homework-jianmu/source/dnode/mnode/impl/src/mndDb.c

1918 lines
66 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/>.
*/
#define _DEFAULT_SOURCE
#include "mndDb.h"
#include "mndCluster.h"
#include "mndDnode.h"
#include "mndIndex.h"
#include "mndPrivilege.h"
#include "mndShow.h"
#include "mndSma.h"
#include "mndStb.h"
#include "mndStream.h"
#include "mndSubscribe.h"
#include "mndTopic.h"
#include "mndTrans.h"
#include "mndUser.h"
#include "mndVgroup.h"
#include "systable.h"
#define DB_VER_NUMBER 1
#define DB_RESERVE_SIZE 46
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(SRpcMsg *pReq);
static int32_t mndProcessAlterDbReq(SRpcMsg *pReq);
static int32_t mndProcessDropDbReq(SRpcMsg *pReq);
static int32_t mndProcessUseDbReq(SRpcMsg *pReq);
static int32_t mndProcessTrimDbReq(SRpcMsg *pReq);
static int32_t mndRetrieveDbs(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rowsCapacity);
static void mndCancelGetNextDb(SMnode *pMnode, void *pIter);
static int32_t mndProcessGetDbCfgReq(SRpcMsg *pReq);
#ifndef TD_ENTERPRISE
int32_t mndProcessCompactDbReq(SRpcMsg *pReq) { return TSDB_CODE_OPS_NOT_SUPPORT; }
#endif
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_TRIM_DB, mndProcessTrimDbReq);
mndSetMsgHandle(pMnode, TDMT_MND_GET_DB_CFG, mndProcessGetDbCfgReq);
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_DB, mndRetrieveDbs);
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_DB, mndCancelGetNextDb);
return sdbSetTable(pMnode->pSdb, table);
}
void mndCleanupDb(SMnode *pMnode) {}
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.cacheLastSize, _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.walFsyncPeriod, _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.cacheLast, _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) {
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_INT8(pRaw, dataPos, pDb->cfg.schemaless, _OVER)
SDB_SET_INT32(pRaw, dataPos, pDb->cfg.walRetentionPeriod, _OVER)
SDB_SET_INT64(pRaw, dataPos, pDb->cfg.walRetentionSize, _OVER)
SDB_SET_INT32(pRaw, dataPos, pDb->cfg.walRollPeriod, _OVER)
SDB_SET_INT64(pRaw, dataPos, pDb->cfg.walSegmentSize, _OVER)
SDB_SET_INT16(pRaw, dataPos, pDb->cfg.sstTrigger, _OVER)
SDB_SET_INT16(pRaw, dataPos, pDb->cfg.hashPrefix, _OVER)
SDB_SET_INT16(pRaw, dataPos, pDb->cfg.hashSuffix, _OVER)
SDB_SET_INT32(pRaw, dataPos, pDb->cfg.tsdbPageSize, _OVER)
SDB_SET_INT64(pRaw, dataPos, pDb->compactStartTime, _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;
SSdbRow *pRow = NULL;
SDbObj *pDb = NULL;
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;
}
pRow = sdbAllocRow(sizeof(SDbObj));
if (pRow == NULL) goto _OVER;
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.cacheLastSize, _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.walFsyncPeriod, _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.cacheLast, _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 retention = {0};
SDB_GET_INT64(pRaw, dataPos, &retention.freq, _OVER)
SDB_GET_INT64(pRaw, dataPos, &retention.keep, _OVER)
SDB_GET_INT8(pRaw, dataPos, &retention.freqUnit, _OVER)
SDB_GET_INT8(pRaw, dataPos, &retention.keepUnit, _OVER)
if (taosArrayPush(pDb->cfg.pRetensions, &retention) == NULL) {
goto _OVER;
}
}
}
SDB_GET_INT8(pRaw, dataPos, &pDb->cfg.schemaless, _OVER)
SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.walRetentionPeriod, _OVER)
SDB_GET_INT64(pRaw, dataPos, &pDb->cfg.walRetentionSize, _OVER)
SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.walRollPeriod, _OVER)
SDB_GET_INT64(pRaw, dataPos, &pDb->cfg.walSegmentSize, _OVER)
SDB_GET_INT16(pRaw, dataPos, &pDb->cfg.sstTrigger, _OVER)
SDB_GET_INT16(pRaw, dataPos, &pDb->cfg.hashPrefix, _OVER)
SDB_GET_INT16(pRaw, dataPos, &pDb->cfg.hashSuffix, _OVER)
SDB_GET_INT32(pRaw, dataPos, &pDb->cfg.tsdbPageSize, _OVER)
SDB_GET_INT64(pRaw, dataPos, &pDb->compactStartTime, _OVER)
SDB_GET_RESERVE(pRaw, dataPos, DB_RESERVE_SIZE, _OVER)
taosInitRWLatch(&pDb->lock);
if (pDb->cfg.tsdbPageSize != TSDB_MIN_TSDB_PAGESIZE) {
mInfo("db:%s, tsdbPageSize set from %d to default %d", pDb->name, pDb->cfg.tsdbPageSize,
TSDB_DEFAULT_TSDB_PAGESIZE);
}
if (pDb->cfg.sstTrigger != TSDB_MIN_STT_TRIGGER) {
mInfo("db:%s, sstTrigger set from %d to default %d", pDb->name, pDb->cfg.sstTrigger, TSDB_DEFAULT_SST_TRIGGER);
}
terrno = 0;
_OVER:
if (terrno != 0) {
mError("db:%s, failed to decode from raw:%p since %s", pDb == NULL ? "null" : 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);
pOld->updateTime = pNew->updateTime;
pOld->cfgVersion = pNew->cfgVersion;
pOld->vgVersion = pNew->vgVersion;
pOld->cfg.numOfVgroups = pNew->cfg.numOfVgroups;
pOld->cfg.buffer = pNew->cfg.buffer;
pOld->cfg.pageSize = pNew->cfg.pageSize;
pOld->cfg.pages = pNew->cfg.pages;
pOld->cfg.cacheLastSize = pNew->cfg.cacheLastSize;
pOld->cfg.daysPerFile = pNew->cfg.daysPerFile;
pOld->cfg.daysToKeep0 = pNew->cfg.daysToKeep0;
pOld->cfg.daysToKeep1 = pNew->cfg.daysToKeep1;
pOld->cfg.daysToKeep2 = pNew->cfg.daysToKeep2;
pOld->cfg.walFsyncPeriod = pNew->cfg.walFsyncPeriod;
pOld->cfg.walLevel = pNew->cfg.walLevel;
