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homework-jianmu/source/dnode/vnode/src/sma/smaFS.c

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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 "sma.h"
// =================================================================================================
// static int32_t tdFetchQTaskInfoFiles(SSma *pSma, int64_t version, SArray **output);
static int32_t tdQTaskInfCmprFn1(const void *p1, const void *p2);
static FORCE_INLINE int32_t tPutQTaskF(uint8_t *p, SQTaskFile *pFile) {
int32_t n = 0;
n += tPutI8(p ? p + n : p, pFile->level);
n += tPutI64v(p ? p + n : p, pFile->size);
n += tPutI64v(p ? p + n : p, pFile->suid);
n += tPutI64v(p ? p + n : p, pFile->version);
n += tPutI64v(p ? p + n : p, pFile->mtime);
return n;
}
static int32_t tdRSmaFSToBinary(uint8_t *p, SRSmaFS *pFS) {
int32_t n = 0;
uint32_t size = taosArrayGetSize(pFS->aQTaskInf);
// version
n += tPutI8(p ? p + n : p, 0);
// SArray<SQTaskFile>
n += tPutU32v(p ? p + n : p, size);
for (uint32_t i = 0; i < size; ++i) {
n += tPutQTaskF(p ? p + n : p, taosArrayGet(pFS->aQTaskInf, i));
}
return n;
}
int32_t tdRSmaGetQTaskF(uint8_t *p, SQTaskFile *pFile) {
int32_t n = 0;
n += tGetI8(p + n, &pFile->level);
n += tGetI64v(p + n, &pFile->size);
n += tGetI64v(p + n, &pFile->suid);
n += tGetI64v(p + n, &pFile->version);
n += tGetI64v(p + n, &pFile->mtime);
return n;
}
static int32_t tsdbBinaryToFS(uint8_t *pData, int64_t nData, SRSmaFS *pFS) {
int32_t code = 0;
int32_t n = 0;
int8_t version = 0;
// version
n += tGetI8(pData + n, &version);
// SArray<SQTaskFile>
taosArrayClear(pFS->aQTaskInf);
uint32_t size = 0;
n += tGetU32v(pData + n, &size);
for (uint32_t i = 0; i < size; ++i) {
SQTaskFile qTaskF = {0};
int32_t nt = tdRSmaGetQTaskF(pData + n, &qTaskF);
if (nt < 0) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
n += nt;
if (taosArrayPush(pFS->aQTaskInf, &qTaskF) == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
}
ASSERT(n + sizeof(TSCKSUM) == nData);
_exit:
return code;
}
static int32_t tdRSmaSaveFSToFile(SRSmaFS *pFS, const char *fname) {
int32_t code = 0;
int32_t lino = 0;
// encode to binary
int32_t size = tdRSmaFSToBinary(NULL, pFS) + sizeof(TSCKSUM);
uint8_t *pData = taosMemoryMalloc(size);
if (pData == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
TSDB_CHECK_CODE(code, lino, _exit);
}
tdRSmaFSToBinary(pData, pFS);
taosCalcChecksumAppend(0, pData, size);
// save to file
TdFilePtr pFD = taosCreateFile(fname, TD_FILE_WRITE | TD_FILE_CREATE | TD_FILE_TRUNC);
if (pFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
TSDB_CHECK_CODE(code, lino, _exit);
}
int64_t n = taosWriteFile(pFD, pData, size);
if (n < 0) {
code = TAOS_SYSTEM_ERROR(errno);
taosCloseFile(&pFD);
TSDB_CHECK_CODE(code, lino, _exit);
}
if (taosFsyncFile(pFD) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
taosCloseFile(&pFD);
TSDB_CHECK_CODE(code, lino, _exit);
}
taosCloseFile(&pFD);
_exit:
if (pData) taosMemoryFree(pData);
if (code) {
smaError("%s failed at line %d since %s, fname:%s", __func__, lino, tstrerror(code), fname);
}
