homework-jianmu/source/dnode/vnode/tsdb/inc/tsdbFile.h

370 lines
11 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/>.
*/
#ifndef _TS_TSDB_FILE_H_
#define _TS_TSDB_FILE_H_
#if 0
#define TSDB_FILE_HEAD_SIZE 512
#define TSDB_FILE_DELIMITER 0xF00AFA0F
#define TSDB_FILE_INIT_MAGIC 0xFFFFFFFF
#define TSDB_IVLD_FID INT_MIN
#define TSDB_FILE_STATE_OK 0
#define TSDB_FILE_STATE_BAD 1
#define TSDB_FILE_INFO(tf) (&((tf)->info))
#define TSDB_FILE_F(tf) (&((tf)->f))
#define TSDB_FILE_FD(tf) ((tf)->fd)
#define TSDB_FILE_FULL_NAME(tf) TFILE_NAME(TSDB_FILE_F(tf))
#define TSDB_FILE_OPENED(tf) (TSDB_FILE_FD(tf) >= 0)
#define TSDB_FILE_CLOSED(tf) (!TSDB_FILE_OPENED(tf))
#define TSDB_FILE_SET_CLOSED(f) (TSDB_FILE_FD(f) = -1)
#define TSDB_FILE_LEVEL(tf) TFILE_LEVEL(TSDB_FILE_F(tf))
#define TSDB_FILE_ID(tf) TFILE_ID(TSDB_FILE_F(tf))
#define TSDB_FILE_FSYNC(tf) taosFsync(TSDB_FILE_FD(tf))
#define TSDB_FILE_STATE(tf) ((tf)->state)
#define TSDB_FILE_SET_STATE(tf, s) ((tf)->state = (s))
#define TSDB_FILE_IS_OK(tf) (TSDB_FILE_STATE(tf) == TSDB_FILE_STATE_OK)
#define TSDB_FILE_IS_BAD(tf) (TSDB_FILE_STATE(tf) == TSDB_FILE_STATE_BAD)
typedef enum { TSDB_FILE_HEAD = 0, TSDB_FILE_DATA, TSDB_FILE_LAST, TSDB_FILE_MAX, TSDB_FILE_META } TSDB_FILE_T;
// =============== SMFile
typedef struct {
int64_t size;
int64_t tombSize;
int64_t nRecords;
int64_t nDels;
uint32_t magic;
} SMFInfo;
typedef struct {
SMFInfo info;
TFILE f;
int fd;
uint8_t state;
} SMFile;
void tsdbInitMFile(SMFile* pMFile, SDiskID did, int vid, uint32_t ver);
void tsdbInitMFileEx(SMFile* pMFile, const SMFile* pOMFile);
int tsdbEncodeSMFile(void** buf, SMFile* pMFile);
void* tsdbDecodeSMFile(void* buf, SMFile* pMFile);
int tsdbEncodeSMFileEx(void** buf, SMFile* pMFile);
void* tsdbDecodeSMFileEx(void* buf, SMFile* pMFile);
int tsdbApplyMFileChange(SMFile* from, SMFile* to);
int tsdbCreateMFile(SMFile* pMFile, bool updateHeader);
int tsdbUpdateMFileHeader(SMFile* pMFile);
int tsdbLoadMFileHeader(SMFile* pMFile, SMFInfo* pInfo);
int tsdbScanAndTryFixMFile(STsdbRepo* pRepo);
int tsdbEncodeMFInfo(void** buf, SMFInfo* pInfo);
void* tsdbDecodeMFInfo(void* buf, SMFInfo* pInfo);
static FORCE_INLINE void tsdbSetMFileInfo(SMFile* pMFile, SMFInfo* pInfo) { pMFile->info = *pInfo; }
static FORCE_INLINE int tsdbOpenMFile(SMFile* pMFile, int flags) {
ASSERT(TSDB_FILE_CLOSED(pMFile));
pMFile->fd = open(TSDB_FILE_FULL_NAME(pMFile), flags);
if (pMFile->fd < 0) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
return 0;
}
static FORCE_INLINE void tsdbCloseMFile(SMFile* pMFile) {
if (TSDB_FILE_OPENED(pMFile)) {
close(pMFile->fd);
TSDB_FILE_SET_CLOSED(pMFile);
}
}
static FORCE_INLINE int64_t tsdbSeekMFile(SMFile* pMFile, int64_t offset, int whence) {
ASSERT(TSDB_FILE_OPENED(pMFile));
int64_t loffset = taosLSeek(TSDB_FILE_FD(pMFile), offset, whence);
if (loffset < 0) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
return loffset;
}
static FORCE_INLINE int64_t tsdbWriteMFile(SMFile* pMFile, void* buf, int64_t nbyte) {
ASSERT(TSDB_FILE_OPENED(pMFile));
int64_t nwrite = taosWrite(pMFile->fd, buf, nbyte);
if (nwrite < nbyte) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
return nwrite;
}
static FORCE_INLINE void tsdbUpdateMFileMagic(SMFile* pMFile, void* pCksum) {