pOld->cfg.walRetentionPeriod = pNew->cfg.walRetentionPeriod;
pOld->cfg.walRetentionSize = pNew->cfg.walRetentionSize;
pOld->cfg.strict = pNew->cfg.strict;
pOld->cfg.cacheLast = pNew->cfg.cacheLast;
pOld->cfg.replications = pNew->cfg.replications;
pOld->cfg.sstTrigger = pNew->cfg.sstTrigger;
pOld->cfg.minRows = pNew->cfg.minRows;
pOld->cfg.maxRows = pNew->cfg.maxRows;
pOld->cfg.tsdbPageSize = pNew->cfg.tsdbPageSize;
pOld->compactStartTime = pNew->compactStartTime;
taosWUnLockLatch(&pOld->lock);
return 0;
}
static inline int32_t mndGetGlobalVgroupVersion(SMnode *pMnode) {
SSdb *pSdb = pMnode->pSdb;
return sdbGetTableVer(pSdb, SDB_VGROUP);
}
SDbObj *mndAcquireDb(SMnode *pMnode, const char *db) {
SSdb *pSdb = pMnode->pSdb;
SDbObj *pDb = sdbAcquire(pSdb, SDB_DB, db);
if (pDb == NULL) {
if (terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
terrno = TSDB_CODE_MND_DB_NOT_EXIST;
} else if (terrno == TSDB_CODE_SDB_OBJ_CREATING) {
terrno = TSDB_CODE_MND_DB_IN_CREATING;
} else if (terrno == TSDB_CODE_SDB_OBJ_DROPPING) {
terrno = TSDB_CODE_MND_DB_IN_DROPPING;
} else {
terrno = TSDB_CODE_APP_ERROR;
mFatal("db:%s, failed to acquire db since %s", db, terrstr());
}
}
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) {
terrno = TSDB_CODE_MND_INVALID_DB_OPTION;
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->cacheLastSize < TSDB_MIN_DB_CACHE_SIZE || pCfg->cacheLastSize > TSDB_MAX_DB_CACHE_SIZE) 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->walFsyncPeriod < TSDB_MIN_FSYNC_PERIOD || pCfg->walFsyncPeriod > 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 != 1 && pCfg->replications != 3) return -1;
if (pCfg->strict < TSDB_DB_STRICT_OFF || pCfg->strict > TSDB_DB_STRICT_ON) return -1;
if (pCfg->schemaless < TSDB_DB_SCHEMALESS_OFF || pCfg->schemaless > TSDB_DB_SCHEMALESS_ON) return -1;
if (pCfg->cacheLast < TSDB_CACHE_MODEL_NONE || pCfg->cacheLast > TSDB_CACHE_MODEL_BOTH) return -1;
if (pCfg->hashMethod != 1) return -1;
if (pCfg->replications > mndGetDnodeSize(pMnode)) {
terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
return -1;
}
if (pCfg->walRetentionPeriod < TSDB_DB_MIN_WAL_RETENTION_PERIOD) return -1;
if (pCfg->walRetentionSize < TSDB_DB_MIN_WAL_RETENTION_SIZE) return -1;
if (pCfg->walRollPeriod < TSDB_DB_MIN_WAL_ROLL_PERIOD) return -1;
if (pCfg->walSegmentSize < TSDB_DB_MIN_WAL_SEGMENT_SIZE) return -1;
if (pCfg->sstTrigger < TSDB_MIN_STT_TRIGGER || pCfg->sstTrigger > TSDB_MAX_STT_TRIGGER) return -1;
if (pCfg->hashPrefix < TSDB_MIN_HASH_PREFIX || pCfg->hashPrefix > TSDB_MAX_HASH_PREFIX) return -1;
if (pCfg->hashSuffix < TSDB_MIN_HASH_SUFFIX || pCfg->hashSuffix > TSDB_MAX_HASH_SUFFIX) return -1;
if ((pCfg->hashSuffix * pCfg->hashPrefix) < 0) return -1;
if ((pCfg->hashPrefix + pCfg->hashSuffix) >= (TSDB_TABLE_NAME_LEN - 1)) return -1;
if (pCfg->tsdbPageSize < TSDB_MIN_TSDB_PAGESIZE || pCfg->tsdbPageSize > TSDB_MAX_TSDB_PAGESIZE) return -1;
if (taosArrayGetSize(pCfg->pRetensions) != pCfg->numOfRetensions) return -1;
terrno = 0;
return terrno;
}
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_PAGESIZE_PER_VNODE;
if (pCfg->pages < 0) pCfg->pages = TSDB_DEFAULT_PAGES_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->walFsyncPeriod < 0) pCfg->walFsyncPeriod = 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->cacheLast < 0) pCfg->cacheLast = TSDB_DEFAULT_CACHE_MODEL;
if (pCfg->cacheLastSize <= 0) pCfg->cacheLastSize = TSDB_DEFAULT_CACHE_SIZE;
if (pCfg->numOfRetensions < 0) pCfg->numOfRetensions = 0;
if (pCfg->schemaless < 0) pCfg->schemaless = TSDB_DB_SCHEMALESS_OFF;
if (pCfg->walRetentionPeriod < 0 && pCfg->walRetentionPeriod != -1)
pCfg->walRetentionPeriod = TSDB_REPS_DEF_DB_WAL_RET_PERIOD;
if (pCfg->walRetentionSize < 0 && pCfg->walRetentionSize != -1)
pCfg->walRetentionSize = TSDB_REPS_DEF_DB_WAL_RET_SIZE;
if (pCfg->walRollPeriod < 0) pCfg->walRollPeriod = TSDB_REPS_DEF_DB_WAL_ROLL_PERIOD;
if (pCfg->walSegmentSize < 0) pCfg->walSegmentSize = TSDB_DEFAULT_DB_WAL_SEGMENT_SIZE;
if (pCfg->sstTrigger <= 0) pCfg->sstTrigger = TSDB_DEFAULT_SST_TRIGGER;
if (pCfg->tsdbPageSize <= 0) pCfg->tsdbPageSize = TSDB_DEFAULT_TSDB_PAGESIZE;
}
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) {
SVnodeGid *pVgid = pVgroup->vnodeGid + vn;
if (mndAddCreateVnodeAction(pMnode, pTrans, pDb, pVgroup, pVgid) != 0) {
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) {
SVnodeGid *pVgid = pVgroup->vnodeGid + vn;
if (mndAddDropVnodeAction(pMnode, pTrans, pDb, pVgroup, pVgid, false) != 0) {
return -1;
}
}
}
return 0;
}
static int32_t mndCreateDb(SMnode *pMnode, SRpcMsg *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,
.cacheLastSize = pCreate->cacheLastSize,
.daysPerFile = pCreate->daysPerFile,
.daysToKeep0 = pCreate->daysToKeep0,
.daysToKeep1 = pCreate->daysToKeep1,
.daysToKeep2 = pCreate->daysToKeep2,
.minRows = pCreate->minRows,
.maxRows = pCreate->maxRows,
.walFsyncPeriod = pCreate->walFsyncPeriod,
.walLevel = pCreate->walLevel,
.precision = pCreate->precision,
.compression = pCreate->compression,
