#4513

Committed 17 Jul 2025 02:02AM UTC coverage: 31.359% (-31.1%) from 62.446%

Build # #4513

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push

travis-ci

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web-flow

Commit Message

Merge pull request #31914 from taosdata/fix/3.0/compare-ans-failed

fix:Convert line endings from LF to CRLF for ans file

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4.95

/source/dnode/mnode/impl/src/mndQnode.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 "audit.h"
#include "mndDnode.h"
#include "mndPrivilege.h"
#include "mndQnode.h"
#include "mndShow.h"
#include "mndTrans.h"
#include "mndUser.h"

#define QNODE_VER_NUMBER   1
#define QNODE_RESERVE_SIZE 64

static SSdbRaw *mndQnodeActionEncode(SQnodeObj *pObj);
static SSdbRow *mndQnodeActionDecode(SSdbRaw *pRaw);
static int32_t  mndQnodeActionInsert(SSdb *pSdb, SQnodeObj *pObj);
static int32_t  mndQnodeActionUpdate(SSdb *pSdb, SQnodeObj *pOld, SQnodeObj *pNew);
static int32_t  mndQnodeActionDelete(SSdb *pSdb, SQnodeObj *pObj);
static int32_t  mndProcessCreateQnodeReq(SRpcMsg *pReq);
static int32_t  mndProcessDropQnodeReq(SRpcMsg *pReq);
static int32_t  mndProcessQnodeListReq(SRpcMsg *pReq);
static int32_t  mndRetrieveQnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
static void     mndCancelGetNextQnode(SMnode *pMnode, void *pIter);

int32_t mndInitQnode(SMnode *pMnode) {
  SSdbTable table = {
      .sdbType = SDB_QNODE,
      .keyType = SDB_KEY_INT32,
      .encodeFp = (SdbEncodeFp)mndQnodeActionEncode,
      .decodeFp = (SdbDecodeFp)mndQnodeActionDecode,
      .insertFp = (SdbInsertFp)mndQnodeActionInsert,
      .updateFp = (SdbUpdateFp)mndQnodeActionUpdate,
      .deleteFp = (SdbDeleteFp)mndQnodeActionDelete,
  };

  mndSetMsgHandle(pMnode, TDMT_MND_CREATE_QNODE, mndProcessCreateQnodeReq);
  mndSetMsgHandle(pMnode, TDMT_MND_DROP_QNODE, mndProcessDropQnodeReq);
  mndSetMsgHandle(pMnode, TDMT_DND_CREATE_QNODE_RSP, mndTransProcessRsp);
  mndSetMsgHandle(pMnode, TDMT_DND_DROP_QNODE_RSP, mndTransProcessRsp);
  mndSetMsgHandle(pMnode, TDMT_MND_QNODE_LIST, mndProcessQnodeListReq);

  mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndRetrieveQnodes);
  mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndCancelGetNextQnode);

  return sdbSetTable(pMnode->pSdb, table);
}

void mndCleanupQnode(SMnode *pMnode) {}

SQnodeObj *mndAcquireQnode(SMnode *pMnode, int32_t qnodeId) {
  SQnodeObj *pObj = sdbAcquire(pMnode->pSdb, SDB_QNODE, &qnodeId);
  if (pObj == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
    terrno = TSDB_CODE_MND_QNODE_NOT_EXIST;
  }
  return pObj;
}

void mndReleaseQnode(SMnode *pMnode, SQnodeObj *pObj) {
  SSdb *pSdb = pMnode->pSdb;
  sdbRelease(pSdb, pObj);
}

static SSdbRaw *mndQnodeActionEncode(SQnodeObj *pObj) {
  int32_t code = 0;
  int32_t lino = 0;
  terrno = TSDB_CODE_OUT_OF_MEMORY;

  SSdbRaw *pRaw = sdbAllocRaw(SDB_QNODE, QNODE_VER_NUMBER, sizeof(SQnodeObj) + QNODE_RESERVE_SIZE);
  if (pRaw == NULL) goto _OVER;

  int32_t dataPos = 0;
  SDB_SET_INT32(pRaw, dataPos, pObj->id, _OVER)
  SDB_SET_INT64(pRaw, dataPos, pObj->createdTime, _OVER)
  SDB_SET_INT64(pRaw, dataPos, pObj->updateTime, _OVER)
  SDB_SET_RESERVE(pRaw, dataPos, QNODE_RESERVE_SIZE, _OVER)

  terrno = 0;

_OVER:
  if (terrno != 0) {
    mError("qnode:%d, failed to encode to raw:%p since %s", pObj->id, pRaw, terrstr());
    sdbFreeRaw(pRaw);
    return NULL;
  }

  mTrace("qnode:%d, encode to raw:%p, row:%p", pObj->id, pRaw, pObj);
  return pRaw;
}

static SSdbRow *mndQnodeActionDecode(SSdbRaw *pRaw) {
  int32_t code = 0;
  int32_t lino = 0;
  terrno = TSDB_CODE_OUT_OF_MEMORY;
  SSdbRow   *pRow = NULL;
  SQnodeObj *pObj = NULL;

  int8_t sver = 0;
  if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;

  if (sver != QNODE_VER_NUMBER) {
    terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
    goto _OVER;
  }

  pRow = sdbAllocRow(sizeof(SQnodeObj));
  if (pRow == NULL) goto _OVER;

  pObj = sdbGetRowObj(pRow);
  if (pObj == NULL) goto _OVER;

  int32_t dataPos = 0;
  SDB_GET_INT32(pRaw, dataPos, &pObj->id, _OVER)
  SDB_GET_INT64(pRaw, dataPos, &pObj->createdTime, _OVER)
  SDB_GET_INT64(pRaw, dataPos, &pObj->updateTime, _OVER)
  SDB_GET_RESERVE(pRaw, dataPos, QNODE_RESERVE_SIZE, _OVER)

  terrno = 0;

