533 lines
16 KiB
C
533 lines
16 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define _DEFAULT_SOURCE
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#include "mndQnode.h"
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#include "mndDnode.h"
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#include "mndPrivilege.h"
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#include "mndShow.h"
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#include "mndTrans.h"
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#include "mndUser.h"
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#define QNODE_VER_NUMBER 1
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#define QNODE_RESERVE_SIZE 64
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static SSdbRaw *mndQnodeActionEncode(SQnodeObj *pObj);
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static SSdbRow *mndQnodeActionDecode(SSdbRaw *pRaw);
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static int32_t mndQnodeActionInsert(SSdb *pSdb, SQnodeObj *pObj);
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static int32_t mndQnodeActionUpdate(SSdb *pSdb, SQnodeObj *pOld, SQnodeObj *pNew);
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static int32_t mndQnodeActionDelete(SSdb *pSdb, SQnodeObj *pObj);
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static int32_t mndProcessCreateQnodeReq(SRpcMsg *pReq);
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static int32_t mndProcessDropQnodeReq(SRpcMsg *pReq);
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static int32_t mndProcessQnodeListReq(SRpcMsg *pReq);
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static int32_t mndRetrieveQnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
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static void mndCancelGetNextQnode(SMnode *pMnode, void *pIter);
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int32_t mndInitQnode(SMnode *pMnode) {
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SSdbTable table = {
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.sdbType = SDB_QNODE,
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.keyType = SDB_KEY_INT32,
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.encodeFp = (SdbEncodeFp)mndQnodeActionEncode,
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.decodeFp = (SdbDecodeFp)mndQnodeActionDecode,
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.insertFp = (SdbInsertFp)mndQnodeActionInsert,
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.updateFp = (SdbUpdateFp)mndQnodeActionUpdate,
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.deleteFp = (SdbDeleteFp)mndQnodeActionDelete,
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};
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mndSetMsgHandle(pMnode, TDMT_MND_CREATE_QNODE, mndProcessCreateQnodeReq);
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mndSetMsgHandle(pMnode, TDMT_MND_DROP_QNODE, mndProcessDropQnodeReq);
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mndSetMsgHandle(pMnode, TDMT_DND_CREATE_QNODE_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_DND_DROP_QNODE_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_MND_QNODE_LIST, mndProcessQnodeListReq);
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndRetrieveQnodes);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndCancelGetNextQnode);
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return sdbSetTable(pMnode->pSdb, table);
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}
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void mndCleanupQnode(SMnode *pMnode) {}
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SQnodeObj *mndAcquireQnode(SMnode *pMnode, int32_t qnodeId) {
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SQnodeObj *pObj = sdbAcquire(pMnode->pSdb, SDB_QNODE, &qnodeId);
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if (pObj == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
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terrno = TSDB_CODE_MND_QNODE_NOT_EXIST;
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}
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return pObj;
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}
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void mndReleaseQnode(SMnode *pMnode, SQnodeObj *pObj) {
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SSdb *pSdb = pMnode->pSdb;
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sdbRelease(pSdb, pObj);
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}
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static SSdbRaw *mndQnodeActionEncode(SQnodeObj *pObj) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRaw *pRaw = sdbAllocRaw(SDB_QNODE, QNODE_VER_NUMBER, sizeof(SQnodeObj) + QNODE_RESERVE_SIZE);
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if (pRaw == NULL) goto _OVER;
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int32_t dataPos = 0;
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SDB_SET_INT32(pRaw, dataPos, pObj->id, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pObj->createdTime, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pObj->updateTime, _OVER)
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SDB_SET_RESERVE(pRaw, dataPos, QNODE_RESERVE_SIZE, _OVER)
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terrno = 0;
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_OVER:
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if (terrno != 0) {
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mError("qnode:%d, failed to encode to raw:%p since %s", pObj->id, pRaw, terrstr());
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sdbFreeRaw(pRaw);
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return NULL;
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}
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mTrace("qnode:%d, encode to raw:%p, row:%p", pObj->id, pRaw, pObj);
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return pRaw;
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}
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static SSdbRow *mndQnodeActionDecode(SSdbRaw *pRaw) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRow *pRow = NULL;
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SQnodeObj *pObj = NULL;
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int8_t sver = 0;
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if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;
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if (sver != QNODE_VER_NUMBER) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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goto _OVER;
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}
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pRow = sdbAllocRow(sizeof(SQnodeObj));
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if (pRow == NULL) goto _OVER;
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pObj = sdbGetRowObj(pRow);
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if (pObj == NULL) goto _OVER;
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int32_t dataPos = 0;
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SDB_GET_INT32(pRaw, dataPos, &pObj->id, _OVER)
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SDB_GET_INT64(pRaw, dataPos, &pObj->createdTime, _OVER)
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SDB_GET_INT64(pRaw, dataPos, &pObj->updateTime, _OVER)
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SDB_GET_RESERVE(pRaw, dataPos, QNODE_RESERVE_SIZE, _OVER)
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terrno = 0;
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_OVER:
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if (terrno != 0) {
