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taosdata / TDengine / #4761

28 Sep 2025 10:49AM UTC coverage: 57.837% (-1.0%) from 58.866%
#4761

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merge: set version (#33122)

136913 of 302095 branches covered (45.32%)

Branch coverage included in aggregate %.

207750 of 293830 relevant lines covered (70.7%)

5673932.16 hits per line

Source File
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66.12
/source/libs/sync/src/syncTimeout.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 "syncTimeout.h"
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#include "syncElection.h"
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#include "syncRaftCfg.h"
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#include "syncRaftLog.h"
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#include "syncReplication.h"
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#include "syncRespMgr.h"
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#include "syncSnapshot.h"
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#include "syncUtil.h"
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static void syncNodeCleanConfigIndex(SSyncNode* ths) {
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#if 0
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  int32_t   newArrIndex = 0;
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  SyncIndex newConfigIndexArr[MAX_CONFIG_INDEX_COUNT] = {0};
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  SSnapshot snapshot = {0};
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  ths->pFsm->FpGetSnapshotInfo(ths->pFsm, &snapshot);
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  if (snapshot.lastApplyIndex != SYNC_INDEX_INVALID) {
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    for (int32_t i = 0; i < ths->raftCfg.configIndexCount; ++i) {
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      if (ths->raftCfg.configIndexArr[i] < snapshot.lastConfigIndex) {
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        // pass
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      } else {
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        // save
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        newConfigIndexArr[newArrIndex] = ths->raftCfg.configIndexArr[i];
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        ++newArrIndex;
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      }
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    }
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    int32_t oldCnt = ths->raftCfg.configIndexCount;
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    ths->raftCfg.configIndexCount = newArrIndex;
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    memcpy(ths->raftCfg.configIndexArr, newConfigIndexArr, sizeof(newConfigIndexArr));
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    int32_t code = syncWriteCfgFile(ths);
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    if (code != 0) {
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      sNFatal(ths, "failed to persist cfg");
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    } else {
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      sNTrace(ths, "clean config index arr, old-cnt:%d, new-cnt:%d", oldCnt, ths->raftCfg.configIndexCount);
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    }
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  }
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#endif
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}
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static int32_t syncNodeTimerRoutine(SSyncNode* ths) {
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  ths->tmrRoutineNum++;
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  sDebug("vgId:%d, timer routine, status report", ths->vgId);
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  if (ths->tmrRoutineNum % (tsRoutineReportInterval / (ths->pingTimerMS / 1000)) == 0) {
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    sNInfo(ths, "timer routines");
26!
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  } else {
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    sNTrace(ths, "timer routines");
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  }
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  // timer replicate
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  sDebug("vgId:%d, timer routine, node replicate", ths->vgId);
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  int32_t ret = 0;
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  if((ret = syncNodeReplicate(ths)) != 0){
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    sWarn("vgId:%d, failed to replicate node since %s", ths->vgId, tstrerror(ret));
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  }
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  // clean mnode index
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  sDebug("vgId:%d, timer routine, clean config index", ths->vgId);
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  if (syncNodeIsMnode(ths)) {
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    syncNodeCleanConfigIndex(ths);
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  }
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  sDebug("vgId:%d, timer routine, snapshot resend", ths->vgId);
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  int64_t timeNow = taosGetTimestampMs();
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  for (int i = 0; i < ths->peersNum; ++i) {
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    SSyncSnapshotSender* pSender = syncNodeGetSnapshotSender(ths, &(ths->peersId[i]));
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    if (pSender != NULL) {
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      if (ths->isStart && (ths->state == TAOS_SYNC_STATE_LEADER || ths->state == TAOS_SYNC_STATE_ASSIGNED_LEADER) &&
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          pSender->start) {
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        int64_t elapsedMs = timeNow - pSender->lastSendTime;
×
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        if (elapsedMs < SYNC_SNAP_RESEND_MS) {
×
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          continue;
×
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        }
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        if (elapsedMs > SYNC_SNAP_TIMEOUT_MS) {
×
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          sSError(pSender, "snap replication timeout, terminate.");
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          snapshotSenderStop(pSender, false);
×
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        } else {
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          sSWarn(pSender, "snap replication resend.");
×
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          if((ret = snapshotReSend(pSender)) != 0){
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            sWarn("vgId:%d, failed to snapshot resend in timer routine since %s", ths->vgId, tstrerror(ret));
×
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          }
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        }
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      }
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    }
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  }
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  sDebug("vgId:%d, timer routine, resp clean", ths->vgId);
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  if (!syncNodeIsMnode(ths)) {
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    syncRespClean(ths->pSyncRespMgr);
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  }
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  return 0;
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}
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int32_t syncNodeOnTimeout(SSyncNode* ths, const SRpcMsg* pRpc) {
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  int32_t      ret = 0;
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  SyncTimeout* pMsg = pRpc->pCont;
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  syncLogRecvTimer(ths, pMsg, &pRpc->info.traceId);
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  if (pMsg->timeoutType == SYNC_TIMEOUT_PING) {
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    if (atomic_load_64(&ths->pingTimerLogicClockUser) <= pMsg->logicClock) {
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      ++(ths->pingTimerCounter);
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      TAOS_CHECK_RETURN(syncNodeTimerRoutine(ths));
68,455!
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    }
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  } else if (pMsg->timeoutType == SYNC_TIMEOUT_ELECTION) {
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    if (atomic_load_64(&ths->electTimerLogicClock) <= pMsg->logicClock) {
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      ++(ths->electTimerCounter);
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      TAOS_CHECK_RETURN(syncNodeElect(ths));
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    }
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  } else if (pMsg->timeoutType == SYNC_TIMEOUT_HEARTBEAT) {
×
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    if (atomic_load_64(&ths->heartbeatTimerLogicClockUser) <= pMsg->logicClock) {
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      ++(ths->heartbeatTimerCounter);
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      sTrace("vgId:%d, sync timer, type:replicate count:%" PRIu64 ", lc-user:%" PRIu64, ths->vgId,
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             ths->heartbeatTimerCounter, ths->heartbeatTimerLogicClockUser);
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    }
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  } else {
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    sError("vgId:%d, recv unknown timer-type:%d", ths->vgId, pMsg->timeoutType);
×
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  }
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  return ret;
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}
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