_OVER:
  if (terrno != 0) {
    mError("qnode:%d, failed to decode from raw:%p since %s", pObj == NULL ? 0 : pObj->id, pRaw, terrstr());
    taosMemoryFreeClear(pRow);
    return NULL;
  }

  mTrace("qnode:%d, decode from raw:%p, row:%p", pObj->id, pRaw, pObj);
  return pRow;
}

static int32_t mndQnodeActionInsert(SSdb *pSdb, SQnodeObj *pObj) {
  int32_t code = 0;
  mTrace("qnode:%d, perform insert action, row:%p", pObj->id, pObj);
  pObj->pDnode = sdbAcquire(pSdb, SDB_DNODE, &pObj->id);
  if (pObj->pDnode == NULL) {
    code = TSDB_CODE_MND_DNODE_NOT_EXIST;
    mError("qnode:%d, failed to perform insert action since %s", pObj->id, terrstr());
    TAOS_RETURN(code);
  }

  TAOS_RETURN(code);
}

static int32_t mndQnodeActionDelete(SSdb *pSdb, SQnodeObj *pObj) {
  mTrace("qnode:%d, perform delete action, row:%p", pObj->id, pObj);
  if (pObj->pDnode != NULL) {
    sdbRelease(pSdb, pObj->pDnode);
    pObj->pDnode = NULL;
  }

  return 0;
}

static int32_t mndQnodeActionUpdate(SSdb *pSdb, SQnodeObj *pOld, SQnodeObj *pNew) {
  mTrace("qnode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);
  pOld->updateTime = pNew->updateTime;
  return 0;
}

static int32_t mndSetCreateQnodeRedoLogs(STrans *pTrans, SQnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pRedoRaw = mndQnodeActionEncode(pObj);
  if (pRedoRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING));
  TAOS_RETURN(code);
}

static int32_t mndSetCreateQnodeUndoLogs(STrans *pTrans, SQnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pUndoRaw = mndQnodeActionEncode(pObj);
  if (pUndoRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendUndolog(pTrans, pUndoRaw));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED));
  TAOS_RETURN(code);
}

int32_t mndSetCreateQnodeCommitLogs(STrans *pTrans, SQnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pCommitRaw = mndQnodeActionEncode(pObj);
  if (pCommitRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendCommitlog(pTrans, pCommitRaw));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY));
  TAOS_RETURN(code);
}

bool mndQnodeInDnode(SQnodeObj *pQnode, int32_t dnodeId) { return pQnode->pDnode->id == dnodeId; }

int32_t mndSetCreateQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
  int32_t          code = 0;
  SDCreateQnodeReq createReq = {0};
  createReq.dnodeId = pDnode->id;

  int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &createReq);
  void   *pReq = taosMemoryMalloc(contLen);
  if (pReq == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    return -1;
  }
  code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &createReq);
  if (code < 0) {
    mError("qnode:%d, failed to serialize create drop qnode request since %s", createReq.dnodeId, terrstr());
  }
  STransAction action = {0};
  action.epSet = mndGetDnodeEpset(pDnode);
  action.pCont = pReq;
  action.contLen = contLen;
  action.msgType = TDMT_DND_CREATE_QNODE;
  action.acceptableCode = TSDB_CODE_QNODE_ALREADY_DEPLOYED;
  action.groupId = -1;

  if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
    taosMemoryFree(pReq);
    TAOS_RETURN(code);
  }

  TAOS_RETURN(code);
}

static int32_t mndSetCreateQnodeUndoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
  int32_t        code = 0;
  SDDropQnodeReq dropReq = {0};
  dropReq.dnodeId = pDnode->id;

  int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);
  void   *pReq = taosMemoryMalloc(contLen);
  if (pReq == NULL) {
    code = terrno;
    TAOS_RETURN(code);
  }
  code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);
  if (code < 0) {
    mError("qnode:%d, failed to serialize create drop qnode request since %s", dropReq.dnodeId, terrstr());
  }

  STransAction action = {0};
  action.epSet = mndGetDnodeEpset(pDnode);
  action.pCont = pReq;
  action.contLen = contLen;
  action.msgType = TDMT_DND_DROP_QNODE;
  action.acceptableCode = TSDB_CODE_QNODE_NOT_DEPLOYED;

  if ((code = mndTransAppendUndoAction(pTrans, &action)) != 0) {
    taosMemoryFree(pReq);
    TAOS_RETURN(code);
  }

  TAOS_RETURN(code);
}

static int32_t mndCreateQnode(SMnode *pMnode, SRpcMsg *pReq, SDnodeObj *pDnode, SMCreateQnodeReq *pCreate) {
  int32_t code = -1;

  SQnodeObj qnodeObj = {0};
  qnodeObj.id = pDnode->id;
  qnodeObj.createdTime = taosGetTimestampMs();
  qnodeObj.updateTime = qnodeObj.createdTime;

  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_NOTHING, pReq, "create-qnode");
  if (pTrans == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    goto _OVER;
  }
  mndTransSetSerial(pTrans);

  mInfo("trans:%d, used to create qnode:%d", pTrans->id, pCreate->dnodeId);
  TAOS_CHECK_GOTO(mndSetCreateQnodeRedoLogs(pTrans, &qnodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndSetCreateQnodeUndoLogs(pTrans, &qnodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndSetCreateQnodeCommitLogs(pTrans, &qnodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndSetCreateQnodeRedoActions(pTrans, pDnode, &qnodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndSetCreateQnodeUndoActions(pTrans, pDnode, &qnodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);

  code = 0;

_OVER:
  mndTransDrop(pTrans);
  TAOS_RETURN(code);
}

static int32_t mndProcessCreateQnodeReq(SRpcMsg *pReq) {
  SMnode          *pMnode = pReq->info.node;
  int32_t          code = -1;
  SQnodeObj       *pObj = NULL;
  SDnodeObj       *pDnode = NULL;
  SMCreateQnodeReq createReq = {0};

  TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &createReq), NULL, _OVER);

  mInfo("qnode:%d, start to create", createReq.dnodeId);
  TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_QNODE), NULL, _OVER);

  pObj = mndAcquireQnode(pMnode, createReq.dnodeId);
  if (pObj != NULL) {
    code = TSDB_CODE_MND_QNODE_ALREADY_EXIST;
    goto _OVER;
  } else if (terrno != TSDB_CODE_MND_QNODE_NOT_EXIST) {
    goto _OVER;
  }

  pDnode = mndAcquireDnode(pMnode, createReq.dnodeId);
  if (pDnode == NULL) {
    code = TSDB_CODE_MND_DNODE_NOT_EXIST;
    goto _OVER;
  }

  code = mndCreateQnode(pMnode, pReq, pDnode, &createReq);
  if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;

  char obj[33] = {0};
  (void)tsnprintf(obj, sizeof(obj), "%d", createReq.dnodeId);

  auditRecord(pReq, pMnode->clusterId, "createQnode", "", obj, createReq.sql, createReq.sqlLen);
_OVER:
  if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
    mError("qnode:%d, failed to create since %s", createReq.dnodeId, terrstr());
  }

  mndReleaseQnode(pMnode, pObj);
  mndReleaseDnode(pMnode, pDnode);
  tFreeSMCreateQnodeReq(&createReq);
  TAOS_RETURN(code);
}

static int32_t mndSetDropQnodeRedoLogs(STrans *pTrans, SQnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pRedoRaw = mndQnodeActionEncode(pObj);
  if (pRedoRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendGroupRedolog(pTrans, pRedoRaw, -1));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING));
  TAOS_RETURN(code);
}

static int32_t mndSetDropQnodeCommitLogs(STrans *pTrans, SQnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pCommitRaw = mndQnodeActionEncode(pObj);
  if (pCommitRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  if (mndTransAppendCommitlog(pTrans, pCommitRaw))
    ;
  if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED))
    ;
  TAOS_RETURN(code);
}

static int32_t mndSetDropQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
  int32_t        code = 0;
  SDDropQnodeReq dropReq = {0};
  dropReq.dnodeId = pDnode->id;

  int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);
  void   *pReq = taosMemoryMalloc(contLen);
  if (pReq == NULL) {
    code = terrno;
    TAOS_RETURN(code);
  }
  code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);
  if (code < 0) {
    mError("qnode:%d, failed to serialize create drop qnode request since %s", dropReq.dnodeId, terrstr());
  }

  STransAction action = {0};
  action.epSet = mndGetDnodeEpset(pDnode);
  action.pCont = pReq;
  action.contLen = contLen;
  action.msgType = TDMT_DND_DROP_QNODE;
  action.acceptableCode = TSDB_CODE_QNODE_NOT_DEPLOYED;
  action.groupId = -1;

  if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
    taosMemoryFree(pReq);
    TAOS_RETURN(code);
  }

  TAOS_RETURN(code);
}

int32_t mndSetDropQnodeInfoToTrans(SMnode *pMnode, STrans *pTrans, SQnodeObj *pObj, bool force) {
  if (pObj == NULL) return 0;
  TAOS_CHECK_RETURN(mndSetDropQnodeRedoLogs(pTrans, pObj));
  TAOS_CHECK_RETURN(mndSetDropQnodeCommitLogs(pTrans, pObj));
  if (!force) {
    TAOS_CHECK_RETURN(mndSetDropQnodeRedoActions(pTrans, pObj->pDnode, pObj));
  }
  return 0;
}

static int32_t mndDropQnode(SMnode *pMnode, SRpcMsg *pReq, SQnodeObj *pObj) {
  int32_t code = -1;

  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_NOTHING, pReq, "drop-qnode");
  if (pTrans == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    goto _OVER;
  }
  mndTransSetSerial(pTrans);

  mInfo("trans:%d, used to drop qnode:%d", pTrans->id, pObj->id);
  TAOS_CHECK_GOTO(mndSetDropQnodeInfoToTrans(pMnode, pTrans, pObj, false), NULL, _OVER);
  TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);

  code = 0;

_OVER:
  mndTransDrop(pTrans);
  TAOS_RETURN(code);
}

static int32_t mndProcessDropQnodeReq(SRpcMsg *pReq) {
  SMnode        *pMnode = pReq->info.node;
  int32_t        code = -1;
  SQnodeObj     *pObj = NULL;
  SMDropQnodeReq dropReq = {0};

  TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &dropReq), NULL, _OVER);

  mInfo("qnode:%d, start to drop", dropReq.dnodeId);
  TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_QNODE), NULL, _OVER);

  if (dropReq.dnodeId <= 0) {
    code = TSDB_CODE_INVALID_MSG;
    goto _OVER;
  }

  pObj = mndAcquireQnode(pMnode, dropReq.dnodeId);
  if (pObj == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    goto _OVER;
  }

  code = mndDropQnode(pMnode, pReq, pObj);
  if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;

  char obj[33] = {0};
  (void)tsnprintf(obj, sizeof(obj), "%d", dropReq.dnodeId);

  auditRecord(pReq, pMnode->clusterId, "dropQnode", "", obj, dropReq.sql, dropReq.sqlLen);

_OVER:
  if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
    mError("qnode:%d, failed to drop since %s", dropReq.dnodeId, terrstr());
  }

  mndReleaseQnode(pMnode, pObj);
  tFreeSDDropQnodeReq(&dropReq);
  TAOS_RETURN(code);
}

int32_t mndCreateQnodeList(SMnode *pMnode, SArray **pList, int32_t limit) {
  int32_t    code = 0;
  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");
    code = terrno;
    TAOS_RETURN(code);
  }