.replications = pCreate->replications,
.strict = pCreate->strict,
.cacheLast = pCreate->cacheLast,
.hashMethod = 1,
.schemaless = pCreate->schemaless,
.walRetentionPeriod = pCreate->walRetentionPeriod,
.walRetentionSize = pCreate->walRetentionSize,
.walRollPeriod = pCreate->walRollPeriod,
.walSegmentSize = pCreate->walSegmentSize,
.sstTrigger = pCreate->sstTrigger,
.hashPrefix = pCreate->hashPrefix,
.hashSuffix = pCreate->hashSuffix,
.tsdbPageSize = pCreate->tsdbPageSize,
};
dbObj.cfg.numOfRetensions = pCreate->numOfRetensions;
dbObj.cfg.pRetensions = pCreate->pRetensions;
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) {
mError("db:%s, failed to create since %s", pCreate->db, terrstr());
return -1;
}
if (dbObj.cfg.hashPrefix > 0) {
int32_t dbLen = strlen(dbObj.name) + 1;
mInfo("db:%s, hashPrefix adjust from %d to %d", dbObj.name, dbObj.cfg.hashPrefix, dbObj.cfg.hashPrefix + dbLen);
dbObj.cfg.hashPrefix += dbLen;
} else if (dbObj.cfg.hashPrefix < 0) {
int32_t dbLen = strlen(dbObj.name) + 1;
mInfo("db:%s, hashPrefix adjust from %d to %d", dbObj.name, dbObj.cfg.hashPrefix, dbObj.cfg.hashPrefix - dbLen);
dbObj.cfg.hashPrefix -= dbLen;
}
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_RETRY, TRN_CONFLICT_DB, pReq, "create-db");
if (pTrans == NULL) goto _OVER;
// mndTransSetSerial(pTrans);
mInfo("trans:%d, used to create db:%s", pTrans->id, pCreate->db);
mndTransSetDbName(pTrans, dbObj.name, NULL);
if (mndTrancCheckConflict(pMnode, pTrans) != 0) goto _OVER;
mndTransSetOper(pTrans, MND_OPER_CREATE_DB);
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(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
int32_t code = -1;
SDbObj *pDb = NULL;
SUserObj *pUser = NULL;
SCreateDbReq createReq = {0};
if ((terrno = grantCheck(TSDB_GRANT_DB)) != 0) {
code = terrno;
goto _OVER;
}
if (tDeserializeSCreateDbReq(pReq->pCont, pReq->contLen, &createReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
mInfo("db:%s, start to create, vgroups:%d", createReq.db, createReq.numOfVgroups);
if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_DB, NULL) != 0) {
goto _OVER;
}
pDb = mndAcquireDb(pMnode, createReq.db);
if (pDb != NULL) {
if (createReq.ignoreExist) {
mInfo("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_IN_CREATING) {
code = terrno;
goto _OVER;
} else if (terrno == TSDB_CODE_MND_DB_IN_DROPPING) {
goto _OVER;
} else if (terrno == TSDB_CODE_MND_DB_NOT_EXIST) {
// continue
} else { // TSDB_CODE_APP_ERROR
goto _OVER;
}
}
pUser = mndAcquireUser(pMnode, pReq->info.conn.user);
if (pUser == NULL) {
goto _OVER;
}
code = mndCreateDb(pMnode, pReq, &createReq, pUser);
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
_OVER:
if (code != 0 && code != TSDB_CODE_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->walFsyncPeriod >= 0 && pAlter->walFsyncPeriod != pDb->cfg.walFsyncPeriod) {
pDb->cfg.walFsyncPeriod = pAlter->walFsyncPeriod;
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) {
#if 1
terrno = TSDB_CODE_OPS_NOT_SUPPORT;
#else
pDb->cfg.strict = pAlter->strict;
terrno = 0;
#endif
}
if (pAlter->cacheLast >= 0 && pAlter->cacheLast != pDb->cfg.cacheLast) {
pDb->cfg.cacheLast = pAlter->cacheLast;
terrno = 0;
}
if (pAlter->cacheLastSize > 0 && pAlter->cacheLastSize != pDb->cfg.cacheLastSize) {
pDb->cfg.cacheLastSize = pAlter->cacheLastSize;
terrno = 0;
}
if (pAlter->replications > 0 && pAlter->replications != pDb->cfg.replications) {
pDb->cfg.replications = pAlter->replications;
pDb->vgVersion++;
terrno = 0;
}
if (pAlter->sstTrigger > 0 && pAlter->sstTrigger != pDb->cfg.sstTrigger) {
pDb->cfg.sstTrigger = pAlter->sstTrigger;
pDb->vgVersion++;
terrno = 0;
}
if (pAlter->minRows > 0 && pAlter->minRows != pDb->cfg.minRows) {
pDb->cfg.minRows = pAlter->minRows;
pDb->vgVersion++;
terrno = 0;
}
if (pAlter->walRetentionPeriod > TSDB_DB_MIN_WAL_RETENTION_PERIOD &&
pAlter->walRetentionPeriod != pDb->cfg.walRetentionPeriod) {
pDb->cfg.walRetentionPeriod = pAlter->walRetentionPeriod;
pDb->vgVersion++;
terrno = 0;
}
if (pAlter->walRetentionSize > TSDB_DB_MIN_WAL_RETENTION_SIZE &&
pAlter->walRetentionSize != pDb->cfg.walRetentionSize) {
pDb->cfg.walRetentionSize = pAlter->walRetentionSize;
pDb->vgVersion++;
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) {
sdbFreeRaw(pRedoRaw);
return -1;
}
(void)sdbSetRawStatus(pRedoRaw, SDB_STATUS_READY);
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) {
sdbFreeRaw(pCommitRaw);
return -1;
}
(void)sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY);
return 0;
}
static int32_t mndSetAlterDbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pOldDb, SDbObj *pNewDb) {
SSdb *pSdb = pMnode->pSdb;
void *pIter = NULL;
SArray *pArray = mndBuildDnodesArray(pMnode, 0);
while (1) {
SVgObj *pVgroup = NULL;
pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup);
if (pIter == NULL) break;
if (mndVgroupInDb(pVgroup, pNewDb->uid)) {
if (mndBuildAlterVgroupAction(pMnode, pTrans, pOldDb, pNewDb, pVgroup, pArray) != 0) {
sdbCancelFetch(pSdb, pIter);
sdbRelease(pSdb, pVgroup);
taosArrayDestroy(pArray);
return -1;