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mError("qnode:%d, failed to decode from raw:%p since %s", pObj == NULL ? 0 : pObj->id, pRaw, terrstr());
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taosMemoryFreeClear(pRow);
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return NULL;
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}
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mTrace("qnode:%d, decode from raw:%p, row:%p", pObj->id, pRaw, pObj);
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return pRow;
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}
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static int32_t mndQnodeActionInsert(SSdb *pSdb, SQnodeObj *pObj) {
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mTrace("qnode:%d, perform insert action, row:%p", pObj->id, pObj);
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pObj->pDnode = sdbAcquire(pSdb, SDB_DNODE, &pObj->id);
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if (pObj->pDnode == NULL) {
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terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
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mError("qnode:%d, failed to perform insert action since %s", pObj->id, terrstr());
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return -1;
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}
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return 0;
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}
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static int32_t mndQnodeActionDelete(SSdb *pSdb, SQnodeObj *pObj) {
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mTrace("qnode:%d, perform delete action, row:%p", pObj->id, pObj);
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if (pObj->pDnode != NULL) {
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sdbRelease(pSdb, pObj->pDnode);
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pObj->pDnode = NULL;
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}
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return 0;
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}
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static int32_t mndQnodeActionUpdate(SSdb *pSdb, SQnodeObj *pOld, SQnodeObj *pNew) {
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mTrace("qnode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);
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pOld->updateTime = pNew->updateTime;
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return 0;
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}
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static int32_t mndSetCreateQnodeRedoLogs(STrans *pTrans, SQnodeObj *pObj) {
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SSdbRaw *pRedoRaw = mndQnodeActionEncode(pObj);
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if (pRedoRaw == NULL) return -1;
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if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) return -1;
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if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING) != 0) return -1;
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return 0;
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}
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static int32_t mndSetCreateQnodeUndoLogs(STrans *pTrans, SQnodeObj *pObj) {
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SSdbRaw *pUndoRaw = mndQnodeActionEncode(pObj);
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if (pUndoRaw == NULL) return -1;
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if (mndTransAppendUndolog(pTrans, pUndoRaw) != 0) return -1;
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if (sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED) != 0) return -1;
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return 0;
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}
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static int32_t mndSetCreateQnodeCommitLogs(STrans *pTrans, SQnodeObj *pObj) {
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SSdbRaw *pCommitRaw = mndQnodeActionEncode(pObj);
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if (pCommitRaw == NULL) return -1;
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if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
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if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) return -1;
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return 0;
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}
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static int32_t mndSetCreateQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
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SDCreateQnodeReq createReq = {0};
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createReq.dnodeId = pDnode->id;
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int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &createReq);
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void *pReq = taosMemoryMalloc(contLen);
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if (pReq == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return -1;
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}
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tSerializeSCreateDropMQSNodeReq(pReq, contLen, &createReq);
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STransAction action = {0};
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action.epSet = mndGetDnodeEpset(pDnode);
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action.pCont = pReq;
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action.contLen = contLen;
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action.msgType = TDMT_DND_CREATE_QNODE;
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action.acceptableCode = TSDB_CODE_QNODE_ALREADY_DEPLOYED;
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if (mndTransAppendRedoAction(pTrans, &action) != 0) {
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taosMemoryFree(pReq);
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return -1;
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}
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return 0;
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}
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static int32_t mndSetCreateQnodeUndoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
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SDDropQnodeReq dropReq = {0};
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dropReq.dnodeId = pDnode->id;
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int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);
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void *pReq = taosMemoryMalloc(contLen);
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if (pReq == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return -1;
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}
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tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);
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STransAction action = {0};
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action.epSet = mndGetDnodeEpset(pDnode);
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action.pCont = pReq;
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action.contLen = contLen;
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action.msgType = TDMT_DND_DROP_QNODE;
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action.acceptableCode = TSDB_CODE_QNODE_NOT_DEPLOYED;
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if (mndTransAppendUndoAction(pTrans, &action) != 0) {