  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);

    if (taosArrayPush(qnodeList, &nodeLoad) == NULL) {
      sdbRelease(pSdb, pObj);
      sdbCancelFetch(pSdb, pIter);
      if (terrno != 0) code = terrno;
      return code;
    }

    numOfRows++;
    sdbRelease(pSdb, pObj);

    if (limit > 0 && numOfRows >= limit) {
      sdbCancelFetch(pSdb, pIter);
      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};

  TAOS_CHECK_GOTO(tDeserializeSQnodeListReq(pReq->pCont, pReq->contLen, &qlistReq), NULL, _OVER);

  TAOS_CHECK_GOTO(mndCreateQnodeList(pMnode, &qlistRsp.qnodeList, qlistReq.rowNum), NULL, _OVER);

  int32_t rspLen = tSerializeSQnodeListRsp(NULL, 0, &qlistRsp);
  void   *pRsp = rpcMallocCont(rspLen);
  if (pRsp == NULL) {
    code = terrno;
    goto _OVER;
  }

  code = tSerializeSQnodeListRsp(pRsp, rspLen, &qlistRsp);
  if (code < 0) {
    mError("failed to serialize qnode list response since %s", terrstr());
  }

  pReq->info.rspLen = rspLen;
  pReq->info.rsp = pRsp;
  code = 0;

_OVER:
  tFreeSQnodeListRsp(&qlistRsp);
  TAOS_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++);
    TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->id, false), pSdb, pObj);

    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++);
    TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)ep, false), pSdb, pObj);

    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
    TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->createdTime, false), pSdb,
                                   pObj);

    numOfRows++;
    sdbRelease(pSdb, pObj);
  }

  pShow->numOfRows += numOfRows;