}
}
sdbRelease(pSdb, pVgroup);
}
taosArrayDestroy(pArray);
return 0;
}
static int32_t mndAlterDb(SMnode *pMnode, SRpcMsg *pReq, SDbObj *pOld, SDbObj *pNew) {
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB, pReq, "alter-db");
if (pTrans == NULL) return -1;
mInfo("trans:%d, used to alter db:%s", pTrans->id, pOld->name);
int32_t code = -1;
mndTransSetDbName(pTrans, pOld->name, NULL);
if (mndTrancCheckConflict(pMnode, pTrans) != 0) goto _OVER;
if (mndSetAlterDbRedoLogs(pMnode, pTrans, pOld, pNew) != 0) goto _OVER;
if (mndSetAlterDbCommitLogs(pMnode, pTrans, pOld, pNew) != 0) goto _OVER;
if (mndSetAlterDbRedoActions(pMnode, pTrans, pOld, pNew) != 0) goto _OVER;
if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;
code = 0;
_OVER:
mndTransDrop(pTrans);
return code;
}
static int32_t mndProcessAlterDbReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
int32_t code = -1;
SDbObj *pDb = NULL;
SAlterDbReq alterReq = {0};
SDbObj dbObj = {0};
if (tDeserializeSAlterDbReq(pReq->pCont, pReq->contLen, &alterReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
mInfo("db:%s, start to alter", alterReq.db);
pDb = mndAcquireDb(pMnode, alterReq.db);
if (pDb == NULL) {
goto _OVER;
}
if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_ALTER_DB, pDb) != 0) {
goto _OVER;
}
int32_t numOfTopics = 0;
if (mndGetNumOfTopics(pMnode, pDb->name, &numOfTopics) != 0) {
goto _OVER;
}
if (numOfTopics != 0 && alterReq.walRetentionPeriod == 0) {
terrno = TSDB_CODE_MND_DB_RETENTION_PERIOD_ZERO;
mError("db:%s, not allowed to set WAL_RETENTION_PERIOD 0 when there are topics defined. numOfTopics:%d", pDb->name,
numOfTopics);
goto _OVER;
}
memcpy(&dbObj, pDb, sizeof(SDbObj));
if (dbObj.cfg.pRetensions != NULL) {
dbObj.cfg.pRetensions = taosArrayDup(pDb->cfg.pRetensions, NULL);
if (dbObj.cfg.pRetensions == NULL) goto _OVER;
}
code = mndSetDbCfgFromAlterDbReq(&dbObj, &alterReq);
if (code != 0) goto _OVER;
code = mndCheckDbCfg(pMnode, &dbObj.cfg);
if (code != 0) goto _OVER;
dbObj.cfgVersion++;
dbObj.updateTime = taosGetTimestampMs();
code = mndAlterDb(pMnode, pReq, pDb, &dbObj);
if (dbObj.cfg.replications != pDb->cfg.replications) {
// return quickly, operation executed asynchronously
mInfo("db:%s, alter db replica from %d to %d", pDb->name, pDb->cfg.replications, dbObj.cfg.replications);
} else {
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
}
_OVER:
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
if (terrno != 0) code = terrno;
mError("db:%s, failed to alter since %s", alterReq.db, terrstr());
}
mndReleaseDb(pMnode, pDb);
taosArrayDestroy(dbObj.cfg.pRetensions);
terrno = code;
return code;
}
static void mndDumpDbCfgInfo(SDbCfgRsp *cfgRsp, SDbObj *pDb) {
strcpy(cfgRsp->db, pDb->name);
cfgRsp->dbId = pDb->uid;
cfgRsp->cfgVersion = pDb->cfgVersion;
cfgRsp->numOfVgroups = pDb->cfg.numOfVgroups;
cfgRsp->numOfStables = pDb->cfg.numOfStables;
cfgRsp->buffer = pDb->cfg.buffer;
cfgRsp->cacheSize = pDb->cfg.cacheLastSize;
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->walFsyncPeriod = pDb->cfg.walFsyncPeriod;
cfgRsp->hashPrefix = pDb->cfg.hashPrefix;
cfgRsp->hashSuffix = pDb->cfg.hashSuffix;
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->cacheLast = pDb->cfg.cacheLast;
cfgRsp->tsdbPageSize = pDb->cfg.tsdbPageSize;
cfgRsp->walRetentionPeriod = pDb->cfg.walRetentionPeriod;
cfgRsp->walRollPeriod = pDb->cfg.walRollPeriod;
cfgRsp->walRetentionSize = pDb->cfg.walRetentionSize;
cfgRsp->walSegmentSize = pDb->cfg.walSegmentSize;
cfgRsp->numOfRetensions = pDb->cfg.numOfRetensions;
cfgRsp->pRetensions = pDb->cfg.pRetensions;
cfgRsp->schemaless = pDb->cfg.schemaless;
cfgRsp->sstTrigger = pDb->cfg.sstTrigger;
}
static int32_t mndProcessGetDbCfgReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
int32_t code = -1;
SDbObj *pDb = NULL;
SDbCfgReq cfgReq = {0};
SDbCfgRsp cfgRsp = {0};
if (tDeserializeSDbCfgReq(pReq->pCont, pReq->contLen, &cfgReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
if (strcasecmp(cfgReq.db, TSDB_INFORMATION_SCHEMA_DB) && strcasecmp(cfgReq.db, TSDB_PERFORMANCE_SCHEMA_DB)) {
pDb = mndAcquireDb(pMnode, cfgReq.db);
if (pDb == NULL) {
goto _OVER;
}
mndDumpDbCfgInfo(&cfgRsp, pDb);
}
int32_t contLen = tSerializeSDbCfgRsp(NULL, 0, &cfgRsp);
void *pRsp = rpcMallocCont(contLen);
if (pRsp == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
code = -1;
goto _OVER;
}
tSerializeSDbCfgRsp(pRsp, contLen, &cfgRsp);
pReq->info.rsp = pRsp;
pReq->info.rspLen = contLen;
code = 0;
_OVER:
if (code != 0) {
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;
}
(void)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;
}
(void)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) {
SVnodeGid *pVgid = pVgroup->vnodeGid + vn;
if (mndAddDropVnodeAction(pMnode, pTrans, pDb, pVgroup, pVgid, true) != 0) {
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, SRpcMsg *pReq, SDbObj *pDb) {
int32_t code = -1;
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB, pReq, "drop-db");
if (pTrans == NULL) {
goto _OVER;
}