return code;
}
static int32_t tdRSmaFSCreate(SRSmaFS *pFS, int32_t size) {
int32_t code = 0;
pFS->aQTaskInf = taosArrayInit(size, sizeof(SQTaskFile));
if (pFS->aQTaskInf == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
_exit:
return code;
}
static void tdRSmaGetCurrentFName(SSma *pSma, char *current, char *current_t) {
SVnode *pVnode = pSma->pVnode;
if (pVnode->pTfs) {
if (current) {
snprintf(current, TSDB_FILENAME_LEN - 1, "%s%svnode%svnode%d%srsma%sPRESENT", tfsGetPrimaryPath(pVnode->pTfs),
TD_DIRSEP, TD_DIRSEP, TD_VID(pVnode), TD_DIRSEP, TD_DIRSEP);
}
if (current_t) {
snprintf(current_t, TSDB_FILENAME_LEN - 1, "%s%svnode%svnode%d%srsma%sPRESENT.t", tfsGetPrimaryPath(pVnode->pTfs),
TD_DIRSEP, TD_DIRSEP, TD_VID(pVnode), TD_DIRSEP, TD_DIRSEP);
}
} else {
#if 0
if (current) {
snprintf(current, TSDB_FILENAME_LEN - 1, "%s%sPRESENT", pTsdb->path, TD_DIRSEP);
}
if (current_t) {
snprintf(current_t, TSDB_FILENAME_LEN - 1, "%s%sPRESENT.t", pTsdb->path, TD_DIRSEP);
}
#endif
}
}
static int32_t tdRSmaLoadFSFromFile(const char *fname, SRSmaFS *pFS) {
int32_t code = 0;
int32_t lino = 0;
uint8_t *pData = NULL;
// load binary
TdFilePtr pFD = taosOpenFile(fname, TD_FILE_READ);
if (pFD == NULL) {
code = TAOS_SYSTEM_ERROR(errno);
TSDB_CHECK_CODE(code, lino, _exit);
}
int64_t size;
if (taosFStatFile(pFD, &size, NULL) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
taosCloseFile(&pFD);
TSDB_CHECK_CODE(code, lino, _exit);
}
pData = taosMemoryMalloc(size);
if (pData == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
taosCloseFile(&pFD);
TSDB_CHECK_CODE(code, lino, _exit);
}
if (taosReadFile(pFD, pData, size) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
taosCloseFile(&pFD);
TSDB_CHECK_CODE(code, lino, _exit);
}
if (!taosCheckChecksumWhole(pData, size)) {
code = TSDB_CODE_FILE_CORRUPTED;
taosCloseFile(&pFD);
TSDB_CHECK_CODE(code, lino, _exit);
}
taosCloseFile(&pFD);
// decode binary
code = tsdbBinaryToFS(pData, size, pFS);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
if (pData) taosMemoryFree(pData);
if (code) {
smaError("%s failed at line %d since %s, fname:%s", __func__, lino, tstrerror(code), fname);
}
return code;
}
static int32_t tdQTaskInfCmprFn1(const void *p1, const void *p2) {
const SQTaskFile *q1 = (const SQTaskFile *)p1;
const SQTaskFile *q2 = (const SQTaskFile *)p2;
if (q1->suid < q2->suid) {
return -1;
} else if (q1->suid > q2->suid) {
return 1;
}
if (q1->level < q2->level) {
return -1;
} else if (q1->level > q2->level) {
return 1;
}
if (q1->version < q2->version) {
return -2;
} else if (q1->version > q2->version) {
return 1;
}
return 0;
}
static int32_t tdRSmaFSApplyChange(SSma *pSma, SRSmaFS *pFSNew) {
int32_t code = 0;
int32_t lino = 0;
int32_t nRef = 0;
SVnode *pVnode = pSma->pVnode;
SSmaEnv *pEnv = SMA_RSMA_ENV(pSma);
SRSmaStat *pStat = (SRSmaStat *)SMA_ENV_STAT(pEnv);
SRSmaFS *pFSOld = RSMA_FS(pStat);
int64_t version = pStat->commitAppliedVer;
char fname[TSDB_FILENAME_LEN] = {0};
// SQTaskFile
int32_t nNew = taosArrayGetSize(pFSNew->aQTaskInf);
int32_t iNew = 0;
while (iNew < nNew) {