  return numOfRows;
}

static void mndCancelGetNextQnode(SMnode *pMnode, void *pIter) {
  SSdb *pSdb = pMnode->pSdb;
  sdbCancelFetchByType(pSdb, pIter, SDB_QNODE);
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#define _DEFAULT_SOURCE
17	#include "audit.h"
18	#include "mndDnode.h"
19	#include "mndPrivilege.h"
20	#include "mndQnode.h"
21	#include "mndShow.h"
22	#include "mndTrans.h"
23	#include "mndUser.h"
24
25	#define QNODE_VER_NUMBER 1
26	#define QNODE_RESERVE_SIZE 64
27
28	static SSdbRaw mndQnodeActionEncode(SQnodeObj pObj);
29	static SSdbRow mndQnodeActionDecode(SSdbRaw pRaw);
30	static int32_t mndQnodeActionInsert(SSdb pSdb, SQnodeObj pObj);
31	static int32_t mndQnodeActionUpdate(SSdb pSdb, SQnodeObj pOld, SQnodeObj *pNew);
32	static int32_t mndQnodeActionDelete(SSdb pSdb, SQnodeObj pObj);
33	static int32_t mndProcessCreateQnodeReq(SRpcMsg *pReq);
34	static int32_t mndProcessDropQnodeReq(SRpcMsg *pReq);
35	static int32_t mndProcessQnodeListReq(SRpcMsg *pReq);
36	static int32_t mndRetrieveQnodes(SRpcMsg pReq, SShowObj pShow, SSDataBlock *pBlock, int32_t rows);
37	static void mndCancelGetNextQnode(SMnode pMnode, void pIter);
38
39	int32_t mndInitQnode(SMnode *pMnode) {	15✔
40	SSdbTable table = {	15✔
41	.sdbType = SDB_QNODE,
42	.keyType = SDB_KEY_INT32,
43	.encodeFp = (SdbEncodeFp)mndQnodeActionEncode,
44	.decodeFp = (SdbDecodeFp)mndQnodeActionDecode,
45	.insertFp = (SdbInsertFp)mndQnodeActionInsert,
46	.updateFp = (SdbUpdateFp)mndQnodeActionUpdate,
47	.deleteFp = (SdbDeleteFp)mndQnodeActionDelete,
48	};
49
50	mndSetMsgHandle(pMnode, TDMT_MND_CREATE_QNODE, mndProcessCreateQnodeReq);	15✔
51	mndSetMsgHandle(pMnode, TDMT_MND_DROP_QNODE, mndProcessDropQnodeReq);	15✔
52	mndSetMsgHandle(pMnode, TDMT_DND_CREATE_QNODE_RSP, mndTransProcessRsp);	15✔
53	mndSetMsgHandle(pMnode, TDMT_DND_DROP_QNODE_RSP, mndTransProcessRsp);	15✔
54	mndSetMsgHandle(pMnode, TDMT_MND_QNODE_LIST, mndProcessQnodeListReq);	15✔
55
56	mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndRetrieveQnodes);	15✔
57	mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_QNODE, mndCancelGetNextQnode);	15✔
58
59	return sdbSetTable(pMnode->pSdb, table);	15✔
60	}
61
62	void mndCleanupQnode(SMnode *pMnode) {}	15✔
63
64	SQnodeObj mndAcquireQnode(SMnode pMnode, int32_t qnodeId) {	161✔
65	SQnodeObj *pObj = sdbAcquire(pMnode->pSdb, SDB_QNODE, &qnodeId);	161✔
66	if (pObj == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {	161!
67	terrno = TSDB_CODE_MND_QNODE_NOT_EXIST;	161✔
68	}
69	return pObj;	161✔
70	}
71
72	void mndReleaseQnode(SMnode pMnode, SQnodeObj pObj) {	×
73	SSdb *pSdb = pMnode->pSdb;	×
74	sdbRelease(pSdb, pObj);	×
75	}	×
76
77	static SSdbRaw mndQnodeActionEncode(SQnodeObj pObj) {	×
78	int32_t code = 0;	×
79	int32_t lino = 0;	×
80	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
81
82	SSdbRaw *pRaw = sdbAllocRaw(SDB_QNODE, QNODE_VER_NUMBER, sizeof(SQnodeObj) + QNODE_RESERVE_SIZE);	×
83	if (pRaw == NULL) goto _OVER;	×
84
85	int32_t dataPos = 0;	×
86	SDB_SET_INT32(pRaw, dataPos, pObj->id, _OVER)	×
87	SDB_SET_INT64(pRaw, dataPos, pObj->createdTime, _OVER)	×
88	SDB_SET_INT64(pRaw, dataPos, pObj->updateTime, _OVER)	×
89	SDB_SET_RESERVE(pRaw, dataPos, QNODE_RESERVE_SIZE, _OVER)	×
90
91	terrno = 0;	×
92
93	_OVER:	×
94	if (terrno != 0) {	×
95	mError("qnode:%d, failed to encode to raw:%p since %s", pObj->id, pRaw, terrstr());	×
96	sdbFreeRaw(pRaw);	×
97	return NULL;	×
98	}
99
100	mTrace("qnode:%d, encode to raw:%p, row:%p", pObj->id, pRaw, pObj);	×
101	return pRaw;	×
102	}
103
104	static SSdbRow mndQnodeActionDecode(SSdbRaw pRaw) {	×
105	int32_t code = 0;	×
106	int32_t lino = 0;	×
107	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
108	SSdbRow *pRow = NULL;	×
109	SQnodeObj *pObj = NULL;	×
110
111	int8_t sver = 0;	×
112	if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;	×
113
114	if (sver != QNODE_VER_NUMBER) {	×
115	terrno = TSDB_CODE_SDB_INVALID_DATA_VER;	×
116	goto _OVER;	×
117	}
118
119	pRow = sdbAllocRow(sizeof(SQnodeObj));	×
120	if (pRow == NULL) goto _OVER;	×
121
122	pObj = sdbGetRowObj(pRow);	×
123	if (pObj == NULL) goto _OVER;	×
124
125	int32_t dataPos = 0;	×
126	SDB_GET_INT32(pRaw, dataPos, &pObj->id, _OVER)	×
127	SDB_GET_INT64(pRaw, dataPos, &pObj->createdTime, _OVER)	×
128	SDB_GET_INT64(pRaw, dataPos, &pObj->updateTime, _OVER)	×
129	SDB_GET_RESERVE(pRaw, dataPos, QNODE_RESERVE_SIZE, _OVER)	×
130
131	terrno = 0;	×
132
133	_OVER:	×
134	if (terrno != 0) {	×
135	mError("qnode:%d, failed to decode from raw:%p since %s", pObj == NULL ? 0 : pObj->id, pRaw, terrstr());	×
136	taosMemoryFreeClear(pRow);	×
137	return NULL;	×
138	}
139
140	mTrace("qnode:%d, decode from raw:%p, row:%p", pObj->id, pRaw, pObj);	×
141	return pRow;	×
142	}
143
144	static int32_t mndQnodeActionInsert(SSdb pSdb, SQnodeObj pObj) {	×
145	int32_t code = 0;	×
146	mTrace("qnode:%d, perform insert action, row:%p", pObj->id, pObj);	×
147	pObj->pDnode = sdbAcquire(pSdb, SDB_DNODE, &pObj->id);	×
148	if (pObj->pDnode == NULL) {	×
149	code = TSDB_CODE_MND_DNODE_NOT_EXIST;	×
150	mError("qnode:%d, failed to perform insert action since %s", pObj->id, terrstr());	×