mInfo("trans:%d start to drop db:%s", pTrans->id, pDb->name);
mndTransSetDbName(pTrans, pDb->name, NULL);
if (mndTrancCheckConflict(pMnode, pTrans) != 0) {
goto _OVER;
}
if (mndTopicExistsForDb(pMnode, pDb)) {
terrno = TSDB_CODE_MND_TOPIC_MUST_BE_DELETED;
goto _OVER;
}
if (mndSetDropDbRedoLogs(pMnode, pTrans, pDb) != 0) goto _OVER;
if (mndSetDropDbCommitLogs(pMnode, pTrans, pDb) != 0) goto _OVER;
/*if (mndDropOffsetByDB(pMnode, pTrans, pDb) != 0) goto _OVER;*/
/*if (mndDropSubByDB(pMnode, pTrans, pDb) != 0) goto _OVER;*/
/*if (mndDropTopicByDB(pMnode, pTrans, pDb) != 0) goto _OVER;*/
if (mndDropStreamByDb(pMnode, pTrans, pDb) != 0) goto _OVER;
if (mndDropSmasByDb(pMnode, pTrans, pDb) != 0) goto _OVER;
if (mndDropIdxsByDb(pMnode, pTrans, pDb) != 0) goto _OVER;
if (mndSetDropDbRedoActions(pMnode, pTrans, pDb) != 0) goto _OVER;
if (mndUserRemoveDb(pMnode, pTrans, pDb->name) != 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(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
int32_t code = -1;
SDbObj *pDb = NULL;
SDropDbReq dropReq = {0};
if (tDeserializeSDropDbReq(pReq->pCont, pReq->contLen, &dropReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
mInfo("db:%s, start to drop", dropReq.db);
pDb = mndAcquireDb(pMnode, dropReq.db);
if (pDb == NULL) {
if (dropReq.ignoreNotExists) {
code = mndBuildDropDbRsp(pDb, &pReq->info.rspLen, &pReq->info.rsp, true);
}
goto _OVER;
}
if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_DB, pDb) != 0) {
goto _OVER;
}
code = mndDropDb(pMnode, pReq, pDb);
if (code == TSDB_CODE_SUCCESS) {
code = TSDB_CODE_ACTION_IN_PROGRESS;
}
_OVER:
if (code != TSDB_CODE_SUCCESS && code != TSDB_CODE_ACTION_IN_PROGRESS) {
mError("db:%s, failed to drop since %s", dropReq.db, terrstr());
}
mndReleaseDb(pMnode, pDb);
return code;
}
static int32_t mndGetDBTableNum(SDbObj *pDb, SMnode *pMnode) {
int32_t numOfTables = 0;
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 (mndVgroupInDb(pVgroup, pDb->uid)) {
numOfTables += pVgroup->numOfTables / TSDB_TABLE_NUM_UNIT;
vindex++;
}
sdbRelease(pSdb, pVgroup);
}
sdbCancelFetch(pSdb, pIter);
return numOfTables;
}
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) && !pVgroup->isTsma) {
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->syncState == 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 = mndGetDBTableNum(pDb, pMnode);
if (pReq == NULL || pReq->vgVersion < pDb->vgVersion || pReq->dbId != pDb->uid || numOfTable != pReq->numOfTable ||
pReq->stateTs < pDb->stateTs) {
mndBuildDBVgroupInfo(pDb, pMnode, pRsp->pVgroupInfos);
}
memcpy(pRsp->db, pDb->name, TSDB_DB_FNAME_LEN);
pRsp->uid = pDb->uid;
pRsp->vgVersion = pDb->vgVersion;
pRsp->stateTs = pDb->stateTs;
pRsp->vgNum = taosArrayGetSize(pRsp->pVgroupInfos);
pRsp->hashMethod = pDb->cfg.hashMethod;
pRsp->hashPrefix = pDb->cfg.hashPrefix;
pRsp->hashSuffix = pDb->cfg.hashSuffix;
return 0;
}
static int32_t mndProcessUseDbReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
int32_t code = -1;
SDbObj *pDb = NULL;
SUseDbReq usedbReq = {0};
SUseDbRsp usedbRsp = {0};
if (tDeserializeSUseDbReq(pReq->pCont, pReq->contLen, &usedbReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _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) goto _OVER;
mndBuildDBVgroupInfo(NULL, pMnode, usedbRsp.pVgroupInfos);
usedbRsp.vgVersion = vgVersion++;
} else {
usedbRsp.vgVersion = usedbReq.vgVersion;
}
usedbRsp.vgNum = taosArrayGetSize(usedbRsp.pVgroupInfos);
code = 0;
} else {
pDb = mndAcquireDb(pMnode, usedbReq.db);
if (pDb == NULL) {
memcpy(usedbRsp.db, usedbReq.db, TSDB_DB_FNAME_LEN);
usedbRsp.uid = usedbReq.dbId;
usedbRsp.vgVersion = usedbReq.vgVersion;
usedbRsp.errCode = terrno;
if (terrno == TSDB_CODE_MND_DB_IN_CREATING) {
code = terrno;
goto _OVER;
}
} else {
if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_USE_DB, pDb) != 0) {
goto _OVER;
}
if (mndExtractDbInfo(pMnode, pDb, &usedbRsp, &usedbReq) < 0) {
goto _OVER;
}
mDebug("db:%s, process usedb req vgVersion:%d stateTs:%" PRId64 ", rsp vgVersion:%d stateTs:%" PRId64,
usedbReq.db, usedbReq.vgVersion, usedbReq.stateTs, usedbRsp.vgVersion, usedbRsp.stateTs);
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 _OVER;
}
tSerializeSUseDbRsp(pRsp, contLen, &usedbRsp);
pReq->info.rsp = pRsp;
pReq->info.rspLen = contLen;
_OVER:
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
mError("db:%s, failed to process use db req since %s", usedbReq.db, terrstr());
}
mndReleaseDb(pMnode, pDb);
tFreeSUsedbRsp(&usedbRsp);
return code;
}
int32_t mndValidateDbInfo(SMnode *pMnode, SDbCacheInfo *pDbs, int32_t numOfDbs, void **ppRsp, int32_t *pRspLen) {
SDbHbBatchRsp batchRsp = {0};
batchRsp.pArray = taosArrayInit(numOfDbs, sizeof(SDbHbRsp));
if (batchRsp.pArray == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
for (int32_t i = 0; i < numOfDbs; ++i) {
SDbCacheInfo *pDbCacheInfo = &pDbs[i];
pDbCacheInfo->dbId = be64toh(pDbCacheInfo->dbId);
pDbCacheInfo->vgVersion = htonl(pDbCacheInfo->vgVersion);
pDbCacheInfo->cfgVersion = htonl(pDbCacheInfo->cfgVersion);
pDbCacheInfo->numOfTable = htonl(pDbCacheInfo->numOfTable);
