
n = taosWriteFile(pWriter->pHeadFD, *ppBuf, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// update
pHeadFile->offset = pHeadFile->size;
pHeadFile->size += size;
tsdbFree(pBuf);
return code;
_err:
tsdbError("vgId:%d write block idx failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
tsdbFree(pBuf);
return code;
}
int32_t tsdbWriteBlock(SDataFWriter *pWriter, SMapData *mBlock, uint8_t **ppBuf, SBlockIdx *pBlockIdx) {
int32_t code = 0;
SHeadFile *pHeadFile = &pWriter->wSet.fHead;
SBlockDataHdr hdr = {.delimiter = TSDB_FILE_DLMT, .suid = pBlockIdx->suid, .uid = pBlockIdx->uid};
uint8_t *pBuf = NULL;
int64_t size;
int64_t n;
ASSERT(mBlock->nItem > 0);
// prepare
size = sizeof(SBlockDataHdr) + tPutMapData(NULL, mBlock) + sizeof(TSCKSUM);
// alloc
if (!ppBuf) ppBuf = &pBuf;
code = tsdbRealloc(ppBuf, size);
if (code) goto _err;
// build
n = 0;
*(SBlockDataHdr *)(*ppBuf) = hdr;
n += sizeof(hdr);
n += tPutMapData(*ppBuf + n, mBlock);
taosCalcChecksumAppend(0, *ppBuf, size);
ASSERT(n + sizeof(TSCKSUM) == size);
// write
n = taosWriteFile(pWriter->pHeadFD, *ppBuf, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
// update
pBlockIdx->offset = pHeadFile->size;
pBlockIdx->size = size;
pHeadFile->size += size;
tsdbFree(pBuf);
tsdbTrace("vgId:%d write block, offset:%" PRId64 " size:%" PRId64, TD_VID(pWriter->pTsdb->pVnode), pBlockIdx->offset,
pBlockIdx->size);
return code;
_err:
tsdbFree(pBuf);
tsdbError("vgId:%d write block failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
return code;
}
int32_t tsdbWriteBlockData(SDataFWriter *pWriter, SBlockData *pBlockData, uint8_t **ppBuf1, uint8_t **ppBuf2,
SBlockIdx *pBlockIdx, SBlock *pBlock, int8_t cmprAlg) {
int32_t code = 0;
SSubBlock *pSubBlock = &pBlock->aSubBlock[pBlock->nSubBlock++];
SBlockCol *pBlockCol = &(SBlockCol){0};
int64_t size;
int64_t n;
TdFilePtr pFileFD = pBlock->last ? pWriter->pLastFD : pWriter->pDataFD;
SBlockDataHdr hdr = {.delimiter = TSDB_FILE_DLMT, .suid = pBlockIdx->suid, .uid = pBlockIdx->uid};
TSCKSUM cksm;
uint8_t *p;
int64_t offset;
uint8_t *pBuf1 = NULL;
uint8_t *pBuf2 = NULL;
if (!ppBuf1) ppBuf1 = &pBuf1;
if (!ppBuf2) ppBuf2 = &pBuf2;
TSKEY lastKey = TSKEY_MIN;
for (int32_t iRow = 0; iRow < pBlockData->nRow; iRow++) {
TSDBKEY key = TSDBROW_KEY(&tsdbRowFromBlockData(pBlockData, iRow));
if (iRow == 0) {
pBlock->minKey = MIN_TSDBKEY(pBlock->minKey, key);
}
if (iRow == pBlockData->nRow - 1) {
pBlock->maxKey = MAX_TSDBKEY(pBlock->maxKey, key);
}
pBlock->minVersion = TMIN(pBlock->minVersion, key.version);
pBlock->maxVersion = TMAX(pBlock->maxVersion, key.version);
if (key.ts == lastKey) {
pBlock->hasDup = 1;
}
lastKey = key.ts;
}
pBlock->nRow += pBlockData->nRow;
pSubBlock->nRow = pBlockData->nRow;
pSubBlock->cmprAlg = cmprAlg;
if (pBlock->last) {
pSubBlock->offset = pWriter->wSet.fLast.size;
} else {
pSubBlock->offset = pWriter->wSet.fData.size;
}
pSubBlock->bsize = 0;
// HDR
n = taosWriteFile(pFileFD, &hdr, sizeof(hdr));
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
pSubBlock->bsize += n;
// TSDBKEY
if (cmprAlg == NO_COMPRESSION) {
cksm = 0;
// version
pSubBlock->vsize = sizeof(int64_t) * pBlockData->nRow;
n = taosWriteFile(pFileFD, pBlockData->aVersion, pSubBlock->vsize);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
cksm = taosCalcChecksum(cksm, (uint8_t *)pBlockData->aVersion, pSubBlock->vsize);
// TSKEY
pSubBlock->ksize = sizeof(TSKEY) * pBlockData->nRow;
n = taosWriteFile(pFileFD, pBlockData->aTSKEY, pSubBlock->ksize);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
cksm = taosCalcChecksum(cksm, (uint8_t *)pBlockData->aTSKEY, pSubBlock->ksize);
// cksm
size = sizeof(cksm);
n = taosWriteFile(pFileFD, (uint8_t *)&cksm, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