151	TAOS_RETURN(code);	×
152	}
153
154	TAOS_RETURN(code);	×
155	}
156
157	static int32_t mndQnodeActionDelete(SSdb pSdb, SQnodeObj pObj) {	×
158	mTrace("qnode:%d, perform delete action, row:%p", pObj->id, pObj);	×
159	if (pObj->pDnode != NULL) {	×
160	sdbRelease(pSdb, pObj->pDnode);	×
161	pObj->pDnode = NULL;	×
162	}
163
164	return 0;	×
165	}
166
167	static int32_t mndQnodeActionUpdate(SSdb pSdb, SQnodeObj pOld, SQnodeObj *pNew) {	×
168	mTrace("qnode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);	×
169	pOld->updateTime = pNew->updateTime;	×
170	return 0;	×
171	}
172
173	static int32_t mndSetCreateQnodeRedoLogs(STrans pTrans, SQnodeObj pObj) {	×
174	int32_t code = 0;	×
175	SSdbRaw *pRedoRaw = mndQnodeActionEncode(pObj);	×
176	if (pRedoRaw == NULL) {	×
177	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
178	if (terrno != 0) code = terrno;	×
179	TAOS_RETURN(code);	×
180	}
181	TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));	×
182	TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING));	×
183	TAOS_RETURN(code);	×
184	}
185
186	static int32_t mndSetCreateQnodeUndoLogs(STrans pTrans, SQnodeObj pObj) {	×
187	int32_t code = 0;	×
188	SSdbRaw *pUndoRaw = mndQnodeActionEncode(pObj);	×
189	if (pUndoRaw == NULL) {	×
190	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
191	if (terrno != 0) code = terrno;	×
192	TAOS_RETURN(code);	×
193	}
194	TAOS_CHECK_RETURN(mndTransAppendUndolog(pTrans, pUndoRaw));	×
195	TAOS_CHECK_RETURN(sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED));	×
196	TAOS_RETURN(code);	×
197	}
198
199	int32_t mndSetCreateQnodeCommitLogs(STrans pTrans, SQnodeObj pObj) {	×
200	int32_t code = 0;	×
201	SSdbRaw *pCommitRaw = mndQnodeActionEncode(pObj);	×
202	if (pCommitRaw == NULL) {	×
203	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
204	if (terrno != 0) code = terrno;	×
205	TAOS_RETURN(code);	×
206	}
207	TAOS_CHECK_RETURN(mndTransAppendCommitlog(pTrans, pCommitRaw));	×
208	TAOS_CHECK_RETURN(sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY));	×
209	TAOS_RETURN(code);	×
210	}
211
212	bool mndQnodeInDnode(SQnodeObj *pQnode, int32_t dnodeId) { return pQnode->pDnode->id == dnodeId; }	×
213
214	int32_t mndSetCreateQnodeRedoActions(STrans pTrans, SDnodeObj pDnode, SQnodeObj *pObj) {	×
215	int32_t code = 0;	×
216	SDCreateQnodeReq createReq = {0};	×
217	createReq.dnodeId = pDnode->id;	×
218
219	int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &createReq);	×
220	void *pReq = taosMemoryMalloc(contLen);	×
221	if (pReq == NULL) {	×
222	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
223	return -1;	×
224	}
225	code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &createReq);	×
226	if (code < 0) {	×
227	mError("qnode:%d, failed to serialize create drop qnode request since %s", createReq.dnodeId, terrstr());	×
228	}
229	STransAction action = {0};	×
230	action.epSet = mndGetDnodeEpset(pDnode);	×
231	action.pCont = pReq;	×
232	action.contLen = contLen;	×
233	action.msgType = TDMT_DND_CREATE_QNODE;	×
234	action.acceptableCode = TSDB_CODE_QNODE_ALREADY_DEPLOYED;	×
235	action.groupId = -1;	×
236
237	if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {	×
238	taosMemoryFree(pReq);	×
239	TAOS_RETURN(code);	×
240	}
241
242	TAOS_RETURN(code);	×
243	}
244
245	static int32_t mndSetCreateQnodeUndoActions(STrans pTrans, SDnodeObj pDnode, SQnodeObj *pObj) {	×
246	int32_t code = 0;	×
247	SDDropQnodeReq dropReq = {0};	×
248	dropReq.dnodeId = pDnode->id;	×
249
250	int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);	×
251	void *pReq = taosMemoryMalloc(contLen);	×
252	if (pReq == NULL) {	×
253	code = terrno;	×
254	TAOS_RETURN(code);	×
255	}
256	code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);	×
257	if (code < 0) {	×
258	mError("qnode:%d, failed to serialize create drop qnode request since %s", dropReq.dnodeId, terrstr());	×
259	}
260
261	STransAction action = {0};	×
262	action.epSet = mndGetDnodeEpset(pDnode);	×
263	action.pCont = pReq;	×
264	action.contLen = contLen;	×
265	action.msgType = TDMT_DND_DROP_QNODE;	×
266	action.acceptableCode = TSDB_CODE_QNODE_NOT_DEPLOYED;	×
267
268	if ((code = mndTransAppendUndoAction(pTrans, &action)) != 0) {	×
269	taosMemoryFree(pReq);	×
270	TAOS_RETURN(code);	×
271	}
272
273	TAOS_RETURN(code);	×
274	}
275
276	static int32_t mndCreateQnode(SMnode pMnode, SRpcMsg pReq, SDnodeObj pDnode, SMCreateQnodeReq pCreate) {	×
277	int32_t code = -1;	×
278
279	SQnodeObj qnodeObj = {0};	×
280	qnodeObj.id = pDnode->id;	×
281	qnodeObj.createdTime = taosGetTimestampMs();	×
282	qnodeObj.updateTime = qnodeObj.createdTime;	×
283
284	STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_NOTHING, pReq, "create-qnode");	×
285	if (pTrans == NULL) {	×
286	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
287	if (terrno != 0) code = terrno;	×
288	goto _OVER;	×
289	}
290	mndTransSetSerial(pTrans);	×
291
292	mInfo("trans:%d, used to create qnode:%d", pTrans->id, pCreate->dnodeId);	×
293	TAOS_CHECK_GOTO(mndSetCreateQnodeRedoLogs(pTrans, &qnodeObj), NULL, _OVER);	×
