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taosdata / TDengine / #4944

30 Jan 2026 06:19AM UTC coverage: 66.849% (+0.1%) from 66.718%
#4944

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merge: from main to 3.0 #34453

1124 of 2018 new or added lines in 72 files covered. (55.7%)

13677 existing lines in 155 files now uncovered.

205211 of 306978 relevant lines covered (66.85%)

125657591.7 hits per line

Source File
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82.14
/source/dnode/mgmt/mgmt_mnode/src/mmInt.c
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/*
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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 "mmInt.h"
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#include "wal.h"
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static bool mmDeployRequired(const SMgmtInputOpt *pInput) {
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  if (pInput->pData->dnodeId > 0) return false;
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  if (pInput->pData->clusterId > 0) return false;
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  if (strcmp(tsLocalEp, tsFirst) != 0) return false;
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  return true;
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}
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static int32_t mmRequire(const SMgmtInputOpt *pInput, bool *required) {
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  int32_t   code = 0;
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  SMnodeOpt option = {0};
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  if ((code = mmReadFile(pInput->path, &option)) != 0) {
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    return code;
×
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  }
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  if (!option.deploy) {
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    *required = mmDeployRequired(pInput);
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    if (*required) {
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      dInfo("deploy mnode required. dnodeId:%d<=0, clusterId:0x%" PRIx64 "<=0, localEp:%s==firstEp",
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            pInput->pData->dnodeId, pInput->pData->clusterId, tsLocalEp);
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    }
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  } else {
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    *required = true;
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    dInfo("deploy mnode required. option deploy:%d", option.deploy);
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  }
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  return code;
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}
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static void mmBuildOptionForDeploy(SMnodeMgmt *pMgmt, const SMgmtInputOpt *pInput, SMnodeOpt *pOption) {
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  pOption->deploy = true;
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  pOption->msgCb = pMgmt->msgCb;
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  pOption->dnodeId = pMgmt->pData->dnodeId;
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  pOption->selfIndex = 0;
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  pOption->numOfReplicas = 1;
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  pOption->numOfTotalReplicas = 1;
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  pOption->replicas[0].id = 1;
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  pOption->replicas[0].port = tsServerPort;
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  tstrncpy(pOption->replicas[0].fqdn, tsLocalFqdn, TSDB_FQDN_LEN);
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  pOption->lastIndex = SYNC_INDEX_INVALID;
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}
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static void mmBuildOptionForOpen(SMnodeMgmt *pMgmt, SMnodeOpt *pOption) {
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  pOption->deploy = false;
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  pOption->msgCb = pMgmt->msgCb;
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  pOption->dnodeId = pMgmt->pData->dnodeId;
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}
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static void mmClose(SMnodeMgmt *pMgmt) {
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  if (pMgmt->pMnode != NULL) {
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    mmStopWorker(pMgmt);
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    mndClose(pMgmt->pMnode);
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    (void)taosThreadRwlockDestroy(&pMgmt->lock);
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    pMgmt->pMnode = NULL;
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  }
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  taosMemoryFree(pMgmt);
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}
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static int32_t mndOpenWrapper(const char *path, SMnodeOpt *opt, SMnode **pMnode) {
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  int32_t code = 0;
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  *pMnode = mndOpen(path, opt);
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  if (*pMnode == NULL) {
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    code = terrno;
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  }
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  ///*pMnode = pNode;
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  return code;
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}
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static int32_t mmOpen(SMgmtInputOpt *pInput, SMgmtOutputOpt *pOutput) {
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  int32_t code = 0;
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  if ((code = walInit(pInput->stopDnodeFp)) != 0) {
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    dError("failed to init wal since %s", tstrerror(code));
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    return code;
×
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  }
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  if ((code = syncInit()) != 0) {
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    dError("failed to init sync since %s", tstrerror(code));
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    return code;
×
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  }
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  SMnodeMgmt *pMgmt = taosMemoryCalloc(1, sizeof(SMnodeMgmt));
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  if (pMgmt == NULL) {
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    code = terrno;
×
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    return code;
×
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  }
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  pMgmt->pData = pInput->pData;
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  pMgmt->path = pInput->path;
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  pMgmt->name = pInput->name;
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  pMgmt->msgCb = pInput->msgCb;
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  pMgmt->msgCb.putToQueueFp = (PutToQueueFp)mmPutMsgToQueue;
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  pMgmt->msgCb.mgmt = pMgmt;
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  (void)taosThreadRwlockInit(&pMgmt->lock, NULL);
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  SMnodeOpt option = {0};