} else {
ASSERT(cmprAlg == ONE_STAGE_COMP || cmprAlg == TWO_STAGE_COMP);
size = (sizeof(int64_t) + sizeof(TSKEY)) * pBlockData->nRow + COMP_OVERFLOW_BYTES * 2 + sizeof(TSCKSUM);
code = tsdbRealloc(ppBuf1, size);
if (code) goto _err;
if (cmprAlg == TWO_STAGE_COMP) {
code = tsdbRealloc(ppBuf2, size);
if (code) goto _err;
}
// version
n = tsCompressBigint((char *)pBlockData->aVersion, sizeof(int64_t) * pBlockData->nRow, pBlockData->nRow, *ppBuf1,
size, cmprAlg, *ppBuf2, size);
if (n <= 0) {
code = TSDB_CODE_COMPRESS_ERROR;
goto _err;
}
pSubBlock->vsize = n;
// TSKEY
n = tsCompressTimestamp((char *)pBlockData->aTSKEY, sizeof(TSKEY) * pBlockData->nRow, pBlockData->nRow,
*ppBuf1 + pSubBlock->vsize, size - pSubBlock->vsize, cmprAlg, *ppBuf2, size);
if (n <= 0) {
code = TSDB_CODE_COMPRESS_ERROR;
goto _err;
}
pSubBlock->ksize = n;
// cksm
n = pSubBlock->vsize + pSubBlock->ksize + sizeof(TSCKSUM);
ASSERT(n <= size);
taosCalcChecksumAppend(0, *ppBuf1, n);
// write
n = taosWriteFile(pFileFD, *ppBuf1, n);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
}
pSubBlock->bsize += (pSubBlock->vsize + pSubBlock->ksize + sizeof(TSCKSUM));
// other columns
offset = 0;
tMapDataReset(&pSubBlock->mBlockCol);
for (int32_t iCol = 0; iCol < taosArrayGetSize(pBlockData->aColDataP); iCol++) {
SColData *pColData = (SColData *)taosArrayGetP(pBlockData->aColDataP, iCol);
ASSERT(pColData->flag);
if (pColData->flag == HAS_NONE) continue;
pBlockCol->cid = pColData->cid;
pBlockCol->type = pColData->type;
pBlockCol->flag = pColData->flag;
if (pColData->flag != HAS_NULL) {
cksm = 0;
pBlockCol->offset = offset;
// bitmap
if (pColData->flag == HAS_VALUE) {
pBlockCol->bsize = 0;
} else {
pBlockCol->bsize = BIT2_SIZE(pBlockData->nRow);
n = taosWriteFile(pFileFD, pColData->pBitMap, pBlockCol->bsize);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
cksm = taosCalcChecksum(cksm, pColData->pBitMap, n);
}
// data
if (cmprAlg == NO_COMPRESSION) {
// data
n = taosWriteFile(pFileFD, pColData->pData, pColData->nData);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
pBlockCol->csize = n;
pBlockCol->osize = n;
// checksum
cksm = taosCalcChecksum(cksm, pColData->pData, pColData->nData);
n = taosWriteFile(pFileFD, &cksm, sizeof(cksm));
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
} else {
size = pColData->nData + COMP_OVERFLOW_BYTES + sizeof(TSCKSUM);
code = tsdbRealloc(ppBuf1, size);
if (code) goto _err;
if (cmprAlg == TWO_STAGE_COMP) {
code = tsdbRealloc(ppBuf2, size);
if (code) goto _err;
}
// data
n = tDataTypes[pColData->type].compFunc(pColData->pData, pColData->nData, pBlockData->nRow, *ppBuf1, size,
cmprAlg, *ppBuf2, size);
if (n <= 0) {
code = TSDB_CODE_COMPRESS_ERROR;
goto _err;
}
pBlockCol->csize = n;
pBlockCol->osize = pColData->nData;
// cksm
n += sizeof(TSCKSUM);
ASSERT(n <= size);
taosCalcChecksumAppend(cksm, *ppBuf1, n);
// write
n = taosWriteFile(pFileFD, *ppBuf1, n);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
goto _err;
}
}
// state
offset = offset + pBlockCol->bsize + pBlockCol->csize + sizeof(TSCKSUM);
pSubBlock->bsize = pSubBlock->bsize + pBlockCol->bsize + pBlockCol->csize + sizeof(TSCKSUM);
}
code = tMapDataPutItem(&pSubBlock->mBlockCol, pBlockCol, tPutBlockCol);
if (code) goto _err;
}
if (pBlock->last) {
pWriter->wSet.fLast.size += pSubBlock->bsize;
} else {
pWriter->wSet.fData.size += pSubBlock->bsize;
}
tsdbFree(pBuf1);
tsdbFree(pBuf2);
return code;
_err:
tsdbError("vgId:%d write block data failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
tsdbFree(pBuf1);
tsdbFree(pBuf2);
return code;
}
int32_t tsdbWriteBlockSMA(SDataFWriter *pWriter, SBlockSMA *pBlockSMA, int64_t *rOffset, int64_t *rSize) {
int32_t code = 0;
// TODO
return code;
}