/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #define _DEFAULT_SOURCE #include "mndDb.h" #include "mndAuth.h" #include "mndDnode.h" #include "mndShow.h" #include "mndSma.h" #include "mndStb.h" #include "mndTrans.h" #include "mndUser.h" #include "mndVgroup.h" #include "systable.h" #define DB_VER_NUMBER 1 #define DB_RESERVE_SIZE 64 static SSdbRaw *mndDbActionEncode(SDbObj *pDb); static SSdbRow *mndDbActionDecode(SSdbRaw *pRaw); static int32_t mndDbActionInsert(SSdb *pSdb, SDbObj *pDb); static int32_t mndDbActionDelete(SSdb *pSdb, SDbObj *pDb); static int32_t mndDbActionUpdate(SSdb *pSdb, SDbObj *pOld, SDbObj *pNew); static int32_t mndProcessCreateDbReq(SNodeMsg *pReq); static int32_t mndProcessAlterDbReq(SNodeMsg *pReq); static int32_t mndProcessDropDbReq(SNodeMsg *pReq); static int32_t mndProcessUseDbReq(SNodeMsg *pReq); static int32_t mndProcessCompactDbReq(SNodeMsg *pReq); static int32_t mndRetrieveDbs(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rowsCapacity); static void mndCancelGetNextDb(SMnode *pMnode, void *pIter); static int32_t mndProcessGetDbCfgReq(SNodeMsg *pReq); static int32_t mndProcessGetIndexReq(SNodeMsg *pReq); int32_t mndInitDb(SMnode *pMnode) { SSdbTable table = {.sdbType = SDB_DB, .keyType = SDB_KEY_BINARY, .encodeFp = (SdbEncodeFp)mndDbActionEncode, .decodeFp = (SdbDecodeFp)mndDbActionDecode, .insertFp = (SdbInsertFp)mndDbActionInsert, .updateFp = (SdbUpdateFp)mndDbActionUpdate, .deleteFp = (SdbDeleteFp)mndDbActionDelete}; mndSetMsgHandle(pMnode, TDMT_MND_CREATE_DB, mndProcessCreateDbReq); mndSetMsgHandle(pMnode, TDMT_MND_ALTER_DB, mndProcessAlterDbReq); mndSetMsgHandle(pMnode, TDMT_MND_DROP_DB, mndProcessDropDbReq); mndSetMsgHandle(pMnode, TDMT_MND_USE_DB, mndProcessUseDbReq); mndSetMsgHandle(pMnode, TDMT_MND_COMPACT_DB, mndProcessCompactDbReq); mndSetMsgHandle(pMnode, TDMT_MND_GET_DB_CFG, mndProcessGetDbCfgReq); mndSetMsgHandle(pMnode, TDMT_MND_GET_INDEX, mndProcessGetIndexReq); mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_DB, mndRetrieveDbs); mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_DB, mndCancelGetNextDb); return sdbSetTable(pMnode->pSdb, table); } void mndCleanupDb(SMnode *pMnode) {} static SSdbRaw *mndDbActionEncode(SDbObj *pDb) { terrno = TSDB_CODE_OUT_OF_MEMORY; int32_t size = sizeof(SDbObj) + pDb->cfg.numOfRetensions * sizeof(SRetention) + DB_RESERVE_SIZE; SSdbRaw *pRaw = sdbAllocRaw(SDB_DB, DB_VER_NUMBER, size); if (pRaw == NULL) goto _OVER; int32_t dataPos = 0; SDB_SET_BINARY(pRaw, dataPos, pDb->name, TSDB_DB_FNAME_LEN, _OVER) SDB_SET_BINARY(pRaw, dataPos, pDb->acct, TSDB_USER_LEN, _OVER) SDB_SET_BINARY(pRaw, dataPos, pDb->createUser, TSDB_USER_LEN, _OVER) SDB_SET_INT64(pRaw, dataPos, pDb->createdTime, _OVER) SDB_SET_INT64(pRaw, dataPos, pDb->updateTime, _OVER) SDB_SET_INT64(pRaw, dataPos, pDb->uid, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfgVersion, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->vgVersion, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.numOfVgroups, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.numOfStables, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.buffer, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.pageSize, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.pages, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.daysPerFile, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.daysToKeep0, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.daysToKeep1, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.daysToKeep2, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.minRows, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.maxRows, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.fsyncPeriod, _OVER) SDB_SET_INT8(pRaw, dataPos, pDb->cfg.walLevel, _OVER) SDB_SET_INT8(pRaw, dataPos, pDb->cfg.precision, _OVER) SDB_SET_INT8(pRaw, dataPos, pDb->cfg.compression, _OVER) SDB_SET_INT8(pRaw, dataPos, pDb->cfg.replications, _OVER) SDB_SET_INT8(pRaw, dataPos, pDb->cfg.strict, _OVER) SDB_SET_INT8(pRaw, dataPos, pDb->cfg.cacheLastRow, _OVER) SDB_SET_INT8(pRaw, dataPos, pDb->cfg.hashMethod, _OVER) SDB_SET_INT32(pRaw, dataPos, pDb->cfg.numOfRetensions, _OVER) for (int32_t i = 0; i < pDb->cfg.numOfRetensions; ++i) { TASSERT(taosArrayGetSize(pDb->cfg.pRetensions) == pDb->cfg.numOfRetensions); SRetention *pRetension = taosArrayGet(pDb->cfg.pRetensions, i); SDB_SET_INT64(pRaw, dataPos, pRetension->freq, _OVER) SDB_SET_INT64(pRaw, dataPos, pRetension->keep, _OVER) SDB_SET_INT8(pRaw, dataPos, pRetension->freqUnit, _OVER) SDB_SET_INT8(pRaw, dataPos, pRetension->keepUnit, _OVER) } SDB_SET_RESERVE(pRaw, dataPos, DB_RESERVE_SIZE, _OVER) SDB_SET_DATALEN(pRaw, dataPos, _OVER) terrno = 0; _OVER: if (terrno != 0) { mError("db:%s, failed to encode to raw:%p since %s", pDb->name, pRaw, terrstr()); sdbFreeRaw(pRaw); return NULL; } mTrace("db:%s, encode to raw:%p, row:%p", pDb->name, pRaw, pDb); return pRaw; } static SSdbRow *mndDbActionDecode(SSdbRaw *pRaw) { terrno = TSDB_CODE_OUT_OF_MEMORY; int8_t sver = 0; if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER; if (sver != DB_VER_NUMBER) { terrno = TSDB_CODE_SDB_INVALID_DATA_VER; goto _OVER; } SSdbRow *pRow = sdbAllocRow(sizeof(SDbObj)); if (pRow == NULL) goto _OVER; SDbObj *pDb = sdbGetRowObj(pRow); if (pDb == NULL) goto _OVER; int32_t dataPos = 