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  if ((code = mmReadFile(pMgmt->path, &option)) != 0) {
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    dError("failed to read file since %s", tstrerror(code));
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    mmClose(pMgmt);
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    return code;
×
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  }
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  if (!option.deploy) {
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    dInfo("mnode start to deploy");
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    pMgmt->pData->dnodeId = 1;
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    mmBuildOptionForDeploy(pMgmt, pInput, &option);
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  } else {
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    dInfo("mnode start to open");
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    mmBuildOptionForOpen(pMgmt, &option);
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  }
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  dInfo("mnode open with options: deploy:%d, dnodeId:%d, selfIndex:%d, numOfReplicas:%d, numOfTotalReplicas:%d",
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        option.deploy, option.dnodeId, option.selfIndex, option.numOfReplicas, option.numOfTotalReplicas);
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  code = mndOpenWrapper(pMgmt->path, &option, &pMgmt->pMnode);
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  if (code != 0) {
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    dError("failed to open mnode since %s", tstrerror(code));
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    mmClose(pMgmt);
×
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    return code;
×
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  }
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  tmsgReportStartup("mnode-impl", "initialized");
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  if ((code = mmStartWorker(pMgmt)) != 0) {
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    dError("failed to start mnode worker since %s", tstrerror(code));
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    mmClose(pMgmt);
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    return code;
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  }
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  tmsgReportStartup("mnode-worker", "initialized");
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  if (option.numOfTotalReplicas > 0) {
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    option.deploy = true;
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    option.numOfReplicas = 0;
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    option.numOfTotalReplicas = 0;
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    if ((code = mmWriteFile(pMgmt->path, &option)) != 0) {
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      dError("failed to write mnode file since %s", tstrerror(code));
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      return code;
×
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    }
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  }
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  pInput->pData->dnodeId = pMgmt->pData->dnodeId;
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  pOutput->pMgmt = pMgmt;
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  return 0;
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}
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static int32_t mmStart(SMnodeMgmt *pMgmt) {
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  int32_t code = 0;
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  dDebug("mnode-mgmt start to run");
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  SMnodeOpt option = {0};
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  if ((code = mmReadFile(pMgmt->path, &option)) != 0) {
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    dError("failed to read file since %s", tstrerror(code));
×
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    mmClose(pMgmt);
×
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    return code;
×
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  }
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  if ((code = mndStart(pMgmt->pMnode)) != 0) {
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    return code;
×
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  }
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  if (mndNeedUpgrade(pMgmt->pMnode, option.version)) {
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    option.version = mndGetVersion(pMgmt->pMnode);
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    option.encrypted = mndGetEncryptedFlag(pMgmt->pMnode);
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    if ((code = mmWriteFile(pMgmt->path, &option)) != 0) {
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UNCOV
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      dError("failed to write mnode file since %s", tstrerror(code));
×
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      return code;
×
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  }
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  }
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  return code;
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}
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static void mmStop(SMnodeMgmt *pMgmt) {
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  dDebug("mnode-mgmt start to stop");
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  mndPreClose(pMgmt->pMnode);
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  (void)taosThreadRwlockWrlock(&pMgmt->lock);
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  pMgmt->stopped = 1;
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  (void)taosThreadRwlockUnlock(&pMgmt->lock);
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  mndStop(pMgmt->pMnode);
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}
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static int32_t mmSyncIsCatchUp(SMnodeMgmt *pMgmt) { return mndIsCatchUp(pMgmt->pMnode); }
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static ESyncRole mmSyncGetRole(SMnodeMgmt *pMgmt) { return mndGetRole(pMgmt->pMnode); }
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SMgmtFunc mmGetMgmtFunc() {
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  SMgmtFunc mgmtFunc = {0};
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  mgmtFunc.openFp = mmOpen;
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  mgmtFunc.closeFp = (NodeCloseFp)mmClose;
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  mgmtFunc.startFp = (NodeStartFp)mmStart;
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  mgmtFunc.stopFp = (NodeStopFp)mmStop;
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  mgmtFunc.createFp = (NodeCreateFp)mmProcessCreateReq;
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  mgmtFunc.dropFp = (NodeDropFp)mmProcessDropReq;
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  mgmtFunc.requiredFp = mmRequire;
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  mgmtFunc.getHandlesFp = mmGetMsgHandles;
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  mgmtFunc.isCatchUpFp = (NodeIsCatchUpFp)mmSyncIsCatchUp;
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  mgmtFunc.nodeRoleFp = (NodeRole)mmSyncGetRole;
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  return mgmtFunc;
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}
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