SQTaskFile *pQTaskFNew = TARRAY_GET_ELEM(pFSNew->aQTaskInf, iNew++);
int32_t idx = taosArraySearchIdx(pFSOld->aQTaskInf, pQTaskFNew, tdQTaskInfCmprFn1, TD_GE);
if (idx < 0) {
idx = taosArrayGetSize(pFSOld->aQTaskInf);
pQTaskFNew->nRef = 1;
} else {
SQTaskFile *pTaskF = TARRAY_GET_ELEM(pFSOld->aQTaskInf, idx);
int32_t c1 = tdQTaskInfCmprFn1(pQTaskFNew, pTaskF);
if (c1 == 0) {
// utilize the item in pFSOld->qQTaskInf, instead of pFSNew
continue;
} else if (c1 < 0) {
// NOTHING TODO
} else {
code = TSDB_CODE_RSMA_FS_UPDATE;
TSDB_CHECK_CODE(code, lino, _exit);
}
}
if (taosArrayInsert(pFSOld->aQTaskInf, idx, pQTaskFNew) == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
TSDB_CHECK_CODE(code, lino, _exit);
}
// remove previous version
while (--idx >= 0) {
SQTaskFile *preTaskF = TARRAY_GET_ELEM(pFSOld->aQTaskInf, idx);
int32_t c2 = tdQTaskInfCmprFn1(preTaskF, pQTaskFNew);
if (c2 == 0) {
code = TSDB_CODE_RSMA_FS_UPDATE;
TSDB_CHECK_CODE(code, lino, _exit);
} else if (c2 != -2) {
break;
}
nRef = atomic_sub_fetch_32(&preTaskF->nRef, 1);
if (nRef <= 0) {
tdRSmaQTaskInfoGetFullName(TD_VID(pVnode), preTaskF->suid, preTaskF->level, preTaskF->version,
tfsGetPrimaryPath(pVnode->pTfs), fname);
(void)taosRemoveFile(fname);
taosArrayRemove(pFSOld->aQTaskInf, idx);
}
}
}
_exit:
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", TD_VID(pVnode), __func__, lino, tstrerror(code));
}
return code;
}
/**
* @brief Fetch qtaskfiles LE than version
*
* @param pSma
* @param version
* @param output
* @return int32_t
*/
#if 0
static int32_t tdFetchQTaskInfoFiles(SSma *pSma, int64_t version, SArray **output) {
SVnode *pVnode = pSma->pVnode;
TdDirPtr pDir = NULL;
TdDirEntryPtr pDirEntry = NULL;
char dir[TSDB_FILENAME_LEN];
const char *pattern = "v[0-9]+qinf\\.v([0-9]+)?$";
regex_t regex;
int code = 0;
terrno = TSDB_CODE_SUCCESS;
tdRSmaGetDirName(TD_VID(pVnode), tfsGetPrimaryPath(pVnode->pTfs), VNODE_RSMA_DIR, true, dir);
if (!taosCheckExistFile(dir)) {
smaDebug("vgId:%d, fetch qtask files, no need as dir %s not exist", TD_VID(pVnode), dir);
return TSDB_CODE_SUCCESS;
}
// Resource allocation and init
if ((code = regcomp(&regex, pattern, REG_EXTENDED)) != 0) {
terrno = TSDB_CODE_RSMA_REGEX_MATCH;
char errbuf[128];
regerror(code, &regex, errbuf, sizeof(errbuf));
smaWarn("vgId:%d, fetch qtask files, regcomp for %s failed since %s", TD_VID(pVnode), dir, errbuf);
return TSDB_CODE_FAILED;
}
if (!(pDir = taosOpenDir(dir))) {
regfree(&regex);
terrno = TAOS_SYSTEM_ERROR(errno);
smaError("vgId:%d, fetch qtask files, open dir %s failed since %s", TD_VID(pVnode), dir, terrstr());
return TSDB_CODE_FAILED;
}
int32_t dirLen = strlen(dir);
char *dirEnd = POINTER_SHIFT(dir, dirLen);
regmatch_t regMatch[2];
while ((pDirEntry = taosReadDir(pDir))) {
char *entryName = taosGetDirEntryName(pDirEntry);
if (!entryName) {
continue;
}
code = regexec(&regex, entryName, 2, regMatch, 0);
if (code == 0) {
// match
smaInfo("vgId:%d, fetch qtask files, max ver:%" PRIi64 ", %s found", TD_VID(pVnode), version, entryName);
int64_t ver = -1;
sscanf((const char *)POINTER_SHIFT(entryName, regMatch[1].rm_so), "%" PRIi64, &ver);