pDbCacheInfo->stateTs = be64toh(pDbCacheInfo->stateTs);
SDbHbRsp rsp = {0};
if ((0 == strcasecmp(pDbCacheInfo->dbFName, TSDB_INFORMATION_SCHEMA_DB) ||
(0 == strcasecmp(pDbCacheInfo->dbFName, TSDB_PERFORMANCE_SCHEMA_DB)))) {
int32_t vgVersion = mndGetGlobalVgroupVersion(pMnode);
if (pDbCacheInfo->vgVersion >= vgVersion) {
continue;
}
rsp.useDbRsp = taosMemoryCalloc(1, sizeof(SUseDbRsp));
memcpy(rsp.useDbRsp->db, pDbCacheInfo->dbFName, TSDB_DB_FNAME_LEN);
rsp.useDbRsp->pVgroupInfos = taosArrayInit(10, sizeof(SVgroupInfo));
mndBuildDBVgroupInfo(NULL, pMnode, rsp.useDbRsp->pVgroupInfos);
rsp.useDbRsp->vgVersion = vgVersion++;
rsp.useDbRsp->vgNum = taosArrayGetSize(rsp.useDbRsp->pVgroupInfos);
taosArrayPush(batchRsp.pArray, &rsp);
continue;
}
SDbObj *pDb = mndAcquireDb(pMnode, pDbCacheInfo->dbFName);
if (pDb == NULL) {
mTrace("db:%s, no exist", pDbCacheInfo->dbFName);
rsp.useDbRsp = taosMemoryCalloc(1, sizeof(SUseDbRsp));
memcpy(rsp.useDbRsp->db, pDbCacheInfo->dbFName, TSDB_DB_FNAME_LEN);
rsp.useDbRsp->uid = pDbCacheInfo->dbId;
rsp.useDbRsp->vgVersion = -1;
taosArrayPush(batchRsp.pArray, &rsp);
continue;
}
int32_t numOfTable = mndGetDBTableNum(pDb, pMnode);
if (pDbCacheInfo->vgVersion >= pDb->vgVersion &&
pDbCacheInfo->cfgVersion >= pDb->cfgVersion &&
numOfTable == pDbCacheInfo->numOfTable &&
pDbCacheInfo->stateTs == pDb->stateTs) {
mTrace("db:%s, valid dbinfo, vgVersion:%d cfgVersion:%d stateTs:%" PRId64
" numOfTables:%d, not changed vgVersion:%d cfgVersion:%d stateTs:%" PRId64 " numOfTables:%d",
pDbCacheInfo->dbFName, pDbCacheInfo->vgVersion, pDbCacheInfo->cfgVersion, pDbCacheInfo->stateTs, pDbCacheInfo->numOfTable,
pDb->vgVersion, pDb->cfgVersion, pDb->stateTs, numOfTable);
mndReleaseDb(pMnode, pDb);
continue;
} else {
mInfo("db:%s, valid dbinfo, vgVersion:%d cfgVersion:%d stateTs:%" PRId64
" numOfTables:%d, changed to vgVersion:%d cfgVersion:%d stateTs:%" PRId64 " numOfTables:%d",
pDbCacheInfo->dbFName, pDbCacheInfo->vgVersion, pDbCacheInfo->cfgVersion, pDbCacheInfo->stateTs, pDbCacheInfo->numOfTable,
pDb->vgVersion, pDb->cfgVersion, pDb->stateTs, numOfTable);
}
if (pDbCacheInfo->cfgVersion < pDb->cfgVersion) {
rsp.cfgRsp = taosMemoryCalloc(1, sizeof(SDbCfgRsp));
mndDumpDbCfgInfo(rsp.cfgRsp, pDb);
}
if (pDbCacheInfo->vgVersion < pDb->vgVersion ||
numOfTable != pDbCacheInfo->numOfTable ||
pDbCacheInfo->stateTs != pDb->stateTs) {
rsp.useDbRsp = taosMemoryCalloc(1, sizeof(SUseDbRsp));
rsp.useDbRsp->pVgroupInfos = taosArrayInit(pDb->cfg.numOfVgroups, sizeof(SVgroupInfo));
if (rsp.useDbRsp->pVgroupInfos == NULL) {
mndReleaseDb(pMnode, pDb);
mError("db:%s, failed to malloc usedb response", pDb->name);
continue;
}
mndBuildDBVgroupInfo(pDb, pMnode, rsp.useDbRsp->pVgroupInfos);
memcpy(rsp.useDbRsp->db, pDb->name, TSDB_DB_FNAME_LEN);
rsp.useDbRsp->uid = pDb->uid;
rsp.useDbRsp->vgVersion = pDb->vgVersion;
rsp.useDbRsp->stateTs = pDb->stateTs;
rsp.useDbRsp->vgNum = (int32_t)taosArrayGetSize(rsp.useDbRsp->pVgroupInfos);
rsp.useDbRsp->hashMethod = pDb->cfg.hashMethod;
rsp.useDbRsp->hashPrefix = pDb->cfg.hashPrefix;
rsp.useDbRsp->hashSuffix = pDb->cfg.hashSuffix;
}
taosArrayPush(batchRsp.pArray, &rsp);
mndReleaseDb(pMnode, pDb);
}
int32_t rspLen = tSerializeSDbHbBatchRsp(NULL, 0, &batchRsp);
void *pRsp = taosMemoryMalloc(rspLen);
if (pRsp == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tFreeSDbHbBatchRsp(&batchRsp);
return -1;
}
tSerializeSDbHbBatchRsp(pRsp, rspLen, &batchRsp);
*ppRsp = pRsp;
*pRspLen = rspLen;
tFreeSDbHbBatchRsp(&batchRsp);
return 0;
}
static int32_t mndTrimDb(SMnode *pMnode, SDbObj *pDb) {
SSdb *pSdb = pMnode->pSdb;
SVgObj *pVgroup = NULL;
void *pIter = NULL;
SVTrimDbReq trimReq = {.timestamp = taosGetTimestampSec()};
int32_t reqLen = tSerializeSVTrimDbReq(NULL, 0, &trimReq);
int32_t contLen = reqLen + sizeof(SMsgHead);
while (1) {
pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup);
if (pIter == NULL) break;
SMsgHead *pHead = rpcMallocCont(contLen);
if (pHead == NULL) {
sdbCancelFetch(pSdb, pVgroup);
sdbRelease(pSdb, pVgroup);
continue;
}
pHead->contLen = htonl(contLen);
pHead->vgId = htonl(pVgroup->vgId);
tSerializeSVTrimDbReq((char *)pHead + sizeof(SMsgHead), contLen, &trimReq);
SRpcMsg rpcMsg = {.msgType = TDMT_VND_TRIM, .pCont = pHead, .contLen = contLen};
SEpSet epSet = mndGetVgroupEpset(pMnode, pVgroup);
int32_t code = tmsgSendReq(&epSet, &rpcMsg);
if (code != 0) {
mError("vgId:%d, failed to send vnode-trim request to vnode since 0x%x", pVgroup->vgId, code);
} else {
mInfo("vgId:%d, send vnode-trim request to vnode, time:%d", pVgroup->vgId, trimReq.timestamp);
}
sdbRelease(pSdb, pVgroup);
}
return 0;
}
static int32_t mndProcessTrimDbReq(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
int32_t code = -1;
SDbObj *pDb = NULL;
STrimDbReq trimReq = {0};
if (tDeserializeSTrimDbReq(pReq->pCont, pReq->contLen, &trimReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
mInfo("db:%s, start to trim", trimReq.db);
pDb = mndAcquireDb(pMnode, trimReq.db);
if (pDb == NULL) {
goto _OVER;
}