0; SDB_GET_BINARY(pRaw, dataPos, pDb->name, TSDB_DB_FNAME_LEN, _OVER) SDB_GET_BINARY(pRaw, dataPos, pDb->acct, TSDB_USER_LEN, _OVER) SDB_GET_BINARY(pRaw, dataPos, pDb->createUser, TSDB_USER_LEN, _OVER) SDB_GET_INT64(pRaw, dataPos, &pDb->createdTime, _OVER) SDB_GET_INT64(pRaw, dataPos, &pDb->updateTime, _OVER) SDB_GET_INT64(pRaw, dataPos, &pDb->uid, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfgVersion, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->vgVersion, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.numOfVgroups, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.numOfStables, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.buffer, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.pageSize, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.pages, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.daysPerFile, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.daysToKeep0, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.daysToKeep1, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.daysToKeep2, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.minRows, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.maxRows, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.fsyncPeriod, _OVER) SDB_GET_INT8(pRaw, dataPos, &pDb->cfg.walLevel, _OVER) SDB_GET_INT8(pRaw, dataPos, &pDb->cfg.precision, _OVER) SDB_GET_INT8(pRaw, dataPos, &pDb->cfg.compression, _OVER) SDB_GET_INT8(pRaw, dataPos, &pDb->cfg.replications, _OVER) SDB_GET_INT8(pRaw, dataPos, &pDb->cfg.strict, _OVER) SDB_GET_INT8(pRaw, dataPos, &pDb->cfg.cacheLastRow, _OVER) SDB_GET_INT8(pRaw, dataPos, &pDb->cfg.hashMethod, _OVER) SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.numOfRetensions, _OVER) if (pDb->cfg.numOfRetensions > 0) { pDb->cfg.pRetensions = taosArrayInit(pDb->cfg.numOfRetensions, sizeof(SRetention)); if (pDb->cfg.pRetensions == NULL) goto _OVER; for (int32_t i = 0; i < pDb->cfg.numOfRetensions; ++i) { SRetention retension = {0}; SDB_GET_INT64(pRaw, dataPos, &retension.freq, _OVER) SDB_GET_INT64(pRaw, dataPos, &retension.keep, _OVER) SDB_GET_INT8(pRaw, dataPos, &retension.freqUnit, _OVER) SDB_GET_INT8(pRaw, dataPos, &retension.keepUnit, _OVER) if (taosArrayPush(pDb->cfg.pRetensions, &retension) == NULL) { goto _OVER; } } } SDB_GET_RESERVE(pRaw, dataPos, DB_RESERVE_SIZE, _OVER) terrno = 0; _OVER: if (terrno != 0) { mError("db:%s, failed to decode from raw:%p since %s", pDb->name, pRaw, terrstr()); taosMemoryFreeClear(pRow); return NULL; } mTrace("db:%s, decode from raw:%p, row:%p", pDb->name, pRaw, pDb); return pRow; } static int32_t mndDbActionInsert(SSdb *pSdb, SDbObj *pDb) { mTrace("db:%s, perform insert action, row:%p", pDb->name, pDb); return 0; } static int32_t mndDbActionDelete(SSdb *pSdb, SDbObj *pDb) { mTrace("db:%s, perform delete action, row:%p", pDb->name, pDb); taosArrayDestroy(pDb->cfg.pRetensions); return 0; } static int32_t mndDbActionUpdate(SSdb *pSdb, SDbObj *pOld, SDbObj *pNew) { mTrace("db:%s, perform update action, old row:%p new row:%p", pOld->name, pOld, pNew); taosWLockLatch(&pOld->lock); SArray *pOldRetensions = pOld->cfg.pRetensions; pOld->updateTime = pNew->updateTime; pOld->cfgVersion = pNew->cfgVersion; pOld->vgVersion = pNew->vgVersion; memcpy(&pOld->cfg, &pNew->cfg, sizeof(SDbCfg)); pNew->cfg.pRetensions = pOldRetensions; taosWUnLockLatch(&pOld->lock); return 0; } static int32_t mndGetGlobalVgroupVersion(SMnode *pMnode) { return sdbGetTableVer(pMnode->pSdb, SDB_VGROUP); } SDbObj *mndAcquireDb(SMnode *pMnode, const char *db) { SSdb *pSdb = pMnode->pSdb; SDbObj *pDb = sdbAcquire(pSdb, SDB_DB, db); if (pDb == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) { terrno = TSDB_CODE_MND_DB_NOT_EXIST; } return pDb; } void mndReleaseDb(SMnode *pMnode, SDbObj *pDb) { SSdb *pSdb = pMnode->pSdb; sdbRelease(pSdb, pDb); } static int32_t mndCheckDbName(const char *dbName, SUserObj *pUser) { char *pos = strstr(dbName, TS_PATH_DELIMITER); if (pos == NULL) { terrno = TSDB_CODE_MND_INVALID_DB; return -1; } int32_t acctId = atoi(dbName); if (acctId != pUser->acctId) { terrno = TSDB_CODE_MND_INVALID_DB_ACCT; return -1; } return 0; } static int32_t mndCheckDbCfg(SMnode *pMnode, SDbCfg *pCfg) { if (pCfg->numOfVgroups < TSDB_MIN_VNODES_PER_DB || pCfg->numOfVgroups > TSDB_MAX_VNODES_PER_DB) return -1; if (pCfg->numOfStables < TSDB_DB_STREAM_MODE_OFF || pCfg->numOfStables > TSDB_DB_STREAM_MODE_ON) return -1; if (pCfg->buffer < TSDB_MIN_BUFFER_PER_VNODE || pCfg->buffer > TSDB_MAX_BUFFER_PER_VNODE) return -1; if (pCfg->pageSize < TSDB_MIN_PAGESIZE_PER_VNODE || pCfg->pageSize > TSDB_MAX_PAGESIZE_PER_VNODE) return -1; if (pCfg->pages < TSDB_MIN_PAGES_PER_VNODE || pCfg->pages > TSDB_MAX_PAGES_PER_VNODE) return -1; if (pCfg->daysPerFile < TSDB_MIN_DAYS_PER_FILE || pCfg->daysPerFile > TSDB_MAX_DAYS_PER_FILE) return -1; if (pCfg->daysToKeep0 < TSDB_MIN_KEEP || pCfg->daysToKeep0 > TSDB_MAX_KEEP) return -1; if (pCfg->daysToKeep1 < TSDB_MIN_KEEP || pCfg->daysToKeep1 > TSDB_MAX_KEEP) return -1; if (pCfg->daysToKeep2 < TSDB_MIN_KEEP || pCfg->daysToKeep2 > TSDB_MAX_KEEP) return -1; if (pCfg->daysToKeep0 < pCfg->daysPerFile) return -1; if (pCfg->daysToKeep0 > pCfg->daysToKeep1) return -1; if (pCfg->daysToKeep1 > pCfg->daysToKeep2) return -1; if (pCfg->minRows < TSDB_MIN_MINROWS_FBLOCK || pCfg->minRows > TSDB_MAX_MINROWS_FBLOCK) return -1; if (pCfg->maxRows < TSDB_MIN_MAXROWS_FBLOCK || pCfg->maxRows > TSDB_MAX_MAXROWS_FBLOCK) return -1; if (pCfg->minRows > pCfg->maxRows) return -1; if (pCfg->fsyncPeriod < TSDB_MIN_FSYNC_PERIOD || pCfg->fsyncPeriod > TSDB_MAX_FSYNC_PERIOD) return -1; if (pCfg->walLevel < TSDB_MIN_WAL_LEVEL || pCfg->walLevel > TSDB_MAX_WAL_LEVEL) return -1; if (pCfg->precision < TSDB_MIN_PRECISION && pCfg->precision > TSDB_MAX_PRECISION) return -1; if (pCfg->compression < TSDB_MIN_COMP_LEVEL || pCfg->compression > TSDB_MAX_COMP_LEVEL) return -1; if (pCfg->replications < TSDB_MIN_DB_REPLICA || pCfg->replications > TSDB_MAX_DB_REPLICA) return -1; if (pCfg->replications > mndGetDnodeSize(pMnode)) return -1; if (pCfg->strict < TSDB_DB_STRICT_OFF || pCfg->strict > TSDB_DB_STRICT_ON) return -1; if (pCfg->strict > pCfg->replications) return -1; if (pCfg->cacheLastRow < TSDB_MIN_DB_CACHE_LAST_ROW || pCfg->cacheLastRow > TSDB_MAX_DB_CACHE_LAST_ROW) return -1; if (pCfg->hashMethod != 1) return -1; return TSDB_CODE_SUCCESS; } static void mndSetDefaultDbCfg(SDbCfg *pCfg) { if (pCfg->numOfVgroups < 0) pCfg->numOfVgroups = TSDB_DEFAULT_VN_PER_DB; if (pCfg->numOfStables < 0) pCfg->numOfStables = TSDB_DEFAULT_DB_SINGLE_STABLE; if (pCfg->buffer < 0) pCfg->buffer = TSDB_DEFAULT_BUFFER_PER_VNODE; if (pCfg->pageSize < 0) pCfg->pageSize = TSDB_DEFAULT_PAGES_PER_VNODE; if (pCfg->pages < 0) pCfg->pages = TSDB_MAX_PAGESIZE_PER_VNODE; if (pCfg->daysPerFile < 0) pCfg->daysPerFile = TSDB_DEFAULT_DURATION_PER_FILE; if (pCfg->daysToKeep0 < 0) pCfg->daysToKeep0 = TSDB_DEFAULT_KEEP; if (pCfg->daysToKeep1 < 0) pCfg->daysToKeep1 = pCfg->daysToKeep0; if (pCfg->daysToKeep2 < 0) pCfg->daysToKeep2 = pCfg->daysToKeep1; if (pCfg->minRows < 0) pCfg->minRows = TSDB_DEFAULT_MINROWS_FBLOCK; if (pCfg->maxRows < 0) pCfg->maxRows = TSDB_DEFAULT_MAXROWS_FBLOCK; if (pCfg->fsyncPeriod < 0) pCfg->fsyncPeriod = TSDB_DEFAULT_FSYNC_PERIOD; if (pCfg->walLevel < 0) pCfg->walLevel = TSDB_DEFAULT_WAL_LEVEL; if (pCfg->precision < 0) pCfg->precision = TSDB_DEFAULT_PRECISION; if (pCfg->compression < 0) pCfg->compression = TSDB_DEFAULT_COMP_LEVEL; if (pCfg->replications < 0) pCfg->replications = TSDB_DEFAULT_DB_REPLICA; if (pCfg->strict < 0) pCfg->strict = TSDB_DEFAULT_DB_STRICT; if (pCfg->cacheLastRow < 0) pCfg->cacheLastRow = TSDB_DEFAULT_CACHE_LAST_ROW; if (pCfg->numOfRetensions < 0) pCfg->numOfRetensions = 0; } static int32_t mndSetCreateDbRedoLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups) { SSdbRaw *pDbRaw = mndDbActionEncode(pDb); if (pDbRaw == NULL) return -1; if (mndTransAppendRedolog(pTrans, pDbRaw) != 0) return -1; if (sdbSetRawStatus(pDbRaw, SDB_STATUS_CREATING) != 0) return -1; for (int32_t v = 0; v < pDb->cfg.numOfVgroups; ++v) { SSdbRaw *pVgRaw = mndVgroupActionEncode(pVgroups + v); if (pVgRaw == NULL) return -1; if (mndTransAppendRedolog(pTrans, pVgRaw) != 0) return -1; if (sdbSetRawStatus(pVgRaw, SDB_STATUS_CREATING) != 0) return -1; } return 0; } static int32_t mndSetCreateDbUndoLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups) { SSdbRaw *pDbRaw = mndDbActionEncode(pDb); if (pDbRaw == NULL) return -1; if (mndTransAppendUndolog(pTrans, pDbRaw) != 0) return -1; if (sdbSetRawStatus(pDbRaw, SDB_STATUS_DROPPED) != 0) return -1; for (int32_t v = 0; v < pDb->cfg.numOfVgroups; ++v) { SSdbRaw *pVgRaw = mndVgroupActionEncode(pVgroups + v); if (pVgRaw == NULL) return -1; if (mndTransAppendUndolog(pTrans, pVgRaw) != 0) return -1; if (sdbSetRawStatus(pVgRaw, SDB_STATUS_DROPPED) != 0) return -1; } return 0; } static int32_t mndSetCreateDbCommitLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups) { SSdbRaw *pDbRaw = mndDbActionEncode(pDb); if (pDbRaw == NULL) return -1; if (mndTransAppendCommitlog(pTrans, pDbRaw) != 0) return -1; if (sdbSetRawStatus(pDbRaw, SDB_STATUS_READY) != 0) return -1; for (int32_t v = 0; v < pDb->cfg.numOfVgroups; ++v) { SSdbRaw *pVgRaw = mndVgroupActionEncode(pVgroups + v); if (pVgRaw == NULL) return -1; if (mndTransAppendCommitlog(pTrans, pVgRaw) != 0) return -1; if (sdbSetRawStatus(pVgRaw, SDB_STATUS_READY) != 0) return -1; } return 0; } static int32_t mndSetCreateDbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups) { for (int32_t vg = 0; vg < pDb->cfg.numOfVgroups; ++vg) { SVgObj *pVgroup = pVgroups + vg; for (int32_t vn = 0; vn < pVgroup->replica; ++vn) { STransAction action = {0}; SVnodeGid *pVgid = pVgroup->vnodeGid + vn; SDnodeObj *pDnode = mndAcquireDnode(pMnode, pVgid->dnodeId); if (pDnode == NULL) return -1; action.epSet = mndGetDnodeEpset(pDnode); mndReleaseDnode(pMnode, pDnode); int32_t contLen = 0; void *pReq = mndBuildCreateVnodeReq(pMnode, pDnode, pDb, pVgroup, &contLen); if (pReq == NULL) return -1; action.pCont = pReq; action.contLen = contLen; action.msgType = TDMT_DND_CREATE_VNODE; action.acceptableCode = TSDB_CODE_NODE_ALREADY_DEPLOYED; if (mndTransAppendRedoAction(pTrans, &action) != 0) { taosMemoryFree(pReq); return -1; } } } return 0; } static int32_t mndSetCreateDbUndoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups) { for (int32_t vg = 0; vg < pDb->cfg.numOfVgroups; ++vg) { SVgObj *pVgroup = pVgroups + vg; for (int32_t vn = 0; vn < pVgroup->replica; ++vn) { STransAction action = {0}; SVnodeGid *pVgid = pVgroup->vnodeGid + vn; SDnodeObj *pDnode = mndAcquireDnode(pMnode, pVgid->dnodeId); if (pDnode == NULL) return -1; action.epSet = mndGetDnodeEpset(pDnode); mndReleaseDnode(pMnode, pDnode); int32_t contLen = 0; void *pReq = mndBuildDropVnodeReq(pMnode, pDnode, pDb, pVgroup, &contLen); if (pReq == NULL) return -1; action.pCont = pReq; action.contLen = contLen; action.msgType = TDMT_DND_DROP_VNODE; action.acceptableCode = TSDB_CODE_NODE_NOT_DEPLOYED; if (mndTransAppendUndoAction(pTrans, &action) != 0) { taosMemoryFree(pReq); return -1; } } } return 0; } static int32_t mndCreateDb(SMnode *pMnode, SNodeMsg *pReq, SCreateDbReq *pCreate, SUserObj *pUser) { SDbObj dbObj = {0}; memcpy(dbObj.name, pCreate->db, TSDB_DB_FNAME_LEN); memcpy(dbObj.acct, pUser->acct, TSDB_USER_LEN); dbObj.createdTime = taosGetTimestampMs(); dbObj.updateTime = dbObj.createdTime; dbObj.uid = mndGenerateUid(dbObj.name, TSDB_DB_FNAME_LEN); dbObj.cfgVersion = 1; dbObj.vgVersion = 1; memcpy(dbObj.createUser, pUser->user, TSDB_USER_LEN); dbObj.cfg = (SDbCfg){ .numOfVgroups = pCreate->numOfVgroups, .numOfStables = pCreate->numOfStables, .buffer = pCreate->buffer, .pageSize = pCreate->pageSize, .pages = pCreate->pages, .daysPerFile = pCreate->daysPerFile, .daysToKeep0 = pCreate->daysToKeep0, .daysToKeep1 = pCreate->daysToKeep1, .daysToKeep2 = pCreate->daysToKeep2, .minRows = pCreate->minRows, .maxRows = pCreate->maxRows, .fsyncPeriod = pCreate->fsyncPeriod, .walLevel = pCreate->walLevel, .precision = pCreate->precision, .compression = pCreate->compression, .replications = pCreate->replications, .strict = pCreate->strict, .cacheLastRow = pCreate->cacheLastRow, .hashMethod = 1, }; dbObj.cfg.numOfRetensions = pCreate->numOfRetensions; dbObj.cfg.pRetensions = pCreate->pRetensions; pCreate->pRetensions = NULL; mndSetDefaultDbCfg(&dbObj.cfg); if (mndCheckDbName(dbObj.name, pUser) != 0) { mError("db:%s, failed to create since %s", pCreate->db, terrstr()); return -1; } if (mndCheckDbCfg(pMnode, &dbObj.cfg) != 0) { terrno = TSDB_CODE_MND_INVALID_DB_OPTION; mError("db:%s, failed to create since %s", pCreate->db, terrstr()); return -1; } SVgObj *pVgroups = NULL; if (mndAllocVgroup(pMnode, &dbObj, &pVgroups) != 0) { mError("db:%s, failed to create since %s", pCreate->db, terrstr()); return -1; } int32_t code = -1; STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_TYPE_CREATE_DB, &pReq->rpcMsg); if (pTrans == NULL) goto _OVER; mDebug("trans:%d, used to create db:%s", pTrans->id, pCreate->db); mndTransSetDbInfo(pTrans, &dbObj); if (mndSetCreateDbRedoLogs(pMnode, pTrans, &dbObj, pVgroups) != 0) goto _OVER; if (mndSetCreateDbUndoLogs(pMnode, pTrans, &dbObj, pVgroups) != 0) goto _OVER; if (mndSetCreateDbCommitLogs(pMnode, pTrans, &dbObj, pVgroups) != 0) goto _OVER; if (mndSetCreateDbRedoActions(pMnode, pTrans, &dbObj, pVgroups) != 0) goto _OVER; if (mndSetCreateDbUndoActions(pMnode, pTrans, &dbObj, pVgroups) != 0) goto _OVER; if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER; code = 0; _OVER: taosMemoryFree(pVgroups); mndTransDrop(pTrans); return code; } static int32_t mndProcessCreateDbReq(SNodeMsg *pReq) { SMnode *pMnode = pReq->pNode; int32_t code = -1; SDbObj *pDb = NULL; SUserObj *pUser = NULL; SCreateDbReq createReq = {0}; if (tDeserializeSCreateDbReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &createReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } mDebug("db:%s, start to create, vgroups:%d", createReq.db, createReq.numOfVgroups); pDb = mndAcquireDb(pMnode, createReq.db); if (pDb != NULL) { if (createReq.ignoreExist) { mDebug("db:%s, already exist, ignore exist is set", createReq.db); code = 0; goto _OVER; } else { terrno = TSDB_CODE_MND_DB_ALREADY_EXIST; goto _OVER; } } else if (terrno != TSDB_CODE_MND_DB_NOT_EXIST) { goto _OVER; } pUser = mndAcquireUser(pMnode, pReq->user); if (pUser == NULL) { goto _OVER; } if (mndCheckCreateDbAuth(pUser) != 0) { goto _OVER; } code = mndCreateDb(pMnode, pReq, &createReq, pUser); if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS; _OVER: if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) { mError("db:%s, failed to create since %s", createReq.db, terrstr()); } mndReleaseDb(pMnode, pDb); mndReleaseUser(pMnode, pUser); tFreeSCreateDbReq(&createReq); return code; } static int32_t mndSetDbCfgFromAlterDbReq(SDbObj *pDb, SAlterDbReq *pAlter) { terrno = TSDB_CODE_MND_DB_OPTION_UNCHANGED; if (pAlter->buffer >= 0 && pAlter->buffer != pDb->cfg.buffer) { pDb->cfg.buffer = pAlter->buffer; terrno = 0; } if (pAlter->pages >= 0 && pAlter->pages != pDb->cfg.pages) { pDb->cfg.pages = pAlter->pages; terrno = 0; } if (pAlter->pageSize >= 0 && pAlter->pageSize != pDb->cfg.pageSize) { pDb->cfg.pageSize = pAlter->pageSize; terrno = 0; } if (pAlter->daysPerFile >= 0 && pAlter->daysPerFile != pDb->cfg.daysPerFile) { pDb->cfg.daysPerFile = pAlter->daysPerFile; terrno = 0; } if (pAlter->daysToKeep0 >= 0 && pAlter->daysToKeep0 != pDb->cfg.daysToKeep0) { pDb->cfg.daysToKeep0 = pAlter->daysToKeep0; terrno = 0; } if (pAlter->daysToKeep1 >= 0 && pAlter->daysToKeep1 != pDb->cfg.daysToKeep1) { pDb->cfg.daysToKeep1 = pAlter->daysToKeep1; terrno = 0; } if (pAlter->daysToKeep2 >= 0 && pAlter->daysToKeep2 != pDb->cfg.daysToKeep2) { pDb->cfg.daysToKeep2 = pAlter->daysToKeep2; terrno = 0; } if (pAlter->fsyncPeriod >= 0 && pAlter->fsyncPeriod != pDb->cfg.fsyncPeriod) { pDb->cfg.fsyncPeriod = pAlter->fsyncPeriod; terrno = 0; } if (pAlter->walLevel >= 0 && pAlter->walLevel != pDb->cfg.walLevel) { pDb->cfg.walLevel = pAlter->walLevel; terrno = 0; } if (pAlter->strict >= 0 && pAlter->strict != pDb->cfg.strict) { pDb->cfg.strict = pAlter->strict; terrno = 0; } if (pAlter->cacheLastRow >= 0 && pAlter->cacheLastRow != pDb->cfg.cacheLastRow) { pDb->cfg.cacheLastRow = pAlter->cacheLastRow; terrno = 0; } if (pAlter->replications >= 0 && pAlter->replications != pDb->cfg.replications) { pDb->cfg.replications = pAlter->replications; terrno = 0; } return terrno; } static int32_t mndSetAlterDbRedoLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pOld, SDbObj *pNew) { SSdbRaw *pRedoRaw = mndDbActionEncode(pOld); if (pRedoRaw == NULL) return -1; if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) return -1; if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_READY) != 0) return -1; return 0; } static int32_t mndSetAlterDbCommitLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pOld, SDbObj *pNew) { SSdbRaw *pCommitRaw = mndDbActionEncode(pNew); if (pCommitRaw == NULL) return -1; if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1; if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) return -1; return 0; } void *mndBuildAlterVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen) { SAlterVnodeReq alterReq = {0}; alterReq.vgVersion = pVgroup->version; alterReq.buffer = pDb->cfg.buffer; alterReq.pages = pDb->cfg.pages; alterReq.pageSize = pDb->cfg.pageSize; alterReq.daysPerFile = pDb->cfg.daysPerFile; alterReq.daysToKeep0 = pDb->cfg.daysToKeep0; alterReq.daysToKeep1 = pDb->cfg.daysToKeep1; alterReq.daysToKeep2 = pDb->cfg.daysToKeep2; alterReq.fsyncPeriod = pDb->cfg.fsyncPeriod; alterReq.walLevel = pDb->cfg.walLevel; alterReq.strict = pDb->cfg.strict; alterReq.cacheLastRow = pDb->cfg.cacheLastRow; alterReq.replica = pVgroup->replica; alterReq.selfIndex = -1; for (int32_t v = 0; v < pVgroup->replica; ++v) { SReplica *pReplica = &alterReq.replicas[v]; SVnodeGid *pVgid = &pVgroup->vnodeGid[v]; SDnodeObj *pVgidDnode = mndAcquireDnode(pMnode, pVgid->dnodeId); if (pVgidDnode == NULL) { return NULL; } pReplica->id = pVgidDnode->id; pReplica->port = pVgidDnode->port; memcpy(pReplica->fqdn, pVgidDnode->fqdn, TSDB_FQDN_LEN); mndReleaseDnode(pMnode, pVgidDnode); if (pDnode->id == pVgid->dnodeId) { alterReq.selfIndex = v; } } if (alterReq.selfIndex == -1) { terrno = TSDB_CODE_MND_APP_ERROR; return NULL; } int32_t contLen = tSerializeSAlterVnodeReq(NULL, 0, &alterReq); if (contLen < 0) { terrno = TSDB_CODE_OUT_OF_MEMORY; return NULL; } contLen += +sizeof(SMsgHead); void *pReq = taosMemoryMalloc(contLen); if (pReq == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return NULL; } SMsgHead *pHead = pReq; pHead->contLen = htonl(contLen); pHead->vgId = htonl(pVgroup->vgId); tSerializeSAlterVnodeReq((char *)pReq + sizeof(SMsgHead), contLen, &alterReq); *pContLen = contLen; return pReq; } static int32_t mndBuilAlterVgroupAction(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroup) { for (int32_t vn = 0; vn < pVgroup->replica; ++vn) { STransAction action = {0}; SVnodeGid *pVgid = pVgroup->vnodeGid + vn; SDnodeObj *pDnode = mndAcquireDnode(pMnode, pVgid->dnodeId); if (pDnode == NULL) return -1; action.epSet = mndGetDnodeEpset(pDnode); mndReleaseDnode(pMnode, pDnode); int32_t contLen = 0; void *pReq = mndBuildAlterVnodeReq(pMnode, pDnode, pDb, pVgroup, &contLen); if (pReq == NULL) return -1; action.pCont = pReq; action.contLen = contLen; action.msgType = TDMT_VND_ALTER_VNODE; if (mndTransAppendRedoAction(pTrans, &action) != 0) { taosMemoryFree(pReq); return -1; } } return 0; } static int32_t mndSetAlterDbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pOld, SDbObj *pNew) { SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SVgObj *pVgroup = NULL; pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (pVgroup->dbUid == pNew->uid) { if (mndBuilAlterVgroupAction(pMnode, pTrans, pNew, pVgroup) != 0) { sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } } sdbRelease(pSdb, pVgroup); } return 0; } static int32_t mndAlterDb(SMnode *pMnode, SNodeMsg *pReq, SDbObj *pOld, SDbObj *pNew) { int32_t code = -1; STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_ALTER_DB, &pReq->rpcMsg); if (pTrans == NULL) goto UPDATE_DB_OVER; mDebug("trans:%d, used to alter db:%s", pTrans->id, pOld->name); mndTransSetDbInfo(pTrans, pOld); if (mndSetAlterDbRedoLogs(pMnode, pTrans, pOld, pNew) != 0) goto UPDATE_DB_OVER; if (mndSetAlterDbCommitLogs(pMnode, pTrans, pOld, pNew) != 0) goto UPDATE_DB_OVER; if (mndSetAlterDbRedoActions(pMnode, pTrans, pOld, pNew) != 0) goto UPDATE_DB_OVER; if (mndTransPrepare(pMnode, pTrans) != 0) goto UPDATE_DB_OVER; code = 0; UPDATE_DB_OVER: mndTransDrop(pTrans); return code; } static int32_t mndProcessAlterDbReq(SNodeMsg *pReq) { SMnode *pMnode = pReq->pNode; int32_t code = -1; SDbObj *pDb = NULL; SUserObj *pUser = NULL; SAlterDbReq alterReq = {0}; if (tDeserializeSAlterDbReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &alterReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto ALTER_DB_OVER; } mDebug("db:%s, start to alter", alterReq.db); pDb = mndAcquireDb(pMnode, alterReq.db); if (pDb == NULL) { terrno = TSDB_CODE_MND_DB_NOT_EXIST; goto ALTER_DB_OVER; } pUser = mndAcquireUser(pMnode, pReq->user); if (pUser == NULL) { goto ALTER_DB_OVER; } if (mndCheckAlterDropCompactDbAuth(pUser, pDb) != 0) { goto ALTER_DB_OVER; } SDbObj dbObj = {0}; memcpy(&dbObj, pDb, sizeof(SDbObj)); code = mndSetDbCfgFromAlterDbReq(&dbObj, &alterReq); if (code != 0) { goto ALTER_DB_OVER; } dbObj.cfgVersion++; dbObj.updateTime = taosGetTimestampMs(); code = mndAlterDb(pMnode, pReq, pDb, &dbObj); if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS; ALTER_DB_OVER: if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) { mError("db:%s, failed to alter since %s", alterReq.db, terrstr()); } mndReleaseDb(pMnode, pDb); mndReleaseUser(pMnode, pUser); return code; } static int32_t mndProcessGetDbCfgReq(SNodeMsg *pReq) { SMnode *pMnode = pReq->pNode; int32_t code = -1; SDbObj *pDb = NULL; SDbCfgReq cfgReq = {0}; SDbCfgRsp cfgRsp = {0}; if (tDeserializeSDbCfgReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &cfgReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto GET_DB_CFG_OVER; } pDb = mndAcquireDb(pMnode, cfgReq.db); if (pDb == NULL) { terrno = TSDB_CODE_MND_DB_NOT_EXIST; goto GET_DB_CFG_OVER; } cfgRsp.numOfVgroups = pDb->cfg.numOfVgroups; cfgRsp.numOfStables = pDb->cfg.numOfStables; cfgRsp.buffer = pDb->cfg.buffer; cfgRsp.pageSize = pDb->cfg.pageSize; cfgRsp.pages = pDb->cfg.pages; cfgRsp.daysPerFile = pDb->cfg.daysPerFile; cfgRsp.daysToKeep0 = pDb->cfg.daysToKeep0; cfgRsp.daysToKeep1 = pDb->cfg.daysToKeep1; cfgRsp.daysToKeep2 = pDb->cfg.daysToKeep2; cfgRsp.minRows = pDb->cfg.minRows; cfgRsp.maxRows = pDb->cfg.maxRows; cfgRsp.fsyncPeriod = pDb->cfg.fsyncPeriod; cfgRsp.walLevel = pDb->cfg.walLevel; cfgRsp.precision = pDb->cfg.precision; cfgRsp.compression = pDb->cfg.compression; cfgRsp.replications = pDb->cfg.replications; cfgRsp.strict = pDb->cfg.strict; cfgRsp.cacheLastRow = pDb->cfg.cacheLastRow; cfgRsp.numOfRetensions = pDb->cfg.numOfRetensions; cfgRsp.pRetensions = pDb->cfg.pRetensions; int32_t contLen = tSerializeSDbCfgRsp(NULL, 0, &cfgRsp); void *pRsp = rpcMallocCont(contLen); if (pRsp == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; code = -1; goto GET_DB_CFG_OVER; } tSerializeSDbCfgRsp(pRsp, contLen, &cfgRsp); pReq->pRsp = pRsp; pReq->rspLen = contLen; code = 0; GET_DB_CFG_OVER: if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) { mError("db:%s, failed to get cfg since %s", cfgReq.db, terrstr()); } mndReleaseDb(pMnode, pDb); return code; } static int32_t mndSetDropDbRedoLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb) { SSdbRaw *pRedoRaw = mndDbActionEncode(pDb); if (pRedoRaw == NULL) return -1; if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) return -1; if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING) != 0) return -1; return 0; } static int32_t mndSetDropDbCommitLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb) { SSdbRaw *pCommitRaw = mndDbActionEncode(pDb); if (pCommitRaw == NULL) return -1; if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1; if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED) != 0) return -1; SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SVgObj *pVgroup = NULL; pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (pVgroup->dbUid == pDb->uid) { SSdbRaw *pVgRaw = mndVgroupActionEncode(pVgroup); if (pVgRaw == NULL || mndTransAppendCommitlog(pTrans, pVgRaw) != 0) { sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } sdbSetRawStatus(pVgRaw, SDB_STATUS_DROPPED); } sdbRelease(pSdb, pVgroup); } while (1) { SStbObj *pStb = NULL; pIter = sdbFetch(pSdb, SDB_STB, pIter, (void **)&pStb); if (pIter == NULL) break; if (pStb->dbUid == pDb->uid) { SSdbRaw *pStbRaw = mndStbActionEncode(pStb); if (pStbRaw == NULL || mndTransAppendCommitlog(pTrans, pStbRaw) != 0) { sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pStbRaw); return -1; } sdbSetRawStatus(pStbRaw, SDB_STATUS_DROPPED); } sdbRelease(pSdb, pStb); } return 0; } static int32_t mndBuildDropVgroupAction(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroup) { for (int32_t vn = 0; vn < pVgroup->replica; ++vn) { STransAction action = {0}; SVnodeGid *pVgid = pVgroup->vnodeGid + vn; SDnodeObj *pDnode = mndAcquireDnode(pMnode, pVgid->dnodeId); if (pDnode == NULL) return -1; action.epSet = mndGetDnodeEpset(pDnode); mndReleaseDnode(pMnode, pDnode); int32_t contLen = 0; void *pReq = mndBuildDropVnodeReq(pMnode, pDnode, pDb, pVgroup, &contLen); if (pReq == NULL) return -1; action.pCont = pReq; action.contLen = contLen; action.msgType = TDMT_DND_DROP_VNODE; action.acceptableCode = TSDB_CODE_NODE_NOT_DEPLOYED; if (mndTransAppendRedoAction(pTrans, &action) != 0) { taosMemoryFree(pReq); return -1; } } return 0; } static int32_t mndSetDropDbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb) { SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SVgObj *pVgroup = NULL; pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (pVgroup->dbUid == pDb->uid) { if (mndBuildDropVgroupAction(pMnode, pTrans, pDb, pVgroup) != 0) { sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } } sdbRelease(pSdb, pVgroup); } return 0; } static int32_t mndBuildDropDbRsp(SDbObj *pDb, int32_t *pRspLen, void **ppRsp, bool useRpcMalloc) { SDropDbRsp dropRsp = {0}; if (pDb != NULL) { memcpy(dropRsp.db, pDb->name, TSDB_DB_FNAME_LEN); dropRsp.uid = pDb->uid; } int32_t rspLen = tSerializeSDropDbRsp(NULL, 0, &dropRsp); void *pRsp = NULL; if (useRpcMalloc) { pRsp = rpcMallocCont(rspLen); } else { pRsp = taosMemoryMalloc(rspLen); } if (pRsp == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } tSerializeSDropDbRsp(pRsp, rspLen, &dropRsp); *pRspLen = rspLen; *ppRsp = pRsp; return 0; } static int32_t mndDropDb(SMnode *pMnode, SNodeMsg *pReq, SDbObj *pDb) { int32_t code = -1; STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_DROP_DB, &pReq->rpcMsg); if (pTrans == NULL) goto _OVER; mDebug("trans:%d, used to drop db:%s", pTrans->id, pDb->name); mndTransSetDbInfo(pTrans, pDb); if (mndSetDropDbRedoLogs(pMnode, pTrans, pDb) != 0) goto _OVER; if (mndSetDropDbCommitLogs(pMnode, pTrans, pDb) != 0) goto _OVER; if (mndSetDropDbRedoActions(pMnode, pTrans, pDb) != 0) goto _OVER; int32_t rspLen = 0; void *pRsp = NULL; if (mndBuildDropDbRsp(pDb, &rspLen, &pRsp, false) < 0) goto _OVER; mndTransSetRpcRsp(pTrans, pRsp, rspLen); if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER; code = 0; _OVER: mndTransDrop(pTrans); return code; } static int32_t mndProcessDropDbReq(SNodeMsg *pReq) { SMnode *pMnode = pReq->pNode; int32_t code = -1; SDbObj *pDb = NULL; SUserObj *pUser = NULL; SDropDbReq dropReq = {0}; if (tDeserializeSDropDbReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &dropReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } mDebug("db:%s, start to drop", dropReq.db); pDb = mndAcquireDb(pMnode, dropReq.db); if (pDb == NULL) { if (dropReq.ignoreNotExists) { code = mndBuildDropDbRsp(pDb, &pReq->rspLen, &pReq->pRsp, true); goto _OVER; } else { terrno = TSDB_CODE_MND_DB_NOT_EXIST; goto _OVER; } } pUser = mndAcquireUser(pMnode, pReq->user); if (pUser == NULL) { goto _OVER; } if (mndCheckAlterDropCompactDbAuth(pUser, pDb) != 0) { goto _OVER; } code = mndDropDb(pMnode, pReq, pDb); if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS; _OVER: if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) { mError("db:%s, failed to drop since %s", dropReq.db, terrstr()); } mndReleaseDb(pMnode, pDb); mndReleaseUser(pMnode, pUser); return code; } void mndGetDBTableNum(SDbObj *pDb, SMnode *pMnode, int32_t *num) { int32_t vindex = 0; SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (vindex < pDb->cfg.numOfVgroups) { SVgObj *pVgroup = NULL; pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (pVgroup->dbUid == pDb->uid) { *num += pVgroup->numOfTables / TSDB_TABLE_NUM_UNIT; vindex++; } sdbRelease(pSdb, pVgroup); } sdbCancelFetch(pSdb, pIter); } static void mndBuildDBVgroupInfo(SDbObj *pDb, SMnode *pMnode, SArray *pVgList) { int32_t vindex = 0; SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SVgObj *pVgroup = NULL; pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (NULL == pDb || pVgroup->dbUid == pDb->uid) { SVgroupInfo vgInfo = {0}; vgInfo.vgId = pVgroup->vgId; vgInfo.hashBegin = pVgroup->hashBegin; vgInfo.hashEnd = pVgroup->hashEnd; vgInfo.numOfTable = pVgroup->numOfTables / TSDB_TABLE_NUM_UNIT; vgInfo.epSet.numOfEps = pVgroup->replica; for (int32_t gid = 0; gid < pVgroup->replica; ++gid) { SVnodeGid *pVgid = &pVgroup->vnodeGid[gid]; SEp *pEp = &vgInfo.epSet.eps[gid]; SDnodeObj *pDnode = mndAcquireDnode(pMnode, pVgid->dnodeId); if (pDnode != NULL) { memcpy(pEp->fqdn, pDnode->fqdn, TSDB_FQDN_LEN); pEp->port = pDnode->port; } mndReleaseDnode(pMnode, pDnode); if (pVgid->role == TAOS_SYNC_STATE_LEADER) { vgInfo.epSet.inUse = gid; } } vindex++; taosArrayPush(pVgList, &vgInfo); } sdbRelease(pSdb, pVgroup); if (pDb && (vindex >= pDb->cfg.numOfVgroups)) { break; } } sdbCancelFetch(pSdb, pIter); } int32_t mndExtractDbInfo(SMnode *pMnode, SDbObj *pDb, SUseDbRsp *pRsp, const SUseDbReq *pReq) { pRsp->pVgroupInfos = taosArrayInit(pDb->cfg.numOfVgroups, sizeof(SVgroupInfo)); if (pRsp->pVgroupInfos == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } int32_t numOfTable = 0; mndGetDBTableNum(pDb, pMnode, &numOfTable); if (pReq == NULL || pReq->vgVersion < pDb->vgVersion || pReq->dbId != pDb->uid || numOfTable != pReq->numOfTable) { mndBuildDBVgroupInfo(pDb, pMnode, pRsp->pVgroupInfos); } memcpy(pRsp->db, pDb->name, TSDB_DB_FNAME_LEN); pRsp->uid = pDb->uid; pRsp->vgVersion = pDb->vgVersion; pRsp->vgNum = taosArrayGetSize(pRsp->pVgroupInfos); pRsp->hashMethod = pDb->cfg.hashMethod; return 0; } static int32_t mndProcessUseDbReq(SNodeMsg *pReq) { SMnode *pMnode = pReq->pNode; int32_t code = -1; SDbObj *pDb = NULL; SUserObj *pUser = NULL; SUseDbReq usedbReq = {0}; SUseDbRsp usedbRsp = {0}; if (tDeserializeSUseDbReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &usedbReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto USE_DB_OVER; } char *p = strchr(usedbReq.db, '.'); if (p && ((0 == strcmp(p + 1, TSDB_INFORMATION_SCHEMA_DB) || (0 == strcmp(p + 1, TSDB_PERFORMANCE_SCHEMA_DB))))) { memcpy(usedbRsp.db, usedbReq.db, TSDB_DB_FNAME_LEN); int32_t vgVersion = mndGetGlobalVgroupVersion(pMnode); if (usedbReq.vgVersion < vgVersion) { usedbRsp.pVgroupInfos = taosArrayInit(10, sizeof(SVgroupInfo)); if (usedbRsp.pVgroupInfos == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; goto USE_DB_OVER; } mndBuildDBVgroupInfo(NULL, pMnode, usedbRsp.pVgroupInfos); usedbRsp.vgVersion = vgVersion++; } else { usedbRsp.vgVersion = usedbReq.vgVersion; } usedbRsp.vgNum = taosArrayGetSize(usedbRsp.pVgroupInfos); code = 0; // no jump, need to construct rsp } else { pDb = mndAcquireDb(pMnode, usedbReq.db); if (pDb == NULL) { terrno = TSDB_CODE_MND_DB_NOT_EXIST; memcpy(usedbRsp.db, usedbReq.db, TSDB_DB_FNAME_LEN); usedbRsp.uid = usedbReq.dbId; usedbRsp.vgVersion = usedbReq.vgVersion; mError("db:%s, failed to process use db req since %s", usedbReq.db, terrstr()); } else { pUser = mndAcquireUser(pMnode, pReq->user); if (pUser == NULL) { goto USE_DB_OVER; } if (mndCheckUseDbAuth(pUser, pDb) != 0) { goto USE_DB_OVER; } if (mndExtractDbInfo(pMnode, pDb, &usedbRsp, &usedbReq) < 0) { goto USE_DB_OVER; } code = 0; } } int32_t contLen = tSerializeSUseDbRsp(NULL, 0, &usedbRsp); void *pRsp = rpcMallocCont(contLen); if (pRsp == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; code = -1; goto USE_DB_OVER; } tSerializeSUseDbRsp(pRsp, contLen, &usedbRsp); pReq->pRsp = pRsp; pReq->rspLen = contLen; USE_DB_OVER: if (code != 0) { mError("db:%s, failed to process use db req since %s", usedbReq.db, terrstr()); } mndReleaseDb(pMnode, pDb); mndReleaseUser(pMnode, pUser); tFreeSUsedbRsp(&usedbRsp); return code; } int32_t mndValidateDbInfo(SMnode *pMnode, SDbVgVersion *pDbs, int32_t numOfDbs, void **ppRsp, int32_t *pRspLen) { SUseDbBatchRsp batchUseRsp = {0}; batchUseRsp.pArray = taosArrayInit(numOfDbs, sizeof(SUseDbRsp)); if (batchUseRsp.pArray == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } for (int32_t i = 0; i < numOfDbs; ++i) { SDbVgVersion *pDbVgVersion = &pDbs[i]; pDbVgVersion->dbId = htobe64(pDbVgVersion->dbId); pDbVgVersion->vgVersion = htonl(pDbVgVersion->vgVersion); pDbVgVersion->numOfTable = htonl(pDbVgVersion->numOfTable); SUseDbRsp usedbRsp = {0}; SDbObj *pDb = mndAcquireDb(pMnode, pDbVgVersion->dbFName); if (pDb == NULL) { mDebug("db:%s, no exist", pDbVgVersion->dbFName); memcpy(usedbRsp.db, pDbVgVersion->dbFName, TSDB_DB_FNAME_LEN); usedbRsp.uid = pDbVgVersion->dbId; usedbRsp.vgVersion = -1; taosArrayPush(batchUseRsp.pArray, &usedbRsp); continue; } int32_t numOfTable = 0; mndGetDBTableNum(pDb, pMnode, &numOfTable); if (pDbVgVersion->vgVersion >= pDb->vgVersion && numOfTable == pDbVgVersion->numOfTable) { mDebug("db:%s, version & numOfTable not changed", pDbVgVersion->dbFName); mndReleaseDb(pMnode, pDb); continue; } usedbRsp.pVgroupInfos = taosArrayInit(pDb->cfg.numOfVgroups, sizeof(SVgroupInfo)); if (usedbRsp.pVgroupInfos == NULL) { mndReleaseDb(pMnode, pDb); mError("db:%s, failed to malloc usedb response", pDb->name); continue; } mndBuildDBVgroupInfo(pDb, pMnode, usedbRsp.pVgroupInfos); memcpy(usedbRsp.db, pDb->name, TSDB_DB_FNAME_LEN); usedbRsp.uid = pDb->uid; usedbRsp.vgVersion = pDb->vgVersion; usedbRsp.vgNum = (int32_t)taosArrayGetSize(usedbRsp.pVgroupInfos); usedbRsp.hashMethod = pDb->cfg.hashMethod; taosArrayPush(batchUseRsp.pArray, &usedbRsp); mndReleaseDb(pMnode, pDb); } int32_t rspLen = tSerializeSUseDbBatchRsp(NULL, 0, &batchUseRsp); void *pRsp = taosMemoryMalloc(rspLen); if (pRsp == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; tFreeSUseDbBatchRsp(&batchUseRsp); return -1; } tSerializeSUseDbBatchRsp(pRsp, rspLen, &batchUseRsp); *ppRsp = pRsp; *pRspLen = rspLen; tFreeSUseDbBatchRsp(&batchUseRsp); return 0; } static int32_t mndProcessCompactDbReq(SNodeMsg *pReq) { SMnode *pMnode = pReq->pNode; int32_t code = -1; SDbObj *pDb = NULL; SUserObj *pUser = NULL; SCompactDbReq compactReq = {0}; if (tDeserializeSCompactDbReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &compactReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } mDebug("db:%s, start to sync", compactReq.db); pDb = mndAcquireDb(pMnode, compactReq.db); if (pDb == NULL) { goto _OVER; } pUser = mndAcquireUser(pMnode, pReq->user); if (pUser == NULL) { goto _OVER; } if (mndCheckAlterDropCompactDbAuth(pUser, pDb) != 0) { goto _OVER; } // code = mndCompactDb(); _OVER: if (code != 0) { mError("db:%s, failed to process compact db req since %s", compactReq.db, terrstr()); } mndReleaseDb(pMnode, pDb); mndReleaseUser(pMnode, pUser); return code; } const char *mndGetDbStr(const char *src) { char *pos = strstr(src, TS_PATH_DELIMITER); if (pos != NULL) ++pos; if (pos == NULL) return src; return pos; } static void dumpDbInfoData(SSDataBlock *pBlock, SDbObj *pDb, SShowObj *pShow, int32_t rows, int64_t numOfTables, bool sysDb) { int32_t cols = 0; int32_t bytes = pShow->pMeta->pSchemas[cols].bytes; char *buf = taosMemoryMalloc(bytes); const