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taosMemoryFree(pReq);
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return -1;
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}
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return 0;
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}
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static int32_t mndCreateQnode(SMnode *pMnode, SRpcMsg *pReq, SDnodeObj *pDnode, SMCreateQnodeReq *pCreate) {
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int32_t code = -1;
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SQnodeObj qnodeObj = {0};
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qnodeObj.id = pDnode->id;
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qnodeObj.createdTime = taosGetTimestampMs();
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qnodeObj.updateTime = qnodeObj.createdTime;
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STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_NOTHING, pReq, "create-qnode");
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if (pTrans == NULL) goto _OVER;
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mInfo("trans:%d, used to create qnode:%d", pTrans->id, pCreate->dnodeId);
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if (mndSetCreateQnodeRedoLogs(pTrans, &qnodeObj) != 0) goto _OVER;
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if (mndSetCreateQnodeUndoLogs(pTrans, &qnodeObj) != 0) goto _OVER;
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if (mndSetCreateQnodeCommitLogs(pTrans, &qnodeObj) != 0) goto _OVER;
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if (mndSetCreateQnodeRedoActions(pTrans, pDnode, &qnodeObj) != 0) goto _OVER;
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if (mndSetCreateQnodeUndoActions(pTrans, pDnode, &qnodeObj) != 0) goto _OVER;
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if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;
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code = 0;
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_OVER:
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mndTransDrop(pTrans);
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return code;
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}
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static int32_t mndProcessCreateQnodeReq(SRpcMsg *pReq) {
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SMnode *pMnode = pReq->info.node;
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int32_t code = -1;
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SQnodeObj *pObj = NULL;
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SDnodeObj *pDnode = NULL;
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SMCreateQnodeReq createReq = {0};
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if (tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &createReq) != 0) {
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terrno = TSDB_CODE_INVALID_MSG;
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goto _OVER;
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}
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mInfo("qnode:%d, start to create", createReq.dnodeId);
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if (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_QNODE) != 0) {
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goto _OVER;
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}
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pObj = mndAcquireQnode(pMnode, createReq.dnodeId);
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if (pObj != NULL) {
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terrno = TSDB_CODE_MND_QNODE_ALREADY_EXIST;
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goto _OVER;
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} else if (terrno != TSDB_CODE_MND_QNODE_NOT_EXIST) {
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goto _OVER;
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}
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pDnode = mndAcquireDnode(pMnode, createReq.dnodeId);
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if (pDnode == NULL) {
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terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
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goto _OVER;
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}
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code = mndCreateQnode(pMnode, pReq, pDnode, &createReq);
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if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
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_OVER:
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if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
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mError("qnode:%d, failed to create since %s", createReq.dnodeId, terrstr());
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}
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mndReleaseQnode(pMnode, pObj);
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mndReleaseDnode(pMnode, pDnode);
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return code;
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}
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static int32_t mndSetDropQnodeRedoLogs(STrans *pTrans, SQnodeObj *pObj) {
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SSdbRaw *pRedoRaw = mndQnodeActionEncode(pObj);
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if (pRedoRaw == NULL) return -1;
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if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) return -1;
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if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING) != 0) return -1;
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return 0;
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}
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static int32_t mndSetDropQnodeCommitLogs(STrans *pTrans, SQnodeObj *pObj) {
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SSdbRaw *pCommitRaw = mndQnodeActionEncode(pObj);
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if (pCommitRaw == NULL) return -1;
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if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
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if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED) != 0) return -1;
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return 0;
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}
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static int32_t mndSetDropQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
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SDDropQnodeReq dropReq = {0};
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dropReq.dnodeId = pDnode->id;
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int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);
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void *pReq = taosMemoryMalloc(contLen);
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if (pReq == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return -1;
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}
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tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);
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STransAction action = {0};
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action.epSet = mndGetDnodeEpset(pDnode);
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action.pCont = pReq;
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action.contLen = contLen;
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action.msgType = TDMT_DND_DROP_QNODE;