if ((ver <= version) && (ver > -1)) {
if (!(*output)) {
if (!(*output = taosArrayInit(1, POINTER_BYTES))) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _end;
}
}
char *entryDup = strdup(entryName);
if (!entryDup) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _end;
}
if (!taosArrayPush(*output, &entryDup)) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _end;
}
} else {
}
} else if (code == REG_NOMATCH) {
// not match
smaTrace("vgId:%d, fetch qtask files, not match %s", TD_VID(pVnode), entryName);
continue;
} else {
// has other error
char errbuf[128];
regerror(code, &regex, errbuf, sizeof(errbuf));
smaWarn("vgId:%d, fetch qtask files, regexec failed since %s", TD_VID(pVnode), errbuf);
terrno = TSDB_CODE_RSMA_REGEX_MATCH;
goto _end;
}
}
_end:
taosCloseDir(&pDir);
regfree(&regex);
return terrno == 0 ? TSDB_CODE_SUCCESS : TSDB_CODE_FAILED;
}
#endif
static int32_t tdRSmaFSScanAndTryFix(SSma *pSma) {
int32_t code = 0;
int32_t lino = 0;
SVnode *pVnode = pSma->pVnode;
SSmaEnv *pEnv = SMA_RSMA_ENV(pSma);
SRSmaStat *pStat = (SRSmaStat *)SMA_ENV_STAT(pEnv);
SRSmaFS *pFS = RSMA_FS(pStat);
char fname[TSDB_FILENAME_LEN] = {0};
char fnameVer[TSDB_FILENAME_LEN] = {0};
// SArray<SQTaskFile>
int32_t size = taosArrayGetSize(pFS->aQTaskInf);
for (int32_t i = 0; i < size; ++i) {
SQTaskFile *pTaskF = (SQTaskFile *)taosArrayGet(pFS->aQTaskInf, i);
// main.tdb =========
tdRSmaQTaskInfoGetFullName(TD_VID(pVnode), pTaskF->suid, pTaskF->level, pTaskF->version,
tfsGetPrimaryPath(pVnode->pTfs), fnameVer);
tdRSmaQTaskInfoGetFullName(TD_VID(pVnode), pTaskF->suid, pTaskF->level, -1, tfsGetPrimaryPath(pVnode->pTfs), fname);
if (taosCheckExistFile(fnameVer)) {
if (taosRenameFile(fnameVer, fname) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
TSDB_CHECK_CODE(code, lino, _exit);
}
smaDebug("vgId:%d, %s:%d succeed to to rename %s to %s", TD_VID(pVnode), __func__, lino, fnameVer, fname);
} else if (taosCheckExistFile(fname)) {
if (taosRemoveFile(fname) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
TSDB_CHECK_CODE(code, lino, _exit);
}
smaDebug("vgId:%d, %s:%d succeed to to remove %s", TD_VID(pVnode), __func__, lino, fname);
}
}
{
// remove those invalid files (todo)
// main.tdb-journal.5 // TDB should handle its clear for kill -9
}
_exit:
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", TD_VID(pVnode), __func__, lino, tstrerror(code));
}
return code;
}
// EXPOSED APIS ====================================================================================
int32_t tdRSmaFSOpen(SSma *pSma, int64_t version, int8_t rollback) {
int32_t code = 0;
int32_t lino = 0;
SVnode *pVnode = pSma->pVnode;
SSmaEnv *pEnv = SMA_RSMA_ENV(pSma);
SRSmaStat *pStat = (SRSmaStat *)SMA_ENV_STAT(pEnv);
// open handle
code = tdRSmaFSCreate(RSMA_FS(pStat), 0);
TSDB_CHECK_CODE(code, lino, _exit);
// open impl
char current[TSDB_FILENAME_LEN] = {0};
char current_t[TSDB_FILENAME_LEN] = {0};
tdRSmaGetCurrentFName(pSma, current, current_t);
if (taosCheckExistFile(current)) {
code = tdRSmaLoadFSFromFile(current, RSMA_FS(pStat));
TSDB_CHECK_CODE(code, lino, _exit);