if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_TRIM_DB, pDb) != 0) {
goto _OVER;
}
code = mndTrimDb(pMnode, pDb);
_OVER:
if (code != 0) {
mError("db:%s, failed to process trim db req since %s", trimReq.db, terrstr());
}
mndReleaseDb(pMnode, pDb);
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 int64_t getValOfDiffPrecision(int8_t unit, int64_t val) {
int64_t v = 0;
switch (unit) {
case 's':
v = val / 1000;
break;
case 'm':
v = val / tsTickPerMin[TSDB_TIME_PRECISION_MILLI];
break;
case 'h':
v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 60);
break;
case 'd':
v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 24 * 60);
break;
case 'w':
v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 24 * 60 * 7);
break;
default:
break;
}
return v;
}
static char *buildRetension(SArray *pRetension) {
size_t size = taosArrayGetSize(pRetension);
if (size == 0) {
return NULL;
}
char *p1 = taosMemoryCalloc(1, 100);
SRetention *p = taosArrayGet(pRetension, 0);
int32_t len = 2;
int64_t v1 = getValOfDiffPrecision(p->freqUnit, p->freq);
int64_t v2 = getValOfDiffPrecision(p->keepUnit, p->keep);
len += sprintf(p1 + len, "%" PRId64 "%c:%" PRId64 "%c", v1, p->freqUnit, v2, p->keepUnit);
if (size > 1) {
len += sprintf(p1 + len, ",");
p = taosArrayGet(pRetension, 1);
v1 = getValOfDiffPrecision(p->freqUnit, p->freq);
v2 = getValOfDiffPrecision(p->keepUnit, p->keep);
len += sprintf(p1 + len, "%" PRId64 "%c:%" PRId64 "%c", v1, p->freqUnit, v2, p->keepUnit);
}
if (size > 2) {
len += sprintf(p1 + len, ",");
p = taosArrayGet(pRetension, 2);
v1 = getValOfDiffPrecision(p->freqUnit, p->freq);
v2 = getValOfDiffPrecision(p->keepUnit, p->keep);
len += sprintf(p1 + len, "%" PRId64 "%c:%" PRId64 "%c", v1, p->freqUnit, v2, p->keepUnit);
}
varDataSetLen(p1, len);
return p1;
}
static const char *getCacheModelStr(int8_t cacheModel) {
switch (cacheModel) {
case TSDB_CACHE_MODEL_NONE:
return TSDB_CACHE_MODEL_NONE_STR;
case TSDB_CACHE_MODEL_LAST_ROW:
return TSDB_CACHE_MODEL_LAST_ROW_STR;
case TSDB_CACHE_MODEL_LAST_VALUE:
return TSDB_CACHE_MODEL_LAST_VALUE_STR;
case TSDB_CACHE_MODEL_BOTH:
return TSDB_CACHE_MODEL_BOTH_STR;
default:
break;
}
return "unknown";
}
bool mndIsDbReady(SMnode *pMnode, SDbObj *pDb) {
if (pDb->cfg.replications == 1) return true;
SSdb *pSdb = pMnode->pSdb;
void *pIter = NULL;
bool isReady = true;
while (1) {
SVgObj *pVgroup = NULL;
pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup);
if (pIter == NULL) break;
if (pVgroup->dbUid == pDb->uid && pVgroup->replica > 1) {
bool hasLeader = false;
for (int32_t i = 0; i < pVgroup->replica; ++i) {
if (pVgroup->vnodeGid[i].syncState == TAOS_SYNC_STATE_LEADER) {
hasLeader = true;
}
}
if (!hasLeader) isReady = false;
}
sdbRelease(pSdb, pVgroup);
}
return isReady;
}
static void mndDumpDbInfoData(SMnode *pMnode, SSDataBlock *pBlock, SDbObj *pDb, SShowObj *pShow, int32_t rows,
int64_t numOfTables, bool sysDb, ESdbStatus objStatus, bool sysinfo) {
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);
}
const char *precStr = NULL;
switch (pDb->cfg.precision) {
case TSDB_TIME_PRECISION_MILLI:
precStr = TSDB_TIME_PRECISION_MILLI_STR;
break;
case TSDB_TIME_PRECISION_MICRO:
precStr = TSDB_TIME_PRECISION_MICRO_STR;
break;
case TSDB_TIME_PRECISION_NANO:
precStr = TSDB_TIME_PRECISION_NANO_STR;
break;
default:
precStr = "none";
break;
}
char precVstr[10] = {0};
STR_WITH_MAXSIZE_TO_VARSTR(precVstr, precStr, 10);
char *statusStr = "ready";
if (objStatus == SDB_STATUS_CREATING) {
statusStr = "creating";
} else if (objStatus == SDB_STATUS_DROPPING) {
statusStr = "dropping";
} else {
if (!sysDb && !mndIsDbReady(pMnode, pDb)) {
statusStr = "unsynced";
}
}
char statusVstr[24] = {0};
STR_WITH_MAXSIZE_TO_VARSTR(statusVstr, statusStr, 24);
if (sysDb || !sysinfo) {
for (int32_t i = 0; i < pShow->numOfColumns; ++i) {
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, i);
if (i == 0) {
colDataSetVal(pColInfo, rows, buf, false);
} else if (i == 1) {
colDataSetVal(pColInfo, rows, (const char *)&pDb->createdTime, false);
} else if (i == 3) {
colDataSetVal(pColInfo, rows, (const char *)&numOfTables, false);
} else if (i == 14) {
colDataSetVal(pColInfo, rows, precVstr, false);
} else if (i == 15) {
colDataSetVal(pColInfo, rows, statusVstr, false);
} else {
colDataSetNULL(pColInfo, rows);
}
}
} else {
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, buf, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->createdTime, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.numOfVgroups, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&numOfTables, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.replications, false);
const char *strictStr = pDb->cfg.strict ? "on" : "off";
char strictVstr[24] = {0};
STR_WITH_MAXSIZE_TO_VARSTR(strictVstr, strictStr, 24);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)strictVstr, false);
char durationVstr[128] = {0};
int32_t len = sprintf(&durationVstr[VARSTR_HEADER_SIZE], "%dm", pDb->cfg.daysPerFile);
varDataSetLen(durationVstr, len);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)durationVstr, false);