pMFile->info.magic = taosCalcChecksum(pMFile->info.magic, (uint8_t*)(pCksum), sizeof(TSCKSUM));
}
static FORCE_INLINE int tsdbAppendMFile(SMFile* pMFile, void* buf, int64_t nbyte, int64_t* offset) {
ASSERT(TSDB_FILE_OPENED(pMFile));
int64_t toffset;
if ((toffset = tsdbSeekMFile(pMFile, 0, SEEK_END)) < 0) {
return -1;
}
ASSERT(pMFile->info.size == toffset);
if (offset) {
*offset = toffset;
}
if (tsdbWriteMFile(pMFile, buf, nbyte) < 0) {
return -1;
}
pMFile->info.size += nbyte;
return (int)nbyte;
}
static FORCE_INLINE int tsdbRemoveMFile(SMFile* pMFile) { return tfsremove(TSDB_FILE_F(pMFile)); }
static FORCE_INLINE int64_t tsdbReadMFile(SMFile* pMFile, void* buf, int64_t nbyte) {
ASSERT(TSDB_FILE_OPENED(pMFile));
int64_t nread = taosRead(pMFile->fd, buf, nbyte);
if (nread < 0) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
return nread;
}
// =============== SDFile
typedef struct {
uint32_t magic;
uint32_t len;
uint32_t totalBlocks;
uint32_t totalSubBlocks;
uint32_t offset;
uint64_t size;
uint64_t tombSize;
} SDFInfo;
typedef struct {
SDFInfo info;
TFILE f;
int fd;
uint8_t state;
} SDFile;
void tsdbInitDFile(SDFile* pDFile, SDiskID did, int vid, int fid, uint32_t ver, TSDB_FILE_T ftype);
void tsdbInitDFileEx(SDFile* pDFile, SDFile* pODFile);
int tsdbEncodeSDFile(void** buf, SDFile* pDFile);
void* tsdbDecodeSDFile(void* buf, SDFile* pDFile);
int tsdbCreateDFile(SDFile* pDFile, bool updateHeader);
int tsdbUpdateDFileHeader(SDFile* pDFile);
int tsdbLoadDFileHeader(SDFile* pDFile, SDFInfo* pInfo);
int tsdbParseDFilename(const char* fname, int* vid, int* fid, TSDB_FILE_T* ftype, uint32_t* version);
static FORCE_INLINE void tsdbSetDFileInfo(SDFile* pDFile, SDFInfo* pInfo) { pDFile->info = *pInfo; }
static FORCE_INLINE int tsdbOpenDFile(SDFile* pDFile, int flags) {
ASSERT(!TSDB_FILE_OPENED(pDFile));
pDFile->fd = open(TSDB_FILE_FULL_NAME(pDFile), flags);
if (pDFile->fd < 0) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
return 0;
}
static FORCE_INLINE void tsdbCloseDFile(SDFile* pDFile) {
if (TSDB_FILE_OPENED(pDFile)) {
close(pDFile->fd);
TSDB_FILE_SET_CLOSED(pDFile);
}
}
static FORCE_INLINE int64_t tsdbSeekDFile(SDFile* pDFile, int64_t offset, int whence) {
ASSERT(TSDB_FILE_OPENED(pDFile));
int64_t loffset = taosLSeek(TSDB_FILE_FD(pDFile), offset, whence);
if (loffset < 0) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
return loffset;
}
static FORCE_INLINE int64_t tsdbWriteDFile(SDFile* pDFile, void* buf, int64_t nbyte) {
ASSERT(TSDB_FILE_OPENED(pDFile));
int64_t nwrite = taosWrite(pDFile->fd, buf, nbyte);
if (nwrite < nbyte) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
return nwrite;
}
static FORCE_INLINE void tsdbUpdateDFileMagic(SDFile* pDFile, void* pCksm) {
pDFile->info.magic = taosCalcChecksum(pDFile->info.magic, (uint8_t*)(pCksm), sizeof(TSCKSUM));
}
static FORCE_INLINE int tsdbAppendDFile(SDFile* pDFile, void* buf, int64_t nbyte, int64_t* offset) {
ASSERT(TSDB_FILE_OPENED(pDFile));
int64_t toffset;
if ((toffset = tsdbSeekDFile(pDFile, 0, SEEK_END)) < 0) {
return -1;
}
ASSERT(pDFile->info.size == toffset);
if (offset) {
*offset = toffset;
}
if (tsdbWriteDFile(pDFile, buf, nbyte) < 0) {
return -1;
}
pDFile->info.size += nbyte;
return (int)nbyte;