if (taosCheckExistFile(current_t)) {
if (rollback) {
code = tdRSmaFSRollback(pSma);
TSDB_CHECK_CODE(code, lino, _exit);
} else {
code = tdRSmaFSCommit(pSma);
TSDB_CHECK_CODE(code, lino, _exit);
}
}
} else {
// 1st open with empty current/qTaskInfoFile
code = tdRSmaSaveFSToFile(RSMA_FS(pStat), current);
TSDB_CHECK_CODE(code, lino, _exit);
ASSERT(!rollback);
}
// scan and try fix(remove main.db/main.db.xxx and use the one with version)
code = tdRSmaFSScanAndTryFix(pSma);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", TD_VID(pVnode), __func__, lino, tstrerror(code));
}
return code;
}
void tdRSmaFSClose(SRSmaFS *pFS) { taosArrayDestroy(pFS->aQTaskInf); }
int32_t tdRSmaFSPrepareCommit(SSma *pSma, SRSmaFS *pFSNew) {
int32_t code = 0;
int32_t lino = 0;
char tfname[TSDB_FILENAME_LEN];
tdRSmaGetCurrentFName(pSma, NULL, tfname);
// generate PRESENT.t
code = tdRSmaSaveFSToFile(pFSNew, tfname);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", TD_VID(pSma->pVnode), __func__, lino, tstrerror(code));
}
return code;
}
int32_t tdRSmaFSCommit(SSma *pSma) {
int32_t code = 0;
int32_t lino = 0;
SRSmaFS fs = {0};
char current[TSDB_FILENAME_LEN] = {0};
char current_t[TSDB_FILENAME_LEN] = {0};
tdRSmaGetCurrentFName(pSma, current, current_t);
if (!taosCheckExistFile(current_t)) {
goto _exit;
}
// rename the file
if (taosRenameFile(current_t, current) < 0) {
code = TAOS_SYSTEM_ERROR(errno);
TSDB_CHECK_CODE(code, lino, _exit);
}
// load the new FS
code = tdRSmaFSCreate(&fs, 1);
TSDB_CHECK_CODE(code, lino, _exit);
code = tdRSmaLoadFSFromFile(current, &fs);
TSDB_CHECK_CODE(code, lino, _exit);
// apply file change
code = tdRSmaFSApplyChange(pSma, &fs);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
tdRSmaFSClose(&fs);
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", SMA_VID(pSma), __func__, lino, tstrerror(code));
}
return code;
}
int32_t tdRSmaFSFinishCommit(SSma *pSma) {
int32_t code = 0;
int32_t lino = 0;
SSmaEnv *pSmaEnv = SMA_RSMA_ENV(pSma);
SRSmaStat *pStat = (SRSmaStat *)SMA_ENV_STAT(pSmaEnv);
taosWLockLatch(RSMA_FS_LOCK(pStat));
code = tdRSmaFSCommit(pSma);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
taosWUnLockLatch(RSMA_FS_LOCK(pStat));
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", SMA_VID(pSma), __func__, lino, tstrerror(code));
} else {
smaInfo("vgId:%d, rsmaFS finish commit", SMA_VID(pSma));
}
return code;
}
int32_t tdRSmaFSRollback(SSma *pSma) {
int32_t code = 0;
int32_t lino = 0;
char current_t[TSDB_FILENAME_LEN] = {0};
tdRSmaGetCurrentFName(pSma, NULL, current_t);
(void)taosRemoveFile(current_t);
_exit:
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", SMA_VID(pSma), __func__, lino, tstrerror(errno));
}
return code;
}
int32_t tdRSmaFSUpsertQTaskFile(SSma *pSma, SRSmaFS *pFS, SQTaskFile *qTaskFile, int32_t nSize) {
int32_t code = 0;
for (int32_t i = 0; i < nSize; ++i) {
SQTaskFile *qTaskF = qTaskFile + i;
int32_t idx = taosArraySearchIdx(pFS->aQTaskInf, qTaskF, tdQTaskInfCmprFn1, TD_GE);
if (idx < 0) {
idx = taosArrayGetSize(pFS->aQTaskInf);
} else {
SQTaskFile *pTaskF = (SQTaskFile *)taosArrayGet(pFS->aQTaskInf, idx);