char keepVstr[128] = {0};
if (pDb->cfg.daysToKeep0 > pDb->cfg.daysToKeep1 || pDb->cfg.daysToKeep0 > pDb->cfg.daysToKeep2) {
len = sprintf(&keepVstr[VARSTR_HEADER_SIZE], "%dm,%dm,%dm", pDb->cfg.daysToKeep1, pDb->cfg.daysToKeep2,
pDb->cfg.daysToKeep0);
} else {
len = sprintf(&keepVstr[VARSTR_HEADER_SIZE], "%dm,%dm,%dm", pDb->cfg.daysToKeep0, pDb->cfg.daysToKeep1,
pDb->cfg.daysToKeep2);
}
varDataSetLen(keepVstr, len);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)keepVstr, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.buffer, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.pageSize, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.pages, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.minRows, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.maxRows, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.compression, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)precVstr, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)statusVstr, false);
char *rentensionVstr = buildRetension(pDb->cfg.pRetensions);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
if (rentensionVstr == NULL) {
colDataSetNULL(pColInfo, rows);
} else {
colDataSetVal(pColInfo, rows, (const char *)rentensionVstr, false);
taosMemoryFree(rentensionVstr);
}
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.numOfStables, false);
const char *cacheModelStr = getCacheModelStr(pDb->cfg.cacheLast);
char cacheModelVstr[24] = {0};
STR_WITH_MAXSIZE_TO_VARSTR(cacheModelVstr, cacheModelStr, 24);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)cacheModelVstr, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.cacheLastSize, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.walLevel, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.walFsyncPeriod, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.walRetentionPeriod, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.walRetentionSize, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.walRollPeriod, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.walSegmentSize, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.sstTrigger, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
int16_t hashPrefix = pDb->cfg.hashPrefix;
if (hashPrefix > 0) {
hashPrefix = pDb->cfg.hashPrefix - strlen(pDb->name) - 1;
} else if (hashPrefix < 0) {
hashPrefix = pDb->cfg.hashPrefix + strlen(pDb->name) + 1;
}
colDataSetVal(pColInfo, rows, (const char *)&hashPrefix, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.hashSuffix, false);
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
colDataSetVal(pColInfo, rows, (const char *)&pDb->cfg.tsdbPageSize, false);
}
taosMemoryFree(buf);
}
static void setInformationSchemaDbCfg(SMnode *pMnode, SDbObj *pDbObj) {
tstrncpy(pDbObj->name, TSDB_INFORMATION_SCHEMA_DB, tListLen(pDbObj->name));
pDbObj->createdTime = mndGetClusterCreateTime(pMnode);
pDbObj->cfg.numOfVgroups = 0;
pDbObj->cfg.strict = 1;
pDbObj->cfg.replications = 1;
pDbObj->cfg.precision = TSDB_TIME_PRECISION_MILLI;
}
static void setPerfSchemaDbCfg(SMnode *pMnode, SDbObj *pDbObj) {
tstrncpy(pDbObj->name, TSDB_PERFORMANCE_SCHEMA_DB, tListLen(pDbObj->name));
pDbObj->createdTime = mndGetClusterCreateTime(pMnode);
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;
int64_t uid = *(int64_t *)p2;
if (pVgroup->dbUid == uid) {
*numOfTables += pVgroup->numOfTables;
}
return true;
}
static int32_t mndRetrieveDbs(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rowsCapacity) {
SMnode *pMnode = pReq->info.node;
SSdb *pSdb = pMnode->pSdb;
int32_t numOfRows = 0;
SDbObj *pDb = NULL;
ESdbStatus objStatus = 0;
SUserObj *pUser = mndAcquireUser(pMnode, pReq->info.conn.user);
if (pUser == NULL) return 0;
bool sysinfo = pUser->sysInfo;
// Append the information_schema database into the result.
if (!pShow->sysDbRsp) {
SDbObj infoschemaDb = {0};
setInformationSchemaDbCfg(pMnode, &infoschemaDb);
size_t numOfTables = 0;
getVisibleInfosTablesNum(sysinfo, &numOfTables);
mndDumpDbInfoData(pMnode, pBlock, &infoschemaDb, pShow, numOfRows, numOfTables, true, 0, 1);
numOfRows += 1;
SDbObj perfschemaDb = {0};
setPerfSchemaDbCfg(pMnode, &perfschemaDb);
numOfTables = 0;
getPerfDbMeta(NULL, &numOfTables);
mndDumpDbInfoData(pMnode, pBlock, &perfschemaDb, pShow, numOfRows, numOfTables, true, 0, 1);
numOfRows += 1;
pShow->sysDbRsp = true;
}
while (numOfRows < rowsCapacity) {
pShow->pIter = sdbFetchAll(pSdb, SDB_DB, pShow->pIter, (void **)&pDb, &objStatus, true);
if (pShow->pIter == NULL) break;
if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_READ_OR_WRITE_DB, pDb) == 0) {
int32_t numOfTables = 0;
sdbTraverse(pSdb, SDB_VGROUP, mndGetTablesOfDbFp, &numOfTables, &pDb->uid, NULL);
mndDumpDbInfoData(pMnode, pBlock, pDb, pShow, numOfRows, numOfTables, false, objStatus, sysinfo);
numOfRows++;
}
sdbRelease(pSdb, pDb);
}
pShow->numOfRows += numOfRows;
mndReleaseUser(pMnode, pUser);
return numOfRows;
}
static void mndCancelGetNextDb(SMnode *pMnode, void *pIter) {
SSdb *pSdb = pMnode->pSdb;
sdbCancelFetch(pSdb, pIter);
}