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taosdata / TDengine / #4937

23 Jan 2026 09:40AM UTC coverage: 66.794% (+0.05%) from 66.746%
#4937

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fix: case failuer caused by the modification of the error description (#34391)

204171 of 305671 relevant lines covered (66.79%)

127025939.33 hits per line

Source File
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80.73
/source/dnode/mgmt/node_mgmt/src/dmNodes.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 "dmMgmt.h"
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#include "dmUtil.h"
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#include "monitor.h"
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#include "audit.h"
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int32_t dmOpenNode(SMgmtWrapper *pWrapper) {
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  int32_t code = 0;
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  SDnode *pDnode = pWrapper->pDnode;
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  if (taosMkDir(pWrapper->path) != 0) {
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    code = terrno;
×
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    dError("node:%s, failed to create dir:%s since %s", pWrapper->name, pWrapper->path, tstrerror(code));
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    return code;
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  }
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  SMgmtOutputOpt output = {0};
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  SMgmtInputOpt  input = dmBuildMgmtInputOpt(pWrapper);
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  dInfo("node:%s, start to open", pWrapper->name);
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  tmsgSetDefault(&input.msgCb);
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  if ((code = (*pWrapper->func.openFp)(&input, &output)) != 0) {
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    dError("node:%s, failed to open since %s", pWrapper->name, tstrerror(code));
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    return code;
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  }
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  dInfo("node:%s, has been opened", pWrapper->name);
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  pWrapper->deployed = true;
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  if (output.pMgmt != NULL) {
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    pWrapper->pMgmt = output.pMgmt;
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  }
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  dmReportStartup(pWrapper->name, "opened");
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  return 0;
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}
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int32_t dmStartNode(SMgmtWrapper *pWrapper) {
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  int32_t code = 0;
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  if (pWrapper->func.startFp != NULL) {
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    dDebug("node:%s, start to start", pWrapper->name);
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    if ((code = (*pWrapper->func.startFp)(pWrapper->pMgmt)) != 0) {
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      dError("node:%s, failed to start since %s", pWrapper->name, tstrerror(code));
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      return code;
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    }
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    dDebug("node:%s, has been started", pWrapper->name);
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  }
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  dmReportStartup(pWrapper->name, "started");
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  return 0;
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}
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void dmStopNode(SMgmtWrapper *pWrapper) {
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  if (pWrapper->func.stopFp != NULL && pWrapper->pMgmt != NULL) {
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    dDebug("node:%s, start to stop", pWrapper->name);
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    (*pWrapper->func.stopFp)(pWrapper->pMgmt);
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    dDebug("node:%s, has been stopped", pWrapper->name);
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  }
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}
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void dmCloseNode(SMgmtWrapper *pWrapper) {
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  dInfo("node:%s, start to close", pWrapper->name);
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  pWrapper->deployed = false;
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  while (pWrapper->refCount > 0) {
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    taosMsleep(10);
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  }
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  (void)taosThreadRwlockWrlock(&pWrapper->lock);
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  if (pWrapper->pMgmt != NULL) {
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    (*pWrapper->func.closeFp)(pWrapper->pMgmt);
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    pWrapper->pMgmt = NULL;
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  }
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  (void)taosThreadRwlockUnlock(&pWrapper->lock);
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  dInfo("node:%s, has been closed", pWrapper->name);
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}
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static int32_t dmOpenNodes(SDnode *pDnode) {
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  int32_t code = 0;
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  for (EDndNodeType ntype = DNODE; ntype < NODE_END; ++ntype) {
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    SMgmtWrapper *pWrapper = &pDnode->wrappers[ntype];
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    if (!pWrapper->required) continue;
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    if ((code = dmOpenNode(pWrapper)) != 0) {
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      dError("node:%s, failed to open since %s", pWrapper->name, tstrerror(code));
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      return code;
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    }
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  }
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  auditSetDnodeId(dmGetDnodeId(&pDnode->data));
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  monSetDnodeId(dmGetDnodeId(&pDnode->data));
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  dmSetStatus(pDnode, DND_STAT_RUNNING);
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  return 0;
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}
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static int32_t dmStartNodes(SDnode *pDnode) {
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  int32_t code = 0;
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  for (EDndNodeType ntype = DNODE; ntype < NODE_END; ++ntype) {
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    SMgmtWrapper *pWrapper = &pDnode->wrappers[ntype];
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    if (!pWrapper->required) continue;
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    if ((code = dmStartNode(pWrapper)) != 0) {
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      dError("node:%s, failed to start since %s", pWrapper->name, tstrerror(code));
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      return code;
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    }
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  }
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  dInfo("The daemon initialized successfully");
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  dmReportStartup("The daemon", "initialized successfully");
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  return 0;
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}
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static void dmStopNodes(SDnode *pDnode) {
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  for (EDndNodeType n = DNODE; n < NODE_END; ++n) {
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    SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
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    dmStopNode(pWrapper);
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  }
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}
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static void dmCloseNodes(SDnode *pDnode) {
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  for (EDndNodeType n = DNODE; n < NODE_END; ++n) {
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    SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
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    dmCloseNode(pWrapper);
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  }
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}
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int32_t dmRunDnode(SDnode *pDnode) {
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  int32_t code = 0;
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  int32_t count = 0;
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  tsDndStartOsUptime = taosGetOsUptime();
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  if ((code = dmOpenNodes(pDnode)) != 0) {
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    dError("failed to open nodes since %s", tstrerror(code));
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    dmCloseNodes(pDnode);
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    return code;
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  }
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  if ((code = dmStartNodes(pDnode)) != 0) {
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    dError("failed to start nodes since %s", tstrerror(code));
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    dmSetStatus(pDnode, DND_STAT_STOPPED);
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    dmStopNodes(pDnode);
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    dmCloseNodes(pDnode);
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    return code;
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  }
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  tsDndStart = taosGetTimestampMs();  // also used to wait for dnode to start
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  if (tsDndStart == 0) ++tsDndStart;  // avoid 0
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  while (1) {
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    if (pDnode->stop) {
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      dInfo("The daemon is about to stop");
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      dmSetStatus(pDnode, DND_STAT_STOPPED);
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      dmStopNodes(pDnode);
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      dmCloseNodes(pDnode);
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      return 0;
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    }
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    if (count == 10) {
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      if(osUpdate() != 0) {
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        dError("failed to update os info");
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      }
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      count = 0;
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    } else {
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      count++;
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    }
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    taosMsleep(100);
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  }
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}
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