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action.acceptableCode = TSDB_CODE_QNODE_NOT_DEPLOYED;
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if (mndTransAppendRedoAction(pTrans, &action) != 0) {
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taosMemoryFree(pReq);
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return -1;
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}
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return 0;
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}
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int32_t mndSetDropQnodeInfoToTrans(SMnode *pMnode, STrans *pTrans, SQnodeObj *pObj, bool force) {
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if (pObj == NULL) return 0;
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if (mndSetDropQnodeRedoLogs(pTrans, pObj) != 0) return -1;
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if (mndSetDropQnodeCommitLogs(pTrans, pObj) != 0) return -1;
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if (!force) {
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if (mndSetDropQnodeRedoActions(pTrans, pObj->pDnode, pObj) != 0) return -1;
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}
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return 0;
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}
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static int32_t mndDropQnode(SMnode *pMnode, SRpcMsg *pReq, SQnodeObj *pObj) {
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int32_t code = -1;
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STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_NOTHING, pReq, "drop-qnode");
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if (pTrans == NULL) goto _OVER;
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mInfo("trans:%d, used to drop qnode:%d", pTrans->id, pObj->id);
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if (mndSetDropQnodeInfoToTrans(pMnode, pTrans, pObj, false) != 0) goto _OVER;
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if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;
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code = 0;
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_OVER:
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mndTransDrop(pTrans);
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return code;
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}
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static int32_t mndProcessDropQnodeReq(SRpcMsg *pReq) {
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SMnode *pMnode = pReq->info.node;
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int32_t code = -1;
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SQnodeObj *pObj = NULL;
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SMDropQnodeReq dropReq = {0};
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if (tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &dropReq) != 0) {
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terrno = TSDB_CODE_INVALID_MSG;
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goto _OVER;
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}
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mInfo("qnode:%d, start to drop", dropReq.dnodeId);
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if (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_QNODE) != 0) {
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goto _OVER;
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}
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if (dropReq.dnodeId <= 0) {
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terrno = TSDB_CODE_INVALID_MSG;
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goto _OVER;
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}
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pObj = mndAcquireQnode(pMnode, dropReq.dnodeId);
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if (pObj == NULL) {
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goto _OVER;
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}
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code = mndDropQnode(pMnode, pReq, pObj);
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if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
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_OVER:
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if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
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mError("qnode:%d, failed to drop since %s", dropReq.dnodeId, terrstr());
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}
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mndReleaseQnode(pMnode, pObj);
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return code;
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}
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|
|
int32_t mndCreateQnodeList(SMnode *pMnode, SArray **pList, int32_t limit) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
SQnodeObj *pObj = NULL;
|
|
int32_t numOfRows = 0;
|
|
|
|
SArray *qnodeList = taosArrayInit(5, sizeof(SQueryNodeLoad));
|
|
if (NULL == qnodeList) {
|
|
mError("failed to alloc epSet while process qnode list req");
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return terrno;
|
|
}
|
|
|
|
while (1) {
|
|
pIter = sdbFetch(pSdb, SDB_QNODE, pIter, (void **)&pObj);
|
|
if (pIter == NULL) break;
|
|
|
|
SQueryNodeLoad nodeLoad = {0};
|
|
nodeLoad.addr.nodeId = QNODE_HANDLE;
|
|
nodeLoad.addr.epSet.numOfEps = 1;
|
|
tstrncpy(nodeLoad.addr.epSet.eps[0].fqdn, pObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
nodeLoad.addr.epSet.eps[0].port = pObj->pDnode->port;
|
|
nodeLoad.load = QNODE_LOAD_VALUE(pObj);
|
|
|
|
(void)taosArrayPush(qnodeList, &nodeLoad);
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pObj);
|
|
|
|
if (limit > 0 && numOfRows >= limit) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
*pList = qnodeList;
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t mndProcessQnodeListReq(SRpcMsg *pReq) {
|
|
int32_t code = -1;
|
|
SMnode *pMnode = pReq->info.node;
|
|
SQnodeListReq qlistReq = {0};
|
|
SQnodeListRsp qlistRsp = {0};
|
|
|
|
if (tDeserializeSQnodeListReq(pReq->pCont, pReq->contLen, &qlistReq) != 0) {
|
|
mError("failed to parse qnode list req");
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (mndCreateQnodeList(pMnode, &qlistRsp.qnodeList, qlistReq.rowNum) != 0) {
|
|
goto _OVER;
|
|
}
|
|
|
|
int32_t rspLen = tSerializeSQnodeListRsp(NULL, 0, &qlistRsp);
|
|
void *pRsp = rpcMallocCont(rspLen);
|
|
if (pRsp == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
goto _OVER;
|
|
}
|
|
|
|
tSerializeSQnodeListRsp(pRsp, rspLen, &qlistRsp);
|
|
|
|
pReq->info.rspLen = rspLen;
|
|
pReq->info.rsp = pRsp;
|
|
code = 0;
|
|
|
|
_OVER:
|
|
tFreeSQnodeListRsp(&qlistRsp);
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndRetrieveQnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
int32_t cols = 0;
|
|
SQnodeObj *pObj = NULL;
|
|
char *pWrite;
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_QNODE, pShow->pIter, (void **)&pObj);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
cols = 0;
|
|
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->id, false);
|
|
|
|
char ep[TSDB_EP_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(ep, pObj->pDnode->ep, pShow->pMeta->pSchemas[cols].bytes);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)ep, false);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->createdTime, false);
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pObj);
|
|
}
|
|
|
|
pShow->numOfRows += numOfRows;
|
|
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextQnode(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|