int32_t c = tdQTaskInfCmprFn1(pTaskF, qTaskF);
if (c == 0) {
if (pTaskF->size != qTaskF->size) {
code = TSDB_CODE_RSMA_FS_UPDATE;
smaError("vgId:%d, %s failed at line %d since %s, level:%" PRIi8 ", suid:%" PRIi64 ", version:%" PRIi64
", size:%" PRIi64 " != %" PRIi64,
SMA_VID(pSma), __func__, __LINE__, tstrerror(code), pTaskF->level, pTaskF->suid, pTaskF->version,
pTaskF->size, qTaskF->size);
goto _exit;
}
continue;
}
}
if (!taosArrayInsert(pFS->aQTaskInf, idx, qTaskF)) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
}
_exit:
return code;
}
#if 0
int32_t tdRSmaFSRef(SSma *pSma, SRSmaStat *pStat, int64_t suid, int8_t level, int64_t version) {
SArray *aQTaskInf = RSMA_FS(pStat)->aQTaskInf;
SQTaskFile qTaskF = {.level = level, .suid = suid, .version = version};
SQTaskFile *pTaskF = NULL;
int32_t oldVal = 0;
taosRLockLatch(RSMA_FS_LOCK(pStat));
if (suid > 0 && level > 0) {
ASSERT(version > 0);
if ((pTaskF = taosArraySearch(aQTaskInf, &qTaskF, tdQTaskInfCmprFn1, TD_EQ))) {
oldVal = atomic_fetch_add_32(&pTaskF->nRef, 1);
ASSERT(oldVal > 0);
}
} else {
// ref all
int32_t size = taosArrayGetSize(aQTaskInf);
for (int32_t i = 0; i < size; ++i) {
pTaskF = TARRAY_GET_ELEM(aQTaskInf, i);
oldVal = atomic_fetch_add_32(&pTaskF->nRef, 1);
ASSERT(oldVal > 0);
}
}
taosRUnLockLatch(RSMA_FS_LOCK(pStat));
return oldVal;
}
void tdRSmaFSUnRef(SSma *pSma, SRSmaStat *pStat, int64_t suid, int8_t level, int64_t version) {
SVnode *pVnode = pSma->pVnode;
SArray *aQTaskInf = RSMA_FS(pStat)->aQTaskInf;
char qTaskFullName[TSDB_FILENAME_LEN];
SQTaskFile qTaskF = {.level = level, .suid = suid, .version = version};
SQTaskFile *pTaskF = NULL;
int32_t idx = -1;
taosWLockLatch(RSMA_FS_LOCK(pStat));
if (suid > 0 && level > 0) {
ASSERT(version > 0);
if ((idx = taosArraySearchIdx(aQTaskInf, &qTaskF, tdQTaskInfCmprFn1, TD_EQ)) >= 0) {
ASSERT(idx < taosArrayGetSize(aQTaskInf));
pTaskF = taosArrayGet(aQTaskInf, idx);
if (atomic_sub_fetch_32(&pTaskF->nRef, 1) <= 0) {
tdRSmaQTaskInfoGetFullName(TD_VID(pVnode), pTaskF->suid, level, pTaskF->version,
tfsGetPrimaryPath(pVnode->pTfs), qTaskFullName);
if (taosRemoveFile(qTaskFullName) < 0) {
smaWarn("vgId:%d, failed to remove %s since %s", TD_VID(pVnode), qTaskFullName,
tstrerror(TAOS_SYSTEM_ERROR(errno)));
} else {
smaDebug("vgId:%d, success to remove %s", TD_VID(pVnode), qTaskFullName);
}
taosArrayRemove(aQTaskInf, idx);
}
}
} else {
for (int32_t i = 0; i < taosArrayGetSize(aQTaskInf);) {
pTaskF = TARRAY_GET_ELEM(aQTaskInf, i);
int32_t nRef = INT32_MAX;
if (pTaskF->version == version) {
nRef = atomic_sub_fetch_32(&pTaskF->nRef, 1);
} else if (pTaskF->version < version) {
nRef = atomic_load_32(&pTaskF->nRef);
}
if (nRef <= 0) {
tdRSmaQTaskInfoGetFullName(TD_VID(pVnode), pTaskF->suid, pTaskF->level, pTaskF->version,
tfsGetPrimaryPath(pVnode->pTfs), qTaskFullName);
if (taosRemoveFile(qTaskFullName) < 0) {
smaWarn("vgId:%d, failed to remove %s since %s", TD_VID(pVnode), qTaskFullName,
tstrerror(TAOS_SYSTEM_ERROR(errno)));
} else {
smaDebug("vgId:%d, success to remove %s", TD_VID(pVnode), qTaskFullName);
}
taosArrayRemove(aQTaskInf, i);