}
static FORCE_INLINE int tsdbRemoveDFile(SDFile* pDFile) { return tfsremove(TSDB_FILE_F(pDFile)); }
static FORCE_INLINE int64_t tsdbReadDFile(SDFile* pDFile, void* buf, int64_t nbyte) {
ASSERT(TSDB_FILE_OPENED(pDFile));
int64_t nread = taosRead(pDFile->fd, buf, nbyte);
if (nread < 0) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
return nread;
}
static FORCE_INLINE int tsdbCopyDFile(SDFile* pSrc, SDFile* pDest) {
if (tfscopy(TSDB_FILE_F(pSrc), TSDB_FILE_F(pDest)) < 0) {
terrno = TAOS_SYSTEM_ERROR(errno);
return -1;
}
tsdbSetDFileInfo(pDest, TSDB_FILE_INFO(pSrc));
return 0;
}
// =============== SDFileSet
typedef struct {
int fid;
int state;
SDFile files[TSDB_FILE_MAX];
} SDFileSet;
#define TSDB_FSET_FID(s) ((s)->fid)
#define TSDB_DFILE_IN_SET(s, t) ((s)->files + (t))
#define TSDB_FSET_LEVEL(s) TSDB_FILE_LEVEL(TSDB_DFILE_IN_SET(s, 0))
#define TSDB_FSET_ID(s) TSDB_FILE_ID(TSDB_DFILE_IN_SET(s, 0))
#define TSDB_FSET_SET_CLOSED(s) \
do { \
for (TSDB_FILE_T ftype = TSDB_FILE_HEAD; ftype < TSDB_FILE_MAX; ftype++) { \
TSDB_FILE_SET_CLOSED(TSDB_DFILE_IN_SET(s, ftype)); \
} \
} while (0);
#define TSDB_FSET_FSYNC(s) \
do { \
for (TSDB_FILE_T ftype = TSDB_FILE_HEAD; ftype < TSDB_FILE_MAX; ftype++) { \
TSDB_FILE_FSYNC(TSDB_DFILE_IN_SET(s, ftype)); \
} \
} while (0);
void tsdbInitDFileSet(SDFileSet* pSet, SDiskID did, int vid, int fid, uint32_t ver);
void tsdbInitDFileSetEx(SDFileSet* pSet, SDFileSet* pOSet);
int tsdbEncodeDFileSet(void** buf, SDFileSet* pSet);
void* tsdbDecodeDFileSet(void* buf, SDFileSet* pSet);
int tsdbEncodeDFileSetEx(void** buf, SDFileSet* pSet);
void* tsdbDecodeDFileSetEx(void* buf, SDFileSet* pSet);
int tsdbApplyDFileSetChange(SDFileSet* from, SDFileSet* to);
int tsdbCreateDFileSet(SDFileSet* pSet, bool updateHeader);
int tsdbUpdateDFileSetHeader(SDFileSet* pSet);
int tsdbScanAndTryFixDFileSet(STsdbRepo *pRepo, SDFileSet* pSet);
static FORCE_INLINE void tsdbCloseDFileSet(SDFileSet* pSet) {
for (TSDB_FILE_T ftype = 0; ftype < TSDB_FILE_MAX; ftype++) {
tsdbCloseDFile(TSDB_DFILE_IN_SET(pSet, ftype));
}
}
static FORCE_INLINE int tsdbOpenDFileSet(SDFileSet* pSet, int flags) {
for (TSDB_FILE_T ftype = 0; ftype < TSDB_FILE_MAX; ftype++) {
if (tsdbOpenDFile(TSDB_DFILE_IN_SET(pSet, ftype), flags) < 0) {
tsdbCloseDFileSet(pSet);
return -1;
}
}
return 0;
}
static FORCE_INLINE void tsdbRemoveDFileSet(SDFileSet* pSet) {
for (TSDB_FILE_T ftype = 0; ftype < TSDB_FILE_MAX; ftype++) {
(void)tsdbRemoveDFile(TSDB_DFILE_IN_SET(pSet, ftype));
}
}
static FORCE_INLINE int tsdbCopyDFileSet(SDFileSet* pSrc, SDFileSet* pDest) {
for (TSDB_FILE_T ftype = 0; ftype < TSDB_FILE_MAX; ftype++) {
if (tsdbCopyDFile(TSDB_DFILE_IN_SET(pSrc, ftype), TSDB_DFILE_IN_SET(pDest, ftype)) < 0) {
tsdbRemoveDFileSet(pDest);
return -1;
}
}
return 0;
}
static FORCE_INLINE void tsdbGetFidKeyRange(int days, int8_t precision, int fid, TSKEY* minKey, TSKEY* maxKey) {
*minKey = fid * days * tsTickPerDay[precision];
*maxKey = *minKey + days * tsTickPerDay[precision] - 1;
}
static FORCE_INLINE bool tsdbFSetIsOk(SDFileSet* pSet) {
for (TSDB_FILE_T ftype = 0; ftype < TSDB_FILE_MAX; ftype++) {
if (TSDB_FILE_IS_BAD(TSDB_DFILE_IN_SET(pSet, ftype))) {
return false;
}
}
return true;
}
#endif
#endif /* _TS_TSDB_FILE_H_ */