294	TAOS_CHECK_GOTO(mndSetCreateQnodeUndoLogs(pTrans, &qnodeObj), NULL, _OVER);	×
295	TAOS_CHECK_GOTO(mndSetCreateQnodeCommitLogs(pTrans, &qnodeObj), NULL, _OVER);	×
296	TAOS_CHECK_GOTO(mndSetCreateQnodeRedoActions(pTrans, pDnode, &qnodeObj), NULL, _OVER);	×
297	TAOS_CHECK_GOTO(mndSetCreateQnodeUndoActions(pTrans, pDnode, &qnodeObj), NULL, _OVER);	×
298	TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);	×
299
300	code = 0;	×
301
302	_OVER:	×
303	mndTransDrop(pTrans);	×
304	TAOS_RETURN(code);	×
305	}
306
307	static int32_t mndProcessCreateQnodeReq(SRpcMsg *pReq) {	×
308	SMnode *pMnode = pReq->info.node;	×
309	int32_t code = -1;	×
310	SQnodeObj *pObj = NULL;	×
311	SDnodeObj *pDnode = NULL;	×
312	SMCreateQnodeReq createReq = {0};	×
313
314	TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &createReq), NULL, _OVER);	×
315
316	mInfo("qnode:%d, start to create", createReq.dnodeId);	×
317	TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_QNODE), NULL, _OVER);	×
318
319	pObj = mndAcquireQnode(pMnode, createReq.dnodeId);	×
320	if (pObj != NULL) {	×
321	code = TSDB_CODE_MND_QNODE_ALREADY_EXIST;	×
322	goto _OVER;	×
323	} else if (terrno != TSDB_CODE_MND_QNODE_NOT_EXIST) {	×
324	goto _OVER;	×
325	}
326
327	pDnode = mndAcquireDnode(pMnode, createReq.dnodeId);	×
328	if (pDnode == NULL) {	×
329	code = TSDB_CODE_MND_DNODE_NOT_EXIST;	×
330	goto _OVER;	×
331	}
332
333	code = mndCreateQnode(pMnode, pReq, pDnode, &createReq);	×
334	if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;	×
335
336	char obj[33] = {0};	×
337	(void)tsnprintf(obj, sizeof(obj), "%d", createReq.dnodeId);	×
338
339	auditRecord(pReq, pMnode->clusterId, "createQnode", "", obj, createReq.sql, createReq.sqlLen);	×
340	_OVER:	×
341	if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {	×
342	mError("qnode:%d, failed to create since %s", createReq.dnodeId, terrstr());	×
343	}
344
345	mndReleaseQnode(pMnode, pObj);	×
346	mndReleaseDnode(pMnode, pDnode);	×
347	tFreeSMCreateQnodeReq(&createReq);	×
348	TAOS_RETURN(code);	×
349	}
350
351	static int32_t mndSetDropQnodeRedoLogs(STrans pTrans, SQnodeObj pObj) {	×
352	int32_t code = 0;	×
353	SSdbRaw *pRedoRaw = mndQnodeActionEncode(pObj);	×
354	if (pRedoRaw == NULL) {	×
355	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
356	if (terrno != 0) code = terrno;	×
357	TAOS_RETURN(code);	×
358	}
359	TAOS_CHECK_RETURN(mndTransAppendGroupRedolog(pTrans, pRedoRaw, -1));	×
360	TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING));	×
361	TAOS_RETURN(code);	×
362	}
363
364	static int32_t mndSetDropQnodeCommitLogs(STrans pTrans, SQnodeObj pObj) {	×
365	int32_t code = 0;	×
366	SSdbRaw *pCommitRaw = mndQnodeActionEncode(pObj);	×
367	if (pCommitRaw == NULL) {	×
368	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
369	if (terrno != 0) code = terrno;	×
370	TAOS_RETURN(code);	×
371	}
372	if (mndTransAppendCommitlog(pTrans, pCommitRaw))	×
373	;
374	if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED))	×
375	;
376	TAOS_RETURN(code);	×
377	}
378
379	static int32_t mndSetDropQnodeRedoActions(STrans pTrans, SDnodeObj pDnode, SQnodeObj *pObj) {	×
380	int32_t code = 0;	×
381	SDDropQnodeReq dropReq = {0};	×
382	dropReq.dnodeId = pDnode->id;	×
383
384	int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);	×
385	void *pReq = taosMemoryMalloc(contLen);	×
386	if (pReq == NULL) {	×
387	code = terrno;	×
388	TAOS_RETURN(code);	×
389	}
390	code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);	×
391	if (code < 0) {	×
392	mError("qnode:%d, failed to serialize create drop qnode request since %s", dropReq.dnodeId, terrstr());	×
393	}
394
395	STransAction action = {0};	×
396	action.epSet = mndGetDnodeEpset(pDnode);	×
397	action.pCont = pReq;	×
398	action.contLen = contLen;	×
399	action.msgType = TDMT_DND_DROP_QNODE;	×
400	action.acceptableCode = TSDB_CODE_QNODE_NOT_DEPLOYED;	×
401	action.groupId = -1;	×
402
403	if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {	×
404	taosMemoryFree(pReq);	×
405	TAOS_RETURN(code);	×
406	}
407
408	TAOS_RETURN(code);	×
409	}
410
411	int32_t mndSetDropQnodeInfoToTrans(SMnode pMnode, STrans pTrans, SQnodeObj *pObj, bool force) {	×
412	if (pObj == NULL) return 0;	×
413	TAOS_CHECK_RETURN(mndSetDropQnodeRedoLogs(pTrans, pObj));	×
414	TAOS_CHECK_RETURN(mndSetDropQnodeCommitLogs(pTrans, pObj));	×
415	if (!force) {	×
416	TAOS_CHECK_RETURN(mndSetDropQnodeRedoActions(pTrans, pObj->pDnode, pObj));	×
417	}
418	return 0;	×
419	}
420
421	static int32_t mndDropQnode(SMnode pMnode, SRpcMsg pReq, SQnodeObj *pObj) {	×
422	int32_t code = -1;	×
423
424	STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_NOTHING, pReq, "drop-qnode");	×
425	if (pTrans == NULL) {	×
426	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
427	if (terrno != 0) code = terrno;	×
428	goto _OVER;	×
429	}
430	mndTransSetSerial(pTrans);	×
431
432	mInfo("trans:%d, used to drop qnode:%d", pTrans->id, pObj->id);	×
433	TAOS_CHECK_GOTO(mndSetDropQnodeInfoToTrans(pMnode, pTrans, pObj, false), NULL, _OVER);	×
434	TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);	×
435
436	code = 0;	×
437
438	_OVER:	×
439	mndTransDrop(pTrans);	×