continue;
}
++i;
}
}
taosWUnLockLatch(RSMA_FS_LOCK(pStat));
}
#endif
int32_t tdRSmaFSRef(SSma *pSma, SRSmaFS *pFS) {
int32_t code = 0;
int32_t lino = 0;
int32_t nRef = 0;
SSmaEnv *pEnv = SMA_RSMA_ENV(pSma);
SRSmaStat *pStat = (SRSmaStat *)SMA_ENV_STAT(pEnv);
SRSmaFS *qFS = RSMA_FS(pStat);
int32_t size = taosArrayGetSize(qFS->aQTaskInf);
pFS->aQTaskInf = taosArrayInit(size, sizeof(SQTaskFile));
if (pFS->aQTaskInf == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
TSDB_CHECK_CODE(code, lino, _exit);
}
for (int32_t i = 0; i < size; ++i) {
SQTaskFile *qTaskF = (SQTaskFile *)taosArrayGet(qFS->aQTaskInf, i);
nRef = atomic_fetch_add_32(&qTaskF->nRef, 1);
if (nRef <= 0) {
code = TSDB_CODE_RSMA_FS_REF;
TSDB_CHECK_CODE(code, lino, _exit);
}
}
taosArraySetSize(pFS->aQTaskInf, size);
memcpy(pFS->aQTaskInf->pData, qFS->aQTaskInf->pData, size * sizeof(SQTaskFile));
_exit:
if (code) {
smaError("vgId:%d, %s failed at line %d since %s, nRef %d", TD_VID(pSma->pVnode), __func__, lino, tstrerror(code),
nRef);
}
return code;
}
void tdRSmaFSUnRef(SSma *pSma, SRSmaFS *pFS) {
int32_t nRef = 0;
char fname[TSDB_FILENAME_LEN];
SVnode *pVnode = pSma->pVnode;
SSmaEnv *pEnv = SMA_RSMA_ENV(pSma);
SRSmaStat *pStat = (SRSmaStat *)SMA_ENV_STAT(pEnv);
int32_t size = taosArrayGetSize(pFS->aQTaskInf);
for (int32_t i = 0; i < size; ++i) {
SQTaskFile *pTaskF = (SQTaskFile *)taosArrayGet(pFS->aQTaskInf, i);
nRef = atomic_sub_fetch_32(&pTaskF->nRef, 1);
if (nRef == 0) {
tdRSmaQTaskInfoGetFullName(TD_VID(pVnode), pTaskF->suid, pTaskF->level, pTaskF->version,
tfsGetPrimaryPath(pVnode->pTfs), fname);
if (taosRemoveFile(fname) < 0) {
smaWarn("vgId:%d, failed to remove %s since %s", TD_VID(pVnode), fname, tstrerror(TAOS_SYSTEM_ERROR(errno)));
} else {
smaDebug("vgId:%d, success to remove %s", TD_VID(pVnode), fname);
}
} else if (nRef < 0) {
smaWarn("vgId:%d, abnormal unref %s since %s", TD_VID(pVnode), fname, tstrerror(TSDB_CODE_RSMA_FS_REF));
}
}
taosArrayDestroy(pFS->aQTaskInf);
}
int32_t tdRSmaFSTakeSnapshot(SSma *pSma, SRSmaFS *pFS) {
int32_t code = 0;
int32_t lino = 0;
SSmaEnv *pEnv = SMA_RSMA_ENV(pSma);
SRSmaStat *pStat = (SRSmaStat *)SMA_ENV_STAT(pEnv);
taosRLockLatch(RSMA_FS_LOCK(pStat));
code = tdRSmaFSRef(pSma, pFS);
TSDB_CHECK_CODE(code, lino, _exit);
_exit:
taosRUnLockLatch(RSMA_FS_LOCK(pStat));
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", TD_VID(pSma->pVnode), __func__, lino, tstrerror(code));
}
return code;
}
int32_t tdRSmaFSCopy(SSma *pSma, SRSmaFS *pFS) {
int32_t code = 0;
int32_t lino = 0;
SSmaEnv *pEnv = SMA_RSMA_ENV(pSma);
SRSmaStat *pStat = (SRSmaStat *)SMA_ENV_STAT(pEnv);
SRSmaFS *qFS = RSMA_FS(pStat);
int32_t size = taosArrayGetSize(qFS->aQTaskInf);
code = tdRSmaFSCreate(pFS, size);
TSDB_CHECK_CODE(code, lino, _exit);
taosArraySetSize(pFS->aQTaskInf, size);
memcpy(pFS->aQTaskInf->pData, qFS->aQTaskInf->pData, size * sizeof(SQTaskFile));
_exit:
if (code) {
smaError("vgId:%d, %s failed at line %d since %s", TD_VID(pSma->pVnode), __func__, lino, tstrerror(code));
}
return code;
}
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