char *name = mndGetDbStr(pDb->name); if (name != NULL) { STR_WITH_MAXSIZE_TO_VARSTR(buf, name, bytes); } else { STR_WITH_MAXSIZE_TO_VARSTR(buf, "NULL", bytes); } char *status = "ready"; char b[24] = {0}; STR_WITH_SIZE_TO_VARSTR(b, status, strlen(status)); if (sysDb) { for (int32_t i = 0; i < pShow->numOfColumns; ++i) { SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, i); if (i == 0) { colDataAppend(pColInfo, rows, buf, false); } else if (i == 3) { colDataAppend(pColInfo, rows, (const char *)&numOfTables, false); } else if (i == 20) { colDataAppend(pColInfo, rows, b, false); } else { colDataAppendNULL(pColInfo, rows); } } } else { SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, buf, false); taosMemoryFree(buf); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->createdTime, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.numOfVgroups, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&numOfTables, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.replications, false); const char *src = pDb->cfg.strict ? "strict" : "nostrict"; STR_WITH_SIZE_TO_VARSTR(b, src, strlen(src)); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)b, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.daysPerFile, false); char tmp[128] = {0}; int32_t len = 0; if (pDb->cfg.daysToKeep0 > pDb->cfg.daysToKeep1 || pDb->cfg.daysToKeep0 > pDb->cfg.daysToKeep2) { len = sprintf(&tmp[VARSTR_HEADER_SIZE], "%d,%d,%d", pDb->cfg.daysToKeep1, pDb->cfg.daysToKeep2, pDb->cfg.daysToKeep0); } else { len = sprintf(&tmp[VARSTR_HEADER_SIZE], "%d,%d,%d", pDb->cfg.daysToKeep0, pDb->cfg.daysToKeep1, pDb->cfg.daysToKeep2); } varDataSetLen(tmp, len); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)tmp, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.buffer, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.pageSize, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.pages, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.minRows, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.maxRows, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.walLevel, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.fsyncPeriod, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.compression, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.cacheLastRow, false); char *prec = NULL; switch (pDb->cfg.precision) { case TSDB_TIME_PRECISION_MILLI: prec = TSDB_TIME_PRECISION_MILLI_STR; break; case TSDB_TIME_PRECISION_MICRO: prec = TSDB_TIME_PRECISION_MICRO_STR; break; case TSDB_TIME_PRECISION_NANO: prec = TSDB_TIME_PRECISION_NANO_STR; break; default: prec = "none"; break; } char t[10] = {0}; STR_WITH_SIZE_TO_VARSTR(t, prec, 2); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)t, false); // single stable model int8_t m = 0; pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, rows, (const char *)&m, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols); colDataAppend(pColInfo, rows, (const char *)b, false); } // pWrite = getDataPosition(data, pShow, cols, rows, rowCapacity); // *(int8_t *)pWrite = pDb->cfg.update; } static void setInformationSchemaDbCfg(SDbObj *pDbObj) { ASSERT(pDbObj != NULL); strncpy(pDbObj->name, TSDB_INFORMATION_SCHEMA_DB, tListLen(pDbObj->name)); pDbObj->createdTime = 0; pDbObj->cfg.numOfVgroups = 0; pDbObj->cfg.strict = 1; pDbObj->cfg.replications = 1; pDbObj->cfg.precision = TSDB_TIME_PRECISION_MILLI; } static void setPerfSchemaDbCfg(SDbObj *pDbObj) { ASSERT(pDbObj != NULL); strncpy(pDbObj->name, TSDB_PERFORMANCE_SCHEMA_DB, tListLen(pDbObj->name)); pDbObj->createdTime = 0; pDbObj->cfg.numOfVgroups = 0; pDbObj->cfg.strict = 1; pDbObj->cfg.replications = 1; pDbObj->cfg.precision = TSDB_TIME_PRECISION_MILLI; } static bool mndGetTablesOfDbFp(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) { SVgObj *pVgroup = pObj; int32_t *numOfTables = p1; *numOfTables += pVgroup->numOfTables; return true; } static int32_t mndRetrieveDbs(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rowsCapacity) { SMnode *pMnode = pReq->pNode; SSdb *pSdb = pMnode->pSdb; int32_t numOfRows = 0; SDbObj *pDb = NULL; // Append the information_schema database into the result. if (!pShow->sysDbRsp) { SDbObj infoschemaDb = {0}; setInformationSchemaDbCfg(&infoschemaDb); dumpDbInfoData(pBlock, &infoschemaDb, pShow, numOfRows, 14, true); numOfRows += 1; SDbObj perfschemaDb = {0}; setPerfSchemaDbCfg(&perfschemaDb); dumpDbInfoData(pBlock, &perfschemaDb, pShow, numOfRows, 3, true); numOfRows += 1; pShow->sysDbRsp = true; } while (numOfRows < rowsCapacity) { pShow->pIter = sdbFetch(pSdb, SDB_DB, pShow->pIter, (void **)&pDb); if (pShow->pIter == NULL) { break; } int32_t numOfTables = 0; sdbTraverse(pSdb, SDB_VGROUP, mndGetTablesOfDbFp, &numOfTables, NULL, NULL); dumpDbInfoData(pBlock, pDb, pShow, numOfRows, numOfTables, false); numOfRows++; sdbRelease(pSdb, pDb); } pShow->numOfRows += numOfRows; return numOfRows; } static void mndCancelGetNextDb(SMnode *pMnode, void *pIter) { SSdb *pSdb = pMnode->pSdb; sdbCancelFetch(pSdb, pIter); } static int32_t mndProcessGetIndexReq(SNodeMsg *pReq) { SUserIndexReq indexReq = {0}; SMnode *pMnode = pReq->pNode; int32_t code = -1; SUserIndexRsp rsp = {0}; bool exist = false; if (tDeserializeSUserIndexReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &indexReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } code = mndProcessGetSmaReq(pMnode, &indexReq, &rsp, &exist); if (code) { goto _OVER; } if (!exist) { // TODO GET INDEX FROM FULLTEXT code = -1; terrno = TSDB_CODE_MND_DB_INDEX_NOT_EXIST; } else { int32_t contLen = tSerializeSUserIndexRsp(NULL, 0, &rsp); void *pRsp = rpcMallocCont(contLen); if (pRsp == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; code = -1; goto _OVER; } tSerializeSUserIndexRsp(pRsp, contLen, &rsp); pReq->pRsp = pRsp; pReq->rspLen = contLen; code = 0; } _OVER: if (code != 0) { mError("failed to get index %s since %s", indexReq.indexFName, terrstr()); } return code; }