440	TAOS_RETURN(code);	×
441	}
442
443	static int32_t mndProcessDropQnodeReq(SRpcMsg *pReq) {	×
444	SMnode *pMnode = pReq->info.node;	×
445	int32_t code = -1;	×
446	SQnodeObj *pObj = NULL;	×
447	SMDropQnodeReq dropReq = {0};	×
448
449	TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &dropReq), NULL, _OVER);	×
450
451	mInfo("qnode:%d, start to drop", dropReq.dnodeId);	×
452	TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_QNODE), NULL, _OVER);	×
453
454	if (dropReq.dnodeId <= 0) {	×
455	code = TSDB_CODE_INVALID_MSG;	×
456	goto _OVER;	×
457	}
458
459	pObj = mndAcquireQnode(pMnode, dropReq.dnodeId);	×
460	if (pObj == NULL) {	×
461	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
462	if (terrno != 0) code = terrno;	×
463	goto _OVER;	×
464	}
465
466	code = mndDropQnode(pMnode, pReq, pObj);	×
467	if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;	×
468
469	char obj[33] = {0};	×
470	(void)tsnprintf(obj, sizeof(obj), "%d", dropReq.dnodeId);	×
471
472	auditRecord(pReq, pMnode->clusterId, "dropQnode", "", obj, dropReq.sql, dropReq.sqlLen);	×
473
474	_OVER:	×
475	if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {	×
476	mError("qnode:%d, failed to drop since %s", dropReq.dnodeId, terrstr());	×
477	}
478
479	mndReleaseQnode(pMnode, pObj);	×
480	tFreeSDDropQnodeReq(&dropReq);	×
481	TAOS_RETURN(code);	×
482	}
483
484	int32_t mndCreateQnodeList(SMnode pMnode, SArray *pList, int32_t limit) {	124✔
485	int32_t code = 0;	124✔
486	SSdb *pSdb = pMnode->pSdb;	124✔
487	void *pIter = NULL;	124✔
488	SQnodeObj *pObj = NULL;	124✔
489	int32_t numOfRows = 0;	124✔
490
491	SArray *qnodeList = taosArrayInit(5, sizeof(SQueryNodeLoad));	124✔
492	if (NULL == qnodeList) {	124!
493	mError("failed to alloc epSet while process qnode list req");	×
494	code = terrno;	×
495	TAOS_RETURN(code);	×
496	}
497
498	while (1) {	×
499	pIter = sdbFetch(pSdb, SDB_QNODE, pIter, (void **)&pObj);	124✔
500	if (pIter == NULL) break;	124!
501
502	SQueryNodeLoad nodeLoad = {0};	×
503	nodeLoad.addr.nodeId = QNODE_HANDLE;	×
504	nodeLoad.addr.epSet.numOfEps = 1;	×
505	tstrncpy(nodeLoad.addr.epSet.eps[0].fqdn, pObj->pDnode->fqdn, TSDB_FQDN_LEN);	×
506	nodeLoad.addr.epSet.eps[0].port = pObj->pDnode->port;	×
507	nodeLoad.load = QNODE_LOAD_VALUE(pObj);	×
508
509	if (taosArrayPush(qnodeList, &nodeLoad) == NULL) {	×
510	sdbRelease(pSdb, pObj);	×
511	sdbCancelFetch(pSdb, pIter);	×
512	if (terrno != 0) code = terrno;	×
513	return code;	×
514	}
515
516	numOfRows++;	×
517	sdbRelease(pSdb, pObj);	×
518
519	if (limit > 0 && numOfRows >= limit) {	×
520	sdbCancelFetch(pSdb, pIter);	×
521	break;	×
522	}
523	}
524
525	*pList = qnodeList;	124✔
526
527	return TSDB_CODE_SUCCESS;	124✔
528	}
529
530	static int32_t mndProcessQnodeListReq(SRpcMsg *pReq) {	×
531	int32_t code = -1;	×
532	SMnode *pMnode = pReq->info.node;	×
533	SQnodeListReq qlistReq = {0};	×
534	SQnodeListRsp qlistRsp = {0};	×
535
536	TAOS_CHECK_GOTO(tDeserializeSQnodeListReq(pReq->pCont, pReq->contLen, &qlistReq), NULL, _OVER);	×
537
538	TAOS_CHECK_GOTO(mndCreateQnodeList(pMnode, &qlistRsp.qnodeList, qlistReq.rowNum), NULL, _OVER);	×
539
540	int32_t rspLen = tSerializeSQnodeListRsp(NULL, 0, &qlistRsp);	×
541	void *pRsp = rpcMallocCont(rspLen);	×
542	if (pRsp == NULL) {	×
543	code = terrno;	×
544	goto _OVER;	×
545	}
546
547	code = tSerializeSQnodeListRsp(pRsp, rspLen, &qlistRsp);	×
548	if (code < 0) {	×
549	mError("failed to serialize qnode list response since %s", terrstr());	×
550	}
551
552	pReq->info.rspLen = rspLen;	×
553	pReq->info.rsp = pRsp;	×
554	code = 0;	×
555
556	_OVER:	×
557	tFreeSQnodeListRsp(&qlistRsp);	×
558	TAOS_RETURN(code);	×
559	}
560
561	static int32_t mndRetrieveQnodes(SRpcMsg pReq, SShowObj pShow, SSDataBlock *pBlock, int32_t rows) {	×
562	SMnode *pMnode = pReq->info.node;	×
563	SSdb *pSdb = pMnode->pSdb;	×
564	int32_t numOfRows = 0;	×
565	int32_t cols = 0;	×
566	SQnodeObj *pObj = NULL;	×
567	char *pWrite;
568
569	while (numOfRows < rows) {	×
570	pShow->pIter = sdbFetch(pSdb, SDB_QNODE, pShow->pIter, (void **)&pObj);	×
571	if (pShow->pIter == NULL) break;	×
572
573	cols = 0;	×
574	SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);	×
575	TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->id, false), pSdb, pObj);	×
576
577	char ep[TSDB_EP_LEN + VARSTR_HEADER_SIZE] = {0};	×
578	STR_WITH_MAXSIZE_TO_VARSTR(ep, pObj->pDnode->ep, pShow->pMeta->pSchemas[cols].bytes);	×
579	pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);	×
580	TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)ep, false), pSdb, pObj);	×
581
582	pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);	×
583	TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->createdTime, false), pSdb,	×
584	pObj);
585
586	numOfRows++;	×
587	sdbRelease(pSdb, pObj);	×
588	}
589
590	pShow->numOfRows += numOfRows;	×
591
592	return numOfRows;	×
593	}
594
595	static void mndCancelGetNextQnode(SMnode pMnode, void pIter) {	×
596	SSdb *pSdb = pMnode->pSdb;	×
597	sdbCancelFetchByType(pSdb, pIter, SDB_QNODE);	×
598	}	×

taosdata / TDengine / #4513

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